[LU-11406] BUG in mdt_reint_setxattr()

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.12.0
• Affects Version/s: Lustre 2.12.0
• Severity: 3
• Assignee: Alex Zhuravlev
• Reporter: Alex Zhuravlev

Description

REFORMAT=yes SLOW=yes ONLY=102 sh sanity.sh

 

BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [<ffffffffa080f4e7>] mdt_reint_setxattr+0x347/0x1cd0 [mdt]
PGD 0
Oops: 0000 1 SMP
Modules linked in: lustre(O) ofd(O) osp(O) lod(O) ost(O) mdt(O) mdd(O) mgs(O) osd_ldiskfs(O) ldiskfs(O) lquota(O) lfsck(O) obdecho(O) mgc(O) lov(O) mdc(O) osc(O) lmv(O) fid(O) fld(O) ptlrpc(O) obdclass(O) ksocklnd(O) lnet(O) libcfs(O) zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) [last unloaded: libcfs]
CPU: 0 PID: 12398 Comm: mdt00_002 Tainted: P O ------------ 3.10.0 #5
Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
task: ffff8800b7090180 ti: ffff8800b4fd0000 task.ti: ffff8800b4fd0000
RIP: 0010:[<ffffffffa080f4e7>] [<ffffffffa080f4e7>] mdt_reint_setxattr+0x347/0x1cd0 [mdt]
RSP: 0018:ffff8800b4fd3c18 EFLAGS: 00010246
RAX: ffff8800b1924100 RBX: ffff8800ce5c61a0 RCX: 0000000000000000
RDX: ffff8800afedea00 RSI: ffff8800ce5c61ac RDI: ffffffffa084b5df
RBP: ffff8800b4fd3c88 R08: 0000000000000545 R09: 0000000000000074
R10: ffffffffa010bb53 R11: 452072656c646e00 R12: ffff8800bcd39380
R13: ffff8800b1924000 R14: 0000000000000000 R15: 0000000000000000
FS: 00007ff6bc045740(0000) GS:ffff88011fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000000000 CR3: 00000000b4fb1000 CR4: 00000000000007b0
Call Trace:
[<ffffffffa0055b72>] ? lustre_msg_buf+0x12/0x50 [ptlrpc]
[<ffffffffa080d9fd>] mdt_reint_rec+0x12d/0x280 [mdt]
[<ffffffffa07e90ab>] mdt_reint_internal+0x96b/0xb00 [mdt]
[<ffffffffa07f46b1>] mdt_reint+0x61/0x120 [mdt]
[<ffffffffa00c10db>] tgt_request_handle+0xc3b/0x1870 [ptlrpc]
[<ffffffffa1138d12>] ? libcfs_debug_msg+0x42/0x50 [libcfs]
[<ffffffffa0065ddb>] ptlrpc_main+0x10fb/0x2c90 [ptlrpc]

Comments

[Peter Jones]

Landed for 2.12

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch https://review.whamcloud.com/33273/
Subject: LU-11406 mdt: mdt_reint_setxattr() to check rr_eadata
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: a42be217b5662bc88a9f381f82482f2c5a0e8fb7

[Gerrit Updater]

Alex Zhuravlev ([e-mail]) uploaded a new patch: https://review.whamcloud.com/33273
Subject: LU-11406 mdt: mdt_reint_setxattr() to check rr_eadata
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 2cf4eae427d1408706da573fb24d078943dc5d35