* [PATCH] kallsyms: use kmalloc_array() instead of kmalloc()
@ 2025-09-22 11:34 Sahil Chandna
0 siblings, 0 replies; 2+ messages in thread
From: Sahil Chandna @ 2025-09-22 11:34 UTC (permalink / raw)
To: frederic, linux-kernel; +Cc: chandna.linuxkernel
Replace kmalloc(sizeof(*stat) * 2, GFP_KERNEL) with
kmalloc_array(2, sizeof(*stat), GFP_KERNEL) to prevent potential
overflow, as recommended in Documentation/process/deprecated.rst.
kallsyms: Replace kmalloc with kmalloc_array
Signed-off-by: Sahil Chandna <chandna.linuxkernel@gmail.com>
---
kernel/kallsyms_selftest.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/kallsyms_selftest.c b/kernel/kallsyms_selftest.c
index cf4af5728307..2b082a7e24a2 100644
--- a/kernel/kallsyms_selftest.c
+++ b/kernel/kallsyms_selftest.c
@@ -264,7 +264,7 @@ static int test_kallsyms_basic_function(void)
char namebuf[KSYM_NAME_LEN];
struct test_stat *stat, *stat2;
- stat = kmalloc(sizeof(*stat) * 2, GFP_KERNEL);
+ stat = kmalloc_array(2, sizeof(*stat), GFP_KERNEL);
if (!stat)
return -ENOMEM;
stat2 = stat + 1;
--
2.51.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH] kallsyms: use kmalloc_array() instead of kmalloc()
@ 2025-09-26 7:50 Sahil Chandna
0 siblings, 0 replies; 2+ messages in thread
From: Sahil Chandna @ 2025-09-26 7:50 UTC (permalink / raw)
To: akpm, linux-kernel; +Cc: skhan, david.hunter.linux, Sahil Chandna
Replace kmalloc(sizeof(*stat) * 2, GFP_KERNEL) with
kmalloc_array(2, sizeof(*stat), GFP_KERNEL) to prevent potential
overflow, as recommended in Documentation/process/deprecated.rst.
Signed-off-by: Sahil Chandna <chandna.linuxkernel@gmail.com>
---
kernel/kallsyms_selftest.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/kallsyms_selftest.c b/kernel/kallsyms_selftest.c
index cf4af5728307..2b082a7e24a2 100644
--- a/kernel/kallsyms_selftest.c
+++ b/kernel/kallsyms_selftest.c
@@ -264,7 +264,7 @@ static int test_kallsyms_basic_function(void)
char namebuf[KSYM_NAME_LEN];
struct test_stat *stat, *stat2;
- stat = kmalloc(sizeof(*stat) * 2, GFP_KERNEL);
+ stat = kmalloc_array(2, sizeof(*stat), GFP_KERNEL);
if (!stat)
return -ENOMEM;
stat2 = stat + 1;
--
2.50.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
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2025-09-22 11:34 [PATCH] kallsyms: use kmalloc_array() instead of kmalloc() Sahil Chandna
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2025-09-26 7:50 Sahil Chandna
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