On 5/9/18 11:05 AM, Eric Dumazet wrote:
> WARNING: lock held when returning to user space!
> 4.17.0-rc3+ #37 Not tainted
>
> syz-executor1/27662 is leaving the kernel with locks still held!
> 1 lock held by syz-executor1/27662:
> #0: 00000000f661aee7 (rcu_read_lock){....}, at: ip6_route_del+0xea/0x13f0
> net/ipv6/route.c:3206
> BUG: scheduling while atomic: syz-executor1/27662/0x00000002
> INFO: lockdep is turned off.
> Modules linked in:
> Kernel panic - not syncing: scheduling while atomic
>
> CPU: 1 PID: 27662 Comm: syz-executor1 Not tainted 4.17.0-rc3+ #37
...
>
> Fixes: 23fb93a4d3f1 ("net/ipv6: Cleanup exception and cache route handling")
> Signed-off-by: Eric Dumazet <eduma...@google.com>
> Cc: David Ahern <dsah...@gmail.com>
> Reported-by: syzbot <syzkal...@googlegroups.com>
> ---
> net/ipv6/route.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
Acked-by: David Ahern <dsah...@gmail.com>
Thanks for the fix, Eric.
