Syzkaller reports warning in ext4_set_page_dirty() in 5.10 stable releases. The problem can be fixed by the following patches which can be cleanly applied to the 5.10 branch. Found by Linux Verification Center (linuxtesting.org) with Syzkaller. Link: https://syzkaller.appspot.com/bug?extid=02f21431b65c214aa1d6 Matthew Wilcox (Oracle) (2): mm/truncate: Inline invalidate_complete_page() into its one caller mm/truncate: Replace page_mapped() call in invalidate_inode_page() kernel/futex/core.c | 2 +- mm/truncate.c | 34 +++++++--------------------------- 2 files changed, 8 insertions(+), 28 deletions(-) -- 2.34.1