[LU-16333] page fault in osc_release_bounce_pages() Created: 22/Nov/22 Updated: 27/Jan/23 Resolved: 27/Jan/23 |
|
| Status: | Resolved |
| Project: | Lustre |
| Component/s: | None |
| Affects Version/s: | None |
| Fix Version/s: | Lustre 2.16.0 |
| Type: | Bug | Priority: | Minor |
| Reporter: | Andriy Skulysh | Assignee: | Andriy Skulysh |
| Resolution: | Fixed | Votes: | 0 |
| Labels: | None | ||
| Severity: | 3 |
| Rank (Obsolete): | 9223372036854775807 |
| Description |
|
pga[i] can be uninitialized.It happens after following code pathin osc_build_rpc(): OBD_SLAB_ALLOC_PTR_GFP(oa, osc_obdo_kmem, GFP_NOFS);
if (oa == NULL)
GOTO(out, rc = -ENOMEM);
#8 [ffffc90000d17838] osc_io_unplug0 at ffffffffa07d9eb9 [osc] #9 [ffffc90000d17918] osc_cache_writeback_range at ffffffffa07dfd6e [osc] #10 [ffffc90000d179f0] osc_io_fsync_start at ffffffffa07cd0eb [osc] #11 [ffffc90000d17a38] cl_io_start at ffffffffa0537981 [obdclass] #12 [ffffc90000d17a68] lov_io_call at ffffffffa0823118 [lov] #13 [ffffc90000d17aa0] lov_io_start at ffffffffa0823c06 [lov] #14 [ffffc90000d17ac0] cl_io_start at ffffffffa0537981 [obdclass] #15 [ffffc90000d17af0] cl_io_loop at ffffffffa053a988 [obdclass] #16 [ffffc90000d17b30] cl_sync_file_range at ffffffffa09027e7 [lustre] #17 [ffffc90000d17b80] ll_writepages at ffffffffa0925ff6 [lustre] #18 [ffffc90000d17bb8] do_writepages at ffffffff811fc0db #19 [ffffc90000d17c28] __writeback_single_inode at ffffffff812b6c89 #20 [ffffc90000d17c70] writeback_sb_inodes at ffffffff812b7144 #21 [ffffc90000d17d10] __writeback_inodes_wb at ffffffff812b73c7 #22 [ffffc90000d17d58] wb_writeback at ffffffff812b7675 #23 [ffffc90000d17de8] wb_workfn at ffffffff812b9c8a #24 [ffffc90000d17e80] process_one_work at ffffffff8109ac98 #25 [ffffc90000d17ec8] worker_thread at ffffffff8109b887 #26 [ffffc90000d17f08] kthread at ffffffff810a25a0 #27 [ffffc90000d17f50] ret_from_fork at ffffffff8180021a |
| Comments |
| Comment by Gerrit Updater [ 22/Nov/22 ] |
|
"Andriy Skulysh <andriy.skulysh@hpe.com>" uploaded a new patch: https://review.whamcloud.com/c/fs/lustre-release/+/49210 |
| Comment by Gerrit Updater [ 27/Jan/23 ] |
|
"Oleg Drokin <green@whamcloud.com>" merged in patch https://review.whamcloud.com/c/fs/lustre-release/+/49210/ |
| Comment by Peter Jones [ 27/Jan/23 ] |
|
Landed for 2.16 |