Peter Zijlstra 8337204c58 futex: Handle invalid node numbers supplied by user ... syzbot used a negative node number which was not rejected early and led to invalid memory access in node_possible(). Reject negative node numbers except for FUTEX_NO_NODE. [bigeasy: Keep the FUTEX_NO_NODE check] Closes: https://lore.kernel.org/all/6835bfe3.a70a0220.253bc2.00b5.GAE@google.com/ Fixes: cec199c5e3 ("futex: Implement FUTEX2_NUMA") Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reported-by: syzbot+9afaf6749e3a7aa1bdf3@syzkaller.appspotmail.com Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20250528085521.1938355-4-bigeasy@linutronix.de		2025-06-05 14:37:58 +02:00
..
core.c	futex: Handle invalid node numbers supplied by user	2025-06-05 14:37:58 +02:00
futex.h	futex: Fix kernel-doc comments	2025-05-16 09:33:53 +02:00
Makefile	futex: Split out wait/wake	2021-10-07 13:51:11 +02:00
pi.c	futex: Introduce futex_q_lockptr_lock()	2025-05-03 12:02:07 +02:00
requeue.c	futex: Allow to resize the private local hash	2025-05-03 12:02:08 +02:00
syscalls.c	futex: make futex_parse_waitv() available as a helper	2023-09-29 02:37:05 -06:00
waitwake.c	futex: Correct the kernedoc return value for futex_wait_setup().	2025-05-21 13:57:41 +02:00