[LTP] SIGSEGV in faccessat01 and fchmodat01

[Xiuzhe Xiao]

(gdb) r
Starting program: /opt/ltp/testcases/bin/fchmodat01

Program received signal SIGSEGV, Segmentation fault.
strlen () at ../sysdeps/arm/strlen.S:33
33              sfi_breg r1, \
(gdb) bt
#0  strlen () at ../sysdeps/arm/strlen.S:33
#1  0x44583cfc in _IO_vfprintf_internal (s=s@entry=0x34030, format=format@entry=0x1c320 "%s/fchmodattest%d.txt", ap=..., ap@entry=...)
    at /usr/src/debug/glibc/2.25-r0/git/stdio-common/vfprintf.c:1637
#2  0x44624e64 in ___vfprintf_chk (fp=fp@entry=0x34030, flag=flag@entry=1, format=0x1c320 "%s/fchmodattest%d.txt",
    format@entry=0x33b64 <testfile2> "/tmp/fchBEt8Uu/fchmodattest816.txt", ap=..., ap@entry=...)
    at /usr/src/debug/glibc/2.25-r0/git/debug/vfprintf_chk.c:33
#3  0x0001383c in vfprintf (__ap=..., __fmt=0x33b64 <testfile2> "/tmp/fchBEt8Uu/fchmodattest816.txt", __stream=0x34030)
    at /usr/include/bits/stdio2.h:127
#4  safe_file_printf (file=file@entry=0x1c2b0 "fchmodat01.c", lineno=lineno@entry=131, cleanup_fn=cleanup_fn@entry=0x121a4 <cleanup>,
    path=path@entry=0x33b64 <testfile2> "/tmp/fchBEt8Uu/fchmodattest816.txt", fmt=fmt@entry=0x1c320 "%s/fchmodattest%d.txt")
    at /usr/src/debug/ltp/20170116-r0/git/lib/safe_file_ops.c:280
#5  0x00012384 in setup () at /usr/src/debug/ltp/20170116-r0/git/testcases/kernel/syscalls/fchmodat/fchmodat01.c:131
#6  0x00011f18 in main (ac=1, av=0xbefffdd4) at /usr/src/debug/ltp/20170116-r0/git/testcases/kernel/syscalls/fchmodat/fchmodat01.c:84
(gdb)

Kernel: 4.0.0-ADI-1.2.0-yocto-standard
LTP Version: 20170116
Distro : Poky (Yocto Project Reference Distro)
DIstro Version: pyro

The kernel was from Analog Device Inc, it is built for the board named ADSP-SC589
Sorry for the lack of information, please tell me if others needed.

Thanks
Shawnx.


________________________________
From: Jan Stancek <jstancek@redhat.com>
Sent: Thursday, March 15, 2018 6:14:49 AM
To: Xiuzhe Xiao
Cc: Cyril Hrubis; ltp@lists.linux.it
Subject: Re: [LTP] SIGSEGV in faccessat01 and fchmodat01


----- Original Message -----
>
>
> Hi

> Here is the result from gdb
> seems like it is getting really deep
>
>
>
> (gdb) r
> Starting program: /opt/ltp/testcases/bin/fchmodat01
>
> Program received signal SIGSEGV, Segmentation fault.
> strlen () at ../sysdeps/arm/strlen.S:33
> 33 sfi_breg r1, \
> (gdb)

Please send the backtrace as well. Type "bt" and hit enter in gdb
after it crashes.

What distro/kernel/LTP version are you using?

Regards,
Jan
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