* WARNING in ip_rt_bug
@ 2018-04-09 5:59 syzbot
0 siblings, 0 replies; 5+ messages in thread
From: syzbot @ 2018-04-09 5:59 UTC (permalink / raw)
To: davem, kuznet, linux-kernel, netdev, syzkaller-bugs, yoshfuji
Hello,
syzbot hit the following crash on net-next commit
8bde261e535257e81087d39ff808414e2f5aa39d (Sun Apr 1 02:31:43 2018 +0000)
Merge tag 'mlx5-updates-2018-03-30' of
git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
syzbot dashboard link:
https://syzkaller.appspot.com/bug?extid=b09ac67a2af842b12eab
Unfortunately, I don't have any reproducer for this crash yet.
Raw console output:
https://syzkaller.appspot.com/x/log.txt?id=5991727739437056
Kernel config:
https://syzkaller.appspot.com/x/.config?id=3327544840960562528
compiler: gcc (GCC) 7.1.1 20170620
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+b09ac67a2af842b12eab@syzkaller.appspotmail.com
It will help syzbot understand when the bug is fixed. See footer for
details.
If you forward the report, please keep this part and the footer.
netlink: 'syz-executor6': attribute type 3 has an invalid length.
WARNING: CPU: 0 PID: 11678 at net/ipv4/route.c:1213 ip_rt_bug+0x15/0x20
net/ipv4/route.c:1212
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 11678 Comm: kworker/u4:7 Not tainted 4.16.0-rc6+ #289
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x24d lib/dump_stack.c:53
panic+0x1e4/0x41c kernel/panic.c:183
__warn+0x1dc/0x200 kernel/panic.c:547
report_bug+0x1f4/0x2b0 lib/bug.c:186
fixup_bug.part.10+0x37/0x80 arch/x86/kernel/traps.c:178
fixup_bug arch/x86/kernel/traps.c:247 [inline]
do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296
do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:986
RIP: 0010:ip_rt_bug+0x15/0x20 net/ipv4/route.c:1212
RSP: 0018:ffff8801db007290 EFLAGS: 00010282
RAX: dffffc0000000000 RBX: ffff8801d8dda3c0 RCX: ffffffff856c31ca
RDX: 0000000000000100 RSI: ffffffff8858c300 RDI: 0000000000000282
RBP: ffff8801db007298 R08: 1ffff1003b600de1 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d8dda3c0
R13: ffff88019bdb2200 R14: ffff88019bdeed80 R15: ffff8801d8dda418
dst_output include/net/dst.h:444 [inline]
ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
ip_send_skb+0x3c/0xc0 net/ipv4/ip_output.c:1414
ip_push_pending_frames+0x64/0x80 net/ipv4/ip_output.c:1434
icmp_push_reply+0x395/0x4f0 net/ipv4/icmp.c:394
icmp_send+0x1136/0x19b0 net/ipv4/icmp.c:741
ipv4_link_failure+0x2a/0x1b0 net/ipv4/route.c:1200
dst_link_failure include/net/dst.h:427 [inline]
arp_error_report+0xae/0x180 net/ipv4/arp.c:297
neigh_invalidate+0x225/0x530 net/core/neighbour.c:883
neigh_timer_handler+0x897/0xd60 net/core/neighbour.c:969
call_timer_fn+0x228/0x820 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7ee/0xb70 kernel/time/timer.c:1666
run_timer_softirq+0x4c/0x70 kernel/time/timer.c:1692
__do_softirq+0x2d7/0xb85 kernel/softirq.c:285
invoke_softirq kernel/softirq.c:365 [inline]
irq_exit+0x1cc/0x200 kernel/softirq.c:405
exiting_irq arch/x86/include/asm/apic.h:541 [inline]
smp_apic_timer_interrupt+0x16b/0x700 arch/x86/kernel/apic/apic.c:1052
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:857
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:778
[inline]
RIP: 0010:lock_acquire+0x256/0x580 kernel/locking/lockdep.c:3923
RSP: 0018:ffff880197b3f980 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff12
RAX: dffffc0000000000 RBX: ffff8801d225e400 RCX: 0000000000000000
RDX: 1ffffffff10a24e5 RSI: 00000000b98b8227 RDI: 0000000000000282
RBP: ffff880197b3fa78 R08: 1ffff10032f67e93 R09: 0000000000000004
R10: ffff880197b3f960 R11: 0000000000000003 R12: 1ffff10032f67f36
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
down_write_killable+0x8a/0x140 kernel/locking/rwsem.c:84
__bprm_mm_init fs/exec.c:297 [inline]
bprm_mm_init fs/exec.c:414 [inline]
do_execveat_common.isra.30+0xc8e/0x23c0 fs/exec.c:1771
do_execve+0x31/0x40 fs/exec.c:1847
call_usermodehelper_exec_async+0x457/0x8f0 kernel/umh.c:100
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:406
Dumping ftrace buffer:
(ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..
---
This bug is generated by a dumb bot. It may contain errors.
See https://goo.gl/tpsmEJ for details.
Direct all questions to syzkaller@googlegroups.com.
syzbot will keep track of this bug report.
If you forgot to add the Reported-by tag, once the fix for this bug is
merged
into any tree, please reply to this email with:
#syz fix: exact-commit-title
To mark this as a duplicate of another syzbot report, please reply with:
#syz dup: exact-subject-of-another-report
If it's a one-off invalid bug report, please reply with:
#syz invalid
Note: if the crash happens again, it will cause creation of a new bug
report.
Note: all commands must start from beginning of the line in the email body.
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: WARNING in ip_rt_bug
2018-04-09 6:06 ` Dmitry Vyukov
2018-04-09 13:11 ` Eric Dumazet
@ 2018-04-09 14:43 ` David Miller
1 sibling, 0 replies; 5+ messages in thread
From: David Miller @ 2018-04-09 14:43 UTC (permalink / raw)
To: dvyukov
Cc: syzbot+b09ac67a2af842b12eab, kuznet, linux-kernel, netdev,
syzkaller-bugs, yoshfuji, edumazet
From: Dmitry Vyukov <dvyukov@google.com>
Date: Mon, 9 Apr 2018 08:06:20 +0200
> +Eric said that perhaps we just need to revert:
>
> commit c378a9c019cf5e017d1ed24954b54fae7bebd2bc
> Date: Sat May 21 07:16:42 2011 +0000
> ipv4: Give backtrace in ip_rt_bug().
And I replied to him that we shouldn't.
Reverting makes the backtrace, and all the useful debugging
information, go away. It won't fix the actual bug, which seems
to be that ICMP's route lookup tried to use an input route
for sending a packet.
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: WARNING in ip_rt_bug
2018-04-09 6:06 ` Dmitry Vyukov
@ 2018-04-09 13:11 ` Eric Dumazet
2018-04-09 14:43 ` David Miller
1 sibling, 0 replies; 5+ messages in thread
From: Eric Dumazet @ 2018-04-09 13:11 UTC (permalink / raw)
To: Dmitry Vyukov, syzbot
Cc: David Miller, Alexey Kuznetsov, LKML, netdev, syzkaller-bugs,
Hideaki YOSHIFUJI, Eric Dumazet
On 04/08/2018 11:06 PM, Dmitry Vyukov wrote:
> On Mon, Apr 9, 2018 at 7:59 AM, syzbot
> <syzbot+b09ac67a2af842b12eab@syzkaller.appspotmail.com> wrote:
>> Hello,
>>
>> syzbot hit the following crash on net-next commit
>> 8bde261e535257e81087d39ff808414e2f5aa39d (Sun Apr 1 02:31:43 2018 +0000)
>> Merge tag 'mlx5-updates-2018-03-30' of
>> git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
>> syzbot dashboard link:
>> https://syzkaller.appspot.com/bug?extid=b09ac67a2af842b12eab
>>
>> Unfortunately, I don't have any reproducer for this crash yet.
>> Raw console output:
>> https://syzkaller.appspot.com/x/log.txt?id=5991727739437056
>> Kernel config:
>> https://syzkaller.appspot.com/x/.config?id=3327544840960562528
>> compiler: gcc (GCC) 7.1.1 20170620
>>
>> IMPORTANT: if you fix the bug, please add the following tag to the commit:
>> Reported-by: syzbot+b09ac67a2af842b12eab@syzkaller.appspotmail.com
>> It will help syzbot understand when the bug is fixed. See footer for
>> details.
>> If you forward the report, please keep this part and the footer.
>
>
> +Eric said that perhaps we just need to revert:
>
> commit c378a9c019cf5e017d1ed24954b54fae7bebd2bc
> Date: Sat May 21 07:16:42 2011 +0000
> ipv4: Give backtrace in ip_rt_bug().
>
And David replied :
<quote>
Let's not do the revert, I wouldn't have seen the backtrace which
points where this bug is if we had.
icmp_route_lookup(), in one branch, does an input route lookup and
uses the result of that to send the icmp message.
That can't be right, input routes should never be used for
transmitting traffice and that's how we end up at ip_rt_bug().
</quote>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: WARNING in ip_rt_bug
2018-04-09 5:59 syzbot
@ 2018-04-09 6:06 ` Dmitry Vyukov
2018-04-09 13:11 ` Eric Dumazet
2018-04-09 14:43 ` David Miller
0 siblings, 2 replies; 5+ messages in thread
From: Dmitry Vyukov @ 2018-04-09 6:06 UTC (permalink / raw)
To: syzbot
Cc: David Miller, Alexey Kuznetsov, LKML, netdev, syzkaller-bugs,
Hideaki YOSHIFUJI, Eric Dumazet
On Mon, Apr 9, 2018 at 7:59 AM, syzbot
<syzbot+b09ac67a2af842b12eab@syzkaller.appspotmail.com> wrote:
> Hello,
>
> syzbot hit the following crash on net-next commit
> 8bde261e535257e81087d39ff808414e2f5aa39d (Sun Apr 1 02:31:43 2018 +0000)
> Merge tag 'mlx5-updates-2018-03-30' of
> git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
> syzbot dashboard link:
> https://syzkaller.appspot.com/bug?extid=b09ac67a2af842b12eab
>
> Unfortunately, I don't have any reproducer for this crash yet.
> Raw console output:
> https://syzkaller.appspot.com/x/log.txt?id=5991727739437056
> Kernel config:
> https://syzkaller.appspot.com/x/.config?id=3327544840960562528
> compiler: gcc (GCC) 7.1.1 20170620
>
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+b09ac67a2af842b12eab@syzkaller.appspotmail.com
> It will help syzbot understand when the bug is fixed. See footer for
> details.
> If you forward the report, please keep this part and the footer.
+Eric said that perhaps we just need to revert:
commit c378a9c019cf5e017d1ed24954b54fae7bebd2bc
Date: Sat May 21 07:16:42 2011 +0000
ipv4: Give backtrace in ip_rt_bug().
> netlink: 'syz-executor6': attribute type 3 has an invalid length.
> WARNING: CPU: 0 PID: 11678 at net/ipv4/route.c:1213 ip_rt_bug+0x15/0x20
> net/ipv4/route.c:1212
> Kernel panic - not syncing: panic_on_warn set ...
>
> CPU: 0 PID: 11678 Comm: kworker/u4:7 Not tainted 4.16.0-rc6+ #289
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
> Google 01/01/2011
> Call Trace:
> <IRQ>
> __dump_stack lib/dump_stack.c:17 [inline]
> dump_stack+0x194/0x24d lib/dump_stack.c:53
> panic+0x1e4/0x41c kernel/panic.c:183
> __warn+0x1dc/0x200 kernel/panic.c:547
> report_bug+0x1f4/0x2b0 lib/bug.c:186
> fixup_bug.part.10+0x37/0x80 arch/x86/kernel/traps.c:178
> fixup_bug arch/x86/kernel/traps.c:247 [inline]
> do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296
> do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
> invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:986
> RIP: 0010:ip_rt_bug+0x15/0x20 net/ipv4/route.c:1212
> RSP: 0018:ffff8801db007290 EFLAGS: 00010282
> RAX: dffffc0000000000 RBX: ffff8801d8dda3c0 RCX: ffffffff856c31ca
> RDX: 0000000000000100 RSI: ffffffff8858c300 RDI: 0000000000000282
> RBP: ffff8801db007298 R08: 1ffff1003b600de1 R09: 0000000000000000
> R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d8dda3c0
> R13: ffff88019bdb2200 R14: ffff88019bdeed80 R15: ffff8801d8dda418
> dst_output include/net/dst.h:444 [inline]
> ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
> ip_send_skb+0x3c/0xc0 net/ipv4/ip_output.c:1414
> ip_push_pending_frames+0x64/0x80 net/ipv4/ip_output.c:1434
> icmp_push_reply+0x395/0x4f0 net/ipv4/icmp.c:394
> icmp_send+0x1136/0x19b0 net/ipv4/icmp.c:741
> ipv4_link_failure+0x2a/0x1b0 net/ipv4/route.c:1200
> dst_link_failure include/net/dst.h:427 [inline]
> arp_error_report+0xae/0x180 net/ipv4/arp.c:297
> neigh_invalidate+0x225/0x530 net/core/neighbour.c:883
> neigh_timer_handler+0x897/0xd60 net/core/neighbour.c:969
> call_timer_fn+0x228/0x820 kernel/time/timer.c:1326
> expire_timers kernel/time/timer.c:1363 [inline]
> __run_timers+0x7ee/0xb70 kernel/time/timer.c:1666
> run_timer_softirq+0x4c/0x70 kernel/time/timer.c:1692
> __do_softirq+0x2d7/0xb85 kernel/softirq.c:285
> invoke_softirq kernel/softirq.c:365 [inline]
> irq_exit+0x1cc/0x200 kernel/softirq.c:405
> exiting_irq arch/x86/include/asm/apic.h:541 [inline]
> smp_apic_timer_interrupt+0x16b/0x700 arch/x86/kernel/apic/apic.c:1052
> apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:857
> </IRQ>
> RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:778
> [inline]
> RIP: 0010:lock_acquire+0x256/0x580 kernel/locking/lockdep.c:3923
> RSP: 0018:ffff880197b3f980 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff12
> RAX: dffffc0000000000 RBX: ffff8801d225e400 RCX: 0000000000000000
> RDX: 1ffffffff10a24e5 RSI: 00000000b98b8227 RDI: 0000000000000282
> RBP: ffff880197b3fa78 R08: 1ffff10032f67e93 R09: 0000000000000004
> R10: ffff880197b3f960 R11: 0000000000000003 R12: 1ffff10032f67f36
> R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
> down_write_killable+0x8a/0x140 kernel/locking/rwsem.c:84
> __bprm_mm_init fs/exec.c:297 [inline]
> bprm_mm_init fs/exec.c:414 [inline]
> do_execveat_common.isra.30+0xc8e/0x23c0 fs/exec.c:1771
> do_execve+0x31/0x40 fs/exec.c:1847
> call_usermodehelper_exec_async+0x457/0x8f0 kernel/umh.c:100
> ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:406
> Dumping ftrace buffer:
> (ftrace buffer empty)
> Kernel Offset: disabled
> Rebooting in 86400 seconds..
>
>
> ---
> This bug is generated by a dumb bot. It may contain errors.
> See https://goo.gl/tpsmEJ for details.
> Direct all questions to syzkaller@googlegroups.com.
>
> syzbot will keep track of this bug report.
> If you forgot to add the Reported-by tag, once the fix for this bug is
> merged
> into any tree, please reply to this email with:
> #syz fix: exact-commit-title
> To mark this as a duplicate of another syzbot report, please reply with:
> #syz dup: exact-subject-of-another-report
> If it's a one-off invalid bug report, please reply with:
> #syz invalid
> Note: if the crash happens again, it will cause creation of a new bug
> report.
> Note: all commands must start from beginning of the line in the email body.
>
> --
> You received this message because you are subscribed to the Google Groups
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^ permalink raw reply [flat|nested] 5+ messages in thread
* WARNING in ip_rt_bug
@ 2018-04-09 5:59 syzbot
2018-04-09 6:06 ` Dmitry Vyukov
0 siblings, 1 reply; 5+ messages in thread
From: syzbot @ 2018-04-09 5:59 UTC (permalink / raw)
To: davem, kuznet, linux-kernel, netdev, syzkaller-bugs, yoshfuji
Hello,
syzbot hit the following crash on net-next commit
8bde261e535257e81087d39ff808414e2f5aa39d (Sun Apr 1 02:31:43 2018 +0000)
Merge tag 'mlx5-updates-2018-03-30' of
git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
syzbot dashboard link:
https://syzkaller.appspot.com/bug?extid=b09ac67a2af842b12eab
Unfortunately, I don't have any reproducer for this crash yet.
Raw console output:
https://syzkaller.appspot.com/x/log.txt?id=5991727739437056
Kernel config:
https://syzkaller.appspot.com/x/.config?id=3327544840960562528
compiler: gcc (GCC) 7.1.1 20170620
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+b09ac67a2af842b12eab@syzkaller.appspotmail.com
It will help syzbot understand when the bug is fixed. See footer for
details.
If you forward the report, please keep this part and the footer.
netlink: 'syz-executor6': attribute type 3 has an invalid length.
WARNING: CPU: 0 PID: 11678 at net/ipv4/route.c:1213 ip_rt_bug+0x15/0x20
net/ipv4/route.c:1212
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 11678 Comm: kworker/u4:7 Not tainted 4.16.0-rc6+ #289
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x24d lib/dump_stack.c:53
panic+0x1e4/0x41c kernel/panic.c:183
__warn+0x1dc/0x200 kernel/panic.c:547
report_bug+0x1f4/0x2b0 lib/bug.c:186
fixup_bug.part.10+0x37/0x80 arch/x86/kernel/traps.c:178
fixup_bug arch/x86/kernel/traps.c:247 [inline]
do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296
do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:986
RIP: 0010:ip_rt_bug+0x15/0x20 net/ipv4/route.c:1212
RSP: 0018:ffff8801db007290 EFLAGS: 00010282
RAX: dffffc0000000000 RBX: ffff8801d8dda3c0 RCX: ffffffff856c31ca
RDX: 0000000000000100 RSI: ffffffff8858c300 RDI: 0000000000000282
RBP: ffff8801db007298 R08: 1ffff1003b600de1 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d8dda3c0
R13: ffff88019bdb2200 R14: ffff88019bdeed80 R15: ffff8801d8dda418
dst_output include/net/dst.h:444 [inline]
ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
ip_send_skb+0x3c/0xc0 net/ipv4/ip_output.c:1414
ip_push_pending_frames+0x64/0x80 net/ipv4/ip_output.c:1434
icmp_push_reply+0x395/0x4f0 net/ipv4/icmp.c:394
icmp_send+0x1136/0x19b0 net/ipv4/icmp.c:741
ipv4_link_failure+0x2a/0x1b0 net/ipv4/route.c:1200
dst_link_failure include/net/dst.h:427 [inline]
arp_error_report+0xae/0x180 net/ipv4/arp.c:297
neigh_invalidate+0x225/0x530 net/core/neighbour.c:883
neigh_timer_handler+0x897/0xd60 net/core/neighbour.c:969
call_timer_fn+0x228/0x820 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7ee/0xb70 kernel/time/timer.c:1666
run_timer_softirq+0x4c/0x70 kernel/time/timer.c:1692
__do_softirq+0x2d7/0xb85 kernel/softirq.c:285
invoke_softirq kernel/softirq.c:365 [inline]
irq_exit+0x1cc/0x200 kernel/softirq.c:405
exiting_irq arch/x86/include/asm/apic.h:541 [inline]
smp_apic_timer_interrupt+0x16b/0x700 arch/x86/kernel/apic/apic.c:1052
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:857
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:778
[inline]
RIP: 0010:lock_acquire+0x256/0x580 kernel/locking/lockdep.c:3923
RSP: 0018:ffff880197b3f980 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff12
RAX: dffffc0000000000 RBX: ffff8801d225e400 RCX: 0000000000000000
RDX: 1ffffffff10a24e5 RSI: 00000000b98b8227 RDI: 0000000000000282
RBP: ffff880197b3fa78 R08: 1ffff10032f67e93 R09: 0000000000000004
R10: ffff880197b3f960 R11: 0000000000000003 R12: 1ffff10032f67f36
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
down_write_killable+0x8a/0x140 kernel/locking/rwsem.c:84
__bprm_mm_init fs/exec.c:297 [inline]
bprm_mm_init fs/exec.c:414 [inline]
do_execveat_common.isra.30+0xc8e/0x23c0 fs/exec.c:1771
do_execve+0x31/0x40 fs/exec.c:1847
call_usermodehelper_exec_async+0x457/0x8f0 kernel/umh.c:100
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:406
Dumping ftrace buffer:
(ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..
---
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end of thread, other threads:[~2018-04-09 14:43 UTC | newest]
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2018-04-09 5:59 WARNING in ip_rt_bug syzbot
2018-04-09 5:59 syzbot
2018-04-09 6:06 ` Dmitry Vyukov
2018-04-09 13:11 ` Eric Dumazet
2018-04-09 14:43 ` David Miller
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