./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3678405895 <...> Warning: Permanently added '10.128.0.218' (ECDSA) to the list of known hosts. execve("./syz-executor3678405895", ["./syz-executor3678405895"], 0x7fffd5ec90a0 /* 10 vars */) = 0 brk(NULL) = 0x555556135000 brk(0x555556135c40) = 0x555556135c40 arch_prctl(ARCH_SET_FS, 0x555556135300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3678405895", 4096) = 28 brk(0x555556156c40) = 0x555556156c40 brk(0x555556157000) = 0x555556157000 mprotect(0x7f46ceb04000, 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=0x5555561355d0) = 5025 ./strace-static-x86_64: Process 5025 attached [pid 5025] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5025] setsid() = 1 [pid 5025] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5025] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5025] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5025] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5025] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5025] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5025] unshare(CLONE_NEWNS) = 0 [pid 5025] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5025] unshare(CLONE_NEWIPC) = 0 [pid 5025] unshare(CLONE_NEWCGROUP) = 0 [pid 5025] unshare(CLONE_NEWUTS) = 0 [pid 5025] unshare(CLONE_SYSVSEM) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "16777216", 8) = 8 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "536870912", 9) = 9 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "1024", 4) = 4 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "8192", 4) = 4 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "1024", 4) = 4 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "1024", 4) = 4 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5025] close(3) = 0 [pid 5025] getpid() = 1 [pid 5025] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 e0 fb ff ff e8 02 39 90 fd 4c 8d ab a8 00 00 00 31 f6 4c [ 55.764793][ T5025] RSP: 0018:ffffc90003a8fa28 EFLAGS: 00010293 [ 55.770851][ T5025] RAX: 0000000000000000 RBX: ffff888148c8e780 RCX: 0000000000000000 [ 55.778846][ T5025] RDX: ffff8880277f8000 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 55.786859][ T5025] RBP: ffff888140fdb000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 55.794860][ T5025] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148c8e7b8 [ 55.802869][ T5025] R13: ffffc90003a91000 R14: ffff888140fdb460 R15: ffff888148c8e780 [ 55.810830][ T5025] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 55.819815][ T5025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.826495][ T5025] CR2: 00007f46ceb08140 CR3: 000000000c775000 CR4: 00000000003506f0 [ 55.834516][ T5025] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.842573][ T5025] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.850557][ T5025] Call Trace: [ 55.853928][ T5025] [ 55.856867][ T5025] ? __warn+0xe6/0x390 [ 55.860938][ T5025] ? blkdev_put+0x562/0x8a0 [ 55.865507][ T5025] ? report_bug+0x2da/0x500 [ 55.870062][ T5025] ? handle_bug+0x3c/0x70 [ 55.874613][ T5025] ? exc_invalid_op+0x18/0x50 [ 55.879316][ T5025] ? asm_exc_invalid_op+0x1a/0x20 [ 55.884425][ T5025] ? blkdev_put+0x562/0x8a0 [ 55.888952][ T5025] ? blkdev_put+0x562/0x8a0 [ 55.893528][ T5025] ? blkdev_put+0x562/0x8a0 [ 55.898069][ T5025] free_journal_ram+0x421/0x5c0 [ 55.903000][ T5025] journal_release+0x276/0x630 [ 55.907779][ T5025] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 55.914496][ T5025] ? do_raw_spin_unlock+0x175/0x230 [ 55.919728][ T5025] reiserfs_put_super+0xe4/0x5c0 [ 55.924727][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 55.930050][ T5025] ? dispose_list+0x1e0/0x1e0 [ 55.934806][ T5025] ? fscrypt_destroy_keyring+0x1a/0x380 [ 55.940378][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 55.945744][ T5025] generic_shutdown_super+0x158/0x480 [ 55.951246][ T5025] kill_block_super+0x64/0xb0 [ 55.955960][ T5025] deactivate_locked_super+0x98/0x160 [ 55.961414][ T5025] deactivate_super+0xb1/0xd0 [ 55.966132][ T5025] cleanup_mnt+0x2ae/0x3d0 [ 55.970570][ T5025] task_work_run+0x16f/0x270 [ 55.975229][ T5025] ? task_work_cancel+0x30/0x30 [ 55.980109][ T5025] ? __put_net+0x61/0x70 [ 55.984441][ T5025] do_exit+0xadc/0x2a30 [ 55.988615][ T5025] ? lock_downgrade+0x690/0x690 [ 55.993512][ T5025] ? do_raw_spin_lock+0x124/0x2b0 [ 55.998564][ T5025] ? mm_update_next_owner+0x7b0/0x7b0 [ 56.003998][ T5025] ? spin_bug+0x1c0/0x1c0 [ 56.008351][ T5025] ? _raw_spin_unlock_irq+0x23/0x50 [ 56.013593][ T5025] do_group_exit+0xd4/0x2a0 [ 56.018117][ T5025] __x64_sys_exit_group+0x3e/0x50 [ 56.023193][ T5025] do_syscall_64+0x39/0xb0 [ 56.027629][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.033579][ T5025] RIP: 0033:0x7f46cea939e9 [ 56.038006][ T5025] Code: Unable to access opcode bytes at 0x7f46cea939bf. [ 56.045069][ T5025] RSP: 002b:00007ffd33578728 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 56.053516][ T5025] RAX: ffffffffffffffda RBX: 00007f46ceb0a330 RCX: 00007f46cea939e9 [ 56.061536][ T5025] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 56.069514][ T5025] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 56.077547][ T5025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f46ceb0a330 [ 56.085585][ T5025] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 56.093632][ T5025] [ 56.096654][ T5025] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 56.103919][ T5025] CPU: 0 PID: 5025 Comm: syz-executor367 Not tainted 6.4.0-rc6-next-20230616-syzkaller #0 [ 56.113795][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 56.123837][ T5025] Call Trace: [ 56.127101][ T5025] [ 56.130018][ T5025] dump_stack_lvl+0xd9/0x150 [ 56.134605][ T5025] panic+0x686/0x730 [ 56.138496][ T5025] ? panic_smp_self_stop+0xa0/0xa0 [ 56.143598][ T5025] ? show_trace_log_lvl+0x284/0x390 [ 56.148801][ T5025] ? blkdev_put+0x562/0x8a0 [ 56.153297][ T5025] check_panic_on_warn+0xb1/0xc0 [ 56.158230][ T5025] __warn+0xf2/0x390 [ 56.162121][ T5025] ? blkdev_put+0x562/0x8a0 [ 56.166621][ T5025] report_bug+0x2da/0x500 [ 56.170940][ T5025] handle_bug+0x3c/0x70 [ 56.175089][ T5025] exc_invalid_op+0x18/0x50 [ 56.179582][ T5025] asm_exc_invalid_op+0x1a/0x20 [ 56.184425][ T5025] RIP: 0010:blkdev_put+0x562/0x8a0 [ 56.189533][ T5025] Code: c0 74 08 3c 03 0f 8e 23 03 00 00 41 83 ac 24 f0 04 00 00 01 e9 2b fe ff ff e8 1a 39 90 fd 0f 0b e9 4b fc ff ff e8 0e 39 90 fd <0f> 0b e9 e0 fb ff ff e8 02 39 90 fd 4c 8d ab a8 00 00 00 31 f6 4c [ 56.209137][ T5025] RSP: 0018:ffffc90003a8fa28 EFLAGS: 00010293 [ 56.215209][ T5025] RAX: 0000000000000000 RBX: ffff888148c8e780 RCX: 0000000000000000 [ 56.223182][ T5025] RDX: ffff8880277f8000 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 56.231153][ T5025] RBP: ffff888140fdb000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 56.239124][ T5025] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148c8e7b8 [ 56.247098][ T5025] R13: ffffc90003a91000 R14: ffff888140fdb460 R15: ffff888148c8e780 [ 56.255093][ T5025] ? blkdev_put+0x562/0x8a0 [ 56.259637][ T5025] ? blkdev_put+0x562/0x8a0 [ 56.264162][ T5025] free_journal_ram+0x421/0x5c0 [ 56.269026][ T5025] journal_release+0x276/0x630 [ 56.273796][ T5025] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 56.280484][ T5025] ? do_raw_spin_unlock+0x175/0x230 [ 56.285709][ T5025] reiserfs_put_super+0xe4/0x5c0 [ 56.290661][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 56.295964][ T5025] ? dispose_list+0x1e0/0x1e0 [ 56.300658][ T5025] ? fscrypt_destroy_keyring+0x1a/0x380 [ 56.306215][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 56.311522][ T5025] generic_shutdown_super+0x158/0x480 [ 56.316908][ T5025] kill_block_super+0x64/0xb0 [ 56.321595][ T5025] deactivate_locked_super+0x98/0x160 [ 56.326984][ T5025] deactivate_super+0xb1/0xd0 [ 56.331676][ T5025] cleanup_mnt+0x2ae/0x3d0 [ 56.336110][ T5025] task_work_run+0x16f/0x270 [ 56.340709][ T5025] ? task_work_cancel+0x30/0x30 [ 56.345564][ T5025] ? __put_net+0x61/0x70 [ 56.349834][ T5025] do_exit+0xadc/0x2a30 [ 56.354001][ T5025] ? lock_downgrade+0x690/0x690 [ 56.358869][ T5025] ? do_raw_spin_lock+0x124/0x2b0 [ 56.363912][ T5025] ? mm_update_next_owner+0x7b0/0x7b0 [ 56.369291][ T5025] ? spin_bug+0x1c0/0x1c0 [ 56.373645][ T5025] ? _raw_spin_unlock_irq+0x23/0x50 [ 56.378856][ T5025] do_group_exit+0xd4/0x2a0 [ 56.383368][ T5025] __x64_sys_exit_group+0x3e/0x50 [ 56.388399][ T5025] do_syscall_64+0x39/0xb0 [ 56.392826][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.398732][ T5025] RIP: 0033:0x7f46cea939e9 [ 56.403146][ T5025] Code: Unable to access opcode bytes at 0x7f46cea939bf. [ 56.410157][ T5025] RSP: 002b:00007ffd33578728 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 56.418572][ T5025] RAX: ffffffffffffffda RBX: 00007f46ceb0a330 RCX: 00007f46cea939e9 [ 56.426547][ T5025] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 56.434519][ T5025] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 56.442489][ T5025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f46ceb0a330 [ 56.450458][ T5025] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 56.458445][ T5025] [ 56.461524][ T5025] Kernel Offset: disabled [ 56.465952][ T5025] Rebooting in 86400 seconds..