./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2637148421 <...> Warning: Permanently added '10.128.0.238' (ECDSA) to the list of known hosts. execve("./syz-executor2637148421", ["./syz-executor2637148421"], 0x7ffebbc5f4d0 /* 10 vars */) = 0 brk(NULL) = 0x5555567fd000 brk(0x5555567fdc40) = 0x5555567fdc40 arch_prctl(ARCH_SET_FS, 0x5555567fd300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2637148421", 4096) = 28 brk(0x55555681ec40) = 0x55555681ec40 brk(0x55555681f000) = 0x55555681f000 mprotect(0x7f60bad71000, 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=0x5555567fd5d0) = 5024 ./strace-static-x86_64: Process 5024 attached [pid 5024] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5024] setsid() = 1 [pid 5024] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5024] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5024] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5024] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5024] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5024] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5024] unshare(CLONE_NEWNS) = 0 [pid 5024] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5024] unshare(CLONE_NEWIPC) = 0 [pid 5024] unshare(CLONE_NEWCGROUP) = 0 [pid 5024] unshare(CLONE_NEWUTS) = 0 [pid 5024] unshare(CLONE_SYSVSEM) = 0 [pid 5024] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "16777216", 8) = 8 [pid 5024] close(3) = 0 [pid 5024] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "536870912", 9) = 9 [pid 5024] close(3) = 0 [pid 5024] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "1024", 4) = 4 [pid 5024] close(3) = 0 [pid 5024] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "8192", 4) = 4 [pid 5024] close(3) = 0 [pid 5024] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "1024", 4) = 4 [pid 5024] close(3) = 0 [pid 5024] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "1024", 4) = 4 [pid 5024] close(3) = 0 [pid 5024] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5024] close(3) = 0 [pid 5024] getpid() = 1 [pid 5024] 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 [ 57.758616][ T5024] RSP: 0018:ffffc90003b3fa28 EFLAGS: 00010293 [ 57.764745][ T5024] RAX: 0000000000000000 RBX: ffff888148c88b80 RCX: 0000000000000000 [ 57.772763][ T5024] RDX: ffff8880137cbb80 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 57.780771][ T5024] RBP: ffff8881401f0000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 57.788753][ T5024] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148c88bb8 [ 57.796767][ T5024] R13: ffffc90003b61000 R14: ffff8881401f0460 R15: ffff888148c88b80 [ 57.804765][ T5024] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 57.813765][ T5024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.820360][ T5024] CR2: 00007f60bad75140 CR3: 000000000c775000 CR4: 00000000003506f0 [ 57.828382][ T5024] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.836386][ T5024] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.844398][ T5024] Call Trace: [ 57.847684][ T5024] [ 57.850685][ T5024] ? __warn+0xe6/0x390 [ 57.854792][ T5024] ? blkdev_put+0x562/0x8a0 [ 57.859307][ T5024] ? report_bug+0x2da/0x500 [ 57.863851][ T5024] ? handle_bug+0x3c/0x70 [ 57.868199][ T5024] ? exc_invalid_op+0x18/0x50 [ 57.872922][ T5024] ? asm_exc_invalid_op+0x1a/0x20 [ 57.877981][ T5024] ? blkdev_put+0x562/0x8a0 [ 57.882542][ T5024] ? blkdev_put+0x562/0x8a0 [ 57.887072][ T5024] ? blkdev_put+0x562/0x8a0 [ 57.891636][ T5024] free_journal_ram+0x421/0x5c0 [ 57.896504][ T5024] journal_release+0x276/0x630 [ 57.901321][ T5024] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 57.908024][ T5024] ? do_raw_spin_unlock+0x175/0x230 [ 57.913301][ T5024] reiserfs_put_super+0xe4/0x5c0 [ 57.918269][ T5024] ? reiserfs_quota_read+0x4f0/0x4f0 [ 57.923593][ T5024] ? dispose_list+0x1e0/0x1e0 [ 57.928292][ T5024] ? fscrypt_destroy_keyring+0x1a/0x380 [ 57.933883][ T5024] ? reiserfs_quota_read+0x4f0/0x4f0 [ 57.939193][ T5024] generic_shutdown_super+0x158/0x480 [ 57.944615][ T5024] kill_block_super+0x64/0xb0 [ 57.949309][ T5024] deactivate_locked_super+0x98/0x160 [ 57.954730][ T5024] deactivate_super+0xb1/0xd0 [ 57.959429][ T5024] cleanup_mnt+0x2ae/0x3d0 [ 57.963901][ T5024] task_work_run+0x16f/0x270 [ 57.968517][ T5024] ? task_work_cancel+0x30/0x30 [ 57.973459][ T5024] ? __put_net+0x61/0x70 [ 57.977732][ T5024] do_exit+0xadc/0x2a30 [ 57.981921][ T5024] ? lock_downgrade+0x690/0x690 [ 57.986796][ T5024] ? do_raw_spin_lock+0x124/0x2b0 [ 57.991870][ T5024] ? mm_update_next_owner+0x7b0/0x7b0 [ 57.997259][ T5024] ? spin_bug+0x1c0/0x1c0 [ 58.001643][ T5024] ? _raw_spin_unlock_irq+0x23/0x50 [ 58.006870][ T5024] do_group_exit+0xd4/0x2a0 [ 58.011434][ T5024] __x64_sys_exit_group+0x3e/0x50 [ 58.016476][ T5024] do_syscall_64+0x39/0xb0 [ 58.020927][ T5024] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.026837][ T5024] RIP: 0033:0x7f60bad009c9 [ 58.031296][ T5024] Code: Unable to access opcode bytes at 0x7f60bad0099f. [ 58.038316][ T5024] RSP: 002b:00007fffb1766ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 58.046756][ T5024] RAX: ffffffffffffffda RBX: 00007f60bad77330 RCX: 00007f60bad009c9 [ 58.054785][ T5024] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 58.062811][ T5024] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 58.070826][ T5024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f60bad77330 [ 58.078789][ T5024] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 58.086924][ T5024] [ 58.089963][ T5024] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 58.097247][ T5024] CPU: 0 PID: 5024 Comm: syz-executor263 Not tainted 6.4.0-rc6-next-20230616-syzkaller #0 [ 58.107135][ T5024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 58.117190][ T5024] Call Trace: [ 58.120467][ T5024] [ 58.123395][ T5024] dump_stack_lvl+0xd9/0x150 [ 58.127997][ T5024] panic+0x686/0x730 [ 58.131905][ T5024] ? panic_smp_self_stop+0xa0/0xa0 [ 58.137028][ T5024] ? show_trace_log_lvl+0x284/0x390 [ 58.142257][ T5024] ? blkdev_put+0x562/0x8a0 [ 58.146777][ T5024] check_panic_on_warn+0xb1/0xc0 [ 58.151732][ T5024] __warn+0xf2/0x390 [ 58.155639][ T5024] ? blkdev_put+0x562/0x8a0 [ 58.160157][ T5024] report_bug+0x2da/0x500 [ 58.164499][ T5024] handle_bug+0x3c/0x70 [ 58.168664][ T5024] exc_invalid_op+0x18/0x50 [ 58.173178][ T5024] asm_exc_invalid_op+0x1a/0x20 [ 58.178040][ T5024] RIP: 0010:blkdev_put+0x562/0x8a0 [ 58.183171][ T5024] 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 [ 58.202788][ T5024] RSP: 0018:ffffc90003b3fa28 EFLAGS: 00010293 [ 58.208861][ T5024] RAX: 0000000000000000 RBX: ffff888148c88b80 RCX: 0000000000000000 [ 58.216831][ T5024] RDX: ffff8880137cbb80 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 58.224805][ T5024] RBP: ffff8881401f0000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 58.232777][ T5024] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148c88bb8 [ 58.240749][ T5024] R13: ffffc90003b61000 R14: ffff8881401f0460 R15: ffff888148c88b80 [ 58.248734][ T5024] ? blkdev_put+0x562/0x8a0 [ 58.253261][ T5024] ? blkdev_put+0x562/0x8a0 [ 58.257784][ T5024] free_journal_ram+0x421/0x5c0 [ 58.262653][ T5024] journal_release+0x276/0x630 [ 58.267422][ T5024] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 58.274109][ T5024] ? do_raw_spin_unlock+0x175/0x230 [ 58.279334][ T5024] reiserfs_put_super+0xe4/0x5c0 [ 58.284284][ T5024] ? reiserfs_quota_read+0x4f0/0x4f0 [ 58.289584][ T5024] ? dispose_list+0x1e0/0x1e0 [ 58.294277][ T5024] ? fscrypt_destroy_keyring+0x1a/0x380 [ 58.299830][ T5024] ? reiserfs_quota_read+0x4f0/0x4f0 [ 58.305129][ T5024] generic_shutdown_super+0x158/0x480 [ 58.310516][ T5024] kill_block_super+0x64/0xb0 [ 58.315206][ T5024] deactivate_locked_super+0x98/0x160 [ 58.320590][ T5024] deactivate_super+0xb1/0xd0 [ 58.325282][ T5024] cleanup_mnt+0x2ae/0x3d0 [ 58.329710][ T5024] task_work_run+0x16f/0x270 [ 58.334308][ T5024] ? task_work_cancel+0x30/0x30 [ 58.339165][ T5024] ? __put_net+0x61/0x70 [ 58.343434][ T5024] do_exit+0xadc/0x2a30 [ 58.347597][ T5024] ? lock_downgrade+0x690/0x690 [ 58.352475][ T5024] ? do_raw_spin_lock+0x124/0x2b0 [ 58.357524][ T5024] ? mm_update_next_owner+0x7b0/0x7b0 [ 58.362906][ T5024] ? spin_bug+0x1c0/0x1c0 [ 58.367250][ T5024] ? _raw_spin_unlock_irq+0x23/0x50 [ 58.372461][ T5024] do_group_exit+0xd4/0x2a0 [ 58.376977][ T5024] __x64_sys_exit_group+0x3e/0x50 [ 58.382009][ T5024] do_syscall_64+0x39/0xb0 [ 58.386437][ T5024] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.392343][ T5024] RIP: 0033:0x7f60bad009c9 [ 58.396758][ T5024] Code: Unable to access opcode bytes at 0x7f60bad0099f. [ 58.403771][ T5024] RSP: 002b:00007fffb1766ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 58.412189][ T5024] RAX: ffffffffffffffda RBX: 00007f60bad77330 RCX: 00007f60bad009c9 [ 58.420163][ T5024] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 58.428133][ T5024] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 58.436104][ T5024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f60bad77330 [ 58.444075][ T5024] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 58.452062][ T5024] [ 58.455212][ T5024] Kernel Offset: disabled [ 58.459607][ T5024] Rebooting in 86400 seconds..