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authorJoel Stanley <joel@jms.id.au>2020-08-31 03:46:52 +0300
committerJoel Stanley <joel@jms.id.au>2020-08-31 03:46:57 +0300
commit0dd0c8c492fa70707ca4f0d36dcb2e3c64105b16 (patch)
treea420abd8f26264544246602c60d161a7cc4de390 /arch/x86/kernel/process_64.c
parent31d8605658d37d9197a989838508481d5dc1d8bc (diff)
parent9ece50d8a470ca7235ffd6ac0f9c5f0f201fe2c8 (diff)
downloadlinux-dev-5.8.tar.xz
Merge tag 'v5.8.5' into dev-5.8dev-5.8
This is the 5.8.5 stable release Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'arch/x86/kernel/process_64.c')
-rw-r--r--arch/x86/kernel/process_64.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 9a97415b2139..3ebc70bd01e8 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -314,7 +314,7 @@ static unsigned long x86_fsgsbase_read_task(struct task_struct *task,
*/
mutex_lock(&task->mm->context.lock);
ldt = task->mm->context.ldt;
- if (unlikely(idx >= ldt->nr_entries))
+ if (unlikely(!ldt || idx >= ldt->nr_entries))
base = 0;
else
base = get_desc_base(ldt->entries + idx);