Re: [PATCH] rbtree: fix the red root

2019-01-11 Thread Matthew Wilcox
On Fri, Jan 11, 2019 at 01:12:36PM -0500, Qian Cai wrote: > On Fri, 2019-01-11 at 09:31 -0800, Matthew Wilcox wrote: > > On Fri, Jan 11, 2019 at 11:51:45AM -0500, Qian Cai wrote: > > > Reported-by: Esme > > > Signed-off-by: Qian Cai > > > > What change introduced this bug?  We need a Fixes: line

Re: [PATCH] rbtree: fix the red root

2019-01-11 Thread Qian Cai
On Fri, 2019-01-11 at 09:31 -0800, Matthew Wilcox wrote: > On Fri, Jan 11, 2019 at 11:51:45AM -0500, Qian Cai wrote: > > Reported-by: Esme > > Signed-off-by: Qian Cai > > What change introduced this bug?  We need a Fixes: line so the stable > people know how far to backport this fix. It looks l

Re: [PATCH] rbtree: fix the red root

2019-01-11 Thread Joey Pabalinas
On Fri, Jan 11, 2019 at 09:31:32AM -0800, Matthew Wilcox wrote: > On Fri, Jan 11, 2019 at 11:51:45AM -0500, Qian Cai wrote: > > Reported-by: Esme > > Signed-off-by: Qian Cai > > What change introduced this bug? We need a Fixes: line so the stable > people know how far to backport this fix. >

Re: [PATCH] rbtree: fix the red root

2019-01-11 Thread Matthew Wilcox
On Fri, Jan 11, 2019 at 11:51:45AM -0500, Qian Cai wrote: > Reported-by: Esme > Signed-off-by: Qian Cai What change introduced this bug? We need a Fixes: line so the stable people know how far to backport this fix.

Re: [PATCH] rbtree: fix the red root

2019-01-11 Thread Joey Pabalinas
On Fri, Jan 11, 2019 at 11:51:45AM -0500, Qian Cai wrote: > A GFP was reported, > > kasan: CONFIG_KASAN_INLINE enabled > kasan: GPF could be caused by NULL-ptr deref or user memory access > general protection fault: [#1] SMP KASAN > kasan_die_handler.cold.22+0x11/0x31 > notifi

[PATCH] rbtree: fix the red root

2019-01-11 Thread Qian Cai
A GFP was reported, kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: [#1] SMP KASAN kasan_die_handler.cold.22+0x11/0x31 notifier_call_chain+0x17b/0x390 atomic_notifier_call_chain+0xa7/0x1b0