netlink: 'syz-executor.5': attribute type 1 has an invalid length. ------------[ cut here ]------------ generic_make_request: Trying to write to read-only block-device sda (partno 0) WARNING: CPU: 1 PID: 25903 at block/blk-core.c:2183 bio_check_ro block/blk-core.c:2183 [inline] WARNING: CPU: 1 PID: 25903 at block/blk-core.c:2183 generic_make_request_checks+0x17d9/0x22e0 block/blk-core.c:2288 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 25903 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:bio_check_ro block/blk-core.c:2183 [inline] RIP: 0010:generic_make_request_checks+0x17d9/0x22e0 block/blk-core.c:2288 Code: ca 0a 00 00 45 8b b6 1c 05 00 00 48 8d 74 24 68 48 89 ef e8 b9 14 06 00 48 c7 c7 00 29 b2 88 48 89 c6 44 89 f2 e8 4c 94 91 04 <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 80 3c 02 RSP: 0018:ffff8880aed27280 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff8880ac165000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff814dff01 RDI: ffffed1015da4e42 RBP: ffff88809bfb6200 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff88809bfb6230 R13: ffff88809bfb6208 R14: 0000000000000000 R15: 0000000000000000 generic_make_request+0x23f/0xdf0 block/blk-core.c:2412 blk_queue_split+0x83e/0x1700 block/blk-merge.c:226 blk_mq_make_request+0x15d/0x1c00 block/blk-mq.c:1850 generic_make_request+0x613/0xdf0 block/blk-core.c:2467 submit_bio+0xb1/0x430 block/blk-core.c:2576 ext4_io_submit fs/ext4/page-io.c:356 [inline] io_submit_add_bh fs/ext4/page-io.c:396 [inline] ext4_bio_write_page+0xa5e/0x16c0 fs/ext4/page-io.c:515 mpage_submit_page+0x14b/0x250 fs/ext4/inode.c:2234 mpage_map_and_submit_buffers fs/ext4/inode.c:2431 [inline] mpage_map_and_submit_extent fs/ext4/inode.c:2569 [inline] ext4_writepages+0x20fc/0x37f0 fs/ext4/inode.c:2882 do_writepages+0xe5/0x290 mm/page-writeback.c:2344 __filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446 generic_fadvise+0x65e/0x730 mm/fadvise.c:116 vfs_fadvise mm/fadvise.c:187 [inline] ksys_fadvise64_64+0xf4/0x120 mm/fadvise.c:201 __x64_sys_fadvise64+0x93/0xf0 mm/fadvise.c:207 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f54837cb0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5481cda168 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd RAX: ffffffffffffffda RBX: 00007f54838eb1f0 RCX: 00007f54837cb0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000009 RBP: 00007f5483826ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd5030ee6f R14: 00007f5481cda300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..