Hi
I reproduced this failure on the latest linux-block/for-next, please
help check it and let me know if you need any infor/test, thanks.
Environment:
mdadm-4.3-7.fc43.x86_64
linux-block/for-next: 522390782310 (HEAD -> for-next, origin/for-next)
Merge branch 'for-6.17/io_uring' into for-next
Reproducer steps
# ./check md/001
md/001 (Raid with bitmap on tcp nvmet with opt-io-size over bitmap
size) [failed]
runtime 3.511s ... 5.924s
--- tests/md/001.out 2025-07-15 06:27:41.496610277 -0400
+++ /root/blktests/results/nodev/md/001.out.bad 2025-07-17
03:10:50.718820367 -0400
@@ -1,3 +1,9 @@
Running md/001
++ mdadm --quiet --create /dev/md/blktests_md --level=1
--bitmap=internal --bitmap-chunk=1024K --assume-clean --run
--raid-devices=2 /dev/nvme0n1 missing
+*** buffer overflow detected ***: terminated
+tests/md/001: line 69: 1835 Aborted (core
dumped) mdadm --quiet --create /dev/md/blktests_md --level=1
--bitmap=internal --bitmap-chunk=1024K --assume-clean --run
--raid-devices=2 /dev/"${ns}" missing
++ mdadm --quiet --stop /dev/md/blktests_md
+mdadm: error opening /dev/md/blktests_md: No such file or directory
++ set +x
...
(Run 'diff -u tests/md/001.out
/root/blktests/results/nodev/md/001.out.bad' to see the entire diff)
--
Best Regards,
Yi Zhang
