On Mon, Feb 13, 2017 at 1:48 PM, Edward Shishkin <edward.shishkin@xxxxxxxxx> wrote: > Great. > So, carry_on_level() returned ENOMEM, leaving things in inconsistent state. > And for some reasons it happened silently. Would increasing /proc/sys/vm/min_free_kbytes help in OOM situation? > Please, check you partition once in a while (weekly or monthly), if > possible. > OFC Thanks > Thanks, > Edward. > > > On 02/13/2017 07:47 AM, Dušan Čolić wrote: >> >> I used this patch on top of reiser4-for-4.9.patch and I have not been >> able to reproduce corruption on OOM that I had before. >> >> I tested with writing to multiple disks and partitions while >> deactivating swap and filling the RAM. >> >> I had loads of errors in logs (none R4 related) but no errors when I >> fsck-ed R4 partitions. >> >> Thanks >> >> Dushan >> >> On Tue, Jan 31, 2017 at 1:14 PM, Edward Shishkin >> <edward.shishkin@xxxxxxxxx> wrote: >>> >>> Hi Dushan, >>> >>> Could you please apply this patch and try to reproduce >>> the corruption with swap turned off? >>> >>> Thanks, >>> Edward. >>> >>> >>> On 01/11/2017 12:48 PM, Dušan Čolić wrote: >>>> >>>> On Wed, Jan 11, 2017 at 11:37 AM, Edward Shishkin >>>> <edward.shishkin@xxxxxxxxx> wrote: >>>>> >>>>> So what about data corruption? >>>>> Did you encounter it after enabling swap? >>>>> >>>> Nо. >>>> >>>> I just fsck-ed my R4 partitions to check and had no corruptions even >>>> as I had disk full a couple of times on some of them in last weeks. >>>> >>>> >>>>> Edward. >>>>> >>>>> >>>>> On 01/11/2017 11:30 AM, Dušan Čolić wrote: >>>>>> >>>>>> On Wed, Jan 11, 2017 at 11:10 AM, Edward Shishkin >>>>>> <edward.shishkin@xxxxxxxxx> wrote: >>>>>>> >>>>>>> Could you also try this patch in addition? >>>>>>> >>>>>> This fixed it. >>>>>> >>>>>> >>>>>> Thanks a lot >>>>>> >>>>>> Dushan >>>>>> >>>>>> Jan 11 11:27:42 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:27:42 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:27:56 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:27:56 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:17 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:17 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:22 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:22 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:23 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:23 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:24 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:24 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:24 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:24 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:25 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:25 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:25 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:25 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:26 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:26 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:26 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:26 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:27 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:27 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:28 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:28 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:29 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:29 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:29 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:29 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:30 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:30 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:30 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:30 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:31 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:31 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:32 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:32 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:32 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:32 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:33 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:33 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:33 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:33 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:34 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:34 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:35 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:35 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:35 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:35 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:36 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:36 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:36 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:36 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:37 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:37 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:37 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:37 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:38 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:38 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:39 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:39 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> Jan 11 11:28:39 krshina3 kernel: reiser4: md125: found disk format >>>>>> 4.0.1. >>>>>> Jan 11 11:28:39 krshina3 kernel: reiser4: md125: using Hybrid >>>>>> Transaction >>>>>> Model. >>>>>> >>>>>> >>>>>>> Thanks, >>>>>>> Edward. >>>>>>> >>>>>>> >>>>>>> On 01/08/2017 10:26 PM, Dušan Čolić wrote: >>>>>>>> >>>>>>>> Still doesn't mount but this time no messages in logs except: >>>>>>>> Jan 8 22:20:45 krshina3 kernel: reiser4: md125: found disk format >>>>>>>> 4.0.1. >>>>>>>> >>>>>>>> There is no second message after it that should say: Jan 8 22:20:32 >>>>>>>> krshina3 kernel: reiser4: md125: using Hybrid Transaction Model. >>>>>>>> >>>>>>>> >>>>>>>> krshina3 dusan # mount /mnt/backup >>>>>>>> mount: mount /dev/md125 on /mnt/backup failed: Cannot allocate >>>>>>>> memory >>>>>>>> >>>>>>>> krshina3 dusan # cat /etc/fstab | grep -v "#" >>>>>>>> >>>>>>>> >>>>>>>> /dev/sda1 /boot ext2 noauto,noatime 1 2 >>>>>>>> /dev/md124 none swap sw >>>>>>>> 0 >>>>>>>> 0 >>>>>>>> /dev/sda2 / reiser4 >>>>>>>> txmod=wa,discard,noatime,onerror=remount-ro,dont_load_bitmap 0 0 >>>>>>>> /dev/md125 /mnt/backup reiser4 >>>>>>>> noatime,noauto,onerror=remount-ro,dont_load_bitmap 0 0 >>>>>>>> /dev/md126 /mnt/media reiser4 >>>>>>>> noatime,users,onerror=remount-ro,dont_load_bitmap 0 0 >>>>>>>> /dev/md127 /usr/portage reiser4 >>>>>>>> noatime,onerror=remount-ro,dont_load_bitmap 0 0 >>>>>>>> /dev/dvdrom /mnt/cdrom auto noauto,ro 0 0 >>>>>>>> >>>>>>>> shm /dev/shm tmpfs nodev,nosuid,noexec 0 0 >>>>>>>> >>>>>>>> On Sun, Jan 8, 2017 at 2:09 PM, Edward Shishkin >>>>>>>> <edward.shishkin@xxxxxxxxx> wrote: >>>>>>>>> >>>>>>>>> Try to reproduce it with this patch. Let me know about results. >>>>>>>>> >>>>>>>>> Thanks, >>>>>>>>> Edward. >>>>>>>>> >>>>>>>>> >>>>>>>>> On 01/08/2017 09:25 AM, Dušan Čolić wrote: >>>>>>>>>> >>>>>>>>>> On Sat, Jan 7, 2017 at 11:51 PM, Edward Shishkin >>>>>>>>>> <edward.shishkin@xxxxxxxxx> wrote: >>>>>>>>>>> >>>>>>>>>>> A deep dive to the page allocator is needed to find >>>>>>>>>>> out why the warning (not simply regular ENOMEM). >>>>>>>>>>> >>>>>>>>>>> Edward. >>>>>>>>>>> >>>>>>>>>> This happens without any memory pressure, with 4G of 8G RAM free >>>>>>>>>> and >>>>>>>>>> no swap activity. >>>>>>>>>> I reproduced it on freshly booted system. >>>>>>>>>> >>>>>>>>>> >>>>>>>>>>> On 01/06/2017 05:37 PM, Dušan Čolić wrote: >>>>>>>>>>>> >>>>>>>>>>>> On Sun, Dec 25, 2016 at 4:32 PM, Dušan Čolić <dusanc@xxxxxxxxx> >>>>>>>>>>>> wrote: >>>>>>>>>>>>> >>>>>>>>>>>>> On Sat, Dec 24, 2016 at 9:48 AM, Dušan Čolić <dusanc@xxxxxxxxx> >>>>>>>>>>>>> wrote: >>>>>>>>>>>>>> >>>>>>>>>>>>>> On Sun, Dec 18, 2016 at 2:46 PM, Dušan Čolić >>>>>>>>>>>>>> <dusanc@xxxxxxxxx> >>>>>>>>>>>>>> wrote: >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> That was it, no more BUG on mount. >>>>>>>>>>>>>>> >>>>>>>>>>>>>> I spoke prematurely. >>>>>>>>>>>>>> >>>>>>>>>>>>>> Looks like I had 2 different BUGs on mount: >>>>>>>>>>>>>> 1. BUG when mounting partition with old disk format - that was >>>>>>>>>>>>>> solved >>>>>>>>>>>>>> with 4.8.1 patch >>>>>>>>>>>>>> 2. BUG when mounting dismounted partition - this one is not >>>>>>>>>>>>>> solved >>>>>>>>>>>>>> >>>>>>>>>>>>> When I I get this BUG I do: >>>>>>>>>>>>> echo 1 > /proc/sys/vm/drop_caches >>>>>>>>>>>>> >>>>>>>>>>>>> and everything works OK again. >>>>>>>>>>>>> >>>>>>>>>>>> With echo 1 > /proc/sys/vm/drop_caches added before mount to >>>>>>>>>>>> scripts >>>>>>>>>>>> that I run daily on R4 partitions I had no occurence of this bug >>>>>>>>>>>> and >>>>>>>>>>>> before I had it every day. >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>>>> When partitions are mounted on boot they mount OK, but when >>>>>>>>>>>>>> system >>>>>>>>>>>>>> finishes booting when I try to mount them I get this BUG: >>>>>>>>>>>>>> >>>>>>>>>>>>>> >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: reiser4: md127: found disk >>>>>>>>>>>>>> format >>>>>>>>>>>>>> 4.0.1. >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: mount: page allocation >>>>>>>>>>>>>> failure: >>>>>>>>>>>>>> order:5, mode:0x26040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK) >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: CPU: 0 PID: 3859 Comm: mount >>>>>>>>>>>>>> Not >>>>>>>>>>>>>> tainted 4.8.11-gentoo #5 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: Hardware name: Gigabyte >>>>>>>>>>>>>> Technology >>>>>>>>>>>>>> Co., Ltd. To be filled by O.E.M./B75-D3V, BIOS F5 07/04/2012 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: 0000000000400000 >>>>>>>>>>>>>> ffff88007d0379b0 >>>>>>>>>>>>>> ffffffff814241c5 0000000000000005 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: 0000000000000000 >>>>>>>>>>>>>> ffff88007d037a40 >>>>>>>>>>>>>> ffffffff811ab42a 026040c07d0379f0 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: 0000000000000202 >>>>>>>>>>>>>> 0000000000000004 >>>>>>>>>>>>>> 00000040026040c0 ffff88007d037ad0 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: Call Trace: >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff814241c5>] >>>>>>>>>>>>>> dump_stack+0x4d/0x68 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff811ab42a>] >>>>>>>>>>>>>> warn_alloc_failed+0xba/0x160 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff811aa483>] ? >>>>>>>>>>>>>> get_page_from_freelist+0x143/0xcf0 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff811ab863>] >>>>>>>>>>>>>> __alloc_pages_nodemask+0x2f3/0xd40 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff810ca0d8>] ? >>>>>>>>>>>>>> kmemcheck_pte_lookup+0x28/0x60 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff811fc28d>] >>>>>>>>>>>>>> cache_alloc_refill+0xed/0x6a0 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff811fc189>] >>>>>>>>>>>>>> kmem_cache_alloc+0xf9/0x110 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff812a060f>] >>>>>>>>>>>>>> znodes_tree_init+0x5f/0x210 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff812ac8ee>] >>>>>>>>>>>>>> reiser4_init_tree+0x8e/0x150 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff81304a55>] >>>>>>>>>>>>>> init_format_format40+0x345/0x790 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff81229aa4>] ? >>>>>>>>>>>>>> unlock_new_inode+0x64/0xa0 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff812c4f3a>] >>>>>>>>>>>>>> fill_super+0x14a/0x300 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff81209b6f>] >>>>>>>>>>>>>> mount_bdev+0x1bf/0x200 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff812c4df0>] ? >>>>>>>>>>>>>> reiser4_mount+0x20/0x20 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff812c4de0>] >>>>>>>>>>>>>> reiser4_mount+0x10/0x20 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff81209dfe>] >>>>>>>>>>>>>> mount_fs+0x2e/0xe0 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff81231a96>] >>>>>>>>>>>>>> vfs_kern_mount+0x66/0x190 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff81233af2>] >>>>>>>>>>>>>> do_mount+0x1d2/0x1080 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff812337f1>] ? >>>>>>>>>>>>>> copy_mount_options+0x111/0x220 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff812337da>] ? >>>>>>>>>>>>>> copy_mount_options+0xfa/0x220 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff81234e46>] >>>>>>>>>>>>>> SyS_mount+0x66/0xb0 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: [<ffffffff81a5765b>] >>>>>>>>>>>>>> entry_SYSCALL_64_fastpath+0x13/0x8f >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: Mem-Info: >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: active_anon:453454 >>>>>>>>>>>>>> inactive_anon:113498 isolated_anon:0\x0a active_file:189238 >>>>>>>>>>>>>> inactive_file:800785 isolated_file:0\x0a unevictable:1866 >>>>>>>>>>>>>> dirty:1092 >>>>>>>>>>>>>> writeback:0 unstable:0\x0a slab_reclaimable:55782 >>>>>>>>>>>>>> slab_unreclaimable:60397\x0a mapped:20308 shmem:11803 >>>>>>>>>>>>>> pagetables:2738 >>>>>>>>>>>>>> bounce:0\x0a free:13271 free_pcp:0 free_cma:0 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: Node 0 active_anon:1813816kB >>>>>>>>>>>>>> inactive_anon:453992kB active_file:756952kB >>>>>>>>>>>>>> inactive_file:3203140kB >>>>>>>>>>>>>> unevictable:7464kB isolated(anon):0kB isolated(file):0kB >>>>>>>>>>>>>> mapped:81232kB dirty:4368kB writeback:0kB shmem:47212kB >>>>>>>>>>>>>> writeback_tmp:0kB unstable:0kB pages_scanned:0 >>>>>>>>>>>>>> all_unreclaimable? >>>>>>>>>>>>>> no >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: DMA free:15896kB min:24kB >>>>>>>>>>>>>> low:36kB >>>>>>>>>>>>>> high:48kB active_anon:0kB inactive_anon:0kB active_file:0kB >>>>>>>>>>>>>> inactive_file:0kB unevictable:0kB writepending:0kB >>>>>>>>>>>>>> present:15984kB >>>>>>>>>>>>>> managed:15900kB mlocked:0kB slab_reclaimable:0kB >>>>>>>>>>>>>> slab_unreclaimable:4kB kernel_stack:0kB pagetables:0kB >>>>>>>>>>>>>> bounce:0kB >>>>>>>>>>>>>> free_pcp:0kB local_pcp:0kB free_cma:0kB >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: lowmem_reserve[]: 0 3191 6627 >>>>>>>>>>>>>> 6627 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: DMA32 free:22044kB min:5012kB >>>>>>>>>>>>>> low:8280kB high:11548kB active_anon:810196kB >>>>>>>>>>>>>> inactive_anon:351420kB >>>>>>>>>>>>>> active_file:172284kB inactive_file:1693924kB unevictable:0kB >>>>>>>>>>>>>> writepending:2036kB present:3360704kB managed:3272764kB >>>>>>>>>>>>>> mlocked:0kB >>>>>>>>>>>>>> slab_reclaimable:85100kB slab_unreclaimable:120576kB >>>>>>>>>>>>>> kernel_stack:416kB pagetables:3108kB bounce:0kB free_pcp:0kB >>>>>>>>>>>>>> local_pcp:0kB free_cma:0kB >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: lowmem_reserve[]: 0 0 3435 >>>>>>>>>>>>>> 3435 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: Normal free:15144kB >>>>>>>>>>>>>> min:5392kB >>>>>>>>>>>>>> low:8908kB high:12424kB active_anon:1003620kB >>>>>>>>>>>>>> inactive_anon:102572kB >>>>>>>>>>>>>> active_file:584668kB inactive_file:1509216kB >>>>>>>>>>>>>> unevictable:7464kB >>>>>>>>>>>>>> writepending:2332kB present:4691968kB managed:3517764kB >>>>>>>>>>>>>> mlocked:7464kB >>>>>>>>>>>>>> slab_reclaimable:138028kB slab_unreclaimable:121008kB >>>>>>>>>>>>>> kernel_stack:4608kB pagetables:7844kB bounce:0kB free_pcp:0kB >>>>>>>>>>>>>> local_pcp:0kB free_cma:0kB >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: lowmem_reserve[]: 0 0 0 0 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: DMA: 2*4kB (U) 0*8kB 1*16kB >>>>>>>>>>>>>> (U) >>>>>>>>>>>>>> 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) >>>>>>>>>>>>>> 1*2048kB (M) 3*4096kB (M) = 15896kB >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: DMA32: 909*4kB (M) 662*8kB >>>>>>>>>>>>>> (ME) >>>>>>>>>>>>>> 313*16kB (UME) 176*32kB (UME) 39*64kB (ME) 0*128kB 0*256kB >>>>>>>>>>>>>> 0*512kB >>>>>>>>>>>>>> 0*1024kB 0*2048kB 0*4096kB = 22068kB >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: Normal: 1493*4kB (UM) 397*8kB >>>>>>>>>>>>>> (UME) >>>>>>>>>>>>>> 375*16kB (UME) 1*32kB (E) 0*64kB 0*128kB 0*256kB 0*512kB >>>>>>>>>>>>>> 0*1024kB >>>>>>>>>>>>>> 0*2048kB 0*4096kB = 15180kB >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: Node 0 hugepages_total=0 >>>>>>>>>>>>>> hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: 1003306 total pagecache pages >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: 0 pages in swap cache >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: Swap cache stats: add 0, >>>>>>>>>>>>>> delete >>>>>>>>>>>>>> 0, >>>>>>>>>>>>>> find >>>>>>>>>>>>>> 0/0 >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: Free swap = 9775420kB >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: Total swap = 9775420kB >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: 2017164 pages RAM >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: 0 pages HighMem/MovableOnly >>>>>>>>>>>>>> Dec 24 09:41:21 krshina3 kernel: 315557 pages reserved >>>>>>>>>>>>>> >>>>>>>>>>>>>> >>>>>>>>>>>>>> >>>>>>>>>>>>>>> Thanks a lot >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> Dushan >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> On Sun, Dec 18, 2016 at 1:44 PM, Edward Shishkin >>>>>>>>>>>>>>> <edward.shishkin@xxxxxxxxx> wrote: >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> Try this one in addition. >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> Thanks, >>>>>>>>>>>>>>>> Edward. >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> On 12/18/2016 01:17 PM, Dušan Čolić wrote: >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> It's OK now, mounts read-only on error. >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> What about that BUG on mount? >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> On Sat, Dec 17, 2016 at 10:45 PM, Edward Shishkin >>>>>>>>>>>>>>>>> <edward.shishkin@xxxxxxxxx> wrote: >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> Please, check if this help. >>>>>>>>>>>>>>>>>> Apply from reiser4 directory. >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> Thanks, >>>>>>>>>>>>>>>>>> Edward. >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> On 12/17/2016 10:08 PM, Dušan Čolić wrote: >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> When mounting reiser4 partitions I get the following bug, >>>>>>>>>>>>>>>>>>> but >>>>>>>>>>>>>>>>>>> the >>>>>>>>>>>>>>>>>>> system keeps working, even as reiser4 remounted partition >>>>>>>>>>>>>>>>>>> as >>>>>>>>>>>>>>>>>>> read >>>>>>>>>>>>>>>>>>> only. >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> All R4 partitions are ccreg40. >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> Thanks >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> Dushan >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> cat /etc/fstab | grep -v "#" >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> /dev/sda1 /boot ext2 noauto,noatime >>>>>>>>>>>>>>>>>>> 1 >>>>>>>>>>>>>>>>>>> 2 >>>>>>>>>>>>>>>>>>> /dev/md123 none swap >>>>>>>>>>>>>>>>>>> sw >>>>>>>>>>>>>>>>>>> 0 >>>>>>>>>>>>>>>>>>> 0 >>>>>>>>>>>>>>>>>>> /dev/sda2 / reiser4 >>>>>>>>>>>>>>>>>>> noatime,onerror=remount-ro >>>>>>>>>>>>>>>>>>> 0 0 >>>>>>>>>>>>>>>>>>> /dev/md125 /mnt/backup reiser4 >>>>>>>>>>>>>>>>>>> noatime,noauto,onerror=remount-ro 0 0 >>>>>>>>>>>>>>>>>>> /dev/md126 /mnt/media reiser4 >>>>>>>>>>>>>>>>>>> noatime,users,onerror=remount-ro 0 0 >>>>>>>>>>>>>>>>>>> /dev/md127 /usr/portage reiser4 >>>>>>>>>>>>>>>>>>> noatime,onerror=remount-ro 0 0 >>>>>>>>>>>>>>>>>>> /dev/dvdrom /mnt/cdrom auto noauto,ro >>>>>>>>>>>>>>>>>>> 0 >>>>>>>>>>>>>>>>>>> 0 >>>>>>>>>>>>>>>>>>> shm /dev/shm tmpfs >>>>>>>>>>>>>>>>>>> nodev,nosuid,noexec >>>>>>>>>>>>>>>>>>> 0 >>>>>>>>>>>>>>>>>>> 0 >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> cat /proc/mdstat >>>>>>>>>>>>>>>>>>> Personalities : [raid1] >>>>>>>>>>>>>>>>>>> md122 : active raid1 sdc1[1] sdb1[0] >>>>>>>>>>>>>>>>>>> 104320 blocks [2/2] [UU] >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> md123 : active raid1 sdc2[1] sdb2[0] >>>>>>>>>>>>>>>>>>> 594304 blocks [2/2] [UU] >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> md124 : active raid1 sdc5[1] sdb5[0] >>>>>>>>>>>>>>>>>>> 9775424 blocks [2/2] [UU] >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> md125 : active raid1 sdc6[1] sdb6[0] >>>>>>>>>>>>>>>>>>> 68364480 blocks [2/2] [UU] >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> md126 : active raid1 sdc7[1] sdb7[0] >>>>>>>>>>>>>>>>>>> 403110912 blocks [2/2] [UU] >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> md127 : active raid1 sdc8[1] sdb8[0] >>>>>>>>>>>>>>>>>>> 6433920 blocks [2/2] [UU] >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> df >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> Filesystem 1K-blocks Used Available Use% Mounted >>>>>>>>>>>>>>>>>>> on >>>>>>>>>>>>>>>>>>> /dev/sda2 37017728 30413152 6604576 83% / >>>>>>>>>>>>>>>>>>> tmpfs 680644 1012 679632 1% /run >>>>>>>>>>>>>>>>>>> dev 10240 0 10240 0% /dev >>>>>>>>>>>>>>>>>>> shm 3403212 1284 3401928 1% >>>>>>>>>>>>>>>>>>> /dev/shm >>>>>>>>>>>>>>>>>>> cgroup_root 10240 0 10240 0% >>>>>>>>>>>>>>>>>>> /sys/fs/cgroup >>>>>>>>>>>>>>>>>>> /dev/md126 383034100 350741596 32292504 92% >>>>>>>>>>>>>>>>>>> /mnt/media >>>>>>>>>>>>>>>>>>> /dev/md127 6113484 5605344 508140 92% >>>>>>>>>>>>>>>>>>> /usr/portage >>>>>>>>>>>>>>>>>>> none 3403212 12 3403200 1% >>>>>>>>>>>>>>>>>>> /run/user/1001 >>>>>>>>>>>>>>>>>>> none 3403212 0 3403212 0% >>>>>>>>>>>>>>>>>>> /run/user/1000 >>>>>>>>>>>>>>>>>>> /dev/md125 64959612 52568760 12390852 81% >>>>>>>>>>>>>>>>>>> /mnt/backup >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> dmesg >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> [ 2.057469] reiser4[swapper/0(1)]: try_init_format40 >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> (fs/reiser4/plugin/disk_format/disk_format40.c:303)[vpf-1364]: >>>>>>>>>>>>>>>>>>> NOTICE: Warning: mounting sda2 >>>>>>>>>>>>>>>>>>> with >>>>>>>>>>>>>>>>>>> fatal >>>>>>>>>>>>>>>>>>> errors, >>>>>>>>>>>>>>>>>>> forcing read-only mount. >>>>>>>>>>>>>>>>>>> [ 2.060544] reiser4: sda2: found disk format 4.0.1. >>>>>>>>>>>>>>>>>>> [ 2.062410] >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> ================================================================== >>>>>>>>>>>>>>>>>>> [ 2.063993] BUG: KASAN: use-after-free in >>>>>>>>>>>>>>>>>>> init_format_format40+0x401/0x750 at addr ffff8801d0fc0850 >>>>>>>>>>>>>>>>>>> [ 2.065616] Read of size 4 by task swapper/0/1 >>>>>>>>>>>>>>>>>>> [ 2.067228] CPU: 0 PID: 1 Comm: swapper/0 Not tainted >>>>>>>>>>>>>>>>>>> 4.8.11-gentoo >>>>>>>>>>>>>>>>>>> #3 >>>>>>>>>>>>>>>>>>> [ 2.068857] Hardware name: Gigabyte Technology Co., >>>>>>>>>>>>>>>>>>> Ltd. >>>>>>>>>>>>>>>>>>> To >>>>>>>>>>>>>>>>>>> be >>>>>>>>>>>>>>>>>>> filled by O.E.M./B75-D3V, BIOS F5 07/04/2012 >>>>>>>>>>>>>>>>>>> [ 2.070566] ffff8801d08f4580 ffff8801d6327a20 >>>>>>>>>>>>>>>>>>> ffffffff81424185 >>>>>>>>>>>>>>>>>>> ffff8801d6000600 >>>>>>>>>>>>>>>>>>> [ 2.072316] ffff8801d0fc0800 ffff8801d6327a48 >>>>>>>>>>>>>>>>>>> ffffffff811ff90c >>>>>>>>>>>>>>>>>>> ffff8801d6327ad8 >>>>>>>>>>>>>>>>>>> [ 2.074078] ffff8801d0fc0800 ffff8801d0fc0800 >>>>>>>>>>>>>>>>>>> ffff8801d6327ac8 >>>>>>>>>>>>>>>>>>> ffffffff811ffb79 >>>>>>>>>>>>>>>>>>> [ 2.075861] Call Trace: >>>>>>>>>>>>>>>>>>> [ 2.077616] [<ffffffff81424185>] dump_stack+0x4d/0x68 >>>>>>>>>>>>>>>>>>> [ 2.079402] [<ffffffff811ff90c>] >>>>>>>>>>>>>>>>>>> kasan_object_err+0x1c/0x70 >>>>>>>>>>>>>>>>>>> [ 2.081216] [<ffffffff811ffb79>] >>>>>>>>>>>>>>>>>>> kasan_report_error+0x1c9/0x4b0 >>>>>>>>>>>>>>>>>>> [ 2.083049] [<ffffffff812a10cf>] ? zget+0xdf/0x3c0 >>>>>>>>>>>>>>>>>>> [ 2.084876] [<ffffffff811ffef4>] >>>>>>>>>>>>>>>>>>> kasan_report+0x34/0x40 >>>>>>>>>>>>>>>>>>> [ 2.086717] [<ffffffff81304b11>] ? >>>>>>>>>>>>>>>>>>> init_format_format40+0x401/0x750 >>>>>>>>>>>>>>>>>>> [ 2.088594] [<ffffffff811ff601>] >>>>>>>>>>>>>>>>>>> __asan_load4+0x61/0x80 >>>>>>>>>>>>>>>>>>> [ 2.090471] [<ffffffff81304b11>] >>>>>>>>>>>>>>>>>>> init_format_format40+0x401/0x750 >>>>>>>>>>>>>>>>>>> [ 2.092356] [<ffffffff812c4f3a>] >>>>>>>>>>>>>>>>>>> fill_super+0x14a/0x300 >>>>>>>>>>>>>>>>>>> [ 2.094224] [<ffffffff81209b6f>] >>>>>>>>>>>>>>>>>>> mount_bdev+0x1bf/0x200 >>>>>>>>>>>>>>>>>>> [ 2.096073] [<ffffffff812c4df0>] ? >>>>>>>>>>>>>>>>>>> reiser4_mount+0x20/0x20 >>>>>>>>>>>>>>>>>>> [ 2.097930] [<ffffffff812c4de0>] >>>>>>>>>>>>>>>>>>> reiser4_mount+0x10/0x20 >>>>>>>>>>>>>>>>>>> [ 2.099785] [<ffffffff81209dfe>] mount_fs+0x2e/0xe0 >>>>>>>>>>>>>>>>>>> [ 2.101654] [<ffffffff81231a96>] >>>>>>>>>>>>>>>>>>> vfs_kern_mount+0x66/0x190 >>>>>>>>>>>>>>>>>>> [ 2.103528] [<ffffffff81233af2>] >>>>>>>>>>>>>>>>>>> do_mount+0x1d2/0x1080 >>>>>>>>>>>>>>>>>>> [ 2.105397] [<ffffffff811fe944>] ? >>>>>>>>>>>>>>>>>>> kasan_check_write+0x14/0x20 >>>>>>>>>>>>>>>>>>> [ 2.107295] [<ffffffff811c4624>] ? >>>>>>>>>>>>>>>>>>> strndup_user+0x54/0x70 >>>>>>>>>>>>>>>>>>> [ 2.109187] [<ffffffff81234e46>] SyS_mount+0x66/0xb0 >>>>>>>>>>>>>>>>>>> [ 2.111089] [<ffffffff820a8759>] >>>>>>>>>>>>>>>>>>> mount_block_root+0x171/0x3ac >>>>>>>>>>>>>>>>>>> [ 2.113023] [<ffffffff820a8a0b>] mount_root+0x77/0xd8 >>>>>>>>>>>>>>>>>>> [ 2.114955] [<ffffffff820a8ba1>] >>>>>>>>>>>>>>>>>>> prepare_namespace+0x135/0x16d >>>>>>>>>>>>>>>>>>> [ 2.116887] [<ffffffff820a84ec>] >>>>>>>>>>>>>>>>>>> kernel_init_freeable+0x237/0x24b >>>>>>>>>>>>>>>>>>> [ 2.118811] [<ffffffff81a50e9e>] >>>>>>>>>>>>>>>>>>> kernel_init+0xe/0x120 >>>>>>>>>>>>>>>>>>> [ 2.120713] [<ffffffff81a5780f>] >>>>>>>>>>>>>>>>>>> ret_from_fork+0x1f/0x40 >>>>>>>>>>>>>>>>>>> [ 2.122618] [<ffffffff81a50e90>] ? >>>>>>>>>>>>>>>>>>> rest_init+0x80/0x80 >>>>>>>>>>>>>>>>>>> [ 2.124522] Object at ffff8801d0fc0800, in cache >>>>>>>>>>>>>>>>>>> kmalloc-512 >>>>>>>>>>>>>>>>>>> size: >>>>>>>>>>>>>>>>>>> 512 >>>>>>>>>>>>>>>>>>> [ 2.126453] Allocated: >>>>>>>>>>>>>>>>>>> [ 2.128364] PID = 1 >>>>>>>>>>>>>>>>>>> [ 2.130261] [<ffffffff8109f536>] >>>>>>>>>>>>>>>>>>> save_stack_trace+0x26/0x50 >>>>>>>>>>>>>>>>>>> [ 2.132219] [<ffffffff811fe802>] >>>>>>>>>>>>>>>>>>> kasan_kmalloc.part.5+0x62/0xf0 >>>>>>>>>>>>>>>>>>> [ 2.134206] [<ffffffff811ff018>] >>>>>>>>>>>>>>>>>>> kasan_kmalloc+0x78/0xa0 >>>>>>>>>>>>>>>>>>> [ 2.136188] [<ffffffff813048bc>] >>>>>>>>>>>>>>>>>>> init_format_format40+0x1ac/0x750 >>>>>>>>>>>>>>>>>>> [ 2.138174] [<ffffffff812c4f3a>] >>>>>>>>>>>>>>>>>>> fill_super+0x14a/0x300 >>>>>>>>>>>>>>>>>>> [ 2.140144] [<ffffffff81209b6f>] >>>>>>>>>>>>>>>>>>> mount_bdev+0x1bf/0x200 >>>>>>>>>>>>>>>>>>> [ 2.142096] [<ffffffff812c4de0>] >>>>>>>>>>>>>>>>>>> reiser4_mount+0x10/0x20 >>>>>>>>>>>>>>>>>>> [ 2.144055] [<ffffffff81209dfe>] mount_fs+0x2e/0xe0 >>>>>>>>>>>>>>>>>>> [ 2.146028] [<ffffffff81231a96>] >>>>>>>>>>>>>>>>>>> vfs_kern_mount+0x66/0x190 >>>>>>>>>>>>>>>>>>> [ 2.148016] [<ffffffff81233af2>] >>>>>>>>>>>>>>>>>>> do_mount+0x1d2/0x1080 >>>>>>>>>>>>>>>>>>> [ 2.150014] [<ffffffff81234e46>] SyS_mount+0x66/0xb0 >>>>>>>>>>>>>>>>>>> [ 2.152026] [<ffffffff820a8759>] >>>>>>>>>>>>>>>>>>> mount_block_root+0x171/0x3ac >>>>>>>>>>>>>>>>>>> [ 2.154055] [<ffffffff820a8a0b>] mount_root+0x77/0xd8 >>>>>>>>>>>>>>>>>>> [ 2.156066] [<ffffffff820a8ba1>] >>>>>>>>>>>>>>>>>>> prepare_namespace+0x135/0x16d >>>>>>>>>>>>>>>>>>> [ 2.158074] [<ffffffff820a84ec>] >>>>>>>>>>>>>>>>>>> kernel_init_freeable+0x237/0x24b >>>>>>>>>>>>>>>>>>> [ 2.160079] [<ffffffff81a50e9e>] >>>>>>>>>>>>>>>>>>> kernel_init+0xe/0x120 >>>>>>>>>>>>>>>>>>> [ 2.162020] [<ffffffff81a5780f>] >>>>>>>>>>>>>>>>>>> ret_from_fork+0x1f/0x40 >>>>>>>>>>>>>>>>>>> [ 2.163918] Freed: >>>>>>>>>>>>>>>>>>> [ 2.165760] PID = 1 >>>>>>>>>>>>>>>>>>> [ 2.167562] [<ffffffff8109f536>] >>>>>>>>>>>>>>>>>>> save_stack_trace+0x26/0x50 >>>>>>>>>>>>>>>>>>> [ 2.169376] [<ffffffff811feed7>] >>>>>>>>>>>>>>>>>>> kasan_slab_free+0xb7/0x180 >>>>>>>>>>>>>>>>>>> [ 2.171150] [<ffffffff811fd67b>] kfree+0x6b/0x90 >>>>>>>>>>>>>>>>>>> [ 2.172895] [<ffffffff81304b09>] >>>>>>>>>>>>>>>>>>> init_format_format40+0x3f9/0x750 >>>>>>>>>>>>>>>>>>> [ 2.174616] [<ffffffff812c4f3a>] >>>>>>>>>>>>>>>>>>> fill_super+0x14a/0x300 >>>>>>>>>>>>>>>>>>> [ 2.176290] [<ffffffff81209b6f>] >>>>>>>>>>>>>>>>>>> mount_bdev+0x1bf/0x200 >>>>>>>>>>>>>>>>>>> [ 2.177962] [<ffffffff812c4de0>] >>>>>>>>>>>>>>>>>>> reiser4_mount+0x10/0x20 >>>>>>>>>>>>>>>>>>> [ 2.179633] [<ffffffff81209dfe>] mount_fs+0x2e/0xe0 >>>>>>>>>>>>>>>>>>> [ 2.181273] [<ffffffff81231a96>] >>>>>>>>>>>>>>>>>>> vfs_kern_mount+0x66/0x190 >>>>>>>>>>>>>>>>>>> [ 2.182910] [<ffffffff81233af2>] >>>>>>>>>>>>>>>>>>> do_mount+0x1d2/0x1080 >>>>>>>>>>>>>>>>>>> [ 2.184541] [<ffffffff81234e46>] SyS_mount+0x66/0xb0 >>>>>>>>>>>>>>>>>>> [ 2.186171] [<ffffffff820a8759>] >>>>>>>>>>>>>>>>>>> mount_block_root+0x171/0x3ac >>>>>>>>>>>>>>>>>>> [ 2.187804] [<ffffffff820a8a0b>] mount_root+0x77/0xd8 >>>>>>>>>>>>>>>>>>> [ 2.189430] [<ffffffff820a8ba1>] >>>>>>>>>>>>>>>>>>> prepare_namespace+0x135/0x16d >>>>>>>>>>>>>>>>>>> [ 2.191056] [<ffffffff820a84ec>] >>>>>>>>>>>>>>>>>>> kernel_init_freeable+0x237/0x24b >>>>>>>>>>>>>>>>>>> [ 2.192683] [<ffffffff81a50e9e>] >>>>>>>>>>>>>>>>>>> kernel_init+0xe/0x120 >>>>>>>>>>>>>>>>>>> [ 2.194296] [<ffffffff81a5780f>] >>>>>>>>>>>>>>>>>>> ret_from_fork+0x1f/0x40 >>>>>>>>>>>>>>>>>>> [ 2.195902] Memory state around the buggy address: >>>>>>>>>>>>>>>>>>> [ 2.197517] ffff8801d0fc0700: fc fc fc fc fc fc fc fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc fc fc fc >>>>>>>>>>>>>>>>>>> [ 2.199178] ffff8801d0fc0780: fc fc fc fc fc fc fc fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc fc fc fc >>>>>>>>>>>>>>>>>>> [ 2.200818] >ffff8801d0fc0800: fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb fb fb fb >>>>>>>>>>>>>>>>>>> [ 2.202460] >>>>>>>>>>>>>>>>>>> ^ >>>>>>>>>>>>>>>>>>> [ 2.204114] ffff8801d0fc0880: fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb fb fb fb >>>>>>>>>>>>>>>>>>> [ 2.205804] ffff8801d0fc0900: fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb fb fb fb >>>>>>>>>>>>>>>>>>> [ 2.207471] >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> ================================================================== >>>>>>>>>>>>>>>>>>> [ 2.209162] Disabling lock debugging due to kernel >>>>>>>>>>>>>>>>>>> taint >>>>>>>>>>>>>>>>>>> [ 2.210933] reiser4: sda2: use 'fsck.reiser4 --fix' to >>>>>>>>>>>>>>>>>>> complete >>>>>>>>>>>>>>>>>>> disk format upgrade. >>>>>>>>>>>>>>>>>>> [ 2.212696] usb 1-1.4: new high-speed USB device >>>>>>>>>>>>>>>>>>> number >>>>>>>>>>>>>>>>>>> 3 >>>>>>>>>>>>>>>>>>> using >>>>>>>>>>>>>>>>>>> ehci-pci >>>>>>>>>>>>>>>>>>> [ 2.214507] usb 2-1.5: new full-speed USB device >>>>>>>>>>>>>>>>>>> number >>>>>>>>>>>>>>>>>>> 3 >>>>>>>>>>>>>>>>>>> using >>>>>>>>>>>>>>>>>>> ehci-pci >>>>>>>>>>>>>>>>>>> [ 2.234910] hid-generic 0003:051D:0002.0002: device >>>>>>>>>>>>>>>>>>> has >>>>>>>>>>>>>>>>>>> no >>>>>>>>>>>>>>>>>>> listeners, quitting >>>>>>>>>>>>>>>>>>> [ 2.312037] reiser4: sda2: using Hybrid Transaction >>>>>>>>>>>>>>>>>>> Model. >>>>>>>>>>>>>>>>>>> [ 2.313880] VFS: Mounted root (reiser4 filesystem) >>>>>>>>>>>>>>>>>>> readonly >>>>>>>>>>>>>>>>>>> on >>>>>>>>>>>>>>>>>>> device >>>>>>>>>>>>>>>>>>> 8:2. >>>>>>>>>>>>>>>>>>> [ 2.315949] Freeing unused kernel memory: 968K >>>>>>>>>>>>>>>>>>> (ffffffff82086000 >>>>>>>>>>>>>>>>>>> - >>>>>>>>>>>>>>>>>>> ffffffff82178000) >>>>>>>>>>>>>>>>>>> [ 2.317823] Write protecting the kernel read-only >>>>>>>>>>>>>>>>>>> data: >>>>>>>>>>>>>>>>>>> 16384k >>>>>>>>>>>>>>>>>>> [ 2.320900] Freeing unused kernel memory: 1636K >>>>>>>>>>>>>>>>>>> (ffff880001a67000 - >>>>>>>>>>>>>>>>>>> ffff880001c00000) >>>>>>>>>>>>>>>>>>> [ 2.331114] Freeing unused kernel memory: 1848K >>>>>>>>>>>>>>>>>>> (ffff880001e32000 - >>>>>>>>>>>>>>>>>>> ffff880002000000) >>>>>>>>>>>>>>>>>>> [ 2.334644] hub 1-1.4:1.0: USB hub found >>>>>>>>>>>>>>>>>>> [ 2.336766] hub 1-1.4:1.0: 2 ports detected >>>>>>>>>>>>>>>>>>> [ 2.624398] usb 1-1.4.2: new full-speed USB device >>>>>>>>>>>>>>>>>>> number >>>>>>>>>>>>>>>>>>> 4 >>>>>>>>>>>>>>>>>>> using >>>>>>>>>>>>>>>>>>> ehci-pci >>>>>>>>>>>>>>>>>>> [ 5.221431] random: crng init done >>>>>>>>>>>>>>>>>>> [ 7.579186] Adding 594300k swap on /dev/md123. >>>>>>>>>>>>>>>>>>> Priority:-1 >>>>>>>>>>>>>>>>>>> extents:1 across:594300k >>>>>>>>>>>>>>>>>>> [ 7.661464] reiser4: md126: found disk format 4.0.1. >>>>>>>>>>>>>>>>>>> [ 7.661541] >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> ================================================================== >>>>>>>>>>>>>>>>>>> [ 7.661546] BUG: KASAN: use-after-free in >>>>>>>>>>>>>>>>>>> init_format_format40+0x401/0x750 at addr ffff8801cfaf1350 >>>>>>>>>>>>>>>>>>> [ 7.661548] Read of size 4 by task mount/1662 >>>>>>>>>>>>>>>>>>> [ 7.661551] CPU: 0 PID: 1662 Comm: mount Tainted: G >>>>>>>>>>>>>>>>>>> B >>>>>>>>>>>>>>>>>>> 4.8.11-gentoo #3 >>>>>>>>>>>>>>>>>>> [ 7.661552] Hardware name: Gigabyte Technology Co., >>>>>>>>>>>>>>>>>>> Ltd. >>>>>>>>>>>>>>>>>>> To >>>>>>>>>>>>>>>>>>> be >>>>>>>>>>>>>>>>>>> filled by O.E.M./B75-D3V, BIOS F5 07/04/2012 >>>>>>>>>>>>>>>>>>> [ 7.661553] ffff8801ceef3580 ffff8801cf087b28 >>>>>>>>>>>>>>>>>>> ffffffff81424185 >>>>>>>>>>>>>>>>>>> ffff8801d6000600 >>>>>>>>>>>>>>>>>>> [ 7.661556] ffff8801cfaf1300 ffff8801cf087b50 >>>>>>>>>>>>>>>>>>> ffffffff811ff90c >>>>>>>>>>>>>>>>>>> ffff8801cf087be0 >>>>>>>>>>>>>>>>>>> [ 7.661559] ffff8801cfaf1300 ffff8801cfaf1300 >>>>>>>>>>>>>>>>>>> ffff8801cf087bd0 >>>>>>>>>>>>>>>>>>> ffffffff811ffb79 >>>>>>>>>>>>>>>>>>> [ 7.661561] Call Trace: >>>>>>>>>>>>>>>>>>> [ 7.661565] [<ffffffff81424185>] dump_stack+0x4d/0x68 >>>>>>>>>>>>>>>>>>> [ 7.661569] [<ffffffff811ff90c>] >>>>>>>>>>>>>>>>>>> kasan_object_err+0x1c/0x70 >>>>>>>>>>>>>>>>>>> [ 7.661571] [<ffffffff811ffb79>] >>>>>>>>>>>>>>>>>>> kasan_report_error+0x1c9/0x4b0 >>>>>>>>>>>>>>>>>>> [ 7.661574] [<ffffffff812a10cf>] ? zget+0xdf/0x3c0 >>>>>>>>>>>>>>>>>>> [ 7.661577] [<ffffffff811ffef4>] >>>>>>>>>>>>>>>>>>> kasan_report+0x34/0x40 >>>>>>>>>>>>>>>>>>> [ 7.661580] [<ffffffff81304b11>] ? >>>>>>>>>>>>>>>>>>> init_format_format40+0x401/0x750 >>>>>>>>>>>>>>>>>>> [ 7.661582] [<ffffffff811ff601>] >>>>>>>>>>>>>>>>>>> __asan_load4+0x61/0x80 >>>>>>>>>>>>>>>>>>> [ 7.661585] [<ffffffff81304b11>] >>>>>>>>>>>>>>>>>>> init_format_format40+0x401/0x750 >>>>>>>>>>>>>>>>>>> [ 7.661588] [<ffffffff812c4f3a>] >>>>>>>>>>>>>>>>>>> fill_super+0x14a/0x300 >>>>>>>>>>>>>>>>>>> [ 7.661591] [<ffffffff81209b6f>] >>>>>>>>>>>>>>>>>>> mount_bdev+0x1bf/0x200 >>>>>>>>>>>>>>>>>>> [ 7.661593] [<ffffffff812c4df0>] ? >>>>>>>>>>>>>>>>>>> reiser4_mount+0x20/0x20 >>>>>>>>>>>>>>>>>>> [ 7.661594] [<ffffffff812c4de0>] >>>>>>>>>>>>>>>>>>> reiser4_mount+0x10/0x20 >>>>>>>>>>>>>>>>>>> [ 7.661597] [<ffffffff81209dfe>] mount_fs+0x2e/0xe0 >>>>>>>>>>>>>>>>>>> [ 7.661600] [<ffffffff81231a96>] >>>>>>>>>>>>>>>>>>> vfs_kern_mount+0x66/0x190 >>>>>>>>>>>>>>>>>>> [ 7.661602] [<ffffffff81233af2>] >>>>>>>>>>>>>>>>>>> do_mount+0x1d2/0x1080 >>>>>>>>>>>>>>>>>>> [ 7.661604] [<ffffffff812337f1>] ? >>>>>>>>>>>>>>>>>>> copy_mount_options+0x111/0x220 >>>>>>>>>>>>>>>>>>> [ 7.661606] [<ffffffff812337da>] ? >>>>>>>>>>>>>>>>>>> copy_mount_options+0xfa/0x220 >>>>>>>>>>>>>>>>>>> [ 7.661608] [<ffffffff81234e46>] SyS_mount+0x66/0xb0 >>>>>>>>>>>>>>>>>>> [ 7.661613] [<ffffffff81a5761b>] >>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_fastpath+0x13/0x8f >>>>>>>>>>>>>>>>>>> [ 7.661614] Object at ffff8801cfaf1300, in cache >>>>>>>>>>>>>>>>>>> kmalloc-512 >>>>>>>>>>>>>>>>>>> size: >>>>>>>>>>>>>>>>>>> 512 >>>>>>>>>>>>>>>>>>> [ 7.661615] Allocated: >>>>>>>>>>>>>>>>>>> [ 7.661615] PID = 1662 >>>>>>>>>>>>>>>>>>> [ 7.661616] [<ffffffff8109f536>] >>>>>>>>>>>>>>>>>>> save_stack_trace+0x26/0x50 >>>>>>>>>>>>>>>>>>> [ 7.661620] [<ffffffff811fe802>] >>>>>>>>>>>>>>>>>>> kasan_kmalloc.part.5+0x62/0xf0 >>>>>>>>>>>>>>>>>>> [ 7.661622] [<ffffffff811ff018>] >>>>>>>>>>>>>>>>>>> kasan_kmalloc+0x78/0xa0 >>>>>>>>>>>>>>>>>>> [ 7.661625] [<ffffffff813048bc>] >>>>>>>>>>>>>>>>>>> init_format_format40+0x1ac/0x750 >>>>>>>>>>>>>>>>>>> [ 7.661628] [<ffffffff812c4f3a>] >>>>>>>>>>>>>>>>>>> fill_super+0x14a/0x300 >>>>>>>>>>>>>>>>>>> [ 7.661630] [<ffffffff81209b6f>] >>>>>>>>>>>>>>>>>>> mount_bdev+0x1bf/0x200 >>>>>>>>>>>>>>>>>>> [ 7.661632] [<ffffffff812c4de0>] >>>>>>>>>>>>>>>>>>> reiser4_mount+0x10/0x20 >>>>>>>>>>>>>>>>>>> [ 7.661634] [<ffffffff81209dfe>] mount_fs+0x2e/0xe0 >>>>>>>>>>>>>>>>>>> [ 7.661637] [<ffffffff81231a96>] >>>>>>>>>>>>>>>>>>> vfs_kern_mount+0x66/0x190 >>>>>>>>>>>>>>>>>>> [ 7.661639] [<ffffffff81233af2>] >>>>>>>>>>>>>>>>>>> do_mount+0x1d2/0x1080 >>>>>>>>>>>>>>>>>>> [ 7.661641] [<ffffffff81234e46>] SyS_mount+0x66/0xb0 >>>>>>>>>>>>>>>>>>> [ 7.661643] [<ffffffff81a5761b>] >>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_fastpath+0x13/0x8f >>>>>>>>>>>>>>>>>>> [ 7.661646] Freed: >>>>>>>>>>>>>>>>>>> [ 7.661646] PID = 1662 >>>>>>>>>>>>>>>>>>> [ 7.661647] [<ffffffff8109f536>] >>>>>>>>>>>>>>>>>>> save_stack_trace+0x26/0x50 >>>>>>>>>>>>>>>>>>> [ 7.661649] [<ffffffff811feed7>] >>>>>>>>>>>>>>>>>>> kasan_slab_free+0xb7/0x180 >>>>>>>>>>>>>>>>>>> [ 7.661652] [<ffffffff811fd67b>] kfree+0x6b/0x90 >>>>>>>>>>>>>>>>>>> [ 7.661654] [<ffffffff81304b09>] >>>>>>>>>>>>>>>>>>> init_format_format40+0x3f9/0x750 >>>>>>>>>>>>>>>>>>> [ 7.661657] [<ffffffff812c4f3a>] >>>>>>>>>>>>>>>>>>> fill_super+0x14a/0x300 >>>>>>>>>>>>>>>>>>> [ 7.661659] [<ffffffff81209b6f>] >>>>>>>>>>>>>>>>>>> mount_bdev+0x1bf/0x200 >>>>>>>>>>>>>>>>>>> [ 7.661662] [<ffffffff812c4de0>] >>>>>>>>>>>>>>>>>>> reiser4_mount+0x10/0x20 >>>>>>>>>>>>>>>>>>> [ 7.661664] [<ffffffff81209dfe>] mount_fs+0x2e/0xe0 >>>>>>>>>>>>>>>>>>> [ 7.661666] [<ffffffff81231a96>] >>>>>>>>>>>>>>>>>>> vfs_kern_mount+0x66/0x190 >>>>>>>>>>>>>>>>>>> [ 7.661668] [<ffffffff81233af2>] >>>>>>>>>>>>>>>>>>> do_mount+0x1d2/0x1080 >>>>>>>>>>>>>>>>>>> [ 7.661670] [<ffffffff81234e46>] SyS_mount+0x66/0xb0 >>>>>>>>>>>>>>>>>>> [ 7.661672] [<ffffffff81a5761b>] >>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_fastpath+0x13/0x8f >>>>>>>>>>>>>>>>>>> [ 7.661675] Memory state around the buggy address: >>>>>>>>>>>>>>>>>>> [ 7.661677] ffff8801cfaf1200: fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb fb fb fb >>>>>>>>>>>>>>>>>>> [ 7.661679] ffff8801cfaf1280: fc fc fc fc fc fc fc fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc fc fc fc >>>>>>>>>>>>>>>>>>> [ 7.661681] >ffff8801cfaf1300: fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb fb fb fb >>>>>>>>>>>>>>>>>>> [ 7.661681] >>>>>>>>>>>>>>>>>>> ^ >>>>>>>>>>>>>>>>>>> [ 7.661683] ffff8801cfaf1380: fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb fb fb fb >>>>>>>>>>>>>>>>>>> [ 7.661684] ffff8801cfaf1400: fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb fb fb fb >>>>>>>>>>>>>>>>>>> [ 7.661685] >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> ================================================================== >>>>>>>>>>>>>>>>>>> [ 10.972840] rcu-perf:rcu_perf_writer 0 has 100 >>>>>>>>>>>>>>>>>>> measurements >>>>>>>>>>>>>>>>>>> [ 11.016722] rcu-perf:Test complete >>>>>>>>>>>>>>>>>>> [ 26.835385] reiser4: md126: using Hybrid Transaction >>>>>>>>>>>>>>>>>>> Model. >>>>>>>>>>>>>>>>>>> [ 26.857910] reiser4: md127: found disk format 4.0.1. >>>>>>>>>>>>>>>>>>> [ 26.857995] >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> ================================================================== >>>>>>>>>>>>>>>>>>> [ 26.858002] BUG: KASAN: use-after-free in >>>>>>>>>>>>>>>>>>> init_format_format40+0x401/0x750 at addr ffff8801cbf560d0 >>>>>>>>>>>>>>>>>>> [ 26.858003] Read of size 4 by task mount/1662 >>>>>>>>>>>>>>>>>>> [ 26.858006] CPU: 0 PID: 1662 Comm: mount Tainted: G >>>>>>>>>>>>>>>>>>> B >>>>>>>>>>>>>>>>>>> 4.8.11-gentoo #3 >>>>>>>>>>>>>>>>>>> [ 26.858007] Hardware name: Gigabyte Technology Co., >>>>>>>>>>>>>>>>>>> Ltd. >>>>>>>>>>>>>>>>>>> To >>>>>>>>>>>>>>>>>>> be >>>>>>>>>>>>>>>>>>> filled by O.E.M./B75-D3V, BIOS F5 07/04/2012 >>>>>>>>>>>>>>>>>>> [ 26.858009] ffff8801b9ded5c0 ffff8801cf087b28 >>>>>>>>>>>>>>>>>>> ffffffff81424185 >>>>>>>>>>>>>>>>>>> ffff8801d6000600 >>>>>>>>>>>>>>>>>>> [ 26.858012] ffff8801cbf56080 ffff8801cf087b50 >>>>>>>>>>>>>>>>>>> ffffffff811ff90c >>>>>>>>>>>>>>>>>>> ffff8801cf087be0 >>>>>>>>>>>>>>>>>>> [ 26.858014] ffff8801cbf56080 ffff8801cbf56080 >>>>>>>>>>>>>>>>>>> ffff8801cf087bd0 >>>>>>>>>>>>>>>>>>> ffffffff811ffb79 >>>>>>>>>>>>>>>>>>> [ 26.858017] Call Trace: >>>>>>>>>>>>>>>>>>> [ 26.858020] [<ffffffff81424185>] dump_stack+0x4d/0x68 >>>>>>>>>>>>>>>>>>> [ 26.858024] [<ffffffff811ff90c>] >>>>>>>>>>>>>>>>>>> kasan_object_err+0x1c/0x70 >>>>>>>>>>>>>>>>>>> [ 26.858027] [<ffffffff811ffb79>] >>>>>>>>>>>>>>>>>>> kasan_report_error+0x1c9/0x4b0 >>>>>>>>>>>>>>>>>>> [ 26.858029] [<ffffffff812a10cf>] ? zget+0xdf/0x3c0 >>>>>>>>>>>>>>>>>>> [ 26.858032] [<ffffffff811ffef4>] >>>>>>>>>>>>>>>>>>> kasan_report+0x34/0x40 >>>>>>>>>>>>>>>>>>> [ 26.858035] [<ffffffff81304b11>] ? >>>>>>>>>>>>>>>>>>> init_format_format40+0x401/0x750 >>>>>>>>>>>>>>>>>>> [ 26.858038] [<ffffffff811ff601>] >>>>>>>>>>>>>>>>>>> __asan_load4+0x61/0x80 >>>>>>>>>>>>>>>>>>> [ 26.858040] [<ffffffff81304b11>] >>>>>>>>>>>>>>>>>>> init_format_format40+0x401/0x750 >>>>>>>>>>>>>>>>>>> [ 26.858043] [<ffffffff812c4f3a>] >>>>>>>>>>>>>>>>>>> fill_super+0x14a/0x300 >>>>>>>>>>>>>>>>>>> [ 26.858046] [<ffffffff81209b6f>] >>>>>>>>>>>>>>>>>>> mount_bdev+0x1bf/0x200 >>>>>>>>>>>>>>>>>>> [ 26.858048] [<ffffffff812c4df0>] ? >>>>>>>>>>>>>>>>>>> reiser4_mount+0x20/0x20 >>>>>>>>>>>>>>>>>>> [ 26.858050] [<ffffffff812c4de0>] >>>>>>>>>>>>>>>>>>> reiser4_mount+0x10/0x20 >>>>>>>>>>>>>>>>>>> [ 26.858052] [<ffffffff81209dfe>] mount_fs+0x2e/0xe0 >>>>>>>>>>>>>>>>>>> [ 26.858055] [<ffffffff81231a96>] >>>>>>>>>>>>>>>>>>> vfs_kern_mount+0x66/0x190 >>>>>>>>>>>>>>>>>>> [ 26.858057] [<ffffffff81233af2>] >>>>>>>>>>>>>>>>>>> do_mount+0x1d2/0x1080 >>>>>>>>>>>>>>>>>>> [ 26.858059] [<ffffffff812337da>] ? >>>>>>>>>>>>>>>>>>> copy_mount_options+0xfa/0x220 >>>>>>>>>>>>>>>>>>> [ 26.858061] [<ffffffff81234e46>] SyS_mount+0x66/0xb0 >>>>>>>>>>>>>>>>>>> [ 26.858065] [<ffffffff81a5761b>] >>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_fastpath+0x13/0x8f >>>>>>>>>>>>>>>>>>> [ 26.858067] Object at ffff8801cbf56080, in cache >>>>>>>>>>>>>>>>>>> kmalloc-512 >>>>>>>>>>>>>>>>>>> size: >>>>>>>>>>>>>>>>>>> 512 >>>>>>>>>>>>>>>>>>> [ 26.858067] Allocated: >>>>>>>>>>>>>>>>>>> [ 26.858068] PID = 1662 >>>>>>>>>>>>>>>>>>> [ 26.858069] [<ffffffff8109f536>] >>>>>>>>>>>>>>>>>>> save_stack_trace+0x26/0x50 >>>>>>>>>>>>>>>>>>> [ 26.858072] [<ffffffff811fe802>] >>>>>>>>>>>>>>>>>>> kasan_kmalloc.part.5+0x62/0xf0 >>>>>>>>>>>>>>>>>>> [ 26.858075] [<ffffffff811ff018>] >>>>>>>>>>>>>>>>>>> kasan_kmalloc+0x78/0xa0 >>>>>>>>>>>>>>>>>>> [ 26.858077] [<ffffffff813048bc>] >>>>>>>>>>>>>>>>>>> init_format_format40+0x1ac/0x750 >>>>>>>>>>>>>>>>>>> [ 26.858080] [<ffffffff812c4f3a>] >>>>>>>>>>>>>>>>>>> fill_super+0x14a/0x300 >>>>>>>>>>>>>>>>>>> [ 26.858082] [<ffffffff81209b6f>] >>>>>>>>>>>>>>>>>>> mount_bdev+0x1bf/0x200 >>>>>>>>>>>>>>>>>>> [ 26.858085] [<ffffffff812c4de0>] >>>>>>>>>>>>>>>>>>> reiser4_mount+0x10/0x20 >>>>>>>>>>>>>>>>>>> [ 26.858087] [<ffffffff81209dfe>] mount_fs+0x2e/0xe0 >>>>>>>>>>>>>>>>>>> [ 26.858089] [<ffffffff81231a96>] >>>>>>>>>>>>>>>>>>> vfs_kern_mount+0x66/0x190 >>>>>>>>>>>>>>>>>>> [ 26.858091] [<ffffffff81233af2>] >>>>>>>>>>>>>>>>>>> do_mount+0x1d2/0x1080 >>>>>>>>>>>>>>>>>>> [ 26.858093] [<ffffffff81234e46>] SyS_mount+0x66/0xb0 >>>>>>>>>>>>>>>>>>> [ 26.858095] [<ffffffff81a5761b>] >>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_fastpath+0x13/0x8f >>>>>>>>>>>>>>>>>>> [ 26.858098] Freed: >>>>>>>>>>>>>>>>>>> [ 26.858099] PID = 1662 >>>>>>>>>>>>>>>>>>> [ 26.858099] [<ffffffff8109f536>] >>>>>>>>>>>>>>>>>>> save_stack_trace+0x26/0x50 >>>>>>>>>>>>>>>>>>> [ 26.858102] [<ffffffff811feed7>] >>>>>>>>>>>>>>>>>>> kasan_slab_free+0xb7/0x180 >>>>>>>>>>>>>>>>>>> [ 26.858104] [<ffffffff811fd67b>] kfree+0x6b/0x90 >>>>>>>>>>>>>>>>>>> [ 26.858107] [<ffffffff81304b09>] >>>>>>>>>>>>>>>>>>> init_format_format40+0x3f9/0x750 >>>>>>>>>>>>>>>>>>> [ 26.858109] [<ffffffff812c4f3a>] >>>>>>>>>>>>>>>>>>> fill_super+0x14a/0x300 >>>>>>>>>>>>>>>>>>> [ 26.858111] [<ffffffff81209b6f>] >>>>>>>>>>>>>>>>>>> mount_bdev+0x1bf/0x200 >>>>>>>>>>>>>>>>>>> [ 26.858114] [<ffffffff812c4de0>] >>>>>>>>>>>>>>>>>>> reiser4_mount+0x10/0x20 >>>>>>>>>>>>>>>>>>> [ 26.858116] [<ffffffff81209dfe>] mount_fs+0x2e/0xe0 >>>>>>>>>>>>>>>>>>> [ 26.858118] [<ffffffff81231a96>] >>>>>>>>>>>>>>>>>>> vfs_kern_mount+0x66/0x190 >>>>>>>>>>>>>>>>>>> [ 26.858120] [<ffffffff81233af2>] >>>>>>>>>>>>>>>>>>> do_mount+0x1d2/0x1080 >>>>>>>>>>>>>>>>>>> [ 26.858122] [<ffffffff81234e46>] SyS_mount+0x66/0xb0 >>>>>>>>>>>>>>>>>>> [ 26.858124] [<ffffffff81a5761b>] >>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_fastpath+0x13/0x8f >>>>>>>>>>>>>>>>>>> [ 26.858128] Memory state around the buggy address: >>>>>>>>>>>>>>>>>>> [ 26.858130] ffff8801cbf55f80: fc fc fc fc fc fc fc fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc fc fc fc >>>>>>>>>>>>>>>>>>> [ 26.858131] ffff8801cbf56000: fc fc fc fc fc fc fc fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc fc fc fc >>>>>>>>>>>>>>>>>>> [ 26.858133] >ffff8801cbf56080: fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb fb fb fb >>>>>>>>>>>>>>>>>>> [ 26.858134] >>>>>>>>>>>>>>>>>>> ^ >>>>>>>>>>>>>>>>>>> [ 26.858135] ffff8801cbf56100: fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb fb fb fb >>>>>>>>>>>>>>>>>>> [ 26.858137] ffff8801cbf56180: fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb fb fb fb >>>>>>>>>>>>>>>>>>> [ 26.858137] >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> ================================================================== >>>>>>>>>>>>>>>>>>> [ 27.199941] reiser4: md127: using Hybrid Transaction >>>>>>>>>>>>>>>>>>> Model. >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> [33530.203469] reiser4[mount(11677)]: try_init_format40 >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> (fs/reiser4/plugin/disk_format/disk_format40.c:303)[vpf-1364]: >>>>>>>>>>>>>>>>>>> NOTICE: Warning: mounting md125 >>>>>>>>>>>>>>>>>>> with >>>>>>>>>>>>>>>>>>> fatal >>>>>>>>>>>>>>>>>>> errors, >>>>>>>>>>>>>>>>>>> forcing read-only mount. >>>>>>>>>>>>>>>>>>> [33530.203480] reiser4: md125: found disk format 4.0.1. >>>>>>>>>>>>>>>>>>> [33530.203564] >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> ================================================================== >>>>>>>>>>>>>>>>>>> [33530.203570] BUG: KASAN: use-after-free in >>>>>>>>>>>>>>>>>>> init_format_format40+0x401/0x750 at addr ffff88013164d810 >>>>>>>>>>>>>>>>>>> [33530.203571] Read of size 4 by task mount/11677 >>>>>>>>>>>>>>>>>>> [33530.203574] CPU: 0 PID: 11677 Comm: mount Tainted: G >>>>>>>>>>>>>>>>>>> B >>>>>>>>>>>>>>>>>>> 4.8.11-gentoo #3 >>>>>>>>>>>>>>>>>>> [33530.203575] Hardware name: Gigabyte Technology Co., >>>>>>>>>>>>>>>>>>> Ltd. >>>>>>>>>>>>>>>>>>> To >>>>>>>>>>>>>>>>>>> be >>>>>>>>>>>>>>>>>>> filled by O.E.M./B75-D3V, BIOS F5 07/04/2012 >>>>>>>>>>>>>>>>>>> [33530.203577] ffff88000e65ce80 ffff88000da87b28 >>>>>>>>>>>>>>>>>>> ffffffff81424185 >>>>>>>>>>>>>>>>>>> ffff8801d6000600 >>>>>>>>>>>>>>>>>>> [33530.203580] ffff88013164d7c0 ffff88000da87b50 >>>>>>>>>>>>>>>>>>> ffffffff811ff90c >>>>>>>>>>>>>>>>>>> ffff88000da87be0 >>>>>>>>>>>>>>>>>>> [33530.203582] ffff88013164d7c0 ffff88013164d7c0 >>>>>>>>>>>>>>>>>>> ffff88000da87bd0 >>>>>>>>>>>>>>>>>>> ffffffff811ffb79 >>>>>>>>>>>>>>>>>>> [33530.203585] Call Trace: >>>>>>>>>>>>>>>>>>> [33530.203588] [<ffffffff81424185>] dump_stack+0x4d/0x68 >>>>>>>>>>>>>>>>>>> [33530.203592] [<ffffffff811ff90c>] >>>>>>>>>>>>>>>>>>> kasan_object_err+0x1c/0x70 >>>>>>>>>>>>>>>>>>> [33530.203595] [<ffffffff811ffb79>] >>>>>>>>>>>>>>>>>>> kasan_report_error+0x1c9/0x4b0 >>>>>>>>>>>>>>>>>>> [33530.203597] [<ffffffff812a10cf>] ? zget+0xdf/0x3c0 >>>>>>>>>>>>>>>>>>> [33530.203600] [<ffffffff811ffef4>] >>>>>>>>>>>>>>>>>>> kasan_report+0x34/0x40 >>>>>>>>>>>>>>>>>>> [33530.203603] [<ffffffff81304b11>] ? >>>>>>>>>>>>>>>>>>> init_format_format40+0x401/0x750 >>>>>>>>>>>>>>>>>>> [33530.203605] [<ffffffff811ff601>] >>>>>>>>>>>>>>>>>>> __asan_load4+0x61/0x80 >>>>>>>>>>>>>>>>>>> [33530.203608] [<ffffffff81304b11>] >>>>>>>>>>>>>>>>>>> init_format_format40+0x401/0x750 >>>>>>>>>>>>>>>>>>> [33530.203610] [<ffffffff812c4f3a>] >>>>>>>>>>>>>>>>>>> fill_super+0x14a/0x300 >>>>>>>>>>>>>>>>>>> [33530.203613] [<ffffffff81209b6f>] >>>>>>>>>>>>>>>>>>> mount_bdev+0x1bf/0x200 >>>>>>>>>>>>>>>>>>> [33530.203615] [<ffffffff812c4df0>] ? >>>>>>>>>>>>>>>>>>> reiser4_mount+0x20/0x20 >>>>>>>>>>>>>>>>>>> [33530.203617] [<ffffffff812c4de0>] >>>>>>>>>>>>>>>>>>> reiser4_mount+0x10/0x20 >>>>>>>>>>>>>>>>>>> [33530.203620] [<ffffffff81209dfe>] mount_fs+0x2e/0xe0 >>>>>>>>>>>>>>>>>>> [33530.203622] [<ffffffff81231a96>] >>>>>>>>>>>>>>>>>>> vfs_kern_mount+0x66/0x190 >>>>>>>>>>>>>>>>>>> [33530.203625] [<ffffffff81233af2>] >>>>>>>>>>>>>>>>>>> do_mount+0x1d2/0x1080 >>>>>>>>>>>>>>>>>>> [33530.203627] [<ffffffff812337f1>] ? >>>>>>>>>>>>>>>>>>> copy_mount_options+0x111/0x220 >>>>>>>>>>>>>>>>>>> [33530.203629] [<ffffffff812337da>] ? >>>>>>>>>>>>>>>>>>> copy_mount_options+0xfa/0x220 >>>>>>>>>>>>>>>>>>> [33530.203631] [<ffffffff81234e46>] SyS_mount+0x66/0xb0 >>>>>>>>>>>>>>>>>>> [33530.203635] [<ffffffff81a5761b>] >>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_fastpath+0x13/0x8f >>>>>>>>>>>>>>>>>>> [33530.203637] Object at ffff88013164d7c0, in cache >>>>>>>>>>>>>>>>>>> kmalloc-512 >>>>>>>>>>>>>>>>>>> size: >>>>>>>>>>>>>>>>>>> 512 >>>>>>>>>>>>>>>>>>> [33530.203637] Allocated: >>>>>>>>>>>>>>>>>>> [33530.203638] PID = 11677 >>>>>>>>>>>>>>>>>>> [33530.203639] [<ffffffff8109f536>] >>>>>>>>>>>>>>>>>>> save_stack_trace+0x26/0x50 >>>>>>>>>>>>>>>>>>> [33530.203642] [<ffffffff811fe802>] >>>>>>>>>>>>>>>>>>> kasan_kmalloc.part.5+0x62/0xf0 >>>>>>>>>>>>>>>>>>> [33530.203645] [<ffffffff811ff018>] >>>>>>>>>>>>>>>>>>> kasan_kmalloc+0x78/0xa0 >>>>>>>>>>>>>>>>>>> [33530.203647] [<ffffffff813048bc>] >>>>>>>>>>>>>>>>>>> init_format_format40+0x1ac/0x750 >>>>>>>>>>>>>>>>>>> [33530.203650] [<ffffffff812c4f3a>] >>>>>>>>>>>>>>>>>>> fill_super+0x14a/0x300 >>>>>>>>>>>>>>>>>>> [33530.203652] [<ffffffff81209b6f>] >>>>>>>>>>>>>>>>>>> mount_bdev+0x1bf/0x200 >>>>>>>>>>>>>>>>>>> [33530.203654] [<ffffffff812c4de0>] >>>>>>>>>>>>>>>>>>> reiser4_mount+0x10/0x20 >>>>>>>>>>>>>>>>>>> [33530.203656] [<ffffffff81209dfe>] mount_fs+0x2e/0xe0 >>>>>>>>>>>>>>>>>>> [33530.203659] [<ffffffff81231a96>] >>>>>>>>>>>>>>>>>>> vfs_kern_mount+0x66/0x190 >>>>>>>>>>>>>>>>>>> [33530.203661] [<ffffffff81233af2>] >>>>>>>>>>>>>>>>>>> do_mount+0x1d2/0x1080 >>>>>>>>>>>>>>>>>>> [33530.203663] [<ffffffff81234e46>] SyS_mount+0x66/0xb0 >>>>>>>>>>>>>>>>>>> [33530.203665] [<ffffffff81a5761b>] >>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_fastpath+0x13/0x8f >>>>>>>>>>>>>>>>>>> [33530.203668] Freed: >>>>>>>>>>>>>>>>>>> [33530.203669] PID = 11677 >>>>>>>>>>>>>>>>>>> [33530.203669] [<ffffffff8109f536>] >>>>>>>>>>>>>>>>>>> save_stack_trace+0x26/0x50 >>>>>>>>>>>>>>>>>>> [33530.203671] [<ffffffff811feed7>] >>>>>>>>>>>>>>>>>>> kasan_slab_free+0xb7/0x180 >>>>>>>>>>>>>>>>>>> [33530.203674] [<ffffffff811fd67b>] kfree+0x6b/0x90 >>>>>>>>>>>>>>>>>>> [33530.203676] [<ffffffff81304b09>] >>>>>>>>>>>>>>>>>>> init_format_format40+0x3f9/0x750 >>>>>>>>>>>>>>>>>>> [33530.203679] [<ffffffff812c4f3a>] >>>>>>>>>>>>>>>>>>> fill_super+0x14a/0x300 >>>>>>>>>>>>>>>>>>> [33530.203681] [<ffffffff81209b6f>] >>>>>>>>>>>>>>>>>>> mount_bdev+0x1bf/0x200 >>>>>>>>>>>>>>>>>>> [33530.203683] [<ffffffff812c4de0>] >>>>>>>>>>>>>>>>>>> reiser4_mount+0x10/0x20 >>>>>>>>>>>>>>>>>>> [33530.203685] [<ffffffff81209dfe>] mount_fs+0x2e/0xe0 >>>>>>>>>>>>>>>>>>> [33530.203688] [<ffffffff81231a96>] >>>>>>>>>>>>>>>>>>> vfs_kern_mount+0x66/0x190 >>>>>>>>>>>>>>>>>>> [33530.203690] [<ffffffff81233af2>] >>>>>>>>>>>>>>>>>>> do_mount+0x1d2/0x1080 >>>>>>>>>>>>>>>>>>> [33530.203692] [<ffffffff81234e46>] SyS_mount+0x66/0xb0 >>>>>>>>>>>>>>>>>>> [33530.203694] [<ffffffff81a5761b>] >>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_fastpath+0x13/0x8f >>>>>>>>>>>>>>>>>>> [33530.203697] Memory state around the buggy address: >>>>>>>>>>>>>>>>>>> [33530.203699] ffff88013164d700: fc fc fc fc fc fc fc fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc >>>>>>>>>>>>>>>>>>> fc fc fc fc >>>>>>>>>>>>>>>>>>> [33530.203701] ffff88013164d780: fc fc fc fc fc fc fc fc >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb fb fb fb >>>>>>>>>>>>>>>>>>> [33530.203703] >ffff88013164d800: fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb fb fb fb >>>>>>>>>>>>>>>>>>> [33530.203703] ^ >>>>>>>>>>>>>>>>>>> [33530.203705] ffff88013164d880: fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb fb fb fb >>>>>>>>>>>>>>>>>>> [33530.203707] ffff88013164d900: fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb >>>>>>>>>>>>>>>>>>> fb fb fb fb >>>>>>>>>>>>>>>>>>> [33530.203707] >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> ================================================================== >>>>>>>>>>>>>>>>>>> [33533.485380] reiser4: md125: using Hybrid Transaction >>>>>>>>>>>>>>>>>>> Model. >>>>>>>>>>>>>>>>>>> -- >>>>>>>>>>>>>>>>>>> To unsubscribe from this list: send the line "unsubscribe >>>>>>>>>>>>>>>>>>> reiserfs-devel" >>>>>>>>>>>>>>>>>>> in >>>>>>>>>>>>>>>>>>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>>>>>>>>>>>>>>>>>> More majordomo info at >>>>>>>>>>>>>>>>>>> http://vger.kernel.org/majordomo-info.html >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> > -- To unsubscribe from this list: send the line "unsubscribe reiserfs-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
