Bug#318244: status of bug; make segfaults because of libc6 glob on a directory with many files
On Sun, 11 Dec 2005, Justin Pryzby wrote:
>Thanks for the info. Could you try running it under valgrind? If you
OK.
>still have the debug copy of make lying around, that would be
Yes.
>preferrable. I'm curious if glob() is reading or writing to invalid
Here are the results:
==1919== Memcheck, a memory error detector for x86-linux.
==1919== Copyright (C) 2002-2005, and GNU GPL'd, by Julian Seward et al.
==1919== Using valgrind-2.4.0, a program supervision framework for x86-linux.
==1919== Copyright (C) 2000-2005, and GNU GPL'd, by Julian Seward et al.
==1919==
==1919== My PID = 1919, parent PID = 31849. Prog and args are:
==1919== ../make-dbg/make-3.80/make
==1919==
==1919== Valgrind library directory: /usr/lib/valgrind
==1919== Command line
==1919== ../make-dbg/make-3.80/make
==1919== Startup, with flags:
==1919== -v
==1919== --log-file=/tmp/valg2.txt
==1919== Contents of /proc/version:
==1919== Linux version 2.4.29 (tuukkat@s-inf-pc92) (gcc version 3.3.5 (Debian 1:3.3.5-8)) #1 Thu Feb 24 17:03:56 EET 2005
==1919== Reading syms from /home/tuukkat/work/make-dbg/make-3.80/make (0x8048000)
==1919== Reading syms from /lib/ld-2.3.2.so (0x1B8E4000)
==1919== object doesn't have a symbol table
==1919== Reading debug info from /lib/ld-2.3.2.so...
==1919== ... CRC mismatch (computed E7117123 wanted 4ECF6D33)
==1919== object doesn't have any debug info
==1919== Reading syms from /usr/lib/valgrind/stage2 (0xB0000000)
==1919== Reading syms from /lib/ld-2.3.2.so (0xB1000000)
==1919== object doesn't have a symbol table
==1919== Reading debug info from /lib/ld-2.3.2.so...
==1919== ... CRC mismatch (computed E7117123 wanted 4ECF6D33)
==1919== object doesn't have any debug info
==1919== Reading syms from /lib/libdl-2.3.2.so (0xB1028000)
==1919== object doesn't have a symbol table
==1919== Reading debug info from /lib/libdl-2.3.2.so...
==1919== ... CRC mismatch (computed 6F61513E wanted 280D08E5)
==1919== object doesn't have any debug info
==1919== Reading syms from /lib/libc-2.3.2.so (0xB102B000)
==1919== object doesn't have a symbol table
==1919== Reading debug info from /lib/libc-2.3.2.so...
==1919== ... CRC mismatch (computed 76EC50B6 wanted 52619D67)
==1919== object doesn't have any debug info
==1919== Reading syms from /usr/lib/valgrind/vgskin_memcheck.so (0xB125F000)
==1919== Reading suppressions file: /usr/lib/valgrind/default.supp
==1919==
==1919== Reading syms from /usr/lib/valgrind/vg_inject.so (0x1B8FE000)
==1919== Reading syms from /usr/lib/valgrind/vgpreload_memcheck.so (0x1B901000)
==1919== Reading syms from /lib/librt-2.3.2.so (0x1B91C000)
==1919== object doesn't have a symbol table
==1919== Reading debug info from /lib/librt-2.3.2.so...
==1919== ... CRC mismatch (computed 41D974E0 wanted 9761B3E0)
==1919== object doesn't have any debug info
==1919== Reading syms from /lib/libc-2.3.2.so (0x1B930000)
==1919== object doesn't have a symbol table
==1919== Reading debug info from /lib/libc-2.3.2.so...
==1919== ... CRC mismatch (computed 76EC50B6 wanted 52619D67)
==1919== object doesn't have any debug info
==1919== Reading syms from /lib/libdl-2.3.2.so (0x1BA64000)
==1919== object doesn't have a symbol table
==1919== Reading debug info from /lib/libdl-2.3.2.so...
==1919== ... CRC mismatch (computed 6F61513E wanted 280D08E5)
==1919== object doesn't have any debug info
==1919== Reading syms from /lib/libpthread-0.10.so (0x1BA68000)
==1919== Reading debug info from /lib/libpthread-0.10.so...
==1919== ... CRC mismatch (computed B767E120 wanted 5963E353)
==1919== object doesn't have any debug info
==1919== TRANSLATE: 0x1B9A0F20 redirected to 0x1B904510
==1919== TRANSLATE: 0x1B9A7720 redirected to 0x1B905C80
==1919== TRANSLATE: 0x1B9A10E0 redirected to 0x1B904A82
==1919== TRANSLATE: 0x1B9A1710 redirected to 0x1B904EE2
==1919== TRANSLATE: 0x1B9A11A0 redirected to 0x1B904FA1
==1919== Invalid read of size 4
==1919== at 0x1BA70F5C: __pthread_internal_tsd_get (in /lib/libpthread-0.10.so)
==1919== Address 0x525FFD88 is just below %esp. Possibly a bug in GCC/G++
==1919== v 2.96 or 3.0.X. To suppress, use: --workaround-gcc296-bugs=yes
==1919==
==1919== Invalid read of size 4
==1919== at 0x1B9DDE6B: (within /lib/libc-2.3.2.so)
==1919== Address 0xC is not stack'd, malloc'd or (recently) free'd
==1919==
==1919== Process terminating with default action of signal 11 (SIGSEGV)
==1919== Access not within mapped region at address 0xC
==1919== at 0x1B9DDE6B: (within /lib/libc-2.3.2.so)
==1919==
==1919== Invalid read of size 1
==1919== at 0x1BA6CBAE: _pthread_cleanup_push_defer (in /lib/libpthread-0.10.so)
==1919== Address 0x525FFC61 is just below %esp. Possibly a bug in GCC/G++
==1919== v 2.96 or 3.0.X. To suppress, use: --workaround-gcc296-bugs=yes
==1919==
==1919== Invalid read of size 4
==1919== at 0x1BA6CBB8: _pthread_cleanup_push_defer (in /lib/libpthread-0.10.so)
==1919== Address 0x525FFC5C is just below %esp. Possibly a bug in GCC/G++
==1919== v 2.96 or 3.0.X. To suppress, use: --workaround-gcc296-bugs=yes
==1919==
==1919== Invalid write of size 1
==1919== at 0x1BA6CBD0: _pthread_cleanup_push_defer (in /lib/libpthread-0.10.so)
==1919== Address 0x525FFC61 is just below %esp. Possibly a bug in GCC/G++
==1919== v 2.96 or 3.0.X. To suppress, use: --workaround-gcc296-bugs=yes
==1919==
==1919== Invalid write of size 4
==1919== at 0x1BA6CBD7: _pthread_cleanup_push_defer (in /lib/libpthread-0.10.so)
==1919== Address 0x525FFC5C is just below %esp. Possibly a bug in GCC/G++
==1919== v 2.96 or 3.0.X. To suppress, use: --workaround-gcc296-bugs=yes
==1919==
==1919== Invalid read of size 1
==1919== at 0x1BA6CC1B: _pthread_cleanup_pop_restore (in /lib/libpthread-0.10.so)
==1919== Address 0x525FFC62 is just below %esp. Possibly a bug in GCC/G++
==1919== v 2.96 or 3.0.X. To suppress, use: --workaround-gcc296-bugs=yes
==1919==
==1919== Invalid write of size 4
==1919== at 0x1BA6CC25: _pthread_cleanup_pop_restore (in /lib/libpthread-0.10.so)
==1919== Address 0x525FFC5C is just below %esp. Possibly a bug in GCC/G++
==1919== v 2.96 or 3.0.X. To suppress, use: --workaround-gcc296-bugs=yes
==1919==
==1919== Invalid write of size 1
==1919== at 0x1BA6CC2C: _pthread_cleanup_pop_restore (in /lib/libpthread-0.10.so)
==1919== Address 0x525FFC61 is just below %esp. Possibly a bug in GCC/G++
==1919== v 2.96 or 3.0.X. To suppress, use: --workaround-gcc296-bugs=yes
==1919==
==1919== Invalid read of size 4
==1919== at 0x1BA3BB02: (within /lib/libc-2.3.2.so)
==1919== Address 0x0 is not stack'd, malloc'd or (recently) free'd
==1919==
==1919== Process terminating with default action of signal 11 (SIGSEGV)
==1919== Access not within mapped region at address 0x0
==1919== at 0x1BA3BB02: (within /lib/libc-2.3.2.so)
==1919==
==1919== ERROR SUMMARY: 11 errors from 10 contexts (suppressed: 18 from 2)
==1919==
==1919== 1 errors in context 1 of 10:
==1919== Invalid read of size 4
==1919== at 0x1BA3BB02: (within /lib/libc-2.3.2.so)
==1919== Address 0x0 is not stack'd, malloc'd or (recently) free'd
==1919==
==1919== 1 errors in context 2 of 10:
==1919== Invalid write of size 1
==1919== at 0x1BA6CC2C: _pthread_cleanup_pop_restore (in /lib/libpthread-0.10.so)
==1919== Address 0x525FFC61 is just below %esp. Possibly a bug in GCC/G++
==1919== v 2.96 or 3.0.X. To suppress, use: --workaround-gcc296-bugs=yes
==1919==
==1919== 1 errors in context 3 of 10:
==1919== Invalid write of size 4
==1919== at 0x1BA6CC25: _pthread_cleanup_pop_restore (in /lib/libpthread-0.10.so)
==1919== Address 0x525FFC5C is just below %esp. Possibly a bug in GCC/G++
==1919== v 2.96 or 3.0.X. To suppress, use: --workaround-gcc296-bugs=yes
==1919==
==1919== 1 errors in context 4 of 10:
==1919== Invalid read of size 1
==1919== at 0x1BA6CC1B: _pthread_cleanup_pop_restore (in /lib/libpthread-0.10.so)
==1919== Address 0x525FFC62 is just below %esp. Possibly a bug in GCC/G++
==1919== v 2.96 or 3.0.X. To suppress, use: --workaround-gcc296-bugs=yes
==1919==
==1919== 1 errors in context 5 of 10:
==1919== Invalid write of size 4
==1919== at 0x1BA6CBD7: _pthread_cleanup_push_defer (in /lib/libpthread-0.10.so)
==1919== Address 0x525FFC5C is just below %esp. Possibly a bug in GCC/G++
==1919== v 2.96 or 3.0.X. To suppress, use: --workaround-gcc296-bugs=yes
==1919==
==1919== 1 errors in context 6 of 10:
==1919== Invalid write of size 1
==1919== at 0x1BA6CBD0: _pthread_cleanup_push_defer (in /lib/libpthread-0.10.so)
==1919== Address 0x525FFC61 is just below %esp. Possibly a bug in GCC/G++
==1919== v 2.96 or 3.0.X. To suppress, use: --workaround-gcc296-bugs=yes
==1919==
==1919== 1 errors in context 7 of 10:
==1919== Invalid read of size 4
==1919== at 0x1BA6CBB8: _pthread_cleanup_push_defer (in /lib/libpthread-0.10.so)
==1919== Address 0x525FFC5C is just below %esp. Possibly a bug in GCC/G++
==1919== v 2.96 or 3.0.X. To suppress, use: --workaround-gcc296-bugs=yes
==1919==
==1919== 1 errors in context 8 of 10:
==1919== Invalid read of size 1
==1919== at 0x1BA6CBAE: _pthread_cleanup_push_defer (in /lib/libpthread-0.10.so)
==1919== Address 0x525FFC61 is just below %esp. Possibly a bug in GCC/G++
==1919== v 2.96 or 3.0.X. To suppress, use: --workaround-gcc296-bugs=yes
==1919==
==1919== 1 errors in context 9 of 10:
==1919== Invalid read of size 4
==1919== at 0x1B9DDE6B: (within /lib/libc-2.3.2.so)
==1919== Address 0xC is not stack'd, malloc'd or (recently) free'd
==1919==
==1919== 2 errors in context 10 of 10:
==1919== Invalid read of size 4
==1919== at 0x1BA70F5C: __pthread_internal_tsd_get (in /lib/libpthread-0.10.so)
==1919== Address 0x525FFD88 is just below %esp. Possibly a bug in GCC/G++
==1919== v 2.96 or 3.0.X. To suppress, use: --workaround-gcc296-bugs=yes
--1919--
--1919-- supp: 1 Unterminated strstr string in is_smp_system() (LinuxThreads)
--1919-- supp: 17 Ugly strchr error in /lib/ld-2.3.2.so
==1919==
==1919== IN SUMMARY: 11 errors from 10 contexts (suppressed: 18 from 2)
==1919==
==1919== malloc/free: in use at exit: 45347741 bytes in 1209445 blocks.
==1919== malloc/free: 1209594 allocs, 149 frees, 47450010 bytes allocated.
==1919==
==1919== searching for pointers to 1209445 not-freed blocks.
==1919== checked 25488232 bytes.
==1919==
==1919== LEAK SUMMARY:
==1919== definitely lost: 19576842 bytes in 392115 blocks.
==1919== possibly lost: 2421 bytes in 48 blocks.
==1919== still reachable: 25768478 bytes in 817282 blocks.
==1919== suppressed: 0 bytes in 0 blocks.
==1919== Use --leak-check=full to see details of leaked memory.
--1919-- TT/TC: 0 tc sectors discarded.
--1919-- 4056 tt_fast misses.
--1919-- translate: new 4003 (65802 -> 887546; ratio 134:10)
--1919-- discard 0 (0 -> 0; ratio 0:10).
--1919-- chainings: 2625 chainings, 0 unchainings.
--1919-- dispatch: 373110979 jumps (bb entries); of them 31877239 (8%) unchained.
--1919-- 7463/1228860 major/minor sched events.
--1919-- reg-alloc: 759 t-req-spill, 156630+5136 orig+spill uis,
--1919-- 20482 total-reg-rank
--1919-- sanity: 7464 cheap, 299 expensive checks.
--1919-- ccalls: 15219 C calls, 54% saves+restores avoided (48776 bytes)
--1919-- 20541 args, avg 0.86 setup instrs each (5390 bytes)
--1919-- 0% clear the stack (45657 bytes)
--1919-- 6672 retvals, 28% of reg-reg movs avoided (3660 bytes)
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