Extracting prog: 4m22.540839752s Minimizing prog: 7m56.894485344s Simplifying prog options: 0s Extracting C: 1m34.415014288s Simplifying C: 11m34.480421496s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {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, 0x73, &(0x7f0000000340)={{0x12, 0x1, 0x0, 0xb4, 0x8e, 0x2f, 0x10, 0x1039, 0x2121, 0x5ea4, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x61, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x6f, 0x0, 0x2, 0xc5, 0xfe, 0x36, 0x0, [@cdc_ecm={{0x5}, {0x5, 0x24, 0x0, 0x100}, {0xd, 0x24, 0xf, 0x1, 0x0, 0xffff, 0x0, 0x4a}, [@obex={0x5, 0x24, 0x15, 0x7}, @call_mgmt={0x5, 0x24, 0x1, 0x1, 0x1f}, @mbim={0xc, 0x24, 0x1b, 0x0, 0xff, 0x6, 0x7f, 0x3, 0xe1}, @network_terminal={0x7, 0x24, 0xa, 0x72, 0xff, 0x9, 0x7f}]}, @uac_control={{0xa, 0x24, 0x1, 0x6, 0x5}}], [{{0x9, 0x5, 0xa}}, {{0x9, 0x5, 0x87}}]}}]}}]}}, 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, 0x73, &(0x7f0000000340)={{0x12, 0x1, 0x0, 0xb4, 0x8e, 0x2f, 0x10, 0x1039, 0x2121, 0x5ea4, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x61, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x6f, 0x0, 0x2, 0xc5, 0xfe, 0x36, 0x0, [@cdc_ecm={{0x5}, {0x5, 0x24, 0x0, 0x100}, {0xd, 0x24, 0xf, 0x1, 0x0, 0xffff, 0x0, 0x4a}, [@obex={0x5, 0x24, 0x15, 0x7}, @call_mgmt={0x5, 0x24, 0x1, 0x1, 0x1f}, @mbim={0xc, 0x24, 0x1b, 0x0, 0xff, 0x6, 0x7f, 0x3, 0xe1}, @network_terminal={0x7, 0x24, 0xa, 0x72, 0xff, 0x9, 0x7f}]}, @uac_control={{0xa, 0x24, 0x1, 0x6, 0x5}}], [{{0x9, 0x5, 0xa}}, {{0x9, 0x5, 0x87}}]}}]}}]}}, 0x0) program crashed: WARNING in firmware_fallback_sysfs single: successfully extracted reproducer found reproducer with 1 syscalls minimizing guilty program 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, 0x0, 0x0, 0x0) program did not crash 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, 0x56, &(0x7f0000000340)={{0x12, 0x1, 0x0, 0xb4, 0x8e, 0x2f, 0x10, 0x1039, 0x2121, 0x5ea4, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x44, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x6f, 0x0, 0x2, 0xc5, 0xfe, 0x36, 0x0, [@cdc_ecm={{0x5}, {0x5, 0x24, 0x0, 0x100}, {0xd, 0x24, 0xf, 0x1, 0x0, 0xffff, 0x0, 0x4a}}, @uac_control={{0xa, 0x24, 0x1, 0x6, 0x5}}], [{{0x9, 0x5, 0xa}}, {{0x9, 0x5, 0x87}}]}}]}}]}}, 0x0) program crashed: WARNING in firmware_fallback_sysfs extracting C reproducer testing compiled C 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 program crashed: WARNING in firmware_fallback_sysfs simplifying C reproducer testing compiled C program (duration=6m0s, {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=6m0s, {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=6m0s, {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=6m0s, {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=6m0s, {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=6m0s, {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=6m0s, {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 25m28.330781781s repro crashed as (corrupted=false): sysfs group 'power' not found for kobject 'ueagle-atm!eagleII.fw' WARNING: CPU: 0 PID: 7 at fs/sysfs/group.c:281 sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:279 Modules linked in: CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted 5.15.178-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 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:279 lr : sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:279 sp : ffff80001bcd77e0 x29: ffff80001bcd77e0 x28: 1fffe000181286d4 x27: dfff800000000000 x26: ffff80001bcd78a0 x25: 1fffe000181b1e0a x24: 1ffff000025320c0 x23: dfff800000000000 x22: ffff0000c0d8f068 x21: ffff0000c0d8f008 x20: ffff0000c16d63a0 x19: ffff8000129905e0 x18: 0000000000000001 x17: 77662e4949656c67 x16: ffff800011b4e3fc x15: 6c67616575272074 x14: 1ffff0000296e06c x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : 4aded863bcbfc800 x8 : 4aded863bcbfc800 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff8000085568c0 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000041 Call trace: sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:279 dpm_sysfs_remove+0xa4/0xd4 drivers/base/power/sysfs.c:837 device_del+0x268/0x9b4 drivers/base/core.c:3577 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:545 [inline] fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:583 [inline] firmware_fallback_sysfs+0x7ec/0xae8 drivers/base/firmware_loader/fallback.c:659 _request_firmware+0x950/0x1050 drivers/base/firmware_loader/main.c:876 request_firmware_work_func+0xfc/0x214 drivers/base/firmware_loader/main.c:1127 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310 worker_thread+0x910/0x1034 kernel/workqueue.c:2457 kthread+0x37c/0x45c kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 62900 hardirqs last enabled at (62899): [] console_unlock+0xc7c/0x1394 kernel/printk/printk.c:2748 hardirqs last disabled at (62900): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (59978): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (59978): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (59973): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (59973): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (59973): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (59973): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace 895bdac41dd0c425 ]--- 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 number: 111 but max is 0 usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config usb 1-1: config 0 has no interface number 0 usb 1-1: config 0 interface 111 altsetting 0 has 0 endpoint descriptors, different from the interface descriptor's value: 2 usb 1-1: New USB device found, idVendor=1039, idProduct=2121, bcdDevice=5e.a4 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 (0X1039) pid (0X2121) Rev (0X5EA4): Eagle II 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/eagleII.fw final repro crashed as (corrupted=false): sysfs group 'power' not found for kobject 'ueagle-atm!eagleII.fw' WARNING: CPU: 0 PID: 7 at fs/sysfs/group.c:281 sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:279 Modules linked in: CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted 5.15.178-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 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:279 lr : sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:279 sp : ffff80001bcd77e0 x29: ffff80001bcd77e0 x28: 1fffe000181286d4 x27: dfff800000000000 x26: ffff80001bcd78a0 x25: 1fffe000181b1e0a x24: 1ffff000025320c0 x23: dfff800000000000 x22: ffff0000c0d8f068 x21: ffff0000c0d8f008 x20: ffff0000c16d63a0 x19: ffff8000129905e0 x18: 0000000000000001 x17: 77662e4949656c67 x16: ffff800011b4e3fc x15: 6c67616575272074 x14: 1ffff0000296e06c x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : 4aded863bcbfc800 x8 : 4aded863bcbfc800 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff8000085568c0 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000041 Call trace: sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:279 dpm_sysfs_remove+0xa4/0xd4 drivers/base/power/sysfs.c:837 device_del+0x268/0x9b4 drivers/base/core.c:3577 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:545 [inline] fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:583 [inline] firmware_fallback_sysfs+0x7ec/0xae8 drivers/base/firmware_loader/fallback.c:659 _request_firmware+0x950/0x1050 drivers/base/firmware_loader/main.c:876 request_firmware_work_func+0xfc/0x214 drivers/base/firmware_loader/main.c:1127 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310 worker_thread+0x910/0x1034 kernel/workqueue.c:2457 kthread+0x37c/0x45c kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 62900 hardirqs last enabled at (62899): [] console_unlock+0xc7c/0x1394 kernel/printk/printk.c:2748 hardirqs last disabled at (62900): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (59978): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (59978): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (59973): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (59973): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (59973): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (59973): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace 895bdac41dd0c425 ]--- 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 number: 111 but max is 0 usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config usb 1-1: config 0 has no interface number 0 usb 1-1: config 0 interface 111 altsetting 0 has 0 endpoint descriptors, different from the interface descriptor's value: 2 usb 1-1: New USB device found, idVendor=1039, idProduct=2121, bcdDevice=5e.a4 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 (0X1039) pid (0X2121) Rev (0X5EA4): Eagle II 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/eagleII.fw