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From Joe Orton <jor...@redhat.com>
Subject Re: Apache 1.3.28 SEGFAULTS and doesn't produce a core file
Date Tue, 02 Dec 2003 09:48:23 GMT
On Mon, Dec 01, 2003 at 07:52:03AM -0500, Jeff Trawick wrote:
> FWIW, it segfaults on a jsp request...  I suppose that this is handled by a 
> third party module such as mod_jk?  See the final snippet:
> 
> [pid 32119] read(11, "GET /messaging/businessObject.js"..., 4096) = 775
> [pid 32119] rt_sigaction(SIGUSR1, {SIG_IGN}, {0x4002127c, [],
> SA_INTERRUPT|0x4000000}, 8) = 0
> [pid 32119] time(NULL)                  = 1069347777
> [pid 32119] stat64("/etc/httpd/htdocs/email/messaging/businessObject.jsp",
> {st_mode=S_IFREG|0644, st_size=12754, ...}) = 0
> [pid 32119] getpid()                    = 32119
> [pid 32119] getpid()                    = 32119
> [pid 32119] --- SIGSEGV (Segmentation fault) ---
> [pid 10610] wait4(-1, [WIFSIGNALED(s) && WTERMSIG(s) == SIGSEGV], WNOHANG,
> 
> Common issues with getting coredumps from Apache 1.3 on Linux 2.4 kernel:
> 
> 1) prctl() call, resolved by mod_prctl or patch like that posted on the list

Unfortunately some of our kernels still have broken
prctl(PR_SET_DUMPABLE, 1) support after some over-aggressive ptrace
security fixes were added, the 7.3 kernel appears to be one.

joe

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