./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3722439212 <...> no interfaces have a carrier [ 31.381485][ T4693] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.394143][ T4693] eql: remember to turn off Van-Jacobson compression on your slave devices [ 31.554385][ T4765] ssh-keygen (4765) used greatest stack depth: 22336 bytes left Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.41' (ECDSA) to the list of known hosts. execve("./syz-executor3722439212", ["./syz-executor3722439212"], 0x7ffc0b7cf670 /* 10 vars */) = 0 brk(NULL) = 0x555556bf1000 brk(0x555556bf1c40) = 0x555556bf1c40 arch_prctl(ARCH_SET_FS, 0x555556bf1300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3722439212", 4096) = 28 brk(0x555556c12c40) = 0x555556c12c40 brk(0x555556c13000) = 0x555556c13000 mprotect(0x7f2437c1a000, 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=0x555556bf15d0) = 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 [ 55.614314][ T5025] RSP: 0018:ffffc90003a5fa28 EFLAGS: 00010293 [ 55.620464][ T5025] RAX: 0000000000000000 RBX: ffff888148c50000 RCX: 0000000000000000 [ 55.628505][ T5025] RDX: ffff888014f95940 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 55.636576][ T5025] RBP: ffff888141311000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 55.644642][ T5025] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148c50038 [ 55.652782][ T5025] R13: ffffc90003a71000 R14: ffff888141311460 R15: ffff888148c50000 [ 55.660860][ T5025] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 55.669897][ T5025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.676485][ T5025] CR2: 00007f2437bee6f8 CR3: 000000000c775000 CR4: 00000000003506e0 [ 55.684528][ T5025] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.692562][ T5025] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.700582][ T5025] Call Trace: [ 55.703865][ T5025] [ 55.706790][ T5025] ? __warn+0xe6/0x390 [ 55.710925][ T5025] ? blkdev_put+0x562/0x8a0 [ 55.715454][ T5025] ? report_bug+0x2da/0x500 [ 55.720017][ T5025] ? handle_bug+0x3c/0x70 [ 55.724381][ T5025] ? exc_invalid_op+0x18/0x50 [ 55.729155][ T5025] ? asm_exc_invalid_op+0x1a/0x20 [ 55.734212][ T5025] ? blkdev_put+0x562/0x8a0 [ 55.738771][ T5025] ? blkdev_put+0x562/0x8a0 [ 55.743302][ T5025] ? blkdev_put+0x562/0x8a0 [ 55.747808][ T5025] free_journal_ram+0x421/0x5c0 [ 55.752762][ T5025] journal_release+0x276/0x630 [ 55.757547][ T5025] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 55.764271][ T5025] ? do_raw_spin_unlock+0x175/0x230 [ 55.769552][ T5025] reiserfs_put_super+0xe4/0x5c0 [ 55.774583][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 55.779922][ T5025] ? dispose_list+0x1e0/0x1e0 [ 55.784632][ T5025] ? fscrypt_destroy_keyring+0x1a/0x380 [ 55.790277][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 55.795690][ T5025] generic_shutdown_super+0x158/0x480 [ 55.801154][ T5025] kill_block_super+0x64/0xb0 [ 55.805872][ T5025] deactivate_locked_super+0x98/0x160 [ 55.811356][ T5025] deactivate_super+0xb1/0xd0 [ 55.816057][ T5025] cleanup_mnt+0x2ae/0x3d0 [ 55.820522][ T5025] task_work_run+0x16f/0x270 [ 55.825133][ T5025] ? task_work_cancel+0x30/0x30 [ 55.830047][ T5025] ? __put_net+0x61/0x70 [ 55.834315][ T5025] do_exit+0xadc/0x2a30 [ 55.838536][ T5025] ? lock_downgrade+0x690/0x690 [ 55.843408][ T5025] ? do_raw_spin_lock+0x124/0x2b0 [ 55.848499][ T5025] ? mm_update_next_owner+0x7b0/0x7b0 [ 55.853887][ T5025] ? spin_bug+0x1c0/0x1c0 [ 55.858270][ T5025] ? _raw_spin_unlock_irq+0x23/0x50 [ 55.863487][ T5025] do_group_exit+0xd4/0x2a0 [ 55.868086][ T5025] __x64_sys_exit_group+0x3e/0x50 [ 55.873324][ T5025] do_syscall_64+0x39/0xb0 [ 55.877751][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 55.883705][ T5025] RIP: 0033:0x7f2437ba9cf9 [ 55.888188][ T5025] Code: Unable to access opcode bytes at 0x7f2437ba9ccf. [ 55.895234][ T5025] RSP: 002b:00007ffdeaac1748 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 55.903731][ T5025] RAX: ffffffffffffffda RBX: 00007f2437c203f0 RCX: 00007f2437ba9cf9 [ 55.911793][ T5025] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 55.919867][ T5025] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00000000000010f7 [ 55.927875][ T5025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2437c203f0 [ 55.935981][ T5025] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 55.944051][ T5025] [ 55.947084][ T5025] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 55.954353][ T5025] CPU: 1 PID: 5025 Comm: syz-executor372 Not tainted 6.4.0-rc6-next-20230616-syzkaller #0 [ 55.964230][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 55.974275][ T5025] Call Trace: [ 55.977540][ T5025] [ 55.980462][ T5025] dump_stack_lvl+0xd9/0x150 [ 55.985049][ T5025] panic+0x686/0x730 [ 55.988942][ T5025] ? panic_smp_self_stop+0xa0/0xa0 [ 55.994047][ T5025] ? show_trace_log_lvl+0x284/0x390 [ 55.999338][ T5025] ? blkdev_put+0x562/0x8a0 [ 56.003836][ T5025] check_panic_on_warn+0xb1/0xc0 [ 56.008771][ T5025] __warn+0xf2/0x390 [ 56.012657][ T5025] ? blkdev_put+0x562/0x8a0 [ 56.017151][ T5025] report_bug+0x2da/0x500 [ 56.021472][ T5025] handle_bug+0x3c/0x70 [ 56.025620][ T5025] exc_invalid_op+0x18/0x50 [ 56.030116][ T5025] asm_exc_invalid_op+0x1a/0x20 [ 56.034958][ T5025] RIP: 0010:blkdev_put+0x562/0x8a0 [ 56.040066][ 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 [ 56.059687][ T5025] RSP: 0018:ffffc90003a5fa28 EFLAGS: 00010293 [ 56.065766][ T5025] RAX: 0000000000000000 RBX: ffff888148c50000 RCX: 0000000000000000 [ 56.073747][ T5025] RDX: ffff888014f95940 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 56.081815][ T5025] RBP: ffff888141311000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 56.089790][ T5025] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148c50038 [ 56.097856][ T5025] R13: ffffc90003a71000 R14: ffff888141311460 R15: ffff888148c50000 [ 56.105845][ T5025] ? blkdev_put+0x562/0x8a0 [ 56.110386][ T5025] ? blkdev_put+0x562/0x8a0 [ 56.114975][ T5025] free_journal_ram+0x421/0x5c0 [ 56.119879][ T5025] journal_release+0x276/0x630 [ 56.124678][ T5025] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 56.131378][ T5025] ? do_raw_spin_unlock+0x175/0x230 [ 56.136619][ T5025] reiserfs_put_super+0xe4/0x5c0 [ 56.141594][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 56.146919][ T5025] ? dispose_list+0x1e0/0x1e0 [ 56.151643][ T5025] ? fscrypt_destroy_keyring+0x1a/0x380 [ 56.157225][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 56.162553][ T5025] generic_shutdown_super+0x158/0x480 [ 56.167966][ T5025] kill_block_super+0x64/0xb0 [ 56.172688][ T5025] deactivate_locked_super+0x98/0x160 [ 56.178088][ T5025] deactivate_super+0xb1/0xd0 [ 56.182790][ T5025] cleanup_mnt+0x2ae/0x3d0 [ 56.187754][ T5025] task_work_run+0x16f/0x270 [ 56.192444][ T5025] ? task_work_cancel+0x30/0x30 [ 56.197676][ T5025] ? __put_net+0x61/0x70 [ 56.201953][ T5025] do_exit+0xadc/0x2a30 [ 56.206133][ T5025] ? lock_downgrade+0x690/0x690 [ 56.211007][ T5025] ? do_raw_spin_lock+0x124/0x2b0 [ 56.216062][ T5025] ? mm_update_next_owner+0x7b0/0x7b0 [ 56.221446][ T5025] ? spin_bug+0x1c0/0x1c0 [ 56.225797][ T5025] ? _raw_spin_unlock_irq+0x23/0x50 [ 56.231016][ T5025] do_group_exit+0xd4/0x2a0 [ 56.235532][ T5025] __x64_sys_exit_group+0x3e/0x50 [ 56.240566][ T5025] do_syscall_64+0x39/0xb0 [ 56.245002][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.250914][ T5025] RIP: 0033:0x7f2437ba9cf9 [ 56.255336][ T5025] Code: Unable to access opcode bytes at 0x7f2437ba9ccf. [ 56.262357][ T5025] RSP: 002b:00007ffdeaac1748 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 56.270781][ T5025] RAX: ffffffffffffffda RBX: 00007f2437c203f0 RCX: 00007f2437ba9cf9 [ 56.278759][ T5025] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 56.286733][ T5025] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00000000000010f7 [ 56.294711][ T5025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2437c203f0 [ 56.302690][ T5025] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 56.310785][ T5025] [ 56.314288][ T5025] Kernel Offset: disabled [ 56.318821][ T5025] Rebooting in 86400 seconds..