[LU-13769] osd_dir_it_key and osd_index_it_key feed zap_cursor_retrieve return to ERR_PTR Created: 09/Jul/20  Updated: 09/Jul/20

Status: Open
Project: Lustre
Component/s: None
Affects Version/s: Lustre 2.14.0
Fix Version/s: None

Type: Bug Priority: Minor
Reporter: Oleg Drokin Assignee: WC Triage
Resolution: Unresolved Votes: 0
Labels: None

Severity: 3
Rank (Obsolete): 9223372036854775807

 Description   

it looks like both do

       if ((rc = -zap_cursor_retrieve(it->ozi_zc, za)))
                RETURN(ERR_PTR(rc));

But in fact it could return a wildly positive value that would break ERR_PTR as advised by smatch?



 Comments   
Comment by Oleg Drokin [ 09/Jul/20 ]

similar concern is given about osd_mkreg and osd_it_acct_key

lustre/osd-zfs/osd_object.c:1830 osd_mkreg() error: (-2147483647) too low for ERR_PTR
lustre/osd-zfs/osd_object.c:1838 osd_mkreg() error: (-2147483647) too low for ERR_PTR
lustre/osd-zfs/osd_quota.c:272 osd_it_acct_key() error: (-2147483647) too low for ERR_PTR
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