Commit c53e98934f93 ("mm: vmalloc: use rwsem, mutex for vmap_area_lock and
vmap_block->lock")
is broken. We can't take mutex (a sleeping lock) inside RCU read section (an
atomic context).
@@ -2183,7 +2184,7 @@ static void _vm_unmap_aliases(unsigned long start,
unsigned long end, int flush)
Hello,
syzbot found the following issue on:
HEAD commit:f3594f0204b7 Add linux-next specific files for 20230321
git tree: linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=161552eec8
kernel config: https://syzkaller.appspot.com/x/.config?x=f22105589e896af1
