IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 8021q: adding VLAN 0 to HW filter on device team0 ------------[ cut here ]------------ generic_make_request: Trying to write to read-only block-device loop0 (partno 0) WARNING: CPU: 0 PID: 6366 at block/blk-core.c:2170 bio_check_ro block/blk-core.c:2167 [inline] WARNING: CPU: 0 PID: 6366 at block/blk-core.c:2170 generic_make_request_checks+0xef9/0x26c0 block/blk-core.c:2272 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 6366 Comm: syz-executor0 Not tainted 4.20.0-rc5+ #265 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+0x244/0x39d lib/dump_stack.c:113 panic+0x2ad/0x55c kernel/panic.c:188 __warn.cold.8+0x20/0x45 kernel/panic.c:540 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 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:969 RIP: 0010:bio_check_ro block/blk-core.c:2167 [inline] RIP: 0010:generic_make_request_checks+0xef9/0x26c0 block/blk-core.c:2272 Code: 8b ad e4 04 00 00 4c 8d b5 78 ff ff ff 48 89 df 4c 89 f6 e8 29 94 07 00 48 c7 c7 60 30 5f 88 48 89 c6 44 89 ea e8 37 cb cf fd <0f> 0b e9 c1 f4 ff ff e8 1b 6b 06 fe e8 f6 42 f0 fd e8 11 6b 06 fe RSP: 0018:ffff8881b752eb60 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff8881cda7fc00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8165fbe5 RDI: 0000000000000005 RBP: ffff8881b752ee60 R08: ffff8881b7628040 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8881b7628040 R12: ffff8881cda7fc08 R13: 0000000000000000 R14: ffff8881b752edd8 R15: ffff8881d1972000 generic_make_request+0x2c7/0x18a0 block/blk-core.c:2395 submit_bio+0xba/0x460 block/blk-core.c:2560 submit_bh_wbc+0x5de/0x790 fs/buffer.c:3087 __block_write_full_page+0x93b/0x14a0 fs/buffer.c:1765 block_write_full_page+0x221/0x270 fs/buffer.c:2955 blkdev_writepage+0x24/0x30 fs/block_dev.c:567 __writepage+0x69/0xe0 mm/page-writeback.c:2289 write_cache_pages+0xc91/0x1e20 mm/page-writeback.c:2230 generic_writepages+0xda/0x150 mm/page-writeback.c:2313 blkdev_writepages+0x1d/0x30 fs/block_dev.c:1957 do_writepages+0x9a/0x1a0 mm/page-writeback.c:2328 __filemap_fdatawrite_range+0x364/0x4a0 mm/filemap.c:411 __filemap_fdatawrite mm/filemap.c:419 [inline] filemap_fdatawrite mm/filemap.c:424 [inline] filemap_write_and_wait+0x44/0xc0 mm/filemap.c:594 __sync_blockdev fs/block_dev.c:449 [inline] sync_blockdev fs/block_dev.c:458 [inline] set_blocksize+0x207/0x340 fs/block_dev.c:119 loop_set_fd drivers/block/loop.c:968 [inline] lo_ioctl+0x13ec/0x1d60 drivers/block/loop.c:1408 lo_compat_ioctl+0xbb/0x170 drivers/block/loop.c:1615 compat_blkdev_ioctl+0x3ca/0x1b30 block/compat_ioctl.c:406 __do_compat_sys_ioctl fs/compat_ioctl.c:1052 [inline] __se_compat_sys_ioctl fs/compat_ioctl.c:998 [inline] __ia32_compat_sys_ioctl+0x20e/0x630 fs/compat_ioctl.c:998 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f7ca29 Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000ffd3e8bc EFLAGS: 00000296 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000004c00 RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..