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H A D | xattr.c | f31173c1 Mon Jan 02 19:45:17 CST 2023 Jun Nie <jun.nie@linaro.org> ext4: refuse to create ea block when umounted
The ea block expansion need to access s_root while it is already set as NULL when umount is triggered. Refuse this request to avoid panic.
Reported-by: syzbot+2dacb8f015bf1420155f@syzkaller.appspotmail.com Link: https://syzkaller.appspot.com/bug?id=3613786cb88c93aa1c6a279b1df6a7b201347d08 Link: https://lore.kernel.org/r/20230103014517.495275-3-jun.nie@linaro.org Cc: stable@kernel.org Signed-off-by: Jun Nie <jun.nie@linaro.org> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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