Paul Moore eaf0e7a3d2 lsm: handle the NULL buffer case in lsm_fill_user_ctx() ... Passing a NULL buffer into the lsm_get_self_attr() syscall is a valid way to quickly determine the minimum size of the buffer needed to for the syscall to return all of the LSM attributes to the caller. Unfortunately we/I broke that behavior in commit d7cf3412a9 ("lsm: consolidate buffer size handling into lsm_fill_user_ctx()") such that it returned an error to the caller; this patch restores the original desired behavior of using the NULL buffer as a quick way to correctly size the attribute buffer. Cc: stable@vger.kernel.org Fixes: d7cf3412a9 ("lsm: consolidate buffer size handling into lsm_fill_user_ctx()") Signed-off-by: Paul Moore <paul@paul-moore.com>		2024-03-14 11:31:26 -04:00
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apparmor	lsm: use 32-bit compatible data types in LSM syscalls	2024-03-14 11:31:26 -04:00
bpf	lsm: mark the lsm_id variables are marked as static	2023-11-12 22:54:42 -05:00
integrity	lsm/stable-6.9 PR 20240312	2024-03-12 20:03:34 -07:00
keys	ima: Move to LSM infrastructure	2024-02-15 23:43:46 -05:00
landlock	landlock: Fix asymmetric private inodes referring	2024-02-26 18:23:53 +01:00
loadpin	lsm: mark the lsm_id variables are marked as static	2023-11-12 22:54:42 -05:00
lockdown	LSM: Identify modules by more than name	2023-11-12 22:54:42 -05:00
safesetid	lsm: mark the lsm_id variables are marked as static	2023-11-12 22:54:42 -05:00
selinux	lsm: use 32-bit compatible data types in LSM syscalls	2024-03-14 11:31:26 -04:00
smack	lsm: use 32-bit compatible data types in LSM syscalls	2024-03-14 11:31:26 -04:00
tomoyo	tomoyo: fix UAF write bug in tomoyo_write_control()	2024-03-01 11:14:00 -08:00
yama	lsm: mark the lsm_id variables are marked as static	2023-11-12 22:54:42 -05:00
commoncap.c	lsm: mark the lsm_id variables are marked as static	2023-11-12 22:54:42 -05:00
device_cgroup.c	device_cgroup: Fix kernel-doc warnings in device_cgroup	2023-06-21 09:30:49 -04:00
inode.c	security: convert to new timestamp accessors	2023-10-18 14:08:31 +02:00
Kconfig	mm/slab: remove HAVE_HARDENED_USERCOPY_ALLOCATOR	2023-05-24 15:38:17 +02:00
Kconfig.hardening	hardening: Move BUG_ON_DATA_CORRUPTION to hardening options	2023-08-15 14:57:25 -07:00
lsm_audit.c	lsm: fix a number of misspellings	2023-05-25 17:52:15 -04:00
lsm_syscalls.c	lsm: use 32-bit compatible data types in LSM syscalls	2024-03-14 11:31:26 -04:00
Makefile	LSM: syscalls for current process attributes	2023-11-12 22:54:42 -05:00
min_addr.c	sysctl: pass kernel pointers to ->proc_handler	2020-04-27 02:07:40 -04:00
security.c	lsm: handle the NULL buffer case in lsm_fill_user_ctx()	2024-03-14 11:31:26 -04:00