./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2916125862 <...> Warning: Permanently added '10.128.1.111' (ED25519) to the list of known hosts. execve("./syz-executor2916125862", ["./syz-executor2916125862"], 0x7ffe3e010f00 /* 10 vars */) = 0 brk(NULL) = 0x55557cd26000 brk(0x55557cd26d00) = 0x55557cd26d00 arch_prctl(ARCH_SET_FS, 0x55557cd26380) = 0 set_tid_address(0x55557cd26650) = 5071 set_robust_list(0x55557cd26660, 24) = 0 rseq(0x55557cd26ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2916125862", 4096) = 28 getrandom("\x61\x40\x73\x37\x37\x35\x44\x2e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557cd26d00 brk(0x55557cd47d00) = 0x55557cd47d00 brk(0x55557cd48000) = 0x55557cd48000 mprotect(0x7fa83a266000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5072 attached [pid 5072] set_robust_list(0x55557cd26660, 24 [pid 5071] <... clone resumed>, child_tidptr=0x55557cd26650) = 5072 [pid 5072] <... set_robust_list resumed>) = 0 [pid 5072] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5072] setsid() = 1 [pid 5072] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5072] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5072] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5072] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5072] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5072] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5072] unshare(CLONE_NEWNS) = 0 [pid 5072] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5072] unshare(CLONE_NEWIPC) = 0 [pid 5072] unshare(CLONE_NEWCGROUP) = 0 [pid 5072] unshare(CLONE_NEWUTS) = 0 [pid 5072] unshare(CLONE_SYSVSEM) = 0 [pid 5072] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "16777216", 8) = 8 [pid 5072] close(3) = 0 [pid 5072] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "536870912", 9) = 9 [pid 5072] close(3) = 0 [pid 5072] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "1024", 4) = 4 [pid 5072] close(3) = 0 [pid 5072] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "8192", 4) = 4 [pid 5072] close(3) = 0 [pid 5072] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "1024", 4) = 4 [pid 5072] close(3) = 0 [pid 5072] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "1024", 4) = 4 [pid 5072] close(3) = 0 [pid 5072] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5072] close(3) = 0 [pid 5072] getpid() = 1 [pid 5072] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 75.924159][ T61] dump_stack_lvl+0x241/0x360 [ 75.928879][ T61] ? __pfx_dump_stack_lvl+0x10/0x10 [ 75.934105][ T61] ? __pfx__printk+0x10/0x10 [ 75.938720][ T61] ? srso_return_thunk+0x5/0x5f [ 75.943589][ T61] ? _printk+0xd5/0x120 [ 75.947767][ T61] print_report+0xe8/0x550 [ 75.952214][ T61] ? srso_return_thunk+0x5/0x5f [ 75.957074][ T61] ? __virt_addr_valid+0x58/0x520 [ 75.962214][ T61] ? hfsplus_bnode_read_u16+0x146/0x2c0 [ 75.967774][ T61] kasan_report+0x143/0x180 [ 75.972308][ T61] ? srso_return_thunk+0x5/0x5f [ 75.977194][ T61] ? hfsplus_bnode_read_u16+0x146/0x2c0 [ 75.982759][ T61] ? hfsplus_bnode_read_u16+0x146/0x2c0 [ 75.988325][ T61] kasan_check_range+0x282/0x290 [ 75.993281][ T61] ? hfsplus_bnode_read_u16+0x146/0x2c0 [ 75.998839][ T61] __asan_memcpy+0x29/0x70 [ 76.003271][ T61] hfsplus_bnode_read_u16+0x146/0x2c0 [ 76.008655][ T61] ? __pfx_hfsplus_bnode_read_u16+0x10/0x10 [ 76.014560][ T61] ? alarm_timer_nsleep_restart+0x90/0x2c0 [ 76.020400][ T61] ? do_raw_spin_unlock+0x13c/0x8b0 [ 76.025617][ T61] hfsplus_bnode_find+0x76d/0x10c0 [ 76.030750][ T61] ? srso_return_thunk+0x5/0x5f [ 76.035613][ T61] ? __pfx_hfsplus_bnode_find+0x10/0x10 [ 76.041170][ T61] ? hfsplus_write_inode+0x4aa/0x5e0 [ 76.046471][ T61] ? __pfx_lock_release+0x10/0x10 [ 76.051502][ T61] ? do_raw_spin_lock+0x14f/0x370 [ 76.056543][ T61] ? hfsplus_inode_write_fork+0x39/0x190 [ 76.062185][ T61] hfsplus_btree_write+0x24/0x4c0 [ 76.067221][ T61] ? srso_return_thunk+0x5/0x5f [ 76.072086][ T61] ? hfsplus_inode_write_fork+0x39/0x190 [ 76.077727][ T61] hfsplus_write_inode+0x4c4/0x5e0 [ 76.083784][ T61] __writeback_single_inode+0x6a1/0xfd0 [ 76.089341][ T61] writeback_sb_inodes+0x8e4/0x1220 [ 76.094655][ T61] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 76.100320][ T61] ? __pfx_move_expired_inodes+0x10/0x10 [ 76.105990][ T61] ? srso_return_thunk+0x5/0x5f [ 76.110851][ T61] ? queue_io+0x3d5/0x580 [ 76.115192][ T61] wb_writeback+0x447/0xc70 [ 76.119716][ T61] ? __pfx_wb_writeback+0x10/0x10 [ 76.124745][ T61] ? srso_return_thunk+0x5/0x5f [ 76.129614][ T61] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 76.135714][ T61] wb_workfn+0x400/0x1070 [ 76.140070][ T61] ? __pfx_wb_workfn+0x10/0x10 [ 76.144842][ T61] ? srso_return_thunk+0x5/0x5f [ 76.149718][ T61] ? __pfx_lock_acquire+0x10/0x10 [ 76.154757][ T61] ? srso_return_thunk+0x5/0x5f [ 76.159624][ T61] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 76.165635][ T61] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 76.171985][ T61] ? process_scheduled_works+0x91b/0x1770 [ 76.177714][ T61] process_scheduled_works+0xa02/0x1770 [ 76.183318][ T61] ? __pfx_process_scheduled_works+0x10/0x10 [ 76.189309][ T61] ? assign_work+0x364/0x3d0 [ 76.193948][ T61] worker_thread+0x86d/0xd70 [ 76.198558][ T61] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 76.204477][ T61] ? __kthread_parkme+0x169/0x1d0 [ 76.209507][ T61] ? __pfx_worker_thread+0x10/0x10 [ 76.214630][ T61] kthread+0x2f2/0x390 [ 76.218716][ T61] ? __pfx_worker_thread+0x10/0x10 [ 76.223838][ T61] ? __pfx_kthread+0x10/0x10 [ 76.228449][ T61] ret_from_fork+0x4d/0x80 [ 76.232894][ T61] ? __pfx_kthread+0x10/0x10 [ 76.237501][ T61] ret_from_fork_asm+0x1a/0x30 [ 76.242296][ T61] [ 76.245312][ T61] ================================================================== [ 76.253654][ T61] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 76.260891][ T61] CPU: 0 PID: 61 Comm: kworker/u8:4 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 76.270802][ T61] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 76.280880][ T61] Workqueue: writeback wb_workfn (flush-7:0) [ 76.287078][ T61] Call Trace: [ 76.290368][ T61] [ 76.293324][ T61] dump_stack_lvl+0x241/0x360 [ 76.298048][ T61] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.303279][ T61] ? __pfx__printk+0x10/0x10 [ 76.307900][ T61] ? preempt_schedule+0xe1/0xf0 [ 76.312763][ T61] ? srso_return_thunk+0x5/0x5f [ 76.317629][ T61] ? vscnprintf+0x5d/0x90 [ 76.321984][ T61] panic+0x349/0x860 [ 76.325908][ T61] ? check_panic_on_warn+0x21/0xb0 [ 76.331046][ T61] ? __pfx_panic+0x10/0x10 [ 76.335519][ T61] ? srso_return_thunk+0x5/0x5f [ 76.340417][ T61] ? srso_return_thunk+0x5/0x5f [ 76.345285][ T61] ? _raw_spin_unlock_irqrestore+0x130/0x140 [ 76.351294][ T61] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 76.357653][ T61] ? print_report+0xe8/0x550 [ 76.362273][ T61] check_panic_on_warn+0x86/0xb0 [ 76.367243][ T61] ? hfsplus_bnode_read_u16+0x146/0x2c0 [ 76.372825][ T61] end_report+0x6e/0x140 [ 76.377192][ T61] kasan_report+0x154/0x180 [ 76.381720][ T61] ? srso_return_thunk+0x5/0x5f [ 76.386593][ T61] ? hfsplus_bnode_read_u16+0x146/0x2c0 [ 76.392166][ T61] ? hfsplus_bnode_read_u16+0x146/0x2c0 [ 76.397739][ T61] kasan_check_range+0x282/0x290 [ 76.402705][ T61] ? hfsplus_bnode_read_u16+0x146/0x2c0 [ 76.408277][ T61] __asan_memcpy+0x29/0x70 [ 76.412711][ T61] hfsplus_bnode_read_u16+0x146/0x2c0 [ 76.418106][ T61] ? __pfx_hfsplus_bnode_read_u16+0x10/0x10 [ 76.424023][ T61] ? alarm_timer_nsleep_restart+0x90/0x2c0 [ 76.429855][ T61] ? do_raw_spin_unlock+0x13c/0x8b0 [ 76.435089][ T61] hfsplus_bnode_find+0x76d/0x10c0 [ 76.440230][ T61] ? srso_return_thunk+0x5/0x5f [ 76.445099][ T61] ? __pfx_hfsplus_bnode_find+0x10/0x10 [ 76.450667][ T61] ? hfsplus_write_inode+0x4aa/0x5e0 [ 76.456151][ T61] ? __pfx_lock_release+0x10/0x10 [ 76.461189][ T61] ? do_raw_spin_lock+0x14f/0x370 [ 76.466240][ T61] ? hfsplus_inode_write_fork+0x39/0x190 [ 76.471891][ T61] hfsplus_btree_write+0x24/0x4c0 [ 76.476942][ T61] ? srso_return_thunk+0x5/0x5f [ 76.481815][ T61] ? hfsplus_inode_write_fork+0x39/0x190 [ 76.487471][ T61] hfsplus_write_inode+0x4c4/0x5e0 [ 76.492618][ T61] __writeback_single_inode+0x6a1/0xfd0 [ 76.498184][ T61] writeback_sb_inodes+0x8e4/0x1220 [ 76.503793][ T61] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 76.509448][ T61] ? __pfx_move_expired_inodes+0x10/0x10 [ 76.515107][ T61] ? srso_return_thunk+0x5/0x5f [ 76.519987][ T61] ? queue_io+0x3d5/0x580 [ 76.524336][ T61] wb_writeback+0x447/0xc70 [ 76.528865][ T61] ? __pfx_wb_writeback+0x10/0x10 [ 76.533915][ T61] ? srso_return_thunk+0x5/0x5f [ 76.538789][ T61] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 76.544800][ T61] wb_workfn+0x400/0x1070 [ 76.549280][ T61] ? __pfx_wb_workfn+0x10/0x10 [ 76.554077][ T61] ? srso_return_thunk+0x5/0x5f [ 76.558985][ T61] ? __pfx_lock_acquire+0x10/0x10 [ 76.564037][ T61] ? srso_return_thunk+0x5/0x5f [ 76.568930][ T61] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 76.574933][ T61] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 76.581288][ T61] ? process_scheduled_works+0x91b/0x1770 [ 76.587024][ T61] process_scheduled_works+0xa02/0x1770 [ 76.592601][ T61] ? __pfx_process_scheduled_works+0x10/0x10 [ 76.598628][ T61] ? assign_work+0x364/0x3d0 [ 76.603236][ T61] worker_thread+0x86d/0xd70 [ 76.607851][ T61] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 76.613789][ T61] ? __kthread_parkme+0x169/0x1d0 [ 76.618838][ T61] ? __pfx_worker_thread+0x10/0x10 [ 76.623978][ T61] kthread+0x2f2/0x390 [ 76.628072][ T61] ? __pfx_worker_thread+0x10/0x10 [ 76.633201][ T61] ? __pfx_kthread+0x10/0x10 [ 76.637816][ T61] ret_from_fork+0x4d/0x80 [ 76.642264][ T61] ? __pfx_kthread+0x10/0x10 [ 76.646877][ T61] ret_from_fork_asm+0x1a/0x30 [ 76.651675][ T61] [ 76.654933][ T61] Kernel Offset: disabled [ 76.659267][ T61] Rebooting in 86400 seconds..