24/0x570
[ 614.657753][ T9284] should_failslab+0xac/0x100
[ 614.657778][ T9284] kmem_cache_alloc_noprof+0x78/0x390
[ 614.657801][ T9284] ? __kernfs_new_node+0xdf/0x890
[ 614.657824][ T9284] __kernfs_new_node+0xdf/0x890
[ 614.657842][ T9284] ? __lock_acquire+0xad5/0xd80
[ 614.657866][ T9284] ? __pfx___kernfs_new_node+0x10/0x10
[ 614.657893][ T9284] ? kernfs_root+0x1c/0x230
[ 614.657911][ T9284] ? kernfs_root+0x1c/0x230
[ 614.657931][ T9284] kernfs_new_node+0x114/0x220
[ 614.657953][ T9284] kernfs_create_link+0xa5/0x1f0
[ 614.657980][ T9284] sysfs_do_create_link_sd+0x85/0x110
[ 614.657999][ T9284] software_node_notify+0xd9/0x1b0
[ 614.658020][ T9284] device_add+0x513/0xbf0
[ 614.658042][ T9284] ? iommufd_test+0x2efb/0x56a0
[ 614.658063][ T9284] iommufd_test+0x3350/0x56a0
[ 614.658092][ T9284] ? __pfx_iommufd_test+0x10/0x10
[ 614.658122][ T9284] ? __lock_acquire+0xad5/0xd80
[ 614.658171][ T9284] iommufd_fops_ioctl+0x4fc/0x610
[ 614.658197][ T9284] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 614.658240][ T9284] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 614.658265][ T9284] __se_sys_ioctl+0xf1/0x160
[ 614.658287][ T9284] do_syscall_64+0xf3/0x230
[ 614.658309][ T9284] ? clear_bhb_loop+0x45/0xa0
[ 614.658330][ T9284] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 614.658346][ T9284] RIP: 0033:0x7fa7297fe6e9
[ 614.658368][ T9284] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 614.658390][ T9284] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 614.658410][ T9284] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 614.658423][ T9284] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
executing program
[ 614.658435][ T9284] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 614.658447][ T9284] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 614.658458][ T9284] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 614.658485][ T9284]
[ 614.659229][ T9284] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 614.976557][ T9285] FAULT_INJECTION: forcing a failure.
[ 614.976557][ T9285] name failslab, interval 1, probability 0, space 0, times 0
[ 614.990683][ T9285] CPU: 1 UID: 0 PID: 9285 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 614.990710][ T9285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 614.990721][ T9285] Call Trace:
[ 614.990729][ T9285]
[ 614.990737][ T9285] dump_stack_lvl+0x241/0x360
[ 614.990769][ T9285] ? __pfx_dump_stack_lvl+0x10/0x10
[ 614.990793][ T9285] ? __pfx__printk+0x10/0x10
[ 614.990821][ T9285] ? __pfx___might_resched+0x10/0x10
[ 614.990846][ T9285] should_fail_ex+0x424/0x570
[ 614.990869][ T9285] should_failslab+0xac/0x100
[ 614.990894][ T9285] kmem_cache_alloc_noprof+0x78/0x390
[ 614.990916][ T9285] ? __kernfs_new_node+0xdf/0x890
[ 614.990939][ T9285] __kernfs_new_node+0xdf/0x890
[ 614.990956][ T9285] ? __lock_acquire+0xad5/0xd80
[ 614.990981][ T9285] ? __pfx___kernfs_new_node+0x10/0x10
[ 614.991007][ T9285] ? kernfs_root+0x1c/0x230
[ 614.991026][ T9285] ? kernfs_root+0x1c/0x230
[ 614.991045][ T9285] kernfs_new_node+0x114/0x220
[ 614.991069][ T9285] kernfs_create_link+0xa5/0x1f0
[ 614.991095][ T9285] sysfs_do_create_link_sd+0x85/0x110
[ 614.991114][ T9285] software_node_notify+0xd9/0x1b0
[ 614.991135][ T9285] device_add+0x513/0xbf0
[ 614.991156][ T9285] ? iommufd_test+0x2efb/0x56a0
[ 614.991177][ T9285] iommufd_test+0x3350/0x56a0
[ 614.991207][ T9285] ? __pfx_iommufd_test+0x10/0x10
[ 614.991236][ T9285] ? __lock_acquire+0xad5/0xd80
[ 614.991296][ T9285] iommufd_fops_ioctl+0x4fc/0x610
[ 614.991323][ T9285] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 614.991366][ T9285] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 614.991390][ T9285] __se_sys_ioctl+0xf1/0x160
[ 614.991413][ T9285] do_syscall_64+0xf3/0x230
[ 614.991435][ T9285] ? clear_bhb_loop+0x45/0xa0
[ 614.991455][ T9285] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 614.991472][ T9285] RIP: 0033:0x7fa7297fe6e9
[ 614.991488][ T9285] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 614.991502][ T9285] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 614.991535][ T9285] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 614.991548][ T9285] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 614.991560][ T9285] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
executing program
[ 614.991571][ T9285] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 614.991583][ T9285] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 614.991608][ T9285]
[ 614.992361][ T9285] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 615.270209][ T9286] FAULT_INJECTION: forcing a failure.
[ 615.270209][ T9286] name failslab, interval 1, probability 0, space 0, times 0
[ 615.283329][ T9286] CPU: 1 UID: 0 PID: 9286 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 615.283354][ T9286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 615.283366][ T9286] Call Trace:
[ 615.283373][ T9286]
[ 615.283380][ T9286] dump_stack_lvl+0x241/0x360
[ 615.283415][ T9286] ? __pfx_dump_stack_lvl+0x10/0x10
[ 615.283441][ T9286] ? __pfx__printk+0x10/0x10
[ 615.283470][ T9286] ? __pfx___might_resched+0x10/0x10
[ 615.283496][ T9286] should_fail_ex+0x424/0x570
[ 615.283540][ T9286] should_failslab+0xac/0x100
[ 615.283570][ T9286] kmem_cache_alloc_noprof+0x78/0x390
[ 615.283592][ T9286] ? __kernfs_new_node+0xdf/0x890
[ 615.283616][ T9286] __kernfs_new_node+0xdf/0x890
[ 615.283632][ T9286] ? __lock_acquire+0xad5/0xd80
[ 615.283658][ T9286] ? __pfx___kernfs_new_node+0x10/0x10
[ 615.283684][ T9286] ? kernfs_root+0x1c/0x230
[ 615.283703][ T9286] ? kernfs_root+0x1c/0x230
[ 615.283723][ T9286] kernfs_new_node+0x114/0x220
[ 615.283747][ T9286] kernfs_create_link+0xa5/0x1f0
[ 615.283772][ T9286] sysfs_do_create_link_sd+0x85/0x110
[ 615.283793][ T9286] software_node_notify+0xd9/0x1b0
[ 615.283815][ T9286] device_add+0x513/0xbf0
[ 615.283837][ T9286] ? iommufd_test+0x2efb/0x56a0
[ 615.283857][ T9286] iommufd_test+0x3350/0x56a0
[ 615.283886][ T9286] ? __pfx_iommufd_test+0x10/0x10
[ 615.283916][ T9286] ? __lock_acquire+0xad5/0xd80
[ 615.283963][ T9286] iommufd_fops_ioctl+0x4fc/0x610
[ 615.283988][ T9286] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 615.284030][ T9286] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 615.284054][ T9286] __se_sys_ioctl+0xf1/0x160
[ 615.284077][ T9286] do_syscall_64+0xf3/0x230
[ 615.284100][ T9286] ? clear_bhb_loop+0x45/0xa0
[ 615.284121][ T9286] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 615.284138][ T9286] RIP: 0033:0x7fa7297fe6e9
[ 615.284154][ T9286] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 615.284169][ T9286] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 615.284188][ T9286] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 615.284201][ T9286] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 615.284213][ T9286] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 615.284224][ T9286] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 615.284236][ T9286] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 615.284264][ T9286]
[ 615.543743][ T9286] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 615.565560][ T9287] FAULT_INJECTION: forcing a failure.
executing program
[ 615.565560][ T9287] name failslab, interval 1, probability 0, space 0, times 0
[ 615.578762][ T9287] CPU: 0 UID: 0 PID: 9287 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 615.578787][ T9287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 615.578798][ T9287] Call Trace:
[ 615.578805][ T9287]
[ 615.578814][ T9287] dump_stack_lvl+0x241/0x360
[ 615.578844][ T9287] ? __pfx_dump_stack_lvl+0x10/0x10
[ 615.578868][ T9287] ? __pfx__printk+0x10/0x10
[ 615.578896][ T9287] ? __pfx___might_resched+0x10/0x10
[ 615.578922][ T9287] should_fail_ex+0x424/0x570
[ 615.578946][ T9287] should_failslab+0xac/0x100
[ 615.578971][ T9287] kmem_cache_alloc_noprof+0x78/0x390
[ 615.578993][ T9287] ? __kernfs_new_node+0xdf/0x890
[ 615.579016][ T9287] __kernfs_new_node+0xdf/0x890
[ 615.579036][ T9287] ? __lock_acquire+0xad5/0xd80
[ 615.579059][ T9287] ? __pfx___kernfs_new_node+0x10/0x10
[ 615.579088][ T9287] ? kernfs_root+0x1c/0x230
[ 615.579107][ T9287] ? kernfs_root+0x1c/0x230
[ 615.579127][ T9287] kernfs_new_node+0x114/0x220
[ 615.579150][ T9287] kernfs_create_dir_ns+0x43/0x120
[ 615.579172][ T9287] sysfs_create_dir_ns+0x1a2/0x3f0
[ 615.579190][ T9287] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 615.579212][ T9287] kobject_add_internal+0x435/0x8d0
[ 615.579240][ T9287] kobject_add+0x15b/0x230
[ 615.579264][ T9287] ? kobject_put+0x43d/0x480
[ 615.579286][ T9287] ? __pfx_kobject_add+0x10/0x10
[ 615.579308][ T9287] ? bus_get_dev_root+0x127/0x160
[ 615.579330][ T9287] ? get_device_parent+0x405/0x410
[ 615.579348][ T9287] ? device_add+0x318/0xbf0
[ 615.579369][ T9287] device_add+0x4e5/0xbf0
[ 615.579389][ T9287] ? iommufd_test+0x2efb/0x56a0
[ 615.579409][ T9287] iommufd_test+0x3350/0x56a0
[ 615.579439][ T9287] ? __pfx_iommufd_test+0x10/0x10
[ 615.579475][ T9287] ? __lock_acquire+0xad5/0xd80
[ 615.579524][ T9287] iommufd_fops_ioctl+0x4fc/0x610
[ 615.579551][ T9287] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 615.579595][ T9287] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 615.579620][ T9287] __se_sys_ioctl+0xf1/0x160
[ 615.579643][ T9287] do_syscall_64+0xf3/0x230
[ 615.579664][ T9287] ? clear_bhb_loop+0x45/0xa0
[ 615.579684][ T9287] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 615.579701][ T9287] RIP: 0033:0x7fa7297fe6e9
[ 615.579718][ T9287] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 615.579733][ T9287] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 615.579753][ T9287] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 615.579765][ T9287] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 615.579777][ T9287] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 615.579788][ T9287] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 615.579800][ T9287] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 615.579827][ T9287]
executing program
[ 615.579852][ T9287] kobject: kobject_add_internal failed for iommufd_mock0 (error: -12 parent: devices)
[ 615.906165][ T9288] FAULT_INJECTION: forcing a failure.
[ 615.906165][ T9288] name failslab, interval 1, probability 0, space 0, times 0
[ 615.934108][ T9288] CPU: 1 UID: 0 PID: 9288 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 615.934138][ T9288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 615.934149][ T9288] Call Trace:
[ 615.934157][ T9288]
[ 615.934166][ T9288] dump_stack_lvl+0x241/0x360
[ 615.934196][ T9288] ? __pfx_dump_stack_lvl+0x10/0x10
[ 615.934219][ T9288] ? __pfx__printk+0x10/0x10
[ 615.934247][ T9288] ? __pfx___might_resched+0x10/0x10
[ 615.934273][ T9288] should_fail_ex+0x424/0x570
[ 615.934297][ T9288] should_failslab+0xac/0x100
[ 615.934322][ T9288] kmem_cache_alloc_noprof+0x78/0x390
[ 615.934345][ T9288] ? __kernfs_new_node+0xdf/0x890
[ 615.934368][ T9288] __kernfs_new_node+0xdf/0x890
[ 615.934387][ T9288] ? __lock_acquire+0xad5/0xd80
[ 615.934411][ T9288] ? __pfx___kernfs_new_node+0x10/0x10
[ 615.934445][ T9288] ? kernfs_root+0x1c/0x230
[ 615.934463][ T9288] ? kernfs_root+0x1c/0x230
[ 615.934483][ T9288] kernfs_new_node+0x114/0x220
[ 615.934507][ T9288] kernfs_create_link+0xa5/0x1f0
[ 615.934533][ T9288] sysfs_do_create_link_sd+0x85/0x110
[ 615.934553][ T9288] software_node_notify+0xd9/0x1b0
[ 615.934577][ T9288] device_add+0x513/0xbf0
[ 615.934598][ T9288] ? iommufd_test+0x2efb/0x56a0
[ 615.934619][ T9288] iommufd_test+0x3350/0x56a0
[ 615.934649][ T9288] ? __pfx_iommufd_test+0x10/0x10
[ 615.934678][ T9288] ? __lock_acquire+0xad5/0xd80
[ 615.934729][ T9288] iommufd_fops_ioctl+0x4fc/0x610
[ 615.934755][ T9288] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 615.934798][ T9288] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 615.934823][ T9288] __se_sys_ioctl+0xf1/0x160
[ 615.934846][ T9288] do_syscall_64+0xf3/0x230
[ 615.934867][ T9288] ? clear_bhb_loop+0x45/0xa0
[ 615.934887][ T9288] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 615.934903][ T9288] RIP: 0033:0x7fa7297fe6e9
[ 615.934919][ T9288] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 615.934933][ T9288] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 615.934953][ T9288] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 615.934966][ T9288] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 615.934977][ T9288] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 615.934988][ T9288] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 615.934999][ T9288] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 615.935027][ T9288]
[ 615.935772][ T9288] iommufd_mock iommufd_mock0: Adding to iommu group 0
executing program
[ 616.236370][ T9289] FAULT_INJECTION: forcing a failure.
[ 616.236370][ T9289] name failslab, interval 1, probability 0, space 0, times 0
[ 616.270075][ T9289] CPU: 0 UID: 0 PID: 9289 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 616.270104][ T9289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 616.270116][ T9289] Call Trace:
[ 616.270123][ T9289]
[ 616.270131][ T9289] dump_stack_lvl+0x241/0x360
[ 616.270163][ T9289] ? __pfx_dump_stack_lvl+0x10/0x10
[ 616.270188][ T9289] ? __pfx__printk+0x10/0x10
[ 616.270215][ T9289] ? __pfx___might_resched+0x10/0x10
[ 616.270241][ T9289] should_fail_ex+0x424/0x570
[ 616.270264][ T9289] should_failslab+0xac/0x100
[ 616.270289][ T9289] kmem_cache_alloc_noprof+0x78/0x390
[ 616.270312][ T9289] ? __kernfs_new_node+0xdf/0x890
[ 616.270336][ T9289] __kernfs_new_node+0xdf/0x890
[ 616.270353][ T9289] ? __lock_acquire+0xad5/0xd80
[ 616.270378][ T9289] ? __pfx___kernfs_new_node+0x10/0x10
[ 616.270405][ T9289] ? kernfs_root+0x1c/0x230
[ 616.270423][ T9289] ? kernfs_root+0x1c/0x230
[ 616.270443][ T9289] kernfs_new_node+0x114/0x220
[ 616.270473][ T9289] kernfs_create_link+0xa5/0x1f0
[ 616.270498][ T9289] sysfs_do_create_link_sd+0x85/0x110
[ 616.270519][ T9289] software_node_notify+0xd9/0x1b0
[ 616.270541][ T9289] device_add+0x513/0xbf0
[ 616.270564][ T9289] ? iommufd_test+0x2efb/0x56a0
[ 616.270585][ T9289] iommufd_test+0x3350/0x56a0
[ 616.270616][ T9289] ? __pfx_iommufd_test+0x10/0x10
[ 616.270644][ T9289] ? __lock_acquire+0xad5/0xd80
[ 616.270692][ T9289] iommufd_fops_ioctl+0x4fc/0x610
[ 616.270719][ T9289] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 616.270762][ T9289] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 616.270787][ T9289] __se_sys_ioctl+0xf1/0x160
[ 616.270810][ T9289] do_syscall_64+0xf3/0x230
[ 616.270832][ T9289] ? clear_bhb_loop+0x45/0xa0
[ 616.270852][ T9289] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 616.270869][ T9289] RIP: 0033:0x7fa7297fe6e9
[ 616.270885][ T9289] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 616.270900][ T9289] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
executing program
[ 616.270920][ T9289] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 616.270933][ T9289] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 616.270944][ T9289] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 616.270956][ T9289] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 616.270967][ T9289] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 616.270995][ T9289]
[ 616.271755][ T9289] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 616.558071][ T9290] FAULT_INJECTION: forcing a failure.
[ 616.558071][ T9290] name failslab, interval 1, probability 0, space 0, times 0
[ 616.591966][ T9290] CPU: 1 UID: 0 PID: 9290 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 616.591995][ T9290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 616.592007][ T9290] Call Trace:
[ 616.592014][ T9290]
[ 616.592023][ T9290] dump_stack_lvl+0x241/0x360
[ 616.592055][ T9290] ? __pfx_dump_stack_lvl+0x10/0x10
[ 616.592079][ T9290] ? __pfx__printk+0x10/0x10
[ 616.592107][ T9290] ? __pfx___might_resched+0x10/0x10
[ 616.592133][ T9290] should_fail_ex+0x424/0x570
[ 616.592156][ T9290] should_failslab+0xac/0x100
[ 616.592181][ T9290] kmem_cache_alloc_noprof+0x78/0x390
[ 616.592222][ T9290] ? __kernfs_new_node+0xdf/0x890
[ 616.592245][ T9290] __kernfs_new_node+0xdf/0x890
[ 616.592263][ T9290] ? __lock_acquire+0xad5/0xd80
[ 616.592289][ T9290] ? __pfx___kernfs_new_node+0x10/0x10
[ 616.592314][ T9290] ? kernfs_root+0x1c/0x230
[ 616.592333][ T9290] ? kernfs_root+0x1c/0x230
[ 616.592353][ T9290] kernfs_new_node+0x114/0x220
[ 616.592376][ T9290] kernfs_create_link+0xa5/0x1f0
[ 616.592402][ T9290] sysfs_do_create_link_sd+0x85/0x110
[ 616.592422][ T9290] software_node_notify+0xd9/0x1b0
[ 616.592443][ T9290] device_add+0x513/0xbf0
[ 616.592464][ T9290] ? iommufd_test+0x2efb/0x56a0
[ 616.592485][ T9290] iommufd_test+0x3350/0x56a0
[ 616.592516][ T9290] ? __pfx_iommufd_test+0x10/0x10
[ 616.592545][ T9290] ? __lock_acquire+0xad5/0xd80
[ 616.592594][ T9290] iommufd_fops_ioctl+0x4fc/0x610
[ 616.592622][ T9290] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 616.592664][ T9290] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 616.592689][ T9290] __se_sys_ioctl+0xf1/0x160
[ 616.592712][ T9290] do_syscall_64+0xf3/0x230
[ 616.592734][ T9290] ? clear_bhb_loop+0x45/0xa0
[ 616.592754][ T9290] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 616.592771][ T9290] RIP: 0033:0x7fa7297fe6e9
[ 616.592787][ T9290] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 616.592801][ T9290] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 616.592820][ T9290] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 616.592834][ T9290] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 616.592845][ T9290] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 616.592856][ T9290] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 616.592868][ T9290] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 616.592895][ T9290]
[ 616.593658][ T9290] iommufd_mock iommufd_mock0: Adding to iommu group 0
executing program
[ 616.906455][ T9291] FAULT_INJECTION: forcing a failure.
[ 616.906455][ T9291] name failslab, interval 1, probability 0, space 0, times 0
[ 616.931485][ T9291] CPU: 0 UID: 0 PID: 9291 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 616.931514][ T9291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 616.931526][ T9291] Call Trace:
[ 616.931534][ T9291]
[ 616.931542][ T9291] dump_stack_lvl+0x241/0x360
[ 616.931576][ T9291] ? __pfx_dump_stack_lvl+0x10/0x10
[ 616.931600][ T9291] ? __pfx__printk+0x10/0x10
[ 616.931628][ T9291] ? __pfx___might_resched+0x10/0x10
[ 616.931655][ T9291] should_fail_ex+0x424/0x570
[ 616.931678][ T9291] should_failslab+0xac/0x100
[ 616.931704][ T9291] kmem_cache_alloc_noprof+0x78/0x390
[ 616.931726][ T9291] ? __kernfs_new_node+0xdf/0x890
[ 616.931749][ T9291] __kernfs_new_node+0xdf/0x890
[ 616.931768][ T9291] ? __lock_acquire+0xad5/0xd80
[ 616.931792][ T9291] ? __pfx___kernfs_new_node+0x10/0x10
[ 616.931820][ T9291] ? kernfs_root+0x1c/0x230
[ 616.931838][ T9291] ? kernfs_root+0x1c/0x230
[ 616.931858][ T9291] kernfs_new_node+0x114/0x220
[ 616.931882][ T9291] kernfs_create_dir_ns+0x43/0x120
[ 616.931904][ T9291] sysfs_create_dir_ns+0x1a2/0x3f0
[ 616.931925][ T9291] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 616.931952][ T9291] kobject_add_internal+0x435/0x8d0
[ 616.931983][ T9291] kobject_add+0x15b/0x230
[ 616.932007][ T9291] ? kobject_put+0x43d/0x480
[ 616.932029][ T9291] ? __pfx_kobject_add+0x10/0x10
[ 616.932053][ T9291] ? bus_get_dev_root+0x127/0x160
[ 616.932074][ T9291] ? get_device_parent+0x405/0x410
[ 616.932092][ T9291] ? device_add+0x318/0xbf0
[ 616.932114][ T9291] device_add+0x4e5/0xbf0
[ 616.932135][ T9291] ? iommufd_test+0x2efb/0x56a0
[ 616.932155][ T9291] iommufd_test+0x3350/0x56a0
[ 616.932185][ T9291] ? __pfx_iommufd_test+0x10/0x10
[ 616.932215][ T9291] ? __lock_acquire+0xad5/0xd80
[ 616.932263][ T9291] iommufd_fops_ioctl+0x4fc/0x610
[ 616.932291][ T9291] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 616.932334][ T9291] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 616.932359][ T9291] __se_sys_ioctl+0xf1/0x160
[ 616.932382][ T9291] do_syscall_64+0xf3/0x230
[ 616.932411][ T9291] ? clear_bhb_loop+0x45/0xa0
[ 616.932431][ T9291] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 616.932448][ T9291] RIP: 0033:0x7fa7297fe6e9
[ 616.932472][ T9291] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 616.932486][ T9291] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 616.932506][ T9291] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 616.932519][ T9291] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 616.932530][ T9291] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
executing program
[ 616.932542][ T9291] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 616.932553][ T9291] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 616.932580][ T9291]
[ 616.932606][ T9291] kobject: kobject_add_internal failed for iommufd_mock0 (error: -12 parent: devices)
[ 617.252826][ T9292] FAULT_INJECTION: forcing a failure.
[ 617.252826][ T9292] name failslab, interval 1, probability 0, space 0, times 0
[ 617.284072][ T9292] CPU: 1 UID: 0 PID: 9292 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 617.284100][ T9292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 617.284111][ T9292] Call Trace:
[ 617.284118][ T9292]
[ 617.284127][ T9292] dump_stack_lvl+0x241/0x360
[ 617.284160][ T9292] ? __pfx_dump_stack_lvl+0x10/0x10
[ 617.284185][ T9292] ? __pfx__printk+0x10/0x10
[ 617.284212][ T9292] ? __pfx___might_resched+0x10/0x10
[ 617.284238][ T9292] should_fail_ex+0x424/0x570
[ 617.284262][ T9292] should_failslab+0xac/0x100
[ 617.284288][ T9292] kmem_cache_alloc_noprof+0x78/0x390
[ 617.284310][ T9292] ? __kernfs_new_node+0xdf/0x890
[ 617.284334][ T9292] __kernfs_new_node+0xdf/0x890
[ 617.284351][ T9292] ? __lock_acquire+0xad5/0xd80
[ 617.284376][ T9292] ? __pfx___kernfs_new_node+0x10/0x10
[ 617.284410][ T9292] ? kernfs_root+0x1c/0x230
[ 617.284429][ T9292] ? kernfs_root+0x1c/0x230
[ 617.284448][ T9292] kernfs_new_node+0x114/0x220
[ 617.284471][ T9292] kernfs_create_link+0xa5/0x1f0
[ 617.284497][ T9292] sysfs_do_create_link_sd+0x85/0x110
[ 617.284517][ T9292] software_node_notify+0xd9/0x1b0
[ 617.284539][ T9292] device_add+0x513/0xbf0
[ 617.284561][ T9292] ? iommufd_test+0x2efb/0x56a0
[ 617.284582][ T9292] iommufd_test+0x3350/0x56a0
[ 617.284612][ T9292] ? __pfx_iommufd_test+0x10/0x10
[ 617.284641][ T9292] ? __lock_acquire+0xad5/0xd80
[ 617.284689][ T9292] iommufd_fops_ioctl+0x4fc/0x610
[ 617.284716][ T9292] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 617.284758][ T9292] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 617.284789][ T9292] __se_sys_ioctl+0xf1/0x160
[ 617.284812][ T9292] do_syscall_64+0xf3/0x230
[ 617.284834][ T9292] ? clear_bhb_loop+0x45/0xa0
[ 617.284855][ T9292] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 617.284892][ T9292] RIP: 0033:0x7fa7297fe6e9
[ 617.284908][ T9292] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 617.284923][ T9292] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 617.284943][ T9292] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
executing program
[ 617.284956][ T9292] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 617.284967][ T9292] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 617.284978][ T9292] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 617.284990][ T9292] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 617.285017][ T9292]
[ 617.285765][ T9292] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 617.595525][ T9293] FAULT_INJECTION: forcing a failure.
[ 617.595525][ T9293] name failslab, interval 1, probability 0, space 0, times 0
[ 617.621063][ T9293] CPU: 0 UID: 0 PID: 9293 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 617.621091][ T9293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 617.621102][ T9293] Call Trace:
[ 617.621109][ T9293]
[ 617.621118][ T9293] dump_stack_lvl+0x241/0x360
[ 617.621148][ T9293] ? __pfx_dump_stack_lvl+0x10/0x10
[ 617.621173][ T9293] ? __pfx__printk+0x10/0x10
[ 617.621200][ T9293] ? __pfx___might_resched+0x10/0x10
[ 617.621225][ T9293] should_fail_ex+0x424/0x570
[ 617.621248][ T9293] should_failslab+0xac/0x100
[ 617.621273][ T9293] kmem_cache_alloc_noprof+0x78/0x390
[ 617.621294][ T9293] ? __kernfs_new_node+0xdf/0x890
[ 617.621317][ T9293] __kernfs_new_node+0xdf/0x890
[ 617.621341][ T9293] ? __lock_acquire+0xad5/0xd80
[ 617.621366][ T9293] ? __pfx___kernfs_new_node+0x10/0x10
[ 617.621393][ T9293] ? kernfs_root+0x1c/0x230
[ 617.621411][ T9293] ? kernfs_root+0x1c/0x230
[ 617.621431][ T9293] kernfs_new_node+0x114/0x220
[ 617.621453][ T9293] kernfs_create_link+0xa5/0x1f0
[ 617.621480][ T9293] sysfs_do_create_link_sd+0x85/0x110
[ 617.621500][ T9293] software_node_notify+0xd9/0x1b0
[ 617.621523][ T9293] device_add+0x513/0xbf0
[ 617.621544][ T9293] ? iommufd_test+0x2efb/0x56a0
[ 617.621566][ T9293] iommufd_test+0x3350/0x56a0
[ 617.621596][ T9293] ? __pfx_iommufd_test+0x10/0x10
[ 617.621626][ T9293] ? __lock_acquire+0xad5/0xd80
[ 617.621674][ T9293] iommufd_fops_ioctl+0x4fc/0x610
[ 617.621702][ T9293] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 617.621744][ T9293] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 617.621769][ T9293] __se_sys_ioctl+0xf1/0x160
[ 617.621792][ T9293] do_syscall_64+0xf3/0x230
[ 617.621814][ T9293] ? clear_bhb_loop+0x45/0xa0
[ 617.621834][ T9293] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 617.621850][ T9293] RIP: 0033:0x7fa7297fe6e9
[ 617.621866][ T9293] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 617.621880][ T9293] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 617.621900][ T9293] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 617.621913][ T9293] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
executing program
[ 617.621925][ T9293] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 617.621936][ T9293] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 617.621947][ T9293] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 617.621974][ T9293]
[ 617.622715][ T9293] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 617.895817][ T9294] FAULT_INJECTION: forcing a failure.
[ 617.895817][ T9294] name failslab, interval 1, probability 0, space 0, times 0
[ 617.909069][ T9294] CPU: 0 UID: 0 PID: 9294 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 617.909095][ T9294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 617.909106][ T9294] Call Trace:
[ 617.909114][ T9294]
[ 617.909122][ T9294] dump_stack_lvl+0x241/0x360
[ 617.909157][ T9294] ? __pfx_dump_stack_lvl+0x10/0x10
[ 617.909182][ T9294] ? __pfx__printk+0x10/0x10
[ 617.909211][ T9294] ? __pfx___might_resched+0x10/0x10
[ 617.909246][ T9294] should_fail_ex+0x424/0x570
[ 617.909270][ T9294] should_failslab+0xac/0x100
[ 617.909295][ T9294] kmem_cache_alloc_noprof+0x78/0x390
[ 617.909319][ T9294] ? __kernfs_new_node+0xdf/0x890
[ 617.909341][ T9294] __kernfs_new_node+0xdf/0x890
[ 617.909358][ T9294] ? __lock_acquire+0xad5/0xd80
[ 617.909383][ T9294] ? __pfx___kernfs_new_node+0x10/0x10
[ 617.909409][ T9294] ? kernfs_root+0x1c/0x230
[ 617.909428][ T9294] ? kernfs_root+0x1c/0x230
[ 617.909447][ T9294] kernfs_new_node+0x114/0x220
[ 617.909471][ T9294] kernfs_create_link+0xa5/0x1f0
[ 617.909496][ T9294] sysfs_do_create_link_sd+0x85/0x110
[ 617.909516][ T9294] software_node_notify+0xd9/0x1b0
[ 617.909538][ T9294] device_add+0x513/0xbf0
[ 617.909560][ T9294] ? iommufd_test+0x2efb/0x56a0
[ 617.909581][ T9294] iommufd_test+0x3350/0x56a0
[ 617.909610][ T9294] ? __pfx_iommufd_test+0x10/0x10
[ 617.909639][ T9294] ? __lock_acquire+0xad5/0xd80
[ 617.909688][ T9294] iommufd_fops_ioctl+0x4fc/0x610
[ 617.909714][ T9294] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 617.909758][ T9294] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 617.909783][ T9294] __se_sys_ioctl+0xf1/0x160
[ 617.909806][ T9294] do_syscall_64+0xf3/0x230
[ 617.909829][ T9294] ? clear_bhb_loop+0x45/0xa0
[ 617.909850][ T9294] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 617.909866][ T9294] RIP: 0033:0x7fa7297fe6e9
[ 617.909881][ T9294] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 617.909895][ T9294] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 617.909914][ T9294] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 617.909927][ T9294] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 617.909938][ T9294] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
executing program
[ 617.909950][ T9294] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 617.909961][ T9294] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 617.909987][ T9294]
[ 617.910756][ T9294] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 618.196209][ T9295] FAULT_INJECTION: forcing a failure.
[ 618.196209][ T9295] name failslab, interval 1, probability 0, space 0, times 0
[ 618.219855][ T9295] CPU: 1 UID: 0 PID: 9295 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 618.219885][ T9295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 618.219897][ T9295] Call Trace:
[ 618.219904][ T9295]
[ 618.219913][ T9295] dump_stack_lvl+0x241/0x360
[ 618.219945][ T9295] ? __pfx_dump_stack_lvl+0x10/0x10
[ 618.219969][ T9295] ? __pfx__printk+0x10/0x10
[ 618.219997][ T9295] ? __pfx___might_resched+0x10/0x10
[ 618.220032][ T9295] should_fail_ex+0x424/0x570
[ 618.220056][ T9295] should_failslab+0xac/0x100
[ 618.220081][ T9295] kmem_cache_alloc_noprof+0x78/0x390
[ 618.220104][ T9295] ? __kernfs_new_node+0xdf/0x890
[ 618.220128][ T9295] __kernfs_new_node+0xdf/0x890
[ 618.220147][ T9295] ? __lock_acquire+0xad5/0xd80
[ 618.220169][ T9295] ? __pfx___kernfs_new_node+0x10/0x10
[ 618.220197][ T9295] ? kernfs_root+0x1c/0x230
[ 618.220216][ T9295] ? kernfs_root+0x1c/0x230
[ 618.220236][ T9295] kernfs_new_node+0x114/0x220
[ 618.220258][ T9295] kernfs_create_dir_ns+0x43/0x120
[ 618.220279][ T9295] sysfs_create_dir_ns+0x1a2/0x3f0
[ 618.220298][ T9295] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 618.220325][ T9295] kobject_add_internal+0x435/0x8d0
[ 618.220356][ T9295] kobject_add+0x15b/0x230
[ 618.220381][ T9295] ? kobject_put+0x43d/0x480
[ 618.220402][ T9295] ? __pfx_kobject_add+0x10/0x10
[ 618.220426][ T9295] ? bus_get_dev_root+0x127/0x160
[ 618.220448][ T9295] ? get_device_parent+0x405/0x410
[ 618.220466][ T9295] ? device_add+0x318/0xbf0
[ 618.220487][ T9295] device_add+0x4e5/0xbf0
[ 618.220508][ T9295] ? iommufd_test+0x2efb/0x56a0
[ 618.220530][ T9295] iommufd_test+0x3350/0x56a0
[ 618.220559][ T9295] ? __pfx_iommufd_test+0x10/0x10
[ 618.220589][ T9295] ? __lock_acquire+0xad5/0xd80
[ 618.220637][ T9295] iommufd_fops_ioctl+0x4fc/0x610
[ 618.220664][ T9295] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 618.220706][ T9295] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 618.220731][ T9295] __se_sys_ioctl+0xf1/0x160
[ 618.220754][ T9295] do_syscall_64+0xf3/0x230
[ 618.220776][ T9295] ? clear_bhb_loop+0x45/0xa0
[ 618.220797][ T9295] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 618.220814][ T9295] RIP: 0033:0x7fa7297fe6e9
[ 618.220830][ T9295] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 618.220846][ T9295] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 618.220865][ T9295] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 618.220878][ T9295] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 618.220889][ T9295] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
executing program
[ 618.220901][ T9295] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 618.220912][ T9295] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 618.220939][ T9295]
[ 618.220965][ T9295] kobject: kobject_add_internal failed for iommufd_mock0 (error: -12 parent: devices)
[ 618.553118][ T9296] FAULT_INJECTION: forcing a failure.
[ 618.553118][ T9296] name failslab, interval 1, probability 0, space 0, times 0
[ 618.584081][ T9296] CPU: 0 UID: 0 PID: 9296 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 618.584110][ T9296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 618.584122][ T9296] Call Trace:
[ 618.584129][ T9296]
[ 618.584137][ T9296] dump_stack_lvl+0x241/0x360
[ 618.584169][ T9296] ? __pfx_dump_stack_lvl+0x10/0x10
[ 618.584193][ T9296] ? __pfx__printk+0x10/0x10
[ 618.584221][ T9296] ? __pfx___might_resched+0x10/0x10
[ 618.584247][ T9296] should_fail_ex+0x424/0x570
[ 618.584270][ T9296] should_failslab+0xac/0x100
[ 618.584295][ T9296] kmem_cache_alloc_noprof+0x78/0x390
[ 618.584318][ T9296] ? __kernfs_new_node+0xdf/0x890
[ 618.584346][ T9296] __kernfs_new_node+0xdf/0x890
[ 618.584364][ T9296] ? __lock_acquire+0xad5/0xd80
[ 618.584388][ T9296] ? __pfx___kernfs_new_node+0x10/0x10
[ 618.584415][ T9296] ? kernfs_root+0x1c/0x230
[ 618.584433][ T9296] ? kernfs_root+0x1c/0x230
[ 618.584452][ T9296] kernfs_new_node+0x114/0x220
[ 618.584476][ T9296] kernfs_create_link+0xa5/0x1f0
[ 618.584507][ T9296] sysfs_do_create_link_sd+0x85/0x110
[ 618.584527][ T9296] software_node_notify+0xd9/0x1b0
[ 618.584549][ T9296] device_add+0x513/0xbf0
[ 618.584570][ T9296] ? iommufd_test+0x2efb/0x56a0
[ 618.584591][ T9296] iommufd_test+0x3350/0x56a0
[ 618.584622][ T9296] ? __pfx_iommufd_test+0x10/0x10
[ 618.584651][ T9296] ? __lock_acquire+0xad5/0xd80
[ 618.584700][ T9296] iommufd_fops_ioctl+0x4fc/0x610
[ 618.584726][ T9296] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 618.584768][ T9296] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 618.584793][ T9296] __se_sys_ioctl+0xf1/0x160
[ 618.584816][ T9296] do_syscall_64+0xf3/0x230
[ 618.584838][ T9296] ? clear_bhb_loop+0x45/0xa0
[ 618.584858][ T9296] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 618.584875][ T9296] RIP: 0033:0x7fa7297fe6e9
[ 618.584891][ T9296] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 618.584906][ T9296] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 618.584926][ T9296] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 618.584939][ T9296] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 618.584951][ T9296] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 618.584962][ T9296] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 618.584974][ T9296] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 618.585038][ T9296]
[ 618.585778][ T9296] iommufd_mock iommufd_mock0: Adding to iommu group 0
executing program
[ 618.896196][ T9297] FAULT_INJECTION: forcing a failure.
[ 618.896196][ T9297] name failslab, interval 1, probability 0, space 0, times 0
[ 618.924013][ T9297] CPU: 1 UID: 0 PID: 9297 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 618.924039][ T9297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 618.924050][ T9297] Call Trace:
[ 618.924058][ T9297]
[ 618.924066][ T9297] dump_stack_lvl+0x241/0x360
[ 618.924096][ T9297] ? __pfx_dump_stack_lvl+0x10/0x10
[ 618.924121][ T9297] ? __pfx__printk+0x10/0x10
[ 618.924147][ T9297] ? __pfx___might_resched+0x10/0x10
[ 618.924174][ T9297] should_fail_ex+0x424/0x570
[ 618.924197][ T9297] should_failslab+0xac/0x100
[ 618.924222][ T9297] kmem_cache_alloc_noprof+0x78/0x390
[ 618.924245][ T9297] ? __kernfs_new_node+0xdf/0x890
[ 618.924268][ T9297] __kernfs_new_node+0xdf/0x890
[ 618.924285][ T9297] ? __lock_acquire+0xad5/0xd80
[ 618.924310][ T9297] ? __pfx___kernfs_new_node+0x10/0x10
[ 618.924337][ T9297] ? kernfs_root+0x1c/0x230
[ 618.924355][ T9297] ? kernfs_root+0x1c/0x230
[ 618.924374][ T9297] kernfs_new_node+0x114/0x220
[ 618.924398][ T9297] kernfs_create_link+0xa5/0x1f0
[ 618.924423][ T9297] sysfs_do_create_link_sd+0x85/0x110
[ 618.924443][ T9297] software_node_notify+0xd9/0x1b0
[ 618.924466][ T9297] device_add+0x513/0xbf0
[ 618.924487][ T9297] ? iommufd_test+0x2efb/0x56a0
[ 618.924509][ T9297] iommufd_test+0x3350/0x56a0
[ 618.924538][ T9297] ? __pfx_iommufd_test+0x10/0x10
[ 618.924567][ T9297] ? __lock_acquire+0xad5/0xd80
[ 618.924616][ T9297] iommufd_fops_ioctl+0x4fc/0x610
[ 618.924643][ T9297] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 618.924685][ T9297] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 618.924710][ T9297] __se_sys_ioctl+0xf1/0x160
[ 618.924734][ T9297] do_syscall_64+0xf3/0x230
[ 618.924755][ T9297] ? clear_bhb_loop+0x45/0xa0
[ 618.924776][ T9297] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 618.924793][ T9297] RIP: 0033:0x7fa7297fe6e9
[ 618.924808][ T9297] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 618.924823][ T9297] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 618.924842][ T9297] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
executing program
[ 618.924855][ T9297] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 618.924866][ T9297] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 618.924877][ T9297] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 618.924888][ T9297] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 618.924912][ T9297]
[ 618.925627][ T9297] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 619.233745][ T9298] FAULT_INJECTION: forcing a failure.
[ 619.233745][ T9298] name failslab, interval 1, probability 0, space 0, times 0
[ 619.264029][ T9298] CPU: 0 UID: 0 PID: 9298 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 619.264058][ T9298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 619.264074][ T9298] Call Trace:
[ 619.264082][ T9298]
[ 619.264090][ T9298] dump_stack_lvl+0x241/0x360
[ 619.264133][ T9298] ? __pfx_dump_stack_lvl+0x10/0x10
[ 619.264158][ T9298] ? __pfx__printk+0x10/0x10
[ 619.264186][ T9298] ? __pfx___might_resched+0x10/0x10
[ 619.264212][ T9298] should_fail_ex+0x424/0x570
[ 619.264235][ T9298] should_failslab+0xac/0x100
[ 619.264260][ T9298] kmem_cache_alloc_noprof+0x78/0x390
[ 619.264283][ T9298] ? __kernfs_new_node+0xdf/0x890
[ 619.264306][ T9298] __kernfs_new_node+0xdf/0x890
[ 619.264323][ T9298] ? __lock_acquire+0xad5/0xd80
[ 619.264347][ T9298] ? __pfx___kernfs_new_node+0x10/0x10
[ 619.264374][ T9298] ? kernfs_root+0x1c/0x230
[ 619.264392][ T9298] ? kernfs_root+0x1c/0x230
[ 619.264412][ T9298] kernfs_new_node+0x114/0x220
[ 619.264435][ T9298] kernfs_create_link+0xa5/0x1f0
[ 619.264461][ T9298] sysfs_do_create_link_sd+0x85/0x110
[ 619.264481][ T9298] software_node_notify+0xd9/0x1b0
[ 619.264503][ T9298] device_add+0x513/0xbf0
[ 619.264525][ T9298] ? iommufd_test+0x2efb/0x56a0
[ 619.264545][ T9298] iommufd_test+0x3350/0x56a0
[ 619.264575][ T9298] ? __pfx_iommufd_test+0x10/0x10
[ 619.264604][ T9298] ? __lock_acquire+0xad5/0xd80
[ 619.264651][ T9298] iommufd_fops_ioctl+0x4fc/0x610
[ 619.264677][ T9298] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 619.264720][ T9298] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 619.264744][ T9298] __se_sys_ioctl+0xf1/0x160
[ 619.264767][ T9298] do_syscall_64+0xf3/0x230
[ 619.264789][ T9298] ? clear_bhb_loop+0x45/0xa0
[ 619.264809][ T9298] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 619.264826][ T9298] RIP: 0033:0x7fa7297fe6e9
[ 619.264842][ T9298] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 619.264895][ T9298] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
executing program
[ 619.264914][ T9298] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 619.264927][ T9298] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 619.264938][ T9298] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 619.264950][ T9298] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 619.264962][ T9298] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 619.264989][ T9298]
[ 619.265754][ T9298] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 619.567953][ T9299] FAULT_INJECTION: forcing a failure.
[ 619.567953][ T9299] name failslab, interval 1, probability 0, space 0, times 0
[ 619.594020][ T9299] CPU: 1 UID: 0 PID: 9299 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 619.594048][ T9299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 619.594059][ T9299] Call Trace:
[ 619.594066][ T9299]
[ 619.594074][ T9299] dump_stack_lvl+0x241/0x360
[ 619.594105][ T9299] ? __pfx_dump_stack_lvl+0x10/0x10
[ 619.594129][ T9299] ? __pfx__printk+0x10/0x10
[ 619.594156][ T9299] ? __pfx___might_resched+0x10/0x10
[ 619.594181][ T9299] should_fail_ex+0x424/0x570
[ 619.594205][ T9299] should_failslab+0xac/0x100
[ 619.594231][ T9299] kmem_cache_alloc_noprof+0x78/0x390
[ 619.594254][ T9299] ? __kernfs_new_node+0xdf/0x890
[ 619.594278][ T9299] __kernfs_new_node+0xdf/0x890
[ 619.594297][ T9299] ? __lock_acquire+0xad5/0xd80
[ 619.594319][ T9299] ? __pfx___kernfs_new_node+0x10/0x10
[ 619.594348][ T9299] ? kernfs_root+0x1c/0x230
[ 619.594366][ T9299] ? kernfs_root+0x1c/0x230
[ 619.594386][ T9299] kernfs_new_node+0x114/0x220
[ 619.594410][ T9299] kernfs_create_dir_ns+0x43/0x120
[ 619.594432][ T9299] sysfs_create_dir_ns+0x1a2/0x3f0
[ 619.594454][ T9299] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 619.594475][ T9299] kobject_add_internal+0x435/0x8d0
[ 619.594506][ T9299] kobject_add+0x15b/0x230
[ 619.594530][ T9299] ? kobject_put+0x43d/0x480
[ 619.594551][ T9299] ? __pfx_kobject_add+0x10/0x10
[ 619.594575][ T9299] ? bus_get_dev_root+0x127/0x160
[ 619.594596][ T9299] ? get_device_parent+0x405/0x410
[ 619.594615][ T9299] ? device_add+0x318/0xbf0
[ 619.594637][ T9299] device_add+0x4e5/0xbf0
[ 619.594658][ T9299] ? iommufd_test+0x2efb/0x56a0
[ 619.594679][ T9299] iommufd_test+0x3350/0x56a0
[ 619.594709][ T9299] ? __pfx_iommufd_test+0x10/0x10
[ 619.594738][ T9299] ? __lock_acquire+0xad5/0xd80
[ 619.594787][ T9299] iommufd_fops_ioctl+0x4fc/0x610
[ 619.594813][ T9299] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 619.594856][ T9299] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 619.594881][ T9299] __se_sys_ioctl+0xf1/0x160
[ 619.594912][ T9299] do_syscall_64+0xf3/0x230
[ 619.594933][ T9299] ? clear_bhb_loop+0x45/0xa0
[ 619.594954][ T9299] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 619.594971][ T9299] RIP: 0033:0x7fa7297fe6e9
[ 619.594988][ T9299] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 619.595002][ T9299] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 619.595021][ T9299] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 619.595033][ T9299] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 619.595044][ T9299] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
executing program
[ 619.595056][ T9299] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 619.595067][ T9299] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 619.595094][ T9299]
[ 619.595121][ T9299] kobject: kobject_add_internal failed for iommufd_mock0 (error: -12 parent: devices)
[ 619.914755][ T9300] FAULT_INJECTION: forcing a failure.
[ 619.914755][ T9300] name failslab, interval 1, probability 0, space 0, times 0
[ 619.927689][ T9300] CPU: 1 UID: 0 PID: 9300 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 619.927714][ T9300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 619.927725][ T9300] Call Trace:
[ 619.927733][ T9300]
[ 619.927741][ T9300] dump_stack_lvl+0x241/0x360
[ 619.927772][ T9300] ? __pfx_dump_stack_lvl+0x10/0x10
[ 619.927795][ T9300] ? __pfx__printk+0x10/0x10
[ 619.927822][ T9300] ? __pfx___might_resched+0x10/0x10
[ 619.927849][ T9300] should_fail_ex+0x424/0x570
[ 619.927878][ T9300] should_failslab+0xac/0x100
[ 619.927905][ T9300] kmem_cache_alloc_noprof+0x78/0x390
[ 619.927928][ T9300] ? __kernfs_new_node+0xdf/0x890
[ 619.927951][ T9300] __kernfs_new_node+0xdf/0x890
[ 619.927968][ T9300] ? __lock_acquire+0xad5/0xd80
[ 619.927994][ T9300] ? __pfx___kernfs_new_node+0x10/0x10
[ 619.928021][ T9300] ? kernfs_root+0x1c/0x230
[ 619.928039][ T9300] ? kernfs_root+0x1c/0x230
[ 619.928059][ T9300] kernfs_new_node+0x114/0x220
[ 619.928082][ T9300] kernfs_create_link+0xa5/0x1f0
[ 619.928106][ T9300] sysfs_do_create_link_sd+0x85/0x110
[ 619.928126][ T9300] software_node_notify+0xd9/0x1b0
[ 619.928149][ T9300] device_add+0x513/0xbf0
[ 619.928170][ T9300] ? iommufd_test+0x2efb/0x56a0
[ 619.928192][ T9300] iommufd_test+0x3350/0x56a0
[ 619.928222][ T9300] ? __pfx_iommufd_test+0x10/0x10
[ 619.928250][ T9300] ? __lock_acquire+0xad5/0xd80
[ 619.928300][ T9300] iommufd_fops_ioctl+0x4fc/0x610
[ 619.928327][ T9300] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 619.928370][ T9300] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 619.928394][ T9300] __se_sys_ioctl+0xf1/0x160
[ 619.928418][ T9300] do_syscall_64+0xf3/0x230
[ 619.928440][ T9300] ? clear_bhb_loop+0x45/0xa0
[ 619.928461][ T9300] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 619.928477][ T9300] RIP: 0033:0x7fa7297fe6e9
[ 619.928494][ T9300] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 619.928508][ T9300] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 619.928527][ T9300] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 619.928540][ T9300] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 619.928552][ T9300] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
executing program
[ 619.928564][ T9300] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 619.928575][ T9300] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 619.928602][ T9300]
[ 619.929544][ T9300] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 620.209430][ T9301] FAULT_INJECTION: forcing a failure.
[ 620.209430][ T9301] name failslab, interval 1, probability 0, space 0, times 0
[ 620.222875][ T9301] CPU: 1 UID: 0 PID: 9301 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 620.222901][ T9301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 620.222912][ T9301] Call Trace:
[ 620.222920][ T9301]
[ 620.222928][ T9301] dump_stack_lvl+0x241/0x360
[ 620.222960][ T9301] ? __pfx_dump_stack_lvl+0x10/0x10
[ 620.222984][ T9301] ? __pfx__printk+0x10/0x10
[ 620.223011][ T9301] ? __pfx___might_resched+0x10/0x10
[ 620.223038][ T9301] should_fail_ex+0x424/0x570
[ 620.223062][ T9301] should_failslab+0xac/0x100
[ 620.223087][ T9301] kmem_cache_alloc_noprof+0x78/0x390
[ 620.223110][ T9301] ? __kernfs_new_node+0xdf/0x890
[ 620.223133][ T9301] __kernfs_new_node+0xdf/0x890
[ 620.223150][ T9301] ? __lock_acquire+0xad5/0xd80
[ 620.223175][ T9301] ? __pfx___kernfs_new_node+0x10/0x10
[ 620.223201][ T9301] ? kernfs_root+0x1c/0x230
[ 620.223219][ T9301] ? kernfs_root+0x1c/0x230
[ 620.223239][ T9301] kernfs_new_node+0x114/0x220
[ 620.223262][ T9301] kernfs_create_link+0xa5/0x1f0
[ 620.223288][ T9301] sysfs_do_create_link_sd+0x85/0x110
[ 620.223309][ T9301] software_node_notify+0xd9/0x1b0
[ 620.223330][ T9301] device_add+0x513/0xbf0
[ 620.223351][ T9301] ? iommufd_test+0x2efb/0x56a0
[ 620.223373][ T9301] iommufd_test+0x3350/0x56a0
[ 620.223403][ T9301] ? __pfx_iommufd_test+0x10/0x10
[ 620.223433][ T9301] ? __lock_acquire+0xad5/0xd80
[ 620.223484][ T9301] iommufd_fops_ioctl+0x4fc/0x610
[ 620.223511][ T9301] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 620.223554][ T9301] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 620.223578][ T9301] __se_sys_ioctl+0xf1/0x160
[ 620.223601][ T9301] do_syscall_64+0xf3/0x230
[ 620.223623][ T9301] ? clear_bhb_loop+0x45/0xa0
[ 620.223643][ T9301] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 620.223659][ T9301] RIP: 0033:0x7fa7297fe6e9
[ 620.223675][ T9301] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 620.223689][ T9301] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 620.223709][ T9301] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 620.223721][ T9301] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 620.223733][ T9301] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 620.223744][ T9301] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 620.223755][ T9301] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 620.223782][ T9301]
[ 620.490769][ T9301] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 620.511727][ T9302] FAULT_INJECTION: forcing a failure.
[ 620.511727][ T9302] name failslab, interval 1, probability 0, space 0, times 0
[ 620.529439][ T9302] CPU: 0 UID: 0 PID: 9302 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 620.529468][ T9302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 620.529479][ T9302] Call Trace:
[ 620.529486][ T9302]
[ 620.529495][ T9302] dump_stack_lvl+0x241/0x360
[ 620.529527][ T9302] ? __pfx_dump_stack_lvl+0x10/0x10
[ 620.529551][ T9302] ? __pfx__printk+0x10/0x10
[ 620.529593][ T9302] ? __pfx___might_resched+0x10/0x10
[ 620.529619][ T9302] should_fail_ex+0x424/0x570
[ 620.529643][ T9302] should_failslab+0xac/0x100
[ 620.529668][ T9302] kmem_cache_alloc_noprof+0x78/0x390
[ 620.529690][ T9302] ? __kernfs_new_node+0xdf/0x890
[ 620.529713][ T9302] __kernfs_new_node+0xdf/0x890
[ 620.529731][ T9302] ? __lock_acquire+0xad5/0xd80
[ 620.529755][ T9302] ? __pfx___kernfs_new_node+0x10/0x10
[ 620.529780][ T9302] ? kernfs_root+0x1c/0x230
[ 620.529798][ T9302] ? kernfs_root+0x1c/0x230
[ 620.529818][ T9302] kernfs_new_node+0x114/0x220
[ 620.529841][ T9302] kernfs_create_link+0xa5/0x1f0
[ 620.529867][ T9302] sysfs_do_create_link_sd+0x85/0x110
[ 620.529887][ T9302] software_node_notify+0xd9/0x1b0
[ 620.529909][ T9302] device_add+0x513/0xbf0
[ 620.529931][ T9302] ? iommufd_test+0x2efb/0x56a0
[ 620.529951][ T9302] iommufd_test+0x3350/0x56a0
[ 620.529982][ T9302] ? __pfx_iommufd_test+0x10/0x10
[ 620.530011][ T9302] ? __lock_acquire+0xad5/0xd80
[ 620.530069][ T9302] iommufd_fops_ioctl+0x4fc/0x610
[ 620.530096][ T9302] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 620.530139][ T9302] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 620.530164][ T9302] __se_sys_ioctl+0xf1/0x160
[ 620.530187][ T9302] do_syscall_64+0xf3/0x230
[ 620.530209][ T9302] ? clear_bhb_loop+0x45/0xa0
[ 620.530230][ T9302] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 620.530246][ T9302] RIP: 0033:0x7fa7297fe6e9
executing program
[ 620.530262][ T9302] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 620.530276][ T9302] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 620.530296][ T9302] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 620.530310][ T9302] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 620.530322][ T9302] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 620.530333][ T9302] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
executing program
executing program
[ 620.530344][ T9302] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 620.530371][ T9302]
[ 620.531120][ T9302] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 620.808657][ T9303] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 620.836665][ T9304] FAULT_INJECTION: forcing a failure.
[ 620.836665][ T9304] name failslab, interval 1, probability 0, space 0, times 0
[ 620.862302][ T9304] CPU: 1 UID: 0 PID: 9304 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 620.862330][ T9304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 620.862341][ T9304] Call Trace:
[ 620.862349][ T9304]
[ 620.862357][ T9304] dump_stack_lvl+0x241/0x360
[ 620.862390][ T9304] ? __pfx_dump_stack_lvl+0x10/0x10
[ 620.862419][ T9304] ? __pfx__printk+0x10/0x10
[ 620.862446][ T9304] ? __pfx___might_resched+0x10/0x10
[ 620.862473][ T9304] should_fail_ex+0x424/0x570
[ 620.862498][ T9304] should_failslab+0xac/0x100
[ 620.862524][ T9304] kmem_cache_alloc_noprof+0x78/0x390
[ 620.862546][ T9304] ? __kernfs_new_node+0xdf/0x890
[ 620.862577][ T9304] __kernfs_new_node+0xdf/0x890
[ 620.862597][ T9304] ? __lock_acquire+0xad5/0xd80
[ 620.862620][ T9304] ? __pfx___kernfs_new_node+0x10/0x10
[ 620.862648][ T9304] ? kernfs_root+0x1c/0x230
[ 620.862666][ T9304] ? kernfs_root+0x1c/0x230
[ 620.862686][ T9304] kernfs_new_node+0x114/0x220
[ 620.862709][ T9304] kernfs_create_dir_ns+0x43/0x120
[ 620.862776][ T9304] sysfs_create_dir_ns+0x1a2/0x3f0
[ 620.862797][ T9304] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 620.862823][ T9304] kobject_add_internal+0x435/0x8d0
[ 620.862854][ T9304] kobject_add+0x15b/0x230
[ 620.862877][ T9304] ? kobject_put+0x43d/0x480
[ 620.862899][ T9304] ? __pfx_kobject_add+0x10/0x10
[ 620.862922][ T9304] ? bus_get_dev_root+0x127/0x160
[ 620.862945][ T9304] ? get_device_parent+0x405/0x410
[ 620.862963][ T9304] ? device_add+0x318/0xbf0
[ 620.862983][ T9304] device_add+0x4e5/0xbf0
[ 620.863004][ T9304] ? iommufd_test+0x2efb/0x56a0
[ 620.863025][ T9304] iommufd_test+0x3350/0x56a0
[ 620.863056][ T9304] ? __pfx_iommufd_test+0x10/0x10
[ 620.863085][ T9304] ? __lock_acquire+0xad5/0xd80
[ 620.863135][ T9304] iommufd_fops_ioctl+0x4fc/0x610
[ 620.863162][ T9304] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 620.863204][ T9304] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 620.863229][ T9304] __se_sys_ioctl+0xf1/0x160
[ 620.863252][ T9304] do_syscall_64+0xf3/0x230
[ 620.863274][ T9304] ? clear_bhb_loop+0x45/0xa0
[ 620.863294][ T9304] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 620.863311][ T9304] RIP: 0033:0x7fa7297fe6e9
[ 620.863328][ T9304] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 620.863343][ T9304] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 620.863362][ T9304] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 620.863374][ T9304] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 620.863386][ T9304] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 620.863397][ T9304] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
executing program
[ 620.863409][ T9304] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 620.863435][ T9304]
[ 620.863462][ T9304] kobject: kobject_add_internal failed for iommufd_mock0 (error: -12 parent: devices)
[ 621.174170][ T9305] FAULT_INJECTION: forcing a failure.
[ 621.174170][ T9305] name failslab, interval 1, probability 0, space 0, times 0
[ 621.188411][ T9305] CPU: 1 UID: 0 PID: 9305 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 621.188437][ T9305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 621.188447][ T9305] Call Trace:
[ 621.188455][ T9305]
[ 621.188462][ T9305] dump_stack_lvl+0x241/0x360
[ 621.188494][ T9305] ? __pfx_dump_stack_lvl+0x10/0x10
[ 621.188518][ T9305] ? __pfx__printk+0x10/0x10
[ 621.188545][ T9305] ? __pfx___might_resched+0x10/0x10
[ 621.188570][ T9305] should_fail_ex+0x424/0x570
[ 621.188594][ T9305] should_failslab+0xac/0x100
[ 621.188619][ T9305] __kmalloc_node_track_caller_noprof+0xe2/0x4d0
[ 621.188644][ T9305] ? kobject_set_name_vargs+0x61/0x120
[ 621.188672][ T9305] kvasprintf+0xe1/0x190
[ 621.188699][ T9305] ? __pfx_kvasprintf+0x10/0x10
[ 621.188731][ T9305] ? kvasprintf_const+0x51/0x170
[ 621.188758][ T9305] kobject_set_name_vargs+0x61/0x120
[ 621.188782][ T9305] dev_set_name+0xd7/0x120
[ 621.188802][ T9305] ? iommufd_test+0x16bd/0x56a0
[ 621.188821][ T9305] ? __pfx_dev_set_name+0x10/0x10
[ 621.188839][ T9305] ? __init_waitqueue_head+0xae/0x150
[ 621.188868][ T9305] ? device_initialize+0x266/0x460
[ 621.188891][ T9305] iommufd_test+0x170c/0x56a0
[ 621.188921][ T9305] ? __pfx_iommufd_test+0x10/0x10
[ 621.188950][ T9305] ? __lock_acquire+0xad5/0xd80
[ 621.189007][ T9305] iommufd_fops_ioctl+0x4fc/0x610
[ 621.189034][ T9305] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 621.189078][ T9305] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 621.189101][ T9305] __se_sys_ioctl+0xf1/0x160
[ 621.189124][ T9305] do_syscall_64+0xf3/0x230
[ 621.189146][ T9305] ? clear_bhb_loop+0x45/0xa0
[ 621.189167][ T9305] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 621.189183][ T9305] RIP: 0033:0x7fa7297fe6e9
[ 621.189199][ T9305] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 621.189213][ T9305] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
executing program
[ 621.189233][ T9305] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 621.189246][ T9305] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 621.189257][ T9305] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 621.189268][ T9305] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 621.189280][ T9305] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 621.189307][ T9305]
[ 621.443580][ T9306] FAULT_INJECTION: forcing a failure.
[ 621.443580][ T9306] name failslab, interval 1, probability 0, space 0, times 0
[ 621.456892][ T9306] CPU: 1 UID: 0 PID: 9306 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 621.456920][ T9306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 621.456930][ T9306] Call Trace:
[ 621.456937][ T9306]
[ 621.456945][ T9306] dump_stack_lvl+0x241/0x360
[ 621.456986][ T9306] ? __pfx_dump_stack_lvl+0x10/0x10
[ 621.457010][ T9306] ? __pfx__printk+0x10/0x10
[ 621.457038][ T9306] ? __pfx___might_resched+0x10/0x10
[ 621.457065][ T9306] should_fail_ex+0x424/0x570
[ 621.457088][ T9306] should_failslab+0xac/0x100
[ 621.457114][ T9306] kmem_cache_alloc_noprof+0x78/0x390
[ 621.457137][ T9306] ? __kernfs_new_node+0xdf/0x890
[ 621.457160][ T9306] __kernfs_new_node+0xdf/0x890
[ 621.457177][ T9306] ? __lock_acquire+0xad5/0xd80
[ 621.457202][ T9306] ? __pfx___kernfs_new_node+0x10/0x10
[ 621.457228][ T9306] ? kernfs_root+0x1c/0x230
[ 621.457246][ T9306] ? kernfs_root+0x1c/0x230
[ 621.457266][ T9306] kernfs_new_node+0x114/0x220
[ 621.457289][ T9306] kernfs_create_link+0xa5/0x1f0
[ 621.457316][ T9306] sysfs_do_create_link_sd+0x85/0x110
[ 621.457336][ T9306] software_node_notify+0xd9/0x1b0
[ 621.457358][ T9306] device_add+0x513/0xbf0
[ 621.457379][ T9306] ? iommufd_test+0x2efb/0x56a0
[ 621.457401][ T9306] iommufd_test+0x3350/0x56a0
[ 621.457430][ T9306] ? __pfx_iommufd_test+0x10/0x10
[ 621.457460][ T9306] ? __lock_acquire+0xad5/0xd80
[ 621.457508][ T9306] iommufd_fops_ioctl+0x4fc/0x610
[ 621.457536][ T9306] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 621.457579][ T9306] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 621.457603][ T9306] __se_sys_ioctl+0xf1/0x160
[ 621.457625][ T9306] do_syscall_64+0xf3/0x230
[ 621.457648][ T9306] ? clear_bhb_loop+0x45/0xa0
[ 621.457668][ T9306] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 621.457684][ T9306] RIP: 0033:0x7fa7297fe6e9
[ 621.457700][ T9306] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 621.457714][ T9306] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 621.457733][ T9306] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 621.457746][ T9306] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 621.457757][ T9306] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
executing program
[ 621.457768][ T9306] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 621.457780][ T9306] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 621.457808][ T9306]
[ 621.458554][ T9306] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 621.735834][ T9307] FAULT_INJECTION: forcing a failure.
[ 621.735834][ T9307] name failslab, interval 1, probability 0, space 0, times 0
[ 621.748625][ T9307] CPU: 1 UID: 0 PID: 9307 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 621.748650][ T9307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 621.748661][ T9307] Call Trace:
[ 621.748669][ T9307]
[ 621.748685][ T9307] dump_stack_lvl+0x241/0x360
[ 621.748717][ T9307] ? __pfx_dump_stack_lvl+0x10/0x10
[ 621.748741][ T9307] ? __pfx__printk+0x10/0x10
[ 621.748769][ T9307] ? __pfx___might_resched+0x10/0x10
[ 621.748795][ T9307] should_fail_ex+0x424/0x570
[ 621.748819][ T9307] should_failslab+0xac/0x100
[ 621.748845][ T9307] kmem_cache_alloc_noprof+0x78/0x390
[ 621.748867][ T9307] ? __kernfs_new_node+0xdf/0x890
[ 621.748891][ T9307] __kernfs_new_node+0xdf/0x890
[ 621.748909][ T9307] ? __lock_acquire+0xad5/0xd80
[ 621.748933][ T9307] ? __pfx___kernfs_new_node+0x10/0x10
[ 621.748959][ T9307] ? kernfs_root+0x1c/0x230
[ 621.748977][ T9307] ? kernfs_root+0x1c/0x230
[ 621.748997][ T9307] kernfs_new_node+0x114/0x220
[ 621.749021][ T9307] kernfs_create_link+0xa5/0x1f0
[ 621.749047][ T9307] sysfs_do_create_link_sd+0x85/0x110
[ 621.749067][ T9307] software_node_notify+0xd9/0x1b0
[ 621.749089][ T9307] device_add+0x513/0xbf0
[ 621.749111][ T9307] ? iommufd_test+0x2efb/0x56a0
[ 621.749132][ T9307] iommufd_test+0x3350/0x56a0
[ 621.749163][ T9307] ? __pfx_iommufd_test+0x10/0x10
[ 621.749192][ T9307] ? __lock_acquire+0xad5/0xd80
[ 621.749242][ T9307] iommufd_fops_ioctl+0x4fc/0x610
[ 621.749269][ T9307] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 621.749312][ T9307] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 621.749337][ T9307] __se_sys_ioctl+0xf1/0x160
[ 621.749360][ T9307] do_syscall_64+0xf3/0x230
[ 621.749382][ T9307] ? clear_bhb_loop+0x45/0xa0
[ 621.749403][ T9307] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 621.749419][ T9307] RIP: 0033:0x7fa7297fe6e9
[ 621.749434][ T9307] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 621.749448][ T9307] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 621.749468][ T9307] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 621.749481][ T9307] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 621.749492][ T9307] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 621.749504][ T9307] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
executing program
[ 621.749515][ T9307] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 621.749542][ T9307]
[ 621.750295][ T9307] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 622.035409][ T9308] FAULT_INJECTION: forcing a failure.
[ 622.035409][ T9308] name failslab, interval 1, probability 0, space 0, times 0
[ 622.064058][ T9308] CPU: 0 UID: 0 PID: 9308 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 622.064087][ T9308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 622.064098][ T9308] Call Trace:
[ 622.064106][ T9308]
[ 622.064114][ T9308] dump_stack_lvl+0x241/0x360
[ 622.064147][ T9308] ? __pfx_dump_stack_lvl+0x10/0x10
[ 622.064171][ T9308] ? __pfx__printk+0x10/0x10
[ 622.064199][ T9308] ? __pfx___might_resched+0x10/0x10
[ 622.064226][ T9308] should_fail_ex+0x424/0x570
[ 622.064250][ T9308] should_failslab+0xac/0x100
[ 622.064276][ T9308] kmem_cache_alloc_noprof+0x78/0x390
[ 622.064299][ T9308] ? __kernfs_new_node+0xdf/0x890
[ 622.064323][ T9308] __kernfs_new_node+0xdf/0x890
[ 622.064341][ T9308] ? __lock_acquire+0xad5/0xd80
[ 622.064366][ T9308] ? __pfx___kernfs_new_node+0x10/0x10
[ 622.064393][ T9308] ? kernfs_root+0x1c/0x230
[ 622.064411][ T9308] ? kernfs_root+0x1c/0x230
[ 622.064430][ T9308] kernfs_new_node+0x114/0x220
[ 622.064454][ T9308] kernfs_create_link+0xa5/0x1f0
[ 622.064480][ T9308] sysfs_do_create_link_sd+0x85/0x110
[ 622.064501][ T9308] software_node_notify+0xd9/0x1b0
[ 622.064523][ T9308] device_add+0x513/0xbf0
[ 622.064545][ T9308] ? iommufd_test+0x2efb/0x56a0
[ 622.064566][ T9308] iommufd_test+0x3350/0x56a0
[ 622.064597][ T9308] ? __pfx_iommufd_test+0x10/0x10
[ 622.064627][ T9308] ? __lock_acquire+0xad5/0xd80
[ 622.064676][ T9308] iommufd_fops_ioctl+0x4fc/0x610
[ 622.064703][ T9308] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 622.064746][ T9308] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 622.064771][ T9308] __se_sys_ioctl+0xf1/0x160
[ 622.064794][ T9308] do_syscall_64+0xf3/0x230
[ 622.064816][ T9308] ? clear_bhb_loop+0x45/0xa0
[ 622.064836][ T9308] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 622.064852][ T9308] RIP: 0033:0x7fa7297fe6e9
[ 622.064868][ T9308] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 622.064883][ T9308] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 622.064913][ T9308] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 622.064926][ T9308] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 622.064937][ T9308] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 622.064948][ T9308] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
executing program
[ 622.064959][ T9308] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 622.064988][ T9308]
[ 622.065748][ T9308] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 622.375384][ T9311] FAULT_INJECTION: forcing a failure.
[ 622.375384][ T9311] name failslab, interval 1, probability 0, space 0, times 0
[ 622.391406][ T9311] CPU: 1 UID: 0 PID: 9311 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 622.391434][ T9311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 622.391444][ T9311] Call Trace:
[ 622.391452][ T9311]
[ 622.391460][ T9311] dump_stack_lvl+0x241/0x360
[ 622.391492][ T9311] ? __pfx_dump_stack_lvl+0x10/0x10
[ 622.391516][ T9311] ? __pfx__printk+0x10/0x10
[ 622.391544][ T9311] ? __pfx___might_resched+0x10/0x10
[ 622.391570][ T9311] should_fail_ex+0x424/0x570
[ 622.391593][ T9311] should_failslab+0xac/0x100
[ 622.391631][ T9311] kmem_cache_alloc_noprof+0x78/0x390
[ 622.391654][ T9311] ? __kernfs_new_node+0xdf/0x890
[ 622.391678][ T9311] __kernfs_new_node+0xdf/0x890
[ 622.391698][ T9311] ? __lock_acquire+0xad5/0xd80
[ 622.391720][ T9311] ? __pfx___kernfs_new_node+0x10/0x10
[ 622.391749][ T9311] ? kernfs_root+0x1c/0x230
[ 622.391768][ T9311] ? kernfs_root+0x1c/0x230
[ 622.391787][ T9311] kernfs_new_node+0x114/0x220
[ 622.391810][ T9311] kernfs_create_dir_ns+0x43/0x120
[ 622.391833][ T9311] sysfs_create_dir_ns+0x1a2/0x3f0
[ 622.391853][ T9311] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 622.391878][ T9311] kobject_add_internal+0x435/0x8d0
[ 622.391909][ T9311] kobject_add+0x15b/0x230
[ 622.391933][ T9311] ? kobject_put+0x43d/0x480
[ 622.391954][ T9311] ? __pfx_kobject_add+0x10/0x10
[ 622.391978][ T9311] ? bus_get_dev_root+0x127/0x160
[ 622.391999][ T9311] ? get_device_parent+0x405/0x410
[ 622.392018][ T9311] ? device_add+0x318/0xbf0
[ 622.392039][ T9311] device_add+0x4e5/0xbf0
[ 622.392060][ T9311] ? iommufd_test+0x2efb/0x56a0
[ 622.392081][ T9311] iommufd_test+0x3350/0x56a0
[ 622.392111][ T9311] ? __pfx_iommufd_test+0x10/0x10
[ 622.392140][ T9311] ? __lock_acquire+0xad5/0xd80
[ 622.392189][ T9311] iommufd_fops_ioctl+0x4fc/0x610
[ 622.392215][ T9311] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 622.392258][ T9311] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 622.392282][ T9311] __se_sys_ioctl+0xf1/0x160
[ 622.392305][ T9311] do_syscall_64+0xf3/0x230
[ 622.392326][ T9311] ? clear_bhb_loop+0x45/0xa0
[ 622.392346][ T9311] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 622.392363][ T9311] RIP: 0033:0x7fa7297fe6e9
[ 622.392379][ T9311] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 622.392394][ T9311] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 622.392413][ T9311] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 622.392427][ T9311] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 622.392439][ T9311] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 622.392450][ T9311] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
executing program
[ 622.392461][ T9311] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 622.392488][ T9311]
[ 622.392514][ T9311] kobject: kobject_add_internal failed for iommufd_mock0 (error: -12 parent: devices)
[ 622.709340][ T9312] FAULT_INJECTION: forcing a failure.
[ 622.709340][ T9312] name failslab, interval 1, probability 0, space 0, times 0
[ 622.722379][ T9312] CPU: 1 UID: 0 PID: 9312 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 622.722403][ T9312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 622.722414][ T9312] Call Trace:
[ 622.722422][ T9312]
[ 622.722429][ T9312] dump_stack_lvl+0x241/0x360
[ 622.722461][ T9312] ? __pfx_dump_stack_lvl+0x10/0x10
[ 622.722485][ T9312] ? __pfx__printk+0x10/0x10
[ 622.722512][ T9312] ? __pfx___might_resched+0x10/0x10
[ 622.722539][ T9312] should_fail_ex+0x424/0x570
[ 622.722572][ T9312] should_failslab+0xac/0x100
[ 622.722598][ T9312] kmem_cache_alloc_noprof+0x78/0x390
[ 622.722621][ T9312] ? __kernfs_new_node+0xdf/0x890
[ 622.722645][ T9312] __kernfs_new_node+0xdf/0x890
[ 622.722662][ T9312] ? __lock_acquire+0xad5/0xd80
[ 622.722687][ T9312] ? __pfx___kernfs_new_node+0x10/0x10
[ 622.722713][ T9312] ? kernfs_root+0x1c/0x230
[ 622.722730][ T9312] ? kernfs_root+0x1c/0x230
[ 622.722750][ T9312] kernfs_new_node+0x114/0x220
[ 622.722773][ T9312] kernfs_create_link+0xa5/0x1f0
[ 622.722799][ T9312] sysfs_do_create_link_sd+0x85/0x110
[ 622.722818][ T9312] software_node_notify+0xd9/0x1b0
[ 622.722840][ T9312] device_add+0x513/0xbf0
[ 622.722861][ T9312] ? iommufd_test+0x2efb/0x56a0
[ 622.722882][ T9312] iommufd_test+0x3350/0x56a0
[ 622.722912][ T9312] ? __pfx_iommufd_test+0x10/0x10
[ 622.722942][ T9312] ? __lock_acquire+0xad5/0xd80
[ 622.722991][ T9312] iommufd_fops_ioctl+0x4fc/0x610
[ 622.723018][ T9312] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 622.723061][ T9312] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 622.723085][ T9312] __se_sys_ioctl+0xf1/0x160
[ 622.723108][ T9312] do_syscall_64+0xf3/0x230
[ 622.723130][ T9312] ? clear_bhb_loop+0x45/0xa0
[ 622.723150][ T9312] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 622.723166][ T9312] RIP: 0033:0x7fa7297fe6e9
[ 622.723183][ T9312] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 622.723196][ T9312] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 622.723216][ T9312] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 622.723228][ T9312] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 622.723240][ T9312] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 622.723251][ T9312] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 622.723262][ T9312] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 622.723289][ T9312]
executing program
[ 622.977236][ T9312] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 623.000185][ T9313] FAULT_INJECTION: forcing a failure.
[ 623.000185][ T9313] name failslab, interval 1, probability 0, space 0, times 0
[ 623.018240][ T9313] CPU: 0 UID: 0 PID: 9313 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 623.018269][ T9313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 623.018280][ T9313] Call Trace:
[ 623.018288][ T9313]
[ 623.018296][ T9313] dump_stack_lvl+0x241/0x360
[ 623.018329][ T9313] ? __pfx_dump_stack_lvl+0x10/0x10
[ 623.018353][ T9313] ? __pfx__printk+0x10/0x10
[ 623.018381][ T9313] ? __pfx___might_resched+0x10/0x10
[ 623.018408][ T9313] should_fail_ex+0x424/0x570
[ 623.018431][ T9313] should_failslab+0xac/0x100
[ 623.018457][ T9313] kmem_cache_alloc_noprof+0x78/0x390
[ 623.018479][ T9313] ? __kernfs_new_node+0xdf/0x890
[ 623.018503][ T9313] __kernfs_new_node+0xdf/0x890
[ 623.018519][ T9313] ? __lock_acquire+0xad5/0xd80
[ 623.018544][ T9313] ? __pfx___kernfs_new_node+0x10/0x10
[ 623.018570][ T9313] ? kernfs_root+0x1c/0x230
[ 623.018587][ T9313] ? kernfs_root+0x1c/0x230
[ 623.018606][ T9313] kernfs_new_node+0x114/0x220
[ 623.018630][ T9313] kernfs_create_link+0xa5/0x1f0
[ 623.018656][ T9313] sysfs_do_create_link_sd+0x85/0x110
[ 623.018676][ T9313] software_node_notify+0xd9/0x1b0
[ 623.018698][ T9313] device_add+0x513/0xbf0
[ 623.018720][ T9313] ? iommufd_test+0x2efb/0x56a0
[ 623.018741][ T9313] iommufd_test+0x3350/0x56a0
[ 623.018772][ T9313] ? __pfx_iommufd_test+0x10/0x10
[ 623.018801][ T9313] ? __lock_acquire+0xad5/0xd80
[ 623.018862][ T9313] iommufd_fops_ioctl+0x4fc/0x610
[ 623.018889][ T9313] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 623.018932][ T9313] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 623.018957][ T9313] __se_sys_ioctl+0xf1/0x160
[ 623.018980][ T9313] do_syscall_64+0xf3/0x230
[ 623.019002][ T9313] ? clear_bhb_loop+0x45/0xa0
[ 623.019022][ T9313] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 623.019038][ T9313] RIP: 0033:0x7fa7297fe6e9
[ 623.019054][ T9313] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 623.019068][ T9313] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 623.019087][ T9313] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 623.019100][ T9313] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 623.019112][ T9313] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 623.019123][ T9313] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 623.019134][ T9313] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 623.019161][ T9313]
[ 623.019910][ T9313] iommufd_mock iommufd_mock0: Adding to iommu group 0
executing program
[ 623.349913][ T9314] FAULT_INJECTION: forcing a failure.
[ 623.349913][ T9314] name failslab, interval 1, probability 0, space 0, times 0
[ 623.363320][ T9314] CPU: 0 UID: 0 PID: 9314 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 623.363345][ T9314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 623.363356][ T9314] Call Trace:
[ 623.363364][ T9314]
[ 623.363372][ T9314] dump_stack_lvl+0x241/0x360
[ 623.363404][ T9314] ? __pfx_dump_stack_lvl+0x10/0x10
[ 623.363429][ T9314] ? __pfx__printk+0x10/0x10
[ 623.363456][ T9314] ? __pfx___might_resched+0x10/0x10
[ 623.363483][ T9314] should_fail_ex+0x424/0x570
[ 623.363507][ T9314] should_failslab+0xac/0x100
[ 623.363543][ T9314] kmem_cache_alloc_noprof+0x78/0x390
[ 623.363566][ T9314] ? __kernfs_new_node+0xdf/0x890
[ 623.363589][ T9314] __kernfs_new_node+0xdf/0x890
[ 623.363607][ T9314] ? __lock_acquire+0xad5/0xd80
[ 623.363631][ T9314] ? __pfx___kernfs_new_node+0x10/0x10
[ 623.363657][ T9314] ? kernfs_root+0x1c/0x230
[ 623.363676][ T9314] ? kernfs_root+0x1c/0x230
[ 623.363695][ T9314] kernfs_new_node+0x114/0x220
[ 623.363718][ T9314] kernfs_create_link+0xa5/0x1f0
[ 623.363744][ T9314] sysfs_do_create_link_sd+0x85/0x110
[ 623.363764][ T9314] software_node_notify+0xd9/0x1b0
[ 623.363786][ T9314] device_add+0x513/0xbf0
[ 623.363808][ T9314] ? iommufd_test+0x2efb/0x56a0
[ 623.363828][ T9314] iommufd_test+0x3350/0x56a0
[ 623.363858][ T9314] ? __pfx_iommufd_test+0x10/0x10
[ 623.363887][ T9314] ? __lock_acquire+0xad5/0xd80
[ 623.363939][ T9314] iommufd_fops_ioctl+0x4fc/0x610
[ 623.363964][ T9314] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 623.364004][ T9314] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 623.364029][ T9314] __se_sys_ioctl+0xf1/0x160
[ 623.364052][ T9314] do_syscall_64+0xf3/0x230
[ 623.364074][ T9314] ? clear_bhb_loop+0x45/0xa0
[ 623.364094][ T9314] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 623.364110][ T9314] RIP: 0033:0x7fa7297fe6e9
[ 623.364126][ T9314] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 623.364140][ T9314] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 623.364160][ T9314] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 623.364173][ T9314] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 623.364184][ T9314] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
executing program
[ 623.364195][ T9314] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 623.364206][ T9314] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 623.364233][ T9314]
[ 623.621239][ T9314] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 623.636803][ T9315] FAULT_INJECTION: forcing a failure.
[ 623.636803][ T9315] name failslab, interval 1, probability 0, space 0, times 0
[ 623.653168][ T9315] CPU: 1 UID: 0 PID: 9315 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 623.653194][ T9315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 623.653205][ T9315] Call Trace:
[ 623.653213][ T9315]
[ 623.653221][ T9315] dump_stack_lvl+0x241/0x360
[ 623.653252][ T9315] ? __pfx_dump_stack_lvl+0x10/0x10
[ 623.653276][ T9315] ? __pfx__printk+0x10/0x10
[ 623.653304][ T9315] ? __pfx___might_resched+0x10/0x10
[ 623.653331][ T9315] should_fail_ex+0x424/0x570
[ 623.653355][ T9315] should_failslab+0xac/0x100
[ 623.653380][ T9315] kmem_cache_alloc_noprof+0x78/0x390
[ 623.653402][ T9315] ? __kernfs_new_node+0xdf/0x890
[ 623.653432][ T9315] __kernfs_new_node+0xdf/0x890
[ 623.653452][ T9315] ? __lock_acquire+0xad5/0xd80
[ 623.653475][ T9315] ? __pfx___kernfs_new_node+0x10/0x10
[ 623.653503][ T9315] ? kernfs_root+0x1c/0x230
[ 623.653521][ T9315] ? kernfs_root+0x1c/0x230
[ 623.653541][ T9315] kernfs_new_node+0x114/0x220
[ 623.653564][ T9315] kernfs_create_dir_ns+0x43/0x120
[ 623.653587][ T9315] sysfs_create_dir_ns+0x1a2/0x3f0
[ 623.653608][ T9315] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 623.653634][ T9315] kobject_add_internal+0x435/0x8d0
[ 623.653665][ T9315] kobject_add+0x15b/0x230
[ 623.653689][ T9315] ? kobject_put+0x43d/0x480
[ 623.653711][ T9315] ? __pfx_kobject_add+0x10/0x10
[ 623.653734][ T9315] ? bus_get_dev_root+0x127/0x160
[ 623.653756][ T9315] ? get_device_parent+0x405/0x410
[ 623.653775][ T9315] ? device_add+0x318/0xbf0
[ 623.653795][ T9315] device_add+0x4e5/0xbf0
[ 623.653816][ T9315] ? iommufd_test+0x2efb/0x56a0
[ 623.653838][ T9315] iommufd_test+0x3350/0x56a0
[ 623.653867][ T9315] ? __pfx_iommufd_test+0x10/0x10
[ 623.653897][ T9315] ? __lock_acquire+0xad5/0xd80
[ 623.653944][ T9315] iommufd_fops_ioctl+0x4fc/0x610
[ 623.653967][ T9315] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 623.654010][ T9315] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 623.654034][ T9315] __se_sys_ioctl+0xf1/0x160
[ 623.654057][ T9315] do_syscall_64+0xf3/0x230
[ 623.654079][ T9315] ? clear_bhb_loop+0x45/0xa0
[ 623.654099][ T9315] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 623.654116][ T9315] RIP: 0033:0x7fa7297fe6e9
[ 623.654133][ T9315] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 623.654147][ T9315] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 623.654167][ T9315] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 623.654180][ T9315] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 623.654192][ T9315] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 623.654203][ T9315] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 623.654214][ T9315] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 623.654241][ T9315]
[ 623.941753][ T9315] kobject: kobject_add_internal failed for iommufd_mock0 (error: -12 parent: devices)
executing program
[ 623.991985][ T9316] FAULT_INJECTION: forcing a failure.
[ 623.991985][ T9316] name failslab, interval 1, probability 0, space 0, times 0
[ 624.014914][ T9316] CPU: 0 UID: 0 PID: 9316 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 624.014945][ T9316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 624.014956][ T9316] Call Trace:
[ 624.014963][ T9316]
[ 624.014971][ T9316] dump_stack_lvl+0x241/0x360
[ 624.015003][ T9316] ? __pfx_dump_stack_lvl+0x10/0x10
[ 624.015027][ T9316] ? __pfx__printk+0x10/0x10
[ 624.015055][ T9316] ? __pfx___might_resched+0x10/0x10
[ 624.015082][ T9316] should_fail_ex+0x424/0x570
[ 624.015105][ T9316] should_failslab+0xac/0x100
[ 624.015131][ T9316] kmem_cache_alloc_noprof+0x78/0x390
[ 624.015154][ T9316] ? __kernfs_new_node+0xdf/0x890
[ 624.015177][ T9316] __kernfs_new_node+0xdf/0x890
[ 624.015195][ T9316] ? __lock_acquire+0xad5/0xd80
[ 624.015220][ T9316] ? __pfx___kernfs_new_node+0x10/0x10
[ 624.015246][ T9316] ? kernfs_root+0x1c/0x230
[ 624.015264][ T9316] ? kernfs_root+0x1c/0x230
[ 624.015284][ T9316] kernfs_new_node+0x114/0x220
[ 624.015307][ T9316] kernfs_create_link+0xa5/0x1f0
[ 624.015333][ T9316] sysfs_do_create_link_sd+0x85/0x110
[ 624.015354][ T9316] software_node_notify+0xd9/0x1b0
[ 624.015376][ T9316] device_add+0x513/0xbf0
[ 624.015397][ T9316] ? iommufd_test+0x2efb/0x56a0
[ 624.015418][ T9316] iommufd_test+0x3350/0x56a0
[ 624.015456][ T9316] ? __pfx_iommufd_test+0x10/0x10
[ 624.015486][ T9316] ? __lock_acquire+0xad5/0xd80
[ 624.015535][ T9316] iommufd_fops_ioctl+0x4fc/0x610
[ 624.015562][ T9316] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 624.015606][ T9316] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 624.015631][ T9316] __se_sys_ioctl+0xf1/0x160
[ 624.015653][ T9316] do_syscall_64+0xf3/0x230
[ 624.015676][ T9316] ? clear_bhb_loop+0x45/0xa0
[ 624.015697][ T9316] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 624.015712][ T9316] RIP: 0033:0x7fa7297fe6e9
[ 624.015729][ T9316] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 624.015742][ T9316] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 624.015762][ T9316] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 624.015775][ T9316] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
executing program
[ 624.015785][ T9316] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 624.015797][ T9316] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 624.015808][ T9316] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 624.015836][ T9316]
[ 624.016589][ T9316] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 624.307444][ T9318] FAULT_INJECTION: forcing a failure.
[ 624.307444][ T9318] name failslab, interval 1, probability 0, space 0, times 0
[ 624.332492][ T9318] CPU: 1 UID: 0 PID: 9318 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 624.332520][ T9318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 624.332531][ T9318] Call Trace:
[ 624.332539][ T9318]
[ 624.332547][ T9318] dump_stack_lvl+0x241/0x360
[ 624.332579][ T9318] ? __pfx_dump_stack_lvl+0x10/0x10
[ 624.332603][ T9318] ? __pfx__printk+0x10/0x10
[ 624.332631][ T9318] ? __pfx___might_resched+0x10/0x10
[ 624.332658][ T9318] should_fail_ex+0x424/0x570
[ 624.332681][ T9318] should_failslab+0xac/0x100
[ 624.332707][ T9318] kmem_cache_alloc_noprof+0x78/0x390
[ 624.332729][ T9318] ? __kernfs_new_node+0xdf/0x890
[ 624.332753][ T9318] __kernfs_new_node+0xdf/0x890
[ 624.332771][ T9318] ? __lock_acquire+0xad5/0xd80
[ 624.332796][ T9318] ? __pfx___kernfs_new_node+0x10/0x10
[ 624.332822][ T9318] ? kernfs_root+0x1c/0x230
[ 624.332840][ T9318] ? kernfs_root+0x1c/0x230
[ 624.332860][ T9318] kernfs_new_node+0x114/0x220
[ 624.332884][ T9318] kernfs_create_link+0xa5/0x1f0
[ 624.332909][ T9318] sysfs_do_create_link_sd+0x85/0x110
[ 624.332929][ T9318] software_node_notify+0xd9/0x1b0
[ 624.332951][ T9318] device_add+0x513/0xbf0
[ 624.332973][ T9318] ? iommufd_test+0x2efb/0x56a0
[ 624.332994][ T9318] iommufd_test+0x3350/0x56a0
[ 624.333025][ T9318] ? __pfx_iommufd_test+0x10/0x10
[ 624.333053][ T9318] ? __lock_acquire+0xad5/0xd80
[ 624.333103][ T9318] iommufd_fops_ioctl+0x4fc/0x610
[ 624.333130][ T9318] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 624.333173][ T9318] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 624.333198][ T9318] __se_sys_ioctl+0xf1/0x160
[ 624.333221][ T9318] do_syscall_64+0xf3/0x230
[ 624.333243][ T9318] ? clear_bhb_loop+0x45/0xa0
[ 624.333263][ T9318] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 624.333329][ T9318] RIP: 0033:0x7fa7297fe6e9
[ 624.333346][ T9318] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 624.333360][ T9318] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 624.333380][ T9318] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 624.333393][ T9318] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 624.333405][ T9318] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 624.333425][ T9318] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 624.333437][ T9318] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 624.333463][ T9318]
[ 624.584745][ T1298] ieee802154 phy0 wpan0: encryption failed: -22
[ 624.591168][ T1298] ieee802154 phy1 wpan1: encryption failed: -22
executing program
[ 624.608388][ T9318] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 624.629773][ T9319] FAULT_INJECTION: forcing a failure.
[ 624.629773][ T9319] name failslab, interval 1, probability 0, space 0, times 0
[ 624.644789][ T9319] CPU: 0 UID: 0 PID: 9319 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 624.644815][ T9319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 624.644825][ T9319] Call Trace:
[ 624.644833][ T9319]
[ 624.644841][ T9319] dump_stack_lvl+0x241/0x360
[ 624.644872][ T9319] ? __pfx_dump_stack_lvl+0x10/0x10
[ 624.644896][ T9319] ? __pfx__printk+0x10/0x10
[ 624.644924][ T9319] ? __pfx___might_resched+0x10/0x10
[ 624.644950][ T9319] should_fail_ex+0x424/0x570
[ 624.644974][ T9319] should_failslab+0xac/0x100
[ 624.644999][ T9319] kmem_cache_alloc_noprof+0x78/0x390
[ 624.645021][ T9319] ? __kernfs_new_node+0xdf/0x890
[ 624.645044][ T9319] __kernfs_new_node+0xdf/0x890
[ 624.645061][ T9319] ? __lock_acquire+0xad5/0xd80
[ 624.645086][ T9319] ? __pfx___kernfs_new_node+0x10/0x10
[ 624.645112][ T9319] ? kernfs_root+0x1c/0x230
[ 624.645131][ T9319] ? kernfs_root+0x1c/0x230
[ 624.645150][ T9319] kernfs_new_node+0x114/0x220
[ 624.645174][ T9319] kernfs_create_link+0xa5/0x1f0
[ 624.645199][ T9319] sysfs_do_create_link_sd+0x85/0x110
[ 624.645219][ T9319] software_node_notify+0xd9/0x1b0
[ 624.645241][ T9319] device_add+0x513/0xbf0
[ 624.645262][ T9319] ? iommufd_test+0x2efb/0x56a0
[ 624.645283][ T9319] iommufd_test+0x3350/0x56a0
[ 624.645313][ T9319] ? __pfx_iommufd_test+0x10/0x10
[ 624.645342][ T9319] ? __lock_acquire+0xad5/0xd80
[ 624.645389][ T9319] iommufd_fops_ioctl+0x4fc/0x610
[ 624.645416][ T9319] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 624.645458][ T9319] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 624.645483][ T9319] __se_sys_ioctl+0xf1/0x160
[ 624.645505][ T9319] do_syscall_64+0xf3/0x230
[ 624.645528][ T9319] ? clear_bhb_loop+0x45/0xa0
[ 624.645548][ T9319] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 624.645565][ T9319] RIP: 0033:0x7fa7297fe6e9
[ 624.645582][ T9319] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 624.645596][ T9319] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
executing program
[ 624.645616][ T9319] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 624.645629][ T9319] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 624.645648][ T9319] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 624.645659][ T9319] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 624.645671][ T9319] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 624.645699][ T9319]
[ 624.646472][ T9319] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 624.921567][ T9320] FAULT_INJECTION: forcing a failure.
[ 624.921567][ T9320] name failslab, interval 1, probability 0, space 0, times 0
[ 624.954198][ T9320] CPU: 1 UID: 0 PID: 9320 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 624.954226][ T9320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 624.954238][ T9320] Call Trace:
[ 624.954245][ T9320]
[ 624.954253][ T9320] dump_stack_lvl+0x241/0x360
[ 624.954285][ T9320] ? __pfx_dump_stack_lvl+0x10/0x10
[ 624.954309][ T9320] ? __pfx__printk+0x10/0x10
[ 624.954343][ T9320] ? __pfx___might_resched+0x10/0x10
[ 624.954369][ T9320] should_fail_ex+0x424/0x570
[ 624.954392][ T9320] should_failslab+0xac/0x100
[ 624.954419][ T9320] kmem_cache_alloc_noprof+0x78/0x390
[ 624.954441][ T9320] ? __kernfs_new_node+0xdf/0x890
[ 624.954464][ T9320] __kernfs_new_node+0xdf/0x890
[ 624.954483][ T9320] ? __lock_acquire+0xad5/0xd80
[ 624.954506][ T9320] ? __pfx___kernfs_new_node+0x10/0x10
[ 624.954535][ T9320] ? kernfs_root+0x1c/0x230
[ 624.954553][ T9320] ? kernfs_root+0x1c/0x230
[ 624.954573][ T9320] kernfs_new_node+0x114/0x220
[ 624.954597][ T9320] kernfs_create_dir_ns+0x43/0x120
[ 624.954627][ T9320] sysfs_create_dir_ns+0x1a2/0x3f0
[ 624.954648][ T9320] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 624.954674][ T9320] kobject_add_internal+0x435/0x8d0
[ 624.954706][ T9320] kobject_add+0x15b/0x230
[ 624.954731][ T9320] ? kobject_put+0x43d/0x480
[ 624.954752][ T9320] ? __pfx_kobject_add+0x10/0x10
[ 624.954775][ T9320] ? bus_get_dev_root+0x127/0x160
[ 624.954798][ T9320] ? get_device_parent+0x405/0x410
[ 624.954816][ T9320] ? device_add+0x318/0xbf0
[ 624.954837][ T9320] device_add+0x4e5/0xbf0
[ 624.954858][ T9320] ? iommufd_test+0x2efb/0x56a0
[ 624.954880][ T9320] iommufd_test+0x3350/0x56a0
[ 624.954907][ T9320] ? __pfx_iommufd_test+0x10/0x10
[ 624.954933][ T9320] ? __lock_acquire+0xad5/0xd80
[ 624.954978][ T9320] iommufd_fops_ioctl+0x4fc/0x610
[ 624.955002][ T9320] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 624.955043][ T9320] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 624.955067][ T9320] __se_sys_ioctl+0xf1/0x160
[ 624.955090][ T9320] do_syscall_64+0xf3/0x230
[ 624.955110][ T9320] ? clear_bhb_loop+0x45/0xa0
[ 624.955132][ T9320] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 624.955148][ T9320] RIP: 0033:0x7fa7297fe6e9
[ 624.955162][ T9320] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 624.955176][ T9320] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 624.955196][ T9320] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 624.955208][ T9320] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
executing program
[ 624.955219][ T9320] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 624.955230][ T9320] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 624.955240][ T9320] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 624.955267][ T9320]
[ 624.955294][ T9320] kobject: kobject_add_internal failed for iommufd_mock0 (error: -12 parent: devices)
[ 625.288548][ T9321] FAULT_INJECTION: forcing a failure.
[ 625.288548][ T9321] name failslab, interval 1, probability 0, space 0, times 0
[ 625.301355][ T9321] CPU: 1 UID: 0 PID: 9321 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 625.301379][ T9321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 625.301390][ T9321] Call Trace:
[ 625.301398][ T9321]
[ 625.301406][ T9321] dump_stack_lvl+0x241/0x360
[ 625.301438][ T9321] ? __pfx_dump_stack_lvl+0x10/0x10
[ 625.301462][ T9321] ? __pfx__printk+0x10/0x10
[ 625.301490][ T9321] ? __pfx___might_resched+0x10/0x10
[ 625.301515][ T9321] should_fail_ex+0x424/0x570
[ 625.301539][ T9321] should_failslab+0xac/0x100
[ 625.301565][ T9321] kmem_cache_alloc_noprof+0x78/0x390
[ 625.301587][ T9321] ? __kernfs_new_node+0xdf/0x890
[ 625.301610][ T9321] __kernfs_new_node+0xdf/0x890
[ 625.301627][ T9321] ? __lock_acquire+0xad5/0xd80
[ 625.301652][ T9321] ? __pfx___kernfs_new_node+0x10/0x10
[ 625.301678][ T9321] ? kernfs_root+0x1c/0x230
[ 625.301696][ T9321] ? kernfs_root+0x1c/0x230
[ 625.301716][ T9321] kernfs_new_node+0x114/0x220
[ 625.301740][ T9321] kernfs_create_link+0xa5/0x1f0
[ 625.301766][ T9321] sysfs_do_create_link_sd+0x85/0x110
[ 625.301786][ T9321] software_node_notify+0xd9/0x1b0
[ 625.301808][ T9321] device_add+0x513/0xbf0
[ 625.301830][ T9321] ? iommufd_test+0x2efb/0x56a0
[ 625.301851][ T9321] iommufd_test+0x3350/0x56a0
[ 625.301881][ T9321] ? __pfx_iommufd_test+0x10/0x10
[ 625.301910][ T9321] ? __lock_acquire+0xad5/0xd80
[ 625.301960][ T9321] iommufd_fops_ioctl+0x4fc/0x610
[ 625.301987][ T9321] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 625.302029][ T9321] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 625.302054][ T9321] __se_sys_ioctl+0xf1/0x160
[ 625.302076][ T9321] do_syscall_64+0xf3/0x230
[ 625.302098][ T9321] ? clear_bhb_loop+0x45/0xa0
[ 625.302118][ T9321] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 625.302135][ T9321] RIP: 0033:0x7fa7297fe6e9
[ 625.302150][ T9321] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 625.302165][ T9321] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 625.302184][ T9321] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 625.302197][ T9321] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 625.302208][ T9321] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
executing program
[ 625.302219][ T9321] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 625.302231][ T9321] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 625.302258][ T9321]
[ 625.302997][ T9321] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 625.572506][ T9322] FAULT_INJECTION: forcing a failure.
[ 625.572506][ T9322] name failslab, interval 1, probability 0, space 0, times 0
[ 625.585719][ T9322] CPU: 1 UID: 0 PID: 9322 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 625.585745][ T9322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 625.585755][ T9322] Call Trace:
[ 625.585763][ T9322]
[ 625.585771][ T9322] dump_stack_lvl+0x241/0x360
[ 625.585803][ T9322] ? __pfx_dump_stack_lvl+0x10/0x10
[ 625.585827][ T9322] ? __pfx__printk+0x10/0x10
[ 625.585855][ T9322] ? __pfx___might_resched+0x10/0x10
[ 625.585881][ T9322] should_fail_ex+0x424/0x570
[ 625.585903][ T9322] should_failslab+0xac/0x100
[ 625.585927][ T9322] kmem_cache_alloc_noprof+0x78/0x390
[ 625.585951][ T9322] ? __kernfs_new_node+0xdf/0x890
[ 625.585974][ T9322] __kernfs_new_node+0xdf/0x890
[ 625.585991][ T9322] ? __lock_acquire+0xad5/0xd80
[ 625.586016][ T9322] ? __pfx___kernfs_new_node+0x10/0x10
[ 625.586042][ T9322] ? kernfs_root+0x1c/0x230
[ 625.586060][ T9322] ? kernfs_root+0x1c/0x230
[ 625.586080][ T9322] kernfs_new_node+0x114/0x220
[ 625.586103][ T9322] kernfs_create_link+0xa5/0x1f0
[ 625.586129][ T9322] sysfs_do_create_link_sd+0x85/0x110
[ 625.586149][ T9322] software_node_notify+0xd9/0x1b0
[ 625.586170][ T9322] device_add+0x513/0xbf0
[ 625.586191][ T9322] ? iommufd_test+0x2efb/0x56a0
[ 625.586229][ T9322] iommufd_test+0x3350/0x56a0
[ 625.586265][ T9322] ? __pfx_iommufd_test+0x10/0x10
[ 625.586295][ T9322] ? __lock_acquire+0xad5/0xd80
[ 625.586344][ T9322] iommufd_fops_ioctl+0x4fc/0x610
[ 625.586369][ T9322] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 625.586412][ T9322] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 625.586436][ T9322] __se_sys_ioctl+0xf1/0x160
[ 625.586458][ T9322] do_syscall_64+0xf3/0x230
[ 625.586480][ T9322] ? clear_bhb_loop+0x45/0xa0
[ 625.586500][ T9322] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 625.586516][ T9322] RIP: 0033:0x7fa7297fe6e9
[ 625.586531][ T9322] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 625.586545][ T9322] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 625.586564][ T9322] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 625.586577][ T9322] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 625.586589][ T9322] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 625.586600][ T9322] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 625.586611][ T9322] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 625.586639][ T9322]
executing program
[ 625.587380][ T9322] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 625.871130][ T9324] FAULT_INJECTION: forcing a failure.
[ 625.871130][ T9324] name failslab, interval 1, probability 0, space 0, times 0
[ 625.883990][ T9324] CPU: 0 UID: 0 PID: 9324 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 625.884015][ T9324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 625.884026][ T9324] Call Trace:
[ 625.884034][ T9324]
[ 625.884041][ T9324] dump_stack_lvl+0x241/0x360
[ 625.884073][ T9324] ? __pfx_dump_stack_lvl+0x10/0x10
[ 625.884098][ T9324] ? __pfx__printk+0x10/0x10
[ 625.884124][ T9324] ? __pfx___might_resched+0x10/0x10
[ 625.884151][ T9324] should_fail_ex+0x424/0x570
[ 625.884174][ T9324] should_failslab+0xac/0x100
[ 625.884199][ T9324] kmem_cache_alloc_noprof+0x78/0x390
[ 625.884219][ T9324] ? __kernfs_new_node+0xdf/0x890
[ 625.884243][ T9324] __kernfs_new_node+0xdf/0x890
[ 625.884260][ T9324] ? __lock_acquire+0xad5/0xd80
[ 625.884285][ T9324] ? __pfx___kernfs_new_node+0x10/0x10
[ 625.884311][ T9324] ? kernfs_root+0x1c/0x230
[ 625.884329][ T9324] ? kernfs_root+0x1c/0x230
[ 625.884349][ T9324] kernfs_new_node+0x114/0x220
[ 625.884372][ T9324] kernfs_create_link+0xa5/0x1f0
[ 625.884399][ T9324] sysfs_do_create_link_sd+0x85/0x110
[ 625.884419][ T9324] software_node_notify+0xd9/0x1b0
[ 625.884441][ T9324] device_add+0x513/0xbf0
[ 625.884474][ T9324] ? iommufd_test+0x2efb/0x56a0
[ 625.884496][ T9324] iommufd_test+0x3350/0x56a0
[ 625.884526][ T9324] ? __pfx_iommufd_test+0x10/0x10
[ 625.884555][ T9324] ? __lock_acquire+0xad5/0xd80
[ 625.884605][ T9324] iommufd_fops_ioctl+0x4fc/0x610
[ 625.884631][ T9324] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 625.884674][ T9324] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 625.884698][ T9324] __se_sys_ioctl+0xf1/0x160
[ 625.884722][ T9324] do_syscall_64+0xf3/0x230
[ 625.884744][ T9324] ? clear_bhb_loop+0x45/0xa0
[ 625.884764][ T9324] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 625.884781][ T9324] RIP: 0033:0x7fa7297fe6e9
[ 625.884797][ T9324] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 625.884811][ T9324] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 625.884830][ T9324] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 625.884843][ T9324] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 625.884855][ T9324] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 625.884866][ T9324] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 625.884877][ T9324] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 625.884904][ T9324]
[ 625.885689][ T9324] iommufd_mock iommufd_mock0: Adding to iommu group 0
executing program
[ 626.195703][ T9325] FAULT_INJECTION: forcing a failure.
[ 626.195703][ T9325] name failslab, interval 1, probability 0, space 0, times 0
[ 626.218730][ T9325] CPU: 1 UID: 0 PID: 9325 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 626.218758][ T9325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 626.218769][ T9325] Call Trace:
[ 626.218776][ T9325]
[ 626.218783][ T9325] dump_stack_lvl+0x241/0x360
[ 626.218814][ T9325] ? __pfx_dump_stack_lvl+0x10/0x10
[ 626.218841][ T9325] ? __pfx__printk+0x10/0x10
[ 626.218868][ T9325] ? __pfx___might_resched+0x10/0x10
[ 626.218894][ T9325] should_fail_ex+0x424/0x570
[ 626.218917][ T9325] should_failslab+0xac/0x100
[ 626.218941][ T9325] kmem_cache_alloc_noprof+0x78/0x390
[ 626.218962][ T9325] ? __kernfs_new_node+0xdf/0x890
[ 626.218984][ T9325] __kernfs_new_node+0xdf/0x890
[ 626.219003][ T9325] ? __lock_acquire+0xad5/0xd80
[ 626.219024][ T9325] ? __pfx___kernfs_new_node+0x10/0x10
[ 626.219049][ T9325] ? kernfs_root+0x1c/0x230
[ 626.219066][ T9325] ? kernfs_root+0x1c/0x230
[ 626.219085][ T9325] kernfs_new_node+0x114/0x220
[ 626.219106][ T9325] kernfs_create_dir_ns+0x43/0x120
[ 626.219127][ T9325] sysfs_create_dir_ns+0x1a2/0x3f0
[ 626.219148][ T9325] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 626.219174][ T9325] kobject_add_internal+0x435/0x8d0
[ 626.219205][ T9325] kobject_add+0x15b/0x230
[ 626.219228][ T9325] ? kobject_put+0x43d/0x480
[ 626.219256][ T9325] ? __pfx_kobject_add+0x10/0x10
[ 626.219279][ T9325] ? bus_get_dev_root+0x127/0x160
[ 626.219300][ T9325] ? get_device_parent+0x405/0x410
[ 626.219317][ T9325] ? device_add+0x318/0xbf0
[ 626.219339][ T9325] device_add+0x4e5/0xbf0
[ 626.219360][ T9325] ? iommufd_test+0x2efb/0x56a0
[ 626.219380][ T9325] iommufd_test+0x3350/0x56a0
[ 626.219410][ T9325] ? __pfx_iommufd_test+0x10/0x10
[ 626.219437][ T9325] ? __lock_acquire+0xad5/0xd80
[ 626.219486][ T9325] iommufd_fops_ioctl+0x4fc/0x610
[ 626.219512][ T9325] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 626.219554][ T9325] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 626.219579][ T9325] __se_sys_ioctl+0xf1/0x160
[ 626.219601][ T9325] do_syscall_64+0xf3/0x230
[ 626.219629][ T9325] ? clear_bhb_loop+0x45/0xa0
[ 626.219650][ T9325] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 626.219667][ T9325] RIP: 0033:0x7fa7297fe6e9
[ 626.219684][ T9325] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 626.219698][ T9325] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 626.219718][ T9325] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 626.219731][ T9325] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 626.219742][ T9325] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 626.219754][ T9325] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
executing program
[ 626.219765][ T9325] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 626.219792][ T9325]
[ 626.219903][ T9325] kobject: kobject_add_internal failed for iommufd_mock0 (error: -12 parent: devices)
[ 626.530211][ T9326] FAULT_INJECTION: forcing a failure.
[ 626.530211][ T9326] name failslab, interval 1, probability 0, space 0, times 0
[ 626.553901][ T9326] CPU: 0 UID: 0 PID: 9326 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 626.553934][ T9326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 626.553944][ T9326] Call Trace:
[ 626.553951][ T9326]
[ 626.553958][ T9326] dump_stack_lvl+0x241/0x360
[ 626.553990][ T9326] ? __pfx_dump_stack_lvl+0x10/0x10
[ 626.554014][ T9326] ? __pfx__printk+0x10/0x10
[ 626.554040][ T9326] ? __pfx___might_resched+0x10/0x10
[ 626.554067][ T9326] should_fail_ex+0x424/0x570
[ 626.554090][ T9326] should_failslab+0xac/0x100
[ 626.554115][ T9326] kmem_cache_alloc_noprof+0x78/0x390
[ 626.554139][ T9326] ? __kernfs_new_node+0xdf/0x890
[ 626.554161][ T9326] __kernfs_new_node+0xdf/0x890
[ 626.554179][ T9326] ? __lock_acquire+0xad5/0xd80
[ 626.554210][ T9326] ? __pfx___kernfs_new_node+0x10/0x10
[ 626.554236][ T9326] ? kernfs_root+0x1c/0x230
[ 626.554255][ T9326] ? kernfs_root+0x1c/0x230
[ 626.554273][ T9326] kernfs_new_node+0x114/0x220
[ 626.554296][ T9326] kernfs_create_link+0xa5/0x1f0
[ 626.554322][ T9326] sysfs_do_create_link_sd+0x85/0x110
[ 626.554341][ T9326] software_node_notify+0xd9/0x1b0
[ 626.554363][ T9326] device_add+0x513/0xbf0
[ 626.554384][ T9326] ? iommufd_test+0x2efb/0x56a0
[ 626.554405][ T9326] iommufd_test+0x3350/0x56a0
[ 626.554435][ T9326] ? __pfx_iommufd_test+0x10/0x10
[ 626.554473][ T9326] ? __lock_acquire+0xad5/0xd80
[ 626.554522][ T9326] iommufd_fops_ioctl+0x4fc/0x610
[ 626.554550][ T9326] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 626.554591][ T9326] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 626.554615][ T9326] __se_sys_ioctl+0xf1/0x160
[ 626.554639][ T9326] do_syscall_64+0xf3/0x230
[ 626.554661][ T9326] ? clear_bhb_loop+0x45/0xa0
[ 626.554681][ T9326] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 626.554698][ T9326] RIP: 0033:0x7fa7297fe6e9
[ 626.554715][ T9326] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 626.554728][ T9326] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 626.554748][ T9326] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 626.554761][ T9326] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 626.554772][ T9326] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 626.554784][ T9326] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 626.554795][ T9326] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 626.554822][ T9326]
executing program
[ 626.851534][ T9326] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 626.873074][ T9327] FAULT_INJECTION: forcing a failure.
[ 626.873074][ T9327] name failslab, interval 1, probability 0, space 0, times 0
[ 626.886191][ T9327] CPU: 0 UID: 0 PID: 9327 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 626.886217][ T9327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 626.886228][ T9327] Call Trace:
[ 626.886236][ T9327]
[ 626.886244][ T9327] dump_stack_lvl+0x241/0x360
[ 626.886275][ T9327] ? __pfx_dump_stack_lvl+0x10/0x10
[ 626.886300][ T9327] ? __pfx__printk+0x10/0x10
[ 626.886324][ T9327] ? __pfx___might_resched+0x10/0x10
[ 626.886350][ T9327] should_fail_ex+0x424/0x570
[ 626.886375][ T9327] should_failslab+0xac/0x100
[ 626.886401][ T9327] kmem_cache_alloc_noprof+0x78/0x390
[ 626.886438][ T9327] ? __kernfs_new_node+0xdf/0x890
[ 626.886462][ T9327] __kernfs_new_node+0xdf/0x890
[ 626.886480][ T9327] ? __lock_acquire+0xad5/0xd80
[ 626.886501][ T9327] ? __pfx___kernfs_new_node+0x10/0x10
[ 626.886529][ T9327] ? kernfs_root+0x1c/0x230
[ 626.886545][ T9327] ? kernfs_root+0x1c/0x230
[ 626.886561][ T9327] kernfs_new_node+0x114/0x220
[ 626.886582][ T9327] kernfs_create_link+0xa5/0x1f0
[ 626.886605][ T9327] sysfs_do_create_link_sd+0x85/0x110
[ 626.886623][ T9327] software_node_notify+0xd9/0x1b0
[ 626.886641][ T9327] device_add+0x513/0xbf0
[ 626.886660][ T9327] ? iommufd_test+0x2efb/0x56a0
[ 626.886682][ T9327] iommufd_test+0x3350/0x56a0
[ 626.886712][ T9327] ? __pfx_iommufd_test+0x10/0x10
[ 626.886741][ T9327] ? __lock_acquire+0xad5/0xd80
[ 626.886791][ T9327] iommufd_fops_ioctl+0x4fc/0x610
[ 626.886817][ T9327] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 626.886860][ T9327] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 626.886885][ T9327] __se_sys_ioctl+0xf1/0x160
[ 626.886908][ T9327] do_syscall_64+0xf3/0x230
[ 626.886929][ T9327] ? clear_bhb_loop+0x45/0xa0
[ 626.886950][ T9327] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 626.886966][ T9327] RIP: 0033:0x7fa7297fe6e9
[ 626.886982][ T9327] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 626.886997][ T9327] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
executing program
[ 626.887016][ T9327] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 626.887029][ T9327] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 626.887041][ T9327] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 626.887052][ T9327] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 626.887063][ T9327] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 626.887090][ T9327]
[ 626.887841][ T9327] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 627.176160][ T9328] FAULT_INJECTION: forcing a failure.
[ 627.176160][ T9328] name failslab, interval 1, probability 0, space 0, times 0
[ 627.204036][ T9328] CPU: 1 UID: 0 PID: 9328 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 627.204065][ T9328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 627.204076][ T9328] Call Trace:
[ 627.204084][ T9328]
[ 627.204092][ T9328] dump_stack_lvl+0x241/0x360
[ 627.204124][ T9328] ? __pfx_dump_stack_lvl+0x10/0x10
[ 627.204155][ T9328] ? __pfx__printk+0x10/0x10
[ 627.204183][ T9328] ? __pfx___might_resched+0x10/0x10
[ 627.204209][ T9328] should_fail_ex+0x424/0x570
[ 627.204233][ T9328] should_failslab+0xac/0x100
[ 627.204258][ T9328] kmem_cache_alloc_noprof+0x78/0x390
[ 627.204281][ T9328] ? __kernfs_new_node+0xdf/0x890
[ 627.204305][ T9328] __kernfs_new_node+0xdf/0x890
[ 627.204323][ T9328] ? __lock_acquire+0xad5/0xd80
[ 627.204348][ T9328] ? __pfx___kernfs_new_node+0x10/0x10
[ 627.204374][ T9328] ? kernfs_root+0x1c/0x230
[ 627.204393][ T9328] ? kernfs_root+0x1c/0x230
[ 627.204413][ T9328] kernfs_new_node+0x114/0x220
[ 627.204437][ T9328] kernfs_create_link+0xa5/0x1f0
[ 627.204463][ T9328] sysfs_do_create_link_sd+0x85/0x110
[ 627.204482][ T9328] software_node_notify+0xd9/0x1b0
[ 627.204504][ T9328] device_add+0x513/0xbf0
[ 627.204526][ T9328] ? iommufd_test+0x2efb/0x56a0
[ 627.204547][ T9328] iommufd_test+0x3350/0x56a0
[ 627.204578][ T9328] ? __pfx_iommufd_test+0x10/0x10
[ 627.204608][ T9328] ? __lock_acquire+0xad5/0xd80
[ 627.204658][ T9328] iommufd_fops_ioctl+0x4fc/0x610
[ 627.204685][ T9328] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 627.204729][ T9328] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 627.204752][ T9328] __se_sys_ioctl+0xf1/0x160
[ 627.204774][ T9328] do_syscall_64+0xf3/0x230
[ 627.204797][ T9328] ? clear_bhb_loop+0x45/0xa0
[ 627.204817][ T9328] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 627.204833][ T9328] RIP: 0033:0x7fa7297fe6e9
[ 627.204849][ T9328] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 627.204863][ T9328] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
executing program
[ 627.204883][ T9328] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 627.204896][ T9328] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 627.204908][ T9328] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 627.204919][ T9328] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 627.204931][ T9328] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 627.204958][ T9328]
[ 627.205736][ T9328] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 627.515447][ T9329] FAULT_INJECTION: forcing a failure.
[ 627.515447][ T9329] name failslab, interval 1, probability 0, space 0, times 0
[ 627.530925][ T9329] CPU: 0 UID: 0 PID: 9329 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 627.530953][ T9329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 627.530964][ T9329] Call Trace:
[ 627.530971][ T9329]
[ 627.530979][ T9329] dump_stack_lvl+0x241/0x360
[ 627.531011][ T9329] ? __pfx_dump_stack_lvl+0x10/0x10
[ 627.531036][ T9329] ? __pfx__printk+0x10/0x10
[ 627.531062][ T9329] ? __pfx___might_resched+0x10/0x10
[ 627.531088][ T9329] should_fail_ex+0x424/0x570
[ 627.531111][ T9329] should_failslab+0xac/0x100
[ 627.531137][ T9329] kmem_cache_alloc_noprof+0x78/0x390
[ 627.531160][ T9329] ? __kernfs_new_node+0xdf/0x890
[ 627.531183][ T9329] __kernfs_new_node+0xdf/0x890
[ 627.531203][ T9329] ? __lock_acquire+0xad5/0xd80
[ 627.531226][ T9329] ? __pfx___kernfs_new_node+0x10/0x10
[ 627.531254][ T9329] ? kernfs_root+0x1c/0x230
[ 627.531273][ T9329] ? kernfs_root+0x1c/0x230
[ 627.531300][ T9329] kernfs_new_node+0x114/0x220
[ 627.531323][ T9329] kernfs_create_dir_ns+0x43/0x120
[ 627.531347][ T9329] sysfs_create_dir_ns+0x1a2/0x3f0
[ 627.531367][ T9329] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 627.531393][ T9329] kobject_add_internal+0x435/0x8d0
[ 627.531425][ T9329] kobject_add+0x15b/0x230
[ 627.531449][ T9329] ? kobject_put+0x43d/0x480
[ 627.531471][ T9329] ? __pfx_kobject_add+0x10/0x10
[ 627.531494][ T9329] ? bus_get_dev_root+0x127/0x160
[ 627.531516][ T9329] ? get_device_parent+0x405/0x410
[ 627.531535][ T9329] ? device_add+0x318/0xbf0
[ 627.531558][ T9329] device_add+0x4e5/0xbf0
[ 627.531579][ T9329] ? iommufd_test+0x2efb/0x56a0
[ 627.531600][ T9329] iommufd_test+0x3350/0x56a0
[ 627.531630][ T9329] ? __pfx_iommufd_test+0x10/0x10
[ 627.531659][ T9329] ? __lock_acquire+0xad5/0xd80
[ 627.531708][ T9329] iommufd_fops_ioctl+0x4fc/0x610
[ 627.531735][ T9329] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 627.531777][ T9329] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 627.531802][ T9329] __se_sys_ioctl+0xf1/0x160
[ 627.531825][ T9329] do_syscall_64+0xf3/0x230
[ 627.531847][ T9329] ? clear_bhb_loop+0x45/0xa0
[ 627.531868][ T9329] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 627.531885][ T9329] RIP: 0033:0x7fa7297fe6e9
[ 627.531901][ T9329] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 627.531916][ T9329] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 627.531935][ T9329] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 627.531949][ T9329] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 627.531960][ T9329] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 627.531972][ T9329] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 627.531982][ T9329] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
executing program
[ 627.532010][ T9329]
[ 627.532035][ T9329] kobject: kobject_add_internal failed for iommufd_mock0 (error: -12 parent: devices)
[ 627.842102][ T9331] FAULT_INJECTION: forcing a failure.
[ 627.842102][ T9331] name failslab, interval 1, probability 0, space 0, times 0
[ 627.860476][ T9331] CPU: 0 UID: 0 PID: 9331 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 627.860505][ T9331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 627.860516][ T9331] Call Trace:
[ 627.860524][ T9331]
[ 627.860531][ T9331] dump_stack_lvl+0x241/0x360
[ 627.860565][ T9331] ? __pfx_dump_stack_lvl+0x10/0x10
[ 627.860590][ T9331] ? __pfx__printk+0x10/0x10
[ 627.860618][ T9331] ? __pfx___might_resched+0x10/0x10
[ 627.860645][ T9331] should_fail_ex+0x424/0x570
[ 627.860669][ T9331] should_failslab+0xac/0x100
[ 627.860694][ T9331] kmem_cache_alloc_noprof+0x78/0x390
[ 627.860717][ T9331] ? __kernfs_new_node+0xdf/0x890
[ 627.860739][ T9331] __kernfs_new_node+0xdf/0x890
[ 627.860756][ T9331] ? __lock_acquire+0xad5/0xd80
[ 627.860781][ T9331] ? __pfx___kernfs_new_node+0x10/0x10
[ 627.860807][ T9331] ? kernfs_root+0x1c/0x230
[ 627.860825][ T9331] ? kernfs_root+0x1c/0x230
[ 627.860845][ T9331] kernfs_new_node+0x114/0x220
[ 627.860868][ T9331] kernfs_create_link+0xa5/0x1f0
[ 627.860894][ T9331] sysfs_do_create_link_sd+0x85/0x110
[ 627.860914][ T9331] software_node_notify+0xd9/0x1b0
[ 627.860935][ T9331] device_add+0x513/0xbf0
[ 627.860956][ T9331] ? iommufd_test+0x2efb/0x56a0
[ 627.860978][ T9331] iommufd_test+0x3350/0x56a0
[ 627.861007][ T9331] ? __pfx_iommufd_test+0x10/0x10
[ 627.861034][ T9331] ? __lock_acquire+0xad5/0xd80
[ 627.861083][ T9331] iommufd_fops_ioctl+0x4fc/0x610
[ 627.861110][ T9331] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 627.861152][ T9331] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 627.861177][ T9331] __se_sys_ioctl+0xf1/0x160
[ 627.861200][ T9331] do_syscall_64+0xf3/0x230
[ 627.861222][ T9331] ? clear_bhb_loop+0x45/0xa0
[ 627.861242][ T9331] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 627.861258][ T9331] RIP: 0033:0x7fa7297fe6e9
[ 627.861274][ T9331] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 627.861295][ T9331] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 627.861315][ T9331] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 627.861328][ T9331] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 627.861339][ T9331] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 627.861350][ T9331] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 627.861362][ T9331] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 627.861389][ T9331]
executing program
[ 627.862135][ T9331] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 628.142505][ T9332] FAULT_INJECTION: forcing a failure.
[ 628.142505][ T9332] name failslab, interval 1, probability 0, space 0, times 0
[ 628.155655][ T9332] CPU: 0 UID: 0 PID: 9332 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 628.155679][ T9332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 628.155691][ T9332] Call Trace:
[ 628.155698][ T9332]
[ 628.155705][ T9332] dump_stack_lvl+0x241/0x360
[ 628.155737][ T9332] ? __pfx_dump_stack_lvl+0x10/0x10
[ 628.155761][ T9332] ? __pfx__printk+0x10/0x10
[ 628.155789][ T9332] ? __pfx___might_resched+0x10/0x10
[ 628.155816][ T9332] should_fail_ex+0x424/0x570
[ 628.155838][ T9332] should_failslab+0xac/0x100
[ 628.155864][ T9332] kmem_cache_alloc_noprof+0x78/0x390
[ 628.155887][ T9332] ? __kernfs_new_node+0xdf/0x890
[ 628.155910][ T9332] __kernfs_new_node+0xdf/0x890
[ 628.155928][ T9332] ? __lock_acquire+0xad5/0xd80
[ 628.155953][ T9332] ? __pfx___kernfs_new_node+0x10/0x10
[ 628.155979][ T9332] ? kernfs_root+0x1c/0x230
[ 628.155998][ T9332] ? kernfs_root+0x1c/0x230
[ 628.156018][ T9332] kernfs_new_node+0x114/0x220
[ 628.156041][ T9332] kernfs_create_link+0xa5/0x1f0
[ 628.156066][ T9332] sysfs_do_create_link_sd+0x85/0x110
[ 628.156086][ T9332] software_node_notify+0xd9/0x1b0
[ 628.156107][ T9332] device_add+0x513/0xbf0
[ 628.156128][ T9332] ? iommufd_test+0x2efb/0x56a0
[ 628.156149][ T9332] iommufd_test+0x3350/0x56a0
[ 628.156178][ T9332] ? __pfx_iommufd_test+0x10/0x10
[ 628.156208][ T9332] ? __lock_acquire+0xad5/0xd80
[ 628.156257][ T9332] iommufd_fops_ioctl+0x4fc/0x610
[ 628.156283][ T9332] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 628.156335][ T9332] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 628.156359][ T9332] __se_sys_ioctl+0xf1/0x160
[ 628.156382][ T9332] do_syscall_64+0xf3/0x230
[ 628.156404][ T9332] ? clear_bhb_loop+0x45/0xa0
[ 628.156425][ T9332] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 628.156441][ T9332] RIP: 0033:0x7fa7297fe6e9
[ 628.156457][ T9332] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 628.156471][ T9332] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 628.156490][ T9332] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 628.156502][ T9332] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 628.156513][ T9332] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
executing program
[ 628.156525][ T9332] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 628.156536][ T9332] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 628.156564][ T9332]
[ 628.157303][ T9332] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 628.436799][ T9333] FAULT_INJECTION: forcing a failure.
[ 628.436799][ T9333] name failslab, interval 1, probability 0, space 0, times 0
[ 628.451172][ T9333] CPU: 0 UID: 0 PID: 9333 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 628.451205][ T9333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 628.451216][ T9333] Call Trace:
[ 628.451225][ T9333]
[ 628.451232][ T9333] dump_stack_lvl+0x241/0x360
[ 628.451265][ T9333] ? __pfx_dump_stack_lvl+0x10/0x10
[ 628.451361][ T9333] ? __pfx__printk+0x10/0x10
[ 628.451392][ T9333] ? __pfx___might_resched+0x10/0x10
[ 628.451418][ T9333] should_fail_ex+0x424/0x570
[ 628.451445][ T9333] should_failslab+0xac/0x100
[ 628.451470][ T9333] kmem_cache_alloc_noprof+0x78/0x390
[ 628.451494][ T9333] ? __kernfs_new_node+0xdf/0x890
[ 628.451517][ T9333] __kernfs_new_node+0xdf/0x890
[ 628.451534][ T9333] ? __lock_acquire+0xad5/0xd80
[ 628.451559][ T9333] ? __pfx___kernfs_new_node+0x10/0x10
[ 628.451590][ T9333] ? kernfs_root+0x1c/0x230
[ 628.451608][ T9333] ? kernfs_root+0x1c/0x230
[ 628.451629][ T9333] kernfs_new_node+0x114/0x220
[ 628.451654][ T9333] kernfs_create_link+0xa5/0x1f0
[ 628.451680][ T9333] sysfs_do_create_link_sd+0x85/0x110
[ 628.451701][ T9333] software_node_notify+0xd9/0x1b0
[ 628.451724][ T9333] device_add+0x513/0xbf0
[ 628.451746][ T9333] ? iommufd_test+0x2efb/0x56a0
[ 628.451767][ T9333] iommufd_test+0x3350/0x56a0
[ 628.451797][ T9333] ? __pfx_iommufd_test+0x10/0x10
[ 628.451826][ T9333] ? __lock_acquire+0xad5/0xd80
[ 628.451876][ T9333] iommufd_fops_ioctl+0x4fc/0x610
[ 628.451904][ T9333] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 628.451948][ T9333] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 628.451974][ T9333] __se_sys_ioctl+0xf1/0x160
[ 628.451998][ T9333] do_syscall_64+0xf3/0x230
[ 628.452018][ T9333] ? clear_bhb_loop+0x45/0xa0
[ 628.452039][ T9333] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 628.452056][ T9333] RIP: 0033:0x7fa7297fe6e9
[ 628.452072][ T9333] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 628.452086][ T9333] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 628.452106][ T9333] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 628.452119][ T9333] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 628.452130][ T9333] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
executing program
[ 628.452146][ T9333] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 628.452157][ T9333] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 628.452186][ T9333]
[ 628.452978][ T9333] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 628.731629][ T9334] FAULT_INJECTION: forcing a failure.
[ 628.731629][ T9334] name failslab, interval 1, probability 0, space 0, times 0
[ 628.744978][ T9334] CPU: 0 UID: 0 PID: 9334 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 628.745003][ T9334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 628.745014][ T9334] Call Trace:
[ 628.745022][ T9334]
[ 628.745031][ T9334] dump_stack_lvl+0x241/0x360
[ 628.745062][ T9334] ? __pfx_dump_stack_lvl+0x10/0x10
[ 628.745086][ T9334] ? __pfx__printk+0x10/0x10
[ 628.745114][ T9334] ? __pfx___might_resched+0x10/0x10
[ 628.745138][ T9334] should_fail_ex+0x424/0x570
[ 628.745163][ T9334] should_failslab+0xac/0x100
[ 628.745188][ T9334] kmem_cache_alloc_noprof+0x78/0x390
[ 628.745210][ T9334] ? __kernfs_new_node+0xdf/0x890
[ 628.745232][ T9334] __kernfs_new_node+0xdf/0x890
[ 628.745251][ T9334] ? __lock_acquire+0xad5/0xd80
[ 628.745274][ T9334] ? __pfx___kernfs_new_node+0x10/0x10
[ 628.745302][ T9334] ? kernfs_root+0x1c/0x230
[ 628.745321][ T9334] ? kernfs_root+0x1c/0x230
[ 628.745341][ T9334] kernfs_new_node+0x114/0x220
[ 628.745365][ T9334] kernfs_create_dir_ns+0x43/0x120
[ 628.745388][ T9334] sysfs_create_dir_ns+0x1a2/0x3f0
[ 628.745409][ T9334] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 628.745435][ T9334] kobject_add_internal+0x435/0x8d0
[ 628.745467][ T9334] kobject_add+0x15b/0x230
[ 628.745492][ T9334] ? kobject_put+0x43d/0x480
[ 628.745512][ T9334] ? __pfx_kobject_add+0x10/0x10
[ 628.745536][ T9334] ? bus_get_dev_root+0x127/0x160
[ 628.745558][ T9334] ? get_device_parent+0x405/0x410
[ 628.745576][ T9334] ? device_add+0x318/0xbf0
[ 628.745597][ T9334] device_add+0x4e5/0xbf0
[ 628.745618][ T9334] ? iommufd_test+0x2efb/0x56a0
[ 628.745638][ T9334] iommufd_test+0x3350/0x56a0
[ 628.745668][ T9334] ? __pfx_iommufd_test+0x10/0x10
[ 628.745698][ T9334] ? __lock_acquire+0xad5/0xd80
[ 628.745746][ T9334] iommufd_fops_ioctl+0x4fc/0x610
[ 628.745773][ T9334] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 628.745816][ T9334] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 628.745841][ T9334] __se_sys_ioctl+0xf1/0x160
[ 628.745863][ T9334] do_syscall_64+0xf3/0x230
[ 628.745885][ T9334] ? clear_bhb_loop+0x45/0xa0
[ 628.745929][ T9334] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 628.745946][ T9334] RIP: 0033:0x7fa7297fe6e9
[ 628.745992][ T9334] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 628.746007][ T9334] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 628.746026][ T9334] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 628.746039][ T9334] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 628.746051][ T9334] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 628.746062][ T9334] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 628.746073][ T9334] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 628.746101][ T9334]
executing program
[ 628.746127][ T9334] kobject: kobject_add_internal failed for iommufd_mock0 (error: -12 parent: devices)
[ 629.062048][ T9335] FAULT_INJECTION: forcing a failure.
[ 629.062048][ T9335] name failslab, interval 1, probability 0, space 0, times 0
[ 629.074859][ T9335] CPU: 1 UID: 0 PID: 9335 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 629.074884][ T9335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 629.074896][ T9335] Call Trace:
[ 629.074903][ T9335]
[ 629.074910][ T9335] dump_stack_lvl+0x241/0x360
[ 629.074942][ T9335] ? __pfx_dump_stack_lvl+0x10/0x10
[ 629.074965][ T9335] ? __pfx__printk+0x10/0x10
[ 629.074993][ T9335] ? __pfx___might_resched+0x10/0x10
[ 629.075020][ T9335] should_fail_ex+0x424/0x570
[ 629.075042][ T9335] should_failslab+0xac/0x100
[ 629.075068][ T9335] kmem_cache_alloc_noprof+0x78/0x390
[ 629.075091][ T9335] ? __kernfs_new_node+0xdf/0x890
[ 629.075113][ T9335] __kernfs_new_node+0xdf/0x890
[ 629.075131][ T9335] ? __lock_acquire+0xad5/0xd80
[ 629.075156][ T9335] ? __pfx___kernfs_new_node+0x10/0x10
[ 629.075182][ T9335] ? kernfs_root+0x1c/0x230
[ 629.075207][ T9335] ? kernfs_root+0x1c/0x230
[ 629.075227][ T9335] kernfs_new_node+0x114/0x220
[ 629.075250][ T9335] kernfs_create_link+0xa5/0x1f0
[ 629.075277][ T9335] sysfs_do_create_link_sd+0x85/0x110
[ 629.075296][ T9335] software_node_notify+0xd9/0x1b0
[ 629.075318][ T9335] device_add+0x513/0xbf0
[ 629.075339][ T9335] ? iommufd_test+0x2efb/0x56a0
[ 629.075361][ T9335] iommufd_test+0x3350/0x56a0
[ 629.075390][ T9335] ? __pfx_iommufd_test+0x10/0x10
[ 629.075420][ T9335] ? __lock_acquire+0xad5/0xd80
[ 629.075470][ T9335] iommufd_fops_ioctl+0x4fc/0x610
[ 629.075496][ T9335] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 629.075539][ T9335] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 629.075564][ T9335] __se_sys_ioctl+0xf1/0x160
[ 629.075587][ T9335] do_syscall_64+0xf3/0x230
[ 629.075609][ T9335] ? clear_bhb_loop+0x45/0xa0
[ 629.075629][ T9335] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 629.075645][ T9335] RIP: 0033:0x7fa7297fe6e9
[ 629.075661][ T9335] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 629.075676][ T9335] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 629.075695][ T9335] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 629.075708][ T9335] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 629.075719][ T9335] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
[ 629.075730][ T9335] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 629.075742][ T9335] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 629.075768][ T9335]
[ 629.076510][ T9335] iommufd_mock iommufd_mock0: Adding to iommu group 0
executing program
[ 629.398699][ T9336] FAULT_INJECTION: forcing a failure.
[ 629.398699][ T9336] name failslab, interval 1, probability 0, space 0, times 0
[ 629.413071][ T9336] CPU: 1 UID: 0 PID: 9336 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 629.413097][ T9336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 629.413108][ T9336] Call Trace:
[ 629.413115][ T9336]
[ 629.413123][ T9336] dump_stack_lvl+0x241/0x360
[ 629.413156][ T9336] ? __pfx_dump_stack_lvl+0x10/0x10
[ 629.413180][ T9336] ? __pfx__printk+0x10/0x10
[ 629.413209][ T9336] ? __pfx___might_resched+0x10/0x10
[ 629.413235][ T9336] should_fail_ex+0x424/0x570
[ 629.413258][ T9336] should_failslab+0xac/0x100
[ 629.413283][ T9336] kmem_cache_alloc_noprof+0x78/0x390
[ 629.413306][ T9336] ? __kernfs_new_node+0xdf/0x890
[ 629.413329][ T9336] __kernfs_new_node+0xdf/0x890
[ 629.413347][ T9336] ? __lock_acquire+0xad5/0xd80
[ 629.413372][ T9336] ? __pfx___kernfs_new_node+0x10/0x10
[ 629.413399][ T9336] ? kernfs_root+0x1c/0x230
[ 629.413417][ T9336] ? kernfs_root+0x1c/0x230
[ 629.413437][ T9336] kernfs_new_node+0x114/0x220
[ 629.413461][ T9336] kernfs_create_link+0xa5/0x1f0
[ 629.413487][ T9336] sysfs_do_create_link_sd+0x85/0x110
[ 629.413506][ T9336] software_node_notify+0xd9/0x1b0
[ 629.413528][ T9336] device_add+0x513/0xbf0
[ 629.413548][ T9336] ? iommufd_test+0x2efb/0x56a0
[ 629.413569][ T9336] iommufd_test+0x3350/0x56a0
[ 629.413599][ T9336] ? __pfx_iommufd_test+0x10/0x10
[ 629.413628][ T9336] ? __lock_acquire+0xad5/0xd80
[ 629.413678][ T9336] iommufd_fops_ioctl+0x4fc/0x610
[ 629.413704][ T9336] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 629.413746][ T9336] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 629.413770][ T9336] __se_sys_ioctl+0xf1/0x160
[ 629.413793][ T9336] do_syscall_64+0xf3/0x230
[ 629.413815][ T9336] ? clear_bhb_loop+0x45/0xa0
[ 629.413843][ T9336] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 629.413860][ T9336] RIP: 0033:0x7fa7297fe6e9
[ 629.413875][ T9336] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 629.413889][ T9336] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 629.413908][ T9336] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 629.413925][ T9336] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 629.413935][ T9336] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
executing program
[ 629.413944][ T9336] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 629.413954][ T9336] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 629.413978][ T9336]
[ 629.665726][ T9336] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 629.688967][ T9337] FAULT_INJECTION: forcing a failure.
[ 629.688967][ T9337] name failslab, interval 1, probability 0, space 0, times 0
[ 629.704724][ T9337] CPU: 0 UID: 0 PID: 9337 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 629.704750][ T9337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 629.704761][ T9337] Call Trace:
[ 629.704769][ T9337]
[ 629.704777][ T9337] dump_stack_lvl+0x241/0x360
[ 629.704809][ T9337] ? __pfx_dump_stack_lvl+0x10/0x10
[ 629.704833][ T9337] ? __pfx__printk+0x10/0x10
[ 629.704860][ T9337] ? __pfx___might_resched+0x10/0x10
[ 629.704897][ T9337] should_fail_ex+0x424/0x570
[ 629.704920][ T9337] should_failslab+0xac/0x100
[ 629.704945][ T9337] kmem_cache_alloc_noprof+0x78/0x390
[ 629.704968][ T9337] ? __kernfs_new_node+0xdf/0x890
[ 629.704991][ T9337] __kernfs_new_node+0xdf/0x890
[ 629.705009][ T9337] ? __lock_acquire+0xad5/0xd80
[ 629.705034][ T9337] ? __pfx___kernfs_new_node+0x10/0x10
[ 629.705061][ T9337] ? kernfs_root+0x1c/0x230
[ 629.705080][ T9337] ? kernfs_root+0x1c/0x230
[ 629.705098][ T9337] kernfs_new_node+0x114/0x220
[ 629.705120][ T9337] kernfs_create_link+0xa5/0x1f0
[ 629.705145][ T9337] sysfs_do_create_link_sd+0x85/0x110
[ 629.705164][ T9337] software_node_notify+0xd9/0x1b0
[ 629.705182][ T9337] device_add+0x513/0xbf0
[ 629.705202][ T9337] ? iommufd_test+0x2efb/0x56a0
[ 629.705222][ T9337] iommufd_test+0x3350/0x56a0
[ 629.705250][ T9337] ? __pfx_iommufd_test+0x10/0x10
[ 629.705280][ T9337] ? __lock_acquire+0xad5/0xd80
[ 629.705336][ T9337] iommufd_fops_ioctl+0x4fc/0x610
[ 629.705363][ T9337] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 629.705406][ T9337] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 629.705431][ T9337] __se_sys_ioctl+0xf1/0x160
[ 629.705453][ T9337] do_syscall_64+0xf3/0x230
[ 629.705475][ T9337] ? clear_bhb_loop+0x45/0xa0
[ 629.705496][ T9337] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 629.705511][ T9337] RIP: 0033:0x7fa7297fe6e9
[ 629.705528][ T9337] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 629.705541][ T9337] RSP: 002b:00007ffc48d76138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 629.705561][ T9337] RAX: ffffffffffffffda RBX: 00007ffc48d76150 RCX: 00007fa7297fe6e9
[ 629.705573][ T9337] RDX: 0000200000000200 RSI: 0000000000003ba0 RDI: 0000000000000003
[ 629.705584][ T9337] RBP: 0000000000000002 R08: 00007ffc48d75ed6 R09: 00000000000000a0
executing program
[ 629.705595][ T9337] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc48d7614c
[ 629.705607][ T9337] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 629.705634][ T9337]
[ 629.706519][ T9337] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 629.994991][ T9338] FAULT_INJECTION: forcing a failure.
[ 629.994991][ T9338] name failslab, interval 1, probability 0, space 0, times 0
[ 630.008207][ T9338] CPU: 0 UID: 0 PID: 9338 Comm: syz-executor282 Not tainted 6.15.0-rc2-syzkaller-00037-g834a4a689699-dirty #0 PREEMPT(full)
[ 630.008232][ T9338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 630.008243][ T9338] Call Trace:
[ 630.008251][ T9338]
[ 630.008259][ T9338] dump_stack_lvl+0x241/0x360
[ 630.008291][ T9338] ? __pfx_dump_stack_lvl+0x10/0x10
[ 630.008315][ T9338] ? __pfx__printk+0x10/0x10
[ 630.008343][ T9338] ? __pfx___might_resched+0x10/0x10
[ 630.008370][ T9338] should_fail_ex+0x424/0x570
[ 630.008393][ T9338] should_failslab+0xac/0x100
[ 630.008419][ T9338] kmem_cache_alloc_noprof+0x78/0x390
[ 630.008442][ T9338] ? __kernfs_new_node+0xdf/0x890
[ 630.008465][ T9338] __kernfs_new_node+0xdf/0x890
[ 630.008485][ T9338] ? __lock_acquire+0xad5/0xd80
[ 630.008508][ T9338] ? __pfx___kernfs_new_node+0x10/0x10
[ 630.008537][ T9338] ? kernfs_root+0x1c/0x230
[ 630.008556][ T9338] ? kernfs_root+0x1c/0x230
[ 630.008576][ T9338] kernfs_new_node+0x114/0x220
[ 630.008599][ T9338] kernfs_create_dir_ns+0x43/0x120
[ 630.008623][ T9338] sysfs_create_dir_ns+0x1a2/0x3f0
[ 630.008644][ T9338] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 630.008671][ T9338] kobject_add_internal+0x435/0x8d0
[ 630.008700][ T9338] kobject_add+0x15b/0x230
[ 630.008724][ T9338] ? kobject_put+0x43d/0x480
[ 630.008745][ T9338] ? __pfx_kobject_add+0x10/0x10
[ 630.008769][ T9338] ? bus_get_dev_root+0x127/0x160
[ 630.008791][ T9338] ? get_device_parent+0x405/0x410
[ 630.008810][ T9338] ? device_add+0x318/0xbf0
[ 630.008832][ T9338] device_add+0x4e5/0xbf0
[ 630.008853][ T9338] ? iommufd_test+0x2efb/0x56a0
[ 630.008881][ T9338] iommufd_test+0x3350/0x56a0
[ 630.008912][ T9338] ? __pfx_iommufd_test+0x10/0x10
[ 630.008941][ T9338] ? __lock_acquire+0xad5/0xd80
[ 630.008991][ T9338] iommufd_fops_ioctl+0x4fc/0x610
[ 630.009018][ T9338] ? __pfx_iommufd_fops_ioctl+0x10/0x10