Re: KASAN: use-after-free Write in _free_event

2019-02-16 Thread Xie XiuQi
Hi everyone, I meet this bug two times, does anyone has idea to fix this issue ? (See attachments) == BUG: KASAN: use-after-free in atomic_dec_and_test include/asm-generic/atomic-instrumented.h:259 [inline] BUG: KASAN:

Re: KASAN: use-after-free Write in _free_event

2018-07-09 Thread syzbot
syzbot has found a reproducer for the following crash on: HEAD commit:092150a25cb7 Merge branch 'for-linus' of git://git.kernel... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16627cc240 kernel config:

Re: KASAN: use-after-free Write in _free_event

2018-07-09 Thread syzbot
syzbot has found a reproducer for the following crash on: HEAD commit:092150a25cb7 Merge branch 'for-linus' of git://git.kernel... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16627cc240 kernel config:

Re: KASAN: use-after-free Write in _free_event

2018-07-09 Thread Dmitry Vyukov
On Mon, Jul 9, 2018 at 12:11 PM, Alexander Shishkin wrote: > syzbot writes: > >> Hello, >> >> syzbot found the following crash on: >> >> HEAD commit:b2d44d145d2a Merge tag '4.18-rc3-smb3fixes' of git://git.s.. >> git tree: upstream >> console output:

Re: KASAN: use-after-free Write in _free_event

2018-07-09 Thread Dmitry Vyukov
On Mon, Jul 9, 2018 at 12:11 PM, Alexander Shishkin wrote: > syzbot writes: > >> Hello, >> >> syzbot found the following crash on: >> >> HEAD commit:b2d44d145d2a Merge tag '4.18-rc3-smb3fixes' of git://git.s.. >> git tree: upstream >> console output:

Re: KASAN: use-after-free Write in _free_event

2018-07-09 Thread Alexander Shishkin
syzbot writes: > Hello, > > syzbot found the following crash on: > > HEAD commit:b2d44d145d2a Merge tag '4.18-rc3-smb3fixes' of git://git.s.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=178cf50c40 > kernel config:

Re: KASAN: use-after-free Write in _free_event

2018-07-09 Thread Alexander Shishkin
syzbot writes: > Hello, > > syzbot found the following crash on: > > HEAD commit:b2d44d145d2a Merge tag '4.18-rc3-smb3fixes' of git://git.s.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=178cf50c40 > kernel config:

KASAN: use-after-free Write in _free_event

2018-07-08 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:b2d44d145d2a Merge tag '4.18-rc3-smb3fixes' of git://git.s.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=178cf50c40 kernel config: https://syzkaller.appspot.com/x/.config?x=2ca6c7a31d407f86

KASAN: use-after-free Write in _free_event

2018-07-08 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:b2d44d145d2a Merge tag '4.18-rc3-smb3fixes' of git://git.s.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=178cf50c40 kernel config: https://syzkaller.appspot.com/x/.config?x=2ca6c7a31d407f86