* Re: Re: [PATCH 1/1] Fix uninitialiazed variable bug
@ 2022-01-09 1:15 Ercan Ersoy
2022-01-09 1:44 ` Linus Torvalds
0 siblings, 1 reply; 2+ messages in thread
From: Ercan Ersoy @ 2022-01-09 1:15 UTC (permalink / raw)
To: security; +Cc: stable
I'm using cppcheck 2.3.
Command line arguments are given below.
cppcheck --language=c --enable=warning --force memcontrol.c
Output is given below.
Checking mm/memcontrol.c ...
mm/memcontrol.c:3397:7: error: Uninitialized variable: ret [uninitvar]
if (!ret && enlarge)
^
mm/memcontrol.c:3400:9: error: Uninitialized variable: ret [uninitvar]
return ret;
^
Checking mm/memcontrol.c: CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH...
Checking mm/memcontrol.c: CONFIG_CGROUP_WRITEBACK...
Checking mm/memcontrol.c: CONFIG_CMA;CONFIG_COMPACTION...
Checking mm/memcontrol.c: CONFIG_DEBUG_FS;CONFIG_SLUB_DEBUG...
Checking mm/memcontrol.c: CONFIG_DEBUG_MEMORY_INIT...
Checking mm/memcontrol.c: CONFIG_DEBUG_SLAB...
Checking mm/memcontrol.c: CONFIG_DEBUG_VM...
Checking mm/memcontrol.c:
CONFIG_DEVICE_PRIVATE;CONFIG_SWAP;CONFIG_MMU...
Checking mm/memcontrol.c: CONFIG_LOCKDEP...
Checking mm/memcontrol.c: CONFIG_MEMCG_KMEM...
Checking mm/memcontrol.c:
CONFIG_MEMCG_KMEM;CONFIG_SLAB;CONFIG_SLUB_DEBUG...
Checking mm/memcontrol.c: CONFIG_MEMCG_SWAP...
Checking mm/memcontrol.c: CONFIG_MMU...
Checking mm/memcontrol.c: CONFIG_MMU;CONFIG_TRANSPARENT_HUGEPAGE...
Checking mm/memcontrol.c: CONFIG_NUMA...
Checking mm/memcontrol.c: CONFIG_PRINTK...
Checking mm/memcontrol.c: CONFIG_PROVE_LOCKING...
Checking mm/memcontrol.c: CONFIG_SLAB...
Checking mm/memcontrol.c: CONFIG_SLAB;CONFIG_SLUB_DEBUG...
Checking mm/memcontrol.c: CONFIG_SLAB_FREELIST_RANDOM...
Checking mm/memcontrol.c: CONFIG_SLOB...
Checking mm/memcontrol.c: CONFIG_SLUB...
Checking mm/memcontrol.c: CONFIG_SLUB;CONFIG_SLUB_DEBUG...
Checking mm/memcontrol.c: CONFIG_SLUB_DEBUG...
Checking mm/memcontrol.c: CONFIG_SLUB_DEBUG;CONFIG_SLUB_DEBUG_ON...
Checking mm/memcontrol.c: CONFIG_SMP...
Checking mm/memcontrol.c: CONFIG_SPARSEMEM...
Checking mm/memcontrol.c: CONFIG_SWAP...
Checking mm/memcontrol.c: CONFIG_TRANSPARENT_HUGEPAGE...
Checking mm/memcontrol.c: CONFIG_ZONE_DMA32...
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Re: [PATCH 1/1] Fix uninitialiazed variable bug
2022-01-09 1:15 Re: [PATCH 1/1] Fix uninitialiazed variable bug Ercan Ersoy
@ 2022-01-09 1:44 ` Linus Torvalds
0 siblings, 0 replies; 2+ messages in thread
From: Linus Torvalds @ 2022-01-09 1:44 UTC (permalink / raw)
To: Ercan Ersoy; +Cc: Security Officers, stable
On Sat, Jan 8, 2022 at 5:15 PM Ercan Ersoy <ercanersoy@ercanersoy.net> wrote:
>
> I'm using cppcheck 2.3.
Hmm. I don't see any warnings on Fedora with cppcheck-2.6.
So maybe the problem has already been fixed in newer versions of
cppcheck. Or maybe it's some other config difference here...
Linus
^ permalink raw reply [flat|nested] 2+ messages in thread
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2022-01-09 1:15 Re: [PATCH 1/1] Fix uninitialiazed variable bug Ercan Ersoy
2022-01-09 1:44 ` Linus Torvalds
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