# \[PATCH RFC 08/38\] powerpc/rtasd: zero the error log buffer - From: Christian Brauner \ - Date: 2026-11-02 14:23:39 - List: linuxppc-dev - Page: https://ratatoskr.run/linuxppc-dev/2026/11/17844922 - Thread: https://ratatoskr.run/linux-fsdevel/2026/11/17844895/t.md ```text rtas_log_read() hands out a whole slot of the error log but pSeries_log_error() only fills in the sequence number and the event, which is usually a lot shorter. The rest of the slot is whatever vmalloc() left there. Use vzalloc(). Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Cc: Signed-off-by: Christian Brauner (Amutable) --- arch/powerpc/kernel/rtasd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/rtasd.c b/arch/powerpc/kernel/rtasd.c index fd40864bdb70..dd0df5e164a3 100644 --- a/arch/powerpc/kernel/rtasd.c +++ b/arch/powerpc/kernel/rtasd.c @@ -523,7 +523,7 @@ static int __init rtas_event_scan_init(void) rtas_error_log_max = rtas_get_error_log_max(); rtas_error_log_buffer_max = rtas_error_log_max + sizeof(int); - rtas_log_buf = vmalloc(array_size(LOG_NUMBER, + rtas_log_buf = vzalloc(array_size(LOG_NUMBER, rtas_error_log_buffer_max)); if (!rtas_log_buf) { printk(KERN_ERR "rtasd: no memory\n"); -- 2.53.0 ```