Extracting prog: 3m30.270340279s Minimizing prog: 9m10.496642005s Simplifying prog options: 0s Extracting C: 1m39.178099172s Simplifying C: 10m50.204714074s 1 programs, timeouts [15s 6m0s] extracting reproducer from 1 programs single: executing 1 programs separately with timeout 15s testing program (duration=15s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2f, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0xf6, 0x78, 0xbf, 0x10, 0x5cc, 0x3352, 0x4494, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x1, 0xcc, 0x31, 0x2d, 0x0, [], [{{0x9, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, [@generic={0x2, 0xb}]}}]}}]}}]}}, 0x0) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2f, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0xf6, 0x78, 0xbf, 0x10, 0x5cc, 0x3352, 0x4494, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x1, 0xcc, 0x31, 0x2d, 0x0, [], [{{0x9, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, [@generic={0x2, 0xb}]}}]}}]}}]}}, 0x0) program crashed: INFO: rcu detected stall in corrupted single: successfully extracted reproducer found reproducer with 1 syscalls minimizing guilty program testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect program crashed: WARNING in firmware_fallback_sysfs simplifying C reproducer testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect program crashed: WARNING in firmware_fallback_sysfs testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect program crashed: WARNING in firmware_fallback_sysfs testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect program crashed: WARNING in firmware_fallback_sysfs testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect program crashed: WARNING in firmware_fallback_sysfs testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect program crashed: WARNING in firmware_fallback_sysfs testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect program crashed: WARNING in firmware_fallback_sysfs testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect program crashed: WARNING in firmware_fallback_sysfs reproducing took 25m10.149818659s repro crashed as (corrupted=false): sysfs group 'power' not found for kobject 'ueagle-atm!adi930.fw' WARNING: CPU: 0 PID: 3874 at fs/sysfs/group.c:280 sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:278 Modules linked in: CPU: 0 PID: 3874 Comm: kworker/0:3 Not tainted 6.1.106-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Workqueue: events request_firmware_work_func pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:278 lr : sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:278 sp : ffff8000205e76a0 x29: ffff8000205e76a0 x28: 1fffe0001b0e837d x27: dfff800000000000 x26: ffff8000205e7760 x25: 1fffe0001aad0e0a x24: 1ffff00002658060 x23: dfff800000000000 x22: ffff0000d5687068 x21: ffff0000d5687008 x20: ffff0000c3a8bd98 x19: ffff8000132c02e0 x18: ffff8000205e6aa0 x17: 0000000000000000 x16: ffff80001228a15c x15: 0000000000000000 x14: 1ffff00002b380b0 x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : 5de6de8b8eefcd00 x8 : 5de6de8b8eefcd00 x7 : ffff8000083488f4 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000858d428 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:278 dpm_sysfs_remove+0xa4/0xd4 drivers/base/power/sysfs.c:837 device_del+0x268/0x9bc drivers/base/core.c:3857 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:120 [inline] fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:158 [inline] firmware_fallback_sysfs+0x5c4/0x8b8 drivers/base/firmware_loader/fallback.c:234 _request_firmware+0xccc/0xf4c drivers/base/firmware_loader/main.c:856 request_firmware_work_func+0xfc/0x214 drivers/base/firmware_loader/main.c:1105 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 irq event stamp: 80164 hardirqs last enabled at (80163): [] console_emit_next_record+0x92c/0xb40 kernel/printk/printk.c:2783 hardirqs last disabled at (80164): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (80030): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (80030): [] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599 softirqs last disabled at (80009): [] __do_softirq+0x14/0x20 kernel/softirq.c:605 ---[ end trace 0000000000000000 ]--- usb 1-1: [UEAGLE-ATM] firmware is not available usb 1-1: USB disconnect, device number 28 usb 1-1: new high-speed USB device number 29 using dummy_hcd usb 1-1: Using ep0 maxpacket: 16 usb 1-1: config 0 has an invalid interface association descriptor of length 2, skipping usb 1-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x0, skipping usb 1-1: New USB device found, idVendor=05cc, idProduct=3352, bcdDevice=44.94 usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1: Product: syz usb 1-1: Manufacturer: syz usb 1-1: SerialNumber: syz usb 1-1: config 0 descriptor?? usb 1-1: [ueagle-atm] ADSL device founded vid (0X5CC) pid (0X3352) Rev (0X4494): ADI930 usb 1-1: reset high-speed USB device number 29 using dummy_hcd usb 1-1: device descriptor read/64, error -71 usb 1-1: reset high-speed USB device number 29 using dummy_hcd usb 1-1: [ueagle-atm] pre-firmware device, uploading firmware usb 1-1: [ueagle-atm] loading firmware ueagle-atm/adi930.fw final repro crashed as (corrupted=false): sysfs group 'power' not found for kobject 'ueagle-atm!adi930.fw' WARNING: CPU: 0 PID: 3874 at fs/sysfs/group.c:280 sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:278 Modules linked in: CPU: 0 PID: 3874 Comm: kworker/0:3 Not tainted 6.1.106-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Workqueue: events request_firmware_work_func pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:278 lr : sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:278 sp : ffff8000205e76a0 x29: ffff8000205e76a0 x28: 1fffe0001b0e837d x27: dfff800000000000 x26: ffff8000205e7760 x25: 1fffe0001aad0e0a x24: 1ffff00002658060 x23: dfff800000000000 x22: ffff0000d5687068 x21: ffff0000d5687008 x20: ffff0000c3a8bd98 x19: ffff8000132c02e0 x18: ffff8000205e6aa0 x17: 0000000000000000 x16: ffff80001228a15c x15: 0000000000000000 x14: 1ffff00002b380b0 x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : 5de6de8b8eefcd00 x8 : 5de6de8b8eefcd00 x7 : ffff8000083488f4 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000858d428 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:278 dpm_sysfs_remove+0xa4/0xd4 drivers/base/power/sysfs.c:837 device_del+0x268/0x9bc drivers/base/core.c:3857 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:120 [inline] fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:158 [inline] firmware_fallback_sysfs+0x5c4/0x8b8 drivers/base/firmware_loader/fallback.c:234 _request_firmware+0xccc/0xf4c drivers/base/firmware_loader/main.c:856 request_firmware_work_func+0xfc/0x214 drivers/base/firmware_loader/main.c:1105 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 irq event stamp: 80164 hardirqs last enabled at (80163): [] console_emit_next_record+0x92c/0xb40 kernel/printk/printk.c:2783 hardirqs last disabled at (80164): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (80030): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (80030): [] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599 softirqs last disabled at (80009): [] __do_softirq+0x14/0x20 kernel/softirq.c:605 ---[ end trace 0000000000000000 ]--- usb 1-1: [UEAGLE-ATM] firmware is not available usb 1-1: USB disconnect, device number 28 usb 1-1: new high-speed USB device number 29 using dummy_hcd usb 1-1: Using ep0 maxpacket: 16 usb 1-1: config 0 has an invalid interface association descriptor of length 2, skipping usb 1-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x0, skipping usb 1-1: New USB device found, idVendor=05cc, idProduct=3352, bcdDevice=44.94 usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1: Product: syz usb 1-1: Manufacturer: syz usb 1-1: SerialNumber: syz usb 1-1: config 0 descriptor?? usb 1-1: [ueagle-atm] ADSL device founded vid (0X5CC) pid (0X3352) Rev (0X4494): ADI930 usb 1-1: reset high-speed USB device number 29 using dummy_hcd usb 1-1: device descriptor read/64, error -71 usb 1-1: reset high-speed USB device number 29 using dummy_hcd usb 1-1: [ueagle-atm] pre-firmware device, uploading firmware usb 1-1: [ueagle-atm] loading firmware ueagle-atm/adi930.fw