Jann Horn c26958cb5a Take mmap lock in cacheflush syscall ... We need to take the mmap lock around find_vma() and subsequent use of the VMA. Otherwise, we can race with concurrent operations like munmap(), which can lead to use-after-free accesses to freed VMAs. Fixes: 1000197d80 ("nios2: System calls handling") Signed-off-by: Jann Horn <jannh@google.com> Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>		2021-02-19 15:01:59 +08:00
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boot	nios2 update for v5.7-rc1	2020-04-11 11:38:44 -07:00
configs	sysctl: Remove the sysctl system call	2019-11-26 13:03:56 -06:00
include	tif-task_work.arch-2020-12-14	2020-12-16 12:33:35 -08:00
kernel	Take mmap lock in cacheflush syscall	2021-02-19 15:01:59 +08:00
lib	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234	2019-06-19 17:09:07 +02:00
mm	mm/nios2: use general page fault accounting	2020-08-12 10:58:03 -07:00
platform	arch: nios2: Enable the common clk subsystem on Nios2	2020-04-11 01:45:28 +08:00
Kconfig	timekeeping: default GENERIC_CLOCKEVENTS to enabled	2020-10-30 21:57:07 +01:00
Kconfig.debug	nios2: remove pointless second entry for CONFIG_TRACE_IRQFLAGS_SUPPORT	2019-07-04 11:32:09 +08:00
Makefile	kbuild: consolidate Devicetree dtb build rules	2018-10-02 09:23:21 -05:00