------------[ cut here ]------------ kernel BUG at block/bio.c:1901! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 352 Comm: systemd-udevd Not tainted 5.4.125-syzkaller-00208-g013507ea12a6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:bio_split+0x17e/0x190 block/bio.c:1901 Code: ff ff ff 4c 89 e7 e8 61 f3 78 ff e9 55 ff ff ff 89 d9 80 e1 07 fe c1 38 c1 7c 8c 48 89 df e8 49 f3 78 ff eb 82 e8 92 33 4a ff <0f> 0b e8 8b 33 4a ff 0f 0b 66 0f 1f 84 00 00 00 00 00 55 41 57 41 RSP: 0018:ffff8881e6ac6de8 EFLAGS: 00010293 RAX: ffffffff821b1c0e RBX: 0000000000000000 RCX: ffff8881e62c3f00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: ffffffff821b1ab6 R09: ffff8881e6ac6f20 R10: ffffed103cd58de6 R11: 0000000000000000 R12: ffff8881ec146140 R13: dffffc0000000000 R14: ffff8881f0409728 R15: 0000000000000c00 FS: 00007fa99e9438c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff0050dbd8 CR3: 00000001e5dd5000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __blk_queue_split+0xf3b/0x1580 block/blk-merge.c:281 blk_mq_make_request+0x1cf/0x2290 block/blk-mq.c:1996 generic_make_request+0x3d3/0xda0 block/blk-core.c:1076 submit_bio+0x146/0x5d0 block/blk-core.c:1203 mpage_bio_submit+0x2b5/0x500 fs/mpage.c:102 mpage_readpages+0x47c/0x500 fs/mpage.c:446 read_pages+0x118/0x400 mm/readahead.c:126 __do_page_cache_readahead+0x470/0x510 mm/readahead.c:212 force_page_cache_readahead mm/readahead.c:243 [inline] page_cache_sync_readahead+0x339/0x3b0 mm/readahead.c:522 generic_file_buffered_read mm/filemap.c:2070 [inline] generic_file_read_iter+0x676/0x2120 mm/filemap.c:2343 blkdev_read_iter+0x12a/0x180 fs/block_dev.c:2043 call_read_iter include/linux/fs.h:1965 [inline] new_sync_read fs/read_write.c:414 [inline] __vfs_read+0x5e9/0x770 fs/read_write.c:427 vfs_read+0x161/0x370 fs/read_write.c:461 ksys_read+0x186/0x2b0 fs/read_write.c:587 do_syscall_64+0xcb/0x1e0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fa99da89210 Code: 73 01 c3 48 8b 0d 98 7d 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d b9 c1 20 00 00 75 10 b8 00 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 4e fc ff ff 48 89 04 24 RSP: 002b:00007fff00510db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 000055b150900fa0 RCX: 00007fa99da89210 RDX: 0000000000000100 RSI: 000055b150900fc8 RDI: 000000000000000f RBP: 000055b1508f7a10 R08: 0000000000000000 R09: 0000000000000130 R10: 000055b150900fb8 R11: 0000000000000246 R12: 0000000000000000 R1