diff options
| author | Darrick J. Wong <djwong@kernel.org> | 2025-10-21 11:29:56 -0700 |
|---|---|---|
| committer | Carlos Maiolino <cem@kernel.org> | 2025-10-22 10:04:39 +0200 |
| commit | bd721ec7dedcc24ced51559e42a39140b59dfd08 (patch) | |
| tree | c6ce989e0e338f6221df25f145ef1aa8d6a96630 /lib/timerqueue.c | |
| parent | 0f41997b1b2b769b73415512d2afaae80630e4fe (diff) | |
xfs: don't set bt_nr_sectors to a negative number
xfs_daddr_t is a signed type, which means that xfs_buf_map_verify is
using a signed comparison. This causes problems if bt_nr_sectors is
never overridden (e.g. in the case of an xfbtree for rmap btree repairs)
because even daddr 0 can't pass the verifier test in that case.
Define an explicit max constant and set the initial bt_nr_sectors to a
positive value.
Found by xfs/422.
Cc: stable@vger.kernel.org # v6.18-rc1
Fixes: 42852fe57c6d2a ("xfs: track the number of blocks in each buftarg")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
Diffstat (limited to 'lib/timerqueue.c')
0 files changed, 0 insertions, 0 deletions