cve-2024-26656
Vulnerability from cvelistv5
Published
2024-04-02 06:08
Modified
2024-08-02 00:07
Severity
Summary
drm/amdgpu: fix use-after-free bug
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/22207fd5c80177b860279653d017474b2812af5e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/22f665ecfd1225afa1309ace623157d12bb9bb0c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/af054a5fb24a144f99895afce9519d709891894c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e87e08c94c9541b4e18c4c13f2f605935f512605
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
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{
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              "content": {
                "id": "CVE-2024-26656",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-04-02T14:54:50.822759Z",
                "version": "2.0.3"
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          "dateUpdated": "2024-07-05T17:21:23.249Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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        "providerMetadata": {
          "dateUpdated": "2024-08-02T00:07:19.867Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "title": "CVE Program Container"
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    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "e87e08c94c95",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
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              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
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        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.24",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "6.7.*",
              "status": "unaffected",
              "version": "6.7.12",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "6.8.*",
              "status": "unaffected",
              "version": "6.8.3",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.9",
              "versionType": "original_commit_for_fix"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix use-after-free bug\n\nThe bug can be triggered by sending a single amdgpu_gem_userptr_ioctl\nto the AMDGPU DRM driver on any ASICs with an invalid address and size.\nThe bug was reported by Joonkyo Jung \u003cjoonkyoj@yonsei.ac.kr\u003e.\nFor example the following code:\n\nstatic void Syzkaller1(int fd)\n{\n\tstruct drm_amdgpu_gem_userptr arg;\n\tint ret;\n\n\targ.addr = 0xffffffffffff0000;\n\targ.size = 0x80000000; /*2 Gb*/\n\targ.flags = 0x7;\n\tret = drmIoctl(fd, 0xc1186451/*amdgpu_gem_userptr_ioctl*/, \u0026arg);\n}\n\nDue to the address and size are not valid there is a failure in\namdgpu_hmm_register-\u003emmu_interval_notifier_insert-\u003e__mmu_interval_notifier_insert-\u003e\ncheck_shl_overflow, but we even the amdgpu_hmm_register failure we still call\namdgpu_hmm_unregister into  amdgpu_gem_object_free which causes access to a bad address.\nThe following stack is below when the issue is reproduced when Kazan is enabled:\n\n[  +0.000014] Hardware name: ASUS System Product Name/ROG STRIX B550-F GAMING (WI-FI), BIOS 1401 12/03/2020\n[  +0.000009] RIP: 0010:mmu_interval_notifier_remove+0x327/0x340\n[  +0.000017] Code: ff ff 49 89 44 24 08 48 b8 00 01 00 00 00 00 ad de 4c 89 f7 49 89 47 40 48 83 c0 22 49 89 47 48 e8 ce d1 2d 01 e9 32 ff ff ff \u003c0f\u003e 0b e9 16 ff ff ff 4c 89 ef e8 fa 14 b3 ff e9 36 ff ff ff e8 80\n[  +0.000014] RSP: 0018:ffffc90002657988 EFLAGS: 00010246\n[  +0.000013] RAX: 0000000000000000 RBX: 1ffff920004caf35 RCX: ffffffff8160565b\n[  +0.000011] RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffff8881a9f78260\n[  +0.000010] RBP: ffffc90002657a70 R08: 0000000000000001 R09: fffff520004caf25\n[  +0.000010] R10: 0000000000000003 R11: ffffffff8161d1d6 R12: ffff88810e988c00\n[  +0.000010] R13: ffff888126fb5a00 R14: ffff88810e988c0c R15: ffff8881a9f78260\n[  +0.000011] FS:  00007ff9ec848540(0000) GS:ffff8883cc880000(0000) knlGS:0000000000000000\n[  +0.000012] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[  +0.000010] CR2: 000055b3f7e14328 CR3: 00000001b5770000 CR4: 0000000000350ef0\n[  +0.000010] Call Trace:\n[  +0.000006]  \u003cTASK\u003e\n[  +0.000007]  ? show_regs+0x6a/0x80\n[  +0.000018]  ? __warn+0xa5/0x1b0\n[  +0.000019]  ? mmu_interval_notifier_remove+0x327/0x340\n[  +0.000018]  ? report_bug+0x24a/0x290\n[  +0.000022]  ? handle_bug+0x46/0x90\n[  +0.000015]  ? exc_invalid_op+0x19/0x50\n[  +0.000016]  ? asm_exc_invalid_op+0x1b/0x20\n[  +0.000017]  ? kasan_save_stack+0x26/0x50\n[  +0.000017]  ? mmu_interval_notifier_remove+0x23b/0x340\n[  +0.000019]  ? mmu_interval_notifier_remove+0x327/0x340\n[  +0.000019]  ? mmu_interval_notifier_remove+0x23b/0x340\n[  +0.000020]  ? __pfx_mmu_interval_notifier_remove+0x10/0x10\n[  +0.000017]  ? kasan_save_alloc_info+0x1e/0x30\n[  +0.000018]  ? srso_return_thunk+0x5/0x5f\n[  +0.000014]  ? __kasan_kmalloc+0xb1/0xc0\n[  +0.000018]  ? srso_return_thunk+0x5/0x5f\n[  +0.000013]  ? __kasan_check_read+0x11/0x20\n[  +0.000020]  amdgpu_hmm_unregister+0x34/0x50 [amdgpu]\n[  +0.004695]  amdgpu_gem_object_free+0x66/0xa0 [amdgpu]\n[  +0.004534]  ? __pfx_amdgpu_gem_object_free+0x10/0x10 [amdgpu]\n[  +0.004291]  ? do_syscall_64+0x5f/0xe0\n[  +0.000023]  ? srso_return_thunk+0x5/0x5f\n[  +0.000017]  drm_gem_object_free+0x3b/0x50 [drm]\n[  +0.000489]  amdgpu_gem_userptr_ioctl+0x306/0x500 [amdgpu]\n[  +0.004295]  ? __pfx_amdgpu_gem_userptr_ioctl+0x10/0x10 [amdgpu]\n[  +0.004270]  ? srso_return_thunk+0x5/0x5f\n[  +0.000014]  ? __this_cpu_preempt_check+0x13/0x20\n[  +0.000015]  ? srso_return_thunk+0x5/0x5f\n[  +0.000013]  ? sysvec_apic_timer_interrupt+0x57/0xc0\n[  +0.000020]  ? srso_return_thunk+0x5/0x5f\n[  +0.000014]  ? asm_sysvec_apic_timer_interrupt+0x1b/0x20\n[  +0.000022]  ? drm_ioctl_kernel+0x17b/0x1f0 [drm]\n[  +0.000496]  ? __pfx_amdgpu_gem_userptr_ioctl+0x10/0x10 [amdgpu]\n[  +0.004272]  ? drm_ioctl_kernel+0x190/0x1f0 [drm]\n[  +0.000492]  drm_ioctl_kernel+0x140/0x1f0 [drm]\n[  +0.000497]  ? __pfx_amdgpu_gem_userptr_ioctl+0x10/0x10 [amdgpu]\n[  +0.004297]  ? __pfx_drm_ioctl_kernel+0x10/0x10 [d\n---truncated---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-05-29T05:20:16.528Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/e87e08c94c9541b4e18c4c13f2f605935f512605"
        },
        {
          "url": "https://git.kernel.org/stable/c/af054a5fb24a144f99895afce9519d709891894c"
        },
        {
          "url": "https://git.kernel.org/stable/c/22f665ecfd1225afa1309ace623157d12bb9bb0c"
        },
        {
          "url": "https://git.kernel.org/stable/c/22207fd5c80177b860279653d017474b2812af5e"
        }
      ],
      "title": "drm/amdgpu: fix use-after-free bug",
      "x_generator": {
        "engine": "bippy-a5840b7849dd"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-26656",
    "datePublished": "2024-04-02T06:08:43.558Z",
    "dateReserved": "2024-02-19T14:20:24.145Z",
    "dateUpdated": "2024-08-02T00:07:19.867Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26656\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-02T07:15:42.760\",\"lastModified\":\"2024-04-03T14:15:17.000\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/amdgpu: fix use-after-free bug\\n\\nThe bug can be triggered by sending a single amdgpu_gem_userptr_ioctl\\nto the AMDGPU DRM driver on any ASICs with an invalid address and size.\\nThe bug was reported by Joonkyo Jung \u003cjoonkyoj@yonsei.ac.kr\u003e.\\nFor example the following code:\\n\\nstatic void Syzkaller1(int fd)\\n{\\n\\tstruct drm_amdgpu_gem_userptr arg;\\n\\tint ret;\\n\\n\\targ.addr = 0xffffffffffff0000;\\n\\targ.size = 0x80000000; /*2 Gb*/\\n\\targ.flags = 0x7;\\n\\tret = drmIoctl(fd, 0xc1186451/*amdgpu_gem_userptr_ioctl*/, \u0026arg);\\n}\\n\\nDue to the address and size are not valid there is a failure in\\namdgpu_hmm_register-\u003emmu_interval_notifier_insert-\u003e__mmu_interval_notifier_insert-\u003e\\ncheck_shl_overflow, but we even the amdgpu_hmm_register failure we still call\\namdgpu_hmm_unregister into  amdgpu_gem_object_free which causes access to a bad address.\\nThe following stack is below when the issue is reproduced when Kazan is enabled:\\n\\n[  +0.000014] Hardware name: ASUS System Product Name/ROG STRIX B550-F GAMING (WI-FI), BIOS 1401 12/03/2020\\n[  +0.000009] RIP: 0010:mmu_interval_notifier_remove+0x327/0x340\\n[  +0.000017] Code: ff ff 49 89 44 24 08 48 b8 00 01 00 00 00 00 ad de 4c 89 f7 49 89 47 40 48 83 c0 22 49 89 47 48 e8 ce d1 2d 01 e9 32 ff ff ff \u003c0f\u003e 0b e9 16 ff ff ff 4c 89 ef e8 fa 14 b3 ff e9 36 ff ff ff e8 80\\n[  +0.000014] RSP: 0018:ffffc90002657988 EFLAGS: 00010246\\n[  +0.000013] RAX: 0000000000000000 RBX: 1ffff920004caf35 RCX: ffffffff8160565b\\n[  +0.000011] RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffff8881a9f78260\\n[  +0.000010] RBP: ffffc90002657a70 R08: 0000000000000001 R09: fffff520004caf25\\n[  +0.000010] R10: 0000000000000003 R11: ffffffff8161d1d6 R12: ffff88810e988c00\\n[  +0.000010] R13: ffff888126fb5a00 R14: ffff88810e988c0c R15: ffff8881a9f78260\\n[  +0.000011] FS:  00007ff9ec848540(0000) GS:ffff8883cc880000(0000) knlGS:0000000000000000\\n[  +0.000012] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n[  +0.000010] CR2: 000055b3f7e14328 CR3: 00000001b5770000 CR4: 0000000000350ef0\\n[  +0.000010] Call Trace:\\n[  +0.000006]  \u003cTASK\u003e\\n[  +0.000007]  ? show_regs+0x6a/0x80\\n[  +0.000018]  ? __warn+0xa5/0x1b0\\n[  +0.000019]  ? mmu_interval_notifier_remove+0x327/0x340\\n[  +0.000018]  ? report_bug+0x24a/0x290\\n[  +0.000022]  ? handle_bug+0x46/0x90\\n[  +0.000015]  ? exc_invalid_op+0x19/0x50\\n[  +0.000016]  ? asm_exc_invalid_op+0x1b/0x20\\n[  +0.000017]  ? kasan_save_stack+0x26/0x50\\n[  +0.000017]  ? mmu_interval_notifier_remove+0x23b/0x340\\n[  +0.000019]  ? mmu_interval_notifier_remove+0x327/0x340\\n[  +0.000019]  ? mmu_interval_notifier_remove+0x23b/0x340\\n[  +0.000020]  ? __pfx_mmu_interval_notifier_remove+0x10/0x10\\n[  +0.000017]  ? kasan_save_alloc_info+0x1e/0x30\\n[  +0.000018]  ? srso_return_thunk+0x5/0x5f\\n[  +0.000014]  ? __kasan_kmalloc+0xb1/0xc0\\n[  +0.000018]  ? srso_return_thunk+0x5/0x5f\\n[  +0.000013]  ? __kasan_check_read+0x11/0x20\\n[  +0.000020]  amdgpu_hmm_unregister+0x34/0x50 [amdgpu]\\n[  +0.004695]  amdgpu_gem_object_free+0x66/0xa0 [amdgpu]\\n[  +0.004534]  ? __pfx_amdgpu_gem_object_free+0x10/0x10 [amdgpu]\\n[  +0.004291]  ? do_syscall_64+0x5f/0xe0\\n[  +0.000023]  ? srso_return_thunk+0x5/0x5f\\n[  +0.000017]  drm_gem_object_free+0x3b/0x50 [drm]\\n[  +0.000489]  amdgpu_gem_userptr_ioctl+0x306/0x500 [amdgpu]\\n[  +0.004295]  ? __pfx_amdgpu_gem_userptr_ioctl+0x10/0x10 [amdgpu]\\n[  +0.004270]  ? srso_return_thunk+0x5/0x5f\\n[  +0.000014]  ? __this_cpu_preempt_check+0x13/0x20\\n[  +0.000015]  ? srso_return_thunk+0x5/0x5f\\n[  +0.000013]  ? sysvec_apic_timer_interrupt+0x57/0xc0\\n[  +0.000020]  ? srso_return_thunk+0x5/0x5f\\n[  +0.000014]  ? asm_sysvec_apic_timer_interrupt+0x1b/0x20\\n[  +0.000022]  ? drm_ioctl_kernel+0x17b/0x1f0 [drm]\\n[  +0.000496]  ? __pfx_amdgpu_gem_userptr_ioctl+0x10/0x10 [amdgpu]\\n[  +0.004272]  ? drm_ioctl_kernel+0x190/0x1f0 [drm]\\n[  +0.000492]  drm_ioctl_kernel+0x140/0x1f0 [drm]\\n[  +0.000497]  ? __pfx_amdgpu_gem_userptr_ioctl+0x10/0x10 [amdgpu]\\n[  +0.004297]  ? __pfx_drm_ioctl_kernel+0x10/0x10 [d\\n---truncated---\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: drm/amdgpu: corrige el error de use-after-free. El error se puede activar enviando un solo amdgpu_gem_userptr_ioctl al controlador DRM AMDGPU en cualquier ASIC con una direcci\u00f3n y tama\u00f1o no v\u00e1lidos. El error fue reportado por Joonkyo Jung . Por ejemplo, el siguiente c\u00f3digo: static void Syzkaller1(int fd) { struct drm_amdgpu_gem_userptr arg; ret int; arg.addr = 0xffffffffffff0000; arg.tama\u00f1o = 0x80000000; /*2 Gb*/ arg.flags = 0x7; ret = drmIoctl(fd, 0xc1186451/*amdgpu_gem_userptr_ioctl*/, \u0026amp;arg); } Debido a que la direcci\u00f3n y el tama\u00f1o no son v\u00e1lidos, hay una falla en amdgpu_hmm_register-\u0026gt;mmu_interval_notifier_insert-\u0026gt;__mmu_interval_notifier_insert-\u0026gt; check_shl_overflow, pero incluso en la falla de amdgpu_hmm_register todav\u00eda llamamos a amdgpu_hmm_unregister en amdgpu_gem_object_free, lo que provoca el acceso a una direcci\u00f3n incorrecta. La siguiente pila se muestra a continuaci\u00f3n cuando el problema se reproduce cuando Kazan est\u00e1 habilitado: [+0.000014] Nombre del hardware: Nombre del producto del sistema ASUS/ROG STRIX B550-F GAMING (WI-FI), BIOS 1401 03/12/2020 [+0.000009] RIP: 0010:mmu_interval_notifier_remove+0x327/0x340 [ +0.000017] C\u00f3digo: ff ff 49 89 44 24 08 48 b8 00 01 00 00 00 00 ad de 4c 89 f7 49 89 47 40 48 83 c0 22 49 89 47 48 e8 ce d1 2d 01 e9 32 ff ff ff \u0026lt;0f\u0026gt; 0b e9 16 ff ff ff 4c 89 ef e8 fa 14 b3 ff e9 36 ff ff ff e8 80 [ +0.000014] RSP: 0018:ffffc90002657988 EFLAGS: 00010246 [ +0.000 013] RAX: 0000000000000000 RBX: 1ffff920004caf35 RCX: ffffffff8160565b [ +0.000011] RDX: dffffc0000000000 RSI: 00000000000000004 RDI: ffff8881a9f78260 [ +0.000010] RBP: ffffc90002 657a70 R08: 0000000000000001 R09: fffff520004caf25 [ +0.000010] R10: 0000000000000003 R11: ffffffff8161d1d6 R12: ffff88810e988c00 [ +0.000010] R1 3 : ffff888126fb5a00 R14: ffff88810e988c0c R15: ffff8881a9f78260 [ +0.000011] FS: 00007ff9ec848540(0000) GS:ffff8883cc880000(0000) knlGS:000000000 0000000 [ +0,000012] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ +0,000010] CR2: 000055b3f7e14328 CR3: 00000001b5770000 CR4: 0000000000350ef0 [+0.000010] Seguimiento de llamadas: [+0.000006]  [+0.000007] ? show_regs+0x6a/0x80 [+0.000018]? __advertir+0xa5/0x1b0 [ +0.000019] ? mmu_interval_notifier_remove+0x327/0x340 [+0.000018]? report_bug+0x24a/0x290 [+0.000022] ? handle_bug+0x46/0x90 [+0.000015]? exc_invalid_op+0x19/0x50 [+0.000016]? asm_exc_invalid_op+0x1b/0x20 [+0.000017]? kasan_save_stack+0x26/0x50 [+0.000017]? mmu_interval_notifier_remove+0x23b/0x340 [+0.000019]? mmu_interval_notifier_remove+0x327/0x340 [+0.000019]? mmu_interval_notifier_remove+0x23b/0x340 [+0.000020]? __pfx_mmu_interval_notifier_remove+0x10/0x10 [ +0.000017] ? kasan_save_alloc_info+0x1e/0x30 [ +0.000018] ? srso_return_thunk+0x5/0x5f [+0.000014]? __kasan_kmalloc+0xb1/0xc0 [ +0.000018] ? srso_return_thunk+0x5/0x5f [+0.000013]? __kasan_check_read+0x11/0x20 [ +0.000020] amdgpu_hmm_unregister+0x34/0x50 [amdgpu] [ +0.004695] amdgpu_gem_object_free+0x66/0xa0 [amdgpu] [ +0.004534] ? __pfx_amdgpu_gem_object_free+0x10/0x10 [amdgpu] [ +0.004291] ? do_syscall_64+0x5f/0xe0 [+0.000023]? srso_return_thunk+0x5/0x5f [ +0.000017] drm_gem_object_free+0x3b/0x50 [drm] [ +0.000489] amdgpu_gem_userptr_ioctl+0x306/0x500 [amdgpu] [ +0.004295] ? __pfx_amdgpu_gem_userptr_ioctl+0x10/0x10 [amdgpu] [ +0.004270] ? srso_return_thunk+0x5/0x5f [+0.000014]? __this_cpu_preempt_check+0x13/0x20 [ +0.000015] ? srso_return_thunk+0x5/0x5f [+0.000013]? sysvec_apic_timer_interrupt+0x57/0xc0 [+0.000020]? srso_return_thunk+0x5/0x5f [+0.000014]? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [+0.000022]? drm_ioctl_kernel+0x17b/0x1f0 [drm] [ +0.000496] ? __pfx_amdgpu_gem_userptr_ioctl+0x10/0x10 [amdgpu] [ +0.004272] ? drm_ioctl_kernel+0x190/0x1f0 [drm] [ +0.000492] drm_ioctl_kernel+0x140/0x1f0 [drm] [ +0.000497] ? __pfx_amdgpu_gem_userptr_ioctl+0x10/0x10 [amdgpu] [ +0.004297] ? __pfx_drm_ioctl_kernel+0x10/0x10 [d ---truncado---\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/22207fd5c80177b860279653d017474b2812af5e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/22f665ecfd1225afa1309ace623157d12bb9bb0c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/af054a5fb24a144f99895afce9519d709891894c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e87e08c94c9541b4e18c4c13f2f605935f512605\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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