On 8/21/20 10:00 AM, Nikolay Aleksandrov wrote:
>
> This seems like a much older bug to me, the code allows to pass 0 groups
> and
> thus we end up without any nh_grp_entry pointers. I reproduced it with a
> modified iproute2 that sends an empty NHA_GROUP and then just uses the new
> nexthop in an
On 8/21/20 6:27 PM, syzbot wrote:
Hello,
syzbot found the following issue on:
HEAD commit:da2968ff Merge tag 'pci-v5.9-fixes-1' of git://git.kernel...
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=137316ca90
kernel config: https://syzkaller.appspot.
On Tue, Aug 15, 2017 at 5:05 AM, Florian Westphal wrote:
> idaifish wrote:
>> Syzkaller hit 'general protection fault in fib_dump_info' bug on
>> commit 4.13-rc5..
>
> CC Roopa
>
>> Guilty file: net/ipv4/fib_semantics.c
>>
>> kasan: GPF could be caused by NULL-ptr deref or user memory access
>> g
idaifish wrote:
> Syzkaller hit 'general protection fault in fib_dump_info' bug on
> commit 4.13-rc5..
CC Roopa
> Guilty file: net/ipv4/fib_semantics.c
>
> kasan: GPF could be caused by NULL-ptr deref or user memory access
> general protection fault: [#1] SMP KASAN
> Modules linked in:
> C
On Tue, 2017-08-15 at 08:51 +0200, Dmitry Vyukov wrote:
> Eric, what's the "David Miller net tree"? Is it
> https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git? I
> don't see 2c87d63ac853550e734edfd45e1be5e5aa44fbcc there.
> https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-n
That must be in https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git
Which one should we test?
On Tue, Aug 15, 2017 at 8:51 AM, Dmitry Vyukov wrote:
> Eric, what's the "David Miller net tree"? Is it
> https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git? I
> don't see 2c87
Eric, what's the "David Miller net tree"? Is it
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git? I
don't see 2c87d63ac853550e734edfd45e1be5e5aa44fbcc there.
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git is
what we are testing and the last commit on which we s
The bug still looks like reproducible after applying the patch [
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=2c87d63ac853550e734edfd45e1be5e5aa44fbcc
]
2017-08-15 11:33 GMT+08:00 Eric Dumazet :
> On Tue, 2017-08-15 at 10:49 +0800, idaifish wrote:
>> Syzkaller hit 'ge
On Tue, 2017-08-15 at 10:49 +0800, idaifish wrote:
> Syzkaller hit 'general protection fault in fib_dump_info' bug on
> commit 4.13-rc5..
>
> Guilty file: net/ipv4/fib_semantics.c
>
> kasan: GPF could be caused by NULL-ptr deref or user memory access
> general protection fault: [#1] SMP KASA