Hello, syzbot found the following issue on: HEAD commit: 61307b7be41a Merge tag 'mm-stable-2024-05-17-19-19' of git.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13f55634980000 kernel config: https://syzkaller.appspot.com/x/.config?x=e7d2f006659b877 dashboard link: https://syzkaller.appspot.com/bug?extid=9c0539eda655673bdaa4 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10311eb2980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12e9f1dc980000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/0de598381836/disk-61307b7b.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/69ea7aec70a4/vmlinux-61307b7b.xz kernel image: https://storage.googleapis.com/syzbot-assets/07111fc20846/bzImage-61307b7b.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+9c0539eda655673bdaa4@xxxxxxxxxxxxxxxxxxxxxxxxx rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-...!: (7 ticks this GP) idle=5024/1/0x4000000000000000 softirq=8175/8175 fqs=0 rcu: (t=11029 jiffies g=8665 q=111 ncpus=2) rcu: rcu_preempt kthread starved for 11029 jiffies! g8665 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:28752 pid:17 tgid:17 ppid:2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5408 [inline] __schedule+0xf15/0x5d00 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6837 schedule_timeout+0x136/0x2a0 kernel/time/timer.c:2581 rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2000 rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2202 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> CPU: 0 PID: 4533 Comm: udevd Not tainted 6.9.0-syzkaller-09429-g61307b7be41a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194 Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 16 10 82 f6 48 89 df e8 fe 8c 82 f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 <bf> 01 00 00 00 e8 75 cd 73 f6 65 8b 05 06 1b 1a 75 85 c0 74 16 5b RSP: 0018:ffffc90000007a48 EFLAGS: 00000246 RAX: 0000000000000002 RBX: ffff888023414000 RCX: 1ffffffff285644e RDX: 0000000000000000 RSI: ffffffff8b2cab60 RDI: ffffffff8b8faa00 RBP: 0000000000000246 R08: 0000000000000001 R09: fffffbfff284be6a R10: ffffffff9425f357 R11: 0000000000000003 R12: ffff8880243de478 R13: ffff8880243de480 R14: dffffc0000000000 R15: ffff8880243de478 FS: 00007f58b93bdc80(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f58b9410d80 CR3: 000000007cfb8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] dummy_timer+0x1e16/0x3940 drivers/usb/gadget/udc/dummy_hcd.c:2001 call_timer_fn+0x1a0/0x610 kernel/time/timer.c:1792 expire_timers kernel/time/timer.c:1843 [inline] __run_timers+0x74b/0xaf0 kernel/time/timer.c:2417 __run_timer_base kernel/time/timer.c:2428 [inline] __run_timer_base kernel/time/timer.c:2421 [inline] run_timer_base+0x111/0x190 kernel/time/timer.c:2437 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2447 handle_softirqs+0x216/0x8f0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1043 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline] RIP: 0010:__slub_debug_enabled mm/slab.h:510 [inline] RIP: 0010:kmem_cache_debug_flags mm/slab.h:531 [inline] RIP: 0010:kmem_cache_debug mm/slub.c:230 [inline] RIP: 0010:__slab_free+0x39/0x4d0 mm/slub.c:4253 Code: 41 54 53 48 83 e4 f0 48 83 c4 80 48 89 54 24 08 48 8d 54 24 40 48 89 7c 24 30 48 89 d7 48 89 4c 24 10 b9 08 00 00 00 f3 48 ab <0f> 1f 44 00 00 48 c7 04 24 00 00 00 00 c6 44 24 3e 00 66 44 89 44 RSP: 0018:ffffc90003d27730 EFLAGS: 00000287 RAX: 0000000000000000 RBX: ffff888015442140 RCX: 0000000000000000 RDX: ffffc90003d27770 RSI: ffffea00008e5200 RDI: ffffc90003d277b0 RBP: ffffc90003d277e0 R08: 0000000000000001 R09: ffffffff81e9db49 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888078e4a000 R13: 0000000000000000 R14: ffffc90003d27828 R15: ffffea00008e5200 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4e/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x192/0x1e0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:322 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3940 [inline] slab_alloc_node mm/slub.c:4000 [inline] kmem_cache_alloc_node_noprof+0x153/0x310 mm/slub.c:4043 kmalloc_reserve+0x18b/0x2c0 net/core/skbuff.c:575 __alloc_skb+0x164/0x380 net/core/skbuff.c:666 alloc_skb include/linux/skbuff.h:1308 [inline] netlink_alloc_large_skb+0x69/0x130 net/netlink/af_netlink.c:1210 netlink_sendmsg+0x689/0xd70 net/netlink/af_netlink.c:1880 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0xab5/0xc90 net/socket.c:2585 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2639 __sys_sendmsg+0x117/0x1f0 net/socket.c:2668 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f58b8f24a4b Code: ff 89 ef 48 89 04 24 e8 22 56 f9 ff 48 8b 04 24 48 83 c4 20 5d c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6d 48 8b 15 ae c3 0c 00 f7 d8 64 89 02 48 83 RSP: 002b:00007ffe73c0e2d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00005610f4ae1240 RCX: 00007f58b8f24a4b RDX: 0000000000000000 RSI: 00007ffe73c0e2e8 RDI: 0000000000000004 RBP: 00005610f4b0e290 R08: 0000000000000001 R09: 3039abbe55c8e597 R10: 1999999999999999 R11: 0000000000000246 R12: 0000000000000000 R13: 00000000000000c4 R14: 0000000000000000 R15: 0000000000000000 </TASK> Mem-Info: active_anon:3729 inactive_anon:0 isolated_anon:0 active_file:0 inactive_file:15360 isolated_file:0 unevictable:768 dirty:3 writeback:0 slab_reclaimable:9244 slab_unreclaimable:79848 mapped:2131 shmem:1251 pagetables:547 sec_pagetables:0 bounce:0 kernel_misc_reclaimable:0 free:1491166 free_pcp:372 free_cma:0 Node 0 active_anon:14916kB inactive_anon:0kB active_file:0kB inactive_file:61364kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:8524kB dirty:8kB writeback:0kB shmem:3468kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:8496kB pagetables:2188kB sec_pagetables:0kB all_unreclaimable? no Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:76kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:4kB writeback:0kB shmem:1536kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:16kB pagetables:0kB sec_pagetables:0kB all_unreclaimable? no Node 0 DMA free:15360kB boost:0kB min:204kB low:252kB high:300kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2565 2567 0 0 Node 0 DMA32 free:1992068kB boost:0kB min:35052kB low:43812kB high:52572kB reserved_highatomic:0KB active_anon:14892kB inactive_anon:0kB active_file:0kB inactive_file:59552kB unevictable:1536kB writepending:8kB present:3129332kB managed:2654792kB mlocked:0kB bounce:0kB free_pcp:1456kB local_pcp:760kB free_cma:0kB lowmem_reserve[]: 0 0 1 0 0 Node 0 Normal free:28kB boost:0kB min:24kB low:28kB high:32kB reserved_highatomic:0KB active_anon:24kB inactive_anon:0kB active_file:0kB inactive_file:1812kB unevictable:0kB writepending:0kB present:1048576kB managed:1896kB mlocked:0kB bounce:0kB free_pcp:32kB local_pcp:8kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:3957208kB boost:0kB min:54828kB low:68532kB high:82236kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:76kB unevictable:1536kB writepending:4kB present:4194304kB managed:4109120kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15360kB Node 0 DMA32: 724*4kB (UM) 1149*8kB (UME) 213*16kB (UME) 15*32kB (UME) 5*64kB (E) 1*128kB (U) 3*256kB (ME) 1*512kB (U) 2*1024kB (ME) 1*2048kB (E) 481*4096kB (M) = 1991976kB Node 0 Normal: 1*4kB (M) 1*8kB (M) 1*16kB (M) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 28kB Node 1 Normal: 6*4kB (UM) 8*8kB (UM) 8*16kB (UM) 12*32kB (UM) 6*64kB (U) 2*128kB (U) 1*256kB (M) 2*512kB (UM) 0*1024kB 1*2048kB (U) 965*4096kB (M) = 3957208kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB 16611 total pagecache pages 0 pages in swap cache Free swap = 0kB Total swap = 0kB 2097051 pages RAM 0 pages HighMem/MovableOnly 401759 pages reserved 0 pages cma reserved Mem-Info: active_anon:3734 inactive_anon:0 isolated_anon:0 active_file:0 inactive_file:15360 isolated_file:0 unevictable:768 dirty:0 writeback:0 slab_reclaimable:9186 slab_unreclaimable:79492 mapped:2131 shmem:1229 pagetables:570 sec_pagetables:0 bounce:0 kernel_misc_reclaimable:0 free:1491784 free_pcp:96 free_cma:0 Node 0 active_anon:14936kB inactive_anon:0kB active_file:0kB inactive_file:61364kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:8524kB dirty:0kB writeback:0kB shmem:3380kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:8624kB pagetables:2280kB sec_pagetables:0kB all_unreclaimable? no Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:76kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:16kB pagetables:0kB sec_pagetables:0kB all_unreclaimable? no Node 0 DMA free:15360kB boost:0kB min:204kB low:252kB high:300kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2565 2567 0 0 Node 0 DMA32 free:1994540kB boost:0kB min:35052kB low:43812kB high:52572kB reserved_highatomic:0KB active_anon:14912kB inactive_anon:0kB active_file:0kB inactive_file:59552kB unevictable:1536kB writepending:0kB present:3129332kB managed:2654792kB mlocked:0kB bounce:0kB free_pcp:352kB local_pcp:160kB free_cma:0kB lowmem_reserve[]: 0 0 1 0 0 Node 0 Normal free:28kB boost:0kB min:24kB low:28kB high:32kB reserved_highatomic:0KB active_anon:24kB inactive_anon:0kB active_file:0kB inactive_file:1812kB unevictable:0kB writepending:0kB present:1048576kB managed:1896kB mlocked:0kB bounce:0kB free_pcp:32kB local_pcp:8kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:3957208kB boost:0kB min:54828kB low:68532kB high:82236kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:76kB unevictable:1536kB writepending:0kB present:4194304kB managed:4109120kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15360kB Node 0 DMA32: 815*4kB (UM) 1206*8kB (UME) 56*16kB (UME) 58*32kB (UME) 49*64kB (UME) 3*128kB (UM) 2*256kB (ME) 1*512kB (U) 2*1024kB (ME) 1*2048kB (E) 481*4096kB (M) = 1994476kB Node 0 Normal: 1*4kB (M) 1*8kB (M) 1*16kB (M) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 28kB Node 1 Normal: 6*4kB (UM) 8*8kB (UM) 8*16kB (UM) 12*32kB (UM) 6*64kB (U) 2*128kB (U) 1*256kB (M) 2*512kB (UM) 0*1024kB 1*2048kB (U) 965*4096kB (M) = 3957208kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB 16589 total pagecache pages 0 pages in swap cache Free swap = 0kB Total swap = 0kB 2097051 pages RAM 0 pages HighMem/MovableOnly 401759 pages reserved 0 pages cma reserved Mem-Info: active_anon:3734 inactive_anon:0 isolated_anon:0 active_file:0 inactive_file:15360 isolated_file:0 unevictable:768 dirty:0 writeback:0 slab_reclaimable:9186 slab_unreclaimable:79492 mapped:2131 shmem:1229 pagetables:570 sec_pagetables:0 bounce:0 kernel_misc_reclaimable:0 free:1491583 free_pcp:285 free_cma:0 Node 0 active_anon:14936kB inactive_anon:0kB active_file:0kB inactive_file:61364kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:8524kB dirty:0kB writeback:0kB shmem:3380kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:8652kB pagetables:2280kB sec_pagetables:0kB all_unreclaimable? no Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:76kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:16kB pagetables:0kB sec_pagetables:0kB all_unreclaimable? no Node 0 DMA free:15360kB boost:0kB min:204kB low:252kB high:300kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2565 2567 0 0 Node 0 DMA32 free:1993736kB boost:0kB min:35052kB low:43812kB high:52572kB reserved_highatomic:0KB active_anon:14912kB inactive_anon:0kB active_file:0kB inactive_file:59552kB unevictable:1536kB writepending:0kB present:3129332kB managed:2654792kB mlocked:0kB bounce:0kB free_pcp:1108kB local_pcp:916kB free_cma:0kB lowmem_reserve[]: 0 0 1 0 0 Node 0 Normal free:28kB boost:0kB min:24kB low:28kB high:32kB reserved_highatomic:0KB active_anon:24kB inactive_anon:0kB active_file:0kB inactive_file:1812kB unevictable:0kB writepending:0kB present:1048576kB managed:1896kB mlocked:0kB bounce:0kB free_pcp:32kB local_pcp:8kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:3957208kB boost:0kB min:54828kB low:68532kB high:82236kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:76kB unevictable:1536kB writepending:0kB present:4194304kB managed:4109120kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15360kB Node 0 DMA32: 654*4kB (UM) 1192*8kB (UME) 56*16kB (UME) 58*32kB (UME) 49*64kB (UME) 3*128kB (UM) 2*256kB (ME) 1*512kB (U) 2*1024kB (ME) 1*2048kB (E) 481*4096kB (M) = 1993720kB Node 0 Normal: 1*4kB (M) 1*8kB (M) 1*16kB (M) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 28kB Node 1 Normal: 6*4kB (UM) 8*8kB (UM) 8*16kB (UM) 12*32kB (UM) 6*64kB (U) 2*128kB (U) 1*256kB (M) 2*512kB (UM) 0*1024kB 1*2048kB (U) 965*4096kB (M) = 3957208kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB 16589 total pagecache pages 0 pages in swap cache Free swap = 0kB Total swap = 0kB 2097051 pages RAM 0 pages HighMem/MovableOnly 401759 pages reserved 0 pages cma reserved Mem-Info: active_anon:3721 inactive_anon:0 isolated_anon:0 active_file:0 inactive_file:15360 isolated_file:0 unevictable:768 dirty:0 writeback:0 slab_reclaimable:9222 slab_unreclaimable:79492 mapped:2131 shmem:1239 pagetables:556 sec_pagetables:0 bounce:0 kernel_misc_reclaimable:0 free:1491351 free_pcp:502 free_cma:0 Node 0 active_anon:14884kB inactive_anon:0kB active_file:0kB inactive_file:61364kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:8524kB dirty:0kB writeback:0kB shmem:3420kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:8624kB pagetables:2224kB sec_pagetables:0kB all_unreclaimable? no Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:76kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:16kB pagetables:0kB sec_pagetables:0kB all_unreclaimable? no Node 0 DMA free:15360kB boost:0kB min:204kB low:252kB high:300kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2565 2567 0 0 Node 0 DMA32 free:1992808kB boost:0kB min:35052kB low:43812kB high:52572kB reserved_highatomic:0KB active_anon:14860kB inactive_anon:0kB active_file:0kB inactive_file:59552kB unevictable:1536kB writepending:0kB present:3129332kB managed:2654792kB mlocked:0kB bounce:0kB free_pcp:1976kB local_pcp:1008kB free_cma:0kB lowmem_reserve[]: 0 0 1 0 0 Node 0 Normal free:28kB boost:0kB min:24kB low:28kB high:32kB reserved_highatomic:0KB active_anon:24kB inactive_anon:0kB active_file:0kB inactive_file:1812kB unevictable:0kB writepending:0kB present:1048576kB managed:1896kB mlocked:0kB bounce:0kB free_pcp:32kB local_pcp:8kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:3957208kB boost:0kB min:54828kB low:68532kB high:82236kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:76kB unevictable:1536kB writepending:0kB present:4194304kB managed:4109120kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15360kB Node 0 DMA32: 638*4kB (UM) 1185*8kB (UE) 13*16kB (UM) 62*32kB (UE) 49*64kB (UME) 3*128kB (UM) 1*256kB (E) 1*512kB (U) 2*1024kB (ME) 1*2048kB (E) 481*4096kB (M) = 1992784kB Node 0 Normal: 1*4kB (M) 1*8kB (M) 1*16kB (M) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 28kB Node 1 Normal: 6*4kB (UM) 8*8kB (UM) 8*16kB (UM) 12*32kB (UM) 6*64kB (U) 2*128kB (U) 1*256kB (M) 2*512kB (UM) 0*1024kB 1*2048kB (U) 965*4096kB (M) = 3957208kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB 16599 total pagecache pages 0 pages in swap cache Free swap = 0kB Total swap = 0kB 2097051 pages RAM 0 pages HighMem/MovableOnly 401759 pages reserved 0 pages cma reserved Mem-Info: active_anon:3748 inactive_anon:0 isolated_anon:0 active_file:0 inactive_file:15360 isolated_file:0 unevictable:768 dirty:0 writeback:0 slab_reclaimable:9238 slab_unreclaimable:79752 mapped:2131 shmem:1237 pagetables:570 sec_pagetables:0 bounce:0 kernel_misc_reclaimable:0 free:1491436 free_pcp:153 free_cma:0 Node 0 active_anon:14992kB inactive_anon:0kB active_file:0kB inactive_file:61364kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:8524kB dirty:0kB writeback:0kB shmem:3412kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:8624kB pagetables:2280kB sec_pagetables:0kB all_unreclaimable? no Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:76kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:16kB pagetables:0kB sec_pagetables:0kB all_unreclaimable? no Node 0 DMA free:15360kB boost:0kB min:204kB low:252kB high:300kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2565 2567 0 0 Node 0 DMA32 free:1993148kB boost:0kB min:35052kB low:43812kB high:52572kB reserved_highatomic:0KB active_anon:14968kB inactive_anon:0kB active_file:0kB inactive_file:59552kB unevictable:1536kB writepending:0kB present:3129332kB managed:2654792kB mlocked:0kB bounce:0kB free_pcp:580kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 1 0 0 Node 0 Normal free:28kB boost:0kB min:24kB low:28kB high:32kB reserved_highatomic:0KB active_anon:24kB inactive_anon:0kB active_file:0kB inactive_file:1812kB unevictable:0kB writepending:0kB present:1048576kB managed:1896kB mlocked:0kB bounce:0kB free_pcp:32kB local_pcp:8kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:3957208kB boost:0kB min:54828kB low:68532kB high:82236kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:76kB unevictable:1536kB writepending:0kB present:4194304kB managed:4109120kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15360kB Node 0 DMA32: 975*4kB (UM) 1198*8kB (UME) 281*16kB (UE) 30*32kB (UME) 6*64kB (UE) 2*128kB (UM) 3*256kB (UME) 1*512kB (U) 2*1024kB (ME) 2*2048kB (UE) 480*4096kB (M) = 1993084kB Node 0 Normal: 1*4kB (M) 1*8kB (M) 1*16kB (M) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 28kB Node 1 Normal: 6*4kB (UM) 8*8kB (UM) 8*16kB (UM) 12*32kB (UM) 6*64kB (U) 2*128kB (U) 1*256kB (M) 2*512kB (UM) 0*1024kB 1*2048kB (U) 965*4096kB (M) = 3957208kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB 16597 total pagecache pages 0 pages in swap cache Free swap = 0kB Total swap = 0kB 2097051 pages RAM 0 pages HighMem/MovableOnly 401759 pages reserved 0 pages cma reserved --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
