./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2845252511 <...> Warning: Permanently added '10.128.0.217' (ECDSA) to the list of known hosts. execve("./syz-executor2845252511", ["./syz-executor2845252511"], 0x7ffefbbbbad0 /* 10 vars */) = 0 brk(NULL) = 0x555556d5e000 brk(0x555556d5ec40) = 0x555556d5ec40 arch_prctl(ARCH_SET_FS, 0x555556d5e300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2845252511", 4096) = 28 brk(0x555556d7fc40) = 0x555556d7fc40 brk(0x555556d80000) = 0x555556d80000 mprotect(0x7f995e5ec000, 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, child_tidptr=0x555556d5e5d0) = 3610 ./strace-static-x86_64: Process 3610 attached [pid 3610] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3610] setsid() = 1 [pid 3610] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3610] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3610] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3610] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3610] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3610] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3610] unshare(CLONE_NEWNS) = 0 [pid 3610] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3610] unshare(CLONE_NEWIPC) = 0 [pid 3610] unshare(CLONE_NEWCGROUP) = 0 [pid 3610] unshare(CLONE_NEWUTS) = 0 [pid 3610] unshare(CLONE_SYSVSEM) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "16777216", 8) = 8 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "536870912", 9) = 9 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "1024", 4) = 4 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "8192", 4) = 4 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "1024", 4) = 4 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "1024", 4) = 4 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3610] close(3) = 0 [pid 3610] getpid() = 1 [pid 3610] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 77 fd ff ff e8 f2 b4 8c ff 48 ff cb e9 91 fe ff ff e8 e5 [ 40.923369][ T3610] RSP: 0018:ffffc90003d0efe8 EFLAGS: 00010293 [ 40.929498][ T3610] RAX: ffffffff81fb1a32 RBX: dffffc0000000001 RCX: ffff8880224f57c0 [ 40.937526][ T3610] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 40.945520][ T3610] RBP: ffffc90003d0f100 R08: ffffffff81fb17a3 R09: ffffed100e205a1e [ 40.953497][ T3610] R10: ffffed100e205a1e R11: 1ffff1100e205a1d R12: ffffc90003d0f078 [ 40.961518][ T3610] R13: 1ffff920007a1e08 R14: ffff88807102d0e8 R15: ffff888073788158 [ 40.969549][ T3610] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 40.978554][ T3610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.985170][ T3610] CR2: 00007f5e06cf76a8 CR3: 0000000070f93000 CR4: 00000000003506f0 [ 40.993130][ T3610] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.001221][ T3610] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.009239][ T3610] Call Trace: [ 41.012510][ T3610] [ 41.015493][ T3610] nilfs_dat_mark_dirty+0xf0/0x1f0 [ 41.020615][ T3610] ? nilfs_dat_abort_update+0x70/0x70 [ 41.026037][ T3610] ? kmem_cache_alloc+0x85/0x300 [ 41.030987][ T3610] ? nilfs_btree_propagate+0x95/0xe10 [ 41.036597][ T3610] nilfs_btree_propagate+0xa9e/0xe10 [ 41.041910][ T3610] nilfs_bmap_propagate+0x6d/0x120 [ 41.047358][ T3610] nilfs_segctor_apply_buffers+0x192/0x380 [ 41.053191][ T3610] ? nilfs_collect_file_data+0xc0/0xc0 [ 41.058803][ T3610] nilfs_segctor_scan_file+0x8b5/0xaf0 [ 41.064355][ T3610] ? trace_nilfs2_collection_stage_transition+0x2b0/0x2b0 [ 41.071483][ T3610] ? trace_writeback_dirty_inode_enqueue+0xdb/0x2b0 [ 41.078287][ T3610] ? rcu_read_lock_sched_held+0x5d/0x110 [ 41.083945][ T3610] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 41.090203][ T3610] ? nilfs_segbuf_reset+0x142/0x320 [ 41.095707][ T3610] nilfs_segctor_do_construct+0x1d2c/0x6f80 [ 41.101638][ T3610] ? kasan_save_stack+0x2b/0x50 [ 41.106621][ T3610] ? __kasan_record_aux_stack+0xb0/0xc0 [ 41.112188][ T3610] ? call_rcu+0x163/0x9c0 [ 41.116611][ T3610] ? do_syscall_64+0x3d/0xb0 [ 41.121211][ T3610] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 41.127264][ T3610] ? nilfs_bmap_test_and_clear_dirty+0x60/0xa0 [ 41.133444][ T3610] ? read_lock_is_recursive+0x10/0x10 [ 41.139073][ T3610] ? rcu_read_lock_sched_held+0x5d/0x110 [ 41.144856][ T3610] ? nilfs_transaction_unlock+0x210/0x210 [ 41.150787][ T3610] ? _raw_spin_lock_irqsave+0xbf/0x100 [ 41.156385][ T3610] ? __might_sleep+0xc0/0xc0 [ 41.160993][ T3610] ? rcu_read_lock_sched_held+0x5d/0x110 [ 41.166702][ T3610] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 41.172689][ T3610] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 41.178787][ T3610] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 41.184624][ T3610] ? trace_lock_release+0x95/0x220 [ 41.189772][ T3610] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 41.195290][ T3610] ? lock_release+0x81/0x820 [ 41.199889][ T3610] ? read_lock_is_recursive+0x10/0x10 [ 41.205300][ T3610] ? __up_read+0x690/0x690 [ 41.209717][ T3610] ? do_raw_spin_lock+0x148/0x360 [ 41.214793][ T3610] ? __lock_acquire+0x1f60/0x1f60 [ 41.219837][ T3610] ? do_raw_spin_unlock+0x134/0x8a0 [ 41.225098][ T3610] ? _raw_spin_unlock+0x24/0x40 [ 41.229953][ T3610] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 41.235440][ T3610] nilfs_segctor_construct+0x143/0x8d0 [ 41.240897][ T3610] ? trace_nilfs2_transaction_transition+0xec/0x2e0 [ 41.247521][ T3610] nilfs_detach_log_writer+0x537/0xbd0 [ 41.252998][ T3610] ? __might_sleep+0xc0/0xc0 [ 41.257663][ T3610] ? nilfs_attach_log_writer+0x8d0/0x8d0 [ 41.263344][ T3610] ? hook_sb_delete+0x988/0xab0 [ 41.268264][ T3610] ? hook_inode_free_security+0xa0/0xa0 [ 41.273825][ T3610] ? clear_inode+0x150/0x150 [ 41.278464][ T3610] ? nilfs_free_inode+0x70/0x70 [ 41.283311][ T3610] nilfs_put_super+0x4b/0x150 [ 41.288008][ T3610] ? nilfs_free_inode+0x70/0x70 [ 41.292881][ T3610] generic_shutdown_super+0x130/0x310 [ 41.298341][ T3610] kill_block_super+0x79/0xd0 [ 41.303147][ T3610] deactivate_locked_super+0xa7/0xf0 [ 41.308501][ T3610] cleanup_mnt+0x494/0x520 [ 41.312935][ T3610] task_work_run+0x243/0x300 [ 41.317585][ T3610] ? task_work_cancel+0x290/0x290 [ 41.322630][ T3610] ? do_exit+0x65f/0x2070 [ 41.327016][ T3610] do_exit+0x664/0x2070 [ 41.331198][ T3610] ? __lock_acquire+0x1f60/0x1f60 [ 41.336290][ T3610] ? ptrace_notify+0x245/0x340 [ 41.341061][ T3610] ? mm_update_next_owner+0x6d0/0x6d0 [ 41.346458][ T3610] ? print_irqtrace_events+0x220/0x220 [ 41.351923][ T3610] do_group_exit+0x1fd/0x2b0 [ 41.356537][ T3610] __x64_sys_exit_group+0x3b/0x40 [ 41.361559][ T3610] do_syscall_64+0x3d/0xb0 [ 41.365999][ T3610] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 41.371899][ T3610] RIP: 0033:0x7f995e57ab79 [ 41.376345][ T3610] Code: Unable to access opcode bytes at 0x7f995e57ab4f. [ 41.383356][ T3610] RSP: 002b:00007ffc2f1b6778 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 41.391827][ T3610] RAX: ffffffffffffffda RBX: 00007f995e5f2330 RCX: 00007f995e57ab79 [ 41.399831][ T3610] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 41.407823][ T3610] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f995e5ece40 [ 41.415821][ T3610] R10: 0000555556d5e2c0 R11: 0000000000000246 R12: 00007f995e5f2330 [ 41.423777][ T3610] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 41.431774][ T3610] [ 41.434842][ T3610] Kernel panic - not syncing: panic_on_warn set ... [ 41.441416][ T3610] CPU: 1 PID: 3610 Comm: syz-executor284 Not tainted 6.1.0-rc1-syzkaller-00427-gd47136c28015 #0 [ 41.451803][ T3610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 41.461838][ T3610] Call Trace: [ 41.465102][ T3610] [ 41.468015][ T3610] dump_stack_lvl+0x1b1/0x28e [ 41.472682][ T3610] ? nf_tcp_handle_invalid+0x62e/0x62e [ 41.478122][ T3610] ? panic+0x710/0x710 [ 41.482200][ T3610] ? vscnprintf+0x59/0x80 [ 41.486509][ T3610] ? mark_buffer_dirty+0x290/0x550 [ 41.491608][ T3610] panic+0x2d6/0x710 [ 41.495492][ T3610] ? __warn+0x131/0x220 [ 41.499631][ T3610] ? memcpy_page_flushcache+0xfc/0xfc [ 41.504989][ T3610] ? mark_buffer_dirty+0x2c2/0x550 [ 41.510085][ T3610] __warn+0x1fa/0x220 [ 41.514057][ T3610] ? mark_buffer_dirty+0x2c2/0x550 [ 41.519157][ T3610] report_bug+0x1b3/0x2d0 [ 41.523469][ T3610] handle_bug+0x3d/0x70 [ 41.527606][ T3610] exc_invalid_op+0x16/0x40 [ 41.532092][ T3610] asm_exc_invalid_op+0x16/0x20 [ 41.536947][ T3610] RIP: 0010:mark_buffer_dirty+0x2c2/0x550 [ 41.542657][ T3610] Code: 5d 41 5e 41 5f 5d c3 e8 1c b5 8c ff eb 05 e8 15 b5 8c ff 4c 89 f7 5b 41 5c 41 5d 41 5e 41 5f 5d e9 03 7a e7 ff e8 fe b4 8c ff <0f> 0b e9 77 fd ff ff e8 f2 b4 8c ff 48 ff cb e9 91 fe ff ff e8 e5 [ 41.562256][ T3610] RSP: 0018:ffffc90003d0efe8 EFLAGS: 00010293 [ 41.568305][ T3610] RAX: ffffffff81fb1a32 RBX: dffffc0000000001 RCX: ffff8880224f57c0 [ 41.576267][ T3610] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 41.584229][ T3610] RBP: ffffc90003d0f100 R08: ffffffff81fb17a3 R09: ffffed100e205a1e [ 41.592194][ T3610] R10: ffffed100e205a1e R11: 1ffff1100e205a1d R12: ffffc90003d0f078 [ 41.600153][ T3610] R13: 1ffff920007a1e08 R14: ffff88807102d0e8 R15: ffff888073788158 [ 41.608115][ T3610] ? mark_buffer_dirty+0x33/0x550 [ 41.613134][ T3610] ? mark_buffer_dirty+0x2c2/0x550 [ 41.618238][ T3610] ? mark_buffer_dirty+0x2c2/0x550 [ 41.623343][ T3610] nilfs_dat_mark_dirty+0xf0/0x1f0 [ 41.628438][ T3610] ? nilfs_dat_abort_update+0x70/0x70 [ 41.633797][ T3610] ? kmem_cache_alloc+0x85/0x300 [ 41.638719][ T3610] ? nilfs_btree_propagate+0x95/0xe10 [ 41.644077][ T3610] nilfs_btree_propagate+0xa9e/0xe10 [ 41.649349][ T3610] nilfs_bmap_propagate+0x6d/0x120 [ 41.654448][ T3610] nilfs_segctor_apply_buffers+0x192/0x380 [ 41.660237][ T3610] ? nilfs_collect_file_data+0xc0/0xc0 [ 41.665680][ T3610] nilfs_segctor_scan_file+0x8b5/0xaf0 [ 41.671123][ T3610] ? trace_nilfs2_collection_stage_transition+0x2b0/0x2b0 [ 41.678222][ T3610] ? trace_writeback_dirty_inode_enqueue+0xdb/0x2b0 [ 41.684818][ T3610] ? rcu_read_lock_sched_held+0x5d/0x110 [ 41.690435][ T3610] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 41.696400][ T3610] ? nilfs_segbuf_reset+0x142/0x320 [ 41.701588][ T3610] nilfs_segctor_do_construct+0x1d2c/0x6f80 [ 41.708333][ T3610] ? kasan_save_stack+0x2b/0x50 [ 41.713166][ T3610] ? __kasan_record_aux_stack+0xb0/0xc0 [ 41.718694][ T3610] ? call_rcu+0x163/0x9c0 [ 41.723007][ T3610] ? do_syscall_64+0x3d/0xb0 [ 41.727769][ T3610] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 41.733735][ T3610] ? nilfs_bmap_test_and_clear_dirty+0x60/0xa0 [ 41.740661][ T3610] ? read_lock_is_recursive+0x10/0x10 [ 41.746017][ T3610] ? rcu_read_lock_sched_held+0x5d/0x110 [ 41.751721][ T3610] ? nilfs_transaction_unlock+0x210/0x210 [ 41.757424][ T3610] ? _raw_spin_lock_irqsave+0xbf/0x100 [ 41.762876][ T3610] ? __might_sleep+0xc0/0xc0 [ 41.767448][ T3610] ? rcu_read_lock_sched_held+0x5d/0x110 [ 41.773065][ T3610] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 41.779032][ T3610] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 41.784911][ T3610] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 41.790351][ T3610] ? trace_lock_release+0x95/0x220 [ 41.795445][ T3610] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 41.800885][ T3610] ? lock_release+0x81/0x820 [ 41.805459][ T3610] ? read_lock_is_recursive+0x10/0x10 [ 41.810814][ T3610] ? __up_read+0x690/0x690 [ 41.815222][ T3610] ? do_raw_spin_lock+0x148/0x360 [ 41.820231][ T3610] ? __lock_acquire+0x1f60/0x1f60 [ 41.825238][ T3610] ? do_raw_spin_unlock+0x134/0x8a0 [ 41.830423][ T3610] ? _raw_spin_unlock+0x24/0x40 [ 41.835258][ T3610] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 41.840705][ T3610] nilfs_segctor_construct+0x143/0x8d0 [ 41.846148][ T3610] ? trace_nilfs2_transaction_transition+0xec/0x2e0 [ 41.852720][ T3610] nilfs_detach_log_writer+0x537/0xbd0 [ 41.858170][ T3610] ? __might_sleep+0xc0/0xc0 [ 41.862771][ T3610] ? nilfs_attach_log_writer+0x8d0/0x8d0 [ 41.868386][ T3610] ? hook_sb_delete+0x988/0xab0 [ 41.873220][ T3610] ? hook_inode_free_security+0xa0/0xa0 [ 41.878749][ T3610] ? clear_inode+0x150/0x150 [ 41.883322][ T3610] ? nilfs_free_inode+0x70/0x70 [ 41.888159][ T3610] nilfs_put_super+0x4b/0x150 [ 41.892931][ T3610] ? nilfs_free_inode+0x70/0x70 [ 41.897761][ T3610] generic_shutdown_super+0x130/0x310 [ 41.903122][ T3610] kill_block_super+0x79/0xd0 [ 41.907805][ T3610] deactivate_locked_super+0xa7/0xf0 [ 41.913073][ T3610] cleanup_mnt+0x494/0x520 [ 41.917483][ T3610] task_work_run+0x243/0x300 [ 41.922056][ T3610] ? task_work_cancel+0x290/0x290 [ 41.927063][ T3610] ? do_exit+0x65f/0x2070 [ 41.931386][ T3610] do_exit+0x664/0x2070 [ 41.935523][ T3610] ? __lock_acquire+0x1f60/0x1f60 [ 41.940529][ T3610] ? ptrace_notify+0x245/0x340 [ 41.945276][ T3610] ? mm_update_next_owner+0x6d0/0x6d0 [ 41.950629][ T3610] ? print_irqtrace_events+0x220/0x220 [ 41.956077][ T3610] do_group_exit+0x1fd/0x2b0 [ 41.960650][ T3610] __x64_sys_exit_group+0x3b/0x40 [ 41.965657][ T3610] do_syscall_64+0x3d/0xb0 [ 41.970056][ T3610] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 41.975932][ T3610] RIP: 0033:0x7f995e57ab79 [ 41.980330][ T3610] Code: Unable to access opcode bytes at 0x7f995e57ab4f. [ 41.987325][ T3610] RSP: 002b:00007ffc2f1b6778 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 41.995720][ T3610] RAX: ffffffffffffffda RBX: 00007f995e5f2330 RCX: 00007f995e57ab79 [ 42.003677][ T3610] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 42.011741][ T3610] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f995e5ece40 [ 42.019785][ T3610] R10: 0000555556d5e2c0 R11: 0000000000000246 R12: 00007f995e5f2330 [ 42.027740][ T3610] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 42.035697][ T3610] [ 42.038875][ T3610] Kernel Offset: disabled [ 42.043207][ T3610] Rebooting in 86400 seconds..