./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor518200318 <...> Warning: Permanently added '10.128.1.28' (ECDSA) to the list of known hosts. execve("./syz-executor518200318", ["./syz-executor518200318"], 0x7ffe5823c560 /* 10 vars */) = 0 brk(NULL) = 0x55555724d000 brk(0x55555724dc40) = 0x55555724dc40 arch_prctl(ARCH_SET_FS, 0x55555724d300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor518200318", 4096) = 27 brk(0x55555726ec40) = 0x55555726ec40 brk(0x55555726f000) = 0x55555726f000 mprotect(0x7fe6bab40000, 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=0x55555724d5d0) = 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 [ 60.692130][ T5025] RSP: 0018:ffffc9000395fa28 EFLAGS: 00010293 [ 60.698658][ T5025] RAX: 0000000000000000 RBX: ffff888148d04500 RCX: 0000000000000000 [ 60.707136][ T5025] RDX: ffff888021f10000 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 60.715170][ T5025] RBP: ffff888140fc1000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 60.723159][ T5025] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148d04538 [ 60.731194][ T5025] R13: ffffc90003981000 R14: ffff888140fc1460 R15: ffff888148d04500 [ 60.739202][ T5025] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 60.748240][ T5025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.754887][ T5025] CR2: 00007fe6bab44140 CR3: 000000000c775000 CR4: 00000000003506e0 [ 60.762955][ T5025] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.771027][ T5025] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.779052][ T5025] Call Trace: [ 60.782331][ T5025] [ 60.785330][ T5025] ? __warn+0xe6/0x390 [ 60.789455][ T5025] ? blkdev_put+0x562/0x8a0 [ 60.794044][ T5025] ? report_bug+0x2da/0x500 [ 60.798672][ T5025] ? handle_bug+0x3c/0x70 [ 60.803034][ T5025] ? exc_invalid_op+0x18/0x50 [ 60.807799][ T5025] ? asm_exc_invalid_op+0x1a/0x20 [ 60.812861][ T5025] ? blkdev_put+0x562/0x8a0 [ 60.817478][ T5025] ? blkdev_put+0x562/0x8a0 [ 60.822031][ T5025] ? blkdev_put+0x562/0x8a0 [ 60.826673][ T5025] free_journal_ram+0x421/0x5c0 [ 60.831565][ T5025] journal_release+0x276/0x630 [ 60.836554][ T5025] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 60.843291][ T5025] ? do_raw_spin_unlock+0x175/0x230 [ 60.848670][ T5025] reiserfs_put_super+0xe4/0x5c0 [ 60.853648][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 60.858998][ T5025] ? dispose_list+0x1e0/0x1e0 [ 60.863707][ T5025] ? fscrypt_destroy_keyring+0x1a/0x380 [ 60.869332][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 60.874681][ T5025] generic_shutdown_super+0x158/0x480 [ 60.880059][ T5025] kill_block_super+0x64/0xb0 [ 60.884792][ T5025] deactivate_locked_super+0x98/0x160 [ 60.890189][ T5025] deactivate_super+0xb1/0xd0 [ 60.895454][ T5025] cleanup_mnt+0x2ae/0x3d0 [ 60.899895][ T5025] task_work_run+0x16f/0x270 [ 60.904583][ T5025] ? task_work_cancel+0x30/0x30 [ 60.909539][ T5025] ? __put_net+0x61/0x70 [ 60.913784][ T5025] do_exit+0xadc/0x2a30 [ 60.918039][ T5025] ? lock_downgrade+0x690/0x690 [ 60.923096][ T5025] ? do_raw_spin_lock+0x124/0x2b0 [ 60.928200][ T5025] ? mm_update_next_owner+0x7b0/0x7b0 [ 60.933603][ T5025] ? spin_bug+0x1c0/0x1c0 [ 60.938180][ T5025] ? _raw_spin_unlock_irq+0x23/0x50 [ 60.943460][ T5025] do_group_exit+0xd4/0x2a0 [ 60.948103][ T5025] __x64_sys_exit_group+0x3e/0x50 [ 60.953167][ T5025] do_syscall_64+0x39/0xb0 [ 60.957852][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.963783][ T5025] RIP: 0033:0x7fe6baacf9c9 [ 60.968276][ T5025] Code: Unable to access opcode bytes at 0x7fe6baacf99f. [ 60.975330][ T5025] RSP: 002b:00007fffbd70b9f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 60.983739][ T5025] RAX: ffffffffffffffda RBX: 00007fe6bab46330 RCX: 00007fe6baacf9c9 [ 60.991774][ T5025] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 60.999784][ T5025] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 61.007840][ T5025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe6bab46330 [ 61.016309][ T5025] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 61.024446][ T5025] [ 61.027481][ T5025] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 61.034763][ T5025] CPU: 1 PID: 5025 Comm: syz-executor518 Not tainted 6.4.0-rc6-next-20230616-syzkaller #0 [ 61.044648][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 61.054696][ T5025] Call Trace: [ 61.057964][ T5025] [ 61.060884][ T5025] dump_stack_lvl+0xd9/0x150 [ 61.065482][ T5025] panic+0x686/0x730 [ 61.069372][ T5025] ? panic_smp_self_stop+0xa0/0xa0 [ 61.074488][ T5025] ? show_trace_log_lvl+0x284/0x390 [ 61.079690][ T5025] ? blkdev_put+0x562/0x8a0 [ 61.084197][ T5025] check_panic_on_warn+0xb1/0xc0 [ 61.089159][ T5025] __warn+0xf2/0x390 [ 61.093080][ T5025] ? blkdev_put+0x562/0x8a0 [ 61.097632][ T5025] report_bug+0x2da/0x500 [ 61.101996][ T5025] handle_bug+0x3c/0x70 [ 61.106172][ T5025] exc_invalid_op+0x18/0x50 [ 61.110692][ T5025] asm_exc_invalid_op+0x1a/0x20 [ 61.115571][ T5025] RIP: 0010:blkdev_put+0x562/0x8a0 [ 61.120722][ 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 [ 61.140464][ T5025] RSP: 0018:ffffc9000395fa28 EFLAGS: 00010293 [ 61.146588][ T5025] RAX: 0000000000000000 RBX: ffff888148d04500 RCX: 0000000000000000 [ 61.154609][ T5025] RDX: ffff888021f10000 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 61.162591][ T5025] RBP: ffff888140fc1000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 61.170565][ T5025] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148d04538 [ 61.178560][ T5025] R13: ffffc90003981000 R14: ffff888140fc1460 R15: ffff888148d04500 [ 61.186544][ T5025] ? blkdev_put+0x562/0x8a0 [ 61.191078][ T5025] ? blkdev_put+0x562/0x8a0 [ 61.195604][ T5025] free_journal_ram+0x421/0x5c0 [ 61.200558][ T5025] journal_release+0x276/0x630 [ 61.205332][ T5025] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 61.212547][ T5025] ? do_raw_spin_unlock+0x175/0x230 [ 61.217794][ T5025] reiserfs_put_super+0xe4/0x5c0 [ 61.222788][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 61.228126][ T5025] ? dispose_list+0x1e0/0x1e0 [ 61.232837][ T5025] ? fscrypt_destroy_keyring+0x1a/0x380 [ 61.238519][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 61.243830][ T5025] generic_shutdown_super+0x158/0x480 [ 61.249253][ T5025] kill_block_super+0x64/0xb0 [ 61.253960][ T5025] deactivate_locked_super+0x98/0x160 [ 61.259394][ T5025] deactivate_super+0xb1/0xd0 [ 61.264103][ T5025] cleanup_mnt+0x2ae/0x3d0 [ 61.268537][ T5025] task_work_run+0x16f/0x270 [ 61.273137][ T5025] ? task_work_cancel+0x30/0x30 [ 61.277996][ T5025] ? __put_net+0x61/0x70 [ 61.282264][ T5025] do_exit+0xadc/0x2a30 [ 61.286484][ T5025] ? lock_downgrade+0x690/0x690 [ 61.291376][ T5025] ? do_raw_spin_lock+0x124/0x2b0 [ 61.296431][ T5025] ? mm_update_next_owner+0x7b0/0x7b0 [ 61.301817][ T5025] ? spin_bug+0x1c0/0x1c0 [ 61.306168][ T5025] ? _raw_spin_unlock_irq+0x23/0x50 [ 61.311414][ T5025] do_group_exit+0xd4/0x2a0 [ 61.316105][ T5025] __x64_sys_exit_group+0x3e/0x50 [ 61.321433][ T5025] do_syscall_64+0x39/0xb0 [ 61.325876][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.331810][ T5025] RIP: 0033:0x7fe6baacf9c9 [ 61.336342][ T5025] Code: Unable to access opcode bytes at 0x7fe6baacf99f. [ 61.343506][ T5025] RSP: 002b:00007fffbd70b9f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 61.351966][ T5025] RAX: ffffffffffffffda RBX: 00007fe6bab46330 RCX: 00007fe6baacf9c9 [ 61.359967][ T5025] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 61.367965][ T5025] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 61.375939][ T5025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe6bab46330 [ 61.383913][ T5025] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 61.391916][ T5025] [ 61.395091][ T5025] Kernel Offset: disabled [ 61.399497][ T5025] Rebooting in 86400 seconds..