./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2905796067 <...> Warning: Permanently added '10.128.1.137' (ECDSA) to the list of known hosts. execve("./syz-executor2905796067", ["./syz-executor2905796067"], 0x7ffd154eeef0 /* 10 vars */) = 0 brk(NULL) = 0x555556921000 brk(0x555556921c40) = 0x555556921c40 arch_prctl(ARCH_SET_FS, 0x555556921300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2905796067", 4096) = 28 brk(0x555556942c40) = 0x555556942c40 brk(0x555556943000) = 0x555556943000 mprotect(0x7f608cd90000, 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=0x5555569215d0) = 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 [ 58.009578][ T5025] RSP: 0018:ffffc90003a3fa28 EFLAGS: 00010293 [ 58.015644][ T5025] RAX: 0000000000000000 RBX: ffff888148cfc500 RCX: 0000000000000000 [ 58.023684][ T5025] RDX: ffff888028ffbb80 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 58.031743][ T5025] RBP: ffff88801f9e0000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 58.039796][ T5025] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148cfc538 [ 58.047804][ T5025] R13: ffffc90003a51000 R14: ffff88801f9e0460 R15: ffff888148cfc500 [ 58.055857][ T5025] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 58.064949][ T5025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.071694][ T5025] CR2: 00007f608cd646f8 CR3: 000000000c775000 CR4: 00000000003506e0 [ 58.079901][ T5025] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.087876][ T5025] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.096066][ T5025] Call Trace: [ 58.099532][ T5025] [ 58.102480][ T5025] ? __warn+0xe6/0x390 [ 58.106552][ T5025] ? blkdev_put+0x562/0x8a0 [ 58.111107][ T5025] ? report_bug+0x2da/0x500 [ 58.115647][ T5025] ? handle_bug+0x3c/0x70 [ 58.120213][ T5025] ? exc_invalid_op+0x18/0x50 [ 58.124918][ T5025] ? asm_exc_invalid_op+0x1a/0x20 [ 58.130040][ T5025] ? blkdev_put+0x562/0x8a0 [ 58.134574][ T5025] ? blkdev_put+0x562/0x8a0 [ 58.139126][ T5025] ? blkdev_put+0x562/0x8a0 [ 58.143664][ T5025] free_journal_ram+0x421/0x5c0 [ 58.148674][ T5025] journal_release+0x276/0x630 [ 58.153461][ T5025] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 58.160462][ T5025] ? do_raw_spin_unlock+0x175/0x230 [ 58.165696][ T5025] reiserfs_put_super+0xe4/0x5c0 [ 58.170712][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 58.176430][ T5025] ? dispose_list+0x1e0/0x1e0 [ 58.181216][ T5025] ? fscrypt_destroy_keyring+0x1a/0x380 [ 58.186793][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 58.192675][ T5025] generic_shutdown_super+0x158/0x480 [ 58.198117][ T5025] kill_block_super+0x64/0xb0 [ 58.202796][ T5025] deactivate_locked_super+0x98/0x160 [ 58.208215][ T5025] deactivate_super+0xb1/0xd0 [ 58.213016][ T5025] cleanup_mnt+0x2ae/0x3d0 [ 58.217435][ T5025] task_work_run+0x16f/0x270 [ 58.222263][ T5025] ? task_work_cancel+0x30/0x30 [ 58.227329][ T5025] ? __put_net+0x61/0x70 [ 58.231727][ T5025] do_exit+0xadc/0x2a30 [ 58.235919][ T5025] ? lock_downgrade+0x690/0x690 [ 58.240852][ T5025] ? do_raw_spin_lock+0x124/0x2b0 [ 58.245904][ T5025] ? mm_update_next_owner+0x7b0/0x7b0 [ 58.251340][ T5025] ? spin_bug+0x1c0/0x1c0 [ 58.255700][ T5025] ? _raw_spin_unlock_irq+0x23/0x50 [ 58.260951][ T5025] do_group_exit+0xd4/0x2a0 [ 58.265562][ T5025] __x64_sys_exit_group+0x3e/0x50 [ 58.270632][ T5025] do_syscall_64+0x39/0xb0 [ 58.275071][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.281039][ T5025] RIP: 0033:0x7f608cd1fcf9 [ 58.285470][ T5025] Code: Unable to access opcode bytes at 0x7f608cd1fccf. [ 58.292529][ T5025] RSP: 002b:00007fff9e55f288 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 58.301022][ T5025] RAX: ffffffffffffffda RBX: 00007f608cd963f0 RCX: 00007f608cd1fcf9 [ 58.309157][ T5025] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 58.317165][ T5025] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00000000000010f7 [ 58.325217][ T5025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f608cd963f0 [ 58.333237][ T5025] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 58.341282][ T5025] [ 58.344320][ T5025] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 58.351589][ T5025] CPU: 1 PID: 5025 Comm: syz-executor290 Not tainted 6.4.0-rc6-next-20230616-syzkaller #0 [ 58.361480][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 58.371535][ T5025] Call Trace: [ 58.374803][ T5025] [ 58.377726][ T5025] dump_stack_lvl+0xd9/0x150 [ 58.382315][ T5025] panic+0x686/0x730 [ 58.386328][ T5025] ? panic_smp_self_stop+0xa0/0xa0 [ 58.391605][ T5025] ? show_trace_log_lvl+0x284/0x390 [ 58.396809][ T5025] ? blkdev_put+0x562/0x8a0 [ 58.401308][ T5025] check_panic_on_warn+0xb1/0xc0 [ 58.406241][ T5025] __warn+0xf2/0x390 [ 58.410134][ T5025] ? blkdev_put+0x562/0x8a0 [ 58.414633][ T5025] report_bug+0x2da/0x500 [ 58.418958][ T5025] handle_bug+0x3c/0x70 [ 58.423109][ T5025] exc_invalid_op+0x18/0x50 [ 58.427606][ T5025] asm_exc_invalid_op+0x1a/0x20 [ 58.432450][ T5025] RIP: 0010:blkdev_put+0x562/0x8a0 [ 58.437558][ 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 [ 58.457170][ T5025] RSP: 0018:ffffc90003a3fa28 EFLAGS: 00010293 [ 58.463245][ T5025] RAX: 0000000000000000 RBX: ffff888148cfc500 RCX: 0000000000000000 [ 58.471225][ T5025] RDX: ffff888028ffbb80 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 58.479378][ T5025] RBP: ffff88801f9e0000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 58.487488][ T5025] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148cfc538 [ 58.495461][ T5025] R13: ffffc90003a51000 R14: ffff88801f9e0460 R15: ffff888148cfc500 [ 58.503446][ T5025] ? blkdev_put+0x562/0x8a0 [ 58.507979][ T5025] ? blkdev_put+0x562/0x8a0 [ 58.512506][ T5025] free_journal_ram+0x421/0x5c0 [ 58.517375][ T5025] journal_release+0x276/0x630 [ 58.522148][ T5025] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 58.528851][ T5025] ? do_raw_spin_unlock+0x175/0x230 [ 58.534089][ T5025] reiserfs_put_super+0xe4/0x5c0 [ 58.539045][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 58.544352][ T5025] ? dispose_list+0x1e0/0x1e0 [ 58.549079][ T5025] ? fscrypt_destroy_keyring+0x1a/0x380 [ 58.554723][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 58.560027][ T5025] generic_shutdown_super+0x158/0x480 [ 58.565417][ T5025] kill_block_super+0x64/0xb0 [ 58.570107][ T5025] deactivate_locked_super+0x98/0x160 [ 58.575496][ T5025] deactivate_super+0xb1/0xd0 [ 58.580208][ T5025] cleanup_mnt+0x2ae/0x3d0 [ 58.584656][ T5025] task_work_run+0x16f/0x270 [ 58.589292][ T5025] ? task_work_cancel+0x30/0x30 [ 58.594161][ T5025] ? __put_net+0x61/0x70 [ 58.598443][ T5025] do_exit+0xadc/0x2a30 [ 58.602630][ T5025] ? lock_downgrade+0x690/0x690 [ 58.607523][ T5025] ? do_raw_spin_lock+0x124/0x2b0 [ 58.612596][ T5025] ? mm_update_next_owner+0x7b0/0x7b0 [ 58.617986][ T5025] ? spin_bug+0x1c0/0x1c0 [ 58.622338][ T5025] ? _raw_spin_unlock_irq+0x23/0x50 [ 58.627572][ T5025] do_group_exit+0xd4/0x2a0 [ 58.632110][ T5025] __x64_sys_exit_group+0x3e/0x50 [ 58.637154][ T5025] do_syscall_64+0x39/0xb0 [ 58.641594][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.647508][ T5025] RIP: 0033:0x7f608cd1fcf9 [ 58.651944][ T5025] Code: Unable to access opcode bytes at 0x7f608cd1fccf. [ 58.658983][ T5025] RSP: 002b:00007fff9e55f288 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 58.667412][ T5025] RAX: ffffffffffffffda RBX: 00007f608cd963f0 RCX: 00007f608cd1fcf9 [ 58.675412][ T5025] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 58.683402][ T5025] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00000000000010f7 [ 58.691386][ T5025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f608cd963f0 [ 58.699361][ T5025] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 58.707353][ T5025] [ 58.710544][ T5025] Kernel Offset: disabled [ 58.714956][ T5025] Rebooting in 86400 seconds..