./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor371576544 <...> Warning: Permanently added '10.128.0.173' (ED25519) to the list of known hosts. execve("./syz-executor371576544", ["./syz-executor371576544"], 0x7ffcc6473a00 /* 10 vars */) = 0 brk(NULL) = 0x55555925c000 brk(0x55555925cd00) = 0x55555925cd00 arch_prctl(ARCH_SET_FS, 0x55555925c380) = 0 set_tid_address(0x55555925c650) = 5080 set_robust_list(0x55555925c660, 24) = 0 rseq(0x55555925cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor371576544", 4096) = 27 getrandom("\xf4\x9b\x35\xb4\xc8\xb6\x34\x3e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555925cd00 brk(0x55555927dd00) = 0x55555927dd00 brk(0x55555927e000) = 0x55555927e000 mprotect(0x7f2021698000, 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 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 5081 attached , child_tidptr=0x55555925c650) = 5081 [pid 5081] set_robust_list(0x55555925c660, 24) = 0 [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5081] setpgid(0, 0) = 0 [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5081] write(3, "1000", 4) = 4 [pid 5081] close(3) = 0 [pid 5081] memfd_create("syzkaller", 0) = 3 [pid 5081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2019000000 [pid 5081] 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 5081] munmap(0x7f2019000000, 138412032) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5081] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5081] close(3) = 0 [pid 5081] close(4) = 0 [pid 5081] mkdir("./file0", 0777) = 0 [ 111.626304][ T5081] loop0: detected capacity change from 0 to 32768 [ 111.664201][ T5081] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 111.672886][ T5081] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 111.698841][ T5081] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 111.712080][ T1719] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 111.720152][ T1719] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [pid 5081] mount("/dev/loop0", "./file0", "gfs2", MS_SILENT, "" [pid 5080] kill(-5081, SIGKILL) = 0 [pid 5080] kill(5081, SIGKILL) = 0 [pid 5080] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5080] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5080] getdents64(3, 0x55555925d6f0 /* 2 entries */, 32768) = 48 [pid 5080] getdents64(3, 0x55555925d6f0 /* 0 entries */, 32768) = 0 [pid 5080] close(3) = 0 [ 286.225043][ T29] INFO: task kworker/1:2:1719 blocked for more than 143 seconds. [ 286.233057][ T29] Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 286.240726][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.249589][ T29] task:kworker/1:2 state:D stack:25168 pid:1719 tgid:1719 ppid:2 flags:0x00004000 [ 286.259909][ T29] Workqueue: gfs2_recovery gfs2_recover_func [ 286.266066][ T29] Call Trace: [ 286.269358][ T29] [ 286.272301][ T29] __schedule+0xf15/0x5c70 [ 286.276810][ T29] ? __pfx___lock_acquire+0x10/0x10 [ 286.282070][ T29] ? srso_return_thunk+0x5/0x5f [ 286.287050][ T29] ? hlock_class+0x4e/0x130 [ 286.291620][ T29] ? mark_lock+0xb5/0xc60 [ 286.296034][ T29] ? srso_return_thunk+0x5/0x5f [ 286.300960][ T29] ? __pfx___schedule+0x10/0x10 [ 286.305914][ T29] ? srso_return_thunk+0x5/0x5f [ 286.310841][ T29] ? schedule+0x298/0x350 [ 286.315253][ T29] ? __pfx_lock_release+0x10/0x10 [ 286.320347][ T29] ? srso_return_thunk+0x5/0x5f [ 286.325321][ T29] schedule+0xe7/0x350 [ 286.329457][ T29] io_schedule+0xbf/0x130 [ 286.333813][ T29] folio_wait_bit_common+0x3da/0x9c0 [ 286.339178][ T29] ? folio_wait_bit_common+0x13c/0x9c0 [ 286.344706][ T29] ? __pfx_folio_wait_bit_common+0x10/0x10 [ 286.350812][ T29] ? __submit_bio+0x102/0x310 [ 286.355610][ T29] ? __pfx_wake_page_function+0x10/0x10 [ 286.361195][ T29] ? srso_return_thunk+0x5/0x5f [ 286.366159][ T29] ? __filemap_get_folio+0x2b0/0xaa0 [ 286.371521][ T29] gfs2_jhead_process_page+0x4d7/0x5a0 [ 286.377092][ T29] ? __pfx_gfs2_jhead_process_page+0x10/0x10 [ 286.383165][ T29] gfs2_find_jhead+0xa56/0xd40 [ 286.388171][ T29] ? __pfx_gfs2_find_jhead+0x10/0x10 [ 286.393534][ T29] ? srso_return_thunk+0x5/0x5f [ 286.398509][ T29] ? gfs2_jdesc_check+0x239/0x2f0 [ 286.403627][ T29] gfs2_recover_func+0x729/0x2280 [ 286.408785][ T29] ? srso_return_thunk+0x5/0x5f [ 286.413717][ T29] ? srso_return_thunk+0x5/0x5f [ 286.418658][ T29] ? _find_first_zero_bit+0x94/0xb0 [ 286.423971][ T29] ? srso_return_thunk+0x5/0x5f [ 286.428939][ T29] ? add_lock_to_list+0x17d/0x380 [ 286.434067][ T29] ? __pfx_gfs2_recover_func+0x10/0x10 [ 286.439656][ T29] ? __pfx___lock_acquire+0x10/0x10 [ 286.445160][ T29] ? find_held_lock+0x2d/0x110 [ 286.450016][ T29] ? process_one_work+0x9ac/0x1a60 [ 286.455212][ T29] ? __pfx_gfs2_recover_func+0x10/0x10 [ 286.460754][ T29] process_one_work+0x9ac/0x1a60 [ 286.465838][ T29] ? __pfx_lock_acquire+0x10/0x10 [ 286.470923][ T29] ? __pfx_process_one_work+0x10/0x10 [ 286.476391][ T29] ? srso_return_thunk+0x5/0x5f [ 286.481324][ T29] ? srso_return_thunk+0x5/0x5f [ 286.486290][ T29] ? assign_work+0x1a0/0x250 [ 286.490952][ T29] worker_thread+0x6c8/0xf70 [ 286.495638][ T29] ? srso_return_thunk+0x5/0x5f [ 286.500579][ T29] ? __kthread_parkme+0x148/0x220 [ 286.505737][ T29] ? srso_return_thunk+0x5/0x5f [ 286.510669][ T29] ? __pfx_worker_thread+0x10/0x10 [ 286.515891][ T29] kthread+0x2c4/0x3a0 [ 286.520036][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.525350][ T29] ? __pfx_kthread+0x10/0x10 [ 286.529998][ T29] ret_from_fork+0x48/0x80 [ 286.534451][ T29] ? __pfx_kthread+0x10/0x10 [ 286.539113][ T29] ret_from_fork_asm+0x1a/0x30 [ 286.543964][ T29] [ 286.547128][ T29] INFO: task syz-executor371:5081 blocked for more than 143 seconds. [ 286.555266][ T29] Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 286.562475][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.571217][ T29] task:syz-executor371 state:D stack:25280 pid:5081 tgid:5081 ppid:5080 flags:0x00004006 [ 286.581469][ T29] Call Trace: [ 286.584935][ T29] [ 286.587937][ T29] __schedule+0xf15/0x5c70 [ 286.592388][ T29] ? __pfx___lock_acquire+0x10/0x10 [ 286.597674][ T29] ? hlock_class+0x4e/0x130 [ 286.602241][ T29] ? srso_return_thunk+0x5/0x5f [ 286.607205][ T29] ? mark_lock+0xb5/0xc60 [ 286.611591][ T29] ? srso_return_thunk+0x5/0x5f [ 286.616546][ T29] ? __pfx___schedule+0x10/0x10 [ 286.621458][ T29] ? srso_return_thunk+0x5/0x5f [ 286.626436][ T29] ? schedule+0x298/0x350 [ 286.630850][ T29] ? __pfx_lock_release+0x10/0x10 [ 286.635993][ T29] ? __pfx_lock_release+0x10/0x10 [ 286.641101][ T29] schedule+0xe7/0x350 [ 286.645305][ T29] bit_wait+0x15/0xe0 [ 286.649346][ T29] __wait_on_bit+0x65/0x180 [ 286.653898][ T29] ? __pfx_bit_wait+0x10/0x10 [ 286.658673][ T29] out_of_line_wait_on_bit+0xda/0x110 [ 286.664137][ T29] ? __pfx_out_of_line_wait_on_bit+0x10/0x10 [ 286.670232][ T29] ? srso_return_thunk+0x5/0x5f [ 286.675213][ T29] ? __pfx_wake_bit_function+0x10/0x10 [ 286.680711][ T29] ? srso_return_thunk+0x5/0x5f [ 286.685689][ T29] ? queue_work_on+0x97/0x120 [ 286.690467][ T29] gfs2_recover_journal+0x145/0x160 [ 286.695780][ T29] init_inodes+0x22af/0x2e50 [ 286.700453][ T29] ? __pfx_init_inodes+0x10/0x10 [ 286.705502][ T29] ? gfs2_fill_super+0x1a9c/0x2bf0 [ 286.710660][ T29] ? init_sb+0x9d8/0x10e0 [ 286.715096][ T29] ? __pfx_snprintf+0x10/0x10 [ 286.719880][ T29] ? gfs2_fill_super+0x1a9c/0x2bf0 [ 286.725095][ T29] ? srso_return_thunk+0x5/0x5f [ 286.730027][ T29] gfs2_fill_super+0x1a9c/0x2bf0 [ 286.735074][ T29] ? __pfx_gfs2_fill_super+0x10/0x10 [ 286.740423][ T29] ? gfs2_fill_super+0x1734/0x2bf0 [ 286.745638][ T29] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 286.751094][ T29] ? srso_return_thunk+0x5/0x5f [ 286.756027][ T29] ? set_blocksize+0x2b1/0x350 [ 286.760869][ T29] ? srso_return_thunk+0x5/0x5f [ 286.765855][ T29] ? sb_set_blocksize+0xf6/0x120 [ 286.770885][ T29] ? srso_return_thunk+0x5/0x5f [ 286.775851][ T29] ? setup_bdev_super+0x392/0x720 [ 286.780938][ T29] get_tree_bdev+0x372/0x610 [ 286.785797][ T29] ? __pfx_gfs2_fill_super+0x10/0x10 [ 286.791152][ T29] ? __pfx_get_tree_bdev+0x10/0x10 [ 286.796398][ T29] ? srso_return_thunk+0x5/0x5f [ 286.801438][ T29] ? srso_return_thunk+0x5/0x5f [ 286.806403][ T29] ? apparmor_capable+0x126/0x1e0 [ 286.811516][ T29] gfs2_get_tree+0x4e/0x280 [ 286.816107][ T29] vfs_get_tree+0x92/0x380 [ 286.820757][ T29] ? srso_return_thunk+0x5/0x5f [ 286.825742][ T29] path_mount+0x14e6/0x1f20 [ 286.830400][ T29] ? srso_return_thunk+0x5/0x5f [ 286.835335][ T29] ? kmem_cache_free+0x12e/0x360 [ 286.840334][ T29] ? __pfx_path_mount+0x10/0x10 [ 286.845313][ T29] ? srso_return_thunk+0x5/0x5f [ 286.850244][ T29] ? putname+0x12e/0x170 [ 286.854526][ T29] __x64_sys_mount+0x297/0x320 [ 286.859415][ T29] ? __pfx___x64_sys_mount+0x10/0x10 [ 286.864763][ T29] ? lockdep_hardirqs_on+0x7c/0x110 [ 286.870184][ T29] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.875472][ T29] ? srso_return_thunk+0x5/0x5f [ 286.880392][ T29] ? ptrace_notify+0xf1/0x130 [ 286.885290][ T29] do_syscall_64+0xd5/0x260 [ 286.889865][ T29] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.895879][ T29] RIP: 0033:0x7f2021605daa [ 286.900354][ T29] RSP: 002b:00007ffc36949538 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 286.908888][ T29] RAX: ffffffffffffffda RBX: 00007ffc36949550 RCX: 00007f2021605daa [ 286.916973][ T29] RDX: 0000000020021140 RSI: 0000000020021180 RDI: 00007ffc36949550 [ 286.925053][ T29] RBP: 0000000000000004 R08: 00007ffc36949590 R09: 0000000000021177 [ 286.933061][ T29] R10: 0000000000008000 R11: 0000000000000282 R12: 0000000000008000 [ 286.941111][ T29] R13: 00007ffc36949590 R14: 0000000000000003 R15: 0000000001000000 [ 286.949233][ T29] [ 286.952270][ T29] [ 286.952270][ T29] Showing all locks held in the system: [ 286.960059][ T29] 1 lock held by khungtaskd/29: [ 286.965009][ T29] #0: ffffffff8d7b49e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 [ 286.974998][ T29] 2 locks held by kworker/1:2/1719: [ 286.980250][ T29] #0: ffff8880193bb948 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work+0x1296/0x1a60 [ 286.991505][ T29] #1: ffffc90004a7fd80 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x906/0x1a60 [ 287.002926][ T29] 2 locks held by getty/4827: [ 287.007717][ T29] #0: ffff88802a8af0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 287.017667][ T29] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc8/0x1490 [ 287.027992][ T29] 1 lock held by syz-executor371/5081: [ 287.033506][ T29] #0: ffff88807bc0e0e0 (&type->s_umount_key#42/1){+.+.}-{3:3}, at: alloc_super+0x23d/0xbd0 [ 287.043926][ T29] [ 287.046351][ T29] ============================================= [ 287.046351][ T29] [ 287.054849][ T29] NMI backtrace for cpu 1 [ 287.059322][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 287.068802][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 287.078870][ T29] Call Trace: [ 287.082175][ T29] [ 287.085116][ T29] dump_stack_lvl+0x116/0x1f0 [ 287.089847][ T29] nmi_cpu_backtrace+0x27b/0x390 [ 287.094826][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.100843][ T29] nmi_trigger_cpumask_backtrace+0x29c/0x300 [ 287.106864][ T29] watchdog+0xf86/0x1210 [ 287.111140][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.115833][ T29] ? lockdep_hardirqs_on+0x7c/0x110 [ 287.121059][ T29] ? srso_return_thunk+0x5/0x5f [ 287.125959][ T29] ? __kthread_parkme+0x148/0x220 [ 287.131015][ T29] ? srso_return_thunk+0x5/0x5f [ 287.135898][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.140614][ T29] kthread+0x2c4/0x3a0 [ 287.144706][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.149929][ T29] ? __pfx_kthread+0x10/0x10 [ 287.154633][ T29] ret_from_fork+0x48/0x80 [ 287.159083][ T29] ? __pfx_kthread+0x10/0x10 [ 287.163690][ T29] ret_from_fork_asm+0x1a/0x30 [ 287.168518][ T29] [ 287.171768][ T29] Sending NMI from CPU 1 to CPUs 0: [ 287.177064][ C0] NMI backtrace for cpu 0 [ 287.177081][ C0] CPU: 0 PID: 4511 Comm: klogd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 287.177117][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 287.177136][ C0] RIP: 0010:write_comp_data+0x11/0x90 [ 287.177197][ C0] Code: 48 09 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 49 89 d2 49 89 f8 49 89 f1 65 48 8b 15 9f 9e 75 7e <65> 8b 05 a0 9e 75 7e a9 00 01 ff 00 74 0f f6 c4 01 74 59 8b 82 14 [ 287.177230][ C0] RSP: 0018:ffffc9000316f428 EFLAGS: 00000246 [ 287.177257][ C0] RAX: 0000000000000001 RBX: ffffc9000316f4b0 RCX: ffffffff813caa3f [ 287.177279][ C0] RDX: ffff888044261e00 RSI: 0000000000000000 RDI: 0000000000000001 [ 287.177301][ C0] RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 [ 287.177322][ C0] R10: 0000000000000001 R11: 0000000000000001 R12: ffffffff90d985c4 [ 287.177344][ C0] R13: ffffc9000316ff58 R14: 0000000000000001 R15: 0000000000000003 [ 287.177370][ C0] FS: 00007f3d5b203380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 287.177402][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.177435][ C0] CR2: 0000559464ffa600 CR3: 0000000028bae000 CR4: 0000000000350ef0 [ 287.177458][ C0] Call Trace: [ 287.177468][ C0] [ 287.177480][ C0] ? show_regs+0x8c/0xa0 [ 287.177511][ C0] ? nmi_cpu_backtrace+0x1d8/0x390 [ 287.177552][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.177602][ C0] ? nmi_handle+0x1ac/0x580 [ 287.177634][ C0] ? __pfx_perf_event_nmi_handler+0x10/0x10 [ 287.177679][ C0] ? write_comp_data+0x11/0x90 [ 287.177734][ C0] ? default_do_nmi+0x6a/0x160 [ 287.177773][ C0] ? exc_nmi+0x170/0x1e0 [ 287.177810][ C0] ? end_repeat_nmi+0xf/0x53 [ 287.177870][ C0] ? unwind_next_frame+0x136f/0x23a0 [ 287.177906][ C0] ? write_comp_data+0x11/0x90 [ 287.177961][ C0] ? write_comp_data+0x11/0x90 [ 287.178017][ C0] ? write_comp_data+0x11/0x90 [ 287.178071][ C0] [ 287.178081][ C0] [ 287.178091][ C0] unwind_next_frame+0x136f/0x23a0 [ 287.178127][ C0] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 287.178183][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 287.178238][ C0] arch_stack_walk+0x100/0x170 [ 287.178283][ C0] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 287.178340][ C0] stack_trace_save+0x95/0xd0 [ 287.178392][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 287.178448][ C0] ? hlock_class+0x4e/0x130 [ 287.178497][ C0] ? mark_lock+0xb5/0xc60 [ 287.178530][ C0] ? __pfx_mark_lock+0x10/0x10 [ 287.178563][ C0] ? srso_return_thunk+0x5/0x5f [ 287.178613][ C0] ? stack_trace_save+0x95/0xd0 [ 287.178666][ C0] __kfence_alloc+0x1bf/0x15d0 [ 287.178704][ C0] ? __pfx_mark_lock+0x10/0x10 [ 287.178739][ C0] ? __pfx___kfence_alloc+0x10/0x10 [ 287.178770][ C0] ? srso_return_thunk+0x5/0x5f [ 287.178820][ C0] ? __kfence_alloc+0x1bf/0x15d0 [ 287.178850][ C0] ? kmem_cache_alloc_node+0x207/0x340 [ 287.178885][ C0] ? __alloc_skb+0x2b1/0x380 [ 287.178933][ C0] ? alloc_skb_with_frags+0xe4/0x710 [ 287.178971][ C0] ? sock_alloc_send_pskb+0x7f1/0x980 [ 287.179023][ C0] ? unix_dgram_sendmsg+0x4b9/0x1b10 [ 287.179077][ C0] ? __sys_sendto+0x482/0x4e0 [ 287.179127][ C0] ? __x64_sys_sendto+0xe0/0x1c0 [ 287.179178][ C0] ? do_syscall_64+0xd5/0x260 [ 287.179229][ C0] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 287.179317][ C0] ? kmem_cache_alloc_node+0x1e3/0x340 [ 287.179357][ C0] ? __alloc_skb+0x2b1/0x380 [ 287.179403][ C0] kmem_cache_alloc_node+0x207/0x340 [ 287.179450][ C0] __alloc_skb+0x2b1/0x380 [ 287.179499][ C0] ? __pfx___alloc_skb+0x10/0x10 [ 287.179546][ C0] ? srso_return_thunk+0x5/0x5f [ 287.179595][ C0] ? __lock_acquire+0x14f4/0x3b30 [ 287.179641][ C0] alloc_skb_with_frags+0xe4/0x710 [ 287.179681][ C0] ? rcu_preempt_deferred_qs_irqrestore+0x505/0xb80 [ 287.179739][ C0] sock_alloc_send_pskb+0x7f1/0x980 [ 287.179794][ C0] ? srso_return_thunk+0x5/0x5f [ 287.179844][ C0] ? lock_acquire+0x1b1/0x540 [ 287.179886][ C0] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 287.179939][ C0] ? __pfx_lock_release+0x10/0x10 [ 287.179975][ C0] ? srso_return_thunk+0x5/0x5f [ 287.180024][ C0] ? do_raw_spin_lock+0x12d/0x2c0 [ 287.180068][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 287.180120][ C0] unix_dgram_sendmsg+0x4b9/0x1b10 [ 287.180179][ C0] ? srso_return_thunk+0x5/0x5f [ 287.180228][ C0] ? aa_sk_perm+0x2f5/0xb40 [ 287.180270][ C0] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 287.180323][ C0] ? __pfx_aa_sk_perm+0x10/0x10 [ 287.180368][ C0] ? srso_return_thunk+0x5/0x5f [ 287.180422][ C0] ? srso_return_thunk+0x5/0x5f [ 287.180476][ C0] __sys_sendto+0x482/0x4e0 [ 287.180529][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 287.180580][ C0] ? __pfx_lock_release+0x10/0x10 [ 287.180616][ C0] ? srso_return_thunk+0x5/0x5f [ 287.180676][ C0] ? srso_return_thunk+0x5/0x5f [ 287.180725][ C0] ? rcu_is_watching+0x12/0xc0 [ 287.180762][ C0] ? srso_return_thunk+0x5/0x5f [ 287.180822][ C0] ? __pfx_mem_cgroup_handle_over_high+0x10/0x10 [ 287.180876][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 287.180928][ C0] ? do_syscall_64+0x91/0x260 [ 287.180978][ C0] ? srso_return_thunk+0x5/0x5f [ 287.181028][ C0] ? lockdep_hardirqs_on+0x7c/0x110 [ 287.181075][ C0] ? srso_return_thunk+0x5/0x5f [ 287.181125][ C0] do_syscall_64+0xd5/0x260 [ 287.181179][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 287.181231][ C0] RIP: 0033:0x7f3d5b3659b5 [ 287.181256][ C0] Code: 8b 44 24 08 48 83 c4 28 48 98 c3 48 98 c3 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 26 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 7a 48 8b 15 44 c4 0c 00 f7 d8 64 89 02 48 83 [ 287.181288][ C0] RSP: 002b:00007ffc578ad848 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 287.181319][ C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3d5b3659b5 [ 287.181341][ C0] RDX: 000000000000008b RSI: 000055646d6317e0 RDI: 0000000000000003 [ 287.181363][ C0] RBP: 000055646d62d910 R08: 0000000000000000 R09: 0000000000000000 [ 287.181384][ C0] R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013 [ 287.181406][ C0] R13: 00007f3d5b4f3212 R14: 00007ffc578ad948 R15: 0000000000000000 [ 287.181446][ C0] [ 287.181458][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 4.394 msecs [ 287.182063][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 287.796001][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 287.805507][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 287.815597][ T29] Call Trace: [ 287.818900][ T29] [ 287.821857][ T29] dump_stack_lvl+0x3d/0x1f0 [ 287.827115][ T29] panic+0x6f5/0x7a0 [ 287.831050][ T29] ? __pfx_panic+0x10/0x10 [ 287.835542][ T29] ? srso_return_thunk+0x5/0x5f [ 287.840443][ T29] ? __irq_work_queue_local+0x136/0x410 [ 287.846043][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.852076][ T29] ? srso_return_thunk+0x5/0x5f [ 287.856976][ T29] ? irq_work_queue+0x2a/0x80 [ 287.861701][ T29] ? srso_return_thunk+0x5/0x5f [ 287.866603][ T29] ? watchdog+0xd3d/0x1210 [ 287.871055][ T29] ? watchdog+0xd30/0x1210 [ 287.875513][ T29] watchdog+0xd4e/0x1210 [ 287.879798][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.884508][ T29] ? lockdep_hardirqs_on+0x7c/0x110 [ 287.889759][ T29] ? srso_return_thunk+0x5/0x5f [ 287.894666][ T29] ? __kthread_parkme+0x148/0x220 [ 287.899744][ T29] ? srso_return_thunk+0x5/0x5f [ 287.904645][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.909356][ T29] kthread+0x2c4/0x3a0 [ 287.913459][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.918701][ T29] ? __pfx_kthread+0x10/0x10 [ 287.923326][ T29] ret_from_fork+0x48/0x80 [ 287.927832][ T29] ? __pfx_kthread+0x10/0x10 [ 287.932456][ T29] ret_from_fork_asm+0x1a/0x30 [ 287.937293][ T29] [ 287.940451][ T29] Kernel Offset: disabled [ 287.944784][ T29] Rebooting in 86400 seconds..