Re: WARNING: kernel stack frame pointer has bad value (2)

2018-09-09 Thread syzbot
syzbot has found a reproducer for the following crash on: HEAD commit:28619527b8a7 Merge git://git.kernel.org/pub/scm/linux/kern.. git tree: bpf console output: https://syzkaller.appspot.com/x/log.txt?x=14800f0a40 kernel config: https://syzkaller.appspot.com/x/.config?x=8f59875069d

Re: WARNING: kernel stack frame pointer has bad value (2)

2018-08-27 Thread syzbot
syzbot has found a reproducer for the following crash on: HEAD commit:2ad0d5269970 Merge git://git.kernel.org/pub/scm/linux/kern.. git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=14f7f36a40 kernel config: https://syzkaller.appspot.com/x/.config?x=79e695

Re: WARNING: kernel stack frame pointer has bad value (2)

2018-07-16 Thread Dmitry Vyukov
On Mon, Jul 16, 2018 at 10:20 AM, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit:c31496dbacc2 Merge tag 'for-linus-4.18-rc5-tag' of git://g.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=136d770c40 > kernel config:

WARNING: kernel stack frame pointer has bad value (2)

2018-07-16 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:c31496dbacc2 Merge tag 'for-linus-4.18-rc5-tag' of git://g.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=136d770c40 kernel config: https://syzkaller.appspot.com/x/.config?x=25856fac4e580aa7 da

Re: WARNING: kernel stack frame pointer has bad value

2018-04-19 Thread Dmitry Vyukov
On Thu, Apr 19, 2018 at 5:57 PM, syzbot wrote: > Hello, > > syzbot hit the following crash on upstream commit > 48023102b7078a6674516b1fe0d639669336049d (Fri Apr 13 23:55:41 2018 +) > Merge branch 'overlayfs-linus' of > git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs > syzbot dashbo

WARNING: kernel stack frame pointer has bad value

2018-04-19 Thread syzbot
Hello, syzbot hit the following crash on upstream commit 48023102b7078a6674516b1fe0d639669336049d (Fri Apr 13 23:55:41 2018 +) Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs syzbot dashboard link: https://syzkaller.appspot.com/bug?extid=37035c

Re: WARNING: kernel stack frame pointer has bad value

2017-04-19 Thread Josh Poimboeuf
On Wed, Apr 19, 2017 at 10:12:03AM -0400, Steven Rostedt wrote: > On Wed, 19 Apr 2017 08:44:57 -0500 > Josh Poimboeuf wrote: > > > On Tue, Apr 18, 2017 at 11:37:14PM -0400, Steven Rostedt wrote: > > > Josh, > > > > > > I'm starting to get a bunch of these warnings, and I'm thinking they > > > ar

Re: WARNING: kernel stack frame pointer has bad value

2017-04-19 Thread Steven Rostedt
On Wed, 19 Apr 2017 08:44:57 -0500 Josh Poimboeuf wrote: > On Tue, Apr 18, 2017 at 11:37:14PM -0400, Steven Rostedt wrote: > > Josh, > > > > I'm starting to get a bunch of these warnings, and I'm thinking they > > are false positives. The stack frame error is recorded at a call from > > entry_SY

Re: WARNING: kernel stack frame pointer has bad value

2017-04-19 Thread Josh Poimboeuf
On Tue, Apr 18, 2017 at 11:37:14PM -0400, Steven Rostedt wrote: > Josh, > > I'm starting to get a bunch of these warnings, and I'm thinking they > are false positives. The stack frame error is recorded at a call from > entry_SYSCALL_64_fastpath, where I would expect the bp to not be valid. > > To

WARNING: kernel stack frame pointer has bad value

2017-04-18 Thread Steven Rostedt
Josh, I'm starting to get a bunch of these warnings, and I'm thinking they are false positives. The stack frame error is recorded at a call from entry_SYSCALL_64_fastpath, where I would expect the bp to not be valid. To trigger this, I only need to go into /sys/kernel/debug/tracing and echo funct