------------[ cut here ]------------ kernel BUG at block/bio.c:1902! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 407 Comm: udevd Not tainted 5.4.249-syzkaller-04712-g50533a8b511b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:bio_split+0x185/0x190 block/bio.c:1902 Code: ff ff ff 4c 89 e7 e8 7a ac 74 ff e9 51 ff ff ff 89 d9 80 e1 07 fe c1 38 c1 7c 8c 48 89 df e8 62 ac 74 ff eb 82 e8 ab ec 44 ff <0f> 0b e8 a4 ec 44 ff 0f 0b 66 90 55 41 57 41 56 41 54 53 41 89 d6 RSP: 0018:ffff8881dc476d88 EFLAGS: 00010293 RAX: ffffffff821f4965 RBX: ffff8881f0483870 RCX: ffff8881f31d2f40 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: ffffffff821f4806 R09: ffff8881dc476ec0 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881ef213000 R13: 0000000000000000 R14: ffff8881f0483aa0 R15: 0000000000000c00 FS: 00007efe1b82dc80(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe90377ce8 CR3: 00000001dc86b000 CR4: 00000000003406b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __blk_queue_split+0xe52/0x14f0 block/blk-merge.c:284 blk_mq_make_request+0x1ad/0x1e10 block/blk-mq.c:2044 generic_make_request+0x40c/0xc90 block/blk-core.c:1073 submit_bio+0x1bf/0x6d0 block/blk-core.c:1200 mpage_bio_submit+0xd0/0x5a0 fs/mpage.c:102 mpage_readpages+0x487/0x500 fs/mpage.c:446 read_pages+0x119/0x400 mm/readahead.c:126 __do_page_cache_readahead+0x448/0x4f0 mm/readahead.c:212 force_page_cache_readahead mm/readahead.c:243 [inline] page_cache_sync_readahead+0x3f0/0x460 mm/readahead.c:522 generic_file_buffered_read mm/filemap.c:2111 [inline] generic_file_read_iter+0x673/0x21f0 mm/filemap.c:2384 blkdev_read_iter+0x12a/0x180 fs/block_dev.c:2043 call_read_iter include/linux/fs.h:1975 [inline] new_sync_read fs/read_write.c:414 [inline] __vfs_read+0x5cd/0x730 fs/read_write.c:427 vfs_read+0x148/0x360 fs/read_write.c:461 ksys_read+0x199/0x2c0 fs/read_write.c:587 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x5c/0xc1 Modules linked in: ---[ end trace d117bb3c5fbc47b0 ]--- RIP: 0010:bio_split+0x185/0x190 block/bio.c:1902 Code: ff ff ff 4c 89 e7 e8 7a ac 74 ff e9 51 ff ff ff 89 d9 80 e1 07 fe c1 38 c1 7c 8c 48 89 df e8 62 ac 74 ff eb 82 e8 ab ec 44 ff <0f> 0b e8 a4 ec 44 ff 0f 0b 66 90 55 41 57 41 56 41 54 53 41 89 d6 RSP: 0018:ffff8881dc476d88 EFLAGS: 00010293 RAX: ffffffff821f4965 RBX: ffff8881f0483870 RCX: ffff8881f31d2f40 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: ffffffff821f4806 R09: ffff8881dc476ec0 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881ef213000 R13: 0000000000000000 R14: ffff8881f0483aa0 R15: 0000000000000c00 FS: 00007efe1b82dc80(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe90377ce8 CR3: 00000001dc86b000 CR4: 00000000003406b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400