./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1010506556 <...> Warning: Permanently added '10.128.1.44' (ECDSA) to the list of known hosts. execve("./syz-executor1010506556", ["./syz-executor1010506556"], 0x7ffd482b9440 /* 10 vars */) = 0 brk(NULL) = 0x5555565ac000 brk(0x5555565acc40) = 0x5555565acc40 arch_prctl(ARCH_SET_FS, 0x5555565ac300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1010506556", 4096) = 28 brk(0x5555565cdc40) = 0x5555565cdc40 brk(0x5555565ce000) = 0x5555565ce000 mprotect(0x7f4a0510d000, 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 3605 attached , child_tidptr=0x5555565ac5d0) = 3605 [pid 3605] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3605] setsid() = 1 [pid 3605] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3605] unshare(CLONE_NEWNS) = 0 [pid 3605] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3605] unshare(CLONE_NEWIPC) = 0 [pid 3605] unshare(CLONE_NEWCGROUP) = 0 [pid 3605] unshare(CLONE_NEWUTS) = 0 [pid 3605] unshare(CLONE_SYSVSEM) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "16777216", 8) = 8 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "536870912", 9) = 9 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "8192", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3605] close(3) = 0 [pid 3605] getpid() = 1 [pid 3605] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 77 fd ff ff e8 c2 bf 8c ff 48 ff cb e9 91 fe ff ff e8 b5 [ 40.043547][ T3605] RSP: 0018:ffffc90003caefe8 EFLAGS: 00010293 [ 40.049761][ T3605] RAX: ffffffff81fb0f62 RBX: dffffc0000000001 RCX: ffff888021389d40 [ 40.057817][ T3605] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 40.065909][ T3605] RBP: ffffc90003caf100 R08: ffffffff81fb0cd3 R09: ffffed100e57e858 [ 40.073892][ T3605] R10: ffffed100e57e858 R11: 1ffff1100e57e857 R12: ffffc90003caf078 [ 40.082019][ T3605] R13: 1ffff92000795e08 R14: ffff888072bf42b8 R15: ffff888070ca8158 [ 40.090108][ T3605] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 40.099178][ T3605] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.105889][ T3605] CR2: 00007f4a051141d0 CR3: 0000000027abc000 CR4: 00000000003506f0 [ 40.113884][ T3605] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.122014][ T3605] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.130083][ T3605] Call Trace: [ 40.133360][ T3605] [ 40.136410][ T3605] nilfs_dat_mark_dirty+0xf0/0x1f0 [ 40.141633][ T3605] ? nilfs_dat_abort_update+0x70/0x70 [ 40.147151][ T3605] ? kmem_cache_alloc+0x85/0x300 [ 40.152106][ T3605] ? nilfs_btree_propagate+0x95/0xe10 [ 40.157714][ T3605] nilfs_btree_propagate+0xa9e/0xe10 [ 40.163101][ T3605] nilfs_bmap_propagate+0x6d/0x120 [ 40.168345][ T3605] nilfs_segctor_apply_buffers+0x192/0x380 [ 40.174150][ T3605] ? nilfs_collect_file_data+0xc0/0xc0 [ 40.179771][ T3605] nilfs_segctor_scan_file+0x8b5/0xaf0 [ 40.185290][ T3605] ? trace_nilfs2_collection_stage_transition+0x2b0/0x2b0 [ 40.192399][ T3605] ? trace_writeback_dirty_inode_enqueue+0xdb/0x2b0 [ 40.199038][ T3605] ? rcu_read_lock_sched_held+0x5d/0x110 [ 40.204668][ T3605] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 40.210677][ T3605] ? nilfs_segbuf_reset+0x142/0x320 [ 40.215910][ T3605] nilfs_segctor_do_construct+0x1d2c/0x6f80 [ 40.221817][ T3605] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 40.227866][ T3605] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 40.233849][ T3605] ? nilfs_bmap_test_and_clear_dirty+0x60/0xa0 [ 40.240021][ T3605] ? read_lock_is_recursive+0x10/0x10 [ 40.245410][ T3605] ? rcu_read_lock_sched_held+0x5d/0x110 [ 40.251025][ T3605] ? nilfs_transaction_unlock+0x210/0x210 [ 40.256759][ T3605] ? _raw_spin_lock_irqsave+0xbf/0x100 [ 40.262215][ T3605] ? __might_sleep+0xc0/0xc0 [ 40.266819][ T3605] ? rcu_read_lock_sched_held+0x5d/0x110 [ 40.272447][ T3605] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 40.278451][ T3605] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 40.284349][ T3605] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 40.289842][ T3605] ? trace_lock_release+0x95/0x220 [ 40.294952][ T3605] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 40.300426][ T3605] ? lock_release+0x81/0x820 [ 40.305012][ T3605] ? read_lock_is_recursive+0x10/0x10 [ 40.310415][ T3605] ? __up_read+0x690/0x690 [ 40.314829][ T3605] ? do_raw_spin_lock+0x148/0x360 [ 40.319865][ T3605] ? __lock_acquire+0x1f60/0x1f60 [ 40.324886][ T3605] ? do_raw_spin_unlock+0x134/0x8a0 [ 40.330101][ T3605] ? _raw_spin_unlock+0x24/0x40 [ 40.334952][ T3605] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 40.340421][ T3605] nilfs_segctor_construct+0x143/0x8d0 [ 40.345892][ T3605] ? trace_nilfs2_transaction_transition+0xec/0x2e0 [ 40.352460][ T3605] nilfs_detach_log_writer+0x537/0xbd0 [ 40.357927][ T3605] ? __might_sleep+0xc0/0xc0 [ 40.362518][ T3605] ? nilfs_attach_log_writer+0x8d0/0x8d0 [ 40.368186][ T3605] ? hook_sb_delete+0x988/0xab0 [ 40.373032][ T3605] ? hook_inode_free_security+0xa0/0xa0 [ 40.378614][ T3605] ? clear_inode+0x150/0x150 [ 40.383214][ T3605] ? nilfs_free_inode+0x70/0x70 [ 40.388108][ T3605] nilfs_put_super+0x4b/0x150 [ 40.392804][ T3605] ? nilfs_free_inode+0x70/0x70 [ 40.397688][ T3605] generic_shutdown_super+0x130/0x310 [ 40.403057][ T3605] kill_block_super+0x79/0xd0 [ 40.407780][ T3605] deactivate_locked_super+0xa7/0xf0 [ 40.413071][ T3605] cleanup_mnt+0x494/0x520 [ 40.417534][ T3605] task_work_run+0x243/0x300 [ 40.422117][ T3605] ? task_work_cancel+0x290/0x290 [ 40.427154][ T3605] ? do_exit+0x65f/0x2070 [ 40.431477][ T3605] do_exit+0x664/0x2070 [ 40.435641][ T3605] ? __lock_acquire+0x1f60/0x1f60 [ 40.440663][ T3605] ? ptrace_notify+0x245/0x340 [ 40.445434][ T3605] ? mm_update_next_owner+0x6d0/0x6d0 [ 40.450803][ T3605] ? print_irqtrace_events+0x220/0x220 [ 40.456278][ T3605] do_group_exit+0x1fd/0x2b0 [ 40.460864][ T3605] __x64_sys_exit_group+0x3b/0x40 [ 40.465897][ T3605] do_syscall_64+0x3d/0xb0 [ 40.470309][ T3605] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 40.476218][ T3605] RIP: 0033:0x7f4a0509bbb9 [ 40.480626][ T3605] Code: Unable to access opcode bytes at 0x7f4a0509bb8f. [ 40.487658][ T3605] RSP: 002b:00007fffa7584b08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 40.496080][ T3605] RAX: ffffffffffffffda RBX: 00007f4a05113330 RCX: 00007f4a0509bbb9 [ 40.504033][ T3605] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 40.512100][ T3605] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f4a0510de40 [ 40.520082][ T3605] R10: 00005555565ac2c0 R11: 0000000000000246 R12: 00007f4a05113330 [ 40.528066][ T3605] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 40.536083][ T3605] [ 40.539096][ T3605] Kernel panic - not syncing: panic_on_warn set ... [ 40.545660][ T3605] CPU: 0 PID: 3605 Comm: syz-executor101 Not tainted 6.1.0-rc1-syzkaller-00093-g6d36c728bc2e #0 [ 40.556057][ T3605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 40.566103][ T3605] Call Trace: [ 40.569543][ T3605] [ 40.572469][ T3605] dump_stack_lvl+0x1b1/0x28e [ 40.577138][ T3605] ? nf_tcp_handle_invalid+0x62e/0x62e [ 40.582586][ T3605] ? panic+0x710/0x710 [ 40.586648][ T3605] ? vscnprintf+0x59/0x80 [ 40.590991][ T3605] ? mark_buffer_dirty+0x260/0x550 [ 40.596108][ T3605] panic+0x2d6/0x710 [ 40.600006][ T3605] ? __warn+0x131/0x220 [ 40.604159][ T3605] ? memcpy_page_flushcache+0xfc/0xfc [ 40.609535][ T3605] ? mark_buffer_dirty+0x2c2/0x550 [ 40.614654][ T3605] __warn+0x1fa/0x220 [ 40.618634][ T3605] ? mark_buffer_dirty+0x2c2/0x550 [ 40.623745][ T3605] report_bug+0x1b3/0x2d0 [ 40.628070][ T3605] handle_bug+0x3d/0x70 [ 40.632217][ T3605] exc_invalid_op+0x16/0x40 [ 40.636709][ T3605] asm_exc_invalid_op+0x16/0x20 [ 40.641569][ T3605] RIP: 0010:mark_buffer_dirty+0x2c2/0x550 [ 40.647290][ T3605] Code: 5d 41 5e 41 5f 5d c3 e8 ec bf 8c ff eb 05 e8 e5 bf 8c ff 4c 89 f7 5b 41 5c 41 5d 41 5e 41 5f 5d e9 33 7a e7 ff e8 ce bf 8c ff <0f> 0b e9 77 fd ff ff e8 c2 bf 8c ff 48 ff cb e9 91 fe ff ff e8 b5 [ 40.666896][ T3605] RSP: 0018:ffffc90003caefe8 EFLAGS: 00010293 [ 40.672959][ T3605] RAX: ffffffff81fb0f62 RBX: dffffc0000000001 RCX: ffff888021389d40 [ 40.680924][ T3605] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 40.688884][ T3605] RBP: ffffc90003caf100 R08: ffffffff81fb0cd3 R09: ffffed100e57e858 [ 40.696852][ T3605] R10: ffffed100e57e858 R11: 1ffff1100e57e857 R12: ffffc90003caf078 [ 40.704815][ T3605] R13: 1ffff92000795e08 R14: ffff888072bf42b8 R15: ffff888070ca8158 [ 40.712783][ T3605] ? mark_buffer_dirty+0x33/0x550 [ 40.717823][ T3605] ? mark_buffer_dirty+0x2c2/0x550 [ 40.722951][ T3605] ? mark_buffer_dirty+0x2c2/0x550 [ 40.728076][ T3605] nilfs_dat_mark_dirty+0xf0/0x1f0 [ 40.733192][ T3605] ? nilfs_dat_abort_update+0x70/0x70 [ 40.738562][ T3605] ? kmem_cache_alloc+0x85/0x300 [ 40.743493][ T3605] ? nilfs_btree_propagate+0x95/0xe10 [ 40.748862][ T3605] nilfs_btree_propagate+0xa9e/0xe10 [ 40.754142][ T3605] nilfs_bmap_propagate+0x6d/0x120 [ 40.759245][ T3605] nilfs_segctor_apply_buffers+0x192/0x380 [ 40.765053][ T3605] ? nilfs_collect_file_data+0xc0/0xc0 [ 40.770517][ T3605] nilfs_segctor_scan_file+0x8b5/0xaf0 [ 40.775985][ T3605] ? trace_nilfs2_collection_stage_transition+0x2b0/0x2b0 [ 40.783096][ T3605] ? trace_writeback_dirty_inode_enqueue+0xdb/0x2b0 [ 40.789692][ T3605] ? rcu_read_lock_sched_held+0x5d/0x110 [ 40.795320][ T3605] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 40.801291][ T3605] ? nilfs_segbuf_reset+0x142/0x320 [ 40.806488][ T3605] nilfs_segctor_do_construct+0x1d2c/0x6f80 [ 40.812377][ T3605] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 40.818366][ T3605] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 40.824348][ T3605] ? nilfs_bmap_test_and_clear_dirty+0x60/0xa0 [ 40.830503][ T3605] ? read_lock_is_recursive+0x10/0x10 [ 40.835881][ T3605] ? rcu_read_lock_sched_held+0x5d/0x110 [ 40.841523][ T3605] ? nilfs_transaction_unlock+0x210/0x210 [ 40.847242][ T3605] ? _raw_spin_lock_irqsave+0xbf/0x100 [ 40.852700][ T3605] ? __might_sleep+0xc0/0xc0 [ 40.857284][ T3605] ? rcu_read_lock_sched_held+0x5d/0x110 [ 40.862912][ T3605] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 40.868976][ T3605] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 40.874865][ T3605] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 40.880314][ T3605] ? trace_lock_release+0x95/0x220 [ 40.885415][ T3605] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 40.890862][ T3605] ? lock_release+0x81/0x820 [ 40.895442][ T3605] ? read_lock_is_recursive+0x10/0x10 [ 40.900801][ T3605] ? __up_read+0x690/0x690 [ 40.905205][ T3605] ? do_raw_spin_lock+0x148/0x360 [ 40.910221][ T3605] ? __lock_acquire+0x1f60/0x1f60 [ 40.915235][ T3605] ? do_raw_spin_unlock+0x134/0x8a0 [ 40.920428][ T3605] ? _raw_spin_unlock+0x24/0x40 [ 40.925280][ T3605] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 40.930756][ T3605] nilfs_segctor_construct+0x143/0x8d0 [ 40.936221][ T3605] ? trace_nilfs2_transaction_transition+0xec/0x2e0 [ 40.942801][ T3605] nilfs_detach_log_writer+0x537/0xbd0 [ 40.948248][ T3605] ? __might_sleep+0xc0/0xc0 [ 40.952842][ T3605] ? nilfs_attach_log_writer+0x8d0/0x8d0 [ 40.958466][ T3605] ? hook_sb_delete+0x988/0xab0 [ 40.963309][ T3605] ? hook_inode_free_security+0xa0/0xa0 [ 40.968845][ T3605] ? clear_inode+0x150/0x150 [ 40.973427][ T3605] ? nilfs_free_inode+0x70/0x70 [ 40.978265][ T3605] nilfs_put_super+0x4b/0x150 [ 40.982931][ T3605] ? nilfs_free_inode+0x70/0x70 [ 40.987774][ T3605] generic_shutdown_super+0x130/0x310 [ 40.993134][ T3605] kill_block_super+0x79/0xd0 [ 40.997800][ T3605] deactivate_locked_super+0xa7/0xf0 [ 41.003071][ T3605] cleanup_mnt+0x494/0x520 [ 41.007481][ T3605] task_work_run+0x243/0x300 [ 41.012062][ T3605] ? task_work_cancel+0x290/0x290 [ 41.017075][ T3605] ? do_exit+0x65f/0x2070 [ 41.021391][ T3605] do_exit+0x664/0x2070 [ 41.025533][ T3605] ? __lock_acquire+0x1f60/0x1f60 [ 41.030545][ T3605] ? ptrace_notify+0x245/0x340 [ 41.035317][ T3605] ? mm_update_next_owner+0x6d0/0x6d0 [ 41.040784][ T3605] ? print_irqtrace_events+0x220/0x220 [ 41.046246][ T3605] do_group_exit+0x1fd/0x2b0 [ 41.050833][ T3605] __x64_sys_exit_group+0x3b/0x40 [ 41.055852][ T3605] do_syscall_64+0x3d/0xb0 [ 41.060266][ T3605] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 41.066153][ T3605] RIP: 0033:0x7f4a0509bbb9 [ 41.070556][ T3605] Code: Unable to access opcode bytes at 0x7f4a0509bb8f. [ 41.077556][ T3605] RSP: 002b:00007fffa7584b08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 41.085954][ T3605] RAX: ffffffffffffffda RBX: 00007f4a05113330 RCX: 00007f4a0509bbb9 [ 41.093913][ T3605] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 41.101873][ T3605] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f4a0510de40 [ 41.109830][ T3605] R10: 00005555565ac2c0 R11: 0000000000000246 R12: 00007f4a05113330 [ 41.117788][ T3605] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 41.125751][ T3605] [ 41.128937][ T3605] Kernel Offset: disabled [ 41.133248][ T3605] Rebooting in 86400 seconds..