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: 1000197d8013 ("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

..

.gitignore

.gitignore: add SPDX License Identifier

2020-03-25 11:50:48 +01:00

asm-offsets.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13

2019-05-21 11:28:45 +02:00

cpuinfo.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13

2019-05-21 11:28:45 +02:00

entry.S

nios2: enable HAVE_COPY_THREAD_TLS, switch to kernel_clone_args

2020-07-04 23:41:06 +02:00

head.S

nios2: Kernel booting and initialization

2014-12-08 12:55:49 +08:00

insnemu.S

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13

2019-05-21 11:28:45 +02:00

irq.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13

2019-05-21 11:28:45 +02:00

kgdb.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13

2019-05-21 11:28:45 +02:00

Makefile

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

misaligned.c

nios2: remove unused statistic counters

2015-09-08 01:32:34 +08:00

module.c

mm: don't include asm/pgtable.h if linux/mm.h is already included

2020-06-09 09:39:13 -07:00

nios2_ksyms.c

mm: reorder includes after introduction of linux/pgtable.h

2020-06-09 09:39:13 -07:00

process.c

sched/idle: Fix arch_cpu_idle() vs tracing

2020-11-24 16:47:35 +01:00

prom.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13

2019-05-21 11:28:45 +02:00

ptrace.c

nios2: switch to ->regset_get()

2020-07-27 14:31:11 -04:00

setup.c

arch/nios2/setup: Drop dummy_con initialization

2020-01-14 15:29:17 +01:00

signal.c

nios32: add support for TIF_NOTIFY_SIGNAL

2020-11-09 08:16:55 -07:00

sys_nios2.c

Take mmap lock in cacheflush syscall

2021-02-19 15:01:59 +08:00

syscall_table.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201

2019-05-30 11:29:52 -07:00

time.c

nios2: Convert to using %pOFn instead of device_node.name

2018-09-28 16:39:27 -05:00

traps.c

kernel: rename show_stack_loglvl() => show_stack()

2020-06-09 09:39:13 -07:00

vmlinux.lds.S

vmlinux.lds.h: Split ELF_DETAILS from STABS_DEBUG

2020-09-01 09:50:35 +02:00