./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2405244931 <...> Warning: Permanently added '10.128.1.15' (ED25519) to the list of known hosts. execve("./syz-executor2405244931", ["./syz-executor2405244931"], 0x7ffe15c57b10 /* 10 vars */) = 0 brk(NULL) = 0x555559e0c000 brk(0x555559e0cd40) = 0x555559e0cd40 arch_prctl(ARCH_SET_FS, 0x555559e0c3c0) = 0 set_tid_address(0x555559e0c690) = 5819 set_robust_list(0x555559e0c6a0, 24) = 0 rseq(0x555559e0cce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2405244931", 4096) = 28 getrandom("\x03\x53\x29\x21\x68\x9a\x13\x4d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555559e0cd40 brk(0x555559e2dd40) = 0x555559e2dd40 brk(0x555559e2e000) = 0x555559e2e000 mprotect(0x7f7788d25000, 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 5820 attached [pid 5820] set_robust_list(0x555559e0c6a0, 24 [pid 5819] <... clone resumed>, child_tidptr=0x555559e0c690) = 5820 [pid 5820] <... set_robust_list resumed>) = 0 [pid 5820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5820] setpgid(0, 0) = 0 [pid 5820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "1000", 4) = 4 [pid 5820] close(3) = 0 executing program [pid 5820] write(1, "executing program\n", 18) = 18 [pid 5820] futex(0x7f7788d2b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5820] rt_sigaction(SIGRT_1, {sa_handler=0x7f7788cc92f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7788cba9a0}, NULL, 8) = 0 [pid 5820] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7788c3a000 [pid 5820] mprotect(0x7f7788c3b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5820] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5820] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7788c5a990, parent_tid=0x7f7788c5a990, exit_signal=0, stack=0x7f7788c3a000, stack_size=0x20300, tls=0x7f7788c5a6c0}./strace-static-x86_64: Process 5822 attached => {parent_tid=[5822]}, 88) = 5822 [pid 5822] rseq(0x7f7788c5afe0, 0x20, 0, 0x53053053 [pid 5820] rt_sigprocmask(SIG_SETMASK, [], [pid 5822] <... rseq resumed>) = 0 [pid 5820] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5822] set_robust_list(0x7f7788c5a9a0, 24 [pid 5820] futex(0x7f7788d2b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] <... set_robust_list resumed>) = 0 [pid 5822] rt_sigprocmask(SIG_SETMASK, [], [pid 5820] <... futex resumed>) = 0 [pid 5822] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5820] futex(0x7f7788d2b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5822] memfd_create("syzkaller", 0) = 3 [pid 5822] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7780800000 [pid 5822] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 5822] munmap(0x7f7780800000, 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("./file2", 0777) = 0 [pid 5822] mount("/dev/loop0", "./file2", "exfat", MS_SYNCHRONOUS|MS_NODIRATIME, "") = 0 [pid 5822] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY) = 3 [ 62.650482][ T5822] loop0: detected capacity change from 0 to 256 [ 62.688689][ T5822] exFAT-fs (loop0): failed to load upcase table (idx : 0x0000fd4f, chksum : 0x3963664b, utbl_chksum : 0xe619d30d) [pid 5822] chdir("./file2") = 0 [pid 5822] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5822] futex(0x7f7788d2b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5820] <... futex resumed>) = 0 [pid 5822] truncate("./file2", 25600 [pid 5820] futex(0x7f7788d2b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5820] futex(0x7f7788d2b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5822] <... truncate resumed>) = 0 [pid 5822] futex(0x7f7788d2b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5820] <... futex resumed>) = 0 [pid 5822] futex(0x7f7788d2b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5820] futex(0x7f7788d2b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] <... futex resumed>) = 0 [pid 5820] <... futex resumed>) = 1 [pid 5820] futex(0x7f7788d2b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5822] creat("./file2", 0400 [pid 5820] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5820] futex(0x7f7788d2b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7788c19000 [pid 5820] mprotect(0x7f7788c1a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5820] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5820] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7788c39990, parent_tid=0x7f7788c39990, exit_signal=0, stack=0x7f7788c19000, stack_size=0x20300, tls=0x7f7788c396c0}./strace-static-x86_64: Process 5823 attached [pid 5823] rseq(0x7f7788c39fe0, 0x20, 0, 0x53053053) = 0 [pid 5820] <... clone3 resumed> => {parent_tid=[5823]}, 88) = 5823 [pid 5823] set_robust_list(0x7f7788c399a0, 24) = 0 [pid 5820] rt_sigprocmask(SIG_SETMASK, [], [pid 5823] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5820] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5823] open("./file2", O_RDONLY|FASYNC [pid 5820] futex(0x7f7788d2b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5820] futex(0x7f7788d2b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5820] exit_group(0) = ? [pid 5819] kill(-5820, SIGKILL) = 0 [pid 5819] kill(5820, SIGKILL) = 0 [pid 5819] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5819] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5819] getdents64(3, 0x555559e0d730 /* 2 entries */, 32768) = 48 [pid 5819] getdents64(3, 0x555559e0d730 /* 0 entries */, 32768) = 0 [pid 5819] close(3) = 0 [ 81.936470][ T58] cfg80211: failed to load regulatory.db [ 286.737132][ T30] INFO: task syz-executor240:5823 blocked for more than 143 seconds. [ 286.746344][ T30] Not tainted 6.13.0-rc1-syzkaller-00316-gb5f217084ab3 #0 [ 286.754007][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.764504][ T30] task:syz-executor240 state:D stack:25592 pid:5823 tgid:5820 ppid:5819 flags:0x00004006 [ 286.775063][ T30] Call Trace: [ 286.778364][ T30] [ 286.781311][ T30] __schedule+0x17fb/0x4be0 [ 286.786407][ T30] ? __pfx___schedule+0x10/0x10 [ 286.791289][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.796723][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.802748][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 286.809855][ T30] ? _raw_spin_lock_irq+0xdf/0x120 [ 286.815550][ T30] ? schedule+0x90/0x320 [ 286.819831][ T30] schedule+0x14b/0x320 [ 286.824006][ T30] schedule_preempt_disabled+0x13/0x30 [ 286.830091][ T30] rwsem_down_write_slowpath+0xeee/0x13b0 [ 286.836092][ T30] ? rwsem_down_write_slowpath+0xa09/0x13b0 [ 286.842028][ T30] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 286.848710][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 286.853768][ T30] ? ima_match_policy+0x111/0x2230 [ 286.859314][ T30] ? __pfx_ima_match_policy+0x10/0x10 [ 286.865052][ T30] ? mark_lock+0x9a/0x360 [ 286.869410][ T30] down_write+0x1d7/0x220 [ 286.873749][ T30] ? __pfx_down_write+0x10/0x10 [ 286.879675][ T30] ? ima_get_action+0x75/0xb0 [ 286.884733][ T30] process_measurement+0x439/0x1fb0 [ 286.890059][ T30] ? smack_log+0x123/0x540 [ 286.895031][ T30] ? __pfx_process_measurement+0x10/0x10 [ 286.900692][ T30] ? __pfx_smack_log+0x10/0x10 [ 286.905981][ T30] ? __pfx_tomoyo_check_open_permission+0x10/0x10 [ 286.912417][ T30] ? smk_access+0x4ab/0x4e0 [ 286.917767][ T30] ? do_raw_spin_unlock+0x13c/0x8b0 [ 286.922997][ T30] ? inode_to_bdi+0x69/0xf0 [ 286.928097][ T30] ima_file_check+0xd9/0x120 [ 286.932726][ T30] ? __pfx_ima_file_check+0x10/0x10 [ 286.938362][ T30] security_file_post_open+0xb9/0x280 [ 286.943774][ T30] path_openat+0x2ccd/0x3590 [ 286.948925][ T30] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 286.955604][ T30] ? __pfx_path_openat+0x10/0x10 [ 286.960591][ T30] do_filp_open+0x27f/0x4e0 [ 286.965644][ T30] ? __pfx_do_filp_open+0x10/0x10 [ 286.970695][ T30] ? do_raw_spin_lock+0x14f/0x370 [ 286.976787][ T30] do_sys_openat2+0x13e/0x1d0 [ 286.981505][ T30] ? __pfx_do_sys_openat2+0x10/0x10 [ 286.987786][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 286.993236][ T30] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.998916][ T30] ? ptrace_notify+0x279/0x380 [ 287.003720][ T30] __x64_sys_open+0x225/0x270 [ 287.008858][ T30] ? __pfx___x64_sys_open+0x10/0x10 [ 287.014089][ T30] ? do_syscall_64+0x100/0x230 [ 287.019371][ T30] do_syscall_64+0xf3/0x230 [ 287.023910][ T30] ? clear_bhb_loop+0x35/0x90 [ 287.029075][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.035709][ T30] RIP: 0033:0x7f7788ca3409 [ 287.040149][ T30] RSP: 002b:00007f7788c39218 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 287.049100][ T30] RAX: ffffffffffffffda RBX: 00007f7788d2b5f8 RCX: 00007f7788ca3409 [ 287.057328][ T30] RDX: 0000000000000008 RSI: 0000000000002000 RDI: 0000000020001b80 [ 287.065664][ T30] RBP: 00007f7788d2b5f0 R08: 00007ffddcf3bf57 R09: 0000000000000000 [ 287.073669][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7788d2b5fc [ 287.082188][ T30] R13: 0032656c69662f2e R14: 00007f7788cf70c0 R15: 00000000200002c0 [ 287.092132][ T30] [ 287.096054][ T30] [ 287.096054][ T30] Showing all locks held in the system: [ 287.103789][ T30] 1 lock held by khungtaskd/30: [ 287.109276][ T30] #0: ffffffff8e937aa0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 [ 287.119583][ T30] 2 locks held by getty/5579: [ 287.124279][ T30] #0: ffff888035afa0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 287.134430][ T30] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 [ 287.144653][ T30] 5 locks held by syz-executor240/5822: [ 287.150454][ T30] 1 lock held by syz-executor240/5823: [ 287.155997][ T30] #0: ffff8880744782a0 (&sb->s_type->i_mutex_key#14){++++}-{4:4}, at: process_measurement+0x439/0x1fb0 [ 287.167430][ T30] [ 287.169779][ T30] ============================================= [ 287.169779][ T30] [ 287.178281][ T30] NMI backtrace for cpu 0 [ 287.182637][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc1-syzkaller-00316-gb5f217084ab3 #0 [ 287.193150][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.203220][ T30] Call Trace: [ 287.206526][ T30] [ 287.209464][ T30] dump_stack_lvl+0x241/0x360 [ 287.214161][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.219386][ T30] ? __pfx__printk+0x10/0x10 [ 287.224001][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 287.228958][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.234426][ T30] ? _printk+0xd5/0x120 [ 287.238591][ T30] ? __pfx__printk+0x10/0x10 [ 287.243195][ T30] ? __wake_up_klogd+0xcc/0x110 [ 287.248060][ T30] ? __pfx__printk+0x10/0x10 [ 287.252668][ T30] ? __rcu_read_unlock+0xa1/0x110 [ 287.257705][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.263698][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 287.269695][ T30] watchdog+0xff6/0x1040 [ 287.273965][ T30] ? watchdog+0x1ea/0x1040 [ 287.278393][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.283080][ T30] kthread+0x2f0/0x390 [ 287.287161][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.291853][ T30] ? __pfx_kthread+0x10/0x10 [ 287.296454][ T30] ret_from_fork+0x4b/0x80 [ 287.300879][ T30] ? __pfx_kthread+0x10/0x10 [ 287.305478][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.310267][ T30] [ 287.313496][ T30] Sending NMI from CPU 0 to CPUs 1: [ 287.318767][ C1] NMI backtrace for cpu 1 [ 287.318780][ C1] CPU: 1 UID: 0 PID: 5822 Comm: syz-executor240 Not tainted 6.13.0-rc1-syzkaller-00316-gb5f217084ab3 #0 [ 287.318800][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.318810][ C1] RIP: 0010:exfat_ent_get+0x3d/0x400 [ 287.318838][ C1] Code: 89 d7 41 89 f5 49 89 fe 49 bc 00 00 00 00 00 fc ff df e8 46 a5 20 ff 49 8d 9e 38 06 00 00 48 89 d8 48 c1 e8 03 42 80 3c 20 00 <74> 08 48 89 df e8 69 66 88 ff 48 8b 1b bf 01 00 00 00 44 89 ee e8 [ 287.318851][ C1] RSP: 0018:ffffc90003ad7348 EFLAGS: 00000246 [ 287.318867][ C1] RAX: 1ffff11006b350c7 RBX: ffff8880359a8638 RCX: ffff8880343c1e00 [ 287.318880][ C1] RDX: 0000000000000000 RSI: 0000000000000010 RDI: ffff8880359a8000 [ 287.318891][ C1] RBP: ffffc90003ad74b8 R08: ffffffff827ed915 R09: 1ffff1100eef7874 [ 287.318904][ C1] R10: dffffc0000000000 R11: ffffed100eef7875 R12: dffffc0000000000 [ 287.318916][ C1] R13: 0000000000000010 R14: ffff8880359a8000 R15: ffffc90003ad7440 [ 287.318933][ C1] FS: 00007f7788c5a6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 287.318948][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.318960][ C1] CR2: 000055c822941600 CR3: 00000000783fc000 CR4: 00000000003526f0 [ 287.318974][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.318984][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.318994][ C1] Call Trace: [ 287.319000][ C1] [ 287.319007][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 287.319027][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 287.319046][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.319064][ C1] ? nmi_handle+0x2a/0x5a0 [ 287.319088][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.319111][ C1] ? nmi_handle+0x14f/0x5a0 [ 287.319128][ C1] ? nmi_handle+0x2a/0x5a0 [ 287.319146][ C1] ? exfat_ent_get+0x3d/0x400 [ 287.319166][ C1] ? default_do_nmi+0x63/0x160 [ 287.319183][ C1] ? exc_nmi+0x123/0x1f0 [ 287.319199][ C1] ? end_repeat_nmi+0xf/0x53 [ 287.319216][ C1] ? __exfat_free_cluster+0x6f5/0x990 [ 287.319239][ C1] ? exfat_ent_get+0x3d/0x400 [ 287.319259][ C1] ? exfat_ent_get+0x3d/0x400 [ 287.319279][ C1] ? exfat_ent_get+0x3d/0x400 [ 287.319299][ C1] [ 287.319305][ C1] [ 287.319313][ C1] __exfat_free_cluster+0x56f/0x990 [ 287.319340][ C1] ? __pfx___exfat_free_cluster+0x10/0x10 [ 287.319363][ C1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 287.319387][ C1] exfat_free_cluster+0x77/0xd0 [ 287.319409][ C1] __exfat_truncate+0x745/0xa60 [ 287.319435][ C1] ? __pfx___exfat_truncate+0x10/0x10 [ 287.319459][ C1] ? truncate_setsize+0xcf/0xf0 [ 287.319479][ C1] exfat_setattr+0x10fa/0x1a90 [ 287.319504][ C1] ? __pfx_smack_inode_setattr+0x10/0x10 [ 287.319532][ C1] ? __pfx_exfat_setattr+0x10/0x10 [ 287.319553][ C1] ? evm_inode_setattr+0x1b2/0x7d0 [ 287.319574][ C1] ? security_inode_setattr+0xdb/0x350 [ 287.319589][ C1] ? __pfx_exfat_setattr+0x10/0x10 [ 287.319612][ C1] notify_change+0xbca/0xe90 [ 287.319633][ C1] do_truncate+0x220/0x310 [ 287.319656][ C1] ? __pfx_do_truncate+0x10/0x10 [ 287.319686][ C1] path_openat+0x2e1e/0x3590 [ 287.319710][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 287.319741][ C1] ? __pfx_path_openat+0x10/0x10 [ 287.319771][ C1] do_filp_open+0x27f/0x4e0 [ 287.319794][ C1] ? __pfx_do_filp_open+0x10/0x10 [ 287.319814][ C1] ? do_raw_spin_lock+0x14f/0x370 [ 287.319852][ C1] do_sys_openat2+0x13e/0x1d0 [ 287.319872][ C1] ? __pfx_do_sys_openat2+0x10/0x10 [ 287.319891][ C1] ? _raw_spin_unlock_irq+0x2e/0x50 [ 287.319910][ C1] ? ptrace_notify+0x279/0x380 [ 287.319938][ C1] __x64_sys_creat+0x123/0x170 [ 287.319958][ C1] ? __pfx___x64_sys_creat+0x10/0x10 [ 287.319978][ C1] ? do_syscall_64+0x100/0x230 [ 287.320004][ C1] do_syscall_64+0xf3/0x230 [ 287.320026][ C1] ? clear_bhb_loop+0x35/0x90 [ 287.320041][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.320065][ C1] RIP: 0033:0x7f7788ca3409 [ 287.320079][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 287.320091][ C1] RSP: 002b:00007f7788c5a218 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 287.320107][ C1] RAX: ffffffffffffffda RBX: 00007f7788d2b5e8 RCX: 00007f7788ca3409 [ 287.320119][ C1] RDX: 00007f7788ca3409 RSI: 0000000000000100 RDI: 0000000020000000 [ 287.320130][ C1] RBP: 00007f7788d2b5e0 R08: 0000000000000000 R09: 0000000000000000 [ 287.320141][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7788d2b5ec [ 287.320151][ C1] R13: 0032656c69662f2e R14: 00007f7788cf70c0 R15: 00000000200002c0 [ 287.320169][ C1] [ 287.320177][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.409 msecs [ 287.321152][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 287.793330][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc1-syzkaller-00316-gb5f217084ab3 #0 [ 287.803847][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.813905][ T30] Call Trace: [ 287.817465][ T30] [ 287.820400][ T30] dump_stack_lvl+0x241/0x360 [ 287.825181][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.830390][ T30] ? __pfx__printk+0x10/0x10 [ 287.834979][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.840986][ T30] ? vscnprintf+0x5d/0x90 [ 287.845341][ T30] panic+0x349/0x880 [ 287.849251][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.855416][ T30] ? __pfx_panic+0x10/0x10 [ 287.859847][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 287.865214][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.871359][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 287.877518][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 287.883667][ T30] watchdog+0x1035/0x1040 [ 287.888021][ T30] ? watchdog+0x1ea/0x1040 [ 287.892454][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.897136][ T30] kthread+0x2f0/0x390 [ 287.901209][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.905884][ T30] ? __pfx_kthread+0x10/0x10 [ 287.910472][ T30] ret_from_fork+0x4b/0x80 [ 287.914879][ T30] ? __pfx_kthread+0x10/0x10 [ 287.919463][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.924234][ T30] [ 287.927539][ T30] Kernel Offset: disabled [ 287.931863][ T30] Rebooting in 86400 seconds..