tree 6cecd047ea52b6e8621ec87dcad7c23471132b5d
parent b9d8cbe90a0f27f2ec4f6f32e7faf86282eb4d7d
author Seth Jenkins <sethjenkins@google.com> 1666885012 -0400
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1667031178 +0200

mm: /proc/pid/smaps_rollup: fix no vma's null-deref

Commit 258f669e7e88 ("mm: /proc/pid/smaps_rollup: convert to single value
seq_file") introduced a null-deref if there are no vma's in the task in
show_smaps_rollup.

Fixes: 258f669e7e88 ("mm: /proc/pid/smaps_rollup: convert to single value seq_file")
Signed-off-by: Seth Jenkins <sethjenkins@google.com>
Reviewed-by: Alexey Dobriyan <adobriyan@gmail.com>
Tested-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>