./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4193944914 <...> Warning: Permanently added '10.128.0.28' (ECDSA) to the list of known hosts. execve("./syz-executor4193944914", ["./syz-executor4193944914"], 0x7ffd7c59c1c0 /* 10 vars */) = 0 brk(NULL) = 0x5555557c3000 brk(0x5555557c3c40) = 0x5555557c3c40 arch_prctl(ARCH_SET_FS, 0x5555557c3300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor4193944914", 4096) = 28 brk(0x5555557e4c40) = 0x5555557e4c40 brk(0x5555557e5000) = 0x5555557e5000 mprotect(0x7f0f3f666000, 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 5068 attached , child_tidptr=0x5555557c35d0) = 5068 [pid 5068] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5068] setsid() = 1 [pid 5068] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5068] unshare(CLONE_NEWNS) = 0 [pid 5068] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5068] unshare(CLONE_NEWIPC) = 0 [pid 5068] unshare(CLONE_NEWCGROUP) = 0 [pid 5068] unshare(CLONE_NEWUTS) = 0 [pid 5068] unshare(CLONE_SYSVSEM) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "16777216", 8) = 8 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "536870912", 9) = 9 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1024", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "8192", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1024", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1024", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5068] close(3) = 0 [pid 5068] getpid() = 1 [pid 5068] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 8a fd ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 7a fb ff [ 50.294410][ T5068] RSP: 0018:ffffc90003c0f5b0 EFLAGS: 00010093 [ 50.300508][ T5068] RAX: ffffffff81bc9529 RBX: 0000000000000000 RCX: ffff88802ab80000 [ 50.308502][ T5068] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 50.316481][ T5068] RBP: ffff888012c33e78 R08: ffffffff81bc92ad R09: ffffed10025867d0 [ 50.324453][ T5068] R10: ffffed10025867d0 R11: 1ffff110025867cf R12: dffffc0000000000 [ 50.332421][ T5068] R13: ffffea0000841c00 R14: 0000000000000001 R15: 1ffff110025867cf [ 50.340391][ T5068] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 50.349318][ T5068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.355897][ T5068] CR2: 00007f0f3f66a140 CR3: 000000000d08e000 CR4: 00000000003506e0 [ 50.363870][ T5068] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.371842][ T5068] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.379896][ T5068] Call Trace: [ 50.383178][ T5068] [ 50.386106][ T5068] ? rcu_read_lock_sched_held+0x87/0x110 [ 50.391748][ T5068] __folio_mark_dirty+0x125/0x260 [ 50.396779][ T5068] mark_buffer_dirty+0x253/0x550 [ 50.401721][ T5068] gfs2_unpin+0x10b/0xa20 [ 50.406073][ T5068] buf_lo_after_commit+0x172/0x1d0 [ 50.411187][ T5068] ? buf_lo_before_commit+0xe0/0xe0 [ 50.416391][ T5068] gfs2_log_flush+0x1179/0x26a0 [ 50.421347][ T5068] ? gfs2_ail_drain+0xdb0/0xdb0 [ 50.426199][ T5068] ? up_read+0x20/0x20 [ 50.430268][ T5068] ? mutex_unlock+0x10/0x10 [ 50.434768][ T5068] ? _raw_spin_unlock+0x24/0x40 [ 50.439620][ T5068] ? lockref_put_or_lock+0x6f/0xb0 [ 50.444740][ T5068] gfs2_trans_end+0x392/0x560 [ 50.449436][ T5068] do_sync+0x966/0xc80 [ 50.453517][ T5068] ? slot_put+0x1f0/0x1f0 [ 50.457861][ T5068] ? do_raw_spin_lock+0x147/0x3a0 [ 50.462983][ T5068] ? __lock_acquire+0x1f60/0x1f60 [ 50.468019][ T5068] ? gfs2_quota_sync+0x3da/0x8b0 [ 50.472986][ T5068] ? do_raw_spin_unlock+0x134/0x8a0 [ 50.478206][ T5068] ? qd_check_sync+0xba/0x3f0 [ 50.482901][ T5068] gfs2_quota_sync+0x3da/0x8b0 [ 50.487694][ T5068] gfs2_sync_fs+0x49/0xb0 [ 50.492024][ T5068] sync_filesystem+0xe8/0x220 [ 50.496712][ T5068] generic_shutdown_super+0x6b/0x310 [ 50.502006][ T5068] kill_block_super+0x79/0xd0 [ 50.506680][ T5068] deactivate_locked_super+0xa7/0xf0 [ 50.511970][ T5068] cleanup_mnt+0x494/0x520 [ 50.516383][ T5068] ? lockdep_hardirqs_on+0x8d/0x130 [ 50.521584][ T5068] task_work_run+0x243/0x300 [ 50.526183][ T5068] ? task_work_cancel+0x290/0x290 [ 50.531213][ T5068] ? do_exit+0x63f/0x2150 [ 50.535563][ T5068] do_exit+0x644/0x2150 [ 50.539740][ T5068] ? mm_update_next_owner+0x6d0/0x6d0 [ 50.545119][ T5068] ? print_irqtrace_events+0x220/0x220 [ 50.550581][ T5068] ? _raw_spin_unlock_irq+0x1f/0x40 [ 50.555785][ T5068] ? lockdep_hardirqs_on+0x8d/0x130 [ 50.560985][ T5068] do_group_exit+0x1fd/0x2b0 [ 50.565577][ T5068] __x64_sys_exit_group+0x3b/0x40 [ 50.570613][ T5068] do_syscall_64+0x3d/0xb0 [ 50.575037][ T5068] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 50.580940][ T5068] RIP: 0033:0x7f0f3f5e4999 [ 50.585351][ T5068] Code: Unable to access opcode bytes at 0x7f0f3f5e496f. [ 50.592362][ T5068] RSP: 002b:00007fffdc7b2988 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 50.600866][ T5068] RAX: ffffffffffffffda RBX: 00007f0f3f66c330 RCX: 00007f0f3f5e4999 [ 50.608839][ T5068] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 50.616806][ T5068] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000012536 [ 50.624774][ T5068] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0f3f66c330 [ 50.632830][ T5068] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 50.640812][ T5068] [ 50.643846][ T5068] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 50.651119][ T5068] CPU: 1 PID: 5068 Comm: syz-executor419 Not tainted 6.2.0-rc1-syzkaller-00068-gbff687b3dad6 #0 [ 50.661522][ T5068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 50.671938][ T5068] Call Trace: [ 50.675230][ T5068] [ 50.678169][ T5068] dump_stack_lvl+0x1b1/0x290 [ 50.682865][ T5068] ? nf_tcp_handle_invalid+0x630/0x630 [ 50.688340][ T5068] ? panic+0x710/0x710 [ 50.692419][ T5068] ? vscnprintf+0x59/0x80 [ 50.696753][ T5068] ? folio_account_dirtied+0x4c0/0x6e0 [ 50.702217][ T5068] panic+0x2d6/0x710 [ 50.706201][ T5068] ? __warn+0x16d/0x2d0 [ 50.710359][ T5068] ? memcpy_page_flushcache+0x100/0x100 [ 50.715918][ T5068] ? folio_account_dirtied+0x4e9/0x6e0 [ 50.721384][ T5068] __warn+0x284/0x2d0 [ 50.725376][ T5068] ? folio_account_dirtied+0x4e9/0x6e0 [ 50.730846][ T5068] report_bug+0x1b3/0x2d0 [ 50.735196][ T5068] handle_bug+0x3d/0x70 [ 50.739528][ T5068] exc_invalid_op+0x16/0x40 [ 50.744036][ T5068] asm_exc_invalid_op+0x16/0x20 [ 50.748895][ T5068] RIP: 0010:folio_account_dirtied+0x4e9/0x6e0 [ 50.754970][ T5068] Code: 5d 41 5e 41 5f 5d c3 e8 65 46 cf ff 4c 89 ef 4c 89 e6 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 3c 64 2c 00 e8 47 46 cf ff <0f> 0b e9 8a fd ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 7a fb ff [ 50.774570][ T5068] RSP: 0018:ffffc90003c0f5b0 EFLAGS: 00010093 [ 50.780641][ T5068] RAX: ffffffff81bc9529 RBX: 0000000000000000 RCX: ffff88802ab80000 [ 50.790867][ T5068] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 50.798852][ T5068] RBP: ffff888012c33e78 R08: ffffffff81bc92ad R09: ffffed10025867d0 [ 50.806864][ T5068] R10: ffffed10025867d0 R11: 1ffff110025867cf R12: dffffc0000000000 [ 50.814837][ T5068] R13: ffffea0000841c00 R14: 0000000000000001 R15: 1ffff110025867cf [ 50.822819][ T5068] ? folio_account_dirtied+0x26d/0x6e0 [ 50.828291][ T5068] ? folio_account_dirtied+0x4e9/0x6e0 [ 50.833768][ T5068] ? rcu_read_lock_sched_held+0x87/0x110 [ 50.839411][ T5068] __folio_mark_dirty+0x125/0x260 [ 50.844452][ T5068] mark_buffer_dirty+0x253/0x550 [ 50.849403][ T5068] gfs2_unpin+0x10b/0xa20 [ 50.853745][ T5068] buf_lo_after_commit+0x172/0x1d0 [ 50.858892][ T5068] ? buf_lo_before_commit+0xe0/0xe0 [ 50.864129][ T5068] gfs2_log_flush+0x1179/0x26a0 [ 50.869017][ T5068] ? gfs2_ail_drain+0xdb0/0xdb0 [ 50.873878][ T5068] ? up_read+0x20/0x20 [ 50.877952][ T5068] ? mutex_unlock+0x10/0x10 [ 50.882460][ T5068] ? _raw_spin_unlock+0x24/0x40 [ 50.887336][ T5068] ? lockref_put_or_lock+0x6f/0xb0 [ 50.892479][ T5068] gfs2_trans_end+0x392/0x560 [ 50.897186][ T5068] do_sync+0x966/0xc80 [ 50.901278][ T5068] ? slot_put+0x1f0/0x1f0 [ 50.905618][ T5068] ? do_raw_spin_lock+0x147/0x3a0 [ 50.910650][ T5068] ? __lock_acquire+0x1f60/0x1f60 [ 50.915678][ T5068] ? gfs2_quota_sync+0x3da/0x8b0 [ 50.920620][ T5068] ? do_raw_spin_unlock+0x134/0x8a0 [ 50.925831][ T5068] ? qd_check_sync+0xba/0x3f0 [ 50.930518][ T5068] gfs2_quota_sync+0x3da/0x8b0 [ 50.935303][ T5068] gfs2_sync_fs+0x49/0xb0 [ 50.939637][ T5068] sync_filesystem+0xe8/0x220 [ 50.944320][ T5068] generic_shutdown_super+0x6b/0x310 [ 50.949661][ T5068] kill_block_super+0x79/0xd0 [ 50.954340][ T5068] deactivate_locked_super+0xa7/0xf0 [ 50.959641][ T5068] cleanup_mnt+0x494/0x520 [ 50.964060][ T5068] ? lockdep_hardirqs_on+0x8d/0x130 [ 50.969260][ T5068] task_work_run+0x243/0x300 [ 50.973871][ T5068] ? task_work_cancel+0x290/0x290 [ 50.978902][ T5068] ? do_exit+0x63f/0x2150 [ 50.983243][ T5068] do_exit+0x644/0x2150 [ 50.987417][ T5068] ? mm_update_next_owner+0x6d0/0x6d0 [ 50.992794][ T5068] ? print_irqtrace_events+0x220/0x220 [ 50.998257][ T5068] ? _raw_spin_unlock_irq+0x1f/0x40 [ 51.003456][ T5068] ? lockdep_hardirqs_on+0x8d/0x130 [ 51.008657][ T5068] do_group_exit+0x1fd/0x2b0 [ 51.013251][ T5068] __x64_sys_exit_group+0x3b/0x40 [ 51.018794][ T5068] do_syscall_64+0x3d/0xb0 [ 51.023214][ T5068] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 51.029109][ T5068] RIP: 0033:0x7f0f3f5e4999 [ 51.033522][ T5068] Code: Unable to access opcode bytes at 0x7f0f3f5e496f. [ 51.040535][ T5068] RSP: 002b:00007fffdc7b2988 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 51.048950][ T5068] RAX: ffffffffffffffda RBX: 00007f0f3f66c330 RCX: 00007f0f3f5e4999 [ 51.056920][ T5068] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 51.064891][ T5068] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000012536 [ 51.072861][ T5068] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0f3f66c330 [ 51.080831][ T5068] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 51.088820][ T5068] [ 51.092030][ T5068] Kernel Offset: disabled [ 51.096526][ T5068] Rebooting in 86400 seconds..