CVE-2023-54199

In the Linux kernel, the following vulnerability has been resolved:

drm/msm/adreno: Fix null ptr access in adrenogpucleanup()

Fix the below kernel panic due to null pointer access: [ 18.504431] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000048 [ 18.513464] Mem abort info: [ 18.516346] ESR = 0x0000000096000005 [ 18.520204] EC = 0x25: DABT (current EL), IL = 32 bits [ 18.525706] SET = 0, FnV = 0 [ 18.528878] EA = 0, S1PTW = 0 [ 18.532117] FSC = 0x05: level 1 translation fault [ 18.537138] Data abort info: [ 18.540110] ISV = 0, ISS = 0x00000005 [ 18.544060] CM = 0, WnR = 0 [ 18.547109] user pgtable: 4k pages, 39-bit VAs, pgdp=0000000112826000 [ 18.553738] [0000000000000048] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000 [ 18.562690] Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Snip [ 18.696758] Call trace: [ 18.699278] adrenogpucleanup+0x30/0x88 [ 18.703396] a6xxdestroy+0xc0/0x130 [ 18.707066] a6xxgpuinit+0x308/0x424 [ 18.710921] adrenobind+0x178/0x288 [ 18.714590] componentbindall+0xe0/0x214 [ 18.718797] msmdrmbind+0x1d4/0x614 [ 18.722566] trytobringupaggregate_device+0x16c/0x1b8 [ 18.728105] __componentadd+0xa0/0x158 [ 18.732048] componentadd+0x20/0x2c [ 18.735719] adrenoprobe+0x40/0xc0 [ 18.739300] platformprobe+0xb4/0xd4 [ 18.743068] really_probe+0xfc/0x284 [ 18.746738] __driverprobedevice+0xc0/0xec [ 18.751129] driverprobedevice+0x48/0x110 [ 18.755421] __deviceattachdriver+0xa8/0xd0 [ 18.759900] bus_foreachdrv+0x90/0xdc [ 18.763843] _deviceattach+0xfc/0x174 [ 18.767786] deviceinitialprobe+0x20/0x2c [ 18.772090] busprobedevice+0x40/0xa0 [ 18.776032] deferredprobeworkfunc+0x94/0xd0 [ 18.780686] processonework+0x190/0x3d0 [ 18.784805] workerthread+0x280/0x3d4 [ 18.788659] kthread+0x104/0x1c0 [ 18.791981] retfromfork+0x10/0x20 [ 18.795654] Code: f9400408 aa0003f3 aa1f03f4 91142015 (f9402516) [ 18.801913] ---[ end trace 0000000000000000 ]--- [ 18.809039] Kernel panic - not syncing: Oops: Fatal exception

Patchwork: https://patchwork.freedesktop.org/patch/515605/