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nuttx/sched/environ
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Abhishek Mishra db6ab892a2
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fs/binfmt: close symlink TOCTOU and harden setuid/setgid exec hygiene 
Perform pseudo-filesystem permission checks inside inode_reserve() and
inode_remove() while the inode tree lock is held, and hold that lock across
pseudorename mutations so symlink swaps cannot bypass directory checks.
Hold a read lock around pseudo-fs open permission checks.

On setuid/setgid exec, update saved set-IDs, mark the task group secure,
sanitize dangerous environment variables, clear debug/dumpable flags, and
add issetugid(), secure_getenv(), and PR_SET/GET_DUMPABLE support.

Signed-off-by: Abhishek Mishra <mishra.abhishek2808@gmail.com>
2026-08-01 15:32:03 -03:00
..
CMakeLists.txt fs/binfmt: close symlink TOCTOU and harden setuid/setgid exec hygiene 2026-08-01 15:32:03 -03:00
env_clearenv.c sched: migrate to SPDX identifier 2024-09-12 01:10:14 +08:00
env_dup.c sched/environ: rm cestion_in evn 2026-01-17 14:12:42 +08:00
env_findvar.c sched: migrate to SPDX identifier 2024-09-12 01:10:14 +08:00
env_foreach.c sched: migrate to SPDX identifier 2024-09-12 01:10:14 +08:00
env_getenv.c libc/environ: add interrupt context check to getenv 2026-01-21 10:37:55 +08:00
env_getenvironptr.c sched: migrate to SPDX identifier 2024-09-12 01:10:14 +08:00
env_putenv.c sched/env_putenv:putenv is kernel function need use kmm_free 2025-12-18 21:59:31 +08:00
env_release.c sched: migrate to SPDX identifier 2024-09-12 01:10:14 +08:00
env_removevar.c sched: migrate to SPDX identifier 2024-09-12 01:10:14 +08:00
env_secureexec.c fs/binfmt: close symlink TOCTOU and harden setuid/setgid exec hygiene 2026-08-01 15:32:03 -03:00
env_setenv.c sched/environ: rm cestion_in evn 2026-01-17 14:12:42 +08:00
env_unsetenv.c sched/environ: rm cestion_in evn 2026-01-17 14:12:42 +08:00
environ.h fs/binfmt: close symlink TOCTOU and harden setuid/setgid exec hygiene 2026-08-01 15:32:03 -03:00
Make.defs fs/binfmt: close symlink TOCTOU and harden setuid/setgid exec hygiene 2026-08-01 15:32:03 -03:00