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From: "rjones at redhat dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug go/114699] gcc-go -buildmode=c-shared doesn't use -Wl,-z,nodelete so libraries crash when dlclosed
Date: Thu, 11 Apr 2024 21:45:20 +0000	[thread overview]
Message-ID: <bug-114699-4-xyiMa6KYlw@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-114699-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114699

--- Comment #2 from Richard W.M. Jones <rjones at redhat dot com> ---
This was the stack trace of the crashing thread with gcc-go:

Thread 7 (Thread 0x7ff5c1af3a40 (LWP 2819340)):
#0  0x00007ff5c24d67cb in __GI_munmap () at
../sysdeps/unix/syscall-template.S:117
#1  0x00007ff5c24c916a in _dl_unmap_segments (l=0x563fc0eba080) at
./dl-unmap-segments.h:32
#2  _dl_unmap (map=map@entry=0x563fc0eba080) at ../sysdeps/x86_64/tlsdesc.c:31
#3  0x00007ff5c24b5ff5 in _dl_close_worker (map=<optimized out>,
map@entry=0x563fc0eb9a90, force=force@entry=false) at dl-close.c:628
#4  0x00007ff5c24b663b in _dl_close (_map=0x563fc0eb9a90) at dl-close.c:793
#5  0x00007ff5c24b5523 in __GI__dl_catch_exception
(exception=exception@entry=0x7fffe1bbd500, operate=0x7ff5c24b6600 <_dl_close>,
args=0x563fc0eb9a90) at dl-catch.c:237
#6  0x00007ff5c24b5679 in _dl_catch_error (objname=0x7fffe1bbd568,
errstring=0x7fffe1bbd570, mallocedp=0x7fffe1bbd567, operate=<optimized out>,
args=<optimized out>) at dl-catch.c:256
#7  0x00007ff5c20a4913 in _dlerror_run (operate=<optimized out>,
args=<optimized out>) at dlerror.c:138
#8  0x00007ff5c20a4656 in __dlclose (handle=<optimized out>) at dlclose.c:31
#9  0x0000563fb3951239 in backend_unload (b=b@entry=0x563fc0ebbf60,
unload=0x7ff5c1ae43b0) at /home/rjones/d/nbdkit/server/backend.c:154
#10 0x0000563fb39512bc in plugin_free (b=0x563fc0ebbf60) at
/home/rjones/d/nbdkit/server/plugins.c:64
#11 0x0000563fb394ed51 in main (argc=<optimized out>, argv=<optimized out>) at
/home/rjones/d/nbdkit/server/main.c:838

  parent reply	other threads:[~2024-04-11 21:45 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-11 21:41 [Bug go/114699] New: " rjones at redhat dot com
2024-04-11 21:43 ` [Bug go/114699] " rjones at redhat dot com
2024-04-11 21:45 ` rjones at redhat dot com [this message]
2024-04-11 21:47 ` rjones at redhat dot com

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