./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1715892951
<...>
Warning: Permanently added '10.128.0.241' (ECDSA) to the list of known hosts.
execve("./syz-executor1715892951", ["./syz-executor1715892951"], 0x7fffd83b4140 /* 10 vars */) = 0
brk(NULL) = 0x555556041000
brk(0x555556041c40) = 0x555556041c40
arch_prctl(ARCH_SET_FS, 0x555556041300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor1715892951", 4096) = 28
brk(0x555556062c40) = 0x555556062c40
brk(0x555556063000) = 0x555556063000
mprotect(0x7f2a7b3e2000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5078 attached
, child_tidptr=0x5555560415d0) = 5078
[pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5078] setpgid(0, 0) = 0
[pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5078] write(3, "1000", 4) = 4
[pid 5078] close(3) = 0
[pid 5078] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_WRONLY|O_NOCTTY|O_SYNC|O_NOATIME) = 3
[pid 5078] dup(3) = 4
[pid 5078] io_uring_setup(1496, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 5
[pid 5078] mmap(0x20ee8000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 5, 0) = 0x20ee8000
[pid 5078] mmap(0x20ffe000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 5, 0x10000000) = 0x20ffe000
[pid 5078] io_uring_enter(5, 17678, 0, 0, NULL, 0) = 1
[pid 5078] write(4, "\x30\x80\xee\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x6e\x64\x2f\x6d\x69\x64\x69\x43\x23\x44\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966572) = 4096
[pid 5078] exit_group(0) = ?
[pid 5078] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5078, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5079 attached
, child_tidptr=0x5555560415d0) = 5079
[pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5079] setpgid(0, 0) = 0
[pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5079] write(3, "1000", 4) = 4
[pid 5079] close(3) = 0
[pid 5079] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_WRONLY|O_NOCTTY|O_SYNC|O_NOATIME) = 3
[pid 5079] dup(3) = 4
[pid 5079] io_uring_setup(1496, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 5
[pid 5079] mmap(0x20ee8000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 5, 0) = 0x20ee8000
[pid 5079] mmap(0x20ffe000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 5, 0x10000000) = 0x20ffe000
[pid 5079] io_uring_enter(5, 17678, 0, 0, NULL, 0) = 1
[pid 5079] write(4, "\x30\x80\xee\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x6e\x64\x2f\x6d\x69\x64\x69\x43\x23\x44\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966572) = 4096
[pid 5079] exit_group(0) = ?
[pid 5079] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560415d0) = 5080
./strace-static-x86_64: Process 5080 attached
[pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5080] setpgid(0, 0) = 0
[pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5080] write(3, "1000", 4) = 4
[pid 5080] close(3) = 0
[pid 5080] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_WRONLY|O_NOCTTY|O_SYNC|O_NOATIME) = 3
[pid 5080] dup(3) = 4
[pid 5080] io_uring_setup(1496, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 5
[pid 5080] mmap(0x20ee8000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 5, 0) = 0x20ee8000
[pid 5080] mmap(0x20ffe000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 5, 0x10000000) = 0x20ffe000
[pid 5080] io_uring_enter(5, 17678, 0, 0, NULL, 0) = 1
[pid 5080] write(4, "\x30\x80\xee\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x6e\x64\x2f\x6d\x69\x64\x69\x43\x23\x44\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294966572) = 4096
[pid 5080] exit_group(0) = ?
syzkaller login: [ 54.244796][ T5080] ==================================================================
[ 54.252890][ T5080] BUG: KASAN: use-after-free in io_fallback_tw+0x6d/0x119
[ 54.260023][ T5080] Read of size 8 at addr ffff888074d29448 by task syz-executor171/5080
[ 54.268283][ T5080]
[ 54.270597][ T5080] CPU: 0 PID: 5080 Comm: syz-executor171 Not tainted 6.2.0-rc3-next-20230112-syzkaller #0
[ 54.280486][ T5080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 54.290553][ T5080] Call Trace:
[ 54.293836][ T5080]
[ 54.296771][ T5080] dump_stack_lvl+0xd1/0x138
[ 54.301379][ T5080] print_report+0x15e/0x45d
[ 54.305891][ T5080] ? __phys_addr+0xc8/0x140
[ 54.310422][ T5080] ? io_fallback_tw+0x6d/0x119
[ 54.315203][ T5080] kasan_report+0xc0/0xf0
[ 54.319551][ T5080] ? io_fallback_tw+0x6d/0x119
[ 54.324332][ T5080] io_fallback_tw+0x6d/0x119
[ 54.328934][ T5080] tctx_task_work.cold+0xf/0x2c
[ 54.333807][ T5080] ? handle_tw_list+0x460/0x460
[ 54.338676][ T5080] ? lock_downgrade+0x6e0/0x6e0
[ 54.343539][ T5080] ? do_raw_spin_lock+0x124/0x2b0
[ 54.348580][ T5080] ? rwlock_bug.part.0+0x90/0x90
[ 54.353529][ T5080] ? _raw_spin_unlock_irq+0x23/0x50
[ 54.358754][ T5080] task_work_run+0x16f/0x270
[ 54.363367][ T5080] ? task_work_cancel+0x30/0x30
[ 54.368239][ T5080] ? do_raw_spin_unlock+0x175/0x230
[ 54.373456][ T5080] do_exit+0xb17/0x2a90
[ 54.377635][ T5080] ? lock_downgrade+0x6e0/0x6e0
[ 54.382497][ T5080] ? do_raw_spin_lock+0x124/0x2b0
[ 54.387531][ T5080] ? mm_update_next_owner+0x7b0/0x7b0
[ 54.392953][ T5080] ? rwlock_bug.part.0+0x90/0x90
[ 54.397904][ T5080] ? _raw_spin_unlock_irq+0x23/0x50
[ 54.403126][ T5080] do_group_exit+0xd4/0x2a0
[ 54.407651][ T5080] __x64_sys_exit_group+0x3e/0x50
[ 54.412688][ T5080] do_syscall_64+0x39/0xb0
[ 54.417118][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 54.423029][ T5080] RIP: 0033:0x7f2a7b3741c9
[ 54.427447][ T5080] Code: Unable to access opcode bytes at 0x7f2a7b37419f.
[ 54.434465][ T5080] RSP: 002b:00007ffeefb07848 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 54.442888][ T5080] RAX: ffffffffffffffda RBX: 00007f2a7b3e8350 RCX: 00007f2a7b3741c9
[ 54.450869][ T5080] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 54.458847][ T5080] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000
[ 54.466825][ T5080] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2a7b3e8350
[ 54.474803][ T5080] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[ 54.482793][ T5080]
[ 54.485813][ T5080]
[ 54.488134][ T5080] Allocated by task 5080:
[ 54.492458][ T5080] kasan_save_stack+0x22/0x40
[ 54.497149][ T5080] kasan_set_track+0x25/0x30
[ 54.501747][ T5080] __kasan_slab_alloc+0x7f/0x90
[ 54.506606][ T5080] kmem_cache_alloc_bulk+0x3aa/0x730
[ 54.511901][ T5080] __io_alloc_req_refill+0xcc/0x40b
[ 54.517113][ T5080] io_submit_sqes.cold+0x7c/0xc2
[ 54.522063][ T5080] __do_sys_io_uring_enter+0x9e4/0x2c10
[ 54.527629][ T5080] do_syscall_64+0x39/0xb0
[ 54.532063][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 54.537976][ T5080]
[ 54.540298][ T5080] Freed by task 9:
[ 54.544017][ T5080] kasan_save_stack+0x22/0x40
[ 54.548706][ T5080] kasan_set_track+0x25/0x30
[ 54.553310][ T5080] kasan_save_free_info+0x2e/0x40
[ 54.558345][ T5080] ____kasan_slab_free+0x160/0x1c0
[ 54.563466][ T5080] slab_free_freelist_hook+0x8b/0x1c0
[ 54.568842][ T5080] kmem_cache_free+0xec/0x4e0
[ 54.573528][ T5080] io_req_caches_free+0x1a9/0x1e6
[ 54.578561][ T5080] io_ring_exit_work+0x2e7/0xc80
[ 54.583509][ T5080] process_one_work+0x9bf/0x1750
[ 54.588457][ T5080] worker_thread+0x669/0x1090
[ 54.593146][ T5080] kthread+0x2e8/0x3a0
[ 54.597220][ T5080] ret_from_fork+0x1f/0x30
[ 54.601658][ T5080]
[ 54.603979][ T5080] The buggy address belongs to the object at ffff888074d293c0
[ 54.603979][ T5080] which belongs to the cache io_kiocb of size 216
[ 54.617780][ T5080] The buggy address is located 136 bytes inside of
[ 54.617780][ T5080] 216-byte region [ffff888074d293c0, ffff888074d29498)
[ 54.631147][ T5080]
[ 54.633476][ T5080] The buggy address belongs to the physical page:
[ 54.639883][ T5080] page:ffffea0001d34a40 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x74d29
[ 54.650042][ T5080] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
[ 54.657597][ T5080] raw: 00fff00000000200 ffff8881462b0780 dead000000000122 0000000000000000
[ 54.666187][ T5080] raw: 0000000000000000 00000000800c000c 00000001ffffffff 0000000000000000
[ 54.674854][ T5080] page dumped because: kasan: bad access detected
[ 54.681268][ T5080] page_owner tracks the page as allocated
[ 54.686976][ T5080] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 5080, tgid 5080 (syz-executor171), ts 54242195435, free_ts 54232073166
[ 54.705571][ T5080] get_page_from_freelist+0x11bb/0x2d50
[ 54.711137][ T5080] __alloc_pages+0x1cb/0x5c0
[ 54.715741][ T5080] alloc_pages+0x1aa/0x270
[ 54.720167][ T5080] allocate_slab+0x25f/0x350
[ 54.724767][ T5080] ___slab_alloc+0xa91/0x1400
[ 54.729448][ T5080] kmem_cache_alloc_bulk+0x23d/0x730
[ 54.734743][ T5080] __io_alloc_req_refill+0xcc/0x40b
[ 54.739959][ T5080] io_submit_sqes.cold+0x7c/0xc2
[ 54.744907][ T5080] __do_sys_io_uring_enter+0x9e4/0x2c10
[ 54.750466][ T5080] do_syscall_64+0x39/0xb0
[ 54.754889][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 54.760798][ T5080] page last free stack trace:
[ 54.765465][ T5080] free_pcp_prepare+0x4d0/0x910
[ 54.770327][ T5080] free_unref_page_list+0x176/0xcd0
[ 54.775541][ T5080] release_pages+0xcb1/0x1330
[ 54.780245][ T5080] tlb_batch_pages_flush+0xa8/0x1a0
[ 54.785465][ T5080] tlb_finish_mmu+0x14b/0x7e0
[ 54.790162][ T5080] exit_mmap+0x202/0x7c0
[ 54.794418][ T5080] __mmput+0x128/0x4c0
[ 54.798497][ T5080] mmput+0x60/0x70
[ 54.802225][ T5080] do_exit+0x9ac/0x2a90
[ 54.806400][ T5080] do_group_exit+0xd4/0x2a0
[ 54.810921][ T5080] __x64_sys_exit_group+0x3e/0x50
[ 54.816034][ T5080] do_syscall_64+0x39/0xb0
[ 54.820460][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 54.826373][ T5080]
[ 54.828706][ T5080] Memory state around the buggy address:
[ 54.834339][ T5080] ffff888074d29300: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
[ 54.842407][ T5080] ffff888074d29380: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
[ 54.850498][ T5080] >ffff888074d29400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 54.858564][ T5080] ^
[ 54.864981][ T5080] ffff888074d29480: fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 54.873054][ T5080] ffff888074d29500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 54.881119][ T5080] ==================================================================
[ 54.889642][ T5080] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 54.890395][ T4773] general protection fault, probably for non-canonical address 0xe0e41c2be000000c: 0000 [#1] PREEMPT SMP KASAN
[ 54.890421][ T4773] KASAN: maybe wild-memory-access in range [0x0721015f00000060-0x0721015f00000067]
[ 54.890440][ T4773] CPU: 0 PID: 4773 Comm: kworker/0:3 Not tainted 6.2.0-rc3-next-20230112-syzkaller #0
[ 54.890466][ T4773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 54.890480][ T4773] Workqueue: events io_fallback_req_func
[ 54.890513][ T4773] RIP: 0010:__lock_acquire+0xd83/0x5660
[ 54.890543][ T4773] Code: 3d 0f 41 bf 01 00 00 00 0f 86 c8 00 00 00 89 05 53 f6 3d 0f e9 bd 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 e6 30 00 00 49 81 3e 60 b6 f8 8f 0f 84 4c f3 ff
[ 54.890567][ T4773] RSP: 0018:ffffc900038bf8f8 EFLAGS: 00010006
[ 54.890585][ T4773] RAX: dffffc0000000000 RBX: 1ffff92000717f4d RCX: 0000000000000000
[ 54.890602][ T4773] RDX: 00e4202be000000c RSI: 0000000000000000 RDI: 0000000000000001
[ 54.890618][ T4773] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
[ 54.890633][ T4773] R10: fffffbfff1ce78da R11: 1ffffffff2148ce1 R12: 0000000000000000
[ 54.890649][ T4773] R13: ffff888026cf9d40 R14: 0721015f00000063 R15: 0000000000000000
[ 54.890665][ T4773] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 54.890697][ T4773] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 54.890715][ T4773] CR2: 00007f2a7b3e91f0 CR3: 000000002a279000 CR4: 00000000003506f0
[ 54.890732][ T4773] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 54.890746][ T4773] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 54.890762][ T4773] Call Trace:
[ 54.890768][ T4773]
[ 54.890780][ T4773] ? ret_from_fork+0x1f/0x30
[ 54.890814][ T4773] ? lockdep_hardirqs_on_prepare+0x410/0x410
[ 54.890841][ T4773] ? lockdep_hardirqs_on_prepare+0x410/0x410
[ 54.890869][ T4773] ? stack_trace_save+0x90/0xc0
[ 54.890911][ T4773] lock_acquire.part.0+0x11a/0x350
[ 54.890937][ T4773] ? io_poll_remove_entries.part.0+0x15e/0x810
[ 54.890966][ T4773] ? lock_release+0x810/0x810
[ 54.890990][ T4773] ? io_poll_remove_entries.part.0+0x15e/0x810
[ 54.891016][ T4773] ? rcu_read_lock_sched_held+0x3e/0x70
[ 54.891041][ T4773] ? trace_lock_acquire+0x1f1/0x290
[ 54.891067][ T4773] ? io_poll_remove_entries.part.0+0x15e/0x810
[ 54.891093][ T4773] ? lock_acquire+0x32/0xc0
[ 54.891116][ T4773] ? io_poll_remove_entries.part.0+0x15e/0x810
[ 54.891145][ T4773] _raw_spin_lock_irq+0x36/0x50
[ 54.891182][ T4773] ? io_poll_remove_entries.part.0+0x15e/0x810
[ 54.891209][ T4773] io_poll_remove_entries.part.0+0x15e/0x810
[ 54.891239][ T4773] io_poll_task_func+0x56c/0x1220
[ 54.891266][ T4773] ? io_poll_remove_entries.part.0+0x810/0x810
[ 54.891293][ T4773] ? lock_acquire+0x32/0xc0
[ 54.891321][ T4773] io_fallback_req_func+0xfd/0x204
[ 54.891351][ T4773] ? __io_commit_cqring_flush.cold+0x42/0x42
[ 54.891386][ T4773] process_one_work+0x9bf/0x1750
[ 54.891421][ T4773] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 54.891451][ T4773] ? rcu_read_lock_sched_held+0x3e/0x70
[ 54.891478][ T4773] ? rwlock_bug.part.0+0x90/0x90
[ 54.891505][ T4773] ? lock_acquire+0x32/0xc0
[ 54.891528][ T4773] ? worker_thread+0x16d/0x1090
[ 54.891559][ T4773] worker_thread+0x669/0x1090
[ 54.891593][ T4773] ? __kthread_parkme+0x163/0x220
[ 54.891617][ T4773] ? process_one_work+0x1750/0x1750
[ 54.891648][ T4773] kthread+0x2e8/0x3a0
[ 54.891672][ T4773] ? kthread_complete_and_exit+0x40/0x40
[ 54.891707][ T4773] ret_from_fork+0x1f/0x30
[ 54.891749][ T4773]
[ 54.891756][ T4773] Modules linked in:
[ 54.891768][ T4773] ---[ end trace 0000000000000000 ]---
[ 54.891776][ T4773] RIP: 0010:__lock_acquire+0xd83/0x5660
[ 54.891803][ T4773] Code: 3d 0f 41 bf 01 00 00 00 0f 86 c8 00 00 00 89 05 53 f6 3d 0f e9 bd 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 e6 30 00 00 49 81 3e 60 b6 f8 8f 0f 84 4c f3 ff
[ 54.891826][ T4773] RSP: 0018:ffffc900038bf8f8 EFLAGS: 00010006
[ 54.891845][ T4773] RAX: dffffc0000000000 RBX: 1ffff92000717f4d RCX: 0000000000000000
[ 54.891861][ T4773] RDX: 00e4202be000000c RSI: 0000000000000000 RDI: 0000000000000001
[ 54.891877][ T4773] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
[ 54.891891][ T4773] R10: fffffbfff1ce78da R11: 1ffffffff2148ce1 R12: 0000000000000000
[ 54.891907][ T4773] R13: ffff888026cf9d40 R14: 0721015f00000063 R15: 0000000000000000
[ 54.891924][ T4773] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 54.891948][ T4773] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 54.891965][ T4773] CR2: 00007f2a7b3e91f0 CR3: 000000002a279000 CR4: 00000000003506f0
[ 54.891981][ T4773] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 54.891996][ T4773] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 56.430805][ T5080] Shutting down cpus with NMI
[ 56.435662][ T5080] Kernel Offset: disabled
[ 56.439982][ T5080] Rebooting in 86400 seconds..