In commit
71052dcf4be70 ("crypto: scompress - Use per-CPU struct instead
multiple variables") I accidentally initialized multiple times the memory on a
random CPU. I should have initialize the memory on every CPU like it has
been done earlier. I didn't notice this because the scheduler didn't
move the task to another CPU.
Guenter managed to do that and the code crashed as expected.
Allocate / free per-CPU memory on each CPU.
Fixes: 71052dcf4be70 ("crypto: scompress - Use per-CPU struct instead multiple variables")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
int i;
for_each_possible_cpu(i) {
- scratch = raw_cpu_ptr(&scomp_scratch);
+ scratch = per_cpu_ptr(&scomp_scratch, i);
vfree(scratch->src);
vfree(scratch->dst);
for_each_possible_cpu(i) {
void *mem;
- scratch = raw_cpu_ptr(&scomp_scratch);
+ scratch = per_cpu_ptr(&scomp_scratch, i);
mem = vmalloc_node(SCOMP_SCRATCH_SIZE, cpu_to_node(i));
if (!mem)