Re: [PATCH] drm/ttm: fix one use-after-free

2023-07-05 Thread Christian König
I was just to complain that this is certainly incorrect. But it's strange that ttm_mem_evict_first causes the warning in the first place since it should never try to evict a BO which is about to be destroyed. Regards, Christian. Am 05.07.23 um 10:31 schrieb Lang Yu: Please ignore this

Re: [PATCH] drm/ttm: fix one use-after-free

2023-07-05 Thread Lang Yu
Please ignore this patch, it will cause another issue. Will send a new one. Regards, Lang On 07/05/ , Lang Yu wrote: > [ 67.399887] refcount_t: underflow; use-after-free. > [ 67.399901] WARNING: CPU: 0 PID: 3172 at lib/refcount.c:28 > refcount_warn_saturate+0xc2/0x110 > [ 67.400124]

[PATCH] drm/ttm: fix one use-after-free

2023-07-04 Thread Lang Yu
[ 67.399887] refcount_t: underflow; use-after-free. [ 67.399901] WARNING: CPU: 0 PID: 3172 at lib/refcount.c:28 refcount_warn_saturate+0xc2/0x110 [ 67.400124] RIP: 0010:refcount_warn_saturate+0xc2/0x110 [ 67.400173] Call Trace: [ 67.400176] [ 67.400181]