Extracting prog: 3m27.141738824s
Minimizing prog: 36m53.215768425s
Simplifying prog options: 0s
Extracting C: 44.339452319s
Simplifying C: 11m0.959587527s
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:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write-close-openat-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x2, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040c40700a001000102030109022000010100803209040000020806f2000705020240000007058102400000"], &(0x7f0000001000)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff)
mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./mysys\x00', &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000600)='dummy_hcd.0\x00', 0xb)
close(r1)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./mysys/bus/platform/drivers/dummy_hcd/bind\x00', 0x1, 0x0)
syz_usb_ep_write(r0, 0x81, 0x100, &(0x7f0000000900)='\x00'/256)
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write-close-openat-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x2, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040c40700a001000102030109022000010100803209040000020806f2000705020240000007058102400000"], &(0x7f0000001000)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff)
mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./mysys\x00', &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000600)='dummy_hcd.0\x00', 0xb)
close(r1)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./mysys/bus/platform/drivers/dummy_hcd/bind\x00', 0x1, 0x0)
syz_usb_ep_write(r0, 0x81, 0x100, &(0x7f0000000900)='\x00'/256)
program crashed: general protection fault in dummy_udc_start
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write-close-openat
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040c40700a001000102030109022000010100803209040000020806f2000705020240000007058102400000"], &(0x7f0000001000)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff)
mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./mysys\x00', &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000600)='dummy_hcd.0\x00', 0xb)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./mysys/bus/platform/drivers/dummy_hcd/bind\x00', 0x1, 0x0)
program crashed: general protection fault in corrupted
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write-close
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040c40700a001000102030109022000010100803209040000020806f2000705020240000007058102400000"], &(0x7f0000001000)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff)
mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./mysys\x00', &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000600)='dummy_hcd.0\x00', 0xb)
close(r0)
program crashed: general protection fault in dummy_udc_start
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040c40700a001000102030109022000010100803209040000020806f2000705020240000007058102400000"], &(0x7f0000001000)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff)
mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./mysys\x00', &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000600)='dummy_hcd.0\x00', 0xb)
program crashed: general protection fault in set_link_state
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040c40700a001000102030109022000010100803209040000020806f2000705020240000007058102400000"], &(0x7f0000001000)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff)
mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./mysys\x00', &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-write
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040c40700a001000102030109022000010100803209040000020806f2000705020240000007058102400000"], &(0x7f0000001000)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff)
mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./mysys\x00', &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000600)='dummy_hcd.0\x00', 0xb)
program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-openat-write
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040c40700a001000102030109022000010100803209040000020806f2000705020240000007058102400000"], &(0x7f0000001000)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000600)='dummy_hcd.0\x00', 0xb)
program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040c40700a001000102030109022000010100803209040000020806f2000705020240000007058102400000"], &(0x7f0000001000)={0x0, 0x0, 0x0, 0x0})
mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./mysys\x00', &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000600)='dummy_hcd.0\x00', 0xb)
program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff)
mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./mysys\x00', &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000600)='dummy_hcd.0\x00', 0xb)
program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x32, 0x0, &(0x7f0000001000)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff)
mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./mysys\x00', &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000600)='dummy_hcd.0\x00', 0xb)
program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB], &(0x7f0000001000)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff)
mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./mysys\x00', &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000600)='dummy_hcd.0\x00', 0xb)
program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040c40700a001000102030109022000010100803209040000020806f2000705020240000007058102400000"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff)
mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./mysys\x00', &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000600)='dummy_hcd.0\x00', 0xb)
program crashed: general protection fault in corrupted
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040c40700a001000102030109022000010100803209040000020806f2000705020240000007058102400000"], 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./mysys\x00', &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000600)='dummy_hcd.0\x00', 0xb)
program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040c40700a001000102030109022000010100803209040000020806f2000705020240000007058102400000"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./mysys\x00', &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000600)='dummy_hcd.0\x00', 0xb)
program crashed: general protection fault in set_link_state
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040c40700a001000102030109022000010100803209040000020806f2000705020240000007058102400000"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000600)='dummy_hcd.0\x00', 0xb)
program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040c40700a001000102030109022000010100803209040000020806f2000705020240000007058102400000"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./mysys\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000600)='dummy_hcd.0\x00', 0xb)
program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040c40700a001000102030109022000010100803209040000020806f2000705020240000007058102400000"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./mysys\x00', &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000000600)='dummy_hcd.0\x00', 0xb)
program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040c40700a001000102030109022000010100803209040000020806f2000705020240000007058102400000"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./mysys\x00', &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, 0x0, 0x0)
program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040c40700a001000102030109022000010100803209040000020806f2000705020240000007058102400000"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./mysys\x00', &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000600), 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
program crashed: general protection fault in dummy_udc_start
simplifying C reproducer
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
program crashed: general protection fault in set_link_state
testing compiled C program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
program crashed: general protection fault in set_link_state
testing compiled C program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
program crashed: general protection fault in set_link_state
testing compiled C program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
program crashed: general protection fault in set_link_state
testing compiled C program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
program crashed: general protection fault in set_link_state
testing compiled C program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
program did not crash
testing compiled C program (duration=1m40s, {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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
program crashed: general protection fault in set_link_state
testing program (duration=1m40s, {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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040c40700a001000102030109022000010100803209040000020806f2000705020240000007058102400000"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./mysys\x00', &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000600)='dummy_hcd.0\x00', 0xb)
program crashed: general protection fault in set_link_state
validation run: crashed=true
testing program (duration=1m40s, {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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040c40700a001000102030109022000010100803209040000020806f2000705020240000007058102400000"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./mysys\x00', &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000600)='dummy_hcd.0\x00', 0xb)
program crashed: general protection fault in set_link_state
validation run: crashed=true
testing program (duration=1m40s, {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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040c40700a001000102030109022000010100803209040000020806f2000705020240000007058102400000"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./mysys\x00', &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000600)='dummy_hcd.0\x00', 0xb)
program crashed: general protection fault in set_link_state
validation run: crashed=true
reproducing took 57m58.938999933s
repro crashed as (corrupted=false):
dummy_hcd dummy_hcd.0: remove, state 1
usb usb1: USB disconnect, device number 1
dummy_hcd dummy_hcd.0: stopped
dummy_hcd dummy_hcd.0: USB bus 1 deregistered
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 5939 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:set_link_state+0x27/0x1200 drivers/usb/gadget/udc/dummy_hcd.c:436
Code: 90 90 90 55 41 57 41 56 41 55 41 54 53 48 83 ec 50 49 89 fe 48 bb 00 00 00 00 00 fc ff df e8 f0 02 8c fa 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 f7 e8 bb 59 f8 fa 4d 8b 26 4c 89 74 24 10
RSP: 0018:ffffc900015cf758 EFLAGS: 00010246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff8880295e8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8e3c3880 R12: dffffc0000000000
R13: ffff88802a7115e9 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8881259f2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557637c09a00 CR3: 000000000e1b0000 CR4: 00000000003526f0
Call Trace:
dummy_pullup+0xbf/0x120 drivers/usb/gadget/udc/dummy_hcd.c:915
usb_gadget_disconnect_locked+0x126/0x480 drivers/usb/gadget/udc/core.c:785
gadget_unbind_driver+0xc2/0x410 drivers/usb/gadget/udc/core.c:1718
device_remove drivers/base/dd.c:616 [inline]
__device_release_driver drivers/base/dd.c:1349 [inline]
device_release_driver_internal+0x48b/0x880 drivers/base/dd.c:1372
driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1435
bus_remove_driver+0x229/0x320 drivers/base/bus.c:832
usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1784
raw_release+0xd2/0x260 drivers/usb/gadget/legacy/raw_gadget.c:463
__fput+0x42a/0xa80 fs/file_table.c:512
task_work_run+0x1d9/0x270 kernel/task_work.c:233
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x73a/0x2360 kernel/exit.c:1009
do_group_exit+0x22d/0x2f0 kernel/exit.c:1152
get_signal+0x121b/0x12c0 kernel/signal.c:3039
arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
exit_to_user_mode_loop+0x104/0x730 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:339 [inline]
do_syscall_64+0x33d/0x530 arch/x86/entry/syscall_64.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f14dab9de99
Code: Unable to access opcode bytes at 0x7f14dab9de6f.
RSP: 002b:00007ffe825a4958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: 000000000000000b RBX: 00007f14dae25fa0 RCX: 00007f14dab9de99
RDX: 000000000000000b RSI: 0000200000000600 RDI: 0000000000000004
RBP: 00007f14dac33eaf R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f14dae25fac R14: 00007f14dae25fa0 R15: 00007f14dae25fa0
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:set_link_state+0x27/0x1200 drivers/usb/gadget/udc/dummy_hcd.c:436
Code: 90 90 90 55 41 57 41 56 41 55 41 54 53 48 83 ec 50 49 89 fe 48 bb 00 00 00 00 00 fc ff df e8 f0 02 8c fa 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 f7 e8 bb 59 f8 fa 4d 8b 26 4c 89 74 24 10
RSP: 0018:ffffc900015cf758 EFLAGS: 00010246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff8880295e8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8e3c3880 R12: dffffc0000000000
R13: ffff88802a7115e9 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8881259f2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557637c09a00 CR3: 000000000e1b0000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
0: 90 nop
1: 90 nop
2: 90 nop
3: 55 push %rbp
4: 41 57 push %r15
6: 41 56 push %r14
8: 41 55 push %r13
a: 41 54 push %r12
c: 53 push %rbx
d: 48 83 ec 50 sub $0x50,%rsp
11: 49 89 fe mov %rdi,%r14
14: 48 bb 00 00 00 00 00 movabs $0xdffffc0000000000,%rbx
1b: fc ff df
1e: e8 f0 02 8c fa call 0xfa8c0313
23: 4c 89 f0 mov %r14,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) <-- trapping instruction
2e: 74 08 je 0x38
30: 4c 89 f7 mov %r14,%rdi
33: e8 bb 59 f8 fa call 0xfaf859f3
38: 4d 8b 26 mov (%r14),%r12
3b: 4c 89 74 24 10 mov %r14,0x10(%rsp)
final repro crashed as (corrupted=false):
dummy_hcd dummy_hcd.0: remove, state 1
usb usb1: USB disconnect, device number 1
dummy_hcd dummy_hcd.0: stopped
dummy_hcd dummy_hcd.0: USB bus 1 deregistered
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 5939 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:set_link_state+0x27/0x1200 drivers/usb/gadget/udc/dummy_hcd.c:436
Code: 90 90 90 55 41 57 41 56 41 55 41 54 53 48 83 ec 50 49 89 fe 48 bb 00 00 00 00 00 fc ff df e8 f0 02 8c fa 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 f7 e8 bb 59 f8 fa 4d 8b 26 4c 89 74 24 10
RSP: 0018:ffffc900015cf758 EFLAGS: 00010246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff8880295e8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8e3c3880 R12: dffffc0000000000
R13: ffff88802a7115e9 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8881259f2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557637c09a00 CR3: 000000000e1b0000 CR4: 00000000003526f0
Call Trace:
dummy_pullup+0xbf/0x120 drivers/usb/gadget/udc/dummy_hcd.c:915
usb_gadget_disconnect_locked+0x126/0x480 drivers/usb/gadget/udc/core.c:785
gadget_unbind_driver+0xc2/0x410 drivers/usb/gadget/udc/core.c:1718
device_remove drivers/base/dd.c:616 [inline]
__device_release_driver drivers/base/dd.c:1349 [inline]
device_release_driver_internal+0x48b/0x880 drivers/base/dd.c:1372
driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1435
bus_remove_driver+0x229/0x320 drivers/base/bus.c:832
usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1784
raw_release+0xd2/0x260 drivers/usb/gadget/legacy/raw_gadget.c:463
__fput+0x42a/0xa80 fs/file_table.c:512
task_work_run+0x1d9/0x270 kernel/task_work.c:233
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x73a/0x2360 kernel/exit.c:1009
do_group_exit+0x22d/0x2f0 kernel/exit.c:1152
get_signal+0x121b/0x12c0 kernel/signal.c:3039
arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
exit_to_user_mode_loop+0x104/0x730 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:339 [inline]
do_syscall_64+0x33d/0x530 arch/x86/entry/syscall_64.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f14dab9de99
Code: Unable to access opcode bytes at 0x7f14dab9de6f.
RSP: 002b:00007ffe825a4958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: 000000000000000b RBX: 00007f14dae25fa0 RCX: 00007f14dab9de99
RDX: 000000000000000b RSI: 0000200000000600 RDI: 0000000000000004
RBP: 00007f14dac33eaf R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f14dae25fac R14: 00007f14dae25fa0 R15: 00007f14dae25fa0
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:set_link_state+0x27/0x1200 drivers/usb/gadget/udc/dummy_hcd.c:436
Code: 90 90 90 55 41 57 41 56 41 55 41 54 53 48 83 ec 50 49 89 fe 48 bb 00 00 00 00 00 fc ff df e8 f0 02 8c fa 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 f7 e8 bb 59 f8 fa 4d 8b 26 4c 89 74 24 10
RSP: 0018:ffffc900015cf758 EFLAGS: 00010246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff8880295e8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8e3c3880 R12: dffffc0000000000
R13: ffff88802a7115e9 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8881259f2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557637c09a00 CR3: 000000000e1b0000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
0: 90 nop
1: 90 nop
2: 90 nop
3: 55 push %rbp
4: 41 57 push %r15
6: 41 56 push %r14
8: 41 55 push %r13
a: 41 54 push %r12
c: 53 push %rbx
d: 48 83 ec 50 sub $0x50,%rsp
11: 49 89 fe mov %rdi,%r14
14: 48 bb 00 00 00 00 00 movabs $0xdffffc0000000000,%rbx
1b: fc ff df
1e: e8 f0 02 8c fa call 0xfa8c0313
23: 4c 89 f0 mov %r14,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) <-- trapping instruction
2e: 74 08 je 0x38
30: 4c 89 f7 mov %r14,%rdi
33: e8 bb 59 f8 fa call 0xfaf859f3
38: 4d 8b 26 mov (%r14),%r12
3b: 4c 89 74 24 10 mov %r14,0x10(%rsp)