WARNING: CPU: 1 PID: 14459 at fs/ext4/page-io.c:206 ext4_add_complete_io fs/ext4/page-io.c:206 [inline] WARNING: CPU: 1 PID: 14459 at fs/ext4/page-io.c:206 ext4_put_io_end_defer+0x43c/0x560 fs/ext4/page-io.c:269 kobject: 'erspan0' (000000000a6863ad): kobject_add_internal: parent: 'net', set: 'devices' Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 14459 Comm: syz-executor3 Not tainted 4.19.0-rc5-next-20180928+ #84 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1d3/0x2c4 lib/dump_stack.c:113 panic+0x238/0x4e7 kernel/panic.c:184 __warn.cold.8+0x163/0x1ba kernel/panic.c:536 report_bug+0x254/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 kobject: 'erspan0' (000000000a6863ad): kobject_uevent_env do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:969 RIP: 0010:ext4_add_complete_io fs/ext4/page-io.c:206 [inline] RIP: 0010:ext4_put_io_end_defer+0x43c/0x560 fs/ext4/page-io.c:269 kobject: 'erspan0' (000000000a6863ad): fill_kobj_path: path = '/devices/virtual/net/erspan0' Code: 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 2a 01 00 00 49 83 bf e0 02 00 00 00 0f 84 d8 fd ff ff e8 64 96 5c ff <0f> 0b e9 cc fd ff ff e8 c8 4a a0 ff e9 81 fc ff ff 48 89 b5 30 ff RSP: 0018:ffff8801daf07108 EFLAGS: 00010006 RAX: ffff880182e5c480 RBX: ffff88017d150a80 RCX: ffffffff8220cec7 RDX: 0000000000010000 RSI: ffffffff8220d1ec RDI: ffff8801c9fd6e60 RBP: ffff8801daf071f8 R08: ffff880182e5c480 R09: ffffed002fa2a155 R10: ffffed002fa2a155 R11: ffff88017d150aaf R12: 1ffff1003b5e0e26 R13: ffff8801b8e36470 R14: ffff8801daf071d0 R15: ffff8801c9fd6b80 kobject: 'queues' (00000000c46d3a3d): kobject_add_internal: parent: 'erspan0', set: '' kobject: 'queues' (00000000c46d3a3d): kobject_uevent_env ext4_end_bio+0x243/0x6e0 fs/ext4/page-io.c:335 kobject: 'queues' (00000000c46d3a3d): kobject_uevent_env: filter function caused the event to drop! bio_endio+0x5ca/0xb60 block/bio.c:1775 kobject: 'rx-0' (00000000cfda2200): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000cfda2200): kobject_uevent_env req_bio_endio block/blk-core.c:278 [inline] blk_update_request+0x3b8/0xcb0 block/blk-core.c:3075 kobject: 'rx-0' (00000000cfda2200): fill_kobj_path: path = '/devices/virtual/net/erspan0/queues/rx-0' scsi_end_request+0xde/0x860 drivers/scsi/scsi_lib.c:673 scsi_io_completion+0x2ce/0x1ca0 drivers/scsi/scsi_lib.c:1093 kobject: 'tx-0' (00000000d0bca012): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000d0bca012): kobject_uevent_env scsi_finish_command+0x579/0x970 drivers/scsi/scsi.c:248 kobject: 'tx-0' (00000000d0bca012): fill_kobj_path: path = '/devices/virtual/net/erspan0/queues/tx-0' kobject: 'ip_vti0' (00000000926d0595): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'ip_vti0' (00000000926d0595): kobject_uevent_env scsi_softirq_done+0x465/0x520 drivers/scsi/scsi_lib.c:1737 __blk_mq_complete_request block/blk-mq.c:586 [inline] blk_mq_complete_request+0x2c2/0x550 block/blk-mq.c:623 kobject: 'ip_vti0' (00000000926d0595): fill_kobj_path: path = '/devices/virtual/net/ip_vti0' scsi_mq_done+0x108/0x460 drivers/scsi/scsi_lib.c:2048 kobject: 'queues' (00000000540f7b28): kobject_add_internal: parent: 'ip_vti0', set: '' virtscsi_complete_cmd+0x573/0x740 drivers/scsi/virtio_scsi.c:207 virtscsi_vq_done+0xcb/0x180 drivers/scsi/virtio_scsi.c:223 kobject: 'queues' (00000000540f7b28): kobject_uevent_env virtscsi_req_done+0xa7/0xd0 drivers/scsi/virtio_scsi.c:238 kobject: 'queues' (00000000540f7b28): kobject_uevent_env: filter function caused the event to drop! vring_interrupt+0x128/0x170 drivers/virtio/virtio_ring.c:950 __handle_irq_event_percpu+0x1e1/0xaf0 kernel/irq/handle.c:149 kobject: 'rx-0' (000000000045af24): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000000045af24): kobject_uevent_env kobject: 'rx-0' (000000000045af24): fill_kobj_path: path = '/devices/virtual/net/ip_vti0/queues/rx-0' handle_irq_event_percpu+0xa0/0x1d0 kernel/irq/handle.c:189 handle_irq_event+0xa7/0x135 kernel/irq/handle.c:206 kobject: 'tx-0' (0000000053b5f900): kobject_add_internal: parent: 'queues', set: 'queues' handle_edge_irq+0x227/0x880 kernel/irq/chip.c:791 generic_handle_irq_desc include/linux/irqdesc.h:154 [inline] handle_irq+0x252/0x3d8 arch/x86/kernel/irq_64.c:78 do_IRQ+0x98/0x1c0 arch/x86/kernel/irq.c:246 common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:582 kobject: 'tx-0' (0000000053b5f900): kobject_uevent_env RIP: 0010:compound_head include/linux/page-flags.h:143 [inline] RIP: 0010:PageSwapBacked include/linux/page-flags.h:298 [inline] RIP: 0010:PageSwapCache include/linux/page-flags.h:343 [inline] RIP: 0010:page_mapping+0x3a9/0xa50 mm/util.c:517 Code: 48 85 c0 0f 85 f6 03 00 00 e8 03 b1 d2 ff 48 8d 83 40 ff ff ff 48 ba 00 00 00 00 00 fc ff df 4d 8d 7e 08 48 89 c1 48 c1 e9 03 04 11 00 4c 89 f9 48 c1 e9 03 80 3c 11 00 0f 85 27 05 00 00 48 RSP: 0018:ffff880186d26940 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffffdb kobject: 'tx-0' (0000000053b5f900): fill_kobj_path: path = '/devices/virtual/net/ip_vti0/queues/tx-0' RAX: ffff880186d26a30 RBX: ffff880186d26af0 RCX: 1ffff10030da4d46 RDX: dffffc0000000000 RSI: ffffffff81aab74d RDI: 0000000000000007 RBP: ffff880186d26b18 R08: ffff880182e5c480 R09: fffffbfff1242453 R10: fffffbfff1242453 R11: ffffffff8921229b R12: ffffea0006a23f00 R13: 1ffff10030da4d2a R14: ffffea0006a23f00 R15: ffffea0006a23f08 kobject: 'ip6_vti0' (00000000f2fa641d): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'ip6_vti0' (00000000f2fa641d): kobject_uevent_env clear_page_dirty_for_io+0xe5/0x1900 mm/page-writeback.c:2648 kobject: 'ip6_vti0' (00000000f2fa641d): fill_kobj_path: path = '/devices/virtual/net/ip6_vti0' kobject: 'queues' (00000000c0d3ba26): kobject_add_internal: parent: 'ip6_vti0', set: '' kobject: 'queues' (00000000c0d3ba26): kobject_uevent_env mpage_submit_page+0x8d/0x270 fs/ext4/inode.c:2188 mpage_map_and_submit_buffers+0x55e/0xa40 fs/ext4/inode.c:2404 kobject: 'queues' (00000000c0d3ba26): kobject_uevent_env: filter function caused the event to drop! mpage_map_and_submit_extent fs/ext4/inode.c:2542 [inline] ext4_writepages+0x27bc/0x4100 fs/ext4/inode.c:2854 kobject: 'rx-0' (000000004b2ae2d9): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000004b2ae2d9): kobject_uevent_env kobject: 'rx-0' (000000004b2ae2d9): fill_kobj_path: path = '/devices/virtual/net/ip6_vti0/queues/rx-0' kobject: 'tx-0' (00000000c93118f8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000c93118f8): kobject_uevent_env kobject: 'tx-0' (00000000c93118f8): fill_kobj_path: path = '/devices/virtual/net/ip6_vti0/queues/tx-0' kobject: 'sit0' (000000004c4e066b): kobject_add_internal: parent: 'net', set: 'devices' do_writepages+0x9a/0x1a0 mm/page-writeback.c:2340 kobject: 'sit0' (000000004c4e066b): kobject_uevent_env __filemap_fdatawrite_range+0x364/0x4a0 mm/filemap.c:447 __filemap_fdatawrite mm/filemap.c:455 [inline] filemap_flush+0x23/0x30 mm/filemap.c:480 kobject: 'sit0' (000000004c4e066b): fill_kobj_path: path = '/devices/virtual/net/sit0' ext4_alloc_da_blocks+0x30b/0x4c0 fs/ext4/inode.c:3245 ext4_ind_migrate+0x5ac/0x6f0 fs/ext4/migrate.c:633 kobject: 'queues' (00000000254fb980): kobject_add_internal: parent: 'sit0', set: '' ext4_ioctl_setflags+0x72b/0x7d0 fs/ext4/ioctl.c:307 kobject: 'queues' (00000000254fb980): kobject_uevent_env ext4_ioctl+0xe2f/0x4210 fs/ext4/ioctl.c:670 kobject: 'queues' (00000000254fb980): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000005daa0a97): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000005daa0a97): kobject_uevent_env kobject: 'rx-0' (000000005daa0a97): fill_kobj_path: path = '/devices/virtual/net/sit0/queues/rx-0' kobject: 'tx-0' (000000000fbb0db4): kobject_add_internal: parent: 'queues', set: 'queues' vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685 kobject: 'tx-0' (000000000fbb0db4): kobject_uevent_env kobject: 'tx-0' (000000000fbb0db4): fill_kobj_path: path = '/devices/virtual/net/sit0/queues/tx-0' ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702 __do_sys_ioctl fs/ioctl.c:709 [inline] __se_sys_ioctl fs/ioctl.c:707 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 kobject: 'ip6tnl0' (00000000df8af7e0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'ip6tnl0' (00000000df8af7e0): kobject_uevent_env entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457579 Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 kobject: 'ip6tnl0' (00000000df8af7e0): fill_kobj_path: path = '/devices/virtual/net/ip6tnl0' RSP: 002b:00007f0cd9d20c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579 RDX: 0000000020000140 RSI: 0000000040086602 RDI: 0000000000000003 RBP: 000000000072c0e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0cd9d216d4 R13: 00000000004bf6d8 R14: 00000000004cf5b0 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..