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* [Bug malloc/31498] New: malloc/tst-free-errno-malloc-hugetlb1 test fails on arm64
@ 2024-03-16 10:45 sam at gentoo dot org
  2024-03-16 10:45 ` [Bug malloc/31498] " sam at gentoo dot org
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: sam at gentoo dot org @ 2024-03-16 10:45 UTC (permalink / raw)
  To: glibc-bugs

https://sourceware.org/bugzilla/show_bug.cgi?id=31498

            Bug ID: 31498
           Summary: malloc/tst-free-errno-malloc-hugetlb1 test fails on
                    arm64
           Product: glibc
           Version: 2.37
            Status: NEW
          Severity: normal
          Priority: P2
         Component: malloc
          Assignee: unassigned at sourceware dot org
          Reporter: sam at gentoo dot org
                CC: adhemerval.zanella at linaro dot org
  Target Milestone: ---

Created attachment 15407
  --> https://sourceware.org/bugzilla/attachment.cgi?id=15407&action=edit
lscpu

Proxying a bug report from leio@g.o.

```
$ uname -a
Linux mac-gentoo 6.6.0-asahi+ #19 SMP PREEMPT_DYNAMIC Sat Feb  3 14:46:34 EET
2024 aarch64 GNU/Linux
```

He gets one test failure with glibc-2.38:
```
$ cat tst-free-errno-malloc-hugetlb1.test-result 
FAIL: malloc/tst-free-errno-malloc-hugetlb1
original exit status 1
```

```
$ cat tst-free-errno-malloc-hugetlb1.out
Didn't expect signal from child: got `Aborted'
```

Backtrace isn't very informative:
```
(gdb) set args --library-path
/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl:/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/math:/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/elf:/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/dlfcn:/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/nss:/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/nis:/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/rt:/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/resolv:/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/mathvec:/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/support:/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/nptl
/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/malloc/tst-free-errno-malloc-hugetlb1
(gdb) run
Starting program:
/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/elf/ld-linux-aarch64.so.1
--library-path
/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl:/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/math:/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/elf:/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/dlfcn:/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/nss:/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/nis:/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/rt:/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/resolv:/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/mathvec:/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/support:/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/nptl
/tmp/portage/sys-libs/glibc-2.38-r11/work/build-arm64-aarch64-unknown-linux-gnu-nptl/malloc/tst-free-errno-malloc-hugetlb1
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib64/libthread_db.so.1".
[Attaching after Thread 0xfffff7fe4020 (LWP 1606774) fork to child process
1606775]
[New inferior 3 (process 1606775)]
[Detaching after fork from parent process 1606774]
[Inferior 2 (process 1606774) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib64/libthread_db.so.1".
double free or corruption (out)

Thread 3.1 "ld-linux-aarch6" received signal SIGABRT, Aborted.
[Switching to Thread 0xfffff7fe4020 (LWP 1606775)]
__pthread_kill_implementation (threadid=281474842378272, signo=signo@entry=6,
no_tid=no_tid@entry=0) at pthread_kill.c:44
44            return INTERNAL_SYSCALL_ERROR_P (ret) ? INTERNAL_SYSCALL_ERRNO
(ret) : 0;
(gdb) t a a bt full

Thread 3.1 (Thread 0xfffff7fe4020 (LWP 1606775) "ld-linux-aarch6"):
#0  __pthread_kill_implementation (threadid=281474842378272,
signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44
        tid = 1606775
        ret = 0
        pd = 0xfffff7fe4020
        old_mask = {__val = {281474842489360}}
        ret = <optimized out>
#1  0x0000fffff7e5a100 in __pthread_kill_internal (threadid=<optimized out>,
signo=6) at pthread_kill.c:78
No locals.
#2  0x0000fffff7e0b3bc in __GI_raise (sig=sig@entry=6) at
../sysdeps/posix/raise.c:26
        ret = <optimized out>
#3  0x0000fffff7df6b68 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x20, sa_sigaction = 0x20},
sa_mask = {__val = {0, 281474842165248, 281474842380128, 281474859286528,
281474842038288, 281474842378272, 18446744073709535232, 0, 16777216,
281474976702880, 281474976702800, 0, 281474842482608, 281474976703072,
281474842476544, 4}}, sa_flags = 1, sa_restorer = 0x18}
#4  0x0000fffff7e4dbc4 in __libc_message (fmt=fmt@entry=0xfffff7f2f930 "%s\n")
at ../sysdeps/posix/libc_fatal.c:150
        ap = {__stack = 0xffffffffe260, __gr_top = 0xffffffffe260, __vr_top =
0xffffffffe220, __gr_offs = -48, __vr_offs = 0}
        fd = 2
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
#5  0x0000fffff7e64698 in malloc_printerr (str=str@entry=0xfffff7f2af00 "double
free or corruption (out)") at malloc.c:5765
No locals.
#6  0x0000fffff7e664f8 in _int_free_merge_chunk (av=0xfffff7f80970
<main_arena>, p=0xfffff8008330, size=16776976) at malloc.c:4669
        nextchunk = 0xfffff9008240
        nextsize = <optimized out>
#7  0x0000fffff7e6677c in _int_free (av=<optimized out>, p=<optimized out>,
have_lock=<optimized out>, have_lock@entry=0) at malloc.c:4639
        size = <optimized out>
        fb = <optimized out>
#8  0x0000fffff7e68cb0 in __GI___libc_free (mem=<optimized out>) at
malloc.c:3391
        ar_ptr = <optimized out>
        p = <optimized out>
        err = 1789
#9  0x0000fffff7f91ed4 in ?? ()
No symbol table info available.
#10 0x0000ffffffffe5c8 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
```

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2024-03-16 10:45 [Bug malloc/31498] New: malloc/tst-free-errno-malloc-hugetlb1 test fails on arm64 sam at gentoo dot org
2024-03-16 10:45 ` [Bug malloc/31498] " sam at gentoo dot org
2024-03-16 10:45 ` sam at gentoo dot org
2024-03-16 11:00 ` schwab@linux-m68k.org
2024-03-19 12:34 ` adhemerval.zanella at linaro dot org

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