./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3755945139
<...>
Warning: Permanently added '10.128.1.149' (ED25519) to the list of known hosts.
execve("./syz-executor3755945139", ["./syz-executor3755945139"], 0x7ffe65ff85d0 /* 10 vars */) = 0
brk(NULL) = 0x555585619000
brk(0x555585619d00) = 0x555585619d00
arch_prctl(ARCH_SET_FS, 0x555585619380) = 0
set_tid_address(0x555585619650) = 5819
set_robust_list(0x555585619660, 24) = 0
rseq(0x555585619ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3755945139", 4096) = 28
getrandom("\x46\x3b\x8e\xc9\x2d\x01\x54\x28", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555585619d00
brk(0x55558563ad00) = 0x55558563ad00
brk(0x55558563b000) = 0x55558563b000
mprotect(0x7f9fbd41c000, 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
mkdir("./syzkaller.k0SjDG", 0700) = 0
chmod("./syzkaller.k0SjDG", 0777) = 0
chdir("./syzkaller.k0SjDG") = 0
mkdir("./0", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5820 attached
, child_tidptr=0x555585619650) = 5820
[pid 5820] set_robust_list(0x555585619660, 24) = 0
[pid 5820] chdir("./0") = 0
[pid 5820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5820] setpgid(0, 0) = 0
[pid 5820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5820] write(3, "1000", 4) = 4
[pid 5820] close(3) = 0
[pid 5820] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 5820] write(1, "executing program\n", 18) = 18
[pid 5820] memfd_create("syzkaller", 0) = 3
[pid 5820] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9fb4e00000
[pid 5820] write(3, "\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\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"..., 16777216) = 16777216
[pid 5820] munmap(0x7f9fb4e00000, 138412032) = 0
[pid 5820] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5820] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5820] close(3) = 0
[pid 5820] close(4) = 0
[pid 5820] mkdir("./file0", 0777) = 0
[ 67.225821][ T5820] loop0: detected capacity change from 0 to 32768
[ 67.315403][ T5820] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[ 67.331042][ T5820] bcachefs (loop0): recovering from clean shutdown, journal seq 13
[ 67.350094][ T5820] bcachefs (loop0): accounting_read... done
[ 67.356974][ T5820] bcachefs (loop0): alloc_read... done
[pid 5820] mount("/dev/loop0", "./file0", "bcachefs", 0, "\x10\xf7\xe7\xab\x27\x5e\x7b\x9e\xc1\x8a\x06\x63\x35\x54\xe2\xf6\xfa\xd2\xf9\xfb\xc1\x7a\x1b\x2f\xed\xc7\xf5\x95") = 0
[pid 5820] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5820] chdir("./file0") = 0
[pid 5820] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 67.362506][ T5820] bcachefs (loop0): stripes_read... done
[ 67.368223][ T5820] bcachefs (loop0): snapshots_read... done
[ 67.376155][ T5820] bcachefs (loop0): journal_replay... done
[ 67.382003][ T5820] bcachefs (loop0): resume_logged_ops... done
[ 67.388146][ T5820] bcachefs (loop0): delete_dead_inodes... done
[ 67.396959][ T5820] bcachefs (loop0): going read-write
[ 67.406001][ T5820] bcachefs (loop0): done starting filesystem
[pid 5820] ioctl(4, LOOP_CLR_FD) = 0
[pid 5820] close(4) = 0
[pid 5820] exit_group(0) = ?
[pid 5820] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5820, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=20 /* 0.20 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558561a6f0 /* 4 entries */, 32768) = 112
umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./0/binderfs") = 0
[ 67.498750][ T5819] bcachefs (loop0): shutting down
[ 67.503908][ T5819] bcachefs (loop0): going read-only
[ 67.509652][ T5819] bcachefs (loop0): finished waiting for writes to stop
[ 81.976670][ T976] cfg80211: failed to load regulatory.db
[ 97.984676][ T5831] Allocator stuck? Waited for 30 seconds
[ 97.984689][ T5831] Allocator debug:
[ 97.984694][ T5831] capacity1536
[ 97.984699][ T5831] reserved 31232
[ 97.984703][ T5831] hidden 0
[ 97.984708][ T5831] btree 0
[ 97.984713][ T5831] data 0
[ 97.984718][ T5831] cached 0
[ 97.984723][ T5831] reserved 0
[ 97.984727][ T5831] online_reserved 24
[ 97.984732][ T5831] nr_inodes 0
[ 97.984737][ T5831]
[ 97.984741][ T5831] freelist_wait waiting
[ 97.984746][ T5831] open buckets allocated1
[ 97.984751][ T5831] open buckets total 1024
[ 97.984755][ T5831] open_buckets_wait empty
[ 97.984760][ T5831] open_buckets_btree 0
[ 97.984765][ T5831] open_buckets_user 0
[ 97.984769][ T5831] btree reserve cache 0
[ 97.984774][ T5831]
[ 97.984778][ T5831] Dev 0:
[ 97.984783][ T5831] buckets sectors fragmented
[ 97.984788][ T5831] free 0 0 0
[ 97.984794][ T5831] sb 0 0 0
[ 97.984799][ T5831] journal 0 0 0
[ 97.984805][ T5831] btree 0 0 0
[ 97.984810][ T5831] user 0 0 0
[ 97.984815][ T5831] cached 0 0 0
[ 97.984821][ T5831] parity 0 0 0
[ 97.984826][ T5831] stripe 0 0 0
[ 97.984832][ T5831] need_gc_gens 0 0 0
[ 97.984837][ T5831] need_discard 0 0 0
[ 97.984843][ T5831] unstriped 0 0 0
[ 97.984848][ T5831] capacity 128
[ 97.984853][ T5831]
[ 97.984857][ T5831] reserves:
[ 97.984861][ T5831] stripe 60
[ 97.984866][ T5831] normal 58
[ 97.984871][ T5831] copygc 56
[ 97.984876][ T5831] btree 28
[ 97.984880][ T5831] btree_copygc 0
[ 97.984885][ T5831] reclaim 0
[ 97.984890][ T5831] interior_updates 0
[ 97.984895][ T5831]
[ 97.984899][ T5831] open buckets 0
[ 97.984904][ T5831] buckets to invalidate 0
[ 97.984908][ T5831]
[ 97.984912][ T5831] Copygc debug:
[ 97.984917][ T5831] running: 0
[ 97.984921][ T5831] copygc_wait:0
[ 97.984926][ T5831] copygc_wait_at:0
[ 97.984931][ T5831] Currently waiting for:0 B
[ 97.984935][ T5831] Currently waiting since:640 KiB
[ 97.984940][ T5831] Currently calculated wait:0 B
[ 97.984945][ T5831]
[ 97.984950][ T5831] Journal debug:
[ 97.984954][ T5831] flags: replay_done,running,may_skip_flush,need_flush_write
[ 97.984960][ T5831] dirty journal entries: 0/32768
[ 97.984965][ T5831] seq: 13
[ 97.984969][ T5831] seq_ondisk: 13
[ 97.984974][ T5831] last_seq: 14
[ 97.984979][ T5831] last_seq_ondisk: 14
[ 97.984984][ T5831] flushed_seq_ondisk: 13
[ 97.984988][ T5831] watermark: stripe
[ 97.984993][ T5831] each entry reserved: 321
[ 97.984998][ T5831] nr flush writes: 0
[ 97.985003][ T5831] nr noflush writes: 0
[ 97.985008][ T5831] average write size: 0 B
[ 97.985012][ T5831] nr direct reclaim: 0
[ 97.985017][ T5831] nr background reclaim: 0
[ 97.985022][ T5831] reclaim kicked: 0
[ 97.985027][ T5831] reclaim runs in: 0 ms
[ 97.985032][ T5831] blocked: 0
[ 97.985036][ T5831] current entry sectors: 256
[ 97.985041][ T5831] current entry error: ok
[ 97.985046][ T5831] current entry: closed
[ 97.985051][ T5831] unwritten entries:
[ 97.985055][ T5831] last buf closed
[ 97.985060][ T5831] space:
[ 97.985064][ T5831] discarded 256:1792
[ 97.985069][ T5831] clean ondisk 256:1792
[ 97.985074][ T5831] clean 256:1792
[ 97.985079][ T5831] total 256:2048
[ 97.985084][ T5831] dev 0:
[ 97.985088][ T5831] nr 8
[ 97.985093][ T5831] bucket size 256
[ 97.985098][ T5831] available 6:256
[ 97.985103][ T5831] discard_idx 0
[ 97.985108][ T5831] dirty_ondisk 0 (seq 0)
[ 97.985112][ T5831] dirty_idx 0 (seq 0)
[ 97.985117][ T5831] cur_idx 0 (seq 0)
[ 97.985122][ T5831]
[ 286.775852][ T30] INFO: task syz-executor375:5819 blocked for more than 143 seconds.
[ 286.784119][ T30] Not tainted 6.13.0-rc2-syzkaller-00292-ga446e965a188 #0
[ 286.791999][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.800881][ T30] task:syz-executor375 state:D stack:23840 pid:5819 tgid:5819 ppid:5816 flags:0x00004002
[ 286.811147][ T30] Call Trace:
[ 286.814465][ T30]
[ 286.817415][ T30] __schedule+0x17fb/0x4be0
[ 286.821945][ T30] ? __pfx___schedule+0x10/0x10
[ 286.826836][ T30] ? __pfx_lock_release+0x10/0x10
[ 286.831887][ T30] ? schedule+0x90/0x320
[ 286.836176][ T30] schedule+0x14b/0x320
[ 286.840358][ T30] schedule_timeout+0xb0/0x290
[ 286.845192][ T30] ? __pfx_schedule_timeout+0x10/0x10
[ 286.850589][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 286.856622][ T30] ? wait_for_completion+0x2fe/0x620
[ 286.861929][ T30] ? wait_for_completion+0x2fe/0x620
[ 286.867266][ T30] ? _raw_spin_unlock_irq+0x23/0x50
[ 286.872486][ T30] ? lockdep_hardirqs_on+0x99/0x150
[ 286.877726][ T30] ? wait_for_completion+0x2fe/0x620
[ 286.883060][ T30] wait_for_completion+0x355/0x620
[ 286.888278][ T30] ? __pfx_wait_for_completion+0x10/0x10
[ 286.893933][ T30] ? synchronize_rcu+0x11b/0x360
[ 286.898925][ T30] ? kthread_unpark+0xd0/0x290
[ 286.903706][ T30] kthread_stop+0x19e/0x640
[ 286.908281][ T30] bch2_copygc_stop+0x4f/0x150
[ 286.913072][ T30] __bch2_fs_read_only+0x47/0x450
[ 286.918146][ T30] bch2_fs_read_only+0xb57/0x1200
[ 286.923220][ T30] ? __pfx_bch2_fs_read_only+0x10/0x10
[ 286.928741][ T30] ? __bch2_print+0x17a/0x220
[ 286.933454][ T30] ? down_write+0x18c/0x220
[ 286.938005][ T30] ? __pfx_down_write+0x10/0x10
[ 286.942883][ T30] ? hook_sb_delete+0xaa0/0xbd0
[ 286.947789][ T30] __bch2_fs_stop+0x105/0x5c0
[ 286.952488][ T30] ? __pfx___bch2_fs_stop+0x10/0x10
[ 286.957729][ T30] ? __pfx_evict_inodes+0x10/0x10
[ 286.962779][ T30] ? bch2_sync_fs+0x155/0x300
[ 286.967511][ T30] ? __pfx_bch2_put_super+0x10/0x10
[ 286.972739][ T30] generic_shutdown_super+0x139/0x2d0
[ 286.978188][ T30] bch2_kill_sb+0x41/0x50
[ 286.982549][ T30] deactivate_locked_super+0xc4/0x130
[ 286.987985][ T30] cleanup_mnt+0x41f/0x4b0
[ 286.992423][ T30] ? lockdep_hardirqs_on+0x99/0x150
[ 286.997666][ T30] task_work_run+0x24f/0x310
[ 287.002277][ T30] ? __pfx_task_work_run+0x10/0x10
[ 287.007440][ T30] ? path_umount+0x284/0xf70
[ 287.012055][ T30] ptrace_notify+0x2d2/0x380
[ 287.016784][ T30] ? __pfx_ptrace_notify+0x10/0x10
[ 287.021911][ T30] ? kmem_cache_free+0x195/0x410
[ 287.026925][ T30] ? __x64_sys_umount+0x123/0x170
[ 287.032010][ T30] syscall_exit_work+0xc7/0x1d0
[ 287.036938][ T30] syscall_exit_to_user_mode+0x24a/0x340
[ 287.042615][ T30] do_syscall_64+0x100/0x230
[ 287.047285][ T30] ? clear_bhb_loop+0x35/0x90
[ 287.051988][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.057937][ T30] RIP: 0033:0x7f9fbd39a347
[ 287.062409][ T30] RSP: 002b:00007ffd0bd69c38 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 287.070891][ T30] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9fbd39a347
[ 287.078909][ T30] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd0bd69cf0
[ 287.086929][ T30] RBP: 00007ffd0bd69cf0 R08: 0000000000000000 R09: 0000000000000000
[ 287.094935][ T30] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffd0bd6ad50
[ 287.102896][ T30] R13: 000055558561a6c0 R14: 0000000000000001 R15: 431bde82d7b634db
[ 287.111006][ T30]
[ 287.114059][ T30] INFO: task bch-copygc/loop:5831 blocked for more than 143 seconds.
[ 287.122301][ T30] Not tainted 6.13.0-rc2-syzkaller-00292-ga446e965a188 #0
[ 287.129983][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 287.138681][ T30] task:bch-copygc/loop state:D stack:19792 pid:5831 tgid:5831 ppid:2 flags:0x00024000
[ 287.149005][ T30] Call Trace:
[ 287.152296][ T30]
[ 287.155263][ T30] __schedule+0x17fb/0x4be0
[ 287.159802][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 287.165849][ T30] ? __pfx___schedule+0x10/0x10
[ 287.170717][ T30] ? __pfx_lock_release+0x10/0x10
[ 287.175776][ T30] ? bch2_print_allocator_stuck+0x165/0xcb0
[ 287.181688][ T30] ? bch2_print_allocator_stuck+0xc24/0xcb0
[ 287.187628][ T30] ? schedule+0x90/0x320
[ 287.191883][ T30] schedule+0x14b/0x320
[ 287.196078][ T30] __closure_sync+0x259/0x2f0
[ 287.200772][ T30] ? __closure_sync+0x149/0x2f0
[ 287.205698][ T30] ? __pfx___closure_sync+0x10/0x10
[ 287.210915][ T30] ? __bch2_wait_on_allocator+0x1d6/0x250
[ 287.216681][ T30] __bch2_write+0x562a/0x5dd0
[ 287.221403][ T30] ? __pfx_validate_chain+0x10/0x10
[ 287.226638][ T30] ? lockdep_unlock+0x16a/0x300
[ 287.231511][ T30] ? mark_lock+0x9a/0x360
[ 287.235875][ T30] ? __pfx___bch2_write+0x10/0x10
[ 287.240924][ T30] ? __pfx_validate_chain+0x10/0x10
[ 287.246157][ T30] ? __pfx_validate_chain+0x10/0x10
[ 287.251400][ T30] ? __lock_acquire+0x1397/0x2100
[ 287.256592][ T30] bch2_write+0x9b5/0x1760
[ 287.261039][ T30] ? mark_lock+0x9a/0x360
[ 287.265441][ T30] ? __pfx_bch2_write+0x10/0x10
[ 287.270308][ T30] ? bch2_data_update_read_done+0xfd/0x330
[ 287.276197][ T30] bch2_data_update_read_done+0x22e/0x330
[ 287.281941][ T30] ? __pfx_bch2_data_update_read_done+0x10/0x10
[ 287.288234][ T30] ? bch2_trans_srcu_unlock+0x57/0x5c0
[ 287.293723][ T30] bch2_moving_ctxt_do_pending_writes+0x44c/0x8d0
[ 287.300210][ T30] ? __pfx_bch2_moving_ctxt_do_pending_writes+0x10/0x10
[ 287.307194][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 287.313082][ T30] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 287.319444][ T30] ? finish_wait+0xd4/0x1e0
[ 287.323966][ T30] move_buckets_wait+0x2ba/0x1290
[ 287.329065][ T30] ? __pfx_move_buckets_wait+0x10/0x10
[ 287.334626][ T30] ? bch2_get_next_online_dev+0x2b/0x4f0
[ 287.340283][ T30] ? __pfx_autoremove_wake_function+0x10/0x10
[ 287.346409][ T30] ? bch2_get_next_online_dev+0x4b9/0x4f0
[ 287.352151][ T30] ? bch2_get_next_online_dev+0x2b/0x4f0
[ 287.357837][ T30] bch2_copygc_thread+0x83f/0xc10
[ 287.362882][ T30] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 287.368497][ T30] ? bch2_copygc_thread+0x1a1/0xc10
[ 287.373746][ T30] ? _raw_spin_unlock_irqrestore+0x8f/0x140
[ 287.379683][ T30] ? lockdep_hardirqs_on+0x99/0x150
[ 287.384937][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 287.390829][ T30] ? __kthread_parkme+0x169/0x1d0
[ 287.395911][ T30] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 287.401472][ T30] kthread+0x2f0/0x390
[ 287.405593][ T30] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 287.411164][ T30] ? __pfx_kthread+0x10/0x10
[ 287.415804][ T30] ret_from_fork+0x4b/0x80
[ 287.420237][ T30] ? __pfx_kthread+0x10/0x10
[ 287.424882][ T30] ret_from_fork_asm+0x1a/0x30
[ 287.429668][ T30]
[ 287.432689][ T30]
[ 287.432689][ T30] Showing all locks held in the system:
[ 287.440470][ T30] 1 lock held by khungtaskd/30:
[ 287.445378][ T30] #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0
[ 287.455302][ T30] 2 locks held by getty/5575:
[ 287.459984][ T30] #0: ffff88803547a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 287.469782][ T30] #1: ffffc9000330b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00
[ 287.479944][ T30] 2 locks held by syz-executor375/5819:
[ 287.485526][ T30] #0: ffff8880245c40e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0
[ 287.495791][ T30] #1: ffff888074080278 (&c->state_lock){+.+.}-{4:4}, at: __bch2_fs_stop+0xfd/0x5c0
[ 287.505266][ T30]
[ 287.507600][ T30] =============================================
[ 287.507600][ T30]
[ 287.516060][ T30] NMI backtrace for cpu 0
[ 287.520402][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc2-syzkaller-00292-ga446e965a188 #0
[ 287.530892][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
[ 287.540939][ T30] Call Trace:
[ 287.544214][ T30]
[ 287.547140][ T30] dump_stack_lvl+0x241/0x360
[ 287.551828][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 287.557020][ T30] ? __pfx__printk+0x10/0x10
[ 287.561612][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 287.566547][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 287.571997][ T30] ? _printk+0xd5/0x120
[ 287.576144][ T30] ? __pfx__printk+0x10/0x10
[ 287.580725][ T30] ? __wake_up_klogd+0xcc/0x110
[ 287.585573][ T30] ? __pfx__printk+0x10/0x10
[ 287.590160][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 287.596139][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 287.602114][ T30] watchdog+0xff6/0x1040
[ 287.606354][ T30] ? watchdog+0x1ea/0x1040
[ 287.610763][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.615430][ T30] kthread+0x2f0/0x390
[ 287.619490][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.624163][ T30] ? __pfx_kthread+0x10/0x10
[ 287.628749][ T30] ret_from_fork+0x4b/0x80
[ 287.633156][ T30] ? __pfx_kthread+0x10/0x10
[ 287.637738][ T30] ret_from_fork_asm+0x1a/0x30
[ 287.642507][ T30]
[ 287.645599][ T30] Sending NMI from CPU 0 to CPUs 1:
[ 287.650829][ C1] NMI backtrace for cpu 1
[ 287.650841][ C1] CPU: 1 UID: 0 PID: 5184 Comm: klogd Not tainted 6.13.0-rc2-syzkaller-00292-ga446e965a188 #0
[ 287.650860][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
[ 287.650869][ C1] RIP: 0010:__mutex_trylock_common+0x0/0x2e0
[ 287.650893][ C1] Code: cc cc 44 89 f1 80 e1 07 80 c1 03 38 c1 7c bf 4c 89 f7 e8 b3 77 89 00 eb b5 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48
[ 287.650905][ C1] RSP: 0018:ffffc900033a7918 EFLAGS: 00000246
[ 287.650920][ C1] RAX: 0000000000000001 RBX: ffffffff8e813320 RCX: ffffffff8179c4fd
[ 287.650932][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8e813320
[ 287.650943][ C1] RBP: ffffc900033a7ab0 R08: ffffffff90183cf7 R09: 1ffffffff203079e
[ 287.650955][ C1] R10: dffffc0000000000 R11: fffffbfff203079f R12: 0000000000000000
[ 287.650966][ C1] R13: 0000000000000000 R14: 1ffff92000674f38 R15: dffffc0000000000
[ 287.650977][ C1] FS: 00007fcfdfeb5380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[ 287.650991][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 287.651003][ C1] CR2: 000055be36abd600 CR3: 000000002fdba000 CR4: 00000000003526f0
[ 287.651017][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 287.651026][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 287.651036][ C1] Call Trace:
[ 287.651043][ C1]
[ 287.651050][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 287.651067][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 287.651085][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 287.651101][ C1] ? nmi_handle+0x2a/0x5a0
[ 287.651124][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 287.651144][ C1] ? nmi_handle+0x14f/0x5a0
[ 287.651160][ C1] ? nmi_handle+0x2a/0x5a0
[ 287.651177][ C1] ? __pfx___mutex_trylock_common+0x10/0x10
[ 287.651195][ C1] ? default_do_nmi+0x63/0x160
[ 287.651212][ C1] ? exc_nmi+0x123/0x1f0
[ 287.651227][ C1] ? end_repeat_nmi+0xf/0x53
[ 287.651244][ C1] ? trace_contention_begin+0x2d/0x120
[ 287.651263][ C1] ? __pfx___mutex_trylock_common+0x10/0x10
[ 287.651282][ C1] ? __pfx___mutex_trylock_common+0x10/0x10
[ 287.651301][ C1] ? __pfx___mutex_trylock_common+0x10/0x10
[ 287.651320][ C1]
[ 287.651325][ C1]
[ 287.651330][ C1] __mutex_lock+0x1c7/0xee0
[ 287.651352][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 287.651369][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 287.651384][ C1] ? syslog_print+0x1f0/0x9c0
[ 287.651403][ C1] ? __pfx___mutex_lock+0x10/0x10
[ 287.651422][ C1] ? lockdep_hardirqs_on+0x99/0x150
[ 287.651442][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 287.651462][ C1] ? finish_wait+0xd4/0x1e0
[ 287.651479][ C1] syslog_print+0x1f0/0x9c0
[ 287.651502][ C1] ? __pfx_syslog_print+0x10/0x10
[ 287.651521][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 287.651545][ C1] ? __pfx_autoremove_wake_function+0x10/0x10
[ 287.651561][ C1] ? smack_privileged_cred+0x341/0x380
[ 287.651583][ C1] ? smack_syslog+0x96/0xf0
[ 287.651608][ C1] do_syslog+0x3c2/0x820
[ 287.651624][ C1] ? __might_fault+0xaa/0x120
[ 287.651642][ C1] ? rcu_is_watching+0x15/0xb0
[ 287.651660][ C1] ? __pfx_do_syslog+0x10/0x10
[ 287.651676][ C1] ? __rseq_handle_notify_resume+0x34d/0x14e0
[ 287.651700][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 287.651716][ C1] ? do_syscall_64+0x100/0x230
[ 287.651737][ C1] __x64_sys_syslog+0x7c/0x90
[ 287.651755][ C1] do_syscall_64+0xf3/0x230
[ 287.651775][ C1] ? clear_bhb_loop+0x35/0x90
[ 287.651790][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.651810][ C1] RIP: 0033:0x7fcfe0016fa7
[ 287.651824][ C1] Code: 73 01 c3 48 8b 0d 81 ce 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 67 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 51 ce 0c 00 f7 d8 64 89 01 48
[ 287.651835][ C1] RSP: 002b:00007ffc72892b38 EFLAGS: 00000206 ORIG_RAX: 0000000000000067
[ 287.651851][ C1] RAX: ffffffffffffffda RBX: 00007fcfe01b54a0 RCX: 00007fcfe0016fa7
[ 287.651862][ C1] RDX: 00000000000003ff RSI: 00007fcfe01b54a0 RDI: 0000000000000002
[ 287.651873][ C1] RBP: 0000000000000000 R08: 0000000000000007 R09: db7a96da13e971d8
[ 287.651883][ C1] R10: 0000000000004000 R11: 0000000000000206 R12: 00007fcfe01b54a0
[ 287.651893][ C1] R13: 00007fcfe01a5212 R14: 00007fcfe01b5535 R15: 00007fcfe01b5535
[ 287.651911][ C1]
[ 287.651918][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.089 msecs
[ 287.652832][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 287.652846][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc2-syzkaller-00292-ga446e965a188 #0
[ 287.652866][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
[ 287.652876][ T30] Call Trace:
[ 287.652883][ T30]
[ 287.652891][ T30] dump_stack_lvl+0x241/0x360
[ 287.652918][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 287.652940][ T30] ? __pfx__printk+0x10/0x10
[ 287.652959][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 287.652985][ T30] ? vscnprintf+0x5d/0x90
[ 287.653006][ T30] panic+0x349/0x880
[ 287.653027][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 287.653048][ T30] ? __pfx_panic+0x10/0x10
[ 287.653066][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 287.653091][ T30] ? __irq_work_queue_local+0x137/0x410
[ 287.653111][ T30] ? irq_work_queue+0xca/0x150
[ 287.653129][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 287.653154][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 287.653178][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 287.653201][ T30] ? nmi_trigger_cpumask_backtrace+0x251/0x320
[ 287.653224][ T30] watchdog+0x1035/0x1040
[ 287.653245][ T30] ? watchdog+0x1ea/0x1040
[ 287.653268][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.653286][ T30] kthread+0x2f0/0x390
[ 287.653305][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.653322][ T30] ? __pfx_kthread+0x10/0x10
[ 287.653347][ T30] ret_from_fork+0x4b/0x80
[ 287.653364][ T30] ? __pfx_kthread+0x10/0x10
[ 287.653384][ T30] ret_from_fork_asm+0x1a/0x30
[ 287.653417][ T30]
[ 288.243583][ T30] Kernel Offset: disabled
[ 288.247900][ T30] Rebooting in 86400 seconds..