Extracting prog: 24.478740711s
Minimizing prog: 6m2.472159621s
Simplifying prog options: 0s
Extracting C: 23.915926859s
Simplifying C: 4m32.748540834s
extracting reproducer from 30 programs
testing a last program of every proc
single: executing 5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x0, 0x34, &(0x7f0000000180)=ANY=[@ANYBLOB="12010002000000406d042bc500240102000109022200010100a03209040000010300000009211101000122150007058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000006c0)={0x24, 0x0, 0x0, &(0x7f0000000700)=ANY=[@ANYBLOB="0022150000000600ff0901a10185201500260c017508910e8102c0"], 0x0}, 0x0)
program crashed: general protection fault in logi_dj_probe
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x0, 0x34, &(0x7f0000000180)=ANY=[@ANYBLOB="12010002000000406d042bc500240102000109022200010100a03209040000010300000009211101000122150007058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x0, 0x34, &(0x7f0000000180)=ANY=[@ANYBLOB="12010002000000406d042bc500240102000109022200010100a03209040000010300000009211101000122150007058103"], 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000006c0)={0x24, 0x0, 0x0, &(0x7f0000000700)=ANY=[@ANYBLOB="0022150000000600ff0901a10185201500260c017508910e8102c0"], 0x0}, 0x0)
program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
syz_usb_control_io$hid(0xffffffffffffffff, 0x0, 0x0)
syz_usb_control_io$hid(0xffffffffffffffff, &(0x7f00000006c0)={0x24, 0x0, 0x0, &(0x7f0000000700)=ANY=[@ANYBLOB="0022150000000600ff0901a10185201500260c017508910e8102c0"], 0x0}, 0x0)
program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x0, 0x34, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000006c0)={0x24, 0x0, 0x0, &(0x7f0000000700)=ANY=[@ANYBLOB="0022150000000600ff0901a10185201500260c017508910e8102c0"], 0x0}, 0x0)
program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x0, 0x34, &(0x7f0000000180)=ANY=[@ANYBLOB], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000006c0)={0x24, 0x0, 0x0, &(0x7f0000000700)=ANY=[@ANYBLOB="0022150000000600ff0901a10185201500260c017508910e8102c0"], 0x0}, 0x0)
program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x0, 0x34, &(0x7f0000000180)=ANY=[@ANYBLOB="12010002000000406d042bc500240102000109022200010100a03209040000010300000009211101000122150007058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x0, 0x34, &(0x7f0000000180)=ANY=[@ANYBLOB="12010002000000406d042bc500240102000109022200010100a03209040000010300000009211101000122150007058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000006c0)={0x24, 0x0, 0x0, 0x0, 0x0}, 0x0)
program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x0, 0x34, &(0x7f0000000180)=ANY=[@ANYBLOB="12010002000000406d042bc500240102000109022200010100a03209040000010300000009211101000122150007058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000006c0)={0x24, 0x0, 0x0, &(0x7f0000000700)=ANY=[@ANYBLOB], 0x0}, 0x0)
program did not crash
extracting C reproducer
testing compiled C 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
program crashed: general protection fault in logi_dj_probe
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
program crashed: general protection fault in logi_dj_probe
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
program crashed: general protection fault in logi_dj_probe
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
program crashed: general protection fault in logi_dj_probe
testing compiled C program (duration=30s, {Threaded:false Repeat:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
program crashed: general protection fault in logi_dj_probe
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
program crashed: general protection fault in logi_dj_probe
testing compiled C program (duration=30s, {Threaded:false Repeat:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
program crashed: general protection fault in logi_dj_probe
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x0, 0x34, &(0x7f0000000180)=ANY=[@ANYBLOB="12010002000000406d042bc500240102000109022200010100a03209040000010300000009211101000122150007058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000006c0)={0x24, 0x0, 0x0, &(0x7f0000000700)=ANY=[@ANYBLOB="0022150000000600ff0901a10185201500260c017508910e8102c0"], 0x0}, 0x0)
program crashed: general protection fault in logi_dj_probe
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x0, 0x34, &(0x7f0000000180)=ANY=[@ANYBLOB="12010002000000406d042bc500240102000109022200010100a03209040000010300000009211101000122150007058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000006c0)={0x24, 0x0, 0x0, &(0x7f0000000700)=ANY=[@ANYBLOB="0022150000000600ff0901a10185201500260c017508910e8102c0"], 0x0}, 0x0)
program crashed: general protection fault in logi_dj_probe
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x0, 0x34, &(0x7f0000000180)=ANY=[@ANYBLOB="12010002000000406d042bc500240102000109022200010100a03209040000010300000009211101000122150007058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000006c0)={0x24, 0x0, 0x0, &(0x7f0000000700)=ANY=[@ANYBLOB="0022150000000600ff0901a10185201500260c017508910e8102c0"], 0x0}, 0x0)
program crashed: general protection fault in logi_dj_probe
validation run: crashed=true
reproducing took 13m51.580183008s
repro crashed as (corrupted=false):
usb 3-1: New USB device found, idVendor=046d, idProduct=c52b, bcdDevice=24.00
usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 3-1: Product: syz
usb 3-1: Manufacturer: syz
general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f]
CPU: 0 PID: 330 Comm: kworker/0:2 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:logi_dj_probe+0x66f/0xf40 drivers/hid/hid-logitech-dj.c:1803
Code: 3e c5 fd 49 83 c7 40 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 3f dc 0a fe 4d 8b 37 49 83 c6 28 4c 89 f0 48 c1 e8 03 <0f> b6 04 18 84 c0 0f 85 a3 08 00 00 41 8b 0e 49 81 c5 e0 18 00 00
RSP: 0018:ffffc900016d6bc8 EFLAGS: 00010206
RAX: 0000000000000005 RBX: dffffc0000000000 RCX: ffff8881100a5100
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900016d6c18 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520002dac9c R12: 0000000000000000
R13: ffff888113634000 R14: 0000000000000028 R15: ffff888114584040
FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9a076716a0 CR3: 0000000121eb3000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
hid_device_probe+0x273/0x410 drivers/hid/hid-core.c:2694
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x2d7/0x9a0 drivers/base/dd.c:639
__driver_probe_device+0x193/0x270 drivers/base/dd.c:808
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:838
__device_attach_driver+0x2e9/0x4a0 drivers/base/dd.c:966
bus_for_each_drv+0x192/0x220 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:1038
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1087
bus_probe_device+0xc0/0x1f0 drivers/base/bus.c:489
device_add+0xb0b/0xec0 drivers/base/core.c:3698
hid_add_device+0x3b8/0x580 drivers/hid/hid-core.c:2848
usbhid_probe+0xc12/0xff0 drivers/hid/usbhid/hid-core.c:1443
usb_probe_interface+0x621/0xb30 drivers/usb/core/driver.c:397
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x2d7/0x9a0 drivers/base/dd.c:639
__driver_probe_device+0x193/0x270 drivers/base/dd.c:808
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:838
__device_attach_driver+0x2e9/0x4a0 drivers/base/dd.c:966
bus_for_each_drv+0x192/0x220 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:1038
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1087
bus_probe_device+0xc0/0x1f0 drivers/base/bus.c:489
device_add+0xb0b/0xec0 drivers/base/core.c:3698
usb_set_configuration+0x1a01/0x1f70 drivers/usb/core/message.c:2223
usb_generic_driver_probe+0x91/0x150 drivers/usb/core/generic.c:238
usb_probe_device+0x154/0x260 drivers/usb/core/driver.c:294
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x2d7/0x9a0 drivers/base/dd.c:639
__driver_probe_device+0x193/0x270 drivers/base/dd.c:808
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:838
__device_attach_driver+0x2e9/0x4a0 drivers/base/dd.c:966
bus_for_each_drv+0x192/0x220 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:1038
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1087
bus_probe_device+0xc0/0x1f0 drivers/base/bus.c:489
device_add+0xb0b/0xec0 drivers/base/core.c:3698
usb_new_device+0x9f4/0x1500 drivers/usb/core/hub.c:2684
hub_port_connect drivers/usb/core/hub.c:5594 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5734 [inline]
port_event drivers/usb/core/hub.c:5898 [inline]
hub_event+0x27fb/0x4310 drivers/usb/core/hub.c:5980
process_one_work+0x717/0xc30 kernel/workqueue.c:2302
worker_thread+0xa4d/0x11d0 kernel/workqueue.c:2449
kthread+0x281/0x320 kernel/kthread.c:386
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:logi_dj_probe+0x66f/0xf40 drivers/hid/hid-logitech-dj.c:1803
Code: 3e c5 fd 49 83 c7 40 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 3f dc 0a fe 4d 8b 37 49 83 c6 28 4c 89 f0 48 c1 e8 03 <0f> b6 04 18 84 c0 0f 85 a3 08 00 00 41 8b 0e 49 81 c5 e0 18 00 00
RSP: 0018:ffffc900016d6bc8 EFLAGS: 00010206
RAX: 0000000000000005 RBX: dffffc0000000000 RCX: ffff8881100a5100
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900016d6c18 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520002dac9c R12: 0000000000000000
R13: ffff888113634000 R14: 0000000000000028 R15: ffff888114584040
FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9a076716a0 CR3: 000000010fc99000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 3e c5 fd 49 ds (bad)
4: 83 c7 40 add $0x40,%edi
7: 4c 89 f8 mov %r15,%rax
a: 48 c1 e8 03 shr $0x3,%rax
e: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1)
12: 74 08 je 0x1c
14: 4c 89 ff mov %r15,%rdi
17: e8 3f dc 0a fe call 0xfe0adc5b
1c: 4d 8b 37 mov (%r15),%r14
1f: 49 83 c6 28 add $0x28,%r14
23: 4c 89 f0 mov %r14,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 0f b6 04 18 movzbl (%rax,%rbx,1),%eax <-- trapping instruction
2e: 84 c0 test %al,%al
30: 0f 85 a3 08 00 00 jne 0x8d9
36: 41 8b 0e mov (%r14),%ecx
39: 49 81 c5 e0 18 00 00 add $0x18e0,%r13
final repro crashed as (corrupted=false):
usb 3-1: New USB device found, idVendor=046d, idProduct=c52b, bcdDevice=24.00
usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 3-1: Product: syz
usb 3-1: Manufacturer: syz
general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f]
CPU: 0 PID: 330 Comm: kworker/0:2 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:logi_dj_probe+0x66f/0xf40 drivers/hid/hid-logitech-dj.c:1803
Code: 3e c5 fd 49 83 c7 40 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 3f dc 0a fe 4d 8b 37 49 83 c6 28 4c 89 f0 48 c1 e8 03 <0f> b6 04 18 84 c0 0f 85 a3 08 00 00 41 8b 0e 49 81 c5 e0 18 00 00
RSP: 0018:ffffc900016d6bc8 EFLAGS: 00010206
RAX: 0000000000000005 RBX: dffffc0000000000 RCX: ffff8881100a5100
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900016d6c18 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520002dac9c R12: 0000000000000000
R13: ffff888113634000 R14: 0000000000000028 R15: ffff888114584040
FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9a076716a0 CR3: 0000000121eb3000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
hid_device_probe+0x273/0x410 drivers/hid/hid-core.c:2694
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x2d7/0x9a0 drivers/base/dd.c:639
__driver_probe_device+0x193/0x270 drivers/base/dd.c:808
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:838
__device_attach_driver+0x2e9/0x4a0 drivers/base/dd.c:966
bus_for_each_drv+0x192/0x220 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:1038
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1087
bus_probe_device+0xc0/0x1f0 drivers/base/bus.c:489
device_add+0xb0b/0xec0 drivers/base/core.c:3698
hid_add_device+0x3b8/0x580 drivers/hid/hid-core.c:2848
usbhid_probe+0xc12/0xff0 drivers/hid/usbhid/hid-core.c:1443
usb_probe_interface+0x621/0xb30 drivers/usb/core/driver.c:397
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x2d7/0x9a0 drivers/base/dd.c:639
__driver_probe_device+0x193/0x270 drivers/base/dd.c:808
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:838
__device_attach_driver+0x2e9/0x4a0 drivers/base/dd.c:966
bus_for_each_drv+0x192/0x220 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:1038
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1087
bus_probe_device+0xc0/0x1f0 drivers/base/bus.c:489
device_add+0xb0b/0xec0 drivers/base/core.c:3698
usb_set_configuration+0x1a01/0x1f70 drivers/usb/core/message.c:2223
usb_generic_driver_probe+0x91/0x150 drivers/usb/core/generic.c:238
usb_probe_device+0x154/0x260 drivers/usb/core/driver.c:294
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x2d7/0x9a0 drivers/base/dd.c:639
__driver_probe_device+0x193/0x270 drivers/base/dd.c:808
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:838
__device_attach_driver+0x2e9/0x4a0 drivers/base/dd.c:966
bus_for_each_drv+0x192/0x220 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:1038
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1087
bus_probe_device+0xc0/0x1f0 drivers/base/bus.c:489
device_add+0xb0b/0xec0 drivers/base/core.c:3698
usb_new_device+0x9f4/0x1500 drivers/usb/core/hub.c:2684
hub_port_connect drivers/usb/core/hub.c:5594 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5734 [inline]
port_event drivers/usb/core/hub.c:5898 [inline]
hub_event+0x27fb/0x4310 drivers/usb/core/hub.c:5980
process_one_work+0x717/0xc30 kernel/workqueue.c:2302
worker_thread+0xa4d/0x11d0 kernel/workqueue.c:2449
kthread+0x281/0x320 kernel/kthread.c:386
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:logi_dj_probe+0x66f/0xf40 drivers/hid/hid-logitech-dj.c:1803
Code: 3e c5 fd 49 83 c7 40 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 3f dc 0a fe 4d 8b 37 49 83 c6 28 4c 89 f0 48 c1 e8 03 <0f> b6 04 18 84 c0 0f 85 a3 08 00 00 41 8b 0e 49 81 c5 e0 18 00 00
RSP: 0018:ffffc900016d6bc8 EFLAGS: 00010206
RAX: 0000000000000005 RBX: dffffc0000000000 RCX: ffff8881100a5100
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900016d6c18 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520002dac9c R12: 0000000000000000
R13: ffff888113634000 R14: 0000000000000028 R15: ffff888114584040
FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9a076716a0 CR3: 000000010fc99000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 3e c5 fd 49 ds (bad)
4: 83 c7 40 add $0x40,%edi
7: 4c 89 f8 mov %r15,%rax
a: 48 c1 e8 03 shr $0x3,%rax
e: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1)
12: 74 08 je 0x1c
14: 4c 89 ff mov %r15,%rdi
17: e8 3f dc 0a fe call 0xfe0adc5b
1c: 4d 8b 37 mov (%r15),%r14
1f: 49 83 c6 28 add $0x28,%r14
23: 4c 89 f0 mov %r14,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 0f b6 04 18 movzbl (%rax,%rbx,1),%eax <-- trapping instruction
2e: 84 c0 test %al,%al
30: 0f 85 a3 08 00 00 jne 0x8d9
36: 41 8b 0e mov (%r14),%ecx
39: 49 81 c5 e0 18 00 00 add $0x18e0,%r13