Confirmed. It still happens to me on Ubuntu 16.04 LTS amd64 with mdadm-3.3-2ubuntu7.2. I've also tried to upgrade to mdadm_3.4-4_amd64 from Zesty (https://launchpad.net/ubuntu/zesty/amd64/mdadm/3.4-4) with same results.
#> sudo mdadm --verbose --create /dev/md1 --level=mirror --raid-devices=2 --size=2790G --metadata=1.2 --name=startech-usb-enclosure-4bay-3Tb2 /dev/sdd /dev/sde mdadm: automatically enabling write-intent bitmap on large array *** buffer overflow detected ***: mdadm terminated ======= Backtrace: ========= /lib/x86_64-linux-gnu/libc.so.6(+0x777e5)[0x7fda092407e5] /lib/x86_64-linux-gnu/libc.so.6(__fortify_fail+0x5c)[0x7fda092e211c] /lib/x86_64-linux-gnu/libc.so.6(+0x117120)[0x7fda092e0120] /lib/x86_64-linux-gnu/libc.so.6(+0x116472)[0x7fda092df472] mdadm[0x433553] mdadm[0x41c1d7] mdadm[0x405951] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0)[0x7fda091e9830] mdadm[0x4085e9] ======= Memory map: ======== 00400000-00476000 r-xp 00000000 08:06 655416 /sbin/mdadm 00675000-00676000 r--p 00075000 08:06 655416 /sbin/mdadm 00676000-0067d000 rw-p 00076000 08:06 655416 /sbin/mdadm 0067d000-00691000 rw-p 00000000 00:00 0 01cd2000-01cf3000 rw-p 00000000 00:00 0 [heap] 7fda08fb3000-7fda08fc9000 r-xp 00000000 08:06 1574085 /lib/x86_64-linux-gnu/libgcc_s.so.1 7fda08fc9000-7fda091c8000 ---p 00016000 08:06 1574085 /lib/x86_64-linux-gnu/libgcc_s.so.1 7fda091c8000-7fda091c9000 rw-p 00015000 08:06 1574085 /lib/x86_64-linux-gnu/libgcc_s.so.1 7fda091c9000-7fda09389000 r-xp 00000000 08:06 1577429 /lib/x86_64-linux-gnu/libc-2.23.so 7fda09389000-7fda09589000 ---p 001c0000 08:06 1577429 /lib/x86_64-linux-gnu/libc-2.23.so 7fda09589000-7fda0958d000 r--p 001c0000 08:06 1577429 /lib/x86_64-linux-gnu/libc-2.23.so 7fda0958d000-7fda0958f000 rw-p 001c4000 08:06 1577429 /lib/x86_64-linux-gnu/libc-2.23.so 7fda0958f000-7fda09593000 rw-p 00000000 00:00 0 7fda09593000-7fda095b9000 r-xp 00000000 08:06 1577305 /lib/x86_64-linux-gnu/ld-2.23.so 7fda09726000-7fda0975b000 r--s 00000000 08:06 1055715 /var/cache/nscd/group 7fda0975b000-7fda09790000 r--s 00000000 08:06 1055115 /var/cache/nscd/passwd 7fda09790000-7fda09793000 rw-p 00000000 00:00 0 7fda097b5000-7fda097b8000 rw-p 00000000 00:00 0 7fda097b8000-7fda097b9000 r--p 00025000 08:06 1577305 /lib/x86_64-linux-gnu/ld-2.23.so 7fda097b9000-7fda097ba000 rw-p 00026000 08:06 1577305 /lib/x86_64-linux-gnu/ld-2.23.so 7fda097ba000-7fda097bb000 rw-p 00000000 00:00 0 7ffd337fd000-7ffd3381e000 rw-p 00000000 00:00 0 [stack] 7ffd3391f000-7ffd33921000 r--p 00000000 00:00 0 [vvar] 7ffd33921000-7ffd33923000 r-xp 00000000 00:00 0 [vdso] ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] Aborted (core dumped) #> sudo mdadm --verbose --create /dev/md1 --level=mirror --raid-devices=2 --size=2790G --metadata=1.2 --name=startech-usb-enclosure-4bay-v2 /dev/sdd /dev/sdemdadm: automatically enabling write-intent bitmap on large array mdadm: array /dev/md1 started. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1512554 Title: mdadm crash due to buffer overflow when device name is more than 30 chars To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/1512554/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
