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| author | Sunil Khatri <sunil.khatri@amd.com> | 2026-04-10 13:56:00 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-04-17 21:47:56 +0300 |
| commit | 97284621c5bf513fa013f9a1c67b42f267732ce4 (patch) | |
| tree | bb54f34069c91b00a49523b3e284a111f0075890 /scripts/stackusage | |
| parent | ad52d61d82181dbdb7f05826de38352d5e550cc2 (diff) | |
| download | linux-97284621c5bf513fa013f9a1c67b42f267732ce4.tar.xz | |
drm/amdgpu: add job->pasid in check as amdgpu_job could be NULL
In below stack job->pasid is accessed while job is NULL. Access it
within the check when job is non NULL.
Failure call stack.
[ 222.653622] BUG: kernel NULL pointer dereference, address: 000000000000014c
[ 222.653625] #PF: supervisor read access in kernel mode
[ 222.653628] #PF: error_code(0x0000) - not-present page
[ 222.653630] PGD 0 P4D 0
[ 222.653635] Oops: Oops: 0000 [#1] SMP NOPTI
[ 222.653639] CPU: 1 UID: 0 PID: 12 Comm: kworker/u96:0 Not tainted 6.19.0-amd-staging-drm-next #271 PREEMPT(voluntary)
[ 222.653644] Hardware name: Gigabyte Technology Co., Ltd. X570 AORUS ELITE/X570 AORUS ELITE, BIOS F37c 05/12/2022
[ 222.653646] Workqueue: amdgpu-reset-dev amdgpu_userq_reset_work [amdgpu]
[ 222.653961] RIP: 0010:amdgpu_coredump+0x8b/0x470 [amdgpu]
[ 222.654158] Code: 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d 31 c0 31 c9 31 ff 31 d2 31 f6 45 31 c0 45 31 db e9 8c a9 1a e2 88 58 48 44 88 68 49 <41> 8b b7 4c 01 00 00 89 b0 80 00 00 00 4d 85 ff 48 89 45 d0 0f 84
[ 222.654161] RSP: 0018:ffffce68c0147c00 EFLAGS: 00010282
[ 222.654165] RAX: ffff8bc337407740 RBX: 0000000000000000 RCX: 0000000000000000
[ 222.654167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 222.654170] RBP: ffffce68c0147c48 R08: 0000000000000000 R09: 0000000000000000
[ 222.654172] R10: ffff8bc337407740 R11: ffffffffc10dda10 R12: ffff8bc2d2e00000
[ 222.654174] R13: 0000000000000001 R14: ffff8bc2d2e5b368 R15: 0000000000000000
[ 222.654176] FS: 0000000000000000(0000) GS:ffff8bc64a5fe000(0000) knlGS:0000000000000000
[ 222.654179] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 222.654182] CR2: 000000000000014c CR3: 0000000135eca000 CR4: 0000000000350ef0
[ 222.654184] Call Trace:
[ 222.654187] <TASK>
[ 222.654190] ? amdgpu_ip_block_resume+0x28/0x70 [amdgpu]
[ 222.654376] ? srso_return_thunk+0x5/0x5f
[ 222.654382] amdgpu_device_reinit_after_reset+0x184/0x320 [amdgpu]
[ 222.654552] amdgpu_do_asic_reset+0x129/0x160 [amdgpu]
[ 222.654720] amdgpu_device_asic_reset+0x92/0x710 [amdgpu]
[ 222.654890] amdgpu_device_gpu_recover+0x2ae/0x3d0 [amdgpu]
[ 222.655060] amdgpu_userq_reset_work+0x76/0xa0 [amdgpu]
[ 222.655229] process_scheduled_works+0x1f0/0x450
[ 222.655235] worker_thread+0x27f/0x370
Fixes: 32ab301b89b3 ("drm/amdgpu: store ib info for devcoredump")
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'scripts/stackusage')
0 files changed, 0 insertions, 0 deletions