./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3908739643 <...> DUID 00:04:f8:32:f0:25:6b:f7:7b:d6:d2:5e:34:7f:1d:07:e3:4e forked to background, child pid 5487 [ 36.525622][ T5488] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.539854][ T5488] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.117' (ED25519) to the list of known hosts. execve("./syz-executor3908739643", ["./syz-executor3908739643"], 0x7ffc5e9b78c0 /* 10 vars */) = 0 brk(NULL) = 0x55555bddb000 brk(0x55555bddbd00) = 0x55555bddbd00 arch_prctl(ARCH_SET_FS, 0x55555bddb380) = 0 set_tid_address(0x55555bddb650) = 5818 set_robust_list(0x55555bddb660, 24) = 0 rseq(0x55555bddbca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3908739643", 4096) = 28 getrandom("\xd9\xc7\x9b\xaa\xc1\xaf\xb8\xe4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555bddbd00 brk(0x55555bdfcd00) = 0x55555bdfcd00 brk(0x55555bdfd000) = 0x55555bdfd000 mprotect(0x7f37b5053000, 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 5819 attached [pid 5819] set_robust_list(0x55555bddb660, 24 [pid 5818] <... clone resumed>, child_tidptr=0x55555bddb650) = 5819 [pid 5819] <... set_robust_list resumed>) = 0 [pid 5819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5819] getppid() = 0 [pid 5819] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5819] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5819] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5819] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5819] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5819] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5819] unshare(CLONE_NEWNS) = 0 [pid 5819] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5819] unshare(CLONE_NEWIPC) = 0 [pid 5819] unshare(CLONE_NEWCGROUP) = 0 [pid 5819] unshare(CLONE_NEWUTS) = 0 [pid 5819] unshare(CLONE_SYSVSEM) = 0 [pid 5819] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "16777216", 8) = 8 [pid 5819] close(3) = 0 [pid 5819] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "536870912", 9) = 9 [pid 5819] close(3) = 0 [pid 5819] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "1024", 4) = 4 [pid 5819] close(3) = 0 [pid 5819] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "8192", 4) = 4 [pid 5819] close(3) = 0 [pid 5819] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "1024", 4) = 4 [pid 5819] close(3) = 0 [pid 5819] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "1024", 4) = 4 [pid 5819] close(3) = 0 [pid 5819] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5819] close(3) = 0 [pid 5819] getpid() = 1 [pid 5819] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 58.701830][ T5819] RSP: 0018:ffffc900038a7b80 EFLAGS: 00010246 [ 58.707894][ T5819] RAX: 000000000000002f RBX: ffffffff8ee483e0 RCX: e744a73de539c200 [ 58.715861][ T5819] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 58.723820][ T5819] RBP: 1ffff1100b94bcf0 R08: ffffffff817f070c R09: 1ffff110170e519a [ 58.731780][ T5819] R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff88805ca5e668 [ 58.739746][ T5819] R13: dffffc0000000000 R14: ffffffff8c48bfd8 R15: ffff88805ca5e780 [ 58.747708][ T5819] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 58.756646][ T5819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.763217][ T5819] CR2: 00007f5a64795ed8 CR3: 0000000033df6000 CR4: 00000000003526f0 [ 58.771179][ T5819] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.779138][ T5819] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.787099][ T5819] Call Trace: [ 58.790368][ T5819] [ 58.793288][ T5819] ? __die_body+0x5f/0xb0 [ 58.797609][ T5819] ? die+0x9e/0xc0 [ 58.801321][ T5819] ? do_trap+0x15a/0x3a0 [ 58.805558][ T5819] ? generic_shutdown_super+0x2ca/0x2d0 [ 58.811100][ T5819] ? do_error_trap+0x1dc/0x2c0 [ 58.815861][ T5819] ? generic_shutdown_super+0x2ca/0x2d0 [ 58.821401][ T5819] ? lockdep_hardirqs_on+0x99/0x150 [ 58.826607][ T5819] ? __pfx_do_error_trap+0x10/0x10 [ 58.831716][ T5819] ? report_bug+0x3e8/0x500 [ 58.836212][ T5819] ? handle_invalid_op+0x34/0x40 [ 58.841140][ T5819] ? generic_shutdown_super+0x2ca/0x2d0 [ 58.846679][ T5819] ? exc_invalid_op+0x38/0x50 [ 58.851343][ T5819] ? asm_exc_invalid_op+0x1a/0x20 [ 58.856361][ T5819] ? __wake_up_klogd+0xcc/0x110 [ 58.861208][ T5819] ? generic_shutdown_super+0x2ca/0x2d0 [ 58.866750][ T5819] kill_block_super+0x44/0x90 [ 58.871422][ T5819] deactivate_locked_super+0xc4/0x130 [ 58.876784][ T5819] cleanup_mnt+0x41f/0x4b0 [ 58.881193][ T5819] ? lockdep_hardirqs_on+0x99/0x150 [ 58.886383][ T5819] task_work_run+0x24f/0x310 [ 58.890968][ T5819] ? __pfx_task_work_run+0x10/0x10 [ 58.896067][ T5819] ? do_exit+0xa2a/0x28e0 [ 58.900384][ T5819] ? do_exit+0xa2a/0x28e0 [ 58.904702][ T5819] do_exit+0xa2f/0x28e0 [ 58.908853][ T5819] ? __pfx_do_exit+0x10/0x10 [ 58.913432][ T5819] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 58.919400][ T5819] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 58.925718][ T5819] ? _raw_spin_unlock_irq+0x23/0x50 [ 58.930910][ T5819] ? lockdep_hardirqs_on+0x99/0x150 [ 58.936104][ T5819] do_group_exit+0x207/0x2c0 [ 58.940696][ T5819] __x64_sys_exit_group+0x3f/0x40 [ 58.945710][ T5819] x64_sys_call+0x26a8/0x26b0 [ 58.950383][ T5819] do_syscall_64+0xf3/0x230 [ 58.954880][ T5819] ? clear_bhb_loop+0x35/0x90 [ 58.959545][ T5819] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.965433][ T5819] RIP: 0033:0x7f37b4fd8a49 [ 58.969850][ T5819] Code: Unable to access opcode bytes at 0x7f37b4fd8a1f. [ 58.976945][ T5819] RSP: 002b:00007ffea08d72b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 58.985346][ T5819] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f37b4fd8a49 [ 58.993305][ T5819] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 59.001261][ T5819] RBP: 00007f37b50592b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 59.009220][ T5819] R10: 00007ffea08d71e0 R11: 0000000000000246 R12: 00007f37b50592b0 [ 59.017182][ T5819] R13: 0000000000000000 R14: 00007f37b505a020 R15: 00007f37b4fa6fa0 [ 59.025147][ T5819] [ 59.028153][ T5819] Modules linked in: [ 59.032199][ T5819] ---[ end trace 0000000000000000 ]--- [ 59.037992][ T5819] RIP: 0010:generic_shutdown_super+0x2ca/0x2d0 [ 59.046646][ T5819] Code: 1b 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 f9 46 ed ff 48 8b 13 48 c7 c7 40 1a 18 8c 4c 89 e6 e8 27 16 ed fe 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 59.066326][ T5819] RSP: 0018:ffffc900038a7b80 EFLAGS: 00010246 [ 59.072424][ T5819] RAX: 000000000000002f RBX: ffffffff8ee483e0 RCX: e744a73de539c200 [ 59.080460][ T5819] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 59.088481][ T5819] RBP: 1ffff1100b94bcf0 R08: ffffffff817f070c R09: 1ffff110170e519a [ 59.096511][ T5819] R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff88805ca5e668 [ 59.104535][ T5819] R13: dffffc0000000000 R14: ffffffff8c48bfd8 R15: ffff88805ca5e780 [ 59.112523][ T5819] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 59.121513][ T5819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.128148][ T5819] CR2: 00007f37b5057130 CR3: 000000000e736000 CR4: 00000000003526f0 [ 59.136191][ T5819] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.144212][ T5819] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.152211][ T5819] Kernel panic - not syncing: Fatal exception [ 59.158519][ T5819] Kernel Offset: disabled [ 59.162828][ T5819] Rebooting in 86400 seconds..