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bug#35662: Really relocatable binaries crash with Permission denied
From: |
pelzflorian (Florian Pelz) |
Subject: |
bug#35662: Really relocatable binaries crash with Permission denied |
Date: |
Mon, 13 May 2019 12:34:40 +0200 |
User-agent: |
NeoMutt/20180716 |
On Mon, May 13, 2019 at 09:49:40AM +0200, Ludovic Courtès wrote:
> Hi Florian,
>
> "pelzflorian (Florian Pelz)" <address@hidden> skribis:
>
> > On Fri, May 10, 2019 at 11:50:19PM +0200, Ludovic Courtès wrote:
> >> That suggests the wrapper chose the user namespace method (not PRoot),
> >> but that didn’t quite work.
> >>
> >> Could you post the output of:
> >>
> >> strace ./mybin/sh
> >>
> >> ?
>
> My bad, this should be:
>
> strace -f -o log ./mybin/sh
>
> and then post the ‘log’ file (we need ‘-f’ because the problem happens
> in the child process.)
>
> Thanks in advance,
> Ludo’.
Oh I did not know there is -f.
address@hidden ~]$ strace -f -o log ./mybin/sh
sh: run.c:162: bind_mount: Unexpected error: Permission denied.
The log file is attached.
When I do not use -o log, the unexpected error is here:
[pid 36622] mount("//sys", "/tmp/guix-exec-85li6j/sys", 0x47e0c5,
MS_RDONLY|MS_BIND|MS_REC, NULL) = -1 EACCES (Permission denied)
[pid 36622] openat(AT_FDCWD, "/tmp/guix-exec-85li6j/core", O_WRONLY|O_CREAT,
056306) = 4
[pid 36622] close(4) = 0
[pid 36622] mount("//core", "/tmp/guix-exec-85li6j/core", 0x47e0c5,
MS_RDONLY|MS_BIND|MS_REC, NULL) = -1 EACCES (Permission denied)
[pid 36622] write(2, "sh: run.c:162: bind_mount: Unexp"..., 64sh: run.c:162:
bind_mount: Unexpected error: Permission denied.
) = 64
[pid 36622] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x7f4b024f4000
[pid 36622] rt_sigprocmask(SIG_UNBLOCK, [ABRT], NULL, 8) = 0
[pid 36622] rt_sigprocmask(SIG_BLOCK, ~[RTMIN RT_1], [], 8) = 0
[pid 36622] getpid() = 36622
[pid 36622] gettid() = 36622
[pid 36622] tgkill(36622, 36622, SIGABRT) = 0
[pid 36622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid 36622] --- SIGABRT {si_signo=SIGABRT, si_code=SI_TKILL, si_pid=36622,
si_uid=24038} ---
[pid 36622] +++ killed by SIGABRT +++
Regards,
Florian
log
Description: Text document
- bug#35662: Really relocatable binaries crash with Permission denied, pelzflorian (Florian Pelz), 2019/05/09
- bug#35662: Really relocatable binaries crash with Permission denied, pelzflorian (Florian Pelz), 2019/05/10
- bug#35662: Really relocatable binaries crash with Permission denied, Ludovic Courtès, 2019/05/10
- bug#35662: Really relocatable binaries crash with Permission denied, pelzflorian (Florian Pelz), 2019/05/11
- bug#35662: Really relocatable binaries crash with Permission denied, Ludovic Courtès, 2019/05/13
- bug#35662: Really relocatable binaries crash with Permission denied,
pelzflorian (Florian Pelz) <=
- bug#35662: Really relocatable binaries crash with Permission denied, Ludovic Courtès, 2019/05/13
- bug#35662: Really relocatable binaries crash with Permission denied, pelzflorian (Florian Pelz), 2019/05/13
- bug#35662: Really relocatable binaries crash with Permission denied, Ludovic Courtès, 2019/05/13
- bug#35662: Really relocatable binaries crash with Permission denied, pelzflorian (Florian Pelz), 2019/05/13
- bug#35662: Really relocatable binaries crash with Permission denied, pelzflorian (Florian Pelz), 2019/05/14
- bug#35662: Really relocatable binaries crash with Permission denied, Ludovic Courtès, 2019/05/14
- bug#35662: Really relocatable binaries crash with Permission denied, pelzflorian (Florian Pelz), 2019/05/14
- bug#35662: Really relocatable binaries crash with Permission denied, Ludovic Courtès, 2019/05/15
- bug#35662: Really relocatable binaries crash with Permission denied, Giovanni Biscuolo, 2019/05/15
- bug#35662: Really relocatable binaries crash with Permission denied, pelzflorian (Florian Pelz), 2019/05/16