On Thu, Jan 11, 2024 at 02:37:45PM +0000, Roman Smirnov wrote: > 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. I do not understand the crash, and I do not understand why this patch would fix it. Can you explain either? > 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 >