[PATCH 1/1] drm: check for NULL pointer in drm_gem_object_put

2020-05-21 Thread Nirmoy Das
drm_gem_fb_destroy() calls drm_gem_object_put() with NULL obj causing: [ 11.584209] BUG: kernel NULL pointer dereference, address: [ 11.584213] #PF: supervisor write access in kernel mode [ 11.584215] #PF: error_code(0x0002) - not-present page [ 11.584216] PGD 0 P4D 0 [ 1

Re: [PATCH 1/1] drm: check for NULL pointer in drm_gem_object_put

2020-05-20 Thread Emil Velikov
On Wed, 20 May 2020 at 14:30, Emil Velikov wrote: > > On Wed, 20 May 2020 at 14:17, Chris Wilson wrote: > > > > Quoting Christian König (2020-05-20 13:54:55) > > > Am 20.05.20 um 14:49 schrieb Chris Wilson: > > > > Quoting Christian König (2020-05-20 13:19:42) > > > >> Am 20.05.20 um 14:14 schrie

Re: [PATCH 1/1] drm: check for NULL pointer in drm_gem_object_put

2020-05-20 Thread Emil Velikov
On Wed, 20 May 2020 at 14:17, Chris Wilson wrote: > > Quoting Christian König (2020-05-20 13:54:55) > > Am 20.05.20 um 14:49 schrieb Chris Wilson: > > > Quoting Christian König (2020-05-20 13:19:42) > > >> Am 20.05.20 um 14:14 schrieb Nirmoy Das: > > >>> drm_gem_fb_destroy() calls drm_gem_object_p

Re: [PATCH 1/1] drm: check for NULL pointer in drm_gem_object_put

2020-05-20 Thread Chris Wilson
Quoting Christian König (2020-05-20 13:54:55) > Am 20.05.20 um 14:49 schrieb Chris Wilson: > > Quoting Christian König (2020-05-20 13:19:42) > >> Am 20.05.20 um 14:14 schrieb Nirmoy Das: > >>> drm_gem_fb_destroy() calls drm_gem_object_put() with NULL obj causing: > >>> [ 11.584209] BUG: kernel NU

Re: [PATCH 1/1] drm: check for NULL pointer in drm_gem_object_put

2020-05-20 Thread Christian König
Am 20.05.20 um 15:00 schrieb Daniel Vetter: On Wed, May 20, 2020 at 02:54:55PM +0200, Christian König wrote: Am 20.05.20 um 14:49 schrieb Chris Wilson: Quoting Christian König (2020-05-20 13:19:42) Am 20.05.20 um 14:14 schrieb Nirmoy Das: drm_gem_fb_destroy() calls drm_gem_object_put() with N

Re: [PATCH 1/1] drm: check for NULL pointer in drm_gem_object_put

2020-05-20 Thread Daniel Vetter
On Wed, May 20, 2020 at 02:54:55PM +0200, Christian König wrote: > Am 20.05.20 um 14:49 schrieb Chris Wilson: > > Quoting Christian König (2020-05-20 13:19:42) > > > Am 20.05.20 um 14:14 schrieb Nirmoy Das: > > > > drm_gem_fb_destroy() calls drm_gem_object_put() with NULL obj causing: > > > > [ 1

Re: [PATCH 1/1] drm: check for NULL pointer in drm_gem_object_put

2020-05-20 Thread Christian König
Am 20.05.20 um 14:49 schrieb Chris Wilson: Quoting Christian König (2020-05-20 13:19:42) Am 20.05.20 um 14:14 schrieb Nirmoy Das: drm_gem_fb_destroy() calls drm_gem_object_put() with NULL obj causing: [ 11.584209] BUG: kernel NULL pointer dereference, address: [ 11.584213]

Re: [PATCH 1/1] drm: check for NULL pointer in drm_gem_object_put

2020-05-20 Thread Chris Wilson
Quoting Christian König (2020-05-20 13:19:42) > Am 20.05.20 um 14:14 schrieb Nirmoy Das: > > drm_gem_fb_destroy() calls drm_gem_object_put() with NULL obj causing: > > [ 11.584209] BUG: kernel NULL pointer dereference, address: > > > > [ 11.584213] #PF: supervisor write access

Re: [PATCH 1/1] drm: check for NULL pointer in drm_gem_object_put

2020-05-20 Thread Christian König
Am 20.05.20 um 14:14 schrieb Nirmoy Das: drm_gem_fb_destroy() calls drm_gem_object_put() with NULL obj causing: [ 11.584209] BUG: kernel NULL pointer dereference, address: [ 11.584213] #PF: supervisor write access in kernel mode [ 11.584215] #PF: error_code(0x0002) - not-pr