./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2740842145 <...> Warning: Permanently added '10.128.1.76' (ED25519) to the list of known hosts. execve("./syz-executor2740842145", ["./syz-executor2740842145"], 0x7ffff868ce80 /* 10 vars */) = 0 brk(NULL) = 0x5555686e8000 brk(0x5555686e8d00) = 0x5555686e8d00 arch_prctl(ARCH_SET_FS, 0x5555686e8380) = 0 set_tid_address(0x5555686e8650) = 5070 set_robust_list(0x5555686e8660, 24) = 0 rseq(0x5555686e8ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2740842145", 4096) = 28 getrandom("\x6f\xc8\xbc\x3e\x4f\xed\xea\xfc", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555686e8d00 brk(0x555568709d00) = 0x555568709d00 brk(0x55556870a000) = 0x55556870a000 mprotect(0x7fc953412000, 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 5071 attached , child_tidptr=0x5555686e8650) = 5071 [pid 5071] set_robust_list(0x5555686e8660, 24) = 0 [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5071] setpgid(0, 0) = 0 [pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "1000", 4) = 4 [pid 5071] close(3) = 0 [pid 5071] getegid() = 0 [pid 5071] memfd_create("syzkaller", 0) = 3 [pid 5071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc94ae00000 [pid 5071] 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"..., 262144) = 262144 [pid 5071] munmap(0x7fc94ae00000, 138412032) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5071] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5071] close(3) = 0 [pid 5071] close(4) = 0 [pid 5071] mkdir("./file1", 0777) = 0 [ 72.858863][ T5071] loop0: detected capacity change from 0 to 512 [ 72.887526][ T5071] EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! [ 72.921606][ T5071] EXT4-fs error (device loop0): ext4_do_update_inode:5082: inode #3: comm syz-executor274: corrupted inode contents [ 72.935593][ T5071] EXT4-fs error (device loop0): ext4_dirty_inode:5942: inode #3: comm syz-executor274: mark_inode_dirty error [ 72.948602][ T5071] EXT4-fs error (device loop0): ext4_do_update_inode:5082: inode #3: comm syz-executor274: corrupted inode contents [ 72.961357][ T5071] EXT4-fs error (device loop0): __ext4_ext_dirty:202: inode #3: comm syz-executor274: mark_inode_dirty error [ 72.975505][ T5071] Quota error (device loop0): write_blk: dquota write failed [ 72.983272][ T5071] Quota error (device loop0): qtree_write_dquot: Error -117 occurred while creating quota [ 72.997980][ T5071] EXT4-fs (loop0): 1 orphan inode deleted [ 73.003954][ T5071] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [pid 5071] mount("/dev/loop0", "./file1", "ext4", MS_LAZYTIME, ",errors=continue") = 0 [pid 5071] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5071] chdir("./file1") = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5071] lsetxattr("./file0", "trusted.overlay.upper", "\x00\xfb\x01\x00\x00\x95\xb4\x60\x99\x93\x92\x8c\xb8\x19\x48\x9b\x12\xaa\x5e\xe1\x3e\x31\x30\x87\x92\x99\xa7\x3d\xeb\x1f\x6b\x9d\xc1\x3c\x86\xc1\xf4\x3b\xcc\xe0\xab\x08\x4f\x90\xc5\xca\xb3\xd3\xeb\xd1\x96\x80\x05\xdf\x06\xe1\x64\x63\xd4\x03\xa5\x82\x7d\x3d\x70\xc1\x46\xb0\x6b\x57\xa2\x3a\x93\x83\x32\x41\xc4\xf9\x9b\x1b\x92\xe2\xc5\xd8\xc8\xc1\xc2\x30\xac\x11\xc7\x6d\xf5\x15\xdf\x95\x8d\xc1\xbf\x5d"..., 3585, 0) = 0 [ 73.014568][ T1090] Quota error (device loop0): do_check_range: Getting dqdh_entries 15 out of range 0-14 [ 73.023986][ T5071] ext4 filesystem being mounted at /root/file1 supports timestamps until 2038-01-19 (0x7fffffff) [pid 5071] lsetxattr("./file0", "trusted.overlay.upper", NULL, 0, XATTR_REPLACE [pid 5070] kill(-5071, SIGKILL) = 0 [pid 5070] kill(5071, SIGKILL) = 0 [pid 5070] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(3, 0x5555686e96f0 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(3, 0x5555686e96f0 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [ 86.315627][ T7] cfg80211: failed to load regulatory.db [ 285.993628][ T29] INFO: task syz-executor274:5071 blocked for more than 143 seconds. [ 286.001824][ T29] Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 286.009091][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.017934][ T29] task:syz-executor274 state:D stack:19472 pid:5071 tgid:5071 ppid:5070 flags:0x00004006 [ 286.028222][ T29] Call Trace: [ 286.031522][ T29] [ 286.034515][ T29] __schedule+0x17d3/0x4a20 [ 286.039093][ T29] ? srso_return_thunk+0x5/0x5f [ 286.044013][ T29] ? __pfx___schedule+0x10/0x10 [ 286.048892][ T29] ? __pfx_lock_release+0x10/0x10 [ 286.053978][ T29] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 286.059929][ T29] ? srso_return_thunk+0x5/0x5f [ 286.064845][ T29] ? srso_return_thunk+0x5/0x5f [ 286.069728][ T29] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 286.075754][ T29] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 286.082131][ T29] ? schedule+0x90/0x320 [ 286.086501][ T29] schedule+0x14b/0x320 [ 286.090685][ T29] io_schedule+0x8d/0x110 [ 286.095170][ T29] bit_wait_io+0x12/0xd0 [ 286.099617][ T29] __wait_on_bit_lock+0xd7/0x530 [ 286.104876][ T29] ? __pfx_bit_wait_io+0x10/0x10 [ 286.109842][ T29] out_of_line_wait_on_bit_lock+0x1d5/0x260 [ 286.115800][ T29] ? __pfx_bit_wait_io+0x10/0x10 [ 286.120762][ T29] ? __pfx_out_of_line_wait_on_bit_lock+0x10/0x10 [ 286.127262][ T29] ? __ext4_journal_get_write_access+0x29b/0x6a0 [ 286.133658][ T29] ? __pfx_wake_bit_function+0x10/0x10 [ 286.139169][ T29] ext4_quota_write+0x381/0x580 [ 286.144119][ T29] ? __pfx_ext4_quota_write+0x10/0x10 [ 286.149537][ T29] ? do_raw_spin_unlock+0x13c/0x8b0 [ 286.154852][ T29] ? v2r1_mem2diskdqb+0x35e/0x3e0 [ 286.159908][ T29] ? __pfx_ext4_quota_write+0x10/0x10 [ 286.165335][ T29] qtree_write_dquot+0x26b/0x5b0 [ 286.170328][ T29] ? __pfx_qtree_write_dquot+0x10/0x10 [ 286.175855][ T29] ? dquot_commit+0x5b/0x520 [ 286.180465][ T29] ? __pfx___might_resched+0x10/0x10 [ 286.185808][ T29] ? __pfx___mutex_lock+0x10/0x10 [ 286.190869][ T29] v2_write_dquot+0x189/0x2a0 [ 286.195625][ T29] dquot_commit+0x3cb/0x520 [ 286.200155][ T29] ext4_write_dquot+0x1f2/0x2c0 [ 286.205077][ T29] mark_all_dquot_dirty+0xfd/0x410 [ 286.210215][ T29] __dquot_free_space+0x974/0xeb0 [ 286.215313][ T29] ? __dquot_free_space+0x1f3/0xeb0 [ 286.220559][ T29] ? __pfx___dquot_free_space+0x10/0x10 [ 286.226173][ T29] ? __pfx_ext4_xattr_inode_update_ref+0x10/0x10 [ 286.232572][ T29] ? srso_return_thunk+0x5/0x5f [ 286.237496][ T29] ? ext4_xattr_inode_iget+0x436/0x5d0 [ 286.243012][ T29] ext4_xattr_inode_free_quota+0x125/0x1a0 [ 286.248905][ T29] ext4_xattr_set_entry+0xfce/0x3fd0 [ 286.254277][ T29] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.260390][ T29] ? srso_return_thunk+0x5/0x5f [ 286.265315][ T29] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.271325][ T29] ? __pfx_ext4_xattr_set_entry+0x10/0x10 [ 286.277127][ T29] ? kasan_quarantine_put+0xdc/0x230 [ 286.282453][ T29] ? srso_return_thunk+0x5/0x5f [ 286.287439][ T29] ? lockdep_hardirqs_on+0x99/0x150 [ 286.292794][ T29] ? srso_return_thunk+0x5/0x5f [ 286.297758][ T29] ? srso_return_thunk+0x5/0x5f [ 286.302639][ T29] ? kmem_cache_free+0x102/0x2b0 [ 286.307657][ T29] ? srso_return_thunk+0x5/0x5f [ 286.312555][ T29] ? mb_cache_entry_delete_or_get+0x1d4/0x1f0 [ 286.318803][ T29] ext4_xattr_block_set+0x6a2/0x35e0 [ 286.324201][ T29] ? srso_return_thunk+0x5/0x5f [ 286.329062][ T29] ? fs_reclaim_acquire+0x93/0x130 [ 286.334227][ T29] ? srso_return_thunk+0x5/0x5f [ 286.339105][ T29] ? bdev_getblk+0x73/0x610 [ 286.343669][ T29] ? __pfx_ext4_xattr_block_set+0x10/0x10 [ 286.349435][ T29] ? ext4_xattr_block_find+0x353/0x520 [ 286.354963][ T29] ? srso_return_thunk+0x5/0x5f [ 286.359839][ T29] ? ext4_xattr_block_find+0x468/0x520 [ 286.365384][ T29] ? srso_return_thunk+0x5/0x5f [ 286.370280][ T29] ? ext4_xattr_ibody_set+0xfd/0x340 [ 286.375631][ T29] ? srso_return_thunk+0x5/0x5f [ 286.380534][ T29] ? ext4_xattr_value_same+0x6f/0x1d0 [ 286.386003][ T29] ext4_xattr_set_handle+0xe54/0x1780 [ 286.391450][ T29] ? __pfx_ext4_xattr_set_handle+0x10/0x10 [ 286.397457][ T29] ? __pfx___dquot_initialize+0x10/0x10 [ 286.403038][ T29] ? srso_return_thunk+0x5/0x5f [ 286.407979][ T29] ? ext4_journal_check_start+0x175/0x250 [ 286.413774][ T29] ? __ext4_journal_start_sb+0x26c/0x5b0 [ 286.419450][ T29] ext4_xattr_set+0x241/0x3d0 [ 286.424241][ T29] ? __pfx_ext4_xattr_set+0x10/0x10 [ 286.429493][ T29] ? evm_protect_xattr+0x4be/0xb30 [ 286.434705][ T29] ? srso_return_thunk+0x5/0x5f [ 286.439586][ T29] ? __pfx_ext4_xattr_trusted_set+0x10/0x10 [ 286.445555][ T29] __vfs_setxattr+0x46a/0x4a0 [ 286.450283][ T29] __vfs_setxattr_noperm+0x12e/0x5e0 [ 286.455648][ T29] vfs_setxattr+0x221/0x430 [ 286.460190][ T29] ? __pfx_vfs_setxattr+0x10/0x10 [ 286.465286][ T29] ? __check_object_size+0x8e/0xa00 [ 286.470507][ T29] ? srso_return_thunk+0x5/0x5f [ 286.475424][ T29] ? __might_fault+0xc6/0x120 [ 286.480136][ T29] ? strncpy_from_user+0x1a4/0x2f0 [ 286.485366][ T29] setxattr+0x25d/0x2f0 [ 286.489561][ T29] ? __pfx_setxattr+0x10/0x10 [ 286.494353][ T29] ? srso_return_thunk+0x5/0x5f [ 286.499237][ T29] ? mnt_get_write_access+0x226/0x2b0 [ 286.504690][ T29] path_setxattr+0x1c0/0x2a0 [ 286.509325][ T29] ? __pfx_path_setxattr+0x10/0x10 [ 286.514508][ T29] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 286.520861][ T29] ? do_syscall_64+0x10a/0x240 [ 286.525684][ T29] __x64_sys_lsetxattr+0xb8/0xd0 [ 286.530655][ T29] do_syscall_64+0xfd/0x240 [ 286.535220][ T29] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.541145][ T29] RIP: 0033:0x7fc95339ce19 [ 286.545634][ T29] RSP: 002b:00007ffe8bd11218 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd [ 286.554121][ T29] RAX: ffffffffffffffda RBX: 0072657070752e79 RCX: 00007fc95339ce19 [ 286.562126][ T29] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000020000000 [ 286.570188][ T29] RBP: 0030656c69662f2e R08: 0000000000000002 R09: 00005555686e94c0 [ 286.578234][ T29] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe8bd11240 [ 286.586268][ T29] R13: 00007ffe8bd11468 R14: 431bde82d7b634db R15: 00007fc9533e603b [ 286.594330][ T29] [ 286.597379][ T29] [ 286.597379][ T29] Showing all locks held in the system: [ 286.605134][ T29] 1 lock held by khungtaskd/29: [ 286.610013][ T29] #0: ffffffff8e132020 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 286.619971][ T29] 2 locks held by getty/4825: [ 286.624715][ T29] #0: ffff88802d0f80a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 286.634673][ T29] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 286.644869][ T29] 6 locks held by syz-executor274/5071: [ 286.650408][ T29] #0: ffff88807f7b2420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 [ 286.659666][ T29] #1: ffff888059f15e00 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: vfs_setxattr+0x1e1/0x430 [ 286.670223][ T29] #2: ffff888059f15ac8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x26b/0x1780 [ 286.680535][ T29] #3: ffffffff8e291830 (dquot_srcu){.+.+}-{0:0}, at: __dquot_free_space+0x1f3/0xeb0 [ 286.690154][ T29] #4: ffff88807ad980a8 (&dquot->dq_lock){+.+.}-{3:3}, at: dquot_commit+0x5b/0x520 [ 286.699561][ T29] #5: ffff88807f7b2210 (&s->s_dquot.dqio_sem){++++}-{3:3}, at: v2_write_dquot+0x9c/0x2a0 [ 286.709611][ T29] [ 286.711959][ T29] ============================================= [ 286.711959][ T29] [ 286.720506][ T29] NMI backtrace for cpu 1 [ 286.724852][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 286.734341][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 286.744401][ T29] Call Trace: [ 286.747686][ T29] [ 286.750623][ T29] dump_stack_lvl+0x241/0x360 [ 286.755328][ T29] ? __pfx_dump_stack_lvl+0x10/0x10 [ 286.760546][ T29] ? __pfx__printk+0x10/0x10 [ 286.765159][ T29] ? vprintk_emit+0x631/0x770 [ 286.769857][ T29] ? __pfx_vprintk_emit+0x10/0x10 [ 286.774909][ T29] nmi_cpu_backtrace+0x49c/0x4d0 [ 286.779864][ T29] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 286.785331][ T29] ? _printk+0xd5/0x120 [ 286.789503][ T29] ? __pfx__printk+0x10/0x10 [ 286.794113][ T29] ? __wake_up_klogd+0xcc/0x110 [ 286.798982][ T29] ? __pfx__printk+0x10/0x10 [ 286.803594][ T29] ? srso_return_thunk+0x5/0x5f [ 286.808461][ T29] ? __rcu_read_unlock+0xa1/0x110 [ 286.813518][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 286.819528][ T29] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 286.825532][ T29] watchdog+0xfb0/0xff0 [ 286.829719][ T29] ? watchdog+0x1ea/0xff0 [ 286.834074][ T29] ? __pfx_watchdog+0x10/0x10 [ 286.838771][ T29] kthread+0x2f2/0x390 [ 286.842894][ T29] ? __pfx_watchdog+0x10/0x10 [ 286.847597][ T29] ? __pfx_kthread+0x10/0x10 [ 286.852222][ T29] ret_from_fork+0x4d/0x80 [ 286.856659][ T29] ? __pfx_kthread+0x10/0x10 [ 286.861264][ T29] ret_from_fork_asm+0x1a/0x30 [ 286.866062][ T29] [ 286.869175][ T29] Sending NMI from CPU 1 to CPUs 0: [ 286.874446][ C0] NMI backtrace for cpu 0 [ 286.874458][ C0] CPU: 0 PID: 4511 Comm: klogd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 286.874480][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 286.874493][ C0] RIP: 0010:match_held_lock+0x76/0xb0 [ 286.874529][ C0] Code: 48 c7 c2 00 b4 9c 92 48 29 d0 48 c1 f8 03 48 ba 29 5c 8f c2 f5 28 5c 8f 48 0f af d0 bd 01 00 00 00 48 39 ca 74 02 31 ed 89 e8 <5b> 5d e9 23 02 0b 00 90 e8 cd e3 2d f9 85 c0 74 22 83 3d 52 23 13 [ 286.874547][ C0] RSP: 0018:ffffc9000316f920 EFLAGS: 00000046 [ 286.874566][ C0] RAX: 0000000000000001 RBX: ffff88807e390ad8 RCX: 0000000080000000 [ 286.874582][ C0] RDX: ffff88807e390000 RSI: ffffffff8e132020 RDI: ffff88807e390ad8 [ 286.874598][ C0] RBP: 0000000000000001 R08: ffffffff8952cce3 R09: 1ffffffff259caa0 [ 286.874612][ C0] R10: dffffc0000000000 R11: fffffbfff259caa1 R12: 0000000000000246 [ 286.874628][ C0] R13: ffff88807e390000 R14: 00000000ffffffff R15: ffffffff8e132020 [ 286.874647][ C0] FS: 00007f7e466bb380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 286.874667][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 286.874682][ C0] CR2: 0000564970671600 CR3: 000000002ada8000 CR4: 0000000000350ef0 [ 286.874699][ C0] Call Trace: [ 286.874707][ C0] [ 286.874715][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 286.874742][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 286.874767][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 286.874805][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 286.874834][ C0] ? nmi_handle+0x151/0x580 [ 286.874857][ C0] ? nmi_handle+0x2a/0x580 [ 286.874881][ C0] ? match_held_lock+0x76/0xb0 [ 286.874912][ C0] ? default_do_nmi+0x63/0x160 [ 286.874939][ C0] ? exc_nmi+0x123/0x1f0 [ 286.874964][ C0] ? end_repeat_nmi+0xf/0x53 [ 286.874996][ C0] ? sk_filter_trim_cap+0x283/0xa70 [ 286.875029][ C0] ? match_held_lock+0x76/0xb0 [ 286.875062][ C0] ? match_held_lock+0x76/0xb0 [ 286.875104][ C0] ? match_held_lock+0x76/0xb0 [ 286.875137][ C0] [ 286.875144][ C0] [ 286.875152][ C0] lock_is_held_type+0xa9/0x190 [ 286.875186][ C0] ? sk_filter_trim_cap+0x1b3/0xa70 [ 286.875216][ C0] sk_filter_trim_cap+0x28c/0xa70 [ 286.875246][ C0] ? srso_return_thunk+0x5/0x5f [ 286.875271][ C0] ? __virt_addr_valid+0x44e/0x520 [ 286.875306][ C0] ? __phys_addr_symbol+0x2f/0x70 [ 286.875339][ C0] ? srso_return_thunk+0x5/0x5f [ 286.875363][ C0] ? __check_object_size+0x4bc/0xa00 [ 286.875388][ C0] ? __pfx_sk_filter_trim_cap+0x10/0x10 [ 286.875418][ C0] ? srso_return_thunk+0x5/0x5f [ 286.875443][ C0] ? skb_copy_datagram_from_iter+0x5ce/0x6c0 [ 286.875469][ C0] ? srso_return_thunk+0x5/0x5f [ 286.875493][ C0] ? do_raw_spin_unlock+0x13c/0x8b0 [ 286.875526][ C0] ? skb_put+0x114/0x1f0 [ 286.875561][ C0] unix_dgram_sendmsg+0xb10/0x1f80 [ 286.875602][ C0] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 286.875628][ C0] ? srso_return_thunk+0x5/0x5f [ 286.875654][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 286.875689][ C0] ? srso_return_thunk+0x5/0x5f [ 286.875714][ C0] ? srso_return_thunk+0x5/0x5f [ 286.875738][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 286.875767][ C0] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 286.875790][ C0] __sock_sendmsg+0x223/0x270 [ 286.875820][ C0] __sys_sendto+0x3a4/0x4f0 [ 286.875856][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 286.875903][ C0] ? srso_return_thunk+0x5/0x5f [ 286.875928][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.875953][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 286.875980][ C0] __x64_sys_sendto+0xde/0x100 [ 286.876015][ C0] do_syscall_64+0xfd/0x240 [ 286.876036][ C0] ? srso_return_thunk+0x5/0x5f [ 286.876063][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.876095][ C0] RIP: 0033:0x7f7e4681d9b5 [ 286.876112][ 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 [ 286.876129][ C0] RSP: 002b:00007ffd87db3618 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 286.876150][ C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7e4681d9b5 [ 286.876166][ C0] RDX: 000000000000004d RSI: 0000563e36e8cc70 RDI: 0000000000000003 [ 286.876180][ C0] RBP: 0000563e36e88910 R08: 0000000000000000 R09: 0000000000000000 [ 286.876193][ C0] R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013 [ 286.876207][ C0] R13: 00007f7e469ab212 R14: 00007ffd87db3718 R15: 0000000000000000 [ 286.876232][ C0] [ 286.876241][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.795 msecs [ 286.876443][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 287.327408][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 287.336859][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 287.346905][ T29] Call Trace: [ 287.350204][ T29] [ 287.353133][ T29] dump_stack_lvl+0x241/0x360 [ 287.357830][ T29] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.363037][ T29] ? __pfx__printk+0x10/0x10 [ 287.367638][ T29] ? srso_return_thunk+0x5/0x5f [ 287.372503][ T29] ? vscnprintf+0x5d/0x90 [ 287.376834][ T29] panic+0x349/0x860 [ 287.380777][ T29] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.386932][ T29] ? __pfx_panic+0x10/0x10 [ 287.391349][ T29] ? tick_nohz_tick_stopped+0x82/0xb0 [ 287.396725][ T29] ? srso_return_thunk+0x5/0x5f [ 287.401573][ T29] ? __irq_work_queue_local+0x137/0x3e0 [ 287.407126][ T29] ? srso_return_thunk+0x5/0x5f [ 287.411971][ T29] ? irq_work_queue+0xca/0x150 [ 287.416734][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.422716][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.428694][ T29] ? srso_return_thunk+0x5/0x5f [ 287.433544][ T29] ? nmi_trigger_cpumask_backtrace+0x251/0x320 [ 287.439701][ T29] watchdog+0xfef/0xff0 [ 287.443895][ T29] ? watchdog+0x1ea/0xff0 [ 287.448234][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.452918][ T29] kthread+0x2f2/0x390 [ 287.457001][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.461681][ T29] ? __pfx_kthread+0x10/0x10 [ 287.466289][ T29] ret_from_fork+0x4d/0x80 [ 287.470708][ T29] ? __pfx_kthread+0x10/0x10 [ 287.475296][ T29] ret_from_fork_asm+0x1a/0x30 [ 287.480077][ T29] [ 287.483479][ T29] Kernel Offset: disabled [ 287.487811][ T29] Rebooting in 86400 seconds..