0000000000000010
[   93.653032][ T6582] RAX: ffffffffffffffda RBX: 00007f90627d5fa0 RCX: 00007f906258ec29
[   93.653043][ T6582] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   93.653052][ T6582] RBP: 00007f9063337090 R08: 0000000000000000 R09: 0000000000000000
[   93.653061][ T6582] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   93.653070][ T6582] R13: 00007f90627d6038 R14: 00007f90627d5fa0 R15: 00007ffcba9d5f38
[   93.653093][ T6582]  </TASK>
[   93.653595][ T6584] FAULT_INJECTION: forcing a failure.
[   93.653595][ T6584] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   93.839501][ T6584] CPU: 2 UID: 0 PID: 6584 Comm: syz.1.42 Not tainted syzkaller #0 PREEMPT(full) 
[   93.839519][ T6584] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   93.839526][ T6584] Call Trace:
[   93.839530][ T6584]  <TASK>
[   93.839535][ T6584]  dump_stack_lvl+0x16c/0x1f0
[   93.839557][ T6584]  should_fail_ex+0x512/0x640
[   93.839576][ T6584]  should_fail_alloc_page+0xe7/0x130
[   93.839594][ T6584]  prepare_alloc_pages+0x3c2/0x610
[   93.839611][ T6584]  ? rcu_is_watching+0x12/0xc0
[   93.839623][ T6584]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   93.839685][ T6584]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   93.839760][ T6584]  ? is_bpf_text_address+0x8a/0x1a0
[   93.839772][ T6584]  ? bpf_ksym_find+0x127/0x1c0
[   93.839787][ T6584]  ? find_held_lock+0x2b/0x80
[   93.839799][ T6584]  ? rcu_read_unlock+0x17/0x60
[   93.839819][ T6584]  __folio_alloc_noprof+0x11/0x220
[   93.839832][ T6584]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   93.839844][ T6584]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   93.839856][ T6584]  ? find_held_lock+0x2b/0x80
[   93.839866][ T6584]  ? stack_depot_save_flags+0x29/0x9c0
[   93.839880][ T6584]  ? is_bpf_text_address+0x8a/0x1a0
[   93.839892][ T6584]  pfn_to_dma_pte+0x33e/0x6a0
[   93.839906][ T6584]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   93.839915][ T6584]  ? dma_buf_map_attachment+0x161/0x5f0
[   93.839932][ T6584]  ? drm_gem_prime_import_dev+0x166/0x440
[   93.839946][ T6584]  ? virtgpu_gem_prime_import+0x16c/0x800
[   93.839964][ T6584]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   93.839977][ T6584]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   93.839992][ T6584]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   93.840002][ T6584]  ? drm_ioctl+0x5c9/0xc30
[   93.840014][ T6584]  intel_iommu_map_pages+0x8af/0x1520
[   93.840034][ T6584]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   93.840048][ T6584]  ? iommu_pgsize+0x294/0x300
[   93.840064][ T6584]  iommu_map_nosync+0x33a/0x700
[   93.840085][ T6584]  ? __pfx_iommu_map_nosync+0x10/0x10
[   93.840101][ T6584]  ? lock_acquire+0x179/0x350
[   93.840116][ T6584]  ? find_held_lock+0x2b/0x80
[   93.840126][ T6584]  ? iommu_map_sg+0x5ee/0x9d0
[   93.840138][ T6584]  iommu_map_sg+0x1c1/0x9d0
[   93.840152][ T6584]  iommu_dma_map_sg+0x92d/0xe90
[   93.840173][ T6584]  __dma_map_sg_attrs+0x293/0x590
[   93.840186][ T6584]  dma_map_sgtable+0x78/0x100
[   93.840197][ T6584]  system_heap_map_dma_buf+0x66/0xf0
[   93.840216][ T6584]  dma_buf_map_attachment+0x161/0x5f0
[   93.840233][ T6584]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   93.840250][ T6584]  drm_gem_prime_import_dev+0x166/0x440
[   93.840266][ T6584]  virtgpu_gem_prime_import+0x16c/0x800
[   93.840296][ T6584]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   93.840311][ T6584]  ? __pfx___mutex_lock+0x10/0x10
[   93.840322][ T6584]  ? find_held_lock+0x2b/0x80
[   93.840332][ T6584]  ? __fget_files+0x204/0x3c0
[   93.840349][ T6584]  ? __fget_files+0x20e/0x3c0
[   93.840365][ T6584]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   93.840380][ T6584]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   93.840397][ T6584]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   93.840414][ T6584]  drm_ioctl_kernel+0x1f4/0x3e0
[   93.840424][ T6584]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   93.840440][ T6584]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   93.840456][ T6584]  drm_ioctl+0x5c9/0xc30
[   93.840469][ T6584]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   93.840485][ T6584]  ? __pfx_drm_ioctl+0x10/0x10
[   93.840502][ T6584]  ? selinux_file_ioctl+0x180/0x270
[   93.840518][ T6584]  ? selinux_file_ioctl+0xb4/0x270
[   93.840534][ T6584]  ? __pfx_drm_ioctl+0x10/0x10
[   93.840545][ T6584]  __x64_sys_ioctl+0x18e/0x210
[   93.840559][ T6584]  do_syscall_64+0xcd/0xfa0
[   93.840571][ T6584]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   93.840583][ T6584] RIP: 0033:0x7f682638ec29
[   93.840594][ T6584] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   93.840605][ T6584] RSP: 002b:00007f68271d2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   93.840616][ T6584] RAX: ffffffffffffffda RBX: 00007f68265d5fa0 RCX: 00007f682638ec29
[   93.840623][ T6584] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   93.840630][ T6584] RBP: 00007f68271d2090 R08: 0000000000000000 R09: 0000000000000000
[   93.840636][ T6584] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   93.840643][ T6584] R13: 00007f68265d6038 R14: 00007f68265d5fa0 R15: 00007fff2221d458
[   93.840657][ T6584]  </TASK>
[   93.841333][ T6587] FAULT_INJECTION: forcing a failure.
[   93.841333][ T6587] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   94.035910][ T6587] CPU: 1 UID: 0 PID: 6587 Comm: syz.3.44 Not tainted syzkaller #0 PREEMPT(full) 
[   94.035942][ T6587] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   94.035957][ T6587] Call Trace:
[   94.035982][ T6587]  <TASK>
[   94.035994][ T6587]  dump_stack_lvl+0x16c/0x1f0
[   94.036036][ T6587]  should_fail_ex+0x512/0x640
[   94.036069][ T6587]  should_fail_alloc_page+0xe7/0x130
[   94.036106][ T6587]  prepare_alloc_pages+0x3c2/0x610
[   94.036136][ T6587]  ? rcu_is_watching+0x12/0xc0
[   94.036160][ T6587]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   94.036218][ T6587]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   94.036249][ T6587]  ? is_bpf_text_address+0x8a/0x1a0
[   94.036270][ T6587]  ? bpf_ksym_find+0x127/0x1c0
[   94.036304][ T6587]  ? find_held_lock+0x2b/0x80
[   94.036326][ T6587]  ? rcu_read_unlock+0x17/0x60
[   94.036537][ T6587]  __folio_alloc_noprof+0x11/0x220
[   94.036564][ T6587]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   94.036590][ T6587]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   94.036611][ T6587]  ? find_held_lock+0x2b/0x80
[   94.036625][ T6587]  ? stack_depot_save_flags+0x29/0x9c0
[   94.036646][ T6587]  ? is_bpf_text_address+0x8a/0x1a0
[   94.036664][ T6587]  pfn_to_dma_pte+0x33e/0x6a0
[   94.036687][ T6587]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   94.036701][ T6587]  ? dma_buf_map_attachment+0x161/0x5f0
[   94.036725][ T6587]  ? drm_gem_prime_import_dev+0x166/0x440
[   94.036746][ T6587]  ? virtgpu_gem_prime_import+0x16c/0x800
[   94.036765][ T6587]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   94.036783][ T6587]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   94.036802][ T6587]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   94.036816][ T6587]  ? drm_ioctl+0x5c9/0xc30
[   94.036831][ T6587]  intel_iommu_map_pages+0x8af/0x1520
[   94.036865][ T6587]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   94.036882][ T6587]  ? iommu_pgsize+0x294/0x300
[   94.036903][ T6587]  iommu_map_nosync+0x33a/0x700
[   94.036930][ T6587]  ? __pfx_iommu_map_nosync+0x10/0x10
[   94.036956][ T6587]  ? lock_acquire+0x179/0x350
[   94.036975][ T6587]  ? find_held_lock+0x2b/0x80
[   94.036988][ T6587]  ? iommu_map_sg+0x5ee/0x9d0
[   94.037003][ T6587]  iommu_map_sg+0x1c1/0x9d0
[   94.037022][ T6587]  iommu_dma_map_sg+0x92d/0xe90
[   94.037055][ T6587]  __dma_map_sg_attrs+0x293/0x590
[   94.037074][ T6587]  dma_map_sgtable+0x78/0x100
[   94.037092][ T6587]  system_heap_map_dma_buf+0x66/0xf0
[   94.037120][ T6587]  dma_buf_map_attachment+0x161/0x5f0
[   94.037142][ T6587]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   94.037164][ T6587]  drm_gem_prime_import_dev+0x166/0x440
[   94.037184][ T6587]  virtgpu_gem_prime_import+0x16c/0x800
[   94.037204][ T6587]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   94.037220][ T6587]  ? __pfx___mutex_lock+0x10/0x10
[   94.037234][ T6587]  ? find_held_lock+0x2b/0x80
[   94.037247][ T6587]  ? __fget_files+0x204/0x3c0
[   94.037268][ T6587]  ? __fget_files+0x20e/0x3c0
[   94.037288][ T6587]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   94.037307][ T6587]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   94.037329][ T6587]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   94.037350][ T6587]  drm_ioctl_kernel+0x1f4/0x3e0
[   94.037363][ T6587]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   94.037384][ T6587]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   94.037404][ T6587]  drm_ioctl+0x5c9/0xc30
[   94.037421][ T6587]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   94.037441][ T6587]  ? __pfx_drm_ioctl+0x10/0x10
[   94.037464][ T6587]  ? selinux_file_ioctl+0x180/0x270
[   94.037483][ T6587]  ? selinux_file_ioctl+0xb4/0x270
[   94.037503][ T6587]  ? __pfx_drm_ioctl+0x10/0x10
[   94.037517][ T6587]  __x64_sys_ioctl+0x18e/0x210
[   94.037534][ T6587]  do_syscall_64+0xcd/0xfa0
[   94.037549][ T6587]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   94.037563][ T6587] RIP: 0033:0x7f800df8ec29
[   94.037575][ T6587] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   94.037589][ T6587] RSP: 002b:00007f800edc6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   94.037604][ T6587] RAX: ffffffffffffffda RBX: 00007f800e1d5fa0 RCX: 00007f800df8ec29
[   94.037613][ T6587] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   94.037622][ T6587] RBP: 00007f800edc6090 R08: 0000000000000000 R09: 0000000000000000
[   94.037630][ T6587] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   94.037638][ T6587] R13: 00007f800e1d6038 R14: 00007f800e1d5fa0 R15: 00007ffd5d624458
[   94.037658][ T6587]  </TASK>
[   94.038201][ T6588] FAULT_INJECTION: forcing a failure.
[   94.038201][ T6588] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   94.199953][ T6588] CPU: 2 UID: 0 PID: 6588 Comm: syz.0.43 Not tainted syzkaller #0 PREEMPT(full) 
[   94.199978][ T6588] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   94.199989][ T6588] Call Trace:
[   94.199995][ T6588]  <TASK>
[   94.200003][ T6588]  dump_stack_lvl+0x16c/0x1f0
[   94.200036][ T6588]  should_fail_ex+0x512/0x640
[   94.200061][ T6588]  should_fail_alloc_page+0xe7/0x130
[   94.200088][ T6588]  prepare_alloc_pages+0x3c2/0x610
[   94.200114][ T6588]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   94.200174][ T6588]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   94.200195][ T6588]  ? find_held_lock+0x2b/0x80
[   94.200213][ T6588]  ? is_bpf_text_address+0x8a/0x1a0
[   94.200228][ T6588]  ? bpf_ksym_find+0x127/0x1c0
[   94.200247][ T6588]  ? is_bpf_text_address+0x94/0x1a0
[   94.200260][ T6588]  ? kernel_text_address+0x8d/0x100
[   94.200280][ T6588]  ? __kernel_text_address+0xd/0x40
[   94.200294][ T6588]  ? unwind_get_return_address+0x59/0xa0
[   94.200311][ T6588]  ? arch_stack_walk+0xa6/0x100
[   94.200329][ T6588]  __folio_alloc_noprof+0x11/0x220
[   94.200342][ T6588]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   94.200354][ T6588]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   94.200364][ T6588]  ? find_held_lock+0x2b/0x80
[   94.200373][ T6588]  ? stack_depot_save_flags+0x29/0x9c0
[   94.200387][ T6588]  ? is_bpf_text_address+0x8a/0x1a0
[   94.200397][ T6588]  pfn_to_dma_pte+0x33e/0x6a0
[   94.200409][ T6588]  ? kmem_cache_alloc_noprof+0x250/0x6e0
[   94.200421][ T6588]  ? alloc_iova+0x37/0x7e0
[   94.200436][ T6588]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   94.200445][ T6588]  ? dma_buf_map_attachment+0x161/0x5f0
[   94.200460][ T6588]  ? drm_gem_prime_import_dev+0x166/0x440
[   94.200474][ T6588]  ? virtgpu_gem_prime_import+0x16c/0x800
[   94.200487][ T6588]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   94.200500][ T6588]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   94.200514][ T6588]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   94.200523][ T6588]  ? drm_ioctl+0x5c9/0xc30
[   94.200534][ T6588]  intel_iommu_map_pages+0x8af/0x1520
[   94.200554][ T6588]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   94.200567][ T6588]  ? iommu_pgsize+0x294/0x300
[   94.200582][ T6588]  iommu_map_nosync+0x33a/0x700
[   94.200601][ T6588]  ? __pfx_iommu_map_nosync+0x10/0x10
[   94.200617][ T6588]  ? lock_acquire+0x179/0x350
[   94.200630][ T6588]  ? find_held_lock+0x2b/0x80
[   94.200639][ T6588]  ? iommu_map_sg+0x5ee/0x9d0
[   94.200650][ T6588]  iommu_map_sg+0x1c1/0x9d0
[   94.200665][ T6588]  iommu_dma_map_sg+0x92d/0xe90
[   94.200686][ T6588]  __dma_map_sg_attrs+0x293/0x590
[   94.200698][ T6588]  dma_map_sgtable+0x78/0x100
[   94.200710][ T6588]  system_heap_map_dma_buf+0x66/0xf0
[   94.200728][ T6588]  dma_buf_map_attachment+0x161/0x5f0
[   94.200745][ T6588]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   94.200761][ T6588]  drm_gem_prime_import_dev+0x166/0x440
[   94.200776][ T6588]  virtgpu_gem_prime_import+0x16c/0x800
[   94.200790][ T6588]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   94.200803][ T6588]  ? __pfx___mutex_lock+0x10/0x10
[   94.200813][ T6588]  ? find_held_lock+0x2b/0x80
[   94.200823][ T6588]  ? __fget_files+0x204/0x3c0
[   94.200839][ T6588]  ? __fget_files+0x20e/0x3c0
[   94.200853][ T6588]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   94.200867][ T6588]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   94.200884][ T6588]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   94.200899][ T6588]  drm_ioctl_kernel+0x1f4/0x3e0
[   94.200915][ T6588]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   94.200930][ T6588]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   94.200945][ T6588]  drm_ioctl+0x5c9/0xc30
[   94.200957][ T6588]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   94.200972][ T6588]  ? __pfx_drm_ioctl+0x10/0x10
[   94.200988][ T6588]  ? selinux_file_ioctl+0x180/0x270
[   94.201003][ T6588]  ? selinux_file_ioctl+0xb4/0x270
[   94.201018][ T6588]  ? __pfx_drm_ioctl+0x10/0x10
[   94.201029][ T6588]  __x64_sys_ioctl+0x18e/0x210
[   94.201042][ T6588]  do_syscall_64+0xcd/0xfa0
[   94.201053][ T6588]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   94.201068][ T6588] RIP: 0033:0x7f40d218ec29
[   94.201078][ T6588] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   94.201088][ T6588] RSP: 002b:00007f40d2f79038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   94.201098][ T6588] RAX: ffffffffffffffda RBX: 00007f40d23d5fa0 RCX: 00007f40d218ec29
[   94.201105][ T6588] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   94.201111][ T6588] RBP: 00007f40d2f79090 R08: 0000000000000000 R09: 0000000000000000
[   94.201117][ T6588] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   94.201123][ T6588] R13: 00007f40d23d6038 R14: 00007f40d23d5fa0 R15: 00007ffdb3ff7518
[   94.201138][ T6588]  </TASK>
[   94.201639][ T6590] FAULT_INJECTION: forcing a failure.
[   94.201639][ T6590] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   94.410095][ T6590] CPU: 2 UID: 0 PID: 6590 Comm: syz.2.45 Not tainted syzkaller #0 PREEMPT(full) 
[   94.410111][ T6590] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   94.410117][ T6590] Call Trace:
[   94.410121][ T6590]  <TASK>
[   94.410126][ T6590]  dump_stack_lvl+0x16c/0x1f0
[   94.410147][ T6590]  should_fail_ex+0x512/0x640
[   94.410162][ T6590]  should_fail_alloc_page+0xe7/0x130
[   94.410179][ T6590]  prepare_alloc_pages+0x3c2/0x610
[   94.410194][ T6590]  ? rcu_is_watching+0x12/0xc0
[   94.410206][ T6590]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   94.410227][ T6590]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   94.410241][ T6590]  ? is_bpf_text_address+0x8a/0x1a0
[   94.410250][ T6590]  ? bpf_ksym_find+0x127/0x1c0
[   94.410265][ T6590]  ? find_held_lock+0x2b/0x80
[   94.410275][ T6590]  ? rcu_read_unlock+0x17/0x60
[   94.410294][ T6590]  __folio_alloc_noprof+0x11/0x220
[   94.410306][ T6590]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   94.410318][ T6590]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   94.410328][ T6590]  ? find_held_lock+0x2b/0x80
[   94.410337][ T6590]  ? stack_depot_save_flags+0x29/0x9c0
[   94.410350][ T6590]  ? is_bpf_text_address+0x8a/0x1a0
[   94.410361][ T6590]  pfn_to_dma_pte+0x33e/0x6a0
[   94.410374][ T6590]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   94.410383][ T6590]  ? dma_buf_map_attachment+0x161/0x5f0
[   94.410398][ T6590]  ? drm_gem_prime_import_dev+0x166/0x440
[   94.410412][ T6590]  ? virtgpu_gem_prime_import+0x16c/0x800
[   94.410425][ T6590]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   94.410438][ T6590]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   94.410451][ T6590]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   94.410461][ T6590]  ? drm_ioctl+0x5c9/0xc30
[   94.410472][ T6590]  intel_iommu_map_pages+0x8af/0x1520
[   94.410491][ T6590]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   94.410504][ T6590]  ? iommu_pgsize+0x294/0x300
[   94.410519][ T6590]  iommu_map_nosync+0x33a/0x700
[   94.410538][ T6590]  ? __pfx_iommu_map_nosync+0x10/0x10
[   94.410554][ T6590]  ? lock_acquire+0x179/0x350
[   94.410567][ T6590]  ? find_held_lock+0x2b/0x80
[   94.410576][ T6590]  ? iommu_map_sg+0x5ee/0x9d0
[   94.410587][ T6590]  iommu_map_sg+0x1c1/0x9d0
[   94.410600][ T6590]  iommu_dma_map_sg+0x92d/0xe90
[   94.410620][ T6590]  __dma_map_sg_attrs+0x293/0x590
[   94.410632][ T6590]  dma_map_sgtable+0x78/0x100
[   94.410650][ T6590]  system_heap_map_dma_buf+0x66/0xf0
[   94.410666][ T6590]  dma_buf_map_attachment+0x161/0x5f0
[   94.410682][ T6590]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   94.410698][ T6590]  drm_gem_prime_import_dev+0x166/0x440
[   94.410713][ T6590]  virtgpu_gem_prime_import+0x16c/0x800
[   94.410728][ T6590]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   94.410741][ T6590]  ? __pfx___mutex_lock+0x10/0x10
[   94.410751][ T6590]  ? find_held_lock+0x2b/0x80
[   94.410761][ T6590]  ? __fget_files+0x204/0x3c0
[   94.410777][ T6590]  ? __fget_files+0x20e/0x3c0
[   94.410791][ T6590]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   94.410805][ T6590]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   94.410822][ T6590]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   94.410837][ T6590]  drm_ioctl_kernel+0x1f4/0x3e0
[   94.410847][ T6590]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   94.410862][ T6590]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   94.410877][ T6590]  drm_ioctl+0x5c9/0xc30
[   94.410892][ T6590]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   94.410907][ T6590]  ? __pfx_drm_ioctl+0x10/0x10
[   94.410923][ T6590]  ? selinux_file_ioctl+0x180/0x270
[   94.410937][ T6590]  ? selinux_file_ioctl+0xb4/0x270
[   94.410952][ T6590]  ? __pfx_drm_ioctl+0x10/0x10
[   94.410963][ T6590]  __x64_sys_ioctl+0x18e/0x210
[   94.410976][ T6590]  do_syscall_64+0xcd/0xfa0
[   94.410987][ T6590]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   94.410998][ T6590] RIP: 0033:0x7f906258ec29
[   94.411007][ T6590] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   94.411017][ T6590] RSP: 002b:00007f9063337038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   94.411028][ T6590] RAX: ffffffffffffffda RBX: 00007f90627d5fa0 RCX: 00007f906258ec29
[   94.411035][ T6590] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   94.411041][ T6590] RBP: 00007f9063337090 R08: 0000000000000000 R09: 0000000000000000
[   94.411047][ T6590] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   94.411053][ T6590] R13: 00007f90627d6038 R14: 00007f90627d5fa0 R15: 00007ffcba9d5f38
[   94.411067][ T6590]  </TASK>
[   94.411482][ T6592] FAULT_INJECTION: forcing a failure.
[   94.411482][ T6592] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   94.592536][ T6592] CPU: 2 UID: 0 PID: 6592 Comm: syz.1.46 Not tainted syzkaller #0 PREEMPT(full) 
[   94.592568][ T6592] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   94.592583][ T6592] Call Trace:
[   94.592592][ T6592]  <TASK>
[   94.592602][ T6592]  dump_stack_lvl+0x16c/0x1f0
[   94.592646][ T6592]  should_fail_ex+0x512/0x640
[   94.592690][ T6592]  should_fail_alloc_page+0xe7/0x130
[   94.592729][ T6592]  prepare_alloc_pages+0x3c2/0x610
[   94.592764][ T6592]  ? rcu_is_watching+0x12/0xc0
[   94.592792][ T6592]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   94.592839][ T6592]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   94.592872][ T6592]  ? is_bpf_text_address+0x8a/0x1a0
[   94.592894][ T6592]  ? bpf_ksym_find+0x127/0x1c0
[   94.592928][ T6592]  ? find_held_lock+0x2b/0x80
[   94.592950][ T6592]  ? rcu_read_unlock+0x17/0x60
[   94.592991][ T6592]  __folio_alloc_noprof+0x11/0x220
[   94.593016][ T6592]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   94.593040][ T6592]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   94.593062][ T6592]  ? find_held_lock+0x2b/0x80
[   94.593080][ T6592]  ? stack_depot_save_flags+0x29/0x9c0
[   94.593109][ T6592]  ? is_bpf_text_address+0x8a/0x1a0
[   94.593132][ T6592]  pfn_to_dma_pte+0x33e/0x6a0
[   94.593161][ T6592]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   94.593181][ T6592]  ? dma_buf_map_attachment+0x161/0x5f0
[   94.593211][ T6592]  ? drm_gem_prime_import_dev+0x166/0x440
[   94.593235][ T6592]  ? virtgpu_gem_prime_import+0x16c/0x800
[   94.593271][ T6592]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   94.593291][ T6592]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   94.593308][ T6592]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   94.593321][ T6592]  ? drm_ioctl+0x5c9/0xc30
[   94.593336][ T6592]  intel_iommu_map_pages+0x8af/0x1520
[   94.593362][ T6592]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   94.593378][ T6592]  ? iommu_pgsize+0x294/0x300
[   94.593398][ T6592]  iommu_map_nosync+0x33a/0x700
[   94.593423][ T6592]  ? __pfx_iommu_map_nosync+0x10/0x10
[   94.593442][ T6592]  ? lock_acquire+0x179/0x350
[   94.593460][ T6592]  ? find_held_lock+0x2b/0x80
[   94.593473][ T6592]  ? iommu_map_sg+0x5ee/0x9d0
[   94.593487][ T6592]  iommu_map_sg+0x1c1/0x9d0
[   94.593504][ T6592]  iommu_dma_map_sg+0x92d/0xe90
[   94.593530][ T6592]  __dma_map_sg_attrs+0x293/0x590
[   94.593546][ T6592]  dma_map_sgtable+0x78/0x100
[   94.593561][ T6592]  system_heap_map_dma_buf+0x66/0xf0
[   94.593583][ T6592]  dma_buf_map_attachment+0x161/0x5f0
[   94.593604][ T6592]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   94.593625][ T6592]  drm_gem_prime_import_dev+0x166/0x440
[   94.593645][ T6592]  virtgpu_gem_prime_import+0x16c/0x800
[   94.593663][ T6592]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   94.593685][ T6592]  ? __pfx___mutex_lock+0x10/0x10
[   94.593699][ T6592]  ? find_held_lock+0x2b/0x80
[   94.593711][ T6592]  ? __fget_files+0x204/0x3c0
[   94.593732][ T6592]  ? __fget_files+0x20e/0x3c0
[   94.593751][ T6592]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   94.593769][ T6592]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   94.593791][ T6592]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   94.593811][ T6592]  drm_ioctl_kernel+0x1f4/0x3e0
[   94.593824][ T6592]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   94.593843][ T6592]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   94.593862][ T6592]  drm_ioctl+0x5c9/0xc30
[   94.593878][ T6592]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   94.593898][ T6592]  ? __pfx_drm_ioctl+0x10/0x10
[   94.593919][ T6592]  ? selinux_file_ioctl+0x180/0x270
[   94.593940][ T6592]  ? selinux_file_ioctl+0xb4/0x270
[   94.593959][ T6592]  ? __pfx_drm_ioctl+0x10/0x10
[   94.593973][ T6592]  __x64_sys_ioctl+0x18e/0x210
[   94.593989][ T6592]  do_syscall_64+0xcd/0xfa0
[   94.594004][ T6592]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   94.594018][ T6592] RIP: 0033:0x7f682638ec29
[   94.594030][ T6592] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   94.594043][ T6592] RSP: 002b:00007f68271d2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   94.594057][ T6592] RAX: ffffffffffffffda RBX: 00007f68265d5fa0 RCX: 00007f682638ec29
[   94.594065][ T6592] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   94.594073][ T6592] RBP: 00007f68271d2090 R08: 0000000000000000 R09: 0000000000000000
[   94.594081][ T6592] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   94.594089][ T6592] R13: 00007f68265d6038 R14: 00007f68265d5fa0 R15: 00007fff2221d458
[   94.594107][ T6592]  </TASK>
[   94.595359][ T6594] FAULT_INJECTION: forcing a failure.
[   94.595359][ T6594] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   94.766429][ T6594] CPU: 3 UID: 0 PID: 6594 Comm: syz.3.47 Not tainted syzkaller #0 PREEMPT(full) 
[   94.766446][ T6594] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   94.766453][ T6594] Call Trace:
[   94.766457][ T6594]  <TASK>
[   94.766462][ T6594]  dump_stack_lvl+0x16c/0x1f0
[   94.766484][ T6594]  should_fail_ex+0x512/0x640
[   94.766499][ T6594]  should_fail_alloc_page+0xe7/0x130
[   94.766516][ T6594]  prepare_alloc_pages+0x3c2/0x610
[   94.766531][ T6594]  ? rcu_is_watching+0x12/0xc0
[   94.766543][ T6594]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   94.766563][ T6594]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   94.766577][ T6594]  ? is_bpf_text_address+0x8a/0x1a0
[   94.766593][ T6594]  ? bpf_ksym_find+0x127/0x1c0
[   94.766619][ T6594]  ? find_held_lock+0x2b/0x80
[   94.766638][ T6594]  ? rcu_read_unlock+0x17/0x60
[   94.766668][ T6594]  __folio_alloc_noprof+0x11/0x220
[   94.766688][ T6594]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   94.766707][ T6594]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   94.766725][ T6594]  ? find_held_lock+0x2b/0x80
[   94.766738][ T6594]  ? stack_depot_save_flags+0x29/0x9c0
[   94.766752][ T6594]  ? is_bpf_text_address+0x8a/0x1a0
[   94.766763][ T6594]  pfn_to_dma_pte+0x33e/0x6a0
[   94.766776][ T6594]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   94.766785][ T6594]  ? dma_buf_map_attachment+0x161/0x5f0
[   94.766801][ T6594]  ? drm_gem_prime_import_dev+0x166/0x440
[   94.766815][ T6594]  ? virtgpu_gem_prime_import+0x16c/0x800
[   94.766827][ T6594]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   94.766840][ T6594]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   94.766853][ T6594]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   94.766863][ T6594]  ? drm_ioctl+0x5c9/0xc30
[   94.766874][ T6594]  intel_iommu_map_pages+0x8af/0x1520
[   94.766894][ T6594]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   94.766905][ T6594]  ? irqentry_exit+0x3b/0x90
[   94.766914][ T6594]  ? lockdep_hardirqs_on+0x7c/0x110
[   94.766929][ T6594]  ? iommu_pgsize+0x294/0x300
[   94.766944][ T6594]  iommu_map_nosync+0x33a/0x700
[   94.766963][ T6594]  ? __pfx_iommu_map_nosync+0x10/0x10
[   94.766979][ T6594]  ? lock_acquire+0x179/0x350
[   94.766996][ T6594]  ? find_held_lock+0x2b/0x80
[   94.767008][ T6594]  ? iommu_map_sg+0x5ee/0x9d0
[   94.767019][ T6594]  iommu_map_sg+0x1c1/0x9d0
[   94.767035][ T6594]  iommu_dma_map_sg+0x92d/0xe90
[   94.767057][ T6594]  __dma_map_sg_attrs+0x293/0x590
[   94.767072][ T6594]  dma_map_sgtable+0x78/0x100
[   94.767083][ T6594]  system_heap_map_dma_buf+0x66/0xf0
[   94.767101][ T6594]  dma_buf_map_attachment+0x161/0x5f0
[   94.767117][ T6594]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   94.767133][ T6594]  drm_gem_prime_import_dev+0x166/0x440
[   94.767148][ T6594]  virtgpu_gem_prime_import+0x16c/0x800
[   94.767162][ T6594]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   94.767175][ T6594]  ? __pfx___mutex_lock+0x10/0x10
[   94.767185][ T6594]  ? find_held_lock+0x2b/0x80
[   94.767194][ T6594]  ? __fget_files+0x204/0x3c0
[   94.767210][ T6594]  ? __fget_files+0x20e/0x3c0
[   94.767224][ T6594]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   94.767238][ T6594]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   94.767254][ T6594]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   94.767270][ T6594]  drm_ioctl_kernel+0x1f4/0x3e0
[   94.767280][ T6594]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   94.767295][ T6594]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   94.767310][ T6594]  drm_ioctl+0x5c9/0xc30
[   94.767322][ T6594]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   94.767337][ T6594]  ? __pfx_drm_ioctl+0x10/0x10
[   94.767353][ T6594]  ? selinux_file_ioctl+0x180/0x270
[   94.767380][ T6594]  ? selinux_file_ioctl+0xb4/0x270
[   94.767398][ T6594]  ? __pfx_drm_ioctl+0x10/0x10
[   94.767411][ T6594]  __x64_sys_ioctl+0x18e/0x210
[   94.767424][ T6594]  do_syscall_64+0xcd/0xfa0
[   94.767435][ T6594]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   94.767446][ T6594] RIP: 0033:0x7f800df8ec29
[   94.767455][ T6594] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   94.767465][ T6594] RSP: 002b:00007f800edc6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   94.767476][ T6594] RAX: ffffffffffffffda RBX: 00007f800e1d5fa0 RCX: 00007f800df8ec29
[   94.767482][ T6594] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   94.767488][ T6594] RBP: 00007f800edc6090 R08: 0000000000000000 R09: 0000000000000000
[   94.767494][ T6594] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   94.767500][ T6594] R13: 00007f800e1d6038 R14: 00007f800e1d5fa0 R15: 00007ffd5d624458
[   94.767514][ T6594]  </TASK>
[   94.769529][ T6598] FAULT_INJECTION: forcing a failure.
[   94.769529][ T6598] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   94.770159][ T6596] FAULT_INJECTION: forcing a failure.
[   94.770159][ T6596] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   94.770186][ T6596] CPU: 2 UID: 0 PID: 6596 Comm: syz.0.48 Not tainted syzkaller #0 PREEMPT(full) 
[   94.770205][ T6596] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   94.770216][ T6596] Call Trace:
[   94.770222][ T6596]  <TASK>
[   94.770229][ T6596]  dump_stack_lvl+0x16c/0x1f0
[   94.770259][ T6596]  should_fail_ex+0x512/0x640
[   94.770284][ T6596]  _copy_to_user+0x32/0xd0
[   94.770309][ T6596]  simple_read_from_buffer+0xcb/0x170
[   94.770333][ T6596]  proc_fail_nth_read+0x197/0x240
[   94.770359][ T6596]  ? __pfx_proc_fail_nth_read+0x10/0x10
[   94.770387][ T6596]  ? rw_verify_area+0xcf/0x6c0
[   94.770406][ T6596]  ? __pfx_proc_fail_nth_read+0x10/0x10
[   94.770431][ T6596]  vfs_read+0x1e4/0xcf0
[   94.770456][ T6596]  ? __pfx___mutex_lock+0x10/0x10
[   94.770474][ T6596]  ? __pfx_vfs_read+0x10/0x10
[   94.770502][ T6596]  ? __fget_files+0x20e/0x3c0
[   94.770522][ T6596]  ? rcu_watching_snap_stopped_since+0x70/0x110
[   94.770549][ T6596]  ksys_read+0x12a/0x250
[   94.770570][ T6596]  ? __pfx_ksys_read+0x10/0x10
[   94.770592][ T6596]  ? __secure_computing+0x28e/0x3b0
[   94.770619][ T6596]  do_syscall_64+0xcd/0xfa0
[   94.770638][ T6596]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   94.770655][ T6596] RIP: 0033:0x7f40d218d63c
[   94.770669][ T6596] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[   94.770684][ T6596] RSP: 002b:00007f40d2f79030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[   94.770700][ T6596] RAX: ffffffffffffffda RBX: 00007f40d23d5fa0 RCX: 00007f40d218d63c
[   94.770711][ T6596] RDX: 000000000000000f RSI: 00007f40d2f790a0 RDI: 0000000000000006
[   94.770721][ T6596] RBP: 00007f40d2f79090 R08: 0000000000000000 R09: 0000000000000000
[   94.770730][ T6596] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   94.770741][ T6596] R13: 00007f40d23d6038 R14: 00007f40d23d5fa0 R15: 00007ffdb3ff7518
[   94.770765][ T6596]  </TASK>
[   95.008263][ T6598] CPU: 0 UID: 0 PID: 6598 Comm: syz.2.49 Not tainted syzkaller #0 PREEMPT(full) 
[   95.008279][ T6598] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   95.008286][ T6598] Call Trace:
[   95.008291][ T6598]  <TASK>
[   95.008296][ T6598]  dump_stack_lvl+0x16c/0x1f0
[   95.008317][ T6598]  should_fail_ex+0x512/0x640
[   95.008333][ T6598]  should_fail_alloc_page+0xe7/0x130
[   95.008351][ T6598]  prepare_alloc_pages+0x3c2/0x610
[   95.008367][ T6598]  ? rcu_is_watching+0x12/0xc0
[   95.008379][ T6598]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   95.008399][ T6598]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   95.008427][ T6598]  ? is_bpf_text_address+0x8a/0x1a0
[   95.008438][ T6598]  ? bpf_ksym_find+0x127/0x1c0
[   95.008453][ T6598]  ? find_held_lock+0x2b/0x80
[   95.008475][ T6598]  ? rcu_read_unlock+0x17/0x60
[   95.008494][ T6598]  __folio_alloc_noprof+0x11/0x220
[   95.008506][ T6598]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   95.008519][ T6598]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   95.008529][ T6598]  ? find_held_lock+0x2b/0x80
[   95.008538][ T6598]  ? stack_depot_save_flags+0x29/0x9c0
[   95.008551][ T6598]  ? is_bpf_text_address+0x8a/0x1a0
[   95.008562][ T6598]  pfn_to_dma_pte+0x33e/0x6a0
[   95.008575][ T6598]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   95.008585][ T6598]  ? dma_buf_map_attachment+0x161/0x5f0
[   95.008600][ T6598]  ? drm_gem_prime_import_dev+0x166/0x440
[   95.008617][ T6598]  ? virtgpu_gem_prime_import+0x16c/0x800
[   95.008637][ T6598]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   95.008655][ T6598]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   95.008672][ T6598]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   95.008681][ T6598]  ? drm_ioctl+0x5c9/0xc30
[   95.008694][ T6598]  intel_iommu_map_pages+0x8af/0x1520
[   95.008714][ T6598]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   95.008727][ T6598]  ? iommu_pgsize+0x294/0x300
[   95.008742][ T6598]  iommu_map_nosync+0x33a/0x700
[   95.008768][ T6598]  ? __pfx_iommu_map_nosync+0x10/0x10
[   95.008786][ T6598]  ? lock_acquire+0x179/0x350
[   95.008800][ T6598]  ? find_held_lock+0x2b/0x80
[   95.008809][ T6598]  ? iommu_map_sg+0x5ee/0x9d0
[   95.008820][ T6598]  iommu_map_sg+0x1c1/0x9d0
[   95.008834][ T6598]  iommu_dma_map_sg+0x92d/0xe90
[   95.008855][ T6598]  __dma_map_sg_attrs+0x293/0x590
[   95.008871][ T6598]  dma_map_sgtable+0x78/0x100
[   95.008882][ T6598]  system_heap_map_dma_buf+0x66/0xf0
[   95.008899][ T6598]  dma_buf_map_attachment+0x161/0x5f0
[   95.008916][ T6598]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   95.008932][ T6598]  drm_gem_prime_import_dev+0x166/0x440
[   95.008947][ T6598]  virtgpu_gem_prime_import+0x16c/0x800
[   95.008962][ T6598]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   95.008975][ T6598]  ? __pfx___mutex_lock+0x10/0x10
[   95.008985][ T6598]  ? find_held_lock+0x2b/0x80
[   95.008995][ T6598]  ? __fget_files+0x204/0x3c0
[   95.009011][ T6598]  ? __fget_files+0x20e/0x3c0
[   95.009026][ T6598]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   95.009040][ T6598]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   95.009056][ T6598]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   95.009073][ T6598]  drm_ioctl_kernel+0x1f4/0x3e0
[   95.009082][ T6598]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   95.009097][ T6598]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   95.009112][ T6598]  drm_ioctl+0x5c9/0xc30
[   95.009125][ T6598]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   95.009140][ T6598]  ? __pfx_drm_ioctl+0x10/0x10
[   95.009156][ T6598]  ? selinux_file_ioctl+0x180/0x270
[   95.009170][ T6598]  ? selinux_file_ioctl+0xb4/0x270
[   95.009185][ T6598]  ? __pfx_drm_ioctl+0x10/0x10
[   95.009196][ T6598]  __x64_sys_ioctl+0x18e/0x210
[   95.009209][ T6598]  do_syscall_64+0xcd/0xfa0
[   95.009220][ T6598]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   95.009232][ T6598] RIP: 0033:0x7f906258ec29
[   95.009242][ T6598] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   95.009252][ T6598] RSP: 002b:00007f9063337038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   95.009264][ T6598] RAX: ffffffffffffffda RBX: 00007f90627d5fa0 RCX: 00007f906258ec29
[   95.009270][ T6598] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   95.009277][ T6598] RBP: 00007f9063337090 R08: 0000000000000000 R09: 0000000000000000
[   95.009283][ T6598] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   95.009289][ T6598] R13: 00007f90627d6038 R14: 00007f90627d5fa0 R15: 00007ffcba9d5f38
[   95.009303][ T6598]  </TASK>
[   95.166661][ T6600] FAULT_INJECTION: forcing a failure.
[   95.166661][ T6600] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   95.176646][ T6600] CPU: 2 UID: 0 PID: 6600 Comm: syz.1.50 Not tainted syzkaller #0 PREEMPT(full) 
[   95.176673][ T6600] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   95.176684][ T6600] Call Trace:
[   95.176691][ T6600]  <TASK>
[   95.176699][ T6600]  dump_stack_lvl+0x16c/0x1f0
[   95.176733][ T6600]  should_fail_ex+0x512/0x640
[   95.176760][ T6600]  should_fail_alloc_page+0xe7/0x130
[   95.176787][ T6600]  prepare_alloc_pages+0x3c2/0x610
[   95.176814][ T6600]  ? rcu_is_watching+0x12/0xc0
[   95.176835][ T6600]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   95.176873][ T6600]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   95.176898][ T6600]  ? is_bpf_text_address+0x8a/0x1a0
[   95.176913][ T6600]  ? bpf_ksym_find+0x127/0x1c0
[   95.176937][ T6600]  ? find_held_lock+0x2b/0x80
[   95.176956][ T6600]  ? rcu_read_unlock+0x17/0x60
[   95.176989][ T6600]  __folio_alloc_noprof+0x11/0x220
[   95.177010][ T6600]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   95.177030][ T6600]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   95.177047][ T6600]  ? find_held_lock+0x2b/0x80
[   95.177062][ T6600]  ? stack_depot_save_flags+0x29/0x9c0
[   95.177085][ T6600]  ? is_bpf_text_address+0x8a/0x1a0
2025/10/21 16:38:26 executed programs: 44
[   95.177102][ T6600]  pfn_to_dma_pte+0x33e/0x6a0
[   95.177123][ T6600]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   95.177137][ T6600]  ? dma_buf_map_attachment+0x161/0x5f0
[   95.177162][ T6600]  ? drm_gem_prime_import_dev+0x166/0x440
[   95.177186][ T6600]  ? virtgpu_gem_prime_import+0x16c/0x800
[   95.177206][ T6600]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   95.177226][ T6600]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   95.177248][ T6600]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   95.177263][ T6600]  ? drm_ioctl+0x5c9/0xc30
[   95.177282][ T6600]  intel_iommu_map_pages+0x8af/0x1520
[   95.177316][ T6600]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   95.177336][ T6600]  ? iommu_pgsize+0x294/0x300
[   95.177362][ T6600]  iommu_map_nosync+0x33a/0x700
[   95.177398][ T6600]  ? __pfx_iommu_map_nosync+0x10/0x10
[   95.177425][ T6600]  ? lock_acquire+0x179/0x350
[   95.177446][ T6600]  ? find_held_lock+0x2b/0x80
[   95.177464][ T6600]  ? iommu_map_sg+0x5ee/0x9d0
[   95.177484][ T6600]  iommu_map_sg+0x1c1/0x9d0
[   95.177509][ T6600]  iommu_dma_map_sg+0x92d/0xe90
[   95.177547][ T6600]  __dma_map_sg_attrs+0x293/0x590
[   95.177568][ T6600]  dma_map_sgtable+0x78/0x100
[   95.177609][ T6600]  system_heap_map_dma_buf+0x66/0xf0
[   95.177647][ T6600]  dma_buf_map_attachment+0x161/0x5f0
[   95.177677][ T6600]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   95.177701][ T6600]  drm_gem_prime_import_dev+0x166/0x440
[   95.177728][ T6600]  virtgpu_gem_prime_import+0x16c/0x800
[   95.177754][ T6600]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   95.177776][ T6600]  ? __pfx___mutex_lock+0x10/0x10
[   95.177794][ T6600]  ? find_held_lock+0x2b/0x80
[   95.177811][ T6600]  ? __fget_files+0x204/0x3c0
[   95.177837][ T6600]  ? __fget_files+0x20e/0x3c0
[   95.177863][ T6600]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   95.177888][ T6600]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   95.177918][ T6600]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   95.177946][ T6600]  drm_ioctl_kernel+0x1f4/0x3e0
[   95.177961][ T6600]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   95.177987][ T6600]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   95.178014][ T6600]  drm_ioctl+0x5c9/0xc30
[   95.178037][ T6600]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   95.178065][ T6600]  ? __pfx_drm_ioctl+0x10/0x10
[   95.178091][ T6600]  ? selinux_file_ioctl+0x180/0x270
[   95.178116][ T6600]  ? selinux_file_ioctl+0xb4/0x270
[   95.178142][ T6600]  ? __pfx_drm_ioctl+0x10/0x10
[   95.178162][ T6600]  __x64_sys_ioctl+0x18e/0x210
[   95.178186][ T6600]  do_syscall_64+0xcd/0xfa0
[   95.178205][ T6600]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   95.178221][ T6600] RIP: 0033:0x7f682638ec29
[   95.178236][ T6600] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   95.178253][ T6600] RSP: 002b:00007f68271d2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   95.178271][ T6600] RAX: ffffffffffffffda RBX: 00007f68265d5fa0 RCX: 00007f682638ec29
[   95.178283][ T6600] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   95.178295][ T6600] RBP: 00007f68271d2090 R08: 0000000000000000 R09: 0000000000000000
[   95.178306][ T6600] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   95.178317][ T6600] R13: 00007f68265d6038 R14: 00007f68265d5fa0 R15: 00007fff2221d458
[   95.178342][ T6600]  </TASK>
[   95.372443][ T6602] FAULT_INJECTION: forcing a failure.
[   95.372443][ T6602] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   95.377385][ T6602] CPU: 3 UID: 0 PID: 6602 Comm: syz.3.51 Not tainted syzkaller #0 PREEMPT(full) 
[   95.377401][ T6602] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   95.377408][ T6602] Call Trace:
[   95.377413][ T6602]  <TASK>
[   95.377418][ T6602]  dump_stack_lvl+0x16c/0x1f0
[   95.377440][ T6602]  should_fail_ex+0x512/0x640
[   95.377456][ T6602]  should_fail_alloc_page+0xe7/0x130
[   95.377476][ T6602]  prepare_alloc_pages+0x3c2/0x610
[   95.377492][ T6602]  ? rcu_is_watching+0x12/0xc0
[   95.377505][ T6602]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   95.377527][ T6602]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   95.377541][ T6602]  ? is_bpf_text_address+0x8a/0x1a0
[   95.377552][ T6602]  ? bpf_ksym_find+0x127/0x1c0
[   95.377567][ T6602]  ? find_held_lock+0x2b/0x80
[   95.377579][ T6602]  ? rcu_read_unlock+0x17/0x60
[   95.377603][ T6602]  __folio_alloc_noprof+0x11/0x220
[   95.377616][ T6602]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   95.377629][ T6602]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   95.377640][ T6602]  ? find_held_lock+0x2b/0x80
[   95.377650][ T6602]  ? stack_depot_save_flags+0x29/0x9c0
[   95.377664][ T6602]  ? is_bpf_text_address+0x8a/0x1a0
[   95.377675][ T6602]  pfn_to_dma_pte+0x33e/0x6a0
[   95.377690][ T6602]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   95.377699][ T6602]  ? dma_buf_map_attachment+0x161/0x5f0
[   95.377716][ T6602]  ? drm_gem_prime_import_dev+0x166/0x440
[   95.377730][ T6602]  ? virtgpu_gem_prime_import+0x16c/0x800
[   95.377744][ T6602]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   95.377758][ T6602]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   95.377772][ T6602]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   95.377783][ T6602]  ? drm_ioctl+0x5c9/0xc30
[   95.377795][ T6602]  intel_iommu_map_pages+0x8af/0x1520
[   95.377815][ T6602]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   95.377828][ T6602]  ? iommu_pgsize+0x294/0x300
[   95.377844][ T6602]  iommu_map_nosync+0x33a/0x700
[   95.377864][ T6602]  ? __pfx_iommu_map_nosync+0x10/0x10
[   95.377880][ T6602]  ? lock_acquire+0x179/0x350
[   95.377895][ T6602]  ? find_held_lock+0x2b/0x80
[   95.377905][ T6602]  ? iommu_map_sg+0x5ee/0x9d0
[   95.377916][ T6602]  iommu_map_sg+0x1c1/0x9d0
[   95.377930][ T6602]  iommu_dma_map_sg+0x92d/0xe90
[   95.377950][ T6602]  __dma_map_sg_attrs+0x293/0x590
[   95.377963][ T6602]  dma_map_sgtable+0x78/0x100
[   95.377975][ T6602]  system_heap_map_dma_buf+0x66/0xf0
[   95.377992][ T6602]  dma_buf_map_attachment+0x161/0x5f0
[   95.378010][ T6602]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   95.378026][ T6602]  drm_gem_prime_import_dev+0x166/0x440
[   95.378042][ T6602]  virtgpu_gem_prime_import+0x16c/0x800
[   95.378057][ T6602]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   95.378071][ T6602]  ? __pfx___mutex_lock+0x10/0x10
[   95.378081][ T6602]  ? find_held_lock+0x2b/0x80
[   95.378091][ T6602]  ? __fget_files+0x204/0x3c0
[   95.378108][ T6602]  ? __fget_files+0x20e/0x3c0
[   95.378123][ T6602]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   95.378138][ T6602]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   95.378155][ T6602]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   95.378171][ T6602]  drm_ioctl_kernel+0x1f4/0x3e0
[   95.378182][ T6602]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   95.378198][ T6602]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   95.378213][ T6602]  drm_ioctl+0x5c9/0xc30
[   95.378226][ T6602]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   95.378242][ T6602]  ? __pfx_drm_ioctl+0x10/0x10
[   95.378262][ T6602]  ? selinux_file_ioctl+0x180/0x270
[   95.378278][ T6602]  ? selinux_file_ioctl+0xb4/0x270
[   95.378293][ T6602]  ? __pfx_drm_ioctl+0x10/0x10
[   95.378305][ T6602]  __x64_sys_ioctl+0x18e/0x210
[   95.378318][ T6602]  do_syscall_64+0xcd/0xfa0
[   95.378330][ T6602]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   95.378341][ T6602] RIP: 0033:0x7f800df8ec29
[   95.378351][ T6602] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   95.378362][ T6602] RSP: 002b:00007f800edc6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   95.378373][ T6602] RAX: ffffffffffffffda RBX: 00007f800e1d5fa0 RCX: 00007f800df8ec29
[   95.378380][ T6602] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   95.378387][ T6602] RBP: 00007f800edc6090 R08: 0000000000000000 R09: 0000000000000000
[   95.378393][ T6602] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   95.378399][ T6602] R13: 00007f800e1d6038 R14: 00007f800e1d5fa0 R15: 00007ffd5d624458
[   95.378413][ T6602]  </TASK>
[   95.378705][ T6604] FAULT_INJECTION: forcing a failure.
[   95.378705][ T6604] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   95.402879][ T6606] FAULT_INJECTION: forcing a failure.
[   95.402879][ T6606] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   95.406228][ T6604] CPU: 3 UID: 0 PID: 6604 Comm: syz.0.52 Not tainted syzkaller #0 PREEMPT(full) 
[   95.406243][ T6604] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   95.406250][ T6604] Call Trace:
[   95.406253][ T6604]  <TASK>
[   95.406257][ T6604]  dump_stack_lvl+0x16c/0x1f0
[   95.406278][ T6604]  should_fail_ex+0x512/0x640
[   95.406293][ T6604]  _copy_from_user+0x2e/0xd0
[   95.406308][ T6604]  kstrtouint_from_user+0xd6/0x1d0
[   95.406319][ T6604]  ? __pfx_kstrtouint_from_user+0x10/0x10
[   95.406329][ T6604]  ? __lock_acquire+0xb8a/0x1c90
[   95.406348][ T6604]  proc_fail_nth_write+0x83/0x220
[   95.406364][ T6604]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   95.406382][ T6604]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   95.406396][ T6604]  vfs_write+0x2a0/0x11d0
[   95.406412][ T6604]  ? __pfx___mutex_lock+0x10/0x10
[   95.406423][ T6604]  ? __pfx_vfs_write+0x10/0x10
[   95.406439][ T6604]  ? __fget_files+0x20e/0x3c0
[   95.406456][ T6604]  ksys_write+0x12a/0x250
[   95.406469][ T6604]  ? __pfx_ksys_write+0x10/0x10
[   95.406482][ T6604]  ? __secure_computing+0x28e/0x3b0
[   95.406498][ T6604]  do_syscall_64+0xcd/0xfa0
[   95.406510][ T6604]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   95.406521][ T6604] RIP: 0033:0x7f40d218d6df
[   95.406530][ T6604] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[   95.406540][ T6604] RSP: 002b:00007f40d2f79030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[   95.406550][ T6604] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f40d218d6df
[   95.406556][ T6604] RDX: 0000000000000001 RSI: 00007f40d2f790a0 RDI: 0000000000000006
[   95.406562][ T6604] RBP: 00007f40d2f79090 R08: 0000000000000000 R09: 0000000000000000
[   95.406568][ T6604] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
[   95.406574][ T6604] R13: 00007f40d23d6038 R14: 00007f40d23d5fa0 R15: 00007ffdb3ff7518
[   95.406587][ T6604]  </TASK>
[   95.662274][ T6606] CPU: 0 UID: 0 PID: 6606 Comm: syz.2.53 Not tainted syzkaller #0 PREEMPT(full) 
[   95.662300][ T6606] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   95.662311][ T6606] Call Trace:
[   95.662320][ T6606]  <TASK>
[   95.662328][ T6606]  dump_stack_lvl+0x16c/0x1f0
[   95.662363][ T6606]  should_fail_ex+0x512/0x640
[   95.662391][ T6606]  should_fail_alloc_page+0xe7/0x130
[   95.662420][ T6606]  prepare_alloc_pages+0x3c2/0x610
[   95.662447][ T6606]  ? rcu_is_watching+0x12/0xc0
[   95.662468][ T6606]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   95.662506][ T6606]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   95.662530][ T6606]  ? is_bpf_text_address+0x8a/0x1a0
[   95.662548][ T6606]  ? bpf_ksym_find+0x127/0x1c0
[   95.662574][ T6606]  ? find_held_lock+0x2b/0x80
[   95.662592][ T6606]  ? rcu_read_unlock+0x17/0x60
[   95.662625][ T6606]  __folio_alloc_noprof+0x11/0x220
[   95.662646][ T6606]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   95.662666][ T6606]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   95.662685][ T6606]  ? find_held_lock+0x2b/0x80
[   95.662701][ T6606]  ? stack_depot_save_flags+0x29/0x9c0
[   95.662724][ T6606]  ? is_bpf_text_address+0x8a/0x1a0
[   95.662744][ T6606]  pfn_to_dma_pte+0x33e/0x6a0
[   95.662768][ T6606]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   95.662785][ T6606]  ? dma_buf_map_attachment+0x161/0x5f0
[   95.662811][ T6606]  ? drm_gem_prime_import_dev+0x166/0x440
[   95.662835][ T6606]  ? virtgpu_gem_prime_import+0x16c/0x800
[   95.662866][ T6606]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   95.662891][ T6606]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   95.662916][ T6606]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   95.662936][ T6606]  ? drm_ioctl+0x5c9/0xc30
[   95.662958][ T6606]  intel_iommu_map_pages+0x8af/0x1520
[   95.662999][ T6606]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   95.663024][ T6606]  ? iommu_pgsize+0x294/0x300
[   95.663071][ T6606]  iommu_map_nosync+0x33a/0x700
[   95.663112][ T6606]  ? __pfx_iommu_map_nosync+0x10/0x10
[   95.663141][ T6606]  ? lock_acquire+0x179/0x350
[   95.663167][ T6606]  ? find_held_lock+0x2b/0x80
[   95.663187][ T6606]  ? iommu_map_sg+0x5ee/0x9d0
[   95.663209][ T6606]  iommu_map_sg+0x1c1/0x9d0
[   95.663236][ T6606]  iommu_dma_map_sg+0x92d/0xe90
[   95.663277][ T6606]  __dma_map_sg_attrs+0x293/0x590
[   95.663300][ T6606]  dma_map_sgtable+0x78/0x100
[   95.663320][ T6606]  system_heap_map_dma_buf+0x66/0xf0
[   95.663352][ T6606]  dma_buf_map_attachment+0x161/0x5f0
[   95.663382][ T6606]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   95.663412][ T6606]  drm_gem_prime_import_dev+0x166/0x440
[   95.663438][ T6606]  virtgpu_gem_prime_import+0x16c/0x800
[   95.663464][ T6606]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   95.663488][ T6606]  ? __pfx___mutex_lock+0x10/0x10
[   95.663506][ T6606]  ? find_held_lock+0x2b/0x80
[   95.663525][ T6606]  ? __fget_files+0x204/0x3c0
[   95.663555][ T6606]  ? __fget_files+0x20e/0x3c0
[   95.663583][ T6606]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   95.663610][ T6606]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   95.663642][ T6606]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   95.663671][ T6606]  drm_ioctl_kernel+0x1f4/0x3e0
[   95.663715][ T6606]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   95.663744][ T6606]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   95.663773][ T6606]  drm_ioctl+0x5c9/0xc30
[   95.663796][ T6606]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   95.663825][ T6606]  ? __pfx_drm_ioctl+0x10/0x10
[   95.663865][ T6606]  ? selinux_file_ioctl+0x180/0x270
[   95.663894][ T6606]  ? selinux_file_ioctl+0xb4/0x270
[   95.663925][ T6606]  ? __pfx_drm_ioctl+0x10/0x10
[   95.663948][ T6606]  __x64_sys_ioctl+0x18e/0x210
[   95.663975][ T6606]  do_syscall_64+0xcd/0xfa0
[   95.663998][ T6606]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   95.664019][ T6606] RIP: 0033:0x7f906258ec29
[   95.664038][ T6606] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   95.664057][ T6606] RSP: 002b:00007f9063337038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   95.664078][ T6606] RAX: ffffffffffffffda RBX: 00007f90627d5fa0 RCX: 00007f906258ec29
[   95.664092][ T6606] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   95.664104][ T6606] RBP: 00007f9063337090 R08: 0000000000000000 R09: 0000000000000000
[   95.664115][ T6606] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   95.664127][ T6606] R13: 00007f90627d6038 R14: 00007f90627d5fa0 R15: 00007ffcba9d5f38
[   95.664157][ T6606]  </TASK>
[   95.665399][ T6609] FAULT_INJECTION: forcing a failure.
[   95.665399][ T6609] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   95.863707][ T6609] CPU: 2 UID: 0 PID: 6609 Comm: syz.3.55 Not tainted syzkaller #0 PREEMPT(full) 
[   95.863734][ T6609] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   95.863746][ T6609] Call Trace:
[   95.863755][ T6609]  <TASK>
[   95.863761][ T6609]  dump_stack_lvl+0x16c/0x1f0
[   95.863803][ T6609]  should_fail_ex+0x512/0x640
[   95.863823][ T6609]  should_fail_alloc_page+0xe7/0x130
[   95.863843][ T6609]  prepare_alloc_pages+0x3c2/0x610
[   95.863861][ T6609]  ? rcu_is_watching+0x12/0xc0
[   95.863876][ T6609]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   95.863903][ T6609]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   95.863920][ T6609]  ? is_bpf_text_address+0x8a/0x1a0
[   95.863932][ T6609]  ? bpf_ksym_find+0x127/0x1c0
[   95.863950][ T6609]  ? find_held_lock+0x2b/0x80
[   95.863961][ T6609]  ? rcu_read_unlock+0x17/0x60
[   95.863982][ T6609]  __folio_alloc_noprof+0x11/0x220
[   95.863995][ T6609]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   95.864013][ T6609]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   95.864031][ T6609]  ? find_held_lock+0x2b/0x80
[   95.864041][ T6609]  ? stack_depot_save_flags+0x29/0x9c0
[   95.864055][ T6609]  ? is_bpf_text_address+0x8a/0x1a0
[   95.864071][ T6609]  pfn_to_dma_pte+0x33e/0x6a0
[   95.864093][ T6609]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   95.864108][ T6609]  ? dma_buf_map_attachment+0x161/0x5f0
[   95.864130][ T6609]  ? drm_gem_prime_import_dev+0x166/0x440
[   95.864144][ T6609]  ? virtgpu_gem_prime_import+0x16c/0x800
[   95.864159][ T6609]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   95.864173][ T6609]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   95.864187][ T6609]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   95.864198][ T6609]  ? drm_ioctl+0x5c9/0xc30
[   95.864210][ T6609]  intel_iommu_map_pages+0x8af/0x1520
[   95.864230][ T6609]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   95.864244][ T6609]  ? iommu_pgsize+0x294/0x300
[   95.864260][ T6609]  iommu_map_nosync+0x33a/0x700
[   95.864281][ T6609]  ? __pfx_iommu_map_nosync+0x10/0x10
[   95.864297][ T6609]  ? lock_acquire+0x179/0x350
[   95.864312][ T6609]  ? find_held_lock+0x2b/0x80
[   95.864323][ T6609]  ? iommu_map_sg+0x5ee/0x9d0
[   95.864341][ T6609]  iommu_map_sg+0x1c1/0x9d0
[   95.864356][ T6609]  iommu_dma_map_sg+0x92d/0xe90
[   95.864377][ T6609]  __dma_map_sg_attrs+0x293/0x590
[   95.864390][ T6609]  dma_map_sgtable+0x78/0x100
[   95.864402][ T6609]  system_heap_map_dma_buf+0x66/0xf0
[   95.864420][ T6609]  dma_buf_map_attachment+0x161/0x5f0
[   95.864439][ T6609]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   95.864466][ T6609]  drm_gem_prime_import_dev+0x166/0x440
[   95.864490][ T6609]  virtgpu_gem_prime_import+0x16c/0x800
[   95.864512][ T6609]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   95.864535][ T6609]  ? __pfx___mutex_lock+0x10/0x10
[   95.864553][ T6609]  ? find_held_lock+0x2b/0x80
[   95.864570][ T6609]  ? __fget_files+0x204/0x3c0
[   95.864592][ T6609]  ? __fget_files+0x20e/0x3c0
[   95.864607][ T6609]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   95.864623][ T6609]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   95.864646][ T6609]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   95.864663][ T6609]  drm_ioctl_kernel+0x1f4/0x3e0
[   95.864674][ T6609]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   95.864690][ T6609]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   95.864706][ T6609]  drm_ioctl+0x5c9/0xc30
[   95.864719][ T6609]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   95.864735][ T6609]  ? __pfx_drm_ioctl+0x10/0x10
[   95.864752][ T6609]  ? selinux_file_ioctl+0x180/0x270
[   95.864782][ T6609]  ? selinux_file_ioctl+0xb4/0x270
[   95.864798][ T6609]  ? __pfx_drm_ioctl+0x10/0x10
[   95.864809][ T6609]  __x64_sys_ioctl+0x18e/0x210
[   95.864823][ T6609]  do_syscall_64+0xcd/0xfa0
[   95.864835][ T6609]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   95.864847][ T6609] RIP: 0033:0x7f800df8ec29
[   95.864871][ T6609] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   95.864886][ T6609] RSP: 002b:00007f800edc6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   95.864897][ T6609] RAX: ffffffffffffffda RBX: 00007f800e1d5fa0 RCX: 00007f800df8ec29
[   95.864904][ T6609] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   95.864911][ T6609] RBP: 00007f800edc6090 R08: 0000000000000000 R09: 0000000000000000
[   95.864917][ T6609] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   95.864924][ T6609] R13: 00007f800e1d6038 R14: 00007f800e1d5fa0 R15: 00007ffd5d624458
[   95.864939][ T6609]  </TASK>
[   95.866971][ T6610] FAULT_INJECTION: forcing a failure.
[   95.866971][ T6610] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   96.035722][ T6610] CPU: 2 UID: 0 PID: 6610 Comm: syz.1.54 Not tainted syzkaller #0 PREEMPT(full) 
[   96.035744][ T6610] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   96.035754][ T6610] Call Trace:
[   96.035762][ T6610]  <TASK>
[   96.035769][ T6610]  dump_stack_lvl+0x16c/0x1f0
[   96.035800][ T6610]  should_fail_ex+0x512/0x640
[   96.035823][ T6610]  should_fail_alloc_page+0xe7/0x130
[   96.035848][ T6610]  prepare_alloc_pages+0x3c2/0x610
[   96.035870][ T6610]  ? rcu_is_watching+0x12/0xc0
[   96.035896][ T6610]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   96.035930][ T6610]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   96.035952][ T6610]  ? is_bpf_text_address+0x8a/0x1a0
[   96.035967][ T6610]  ? bpf_ksym_find+0x127/0x1c0
[   96.035991][ T6610]  ? find_held_lock+0x2b/0x80
[   96.036007][ T6610]  ? rcu_read_unlock+0x17/0x60
[   96.036036][ T6610]  __folio_alloc_noprof+0x11/0x220
[   96.036054][ T6610]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   96.036071][ T6610]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   96.036086][ T6610]  ? find_held_lock+0x2b/0x80
[   96.036100][ T6610]  ? stack_depot_save_flags+0x29/0x9c0
[   96.036119][ T6610]  ? is_bpf_text_address+0x8a/0x1a0
[   96.036136][ T6610]  pfn_to_dma_pte+0x33e/0x6a0
[   96.036157][ T6610]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   96.036170][ T6610]  ? dma_buf_map_attachment+0x161/0x5f0
[   96.036193][ T6610]  ? drm_gem_prime_import_dev+0x166/0x440
[   96.036212][ T6610]  ? virtgpu_gem_prime_import+0x16c/0x800
[   96.036230][ T6610]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   96.036249][ T6610]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   96.036268][ T6610]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   96.036306][ T6610]  ? drm_ioctl+0x5c9/0xc30
[   96.036325][ T6610]  intel_iommu_map_pages+0x8af/0x1520
[   96.036359][ T6610]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   96.036377][ T6610]  ? iommu_pgsize+0x294/0x300
[   96.036400][ T6610]  iommu_map_nosync+0x33a/0x700
[   96.036430][ T6610]  ? __pfx_iommu_map_nosync+0x10/0x10
[   96.036505][ T6610]  ? lock_acquire+0x179/0x350
[   96.036526][ T6610]  ? find_held_lock+0x2b/0x80
[   96.036541][ T6610]  ? iommu_map_sg+0x5ee/0x9d0
[   96.036558][ T6610]  iommu_map_sg+0x1c1/0x9d0
[   96.036580][ T6610]  iommu_dma_map_sg+0x92d/0xe90
[   96.036613][ T6610]  __dma_map_sg_attrs+0x293/0x590
[   96.036632][ T6610]  dma_map_sgtable+0x78/0x100
[   96.036648][ T6610]  system_heap_map_dma_buf+0x66/0xf0
[   96.036673][ T6610]  dma_buf_map_attachment+0x161/0x5f0
[   96.036698][ T6610]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   96.036722][ T6610]  drm_gem_prime_import_dev+0x166/0x440
[   96.036745][ T6610]  virtgpu_gem_prime_import+0x16c/0x800
[   96.036766][ T6610]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   96.036785][ T6610]  ? __pfx___mutex_lock+0x10/0x10
[   96.036800][ T6610]  ? find_held_lock+0x2b/0x80
[   96.036814][ T6610]  ? __fget_files+0x204/0x3c0
[   96.036839][ T6610]  ? __fget_files+0x20e/0x3c0
[   96.036860][ T6610]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   96.036881][ T6610]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   96.036919][ T6610]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   96.036946][ T6610]  drm_ioctl_kernel+0x1f4/0x3e0
[   96.036963][ T6610]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   96.036989][ T6610]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   96.037017][ T6610]  drm_ioctl+0x5c9/0xc30
[   96.037039][ T6610]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   96.037066][ T6610]  ? __pfx_drm_ioctl+0x10/0x10
[   96.037098][ T6610]  ? selinux_file_ioctl+0x180/0x270
[   96.037122][ T6610]  ? selinux_file_ioctl+0xb4/0x270
[   96.037147][ T6610]  ? __pfx_drm_ioctl+0x10/0x10
[   96.037167][ T6610]  __x64_sys_ioctl+0x18e/0x210
[   96.037190][ T6610]  do_syscall_64+0xcd/0xfa0
[   96.037210][ T6610]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   96.037231][ T6610] RIP: 0033:0x7f682638ec29
[   96.037247][ T6610] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   96.037264][ T6610] RSP: 002b:00007f68271d2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   96.037282][ T6610] RAX: ffffffffffffffda RBX: 00007f68265d5fa0 RCX: 00007f682638ec29
[   96.037294][ T6610] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   96.037306][ T6610] RBP: 00007f68271d2090 R08: 0000000000000000 R09: 0000000000000000
[   96.037316][ T6610] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   96.037327][ T6610] R13: 00007f68265d6038 R14: 00007f68265d5fa0 R15: 00007fff2221d458
[   96.037355][ T6610]  </TASK>
[   96.038238][ T6612] FAULT_INJECTION: forcing a failure.
[   96.038238][ T6612] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   96.039139][ T6614] FAULT_INJECTION: forcing a failure.
[   96.039139][ T6614] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   96.043652][ T6612] CPU: 0 UID: 0 PID: 6612 Comm: syz.0.56 Not tainted syzkaller #0 PREEMPT(full) 
[   96.043666][ T6612] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   96.043673][ T6612] Call Trace:
[   96.043713][ T6612]  <TASK>
[   96.043720][ T6612]  dump_stack_lvl+0x16c/0x1f0
[   96.043744][ T6612]  should_fail_ex+0x512/0x640
[   96.043759][ T6612]  _copy_from_user+0x2e/0xd0
[   96.043774][ T6612]  kstrtouint_from_user+0xd6/0x1d0
[   96.043784][ T6612]  ? __pfx_kstrtouint_from_user+0x10/0x10
[   96.043795][ T6612]  ? __lock_acquire+0xb8a/0x1c90
[   96.043813][ T6612]  proc_fail_nth_write+0x83/0x220
[   96.043829][ T6612]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   96.043847][ T6612]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   96.043863][ T6612]  vfs_write+0x2a0/0x11d0
[   96.043878][ T6612]  ? __pfx___mutex_lock+0x10/0x10
[   96.043890][ T6612]  ? __pfx_vfs_write+0x10/0x10
[   96.043906][ T6612]  ? __fget_files+0x20e/0x3c0
[   96.043924][ T6612]  ksys_write+0x12a/0x250
[   96.043936][ T6612]  ? __pfx_ksys_write+0x10/0x10
[   96.043949][ T6612]  ? __secure_computing+0x28e/0x3b0
[   96.043965][ T6612]  do_syscall_64+0xcd/0xfa0
[   96.043976][ T6612]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   96.043987][ T6612] RIP: 0033:0x7f40d218d6df
[   96.043996][ T6612] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[   96.044006][ T6612] RSP: 002b:00007f40d2f79030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[   96.044017][ T6612] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f40d218d6df
[   96.044023][ T6612] RDX: 0000000000000001 RSI: 00007f40d2f790a0 RDI: 0000000000000006
[   96.044029][ T6612] RBP: 00007f40d2f79090 R08: 0000000000000000 R09: 0000000000000000
[   96.044035][ T6612] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
[   96.044041][ T6612] R13: 00007f40d23d6038 R14: 00007f40d23d5fa0 R15: 00007ffdb3ff7518
[   96.044055][ T6612]  </TASK>
[   96.289035][ T6614] CPU: 2 UID: 0 PID: 6614 Comm: syz.2.57 Not tainted syzkaller #0 PREEMPT(full) 
[   96.289058][ T6614] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   96.289068][ T6614] Call Trace:
[   96.289073][ T6614]  <TASK>
[   96.289080][ T6614]  dump_stack_lvl+0x16c/0x1f0
[   96.289109][ T6614]  should_fail_ex+0x512/0x640
[   96.289133][ T6614]  should_fail_alloc_page+0xe7/0x130
[   96.289158][ T6614]  prepare_alloc_pages+0x3c2/0x610
[   96.289181][ T6614]  ? rcu_is_watching+0x12/0xc0
[   96.289200][ T6614]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   96.289233][ T6614]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   96.289255][ T6614]  ? is_bpf_text_address+0x8a/0x1a0
[   96.289270][ T6614]  ? bpf_ksym_find+0x127/0x1c0
[   96.289293][ T6614]  ? find_held_lock+0x2b/0x80
[   96.289308][ T6614]  ? rcu_read_unlock+0x17/0x60
[   96.289337][ T6614]  __folio_alloc_noprof+0x11/0x220
[   96.289356][ T6614]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   96.289373][ T6614]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   96.289389][ T6614]  ? find_held_lock+0x2b/0x80
[   96.289403][ T6614]  ? stack_depot_save_flags+0x29/0x9c0
[   96.289423][ T6614]  ? is_bpf_text_address+0x8a/0x1a0
[   96.289440][ T6614]  pfn_to_dma_pte+0x33e/0x6a0
[   96.289461][ T6614]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   96.289475][ T6614]  ? dma_buf_map_attachment+0x161/0x5f0
[   96.289497][ T6614]  ? drm_gem_prime_import_dev+0x166/0x440
[   96.289518][ T6614]  ? virtgpu_gem_prime_import+0x16c/0x800
[   96.289537][ T6614]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   96.289556][ T6614]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   96.289576][ T6614]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   96.289591][ T6614]  ? drm_ioctl+0x5c9/0xc30
[   96.289609][ T6614]  intel_iommu_map_pages+0x8af/0x1520
[   96.289642][ T6614]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   96.289670][ T6614]  ? iommu_pgsize+0x294/0x300
[   96.289695][ T6614]  iommu_map_nosync+0x33a/0x700
[   96.289726][ T6614]  ? __pfx_iommu_map_nosync+0x10/0x10
[   96.289749][ T6614]  ? lock_acquire+0x179/0x350
[   96.289769][ T6614]  ? find_held_lock+0x2b/0x80
[   96.289786][ T6614]  ? iommu_map_sg+0x5ee/0x9d0
[   96.289803][ T6614]  iommu_map_sg+0x1c1/0x9d0
[   96.289825][ T6614]  iommu_dma_map_sg+0x92d/0xe90
[   96.289858][ T6614]  __dma_map_sg_attrs+0x293/0x590
[   96.289877][ T6614]  dma_map_sgtable+0x78/0x100
[   96.289893][ T6614]  system_heap_map_dma_buf+0x66/0xf0
[   96.289919][ T6614]  dma_buf_map_attachment+0x161/0x5f0
[   96.289945][ T6614]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   96.289989][ T6614]  drm_gem_prime_import_dev+0x166/0x440
[   96.290013][ T6614]  virtgpu_gem_prime_import+0x16c/0x800
[   96.290035][ T6614]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   96.290055][ T6614]  ? __pfx___mutex_lock+0x10/0x10
[   96.290071][ T6614]  ? find_held_lock+0x2b/0x80
[   96.290086][ T6614]  ? __fget_files+0x204/0x3c0
[   96.290110][ T6614]  ? __fget_files+0x20e/0x3c0
[   96.290131][ T6614]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   96.290152][ T6614]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   96.290177][ T6614]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   96.290199][ T6614]  drm_ioctl_kernel+0x1f4/0x3e0
[   96.290216][ T6614]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   96.290239][ T6614]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   96.290262][ T6614]  drm_ioctl+0x5c9/0xc30
[   96.290282][ T6614]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   96.290305][ T6614]  ? __pfx_drm_ioctl+0x10/0x10
[   96.290330][ T6614]  ? selinux_file_ioctl+0x180/0x270
[   96.290350][ T6614]  ? selinux_file_ioctl+0xb4/0x270
[   96.290372][ T6614]  ? __pfx_drm_ioctl+0x10/0x10
[   96.290388][ T6614]  __x64_sys_ioctl+0x18e/0x210
[   96.290407][ T6614]  do_syscall_64+0xcd/0xfa0
[   96.290424][ T6614]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   96.290440][ T6614] RIP: 0033:0x7f906258ec29
[   96.290453][ T6614] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   96.290468][ T6614] RSP: 002b:00007f9063337038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   96.290487][ T6614] RAX: ffffffffffffffda RBX: 00007f90627d5fa0 RCX: 00007f906258ec29
[   96.290497][ T6614] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   96.290506][ T6614] RBP: 00007f9063337090 R08: 0000000000000000 R09: 0000000000000000
[   96.290515][ T6614] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   96.290524][ T6614] R13: 00007f90627d6038 R14: 00007f90627d5fa0 R15: 00007ffcba9d5f38
[   96.290547][ T6614]  </TASK>
[   96.291761][ T6617] FAULT_INJECTION: forcing a failure.
[   96.291761][ T6617] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   96.292063][ T6619] FAULT_INJECTION: forcing a failure.
[   96.292063][ T6619] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   96.295413][ T6617] CPU: 2 UID: 0 PID: 6617 Comm: syz.3.58 Not tainted syzkaller #0 PREEMPT(full) 
[   96.295440][ T6617] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   96.295453][ T6617] Call Trace:
[   96.295462][ T6617]  <TASK>
[   96.295470][ T6617]  dump_stack_lvl+0x16c/0x1f0
[   96.295510][ T6617]  should_fail_ex+0x512/0x640
[   96.295542][ T6617]  _copy_to_user+0x32/0xd0
[   96.295574][ T6617]  simple_read_from_buffer+0xcb/0x170
[   96.295604][ T6617]  proc_fail_nth_read+0x197/0x240
[   96.295637][ T6617]  ? __pfx_proc_fail_nth_read+0x10/0x10
[   96.295706][ T6617]  ? rw_verify_area+0xcf/0x6c0
[   96.295737][ T6617]  ? __pfx_proc_fail_nth_read+0x10/0x10
[   96.295773][ T6617]  vfs_read+0x1e4/0xcf0
[   96.295804][ T6617]  ? __pfx___mutex_lock+0x10/0x10
[   96.295826][ T6617]  ? __pfx_vfs_read+0x10/0x10
[   96.295862][ T6617]  ? __fget_files+0x20e/0x3c0
[   96.295900][ T6617]  ksys_read+0x12a/0x250
[   96.295925][ T6617]  ? __pfx_ksys_read+0x10/0x10
[   96.295953][ T6617]  ? __secure_computing+0x28e/0x3b0
[   96.295987][ T6617]  do_syscall_64+0xcd/0xfa0
[   96.296010][ T6617]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   96.296032][ T6617] RIP: 0033:0x7f800df8d63c
[   96.296049][ T6617] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[   96.296069][ T6617] RSP: 002b:00007f800edc6030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[   96.296089][ T6617] RAX: ffffffffffffffda RBX: 00007f800e1d5fa0 RCX: 00007f800df8d63c
[   96.296103][ T6617] RDX: 000000000000000f RSI: 00007f800edc60a0 RDI: 0000000000000006
[   96.296115][ T6617] RBP: 00007f800edc6090 R08: 0000000000000000 R09: 0000000000000000
[   96.296128][ T6617] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   96.296141][ T6617] R13: 00007f800e1d6038 R14: 00007f800e1d5fa0 R15: 00007ffd5d624458
[   96.296172][ T6617]  </TASK>
[   96.548107][ T6619] CPU: 1 UID: 0 PID: 6619 Comm: syz.1.59 Not tainted syzkaller #0 PREEMPT(full) 
[   96.548147][ T6619] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   96.548156][ T6619] Call Trace:
[   96.548163][ T6619]  <TASK>
[   96.548169][ T6619]  dump_stack_lvl+0x16c/0x1f0
[   96.548197][ T6619]  should_fail_ex+0x512/0x640
[   96.548221][ T6619]  should_fail_alloc_page+0xe7/0x130
[   96.548245][ T6619]  prepare_alloc_pages+0x3c2/0x610
[   96.548268][ T6619]  ? rcu_is_watching+0x12/0xc0
[   96.548286][ T6619]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   96.548319][ T6619]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   96.548340][ T6619]  ? is_bpf_text_address+0x8a/0x1a0
[   96.548369][ T6619]  ? bpf_ksym_find+0x127/0x1c0
[   96.548393][ T6619]  ? find_held_lock+0x2b/0x80
[   96.548410][ T6619]  ? rcu_read_unlock+0x17/0x60
[   96.548437][ T6619]  __folio_alloc_noprof+0x11/0x220
[   96.548463][ T6619]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   96.548480][ T6619]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   96.548496][ T6619]  ? find_held_lock+0x2b/0x80
[   96.548509][ T6619]  ? stack_depot_save_flags+0x29/0x9c0
[   96.548528][ T6619]  ? is_bpf_text_address+0x8a/0x1a0
[   96.548545][ T6619]  pfn_to_dma_pte+0x33e/0x6a0
[   96.548566][ T6619]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   96.548580][ T6619]  ? dma_buf_map_attachment+0x161/0x5f0
[   96.548608][ T6619]  ? drm_gem_prime_import_dev+0x166/0x440
[   96.548628][ T6619]  ? virtgpu_gem_prime_import+0x16c/0x800
[   96.548647][ T6619]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   96.548666][ T6619]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   96.548686][ T6619]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   96.548700][ T6619]  ? drm_ioctl+0x5c9/0xc30
[   96.548718][ T6619]  intel_iommu_map_pages+0x8af/0x1520
[   96.548748][ T6619]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   96.548767][ T6619]  ? iommu_pgsize+0x294/0x300
[   96.548790][ T6619]  iommu_map_nosync+0x33a/0x700
[   96.548841][ T6619]  ? __pfx_iommu_map_nosync+0x10/0x10
[   96.548863][ T6619]  ? lock_acquire+0x179/0x350
[   96.548883][ T6619]  ? find_held_lock+0x2b/0x80
[   96.548898][ T6619]  ? iommu_map_sg+0x5ee/0x9d0
[   96.548915][ T6619]  iommu_map_sg+0x1c1/0x9d0
[   96.548935][ T6619]  iommu_dma_map_sg+0x92d/0xe90
[   96.548966][ T6619]  __dma_map_sg_attrs+0x293/0x590
[   96.548986][ T6619]  dma_map_sgtable+0x78/0x100
[   96.549002][ T6619]  system_heap_map_dma_buf+0x66/0xf0
[   96.549027][ T6619]  dma_buf_map_attachment+0x161/0x5f0
[   96.549052][ T6619]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   96.549076][ T6619]  drm_gem_prime_import_dev+0x166/0x440
[   96.549098][ T6619]  virtgpu_gem_prime_import+0x16c/0x800
[   96.549118][ T6619]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   96.549138][ T6619]  ? __pfx___mutex_lock+0x10/0x10
[   96.549153][ T6619]  ? find_held_lock+0x2b/0x80
[   96.549167][ T6619]  ? __fget_files+0x204/0x3c0
[   96.549191][ T6619]  ? __fget_files+0x20e/0x3c0
[   96.549214][ T6619]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   96.549234][ T6619]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   96.549259][ T6619]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   96.549283][ T6619]  drm_ioctl_kernel+0x1f4/0x3e0
[   96.549298][ T6619]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   96.549321][ T6619]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   96.549344][ T6619]  drm_ioctl+0x5c9/0xc30
[   96.549362][ T6619]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   96.549385][ T6619]  ? __pfx_drm_ioctl+0x10/0x10
[   96.549410][ T6619]  ? selinux_file_ioctl+0x180/0x270
[   96.549432][ T6619]  ? selinux_file_ioctl+0xb4/0x270
[   96.549453][ T6619]  ? __pfx_drm_ioctl+0x10/0x10
[   96.549470][ T6619]  __x64_sys_ioctl+0x18e/0x210
[   96.549489][ T6619]  do_syscall_64+0xcd/0xfa0
[   96.549506][ T6619]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   96.549522][ T6619] RIP: 0033:0x7f682638ec29
[   96.549536][ T6619] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   96.549550][ T6619] RSP: 002b:00007f68271d2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   96.549566][ T6619] RAX: ffffffffffffffda RBX: 00007f68265d5fa0 RCX: 00007f682638ec29
[   96.549576][ T6619] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   96.549592][ T6619] RBP: 00007f68271d2090 R08: 0000000000000000 R09: 0000000000000000
[   96.549601][ T6619] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   96.549610][ T6619] R13: 00007f68265d6038 R14: 00007f68265d5fa0 R15: 00007fff2221d458
[   96.549633][ T6619]  </TASK>
[   96.704320][ T6621] FAULT_INJECTION: forcing a failure.
[   96.704320][ T6621] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   96.704484][ T6625] FAULT_INJECTION: forcing a failure.
[   96.704484][ T6625] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   96.705527][ T6623] FAULT_INJECTION: forcing a failure.
[   96.705527][ T6623] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   96.705556][ T6623] CPU: 2 UID: 0 PID: 6623 Comm: syz.2.61 Not tainted syzkaller #0 PREEMPT(full) 
[   96.705575][ T6623] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   96.705587][ T6623] Call Trace:
[   96.705593][ T6623]  <TASK>
[   96.705600][ T6623]  dump_stack_lvl+0x16c/0x1f0
[   96.705637][ T6623]  should_fail_ex+0x512/0x640
[   96.705664][ T6623]  should_fail_alloc_page+0xe7/0x130
[   96.705693][ T6623]  prepare_alloc_pages+0x3c2/0x610
[   96.705719][ T6623]  ? rcu_is_watching+0x12/0xc0
[   96.705740][ T6623]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   96.705776][ T6623]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   96.705801][ T6623]  ? is_bpf_text_address+0x8a/0x1a0
[   96.705817][ T6623]  ? bpf_ksym_find+0x127/0x1c0
[   96.705841][ T6623]  ? find_held_lock+0x2b/0x80
[   96.705859][ T6623]  ? rcu_read_unlock+0x17/0x60
[   96.705889][ T6623]  __folio_alloc_noprof+0x11/0x220
[   96.705909][ T6623]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   96.705928][ T6623]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   96.705945][ T6623]  ? find_held_lock+0x2b/0x80
[   96.705960][ T6623]  ? stack_depot_save_flags+0x29/0x9c0
[   96.705994][ T6623]  ? is_bpf_text_address+0x8a/0x1a0
[   96.706012][ T6623]  pfn_to_dma_pte+0x33e/0x6a0
[   96.706035][ T6623]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   96.706050][ T6623]  ? dma_buf_map_attachment+0x161/0x5f0
[   96.706076][ T6623]  ? drm_gem_prime_import_dev+0x166/0x440
[   96.706099][ T6623]  ? virtgpu_gem_prime_import+0x16c/0x800
[   96.706127][ T6623]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   96.706149][ T6623]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   96.706171][ T6623]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   96.706187][ T6623]  ? drm_ioctl+0x5c9/0xc30
[   96.706207][ T6623]  intel_iommu_map_pages+0x8af/0x1520
[   96.706242][ T6623]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   96.706264][ T6623]  ? iommu_pgsize+0x294/0x300
[   96.706291][ T6623]  iommu_map_nosync+0x33a/0x700
[   96.706396][ T6623]  ? __pfx_iommu_map_nosync+0x10/0x10
[   96.706420][ T6623]  ? lock_acquire+0x179/0x350
[   96.706443][ T6623]  ? find_held_lock+0x2b/0x80
[   96.706460][ T6623]  ? iommu_map_sg+0x5ee/0x9d0
[   96.706478][ T6623]  iommu_map_sg+0x1c1/0x9d0
[   96.706499][ T6623]  iommu_dma_map_sg+0x92d/0xe90
[   96.706531][ T6623]  __dma_map_sg_attrs+0x293/0x590
[   96.706550][ T6623]  dma_map_sgtable+0x78/0x100
[   96.706564][ T6623]  system_heap_map_dma_buf+0x66/0xf0
[   96.706586][ T6623]  dma_buf_map_attachment+0x161/0x5f0
[   96.706607][ T6623]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   96.706628][ T6623]  drm_gem_prime_import_dev+0x166/0x440
[   96.706649][ T6623]  virtgpu_gem_prime_import+0x16c/0x800
[   96.706667][ T6623]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   96.706684][ T6623]  ? __pfx___mutex_lock+0x10/0x10
[   96.706697][ T6623]  ? find_held_lock+0x2b/0x80
[   96.706709][ T6623]  ? __fget_files+0x204/0x3c0
[   96.706730][ T6623]  ? __fget_files+0x20e/0x3c0
[   96.706749][ T6623]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   96.706767][ T6623]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   96.706789][ T6623]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   96.706809][ T6623]  drm_ioctl_kernel+0x1f4/0x3e0
[   96.706821][ T6623]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   96.706840][ T6623]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   96.706859][ T6623]  drm_ioctl+0x5c9/0xc30
[   96.706875][ T6623]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   96.706900][ T6623]  ? __pfx_drm_ioctl+0x10/0x10
[   96.706921][ T6623]  ? selinux_file_ioctl+0x180/0x270
[   96.706939][ T6623]  ? selinux_file_ioctl+0xb4/0x270
[   96.706958][ T6623]  ? __pfx_drm_ioctl+0x10/0x10
[   96.706975][ T6623]  __x64_sys_ioctl+0x18e/0x210
[   96.706995][ T6623]  do_syscall_64+0xcd/0xfa0
[   96.707014][ T6623]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   96.707031][ T6623] RIP: 0033:0x7f906258ec29
[   96.707046][ T6623] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   96.707062][ T6623] RSP: 002b:00007f9063337038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   96.707080][ T6623] RAX: ffffffffffffffda RBX: 00007f90627d5fa0 RCX: 00007f906258ec29
[   96.707091][ T6623] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   96.707101][ T6623] RBP: 00007f9063337090 R08: 0000000000000000 R09: 0000000000000000
[   96.707111][ T6623] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   96.707121][ T6623] R13: 00007f90627d6038 R14: 00007f90627d5fa0 R15: 00007ffcba9d5f38
[   96.707146][ T6623]  </TASK>
[   96.708414][ T6621] CPU: 1 UID: 0 PID: 6621 Comm: syz.0.60 Not tainted syzkaller #0 PREEMPT(full) 
[   96.708429][ T6621] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   96.708435][ T6621] Call Trace:
[   96.708455][ T6621]  <TASK>
[   96.708459][ T6621]  dump_stack_lvl+0x16c/0x1f0
[   96.708478][ T6621]  should_fail_ex+0x512/0x640
[   96.708494][ T6621]  _copy_from_user+0x2e/0xd0
[   96.708509][ T6621]  kstrtouint_from_user+0xd6/0x1d0
[   96.708520][ T6621]  ? __pfx_kstrtouint_from_user+0x10/0x10
[   96.708530][ T6621]  ? __lock_acquire+0xb8a/0x1c90
[   96.708549][ T6621]  proc_fail_nth_write+0x83/0x220
[   96.708565][ T6621]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   96.708583][ T6621]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   96.708598][ T6621]  vfs_write+0x2a0/0x11d0
[   96.708613][ T6621]  ? __pfx___mutex_lock+0x10/0x10
[   96.708624][ T6621]  ? __pfx_vfs_write+0x10/0x10
[   96.708640][ T6621]  ? __fget_files+0x20e/0x3c0
[   96.708657][ T6621]  ksys_write+0x12a/0x250
[   96.708670][ T6621]  ? __pfx_ksys_write+0x10/0x10
[   96.708683][ T6621]  ? __secure_computing+0x28e/0x3b0
[   96.708699][ T6621]  do_syscall_64+0xcd/0xfa0
[   96.708710][ T6621]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   96.708720][ T6621] RIP: 0033:0x7f40d218d6df
[   96.708729][ T6621] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[   96.708751][ T6621] RSP: 002b:00007f40d2f79030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[   96.708762][ T6621] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f40d218d6df
[   96.708769][ T6621] RDX: 0000000000000001 RSI: 00007f40d2f790a0 RDI: 0000000000000006
[   96.708775][ T6621] RBP: 00007f40d2f79090 R08: 0000000000000000 R09: 0000000000000000
[   96.708781][ T6621] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
[   96.708787][ T6621] R13: 00007f40d23d6038 R14: 00007f40d23d5fa0 R15: 00007ffdb3ff7518
[   96.708801][ T6621]  </TASK>
[   96.735166][ T6627] FAULT_INJECTION: forcing a failure.
[   96.735166][ T6627] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   96.744750][ T6625] CPU: 1 UID: 0 PID: 6625 Comm: syz.3.62 Not tainted syzkaller #0 PREEMPT(full) 
[   96.744776][ T6625] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   96.744786][ T6625] Call Trace:
[   96.744793][ T6625]  <TASK>
[   96.744804][ T6625]  dump_stack_lvl+0x16c/0x1f0
[   96.744836][ T6625]  should_fail_ex+0x512/0x640
[   96.744866][ T6625]  _copy_to_user+0x32/0xd0
[   96.744889][ T6625]  drm_ioctl+0x5eb/0xc30
[   96.744912][ T6625]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   96.744946][ T6625]  ? __pfx_drm_ioctl+0x10/0x10
[   96.744974][ T6625]  ? selinux_file_ioctl+0x180/0x270
[   96.744997][ T6625]  ? selinux_file_ioctl+0xb4/0x270
[   96.745023][ T6625]  ? __pfx_drm_ioctl+0x10/0x10
[   96.745043][ T6625]  __x64_sys_ioctl+0x18e/0x210
[   96.745066][ T6625]  do_syscall_64+0xcd/0xfa0
[   96.745085][ T6625]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   96.745103][ T6625] RIP: 0033:0x7f800df8ec29
[   96.745119][ T6625] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   96.745136][ T6625] RSP: 002b:00007f800edc6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   96.745154][ T6625] RAX: ffffffffffffffda RBX: 00007f800e1d5fa0 RCX: 00007f800df8ec29
[   96.745164][ T6625] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   96.745175][ T6625] RBP: 00007f800edc6090 R08: 0000000000000000 R09: 0000000000000000
[   96.745185][ T6625] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   96.745195][ T6625] R13: 00007f800e1d6038 R14: 00007f800e1d5fa0 R15: 00007ffd5d624458
[   96.745219][ T6625]  </TASK>
[   97.019076][ T6627] CPU: 2 UID: 0 PID: 6627 Comm: syz.2.63 Not tainted syzkaller #0 PREEMPT(full) 
[   97.019098][ T6627] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   97.019107][ T6627] Call Trace:
[   97.019112][ T6627]  <TASK>
[   97.019117][ T6627]  dump_stack_lvl+0x16c/0x1f0
[   97.019139][ T6627]  should_fail_ex+0x512/0x640
[   97.019154][ T6627]  should_fail_alloc_page+0xe7/0x130
[   97.019172][ T6627]  prepare_alloc_pages+0x3c2/0x610
[   97.019187][ T6627]  ? rcu_is_watching+0x12/0xc0
[   97.019199][ T6627]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   97.019219][ T6627]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   97.019233][ T6627]  ? is_bpf_text_address+0x8a/0x1a0
[   97.019243][ T6627]  ? bpf_ksym_find+0x127/0x1c0
[   97.019292][ T6627]  ? find_held_lock+0x2b/0x80
[   97.019310][ T6627]  ? rcu_read_unlock+0x17/0x60
[   97.019341][ T6627]  __folio_alloc_noprof+0x11/0x220
[   97.019361][ T6627]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   97.019381][ T6627]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   97.019400][ T6627]  ? find_held_lock+0x2b/0x80
[   97.019415][ T6627]  ? stack_depot_save_flags+0x29/0x9c0
[   97.019437][ T6627]  ? is_bpf_text_address+0x8a/0x1a0
[   97.019456][ T6627]  pfn_to_dma_pte+0x33e/0x6a0
[   97.019471][ T6627]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   97.019480][ T6627]  ? dma_buf_map_attachment+0x161/0x5f0
[   97.019496][ T6627]  ? drm_gem_prime_import_dev+0x166/0x440
[   97.019510][ T6627]  ? virtgpu_gem_prime_import+0x16c/0x800
[   97.019523][ T6627]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   97.019535][ T6627]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   97.019548][ T6627]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   97.019558][ T6627]  ? drm_ioctl+0x5c9/0xc30
[   97.019569][ T6627]  intel_iommu_map_pages+0x8af/0x1520
[   97.019588][ T6627]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   97.019600][ T6627]  ? iommu_pgsize+0x294/0x300
[   97.019615][ T6627]  iommu_map_nosync+0x33a/0x700
[   97.019635][ T6627]  ? __pfx_iommu_map_nosync+0x10/0x10
[   97.019655][ T6627]  ? lock_acquire+0x179/0x350
[   97.019690][ T6627]  ? find_held_lock+0x2b/0x80
[   97.019704][ T6627]  ? iommu_map_sg+0x5ee/0x9d0
[   97.019715][ T6627]  iommu_map_sg+0x1c1/0x9d0
[   97.019728][ T6627]  iommu_dma_map_sg+0x92d/0xe90
[   97.019748][ T6627]  __dma_map_sg_attrs+0x293/0x590
[   97.019760][ T6627]  dma_map_sgtable+0x78/0x100
[   97.019771][ T6627]  system_heap_map_dma_buf+0x66/0xf0
[   97.019788][ T6627]  dma_buf_map_attachment+0x161/0x5f0
[   97.019804][ T6627]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   97.019820][ T6627]  drm_gem_prime_import_dev+0x166/0x440
[   97.019835][ T6627]  virtgpu_gem_prime_import+0x16c/0x800
[   97.019849][ T6627]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   97.019862][ T6627]  ? __pfx___mutex_lock+0x10/0x10
[   97.019872][ T6627]  ? find_held_lock+0x2b/0x80
[   97.019882][ T6627]  ? __fget_files+0x204/0x3c0
[   97.019899][ T6627]  ? __fget_files+0x20e/0x3c0
[   97.019914][ T6627]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   97.019928][ T6627]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   97.019944][ T6627]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   97.019959][ T6627]  drm_ioctl_kernel+0x1f4/0x3e0
[   97.019969][ T6627]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   97.019985][ T6627]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   97.019999][ T6627]  drm_ioctl+0x5c9/0xc30
[   97.020011][ T6627]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   97.020026][ T6627]  ? __pfx_drm_ioctl+0x10/0x10
[   97.020042][ T6627]  ? selinux_file_ioctl+0x180/0x270
[   97.020057][ T6627]  ? selinux_file_ioctl+0xb4/0x270
[   97.020072][ T6627]  ? __pfx_drm_ioctl+0x10/0x10
[   97.020083][ T6627]  __x64_sys_ioctl+0x18e/0x210
[   97.020095][ T6627]  do_syscall_64+0xcd/0xfa0
[   97.020107][ T6627]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   97.020117][ T6627] RIP: 0033:0x7f906258ec29
[   97.020127][ T6627] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   97.020137][ T6627] RSP: 002b:00007f9063337038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   97.020147][ T6627] RAX: ffffffffffffffda RBX: 00007f90627d5fa0 RCX: 00007f906258ec29
[   97.020154][ T6627] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   97.020160][ T6627] RBP: 00007f9063337090 R08: 0000000000000000 R09: 0000000000000000
[   97.020166][ T6627] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   97.020172][ T6627] R13: 00007f90627d6038 R14: 00007f90627d5fa0 R15: 00007ffcba9d5f38
[   97.020185][ T6627]  </TASK>
[   97.020535][ T6629] FAULT_INJECTION: forcing a failure.
[   97.020535][ T6629] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   97.181555][ T6629] CPU: 1 UID: 0 PID: 6629 Comm: syz.1.64 Not tainted syzkaller #0 PREEMPT(full) 
[   97.181572][ T6629] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   97.181579][ T6629] Call Trace:
[   97.181583][ T6629]  <TASK>
[   97.181588][ T6629]  dump_stack_lvl+0x16c/0x1f0
[   97.181609][ T6629]  should_fail_ex+0x512/0x640
[   97.181625][ T6629]  should_fail_alloc_page+0xe7/0x130
[   97.181644][ T6629]  prepare_alloc_pages+0x3c2/0x610
[   97.181660][ T6629]  ? rcu_is_watching+0x12/0xc0
[   97.181672][ T6629]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   97.181693][ T6629]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   97.181707][ T6629]  ? is_bpf_text_address+0x8a/0x1a0
[   97.181716][ T6629]  ? bpf_ksym_find+0x127/0x1c0
[   97.181731][ T6629]  ? find_held_lock+0x2b/0x80
[   97.181741][ T6629]  ? rcu_read_unlock+0x17/0x60
[   97.181760][ T6629]  __folio_alloc_noprof+0x11/0x220
[   97.181786][ T6629]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   97.181799][ T6629]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   97.181809][ T6629]  ? find_held_lock+0x2b/0x80
[   97.181818][ T6629]  ? stack_depot_save_flags+0x29/0x9c0
[   97.181831][ T6629]  ? is_bpf_text_address+0x8a/0x1a0
[   97.181842][ T6629]  pfn_to_dma_pte+0x33e/0x6a0
[   97.181856][ T6629]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   97.181864][ T6629]  ? dma_buf_map_attachment+0x161/0x5f0
[   97.181884][ T6629]  ? drm_gem_prime_import_dev+0x166/0x440
[   97.181898][ T6629]  ? virtgpu_gem_prime_import+0x16c/0x800
[   97.181912][ T6629]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   97.181925][ T6629]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   97.181938][ T6629]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   97.181948][ T6629]  ? drm_ioctl+0x5c9/0xc30
[   97.181959][ T6629]  intel_iommu_map_pages+0x8af/0x1520
[   97.181979][ T6629]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   97.181991][ T6629]  ? iommu_pgsize+0x294/0x300
[   97.182006][ T6629]  iommu_map_nosync+0x33a/0x700
[   97.182026][ T6629]  ? __pfx_iommu_map_nosync+0x10/0x10
[   97.182041][ T6629]  ? lock_acquire+0x179/0x350
[   97.182055][ T6629]  ? find_held_lock+0x2b/0x80
[   97.182065][ T6629]  ? iommu_map_sg+0x5ee/0x9d0
[   97.182075][ T6629]  iommu_map_sg+0x1c1/0x9d0
[   97.182088][ T6629]  iommu_dma_map_sg+0x92d/0xe90
[   97.182109][ T6629]  __dma_map_sg_attrs+0x293/0x590
[   97.182121][ T6629]  dma_map_sgtable+0x78/0x100
[   97.182132][ T6629]  system_heap_map_dma_buf+0x66/0xf0
[   97.182149][ T6629]  dma_buf_map_attachment+0x161/0x5f0
[   97.182165][ T6629]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   97.182181][ T6629]  drm_gem_prime_import_dev+0x166/0x440
[   97.182197][ T6629]  virtgpu_gem_prime_import+0x16c/0x800
[   97.182211][ T6629]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   97.182224][ T6629]  ? __pfx___mutex_lock+0x10/0x10
[   97.182234][ T6629]  ? find_held_lock+0x2b/0x80
[   97.182244][ T6629]  ? __fget_files+0x204/0x3c0
[   97.182260][ T6629]  ? __fget_files+0x20e/0x3c0
[   97.182274][ T6629]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   97.182288][ T6629]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   97.182304][ T6629]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   97.182320][ T6629]  drm_ioctl_kernel+0x1f4/0x3e0
[   97.182333][ T6629]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   97.182355][ T6629]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   97.182371][ T6629]  drm_ioctl+0x5c9/0xc30
[   97.182383][ T6629]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   97.182398][ T6629]  ? __pfx_drm_ioctl+0x10/0x10
[   97.182414][ T6629]  ? selinux_file_ioctl+0x180/0x270
[   97.182429][ T6629]  ? selinux_file_ioctl+0xb4/0x270
[   97.182444][ T6629]  ? __pfx_drm_ioctl+0x10/0x10
[   97.182454][ T6629]  __x64_sys_ioctl+0x18e/0x210
[   97.182468][ T6629]  do_syscall_64+0xcd/0xfa0
[   97.182479][ T6629]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   97.182490][ T6629] RIP: 0033:0x7f682638ec29
[   97.182500][ T6629] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   97.182510][ T6629] RSP: 002b:00007f68271d2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   97.182520][ T6629] RAX: ffffffffffffffda RBX: 00007f68265d5fa0 RCX: 00007f682638ec29
[   97.182526][ T6629] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   97.182533][ T6629] RBP: 00007f68271d2090 R08: 0000000000000000 R09: 0000000000000000
[   97.182539][ T6629] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   97.182545][ T6629] R13: 00007f68265d6038 R14: 00007f68265d5fa0 R15: 00007fff2221d458
[   97.182559][ T6629]  </TASK>
[   97.183334][ T6631] FAULT_INJECTION: forcing a failure.
[   97.183334][ T6631] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   97.183796][ T6633] FAULT_INJECTION: forcing a failure.
[   97.183796][ T6633] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   97.185796][ T6635] FAULT_INJECTION: forcing a failure.
[   97.185796][ T6635] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   97.185815][ T6635] CPU: 0 UID: 0 PID: 6635 Comm: syz.2.67 Not tainted syzkaller #0 PREEMPT(full) 
[   97.185827][ T6635] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   97.185833][ T6635] Call Trace:
[   97.185837][ T6635]  <TASK>
[   97.185841][ T6635]  dump_stack_lvl+0x16c/0x1f0
[   97.185860][ T6635]  should_fail_ex+0x512/0x640
[   97.185876][ T6635]  should_fail_alloc_page+0xe7/0x130
[   97.185894][ T6635]  prepare_alloc_pages+0x3c2/0x610
[   97.185909][ T6635]  ? rcu_is_watching+0x12/0xc0
[   97.185922][ T6635]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   97.185942][ T6635]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   97.185956][ T6635]  ? is_bpf_text_address+0x8a/0x1a0
[   97.185966][ T6635]  ? bpf_ksym_find+0x127/0x1c0
[   97.185980][ T6635]  ? find_held_lock+0x2b/0x80
[   97.185990][ T6635]  ? rcu_read_unlock+0x17/0x60
[   97.186008][ T6635]  __folio_alloc_noprof+0x11/0x220
[   97.186020][ T6635]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   97.186031][ T6635]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   97.186042][ T6635]  ? find_held_lock+0x2b/0x80
[   97.186051][ T6635]  ? stack_depot_save_flags+0x29/0x9c0
[   97.186064][ T6635]  ? is_bpf_text_address+0x8a/0x1a0
[   97.186075][ T6635]  pfn_to_dma_pte+0x33e/0x6a0
[   97.186088][ T6635]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   97.186097][ T6635]  ? dma_buf_map_attachment+0x161/0x5f0
[   97.186113][ T6635]  ? drm_gem_prime_import_dev+0x166/0x440
[   97.186126][ T6635]  ? virtgpu_gem_prime_import+0x16c/0x800
[   97.186139][ T6635]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   97.186151][ T6635]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   97.186165][ T6635]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   97.186174][ T6635]  ? drm_ioctl+0x5c9/0xc30
[   97.186185][ T6635]  intel_iommu_map_pages+0x8af/0x1520
[   97.186205][ T6635]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   97.186217][ T6635]  ? iommu_pgsize+0x294/0x300
[   97.186231][ T6635]  iommu_map_nosync+0x33a/0x700
[   97.186250][ T6635]  ? __pfx_iommu_map_nosync+0x10/0x10
[   97.186265][ T6635]  ? lock_acquire+0x179/0x350
[   97.186279][ T6635]  ? find_held_lock+0x2b/0x80
[   97.186289][ T6635]  ? iommu_map_sg+0x5ee/0x9d0
[   97.186300][ T6635]  iommu_map_sg+0x1c1/0x9d0
[   97.186312][ T6635]  iommu_dma_map_sg+0x92d/0xe90
[   97.186332][ T6635]  __dma_map_sg_attrs+0x293/0x590
[   97.186344][ T6635]  dma_map_sgtable+0x78/0x100
[   97.186355][ T6635]  system_heap_map_dma_buf+0x66/0xf0
[   97.186371][ T6635]  dma_buf_map_attachment+0x161/0x5f0
[   97.186388][ T6635]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   97.186404][ T6635]  drm_gem_prime_import_dev+0x166/0x440
[   97.186418][ T6635]  virtgpu_gem_prime_import+0x16c/0x800
[   97.186432][ T6635]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   97.186445][ T6635]  ? __pfx___mutex_lock+0x10/0x10
[   97.186455][ T6635]  ? find_held_lock+0x2b/0x80
[   97.186465][ T6635]  ? __fget_files+0x204/0x3c0
[   97.186480][ T6635]  ? __fget_files+0x20e/0x3c0
[   97.186501][ T6635]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   97.186522][ T6635]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   97.186547][ T6635]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   97.186571][ T6635]  drm_ioctl_kernel+0x1f4/0x3e0
[   97.186588][ T6635]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   97.186610][ T6635]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   97.186634][ T6635]  drm_ioctl+0x5c9/0xc30
[   97.186656][ T6635]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   97.186676][ T6635]  ? __pfx_drm_ioctl+0x10/0x10
[   97.186697][ T6635]  ? selinux_file_ioctl+0x180/0x270
[   97.186719][ T6635]  ? selinux_file_ioctl+0xb4/0x270
[   97.186744][ T6635]  ? __pfx_drm_ioctl+0x10/0x10
[   97.186763][ T6635]  __x64_sys_ioctl+0x18e/0x210
[   97.186785][ T6635]  do_syscall_64+0xcd/0xfa0
[   97.186805][ T6635]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   97.186822][ T6635] RIP: 0033:0x7f906258ec29
[   97.186833][ T6635] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   97.186843][ T6635] RSP: 002b:00007f9063337038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   97.186853][ T6635] RAX: ffffffffffffffda RBX: 00007f90627d5fa0 RCX: 00007f906258ec29
[   97.186860][ T6635] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   97.186866][ T6635] RBP: 00007f9063337090 R08: 0000000000000000 R09: 0000000000000000
[   97.186872][ T6635] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   97.186878][ T6635] R13: 00007f90627d6038 R14: 00007f90627d5fa0 R15: 00007ffcba9d5f38
[   97.186894][ T6635]  </TASK>
[   97.186902][ T6631] CPU: 1 UID: 0 PID: 6631 Comm: syz.0.65 Not tainted syzkaller #0 PREEMPT(full) 
[   97.186922][ T6631] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   97.186931][ T6631] Call Trace:
[   97.186938][ T6631]  <TASK>
[   97.186943][ T6631]  dump_stack_lvl+0x16c/0x1f0
[   97.186969][ T6631]  should_fail_ex+0x512/0x640
[   97.186993][ T6631]  _copy_to_user+0x32/0xd0
[   97.187015][ T6631]  drm_ioctl+0x5eb/0xc30
[   97.187034][ T6631]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   97.187057][ T6631]  ? __pfx_drm_ioctl+0x10/0x10
[   97.187082][ T6631]  ? selinux_file_ioctl+0x180/0x270
[   97.187103][ T6631]  ? selinux_file_ioctl+0xb4/0x270
[   97.187124][ T6631]  ? __pfx_drm_ioctl+0x10/0x10
[   97.187141][ T6631]  __x64_sys_ioctl+0x18e/0x210
[   97.187159][ T6631]  do_syscall_64+0xcd/0xfa0
[   97.187176][ T6631]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   97.187192][ T6631] RIP: 0033:0x7f40d218ec29
[   97.187204][ T6631] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   97.187218][ T6631] RSP: 002b:00007f40d2f79038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   97.187232][ T6631] RAX: ffffffffffffffda RBX: 00007f40d23d5fa0 RCX: 00007f40d218ec29
[   97.187242][ T6631] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   97.187251][ T6631] RBP: 00007f40d2f79090 R08: 0000000000000000 R09: 0000000000000000
[   97.187260][ T6631] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   97.187268][ T6631] R13: 00007f40d23d6038 R14: 00007f40d23d5fa0 R15: 00007ffdb3ff7518
[   97.187295][ T6631]  </TASK>
[   97.223316][ T6641] FAULT_INJECTION: forcing a failure.
[   97.223316][ T6641] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   97.224710][ T6638] FAULT_INJECTION: forcing a failure.
[   97.224710][ T6638] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   97.224860][ T6633] CPU: 3 UID: 0 PID: 6633 Comm: syz.3.66 Not tainted syzkaller #0 PREEMPT(full) 
[   97.224884][ T6633] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   97.224895][ T6633] Call Trace:
[   97.224901][ T6633]  <TASK>
[   97.224909][ T6633]  dump_stack_lvl+0x16c/0x1f0
[   97.224948][ T6633]  should_fail_ex+0x512/0x640
[   97.224974][ T6633]  _copy_from_user+0x2e/0xd0
[   97.224998][ T6633]  kstrtouint_from_user+0xd6/0x1d0
[   97.225014][ T6633]  ? __pfx_kstrtouint_from_user+0x10/0x10
[   97.225030][ T6633]  ? __lock_acquire+0xb8a/0x1c90
[   97.225059][ T6633]  proc_fail_nth_write+0x83/0x220
[   97.225084][ T6633]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   97.225113][ T6633]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   97.225136][ T6633]  vfs_write+0x2a0/0x11d0
[   97.225160][ T6633]  ? __pfx___mutex_lock+0x10/0x10
[   97.225177][ T6633]  ? __pfx_vfs_write+0x10/0x10
[   97.225203][ T6633]  ? __fget_files+0x20e/0x3c0
[   97.225231][ T6633]  ksys_write+0x12a/0x250
[   97.225250][ T6633]  ? __pfx_ksys_write+0x10/0x10
[   97.225270][ T6633]  ? __secure_computing+0x28e/0x3b0
[   97.225294][ T6633]  do_syscall_64+0xcd/0xfa0
[   97.225308][ T6633]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   97.225319][ T6633] RIP: 0033:0x7f800df8d6df
[   97.225329][ T6633] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[   97.225339][ T6633] RSP: 002b:00007f800edc6030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[   97.225349][ T6633] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f800df8d6df
[   97.225355][ T6633] RDX: 0000000000000001 RSI: 00007f800edc60a0 RDI: 0000000000000006
[   97.225361][ T6633] RBP: 00007f800edc6090 R08: 0000000000000000 R09: 0000000000000000
[   97.225367][ T6633] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
[   97.225373][ T6633] R13: 00007f800e1d6038 R14: 00007f800e1d5fa0 R15: 00007ffd5d624458
[   97.225386][ T6633]  </TASK>
[   97.226452][ T6641] CPU: 0 UID: 0 PID: 6641 Comm: syz.2.69 Not tainted syzkaller #0 PREEMPT(full) 
[   97.226472][ T6641] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   97.226481][ T6641] Call Trace:
[   97.226487][ T6641]  <TASK>
[   97.226493][ T6641]  dump_stack_lvl+0x16c/0x1f0
[   97.226520][ T6641]  should_fail_ex+0x512/0x640
[   97.226540][ T6641]  _copy_from_user+0x2e/0xd0
[   97.226560][ T6641]  kstrtouint_from_user+0xd6/0x1d0
[   97.226576][ T6641]  ? __pfx_kstrtouint_from_user+0x10/0x10
[   97.226591][ T6641]  ? __lock_acquire+0xb8a/0x1c90
[   97.226620][ T6641]  proc_fail_nth_write+0x83/0x220
[   97.226643][ T6641]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   97.226672][ T6641]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   97.226706][ T6641]  vfs_write+0x2a0/0x11d0
[   97.226729][ T6641]  ? __pfx___mutex_lock+0x10/0x10
[   97.226745][ T6641]  ? __pfx_vfs_write+0x10/0x10
[   97.226771][ T6641]  ? __fget_files+0x20e/0x3c0
[   97.226798][ T6641]  ksys_write+0x12a/0x250
[   97.226814][ T6641]  ? __pfx_ksys_write+0x10/0x10
[   97.226833][ T6641]  ? __secure_computing+0x28e/0x3b0
[   97.226857][ T6641]  do_syscall_64+0xcd/0xfa0
[   97.226874][ T6641]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   97.226889][ T6641] RIP: 0033:0x7f906258d6df
[   97.226898][ T6641] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[   97.226911][ T6641] RSP: 002b:00007f9063337030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[   97.226926][ T6641] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f906258d6df
[   97.226936][ T6641] RDX: 0000000000000001 RSI: 00007f90633370a0 RDI: 0000000000000006
[   97.226945][ T6641] RBP: 00007f9063337090 R08: 0000000000000000 R09: 0000000000000000
[   97.226953][ T6641] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
[   97.226962][ T6641] R13: 00007f90627d6038 R14: 00007f90627d5fa0 R15: 00007ffcba9d5f38
[   97.226984][ T6641]  </TASK>
[   97.772619][ T6638] CPU: 3 UID: 0 PID: 6638 Comm: syz.1.68 Not tainted syzkaller #0 PREEMPT(full) 
[   97.772641][ T6638] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   97.772651][ T6638] Call Trace:
[   97.772658][ T6638]  <TASK>
[   97.772665][ T6638]  dump_stack_lvl+0x16c/0x1f0
[   97.772698][ T6638]  should_fail_ex+0x512/0x640
[   97.772724][ T6638]  should_fail_alloc_page+0xe7/0x130
[   97.772750][ T6638]  prepare_alloc_pages+0x3c2/0x610
[   97.772773][ T6638]  ? rcu_is_watching+0x12/0xc0
[   97.772814][ T6638]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   97.772852][ T6638]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   97.772873][ T6638]  ? is_bpf_text_address+0x8a/0x1a0
[   97.772887][ T6638]  ? bpf_ksym_find+0x127/0x1c0
[   97.772911][ T6638]  ? find_held_lock+0x2b/0x80
[   97.772928][ T6638]  ? rcu_read_unlock+0x17/0x60
[   97.772959][ T6638]  __folio_alloc_noprof+0x11/0x220
[   97.772978][ T6638]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   97.772995][ T6638]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   97.773010][ T6638]  ? find_held_lock+0x2b/0x80
[   97.773025][ T6638]  ? stack_depot_save_flags+0x29/0x9c0
[   97.773046][ T6638]  ? is_bpf_text_address+0x8a/0x1a0
[   97.773064][ T6638]  pfn_to_dma_pte+0x33e/0x6a0
[   97.773087][ T6638]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   97.773102][ T6638]  ? dma_buf_map_attachment+0x161/0x5f0
[   97.773123][ T6638]  ? drm_gem_prime_import_dev+0x166/0x440
[   97.773145][ T6638]  ? virtgpu_gem_prime_import+0x16c/0x800
[   97.773165][ T6638]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   97.773186][ T6638]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   97.773208][ T6638]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   97.773225][ T6638]  ? drm_ioctl+0x5c9/0xc30
[   97.773240][ T6638]  intel_iommu_map_pages+0x8af/0x1520
[   97.773273][ T6638]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   97.773294][ T6638]  ? iommu_pgsize+0x294/0x300
[   97.773319][ T6638]  iommu_map_nosync+0x33a/0x700
[   97.773350][ T6638]  ? __pfx_iommu_map_nosync+0x10/0x10
[   97.773371][ T6638]  ? lock_acquire+0x179/0x350
[   97.773393][ T6638]  ? find_held_lock+0x2b/0x80
[   97.773409][ T6638]  ? iommu_map_sg+0x5ee/0x9d0
[   97.773427][ T6638]  iommu_map_sg+0x1c1/0x9d0
[   97.773450][ T6638]  iommu_dma_map_sg+0x92d/0xe90
[   97.773481][ T6638]  __dma_map_sg_attrs+0x293/0x590
[   97.773498][ T6638]  dma_map_sgtable+0x78/0x100
[   97.773516][ T6638]  system_heap_map_dma_buf+0x66/0xf0
[   97.773544][ T6638]  dma_buf_map_attachment+0x161/0x5f0
[   97.773569][ T6638]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   97.773595][ T6638]  drm_gem_prime_import_dev+0x166/0x440
[   97.773616][ T6638]  virtgpu_gem_prime_import+0x16c/0x800
[   97.773638][ T6638]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   97.773658][ T6638]  ? __pfx___mutex_lock+0x10/0x10
[   97.773675][ T6638]  ? find_held_lock+0x2b/0x80
[   97.773691][ T6638]  ? __fget_files+0x204/0x3c0
[   97.773717][ T6638]  ? __fget_files+0x20e/0x3c0
[   97.773736][ T6638]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   97.773758][ T6638]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   97.773786][ T6638]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   97.773815][ T6638]  drm_ioctl_kernel+0x1f4/0x3e0
[   97.773832][ T6638]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   97.773854][ T6638]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   97.773878][ T6638]  drm_ioctl+0x5c9/0xc30
[   97.773898][ T6638]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   97.773923][ T6638]  ? __pfx_drm_ioctl+0x10/0x10
[   97.773951][ T6638]  ? selinux_file_ioctl+0x180/0x270
[   97.773972][ T6638]  ? selinux_file_ioctl+0xb4/0x270
[   97.773994][ T6638]  ? __pfx_drm_ioctl+0x10/0x10
[   97.774012][ T6638]  __x64_sys_ioctl+0x18e/0x210
[   97.774033][ T6638]  do_syscall_64+0xcd/0xfa0
[   97.774052][ T6638]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   97.774069][ T6638] RIP: 0033:0x7f682638ec29
[   97.774083][ T6638] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   97.774097][ T6638] RSP: 002b:00007f68271d2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   97.774111][ T6638] RAX: ffffffffffffffda RBX: 00007f68265d5fa0 RCX: 00007f682638ec29
[   97.774122][ T6638] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   97.774132][ T6638] RBP: 00007f68271d2090 R08: 0000000000000000 R09: 0000000000000000
[   97.774142][ T6638] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   97.774152][ T6638] R13: 00007f68265d6038 R14: 00007f68265d5fa0 R15: 00007fff2221d458
[   97.774177][ T6638]  </TASK>
[   97.774725][ T6646] FAULT_INJECTION: forcing a failure.
[   97.774725][ T6646] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   97.774900][ T6643] FAULT_INJECTION: forcing a failure.
[   97.774900][ T6643] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   97.778689][ T6646] CPU: 1 UID: 0 PID: 6646 Comm: syz.2.71 Not tainted syzkaller #0 PREEMPT(full) 
[   97.778706][ T6646] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   97.778713][ T6646] Call Trace:
[   97.778717][ T6646]  <TASK>
[   97.778722][ T6646]  dump_stack_lvl+0x16c/0x1f0
[   97.778757][ T6646]  should_fail_ex+0x512/0x640
[   97.778773][ T6646]  _copy_from_user+0x2e/0xd0
[   97.778788][ T6646]  kstrtouint_from_user+0xd6/0x1d0
[   97.778799][ T6646]  ? __pfx_kstrtouint_from_user+0x10/0x10
[   97.778810][ T6646]  ? __lock_acquire+0xb8a/0x1c90
[   97.778831][ T6646]  proc_fail_nth_write+0x83/0x220
[   97.778848][ T6646]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   97.778867][ T6646]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   97.778881][ T6646]  vfs_write+0x2a0/0x11d0
[   97.778898][ T6646]  ? __pfx___mutex_lock+0x10/0x10
[   97.778909][ T6646]  ? __pfx_vfs_write+0x10/0x10
[   97.778931][ T6646]  ? __fget_files+0x20e/0x3c0
[   97.778949][ T6646]  ksys_write+0x12a/0x250
[   97.778962][ T6646]  ? __pfx_ksys_write+0x10/0x10
[   97.778976][ T6646]  ? __secure_computing+0x28e/0x3b0
[   97.778993][ T6646]  do_syscall_64+0xcd/0xfa0
[   97.779004][ T6646]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   97.779016][ T6646] RIP: 0033:0x7f906258d6df
[   97.779025][ T6646] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[   97.779035][ T6646] RSP: 002b:00007f9063337030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[   97.779046][ T6646] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f906258d6df
[   97.779052][ T6646] RDX: 0000000000000001 RSI: 00007f90633370a0 RDI: 0000000000000006
[   97.779058][ T6646] RBP: 00007f9063337090 R08: 0000000000000000 R09: 0000000000000000
[   97.779064][ T6646] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
[   97.779070][ T6646] R13: 00007f90627d6038 R14: 00007f90627d5fa0 R15: 00007ffcba9d5f38
[   97.779084][ T6646]  </TASK>
[   97.779122][ T6647] FAULT_INJECTION: forcing a failure.
[   97.779122][ T6647] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   97.784147][ T6643] CPU: 3 UID: 0 PID: 6643 Comm: syz.0.70 Not tainted syzkaller #0 PREEMPT(full) 
[   97.784169][ T6643] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   97.784181][ T6643] Call Trace:
[   97.784187][ T6643]  <TASK>
[   97.784195][ T6643]  dump_stack_lvl+0x16c/0x1f0
[   97.784228][ T6643]  should_fail_ex+0x512/0x640
[   97.784254][ T6643]  _copy_from_user+0x2e/0xd0
[   97.784276][ T6643]  kstrtouint_from_user+0xd6/0x1d0
[   97.784292][ T6643]  ? __pfx_kstrtouint_from_user+0x10/0x10
[   97.784310][ T6643]  ? __lock_acquire+0xb8a/0x1c90
[   97.784344][ T6643]  proc_fail_nth_write+0x83/0x220
[   97.784371][ T6643]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   97.784402][ T6643]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   97.784424][ T6643]  vfs_write+0x2a0/0x11d0
[   97.784451][ T6643]  ? __pfx___mutex_lock+0x10/0x10
[   97.784470][ T6643]  ? __pfx_vfs_write+0x10/0x10
[   97.784499][ T6643]  ? __fget_files+0x20e/0x3c0
[   97.784527][ T6643]  ksys_write+0x12a/0x250
[   97.784546][ T6643]  ? __pfx_ksys_write+0x10/0x10
[   97.784569][ T6643]  ? __secure_computing+0x28e/0x3b0
[   97.784597][ T6643]  do_syscall_64+0xcd/0xfa0
[   97.784616][ T6643]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   97.784641][ T6643] RIP: 0033:0x7f40d218d6df
[   97.784654][ T6643] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[   97.784669][ T6643] RSP: 002b:00007f40d2f79030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[   97.784687][ T6643] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f40d218d6df
[   97.784698][ T6643] RDX: 0000000000000001 RSI: 00007f40d2f790a0 RDI: 0000000000000006
[   97.784708][ T6643] RBP: 00007f40d2f79090 R08: 0000000000000000 R09: 0000000000000000
[   97.784719][ T6643] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
[   97.784729][ T6643] R13: 00007f40d23d6038 R14: 00007f40d23d5fa0 R15: 00007ffdb3ff7518
[   97.784753][ T6643]  </TASK>
[   97.815204][ T6652] FAULT_INJECTION: forcing a failure.
[   97.815204][ T6652] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   97.818314][ T6647] CPU: 0 UID: 0 PID: 6647 Comm: syz.3.72 Not tainted syzkaller #0 PREEMPT(full) 
[   97.818340][ T6647] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   97.818352][ T6647] Call Trace:
[   97.818358][ T6647]  <TASK>
[   97.818365][ T6647]  dump_stack_lvl+0x16c/0x1f0
[   97.818399][ T6647]  should_fail_ex+0x512/0x640
[   97.818426][ T6647]  _copy_to_user+0x32/0xd0
[   97.818453][ T6647]  simple_read_from_buffer+0xcb/0x170
[   97.818479][ T6647]  proc_fail_nth_read+0x197/0x240
[   97.818507][ T6647]  ? __pfx_proc_fail_nth_read+0x10/0x10
[   97.818536][ T6647]  ? rw_verify_area+0xcf/0x6c0
[   97.818556][ T6647]  ? __pfx_proc_fail_nth_read+0x10/0x10
[   97.818581][ T6647]  vfs_read+0x1e4/0xcf0
[   97.818608][ T6647]  ? __pfx___mutex_lock+0x10/0x10
[   97.818625][ T6647]  ? __pfx_vfs_read+0x10/0x10
[   97.818655][ T6647]  ? __fget_files+0x20e/0x3c0
[   97.818687][ T6647]  ksys_read+0x12a/0x250
[   97.818710][ T6647]  ? __pfx_ksys_read+0x10/0x10
[   97.818733][ T6647]  ? __secure_computing+0x28e/0x3b0
[   97.818782][ T6647]  do_syscall_64+0xcd/0xfa0
[   97.818801][ T6647]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   97.818820][ T6647] RIP: 0033:0x7f800df8d63c
[   97.818835][ T6647] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[   97.818852][ T6647] RSP: 002b:00007f800edc6030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[   97.818875][ T6647] RAX: ffffffffffffffda RBX: 00007f800e1d5fa0 RCX: 00007f800df8d63c
[   97.818887][ T6647] RDX: 000000000000000f RSI: 00007f800edc60a0 RDI: 0000000000000006
[   97.818897][ T6647] RBP: 00007f800edc6090 R08: 0000000000000000 R09: 0000000000000000
[   97.818907][ T6647] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   97.818918][ T6647] R13: 00007f800e1d6038 R14: 00007f800e1d5fa0 R15: 00007ffd5d624458
[   97.818943][ T6647]  </TASK>
[   98.175440][ T6652] CPU: 1 UID: 0 PID: 6652 Comm: syz.0.74 Not tainted syzkaller #0 PREEMPT(full) 
[   98.175456][ T6652] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   98.175463][ T6652] Call Trace:
[   98.175468][ T6652]  <TASK>
[   98.175472][ T6652]  dump_stack_lvl+0x16c/0x1f0
[   98.175493][ T6652]  should_fail_ex+0x512/0x640
[   98.175509][ T6652]  should_fail_alloc_page+0xe7/0x130
[   98.175526][ T6652]  prepare_alloc_pages+0x3c2/0x610
[   98.175556][ T6652]  ? rcu_is_watching+0x12/0xc0
[   98.175569][ T6652]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   98.175589][ T6652]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   98.175604][ T6652]  ? is_bpf_text_address+0x8a/0x1a0
[   98.175613][ T6652]  ? bpf_ksym_find+0x127/0x1c0
[   98.175628][ T6652]  ? find_held_lock+0x2b/0x80
[   98.175639][ T6652]  ? rcu_read_unlock+0x17/0x60
[   98.175688][ T6652]  __folio_alloc_noprof+0x11/0x220
[   98.175708][ T6652]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   98.175720][ T6652]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   98.175730][ T6652]  ? find_held_lock+0x2b/0x80
[   98.175739][ T6652]  ? stack_depot_save_flags+0x29/0x9c0
[   98.175752][ T6652]  ? is_bpf_text_address+0x8a/0x1a0
[   98.175763][ T6652]  pfn_to_dma_pte+0x33e/0x6a0
[   98.175776][ T6652]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   98.175785][ T6652]  ? dma_buf_map_attachment+0x161/0x5f0
[   98.175800][ T6652]  ? drm_gem_prime_import_dev+0x166/0x440
[   98.175814][ T6652]  ? virtgpu_gem_prime_import+0x16c/0x800
[   98.175827][ T6652]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   98.175840][ T6652]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   98.175854][ T6652]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   98.175863][ T6652]  ? drm_ioctl+0x5c9/0xc30
[   98.175875][ T6652]  intel_iommu_map_pages+0x8af/0x1520
[   98.175899][ T6652]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   98.175912][ T6652]  ? iommu_pgsize+0x294/0x300
[   98.175927][ T6652]  iommu_map_nosync+0x33a/0x700
[   98.175946][ T6652]  ? __pfx_iommu_map_nosync+0x10/0x10
[   98.175963][ T6652]  ? lock_acquire+0x179/0x350
[   98.175978][ T6652]  ? find_held_lock+0x2b/0x80
[   98.175988][ T6652]  ? iommu_map_sg+0x5ee/0x9d0
[   98.175998][ T6652]  iommu_map_sg+0x1c1/0x9d0
[   98.176012][ T6652]  iommu_dma_map_sg+0x92d/0xe90
[   98.176032][ T6652]  __dma_map_sg_attrs+0x293/0x590
[   98.176044][ T6652]  dma_map_sgtable+0x78/0x100
[   98.176055][ T6652]  system_heap_map_dma_buf+0x66/0xf0
[   98.176072][ T6652]  dma_buf_map_attachment+0x161/0x5f0
[   98.176088][ T6652]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   98.176104][ T6652]  drm_gem_prime_import_dev+0x166/0x440
[   98.176120][ T6652]  virtgpu_gem_prime_import+0x16c/0x800
[   98.176134][ T6652]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   98.176147][ T6652]  ? __pfx___mutex_lock+0x10/0x10
[   98.176157][ T6652]  ? find_held_lock+0x2b/0x80
[   98.176166][ T6652]  ? __fget_files+0x204/0x3c0
[   98.176182][ T6652]  ? __fget_files+0x20e/0x3c0
[   98.176196][ T6652]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   98.176210][ T6652]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   98.176227][ T6652]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   98.176243][ T6652]  drm_ioctl_kernel+0x1f4/0x3e0
[   98.176253][ T6652]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   98.176268][ T6652]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   98.176283][ T6652]  drm_ioctl+0x5c9/0xc30
[   98.176295][ T6652]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   98.176310][ T6652]  ? __pfx_drm_ioctl+0x10/0x10
[   98.176327][ T6652]  ? selinux_file_ioctl+0x180/0x270
[   98.176341][ T6652]  ? selinux_file_ioctl+0xb4/0x270
[   98.176356][ T6652]  ? __pfx_drm_ioctl+0x10/0x10
[   98.176367][ T6652]  __x64_sys_ioctl+0x18e/0x210
[   98.176380][ T6652]  do_syscall_64+0xcd/0xfa0
[   98.176391][ T6652]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   98.176402][ T6652] RIP: 0033:0x7f40d218ec29
[   98.176411][ T6652] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   98.176423][ T6652] RSP: 002b:00007f40d2f79038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   98.176433][ T6652] RAX: ffffffffffffffda RBX: 00007f40d23d5fa0 RCX: 00007f40d218ec29
[   98.176439][ T6652] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   98.176446][ T6652] RBP: 00007f40d2f79090 R08: 0000000000000000 R09: 0000000000000000
[   98.176452][ T6652] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   98.176458][ T6652] R13: 00007f40d23d6038 R14: 00007f40d23d5fa0 R15: 00007ffdb3ff7518
[   98.176472][ T6652]  </TASK>
[   98.176875][ T6654] FAULT_INJECTION: forcing a failure.
[   98.176875][ T6654] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   98.176952][ T6650] FAULT_INJECTION: forcing a failure.
[   98.176952][ T6650] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   98.179929][ T6654] CPU: 2 UID: 0 PID: 6654 Comm: syz.2.75 Not tainted syzkaller #0 PREEMPT(full) 
[   98.179945][ T6654] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   98.179951][ T6654] Call Trace:
[   98.179955][ T6654]  <TASK>
[   98.179959][ T6654]  dump_stack_lvl+0x16c/0x1f0
[   98.179979][ T6654]  should_fail_ex+0x512/0x640
[   98.179994][ T6654]  _copy_from_user+0x2e/0xd0
[   98.180008][ T6654]  kstrtouint_from_user+0xd6/0x1d0
[   98.180019][ T6654]  ? __pfx_kstrtouint_from_user+0x10/0x10
[   98.180029][ T6654]  ? __lock_acquire+0xb8a/0x1c90
[   98.180048][ T6654]  proc_fail_nth_write+0x83/0x220
[   98.180064][ T6654]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   98.180082][ T6654]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   98.180097][ T6654]  vfs_write+0x2a0/0x11d0
[   98.180112][ T6654]  ? __pfx___mutex_lock+0x10/0x10
[   98.180123][ T6654]  ? __pfx_vfs_write+0x10/0x10
[   98.180139][ T6654]  ? __fget_files+0x20e/0x3c0
[   98.180157][ T6654]  ksys_write+0x12a/0x250
[   98.180169][ T6654]  ? __pfx_ksys_write+0x10/0x10
[   98.180182][ T6654]  ? __secure_computing+0x28e/0x3b0
[   98.180199][ T6654]  do_syscall_64+0xcd/0xfa0
[   98.180210][ T6654]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   98.180221][ T6654] RIP: 0033:0x7f906258d6df
[   98.180231][ T6654] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[   98.180241][ T6654] RSP: 002b:00007f9063337030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[   98.180251][ T6654] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f906258d6df
[   98.180257][ T6654] RDX: 0000000000000001 RSI: 00007f90633370a0 RDI: 0000000000000006
[   98.180263][ T6654] RBP: 00007f9063337090 R08: 0000000000000000 R09: 0000000000000000
[   98.180269][ T6654] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
[   98.180275][ T6654] R13: 00007f90627d6038 R14: 00007f90627d5fa0 R15: 00007ffcba9d5f38
[   98.180288][ T6654]  </TASK>
[   98.398126][ T6650] CPU: 0 UID: 0 PID: 6650 Comm: syz.1.73 Not tainted syzkaller #0 PREEMPT(full) 
[   98.398142][ T6650] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   98.398148][ T6650] Call Trace:
[   98.398153][ T6650]  <TASK>
[   98.398158][ T6650]  dump_stack_lvl+0x16c/0x1f0
[   98.398179][ T6650]  should_fail_ex+0x512/0x640
[   98.398197][ T6650]  should_fail_alloc_page+0xe7/0x130
[   98.398229][ T6650]  prepare_alloc_pages+0x3c2/0x610
[   98.398252][ T6650]  ? rcu_is_watching+0x12/0xc0
[   98.398269][ T6650]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   98.398303][ T6650]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   98.398326][ T6650]  ? is_bpf_text_address+0x8a/0x1a0
[   98.398342][ T6650]  ? bpf_ksym_find+0x127/0x1c0
[   98.398366][ T6650]  ? find_held_lock+0x2b/0x80
[   98.398381][ T6650]  ? rcu_read_unlock+0x17/0x60
[   98.398400][ T6650]  __folio_alloc_noprof+0x11/0x220
[   98.398412][ T6650]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   98.398425][ T6650]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   98.398436][ T6650]  ? find_held_lock+0x2b/0x80
[   98.398445][ T6650]  ? stack_depot_save_flags+0x29/0x9c0
[   98.398458][ T6650]  ? is_bpf_text_address+0x8a/0x1a0
[   98.398469][ T6650]  pfn_to_dma_pte+0x33e/0x6a0
[   98.398482][ T6650]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   98.398492][ T6650]  ? dma_buf_map_attachment+0x161/0x5f0
[   98.398522][ T6650]  ? drm_gem_prime_import_dev+0x166/0x440
[   98.398536][ T6650]  ? virtgpu_gem_prime_import+0x16c/0x800
[   98.398549][ T6650]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   98.398562][ T6650]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   98.398575][ T6650]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   98.398585][ T6650]  ? drm_ioctl+0x5c9/0xc30
[   98.398597][ T6650]  intel_iommu_map_pages+0x8af/0x1520
[   98.398616][ T6650]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   98.398629][ T6650]  ? iommu_pgsize+0x294/0x300
[   98.398648][ T6650]  iommu_map_nosync+0x33a/0x700
[   98.398678][ T6650]  ? __pfx_iommu_map_nosync+0x10/0x10
[   98.398696][ T6650]  ? lock_acquire+0x179/0x350
[   98.398709][ T6650]  ? find_held_lock+0x2b/0x80
[   98.398719][ T6650]  ? iommu_map_sg+0x5ee/0x9d0
[   98.398729][ T6650]  iommu_map_sg+0x1c1/0x9d0
[   98.398743][ T6650]  iommu_dma_map_sg+0x92d/0xe90
[   98.398763][ T6650]  __dma_map_sg_attrs+0x293/0x590
[   98.398776][ T6650]  dma_map_sgtable+0x78/0x100
[   98.398787][ T6650]  system_heap_map_dma_buf+0x66/0xf0
[   98.398805][ T6650]  dma_buf_map_attachment+0x161/0x5f0
[   98.398821][ T6650]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   98.398837][ T6650]  drm_gem_prime_import_dev+0x166/0x440
[   98.398859][ T6650]  virtgpu_gem_prime_import+0x16c/0x800
[   98.398882][ T6650]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   98.398902][ T6650]  ? __pfx___mutex_lock+0x10/0x10
[   98.398917][ T6650]  ? find_held_lock+0x2b/0x80
[   98.398933][ T6650]  ? __fget_files+0x204/0x3c0
[   98.398958][ T6650]  ? __fget_files+0x20e/0x3c0
[   98.398997][ T6650]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   98.399021][ T6650]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   98.399048][ T6650]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   98.399075][ T6650]  drm_ioctl_kernel+0x1f4/0x3e0
[   98.399092][ T6650]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   98.399116][ T6650]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   98.399140][ T6650]  drm_ioctl+0x5c9/0xc30
[   98.399160][ T6650]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   98.399184][ T6650]  ? __pfx_drm_ioctl+0x10/0x10
[   98.399211][ T6650]  ? selinux_file_ioctl+0x180/0x270
[   98.399233][ T6650]  ? selinux_file_ioctl+0xb4/0x270
[   98.399257][ T6650]  ? __pfx_drm_ioctl+0x10/0x10
[   98.399276][ T6650]  __x64_sys_ioctl+0x18e/0x210
[   98.399297][ T6650]  do_syscall_64+0xcd/0xfa0
[   98.399316][ T6650]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   98.399333][ T6650] RIP: 0033:0x7f682638ec29
[   98.399348][ T6650] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   98.399364][ T6650] RSP: 002b:00007f68271d2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   98.399380][ T6650] RAX: ffffffffffffffda RBX: 00007f68265d5fa0 RCX: 00007f682638ec29
[   98.399391][ T6650] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   98.399402][ T6650] RBP: 00007f68271d2090 R08: 0000000000000000 R09: 0000000000000000
[   98.399413][ T6650] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   98.399423][ T6650] R13: 00007f68265d6038 R14: 00007f68265d5fa0 R15: 00007fff2221d458
[   98.399448][ T6650]  </TASK>
[   98.539368][ T6656] FAULT_INJECTION: forcing a failure.
[   98.539368][ T6656] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   98.540412][ T6659] FAULT_INJECTION: forcing a failure.
[   98.540412][ T6659] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   98.543635][ T6656] CPU: 0 UID: 0 PID: 6656 Comm: syz.3.76 Not tainted syzkaller #0 PREEMPT(full) 
[   98.543652][ T6656] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   98.543684][ T6656] Call Trace:
[   98.543689][ T6656]  <TASK>
[   98.543693][ T6656]  dump_stack_lvl+0x16c/0x1f0
[   98.543714][ T6656]  should_fail_ex+0x512/0x640
[   98.543735][ T6656]  _copy_from_user+0x2e/0xd0
[   98.543756][ T6656]  kstrtouint_from_user+0xd6/0x1d0
[   98.543767][ T6656]  ? __pfx_kstrtouint_from_user+0x10/0x10
[   98.543777][ T6656]  ? __lock_acquire+0xb8a/0x1c90
[   98.543796][ T6656]  proc_fail_nth_write+0x83/0x220
[   98.543812][ T6656]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   98.543831][ T6656]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   98.543850][ T6656]  vfs_write+0x2a0/0x11d0
[   98.543865][ T6656]  ? __pfx___mutex_lock+0x10/0x10
[   98.543877][ T6656]  ? __pfx_vfs_write+0x10/0x10
[   98.543893][ T6656]  ? __fget_files+0x20e/0x3c0
[   98.543911][ T6656]  ksys_write+0x12a/0x250
[   98.543924][ T6656]  ? __pfx_ksys_write+0x10/0x10
[   98.543937][ T6656]  ? __secure_computing+0x28e/0x3b0
[   98.543954][ T6656]  do_syscall_64+0xcd/0xfa0
[   98.543965][ T6656]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   98.543976][ T6656] RIP: 0033:0x7f800df8d6df
[   98.543986][ T6656] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[   98.543996][ T6656] RSP: 002b:00007f800edc6030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[   98.544007][ T6656] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f800df8d6df
[   98.544014][ T6656] RDX: 0000000000000001 RSI: 00007f800edc60a0 RDI: 0000000000000006
[   98.544020][ T6656] RBP: 00007f800edc6090 R08: 0000000000000000 R09: 0000000000000000
[   98.544026][ T6656] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
[   98.544033][ T6656] R13: 00007f800e1d6038 R14: 00007f800e1d5fa0 R15: 00007ffd5d624458
[   98.544046][ T6656]  </TASK>
[   98.629339][ T6659] CPU: 2 UID: 0 PID: 6659 Comm: syz.2.78 Not tainted syzkaller #0 PREEMPT(full) 
[   98.629355][ T6659] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   98.629362][ T6659] Call Trace:
[   98.629366][ T6659]  <TASK>
[   98.629371][ T6659]  dump_stack_lvl+0x16c/0x1f0
[   98.629392][ T6659]  should_fail_ex+0x512/0x640
[   98.629429][ T6659]  should_fail_alloc_page+0xe7/0x130
[   98.629448][ T6659]  prepare_alloc_pages+0x3c2/0x610
[   98.629463][ T6659]  ? rcu_is_watching+0x12/0xc0
[   98.629475][ T6659]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   98.629496][ T6659]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   98.629510][ T6659]  ? is_bpf_text_address+0x8a/0x1a0
[   98.629519][ T6659]  ? bpf_ksym_find+0x127/0x1c0
[   98.629536][ T6659]  ? find_held_lock+0x2b/0x80
[   98.629546][ T6659]  ? rcu_read_unlock+0x17/0x60
[   98.629565][ T6659]  __folio_alloc_noprof+0x11/0x220
[   98.629577][ T6659]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   98.629592][ T6659]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   98.629603][ T6659]  ? find_held_lock+0x2b/0x80
[   98.629611][ T6659]  ? stack_depot_save_flags+0x29/0x9c0
[   98.629624][ T6659]  ? is_bpf_text_address+0x8a/0x1a0
[   98.629635][ T6659]  pfn_to_dma_pte+0x33e/0x6a0
[   98.629649][ T6659]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   98.629658][ T6659]  ? dma_buf_map_attachment+0x161/0x5f0
[   98.629674][ T6659]  ? drm_gem_prime_import_dev+0x166/0x440
[   98.629688][ T6659]  ? virtgpu_gem_prime_import+0x16c/0x800
[   98.629701][ T6659]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   98.629714][ T6659]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   98.629728][ T6659]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   98.629737][ T6659]  ? drm_ioctl+0x5c9/0xc30
[   98.629761][ T6659]  intel_iommu_map_pages+0x8af/0x1520
[   98.629782][ T6659]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   98.629795][ T6659]  ? iommu_pgsize+0x294/0x300
[   98.629810][ T6659]  iommu_map_nosync+0x33a/0x700
[   98.629829][ T6659]  ? __pfx_iommu_map_nosync+0x10/0x10
[   98.629849][ T6659]  ? lock_acquire+0x179/0x350
[   98.629862][ T6659]  ? find_held_lock+0x2b/0x80
[   98.629872][ T6659]  ? iommu_map_sg+0x5ee/0x9d0
[   98.629883][ T6659]  iommu_map_sg+0x1c1/0x9d0
[   98.629896][ T6659]  iommu_dma_map_sg+0x92d/0xe90
[   98.629916][ T6659]  __dma_map_sg_attrs+0x293/0x590
[   98.629928][ T6659]  dma_map_sgtable+0x78/0x100
[   98.629939][ T6659]  system_heap_map_dma_buf+0x66/0xf0
[   98.629956][ T6659]  dma_buf_map_attachment+0x161/0x5f0
[   98.629972][ T6659]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   98.629988][ T6659]  drm_gem_prime_import_dev+0x166/0x440
[   98.630003][ T6659]  virtgpu_gem_prime_import+0x16c/0x800
[   98.630018][ T6659]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   98.630031][ T6659]  ? __pfx___mutex_lock+0x10/0x10
[   98.630041][ T6659]  ? find_held_lock+0x2b/0x80
[   98.630051][ T6659]  ? __fget_files+0x204/0x3c0
[   98.630067][ T6659]  ? __fget_files+0x20e/0x3c0
[   98.630081][ T6659]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   98.630096][ T6659]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   98.630112][ T6659]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   98.630128][ T6659]  drm_ioctl_kernel+0x1f4/0x3e0
[   98.630138][ T6659]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   98.630154][ T6659]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   98.630168][ T6659]  drm_ioctl+0x5c9/0xc30
[   98.630180][ T6659]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   98.630195][ T6659]  ? __pfx_drm_ioctl+0x10/0x10
[   98.630211][ T6659]  ? selinux_file_ioctl+0x180/0x270
[   98.630226][ T6659]  ? selinux_file_ioctl+0xb4/0x270
[   98.630240][ T6659]  ? __pfx_drm_ioctl+0x10/0x10
[   98.630251][ T6659]  __x64_sys_ioctl+0x18e/0x210
[   98.630264][ T6659]  do_syscall_64+0xcd/0xfa0
[   98.630276][ T6659]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   98.630287][ T6659] RIP: 0033:0x7f906258ec29
[   98.630297][ T6659] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   98.630307][ T6659] RSP: 002b:00007f9063337038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   98.630318][ T6659] RAX: ffffffffffffffda RBX: 00007f90627d5fa0 RCX: 00007f906258ec29
[   98.630324][ T6659] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   98.630330][ T6659] RBP: 00007f9063337090 R08: 0000000000000000 R09: 0000000000000000
[   98.630336][ T6659] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   98.630342][ T6659] R13: 00007f90627d6038 R14: 00007f90627d5fa0 R15: 00007ffcba9d5f38
[   98.630356][ T6659]  </TASK>
[   98.630743][ T6661] FAULT_INJECTION: forcing a failure.
[   98.630743][ T6661] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   98.631184][ T6666] FAULT_INJECTION: forcing a failure.
[   98.631184][ T6666] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   98.633994][ T6661] CPU: 2 UID: 0 PID: 6661 Comm: syz.0.77 Not tainted syzkaller #0 PREEMPT(full) 
[   98.634010][ T6661] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   98.634017][ T6661] Call Trace:
[   98.634022][ T6661]  <TASK>
[   98.634027][ T6661]  dump_stack_lvl+0x16c/0x1f0
[   98.634048][ T6661]  should_fail_ex+0x512/0x640
[   98.634065][ T6661]  _copy_from_user+0x2e/0xd0
[   98.634080][ T6661]  kstrtouint_from_user+0xd6/0x1d0
[   98.634091][ T6661]  ? __pfx_kstrtouint_from_user+0x10/0x10
[   98.634102][ T6661]  ? __lock_acquire+0xb8a/0x1c90
[   98.634123][ T6661]  proc_fail_nth_write+0x83/0x220
[   98.634140][ T6661]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   98.634159][ T6661]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   98.634174][ T6661]  vfs_write+0x2a0/0x11d0
[   98.634197][ T6661]  ? __pfx___mutex_lock+0x10/0x10
[   98.634215][ T6661]  ? __pfx_vfs_write+0x10/0x10
[   98.634243][ T6661]  ? __fget_files+0x20e/0x3c0
[   98.634272][ T6661]  ksys_write+0x12a/0x250
[   98.634293][ T6661]  ? __pfx_ksys_write+0x10/0x10
[   98.634315][ T6661]  ? __secure_computing+0x28e/0x3b0
[   98.634341][ T6661]  do_syscall_64+0xcd/0xfa0
[   98.634358][ T6661]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   98.634374][ T6661] RIP: 0033:0x7f40d218d6df
[   98.634389][ T6661] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[   98.634404][ T6661] RSP: 002b:00007f40d2f79030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[   98.634420][ T6661] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f40d218d6df
[   98.634430][ T6661] RDX: 0000000000000001 RSI: 00007f40d2f790a0 RDI: 0000000000000006
[   98.634440][ T6661] RBP: 00007f40d2f79090 R08: 0000000000000000 R09: 0000000000000000
[   98.634450][ T6661] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
[   98.634460][ T6661] R13: 00007f40d23d6038 R14: 00007f40d23d5fa0 R15: 00007ffdb3ff7518
[   98.634483][ T6661]  </TASK>
[   98.635156][ T6665] FAULT_INJECTION: forcing a failure.
[   98.635156][ T6665] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   98.637623][ T6666] CPU: 1 UID: 0 PID: 6666 Comm: syz.1.79 Not tainted syzkaller #0 PREEMPT(full) 
[   98.637640][ T6666] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   98.637647][ T6666] Call Trace:
[   98.637652][ T6666]  <TASK>
[   98.637657][ T6666]  dump_stack_lvl+0x16c/0x1f0
[   98.637679][ T6666]  should_fail_ex+0x512/0x640
[   98.637697][ T6666]  _copy_to_user+0x32/0xd0
[   98.637714][ T6666]  simple_read_from_buffer+0xcb/0x170
[   98.637731][ T6666]  proc_fail_nth_read+0x197/0x240
[   98.637749][ T6666]  ? __pfx_proc_fail_nth_read+0x10/0x10
[   98.637767][ T6666]  ? rw_verify_area+0xcf/0x6c0
[   98.637780][ T6666]  ? __pfx_proc_fail_nth_read+0x10/0x10
[   98.637796][ T6666]  vfs_read+0x1e4/0xcf0
[   98.637813][ T6666]  ? __pfx___mutex_lock+0x10/0x10
[   98.637825][ T6666]  ? __pfx_vfs_read+0x10/0x10
[   98.637843][ T6666]  ? __fget_files+0x20e/0x3c0
[   98.637862][ T6666]  ksys_read+0x12a/0x250
[   98.637876][ T6666]  ? __pfx_ksys_read+0x10/0x10
[   98.637896][ T6666]  ? __secure_computing+0x28e/0x3b0
[   98.637914][ T6666]  do_syscall_64+0xcd/0xfa0
[   98.637927][ T6666]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   98.637939][ T6666] RIP: 0033:0x7f682638d63c
[   98.637950][ T6666] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[   98.637976][ T6666] RSP: 002b:00007f68271d2030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[   98.637988][ T6666] RAX: ffffffffffffffda RBX: 00007f68265d5fa0 RCX: 00007f682638d63c
[   98.637995][ T6666] RDX: 000000000000000f RSI: 00007f68271d20a0 RDI: 0000000000000006
[   98.638002][ T6666] RBP: 00007f68271d2090 R08: 0000000000000000 R09: 0000000000000000
[   98.638009][ T6666] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   98.638016][ T6666] R13: 00007f68265d6038 R14: 00007f68265d5fa0 R15: 00007fff2221d458
[   98.638032][ T6666]  </TASK>
[   98.668299][ T6671] FAULT_INJECTION: forcing a failure.
[   98.668299][ T6671] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   98.672320][ T6665] CPU: 3 UID: 0 PID: 6665 Comm: syz.3.80 Not tainted syzkaller #0 PREEMPT(full) 
[   98.672359][ T6665] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   98.672369][ T6665] Call Trace:
[   98.672376][ T6665]  <TASK>
[   98.672382][ T6665]  dump_stack_lvl+0x16c/0x1f0
[   98.672413][ T6665]  should_fail_ex+0x512/0x640
[   98.672438][ T6665]  _copy_from_user+0x2e/0xd0
[   98.672462][ T6665]  kstrtouint_from_user+0xd6/0x1d0
[   98.672481][ T6665]  ? __pfx_kstrtouint_from_user+0x10/0x10
[   98.672497][ T6665]  ? __lock_acquire+0xb8a/0x1c90
[   98.672529][ T6665]  proc_fail_nth_write+0x83/0x220
[   98.672553][ T6665]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   98.672581][ T6665]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   98.672603][ T6665]  vfs_write+0x2a0/0x11d0
[   98.672627][ T6665]  ? __pfx___mutex_lock+0x10/0x10
[   98.672644][ T6665]  ? __pfx_vfs_write+0x10/0x10
[   98.672670][ T6665]  ? __fget_files+0x20e/0x3c0
[   98.672698][ T6665]  ksys_write+0x12a/0x250
[   98.672719][ T6665]  ? __pfx_ksys_write+0x10/0x10
[   98.672739][ T6665]  ? __secure_computing+0x28e/0x3b0
[   98.672766][ T6665]  do_syscall_64+0xcd/0xfa0
[   98.672782][ T6665]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   98.672799][ T6665] RIP: 0033:0x7f800df8d6df
[   98.672812][ T6665] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[   98.672827][ T6665] RSP: 002b:00007f800edc6030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[   98.672843][ T6665] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f800df8d6df
[   98.672853][ T6665] RDX: 0000000000000001 RSI: 00007f800edc60a0 RDI: 0000000000000006
[   98.672863][ T6665] RBP: 00007f800edc6090 R08: 0000000000000000 R09: 0000000000000000
[   98.672872][ T6665] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
[   98.672881][ T6665] R13: 00007f800e1d6038 R14: 00007f800e1d5fa0 R15: 00007ffd5d624458
[   98.672910][ T6665]  </TASK>
[   98.977723][ T6671] CPU: 0 UID: 0 PID: 6671 Comm: syz.0.81 Not tainted syzkaller #0 PREEMPT(full) 
[   98.977740][ T6671] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   98.977747][ T6671] Call Trace:
[   98.977752][ T6671]  <TASK>
[   98.977757][ T6671]  dump_stack_lvl+0x16c/0x1f0
[   98.977778][ T6671]  should_fail_ex+0x512/0x640
[   98.977793][ T6671]  should_fail_alloc_page+0xe7/0x130
[   98.977811][ T6671]  prepare_alloc_pages+0x3c2/0x610
[   98.977827][ T6671]  ? rcu_is_watching+0x12/0xc0
[   98.977839][ T6671]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   98.977859][ T6671]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   98.977873][ T6671]  ? is_bpf_text_address+0x8a/0x1a0
[   98.977883][ T6671]  ? bpf_ksym_find+0x127/0x1c0
[   98.977902][ T6671]  ? find_held_lock+0x2b/0x80
[   98.977913][ T6671]  ? rcu_read_unlock+0x17/0x60
[   98.977931][ T6671]  __folio_alloc_noprof+0x11/0x220
[   98.977944][ T6671]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   98.977955][ T6671]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   98.977967][ T6671]  ? find_held_lock+0x2b/0x80
[   98.977975][ T6671]  ? stack_depot_save_flags+0x29/0x9c0
[   98.977989][ T6671]  ? is_bpf_text_address+0x8a/0x1a0
[   98.978013][ T6671]  pfn_to_dma_pte+0x33e/0x6a0
[   98.978027][ T6671]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   98.978036][ T6671]  ? dma_buf_map_attachment+0x161/0x5f0
[   98.978065][ T6671]  ? drm_gem_prime_import_dev+0x166/0x440
[   98.978078][ T6671]  ? virtgpu_gem_prime_import+0x16c/0x800
[   98.978091][ T6671]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   98.978104][ T6671]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   98.978117][ T6671]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   98.978127][ T6671]  ? drm_ioctl+0x5c9/0xc30
[   98.978138][ T6671]  intel_iommu_map_pages+0x8af/0x1520
[   98.978158][ T6671]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   98.978170][ T6671]  ? iommu_pgsize+0x294/0x300
[   98.978185][ T6671]  iommu_map_nosync+0x33a/0x700
[   98.978205][ T6671]  ? __pfx_iommu_map_nosync+0x10/0x10
[   98.978220][ T6671]  ? lock_acquire+0x179/0x350
[   98.978233][ T6671]  ? find_held_lock+0x2b/0x80
[   98.978265][ T6671]  ? iommu_map_sg+0x5ee/0x9d0
[   98.978277][ T6671]  iommu_map_sg+0x1c1/0x9d0
[   98.978306][ T6671]  iommu_dma_map_sg+0x92d/0xe90
[   98.978326][ T6671]  __dma_map_sg_attrs+0x293/0x590
[   98.978338][ T6671]  dma_map_sgtable+0x78/0x100
[   98.978349][ T6671]  system_heap_map_dma_buf+0x66/0xf0
[   98.978365][ T6671]  dma_buf_map_attachment+0x161/0x5f0
[   98.978382][ T6671]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   98.978398][ T6671]  drm_gem_prime_import_dev+0x166/0x440
[   98.978413][ T6671]  virtgpu_gem_prime_import+0x16c/0x800
[   98.978427][ T6671]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   98.978440][ T6671]  ? __pfx___mutex_lock+0x10/0x10
[   98.978450][ T6671]  ? find_held_lock+0x2b/0x80
[   98.978459][ T6671]  ? __fget_files+0x204/0x3c0
[   98.978475][ T6671]  ? __fget_files+0x20e/0x3c0
[   98.978489][ T6671]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   98.978503][ T6671]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   98.978520][ T6671]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   98.978537][ T6671]  drm_ioctl_kernel+0x1f4/0x3e0
[   98.978547][ T6671]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   98.978562][ T6671]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   98.978577][ T6671]  drm_ioctl+0x5c9/0xc30
[   98.978589][ T6671]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   98.978605][ T6671]  ? __pfx_drm_ioctl+0x10/0x10
[   98.978621][ T6671]  ? selinux_file_ioctl+0x180/0x270
[   98.978636][ T6671]  ? selinux_file_ioctl+0xb4/0x270
[   98.978653][ T6671]  ? __pfx_drm_ioctl+0x10/0x10
[   98.978664][ T6671]  __x64_sys_ioctl+0x18e/0x210
[   98.978677][ T6671]  do_syscall_64+0xcd/0xfa0
[   98.978688][ T6671]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   98.978699][ T6671] RIP: 0033:0x7f40d218ec29
[   98.978708][ T6671] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   98.978718][ T6671] RSP: 002b:00007f40d2f79038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   98.978728][ T6671] RAX: ffffffffffffffda RBX: 00007f40d23d5fa0 RCX: 00007f40d218ec29
[   98.978734][ T6671] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   98.978740][ T6671] RBP: 00007f40d2f79090 R08: 0000000000000000 R09: 0000000000000000
[   98.978746][ T6671] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   98.978752][ T6671] R13: 00007f40d23d6038 R14: 00007f40d23d5fa0 R15: 00007ffdb3ff7518
[   98.978766][ T6671]  </TASK>
[   99.123451][ T6672] FAULT_INJECTION: forcing a failure.
[   99.123451][ T6672] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   99.129855][ T6672] CPU: 3 UID: 0 PID: 6672 Comm: syz.1.82 Not tainted syzkaller #0 PREEMPT(full) 
[   99.129877][ T6672] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   99.129887][ T6672] Call Trace:
[   99.129894][ T6672]  <TASK>
[   99.129901][ T6672]  dump_stack_lvl+0x16c/0x1f0
[   99.129956][ T6672]  should_fail_ex+0x512/0x640
[   99.129985][ T6672]  should_fail_alloc_page+0xe7/0x130
[   99.130013][ T6672]  prepare_alloc_pages+0x3c2/0x610
[   99.130038][ T6672]  ? rcu_is_watching+0x12/0xc0
[   99.130052][ T6672]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   99.130080][ T6672]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   99.130104][ T6672]  ? is_bpf_text_address+0x8a/0x1a0
[   99.130120][ T6672]  ? bpf_ksym_find+0x127/0x1c0
[   99.130146][ T6672]  ? find_held_lock+0x2b/0x80
[   99.130159][ T6672]  ? rcu_read_unlock+0x17/0x60
[   99.130192][ T6672]  __folio_alloc_noprof+0x11/0x220
[   99.130212][ T6672]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   99.130232][ T6672]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   99.130249][ T6672]  ? find_held_lock+0x2b/0x80
[   99.130264][ T6672]  ? stack_depot_save_flags+0x29/0x9c0
[   99.130289][ T6672]  pfn_to_dma_pte+0x33e/0x6a0
[   99.130313][ T6672]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   99.130328][ T6672]  ? dma_buf_map_attachment+0x161/0x5f0
[   99.130353][ T6672]  ? drm_gem_prime_import_dev+0x166/0x440
[   99.130373][ T6672]  ? virtgpu_gem_prime_import+0x16c/0x800
[   99.130394][ T6672]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   99.130415][ T6672]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   99.130437][ T6672]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   99.130454][ T6672]  ? drm_ioctl+0x5c9/0xc30
[   99.130471][ T6672]  intel_iommu_map_pages+0x8af/0x1520
[   99.130507][ T6672]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   99.130529][ T6672]  ? iommu_pgsize+0x294/0x300
[   99.130555][ T6672]  iommu_map_nosync+0x33a/0x700
[   99.130587][ T6672]  ? __pfx_iommu_map_nosync+0x10/0x10
[   99.130611][ T6672]  ? lock_acquire+0x179/0x350
[   99.130633][ T6672]  ? find_held_lock+0x2b/0x80
[   99.130650][ T6672]  ? iommu_map_sg+0x5ee/0x9d0
[   99.130670][ T6672]  iommu_map_sg+0x1c1/0x9d0
[   99.130689][ T6672]  iommu_dma_map_sg+0x92d/0xe90
[   99.130725][ T6672]  __dma_map_sg_attrs+0x293/0x590
[   99.130746][ T6672]  dma_map_sgtable+0x78/0x100
[   99.130765][ T6672]  system_heap_map_dma_buf+0x66/0xf0
[   99.130793][ T6672]  dma_buf_map_attachment+0x161/0x5f0
[   99.130817][ T6672]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   99.130844][ T6672]  drm_gem_prime_import_dev+0x166/0x440
[   99.130887][ T6672]  virtgpu_gem_prime_import+0x16c/0x800
[   99.130915][ T6672]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   99.130937][ T6672]  ? __pfx___mutex_lock+0x10/0x10
[   99.130954][ T6672]  ? find_held_lock+0x2b/0x80
[   99.130971][ T6672]  ? __fget_files+0x204/0x3c0
[   99.130999][ T6672]  ? __fget_files+0x20e/0x3c0
[   99.131020][ T6672]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   99.131045][ T6672]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   99.131073][ T6672]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   99.131099][ T6672]  drm_ioctl_kernel+0x1f4/0x3e0
[   99.131114][ T6672]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   99.131138][ T6672]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   99.131164][ T6672]  drm_ioctl+0x5c9/0xc30
[   99.131186][ T6672]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   99.131212][ T6672]  ? __pfx_drm_ioctl+0x10/0x10
[   99.131237][ T6672]  ? selinux_file_ioctl+0x180/0x270
[   99.131261][ T6672]  ? selinux_file_ioctl+0xb4/0x270
[   99.131286][ T6672]  ? __pfx_drm_ioctl+0x10/0x10
[   99.131305][ T6672]  __x64_sys_ioctl+0x18e/0x210
[   99.131327][ T6672]  do_syscall_64+0xcd/0xfa0
[   99.131342][ T6672]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   99.131359][ T6672] RIP: 0033:0x7f682638ec29
[   99.131374][ T6672] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   99.131390][ T6672] RSP: 002b:00007f68271d2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   99.131406][ T6672] RAX: ffffffffffffffda RBX: 00007f68265d5fa0 RCX: 00007f682638ec29
[   99.131417][ T6672] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   99.131428][ T6672] RBP: 00007f68271d2090 R08: 0000000000000000 R09: 0000000000000000
[   99.131437][ T6672] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   99.131446][ T6672] R13: 00007f68265d6038 R14: 00007f68265d5fa0 R15: 00007fff2221d458
[   99.131469][ T6672]  </TASK>
[   99.132108][ T6673] FAULT_INJECTION: forcing a failure.
[   99.132108][ T6673] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   99.132298][ T6675] FAULT_INJECTION: forcing a failure.
[   99.132298][ T6675] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   99.136134][ T6673] CPU: 3 UID: 0 PID: 6673 Comm: syz.2.83 Not tainted syzkaller #0 PREEMPT(full) 
[   99.136156][ T6673] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   99.136166][ T6673] Call Trace:
[   99.136172][ T6673]  <TASK>
[   99.136178][ T6673]  dump_stack_lvl+0x16c/0x1f0
[   99.136207][ T6673]  should_fail_ex+0x512/0x640
[   99.136228][ T6673]  _copy_from_user+0x2e/0xd0
[   99.136250][ T6673]  kstrtouint_from_user+0xd6/0x1d0
[   99.136270][ T6673]  ? __pfx_kstrtouint_from_user+0x10/0x10
[   99.136285][ T6673]  ? __lock_acquire+0xb8a/0x1c90
[   99.136312][ T6673]  proc_fail_nth_write+0x83/0x220
[   99.136336][ T6673]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   99.136364][ T6673]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   99.136382][ T6673]  vfs_write+0x2a0/0x11d0
[   99.136406][ T6673]  ? __pfx___mutex_lock+0x10/0x10
[   99.136423][ T6673]  ? __pfx_vfs_write+0x10/0x10
[   99.136449][ T6673]  ? __fget_files+0x20e/0x3c0
[   99.136477][ T6673]  ksys_write+0x12a/0x250
[   99.136492][ T6673]  ? __pfx_ksys_write+0x10/0x10
[   99.136511][ T6673]  ? __secure_computing+0x28e/0x3b0
[   99.136535][ T6673]  do_syscall_64+0xcd/0xfa0
[   99.136552][ T6673]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   99.136568][ T6673] RIP: 0033:0x7f906258d6df
[   99.136581][ T6673] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[   99.136594][ T6673] RSP: 002b:00007f9063337030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[   99.136605][ T6673] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f906258d6df
[   99.136615][ T6673] RDX: 0000000000000001 RSI: 00007f90633370a0 RDI: 0000000000000006
[   99.136624][ T6673] RBP: 00007f9063337090 R08: 0000000000000000 R09: 0000000000000000
[   99.136634][ T6673] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
[   99.136643][ T6673] R13: 00007f90627d6038 R14: 00007f90627d5fa0 R15: 00007ffcba9d5f38
[   99.136665][ T6673]  </TASK>
[   99.150040][ T6677] FAULT_INJECTION: forcing a failure.
[   99.150040][ T6677] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   99.159267][ T6675] CPU: 2 UID: 0 PID: 6675 Comm: syz.3.84 Not tainted syzkaller #0 PREEMPT(full) 
[   99.159290][ T6675] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   99.159300][ T6675] Call Trace:
[   99.159306][ T6675]  <TASK>
[   99.159311][ T6675]  dump_stack_lvl+0x16c/0x1f0
[   99.159342][ T6675]  should_fail_ex+0x512/0x640
[   99.159367][ T6675]  _copy_from_user+0x2e/0xd0
[   99.159390][ T6675]  kstrtouint_from_user+0xd6/0x1d0
[   99.159406][ T6675]  ? __pfx_kstrtouint_from_user+0x10/0x10
[   99.159422][ T6675]  ? __lock_acquire+0xb8a/0x1c90
[   99.159454][ T6675]  proc_fail_nth_write+0x83/0x220
[   99.159479][ T6675]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   99.159507][ T6675]  ? __pfx_proc_fail_nth_write+0x10/0x10
[   99.159529][ T6675]  vfs_write+0x2a0/0x11d0
[   99.159554][ T6675]  ? __pfx___mutex_lock+0x10/0x10
[   99.159570][ T6675]  ? __pfx_vfs_write+0x10/0x10
[   99.159598][ T6675]  ? __fget_files+0x20e/0x3c0
[   99.159633][ T6675]  ksys_write+0x12a/0x250
[   99.159675][ T6675]  ? __pfx_ksys_write+0x10/0x10
[   99.159697][ T6675]  ? __secure_computing+0x28e/0x3b0
[   99.159723][ T6675]  do_syscall_64+0xcd/0xfa0
[   99.159740][ T6675]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   99.159758][ T6675] RIP: 0033:0x7f800df8d6df
[   99.159771][ T6675] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[   99.159787][ T6675] RSP: 002b:00007f800edc6030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[   99.159802][ T6675] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f800df8d6df
[   99.159813][ T6675] RDX: 0000000000000001 RSI: 00007f800edc60a0 RDI: 0000000000000006
[   99.159822][ T6675] RBP: 00007f800edc6090 R08: 0000000000000000 R09: 0000000000000000
[   99.159831][ T6675] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
[   99.159840][ T6675] R13: 00007f800e1d6038 R14: 00007f800e1d5fa0 R15: 00007ffd5d624458
[   99.159863][ T6675]  </TASK>
[   99.442644][ T6677] CPU: 0 UID: 0 PID: 6677 Comm: syz.0.85 Not tainted syzkaller #0 PREEMPT(full) 
[   99.442660][ T6677] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   99.442666][ T6677] Call Trace:
[   99.442671][ T6677]  <TASK>
[   99.442676][ T6677]  dump_stack_lvl+0x16c/0x1f0
[   99.442696][ T6677]  should_fail_ex+0x512/0x640
[   99.442712][ T6677]  should_fail_alloc_page+0xe7/0x130
[   99.442729][ T6677]  prepare_alloc_pages+0x3c2/0x610
[   99.442745][ T6677]  ? rcu_is_watching+0x12/0xc0
[   99.442757][ T6677]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   99.442777][ T6677]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   99.442791][ T6677]  ? is_bpf_text_address+0x8a/0x1a0
[   99.442801][ T6677]  ? bpf_ksym_find+0x127/0x1c0
[   99.442819][ T6677]  ? find_held_lock+0x2b/0x80
[   99.442837][ T6677]  ? rcu_read_unlock+0x17/0x60
[   99.442865][ T6677]  __folio_alloc_noprof+0x11/0x220
[   99.442884][ T6677]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   99.442897][ T6677]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   99.442907][ T6677]  ? find_held_lock+0x2b/0x80
[   99.442916][ T6677]  ? stack_depot_save_flags+0x29/0x9c0
[   99.442930][ T6677]  ? is_bpf_text_address+0x8a/0x1a0
[   99.442944][ T6677]  pfn_to_dma_pte+0x33e/0x6a0
[   99.442966][ T6677]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   99.442980][ T6677]  ? dma_buf_map_attachment+0x161/0x5f0
[   99.442997][ T6677]  ? drm_gem_prime_import_dev+0x166/0x440
[   99.443010][ T6677]  ? virtgpu_gem_prime_import+0x16c/0x800
[   99.443024][ T6677]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   99.443060][ T6677]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   99.443084][ T6677]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   99.443103][ T6677]  ? drm_ioctl+0x5c9/0xc30
[   99.443115][ T6677]  intel_iommu_map_pages+0x8af/0x1520
[   99.443143][ T6677]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   99.443163][ T6677]  ? iommu_pgsize+0x294/0x300
[   99.443187][ T6677]  iommu_map_nosync+0x33a/0x700
[   99.443213][ T6677]  ? __pfx_iommu_map_nosync+0x10/0x10
[   99.443235][ T6677]  ? lock_acquire+0x179/0x350
[   99.443256][ T6677]  ? find_held_lock+0x2b/0x80
[   99.443271][ T6677]  ? iommu_map_sg+0x5ee/0x9d0
[   99.443289][ T6677]  iommu_map_sg+0x1c1/0x9d0
[   99.443308][ T6677]  iommu_dma_map_sg+0x92d/0xe90
[   99.443338][ T6677]  __dma_map_sg_attrs+0x293/0x590
[   99.443356][ T6677]  dma_map_sgtable+0x78/0x100
[   99.443372][ T6677]  system_heap_map_dma_buf+0x66/0xf0
[   99.443398][ T6677]  dma_buf_map_attachment+0x161/0x5f0
[   99.443418][ T6677]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   99.443443][ T6677]  drm_gem_prime_import_dev+0x166/0x440
[   99.443466][ T6677]  virtgpu_gem_prime_import+0x16c/0x800
[   99.443488][ T6677]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   99.443504][ T6677]  ? __pfx___mutex_lock+0x10/0x10
[   99.443518][ T6677]  ? find_held_lock+0x2b/0x80
[   99.443533][ T6677]  ? __fget_files+0x204/0x3c0
[   99.443557][ T6677]  ? __fget_files+0x20e/0x3c0
[   99.443579][ T6677]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   99.443598][ T6677]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   99.443621][ T6677]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   99.443674][ T6677]  drm_ioctl_kernel+0x1f4/0x3e0
[   99.443690][ T6677]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   99.443714][ T6677]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   99.443739][ T6677]  drm_ioctl+0x5c9/0xc30
[   99.443759][ T6677]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   99.443778][ T6677]  ? __pfx_drm_ioctl+0x10/0x10
[   99.443803][ T6677]  ? selinux_file_ioctl+0x180/0x270
[   99.443826][ T6677]  ? selinux_file_ioctl+0xb4/0x270
[   99.443848][ T6677]  ? __pfx_drm_ioctl+0x10/0x10
[   99.443865][ T6677]  __x64_sys_ioctl+0x18e/0x210
[   99.443881][ T6677]  do_syscall_64+0xcd/0xfa0
[   99.443898][ T6677]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   99.443914][ T6677] RIP: 0033:0x7f40d218ec29
[   99.443927][ T6677] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   99.443943][ T6677] RSP: 002b:00007f40d2f79038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   99.443959][ T6677] RAX: ffffffffffffffda RBX: 00007f40d23d5fa0 RCX: 00007f40d218ec29
[   99.443968][ T6677] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   99.443975][ T6677] RBP: 00007f40d2f79090 R08: 0000000000000000 R09: 0000000000000000
[   99.443984][ T6677] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   99.443993][ T6677] R13: 00007f40d23d6038 R14: 00007f40d23d5fa0 R15: 00007ffdb3ff7518
[   99.444015][ T6677]  </TASK>
[   99.445400][ T6679] FAULT_INJECTION: forcing a failure.
[   99.445400][ T6679] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   99.617138][ T6679] CPU: 2 UID: 0 PID: 6679 Comm: syz.2.86 Not tainted syzkaller #0 PREEMPT(full) 
[   99.617157][ T6679] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   99.617164][ T6679] Call Trace:
[   99.617171][ T6679]  <TASK>
[   99.617177][ T6679]  dump_stack_lvl+0x16c/0x1f0
[   99.617202][ T6679]  should_fail_ex+0x512/0x640
[   99.617227][ T6679]  should_fail_alloc_page+0xe7/0x130
[   99.617255][ T6679]  prepare_alloc_pages+0x3c2/0x610
[   99.617281][ T6679]  ? rcu_is_watching+0x12/0xc0
[   99.617322][ T6679]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   99.617358][ T6679]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   99.617382][ T6679]  ? is_bpf_text_address+0x8a/0x1a0
[   99.617397][ T6679]  ? bpf_ksym_find+0x127/0x1c0
[   99.617414][ T6679]  ? find_held_lock+0x2b/0x80
[   99.617426][ T6679]  ? rcu_read_unlock+0x17/0x60
[   99.617512][ T6679]  __folio_alloc_noprof+0x11/0x220
[   99.617528][ T6679]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   99.617541][ T6679]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   99.617551][ T6679]  ? find_held_lock+0x2b/0x80
[   99.617562][ T6679]  ? stack_depot_save_flags+0x29/0x9c0
[   99.617583][ T6679]  ? is_bpf_text_address+0x8a/0x1a0
[   99.617596][ T6679]  pfn_to_dma_pte+0x33e/0x6a0
[   99.617610][ T6679]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   99.617619][ T6679]  ? dma_buf_map_attachment+0x161/0x5f0
[   99.617634][ T6679]  ? drm_gem_prime_import_dev+0x166/0x440
[   99.617655][ T6679]  ? virtgpu_gem_prime_import+0x16c/0x800
[   99.617670][ T6679]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   99.617687][ T6679]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   99.617707][ T6679]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   99.617721][ T6679]  ? drm_ioctl+0x5c9/0xc30
[   99.617738][ T6679]  intel_iommu_map_pages+0x8af/0x1520
[   99.617770][ T6679]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   99.617790][ T6679]  ? iommu_pgsize+0x294/0x300
[   99.617815][ T6679]  iommu_map_nosync+0x33a/0x700
[   99.617847][ T6679]  ? __pfx_iommu_map_nosync+0x10/0x10
[   99.617870][ T6679]  ? lock_acquire+0x179/0x350
[   99.617892][ T6679]  ? find_held_lock+0x2b/0x80
[   99.617908][ T6679]  ? iommu_map_sg+0x5ee/0x9d0
[   99.617927][ T6679]  iommu_map_sg+0x1c1/0x9d0
[   99.617955][ T6679]  iommu_dma_map_sg+0x92d/0xe90
[   99.617990][ T6679]  __dma_map_sg_attrs+0x293/0x590
[   99.618012][ T6679]  dma_map_sgtable+0x78/0x100
[   99.618031][ T6679]  system_heap_map_dma_buf+0x66/0xf0
[   99.618062][ T6679]  dma_buf_map_attachment+0x161/0x5f0
[   99.618127][ T6679]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   99.618163][ T6679]  drm_gem_prime_import_dev+0x166/0x440
[   99.618190][ T6679]  virtgpu_gem_prime_import+0x16c/0x800
[   99.618212][ T6679]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   99.618232][ T6679]  ? __pfx___mutex_lock+0x10/0x10
[   99.618247][ T6679]  ? find_held_lock+0x2b/0x80
[   99.618270][ T6679]  ? __fget_files+0x204/0x3c0
[   99.618296][ T6679]  ? __fget_files+0x20e/0x3c0
[   99.618319][ T6679]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   99.618342][ T6679]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   99.618370][ T6679]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   99.618397][ T6679]  drm_ioctl_kernel+0x1f4/0x3e0
[   99.618414][ T6679]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   99.618439][ T6679]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   99.618466][ T6679]  drm_ioctl+0x5c9/0xc30
[   99.618487][ T6679]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   99.618513][ T6679]  ? __pfx_drm_ioctl+0x10/0x10
[   99.618541][ T6679]  ? selinux_file_ioctl+0x180/0x270
[   99.618565][ T6679]  ? selinux_file_ioctl+0xb4/0x270
[   99.618588][ T6679]  ? __pfx_drm_ioctl+0x10/0x10
[   99.618617][ T6679]  __x64_sys_ioctl+0x18e/0x210
[   99.618642][ T6679]  do_syscall_64+0xcd/0xfa0
[   99.618663][ T6679]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   99.618681][ T6679] RIP: 0033:0x7f906258ec29
[   99.618695][ T6679] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   99.618705][ T6679] RSP: 002b:00007f9063337038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   99.618716][ T6679] RAX: ffffffffffffffda RBX: 00007f90627d5fa0 RCX: 00007f906258ec29
[   99.618722][ T6679] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   99.618729][ T6679] RBP: 00007f9063337090 R08: 0000000000000000 R09: 0000000000000000
[   99.618735][ T6679] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   99.618741][ T6679] R13: 00007f90627d6038 R14: 00007f90627d5fa0 R15: 00007ffcba9d5f38
[   99.618755][ T6679]  </TASK>
[   99.782440][ T6681] FAULT_INJECTION: forcing a failure.
[   99.782440][ T6681] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   99.787286][ T6681] CPU: 3 UID: 0 PID: 6681 Comm: syz.1.87 Not tainted syzkaller #0 PREEMPT(full) 
[   99.787309][ T6681] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   99.787319][ T6681] Call Trace:
[   99.787325][ T6681]  <TASK>
[   99.787332][ T6681]  dump_stack_lvl+0x16c/0x1f0
[   99.787362][ T6681]  should_fail_ex+0x512/0x640
[   99.787386][ T6681]  should_fail_alloc_page+0xe7/0x130
[   99.787412][ T6681]  prepare_alloc_pages+0x3c2/0x610
[   99.787436][ T6681]  ? rcu_is_watching+0x12/0xc0
[   99.787454][ T6681]  __alloc_frozen_pages_noprof+0x18b/0x2470
[   99.787486][ T6681]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[   99.787508][ T6681]  ? is_bpf_text_address+0x8a/0x1a0
[   99.787522][ T6681]  ? bpf_ksym_find+0x127/0x1c0
[   99.787546][ T6681]  ? find_held_lock+0x2b/0x80
[   99.787561][ T6681]  ? rcu_read_unlock+0x17/0x60
[   99.787591][ T6681]  __folio_alloc_noprof+0x11/0x220
[   99.787609][ T6681]  iommu_alloc_pages_node_sz+0x122/0x3c0
[   99.787626][ T6681]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[   99.787668][ T6681]  ? find_held_lock+0x2b/0x80
[   99.787684][ T6681]  ? stack_depot_save_flags+0x29/0x9c0
[   99.787704][ T6681]  ? is_bpf_text_address+0x8a/0x1a0
[   99.787721][ T6681]  pfn_to_dma_pte+0x33e/0x6a0
[   99.787742][ T6681]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[   99.787756][ T6681]  ? dma_buf_map_attachment+0x161/0x5f0
[   99.787778][ T6681]  ? drm_gem_prime_import_dev+0x166/0x440
[   99.787798][ T6681]  ? virtgpu_gem_prime_import+0x16c/0x800
[   99.787818][ T6681]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   99.787837][ T6681]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   99.787857][ T6681]  ? drm_ioctl_kernel+0x1f4/0x3e0
[   99.787872][ T6681]  ? drm_ioctl+0x5c9/0xc30
[   99.787890][ T6681]  intel_iommu_map_pages+0x8af/0x1520
[   99.787922][ T6681]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[   99.787942][ T6681]  ? iommu_pgsize+0x294/0x300
[   99.787964][ T6681]  iommu_map_nosync+0x33a/0x700
[   99.787995][ T6681]  ? __pfx_iommu_map_nosync+0x10/0x10
[   99.788018][ T6681]  ? lock_acquire+0x179/0x350
[   99.788052][ T6681]  ? find_held_lock+0x2b/0x80
[   99.788081][ T6681]  ? iommu_map_sg+0x5ee/0x9d0
[   99.788099][ T6681]  iommu_map_sg+0x1c1/0x9d0
[   99.788120][ T6681]  iommu_dma_map_sg+0x92d/0xe90
[   99.788151][ T6681]  __dma_map_sg_attrs+0x293/0x590
[   99.788171][ T6681]  dma_map_sgtable+0x78/0x100
[   99.788187][ T6681]  system_heap_map_dma_buf+0x66/0xf0
[   99.788211][ T6681]  dma_buf_map_attachment+0x161/0x5f0
[   99.788236][ T6681]  dma_buf_map_attachment_unlocked+0x9e/0x150
[   99.788260][ T6681]  drm_gem_prime_import_dev+0x166/0x440
[   99.788284][ T6681]  virtgpu_gem_prime_import+0x16c/0x800
[   99.788319][ T6681]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   99.788339][ T6681]  ? __pfx___mutex_lock+0x10/0x10
[   99.788354][ T6681]  ? find_held_lock+0x2b/0x80
[   99.788369][ T6681]  ? __fget_files+0x204/0x3c0
[   99.788394][ T6681]  ? __fget_files+0x20e/0x3c0
[   99.788429][ T6681]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[   99.788450][ T6681]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[   99.788475][ T6681]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[   99.788499][ T6681]  drm_ioctl_kernel+0x1f4/0x3e0
[   99.788514][ T6681]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   99.788537][ T6681]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[   99.788560][ T6681]  drm_ioctl+0x5c9/0xc30
[   99.788579][ T6681]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[   99.788601][ T6681]  ? __pfx_drm_ioctl+0x10/0x10
[   99.788627][ T6681]  ? selinux_file_ioctl+0x180/0x270
[   99.788649][ T6681]  ? selinux_file_ioctl+0xb4/0x270
[   99.788676][ T6681]  ? __pfx_drm_ioctl+0x10/0x10
[   99.788692][ T6681]  __x64_sys_ioctl+0x18e/0x210
[   99.788712][ T6681]  do_syscall_64+0xcd/0xfa0
[   99.788729][ T6681]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   99.788744][ T6681] RIP: 0033:0x7f682638ec29
[   99.788758][ T6681] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   99.788772][ T6681] RSP: 002b:00007f68271d2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   99.788787][ T6681] RAX: ffffffffffffffda RBX: 00007f68265d5fa0 RCX: 00007f682638ec29
[   99.788797][ T6681] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[   99.788806][ T6681] RBP: 00007f68271d2090 R08: 0000000000000000 R09: 0000000000000000
[   99.788815][ T6681] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   99.788824][ T6681] R13: 00007f68265d6038 R14: 00007f68265d5fa0 R15: 00007fff2221d458
[   99.788846][ T6681]  </TASK>
[   99.948469][ T6683] FAULT_INJECTION: forcing a failure.
[   99.948469][ T6683] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   99.948646][ T6685] FAULT_INJECTION: forcing a failure.
[   99.948646][ T6685] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   99.953218][ T6683] CPU: 3 UID: 0 PID: 6683 Comm: syz.3.88 Not tainted syzkaller #0 PREEMPT(full) 
[   99.953244][ T6683] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   99.953256][ T6683] Call Trace:
[   99.953262][ T6683]  <TASK>
[   99.953269][ T6683]  dump_stack_lvl+0x16c/0x1f0
[   99.953299][ T6683]  should_fail_ex+0x512/0x640
[   99.953326][ T6683]  _copy_to_user+0x32/0xd0
[   99.953354][ T6683]  simple_read_from_buffer+0xcb/0x170
[   99.953380][ T6683]  proc_fail_nth_read+0x197/0x240
[   99.953405][ T6683]  ? __pfx_proc_fail_nth_read+0x10/0x10
[   99.953431][ T6683]  ? rw_verify_area+0xcf/0x6c0
[   99.953451][ T6683]  ? __pfx_proc_fail_nth_read+0x10/0x10
[   99.953478][ T6683]  vfs_read+0x1e4/0xcf0
[   99.953501][ T6683]  ? __pfx___mutex_lock+0x10/0x10
[   99.953517][ T6683]  ? __pfx_vfs_read+0x10/0x10
[   99.953545][ T6683]  ? __fget_files+0x20e/0x3c0
[   99.953577][ T6683]  ksys_read+0x12a/0x250
[   99.953599][ T6683]  ? __pfx_ksys_read+0x10/0x10
[   99.953619][ T6683]  ? __secure_computing+0x28e/0x3b0
[   99.953644][ T6683]  do_syscall_64+0xcd/0xfa0
[   99.953663][ T6683]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   99.953682][ T6683] RIP: 0033:0x7f800df8d63c
[   99.953697][ T6683] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[   99.953713][ T6683] RSP: 002b:00007f800edc6030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[   99.953728][ T6683] RAX: ffffffffffffffda RBX: 00007f800e1d5fa0 RCX: 00007f800df8d63c
[   99.953738][ T6683] RDX: 000000000000000f RSI: 00007f800edc60a0 RDI: 0000000000000006
[   99.953747][ T6683] RBP: 00007f800edc6090 R08: 0000000000000000 R09: 0000000000000000
[   99.953756][ T6683] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   99.953767][ T6683] R13: 00007f800e1d6038 R14: 00007f800e1d5fa0 R15: 00007ffd5d624458
[   99.953793][ T6683]  </TASK>
[  100.018189][ T6685] CPU: 1 UID: 0 PID: 6685 Comm: syz.0.89 Not tainted syzkaller #0 PREEMPT(full) 
[  100.018204][ T6685] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  100.018211][ T6685] Call Trace:
[  100.018216][ T6685]  <TASK>
[  100.018221][ T6685]  dump_stack_lvl+0x16c/0x1f0
[  100.018242][ T6685]  should_fail_ex+0x512/0x640
[  100.018262][ T6685]  should_fail_alloc_page+0xe7/0x130
[  100.018279][ T6685]  prepare_alloc_pages+0x3c2/0x610
[  100.018295][ T6685]  ? rcu_is_watching+0x12/0xc0
[  100.018307][ T6685]  __alloc_frozen_pages_noprof+0x18b/0x2470
[  100.018327][ T6685]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[  100.018341][ T6685]  ? is_bpf_text_address+0x8a/0x1a0
[  100.018351][ T6685]  ? bpf_ksym_find+0x127/0x1c0
[  100.018366][ T6685]  ? find_held_lock+0x2b/0x80
[  100.018376][ T6685]  ? rcu_read_unlock+0x17/0x60
[  100.018395][ T6685]  __folio_alloc_noprof+0x11/0x220
[  100.018407][ T6685]  iommu_alloc_pages_node_sz+0x122/0x3c0
[  100.018418][ T6685]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[  100.018429][ T6685]  ? find_held_lock+0x2b/0x80
[  100.018438][ T6685]  ? stack_depot_save_flags+0x29/0x9c0
[  100.018451][ T6685]  ? is_bpf_text_address+0x8a/0x1a0
[  100.018461][ T6685]  pfn_to_dma_pte+0x33e/0x6a0
[  100.018475][ T6685]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[  100.018484][ T6685]  ? dma_buf_map_attachment+0x161/0x5f0
[  100.018500][ T6685]  ? drm_gem_prime_import_dev+0x166/0x440
[  100.018514][ T6685]  ? virtgpu_gem_prime_import+0x16c/0x800
[  100.018527][ T6685]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[  100.018540][ T6685]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[  100.018553][ T6685]  ? drm_ioctl_kernel+0x1f4/0x3e0
[  100.018562][ T6685]  ? drm_ioctl+0x5c9/0xc30
[  100.018577][ T6685]  intel_iommu_map_pages+0x8af/0x1520
[  100.018597][ T6685]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[  100.018609][ T6685]  ? iommu_pgsize+0x294/0x300
[  100.018624][ T6685]  iommu_map_nosync+0x33a/0x700
[  100.018643][ T6685]  ? __pfx_iommu_map_nosync+0x10/0x10
[  100.018658][ T6685]  ? lock_acquire+0x179/0x350
[  100.018672][ T6685]  ? find_held_lock+0x2b/0x80
[  100.018681][ T6685]  ? iommu_map_sg+0x5ee/0x9d0
[  100.018692][ T6685]  iommu_map_sg+0x1c1/0x9d0
[  100.018705][ T6685]  iommu_dma_map_sg+0x92d/0xe90
[  100.018725][ T6685]  __dma_map_sg_attrs+0x293/0x590
[  100.018749][ T6685]  dma_map_sgtable+0x78/0x100
[  100.018761][ T6685]  system_heap_map_dma_buf+0x66/0xf0
[  100.018778][ T6685]  dma_buf_map_attachment+0x161/0x5f0
[  100.018795][ T6685]  dma_buf_map_attachment_unlocked+0x9e/0x150
[  100.018811][ T6685]  drm_gem_prime_import_dev+0x166/0x440
[  100.018826][ T6685]  virtgpu_gem_prime_import+0x16c/0x800
[  100.018840][ T6685]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[  100.018853][ T6685]  ? __pfx___mutex_lock+0x10/0x10
[  100.018864][ T6685]  ? find_held_lock+0x2b/0x80
[  100.018873][ T6685]  ? __fget_files+0x204/0x3c0
[  100.018889][ T6685]  ? __fget_files+0x20e/0x3c0
[  100.018903][ T6685]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[  100.018917][ T6685]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[  100.018934][ T6685]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[  100.018949][ T6685]  drm_ioctl_kernel+0x1f4/0x3e0
[  100.018959][ T6685]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[  100.018974][ T6685]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[  100.018989][ T6685]  drm_ioctl+0x5c9/0xc30
[  100.019001][ T6685]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[  100.019017][ T6685]  ? __pfx_drm_ioctl+0x10/0x10
[  100.019033][ T6685]  ? selinux_file_ioctl+0x180/0x270
[  100.019047][ T6685]  ? selinux_file_ioctl+0xb4/0x270
[  100.019062][ T6685]  ? __pfx_drm_ioctl+0x10/0x10
[  100.019073][ T6685]  __x64_sys_ioctl+0x18e/0x210
[  100.019086][ T6685]  do_syscall_64+0xcd/0xfa0
[  100.019097][ T6685]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  100.019108][ T6685] RIP: 0033:0x7f40d218ec29
[  100.019118][ T6685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  100.019128][ T6685] RSP: 002b:00007f40d2f79038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  100.019138][ T6685] RAX: ffffffffffffffda RBX: 00007f40d23d5fa0 RCX: 00007f40d218ec29
[  100.019144][ T6685] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[  100.019150][ T6685] RBP: 00007f40d2f79090 R08: 0000000000000000 R09: 0000000000000000
[  100.019156][ T6685] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[  100.019162][ T6685] R13: 00007f40d23d6038 R14: 00007f40d23d5fa0 R15: 00007ffdb3ff7518
[  100.019176][ T6685]  </TASK>
[  100.174471][ T6687] FAULT_INJECTION: forcing a failure.
[  100.174471][ T6687] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[  100.182647][ T6687] CPU: 2 UID: 0 PID: 6687 Comm: syz.2.90 Not tainted syzkaller #0 PREEMPT(full) 
[  100.182671][ T6687] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  100.182681][ T6687] Call Trace:
[  100.182688][ T6687]  <TASK>
[  100.182695][ T6687]  dump_stack_lvl+0x16c/0x1f0
[  100.182727][ T6687]  should_fail_ex+0x512/0x640
[  100.182753][ T6687]  should_fail_alloc_page+0xe7/0x130
[  100.182781][ T6687]  prepare_alloc_pages+0x3c2/0x610
[  100.182806][ T6687]  ? rcu_is_watching+0x12/0xc0
[  100.182824][ T6687]  __alloc_frozen_pages_noprof+0x18b/0x2470
[  100.182858][ T6687]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[  100.182883][ T6687]  ? is_bpf_text_address+0x8a/0x1a0
[  100.182898][ T6687]  ? bpf_ksym_find+0x127/0x1c0
[  100.182923][ T6687]  ? find_held_lock+0x2b/0x80
[  100.182940][ T6687]  ? rcu_read_unlock+0x17/0x60
[  100.182971][ T6687]  __folio_alloc_noprof+0x11/0x220
[  100.182992][ T6687]  iommu_alloc_pages_node_sz+0x122/0x3c0
[  100.183011][ T6687]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[  100.183028][ T6687]  ? find_held_lock+0x2b/0x80
[  100.183042][ T6687]  ? stack_depot_save_flags+0x29/0x9c0
[  100.183065][ T6687]  ? is_bpf_text_address+0x8a/0x1a0
[  100.183084][ T6687]  pfn_to_dma_pte+0x33e/0x6a0
[  100.183108][ T6687]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[  100.183123][ T6687]  ? dma_buf_map_attachment+0x161/0x5f0
[  100.183148][ T6687]  ? drm_gem_prime_import_dev+0x166/0x440
2025/10/21 16:38:31 executed programs: 84
[  100.183170][ T6687]  ? virtgpu_gem_prime_import+0x16c/0x800
[  100.183192][ T6687]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[  100.183214][ T6687]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[  100.183236][ T6687]  ? drm_ioctl_kernel+0x1f4/0x3e0
[  100.183253][ T6687]  ? drm_ioctl+0x5c9/0xc30
[  100.183271][ T6687]  intel_iommu_map_pages+0x8af/0x1520
[  100.183307][ T6687]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[  100.183327][ T6687]  ? iommu_pgsize+0x294/0x300
[  100.183352][ T6687]  iommu_map_nosync+0x33a/0x700
[  100.183383][ T6687]  ? __pfx_iommu_map_nosync+0x10/0x10
[  100.183408][ T6687]  ? lock_acquire+0x179/0x350
[  100.183430][ T6687]  ? find_held_lock+0x2b/0x80
[  100.183446][ T6687]  ? iommu_map_sg+0x5ee/0x9d0
[  100.183464][ T6687]  iommu_map_sg+0x1c1/0x9d0
[  100.183487][ T6687]  iommu_dma_map_sg+0x92d/0xe90
[  100.183519][ T6687]  __dma_map_sg_attrs+0x293/0x590
[  100.183538][ T6687]  dma_map_sgtable+0x78/0x100
[  100.183557][ T6687]  system_heap_map_dma_buf+0x66/0xf0
[  100.183583][ T6687]  dma_buf_map_attachment+0x161/0x5f0
[  100.183613][ T6687]  dma_buf_map_attachment_unlocked+0x9e/0x150
[  100.183662][ T6687]  drm_gem_prime_import_dev+0x166/0x440
[  100.183732][ T6687]  virtgpu_gem_prime_import+0x16c/0x800
[  100.183757][ T6687]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[  100.183776][ T6687]  ? __pfx___mutex_lock+0x10/0x10
[  100.183791][ T6687]  ? find_held_lock+0x2b/0x80
[  100.183807][ T6687]  ? __fget_files+0x204/0x3c0
[  100.183835][ T6687]  ? __fget_files+0x20e/0x3c0
[  100.183862][ T6687]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[  100.183887][ T6687]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[  100.183913][ T6687]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[  100.183938][ T6687]  drm_ioctl_kernel+0x1f4/0x3e0
[  100.183953][ T6687]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[  100.183977][ T6687]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[  100.184003][ T6687]  drm_ioctl+0x5c9/0xc30
[  100.184029][ T6687]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[  100.184054][ T6687]  ? __pfx_drm_ioctl+0x10/0x10
[  100.184081][ T6687]  ? selinux_file_ioctl+0x180/0x270
[  100.184104][ T6687]  ? selinux_file_ioctl+0xb4/0x270
[  100.184128][ T6687]  ? __pfx_drm_ioctl+0x10/0x10
[  100.184145][ T6687]  __x64_sys_ioctl+0x18e/0x210
[  100.184166][ T6687]  do_syscall_64+0xcd/0xfa0
[  100.184185][ T6687]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  100.184202][ T6687] RIP: 0033:0x7f906258ec29
[  100.184216][ T6687] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  100.184232][ T6687] RSP: 002b:00007f9063337038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  100.184247][ T6687] RAX: ffffffffffffffda RBX: 00007f90627d5fa0 RCX: 00007f906258ec29
[  100.184259][ T6687] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[  100.184268][ T6687] RBP: 00007f9063337090 R08: 0000000000000000 R09: 0000000000000000
[  100.184277][ T6687] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[  100.184288][ T6687] R13: 00007f90627d6038 R14: 00007f90627d5fa0 R15: 00007ffcba9d5f38
[  100.184312][ T6687]  </TASK>
[  100.184676][ T6690] FAULT_INJECTION: forcing a failure.
[  100.184676][ T6690] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[  100.340403][ T6690] CPU: 1 UID: 0 PID: 6690 Comm: syz.3.91 Not tainted syzkaller #0 PREEMPT(full) 
[  100.340425][ T6690] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  100.340433][ T6690] Call Trace:
[  100.340438][ T6690]  <TASK>
[  100.340443][ T6690]  dump_stack_lvl+0x16c/0x1f0
[  100.340466][ T6690]  should_fail_ex+0x512/0x640
[  100.340483][ T6690]  should_fail_alloc_page+0xe7/0x130
[  100.340501][ T6690]  prepare_alloc_pages+0x3c2/0x610
[  100.340517][ T6690]  ? rcu_is_watching+0x12/0xc0
[  100.340530][ T6690]  __alloc_frozen_pages_noprof+0x18b/0x2470
[  100.340551][ T6690]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[  100.340566][ T6690]  ? is_bpf_text_address+0x8a/0x1a0
[  100.340577][ T6690]  ? bpf_ksym_find+0x127/0x1c0
[  100.340592][ T6690]  ? find_held_lock+0x2b/0x80
[  100.340606][ T6690]  ? rcu_read_unlock+0x17/0x60
[  100.340627][ T6690]  __folio_alloc_noprof+0x11/0x220
[  100.340640][ T6690]  iommu_alloc_pages_node_sz+0x122/0x3c0
[  100.340652][ T6690]  ? __pfx_iommu_alloc_pages_node_sz+0x10/0x10
[  100.340663][ T6690]  ? find_held_lock+0x2b/0x80
[  100.340673][ T6690]  ? stack_depot_save_flags+0x29/0x9c0
[  100.340687][ T6690]  ? is_bpf_text_address+0x8a/0x1a0
[  100.340698][ T6690]  pfn_to_dma_pte+0x33e/0x6a0
[  100.340713][ T6690]  ? __pfx_pfn_to_dma_pte+0x10/0x10
[  100.340722][ T6690]  ? dma_buf_map_attachment+0x161/0x5f0
[  100.340738][ T6690]  ? drm_gem_prime_import_dev+0x166/0x440
[  100.340753][ T6690]  ? virtgpu_gem_prime_import+0x16c/0x800
[  100.340767][ T6690]  ? drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[  100.340781][ T6690]  ? drm_prime_fd_to_handle_ioctl+0xd6/0x110
[  100.340795][ T6690]  ? drm_ioctl_kernel+0x1f4/0x3e0
[  100.340805][ T6690]  ? drm_ioctl+0x5c9/0xc30
[  100.340817][ T6690]  intel_iommu_map_pages+0x8af/0x1520
[  100.340838][ T6690]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[  100.340856][ T6690]  ? iommu_pgsize+0x294/0x300
[  100.340871][ T6690]  iommu_map_nosync+0x33a/0x700
[  100.340892][ T6690]  ? __pfx_iommu_map_nosync+0x10/0x10
[  100.340908][ T6690]  ? lock_acquire+0x179/0x350
[  100.340922][ T6690]  ? find_held_lock+0x2b/0x80
[  100.340933][ T6690]  ? iommu_map_sg+0x5ee/0x9d0
[  100.340945][ T6690]  iommu_map_sg+0x1c1/0x9d0
[  100.340960][ T6690]  iommu_dma_map_sg+0x92d/0xe90
[  100.340982][ T6690]  __dma_map_sg_attrs+0x293/0x590
[  100.341012][ T6690]  dma_map_sgtable+0x78/0x100
[  100.341025][ T6690]  system_heap_map_dma_buf+0x66/0xf0
[  100.341044][ T6690]  dma_buf_map_attachment+0x161/0x5f0
[  100.341076][ T6690]  dma_buf_map_attachment_unlocked+0x9e/0x150
[  100.341095][ T6690]  drm_gem_prime_import_dev+0x166/0x440
[  100.341112][ T6690]  virtgpu_gem_prime_import+0x16c/0x800
[  100.341128][ T6690]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[  100.341143][ T6690]  ? __pfx___mutex_lock+0x10/0x10
[  100.341154][ T6690]  ? find_held_lock+0x2b/0x80
[  100.341165][ T6690]  ? __fget_files+0x204/0x3c0
[  100.341183][ T6690]  ? __fget_files+0x20e/0x3c0
[  100.341199][ T6690]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[  100.341215][ T6690]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[  100.341238][ T6690]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[  100.341256][ T6690]  drm_ioctl_kernel+0x1f4/0x3e0
[  100.341313][ T6690]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[  100.341332][ T6690]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[  100.341423][ T6690]  drm_ioctl+0x5c9/0xc30
[  100.341464][ T6690]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[  100.341483][ T6690]  ? __pfx_drm_ioctl+0x10/0x10
[  100.341501][ T6690]  ? selinux_file_ioctl+0x180/0x270
[  100.341518][ T6690]  ? selinux_file_ioctl+0xb4/0x270
[  100.341534][ T6690]  ? __pfx_drm_ioctl+0x10/0x10
[  100.341547][ T6690]  __x64_sys_ioctl+0x18e/0x210
[  100.341562][ T6690]  do_syscall_64+0xcd/0xfa0
[  100.341581][ T6690]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  100.341594][ T6690] RIP: 0033:0x7f800df8ec29
[  100.341604][ T6690] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  100.341615][ T6690] RSP: 002b:00007f800edc6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  100.341626][ T6690] RAX: ffffffffffffffda RBX: 00007f800e1d5fa0 RCX: 00007f800df8ec29
[  100.341640][ T6690] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[  100.341650][ T6690] RBP: 00007f800edc6090 R08: 0000000000000000 R09: 0000000000000000
[  100.341662][ T6690] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[  100.341671][ T6690] R13: 00007f800e1d6038 R14: 00007f800e1d5fa0 R15: 00007ffd5d624458
[  100.341696][ T6690]  </TASK>
[  100.342750][ T6691] DMAR: ERROR: DMA PTE for vPFN 0xbe300 already set (to 5ac00003 not 59800003)
[  100.483117][ T6691] ------------[ cut here ]------------
[  100.485098][ T6691] WARNING: CPU: 3 PID: 6691 at drivers/iommu/intel/iommu.c:1679 intel_iommu_map_pages+0xaa7/0x1520
[  100.488887][ T6691] Modules linked in:
[  100.490558][ T6691] CPU: 3 UID: 0 PID: 6691 Comm: syz.1.92 Not tainted syzkaller #0 PREEMPT(full) 
[  100.495494][ T6691] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  100.499107][ T6691] RIP: 0010:intel_iommu_map_pages+0xaa7/0x1520
[  100.501019][ T6691] Code: c7 5b fc 8b 2d 0a e6 ca 09 31 ff 89 ee e8 b1 6e 7d fc 85 ed 74 0e e8 68 73 7d fc 83 ed 01 89 2d ef e5 ca 09 e8 5a 73 7d fc 90 <0f> 0b 90 e9 da fa ff ff e8 4c 73 7d fc 4c 8b 7c 24 40 48 8d 43 ff
[  100.507179][ T6691] RSP: 0018:ffffc900016df5d0 EFLAGS: 00010293
[  100.509229][ T6691] RAX: 0000000000000000 RBX: ffff88802999e800 RCX: ffffffff853fd6df
[  100.511524][ T6691] RDX: ffff88802651c900 RSI: ffffffff853fd6f6 RDI: 0000000000000005
[  100.513942][ T6691] RBP: 0000000000000004 R08: 0000000000000005 R09: 0000000000000000
[  100.516668][ T6691] R10: 0000000000000005 R11: 0000000000000001 R12: 00000000000ffb00
[  100.519177][ T6691] R13: 0000000000000001 R14: 0000000059800003 R15: 0000000000000002
[  100.521627][ T6691] FS:  00007f68271d26c0(0000) GS:ffff8880d6cd1000(0000) knlGS:0000000000000000
[  100.524395][ T6691] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.526472][ T6691] CR2: 000000c00155e030 CR3: 000000002aa4e000 CR4: 0000000000352ef0
[  100.529041][ T6691] Call Trace:
[  100.530095][ T6691]  <TASK>
[  100.531049][ T6691]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[  100.533150][ T6691]  ? iommu_pgsize+0x294/0x300
[  100.535144][ T6691]  iommu_map_nosync+0x33a/0x700
[  100.537133][ T6691]  ? __pfx_iommu_map_nosync+0x10/0x10
[  100.538930][ T6691]  ? lock_acquire+0x179/0x350
[  100.540484][ T6691]  ? find_held_lock+0x2b/0x80
[  100.541966][ T6691]  ? iommu_map_sg+0x5ee/0x9d0
[  100.543494][ T6691]  iommu_map_sg+0x1c1/0x9d0
[  100.544948][ T6691]  iommu_dma_map_sg+0x92d/0xe90
[  100.546581][ T6691]  __dma_map_sg_attrs+0x293/0x590
[  100.548257][ T6691]  dma_map_sgtable+0x78/0x100
[  100.549774][ T6691]  system_heap_map_dma_buf+0x66/0xf0
[  100.551417][ T6691]  dma_buf_map_attachment+0x161/0x5f0
[  100.553223][ T6691]  dma_buf_map_attachment_unlocked+0x9e/0x150
[  100.555329][ T6691]  drm_gem_prime_import_dev+0x166/0x440
[  100.557078][ T6691]  virtgpu_gem_prime_import+0x16c/0x800
[  100.559464][ T6691]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[  100.561814][ T6691]  ? __pfx___mutex_lock+0x10/0x10
[  100.563917][ T6691]  ? find_held_lock+0x2b/0x80
[  100.565659][ T6691]  ? __fget_files+0x204/0x3c0
[  100.567436][ T6691]  ? __fget_files+0x20e/0x3c0
[  100.569431][ T6691]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[  100.571724][ T6691]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[  100.573844][ T6691]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[  100.576078][ T6691]  drm_ioctl_kernel+0x1f4/0x3e0
[  100.577868][ T6691]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[  100.580099][ T6691]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[  100.582278][ T6691]  drm_ioctl+0x5c9/0xc30
[  100.583628][ T6691]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[  100.585564][ T6691]  ? __pfx_drm_ioctl+0x10/0x10
[  100.587000][ T6691]  ? selinux_file_ioctl+0x180/0x270
[  100.589112][ T6691]  ? selinux_file_ioctl+0xb4/0x270
[  100.590674][ T6691]  ? __pfx_drm_ioctl+0x10/0x10
[  100.592215][ T6691]  __x64_sys_ioctl+0x18e/0x210
[  100.593747][ T6691]  do_syscall_64+0xcd/0xfa0
[  100.595213][ T6691]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  100.597060][ T6691] RIP: 0033:0x7f682638ec29
[  100.598394][ T6691] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  100.604395][ T6691] RSP: 002b:00007f68271d2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  100.607022][ T6691] RAX: ffffffffffffffda RBX: 00007f68265d5fa0 RCX: 00007f682638ec29
[  100.609647][ T6691] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[  100.612155][ T6691] RBP: 00007f68271d2090 R08: 0000000000000000 R09: 0000000000000000
[  100.614528][ T6691] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[  100.616819][ T6691] R13: 00007f68265d6038 R14: 00007f68265d5fa0 R15: 00007fff2221d458
[  100.619297][ T6691]  </TASK>
[  100.620258][ T6691] Kernel panic - not syncing: kernel: panic_on_warn set ...
[  100.622404][ T6691] CPU: 3 UID: 0 PID: 6691 Comm: syz.1.92 Not tainted syzkaller #0 PREEMPT(full) 
[  100.625049][ T6691] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  100.628711][ T6691] Call Trace:
[  100.629915][ T6691]  <TASK>
[  100.630912][ T6691]  dump_stack_lvl+0x3d/0x1f0
[  100.632380][ T6691]  vpanic+0x640/0x6f0
[  100.633657][ T6691]  ? intel_iommu_map_pages+0xaa7/0x1520
[  100.635376][ T6691]  panic+0xca/0xd0
[  100.636600][ T6691]  ? __pfx_panic+0x10/0x10
[  100.637958][ T6691]  ? check_panic_on_warn+0x1f/0xb0
[  100.639490][ T6691]  check_panic_on_warn+0xab/0xb0
[  100.641024][ T6691]  __warn+0xf6/0x3c0
[  100.642216][ T6691]  ? intel_iommu_map_pages+0xaa7/0x1520
[  100.643882][ T6691]  report_bug+0x3c3/0x580
[  100.645201][ T6691]  ? intel_iommu_map_pages+0xaa7/0x1520
[  100.646851][ T6691]  handle_bug+0x184/0x210
[  100.648155][ T6691]  exc_invalid_op+0x17/0x50
[  100.649530][ T6691]  asm_exc_invalid_op+0x1a/0x20
[  100.650984][ T6691] RIP: 0010:intel_iommu_map_pages+0xaa7/0x1520
[  100.652770][ T6691] Code: c7 5b fc 8b 2d 0a e6 ca 09 31 ff 89 ee e8 b1 6e 7d fc 85 ed 74 0e e8 68 73 7d fc 83 ed 01 89 2d ef e5 ca 09 e8 5a 73 7d fc 90 <0f> 0b 90 e9 da fa ff ff e8 4c 73 7d fc 4c 8b 7c 24 40 48 8d 43 ff
[  100.658471][ T6691] RSP: 0018:ffffc900016df5d0 EFLAGS: 00010293
[  100.660636][ T6691] RAX: 0000000000000000 RBX: ffff88802999e800 RCX: ffffffff853fd6df
[  100.663491][ T6691] RDX: ffff88802651c900 RSI: ffffffff853fd6f6 RDI: 0000000000000005
[  100.666406][ T6691] RBP: 0000000000000004 R08: 0000000000000005 R09: 0000000000000000
[  100.669320][ T6691] R10: 0000000000000005 R11: 0000000000000001 R12: 00000000000ffb00
[  100.672309][ T6691] R13: 0000000000000001 R14: 0000000059800003 R15: 0000000000000002
[  100.675319][ T6691]  ? intel_iommu_map_pages+0xa8f/0x1520
[  100.677387][ T6691]  ? intel_iommu_map_pages+0xaa6/0x1520
[  100.679512][ T6691]  ? __pfx_intel_iommu_map_pages+0x10/0x10
[  100.681640][ T6691]  ? iommu_pgsize+0x294/0x300
[  100.683469][ T6691]  iommu_map_nosync+0x33a/0x700
[  100.685383][ T6691]  ? __pfx_iommu_map_nosync+0x10/0x10
[  100.687260][ T6691]  ? lock_acquire+0x179/0x350
[  100.688873][ T6691]  ? find_held_lock+0x2b/0x80
[  100.690619][ T6691]  ? iommu_map_sg+0x5ee/0x9d0
[  100.692137][ T6691]  iommu_map_sg+0x1c1/0x9d0
[  100.693478][ T6691]  iommu_dma_map_sg+0x92d/0xe90
[  100.695070][ T6691]  __dma_map_sg_attrs+0x293/0x590
[  100.696841][ T6691]  dma_map_sgtable+0x78/0x100
[  100.698378][ T6691]  system_heap_map_dma_buf+0x66/0xf0
[  100.700364][ T6691]  dma_buf_map_attachment+0x161/0x5f0
[  100.702286][ T6691]  dma_buf_map_attachment_unlocked+0x9e/0x150
[  100.704367][ T6691]  drm_gem_prime_import_dev+0x166/0x440
[  100.706089][ T6691]  virtgpu_gem_prime_import+0x16c/0x800
[  100.707929][ T6691]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[  100.709743][ T6691]  ? __pfx___mutex_lock+0x10/0x10
[  100.711276][ T6691]  ? find_held_lock+0x2b/0x80
[  100.712692][ T6691]  ? __fget_files+0x204/0x3c0
[  100.714086][ T6691]  ? __fget_files+0x20e/0x3c0
[  100.715497][ T6691]  ? __pfx_virtgpu_gem_prime_import+0x10/0x10
[  100.717358][ T6691]  drm_gem_prime_fd_to_handle+0x1a9/0x5f0
[  100.719037][ T6691]  drm_prime_fd_to_handle_ioctl+0xd6/0x110
[  100.720872][ T6691]  drm_ioctl_kernel+0x1f4/0x3e0
[  100.722339][ T6691]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[  100.724594][ T6691]  ? __pfx_drm_ioctl_kernel+0x10/0x10
[  100.726261][ T6691]  drm_ioctl+0x5c9/0xc30
[  100.727599][ T6691]  ? __pfx_drm_prime_fd_to_handle_ioctl+0x10/0x10
[  100.729615][ T6691]  ? __pfx_drm_ioctl+0x10/0x10
[  100.731106][ T6691]  ? selinux_file_ioctl+0x180/0x270
[  100.732660][ T6691]  ? selinux_file_ioctl+0xb4/0x270
[  100.734210][ T6691]  ? __pfx_drm_ioctl+0x10/0x10
[  100.735617][ T6691]  __x64_sys_ioctl+0x18e/0x210
[  100.737362][ T6691]  do_syscall_64+0xcd/0xfa0
[  100.738988][ T6691]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  100.741751][ T6691] RIP: 0033:0x7f682638ec29
[  100.743434][ T6691] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  100.749053][ T6691] RSP: 002b:00007f68271d2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  100.751994][ T6691] RAX: ffffffffffffffda RBX: 00007f68265d5fa0 RCX: 00007f682638ec29
[  100.754817][ T6691] RDX: 00002000000000c0 RSI: 00000000c00c642e RDI: 0000000000000005
[  100.757308][ T6691] RBP: 00007f68271d2090 R08: 0000000000000000 R09: 0000000000000000
[  100.760120][ T6691] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[  100.762646][ T6691] R13: 00007f68265d6038 R14: 00007f68265d5fa0 R15: 00007fff2221d458
[  100.765323][ T6691]  </TASK>
[  100.766926][ T6691] Kernel Offset: disabled
[  100.768379][ T6691] Rebooting in 86400 seconds..