Re: CVS commit: src

[Rin Okuyama <rokuyama.rk%gmail.com@localhost>]

On 2020/11/12 23:03, Rin Okuyama wrote:
> The backtrace reads:
>
> | (gdb) bt
> | #0  0x0000fc2961bca308 in ?? ()
> | #1  0x0000fc2961b9ec10 in __deregister_frame_info_bases ()
> |    from /usr/lib/libgcc_s.so.1
> | #2  0x0000fffff88425b4 in _rtld_call_function_void (obj=0xfc2962917400,
> |     addr=277254663434168) at /usr/src/libexec/ld.elf_so/rtld.h:514
> | ...
>
> The fault address is anon memory w/o exec permission when su exits:
>
> | # pmap -p xxx
> | ...
> | 0000FC2961BB1000      4K read/write        /altroot/lib/libgcc_s.so.1.0
> | 0000FC2961BB6000     40K read/write          [ anon ]
> | 0000FC2961BE6000     40K read/write          [ anon ]
> | ...

Oops, correction: the fault address is not mapped when su exits;
FC2961BB6000 + 40K = FC2961BC0000.

The discussion thereafter does not change.

Thanks,
rin