git-server-git.apps.pok.os.sepia.ceph.com Git

author	Helen Koike <koike@igalia.com>
	Tue, 17 Mar 2026 14:23:10 +0000 (11:23 -0300)
committer	Theodore Ts'o <tytso@mit.edu>
	Sat, 28 Mar 2026 03:36:11 +0000 (23:36 -0400)
commit	3822743dc20386d9897e999dbb990befa3a5b3f8
tree	2e1c8ecf3a414ec8a877346978d494533667b5d4	tree \| snapshot
parent	9e1b14320b154094bb2c1bee6d8c6cb851fc3215	commit \| diff

ext4: reject mount if bigalloc with s_first_data_block != 0

bigalloc with s_first_data_block != 0 is not supported, reject mounting
it.

Signed-off-by: Helen Koike <koike@igalia.com>
Suggested-by: Theodore Ts'o <tytso@mit.edu>
Reported-by: syzbot+b73703b873a33d8eb8f6@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=b73703b873a33d8eb8f6
Link: https://patch.msgid.link/20260317142325.135074-1-koike@igalia.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org