Re: KASAN: null-ptr-deref Write in media_request_close

2020-06-19 Thread Ricardo CaƱuelo
On jue 18-06-2020 15:38:16, Ezequiel Garcia wrote: > Adding Ricardo. > > Are we seeing this due to the recent syzkaller media controller additions? > > Thanks, > Ezequiel It seems like it, yes. The MEDIA_IOC_REQUEST_ALLOC ioctl was defined in https://github.com/google/syzkaller/commit/c5e085d96d

Re: KASAN: null-ptr-deref Write in media_request_close

2020-06-18 Thread syzbot
syzbot has bisected this bug to: commit 016baa59bf9f6c2550480b73f18100285e3a4fd2 Author: Ezequiel Garcia Date: Tue Apr 14 22:06:24 2020 + media: Kconfig: Don't expose the Request API option bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=108d714910 start commit: 7ae

Re: KASAN: null-ptr-deref Write in media_request_close

2020-06-18 Thread syzbot
syzbot has found a reproducer for the following crash on: HEAD commit:7ae77150 Merge tag 'powerpc-5.8-1' of git://git.kernel.org.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1754d1f110 kernel config: https://syzkaller.appspot.com/x/.config?x=be4578b

KASAN: null-ptr-deref Write in media_request_close

2020-06-17 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:7ae77150 Merge tag 'powerpc-5.8-1' of git://git.kernel.org.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13880e7110 kernel config: https://syzkaller.appspot.com/x/.config?x=be4578b3f1083656 das