./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2504837396 <...> Warning: Permanently added '10.128.0.24' (ECDSA) to the list of known hosts. execve("./syz-executor2504837396", ["./syz-executor2504837396"], 0x7ffcbda1cd30 /* 10 vars */) = 0 brk(NULL) = 0x555556cd0000 brk(0x555556cd0c40) = 0x555556cd0c40 arch_prctl(ARCH_SET_FS, 0x555556cd0300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2504837396", 4096) = 28 brk(0x555556cf1c40) = 0x555556cf1c40 brk(0x555556cf2000) = 0x555556cf2000 mprotect(0x7fdd481b3000, 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=0x555556cd05d0) = 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 [ 55.657639][ T5025] RSP: 0018:ffffc90003acfa28 EFLAGS: 00010293 [ 55.663900][ T5025] RAX: 0000000000000000 RBX: ffff888148c94500 RCX: 0000000000000000 [ 55.671948][ T5025] RDX: ffff888015abd940 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 55.679960][ T5025] RBP: ffff88801f1f6000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 55.688023][ T5025] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148c94538 [ 55.696080][ T5025] R13: ffffc90003ae1000 R14: ffff88801f1f6460 R15: ffff888148c94500 [ 55.704110][ T5025] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 55.713072][ T5025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.719735][ T5025] CR2: 00007fdd481876f8 CR3: 000000000c775000 CR4: 00000000003506f0 [ 55.727758][ T5025] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.735776][ T5025] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.743753][ T5025] Call Trace: [ 55.747162][ T5025] [ 55.750104][ T5025] ? __warn+0xe6/0x390 [ 55.754231][ T5025] ? blkdev_put+0x562/0x8a0 [ 55.758762][ T5025] ? report_bug+0x2da/0x500 [ 55.763273][ T5025] ? handle_bug+0x3c/0x70 [ 55.767638][ T5025] ? exc_invalid_op+0x18/0x50 [ 55.772335][ T5025] ? asm_exc_invalid_op+0x1a/0x20 [ 55.777431][ T5025] ? blkdev_put+0x562/0x8a0 [ 55.781966][ T5025] ? blkdev_put+0x562/0x8a0 [ 55.786520][ T5025] ? blkdev_put+0x562/0x8a0 [ 55.791048][ T5025] free_journal_ram+0x421/0x5c0 [ 55.795968][ T5025] journal_release+0x276/0x630 [ 55.800747][ T5025] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 55.807600][ T5025] ? do_raw_spin_unlock+0x175/0x230 [ 55.812845][ T5025] reiserfs_put_super+0xe4/0x5c0 [ 55.817850][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 55.823163][ T5025] ? dispose_list+0x1e0/0x1e0 [ 55.827936][ T5025] ? fscrypt_destroy_keyring+0x1a/0x380 [ 55.833516][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 55.838926][ T5025] generic_shutdown_super+0x158/0x480 [ 55.844372][ T5025] kill_block_super+0x64/0xb0 [ 55.849050][ T5025] deactivate_locked_super+0x98/0x160 [ 55.854483][ T5025] deactivate_super+0xb1/0xd0 [ 55.859181][ T5025] cleanup_mnt+0x2ae/0x3d0 [ 55.863591][ T5025] task_work_run+0x16f/0x270 [ 55.868227][ T5025] ? task_work_cancel+0x30/0x30 [ 55.873095][ T5025] ? __put_net+0x61/0x70 [ 55.877402][ T5025] do_exit+0xadc/0x2a30 [ 55.881573][ T5025] ? lock_downgrade+0x690/0x690 [ 55.886483][ T5025] ? do_raw_spin_lock+0x124/0x2b0 [ 55.891538][ T5025] ? mm_update_next_owner+0x7b0/0x7b0 [ 55.896968][ T5025] ? spin_bug+0x1c0/0x1c0 [ 55.901325][ T5025] ? _raw_spin_unlock_irq+0x23/0x50 [ 55.906631][ T5025] do_group_exit+0xd4/0x2a0 [ 55.911173][ T5025] __x64_sys_exit_group+0x3e/0x50 [ 55.916276][ T5025] do_syscall_64+0x39/0xb0 [ 55.920721][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 55.926666][ T5025] RIP: 0033:0x7fdd48142cf9 [ 55.931102][ T5025] Code: Unable to access opcode bytes at 0x7fdd48142ccf. [ 55.938173][ T5025] RSP: 002b:00007ffef78e1b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 55.946727][ T5025] RAX: ffffffffffffffda RBX: 00007fdd481b93f0 RCX: 00007fdd48142cf9 [ 55.954785][ T5025] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 55.962773][ T5025] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00000000000010f7 [ 55.970836][ T5025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdd481b93f0 [ 55.978872][ T5025] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 55.986935][ T5025] [ 55.989964][ T5025] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 55.997230][ T5025] CPU: 0 PID: 5025 Comm: syz-executor250 Not tainted 6.4.0-rc6-next-20230616-syzkaller #0 [ 56.007107][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 56.017150][ T5025] Call Trace: [ 56.020414][ T5025] [ 56.023333][ T5025] dump_stack_lvl+0xd9/0x150 [ 56.027920][ T5025] panic+0x686/0x730 [ 56.031810][ T5025] ? panic_smp_self_stop+0xa0/0xa0 [ 56.036912][ T5025] ? show_trace_log_lvl+0x284/0x390 [ 56.042112][ T5025] ? blkdev_put+0x562/0x8a0 [ 56.046611][ T5025] check_panic_on_warn+0xb1/0xc0 [ 56.051545][ T5025] __warn+0xf2/0x390 [ 56.055431][ T5025] ? blkdev_put+0x562/0x8a0 [ 56.059927][ T5025] report_bug+0x2da/0x500 [ 56.064247][ T5025] handle_bug+0x3c/0x70 [ 56.068391][ T5025] exc_invalid_op+0x18/0x50 [ 56.072881][ T5025] asm_exc_invalid_op+0x1a/0x20 [ 56.077719][ T5025] RIP: 0010:blkdev_put+0x562/0x8a0 [ 56.082821][ 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 [ 56.102417][ T5025] RSP: 0018:ffffc90003acfa28 EFLAGS: 00010293 [ 56.108487][ T5025] RAX: 0000000000000000 RBX: ffff888148c94500 RCX: 0000000000000000 [ 56.116463][ T5025] RDX: ffff888015abd940 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 56.124434][ T5025] RBP: ffff88801f1f6000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 56.132412][ T5025] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148c94538 [ 56.140385][ T5025] R13: ffffc90003ae1000 R14: ffff88801f1f6460 R15: ffff888148c94500 [ 56.148453][ T5025] ? blkdev_put+0x562/0x8a0 [ 56.152981][ T5025] ? blkdev_put+0x562/0x8a0 [ 56.157504][ T5025] free_journal_ram+0x421/0x5c0 [ 56.162371][ T5025] journal_release+0x276/0x630 [ 56.167143][ T5025] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 56.173832][ T5025] ? do_raw_spin_unlock+0x175/0x230 [ 56.179066][ T5025] reiserfs_put_super+0xe4/0x5c0 [ 56.184015][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 56.189316][ T5025] ? dispose_list+0x1e0/0x1e0 [ 56.194008][ T5025] ? fscrypt_destroy_keyring+0x1a/0x380 [ 56.199563][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 56.204863][ T5025] generic_shutdown_super+0x158/0x480 [ 56.210248][ T5025] kill_block_super+0x64/0xb0 [ 56.214937][ T5025] deactivate_locked_super+0x98/0x160 [ 56.220324][ T5025] deactivate_super+0xb1/0xd0 [ 56.225020][ T5025] cleanup_mnt+0x2ae/0x3d0 [ 56.229451][ T5025] task_work_run+0x16f/0x270 [ 56.234052][ T5025] ? task_work_cancel+0x30/0x30 [ 56.238907][ T5025] ? __put_net+0x61/0x70 [ 56.243174][ T5025] do_exit+0xadc/0x2a30 [ 56.247339][ T5025] ? lock_downgrade+0x690/0x690 [ 56.252201][ T5025] ? do_raw_spin_lock+0x124/0x2b0 [ 56.257239][ T5025] ? mm_update_next_owner+0x7b0/0x7b0 [ 56.262616][ T5025] ? spin_bug+0x1c0/0x1c0 [ 56.266962][ T5025] ? _raw_spin_unlock_irq+0x23/0x50 [ 56.272171][ T5025] do_group_exit+0xd4/0x2a0 [ 56.276679][ T5025] __x64_sys_exit_group+0x3e/0x50 [ 56.281707][ T5025] do_syscall_64+0x39/0xb0 [ 56.286133][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.292033][ T5025] RIP: 0033:0x7fdd48142cf9 [ 56.296447][ T5025] Code: Unable to access opcode bytes at 0x7fdd48142ccf. [ 56.303456][ T5025] RSP: 002b:00007ffef78e1b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 56.311875][ T5025] RAX: ffffffffffffffda RBX: 00007fdd481b93f0 RCX: 00007fdd48142cf9 [ 56.319847][ T5025] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 56.327819][ T5025] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00000000000010f7 [ 56.335788][ T5025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdd481b93f0 [ 56.343759][ T5025] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 56.351743][ T5025] [ 56.354955][ T5025] Kernel Offset: disabled [ 56.359350][ T5025] Rebooting in 86400 seconds..