Extracting prog: 4m24.529514443s Minimizing prog: 6m11.800170415s Simplifying prog options: 0s Extracting C: 1m40.543365391s Simplifying C: 11m22.69017371s 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, 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: 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 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 23m39.563238699s repro crashed as (corrupted=false): sysfs group 'power' not found for kobject 'ueagle-atm!adi930.fw' WARNING: CPU: 1 PID: 21 at fs/sysfs/group.c:281 sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:279 Modules linked in: CPU: 1 PID: 21 Comm: kworker/1:0 Not tainted 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 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 : ffff80001bd077e0 x29: ffff80001bd077e0 x28: 1fffe0001814f36c x27: dfff800000000000 x26: ffff80001bd078a0 x25: 1fffe0001b492c0a x24: 1ffff0000251c464 x23: dfff800000000000 x22: ffff0000da496068 x21: ffff0000da496008 x20: ffff0000c18be570 x19: ffff8000128e2300 x18: 0000000000000001 x17: 0000000000000000 x16: ffff800011ab8a34 x15: 0000000000000012 x14: 1ffff0000295806a x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : 255e0a55c5833000 x8 : 255e0a55c5833000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff800008555e80 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000040 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: 32832 hardirqs last enabled at (32831): [] console_unlock+0xc7c/0x1394 kernel/printk/printk.c:2748 hardirqs last disabled at (32832): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (32700): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (32700): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (32681): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (32681): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (32681): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (32681): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace 741678d2e8a8c775 ]--- usb 1-1: [UEAGLE-ATM] firmware is not available usb 1-1: USB disconnect, device number 30 usb 1-1: new high-speed USB device number 31 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 31 using dummy_hcd usb 1-1: device descriptor read/64, error -71 usb 1-1: reset high-speed USB device number 31 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: 1 PID: 21 at fs/sysfs/group.c:281 sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:279 Modules linked in: CPU: 1 PID: 21 Comm: kworker/1:0 Not tainted 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 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 : ffff80001bd077e0 x29: ffff80001bd077e0 x28: 1fffe0001814f36c x27: dfff800000000000 x26: ffff80001bd078a0 x25: 1fffe0001b492c0a x24: 1ffff0000251c464 x23: dfff800000000000 x22: ffff0000da496068 x21: ffff0000da496008 x20: ffff0000c18be570 x19: ffff8000128e2300 x18: 0000000000000001 x17: 0000000000000000 x16: ffff800011ab8a34 x15: 0000000000000012 x14: 1ffff0000295806a x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : 255e0a55c5833000 x8 : 255e0a55c5833000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff800008555e80 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000040 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: 32832 hardirqs last enabled at (32831): [] console_unlock+0xc7c/0x1394 kernel/printk/printk.c:2748 hardirqs last disabled at (32832): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (32700): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (32700): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (32681): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (32681): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (32681): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (32681): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace 741678d2e8a8c775 ]--- usb 1-1: [UEAGLE-ATM] firmware is not available usb 1-1: USB disconnect, device number 30 usb 1-1: new high-speed USB device number 31 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 31 using dummy_hcd usb 1-1: device descriptor read/64, error -71 usb 1-1: reset high-speed USB device number 31 using dummy_hcd usb 1-1: [ueagle-atm] pre-firmware device, uploading firmware usb 1-1: [ueagle-atm] loading firmware ueagle-atm/adi930.fw