./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1206405332
<...>
Warning: Permanently added '10.128.0.231' (ED25519) to the list of known hosts.
execve("./syz-executor1206405332", ["./syz-executor1206405332"], 0x7fffb98b1570 /* 10 vars */) = 0
brk(NULL) = 0x555564710000
brk(0x555564710d00) = 0x555564710d00
arch_prctl(ARCH_SET_FS, 0x555564710380) = 0
set_tid_address(0x555564710650) = 5838
set_robust_list(0x555564710660, 24) = 0
rseq(0x555564710ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1206405332", 4096) = 28
getrandom("\x8a\xc0\x67\x4f\x81\x5b\xea\xa1", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555564710d00
brk(0x555564731d00) = 0x555564731d00
brk(0x555564732000) = 0x555564732000
mprotect(0x7fd6d3110000, 16384, PROT_READ) = 0
mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000
mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000
mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000
mkdir("./syzkaller.ivseNr", 0700) = 0
chmod("./syzkaller.ivseNr", 0777) = 0
chdir("./syzkaller.ivseNr") = 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 5839 attached
, child_tidptr=0x555564710650) = 5839
[pid 5839] set_robust_list(0x555564710660, 24) = 0
[pid 5839] chdir("./0") = 0
[pid 5839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5839] setpgid(0, 0) = 0
[pid 5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5839] write(3, "1000", 4) = 4
[pid 5839] close(3) = 0
[pid 5839] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 5839] write(1, "executing program\n", 18) = 18
[pid 5839] memfd_create("syzkaller", 0) = 3
[pid 5839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd6cac00000
[pid 5839] 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 5839] munmap(0x7fd6cac00000, 138412032) = 0
[pid 5839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5839] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5839] close(3) = 0
[pid 5839] close(4) = 0
[pid 5839] mkdir("./file0", 0777) = 0
[ 143.311506][ T5839] loop0: detected capacity change from 0 to 32768
[ 143.395373][ T5839] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,background_compression=zstd,nojournal_transaction_names,version_upgrade=none
[ 143.416626][ T5839] bcachefs (loop0): recovering from clean shutdown, journal seq 13
[ 143.439956][ T5839] bcachefs (loop0): accounting_read... done
[ 143.446854][ T5839] bcachefs (loop0): alloc_read... done
[ 143.452542][ T5839] bcachefs (loop0): stripes_read... done
[ 143.458379][ T5839] bcachefs (loop0): snapshots_read... done
[ 143.467072][ T5839] bcachefs (loop0): going read-write
[ 143.474840][ T5839] bcachefs (loop0): journal_replay... done
[ 143.480807][ T5839] bcachefs (loop0): resume_logged_ops... done
[ 143.486989][ T5839] bcachefs (loop0): delete_dead_inodes... done
[pid 5839] mount("/dev/loop0", "./file0", "bcachefs", 0, "version_upgrade=none,background_compression=zstd,") = 0
[pid 5839] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5839] chdir("./file0") = 0
[pid 5839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5839] ioctl(4, LOOP_CLR_FD) = 0
[ 143.496825][ T5839] bcachefs (loop0): done starting filesystem
[pid 5839] close(4) = 0
[pid 5839] exit_group(0) = ?
[pid 5839] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5839, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=28 /* 0.28 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, 0x5555647116f0 /* 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
[ 143.607007][ T5838] bcachefs (loop0): shutting down
[ 143.612188][ T5838] bcachefs (loop0): going read-only
[ 143.617724][ T5838] bcachefs (loop0): finished waiting for writes to stop
[ 174.127024][ T5849] Allocator stuck? Waited for 30 seconds
[ 174.127041][ T5849] Allocator debug:
[ 174.127048][ T5849] capacity1536
[ 174.127055][ T5849] reserved 31232
[ 174.127062][ T5849] hidden 0
[ 174.127069][ T5849] btree 0
[ 174.127076][ T5849] data 0
[ 174.127084][ T5849] cached 0
[ 174.127091][ T5849] reserved 0
[ 174.127098][ T5849] online_reserved 0
[ 174.127105][ T5849] nr_inodes 0
[ 174.127112][ T5849]
[ 174.127118][ T5849] freelist_wait waiting
[ 174.127125][ T5849] open buckets allocated1
[ 174.127132][ T5849] open buckets total 1024
[ 174.127140][ T5849] open_buckets_wait empty
[ 174.127147][ T5849] open_buckets_btree 0
[ 174.127154][ T5849] open_buckets_user 0
[ 174.127161][ T5849] btree reserve cache 0
[ 174.127168][ T5849]
[ 174.127174][ T5849] Dev 0:
[ 174.127181][ T5849] buckets sectors fragmented
[ 174.127190][ T5849] free 0 0 0
[ 174.127198][ T5849] sb 0 0 0
[ 174.127207][ T5849] journal 0 0 0
[ 174.127215][ T5849] btree 0 0 0
[ 174.127224][ T5849] user 0 0 0
[ 174.127232][ T5849] cached 0 0 0
[ 174.127240][ T5849] parity 0 0 0
[ 174.127249][ T5849] stripe 0 0 0
[ 174.127257][ T5849] need_gc_gens 0 0 0
[ 174.127266][ T5849] need_discard 0 0 0
[ 174.127274][ T5849] unstriped 0 0 0
[ 174.127283][ T5849] capacity 128
[ 174.127301][ T5849]
[ 174.127308][ T5849] reserves:
[ 174.127314][ T5849] stripe 60
[ 174.127321][ T5849] normal 58
[ 174.127329][ T5849] copygc 56
[ 174.127336][ T5849] btree 28
[ 174.127343][ T5849] btree_copygc 0
[ 174.127350][ T5849] reclaim 0
[ 174.127357][ T5849] interior_updates 0
[ 174.127365][ T5849]
[ 174.127371][ T5849] open buckets 0
[ 174.127378][ T5849] buckets to invalidate 0
[ 174.127385][ T5849]
[ 174.127392][ T5849] Copygc debug:
[ 174.127398][ T5849] running: 1
[ 174.127405][ T5849] copygc_wait:0
[ 174.127411][ T5849] copygc_wait_at:0
[ 174.127429][ T5849] Currently waiting for:0 B
[ 174.127436][ T5849] Currently waiting since:640 KiB
[ 174.127443][ T5849] Currently calculated wait:0 B
[ 174.127451][ T5849]
[ 174.127457][ T5849] Journal debug:
[ 174.127464][ T5849] flags: replay_done,running,may_skip_flush,need_flush_write
[ 174.127473][ T5849] dirty journal entries: 0/32768
[ 174.127480][ T5849] seq: 13
[ 174.127488][ T5849] seq_ondisk: 13
[ 174.127495][ T5849] last_seq: 14
[ 174.127502][ T5849] last_seq_ondisk: 14
[ 174.127509][ T5849] flushed_seq_ondisk: 13
[ 174.127517][ T5849] watermark: stripe
[ 174.127524][ T5849] each entry reserved: 321
[ 174.127531][ T5849] nr flush writes: 0
[ 174.127539][ T5849] nr noflush writes: 0
[ 174.127546][ T5849] average write size: 0 B
[ 174.127553][ T5849] nr direct reclaim: 0
[ 174.127560][ T5849] nr background reclaim: 0
[ 174.127568][ T5849] reclaim kicked: 0
[ 174.127575][ T5849] reclaim runs in: 0 ms
[ 174.127582][ T5849] blocked: 0
[ 174.127590][ T5849] current entry sectors: 256
[ 174.127597][ T5849] current entry error: ok
[ 174.127604][ T5849] current entry: closed
[ 174.127611][ T5849] unwritten entries:
[ 174.127618][ T5849] last buf closed
[ 174.127625][ T5849] space:
[ 174.127632][ T5849] discarded 256:1792
[ 174.127639][ T5849] clean ondisk 256:1792
[ 174.127647][ T5849] clean 256:1792
[ 174.127654][ T5849] total 256:2048
[ 174.127662][ T5849] dev 0:
[ 174.127669][ T5849] durability 1:
[ 174.127677][ T5849] nr 8
[ 174.127684][ T5849] bucket size 256
[ 174.127691][ T5849] available 6:256
[ 174.127699][ T5849] discard_idx 0
[ 174.127706][ T5849] dirty_ondisk 0 (seq 0)
[ 174.127714][ T5849] dirty_idx 0 (seq 0)
[ 174.127721][ T5849] cur_idx 0 (seq 0)
[ 174.127729][ T5849] replicas want 1 need 1
[ 174.127736][ T5849]
[ 430.116234][ T31] INFO: task syz-executor120:5838 blocked for more than 143 seconds.
[ 430.124463][ T31] Not tainted 6.14.0-rc7-syzkaller-00069-g81e4f8d68c66 #0
[ 430.132268][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 430.141016][ T31] task:syz-executor120 state:D stack:23840 pid:5838 tgid:5838 ppid:5835 task_flags:0x400100 flags:0x00004002
[ 430.153051][ T31] Call Trace:
[ 430.156451][ T31]
[ 430.159402][ T31] __schedule+0x18bc/0x4c40
[ 430.163941][ T31] ? __pfx___schedule+0x10/0x10
[ 430.168893][ T31] ? __pfx_lock_release+0x10/0x10
[ 430.173976][ T31] ? schedule+0x90/0x320
[ 430.178325][ T31] schedule+0x14b/0x320
[ 430.182514][ T31] schedule_timeout+0xb0/0x290
[ 430.187356][ T31] ? __pfx_schedule_timeout+0x10/0x10
[ 430.192753][ T31] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 430.198836][ T31] ? wait_for_completion+0x2fe/0x620
[ 430.204189][ T31] ? wait_for_completion+0x2fe/0x620
[ 430.209570][ T31] ? _raw_spin_unlock_irq+0x23/0x50
[ 430.214813][ T31] ? lockdep_hardirqs_on+0x99/0x150
[ 430.220085][ T31] ? wait_for_completion+0x2fe/0x620
[ 430.225393][ T31] wait_for_completion+0x355/0x620
[ 430.230577][ T31] ? __pfx_wait_for_completion+0x10/0x10
[ 430.236305][ T31] ? synchronize_rcu+0x11b/0x360
[ 430.241270][ T31] ? kthread_unpark+0xd0/0x290
[ 430.246095][ T31] kthread_stop+0x1a1/0x640
[ 430.250633][ T31] bch2_copygc_stop+0x4f/0x150
[ 430.255406][ T31] __bch2_fs_read_only+0x47/0x450
[ 430.260515][ T31] bch2_fs_read_only+0xbff/0x12a0
[ 430.265601][ T31] ? __pfx_bch2_fs_read_only+0x10/0x10
[ 430.271143][ T31] ? __bch2_print+0x17a/0x220
[ 430.275858][ T31] ? down_write+0x18c/0x220
[ 430.280538][ T31] ? __pfx_down_write+0x10/0x10
[ 430.285435][ T31] ? hook_sb_delete+0xaa0/0xbd0
[ 430.290350][ T31] __bch2_fs_stop+0x105/0x5c0
[ 430.295037][ T31] ? __pfx___bch2_fs_stop+0x10/0x10
[ 430.300313][ T31] ? __pfx_evict_inodes+0x10/0x10
[ 430.305362][ T31] ? bch2_sync_fs+0x155/0x300
[ 430.310157][ T31] ? __pfx_bch2_put_super+0x10/0x10
[ 430.315395][ T31] generic_shutdown_super+0x139/0x2d0
[ 430.320842][ T31] bch2_kill_sb+0x41/0x50
[ 430.325212][ T31] deactivate_locked_super+0xc4/0x130
[ 430.330665][ T31] cleanup_mnt+0x41f/0x4b0
[ 430.335108][ T31] ? lockdep_hardirqs_on+0x99/0x150
[ 430.340375][ T31] task_work_run+0x24f/0x310
[ 430.345005][ T31] ? __pfx_task_work_run+0x10/0x10
[ 430.350177][ T31] ? path_umount+0x211/0xf80
[ 430.354801][ T31] ptrace_notify+0x2d9/0x380
[ 430.359485][ T31] ? __x64_sys_umount+0x123/0x170
[ 430.364552][ T31] ? user_path_at+0x44/0x60
[ 430.369116][ T31] ? __pfx_ptrace_notify+0x10/0x10
[ 430.374246][ T31] ? kmem_cache_free+0x195/0x410
[ 430.379240][ T31] ? __x64_sys_umount+0x123/0x170
[ 430.384304][ T31] syscall_exit_work+0xc7/0x1d0
[ 430.389227][ T31] syscall_exit_to_user_mode+0x24a/0x340
[ 430.394896][ T31] do_syscall_64+0x100/0x230
[ 430.399572][ T31] ? clear_bhb_loop+0x35/0x90
[ 430.404294][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 430.410285][ T31] RIP: 0033:0x7fd6d308e3c7
[ 430.414735][ T31] RSP: 002b:00007ffd102d2f08 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 430.423266][ T31] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd6d308e3c7
[ 430.431294][ T31] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd102d2fc0
[ 430.439309][ T31] RBP: 00007ffd102d2fc0 R08: 0000000000000000 R09: 0000000000000000
[ 430.447335][ T31] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffd102d4030
[ 430.455312][ T31] R13: 00005555647116c0 R14: 0000000000000001 R15: 431bde82d7b634db
[ 430.463359][ T31]
[ 430.466477][ T31] INFO: task bch-copygc/loop:5849 blocked for more than 143 seconds.
[ 430.474558][ T31] Not tainted 6.14.0-rc7-syzkaller-00069-g81e4f8d68c66 #0
[ 430.482255][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 430.490986][ T31] task:bch-copygc/loop state:D stack:19696 pid:5849 tgid:5849 ppid:2 task_flags:0x240040 flags:0x00024000
[ 430.502945][ T31] Call Trace:
[ 430.506293][ T31]
[ 430.509231][ T31] __schedule+0x18bc/0x4c40
[ 430.513741][ T31] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 430.519818][ T31] ? __pfx___schedule+0x10/0x10
[ 430.524692][ T31] ? __pfx_lock_release+0x10/0x10
[ 430.529866][ T31] ? bch2_print_allocator_stuck+0x165/0xcb0
[ 430.535798][ T31] ? bch2_print_allocator_stuck+0xc24/0xcb0
[ 430.541801][ T31] ? schedule+0x90/0x320
[ 430.546123][ T31] schedule+0x14b/0x320
[ 430.550311][ T31] __closure_sync+0x259/0x2f0
[ 430.554994][ T31] ? __closure_sync+0x149/0x2f0
[ 430.559958][ T31] ? __pfx___closure_sync+0x10/0x10
[ 430.565210][ T31] ? __bch2_wait_on_allocator+0x1d6/0x250
[ 430.570995][ T31] __bch2_write+0x5376/0x5a80
[ 430.575722][ T31] ? __pfx___might_resched+0x10/0x10
[ 430.581085][ T31] ? __pfx___bch2_write+0x10/0x10
[ 430.586188][ T31] ? __bch2_read_extent+0x2e99/0x4bf0
[ 430.591582][ T31] ? __pfx___bch2_read_extent+0x10/0x10
[ 430.597230][ T31] bch2_write+0x865/0x1660
[ 430.601685][ T31] ? __pfx_bch2_write+0x10/0x10
[ 430.606618][ T31] ? bch2_trans_srcu_unlock+0x441/0x5c0
[ 430.612191][ T31] ? bch2_data_update_read_done+0xfd/0x330
[ 430.618050][ T31] bch2_data_update_read_done+0x22e/0x330
[ 430.623801][ T31] ? __pfx_bch2_data_update_read_done+0x10/0x10
[ 430.630129][ T31] ? bch2_trans_srcu_unlock+0x450/0x5c0
[ 430.635708][ T31] bch2_moving_ctxt_do_pending_writes+0x44c/0x8d0
[ 430.642212][ T31] ? __pfx_bch2_moving_ctxt_do_pending_writes+0x10/0x10
[ 430.649315][ T31] bch2_move_ratelimit+0x76c/0xeb0
[ 430.654438][ T31] ? __pfx_bch2_move_ratelimit+0x10/0x10
[ 430.660150][ T31] ? bch2_backpointer_get_key+0x302/0x570
[ 430.665903][ T31] ? bch2_path_put+0xe1d/0x2290
[ 430.670834][ T31] ? bch2_btree_iter_advance+0x372/0x870
[ 430.676586][ T31] bch2_evacuate_bucket+0xfe9/0x3280
[ 430.681918][ T31] ? bch2_evacuate_bucket+0x2f6/0x3280
[ 430.687472][ T31] ? __pfx_bch2_evacuate_bucket+0x10/0x10
[ 430.693222][ T31] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 430.699278][ T31] ? register_lock_class+0x102/0x980
[ 430.704607][ T31] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 430.710571][ T31] ? stack_trace_save+0x118/0x1d0
[ 430.715639][ T31] ? bch2_backpointer_get_key+0x229/0x570
[ 430.721443][ T31] ? __lock_acquire+0x1397/0x2100
[ 430.726551][ T31] ? bch2_evacuate_bucket+0x2f6/0x3280
[ 430.732044][ T31] ? mark_lock+0x9a/0x360
[ 430.736436][ T31] ? __pfx_lock_release+0x10/0x10
[ 430.741494][ T31] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 430.747577][ T31] bch2_copygc+0x415d/0x4fa0
[ 430.752215][ T31] ? bch2_copygc+0x483/0x4fa0
[ 430.757075][ T31] ? __pfx_bch2_copygc+0x10/0x10
[ 430.762052][ T31] ? __pfx_lock_acquire+0x10/0x10
[ 430.767151][ T31] ? __pfx_lock_release+0x10/0x10
[ 430.772213][ T31] ? bch2_copygc+0x483/0x4fa0
[ 430.776961][ T31] ? bch2_copygc_wait_amount+0xc90/0xcf0
[ 430.782662][ T31] ? bch2_copygc+0x483/0x4fa0
[ 430.787447][ T31] ? bch2_trans_srcu_unlock+0x450/0x5c0
[ 430.793052][ T31] bch2_copygc_thread+0x6ef/0xba0
[ 430.798176][ T31] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 430.803753][ T31] ? bch2_copygc_thread+0x1ae/0xba0
[ 430.809043][ T31] ? _raw_spin_unlock_irqrestore+0x8f/0x140
[ 430.814973][ T31] ? lockdep_hardirqs_on+0x99/0x150
[ 430.820253][ T31] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 430.826218][ T31] ? __kthread_parkme+0x169/0x1d0
[ 430.831260][ T31] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 430.836876][ T31] kthread+0x7a9/0x920
[ 430.840980][ T31] ? __pfx_kthread+0x10/0x10
[ 430.845588][ T31] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 430.851207][ T31] ? __pfx_kthread+0x10/0x10
[ 430.855833][ T31] ? __pfx_kthread+0x10/0x10
[ 430.860518][ T31] ? __pfx_kthread+0x10/0x10
[ 430.865137][ T31] ? _raw_spin_unlock_irq+0x23/0x50
[ 430.870385][ T31] ? lockdep_hardirqs_on+0x99/0x150
[ 430.875606][ T31] ? __pfx_kthread+0x10/0x10
[ 430.880248][ T31] ret_from_fork+0x4b/0x80
[ 430.884685][ T31] ? __pfx_kthread+0x10/0x10
[ 430.889327][ T31] ret_from_fork_asm+0x1a/0x30
[ 430.894141][ T31]
[ 430.897257][ T31]
[ 430.897257][ T31] Showing all locks held in the system:
[ 430.904988][ T31] 1 lock held by khungtaskd/31:
[ 430.909891][ T31] #0: ffffffff8eb393e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0
[ 430.919880][ T31] 3 locks held by kworker/u8:7/3466:
[ 430.925173][ T31] #0: ffff88801b089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x98b/0x18e0
[ 430.936905][ T31] #1: ffffc9000c9afc60 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9c6/0x18e0
[ 430.949709][ T31] #2: ffffffff8e9d5290 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_disable+0x12/0x20
[ 430.959696][ T31] 2 locks held by getty/5579:
[ 430.964380][ T31] #0: ffff88803269b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 430.974257][ T31] #1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x616/0x1770
[ 430.984464][ T31] 2 locks held by syz-executor120/5838:
[ 430.990052][ T31] #0: ffff88807aa0e0e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0
[ 431.000339][ T31] #1: ffff888074480278 (&c->state_lock){+.+.}-{4:4}, at: __bch2_fs_stop+0xfd/0x5c0
[ 431.009826][ T31]
[ 431.012161][ T31] =============================================
[ 431.012161][ T31]
[ 431.020650][ T31] NMI backtrace for cpu 1
[ 431.020669][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.14.0-rc7-syzkaller-00069-g81e4f8d68c66 #0
[ 431.020690][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 431.020702][ T31] Call Trace:
[ 431.020708][ T31]
[ 431.020716][ T31] dump_stack_lvl+0x241/0x360
[ 431.020742][ T31] ? __pfx_dump_stack_lvl+0x10/0x10
[ 431.020762][ T31] ? __pfx__printk+0x10/0x10
[ 431.020801][ T31] nmi_cpu_backtrace+0x49c/0x4d0
[ 431.020833][ T31] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 431.020856][ T31] ? _printk+0xd5/0x120
[ 431.020885][ T31] ? __pfx__printk+0x10/0x10
[ 431.020914][ T31] ? __wake_up_klogd+0xcc/0x110
[ 431.020940][ T31] ? __pfx__printk+0x10/0x10
[ 431.020974][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 431.021001][ T31] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 431.021031][ T31] watchdog+0x1058/0x10a0
[ 431.021061][ T31] ? watchdog+0x1ea/0x10a0
[ 431.021095][ T31] ? __pfx_watchdog+0x10/0x10
[ 431.021142][ T31] kthread+0x7a9/0x920
[ 431.021170][ T31] ? __pfx_kthread+0x10/0x10
[ 431.021201][ T31] ? __pfx_watchdog+0x10/0x10
[ 431.021230][ T31] ? __pfx_kthread+0x10/0x10
[ 431.021258][ T31] ? __pfx_kthread+0x10/0x10
[ 431.021291][ T31] ? __pfx_kthread+0x10/0x10
[ 431.021319][ T31] ? _raw_spin_unlock_irq+0x23/0x50
[ 431.021346][ T31] ? lockdep_hardirqs_on+0x99/0x150
[ 431.021391][ T31] ? __pfx_kthread+0x10/0x10
[ 431.021422][ T31] ret_from_fork+0x4b/0x80
[ 431.021445][ T31] ? __pfx_kthread+0x10/0x10
[ 431.021475][ T31] ret_from_fork_asm+0x1a/0x30
[ 431.021512][ T31]
[ 431.021521][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 431.185372][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt+0x21/0x30
[ 431.186414][ T31] Kernel panic - not syncing: hung_task: blocked tasks
[ 431.186431][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.14.0-rc7-syzkaller-00069-g81e4f8d68c66 #0
[ 431.186458][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 431.186471][ T31] Call Trace:
[ 431.186481][ T31]
[ 431.186491][ T31] dump_stack_lvl+0x241/0x360
[ 431.186522][ T31] ? __pfx_dump_stack_lvl+0x10/0x10
[ 431.186552][ T31] ? __pfx__printk+0x10/0x10
[ 431.186584][ T31] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 431.186624][ T31] ? vscnprintf+0x5d/0x90
[ 431.186654][ T31] panic+0x349/0x880
[ 431.186689][ T31] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 431.186720][ T31] ? __pfx_panic+0x10/0x10
[ 431.186750][ T31] ? tick_nohz_tick_stopped+0x82/0xb0
[ 431.186777][ T31] ? __irq_work_queue_local+0x137/0x410
[ 431.186809][ T31] ? preempt_schedule_thunk+0x1a/0x30
[ 431.186841][ T31] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 431.186870][ T31] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 431.186901][ T31] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 431.186934][ T31] watchdog+0x1097/0x10a0
[ 431.186969][ T31] ? watchdog+0x1ea/0x10a0
[ 431.187007][ T31] ? __pfx_watchdog+0x10/0x10
[ 431.187038][ T31] kthread+0x7a9/0x920
[ 431.187069][ T31] ? __pfx_kthread+0x10/0x10
[ 431.187103][ T31] ? __pfx_watchdog+0x10/0x10
[ 431.187135][ T31] ? __pfx_kthread+0x10/0x10
[ 431.187165][ T31] ? __pfx_kthread+0x10/0x10
[ 431.187200][ T31] ? __pfx_kthread+0x10/0x10
[ 431.187231][ T31] ? _raw_spin_unlock_irq+0x23/0x50
[ 431.187260][ T31] ? lockdep_hardirqs_on+0x99/0x150
[ 431.187293][ T31] ? __pfx_kthread+0x10/0x10
[ 431.187326][ T31] ret_from_fork+0x4b/0x80
[ 431.187354][ T31] ? __pfx_kthread+0x10/0x10
[ 431.187387][ T31] ret_from_fork_asm+0x1a/0x30
[ 431.187426][ T31]
[ 431.373150][ T31] Kernel Offset: disabled
[ 431.377478][ T31] Rebooting in 86400 seconds..