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Fix Seccomp filter on CentOS 8.3 (Bug#47828).

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* lib-src/seccomp-filter.c (main): mmap: Also allow MAP_SHARED.
This commit is contained in:
Philipp Stephani 2021-04-18 10:33:41 +02:00
parent 18836fc2d0
commit 2822246b5d
1 changed files with 3 additions and 3 deletions
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6
lib-src/seccomp-filter.c
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@ -183,9 +183,9 @@ main (int argc, char **argv)
some versions of the dynamic loader still use it. Also
allow allocating thread stacks. */
SCMP_A3_32 (SCMP_CMP_MASKED_EQ,
~(MAP_PRIVATE | MAP_FILE | MAP_ANONYMOUS
| MAP_FIXED | MAP_DENYWRITE | MAP_STACK
| MAP_NORESERVE),
~(MAP_SHARED | MAP_PRIVATE | MAP_FILE
| MAP_ANONYMOUS | MAP_FIXED | MAP_DENYWRITE
| MAP_STACK | MAP_NORESERVE),
0));
RULE (SCMP_ACT_ALLOW, SCMP_SYS (mmap),
SCMP_A2_32 (SCMP_CMP_MASKED_EQ,