On Thu, 14 Jan 2021 at 18:56, Christian König <christian.koenig@xxxxxxx> wrote: > Unfortunately not of hand. > > I also don't see any bug reports from other people and can't reproduce > the last backtrace you send out TTM here. Because only the most desperate will install kernels with enabled debug flags and then load the system by opening a huge number of programs and tabs. So you shouldn't be surprised that I'm the only one here. This is what my desktop looks like every day: https://imgur.com/a/Kxlmrem > Do you have any local modifications or special setup in your system? > Like bpf scripts or something like that? No, my I didn't write any bpf scripts, but looks like my distribution Fedora Rawhide uses some bpf scripts by default out of box: # bpftool prog 20: cgroup_device tag 40ddf486530245f5 gpl loaded_at 2021-01-15T01:30:04+0500 uid 0 xlated 504B jited 309B memlock 4096B 21: cgroup_skb tag 6deef7357e7b4530 gpl loaded_at 2021-01-15T01:30:04+0500 uid 0 xlated 64B jited 54B memlock 4096B 22: cgroup_skb tag 6deef7357e7b4530 gpl loaded_at 2021-01-15T01:30:04+0500 uid 0 xlated 64B jited 54B memlock 4096B 23: cgroup_device tag ca8e50a3c7fb034b gpl loaded_at 2021-01-15T01:30:05+0500 uid 0 xlated 496B jited 307B memlock 4096B 24: cgroup_skb tag 6deef7357e7b4530 gpl loaded_at 2021-01-15T01:30:05+0500 uid 0 xlated 64B jited 54B memlock 4096B 25: cgroup_skb tag 6deef7357e7b4530 gpl loaded_at 2021-01-15T01:30:05+0500 uid 0 xlated 64B jited 54B memlock 4096B 26: cgroup_device tag be31ae23198a0378 gpl loaded_at 2021-01-15T01:30:13+0500 uid 0 xlated 464B jited 288B memlock 4096B 27: cgroup_device tag ee0e253c78993a24 gpl loaded_at 2021-01-15T01:30:13+0500 uid 0 xlated 416B jited 255B memlock 4096B 28: cgroup_device tag 438c5618576e5b0c gpl loaded_at 2021-01-15T01:30:13+0500 uid 0 xlated 568B jited 354B memlock 4096B 29: cgroup_skb tag 6deef7357e7b4530 gpl loaded_at 2021-01-15T01:30:13+0500 uid 0 xlated 64B jited 54B memlock 4096B 30: cgroup_skb tag 6deef7357e7b4530 gpl loaded_at 2021-01-15T01:30:13+0500 uid 0 xlated 64B jited 54B memlock 4096B 31: cgroup_skb tag 6deef7357e7b4530 gpl loaded_at 2021-01-15T01:30:13+0500 uid 0 xlated 64B jited 54B memlock 4096B 32: cgroup_skb tag 6deef7357e7b4530 gpl loaded_at 2021-01-15T01:30:13+0500 uid 0 xlated 64B jited 54B memlock 4096B 33: cgroup_skb tag 6deef7357e7b4530 gpl loaded_at 2021-01-15T01:30:14+0500 uid 0 xlated 64B jited 54B memlock 4096B 34: cgroup_skb tag 6deef7357e7b4530 gpl loaded_at 2021-01-15T01:30:14+0500 uid 0 xlated 64B jited 54B memlock 4096B 35: cgroup_device tag ee0e253c78993a24 gpl loaded_at 2021-01-15T01:30:14+0500 uid 0 xlated 416B jited 255B memlock 4096B 38: cgroup_device tag 3a0ef5414c2f6fca gpl loaded_at 2021-01-15T01:30:14+0500 uid 0 xlated 744B jited 447B memlock 4096B 39: cgroup_skb tag 6deef7357e7b4530 gpl loaded_at 2021-01-15T01:30:14+0500 uid 0 xlated 64B jited 54B memlock 4096B 40: cgroup_skb tag 6deef7357e7b4530 gpl loaded_at 2021-01-15T01:30:14+0500 uid 0 xlated 64B jited 54B memlock 4096B 41: cgroup_device tag ee0e253c78993a24 gpl loaded_at 2021-01-15T01:30:18+0500 uid 0 xlated 416B jited 255B memlock 4096B 42: cgroup_skb tag 6deef7357e7b4530 gpl loaded_at 2021-01-15T01:30:18+0500 uid 0 xlated 64B jited 54B memlock 4096B 43: cgroup_skb tag 6deef7357e7b4530 gpl loaded_at 2021-01-15T01:30:18+0500 uid 0 xlated 64B jited 54B memlock 4096B I catched yet another couples of leaks , but nothing new: https://pastebin.com/2EgvYJdz [1] do_detailed_mode+0x7c1/0x13d0 [drm] [2] drm_mode_duplicate+0x45/0x220 [drm] [3] do_seccomp+0x215/0x2280 [4] __vmalloc_node_range+0x464/0x7b0 [5] bpf_prog_alloc_no_stats+0xa2/0x2b0 [6] bpf_prog_store_orig_filter+0x7b/0x1c0 [7] kmemdup+0x1a/0x40 Did the following trace message confuse anyone? ================================================================== BUG: KASAN: slab-out-of-bounds in kfd_create_crat_image_virtual+0x12d2/0x1380 [amdgpu] Read of size 1 at addr ffff88812a6b4181 by task systemd-udevd/491 CPU: 20 PID: 491 Comm: systemd-udevd Not tainted 5.11.0-0.rc3.20210114git65f0d2414b70.125.fc34.x86_64 #1 Hardware name: System manufacturer System Product Name/ROG STRIX X570-I GAMING, BIOS 2802 10/21/2020 Call Trace: dump_stack+0xae/0xe5 print_address_description.constprop.0+0x18/0x160 ? kfd_create_crat_image_virtual+0x12d2/0x1380 [amdgpu] kasan_report.cold+0x7f/0x10e ? kfd_create_crat_image_virtual+0x12d2/0x1380 [amdgpu] kfd_create_crat_image_virtual+0x12d2/0x1380 [amdgpu] ? kfd_create_crat_image_acpi+0x340/0x340 [amdgpu] ? __raw_spin_lock_init+0x39/0x110 kfd_topology_init+0x2ac/0x400 [amdgpu] ? kfd_create_topology_device+0x320/0x320 [amdgpu] ? __class_register+0x2ad/0x430 ? __class_create+0xc5/0x130 kgd2kfd_init+0x95/0xf0 [amdgpu] amdgpu_amdkfd_init+0x7f/0xb0 [amdgpu] ? smuio_v11_0_update_rom_clock_gating+0x1d0/0x1d0 [amdgpu] ? record_print_text.cold+0x11/0x11 ? kmem_cache_create_usercopy+0x25c/0x310 amdgpu_init+0x59/0x1000 [amdgpu] ? 0xffffffffc1f12000 do_one_initcall+0xfb/0x530 ? perf_trace_initcall_level+0x3d0/0x3d0 ? __memset+0x29/0x30 ? unpoison_range+0x3a/0x60 do_init_module+0x1ce/0x7a0 load_module+0x9841/0xa380 ? module_frob_arch_sections+0x20/0x20 ? lockdep_hardirqs_on_prepare+0x3e0/0x3e0 ? sched_clock_cpu+0x18/0x170 ? irqtime_account_irq+0x44/0x1e0 ? sched_clock+0x5/0x10 ? lock_acquire+0x2dd/0x7a0 ? sched_clock+0x5/0x10 ? lock_is_held_type+0xb8/0xf0 ? __do_sys_init_module+0x18b/0x220 __do_sys_init_module+0x18b/0x220 ? load_module+0xa380/0xa380 ? ktime_get_coarse_real_ts64+0x12f/0x160 do_syscall_64+0x33/0x40 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fc22aecaeee Code: 48 8b 0d 85 1f 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 af 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 52 1f 0c 00 f7 d8 64 89 01 48 RSP: 002b:00007ffc62d60e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000af RAX: ffffffffffffffda RBX: 0000560489080060 RCX: 00007fc22aecaeee RDX: 0000560489080f70 RSI: 0000000001e2e8f6 RDI: 00007fc226471010 RBP: 00007fc226471010 R08: 000056048907d470 R09: 00007ffc62d5d606 R10: 00005601e94f449d R11: 0000000000000246 R12: 0000560489080f70 R13: 000056048907c9b0 R14: 0000000000000000 R15: 00005604890814e0 Allocated by task 491: kasan_save_stack+0x1b/0x40 ____kasan_kmalloc.constprop.0+0x84/0xa0 kfd_create_crat_image_virtual+0x13b/0x1380 [amdgpu] kfd_topology_init+0x2ac/0x400 [amdgpu] kgd2kfd_init+0x95/0xf0 [amdgpu] amdgpu_amdkfd_init+0x7f/0xb0 [amdgpu] amdgpu_init+0x59/0x1000 [amdgpu] do_one_initcall+0xfb/0x530 do_init_module+0x1ce/0x7a0 load_module+0x9841/0xa380 __do_sys_init_module+0x18b/0x220 do_syscall_64+0x33/0x40 entry_SYSCALL_64_after_hwframe+0x44/0xa9 The buggy address belongs to the object at ffff88812a6b4100 which belongs to the cache kmalloc-128 of size 128 The buggy address is located 1 bytes to the right of 128-byte region [ffff88812a6b4100, ffff88812a6b4180) The buggy address belongs to the page: page:00000000edb67e0c refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12a6b4 flags: 0x17ffffc0000200(slab) raw: 0017ffffc0000200 ffffea000406a140 0000000500000005 ffff888100041640 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff88812a6b4080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88812a6b4100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff88812a6b4180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff88812a6b4200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88812a6b4280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== Disabling lock debugging due to kernel taint Full kernel log: https://pastebin.com/bUiXRVYw Kernel build options: https://pastebin.com/v3zsC03i -- Best Regards, Mike Gavrilov. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
