./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor378748610 <...> Warning: Permanently added '10.128.0.27' (ED25519) to the list of known hosts. execve("./syz-executor378748610", ["./syz-executor378748610"], 0x7ffdad52f740 /* 10 vars */) = 0 brk(NULL) = 0x5555585cd000 brk(0x5555585cdd40) = 0x5555585cdd40 arch_prctl(ARCH_SET_FS, 0x5555585cd3c0) = 0 set_tid_address(0x5555585cd690) = 5837 set_robust_list(0x5555585cd6a0, 24) = 0 rseq(0x5555585cdce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor378748610", 4096) = 27 getrandom("\xfe\x52\x2e\x0f\x0a\xe5\xe9\x53", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555585cdd40 brk(0x5555585eed40) = 0x5555585eed40 brk(0x5555585ef000) = 0x5555585ef000 mprotect(0x7f89cd68f000, 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 5838 attached [pid 5838] set_robust_list(0x5555585cd6a0, 24 [pid 5837] <... clone resumed>, child_tidptr=0x5555585cd690) = 5838 [pid 5838] <... set_robust_list resumed>) = 0 [pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5838] setpgid(0, 0) = 0 [pid 5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "1000", 4) = 4 [pid 5838] close(3) = 0 executing program [pid 5838] write(1, "executing program\n", 18) = 18 [pid 5838] futex(0x7f89cd69564c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5838] rt_sigaction(SIGRT_1, {sa_handler=0x7f89cd634430, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f89cd625ae0}, NULL, 8) = 0 [pid 5838] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f89cd5a5000 [pid 5838] mprotect(0x7f89cd5a6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5838] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f89cd5c5990, parent_tid=0x7f89cd5c5990, exit_signal=0, stack=0x7f89cd5a5000, stack_size=0x20300, tls=0x7f89cd5c56c0}./strace-static-x86_64: Process 5840 attached [pid 5840] rseq(0x7f89cd5c5fe0, 0x20, 0, 0x53053053 [pid 5838] <... clone3 resumed> => {parent_tid=[5840]}, 88) = 5840 [pid 5840] <... rseq resumed>) = 0 [pid 5838] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] set_robust_list(0x7f89cd5c59a0, 24 [pid 5838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] <... set_robust_list resumed>) = 0 [pid 5840] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] futex(0x7f89cd695648, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] memfd_create("syzkaller", 0 [pid 5838] <... futex resumed>) = 0 [pid 5838] futex(0x7f89cd69564c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5840] <... memfd_create resumed>) = 3 [pid 5840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f89c5000000 [pid 5840] 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 5840] munmap(0x7f89c5000000, 138412032) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5840] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5840] close(3) = 0 [pid 5840] close(4) = 0 [pid 5840] mkdir("./file0", 0777) = 0 [ 114.781921][ T5840] loop0: detected capacity change from 0 to 512 [pid 5840] mount("/dev/loop0", "./file0", "ext4", MS_NOSUID|MS_NOATIME|MS_NODIRATIME|MS_REC|MS_SILENT|MS_LAZYTIME, ",errors=continue") = 0 [pid 5840] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5840] chdir("./file0") = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5840] futex(0x7f89cd69564c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... futex resumed>) = 0 [pid 5840] <... futex resumed>) = 1 [pid 5838] futex(0x7f89cd695648, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] mkdir("./file0", 000 [pid 5838] <... futex resumed>) = 0 [ 114.840197][ T5840] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 114.852850][ T5840] ext4 filesystem being mounted at /root/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 114.902891][ T5840] EXT4-fs error (device loop0): ext4_do_update_inode:5154: inode #2: comm syz-executor378: corrupted inode contents [ 114.916440][ T5840] EXT4-fs error (device loop0): ext4_dirty_inode:6042: inode #2: comm syz-executor378: mark_inode_dirty error [ 114.929597][ T5840] EXT4-fs error (device loop0): ext4_do_update_inode:5154: inode #2: comm syz-executor378: corrupted inode contents [pid 5838] futex(0x7f89cd69564c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] <... mkdir resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5838] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5840] futex(0x7f89cd69564c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5840] futex(0x7f89cd695648, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] futex(0x7f89cd695648, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5838] futex(0x7f89cd69564c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] <... futex resumed>) = 0 [pid 5840] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 5840] futex(0x7f89cd69564c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... futex resumed>) = 0 [pid 5838] futex(0x7f89cd695648, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... futex resumed>) = 1 [pid 5838] <... futex resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/sys/kernel/debug/binder/transactions", O_RDONLY [pid 5838] futex(0x7f89cd69564c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] <... openat resumed>) = 5 [pid 5840] futex(0x7f89cd69564c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5838] <... futex resumed>) = 0 [pid 5840] futex(0x7f89cd695648, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] futex(0x7f89cd695648, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5840] <... futex resumed>) = 0 [ 114.942423][ T5840] EXT4-fs error (device loop0): __ext4_ext_dirty:207: inode #2: comm syz-executor378: mark_inode_dirty error [pid 5840] read(5, [pid 5838] futex(0x7f89cd69564c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] <... read resumed>"binder transactions:\n", 8224) = 21 [pid 5840] futex(0x7f89cd69564c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5840] futex(0x7f89cd695648, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] <... futex resumed>) = 0 [pid 5840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5838] futex(0x7f89cd695648, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] fchown(4, 980643439, 10 [pid 5838] <... futex resumed>) = 0 [pid 5838] futex(0x7f89cd69564c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] <... fchown resumed>) = 0 [pid 5840] futex(0x7f89cd69564c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5838] <... futex resumed>) = 0 [pid 5840] futex(0x7f89cd695648, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] futex(0x7f89cd695648, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5838] <... futex resumed>) = 0 [pid 5840] mkdirat(AT_FDCWD, "./file0", 000 [pid 5838] futex(0x7f89cd69564c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] <... mkdirat resumed>) = 0 [pid 5840] futex(0x7f89cd69564c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5838] <... futex resumed>) = 0 [pid 5840] futex(0x7f89cd695648, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] futex(0x7f89cd695648, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5840] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|FASYNC, 000 [pid 5838] <... futex resumed>) = 0 [pid 5838] futex(0x7f89cd69564c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5838] futex(0x7f89cd69565c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f89cd584000 [pid 5838] mprotect(0x7f89cd585000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5838] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f89cd5a4990, parent_tid=0x7f89cd5a4990, exit_signal=0, stack=0x7f89cd584000, stack_size=0x20300, tls=0x7f89cd5a46c0}./strace-static-x86_64: Process 5844 attached [pid 5844] rseq(0x7f89cd5a4fe0, 0x20, 0, 0x53053053 [pid 5838] <... clone3 resumed> => {parent_tid=[5844]}, 88) = 5844 [pid 5844] <... rseq resumed>) = 0 [pid 5838] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] set_robust_list(0x7f89cd5a49a0, 24 [pid 5838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] <... set_robust_list resumed>) = 0 [pid 5844] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] futex(0x7f89cd695658, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] rename("./file0", "./file0" [pid 5838] <... futex resumed>) = 0 [pid 5838] futex(0x7f89cd69565c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5838] exit_group(0) = ? [pid 5837] kill(-5838, SIGKILL) = 0 [pid 5837] kill(5838, SIGKILL) = 0 [pid 5837] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, 0x5555585ce730 /* 2 entries */, 32768) = 48 [pid 5837] getdents64(3, 0x5555585ce730 /* 0 entries */, 32768) = 0 [pid 5837] close(3) = 0 [ 286.666634][ T30] INFO: task syz-executor378:5844 blocked for more than 143 seconds. [ 286.675530][ T30] Not tainted 6.14.0-rc1-syzkaller-00020-g0de63bb7d919 #0 [ 286.683176][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.692449][ T30] task:syz-executor378 state:D stack:27984 pid:5844 tgid:5838 ppid:5837 task_flags:0x400040 flags:0x00004006 [ 286.705331][ T30] Call Trace: [ 286.708653][ T30] [ 286.711605][ T30] __schedule+0x18bc/0x4c40 [ 286.717110][ T30] ? preempt_schedule_notrace_thunk+0x1a/0x30 [ 286.723236][ T30] ? __pfx___schedule+0x10/0x10 [ 286.728591][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.734022][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.740034][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 286.746830][ T30] ? _raw_spin_lock_irq+0xdf/0x120 [ 286.751986][ T30] ? schedule+0x90/0x320 [ 286.756703][ T30] schedule+0x14b/0x320 [ 286.760894][ T30] schedule_preempt_disabled+0x13/0x30 [ 286.766798][ T30] rwsem_down_write_slowpath+0xeee/0x13b0 [ 286.772565][ T30] ? rwsem_down_write_slowpath+0xa09/0x13b0 [ 286.779020][ T30] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 286.785588][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 286.790646][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 286.796222][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.801287][ T30] ? rcu_read_lock_any_held+0xb7/0x160 [ 286.807378][ T30] down_write_nested+0x1e0/0x220 [ 286.812347][ T30] ? __pfx_down_write_nested+0x10/0x10 [ 286.818378][ T30] do_renameat2+0x62c/0x13f0 [ 286.823023][ T30] ? __virt_addr_valid+0x183/0x530 [ 286.829111][ T30] ? __pfx_do_renameat2+0x10/0x10 [ 286.834557][ T30] ? __virt_addr_valid+0x183/0x530 [ 286.839708][ T30] ? __virt_addr_valid+0x45f/0x530 [ 286.845414][ T30] ? __phys_addr_symbol+0x2f/0x70 [ 286.850491][ T30] ? strncpy_from_user+0x146/0x270 [ 286.856236][ T30] ? getname_flags+0x1e3/0x540 [ 286.861045][ T30] __x64_sys_rename+0x82/0x90 [ 286.866267][ T30] do_syscall_64+0xf3/0x230 [ 286.870808][ T30] ? clear_bhb_loop+0x35/0x90 [ 286.876055][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.881983][ T30] RIP: 0033:0x7f89cd60e549 [ 286.887068][ T30] RSP: 002b:00007f89cd5a4218 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [ 286.896023][ T30] RAX: ffffffffffffffda RBX: 00007f89cd695658 RCX: 00007f89cd60e549 [ 286.904377][ T30] RDX: 00007f89cd5e7cc6 RSI: 00000000200004c0 RDI: 0000000020000240 [ 286.912380][ T30] RBP: 00007f89cd695650 R08: 00007fffe46e3cc7 R09: 0000000000000000 [ 286.920933][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f89cd662634 [ 286.929320][ T30] R13: 0030656c69662f2e R14: 00736e6f69746361 R15: 0031656c69662f2e [ 286.938153][ T30] [ 286.941259][ T30] [ 286.941259][ T30] Showing all locks held in the system: [ 286.949586][ T30] 1 lock held by khungtaskd/30: [ 286.954787][ T30] #0: ffffffff8e9387e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 [ 286.965114][ T30] 2 locks held by getty/5578: [ 286.969812][ T30] #0: ffff88814ddb00a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 286.980107][ T30] #1: ffffc90002fd62f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 [ 286.990667][ T30] 7 locks held by syz-executor378/5840: [ 286.996523][ T30] 2 locks held by syz-executor378/5844: [ 287.002082][ T30] #0: ffff88805a354420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 [ 287.011728][ T30] #1: ffff88805ac8b580 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: do_renameat2+0x62c/0x13f0 [ 287.022578][ T30] [ 287.025193][ T30] ============================================= [ 287.025193][ T30] [ 287.033625][ T30] NMI backtrace for cpu 0 [ 287.033651][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.14.0-rc1-syzkaller-00020-g0de63bb7d919 #0 [ 287.033666][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 287.033674][ T30] Call Trace: [ 287.033681][ T30] [ 287.033687][ T30] dump_stack_lvl+0x241/0x360 [ 287.033718][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.033742][ T30] ? __pfx__printk+0x10/0x10 [ 287.033774][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 287.033797][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.033812][ T30] ? _printk+0xd5/0x120 [ 287.033839][ T30] ? __pfx__printk+0x10/0x10 [ 287.033860][ T30] ? __wake_up_klogd+0xcc/0x110 [ 287.033878][ T30] ? __pfx__printk+0x10/0x10 [ 287.033900][ T30] ? __rcu_read_unlock+0xa1/0x110 [ 287.033921][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.033939][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 287.033960][ T30] watchdog+0x1058/0x10a0 [ 287.033980][ T30] ? watchdog+0x1ea/0x10a0 [ 287.034003][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.034021][ T30] kthread+0x7a9/0x920 [ 287.034039][ T30] ? __pfx_kthread+0x10/0x10 [ 287.034060][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.034078][ T30] ? __pfx_kthread+0x10/0x10 [ 287.034095][ T30] ? __pfx_kthread+0x10/0x10 [ 287.034116][ T30] ? __pfx_kthread+0x10/0x10 [ 287.034133][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.034150][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 287.034169][ T30] ? __pfx_kthread+0x10/0x10 [ 287.034189][ T30] ret_from_fork+0x4b/0x80 [ 287.034206][ T30] ? __pfx_kthread+0x10/0x10 [ 287.034226][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.034256][ T30] [ 287.197539][ T30] Sending NMI from CPU 0 to CPUs 1: [ 287.202784][ C1] NMI backtrace for cpu 1 [ 287.202797][ C1] CPU: 1 UID: 0 PID: 5840 Comm: syz-executor378 Not tainted 6.14.0-rc1-syzkaller-00020-g0de63bb7d919 #0 [ 287.202813][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 287.202822][ C1] RIP: 0010:unwind_next_frame+0x315/0x22d0 [ 287.202847][ C1] Code: 64 48 01 d2 48 01 f2 0f 84 42 01 00 00 48 8d 5a 04 4c 8d 72 05 48 89 d8 48 c1 e8 03 48 bd 00 00 00 00 00 fc ff df 0f b6 04 28 <84> c0 0f 85 58 18 00 00 4c 89 f0 48 c1 e8 03 0f b6 04 28 84 c0 0f [ 287.202859][ C1] RSP: 0018:ffffc900041567b0 EFLAGS: 00000a07 [ 287.202873][ C1] RAX: 0000000000000000 RBX: ffffffff90b1ed4c RCX: ffffffff90366724 [ 287.202884][ C1] RDX: ffffffff90b1ed48 RSI: ffffffff90b1ed48 RDI: ffffffff816bb3f0 [ 287.202895][ C1] RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffc90004156970 [ 287.202906][ C1] R10: ffffc900041568d0 R11: ffffffff81ab1d60 R12: 0000000000000000 [ 287.202916][ C1] R13: ffffc90004156880 R14: ffffffff90b1ed4d R15: ffffffff8238215b [ 287.202927][ C1] FS: 00007f89cd5c56c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 287.202940][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.202950][ C1] CR2: 0000559892ce6600 CR3: 000000007b002000 CR4: 00000000003526f0 [ 287.202963][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.202972][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.202981][ C1] Call Trace: [ 287.202986][ C1] [ 287.202993][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 287.203010][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 287.203045][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.203068][ C1] ? nmi_handle+0x2a/0x5a0 [ 287.203095][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.203111][ C1] ? nmi_handle+0x14f/0x5a0 [ 287.203131][ C1] ? nmi_handle+0x2a/0x5a0 [ 287.203152][ C1] ? unwind_next_frame+0x315/0x22d0 [ 287.203171][ C1] ? default_do_nmi+0x63/0x160 [ 287.203185][ C1] ? exc_nmi+0x123/0x1f0 [ 287.203199][ C1] ? end_repeat_nmi+0xf/0x53 [ 287.203219][ C1] ? path_openat+0x193b/0x3590 [ 287.203244][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 287.203262][ C1] ? unwind_next_frame+0xb0/0x22d0 [ 287.203280][ C1] ? unwind_next_frame+0x315/0x22d0 [ 287.203299][ C1] ? unwind_next_frame+0x315/0x22d0 [ 287.203319][ C1] ? unwind_next_frame+0x315/0x22d0 [ 287.203338][ C1] [ 287.203343][ C1] [ 287.203352][ C1] ? path_openat+0x193c/0x3590 [ 287.203375][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 287.203391][ C1] arch_stack_walk+0x11c/0x150 [ 287.203414][ C1] ? path_openat+0x193c/0x3590 [ 287.203438][ C1] stack_trace_save+0x118/0x1d0 [ 287.203452][ C1] ? __lock_acquire+0x1397/0x2100 [ 287.203470][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 287.203491][ C1] kasan_save_track+0x3f/0x80 [ 287.203505][ C1] ? kasan_save_track+0x3f/0x80 [ 287.203518][ C1] ? __kasan_kmalloc+0x98/0xb0 [ 287.203532][ C1] ? __kmalloc_noprof+0x285/0x4c0 [ 287.203550][ C1] ? qtree_write_dquot+0xf9/0x5b0 [ 287.203569][ C1] ? v2_write_dquot+0x17a/0x270 [ 287.203587][ C1] ? dquot_commit+0x399/0x490 [ 287.203601][ C1] ? ext4_write_dquot+0x212/0x370 [ 287.203615][ C1] ? mark_all_dquot_dirty+0x101/0x450 [ 287.203631][ C1] ? __dquot_free_space+0x977/0xec0 [ 287.203649][ C1] ? ext4_xattr_block_set+0x145a/0x3160 [ 287.203665][ C1] ? ext4_xattr_set_handle+0xce0/0x1580 [ 287.203682][ C1] ? ext4_initxattrs+0xa3/0x120 [ 287.203703][ C1] ? security_inode_init_security+0x29c/0x480 [ 287.203720][ C1] ? __ext4_new_inode+0x388f/0x4630 [ 287.203741][ C1] ? ext4_create+0x279/0x550 [ 287.203754][ C1] ? path_openat+0x193c/0x3590 [ 287.203794][ C1] __kasan_kmalloc+0x98/0xb0 [ 287.203810][ C1] __kmalloc_noprof+0x285/0x4c0 [ 287.203829][ C1] ? qtree_write_dquot+0xf9/0x5b0 [ 287.203850][ C1] qtree_write_dquot+0xf9/0x5b0 [ 287.203873][ C1] ? __pfx_qtree_write_dquot+0x10/0x10 [ 287.203898][ C1] v2_write_dquot+0x17a/0x270 [ 287.203920][ C1] dquot_commit+0x399/0x490 [ 287.203937][ C1] ext4_write_dquot+0x212/0x370 [ 287.203953][ C1] mark_all_dquot_dirty+0x101/0x450 [ 287.203971][ C1] __dquot_free_space+0x977/0xec0 [ 287.203993][ C1] ? __dquot_free_space+0x1f3/0xec0 [ 287.204011][ C1] ? __pfx___dquot_free_space+0x10/0x10 [ 287.204032][ C1] ? rcu_is_watching+0x15/0xb0 [ 287.204054][ C1] ? __mark_inode_dirty+0x3db/0xe90 [ 287.204081][ C1] ext4_xattr_block_set+0x145a/0x3160 [ 287.204109][ C1] ? __pfx_ext4_xattr_block_set+0x10/0x10 [ 287.204125][ C1] ? kasan_save_track+0x51/0x80 [ 287.204141][ C1] ? ext4_reserve_inode_write+0x2b7/0x360 [ 287.204164][ C1] ? __pfx_ext4_reserve_inode_write+0x10/0x10 [ 287.204184][ C1] ? ext4_xattr_ibody_set+0x105/0x730 [ 287.204205][ C1] ext4_xattr_set_handle+0xce0/0x1580 [ 287.204231][ C1] ? __pfx_ext4_xattr_set_handle+0x10/0x10 [ 287.204253][ C1] ? __kmalloc_node_track_caller_noprof+0x2a8/0x4c0 [ 287.204273][ C1] ? kstrdup+0x54/0xb0 [ 287.204295][ C1] ? kstrdup+0x54/0xb0 [ 287.204315][ C1] ? smack_inode_init_security+0x619/0x740 [ 287.204335][ C1] ext4_initxattrs+0xa3/0x120 [ 287.204359][ C1] security_inode_init_security+0x29c/0x480 [ 287.204376][ C1] ? __pfx_ext4_initxattrs+0x10/0x10 [ 287.204399][ C1] ? __pfx_security_inode_init_security+0x10/0x10 [ 287.204418][ C1] ? _raw_spin_unlock+0x28/0x50 [ 287.204433][ C1] ? insert_inode_locked+0x3d8/0x450 [ 287.204457][ C1] __ext4_new_inode+0x388f/0x4630 [ 287.204487][ C1] ? __pfx___ext4_new_inode+0x10/0x10 [ 287.204511][ C1] ? d_splice_alias+0x110/0x330 [ 287.204534][ C1] ? ext4_lookup+0x26d/0x750 [ 287.204550][ C1] ext4_create+0x279/0x550 [ 287.204568][ C1] ? __pfx_ext4_create+0x10/0x10 [ 287.204586][ C1] ? bpf_lsm_inode_create+0x9/0x10 [ 287.204606][ C1] ? security_inode_create+0xbe/0x340 [ 287.204623][ C1] ? __pfx_ext4_create+0x10/0x10 [ 287.204638][ C1] path_openat+0x193c/0x3590 [ 287.204673][ C1] ? __pfx_path_openat+0x10/0x10 [ 287.204703][ C1] do_filp_open+0x27f/0x4e0 [ 287.204725][ C1] ? __pfx_do_filp_open+0x10/0x10 [ 287.204746][ C1] ? do_raw_spin_lock+0x14f/0x370 [ 287.204778][ C1] do_sys_openat2+0x13e/0x1d0 [ 287.204798][ C1] ? __pfx_do_sys_openat2+0x10/0x10 [ 287.204817][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 287.204836][ C1] ? _raw_spin_unlock_irq+0x2e/0x50 [ 287.204852][ C1] ? ptrace_notify+0x279/0x380 [ 287.204876][ C1] __x64_sys_openat+0x247/0x2a0 [ 287.204896][ C1] ? __pfx___x64_sys_openat+0x10/0x10 [ 287.204917][ C1] ? do_syscall_64+0x100/0x230 [ 287.204940][ C1] do_syscall_64+0xf3/0x230 [ 287.204960][ C1] ? clear_bhb_loop+0x35/0x90 [ 287.204981][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.205001][ C1] RIP: 0033:0x7f89cd60e549 [ 287.205015][ 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 [ 287.205026][ C1] RSP: 002b:00007f89cd5c5218 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 287.205041][ C1] RAX: ffffffffffffffda RBX: 00007f89cd695648 RCX: 00007f89cd60e549 [ 287.205052][ C1] RDX: 0000000000103042 RSI: 0000000020000100 RDI: 00000000ffffff9c [ 287.205070][ C1] RBP: 00007f89cd695640 R08: 0000000000000000 R09: 0000000000000000 [ 287.205079][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f89cd662634 [ 287.205088][ C1] R13: 0030656c69662f2e R14: 00736e6f69746361 R15: 0031656c69662f2e [ 287.205106][ C1] [ 287.205113][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.329 msecs [ 287.933724][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 287.940587][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.14.0-rc1-syzkaller-00020-g0de63bb7d919 #0 [ 287.951087][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 287.961140][ T30] Call Trace: [ 287.964418][ T30] [ 287.967345][ T30] dump_stack_lvl+0x241/0x360 [ 287.972040][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.977332][ T30] ? __pfx__printk+0x10/0x10 [ 287.981921][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.987906][ T30] ? vscnprintf+0x5d/0x90 [ 287.992243][ T30] panic+0x349/0x880 [ 287.996139][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 288.002381][ T30] ? __pfx_panic+0x10/0x10 [ 288.006884][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 288.012258][ T30] ? __irq_work_queue_local+0x137/0x410 [ 288.017806][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 288.023186][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 288.029332][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 288.035484][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 288.041634][ T30] watchdog+0x1097/0x10a0 [ 288.045965][ T30] ? watchdog+0x1ea/0x10a0 [ 288.050382][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.055057][ T30] kthread+0x7a9/0x920 [ 288.059123][ T30] ? __pfx_kthread+0x10/0x10 [ 288.063710][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.068386][ T30] ? __pfx_kthread+0x10/0x10 [ 288.072970][ T30] ? __pfx_kthread+0x10/0x10 [ 288.077563][ T30] ? __pfx_kthread+0x10/0x10 [ 288.082146][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 288.087344][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 288.092541][ T30] ? __pfx_kthread+0x10/0x10 [ 288.097131][ T30] ret_from_fork+0x4b/0x80 [ 288.101545][ T30] ? __pfx_kthread+0x10/0x10 [ 288.106131][ T30] ret_from_fork_asm+0x1a/0x30 [ 288.110900][ T30] [ 288.114227][ T30] Kernel Offset: disabled [ 288.118545][ T30] Rebooting in 86400 seconds..