./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4084567151 <...> Warning: Permanently added '10.128.0.90' (ECDSA) to the list of known hosts. execve("./syz-executor4084567151", ["./syz-executor4084567151"], 0x7ffe0f4822d0 /* 10 vars */) = 0 brk(NULL) = 0x555555679000 brk(0x555555679c40) = 0x555555679c40 arch_prctl(ARCH_SET_FS, 0x555555679300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor4084567151", 4096) = 28 brk(0x55555569ac40) = 0x55555569ac40 brk(0x55555569b000) = 0x55555569b000 mprotect(0x7f0caf7f6000, 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 3608 attached , child_tidptr=0x5555556795d0) = 3608 [pid 3608] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3608] setsid() = 1 [pid 3608] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3608] unshare(CLONE_NEWNS) = 0 [pid 3608] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3608] unshare(CLONE_NEWIPC) = 0 [pid 3608] unshare(CLONE_NEWCGROUP) = 0 [pid 3608] unshare(CLONE_NEWUTS) = 0 [pid 3608] unshare(CLONE_SYSVSEM) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "16777216", 8) = 8 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "536870912", 9) = 9 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "8192", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3608] close(3) = 0 [pid 3608] getpid() = 1 [pid 3608] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 75 fc ff ff e8 d9 39 40 fe e8 d4 36 b9 fd 43 80 7c 25 00 [ 40.728513][ T3608] RSP: 0018:ffffc900038af048 EFLAGS: 00010293 [ 40.734584][ T3608] RAX: ffffffff83474f9b RBX: ffff888146d241a0 RCX: ffff88801e295880 [ 40.742597][ T3608] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 00000026ae000002 [ 40.750619][ T3608] RBP: 0000000000000003 R08: ffffffff83474c09 R09: ffffed100f2db59b [ 40.758632][ T3608] R10: ffffed100f2db59b R11: 1ffff1100f2db59a R12: ffff888026aeca80 [ 40.766622][ T3608] R13: ffffc900038af158 R14: ffff888074c60180 R15: 00000026ae000002 [ 40.774665][ T3608] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 40.783635][ T3608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.790270][ T3608] CR2: 00007f0caf7fd1d0 CR3: 00000000272de000 CR4: 00000000003506f0 [ 40.798279][ T3608] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.806238][ T3608] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.814270][ T3608] Call Trace: [ 40.817550][ T3608] [ 40.820572][ T3608] nilfs_dat_commit_update+0x25/0x40 [ 40.825880][ T3608] nilfs_direct_propagate+0x215/0x390 [ 40.831376][ T3608] ? nilfs_direct_delete+0x300/0x300 [ 40.836681][ T3608] ? down_write+0x10d/0x170 [ 40.841267][ T3608] nilfs_bmap_propagate+0x6d/0x120 [ 40.846392][ T3608] nilfs_collect_file_data+0x49/0xc0 [ 40.851744][ T3608] nilfs_segctor_apply_buffers+0x192/0x380 [ 40.857587][ T3608] ? _compound_head+0x130/0x130 [ 40.862493][ T3608] nilfs_segctor_scan_file+0x842/0xaf0 [ 40.868161][ T3608] ? write_boundary_block+0x150/0x150 [ 40.873539][ T3608] ? do_raw_spin_unlock+0x134/0x8a0 [ 40.878781][ T3608] ? trace_nilfs2_collection_stage_transition+0x220/0x220 [ 40.885917][ T3608] ? rcu_read_lock_sched_held+0x87/0x110 [ 40.891635][ T3608] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 40.897674][ T3608] ? nilfs_segbuf_reset+0x142/0x320 [ 40.902884][ T3608] nilfs_segctor_do_construct+0x1ddc/0x6fe0 [ 40.908890][ T3608] ? nilfs_transaction_unlock+0x210/0x210 [ 40.914623][ T3608] ? rcu_read_lock_sched_held+0x87/0x110 [ 40.920299][ T3608] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 40.926295][ T3608] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 40.931835][ T3608] ? __up_read+0x690/0x690 [ 40.936264][ T3608] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 40.941773][ T3608] ? do_raw_spin_lock+0x148/0x360 [ 40.946806][ T3608] ? __lock_acquire+0x1f60/0x1f60 [ 40.951953][ T3608] ? do_raw_spin_unlock+0x134/0x8a0 [ 40.957181][ T3608] ? _raw_spin_unlock+0x24/0x40 [ 40.962292][ T3608] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 40.967839][ T3608] nilfs_segctor_construct+0x143/0x8d0 [ 40.973319][ T3608] ? trace_nilfs2_transaction_transition+0xc9/0x240 [ 40.979951][ T3608] nilfs_detach_log_writer+0x537/0xbd0 [ 40.985420][ T3608] ? __might_sleep+0xc0/0xc0 [ 40.990185][ T3608] ? nilfs_attach_log_writer+0x8f0/0x8f0 [ 40.995831][ T3608] ? hook_sb_delete+0x988/0xab0 [ 41.000736][ T3608] ? hook_inode_free_security+0xa0/0xa0 [ 41.006293][ T3608] ? clear_inode+0x150/0x150 [ 41.010956][ T3608] ? nilfs_free_inode+0x70/0x70 [ 41.015894][ T3608] nilfs_put_super+0x4b/0x150 [ 41.020733][ T3608] ? nilfs_free_inode+0x70/0x70 [ 41.025601][ T3608] generic_shutdown_super+0x128/0x300 [ 41.031176][ T3608] kill_block_super+0x79/0xd0 [ 41.035877][ T3608] deactivate_locked_super+0xa7/0xf0 [ 41.041274][ T3608] cleanup_mnt+0x4ce/0x560 [ 41.045708][ T3608] ? _raw_spin_unlock_irq+0x1f/0x40 [ 41.050985][ T3608] task_work_run+0x146/0x1c0 [ 41.055592][ T3608] do_exit+0x55e/0x20a0 [ 41.059791][ T3608] ? _raw_spin_unlock_irq+0x1f/0x40 [ 41.065003][ T3608] ? lockdep_hardirqs_on+0x8d/0x130 [ 41.070273][ T3608] ? _raw_spin_unlock_irq+0x2a/0x40 [ 41.075477][ T3608] ? ptrace_notify+0x245/0x340 [ 41.080285][ T3608] ? mm_update_next_owner+0x6d0/0x6d0 [ 41.085667][ T3608] ? do_notify_parent+0xe00/0xe00 [ 41.090780][ T3608] do_group_exit+0x23b/0x2f0 [ 41.095394][ T3608] __x64_sys_exit_group+0x3b/0x40 [ 41.100488][ T3608] do_syscall_64+0x3d/0xb0 [ 41.104967][ T3608] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 41.110964][ T3608] RIP: 0033:0x7f0caf784b49 [ 41.115397][ T3608] Code: Unable to access opcode bytes at RIP 0x7f0caf784b1f. [ 41.122930][ T3608] RSP: 002b:00007ffe93dbbc28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 41.131452][ T3608] RAX: ffffffffffffffda RBX: 00007f0caf7fc330 RCX: 00007f0caf784b49 [ 41.139462][ T3608] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 41.147449][ T3608] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f0caf7f6e40 [ 41.155498][ T3608] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0caf7fc330 [ 41.163593][ T3608] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 41.171658][ T3608] [ 41.174683][ T3608] Kernel panic - not syncing: panic_on_warn set ... [ 41.181251][ T3608] CPU: 0 PID: 3608 Comm: syz-executor408 Not tainted 6.0.0-syzkaller #0 [ 41.189561][ T3608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 41.199604][ T3608] Call Trace: [ 41.202877][ T3608] [ 41.205881][ T3608] dump_stack_lvl+0x1b1/0x28e [ 41.210549][ T3608] ? fortify_panic+0x13/0x13 [ 41.215126][ T3608] ? panic+0x715/0x715 [ 41.219184][ T3608] ? vscnprintf+0x59/0x80 [ 41.223500][ T3608] ? nilfs_dat_commit_end+0x4d0/0x610 [ 41.228871][ T3608] panic+0x2d6/0x715 [ 41.232771][ T3608] ? __warn+0x131/0x220 [ 41.236922][ T3608] ? fb_is_primary_device+0xcc/0xcc [ 41.242146][ T3608] ? nilfs_dat_commit_end+0x56b/0x610 [ 41.252398][ T3608] __warn+0x1fa/0x220 [ 41.256390][ T3608] ? nilfs_dat_commit_end+0x56b/0x610 [ 41.261758][ T3608] report_bug+0x1b3/0x2d0 [ 41.266086][ T3608] handle_bug+0x3d/0x70 [ 41.270236][ T3608] exc_invalid_op+0x16/0x40 [ 41.274734][ T3608] asm_exc_invalid_op+0x16/0x20 [ 41.279583][ T3608] RIP: 0010:nilfs_dat_commit_end+0x56b/0x610 [ 41.285557][ T3608] Code: 48 89 ee 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d e9 69 77 03 00 e8 f4 39 40 fe e8 ef 36 b9 fd e9 24 fd ff ff e8 e5 39 40 fe <0f> 0b e9 75 fc ff ff e8 d9 39 40 fe e8 d4 36 b9 fd 43 80 7c 25 00 [ 41.305182][ T3608] RSP: 0018:ffffc900038af048 EFLAGS: 00010293 [ 41.311365][ T3608] RAX: ffffffff83474f9b RBX: ffff888146d241a0 RCX: ffff88801e295880 [ 41.319339][ T3608] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 00000026ae000002 [ 41.327305][ T3608] RBP: 0000000000000003 R08: ffffffff83474c09 R09: ffffed100f2db59b [ 41.335270][ T3608] R10: ffffed100f2db59b R11: 1ffff1100f2db59a R12: ffff888026aeca80 [ 41.343321][ T3608] R13: ffffc900038af158 R14: ffff888074c60180 R15: 00000026ae000002 [ 41.351292][ T3608] ? nilfs_dat_commit_end+0x1d9/0x610 [ 41.356662][ T3608] ? nilfs_dat_commit_end+0x56b/0x610 [ 41.362032][ T3608] ? nilfs_dat_commit_end+0x56b/0x610 [ 41.367410][ T3608] nilfs_dat_commit_update+0x25/0x40 [ 41.372710][ T3608] nilfs_direct_propagate+0x215/0x390 [ 41.378083][ T3608] ? nilfs_direct_delete+0x300/0x300 [ 41.383365][ T3608] ? down_write+0x10d/0x170 [ 41.387962][ T3608] nilfs_bmap_propagate+0x6d/0x120 [ 41.393155][ T3608] nilfs_collect_file_data+0x49/0xc0 [ 41.398436][ T3608] nilfs_segctor_apply_buffers+0x192/0x380 [ 41.404239][ T3608] ? _compound_head+0x130/0x130 [ 41.409089][ T3608] nilfs_segctor_scan_file+0x842/0xaf0 [ 41.414546][ T3608] ? write_boundary_block+0x150/0x150 [ 41.420006][ T3608] ? do_raw_spin_unlock+0x134/0x8a0 [ 41.425197][ T3608] ? trace_nilfs2_collection_stage_transition+0x220/0x220 [ 41.432310][ T3608] ? rcu_read_lock_sched_held+0x87/0x110 [ 41.437938][ T3608] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 41.444018][ T3608] ? nilfs_segbuf_reset+0x142/0x320 [ 41.449234][ T3608] nilfs_segctor_do_construct+0x1ddc/0x6fe0 [ 41.455174][ T3608] ? nilfs_transaction_unlock+0x210/0x210 [ 41.460883][ T3608] ? rcu_read_lock_sched_held+0x87/0x110 [ 41.466510][ T3608] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 41.472489][ T3608] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 41.477967][ T3608] ? __up_read+0x690/0x690 [ 41.482378][ T3608] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 41.487844][ T3608] ? do_raw_spin_lock+0x148/0x360 [ 41.492875][ T3608] ? __lock_acquire+0x1f60/0x1f60 [ 41.497907][ T3608] ? do_raw_spin_unlock+0x134/0x8a0 [ 41.503122][ T3608] ? _raw_spin_unlock+0x24/0x40 [ 41.507981][ T3608] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 41.513439][ T3608] nilfs_segctor_construct+0x143/0x8d0 [ 41.518912][ T3608] ? trace_nilfs2_transaction_transition+0xc9/0x240 [ 41.525504][ T3608] nilfs_detach_log_writer+0x537/0xbd0 [ 41.530959][ T3608] ? __might_sleep+0xc0/0xc0 [ 41.535551][ T3608] ? nilfs_attach_log_writer+0x8f0/0x8f0 [ 41.541179][ T3608] ? hook_sb_delete+0x988/0xab0 [ 41.546030][ T3608] ? hook_inode_free_security+0xa0/0xa0 [ 41.551572][ T3608] ? clear_inode+0x150/0x150 [ 41.556160][ T3608] ? nilfs_free_inode+0x70/0x70 [ 41.561009][ T3608] nilfs_put_super+0x4b/0x150 [ 41.565680][ T3608] ? nilfs_free_inode+0x70/0x70 [ 41.570524][ T3608] generic_shutdown_super+0x128/0x300 [ 41.575894][ T3608] kill_block_super+0x79/0xd0 [ 41.580567][ T3608] deactivate_locked_super+0xa7/0xf0 [ 41.585852][ T3608] cleanup_mnt+0x4ce/0x560 [ 41.590263][ T3608] ? _raw_spin_unlock_irq+0x1f/0x40 [ 41.595457][ T3608] task_work_run+0x146/0x1c0 [ 41.600044][ T3608] do_exit+0x55e/0x20a0 [ 41.604195][ T3608] ? _raw_spin_unlock_irq+0x1f/0x40 [ 41.609385][ T3608] ? lockdep_hardirqs_on+0x8d/0x130 [ 41.614583][ T3608] ? _raw_spin_unlock_irq+0x2a/0x40 [ 41.619775][ T3608] ? ptrace_notify+0x245/0x340 [ 41.624533][ T3608] ? mm_update_next_owner+0x6d0/0x6d0 [ 41.629897][ T3608] ? do_notify_parent+0xe00/0xe00 [ 41.634939][ T3608] do_group_exit+0x23b/0x2f0 [ 41.639537][ T3608] __x64_sys_exit_group+0x3b/0x40 [ 41.644559][ T3608] do_syscall_64+0x3d/0xb0 [ 41.648980][ T3608] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 41.654955][ T3608] RIP: 0033:0x7f0caf784b49 [ 41.659362][ T3608] Code: Unable to access opcode bytes at RIP 0x7f0caf784b1f. [ 41.666714][ T3608] RSP: 002b:00007ffe93dbbc28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 41.675121][ T3608] RAX: ffffffffffffffda RBX: 00007f0caf7fc330 RCX: 00007f0caf784b49 [ 41.683089][ T3608] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 41.691055][ T3608] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f0caf7f6e40 [ 41.699020][ T3608] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0caf7fc330 [ 41.707000][ T3608] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 41.714977][ T3608] [ 41.718183][ T3608] Kernel Offset: disabled [ 41.722583][ T3608] Rebooting in 86400 seconds..