[LU-17663] ldlm_lock_get() a freed LDLM lock

• Type: Bug
• Resolution: Unresolved
• Priority: Major
• Severity: 3
• Assignee: Zhenyu Xu
• Reporter: Zhenyu Xu

Description

[1268201.652741] Lustre: testfs-MDT0000-mdc-ffff906b2f03c800: Connection restored to 172.16.1.17@o2ib (at 172.16.1.17@o2ib)
[1268571.103694] general protection fault, probably for non-canonical address 0x5a5a5a5a5a5a5a5a: 0000 [#1] SMP NOPTI
[1268571.114398] CPU: 16 PID: 3727808 Comm: IOR Kdump: loaded Tainted: G           OE    --------- -  - 4.18.0-477.27.1.el8_8.x86_64 #1
[1268571.126715] Hardware name: Bull SAS H252-Z10-00/MZ12-HD0-00, BIOS M13a 11/16/2022
[1268571.134555] RIP: 0010:ldlm_lock_get+0x8/0x20 [ptlrpc]
[1268571.139999] Code: 66 90 0f 1f 44 00 00 48 89 b7 b0 00 00 00 e9 af e3 33 df 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 0f 1f 44 00 00 48 89 f8 <f0> ff 47 20 0f 88 92 52 08 00 e9 89 e3 33 df 66 0f 1f 84 00 00 00
[1268571.159282] RSP: 0018:ffffb82d4f5e37a0 EFLAGS: 00010206
[1268571.164856] RAX: 5a5a5a5a5a5a5a5a RBX: ffffb82d4f5e3888 RCX: 0000000000000103
[1268571.172366] RDX: 0000000000000000 RSI: ffff908937d93340 RDI: 5a5a5a5a5a5a5a5a
[1268571.179878] RBP: 0000000000001000 R08: ffff906f78e91f80 R09: ffff90775576f998
[1268571.187405] R10: 0000000000000000 R11: ffff90908ac5c840 R12: 0000000000000100
[1268571.194933] R13: ffff90775576f998 R14: ffff90a114f3f840 R15: 0000000000043100
[1268571.202432] FS:  00007f57f6676300(0000) GS:ffff90a96e000000(0000) knlGS:0000000000000000
[1268571.210873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[1268571.216972] CR2: 000014588d704d98 CR3: 00000038ae51a001 CR4: 0000000000770ee0
[1268571.224555] PKRU: 55555554
[1268571.227608] Call Trace:
[1268571.230405]  osc_queue_sync_pages+0x1a8/0x700 [osc]
[1268571.235641]  osc_io_submit+0x418/0x760 [osc]
[1268571.240264]  cl_io_submit_rw+0x65/0x170 [obdclass]
[1268571.245417]  lov_io_submit+0x33b/0x410 [lov]
[1268571.250026]  cl_io_submit_rw+0x65/0x170 [obdclass]
[1268571.255172]  ll_io_read_page+0x4d2/0x910 [lustre]
[1268571.260216]  ll_readpage+0x7ca/0xcd0 [lustre]
[1268571.264910]  generic_file_buffered_read+0x5dd/0xba0
[1268571.270108]  ? current_time+0x4a/0x90
[1268571.274093]  ? atime_needs_update+0x77/0xe0
[1268571.278589]  vvp_io_read_start+0x55f/0x7b0 [lustre]
[1268571.283796]  cl_io_start+0x5d/0x110 [obdclass]
[1268571.288578]  cl_io_loop+0x9a/0x200 [obdclass]
[1268571.293271]  ll_file_io_generic+0xa5e/0xd70 [lustre]
[1268571.298557]  ll_file_read_iter+0x912/0xc00 [lustre]
[1268571.303756]  new_sync_read+0x10f/0x160
[1268571.307808]  vfs_read+0x91/0x150
[1268571.311347]  ksys_read+0x4f/0xb0
[1268571.314872]  do_syscall_64+0x5b/0x1b0
[1268571.318834]  entry_SYSCALL_64_after_hwframe+0x61/0xc6
[1268571.324181] RIP: 0033:0x7f57f5b7fab4

Comments

[Gerrit Updater]

"Zhenyu Xu <[e-mail]>" uploaded a new patch: https://review.whamcloud.com/c/fs/lustre-release/+/54528
Subject: LU-17663 osc: extent find only care for write
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 4dc210ee30fa3d0b184e45b36026c95d30530cf4