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bcachefs: Fix null ptr deref in journal_pins_to_text()
author
Kent Overstreet
<kent.overstreet@linux.dev>
Sun, 23 Jun 2024 16:07:07 +0000
(12:07 -0400)
committer
Kent Overstreet
<kent.overstreet@linux.dev>
Sun, 23 Jun 2024 16:07:07 +0000
(12:07 -0400)
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
fs/bcachefs/journal.c
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diff --git
a/fs/bcachefs/journal.c
b/fs/bcachefs/journal.c
index
dac2f49
..
13669dd
100644
(file)
--- a/
fs/bcachefs/journal.c
+++ b/
fs/bcachefs/journal.c
@@
-1521,6
+1521,11
@@
bool bch2_journal_seq_pins_to_text(struct printbuf *out, struct journal *j, u64
struct journal_entry_pin *pin;
spin_lock(&j->lock);
+ if (!test_bit(JOURNAL_running, &j->flags)) {
+ spin_unlock(&j->lock);
+ return true;
+ }
+
*seq = max(*seq, j->pin.front);
if (*seq >= j->pin.back) {