------------[ cut here ]------------ WARNING: drivers/virtio/virtio.c:378 at virtio_dev_remove+0x194/0x1b4 drivers/virtio/virtio.c:378, CPU#0: syz.9.817/9104 Modules linked in: CPU: 0 UID: 0 PID: 9104 Comm: syz.9.817 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : virtio_dev_remove+0x194/0x1b4 drivers/virtio/virtio.c:378 lr : virtio_dev_remove+0x194/0x1b4 drivers/virtio/virtio.c:378 sp : ffff8000945374c0 x29: ffff8000945374c0 x28: 1fffe000189fd41b x27: 1fffe000189fd41a x26: ffff0000c4fea0d0 x25: 1fffe000189fd41d x24: ffff8000891e2fc0 x23: 1fffe000189fd4ad x22: ffff0000c4fea568 x21: dfff800000000000 x20: 00000000000000ff x19: ffff0000c4fea088 x18: 00000000ffffffff x17: 0000000000000003 x16: ffff800088a77000 x15: ffff800080c8baec x14: 0000000000000001 x13: 0000000000000001 x12: 0000000000000003 x11: ffff80008a527e28 x10: 0000000000080000 x9 : 0000000000020bbd x8 : ffff8000985f9000 x7 : 0000000000000000 x6 : ffff80008016662c x5 : ffff0000fb365ce8 x4 : 0000000000000008 x3 : ffff800081fc00b8 x2 : 00000000000000ff x1 : ffff0000f63e3b00 x0 : 0000000000000001 Call trace: virtio_dev_remove+0x194/0x1b4 drivers/virtio/virtio.c:378 (P) device_remove+0xc4/0x134 drivers/base/dd.c:616 __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x124/0x20c drivers/base/dd.c:1372 device_release_driver+0x28/0x38 drivers/base/dd.c:1395 bus_remove_device+0x2d0/0x400 drivers/base/bus.c:664 device_del+0x3ec/0x71c drivers/base/core.c:3965 device_unregister+0x2c/0xf0 drivers/base/core.c:4006 unregister_virtio_device+0x38/0x74 drivers/virtio/virtio.c:608 virtio_pci_remove+0x7c/0xf4 drivers/virtio/virtio_pci_common.c:760 pci_device_remove+0x9c/0x1ac drivers/pci/pci-driver.c:535 device_remove+0xc4/0x134 drivers/base/dd.c:616 __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x124/0x20c drivers/base/dd.c:1372 device_release_driver+0x28/0x38 drivers/base/dd.c:1395 pci_stop_dev drivers/pci/remove.c:27 [inline] pci_stop_bus_device+0x108/0x14c drivers/pci/remove.c:94 pci_stop_and_remove_bus_device+0x84/0xd0 drivers/pci/remove.c:129 pci_stop_and_remove_bus_device_locked+0x24/0x38 drivers/pci/remove.c:137 remove_store+0xdc/0x148 drivers/pci/pci-sysfs.c:524 dev_attr_store+0x6c/0x90 drivers/base/core.c:2509 sysfs_kf_write+0xe0/0x108 fs/sysfs/file.c:145 kernfs_fop_write_iter+0x260/0x3b8 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x51c/0xa0c fs/read_write.c:687 ksys_write+0x12c/0x228 fs/read_write.c:739 __do_sys_write fs/read_write.c:750 [inline] __se_sys_write fs/read_write.c:747 [inline] __arm64_sys_write+0x84/0x98 fs/read_write.c:747 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 irq event stamp: 3200 hardirqs last enabled at (3199): [] kasan_quarantine_put+0xb4/0x1c4 mm/kasan/quarantine.c:234 hardirqs last disabled at (3200): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:483 softirqs last enabled at (2764): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (2764): [] handle_softirqs+0xb2c/0xcbc kernel/softirq.c:673 softirqs last disabled at (2637): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]---