Hello, As part of the kernel research at ASU's SEFCOM lab, we hit the crash below. Crash reports can be found here:
https://github.com/farhad-alemi/public_bug_reports/tree/main/193-ubsan-shift-out-of-bounds-in-dm-integrity-map/ UBSAN: shift-out-of-bounds in drivers/md/dm-integrity.c:2106:52 shift exponent 138 is too large for 32-bit type 'unsigned int' Call Trace: dm_integrity_map+0xe14/0xfe0 drivers/md/dm-integrity.c:2106 __map_bio+0x5e8/0xa60 drivers/md/dm.c:1426 __split_and_process_bio drivers/md/dm.c:1760 [inline] dm_split_and_process_bio drivers/md/dm.c:2034 [inline] dm_submit_bio+0x73f/0x2900 drivers/md/dm.c:2090 __submit_bio+0x475/0x880 block/blk-core.c:644 submit_bio_noacct_nocheck+0x467/0x990 block/blk-core.c:755 __block_write_full_folio+0x7ee/0xdc0 fs/buffer.c:1830 blkdev_writepages+0xef/0x1b0 block/fops.c:486 Kernel panic - not syncing: UBSAN: panic_on_warn set ... Our reproducer.c is available upon request. Happy to test a patch if that would help. Regards,
