linux/security
Mateusz Guzik 56325e8c68
landlock: fix splats from iput() after it started calling might_sleep()
At this point it is guaranteed this is not the last reference.

However, a recent addition of might_sleep() at top of iput() started
generating false-positives as it was executing for all values.

Remedy the problem by using the newly introduced iput_not_last().

Reported-by: syzbot+12479ae15958fc3f54ec@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/all/68d32659.a70a0220.4f78.0012.GAE@google.com/
Fixes: 2ef435a872 ("fs: add might_sleep() annotation to iput() and more")
Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Link: https://patch.msgid.link/20251105212025.807549-2-mjguzik@gmail.com
Reviewed-by: Mickaël Salaün <mic@digikod.net>
Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-11-12 10:47:42 +01:00
..
apparmor file->f_path constification 2025-10-03 16:32:36 -07:00
bpf bpf: lsm: Remove hook to bpf_task_storage_free 2024-12-16 12:32:31 -08:00
integrity ima: don't clear IMA_DIGSIG flag when setting or removing non-IMA xattr 2025-10-03 07:50:56 -04:00
ipe ipe/stable-6.17 PR 20250728 2025-07-31 09:42:20 -07:00
keys security: keys: use menuconfig for KEYS symbol 2025-10-04 17:25:35 +03:00
landlock landlock: fix splats from iput() after it started calling might_sleep() 2025-11-12 10:47:42 +01:00
loadpin loadpin: remove MODULE_COMPRESS_NONE as it is no longer supported 2025-03-03 09:35:50 -08:00
lockdown lockdown: initialize local array before use to quiet static analysis 2025-01-05 12:48:43 -05:00
safesetid safesetid: check size of policy writes 2025-01-04 22:46:09 -05:00
selinux Simplifying ->d_name audits, easy part. 2025-10-03 11:14:02 -07:00
smack Simplifying ->d_name audits, easy part. 2025-10-03 11:14:02 -07:00
tomoyo copy_process: pass clone_flags as u64 across calltree 2025-09-01 15:31:34 +02:00
yama yama: don't abuse rcu_read_lock/get_task_struct in yama_task_prctl() 2025-03-07 19:58:05 -08:00
commoncap.c exec: Correct the permission check for unsafe exec 2025-06-23 10:38:39 -05:00
device_cgroup.c device_cgroup: Fix kernel-doc warnings in device_cgroup 2023-06-21 09:30:49 -04:00
inode.c make securityfs_remove() remove the entire subtree 2025-06-11 18:19:46 -04:00
Kconfig lsm: CONFIG_LSM can depend on CONFIG_SECURITY 2025-09-11 16:32:04 -04:00
Kconfig.hardening rust: add bitmap API. 2025-09-22 15:52:44 -04:00
lsm_audit.c net: Retire DCCP socket. 2025-04-11 18:58:10 -07:00
lsm_syscalls.c lsm: use 32-bit compatible data types in LSM syscalls 2024-03-14 11:31:26 -04:00
Makefile lsm: Only build lsm_audit.c if CONFIG_SECURITY and CONFIG_AUDIT are set 2025-01-04 11:50:44 -05:00
min_addr.c security: use umax() to improve code 2025-08-18 15:41:47 -04:00
security.c Simplifying ->d_name audits, easy part. 2025-10-03 11:14:02 -07:00