[PATCH] security: apparmor: Allow QEMU read /proc/sys/vm/max_map_count
In its commit v9.0.0-rc0~1^2 QEMU started to read
/proc/sys/vm/max_map_count file to set up coroutine limits better
(something about VMAs, mmap(), see the commit for more info).
Allow the file in apparmor profile.
Resolves: https://gitlab.com/libvirt/libvirt/-/issues/660
Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com>
---
src/security/apparmor/libvirt-qemu.in | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/security/apparmor/libvirt-qemu.in
b/src/security/apparmor/libvirt-qemu.in
index 8b92915281..8f17256554 100644
--- a/src/security/apparmor/libvirt-qemu.in
+++ b/src/security/apparmor/libvirt-qemu.in
@@ -34,6 +34,7 @@
# only modify its comm value or those in its thread group.
owner @{PROC}/@{pid}/task/@{tid}/comm rw,
@{PROC}/sys/kernel/cap_last_cap r,
+ @{PROC}/sys/vm/max_map_count r,
@{PROC}/sys/vm/overcommit_memory r,
# detect hardware capabilities via qemu_getauxval
owner @{PROC}/*/auxv r,
--
2.44.2