./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3556056925
<...>
Warning: Permanently added '10.128.1.182' (ED25519) to the list of known hosts.
execve("./syz-executor3556056925", ["./syz-executor3556056925"], 0x7ffd632c18c0 /* 10 vars */) = 0
brk(NULL) = 0x555580685000
brk(0x555580685d00) = 0x555580685d00
arch_prctl(ARCH_SET_FS, 0x555580685380) = 0
set_tid_address(0x555580685650) = 5820
set_robust_list(0x555580685660, 24) = 0
rseq(0x555580685ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3556056925", 4096) = 28
getrandom("\xb5\x93\x91\xeb\x0f\x0d\x23\x03", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555580685d00
brk(0x5555806a6d00) = 0x5555806a6d00
brk(0x5555806a7000) = 0x5555806a7000
mprotect(0x7f0eb6b4b000, 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.1PZxIS", 0700) = 0
chmod("./syzkaller.1PZxIS", 0777) = 0
chdir("./syzkaller.1PZxIS") = 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 5822 attached
, child_tidptr=0x555580685650) = 5822
[pid 5822] set_robust_list(0x555580685660, 24) = 0
[pid 5822] chdir("./0") = 0
[pid 5822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5822] setpgid(0, 0) = 0
[pid 5822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5822] write(3, "1000", 4) = 4
[pid 5822] close(3) = 0
[pid 5822] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 5822] write(1, "executing program\n", 18) = 18
[pid 5822] memfd_create("syzkaller", 0) = 3
[pid 5822] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0eae600000
[pid 5822] 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 5822] munmap(0x7f0eae600000, 138412032) = 0
[pid 5822] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5822] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5822] close(3) = 0
[pid 5822] close(4) = 0
[pid 5822] mkdir("./file0", 0777) = 0
[ 77.975014][ T5822] loop0: detected capacity change from 0 to 32768
[ 78.069714][ T5822] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[ 78.085500][ T5822] bcachefs (loop0): recovering from clean shutdown, journal seq 13
[ 78.107179][ T5822] bcachefs (loop0): accounting_read... done
[ 78.114367][ T5822] bcachefs (loop0): alloc_read... done
[ 78.119983][ T5822] bcachefs (loop0): stripes_read... done
[ 78.125697][ T5822] bcachefs (loop0): snapshots_read... done
[ 78.134105][ T5822] bcachefs (loop0): journal_replay... done
[ 78.140084][ T5822] bcachefs (loop0): resume_logged_ops... done
[ 78.146245][ T5822] bcachefs (loop0): delete_dead_inodes... done
[ 78.155197][ T5822] bcachefs (loop0): going read-write
[pid 5822] mount("/dev/loop0", "./file0", "bcachefs", 0, "") = 0
[pid 5822] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5822] chdir("./file0") = 0
[pid 5822] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5822] ioctl(4, LOOP_CLR_FD) = 0
[ 78.167819][ T5822] bcachefs (loop0): done starting filesystem
[pid 5822] close(4) = 0
[pid 5822] exit_group(0) = ?
[pid 5822] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5822, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=30 /* 0.30 s */} ---
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
[ 78.215924][ T5822] syz-executor355 (5822) used greatest stack depth: 19280 bytes left
getdents64(3, 0x5555806866f0 /* 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
[ 78.335632][ T5820] bcachefs (loop0): shutting down
[ 78.341021][ T5820] bcachefs (loop0): going read-only
[ 78.346389][ T5820] bcachefs (loop0): finished waiting for writes to stop
[ 92.152396][ T972] cfg80211: failed to load regulatory.db
[ 108.800594][ T5831] Allocator stuck? Waited for 30 seconds
[ 108.800614][ T5831] Allocator debug:
[ 108.800623][ T5831] capacity1536
[ 108.800630][ T5831] reserved 31232
[ 108.800637][ T5831] hidden 0
[ 108.800646][ T5831] btree 0
[ 108.800653][ T5831] data 0
[ 108.800660][ T5831] cached 0
[ 108.800668][ T5831] reserved 0
[ 108.800675][ T5831] online_reserved 24
[ 108.800682][ T5831] nr_inodes 0
[ 108.800689][ T5831]
[ 108.800696][ T5831] freelist_wait waiting
[ 108.800703][ T5831] open buckets allocated1
[ 108.800710][ T5831] open buckets total 1024
[ 108.800718][ T5831] open_buckets_wait empty
[ 108.800726][ T5831] open_buckets_btree 0
[ 108.800733][ T5831] open_buckets_user 0
[ 108.800741][ T5831] btree reserve cache 0
[ 108.800748][ T5831]
[ 108.800754][ T5831] Dev 0:
[ 108.800761][ T5831] buckets sectors fragmented
[ 108.800769][ T5831] free 0 0 0
[ 108.800778][ T5831] sb 0 0 0
[ 108.800787][ T5831] journal 0 0 0
[ 108.800795][ T5831] btree 0 0 0
[ 108.800804][ T5831] user 0 0 0
[ 108.800812][ T5831] cached 0 0 0
[ 108.800822][ T5831] parity 0 0 0
[ 108.800831][ T5831] stripe 0 0 0
[ 108.800839][ T5831] need_gc_gens 0 0 0
[ 108.800848][ T5831] need_discard 0 0 0
[ 108.800856][ T5831] unstriped 0 0 0
[ 108.800865][ T5831] capacity 128
[ 108.800872][ T5831]
[ 108.800878][ T5831] reserves:
[ 108.800885][ T5831] stripe 60
[ 108.800892][ T5831] normal 58
[ 108.800900][ T5831] copygc 56
[ 108.800907][ T5831] btree 28
[ 108.800914][ T5831] btree_copygc 0
[ 108.800922][ T5831] reclaim 0
[ 108.800929][ T5831] interior_updates 0
[ 108.800936][ T5831]
[ 108.800942][ T5831] open buckets 0
[ 108.800950][ T5831] buckets to invalidate 0
[ 108.800957][ T5831]
[ 108.800963][ T5831] Copygc debug:
[ 108.800970][ T5831] running: 0
[ 108.800978][ T5831] copygc_wait:0
[ 108.800986][ T5831] copygc_wait_at:0
[ 108.800993][ T5831] Currently waiting for:0 B
[ 108.801000][ T5831] Currently waiting since:640 KiB
[ 108.801008][ T5831] Currently calculated wait:0 B
[ 108.801015][ T5831]
[ 108.801021][ T5831] Journal debug:
[ 108.801028][ T5831] flags: replay_done,running,may_skip_flush,need_flush_write
[ 108.801038][ T5831] dirty journal entries: 0/32768
[ 108.801045][ T5831] seq: 13
[ 108.801052][ T5831] seq_ondisk: 13
[ 108.801060][ T5831] last_seq: 14
[ 108.801067][ T5831] last_seq_ondisk: 14
[ 108.801075][ T5831] flushed_seq_ondisk: 13
[ 108.801082][ T5831] watermark: stripe
[ 108.801090][ T5831] each entry reserved: 321
[ 108.801097][ T5831] nr flush writes: 0
[ 108.801105][ T5831] nr noflush writes: 0
[ 108.801112][ T5831] average write size: 0 B
[ 108.801119][ T5831] nr direct reclaim: 0
[ 108.801127][ T5831] nr background reclaim: 0
[ 108.801134][ T5831] reclaim kicked: 0
[ 108.801141][ T5831] reclaim runs in: 0 ms
[ 108.801149][ T5831] blocked: 0
[ 108.801156][ T5831] current entry sectors: 256
[ 108.801163][ T5831] current entry error: ok
[ 108.801171][ T5831] current entry: closed
[ 108.801180][ T5831] unwritten entries:
[ 108.801187][ T5831] last buf closed
[ 108.801194][ T5831] space:
[ 108.801201][ T5831] discarded 256:1792
[ 108.801208][ T5831] clean ondisk 256:1792
[ 108.801216][ T5831] clean 256:1792
[ 108.801223][ T5831] total 256:2048
[ 108.801231][ T5831] dev 0:
[ 108.801237][ T5831] nr 8
[ 108.801245][ T5831] bucket size 256
[ 108.801252][ T5831] available 6:256
[ 108.801259][ T5831] discard_idx 0
[ 108.801267][ T5831] dirty_ondisk 0 (seq 0)
[ 108.801274][ T5831] dirty_idx 0 (seq 0)
[ 108.801282][ T5831] cur_idx 0 (seq 0)
[ 108.801289][ T5831]
[ 286.710001][ T30] INFO: task syz-executor355:5820 blocked for more than 143 seconds.
[ 286.718229][ T30] Not tainted 6.13.0-rc1-syzkaller-00025-gfeffde684ac2 #0
[ 286.725949][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.734851][ T30] task:syz-executor355 state:D stack:23840 pid:5820 tgid:5820 ppid:5817 flags:0x00004002
[ 286.745175][ T30] Call Trace:
[ 286.748489][ T30]
[ 286.751502][ T30] __schedule+0x17fb/0x4be0
[ 286.756086][ T30] ? __pfx___schedule+0x10/0x10
[ 286.761005][ T30] ? __pfx_lock_release+0x10/0x10
[ 286.766070][ T30] ? schedule+0x90/0x320
[ 286.770373][ T30] schedule+0x14b/0x320
[ 286.774570][ T30] schedule_timeout+0xb0/0x290
[ 286.779368][ T30] ? __pfx_schedule_timeout+0x10/0x10
[ 286.784848][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 286.790907][ T30] ? wait_for_completion+0x2fe/0x620
[ 286.796218][ T30] ? wait_for_completion+0x2fe/0x620
[ 286.801581][ T30] ? _raw_spin_unlock_irq+0x23/0x50
[ 286.806816][ T30] ? lockdep_hardirqs_on+0x99/0x150
[ 286.812172][ T30] ? wait_for_completion+0x2fe/0x620
[ 286.817501][ T30] wait_for_completion+0x355/0x620
[ 286.822689][ T30] ? __pfx_wait_for_completion+0x10/0x10
[ 286.828357][ T30] ? synchronize_rcu+0x11b/0x360
[ 286.833359][ T30] ? kthread_unpark+0xd0/0x290
[ 286.838153][ T30] kthread_stop+0x19e/0x640
[ 286.843117][ T30] bch2_copygc_stop+0x4f/0x150
[ 286.847957][ T30] __bch2_fs_read_only+0x47/0x450
[ 286.853123][ T30] bch2_fs_read_only+0xb57/0x1200
[ 286.858207][ T30] ? __pfx_bch2_fs_read_only+0x10/0x10
[ 286.863811][ T30] ? __bch2_print+0x17a/0x220
[ 286.868524][ T30] ? down_write+0x18c/0x220
[ 286.873133][ T30] ? __pfx_down_write+0x10/0x10
[ 286.878024][ T30] ? hook_sb_delete+0xaa0/0xbd0
[ 286.882974][ T30] __bch2_fs_stop+0x105/0x5c0
[ 286.887687][ T30] ? __pfx___bch2_fs_stop+0x10/0x10
[ 286.892981][ T30] ? __pfx_evict_inodes+0x10/0x10
[ 286.898038][ T30] ? bch2_sync_fs+0x155/0x300
[ 286.902797][ T30] ? __pfx_bch2_put_super+0x10/0x10
[ 286.908032][ T30] generic_shutdown_super+0x139/0x2d0
[ 286.913528][ T30] bch2_kill_sb+0x41/0x50
[ 286.917902][ T30] deactivate_locked_super+0xc4/0x130
[ 286.923367][ T30] cleanup_mnt+0x41f/0x4b0
[ 286.927826][ T30] ? lockdep_hardirqs_on+0x99/0x150
[ 286.933138][ T30] task_work_run+0x24f/0x310
[ 286.937781][ T30] ? __pfx_task_work_run+0x10/0x10
[ 286.943074][ T30] ? path_umount+0x284/0xf70
[ 286.947719][ T30] ptrace_notify+0x2d2/0x380
[ 286.952547][ T30] ? __pfx_ptrace_notify+0x10/0x10
[ 286.957710][ T30] ? kmem_cache_free+0x195/0x410
[ 286.962769][ T30] ? __x64_sys_umount+0x123/0x170
[ 286.967842][ T30] syscall_exit_work+0xc7/0x1d0
[ 286.972847][ T30] syscall_exit_to_user_mode+0x24a/0x340
[ 286.978552][ T30] do_syscall_64+0x100/0x230
[ 286.983254][ T30] ? clear_bhb_loop+0x35/0x90
[ 286.987978][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.993979][ T30] RIP: 0033:0x7f0eb6ac9307
[ 286.998435][ T30] RSP: 002b:00007ffd685b9db8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 287.006918][ T30] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f0eb6ac9307
[ 287.015066][ T30] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd685b9e70
[ 287.023125][ T30] RBP: 00007ffd685b9e70 R08: 0000000000000000 R09: 0000000000000000
[ 287.031174][ T30] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd685baed0
[ 287.039154][ T30] R13: 00005555806866c0 R14: 0000000000000001 R15: 431bde82d7b634db
[ 287.047201][ T30]
[ 287.050333][ T30] INFO: task bch-copygc/loop:5831 blocked for more than 143 seconds.
[ 287.058414][ T30] Not tainted 6.13.0-rc1-syzkaller-00025-gfeffde684ac2 #0
[ 287.066159][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 287.074903][ T30] task:bch-copygc/loop state:D stack:17072 pid:5831 tgid:5831 ppid:2 flags:0x00024000
[ 287.085145][ T30] Call Trace:
[ 287.088452][ T30]
[ 287.091490][ T30] __schedule+0x17fb/0x4be0
[ 287.096043][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 287.102115][ T30] ? __pfx___schedule+0x10/0x10
[ 287.107016][ T30] ? __pfx_lock_release+0x10/0x10
[ 287.112154][ T30] ? bch2_print_allocator_stuck+0x165/0xcb0
[ 287.118095][ T30] ? bch2_print_allocator_stuck+0xc24/0xcb0
[ 287.124073][ T30] ? schedule+0x90/0x320
[ 287.128392][ T30] schedule+0x14b/0x320
[ 287.132654][ T30] __closure_sync+0x259/0x2f0
[ 287.137370][ T30] ? __closure_sync+0x149/0x2f0
[ 287.142291][ T30] ? __pfx___closure_sync+0x10/0x10
[ 287.147522][ T30] ? __bch2_wait_on_allocator+0x1d6/0x250
[ 287.153337][ T30] __bch2_write+0x562a/0x5dd0
[ 287.158089][ T30] ? __pfx___bch2_write+0x10/0x10
[ 287.163453][ T30] ? validate_chain+0x15c0/0x5920
[ 287.168551][ T30] ? __pfx_validate_chain+0x10/0x10
[ 287.173867][ T30] ? mark_lock+0x9a/0x360
[ 287.178235][ T30] ? __lock_acquire+0x1397/0x2100
[ 287.183341][ T30] bch2_write+0x9b5/0x1760
[ 287.187824][ T30] ? __pfx_validate_chain+0x10/0x10
[ 287.193157][ T30] ? __pfx_bch2_write+0x10/0x10
[ 287.198059][ T30] ? psi_task_change+0xed/0x270
[ 287.203071][ T30] ? bch2_trans_srcu_unlock+0x43e/0x5c0
[ 287.208659][ T30] ? bch2_data_update_read_done+0xfd/0x330
[ 287.214563][ T30] bch2_data_update_read_done+0x22e/0x330
[ 287.220378][ T30] ? __pfx_bch2_data_update_read_done+0x10/0x10
[ 287.226655][ T30] ? bch2_trans_srcu_unlock+0x44d/0x5c0
[ 287.232301][ T30] bch2_moving_ctxt_do_pending_writes+0x44c/0x8d0
[ 287.238782][ T30] ? __pfx_bch2_moving_ctxt_do_pending_writes+0x10/0x10
[ 287.245824][ T30] move_buckets_wait+0x182/0x1290
[ 287.250944][ T30] ? __pfx_move_buckets_wait+0x10/0x10
[ 287.256564][ T30] ? bch2_get_next_online_dev+0x2b/0x4f0
[ 287.262280][ T30] ? bch2_get_next_online_dev+0x4b9/0x4f0
[ 287.268031][ T30] ? bch2_get_next_online_dev+0x2b/0x4f0
[ 287.273797][ T30] bch2_copygc_thread+0x83f/0xc10
[ 287.278882][ T30] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 287.284510][ T30] ? bch2_copygc_thread+0x1a1/0xc10
[ 287.289852][ T30] ? _raw_spin_unlock_irqrestore+0x8f/0x140
[ 287.295755][ T30] ? lockdep_hardirqs_on+0x99/0x150
[ 287.301025][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 287.306950][ T30] ? __kthread_parkme+0x169/0x1d0
[ 287.312064][ T30] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 287.317637][ T30] kthread+0x2f0/0x390
[ 287.321768][ T30] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 287.327344][ T30] ? __pfx_kthread+0x10/0x10
[ 287.332020][ T30] ret_from_fork+0x4b/0x80
[ 287.336463][ T30] ? __pfx_kthread+0x10/0x10
[ 287.341115][ T30] ret_from_fork_asm+0x1a/0x30
[ 287.345955][ T30]
[ 287.348996][ T30]
[ 287.348996][ T30] Showing all locks held in the system:
[ 287.356826][ T30] 1 lock held by khungtaskd/30:
[ 287.361757][ T30] #0: ffffffff8e937aa0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0
[ 287.371785][ T30] 2 locks held by getty/5575:
[ 287.376490][ T30] #0: ffff88814e0b60a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 287.386380][ T30] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00
[ 287.396603][ T30] 2 locks held by syz-executor355/5820:
[ 287.402198][ T30] #0: ffff888072b940e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0
[ 287.412520][ T30] #1: ffff888075a00278 (&c->state_lock){+.+.}-{4:4}, at: __bch2_fs_stop+0xfd/0x5c0
[ 287.422026][ T30]
[ 287.424387][ T30] =============================================
[ 287.424387][ T30]
[ 287.432954][ T30] NMI backtrace for cpu 0
[ 287.437314][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc1-syzkaller-00025-gfeffde684ac2 #0
[ 287.447812][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 287.457863][ T30] Call Trace:
[ 287.461146][ T30]
[ 287.464076][ T30] dump_stack_lvl+0x241/0x360
[ 287.468764][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 287.473965][ T30] ? __pfx__printk+0x10/0x10
[ 287.478563][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 287.483507][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 287.488966][ T30] ? _printk+0xd5/0x120
[ 287.493131][ T30] ? __pfx__printk+0x10/0x10
[ 287.497721][ T30] ? __wake_up_klogd+0xcc/0x110
[ 287.502574][ T30] ? __pfx__printk+0x10/0x10
[ 287.507166][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 287.513160][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 287.519154][ T30] watchdog+0xff6/0x1040
[ 287.523408][ T30] ? watchdog+0x1ea/0x1040
[ 287.527825][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.532500][ T30] kthread+0x2f0/0x390
[ 287.536567][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.541239][ T30] ? __pfx_kthread+0x10/0x10
[ 287.545828][ T30] ret_from_fork+0x4b/0x80
[ 287.550242][ T30] ? __pfx_kthread+0x10/0x10
[ 287.554831][ T30] ret_from_fork_asm+0x1a/0x30
[ 287.559606][ T30]
[ 287.562791][ T30] Sending NMI from CPU 0 to CPUs 1:
[ 287.568055][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt+0x21/0x30
[ 287.569084][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 287.584074][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc1-syzkaller-00025-gfeffde684ac2 #0
[ 287.594581][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 287.604639][ T30] Call Trace:
[ 287.607924][ T30]
[ 287.610860][ T30] dump_stack_lvl+0x241/0x360
[ 287.615556][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 287.620770][ T30] ? __pfx__printk+0x10/0x10
[ 287.625369][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 287.631362][ T30] ? vscnprintf+0x5d/0x90
[ 287.635701][ T30] panic+0x349/0x880
[ 287.639608][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 287.645772][ T30] ? __pfx_panic+0x10/0x10
[ 287.650205][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 287.655583][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 287.661747][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 287.667910][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 287.674074][ T30] watchdog+0x1035/0x1040
[ 287.678415][ T30] ? watchdog+0x1ea/0x1040
[ 287.682857][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.687541][ T30] kthread+0x2f0/0x390
[ 287.691620][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.696333][ T30] ? __pfx_kthread+0x10/0x10
[ 287.700930][ T30] ret_from_fork+0x4b/0x80
[ 287.705352][ T30] ? __pfx_kthread+0x10/0x10
[ 287.709949][ T30] ret_from_fork_asm+0x1a/0x30
[ 287.714737][ T30]
[ 287.718107][ T30] Kernel Offset: disabled
[ 287.722436][ T30] Rebooting in 86400 seconds..