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openSUSE:Factory:LegacyX86
src_vipa
src_vipa-fix-abend-in-memcpy.patch
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File src_vipa-fix-abend-in-memcpy.patch of Package src_vipa
From dda5d7f265c382fa1cedd34b6e45e378e1b0c99a Mon Sep 17 00:00:00 2001 From: Karsten Graul <kgraul@linux.ibm.com> Date: Wed, 17 Jul 2019 11:07:39 +0200 Subject: src_vipa: Fix abend in memcpy References: bsc#1141887 bsc#1142048 bsc#1192860 Customer encountered an abend in memcpy(). get_src_ip_entry() calls dm_hash_val() which itself calls memcpy to copy a sockaddr structure into local storage, but the specified length is longer than the length of the sockaddr structure. The fix is to use the correct length for the respective address family. Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> --- src_vipa.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src_vipa.c b/src_vipa.c index 78b2825..776f9d3 100644 --- a/src_vipa.c +++ b/src_vipa.c @@ -706,7 +706,9 @@ unsigned int dm_hash_val(struct sockaddr_storage *s, int masklen) { struct sockaddr_storage var; - memcpy(&var,s,sizeof(struct sockaddr_storage)); + memcpy(&var,s,(s->ss_family == AF_INET) + ? sizeof(struct sockaddr_in) + : sizeof(struct sockaddr_in6)); return (s->ss_family == AF_INET) ? dm_hash_val_ip4(&(((struct sockaddr_in *)&var)->sin_addr), masklen) : dm_hash_val_ip6(&(((struct sockaddr_in6 *)&var)->sin6_addr), masklen); -- 2.22.0.windows.1
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