Date: Thu, 2 Aug 2012 15:32:46 -0700 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: freebsd-current@freebsd.org Subject: possible je-malloc issue Message-ID: <20120802223246.GA35208@troutmask.apl.washington.edu>
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Libc built today.
Start X with fvwm window manager.
Open xterm and su to root.
1. Use nedit to edit a file and close.
fvwm drops core. If fvwm does not drop core repeat 1 until
she does.
(gdb) bt
#0 0x4841e294 in __jemalloc_arena_mapbits_get (chunk=0x8000000, pageind=245)
at /usr/src/lib/libc/../../contrib/jemalloc/include/jemalloc/internal/arena.h:502
#1 0x4841e2c4 in __jemalloc_arena_mapbits_allocated_get (chunk=0x8000000,
pageind=245)
at /usr/src/lib/libc/../../contrib/jemalloc/include/jemalloc/internal/arena.h:581
#2 0x4841e739 in __jemalloc_arena_salloc (ptr=0x80f58e0, demote=false)
at /usr/src/lib/libc/../../contrib/jemalloc/include/jemalloc/internal/arena.h:902
#3 0x48423dd1 in __jemalloc_isalloc (ptr=0x8000000, demote=false)
at /usr/src/lib/libc/../../contrib/jemalloc/include/jemalloc/internal/jemalloc_internal.h:791
#4 0x4842408e in free (ptr=0x80f58e0) at jemalloc_jemalloc.c:1212
#5 0x48164b7d in XFree (data=0x80f58e0) at XlibInt.c:1701
#6 0x080c4f2f in FlocaleFreeNameProperty (ptext=0xbfbfcfb4) at Flocale.c:2363
#7 0x0806d3ab in HandlePropertyNotify (ea=0xbfbfd014) at events.c:3422
#8 0x0806c369 in dispatch_event (e=0xbfbfd044) at events.c:4135
#9 0x0806ca5f in HandleEvents () at events.c:4179
#10 0x0808e06e in main (argc=1, argv=0xbfbfd7ac) at fvwm.c:2591
(gdb) frame 4
#4 0x4842408e in free (ptr=0x80f58e0) at jemalloc_jemalloc.c:1212
1212 usize = isalloc(ptr, config_prof);
(gdb) print *ptr
Attempt to dereference a generic pointer.
(gdb) up 1
#5 0x48164b7d in XFree (data=0x80f58e0) at XlibInt.c:1701
1701 XlibInt.c: No such file or directory.
(gdb) print *data
Attempt to dereference a generic pointer.
(gdb) up 1
#6 0x080c4f2f in FlocaleFreeNameProperty (ptext=0xbfbfcfb4) at Flocale.c:2363
2363 Flocale.c: No such file or directory.
(gdb) print *ptext
$5 = {name = 0x80f58e0 "Untitled", name_list = 0x0}
--
Steve
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