./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor214680009
<...>
forked to background, child pid 4652
no interfaces have a carrier
[ 34.565995][ T4653] 8021q: adding VLAN 0 to HW filter on device bond0
[ 34.593624][ T4653] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.218' (ECDSA) to the list of known hosts.
execve("./syz-executor214680009", ["./syz-executor214680009"], 0x7ffe71618050 /* 10 vars */) = 0
brk(NULL) = 0x555555aef000
brk(0x555555aefc40) = 0x555555aefc40
arch_prctl(ARCH_SET_FS, 0x555555aef300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor214680009", 4096) = 27
brk(0x555555b10c40) = 0x555555b10c40
brk(0x555555b11000) = 0x555555b11000
mprotect(0x7f772dce7000, 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=0x555555aef5d0) = 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] 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}}) = 4
[pid 5078] mmap(0x20ffc000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 4, 0) = 0x20ffc000
[pid 5078] mmap(0x20ffe000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 4, 0x10000000) = 0x20ffe000
[pid 5078] io_uring_enter(4, 17678, 0, 0, NULL, 0) = 1
[pid 5078] dup(3) = 5
[pid 5078] write(5, "\x30\xc0\xff\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] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x10c} ---
[pid 5078] +++ killed by SIGSEGV +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5078, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555aef5d0) = 5079
./strace-static-x86_64: Process 5079 attached
[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] 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}}) = 4
[pid 5079] mmap(0x20ffc000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 4, 0) = 0x20ffc000
[pid 5079] mmap(0x20ffe000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 4, 0x10000000) = 0x20ffe000
[pid 5079] io_uring_enter(4, 17678, 0, 0, NULL, 0) = 1
[pid 5079] dup(3) = 5
[pid 5079] write(5, "\x30\xc0\xff\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] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x10c} ---
syzkaller login: [ 60.041617][ T5079] ==================================================================
[ 60.049725][ T5079] BUG: KASAN: use-after-free in io_fallback_tw+0x6d/0x119
[ 60.056856][ T5079] Read of size 8 at addr ffff88807b311448 by task syz-executor214/5079
[ 60.065210][ T5079]
[ 60.067534][ T5079] CPU: 0 PID: 5079 Comm: syz-executor214 Not tainted 6.2.0-rc3-next-20230112-syzkaller #0
[ 60.077410][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 60.087471][ T5079] Call Trace:
[ 60.090753][ T5079]
[ 60.093674][ T5079] dump_stack_lvl+0xd1/0x138
[ 60.098292][ T5079] print_report+0x15e/0x45d
[ 60.102815][ T5079] ? __phys_addr+0xc8/0x140
[ 60.107344][ T5079] ? io_fallback_tw+0x6d/0x119
[ 60.112122][ T5079] kasan_report+0xc0/0xf0
[ 60.116468][ T5079] ? io_fallback_tw+0x6d/0x119
[ 60.121245][ T5079] io_fallback_tw+0x6d/0x119
[ 60.125847][ T5079] tctx_task_work.cold+0xf/0x2c
[ 60.130718][ T5079] ? handle_tw_list+0x460/0x460
[ 60.135580][ T5079] ? lock_downgrade+0x6e0/0x6e0
[ 60.140439][ T5079] ? do_raw_spin_lock+0x124/0x2b0
[ 60.145475][ T5079] ? rwlock_bug.part.0+0x90/0x90
[ 60.150423][ T5079] ? _raw_spin_unlock_irq+0x23/0x50
[ 60.155643][ T5079] task_work_run+0x16f/0x270
[ 60.160265][ T5079] ? task_work_cancel+0x30/0x30
[ 60.165147][ T5079] ? do_raw_spin_unlock+0x175/0x230
[ 60.170369][ T5079] do_exit+0xb17/0x2a90
[ 60.174547][ T5079] ? find_held_lock+0x2d/0x110
[ 60.179334][ T5079] ? mm_update_next_owner+0x7b0/0x7b0
[ 60.184731][ T5079] do_group_exit+0xd4/0x2a0
[ 60.189255][ T5079] get_signal+0x225f/0x24f0
[ 60.193770][ T5079] ? exit_signals+0x910/0x910
[ 60.198456][ T5079] ? force_sig+0xe0/0xe0
[ 60.202706][ T5079] ? pgtable_bad+0x90/0x90
[ 60.207135][ T5079] arch_do_signal_or_restart+0x79/0x5c0
[ 60.212692][ T5079] ? get_sigframe_size+0x10/0x10
[ 60.217639][ T5079] ? trace_hardirqs_off+0x12/0x170
[ 60.222760][ T5079] ? __bad_area+0x5f/0xa0
[ 60.227107][ T5079] exit_to_user_mode_prepare+0x11f/0x240
[ 60.232752][ T5079] irqentry_exit_to_user_mode+0x9/0x40
[ 60.238228][ T5079] exc_page_fault+0xc0/0x170
[ 60.242835][ T5079] asm_exc_page_fault+0x26/0x30
[ 60.247708][ T5079] RIP: 0033:0x7f772dc384de
[ 60.252126][ T5079] Code: Unable to access opcode bytes at 0x7f772dc384b4.
[ 60.259146][ T5079] RSP: 002b:00007ffcac98b228 EFLAGS: 00010246
[ 60.265217][ T5079] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000000
[ 60.273191][ T5079] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 60.281165][ T5079] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffcac98b3c8
[ 60.289140][ T5079] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcac98b23c
[ 60.297112][ T5079] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 60.305094][ T5079]
[ 60.308119][ T5079]
[ 60.310451][ T5079] Allocated by task 5079:
[ 60.314776][ T5079] kasan_save_stack+0x22/0x40
[ 60.319461][ T5079] kasan_set_track+0x25/0x30
[ 60.324059][ T5079] __kasan_slab_alloc+0x7f/0x90
[ 60.328918][ T5079] kmem_cache_alloc_bulk+0x3aa/0x730
[ 60.334210][ T5079] __io_alloc_req_refill+0xcc/0x40b
[ 60.339422][ T5079] io_submit_sqes.cold+0x7c/0xc2
[ 60.344369][ T5079] __do_sys_io_uring_enter+0x9e4/0x2c10
[ 60.349927][ T5079] do_syscall_64+0x39/0xb0
[ 60.354349][ T5079] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 60.360258][ T5079]
[ 60.362579][ T5079] Freed by task 1009:
[ 60.366553][ T5079] kasan_save_stack+0x22/0x40
[ 60.371238][ T5079] kasan_set_track+0x25/0x30
[ 60.375834][ T5079] kasan_save_free_info+0x2e/0x40
[ 60.380907][ T5079] ____kasan_slab_free+0x160/0x1c0
[ 60.386031][ T5079] slab_free_freelist_hook+0x8b/0x1c0
[ 60.391407][ T5079] kmem_cache_free+0xec/0x4e0
[ 60.396090][ T5079] io_req_caches_free+0x1a9/0x1e6
[ 60.401122][ T5079] io_ring_exit_work+0x2e7/0xc80
[ 60.406069][ T5079] process_one_work+0x9bf/0x1750
[ 60.411019][ T5079] worker_thread+0x669/0x1090
[ 60.415719][ T5079] kthread+0x2e8/0x3a0
[ 60.419792][ T5079] ret_from_fork+0x1f/0x30
[ 60.424222][ T5079]
[ 60.426541][ T5079] The buggy address belongs to the object at ffff88807b3113c0
[ 60.426541][ T5079] which belongs to the cache io_kiocb of size 216
[ 60.440333][ T5079] The buggy address is located 136 bytes inside of
[ 60.440333][ T5079] 216-byte region [ffff88807b3113c0, ffff88807b311498)
[ 60.453614][ T5079]
[ 60.455935][ T5079] The buggy address belongs to the physical page:
[ 60.462339][ T5079] page:ffffea0001ecc440 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7b311
[ 60.472492][ T5079] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
[ 60.480046][ T5079] raw: 00fff00000000200 ffff88814663e640 dead000000000122 0000000000000000
[ 60.488633][ T5079] raw: 0000000000000000 00000000800c000c 00000001ffffffff 0000000000000000
[ 60.497209][ T5079] page dumped because: kasan: bad access detected
[ 60.503618][ T5079] page_owner tracks the page as allocated
[ 60.509324][ T5079] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 5079, tgid 5079 (syz-executor214), ts 60036849883, free_ts 60023373689
[ 60.527917][ T5079] get_page_from_freelist+0x11bb/0x2d50
[ 60.533478][ T5079] __alloc_pages+0x1cb/0x5c0
[ 60.538080][ T5079] alloc_pages+0x1aa/0x270
[ 60.542505][ T5079] allocate_slab+0x25f/0x350
[ 60.547097][ T5079] ___slab_alloc+0xa91/0x1400
[ 60.551783][ T5079] kmem_cache_alloc_bulk+0x23d/0x730
[ 60.557077][ T5079] __io_alloc_req_refill+0xcc/0x40b
[ 60.562290][ T5079] io_submit_sqes.cold+0x7c/0xc2
[ 60.567237][ T5079] __do_sys_io_uring_enter+0x9e4/0x2c10
[ 60.572794][ T5079] do_syscall_64+0x39/0xb0
[ 60.577222][ T5079] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 60.583135][ T5079] page last free stack trace:
[ 60.587800][ T5079] free_pcp_prepare+0x4d0/0x910
[ 60.592668][ T5079] free_unref_page_list+0x176/0xcd0
[ 60.597880][ T5079] release_pages+0xcb1/0x1330
[ 60.602566][ T5079] tlb_batch_pages_flush+0xa8/0x1a0
[ 60.607776][ T5079] tlb_finish_mmu+0x14b/0x7e0
[ 60.612467][ T5079] exit_mmap+0x202/0x7c0
[ 60.616715][ T5079] __mmput+0x128/0x4c0
[ 60.620789][ T5079] mmput+0x60/0x70
[ 60.624521][ T5079] do_exit+0x9ac/0x2a90
[ 60.628695][ T5079] do_group_exit+0xd4/0x2a0
[ 60.633215][ T5079] get_signal+0x225f/0x24f0
[ 60.637720][ T5079] arch_do_signal_or_restart+0x79/0x5c0
[ 60.643273][ T5079] exit_to_user_mode_prepare+0x11f/0x240
[ 60.648913][ T5079] irqentry_exit_to_user_mode+0x9/0x40
[ 60.654384][ T5079] exc_page_fault+0xc0/0x170
[ 60.658989][ T5079] asm_exc_page_fault+0x26/0x30
[ 60.663856][ T5079]
[ 60.666174][ T5079] Memory state around the buggy address:
[ 60.671798][ T5079] ffff88807b311300: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
[ 60.679864][ T5079] ffff88807b311380: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
[ 60.687926][ T5079] >ffff88807b311400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 60.695980][ T5079] ^
[ 60.702386][ T5079] ffff88807b311480: fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 60.710446][ T5079] ffff88807b311500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 60.718503][ T5079] ==================================================================
[ 60.727473][ T899] general protection fault, probably for non-canonical address 0xe0cefc2be0000008: 0000 [#1] PREEMPT SMP KASAN
[ 60.731218][ T5079] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 60.739178][ T899] KASAN: maybe wild-memory-access in range [0x0678015f00000040-0x0678015f00000047]
[ 60.746363][ T899] CPU: 0 PID: 899 Comm: kworker/0:2 Not tainted 6.2.0-rc3-next-20230112-syzkaller #0
[ 60.755636][ T899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 60.765074][ T899] Workqueue: events io_fallback_req_func
[ 60.780742][ T899] RIP: 0010:__lock_acquire+0xd83/0x5660
[ 60.786286][ T899] 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
[ 60.805890][ T899] RSP: 0018:ffffc90005a378f8 EFLAGS: 00010003
[ 60.811958][ T899] RAX: dffffc0000000000 RBX: 1ffff92000b46f4d RCX: 0000000000000000
[ 60.819924][ T899] RDX: 00cf002be0000008 RSI: 0000000000000000 RDI: 0000000000000001
[ 60.827887][ T899] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
[ 60.835848][ T899] R10: fffffbfff1ce78da R11: 1ffffffff2148d26 R12: 0000000000000000
[ 60.843812][ T899] R13: ffff88801fc40000 R14: 0678015f00000046 R15: 0000000000000000
[ 60.851777][ T899] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 60.860706][ T899] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 60.867283][ T899] CR2: 000000000000010c CR3: 000000001cf3f000 CR4: 00000000003506f0
[ 60.875249][ T899] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 60.883210][ T899] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 60.891174][ T899] Call Trace:
[ 60.894440][ T899]
[ 60.897367][ T899] ? ret_from_fork+0x1f/0x30
[ 60.901964][ T899] ? lockdep_hardirqs_on_prepare+0x410/0x410
[ 60.907942][ T899] ? lockdep_hardirqs_on_prepare+0x410/0x410
[ 60.913919][ T899] ? stack_trace_save+0x90/0xc0
[ 60.918784][ T899] lock_acquire.part.0+0x11a/0x350
[ 60.923896][ T899] ? io_poll_remove_entries.part.0+0x15e/0x810
[ 60.930063][ T899] ? lock_release+0x810/0x810
[ 60.934752][ T899] ? io_poll_remove_entries.part.0+0x15e/0x810
[ 60.940911][ T899] ? rcu_read_lock_sched_held+0x3e/0x70
[ 60.946464][ T899] ? trace_lock_acquire+0x1f1/0x290
[ 60.951667][ T899] ? io_poll_remove_entries.part.0+0x15e/0x810
[ 60.957822][ T899] ? lock_acquire+0x32/0xc0
[ 60.962321][ T899] ? io_poll_remove_entries.part.0+0x15e/0x810
[ 60.968477][ T899] _raw_spin_lock_irq+0x36/0x50
[ 60.973338][ T899] ? io_poll_remove_entries.part.0+0x15e/0x810
[ 60.979489][ T899] io_poll_remove_entries.part.0+0x15e/0x810
[ 60.985468][ T899] io_poll_task_func+0x56c/0x1220
[ 60.990489][ T899] ? io_poll_remove_entries.part.0+0x810/0x810
[ 60.996640][ T899] ? lock_acquire+0x32/0xc0
[ 61.001141][ T899] io_fallback_req_func+0xfd/0x204
[ 61.006255][ T899] ? __io_commit_cqring_flush.cold+0x42/0x42
[ 61.012242][ T899] process_one_work+0x9bf/0x1750
[ 61.017188][ T899] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 61.022563][ T899] ? rcu_read_lock_sched_held+0x3e/0x70
[ 61.028117][ T899] ? rwlock_bug.part.0+0x90/0x90
[ 61.033067][ T899] ? lock_acquire+0x32/0xc0
[ 61.037579][ T899] ? worker_thread+0x16d/0x1090
[ 61.042456][ T899] worker_thread+0x669/0x1090
[ 61.047146][ T899] ? __kthread_parkme+0x163/0x220
[ 61.052165][ T899] ? process_one_work+0x1750/0x1750
[ 61.057367][ T899] kthread+0x2e8/0x3a0
[ 61.061435][ T899] ? kthread_complete_and_exit+0x40/0x40
[ 61.067072][ T899] ret_from_fork+0x1f/0x30
[ 61.071508][ T899]
[ 61.074516][ T899] Modules linked in:
[ 61.078423][ T899] ---[ end trace 0000000000000000 ]---
[ 61.083864][ T899] RIP: 0010:__lock_acquire+0xd83/0x5660
[ 61.089407][ T899] 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
[ 61.109099][ T899] RSP: 0018:ffffc90005a378f8 EFLAGS: 00010003
[ 61.115165][ T899] RAX: dffffc0000000000 RBX: 1ffff92000b46f4d RCX: 0000000000000000
[ 61.123130][ T899] RDX: 00cf002be0000008 RSI: 0000000000000000 RDI: 0000000000000001
[ 61.131096][ T899] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
[ 61.139057][ T899] R10: fffffbfff1ce78da R11: 1ffffffff2148d26 R12: 0000000000000000
[ 61.147019][ T899] R13: ffff88801fc40000 R14: 0678015f00000046 R15: 0000000000000000
[ 61.154991][ T899] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 61.163934][ T899] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 61.170534][ T899] CR2: 000000000000010c CR3: 000000001cf3f000 CR4: 00000000003506f0
[ 61.178500][ T899] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 61.186463][ T899] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 61.815198][ T5079] Shutting down cpus with NMI
[ 61.820649][ T5079] Kernel Offset: disabled
[ 61.824973][ T5079] Rebooting in 86400 seconds..