CVE-2024-26700

In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix MST Null Ptr for RV The change try to fix below error
specific to RV platform: BUG: kernel NULL pointer dereference, address:
0000000000000008 PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 4 PID:
917 Comm: sway Not tainted 6.3.9-arch1-1 #1
124dc55df4f5272ccb409f39ef4872fc2b3376a2 Hardware name: LENOVO
20NKS01Y00/20NKS01Y00, BIOS R12ET61W(1.31 ) 07/28/2022 RIP:
0010:drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper] Code: 01
00 00 48 8b 85 60 05 00 00 48 63 80 88 00 00 00 3b 43 28 0f 8d 2e 01 00 00
48 8b 53 30 48 8d 04 80 48 8d 04 c2 48 8b 40 18 <48> 8> RSP:
0018:ffff960cc2df77d8 EFLAGS: 00010293 RAX: 0000000000000000 RBX:
ffff8afb87e81280 RCX: 0000000000000224 RDX: ffff8afb9ee37c00 RSI:
ffff8afb8da1a578 RDI: ffff8afb87e81280 RBP: ffff8afb83d67000 R08:
0000000000000001 R09: ffff8afb9652f850 R10: ffff960cc2df7908 R11:
0000000000000002 R12: 0000000000000000 R13: ffff8afb8d7688a0 R14:
ffff8afb8da1a578 R15: 0000000000000224 FS: 00007f4dac35ce00(0000)
GS:ffff8afe30b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000
CR0: 0000000080050033 CR2: 0000000000000008 CR3: 000000010ddc6000 CR4:
00000000003506e0 Call Trace: <TASK> ? __die+0x23/0x70 ?
page_fault_oops+0x171/0x4e0 ? plist_add+0xbe/0x100 ?
exc_page_fault+0x7c/0x180 ? asm_exc_page_fault+0x26/0x30 ?
drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper
0e67723696438d8e02b741593dd50d80b44c2026] ?
drm_dp_atomic_find_time_slots+0x28/0x260 [drm_display_helper
0e67723696438d8e02b741593dd50d80b44c2026]
compute_mst_dsc_configs_for_link+0x2ff/0xa40 [amdgpu
62e600d2a75e9158e1cd0a243bdc8e6da040c054] ?
fill_plane_buffer_attributes+0x419/0x510 [amdgpu
62e600d2a75e9158e1cd0a243bdc8e6da040c054]
compute_mst_dsc_configs_for_state+0x1e1/0x250 [amdgpu
62e600d2a75e9158e1cd0a243bdc8e6da040c054]
amdgpu_dm_atomic_check+0xecd/0x1190 [amdgpu
62e600d2a75e9158e1cd0a243bdc8e6da040c054] drm_atomic_check_only+0x5c5/0xa40
drm_mode_atomic_ioctl+0x76e/0xbc0 ? _copy_to_user+0x25/0x30 ?
drm_ioctl+0x296/0x4b0 ? __pfx_drm_mode_atomic_ioctl+0x10/0x10
drm_ioctl_kernel+0xcd/0x170 drm_ioctl+0x26d/0x4b0 ?
__pfx_drm_mode_atomic_ioctl+0x10/0x10 amdgpu_drm_ioctl+0x4e/0x90 [amdgpu
62e600d2a75e9158e1cd0a243bdc8e6da040c054] __x64_sys_ioctl+0x94/0xd0
do_syscall_64+0x60/0x90 ? do_syscall_64+0x6c/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f4dad17f76f Code: 00
48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48
8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c> RSP:
002b:00007ffd9ae859f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX:
ffffffffffffffda RBX: 000055e255a55900 RCX: 00007f4dad17f76f RDX:
00007ffd9ae85a90 RSI: 00000000c03864bc RDI: 000000000000000b RBP:
00007ffd9ae85a90 R08: 0000000000000003 R09: 0000000000000003 R10:
0000000000000000 R11: 0000000000000246 R12: 00000000c03864bc R13:
000000000000000b R14: 000055e255a7fc60 R15: 000055e255a01eb0 </TASK>
Modules linked in: rfcomm snd_seq_dummy snd_hrtimer snd_seq snd_seq_device
ccm cmac algif_hash algif_skcipher af_alg joydev mousedev bnep > typec
libphy k10temp ipmi_msghandler roles i2c_scmi acpi_cpufreq mac_hid
nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_mas> CR2:
0000000000000008 —[ end trace 0000000000000000 ]— RIP:
0010:drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper] Code: 01
00 00 48 8b 85 60 05 00 00 48 63 80 88 00 00 00 3b 43 28 0f 8d 2e 01 00 00
48 8b 53 30 48 8d 04 80 48 8d 04 c2 48 8b 40 18 <48> 8> RSP:
0018:ffff960cc2df77d8 EFLAGS: 00010293 RAX: 0000000000000000 RBX:
ffff8afb87e81280 RCX: 0000000000000224 RDX: ffff8afb9ee37c00 RSI:
ffff8afb8da1a578 RDI: ffff8afb87e81280 RBP: ffff8afb83d67000 R08:
0000000000000001 R09: ffff8afb9652f850 R10: ffff960cc2df7908 R11:
0000000000000002 R12: 0000000000000000 R13: ffff8afb8d7688a0 R14:
ffff8afb8da1a578 R15: 0000000000000224 FS: 00007f4dac35ce00(0000)
GS:ffff8afe30b00000(0000 —truncated—