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glusterfs
0001-glusterfs-fix-heap-buffer-overflow-on-star...
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File 0001-glusterfs-fix-heap-buffer-overflow-on-startup.patch of Package glusterfs
From 5d0533d0858194ed6d365f1080db7ab10d0e3d11 Mon Sep 17 00:00:00 2001 From: Jan Engelhardt <jengelh@inai.de> Date: Wed, 5 Jul 2023 18:15:22 +0900 Subject: [PATCH] glusterfs: fix heap-buffer-overflow on startup References: https://github.com/gluster/glusterfs/issues/4192 ==4418==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x613000000190 at pc 0x7f028cd2341c bp 0x7ffd9c5ba7e0 sp 0x7ffd9c5ba7d8 WRITE of size 8 at 0x613000000190 thread T0 f0 in mem_get_pool_list ~/libglusterfs/src/mem-pool.c:786 0x613000000190 is located 0 bytes after 336-byte region [0x613000000040,0x613000000190) allocated by thread T0 here: f0 in malloc (/usr/lib64/libasan.so.8+0xdc04f) (BuildId: 44194dcf14c212b57346030492309d59d5379ae1) f1 in __gf_default_malloc glusterfs/mem-pool.h:112 f2 in mem_get_pool_list ~/libglusterfs/src/mem-pool.c:778 ``NPOOLS-1`` is just wrong. ``per_thread_pool_list_t`` does not include one free ``per_thread_pool_t``. Fixes: https://github.com/gluster/glusterfs/issues/4192 Fixes: v11dev-211-g1cfff6e6ec ("Use flexible array members (#3411)") Signed-off-by: Jan Engelhardt <jengelh@inai.de> --- libglusterfs/src/mem-pool.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/libglusterfs/src/mem-pool.c b/libglusterfs/src/mem-pool.c index f053fdceae..e258758158 100644 --- a/libglusterfs/src/mem-pool.c +++ b/libglusterfs/src/mem-pool.c @@ -589,8 +589,7 @@ mem_pools_preinit(void) } pool_list_size = sizeof(per_thread_pool_list_t) + - sizeof(per_thread_pool_t) * (NPOOLS - 1); - + sizeof(per_thread_pool_t) * NPOOLS; init_done = GF_MEMPOOL_INIT_EARLY; } -- 2.41.0
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