memory leak in ext4_multi_mount_protect

2021-04-13 Thread Pavel Skripkin
Hi! I've done debugging on this issue https://syzkaller.appspot.com/bug?id=420258a304e5d92cfef6b0097f87b42506e1db08 and I want to ask you about proper way of fixing it. The problem was in case sbi->s_mmp_tsk hasn’t started at the time of kthread_stop() call. In that case allocated data won't be

Re: [syzbot] memory leak in ext4_multi_mount_protect

2021-04-08 Thread syzbot
syzbot has found a reproducer for the following issue on: HEAD commit:4fa56ad0 Merge tag 'for-linus' of git://git.kernel.org/pub.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=12390a96d0 kernel config:

memory leak in ext4_multi_mount_protect

2020-12-24 Thread syzbot
Hello, syzbot found the following issue on: HEAD commit:467f8165 Merge tag 'close-range-cloexec-unshare-v5.11' of .. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=12b7fccb50 kernel config: https://syzkaller.appspot.com/x/.config?x=37c889fb8b2761af