./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2359558060 <...> Warning: Permanently added '10.128.0.178' (ED25519) to the list of known hosts. execve("./syz-executor2359558060", ["./syz-executor2359558060"], 0x7ffd997099d0 /* 10 vars */) = 0 brk(NULL) = 0x555555722000 brk(0x555555722d40) = 0x555555722d40 arch_prctl(ARCH_SET_FS, 0x5555557223c0) = 0 set_tid_address(0x555555722690) = 5025 set_robust_list(0x5555557226a0, 24) = 0 rseq(0x555555722ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2359558060", 4096) = 28 getrandom("\xc0\xdb\xf1\xc3\x51\xa3\x56\x7a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555722d40 brk(0x555555743d40) = 0x555555743d40 brk(0x555555744000) = 0x555555744000 mprotect(0x7f9f1eddb000, 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, child_tidptr=0x555555722690) = 5027 ./strace-static-x86_64: Process 5027 attached [pid 5027] set_robust_list(0x5555557226a0, 24) = 0 [pid 5027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5027] setpgid(0, 0) = 0 [pid 5027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5027] write(3, "1000", 4) = 4 [pid 5027] close(3) = 0 [pid 5027] futex(0x7f9f1ede16cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5027] rt_sigaction(SIGRT_1, {sa_handler=0x7f9f1ed7f6b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f9f1ed70d60}, NULL, 8) = 0 [pid 5027] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9f1ecf6000 [pid 5027] mprotect(0x7f9f1ecf7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5027] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5027] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f9f1ed16990, parent_tid=0x7f9f1ed16990, exit_signal=0, stack=0x7f9f1ecf6000, stack_size=0x20300, tls=0x7f9f1ed166c0}./strace-static-x86_64: Process 5028 attached => {parent_tid=[5028]}, 88) = 5028 [pid 5028] rseq(0x7f9f1ed16fe0, 0x20, 0, 0x53053053 [pid 5027] rt_sigprocmask(SIG_SETMASK, [], [pid 5028] <... rseq resumed>) = 0 [pid 5028] set_robust_list(0x7f9f1ed169a0, 24) = 0 [pid 5028] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5028] futex(0x7f9f1ede16c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5027] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5027] futex(0x7f9f1ede16c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5028] <... futex resumed>) = 0 [pid 5028] openat(AT_FDCWD, "/proc/crypto", O_RDONLY [pid 5027] futex(0x7f9f1ede16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5028] <... openat resumed>) = 3 [pid 5028] futex(0x7f9f1ede16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5027] <... futex resumed>) = 0 [pid 5028] read(3, [pid 5027] futex(0x7f9f1ede16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5027] futex(0x7f9f1ede16cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5028] <... read resumed>"name : pkcs1pad(rsa,sha256)\ndriver : pkcs1pad(rsa-generic,sha256)\nmodule : kerne"..., 8241) = 3943 [pid 5028] futex(0x7f9f1ede16cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5027] <... futex resumed>) = 0 [pid 5027] futex(0x7f9f1ede16c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5027] futex(0x7f9f1ede16dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9f1ecd5000 [pid 5028] memfd_create("syzkaller", 0 [pid 5027] mprotect(0x7f9f1ecd6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5027] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5027] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f9f1ecf5990, parent_tid=0x7f9f1ecf5990, exit_signal=0, stack=0x7f9f1ecd5000, stack_size=0x20300, tls=0x7f9f1ecf56c0} => {parent_tid=[5029]}, 88) = 5029 [pid 5027] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5027] futex(0x7f9f1ede16d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5027] futex(0x7f9f1ede16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5029 attached [pid 5029] rseq(0x7f9f1ecf5fe0, 0x20, 0, 0x53053053) = 0 [pid 5029] set_robust_list(0x7f9f1ecf59a0, 24) = 0 [pid 5029] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5029] open("./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5029] futex(0x7f9f1ede16dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] <... futex resumed>) = 0 [pid 5027] futex(0x7f9f1ede16d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5027] futex(0x7f9f1ede16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5028] <... memfd_create resumed>) = 4 [pid 5028] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5029] <... futex resumed>) = 1 [pid 5028] <... mmap resumed>) = 0x7f9f168d5000 [pid 5029] sync( [pid 5028] write(4, "\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\x00\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"..., 131329) = 131329 [pid 5028] munmap(0x7f9f168d5000, 131329) = 0 [pid 5028] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 5028] ioctl(5, LOOP_SET_FD, 4) = 0 [pid 5028] close(4) = 0 [pid 5028] mkdir("./file0", 0777) = 0 [pid 5028] mount("/dev/loop0", "./file0", "exfat", MS_NODIRATIME, "dmask=00000000000000000000007,utf8,iocharset=iso8859-1,allow_utime=00000000000000000002001,fmask=000"... [pid 5027] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5027] futex(0x7f9f1ede16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5027] futex(0x7f9f1ede16dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [ 70.367163][ T5028] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5028 'syz-executor235' [ 70.393521][ T5028] loop0: detected capacity change from 0 to 256 [ 70.408498][ T5028] exfat: Deprecated parameter 'utf8' [pid 5027] exit_group(0) = ? [pid 5025] kill(-5027, SIGKILL) = 0 [pid 5025] kill(5027, SIGKILL) = 0 [pid 5025] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5025] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5025] getdents64(3, 0x555555723730 /* 2 entries */, 32768) = 48 [pid 5025] getdents64(3, 0x555555723730 /* 0 entries */, 32768) = 0 [pid 5025] close(3) = 0 [ 81.667862][ T7] cfg80211: failed to load regulatory.db [ 286.465728][ T28] INFO: task syz-executor235:5029 blocked for more than 143 seconds. [ 286.474007][ T28] Not tainted 6.5.0-rc4-syzkaller-00211-ge6fda526d9db #0 [ 286.482445][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.491448][ T28] task:syz-executor235 state:D stack:27920 pid:5029 ppid:5025 flags:0x00004006 [ 286.501016][ T28] Call Trace: [ 286.504343][ T28] [ 286.507577][ T28] __schedule+0x1873/0x48f0 [ 286.512262][ T28] ? verify_lock_unused+0x140/0x140 [ 286.517940][ T28] ? release_firmware_map_entry+0x190/0x190 [ 286.523884][ T28] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 286.530216][ T28] ? print_irqtrace_events+0x220/0x220 [ 286.535957][ T28] ? _raw_spin_lock_irq+0xdf/0x120 [ 286.541119][ T28] schedule+0xc3/0x180 [ 286.545220][ T28] schedule_preempt_disabled+0x13/0x20 [ 286.551028][ T28] rwsem_down_read_slowpath+0x5f4/0x950 [ 286.556859][ T28] ? down_write_killable_nested+0x80/0x80 [ 286.562627][ T28] ? __lock_acquire+0x7f70/0x7f70 [ 286.568052][ T28] ? do_raw_spin_lock+0x14d/0x3a0 [ 286.573141][ T28] down_read+0x9c/0x2f0 [ 286.577786][ T28] iterate_supers+0xb0/0x1e0 [ 286.582472][ T28] ? ksys_sync+0x1c0/0x1c0 [ 286.587300][ T28] ksys_sync+0xbd/0x1c0 [ 286.591528][ T28] ? sync_filesystem+0x220/0x220 [ 286.596932][ T28] ? syscall_enter_from_user_mode+0x32/0x230 [ 286.603031][ T28] ? syscall_enter_from_user_mode+0x8c/0x230 [ 286.609372][ T28] __do_sys_sync+0xe/0x20 [ 286.613770][ T28] do_syscall_64+0x41/0xc0 [ 286.618578][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 286.624621][ T28] RIP: 0033:0x7f9f1ed597c9 [ 286.629427][ T28] RSP: 002b:00007f9f1ecf5218 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 286.638097][ T28] RAX: ffffffffffffffda RBX: 00007f9f1ede16d8 RCX: 00007f9f1ed597c9 [ 286.646343][ T28] RDX: 00007f9f1ed597c9 RSI: 00000000000f4240 RDI: 0000000000000081 [ 286.654444][ T28] RBP: 00007f9f1ede16d0 R08: 0000000000000000 R09: 0000000000000000 [ 286.662706][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9f1edae5c0 [ 286.671029][ T28] R13: 00007f9f1edad0c0 R14: 00007f9f1edad07e R15: 0030656c69662f2e [ 286.679329][ T28] [ 286.682439][ T28] [ 286.682439][ T28] Showing all locks held in the system: [ 286.690441][ T28] 1 lock held by rcu_tasks_kthre/13: [ 286.695988][ T28] #0: ffffffff8d328db0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 [ 286.706833][ T28] 1 lock held by rcu_tasks_trace/14: [ 286.712144][ T28] #0: ffffffff8d329170 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 [ 286.723500][ T28] 1 lock held by khungtaskd/28: [ 286.728559][ T28] #0: ffffffff8d328be0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 286.738234][ T28] 3 locks held by syslogd/4453: [ 286.743117][ T28] #0: ffff8880b993bf98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 286.753373][ T28] #1: ffff88807e261e20 (&mm->mmap_lock){++++}-{3:3}, at: psi_task_switch+0x441/0x770 [ 286.763312][ T28] #2: ffffffff8d328be0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x40 [ 286.772961][ T28] 2 locks held by getty/4772: [ 286.777850][ T28] #0: ffff88814adb3098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 286.787987][ T28] #1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b1/0x1dc0 [ 286.798367][ T28] 1 lock held by syz-executor235/5028: [ 286.803850][ T28] 1 lock held by syz-executor235/5029: [ 286.809699][ T28] #0: ffff8880132e60e0 (&type->s_umount_key#63){.+.+}-{3:3}, at: iterate_supers+0xb0/0x1e0 [ 286.820127][ T28] [ 286.822475][ T28] ============================================= [ 286.822475][ T28] [ 286.831195][ T28] NMI backtrace for cpu 0 [ 286.835550][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.5.0-rc4-syzkaller-00211-ge6fda526d9db #0 [ 286.845377][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 286.855537][ T28] Call Trace: [ 286.858838][ T28] [ 286.862426][ T28] dump_stack_lvl+0x1e7/0x2d0 [ 286.867153][ T28] ? nf_tcp_handle_invalid+0x650/0x650 [ 286.872735][ T28] ? panic+0x770/0x770 [ 286.876868][ T28] ? __irq_work_queue_local+0x137/0x3e0 [ 286.882466][ T28] nmi_cpu_backtrace+0x498/0x4d0 [ 286.887452][ T28] ? vprintk_emit+0x10d/0x1f0 [ 286.892177][ T28] ? nmi_trigger_cpumask_backtrace+0x300/0x300 [ 286.898359][ T28] ? _printk+0xd5/0x120 [ 286.902544][ T28] ? panic+0x770/0x770 [ 286.906644][ T28] ? __wake_up_klogd+0xcc/0x100 [ 286.911535][ T28] ? panic+0x770/0x770 [ 286.915634][ T28] ? __rcu_read_unlock+0x96/0x100 [ 286.920704][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.926942][ T28] nmi_trigger_cpumask_backtrace+0x187/0x300 [ 286.932954][ T28] watchdog+0xec2/0xf00 [ 286.937150][ T28] kthread+0x2b8/0x350 [ 286.941230][ T28] ? hungtask_pm_notify+0x90/0x90 [ 286.946265][ T28] ? kthread_blkcg+0xd0/0xd0 [ 286.950895][ T28] ret_from_fork+0x2e/0x60 [ 286.955425][ T28] ? kthread_blkcg+0xd0/0xd0 [ 286.960070][ T28] ret_from_fork_asm+0x11/0x20 [ 286.964911][ T28] [ 286.968353][ T28] Sending NMI from CPU 0 to CPUs 1: [ 286.973599][ C1] NMI backtrace for cpu 1 [ 286.973610][ C1] CPU: 1 PID: 5028 Comm: syz-executor235 Not tainted 6.5.0-rc4-syzkaller-00211-ge6fda526d9db #0 [ 286.973628][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 286.973638][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x60 [ 286.973670][ C1] Code: 00 00 f3 0f 1e fa 53 48 89 fb e8 13 00 00 00 48 8b 3d e4 bf 0c 0d 48 89 de 5b e9 83 f8 57 00 0f 1f 00 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0d b0 0d 78 7e 65 8b 15 b1 0d 78 7e f7 c2 00 01 ff 00 74 [ 286.973683][ C1] RSP: 0018:ffffc90003bcf628 EFLAGS: 00000202 [ 286.973698][ C1] RAX: ffffffff82041d2c RBX: 0000000000000001 RCX: ffffffff82041cf4 [ 286.973710][ C1] RDX: ffff888027e7bb80 RSI: ffffffff8b58a3a0 RDI: ffffffff8b58a360 [ 286.973722][ C1] RBP: 0000000000000001 R08: ffffffff82041d1a R09: 1ffffffff1d30ca5 [ 286.973733][ C1] R10: dffffc0000000000 R11: fffffbfff1d30ca6 R12: ffff888075efcae0 [ 286.973745][ C1] R13: 00000000000000a0 R14: 0000000000000000 R15: dffffc0000000000 [ 286.973755][ C1] FS: 00007f9f1ed166c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 286.973769][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 286.973780][ C1] CR2: 0000562f7bae7680 CR3: 00000000277dd000 CR4: 00000000003506e0 [ 286.973794][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 286.973803][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 286.973813][ C1] Call Trace: [ 286.973819][ C1] [ 286.973825][ C1] ? nmi_cpu_backtrace+0x3be/0x4d0 [ 286.973846][ C1] ? read_lock_is_recursive+0x20/0x20 [ 286.973876][ C1] ? nmi_trigger_cpumask_backtrace+0x300/0x300 [ 286.973896][ C1] ? unknown_nmi_error+0xc0/0xc0 [ 286.973927][ C1] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 286.973952][ C1] ? nmi_handle+0xf7/0x370 [ 286.973975][ C1] ? __sanitizer_cov_trace_pc+0x8/0x60 [ 286.974000][ C1] ? default_do_nmi+0x62/0x150 [ 286.974019][ C1] ? exc_nmi+0x11e/0x1f0 [ 286.974037][ C1] ? end_repeat_nmi+0x16/0x31 [ 286.974055][ C1] ? touch_buffer+0x8a/0x210 [ 286.974105][ C1] ? touch_buffer+0x9c/0x210 [ 286.974128][ C1] ? touch_buffer+0x64/0x210 [ 286.974153][ C1] ? __sanitizer_cov_trace_pc+0x8/0x60 [ 286.974179][ C1] ? __sanitizer_cov_trace_pc+0x8/0x60 [ 286.974205][ C1] ? __sanitizer_cov_trace_pc+0x8/0x60 [ 286.974230][ C1] [ 286.974234][ C1] [ 286.974239][ C1] touch_buffer+0x9c/0x210 [ 286.974265][ C1] __find_get_block+0x2d3/0x10e0 [ 286.974286][ C1] ? write_boundary_block+0xb0/0xb0 [ 286.974302][ C1] ? __might_sleep+0xc0/0xc0 [ 286.974325][ C1] ? __find_get_block+0x2d3/0x10e0 [ 286.974347][ C1] __getblk_gfp+0x2f/0x630 [ 286.974364][ C1] ? exfat_put_dentry_set+0x2b0/0x2b0 [ 286.974439][ C1] __bread_gfp+0x2e/0x380 [ 286.974456][ C1] exfat_get_dentry+0x53b/0x730 [ 286.974470][ C1] ? __getblk_gfp+0x52/0x630 [ 286.974484][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 286.974515][ C1] ? exfat_init_dir_entry+0xa30/0xa30 [ 286.974538][ C1] exfat_create_upcase_table+0x259/0xfa0 [ 286.974561][ C1] ? should_fail_bio+0xd5/0x110 [ 286.974645][ C1] ? exfat_nls_to_utf16+0xcc0/0xcc0 [ 286.974672][ C1] exfat_fill_super+0x1206/0x2b80 [ 286.974704][ C1] ? exfat_reconfigure+0xa0/0xa0 [ 286.974720][ C1] ? set_blocksize+0x1e2/0x390 [ 286.974765][ C1] ? sb_set_blocksize+0x99/0x100 [ 286.974792][ C1] get_tree_bdev+0x468/0x6c0 [ 286.974811][ C1] ? exfat_reconfigure+0xa0/0xa0 [ 286.974832][ C1] vfs_get_tree+0x8c/0x270 [ 286.974852][ C1] do_new_mount+0x28f/0xae0 [ 286.974875][ C1] ? do_move_mount_old+0x170/0x170 [ 286.974897][ C1] ? user_path_at_empty+0x12f/0x180 [ 286.974916][ C1] __se_sys_mount+0x2d9/0x3c0 [ 286.974940][ C1] ? __x64_sys_mount+0xc0/0xc0 [ 286.974960][ C1] ? syscall_enter_from_user_mode+0x32/0x230 [ 286.974984][ C1] ? __x64_sys_mount+0x20/0xc0 [ 286.975005][ C1] do_syscall_64+0x41/0xc0 [ 286.975023][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 286.975048][ C1] RIP: 0033:0x7f9f1ed5abea [ 286.975063][ C1] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 286.975076][ C1] RSP: 002b:00007f9f1ed16088 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 286.975093][ C1] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9f1ed5abea [ 286.975105][ C1] RDX: 0000000020001500 RSI: 0000000020000140 RDI: 00007f9f1ed160a0 [ 286.975117][ C1] RBP: 00007f9f1ed160a0 R08: 00007f9f1ed160e0 R09: 00000000000014f8 [ 286.975129][ C1] R10: 0000000000000800 R11: 0000000000000286 R12: 00007f9f1ed160e0 [ 286.975140][ C1] R13: 0000000000000800 R14: 0000000000000004 R15: 0000000000020101 [ 286.975159][ C1] [ 286.975166][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.566 msecs [ 286.976526][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 286.976540][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.5.0-rc4-syzkaller-00211-ge6fda526d9db #0 [ 286.976563][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 286.976575][ T28] Call Trace: [ 286.976582][ T28] [ 286.976590][ T28] dump_stack_lvl+0x1e7/0x2d0 [ 286.976620][ T28] ? nf_tcp_handle_invalid+0x650/0x650 [ 286.976644][ T28] ? panic+0x770/0x770 [ 286.976679][ T28] ? vscnprintf+0x5d/0x80 [ 286.976713][ T28] panic+0x30f/0x770 [ 286.976742][ T28] ? nmi_trigger_cpumask_backtrace+0x233/0x300 [ 286.976770][ T28] ? __memcpy_flushcache+0x2b0/0x2b0 [ 286.976798][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.976835][ T28] ? nmi_trigger_cpumask_backtrace+0x233/0x300 [ 286.976860][ T28] ? nmi_trigger_cpumask_backtrace+0x2b4/0x300 [ 286.976889][ T28] ? nmi_trigger_cpumask_backtrace+0x2b9/0x300 [ 286.976918][ T28] watchdog+0xf00/0xf00 [ 286.976961][ T28] kthread+0x2b8/0x350 [ 286.976984][ T28] ? hungtask_pm_notify+0x90/0x90 [ 286.977004][ T28] ? kthread_blkcg+0xd0/0xd0 [ 286.977030][ T28] ret_from_fork+0x2e/0x60 [ 286.977057][ T28] ? kthread_blkcg+0xd0/0xd0 [ 286.977081][ T28] ret_from_fork_asm+0x11/0x20 [ 286.977128][ T28] [ 286.980217][ T28] Kernel Offset: disabled [ 287.573404][ T28] Rebooting in 86400 seconds..