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Message-ID: <20130530064353.GE7095@port70.net>
Date: Thu, 30 May 2013 08:43:54 +0200
From: Szabolcs Nagy <nsz@...t70.net>
To: musl@...ts.openwall.com
Subject: Re: util-linux-2.23 mount segmentation fault error
* plan9assembler <plan9assembler@...il.com> [2013-05-30 15:11:09 +0900]:
> here is backtrace of gdb for "./mount /dev/sda1 /mnt"
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x00007ffff7dd58fb in strlen () from /lib/ld-musl-x86_64.so.1
> (gdb) at
> #0 0x00007ffff7dd58fb in strlen () from /lib/ld-musl-x86_64.so.1
> #1 0x00007ffff79614b6 in unmangle_string (s=0x6164732f7665642f <Address
> 0x616732f7665642 out of bounds>) at ./include/mangle.h:17
> #2 mnt_parse_table_line (s=0x7fffffffe640 "/dev/sda1 /mnt ext4 rw 0 0",
> fs=0x608f00) at libmount/src/tab_parse.c:78
> #3 mnt_table_parse_next (tb=tb@...ry=0x7ffff7ffb360, f=f@...ry=0x608a00,
> fs=fs@...ry=0x608f00, filename=filename@...ry=0x7ffff7973e78 "/etc/mtab",
> nlines=nlines@...ry=0x7fffffffeab4) at at libmount/src/tab_parse.c:396
yes this is the %ms issue i was talking about
> On Thu, May 30, 2013 at 7:17 AM, plan9assembler <plan9assembler@...il.com>wrote:
> > correction:
> >
> > #if 1
> > #define _IO(a,b) _IOC(0U,(a),(b),0) //?
> > #define _IOW(a,b,c) _IOC(1U,(a),(b),sizeof(c)) //?
> > #else
> > #define _IO(a,b) _IOC(0,(a),(b),0) //ok
> > #define _IOW(a,b,c) _IOC(1,(a),(b),sizeof(c)) //ok
> > #endif
> >
> > #define _IOR(a,b,c) _IOC(2U,(a),(b),sizeof(c)) //ok
> > - #define _IOW(a,b,c) _IOC(3U,(a),(b),sizeof(c)) //ok
> > + #define _IOWR(a,b,c) _IOC(3U,(a),(b),sizeof(c)) //ok
this does not make sense to me
> > On Thu, May 30, 2013 at 7:07 AM, plan9assembler <plan9assembler@...il.com>wrote:
> >> could you send me the patch? i will test it.
my super sophisticated patch has no warranty
you could do better parsing or wait for musl to support %ms
View attachment "ms.diff" of type "text/x-diff" (1359 bytes)
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