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| author | Vasily Averin <vvs@virtuozzo.com> | 2020-01-23 12:05:10 +0300 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2020-01-25 10:30:46 +0300 |
| commit | 1a8e9cf40c9a6a2e40b1e924b13ed303aeea4418 (patch) | |
| tree | d62a68e60c0387ac45c79584ca8ec256e764123c /crypto/ghash-generic.c | |
| parent | 17c51d836c19ecc58714fc671a914a47b6ae4db7 (diff) | |
| download | linux-1a8e9cf40c9a6a2e40b1e924b13ed303aeea4418.tar.xz | |
jbd2_seq_info_next should increase position index
if seq_file .next fuction does not change position index,
read after some lseek can generate unexpected output.
Script below generates endless output
$ q=;while read -r r;do echo "$((++q)) $r";done </proc/fs/jbd2/DEV/info
https://bugzilla.kernel.org/show_bug.cgi?id=206283
Fixes: 1f4aace60b0e ("fs/seq_file.c: simplify seq_file iteration code and interface")
Cc: stable@kernel.org
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/d13805e5-695e-8ac3-b678-26ca2313629f@virtuozzo.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'crypto/ghash-generic.c')
0 files changed, 0 insertions, 0 deletions