[committed,1/2] Propagate GLIBC_TUNABLES in setxid binaries

Message ID 20231003170811.64957-2-siddhesh@sourceware.org
State Committed
Commit 0d5f9ea97f1b39f2a855756078771673a68497e1
Headers
Series [committed,1/2] Propagate GLIBC_TUNABLES in setxid binaries |

Checks

Context Check Description
linaro-tcwg-bot/tcwg_glibc_build--master-arm warning Patch is already merged
linaro-tcwg-bot/tcwg_glibc_build--master-aarch64 warning Patch is already merged
linaro-tcwg-bot/tcwg_glibc_check--master-aarch64 warning Patch is already merged
linaro-tcwg-bot/tcwg_glibc_check--master-arm warning Patch is already merged

Commit Message

Siddhesh Poyarekar Oct. 3, 2023, 5:08 p.m. UTC
  GLIBC_TUNABLES scrubbing happens earlier than envvar scrubbing and some
tunables are required to propagate past setxid boundary, like their
env_alias.  Rely on tunable scrubbing to clean out GLIBC_TUNABLES like
before, restoring behaviour in glibc 2.37 and earlier.

Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
---
 sysdeps/generic/unsecvars.h | 1 -
 1 file changed, 1 deletion(-)
  

Patch

diff --git a/sysdeps/generic/unsecvars.h b/sysdeps/generic/unsecvars.h
index 81397fb90b..8278c50a84 100644
--- a/sysdeps/generic/unsecvars.h
+++ b/sysdeps/generic/unsecvars.h
@@ -4,7 +4,6 @@ 
 #define UNSECURE_ENVVARS \
   "GCONV_PATH\0"							      \
   "GETCONF_DIR\0"							      \
-  "GLIBC_TUNABLES\0"							      \
   "HOSTALIASES\0"							      \
   "LD_AUDIT\0"								      \
   "LD_DEBUG\0"								      \