./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3656085491 <...> Warning: Permanently added '10.128.1.62' (ED25519) to the list of known hosts. execve("./syz-executor3656085491", ["./syz-executor3656085491"], 0x7fff9a607f60 /* 10 vars */) = 0 brk(NULL) = 0x555568828000 brk(0x555568828d40) = 0x555568828d40 arch_prctl(ARCH_SET_FS, 0x5555688283c0) = 0 set_tid_address(0x555568828690) = 5856 set_robust_list(0x5555688286a0, 24) = 0 rseq(0x555568828ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3656085491", 4096) = 28 getrandom("\xa3\xc1\x63\x5a\x96\x82\x4a\x16", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555568828d40 brk(0x555568849d40) = 0x555568849d40 brk(0x55556884a000) = 0x55556884a000 mprotect(0x7f859a96f000, 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 5857 attached [pid 5857] set_robust_list(0x5555688286a0, 24 [pid 5856] <... clone resumed>, child_tidptr=0x555568828690) = 5857 [pid 5857] <... set_robust_list resumed>) = 0 [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5857] setpgid(0, 0) = 0 [pid 5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5857] write(3, "1000", 4) = 4 [pid 5857] close(3) = 0 executing program [pid 5857] write(1, "executing program\n", 18) = 18 [pid 5857] futex(0x7f859a9756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5857] rt_sigaction(SIGRT_1, {sa_handler=0x7f859a913730, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f859a904de0}, NULL, 8) = 0 [pid 5857] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f859a884000 [pid 5857] mprotect(0x7f859a885000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5857] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5857] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f859a8a4990, parent_tid=0x7f859a8a4990, exit_signal=0, stack=0x7f859a884000, stack_size=0x20300, tls=0x7f859a8a46c0}./strace-static-x86_64: Process 5859 attached [pid 5859] rseq(0x7f859a8a4fe0, 0x20, 0, 0x53053053) = 0 [pid 5857] <... clone3 resumed> => {parent_tid=[5859]}, 88) = 5859 [pid 5859] set_robust_list(0x7f859a8a49a0, 24 [pid 5857] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] <... set_robust_list resumed>) = 0 [pid 5857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] futex(0x7f859a9756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] <... futex resumed>) = 0 [pid 5859] memfd_create("syzkaller", 0 [pid 5857] futex(0x7f859a9756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5859] <... memfd_create resumed>) = 3 [pid 5859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8592400000 [pid 5859] 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\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"..., 131072) = 131072 [pid 5859] munmap(0x7f8592400000, 138412032) = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5859] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5859] close(3) = 0 [pid 5859] close(4) = 0 [pid 5859] mkdir("./file0", 0777) = 0 [ 217.552915][ T5859] loop0: detected capacity change from 0 to 256 [ 217.578165][ T5859] ======================================================= [ 217.578165][ T5859] WARNING: The mand mount option has been deprecated and [ 217.578165][ T5859] and is ignored by this kernel. Remove the mand [pid 5859] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "utf8,discard,dmask=00000000000000000000007,uid=0x0000000000000000,utf8,iocharset=maccroatian,namecas"...) = 0 [pid 5859] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5859] chdir("./file0") = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5859] futex(0x7f859a9756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5857] <... futex resumed>) = 0 [pid 5859] futex(0x7f859a9756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5857] futex(0x7f859a9756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] <... futex resumed>) = 0 [pid 5859] openat(AT_FDCWD, ".", O_RDONLY) = 4 [ 217.578165][ T5859] option from the mount to silence this warning. [ 217.578165][ T5859] ======================================================= [ 217.613628][ T5859] exfat: Deprecated parameter 'utf8' [ 217.619094][ T5859] exfat: Deprecated parameter 'utf8' [ 217.624619][ T5859] exfat: Deprecated parameter 'namecase' [ 217.637788][ T5859] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0x205ad3fc, utbl_chksum : 0xe619d30d) [pid 5857] futex(0x7f859a9756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] futex(0x7f859a9756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... futex resumed>) = 0 [pid 5859] <... futex resumed>) = 1 [pid 5857] futex(0x7f859a9756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] getdents64(4, [pid 5857] <... futex resumed>) = 0 [pid 5857] futex(0x7f859a9756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5857] futex(0x7f859a9756dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f859a863000 [pid 5857] mprotect(0x7f859a864000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5857] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5857] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f859a883990, parent_tid=0x7f859a883990, exit_signal=0, stack=0x7f859a863000, stack_size=0x20300, tls=0x7f859a8836c0}./strace-static-x86_64: Process 5860 attached [pid 5860] rseq(0x7f859a883fe0, 0x20, 0, 0x53053053) = 0 [pid 5860] set_robust_list(0x7f859a8839a0, 24) = 0 [pid 5857] <... clone3 resumed> => {parent_tid=[5860]}, 88) = 5860 [pid 5860] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] rt_sigprocmask(SIG_SETMASK, [], [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5860] futex(0x7f859a9756d8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] futex(0x7f859a9756d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5860] unlink("./file1" [pid 5857] futex(0x7f859a9756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5857] exit_group(0) = ? [pid 5856] kill(-5857, SIGKILL) = 0 [pid 5856] kill(5857, SIGKILL) = 0 [pid 5856] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x555568829730 /* 2 entries */, 32768) = 48 [pid 5856] getdents64(3, 0x555568829730 /* 0 entries */, 32768) = 0 [pid 5856] close(3) = 0 [ 430.456888][ T30] INFO: task syz-executor365:5860 blocked for more than 143 seconds. [ 430.465158][ T30] Not tainted 6.12.0-syzkaller-10740-g509f806f7f70 #0 [ 430.472934][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 430.482194][ T30] task:syz-executor365 state:D stack:27568 pid:5860 tgid:5857 ppid:5856 flags:0x00004006 [ 430.492767][ T30] Call Trace: [ 430.496064][ T30] [ 430.499393][ T30] __schedule+0x17fb/0x4be0 [ 430.503986][ T30] ? __pfx___schedule+0x10/0x10 [ 430.509264][ T30] ? __pfx_lock_release+0x10/0x10 [ 430.514317][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 430.520697][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 430.527339][ T30] ? _raw_spin_lock_irq+0xdf/0x120 [ 430.532492][ T30] ? schedule+0x90/0x320 [ 430.537146][ T30] schedule+0x14b/0x320 [ 430.541338][ T30] schedule_preempt_disabled+0x13/0x30 [ 430.547209][ T30] rwsem_down_write_slowpath+0xeee/0x13b0 [ 430.552960][ T30] ? rwsem_down_write_slowpath+0xa09/0x13b0 [ 430.559285][ T30] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 430.565474][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 430.570899][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 430.575962][ T30] ? __pfx_lock_release+0x10/0x10 [ 430.581337][ T30] ? rcu_read_lock_any_held+0xb7/0x160 [ 430.587639][ T30] down_write_nested+0x1e0/0x220 [ 430.592788][ T30] ? __pfx_down_write_nested+0x10/0x10 [ 430.598680][ T30] do_unlinkat+0x26a/0x830 [ 430.603137][ T30] ? __pfx_do_unlinkat+0x10/0x10 [ 430.608534][ T30] ? __might_fault+0xc6/0x120 [ 430.613246][ T30] ? strncpy_from_user+0x152/0x270 [ 430.618762][ T30] ? getname_flags+0x1e3/0x540 [ 430.623554][ T30] __x64_sys_unlink+0x47/0x50 [ 430.628638][ T30] do_syscall_64+0xf3/0x230 [ 430.633168][ T30] ? clear_bhb_loop+0x35/0x90 [ 430.638374][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.644298][ T30] RIP: 0033:0x7f859a8ed849 [ 430.649218][ T30] RSP: 002b:00007f859a883218 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 430.657917][ T30] RAX: ffffffffffffffda RBX: 00007f859a9756d8 RCX: 00007f859a8ed849 [ 430.665924][ T30] RDX: ffffffffffffffb0 RSI: 0000000000000000 RDI: 0000000020000180 [ 430.674327][ T30] RBP: 00007f859a9756d0 R08: 0000000000000000 R09: 0000000000000000 [ 430.682657][ T30] R10: 00007ffcea99c467 R11: 0000000000000246 R12: 00007f859a94107e [ 430.690917][ T30] R13: 00007f859a941086 R14: 0030656c69662f2e R15: 0031656c69662f2e [ 430.699476][ T30] [ 430.702523][ T30] [ 430.702523][ T30] Showing all locks held in the system: [ 430.710779][ T30] 1 lock held by khungtaskd/30: [ 430.715649][ T30] #0: ffffffff8e93c560 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 [ 430.725988][ T30] 2 locks held by getty/5599: [ 430.731007][ T30] #0: ffff888031df60a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 430.741074][ T30] #1: ffffc90002fee2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 [ 430.751505][ T30] 3 locks held by syz-executor365/5859: [ 430.757287][ T30] 2 locks held by syz-executor365/5860: [ 430.762847][ T30] #0: ffff88807d9ce420 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 [ 430.772496][ T30] #1: ffff8880740c02a0 (&sb->s_type->i_mutex_key#14/1){+.+.}-{4:4}, at: do_unlinkat+0x26a/0x830 [ 430.783431][ T30] [ 430.785772][ T30] ============================================= [ 430.785772][ T30] [ 430.794798][ T30] NMI backtrace for cpu 1 [ 430.799154][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-syzkaller-10740-g509f806f7f70 #0 [ 430.809322][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 430.819405][ T30] Call Trace: [ 430.822702][ T30] [ 430.825649][ T30] dump_stack_lvl+0x241/0x360 [ 430.830352][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 430.835565][ T30] ? __pfx__printk+0x10/0x10 [ 430.840181][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 430.845139][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 430.850606][ T30] ? _printk+0xd5/0x120 [ 430.854774][ T30] ? __pfx__printk+0x10/0x10 [ 430.859384][ T30] ? __wake_up_klogd+0xcc/0x110 [ 430.864261][ T30] ? __pfx__printk+0x10/0x10 [ 430.868869][ T30] ? __rcu_read_unlock+0xa1/0x110 [ 430.873904][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 430.879901][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 430.885896][ T30] watchdog+0xff6/0x1040 [ 430.890149][ T30] ? watchdog+0x1ea/0x1040 [ 430.894581][ T30] ? __pfx_watchdog+0x10/0x10 [ 430.899269][ T30] kthread+0x2f0/0x390 [ 430.903352][ T30] ? __pfx_watchdog+0x10/0x10 [ 430.908043][ T30] ? __pfx_kthread+0x10/0x10 [ 430.912644][ T30] ret_from_fork+0x4b/0x80 [ 430.917068][ T30] ? __pfx_kthread+0x10/0x10 [ 430.921672][ T30] ret_from_fork_asm+0x1a/0x30 [ 430.926464][ T30] [ 430.929638][ T30] Sending NMI from CPU 1 to CPUs 0: [ 430.934884][ C0] NMI backtrace for cpu 0 [ 430.934898][ C0] CPU: 0 UID: 0 PID: 5859 Comm: syz-executor365 Not tainted 6.12.0-syzkaller-10740-g509f806f7f70 #0 [ 430.934917][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 430.934926][ C0] RIP: 0010:__might_resched+0x10/0x780 [ 430.934954][ C0] Code: 00 e9 63 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 <53> 48 83 e4 e0 48 81 ec e0 00 00 00 41 89 d4 41 89 f6 48 89 7c 24 [ 430.934967][ C0] RSP: 0018:ffffc90003f7f5f0 EFLAGS: 00000246 [ 430.934982][ C0] RAX: 0000000000000000 RBX: ffff8880740e31d0 RCX: ffff88807a810000 [ 430.934994][ C0] RDX: 0000000000000000 RSI: 0000000000000141 RDI: ffffffff8c19b2e0 [ 430.935006][ C0] RBP: ffffc90003f7f610 R08: ffffffff82229c13 R09: 1ffffffff203a106 [ 430.935018][ C0] R10: dffffc0000000000 R11: fffffbfff203a107 R12: 0000000000000008 [ 430.935029][ C0] R13: ffff888148d3b980 R14: 00000000000000a0 R15: ffff888148d3b980 [ 430.935041][ C0] FS: 00007f859a8a46c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 430.935055][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 430.935066][ C0] CR2: 000055729940f600 CR3: 0000000078d04000 CR4: 00000000003526f0 [ 430.935081][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 430.935090][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 430.935100][ C0] Call Trace: [ 430.935107][ C0] [ 430.935114][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 430.935135][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 430.935152][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 430.935171][ C0] ? nmi_handle+0x2a/0x5a0 [ 430.935194][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 430.935216][ C0] ? nmi_handle+0x14f/0x5a0 [ 430.935233][ C0] ? nmi_handle+0x2a/0x5a0 [ 430.935250][ C0] ? __might_resched+0x10/0x780 [ 430.935277][ C0] ? default_do_nmi+0x63/0x160 [ 430.935297][ C0] ? exc_nmi+0x123/0x1f0 [ 430.935315][ C0] ? end_repeat_nmi+0xf/0x53 [ 430.935335][ C0] ? bdev_getblk+0x53/0x550 [ 430.935353][ C0] ? __might_resched+0x10/0x780 [ 430.935375][ C0] ? __might_resched+0x10/0x780 [ 430.935398][ C0] ? __might_resched+0x10/0x780 [ 430.935420][ C0] [ 430.935425][ C0] [ 430.935432][ C0] bdev_getblk+0x89/0x550 [ 430.935449][ C0] ? __pfx_exfat_find_location+0x10/0x10 [ 430.935467][ C0] ? bdev_getblk+0x4cc/0x550 [ 430.935485][ C0] __bread_gfp+0x86/0x400 [ 430.935502][ C0] exfat_get_dentry+0x53b/0x730 [ 430.935519][ C0] ? bdev_getblk+0x6e/0x550 [ 430.935535][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 430.935560][ C0] ? __pfx_exfat_get_dentry+0x10/0x10 [ 430.935583][ C0] exfat_iterate+0x9f9/0x2ce0 [ 430.935614][ C0] ? __pfx_exfat_iterate+0x10/0x10 [ 430.935660][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 430.935678][ C0] ? down_write+0x18c/0x220 [ 430.935701][ C0] ? __pfx_exfat_iterate+0x10/0x10 [ 430.935719][ C0] wrap_directory_iterator+0x91/0xd0 [ 430.935744][ C0] iterate_dir+0x571/0x800 [ 430.935768][ C0] __se_sys_getdents64+0x1e2/0x4b0 [ 430.935790][ C0] ? _raw_spin_unlock_irq+0x2e/0x50 [ 430.935815][ C0] ? __pfx___se_sys_getdents64+0x10/0x10 [ 430.935838][ C0] ? __pfx_filldir64+0x10/0x10 [ 430.935861][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 430.935878][ C0] ? do_syscall_64+0x100/0x230 [ 430.935897][ C0] do_syscall_64+0xf3/0x230 [ 430.935913][ C0] ? clear_bhb_loop+0x35/0x90 [ 430.935931][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.935949][ C0] RIP: 0033:0x7f859a8ed849 [ 430.935962][ C0] 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 [ 430.935975][ C0] RSP: 002b:00007f859a8a4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 [ 430.935991][ C0] RAX: ffffffffffffffda RBX: 00007f859a9756c8 RCX: 00007f859a8ed849 [ 430.936002][ C0] RDX: 0000000000001000 RSI: 0000000020000f80 RDI: 0000000000000004 [ 430.936013][ C0] RBP: 00007f859a9756c0 R08: 0000000000000000 R09: 0000000000000000 [ 430.936023][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f859a94107e [ 430.936033][ C0] R13: 00007f859a941086 R14: 0030656c69662f2e R15: 0031656c69662f2e [ 430.936051][ C0] [ 430.936058][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.175 msecs [ 431.373639][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 431.380530][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-syzkaller-10740-g509f806f7f70 #0 [ 431.390695][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 431.400757][ T30] Call Trace: [ 431.404043][ T30] [ 431.406981][ T30] dump_stack_lvl+0x241/0x360 [ 431.411674][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 431.416883][ T30] ? __pfx__printk+0x10/0x10 [ 431.421487][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 431.427501][ T30] ? vscnprintf+0x5d/0x90 [ 431.431857][ T30] panic+0x349/0x880 [ 431.435769][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 431.441934][ T30] ? __pfx_panic+0x10/0x10 [ 431.446365][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 431.451753][ T30] ? __irq_work_queue_local+0x137/0x410 [ 431.457310][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 431.462689][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 431.468853][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 431.475027][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 431.481204][ T30] watchdog+0x1035/0x1040 [ 431.485550][ T30] ? watchdog+0x1ea/0x1040 [ 431.489980][ T30] ? __pfx_watchdog+0x10/0x10 [ 431.494665][ T30] kthread+0x2f0/0x390 [ 431.498744][ T30] ? __pfx_watchdog+0x10/0x10 [ 431.503433][ T30] ? __pfx_kthread+0x10/0x10 [ 431.508054][ T30] ret_from_fork+0x4b/0x80 [ 431.512476][ T30] ? __pfx_kthread+0x10/0x10 [ 431.517170][ T30] ret_from_fork_asm+0x1a/0x30 [ 431.521960][ T30] [ 431.525302][ T30] Kernel Offset: disabled [ 431.529624][ T30] Rebooting in 86400 seconds..