ci2-upstream-fs/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-upstream-fs/syz-executor813949235 <...> no interfaces have a carrier [ 52.217075][ T5260] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.246761][ T5260] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.74' (ED25519) to the list of known hosts. execve("ci2-upstream-fs/syz-executor813949235", ["ci2-upstream-fs/syz-executor813949235"], 0x7ffdf5e33780 /* 10 vars */) = 0 brk(NULL) = 0x55558c9f9000 brk(0x55558c9f9d80) = 0x55558c9f9d80 arch_prctl(ARCH_SET_FS, 0x55558c9f9400) = 0 set_tid_address(0x55558c9f96d0) = 5610 set_robust_list(0x55558c9f96e0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-upstream-fs/syz-executor813949235", 4096) = 43 getrandom("\x34\x5d\xe7\xf8\x0f\xc8\x93\xdc", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558c9f9d80 brk(0x55558ca1ad80) = 0x55558ca1ad80 brk(0x55558ca1b000) = 0x55558ca1b000 mprotect(0x7ff0e160c000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5611 attached [pid 5611] set_robust_list(0x55558c9f96e0, 24 [pid 5610] <... clone resumed>, child_tidptr=0x55558c9f96d0) = 5611 [pid 5611] <... set_robust_list resumed>) = 0 [pid 5610] rt_sigprocmask(SIG_SETMASK, [] [pid 5611] rt_sigprocmask(SIG_SETMASK, [] [pid 5610] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5611] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5611] setpgid(0, 0) = 0 [pid 5611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5611] write(3, "1000", 4) = 4 [pid 5611] close(3) = 0 [pid 5611] write(1, "executing program\n", 18) = 18 executing program [pid 5611] mkdir("sys", 0777) = 0 [pid 5611] mount(NULL, "sys", "sysfs", 0, NULL) = 0 [pid 5611] openat(AT_FDCWD, "sys/bus/pci/devices/0000:00:04.0/config", O_RDWR) = 3 syzkaller login: [ 81.000173][ T5611] ------------[ cut here ]------------ [ 81.000188][ T5611] dev->config->get_status(dev) [ 81.000224][ T5611] WARNING: drivers/virtio/virtio.c:378 at virtio_dev_remove+0x18b/0x1b0, CPU#0: syz-executor813/5611 [ 81.000281][ T5611] Modules linked in: [ 81.000313][ T5611] CPU: 0 UID: 0 PID: 5611 Comm: syz-executor813 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 81.000339][ T5611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 81.000354][ T5611] RIP: 0010:virtio_dev_remove+0x18b/0x1b0 [ 81.000374][ T5611] Code: 4c 89 f7 2e 2e 2e 41 ff d3 0c 01 0f b6 f0 4c 89 f7 4d 89 fb 5b 41 5c 41 5d 41 5e 41 5f 5d 2e e9 cb 7e c1 1a e8 96 50 87 fc 90 <0f> 0b 90 e9 6e ff ff ff 44 89 e9 80 e1 07 38 c1 0f 8c c2 fe ff ff [ 81.000390][ T5611] RSP: 0018:ffffc9000442f7d8 EFLAGS: 00010293 [ 81.000406][ T5611] RAX: ffffffff853e8a5a RBX: ffff888020bf46d0 RCX: ffff888038de1f00 [ 81.000421][ T5611] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 81.000432][ T5611] RBP: 00000000000000ff R08: 0000000000000000 R09: 0000000000000000 [ 81.000444][ T5611] R10: dffffc0000000000 R11: ffffffff8540e710 R12: 1ffff1100417e8da [ 81.000458][ T5611] R13: dffffc0000000000 R14: ffff888020bf4000 R15: ffffffff8bd67c98 [ 81.000473][ T5611] FS: 000055558c9f9400(0000) GS:ffff888125c41000(0000) knlGS:0000000000000000 [ 81.000490][ T5611] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.000503][ T5611] CR2: 00007fa521475368 CR3: 000000004597c000 CR4: 00000000003526f0 [ 81.000519][ T5611] Call Trace: [ 81.000526][ T5611] [ 81.000537][ T5611] ? __pfx_virtio_dev_remove+0x10/0x10 [ 81.000557][ T5611] device_release_driver_internal+0x48b/0x880 [ 81.000599][ T5611] bus_remove_device+0x449/0x560 [ 81.000626][ T5611] ? __pfx_bus_remove_device+0x10/0x10 [ 81.000648][ T5611] ? up_read+0x34/0x180 [ 81.000678][ T5611] ? kernfs_remove_by_name_ns+0x101/0x140 [ 81.000708][ T5611] device_del+0x528/0x8f0 [ 81.000746][ T5611] ? __pfx_device_del+0x10/0x10 [ 81.000780][ T5611] device_unregister+0x21/0xf0 [ 81.000806][ T5611] unregister_virtio_device+0x37/0x60 [ 81.000836][ T5611] virtio_pci_remove+0x7f/0xf0 [ 81.000864][ T5611] pci_device_remove+0x99/0x1c0 [ 81.000886][ T5611] ? __pfx_pci_device_remove+0x10/0x10 [ 81.000906][ T5611] device_release_driver_internal+0x48b/0x880 [ 81.000940][ T5611] pci_stop_bus_device+0xf6/0x120 [ 81.000969][ T5611] pci_stop_and_remove_bus_device_locked+0x77/0xb0 [ 81.000996][ T5611] remove_store+0xe5/0x150 [ 81.001026][ T5611] ? __pfx_remove_store+0x10/0x10 [ 81.001054][ T5611] ? sysfs_file_kobj+0x1e4/0x230 [ 81.001084][ T5611] ? sysfs_kf_write+0x166/0x260 [ 81.001106][ T5611] ? __pfx_sysfs_kf_write+0x10/0x10 [ 81.001129][ T5611] kernfs_fop_write_iter+0x3a5/0x540 [ 81.001162][ T5611] vfs_write+0x61e/0xbb0 [ 81.001197][ T5611] ? __pfx_vfs_write+0x10/0x10 [ 81.001226][ T5611] ? rt_spin_unlock+0x157/0x200 [ 81.001264][ T5611] ? rt_spin_unlock+0x163/0x200 [ 81.001312][ T5611] ksys_write+0x156/0x270 [ 81.001339][ T5611] ? __pfx_ksys_write+0x10/0x10 [ 81.001367][ T5611] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.001386][ T5611] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.001406][ T5611] do_syscall_64+0x174/0x580 [ 81.001427][ T5611] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.001447][ T5611] ? clear_bhb_loop+0x40/0x90 [ 81.001470][ T5611] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.001487][ T5611] RIP: 0033:0x7ff0e1579589 [ 81.001510][ T5611] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48 [ 81.001524][ T5611] RSP: 002b:00007fff978ba028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.001545][ T5611] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff0e1579589 [ 81.001558][ T5611] RDX: 0000000000000001 RSI: 0000200000000200 RDI: 0000000000000004 [ 81.001568][ T5611] RBP: 0000000000000001 R08: 0000000000000006 R09: 0000000000000006 [ 81.001578][ T5611] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fff978ba198 [ 81.001589][ T5611] R13: 431bde82d7b634db R14: 00007ff0e160cc40 R15: 0000000000000002 [ 81.001620][ T5611] [ 81.001629][ T5611] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 81.001643][ T5611] CPU: 0 UID: 0 PID: 5611 Comm: syz-executor813 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 81.001663][ T5611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 81.001673][ T5611] Call Trace: [ 81.001681][ T5611] [ 81.001689][ T5611] vpanic+0x56c/0xa60 [ 81.001709][ T5611] ? __pfx__printk+0x10/0x10 [ 81.001731][ T5611] ? __pfx_vpanic+0x10/0x10 [ 81.001748][ T5611] ? is_bpf_text_address+0x292/0x2b0 [ 81.001769][ T5611] ? is_bpf_text_address+0x26/0x2b0 [ 81.001800][ T5611] panic+0xc5/0xd0 [ 81.001818][ T5611] ? __pfx_panic+0x10/0x10 [ 81.001854][ T5611] __warn+0x315/0x4c0 [ 81.001871][ T5611] ? virtio_dev_remove+0x18b/0x1b0 [ 81.001893][ T5611] ? virtio_dev_remove+0x18b/0x1b0 [ 81.001909][ T5611] __report_bug+0x276/0x570 [ 81.001930][ T5611] ? do_syscall_64+0x174/0x580 [ 81.001951][ T5611] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.001971][ T5611] ? virtio_dev_remove+0x18b/0x1b0 [ 81.001989][ T5611] ? __pfx___report_bug+0x10/0x10 [ 81.002021][ T5611] ? virtio_dev_remove+0x18b/0x1b0 [ 81.002035][ T5611] report_bug+0x16a/0x220 [ 81.002054][ T5611] ? virtio_dev_remove+0x18b/0x1b0 [ 81.002067][ T5611] ? virtio_dev_remove+0x18d/0x1b0 [ 81.002081][ T5611] handle_bug+0x9c/0x200 [ 81.002102][ T5611] exc_invalid_op+0x1a/0x50 [ 81.002122][ T5611] asm_exc_invalid_op+0x1a/0x20 [ 81.002143][ T5611] RIP: 0010:virtio_dev_remove+0x18b/0x1b0 [ 81.002158][ T5611] Code: 4c 89 f7 2e 2e 2e 41 ff d3 0c 01 0f b6 f0 4c 89 f7 4d 89 fb 5b 41 5c 41 5d 41 5e 41 5f 5d 2e e9 cb 7e c1 1a e8 96 50 87 fc 90 <0f> 0b 90 e9 6e ff ff ff 44 89 e9 80 e1 07 38 c1 0f 8c c2 fe ff ff [ 81.002169][ T5611] RSP: 0018:ffffc9000442f7d8 EFLAGS: 00010293 [ 81.002182][ T5611] RAX: ffffffff853e8a5a RBX: ffff888020bf46d0 RCX: ffff888038de1f00 [ 81.002193][ T5611] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 81.002202][ T5611] RBP: 00000000000000ff R08: 0000000000000000 R09: 0000000000000000 [ 81.002211][ T5611] R10: dffffc0000000000 R11: ffffffff8540e710 R12: 1ffff1100417e8da [ 81.002222][ T5611] R13: dffffc0000000000 R14: ffff888020bf4000 R15: ffffffff8bd67c98 [ 81.002237][ T5611] ? __pfx_vp_get_status+0x10/0x10 [ 81.002258][ T5611] ? virtio_dev_remove+0x18a/0x1b0 [ 81.002278][ T5611] ? virtio_dev_remove+0x18a/0x1b0 [ 81.002293][ T5611] ? __pfx_virtio_dev_remove+0x10/0x10 [ 81.002307][ T5611] device_release_driver_internal+0x48b/0x880 [ 81.002335][ T5611] bus_remove_device+0x449/0x560 [ 81.002356][ T5611] ? __pfx_bus_remove_device+0x10/0x10 [ 81.002374][ T5611] ? up_read+0x34/0x180 [ 81.002395][ T5611] ? kernfs_remove_by_name_ns+0x101/0x140 [ 81.002418][ T5611] device_del+0x528/0x8f0 [ 81.002453][ T5611] ? __pfx_device_del+0x10/0x10 [ 81.002480][ T5611] device_unregister+0x21/0xf0 [ 81.002501][ T5611] unregister_virtio_device+0x37/0x60 [ 81.002524][ T5611] virtio_pci_remove+0x7f/0xf0 [ 81.002546][ T5611] pci_device_remove+0x99/0x1c0 [ 81.002563][ T5611] ? __pfx_pci_device_remove+0x10/0x10 [ 81.002577][ T5611] device_release_driver_internal+0x48b/0x880 [ 81.002604][ T5611] pci_stop_bus_device+0xf6/0x120 [ 81.002626][ T5611] pci_stop_and_remove_bus_device_locked+0x77/0xb0 [ 81.002648][ T5611] remove_store+0xe5/0x150 [ 81.002671][ T5611] ? __pfx_remove_store+0x10/0x10 [ 81.002692][ T5611] ? sysfs_file_kobj+0x1e4/0x230 [ 81.002719][ T5611] ? sysfs_kf_write+0x166/0x260 [ 81.002736][ T5611] ? __pfx_sysfs_kf_write+0x10/0x10 [ 81.002749][ T5611] kernfs_fop_write_iter+0x3a5/0x540 [ 81.002774][ T5611] vfs_write+0x61e/0xbb0 [ 81.002800][ T5611] ? __pfx_vfs_write+0x10/0x10 [ 81.002822][ T5611] ? rt_spin_unlock+0x157/0x200 [ 81.002848][ T5611] ? rt_spin_unlock+0x163/0x200 [ 81.002878][ T5611] ksys_write+0x156/0x270 [ 81.002899][ T5611] ? __pfx_ksys_write+0x10/0x10 [ 81.002923][ T5611] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.002938][ T5611] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.002955][ T5611] do_syscall_64+0x174/0x580 [ 81.002972][ T5611] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.002988][ T5611] ? clear_bhb_loop+0x40/0x90 [ 81.003006][ T5611] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.003021][ T5611] RIP: 0033:0x7ff0e1579589 [ 81.003034][ T5611] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48 [ 81.003045][ T5611] RSP: 002b:00007fff978ba028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.003059][ T5611] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff0e1579589 [ 81.003069][ T5611] RDX: 0000000000000001 RSI: 0000200000000200 RDI: 0000000000000004 [ 81.003079][ T5611] RBP: 0000000000000001 R08: 0000000000000006 R09: 0000000000000006 [ 81.003087][ T5611] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fff978ba198 [ 81.003097][ T5611] R13: 431bde82d7b634db R14: 00007ff0e160cc40 R15: 0000000000000002 [ 81.003121][ T5611] [ 81.003368][ T5611] Kernel Offset: disabled