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Bug 77039 - glibc-2.2.93-5 + MySQL-3.23.52-3 = seg fault in _nss_dns_gethostbyaddr_r
glibc-2.2.93-5 + MySQL-3.23.52-3 = seg fault in _nss_dns_gethostbyaddr_r
Status: CLOSED DUPLICATE of bug 77467
Product: Red Hat Linux
Classification: Retired
Component: glibc (Show other bugs)
i386 Linux
medium Severity medium
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Assigned To: Jakub Jelinek
Brian Brock
Depends On:
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Reported: 2002-10-31 02:57 EST by tanner
Modified: 2016-11-24 09:52 EST (History)
3 users (show)

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Last Closed: 2002-11-07 02:45:40 EST
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RHEL 7.3 requirements from Atomic Host:
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Description tanner 2002-10-31 02:57:14 EST
Description of Problem:

mysql-3.23.52-3 seg faults on remote network connects. Using the mysql client,
and running mysqld under the debugger. I get this:

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 24580 (LWP 6865)]
0x40014098 in _nss_dns_gethostbyaddr_r () from /lib/libnss_dns.so.2
(gdb) bt
#0  0x40014098 in _nss_dns_gethostbyaddr_r () from /lib/libnss_dns.so.2
#1  0x40267cc1 in gethostbyaddr_r@@GLIBC_2.1.2 () from /lib/libc.so.6
#2  0x40267ada in gethostbyaddr () from /lib/libc.so.6
#3  0x080e8476 in ip_to_hostname(in_addr*, unsigned*) (in=0x83d460c,
    errors=0xbf3ff978) at hostname.cc:192
#4  0x080e8faf in check_connections (thd=0x83d4218) at sql_parse.cc:344
#5  0x080e9452 in handle_one_connection(void*) (arg=0xbf3ffd9c)
    at sql_parse.cc:534
#6  0x4003376e in pthread_start_thread () from /lib/libpthread.so.0
#7  0x400337dd in pthread_start_thread_event () from /lib/libpthread.so.0

Version-Release number of selected component (if applicable):
Comment 1 Need Real Name 2002-10-31 17:25:05 EST
Just wanted to mention that an upgrade to glibc 2.3.1 (built from Rawhide
SRPM's) resolved this problem on our end. So, it is definetly a problem with
MySQL<->glibc interaction (if not a bug in glibc itself).
Comment 2 Marcel Telka 2002-11-07 02:45:34 EST
This bug is similar to bug 75128.
Comment 3 Jakub Jelinek 2002-12-04 11:51:11 EST

*** This bug has been marked as a duplicate of 77467 ***

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