[LU-10166] Changelog reader crashes when closing the changelog

• Status: Resolved
• Project: Lustre
• Fix Version/s: Lustre 2.11.0, Lustre 2.10.2
• Type: Bug
• Priority: Minor
• Reporter: Henri Doreau (Inactive)
• Assignee: Henri Doreau (Inactive)
• Resolution: Fixed
• Labels: patch

Description

This has been observed on a changelog reader reaching the end of the log and closing the distribution device @/dev/changelog-lustre-MDT0000.

[...]
<4>[191138.657243] [<ffffffff81063338>] __wake_up+0x48/0x70
<4>[191138.663269] [<ffffffffa0bdcad6>] chlg_release+0x36/0x40 [mdc]
<4>[191138.670163] [<ffffffff8119b8b5>] __fput+0xf5/0x210
<4>[191138.675996] [<ffffffff8119b9f5>] fput+0x25/0x30
<4>[191138.681512] [<ffffffff81196b1d>] filp_close+0x5d/0x90
<4>[191138.687613] [<ffffffff81196bf5>] sys_close+0xa5/0x100
<4>[191138.693729] [<ffffffff8100b0d2>] system_call_fastpath+0x16/0x1b

Comments

[Gerrit Updater]

Henri Doreau ([e-mail]) uploaded a new patch: https://review.whamcloud.com/29818
Subject: LU-10166 mdc: invalid free in changelog reader
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: e6880e7ff250cfe3f43b188ad72634cd54981f3d

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch https://review.whamcloud.com/29818/
Subject: LU-10166 mdc: invalid free in changelog reader
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: 89e52326b5bd3d2716ce6ec5d9f9d787947d91a1

[Peter Jones]

Landed for 2.11

[Gerrit Updater]

James Nunez ([e-mail]) uploaded a new patch: https://review.whamcloud.com/30207
Subject: LU-10166 mdc: invalid free in changelog reader
Project: fs/lustre-release
Branch: b2_10
Current Patch Set: 1
Commit: fdb90fa58158ec537d28cdc49209bf530be21d2f

[Gerrit Updater]

John L. Hammond ([e-mail]) merged in patch https://review.whamcloud.com/30207/
Subject: LU-10166 mdc: invalid free in changelog reader
Project: fs/lustre-release
Branch: b2_10
Current Patch Set:
Commit: cdc9a2592a8fac58eee66c34399f8bfea013132c