fcntl(0, F_SETOWN, 0x8000) triggers:
UBSAN: Undefined behaviour in fs/fcntl.c:118:7
negation of -2147483648 cannot be represented in type 'int':
CPU: 1 PID: 18261 Comm: syz-executor Not tainted 4.8.1-0-syzkaller #1
...
Call Trace:
...
[] ? f_setown+0x1d8/0x200
[] ? SyS_fcntl+0x999/0xf30
[] ?
On 10/14/2016, 03:38 PM, J. Bruce Fields wrote:
> On Fri, Oct 14, 2016 at 07:48:15AM -0400, Jeff Layton wrote:
>> On Fri, 2016-10-14 at 11:23 +0200, Jiri Slaby wrote:
>>> fcntl(0, F_SETOWN, 0x8000) triggers:
>>> UBSAN: Undefined behaviour in fs/fcntl.c:118:7
>>> negation of -2147483648 cannot b
On Mon, 2016-10-24 at 11:15 +0200, Jiri Slaby wrote:
> On 10/14/2016, 03:38 PM, J. Bruce Fields wrote:
> >
> > On Fri, Oct 14, 2016 at 07:48:15AM -0400, Jeff Layton wrote:
> > >
> > > On Fri, 2016-10-14 at 11:23 +0200, Jiri Slaby wrote:
> > > >
> > > > fcntl(0, F_SETOWN, 0x8000) triggers:
>
On 10/24/2016, 01:29 PM, Jeff Layton wrote:
> It looks like it lists this as a "may fail" case:
>
> http://pubs.opengroup.org/onlinepubs/9699919799/functions/fcntl.html
>
> [EINVAL]
> The cmd argument is F_SETOWN and the value of the argument
> is not valid as a process or
On Fri, 2016-10-14 at 11:23 +0200, Jiri Slaby wrote:
> fcntl(0, F_SETOWN, 0x8000) triggers:
> UBSAN: Undefined behaviour in fs/fcntl.c:118:7
> negation of -2147483648 cannot be represented in type 'int':
> CPU: 1 PID: 18261 Comm: syz-executor Not tainted 4.8.1-0-syzkaller #1
> ...
> Call Trace:
On Fri, Oct 14, 2016 at 07:48:15AM -0400, Jeff Layton wrote:
> On Fri, 2016-10-14 at 11:23 +0200, Jiri Slaby wrote:
> > fcntl(0, F_SETOWN, 0x8000) triggers:
> > UBSAN: Undefined behaviour in fs/fcntl.c:118:7
> > negation of -2147483648 cannot be represented in type 'int':
> > CPU: 1 PID: 18261
On 2016/10/14 17:23, Jiri Slaby wrote:
> fcntl(0, F_SETOWN, 0x8000) triggers:
> UBSAN: Undefined behaviour in fs/fcntl.c:118:7
> negation of -2147483648 cannot be represented in type 'int':
> CPU: 1 PID: 18261 Comm: syz-executor Not tainted 4.8.1-0-syzkaller #1
> ...
> Call Trace:
> ...
> [] ?
On 06/12/2017, 07:03 AM, zhong jiang wrote:
> On 2016/10/14 17:23, Jiri Slaby wrote:
>> fcntl(0, F_SETOWN, 0x8000) triggers:
>> UBSAN: Undefined behaviour in fs/fcntl.c:118:7
>> negation of -2147483648 cannot be represented in type 'int':
>> CPU: 1 PID: 18261 Comm: syz-executor Not tainted 4.8.
On 2017/6/13 17:29, Jiri Slaby wrote:
> On 06/12/2017, 07:03 AM, zhong jiang wrote:
>> On 2016/10/14 17:23, Jiri Slaby wrote:
>>> fcntl(0, F_SETOWN, 0x8000) triggers:
>>> UBSAN: Undefined behaviour in fs/fcntl.c:118:7
>>> negation of -2147483648 cannot be represented in type 'int':
>>> CPU: 1 P
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