[LU-13324] NULL pointer dereference at vvp_page_delete+0x14/0x140 Created: 04/Mar/20  Updated: 19/Apr/20  Resolved: 31/Mar/20

Status: Resolved
Project: Lustre
Component/s: None
Affects Version/s: None
Fix Version/s: Lustre 2.14.0, Lustre 2.12.5

Type: Bug Priority: Minor
Reporter: Zhenyu Xu Assignee: Zhenyu Xu
Resolution: Fixed Votes: 0
Labels: None

Issue Links:
Related
Severity: 3
Rank (Obsolete): 9223372036854775807

 Description   

Page could be raced by truncate during its deletion by another thread, check vmpage mapping before accessing it.

 Comments   
Comment by Gerrit Updater [ 04/Mar/20 ]

Bobi Jam (bobijam@hotmail.com) uploaded a new patch: https://review.whamcloud.com/37793
Subject: LU-13324 osc: avoid osc_thread_info::oti_pvec[] race
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 50c5c3a5248636c81b32980b1cb3a0e3ac7ddffd

Comment by Gerrit Updater [ 31/Mar/20 ]

Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/37793/
Subject: LU-13324 llite: page delete race
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: 8ccaed513006f0582578ff42c9917b5aa76f2f4b

Comment by Peter Jones [ 31/Mar/20 ]

Landed for 2.14

Comment by Gerrit Updater [ 01/Apr/20 ]

Minh Diep (mdiep@whamcloud.com) uploaded a new patch: https://review.whamcloud.com/38111
Subject: LU-13324 llite: page delete race
Project: fs/lustre-release
Branch: b2_12
Current Patch Set: 1
Commit: d570acd2f9b100ed40e0607108581536b0d3e673

Comment by Gerrit Updater [ 19/Apr/20 ]

Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/38111/
Subject: LU-13324 llite: page delete race
Project: fs/lustre-release
Branch: b2_12
Current Patch Set:
Commit: 1ffa416586c6abb53a72031f0286aecf3da4bd01

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