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[Bug nscd/19755] New: nscd assertion failure in gc
- From: "schwab at linux-m68k dot org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Wed, 02 Mar 2016 16:34:38 +0000
- Subject: [Bug nscd/19755] New: nscd assertion failure in gc
- Auto-submitted: auto-generated
https://sourceware.org/bugzilla/show_bug.cgi?id=19755
Bug ID: 19755
Summary: nscd assertion failure in gc
Product: glibc
Version: 2.19
Status: NEW
Severity: normal
Priority: P2
Component: nscd
Assignee: unassigned at sourceware dot org
Reporter: schwab@linux-m68k.org
CC: drepper.fsp at gmail dot com
Target Milestone: ---
If a GETGRBYNAME request (for passwd or group) is running in parallel to an
INVALIDATE request (for the same database) then in a particular order of events
the garbage collector is not properly marking all used memory and fails an
assertion.
GETGRBYNAME (root)
Haven't found "root" in group cache!
add new entry "root" of type GETGRBYNAME for group to cache (first)
handle_request: request received (Version = 2) from PID 7413
INVALIDATE (group)
pruning group cache; time 9223372036854775807
considering GETGRBYNAME entry "root", timeout 1456763027
add new entry "0" of type GETGRBYGID for group to cache
remove GETGRBYNAME entry "root"
nscd: mem.c:403: gc: Assertion `next_data == &he_data[db->head->nentries]'
failed.
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