diff options
| author | Yafang shao <[email protected]> | 2024-12-05 10:11:00 +0800 |
|---|---|---|
| committer | Paul Moore <[email protected]> | 2024-12-04 22:57:46 -0500 |
| commit | d9381508ea2b590aff46d28d432d20bfef1ba64c (patch) | |
| tree | 9abe132f832cb6515695b4a2294133965ee6f6c5 /tools/testing/selftests/bpf/prog_tests/autoload.c | |
| parent | 40384c840ea1944d7c5a392e8975ed088ecf0b37 (diff) | |
audit: workaround a GCC bug triggered by task comm changes
A build failure has been reported with the following details:
In file included from include/linux/string.h:390,
from include/linux/bitmap.h:13,
from include/linux/cpumask.h:12,
from include/linux/smp.h:13,
from include/linux/lockdep.h:14,
from include/linux/spinlock.h:63,
from include/linux/wait.h:9,
from include/linux/wait_bit.h:8,
from include/linux/fs.h:6,
from kernel/auditsc.c:37:
In function 'sized_strscpy',
inlined from '__audit_ptrace' at kernel/auditsc.c:2732:2:
>> include/linux/fortify-string.h:293:17:
error: call to '__write_overflow' declared with attribute error:
detected write beyond size of object (1st parameter)
293 | __write_overflow();
| ^~~~~~~~~~~~~~~~~~
In function 'sized_strscpy',
inlined from 'audit_signal_info_syscall' at kernel/auditsc.c:2759:3:
>> include/linux/fortify-string.h:293:17:
error: call to '__write_overflow' declared with attribute error:
detected write beyond size of object (1st parameter)
293 | __write_overflow();
| ^~~~~~~~~~~~~~~~~~
The issue appears to be a GCC bug, though the root cause remains
unclear at this time. For now, let's implement a workaround.
A bug report has also been filed with GCC [0].
Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117912 [0]
Reported-by: kernel test robot <[email protected]>
Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Reported-by: Steven Rostedt (Google) <[email protected]>
Closes: https://lore.kernel.org/all/[email protected]/
Reported-by: Zhuo, Qiuxu <[email protected]>
Closes: https://lore.kernel.org/all/CY8PR11MB71348E568DBDA576F17DAFF389362@CY8PR11MB7134.namprd11.prod.outlook.com/
Originally-by: Kees Cook <[email protected]>
Link: https://lore.kernel.org/linux-hardening/202410171059.C2C395030@keescook/
Signed-off-by: Yafang shao <[email protected]>
Tested-by: Steven Rostedt (Google) <[email protected]>
Tested-by: Yafang Shao <[email protected]>
[PM: subject tweak, description line wrapping]
Signed-off-by: Paul Moore <[email protected]>
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/autoload.c')
0 files changed, 0 insertions, 0 deletions