8021q: adding VLAN 0 to HW filter on device batadv0 8021q: adding VLAN 0 to HW filter on device batadv0 ------------[ cut here ]------------ generic_make_request: Trying to write to read-only block-device loop0 (partno 0) 8021q: adding VLAN 0 to HW filter on device batadv0 WARNING: CPU: 1 PID: 7519 at block/blk-core.c:2177 bio_check_ro block/blk-core.c:2177 [inline] WARNING: CPU: 1 PID: 7519 at block/blk-core.c:2177 generic_make_request_checks+0x1fc5/0x24c0 block/blk-core.c:2282 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 7519 Comm: syz-executor653 Not tainted 4.19.80 #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+0x172/0x1f0 lib/dump_stack.c:113 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x53 kernel/panic.c:541 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x204/0x360 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:1037 RIP: 0010:bio_check_ro block/blk-core.c:2177 [inline] RIP: 0010:generic_make_request_checks+0x1fc5/0x24c0 block/blk-core.c:2282 Code: 85 1f 04 00 00 45 8b b6 e4 04 00 00 48 8d 73 a0 4c 89 e7 e8 0d 63 06 00 48 c7 c7 20 91 80 87 48 89 c6 44 89 f2 e8 89 ad 2f fe <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 80 3c 02 RSP: 0018:ffff88808abaf348 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88808abaf418 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81553f06 RDI: ffffed1011575e5b RBP: ffff88808abaf440 R08: ffff8880956bc700 R09: ffffed1015d25079 R10: ffffed1015d25078 R11: ffff8880ae9283c7 R12: ffff888083d6b840 R13: ffff888083d6b848 R14: 0000000000000000 R15: 0000000000000000 generic_make_request+0x24c/0x12d0 block/blk-core.c:2406 submit_bio+0xba/0x480 block/blk-core.c:2570 submit_bh_wbc+0x5dc/0x790 fs/buffer.c:3095 __block_write_full_page+0x76e/0x1010 fs/buffer.c:1766 block_write_full_page+0x21f/0x270 fs/buffer.c:2956 blkdev_writepage+0x25/0x30 fs/block_dev.c:581 __writepage+0x62/0xe0 mm/page-writeback.c:2308 write_cache_pages+0x971/0x1670 mm/page-writeback.c:2240 generic_writepages mm/page-writeback.c:2332 [inline] generic_writepages+0xe6/0x160 mm/page-writeback.c:2321 blkdev_writepages+0x1e/0x30 fs/block_dev.c:1965 do_writepages+0xf3/0x2a0 mm/page-writeback.c:2347 __filemap_fdatawrite_range+0x26d/0x340 mm/filemap.c:445 __filemap_fdatawrite mm/filemap.c:453 [inline] filemap_fdatawrite mm/filemap.c:458 [inline] filemap_write_and_wait mm/filemap.c:639 [inline] filemap_write_and_wait+0x47/0xd0 mm/filemap.c:634 __sync_blockdev fs/block_dev.c:463 [inline] sync_blockdev fs/block_dev.c:472 [inline] __blkdev_put+0x204/0x810 fs/block_dev.c:1797 blkdev_put+0x98/0x560 fs/block_dev.c:1866 blkdev_close+0x8b/0xb0 fs/block_dev.c:1873 __fput+0x2dd/0x8b0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x145/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x407f21 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 24 1a 00 00 c3 48 83 ec 08 e8 6a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 b3 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ffc4e7e46a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000407f21 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00000000006e59fc R08: 00000000004b1bd9 R09: 00000000004b1bd9 R10: 00000000004b1bd9 R11: 0000000000000293 R12: 00000000006e5a00 R13: 0000000000000001 R14: 000000000000002d R15: 20c49ba5e353f7cf Kernel Offset: disabled Rebooting in 86400 seconds..