Re: UBSAN: shift-out-of-bounds in ext4_fill_super

2020-12-15 Thread Dmitry Vyukov
On Mon, Dec 14, 2020 at 9:36 PM Theodore Y. Ts'o wrote: > > (Dropping off-topic lists) > > On Mon, Dec 14, 2020 at 03:37:37PM +0100, Dmitry Vyukov wrote: > > > It's going to make everyone else's tags who pull from ext4.git messy, > > > though, with gobs of tags that probably won't be of use to the

Re: UBSAN: shift-out-of-bounds in ext4_fill_super

2020-12-14 Thread Theodore Y. Ts'o
(Dropping off-topic lists) On Mon, Dec 14, 2020 at 03:37:37PM +0100, Dmitry Vyukov wrote: > > It's going to make everyone else's tags who pull from ext4.git messy, > > though, with gobs of tags that probably won't be of use to them. It > > does avoid the need to use git fetch --tags --force, and

Re: UBSAN: shift-out-of-bounds in ext4_fill_super

2020-12-14 Thread Dmitry Vyukov
On Thu, Dec 10, 2020 at 7:28 PM Theodore Y. Ts'o wrote: > > On Thu, Dec 10, 2020 at 09:09:51AM +0100, Dmitry Vyukov wrote: > > > * [new tag] ext4-for-linus-5.8-rc1-2 -> > > > ext4-for-linus-5.8-rc1-2 > > > ! [rejected] ext4_for_linus -> ext4_for_linu

Re: UBSAN: shift-out-of-bounds in ext4_fill_super

2020-12-10 Thread syzbot
Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+345b75652b1d24227...@syzkaller.appspotmail.com Tested on: commit: e360ba58 ext4: fix a memory leak of ext4_free_data git tree: git://git.kernel.org/pub/scm/lin

Re: UBSAN: shift-out-of-bounds in ext4_fill_super

2020-12-10 Thread Theodore Y. Ts'o
On Thu, Dec 10, 2020 at 09:09:51AM +0100, Dmitry Vyukov wrote: > > * [new tag] ext4-for-linus-5.8-rc1-2 -> > > ext4-for-linus-5.8-rc1-2 > > ! [rejected] ext4_for_linus -> ext4_for_linus > > (would clobber existing tag) > > Interesting. First time I

Re: UBSAN: shift-out-of-bounds in ext4_fill_super

2020-12-10 Thread Dmitry Vyukov
On Thu, Dec 10, 2020 at 9:09 AM Dmitry Vyukov wrote: > > On Thu, Dec 10, 2020 at 4:50 AM syzbot > wrote: > > > > Hello, > > > > syzbot tried to test the proposed patch but the build/boot failed: > > > > failed to checkout kernel repo > > git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.g

Re: UBSAN: shift-out-of-bounds in ext4_fill_super

2020-12-10 Thread Dmitry Vyukov
On Thu, Dec 10, 2020 at 4:50 AM syzbot wrote: > > Hello, > > syzbot tried to test the proposed patch but the build/boot failed: > > failed to checkout kernel repo > git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git on commit > e360ba58d067a30a4e3e7d55ebdd919885a058d6: failed to run ["

Re: UBSAN: shift-out-of-bounds in ext4_fill_super

2020-12-09 Thread syzbot
Hello, syzbot tried to test the proposed patch but the build/boot failed: failed to checkout kernel repo git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git on commit e360ba58d067a30a4e3e7d55ebdd919885a058d6: failed to run ["git" "fetch" "--tags" "d06f7b29746c7f0a52f349ff7fbf2a3f22d27

Re: UBSAN: shift-out-of-bounds in ext4_fill_super

2020-12-09 Thread Theodore Y. Ts'o
On Tue, Dec 08, 2020 at 11:33:11PM -0800, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit:15ac8fdb Add linux-next specific files for 20201207 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=1125c92350 > kernel config