./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4100841160
<...>
Warning: Permanently added '10.128.1.185' (ED25519) to the list of known hosts.
execve("./syz-executor4100841160", ["./syz-executor4100841160"], 0x7fff84636860 /* 10 vars */) = 0
brk(NULL) = 0x555584179000
brk(0x555584179d00) = 0x555584179d00
arch_prctl(ARCH_SET_FS, 0x555584179380) = 0
set_tid_address(0x555584179650) = 5883
set_robust_list(0x555584179660, 24) = 0
rseq(0x555584179ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor4100841160", 4096) = 28
getrandom("\xc9\x97\x06\x73\x7c\xc8\x21\x81", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555584179d00
brk(0x55558419ad00) = 0x55558419ad00
brk(0x55558419b000) = 0x55558419b000
mprotect(0x7fc361de6000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
mkdir("./syzkaller.bdc0Fu", 0700) = 0
chmod("./syzkaller.bdc0Fu", 0777) = 0
chdir("./syzkaller.bdc0Fu") = 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 5884 attached
, child_tidptr=0x555584179650) = 5884
[pid 5884] set_robust_list(0x555584179660, 24) = 0
[pid 5884] chdir("./0") = 0
[pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5884] setpgid(0, 0) = 0
[pid 5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5884] write(3, "1000", 4) = 4
[pid 5884] close(3) = 0
[pid 5884] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5884] write(1, "executing program\n", 18executing program
) = 18
[pid 5884] memfd_create("syzkaller", 0) = 3
[pid 5884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc359800000
[pid 5884] 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 5884] munmap(0x7fc359800000, 138412032) = 0
[pid 5884] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5884] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5884] close(3) = 0
[pid 5884] close(4) = 0
[pid 5884] mkdir("./file0", 0777) = 0
[ 172.560588][ T5884] loop0: detected capacity change from 0 to 32768
[ 172.593730][ T5884] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 172.601982][ T5884] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 172.631240][ T5884] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 172.645292][ T1605] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 172.652117][ T1605] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 172.687582][ T1605] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 35ms
[ 172.695680][ T1605] gfs2: fsid=syz:syz.0: jid=0: Done
[ 172.701055][ T5884] gfs2: fsid=syz:syz.0: first mount done, others may mount
[pid 5884] mount("/dev/loop0", "./file0", "gfs2", 0, "") = 0
[pid 5884] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5884] chdir("./file0") = 0
[pid 5884] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5884] openat(AT_FDCWD, "./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 4
[ 172.765583][ T5884] gfs2: fsid=syz:syz.0: found 1 quota changes
[pid 5884] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0
[pid 5884] open("./bus", O_RDONLY) = 5
[pid 5884] ioctl(5, LOOP_SET_STATUS64, {lo_offset=0x1, lo_number=0, lo_flags=LO_FLAGS_AUTOCLEAR|LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0
[pid 5884] exit_group(0) = ?
[pid 5884] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=0, si_stime=39 /* 0.39 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
[ 172.873480][ T5884] loop0: detected capacity change from 32768 to 64
getdents64(3, 0x55558417a6f0 /* 4 entries */, 32768) = 112
umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0755, st_size=3864, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=3864, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555584182730 /* 3 entries */, 32768) = 72
umount2("./0/file0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./0/file0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/file0/bus", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./0/file0/bus") = 0
getdents64(4, 0x555584182730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("./0/file0") = -1 EBUSY (Device or resource busy)
[ 173.107175][ T5883] syz-executor410: attempt to access beyond end of device
[ 173.107175][ T5883] loop0: rw=1, sector=320, nr_sectors = 8 limit=64
[ 173.120868][ T5883] gfs2: fsid=syz:syz.0: Error -5 writing to journal, jid=0
[ 173.128721][ T5883] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 178.190102][ T5883] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 178.198963][ T5883] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 178.206180][ T5883] gfs2: fsid=syz:syz.0: File system withdrawn
[ 178.212235][ T5883] CPU: 0 UID: 0 PID: 5883 Comm: syz-executor410 Not tainted 6.16.0-syzkaller-11852-g479058002c32 #0 PREEMPT(full)
[ 178.212257][ T5883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 178.212268][ T5883] Call Trace:
[ 178.212275][ T5883]
[ 178.212283][ T5883] dump_stack_lvl+0x189/0x250
[ 178.212324][ T5883] ? __pfx_dump_stack_lvl+0x10/0x10
[ 178.212346][ T5883] ? __pfx__printk+0x10/0x10
[ 178.212372][ T5883] ? kobject_uevent_env+0x36b/0x8c0
[ 178.212411][ T5883] gfs2_withdraw+0xb30/0x1430
[ 178.212435][ T5883] ? srso_alias_return_thunk+0x5/0xfbef5
[ 178.212471][ T5883] ? __pfx_gfs2_withdraw+0x10/0x10
[ 178.212491][ T5883] ? __pfx_autoremove_wake_function+0x10/0x10
[ 178.212520][ T5883] ? do_raw_spin_unlock+0x122/0x240
[ 178.212546][ T5883] ? srso_alias_return_thunk+0x5/0xfbef5
[ 178.212566][ T5883] ? gfs2_flush_revokes+0xf5/0x140
[ 178.212586][ T5883] ? __pfx_revoke_lo_before_commit+0x10/0x10
[ 178.212615][ T5883] revoke_lo_before_commit+0x2f/0xe60
[ 178.212652][ T5883] ? srso_alias_return_thunk+0x5/0xfbef5
[ 178.212676][ T5883] ? srso_alias_return_thunk+0x5/0xfbef5
[ 178.212696][ T5883] ? do_raw_spin_unlock+0x122/0x240
[ 178.212718][ T5883] ? __pfx_revoke_lo_before_commit+0x10/0x10
[ 178.212750][ T5883] gfs2_log_flush+0xb8b/0x24c0
[ 178.212790][ T5883] ? __pfx_gfs2_log_flush+0x10/0x10
[ 178.212826][ T5883] ? __pfx_call_rcu+0x10/0x10
[ 178.212844][ T5883] ? radix_tree_delete_item+0x2b6/0x400
[ 178.212869][ T5883] gfs2_kill_sb+0x5d/0x340
[ 178.212888][ T5883] ? srso_alias_return_thunk+0x5/0xfbef5
[ 178.212908][ T5883] ? shrinker_free+0x2ce/0x3e0
[ 178.212930][ T5883] deactivate_locked_super+0xbc/0x130
[ 178.212954][ T5883] cleanup_mnt+0x425/0x4c0
[ 178.212973][ T5883] ? srso_alias_return_thunk+0x5/0xfbef5
[ 178.212993][ T5883] ? lockdep_hardirqs_on+0x9c/0x150
[ 178.213018][ T5883] task_work_run+0x1d4/0x260
[ 178.213045][ T5883] ? __pfx_task_work_run+0x10/0x10
[ 178.213077][ T5883] ? srso_alias_return_thunk+0x5/0xfbef5
[ 178.213097][ T5883] ? path_umount+0x1ea/0xb70
[ 178.213123][ T5883] ptrace_notify+0x281/0x2c0
[ 178.213155][ T5883] ? __pfx_ptrace_notify+0x10/0x10
[ 178.213186][ T5883] ? srso_alias_return_thunk+0x5/0xfbef5
[ 178.213206][ T5883] ? __x64_sys_umount+0x122/0x160
[ 178.213230][ T5883] ? __pfx___x64_sys_umount+0x10/0x10
[ 178.213253][ T5883] ? rcu_is_watching+0x15/0xb0
[ 178.213276][ T5883] syscall_exit_work+0xc6/0x1d0
[ 178.213307][ T5883] do_syscall_64+0x2ad/0x3b0
[ 178.213329][ T5883] ? lockdep_hardirqs_on+0x9c/0x150
[ 178.213350][ T5883] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 178.213366][ T5883] ? srso_alias_return_thunk+0x5/0xfbef5
[ 178.213387][ T5883] ? exc_page_fault+0x9f/0xf0
[ 178.213409][ T5883] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 178.213427][ T5883] RIP: 0033:0x7fc361d61587
[ 178.213443][ T5883] Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[ 178.213458][ T5883] RSP: 002b:00007ffef83329e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 178.213476][ T5883] RAX: 0000000000000000 RBX: 0000555584179338 RCX: 00007fc361d61587
[ 178.213489][ T5883] RDX: 00000000000108d0 RSI: 0000000000000009 RDI: 00007ffef8333b90
[ 178.213500][ T5883] RBP: 0000000000000064 R08: 0000555584182773 R09: 0000000000000000
[ 178.213512][ T5883] R10: 0000000000000100 R11: 0000000000000246 R12: 00007ffef8333b90
[ 178.213524][ T5883] R13: 0000555584182700 R14: 431bde82d7b634db R15: 00007ffef8334c20
[ 178.213553][ T5883]
[ 247.513243][ T1104] sched: DL replenish lagged too much
[ 429.063576][ T31] INFO: task kworker/1:1H:95 blocked for more than 143 seconds.
[ 429.071261][ T31] Not tainted 6.16.0-syzkaller-11852-g479058002c32 #0
[ 429.078670][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 429.087526][ T31] task:kworker/1:1H state:D stack:27176 pid:95 tgid:95 ppid:2 task_flags:0x4208060 flags:0x00004000
[ 429.099712][ T31] Workqueue: gfs2-glock/syz:syz glock_work_func
[ 429.106038][ T31] Call Trace:
[ 429.109319][ T31]
[ 429.112244][ T31] __schedule+0x1798/0x4cc0
[ 429.116886][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.122545][ T31] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 429.127983][ T31] ? __pfx___schedule+0x10/0x10
[ 429.132895][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.138609][ T31] ? schedule+0x91/0x360
[ 429.142868][ T31] schedule+0x165/0x360
[ 429.147125][ T31] io_schedule+0x80/0xd0
[ 429.151386][ T31] bit_wait_io+0x11/0xd0
[ 429.155769][ T31] __wait_on_bit_lock+0xec/0x4f0
[ 429.160731][ T31] ? __pfx_bit_wait_io+0x10/0x10
[ 429.165717][ T31] ? __pfx_bit_wait_io+0x10/0x10
[ 429.170701][ T31] out_of_line_wait_on_bit_lock+0x123/0x170
[ 429.176686][ T31] ? __pfx_out_of_line_wait_on_bit_lock+0x10/0x10
[ 429.183164][ T31] ? __pfx_wake_bit_function+0x10/0x10
[ 429.188627][ T31] ? find_lock_entries+0x10d/0xa60
[ 429.193846][ T31] block_invalidate_folio+0x376/0x730
[ 429.199258][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.204985][ T31] ? shmem_mapping+0xd/0x50
[ 429.209520][ T31] ? __pfx_block_invalidate_folio+0x10/0x10
[ 429.215506][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.221151][ T31] ? folio_mapping+0x16f/0x240
[ 429.225969][ T31] ? __pfx_block_invalidate_folio+0x10/0x10
[ 429.231880][ T31] truncate_cleanup_folio+0x2d8/0x430
[ 429.237346][ T31] truncate_inode_pages_range+0x233/0xda0
[ 429.243146][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.248817][ T31] ? kasan_save_track+0x4f/0x80
[ 429.253744][ T31] ? kasan_save_track+0x3e/0x80
[ 429.258611][ T31] ? kasan_save_free_info+0x46/0x50
[ 429.263887][ T31] ? __kasan_slab_free+0x5b/0x80
[ 429.268847][ T31] ? __pfx_truncate_inode_pages_range+0x10/0x10
[ 429.275198][ T31] ? glock_work_func+0x2a8/0x580
[ 429.280303][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.286016][ T31] ? gfs2_rgrp_brelse+0x142/0x180
[ 429.291069][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.296797][ T31] ? rgrp_go_inval+0x152/0x1d0
[ 429.301580][ T31] ? __pfx_rgrp_go_inval+0x10/0x10
[ 429.306750][ T31] do_xmote+0x6e7/0x1260
[ 429.311027][ T31] glock_work_func+0x2a8/0x580
[ 429.315882][ T31] ? process_scheduled_works+0x9ef/0x17b0
[ 429.321638][ T31] ? process_scheduled_works+0x9ef/0x17b0
[ 429.327456][ T31] process_scheduled_works+0xae1/0x17b0
[ 429.333160][ T31] ? __pfx_process_scheduled_works+0x10/0x10
[ 429.339234][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.344967][ T31] worker_thread+0x8a0/0xda0
[ 429.349586][ T31] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 429.356020][ T31] ? __kthread_parkme+0x7b/0x200
[ 429.360982][ T31] kthread+0x711/0x8a0
[ 429.365136][ T31] ? __pfx_worker_thread+0x10/0x10
[ 429.370276][ T31] ? __pfx_kthread+0x10/0x10
[ 429.374946][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.380611][ T31] ? _raw_spin_unlock_irq+0x23/0x50
[ 429.385889][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.391574][ T31] ? lockdep_hardirqs_on+0x9c/0x150
[ 429.396862][ T31] ? __pfx_kthread+0x10/0x10
[ 429.401495][ T31] ret_from_fork+0x3fc/0x770
[ 429.406148][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 429.411286][ T31] ? __switch_to_asm+0x39/0x70
[ 429.416148][ T31] ? __switch_to_asm+0x33/0x70
[ 429.420932][ T31] ? __pfx_kthread+0x10/0x10
[ 429.425609][ T31] ret_from_fork_asm+0x1a/0x30
[ 429.430450][ T31]
[ 429.433656][ T31] INFO: task syz-executor410:5883 blocked for more than 143 seconds.
[ 429.441726][ T31] Not tainted 6.16.0-syzkaller-11852-g479058002c32 #0
[ 429.449060][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 429.457830][ T31] task:syz-executor410 state:D stack:25128 pid:5883 tgid:5883 ppid:5880 task_flags:0x400100 flags:0x00004002
[ 429.470471][ T31] Call Trace:
[ 429.473826][ T31]
[ 429.476788][ T31] __schedule+0x1798/0x4cc0
[ 429.481333][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.487055][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.492712][ T31] ? validate_chain+0x897/0x2140
[ 429.497749][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.503446][ T31] ? __lock_acquire+0xab9/0xd20
[ 429.508318][ T31] ? __pfx___schedule+0x10/0x10
[ 429.513282][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.518951][ T31] ? schedule+0x91/0x360
[ 429.523264][ T31] schedule+0x165/0x360
[ 429.527468][ T31] schedule_timeout+0x9a/0x270
[ 429.532228][ T31] ? __pfx_schedule_timeout+0x10/0x10
[ 429.537699][ T31] ? _raw_spin_unlock_irq+0x23/0x50
[ 429.542920][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.548745][ T31] ? lockdep_hardirqs_on+0x9c/0x150
[ 429.554016][ T31] ? wait_for_completion+0x267/0x5d0
[ 429.559325][ T31] wait_for_completion+0x2bf/0x5d0
[ 429.564548][ T31] ? __pfx_wait_for_completion+0x10/0x10
[ 429.570197][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.575922][ T31] ? __flush_work+0xd2/0xbc0
[ 429.580545][ T31] ? __flush_work+0xd2/0xbc0
[ 429.585167][ T31] __flush_work+0x9b9/0xbc0
[ 429.589773][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.595476][ T31] ? __flush_work+0xd2/0xbc0
[ 429.600087][ T31] ? __pfx___flush_work+0x10/0x10
[ 429.605161][ T31] ? __pfx_wq_barrier_func+0x10/0x10
[ 429.610498][ T31] ? __pfx___timer_delete_sync+0x10/0x10
[ 429.616206][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.621849][ T31] ? preempt_schedule_common+0x83/0xd0
[ 429.627380][ T31] ? flush_delayed_work+0x11d/0x190
[ 429.632593][ T31] flush_delayed_work+0x13e/0x190
[ 429.637685][ T31] ? __pfx_flush_delayed_work+0x10/0x10
[ 429.643291][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.648917][ T31] ? preempt_schedule_thunk+0x16/0x30
[ 429.654352][ T31] gfs2_clear_rgrpd+0xd7/0x690
[ 429.659138][ T31] gfs2_put_super+0x8a7/0x950
[ 429.663859][ T31] ? __pfx_gfs2_put_super+0x10/0x10
[ 429.669076][ T31] generic_shutdown_super+0x135/0x2c0
[ 429.674513][ T31] kill_block_super+0x44/0x90
[ 429.679236][ T31] deactivate_locked_super+0xbc/0x130
[ 429.684648][ T31] cleanup_mnt+0x425/0x4c0
[ 429.689073][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.694766][ T31] ? lockdep_hardirqs_on+0x9c/0x150
[ 429.699977][ T31] task_work_run+0x1d4/0x260
[ 429.704614][ T31] ? __pfx_task_work_run+0x10/0x10
[ 429.709762][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.715442][ T31] ? path_umount+0x1ea/0xb70
[ 429.720051][ T31] ptrace_notify+0x281/0x2c0
[ 429.724712][ T31] ? __pfx_ptrace_notify+0x10/0x10
[ 429.729851][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.735557][ T31] ? __x64_sys_umount+0x122/0x160
[ 429.740604][ T31] ? __pfx___x64_sys_umount+0x10/0x10
[ 429.746041][ T31] ? rcu_is_watching+0x15/0xb0
[ 429.750827][ T31] syscall_exit_work+0xc6/0x1d0
[ 429.755782][ T31] do_syscall_64+0x2ad/0x3b0
[ 429.760388][ T31] ? lockdep_hardirqs_on+0x9c/0x150
[ 429.765628][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 429.771705][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.777394][ T31] ? exc_page_fault+0x9f/0xf0
[ 429.782097][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 429.788038][ T31] RIP: 0033:0x7fc361d61587
[ 429.792467][ T31] RSP: 002b:00007ffef83329e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 429.800939][ T31] RAX: 0000000000000000 RBX: 0000555584179338 RCX: 00007fc361d61587
[ 429.808953][ T31] RDX: 00000000000108d0 RSI: 0000000000000009 RDI: 00007ffef8333b90
[ 429.816997][ T31] RBP: 0000000000000064 R08: 0000555584182773 R09: 0000000000000000
[ 429.825030][ T31] R10: 0000000000000100 R11: 0000000000000246 R12: 00007ffef8333b90
[ 429.832993][ T31] R13: 0000555584182700 R14: 431bde82d7b634db R15: 00007ffef8334c20
[ 429.841043][ T31]
[ 429.844099][ T31]
[ 429.844099][ T31] Showing all locks held in the system:
[ 429.851791][ T31] 1 lock held by khungtaskd/31:
[ 429.856696][ T31] #0: ffffffff8e139ee0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 429.866634][ T31] 5 locks held by kworker/u8:2/36:
[ 429.871759][ T31] 2 locks held by kworker/1:1H/95:
[ 429.876951][ T31] #0: ffff88807c887548 ((wq_completion)gfs2-glock/syz:syz){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0
[ 429.889074][ T31] #1: ffffc900025dfbc0 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0
[ 429.901840][ T31] 2 locks held by getty/5617:
[ 429.906575][ T31] #0: ffff8880336520a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 429.916408][ T31] #1: ffffc900036c32f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
[ 429.926584][ T31] 1 lock held by syz-executor410/5883:
[ 429.932022][ T31] #0: ffff88807c9340e0 (&type->s_umount_key#42){+.+.}-{4:4}, at: deactivate_super+0xa9/0xe0
[ 429.942290][ T31]
[ 429.944637][ T31] =============================================
[ 429.944637][ T31]
[ 429.953039][ T31] NMI backtrace for cpu 0
[ 429.953054][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.16.0-syzkaller-11852-g479058002c32 #0 PREEMPT(full)
[ 429.953074][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 429.953085][ T31] Call Trace:
[ 429.953093][ T31]
[ 429.953100][ T31] dump_stack_lvl+0x189/0x250
[ 429.953129][ T31] ? __pfx_dump_stack_lvl+0x10/0x10
[ 429.953150][ T31] ? __pfx__printk+0x10/0x10
[ 429.953187][ T31] nmi_cpu_backtrace+0x39e/0x3d0
[ 429.953207][ T31] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 429.953239][ T31] ? __pfx__printk+0x10/0x10
[ 429.953264][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.953288][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 429.953319][ T31] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 429.953357][ T31] watchdog+0xf93/0xfe0
[ 429.953387][ T31] ? watchdog+0x1de/0xfe0
[ 429.953417][ T31] kthread+0x711/0x8a0
[ 429.953443][ T31] ? __pfx_watchdog+0x10/0x10
[ 429.953467][ T31] ? __pfx_kthread+0x10/0x10
[ 429.953487][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.953511][ T31] ? _raw_spin_unlock_irq+0x23/0x50
[ 429.953530][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.953550][ T31] ? lockdep_hardirqs_on+0x9c/0x150
[ 429.953569][ T31] ? __pfx_kthread+0x10/0x10
[ 429.953592][ T31] ret_from_fork+0x3fc/0x770
[ 429.953613][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 429.953636][ T31] ? __switch_to_asm+0x39/0x70
[ 429.953659][ T31] ? __switch_to_asm+0x33/0x70
[ 429.953681][ T31] ? __pfx_kthread+0x10/0x10
[ 429.953705][ T31] ret_from_fork_asm+0x1a/0x30
[ 429.953742][ T31]
[ 430.111383][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 430.116636][ C1] NMI backtrace for cpu 1
[ 430.116653][ C1] CPU: 1 UID: 0 PID: 36 Comm: kworker/u8:2 Not tainted 6.16.0-syzkaller-11852-g479058002c32 #0 PREEMPT(full)
[ 430.116679][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 430.116693][ C1] Workqueue: events_unbound toggle_allocation_gate
[ 430.116729][ C1] RIP: 0010:lockdep_hardirqs_on_prepare+0x155/0x2a0
[ 430.116764][ C1] Code: 75 bc eb 79 48 c7 c7 d0 ac 00 8e 4c 89 fe e8 d2 4f 61 03 eb c2 85 c0 7e 64 83 bb d0 0a 00 00 00 74 5b 45 31 ff eb 13 49 ff c7 <48> 63 83 e8 0a 00 00 49 83 c6 28 49 39 c7 7d 43 49 83 ff 31 73 2c
[ 430.116781][ C1] RSP: 0018:ffffc90000ac7680 EFLAGS: 00000002
[ 430.116799][ C1] RAX: 0000000000000001 RBX: ffff8881416f9e00 RCX: ffffffff93492018
[ 430.116814][ C1] RDX: 0000000000000006 RSI: ffff8881416fa8f0 RDI: ffff8881416f9e00
[ 430.116829][ C1] RBP: ffffc90000ac7810 R08: ffffffff8fa34137 R09: 1ffffffff1f46826
[ 430.116845][ C1] R10: dffffc0000000000 R11: fffffbfff1f46827 R12: ffff8881416faa08
[ 430.116861][ C1] R13: ffff88801a46e558 R14: ffff8881416fa8f0 R15: 0000000000000001
[ 430.116879][ C1] FS: 0000000000000000(0000) GS:ffff888125d24000(0000) knlGS:0000000000000000
[ 430.116896][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 430.116910][ C1] CR2: 000055feacc3c660 CR3: 000000000df36000 CR4: 0000000000350ef0
[ 430.116927][ C1] Call Trace:
[ 430.116935][ C1]
[ 430.116945][ C1] ? kmem_cache_alloc_bulk_noprof+0x149/0x790
[ 430.116977][ C1] trace_hardirqs_on+0x28/0x40
[ 430.117005][ C1] __text_poke+0x748/0xa10
[ 430.117057][ C1] ? __pfx_text_poke_memcpy+0x10/0x10
[ 430.117086][ C1] ? kmem_cache_alloc_bulk_noprof+0x149/0x790
[ 430.117122][ C1] ? __pfx___text_poke+0x10/0x10
[ 430.117149][ C1] ? rcu_is_watching+0x15/0xb0
[ 430.117169][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 430.117195][ C1] ? trace_contention_end+0x39/0x120
[ 430.117217][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 430.117245][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 430.117273][ C1] smp_text_poke_batch_finish+0x90a/0x1130
[ 430.117310][ C1] ? __pfx_smp_text_poke_batch_finish+0x10/0x10
[ 430.117343][ C1] ? arch_jump_label_transform_queue+0x97/0x110
[ 430.117378][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 430.117408][ C1] arch_jump_label_transform_apply+0x1c/0x30
[ 430.117442][ C1] static_key_enable_cpuslocked+0x128/0x250
[ 430.117476][ C1] static_key_enable+0x1a/0x20
[ 430.117506][ C1] toggle_allocation_gate+0xad/0x240
[ 430.117537][ C1] ? __pfx_toggle_allocation_gate+0x10/0x10
[ 430.117568][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 430.117594][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 430.117622][ C1] ? process_scheduled_works+0x9ef/0x17b0
[ 430.117642][ C1] ? process_scheduled_works+0x9ef/0x17b0
[ 430.117663][ C1] process_scheduled_works+0xae1/0x17b0
[ 430.117699][ C1] ? __pfx_process_scheduled_works+0x10/0x10
[ 430.117738][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 430.117767][ C1] worker_thread+0x8a0/0xda0
[ 430.117802][ C1] kthread+0x711/0x8a0
[ 430.117830][ C1] ? __pfx_worker_thread+0x10/0x10
[ 430.117851][ C1] ? __pfx_kthread+0x10/0x10
[ 430.117875][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 430.117902][ C1] ? _raw_spin_unlock_irq+0x23/0x50
[ 430.117925][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 430.117949][ C1] ? lockdep_hardirqs_on+0x9c/0x150
[ 430.117973][ C1] ? __pfx_kthread+0x10/0x10
[ 430.118000][ C1] ret_from_fork+0x3fc/0x770
[ 430.118023][ C1] ? __pfx_ret_from_fork+0x10/0x10
[ 430.118047][ C1] ? __switch_to_asm+0x39/0x70
[ 430.118076][ C1] ? __switch_to_asm+0x33/0x70
[ 430.118108][ C1] ? __pfx_kthread+0x10/0x10
[ 430.118134][ C1] ret_from_fork_asm+0x1a/0x30
[ 430.118172][ C1]
[ 430.118182][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.546 msecs
[ 430.118634][ T31] Kernel panic - not syncing: hung_task: blocked tasks
[ 430.118652][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.16.0-syzkaller-11852-g479058002c32 #0 PREEMPT(full)
[ 430.118680][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 430.118696][ T31] Call Trace:
[ 430.118706][ T31]
[ 430.118717][ T31] dump_stack_lvl+0x99/0x250
[ 430.118749][ T31] ? __asan_memcpy+0x40/0x70
[ 430.118779][ T31] ? __pfx_dump_stack_lvl+0x10/0x10
[ 430.118809][ T31] ? __pfx__printk+0x10/0x10
[ 430.118853][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 430.118887][ T31] vpanic+0x281/0x750
[ 430.118920][ T31] ? __pfx_vpanic+0x10/0x10
[ 430.118948][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 430.118977][ T31] ? tick_nohz_tick_stopped+0x86/0xb0
[ 430.119005][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 430.119034][ T31] ? __irq_work_queue_local+0x1de/0x550
[ 430.119076][ T31] panic+0xb9/0xc0
[ 430.119104][ T31] ? __pfx_panic+0x10/0x10
[ 430.119136][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 430.119164][ T31] ? irq_work_queue+0xbc/0x140
[ 430.119202][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 430.119230][ T31] ? nmi_trigger_cpumask_backtrace+0x234/0x300
[ 430.119275][ T31] watchdog+0xfd2/0xfe0
[ 430.119316][ T31] ? watchdog+0x1de/0xfe0
[ 430.119362][ T31] kthread+0x711/0x8a0
[ 430.119397][ T31] ? __pfx_watchdog+0x10/0x10
[ 430.119431][ T31] ? __pfx_kthread+0x10/0x10
[ 430.119459][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 430.119492][ T31] ? _raw_spin_unlock_irq+0x23/0x50
[ 430.119518][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 430.119547][ T31] ? lockdep_hardirqs_on+0x9c/0x150
[ 430.119574][ T31] ? __pfx_kthread+0x10/0x10
[ 430.119607][ T31] ret_from_fork+0x3fc/0x770
[ 430.119636][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 430.119668][ T31] ? __switch_to_asm+0x39/0x70
[ 430.119700][ T31] ? __switch_to_asm+0x33/0x70
[ 430.119732][ T31] ? __pfx_kthread+0x10/0x10
[ 430.119765][ T31] ret_from_fork_asm+0x1a/0x30
[ 430.119815][ T31]
[ 430.684354][ T31] Kernel Offset: disabled
[ 430.688656][ T31] Rebooting in 86400 seconds..