syzbot

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BUG: KCSAN: data-race in selinux_inode_permission / selinux_inode_permission

write to 0xffff888116e7f4a0 of 4 bytes by task 13319 on cpu 1:
 task_avdcache_search security/selinux/hooks.c:3146 [inline]
 selinux_inode_permission+0x3ac/0x740 security/selinux/hooks.c:3221
 security_inode_permission+0x6d/0xb0 security/security.c:2324
 inode_permission+0x106/0x310 fs/namei.c:601
 may_lookup fs/namei.c:1836 [inline]
 link_path_walk+0x162/0x900 fs/namei.c:2445
 path_openat+0x1de/0x2170 fs/namei.c:4042
 do_filp_open+0x109/0x230 fs/namei.c:4073
 io_openat2+0x272/0x390 io_uring/openclose.c:142
 io_openat+0x1b/0x30 io_uring/openclose.c:179
 __io_issue_sqe+0xfe/0x2e0 io_uring/io_uring.c:1773
 io_issue_sqe+0x53/0x970 io_uring/io_uring.c:1796
 io_wq_submit_work+0x3f7/0x5f0 io_uring/io_uring.c:1908
 io_worker_handle_work+0x44e/0x9b0 io_uring/io-wq.c:650
 io_wq_worker+0x22e/0x870 io_uring/io-wq.c:704
 ret_from_fork+0xda/0x150 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

write to 0xffff888116e7f4a0 of 4 bytes by task 13317 on cpu 0:
 task_avdcache_search security/selinux/hooks.c:3146 [inline]
 selinux_inode_permission+0x3ac/0x740 security/selinux/hooks.c:3221
 security_inode_permission+0x6d/0xb0 security/security.c:2324
 inode_permission+0x106/0x310 fs/namei.c:601
 may_lookup fs/namei.c:1836 [inline]
 link_path_walk+0x162/0x900 fs/namei.c:2445
 path_openat+0x1de/0x2170 fs/namei.c:4042
 do_filp_open+0x109/0x230 fs/namei.c:4073
 io_openat2+0x272/0x390 io_uring/openclose.c:142
 io_openat+0x1b/0x30 io_uring/openclose.c:179
 __io_issue_sqe+0xfe/0x2e0 io_uring/io_uring.c:1773
 io_issue_sqe+0x53/0x970 io_uring/io_uring.c:1796
 io_wq_submit_work+0x3f7/0x5f0 io_uring/io_uring.c:1908
 io_worker_handle_work+0x44e/0x9b0 io_uring/io-wq.c:650
 io_wq_worker+0x22e/0x870 io_uring/io-wq.c:704
 ret_from_fork+0xda/0x150 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

value changed: 0x00000002 -> 0x00000003

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 UID: 0 PID: 13317 Comm: iou-wrk-13312 Tainted: G        W           syzkaller #0 PREEMPT(voluntary) 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
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