IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready ------------[ cut here ]------------ IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready generic_make_request: Trying to write to read-only block-device loop0 (partno 0) IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready WARNING: CPU: 1 PID: 6569 at block/blk-core.c:2161 bio_check_ro block/blk-core.c:2158 [inline] WARNING: CPU: 1 PID: 6569 at block/blk-core.c:2161 generic_make_request_checks+0xffe/0x1ea0 block/blk-core.c:2263 Kernel panic - not syncing: panic_on_warn set ... IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready CPU: 1 PID: 6569 Comm: syz-executor.1 Not tainted 4.18.0-rc7-syzkaller #0 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+0x109/0x15a lib/dump_stack.c:113 panic+0x1c6/0x36b kernel/panic.c:184 IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready 8021q: adding VLAN 0 to HW filter on device batadv0 kobject: 'vlan0' ((____ptrval____)): kobject_add_internal: parent: 'mesh', set: '' __warn.cold.8+0x120/0x168 kernel/panic.c:536 kobject: 'loop3' ((____ptrval____)): kobject_uevent_env report_bug+0x1a4/0x200 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x200/0x350 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:992 RIP: 0010:bio_check_ro block/blk-core.c:2158 [inline] RIP: 0010:generic_make_request_checks+0xffe/0x1ea0 block/blk-core.c:2263 Code: 48 8d b5 78 ff ff ff 4c 89 ff 89 95 40 kobject: 'loop3' ((____ptrval____)): fill_kobj_path: path = '/devices/virtual/block/loop3' ff ff ff e8 37 ca 05 00 8b 95 40 ff kobject: 'loop3' ((____ptrval____)): kobject_uevent_env ff ff 48 c7 c7 40 26 fc 86 48 89 c6 e8 b5 84 5e fe kobject: 'loop3' ((____ptrval____)): fill_kobj_path: path = '/devices/virtual/block/loop3' <0f> 0b kobject: 'loop3' ((____ptrval____)): kobject_uevent_env 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 80 kobject: 'loop3' ((____ptrval____)): fill_kobj_path: path = '/devices/virtual/block/loop3' 3c 02 RSP: 0018:ffff8800a62d71c8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 1ffff10014c5ae43 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff86fd9c80 RDI: ffffffff89a20120 RBP: ffff8800a62d72c0 R08: ffffed0015da4f99 R09: ffffed0015da4f98 R10: ffffed0015da4f98 R11: ffff8800aed27cc7 R12: ffff8800a44d0000 R13: ffff8800a1248e30 R14: ffff8800a1248e08 R15: ffff8800a1248e00 kobject: 'loop3' ((____ptrval____)): kobject_uevent_env kobject: 'loop3' ((____ptrval____)): fill_kobj_path: path = '/devices/virtual/block/loop3' generic_make_request+0x1c0/0xe30 block/blk-core.c:2387 kobject: 'loop3' ((____ptrval____)): kobject_uevent_env submit_bio+0x9f/0x400 block/blk-core.c:2552 kobject: 'loop3' ((____ptrval____)): fill_kobj_path: path = '/devices/virtual/block/loop3' submit_bh_wbc+0x4d1/0x700 fs/buffer.c:3076 __block_write_full_page+0x514/0xbd0 fs/buffer.c:1758 kobject: 'loop3' ((____ptrval____)): kobject_uevent_env block_write_full_page+0x1b1/0x240 fs/buffer.c:2944 blkdev_writepage+0x13/0x20 fs/block_dev.c:567 kobject: 'loop3' ((____ptrval____)): fill_kobj_path: path = '/devices/virtual/block/loop3' __writepage+0x56/0xb0 mm/page-writeback.c:2302 write_cache_pages+0x62d/0xfd0 mm/page-writeback.c:2240 generic_writepages+0xca/0x130 mm/page-writeback.c:2326 blkdev_writepages+0x9/0x10 fs/block_dev.c:1955 do_writepages+0xca/0x240 mm/page-writeback.c:2341 __filemap_fdatawrite_range+0x230/0x2f0 mm/filemap.c:445 __filemap_fdatawrite mm/filemap.c:453 [inline] filemap_fdatawrite mm/filemap.c:458 [inline] filemap_write_and_wait+0x2c/0x80 mm/filemap.c:617 kobject: 'loop3' ((____ptrval____)): kobject_uevent_env __sync_blockdev fs/block_dev.c:449 [inline] sync_blockdev fs/block_dev.c:458 [inline] set_blocksize+0x176/0x2b0 fs/block_dev.c:119 kobject: 'loop3' ((____ptrval____)): fill_kobj_path: path = '/devices/virtual/block/loop3' loop_set_fd drivers/block/loop.c:971 [inline] lo_ioctl+0xfb8/0x1b30 drivers/block/loop.c:1411 __blkdev_driver_ioctl block/ioctl.c:303 [inline] blkdev_ioctl+0x7a0/0x16d0 block/ioctl.c:601 kobject: 'loop3' ((____ptrval____)): kobject_uevent_env kobject: 'loop3' ((____ptrval____)): fill_kobj_path: path = '/devices/virtual/block/loop3' block_ioctl+0xd7/0x130 fs/block_dev.c:1881 IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x196/0x1050 fs/ioctl.c:684 IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready ksys_ioctl+0x62/0x90 fs/ioctl.c:701 IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready __do_sys_ioctl fs/ioctl.c:708 [inline] __se_sys_ioctl fs/ioctl.c:706 [inline] __x64_sys_ioctl+0x6e/0xb0 fs/ioctl.c:706 do_syscall_64+0xd0/0x4d0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready RIP: 0033:0x45a679 Code: ad b6 fb ff c3 66 2e 0f 1f IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready 0f 1f IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready 84 00 hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network 00 00 00 RSP: 002b:00007f1c8521fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a679 RDX: 0000000000000006 RSI: 0000000000004c00 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1c852206d4 R13: 00000000004c416b R14: 00000000004d8bc8 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..