[patch 11/26] dm crypt: fix avoid cloned bio ref after free
-stable review patch. If anyone has any objections, please let us know. -- From: Olaf Kirch <[EMAIL PROTECTED]> Do not access the bio after generic_make_request We should never access a bio after generic_make_request - there's no guarantee it still exists. Signed-off-by: Olaf Kirch <[EMAIL PROTECTED]> Signed-off-by: Alasdair G Kergon <[EMAIL PROTECTED]> Cc: Jens Axboe <[EMAIL PROTECTED]> Signed-off-by: Andrew Morton <[EMAIL PROTECTED]> Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]> Signed-off-by: Chris Wright <[EMAIL PROTECTED]> Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]> --- Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=98221eb757de03d9aa6262b1eded2be708640ccc drivers/md/dm-crypt.c |5 - 1 file changed, 4 insertions(+), 1 deletion(-) --- linux-2.6.21.6.orig/drivers/md/dm-crypt.c +++ linux-2.6.21.6/drivers/md/dm-crypt.c @@ -655,9 +655,12 @@ static void process_write(struct crypt_i generic_make_request(clone); + /* Do not reference clone after this - it +* may be gone already. */ + /* out of memory -> run queues */ if (remaining) - congestion_wait(bio_data_dir(clone), HZ/100); + congestion_wait(WRITE, HZ/100); } } -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[patch 11/26] dm crypt: fix avoid cloned bio ref after free
-stable review patch. If anyone has any objections, please let us know. -- From: Olaf Kirch [EMAIL PROTECTED] Do not access the bio after generic_make_request We should never access a bio after generic_make_request - there's no guarantee it still exists. Signed-off-by: Olaf Kirch [EMAIL PROTECTED] Signed-off-by: Alasdair G Kergon [EMAIL PROTECTED] Cc: Jens Axboe [EMAIL PROTECTED] Signed-off-by: Andrew Morton [EMAIL PROTECTED] Signed-off-by: Linus Torvalds [EMAIL PROTECTED] Signed-off-by: Chris Wright [EMAIL PROTECTED] Signed-off-by: Greg Kroah-Hartman [EMAIL PROTECTED] --- Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=98221eb757de03d9aa6262b1eded2be708640ccc drivers/md/dm-crypt.c |5 - 1 file changed, 4 insertions(+), 1 deletion(-) --- linux-2.6.21.6.orig/drivers/md/dm-crypt.c +++ linux-2.6.21.6/drivers/md/dm-crypt.c @@ -655,9 +655,12 @@ static void process_write(struct crypt_i generic_make_request(clone); + /* Do not reference clone after this - it +* may be gone already. */ + /* out of memory - run queues */ if (remaining) - congestion_wait(bio_data_dir(clone), HZ/100); + congestion_wait(WRITE, HZ/100); } } -- - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
