[LU-12253] lfs: double free or corruption (!prev)

• Type: Bug
• Resolution: Fixed
• Priority: Blocker
• Fix Version/s: Lustre 2.13.0
• Affects Version/s: Lustre 2.13.0
• Severity: 3
• Assignee: WC Triage
• Reporter: Oleg Drokin

Description

current master has this problem in sanity-pfl (sanity-pfl test 6: Migrate composite file)

I suspect one of the recent lfs landings is the culprit?

run_suite sanity-pfl /home/green/git/lustre-release/lustre/tests/sanity-pfl.sh
*** Error in `/home/green/git/lustre-release/lustre/utils/lfs': double free or corruption (!prev): 0x0000000001b21990 ***
======= Backtrace: =========
/lib64/libc.so.6(+0x81489)[0x7f19b4458489]
/home/green/git/lustre-release/lustre/utils/lfs[0x42003a]
/home/green/git/lustre-release/lustre/utils/lfs[0x419af7]
/home/green/git/lustre-release/lustre/utils/lfs[0x41a2d6]
/home/green/git/lustre-release/lustre/utils/lfs[0x40f033]
/home/green/git/lustre-release/lustre/utils/lfs[0x429e91]
/home/green/git/lustre-release/lustre/utils/lfs[0x4031fe]
/lib64/libc.so.6(__libc_start_main+0xf5)[0x7f19b43f93d5]
/home/green/git/lustre-release/lustre/utils/lfs[0x4032fa]
======= Memory map: ========
00400000-00442000 r-xp 00000000 fd:00 1786                               /home/green/git/lustre-release/lustre/utils/lfs
00641000-00642000 r--p 00041000 fd:00 1786                               /home/green/git/lustre-release/lustre/utils/lfs
00642000-00643000 rw-p 00042000 fd:00 1786                               /home/green/git/lustre-release/lustre/utils/lfs
00643000-0064c000 rw-p 00000000 00:00 0 
01b07000-01b28000 rw-p 00000000 00:00 0                                  [heap]
7f19afdea000-7f19afdff000 r-xp 00000000 00:25 1049992                    /usr/lib64/libgcc_s-4.8.5-20150702.so.1
7f19afdff000-7f19afffe000 ---p 00015000 00:25 1049992                    /usr/lib64/libgcc_s-4.8.5-20150702.so.1
7f19afffe000-7f19affff000 r--p 00014000 00:25 1049992                    /usr/lib64/libgcc_s-4.8.5-20150702.so.1
7f19affff000-7f19b0000000 rw-p 00015000 00:25 1049992                    /usr/lib64/libgcc_s-4.8.5-20150702.so.1
7f19b0000000-7f19b0021000 rw-p 00000000 00:00 0 
7f19b0021000-7f19b4000000 ---p 00000000 00:00 0 
7f19b41d3000-7f19b41d5000 r-xp 00000000 00:25 1051404                    /usr/lib64/libdl-2.17.so
7f19b41d5000-7f19b43d5000 ---p 00002000 00:25 1051404                    /usr/lib64/libdl-2.17.so
7f19b43d5000-7f19b43d6000 r--p 00002000 00:25 1051404                    /usr/lib64/libdl-2.17.so
7f19b43d6000-7f19b43d7000 rw-p 00003000 00:25 1051404                    /usr/lib64/libdl-2.17.so
7f19b43d7000-7f19b4599000 r-xp 00000000 00:25 1051741                    /usr/lib64/libc-2.17.so
7f19b4599000-7f19b4799000 ---p 001c2000 00:25 1051741                    /usr/lib64/libc-2.17.so
7f19b4799000-7f19b479d000 r--p 001c2000 00:25 1051741                    /usr/lib64/libc-2.17.so
7f19b479d000-7f19b479f000 rw-p 001c6000 00:25 1051741                    /usr/lib64/libc-2.17.so
7f19b479f000-7f19b47a4000 rw-p 00000000 00:00 0 
7f19b47a4000-7f19b47a7000 r-xp 00000000 00:25 1050461                    /usr/lib64/libkeyutils.so.1.5
7f19b47a7000-7f19b49a6000 ---p 00003000 00:25 1050461                    /usr/lib64/libkeyutils.so.1.5
7f19b49a6000-7f19b49a7000 r--p 00002000 00:25 1050461                    /usr/lib64/libkeyutils.so.1.5
7f19b49a7000-7f19b49a8000 rw-p 00003000 00:25 1050461                    /usr/lib64/libkeyutils.so.1.5
7f19b49a8000-7f19b4aa9000 r-xp 00000000 00:25 1054169                    /usr/lib64/libm-2.17.so
7f19b4aa9000-7f19b4ca8000 ---p 00101000 00:25 1054169                    /usr/lib64/libm-2.17.so
7f19b4ca8000-7f19b4ca9000 r--p 00100000 00:25 1054169                    /usr/lib64/libm-2.17.so
7f19b4ca9000-7f19b4caa000 rw-p 00101000 00:25 1054169                    /usr/lib64/libm-2.17.so
7f19b4caa000-7f19b4cc9000 r-xp 00000000 00:25 1050150                    /usr/lib64/libyaml-0.so.2.0.4
7f19b4cc9000-7f19b4ec8000 ---p 0001f000 00:25 1050150                    /usr/lib64/libyaml-0.so.2.0.4
7f19b4ec8000-7f19b4ec9000 r--p 0001e000 00:25 1050150                    /usr/lib64/libyaml-0.so.2.0.4
7f19b4ec9000-7f19b4eca000 rw-p 0001f000 00:25 1050150                    /usr/lib64/libyaml-0.so.2.0.4
7f19b4eca000-7f19b4edf000 r-xp 00000000 00:25 1050148                    /usr/lib64/libz.so.1.2.7
7f19b4edf000-7f19b50de000 ---p 00015000 00:25 1050148                    /usr/lib64/libz.so.1.2.7
7f19b50de000-7f19b50df000 r--p 00014000 00:25 1050148                    /usr/lib64/libz.so.1.2.7
7f19b50df000-7f19b50e0000 rw-p 00015000 00:25 1050148                    /usr/lib64/libz.so.1.2.7
7f19b50e0000-7f19b5102000 r-xp 00000000 00:25 1053941                    /usr/lib64/ld-2.17.so
7f19b52f1000-7f19b52f6000 rw-p 00000000 00:00 0 
7f19b52fe000-7f19b5301000 rw-p 00000000 00:00 0 
7f19b5301000-7f19b5302000 r--p 00021000 00:25 1053941                    /usr/lib64/ld-2.17.so
7f19b5302000-7f19b5303000 rw-p 00022000 00:25 1053941                    /usr/lib64/ld-2.17.so
7f19b5303000-7f19b5304000 rw-p 00000000 00:00 0 
7ffcf6288000-7ffcf62aa000 rw-p 00000000 00:00 0                          [stack]
7ffcf6346000-7ffcf6348000 r-xp 00000000 00:00 0                          [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]

Issue Links

• is related to: LU-11367 integrate LSOM with lfs find