./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2868040262 <...> Warning: Permanently added '10.128.1.42' (ECDSA) to the list of known hosts. execve("./syz-executor2868040262", ["./syz-executor2868040262"], 0x7ffc01a7e170 /* 10 vars */) = 0 brk(NULL) = 0x555555e7e000 brk(0x555555e7ec40) = 0x555555e7ec40 arch_prctl(ARCH_SET_FS, 0x555555e7e300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2868040262", 4096) = 28 brk(0x555555e9fc40) = 0x555555e9fc40 brk(0x555555ea0000) = 0x555555ea0000 mprotect(0x7f07c6d8d000, 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 5025 attached , child_tidptr=0x555555e7e5d0) = 5025 [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 [ 55.766592][ T5025] RSP: 0018:ffffc90003b4fa28 EFLAGS: 00010293 [ 55.772685][ T5025] RAX: 0000000000000000 RBX: ffff888148d3b980 RCX: 0000000000000000 [ 55.780664][ T5025] RDX: ffff88801f001dc0 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 55.788680][ T5025] RBP: ffff88801f8d1000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 55.796686][ T5025] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148d3b9b8 [ 55.804715][ T5025] R13: ffffc90003b71000 R14: ffff88801f8d1460 R15: ffff888148d3b980 [ 55.812726][ T5025] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 55.821678][ T5025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.828326][ T5025] CR2: 00007f07c6d616e8 CR3: 000000000c775000 CR4: 00000000003506f0 [ 55.836330][ T5025] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.845643][ T5025] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.853640][ T5025] Call Trace: [ 55.856908][ T5025] [ 55.859824][ T5025] ? __warn+0xe6/0x390 [ 55.864023][ T5025] ? blkdev_put+0x562/0x8a0 [ 55.868556][ T5025] ? report_bug+0x2da/0x500 [ 55.873110][ T5025] ? handle_bug+0x3c/0x70 [ 55.877464][ T5025] ? exc_invalid_op+0x18/0x50 [ 55.882137][ T5025] ? asm_exc_invalid_op+0x1a/0x20 [ 55.887234][ T5025] ? blkdev_put+0x562/0x8a0 [ 55.891765][ T5025] ? blkdev_put+0x562/0x8a0 [ 55.896315][ T5025] ? blkdev_put+0x562/0x8a0 [ 55.900848][ T5025] free_journal_ram+0x421/0x5c0 [ 55.905770][ T5025] journal_release+0x276/0x630 [ 55.910551][ T5025] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 55.917263][ T5025] ? do_raw_spin_unlock+0x175/0x230 [ 55.922558][ T5025] reiserfs_put_super+0xe4/0x5c0 [ 55.927497][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 55.932837][ T5025] ? dispose_list+0x1e0/0x1e0 [ 55.937561][ T5025] ? fscrypt_destroy_keyring+0x1a/0x380 [ 55.943205][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 55.948519][ T5025] generic_shutdown_super+0x158/0x480 [ 55.953926][ T5025] kill_block_super+0x64/0xb0 [ 55.958623][ T5025] deactivate_locked_super+0x98/0x160 [ 55.964049][ T5025] deactivate_super+0xb1/0xd0 [ 55.968745][ T5025] cleanup_mnt+0x2ae/0x3d0 [ 55.973197][ T5025] task_work_run+0x16f/0x270 [ 55.977803][ T5025] ? task_work_cancel+0x30/0x30 [ 55.982703][ T5025] ? __put_net+0x61/0x70 [ 55.986979][ T5025] do_exit+0xadc/0x2a30 [ 55.991127][ T5025] ? lock_downgrade+0x690/0x690 [ 55.996020][ T5025] ? do_raw_spin_lock+0x124/0x2b0 [ 56.001070][ T5025] ? mm_update_next_owner+0x7b0/0x7b0 [ 56.006530][ T5025] ? spin_bug+0x1c0/0x1c0 [ 56.010892][ T5025] ? _raw_spin_unlock_irq+0x23/0x50 [ 56.016174][ T5025] do_group_exit+0xd4/0x2a0 [ 56.020711][ T5025] __x64_sys_exit_group+0x3e/0x50 [ 56.025800][ T5025] do_syscall_64+0x39/0xb0 [ 56.030240][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.036178][ T5025] RIP: 0033:0x7f07c6d1cce9 [ 56.040605][ T5025] Code: Unable to access opcode bytes at 0x7f07c6d1ccbf. [ 56.047693][ T5025] RSP: 002b:00007ffd2cd75b58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 56.056157][ T5025] RAX: ffffffffffffffda RBX: 00007f07c6d933f0 RCX: 00007f07c6d1cce9 [ 56.064213][ T5025] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 56.072225][ T5025] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00000000000010fc [ 56.080201][ T5025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f07c6d933f0 [ 56.088308][ T5025] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 56.096413][ T5025] [ 56.099432][ T5025] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 56.106693][ T5025] CPU: 0 PID: 5025 Comm: syz-executor286 Not tainted 6.4.0-rc6-next-20230616-syzkaller #0 [ 56.116569][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 56.126611][ T5025] Call Trace: [ 56.129873][ T5025] [ 56.132799][ T5025] dump_stack_lvl+0xd9/0x150 [ 56.137385][ T5025] panic+0x686/0x730 [ 56.141275][ T5025] ? panic_smp_self_stop+0xa0/0xa0 [ 56.146376][ T5025] ? show_trace_log_lvl+0x284/0x390 [ 56.151578][ T5025] ? blkdev_put+0x562/0x8a0 [ 56.156078][ T5025] check_panic_on_warn+0xb1/0xc0 [ 56.161009][ T5025] __warn+0xf2/0x390 [ 56.164899][ T5025] ? blkdev_put+0x562/0x8a0 [ 56.169401][ T5025] report_bug+0x2da/0x500 [ 56.173725][ T5025] handle_bug+0x3c/0x70 [ 56.177870][ T5025] exc_invalid_op+0x18/0x50 [ 56.182370][ T5025] asm_exc_invalid_op+0x1a/0x20 [ 56.187230][ T5025] RIP: 0010:blkdev_put+0x562/0x8a0 [ 56.192358][ 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 [ 56.211967][ T5025] RSP: 0018:ffffc90003b4fa28 EFLAGS: 00010293 [ 56.218041][ T5025] RAX: 0000000000000000 RBX: ffff888148d3b980 RCX: 0000000000000000 [ 56.226022][ T5025] RDX: ffff88801f001dc0 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 56.233998][ T5025] RBP: ffff88801f8d1000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 56.241974][ T5025] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148d3b9b8 [ 56.249950][ T5025] R13: ffffc90003b71000 R14: ffff88801f8d1460 R15: ffff888148d3b980 [ 56.257937][ T5025] ? blkdev_put+0x562/0x8a0 [ 56.262468][ T5025] ? blkdev_put+0x562/0x8a0 [ 56.266994][ T5025] free_journal_ram+0x421/0x5c0 [ 56.271884][ T5025] journal_release+0x276/0x630 [ 56.276656][ T5025] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 56.283353][ T5025] ? do_raw_spin_unlock+0x175/0x230 [ 56.288586][ T5025] reiserfs_put_super+0xe4/0x5c0 [ 56.293539][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 56.298848][ T5025] ? dispose_list+0x1e0/0x1e0 [ 56.303543][ T5025] ? fscrypt_destroy_keyring+0x1a/0x380 [ 56.309095][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 56.314395][ T5025] generic_shutdown_super+0x158/0x480 [ 56.319785][ T5025] kill_block_super+0x64/0xb0 [ 56.324492][ T5025] deactivate_locked_super+0x98/0x160 [ 56.329889][ T5025] deactivate_super+0xb1/0xd0 [ 56.334577][ T5025] cleanup_mnt+0x2ae/0x3d0 [ 56.339005][ T5025] task_work_run+0x16f/0x270 [ 56.343611][ T5025] ? task_work_cancel+0x30/0x30 [ 56.348470][ T5025] ? __put_net+0x61/0x70 [ 56.352735][ T5025] do_exit+0xadc/0x2a30 [ 56.356910][ T5025] ? lock_downgrade+0x690/0x690 [ 56.361773][ T5025] ? do_raw_spin_lock+0x124/0x2b0 [ 56.366819][ T5025] ? mm_update_next_owner+0x7b0/0x7b0 [ 56.372201][ T5025] ? spin_bug+0x1c0/0x1c0 [ 56.376548][ T5025] ? _raw_spin_unlock_irq+0x23/0x50 [ 56.381757][ T5025] do_group_exit+0xd4/0x2a0 [ 56.386270][ T5025] __x64_sys_exit_group+0x3e/0x50 [ 56.391299][ T5025] do_syscall_64+0x39/0xb0 [ 56.395736][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.401637][ T5025] RIP: 0033:0x7f07c6d1cce9 [ 56.406080][ T5025] Code: Unable to access opcode bytes at 0x7f07c6d1ccbf. [ 56.413102][ T5025] RSP: 002b:00007ffd2cd75b58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 56.421525][ T5025] RAX: ffffffffffffffda RBX: 00007f07c6d933f0 RCX: 00007f07c6d1cce9 [ 56.429506][ T5025] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 56.437482][ T5025] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00000000000010fc [ 56.445458][ T5025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f07c6d933f0 [ 56.453435][ T5025] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 56.461427][ T5025] [ 56.464599][ T5025] Kernel Offset: disabled [ 56.468997][ T5025] Rebooting in 86400 seconds..