./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1659442256 <...> Warning: Permanently added '10.128.1.102' (ECDSA) to the list of known hosts. execve("./syz-executor1659442256", ["./syz-executor1659442256"], 0x7ffd8ac62320 /* 10 vars */) = 0 brk(NULL) = 0x555556cef000 brk(0x555556cefc40) = 0x555556cefc40 arch_prctl(ARCH_SET_FS, 0x555556cef300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1659442256", 4096) = 28 brk(0x555556d10c40) = 0x555556d10c40 brk(0x555556d11000) = 0x555556d11000 mprotect(0x7f8df928a000, 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 3602 attached , child_tidptr=0x555556cef5d0) = 3602 [pid 3602] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3602] setsid() = 1 [pid 3602] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3602] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3602] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3602] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3602] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3602] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3602] unshare(CLONE_NEWNS) = 0 [pid 3602] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3602] unshare(CLONE_NEWIPC) = 0 [pid 3602] unshare(CLONE_NEWCGROUP) = 0 [pid 3602] unshare(CLONE_NEWUTS) = 0 [pid 3602] unshare(CLONE_SYSVSEM) = 0 [pid 3602] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3602] write(3, "16777216", 8) = 8 [pid 3602] close(3) = 0 [pid 3602] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3602] write(3, "536870912", 9) = 9 [pid 3602] close(3) = 0 [pid 3602] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3602] write(3, "1024", 4) = 4 [pid 3602] close(3) = 0 [pid 3602] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3602] write(3, "8192", 4) = 4 [pid 3602] close(3) = 0 [pid 3602] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3602] write(3, "1024", 4) = 4 [pid 3602] close(3) = 0 [pid 3602] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3602] write(3, "1024", 4) = 4 [pid 3602] close(3) = 0 [pid 3602] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3602] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3602] close(3) = 0 [pid 3602] getpid() = 1 [pid 3602] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 b4 f9 ff ff e8 b9 70 94 ff 0f 0b e9 06 fa ff ff e8 ad 70 [ 39.572803][ T3602] RSP: 0018:ffffc90003c2f5b0 EFLAGS: 00010293 [ 39.578875][ T3602] RAX: 0000000000000000 RBX: ffff888071fed2b8 RCX: 0000000000000000 [ 39.586930][ T3602] RDX: ffff888020ea0000 RSI: ffffffff81e82bbb RDI: 0000000000000001 [ 39.594950][ T3602] RBP: ffffc90003c2f600 R08: 0000000000000001 R09: 0000000000000000 [ 39.602996][ T3602] R10: 0000000000000000 R11: 000000000008c07e R12: ffff888071f88158 [ 39.611018][ T3602] R13: ffff888071f88008 R14: ffffc90003c2f648 R15: ffff8880200eb480 [ 39.618976][ T3602] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 39.628052][ T3602] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.634659][ T3602] CR2: 000055cc7a9ccfb0 CR3: 000000006f00b000 CR4: 0000000000350ee0 [ 39.642647][ T3602] Call Trace: [ 39.646090][ T3602] [ 39.648999][ T3602] nilfs_dat_commit_entry+0x43/0x110 [ 39.654302][ T3602] nilfs_dat_mark_dirty+0xd3/0xe0 [ 39.659346][ T3602] ? nilfs_dat_abort_update+0x70/0x70 [ 39.664738][ T3602] ? kmem_cache_alloc+0x1e6/0x3c0 [ 39.669777][ T3602] nilfs_btree_propagate+0x585/0xd60 [ 39.675080][ T3602] nilfs_bmap_propagate+0x73/0x170 [ 39.680200][ T3602] ? __brelse+0x84/0xa0 [ 39.684370][ T3602] nilfs_segctor_apply_buffers+0x14a/0x470 [ 39.690181][ T3602] ? nilfs_redirty_inodes+0x110/0x110 [ 39.695585][ T3602] nilfs_segctor_scan_file+0x261/0x6f0 [ 39.701120][ T3602] ? nilfs_lookup_dirty_data_buffers+0x7a0/0x7a0 [ 39.707436][ T3602] ? nilfs_sufile_mark_dirty+0x11e/0x230 [ 39.713085][ T3602] ? nilfs_segbuf_reset+0x16a/0x1c0 [ 39.718288][ T3602] nilfs_segctor_do_construct+0x12fc/0x6af0 [ 39.724233][ T3602] ? nilfs_segctor_abort_construction+0xe20/0xe20 [ 39.730710][ T3602] ? do_raw_spin_lock+0x120/0x2a0 [ 39.735791][ T3602] ? rwlock_bug.part.0+0x90/0x90 [ 39.740753][ T3602] ? do_raw_spin_unlock+0x171/0x230 [ 39.745980][ T3602] ? _raw_spin_unlock+0x24/0x40 [ 39.750860][ T3602] nilfs_segctor_construct+0x8e3/0xb30 [ 39.756412][ T3602] ? rcu_read_lock_sched_held+0xd/0x70 [ 39.761875][ T3602] ? trace_nilfs2_transaction_transition+0x227/0x2e0 [ 39.768573][ T3602] nilfs_detach_log_writer+0x3bb/0x9f0 [ 39.774049][ T3602] ? nilfs_clean_segments+0xa80/0xa80 [ 39.779431][ T3602] ? hook_sb_pivotroot+0xe0/0xe0 [ 39.784488][ T3602] ? prepare_to_wait_exclusive+0x2b0/0x2b0 [ 39.790304][ T3602] ? dispose_list+0x1e0/0x1e0 [ 39.795007][ T3602] nilfs_put_super+0x3f/0x1a0 [ 39.799710][ T3602] ? nilfs_freeze+0xc0/0xc0 [ 39.804223][ T3602] generic_shutdown_super+0x154/0x410 [ 39.809600][ T3602] kill_block_super+0x97/0xf0 [ 39.814299][ T3602] deactivate_locked_super+0x94/0x160 [ 39.819696][ T3602] deactivate_super+0xad/0xd0 [ 39.824401][ T3602] cleanup_mnt+0x2ae/0x3d0 [ 39.828834][ T3602] task_work_run+0x16b/0x270 [ 39.833459][ T3602] ? task_work_cancel+0x30/0x30 [ 39.838328][ T3602] do_exit+0xb35/0x2a20 [ 39.842499][ T3602] ? lock_downgrade+0x6e0/0x6e0 [ 39.847352][ T3602] ? do_raw_spin_lock+0x120/0x2a0 [ 39.852420][ T3602] ? mm_update_next_owner+0x7b0/0x7b0 [ 39.857803][ T3602] ? rwlock_bug.part.0+0x90/0x90 [ 39.863136][ T3602] do_group_exit+0xd0/0x2a0 [ 39.867820][ T3602] __x64_sys_exit_group+0x3a/0x50 [ 39.872864][ T3602] do_syscall_64+0x35/0xb0 [ 39.877310][ T3602] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 39.883219][ T3602] RIP: 0033:0x7f8df9218bb9 [ 39.887719][ T3602] Code: Unable to access opcode bytes at 0x7f8df9218b8f. [ 39.894739][ T3602] RSP: 002b:00007ffdcc871628 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 39.903254][ T3602] RAX: ffffffffffffffda RBX: 00007f8df9290330 RCX: 00007f8df9218bb9 [ 39.911264][ T3602] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 39.919321][ T3602] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f8df928ae40 [ 39.927305][ T3602] R10: 0000555556cef2c0 R11: 0000000000000246 R12: 00007f8df9290330 [ 39.935302][ T3602] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 39.943482][ T3602] [ 39.946774][ T3602] Kernel panic - not syncing: panic_on_warn set ... [ 39.953346][ T3602] CPU: 1 PID: 3602 Comm: syz-executor165 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 [ 39.963752][ T3602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 39.973871][ T3602] Call Trace: [ 39.977128][ T3602] [ 39.980038][ T3602] dump_stack_lvl+0xcd/0x134 [ 39.984620][ T3602] panic+0x2c8/0x622 [ 39.988515][ T3602] ? panic_print_sys_info.part.0+0x110/0x110 [ 39.994484][ T3602] ? __warn.cold+0x24b/0x350 [ 39.999059][ T3602] ? mark_buffer_dirty+0x67b/0xa40 [ 40.004176][ T3602] __warn.cold+0x25c/0x350 [ 40.008777][ T3602] ? mark_buffer_dirty+0x67b/0xa40 [ 40.013893][ T3602] report_bug+0x1bc/0x210 [ 40.018217][ T3602] handle_bug+0x3c/0x70 [ 40.022366][ T3602] exc_invalid_op+0x14/0x40 [ 40.026859][ T3602] asm_exc_invalid_op+0x16/0x20 [ 40.031699][ T3602] RIP: 0010:mark_buffer_dirty+0x67b/0xa40 [ 40.038018][ T3602] Code: 89 f5 41 83 e5 01 4c 89 ee e8 d1 6d 94 ff 4d 85 ed 0f 84 d3 fd ff ff e8 d3 70 94 ff 49 8d 5e ff e9 c5 fd ff ff e8 c5 70 94 ff <0f> 0b e9 b4 f9 ff ff e8 b9 70 94 ff 0f 0b e9 06 fa ff ff e8 ad 70 [ 40.057615][ T3602] RSP: 0018:ffffc90003c2f5b0 EFLAGS: 00010293 [ 40.063666][ T3602] RAX: 0000000000000000 RBX: ffff888071fed2b8 RCX: 0000000000000000 [ 40.071626][ T3602] RDX: ffff888020ea0000 RSI: ffffffff81e82bbb RDI: 0000000000000001 [ 40.079580][ T3602] RBP: ffffc90003c2f600 R08: 0000000000000001 R09: 0000000000000000 [ 40.087536][ T3602] R10: 0000000000000000 R11: 000000000008c07e R12: ffff888071f88158 [ 40.095490][ T3602] R13: ffff888071f88008 R14: ffffc90003c2f648 R15: ffff8880200eb480 [ 40.103468][ T3602] ? mark_buffer_dirty+0x67b/0xa40 [ 40.108577][ T3602] nilfs_dat_commit_entry+0x43/0x110 [ 40.113860][ T3602] nilfs_dat_mark_dirty+0xd3/0xe0 [ 40.118879][ T3602] ? nilfs_dat_abort_update+0x70/0x70 [ 40.124246][ T3602] ? kmem_cache_alloc+0x1e6/0x3c0 [ 40.129261][ T3602] nilfs_btree_propagate+0x585/0xd60 [ 40.134538][ T3602] nilfs_bmap_propagate+0x73/0x170 [ 40.139635][ T3602] ? __brelse+0x84/0xa0 [ 40.143777][ T3602] nilfs_segctor_apply_buffers+0x14a/0x470 [ 40.149588][ T3602] ? nilfs_redirty_inodes+0x110/0x110 [ 40.154958][ T3602] nilfs_segctor_scan_file+0x261/0x6f0 [ 40.160406][ T3602] ? nilfs_lookup_dirty_data_buffers+0x7a0/0x7a0 [ 40.166734][ T3602] ? nilfs_sufile_mark_dirty+0x11e/0x230 [ 40.172358][ T3602] ? nilfs_segbuf_reset+0x16a/0x1c0 [ 40.177544][ T3602] nilfs_segctor_do_construct+0x12fc/0x6af0 [ 40.183431][ T3602] ? nilfs_segctor_abort_construction+0xe20/0xe20 [ 40.189832][ T3602] ? do_raw_spin_lock+0x120/0x2a0 [ 40.194847][ T3602] ? rwlock_bug.part.0+0x90/0x90 [ 40.199772][ T3602] ? do_raw_spin_unlock+0x171/0x230 [ 40.204959][ T3602] ? _raw_spin_unlock+0x24/0x40 [ 40.209804][ T3602] nilfs_segctor_construct+0x8e3/0xb30 [ 40.215254][ T3602] ? rcu_read_lock_sched_held+0xd/0x70 [ 40.220702][ T3602] ? trace_nilfs2_transaction_transition+0x227/0x2e0 [ 40.227375][ T3602] nilfs_detach_log_writer+0x3bb/0x9f0 [ 40.232917][ T3602] ? nilfs_clean_segments+0xa80/0xa80 [ 40.238555][ T3602] ? hook_sb_pivotroot+0xe0/0xe0 [ 40.243483][ T3602] ? prepare_to_wait_exclusive+0x2b0/0x2b0 [ 40.249623][ T3602] ? dispose_list+0x1e0/0x1e0 [ 40.254290][ T3602] nilfs_put_super+0x3f/0x1a0 [ 40.258958][ T3602] ? nilfs_freeze+0xc0/0xc0 [ 40.263553][ T3602] generic_shutdown_super+0x154/0x410 [ 40.268926][ T3602] kill_block_super+0x97/0xf0 [ 40.273590][ T3602] deactivate_locked_super+0x94/0x160 [ 40.279032][ T3602] deactivate_super+0xad/0xd0 [ 40.283708][ T3602] cleanup_mnt+0x2ae/0x3d0 [ 40.288124][ T3602] task_work_run+0x16b/0x270 [ 40.292711][ T3602] ? task_work_cancel+0x30/0x30 [ 40.297557][ T3602] do_exit+0xb35/0x2a20 [ 40.301698][ T3602] ? lock_downgrade+0x6e0/0x6e0 [ 40.306531][ T3602] ? do_raw_spin_lock+0x120/0x2a0 [ 40.311538][ T3602] ? mm_update_next_owner+0x7b0/0x7b0 [ 40.316893][ T3602] ? rwlock_bug.part.0+0x90/0x90 [ 40.321817][ T3602] do_group_exit+0xd0/0x2a0 [ 40.326302][ T3602] __x64_sys_exit_group+0x3a/0x50 [ 40.331306][ T3602] do_syscall_64+0x35/0xb0 [ 40.335715][ T3602] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 40.341605][ T3602] RIP: 0033:0x7f8df9218bb9 [ 40.346013][ T3602] Code: Unable to access opcode bytes at 0x7f8df9218b8f. [ 40.353020][ T3602] RSP: 002b:00007ffdcc871628 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 40.361951][ T3602] RAX: ffffffffffffffda RBX: 00007f8df9290330 RCX: 00007f8df9218bb9 [ 40.369914][ T3602] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 40.377881][ T3602] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f8df928ae40 [ 40.385849][ T3602] R10: 0000555556cef2c0 R11: 0000000000000246 R12: 00007f8df9290330 [ 40.393814][ T3602] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 40.401783][ T3602] [ 40.405279][ T3602] Kernel Offset: disabled [ 40.411587][ T3602] Rebooting in 86400 seconds..