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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2018-07-17 19:19:14 +0300 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-23 00:08:07 +0300 |
| commit | 4077991c8536595b50b52bab739ef1e9ac6a72cf (patch) | |
| tree | 5b4b6c1cea87f26aaff4491e1e40d96b8b99c270 /fs/bcachefs/journal_reclaim.h | |
| parent | 97446a242a56f9350be7b8985ed933fe9118f41e (diff) | |
| download | linux-4077991c8536595b50b52bab739ef1e9ac6a72cf.tar.xz | |
bcachefs: Fix a use after free in the journal code
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/journal_reclaim.h')
| -rw-r--r-- | fs/bcachefs/journal_reclaim.h | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/fs/bcachefs/journal_reclaim.h b/fs/bcachefs/journal_reclaim.h index a93ed43cfc78..f5af4252c88a 100644 --- a/fs/bcachefs/journal_reclaim.h +++ b/fs/bcachefs/journal_reclaim.h @@ -6,19 +6,17 @@ static inline bool journal_pin_active(struct journal_entry_pin *pin) { - return pin->pin_list != NULL; + return pin->seq != 0; } static inline struct journal_entry_pin_list * journal_seq_pin(struct journal *j, u64 seq) { - BUG_ON(seq < j->pin.front || seq >= j->pin.back); + EBUG_ON(seq < j->pin.front || seq >= j->pin.back); return &j->pin.data[seq & j->pin.mask]; } -u64 bch2_journal_pin_seq(struct journal *, struct journal_entry_pin *); - void bch2_journal_pin_add(struct journal *, u64, struct journal_entry_pin *, journal_pin_flush_fn); void bch2_journal_pin_drop(struct journal *, struct journal_entry_pin *); @@ -26,6 +24,7 @@ void bch2_journal_pin_add_if_older(struct journal *, struct journal_entry_pin *, struct journal_entry_pin *, journal_pin_flush_fn); +void bch2_journal_pin_flush(struct journal *, struct journal_entry_pin *); void bch2_journal_reclaim_fast(struct journal *); void bch2_journal_reclaim_work(struct work_struct *); |