Extracting prog: 2m31.101659625s
Minimizing prog: 1h2m5.017822631s
Simplifying prog options: 0s
Extracting C: 4m40.185530506s
Simplifying C: 56m49.305343848s
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
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x4e, &(0x7f0000000600)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904000006ff00000007050102400000070502024000000705040240000007050602400000070581"], &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./dev/ttyUSB0\x00', 0x44400, 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: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, 0x4e, &(0x7f0000000600)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904000006ff00000007050102400000070502024000000705040240000007050602400000070581"], &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./dev/ttyUSB0\x00', 0x44400, 0x0)
program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=6m0s, {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
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x4e, &(0x7f0000000600)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904000006ff00000007050102400000070502024000000705040240000007050602400000070581"], &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
program did not crash
testing program (duration=6m0s, {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
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x4e, &(0x7f0000000600)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904000006ff00000007050102400000070502024000000705040240000007050602400000070581"], &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./dev/ttyUSB0\x00', 0x44400, 0x0)
program did not crash
testing program (duration=6m0s, {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
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x4e, &(0x7f0000000600)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904000006ff00000007050102400000070502024000000705040240000007050602400000070581"], &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0})
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./dev/ttyUSB0\x00', 0x44400, 0x0)
program did not crash
testing program (duration=6m0s, {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
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./dev/ttyUSB0\x00', 0x44400, 0x0)
program did not crash
testing program (duration=6m0s, {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, 0x4e, 0x0, &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./dev/ttyUSB0\x00', 0x44400, 0x0)
program did not crash
testing program (duration=6m0s, {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, 0x4e, &(0x7f0000000600)=ANY=[@ANYBLOB], &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./dev/ttyUSB0\x00', 0x44400, 0x0)
program did not crash
testing program (duration=6m0s, {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, 0x4e, &(0x7f0000000600)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904000006ff00000007050102400000070502024000000705040240000007050602400000070581"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./dev/ttyUSB0\x00', 0x44400, 0x0)
program did not crash
testing program (duration=6m0s, {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, 0x4e, &(0x7f0000000600)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904000006ff00000007050102400000070502024000000705040240000007050602400000070581"], &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./dev/ttyUSB0\x00', 0x44400, 0x0)
program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
testing program (duration=6m0s, {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, 0x4e, &(0x7f0000000600)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904000006ff00000007050102400000070502024000000705040240000007050602400000070581"], &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./dev/ttyUSB0\x00', 0x44400, 0x0)
program did not crash
testing program (duration=6m0s, {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, 0x4e, &(0x7f0000000600)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904000006ff00000007050102400000070502024000000705040240000007050602400000070581"], &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', 0x0, 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./dev/ttyUSB0\x00', 0x44400, 0x0)
program did not crash
testing program (duration=6m0s, {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, 0x4e, &(0x7f0000000600)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904000006ff00000007050102400000070502024000000705040240000007050602400000070581"], &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, 0x0, 0x44400, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {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
program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep
simplifying C reproducer
testing compiled C program (duration=6m0s, {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
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true 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
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false 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
program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false 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
program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false 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
program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false 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
program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false 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
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false 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
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false 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
program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true 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-mkdirat-mount-openat
program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false IEEE802154:false Sysctl:false 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
program crashed: WARNING in keyspan_usa49_send_setup/usb_submit_urb
a never seen crash title: WARNING in keyspan_usa49_send_setup/usb_submit_urb, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true 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
program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true 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
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x4e, &(0x7f0000000600)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904000006ff00000007050102400000070502024000000705040240000007050602400000070581"], &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./dev/ttyUSB0\x00', 0x44400, 0x0)
program crashed: KASAN: slab-use-after-free Read in usa49_glocont_callback
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true 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
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x4e, &(0x7f0000000600)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904000006ff00000007050102400000070502024000000705040240000007050602400000070581"], &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./dev/ttyUSB0\x00', 0x44400, 0x0)
program crashed: KASAN: slab-use-after-free Read in usa49_glocont_callback
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true 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
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x4e, &(0x7f0000000600)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904000006ff00000007050102400000070502024000000705040240000007050602400000070581"], &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./dev/ttyUSB0\x00', 0x44400, 0x0)
program did not crash
validation run: crashed=false
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true 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
detailed listing:
executing program 0:
syz_usb_connect(0x2, 0x4e, &(0x7f0000000600)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904000006ff00000007050102400000070502024000000705040240000007050602400000070581"], &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./dev/ttyUSB0\x00', 0x44400, 0x0)
program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep
validation run: crashed=true
reproducing took 2h23m12.196516285s
repro crashed as (corrupted=false):
list_add double add: new=ffff888026b80518, prev=ffff888026b80518, next=ffff88802512e078.
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:35!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 2 UID: 0 PID: 6857 Comm: syz.2.391 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__list_add_valid_or_report.cold+0x34/0x36 lib/list_debug.c:35
Code: ec ff 90 0f 0b 48 c7 c7 00 e6 3f 8c e8 da 05 ec ff 90 0f 0b 48 89 d9 4c 89 ea 48 89 ee 48 c7 c7 40 e8 3f 8c e8 c2 05 ec ff 90 <0f> 0b 48 89 de 48 c7 c7 00 e9 3f 8c e8 b0 05 ec ff 90 0f 0b 48 89
RSP: 0018:ffffc90000538890 EFLAGS: 00010082
RAX: 0000000000000058 RBX: ffff88802512e078 RCX: 0000000000000000
RDX: 0000000000000058 RSI: ffffffff81e83829 RDI: fffff520000a7103
RBP: ffff888026b80518 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000103 R11: 0000000000000000 R12: ffff88802512e080
R13: ffff888026b80518 R14: 0000000000000000 R15: ffff888026b80518
FS: 0000000000000000(0000) GS:ffff888096df3000(0063) knlGS:00000000f6895b40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f7436288 CR3: 000000006cbd9000 CR4: 0000000000352ef0
Call Trace:
__list_add_valid include/linux/list.h:96 [inline]
__list_add include/linux/list.h:158 [inline]
list_add_tail include/linux/list.h:191 [inline]
usb_hcd_link_urb_to_ep+0x220/0x3a0 drivers/usb/core/hcd.c:1154
dummy_urb_enqueue+0x2b5/0x880 drivers/usb/gadget/udc/dummy_hcd.c:1310
usb_hcd_submit_urb+0x268/0x2150 drivers/usb/core/hcd.c:1542
usb_submit_urb+0x827/0x19b0 drivers/usb/core/urb.c:586
keyspan_usa49_send_setup.isra.0+0x72c/0xf10 drivers/usb/serial/keyspan.c:2466
usa49_glocont_callback+0x18d/0x260 drivers/usb/serial/keyspan.c:1047
__usb_hcd_giveback_urb+0x38d/0x610 drivers/usb/core/hcd.c:1657
usb_hcd_giveback_urb+0x3ca/0x4a0 drivers/usb/core/hcd.c:1741
dummy_timer+0xdb2/0x36f0 drivers/usb/gadget/udc/dummy_hcd.c:2019
__run_hrtimer kernel/time/hrtimer.c:2032 [inline]
__hrtimer_run_queues+0x462/0x9c0 kernel/time/hrtimer.c:2096
hrtimer_run_softirq+0x17d/0x2c0 kernel/time/hrtimer.c:2113
handle_softirqs+0x1ea/0x9b0 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x162/0x210 kernel/softirq.c:735
irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:__raw_callee_save___kvm_vcpu_is_preempted+0x16/0x20
Code: 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 fd 20 69 46 8e 80 b8 50 0f 63 94 00 0f 95 c0 cc cc cc cc 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90004dff648 EFLAGS: 00000246
RAX: ffff888096ef3000 RBX: ffffffff8f988d40 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000003
RBP: ffff888028b00000 R08: 0000000000000000 R09: fffffbfff1f311a8
R10: ffffffff8f988d47 R11: 0000000000000000 R12: ffffed100505e950
R13: ffff8880282f4a80 R14: 0000000000000000 R15: dffffc0000000000
pv_vcpu_is_preempted arch/x86/include/asm/paravirt-spinlock.h:47 [inline]
vcpu_is_preempted arch/x86/include/asm/paravirt-spinlock.h:78 [inline]
owner_on_cpu include/linux/sched.h:2323 [inline]
mutex_spin_on_owner+0x12e/0x2c0 kernel/locking/mutex.c:406
mutex_optimistic_spin kernel/locking/mutex.c:509 [inline]
__mutex_lock_common kernel/locking/mutex.c:650 [inline]
__mutex_lock+0x1229/0x1bd0 kernel/locking/mutex.c:821
tty_open_by_driver drivers/tty/tty_io.c:2037 [inline]
tty_open+0x539/0xfa0 drivers/tty/tty_io.c:2120
chrdev_open+0x234/0x6a0 fs/char_dev.c:411
do_dentry_open+0x6ab/0x14d0 fs/open.c:947
vfs_open+0x82/0x3f0 fs/open.c:1052
do_open fs/namei.c:4700 [inline]
path_openat+0x2873/0x4280 fs/namei.c:4863
do_file_open+0x20e/0x430 fs/namei.c:4892
do_sys_openat2+0x10f/0x1e0 fs/open.c:1368
do_sys_open fs/open.c:1374 [inline]
__do_compat_sys_openat fs/open.c:1436 [inline]
__se_compat_sys_openat fs/open.c:1434 [inline]
__ia32_compat_sys_openat+0x12d/0x210 fs/open.c:1434
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0xe7/0x970 arch/x86/entry/syscall_32.c:307
do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf709efec
Code: Unable to access opcode bytes at 0xf709efc2.
RSP: 002b:00000000f689550c EFLAGS: 00000292 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 00000000800001c0
RDX: 0000000000044400 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_add_valid_or_report.cold+0x34/0x36 lib/list_debug.c:35
Code: ec ff 90 0f 0b 48 c7 c7 00 e6 3f 8c e8 da 05 ec ff 90 0f 0b 48 89 d9 4c 89 ea 48 89 ee 48 c7 c7 40 e8 3f 8c e8 c2 05 ec ff 90 <0f> 0b 48 89 de 48 c7 c7 00 e9 3f 8c e8 b0 05 ec ff 90 0f 0b 48 89
RSP: 0018:ffffc90000538890 EFLAGS: 00010082
RAX: 0000000000000058 RBX: ffff88802512e078 RCX: 0000000000000000
RDX: 0000000000000058 RSI: ffffffff81e83829 RDI: fffff520000a7103
RBP: ffff888026b80518 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000103 R11: 0000000000000000 R12: ffff88802512e080
R13: ffff888026b80518 R14: 0000000000000000 R15: ffff888026b80518
FS: 0000000000000000(0000) GS:ffff888096df3000(0063) knlGS:00000000f6895b40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f709f000 CR3: 000000006cbd9000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 00 add %al,(%rax)
4: 90 nop
5: 90 nop
6: 90 nop
7: 90 nop
8: 90 nop
9: 90 nop
a: 90 nop
b: 90 nop
c: 90 nop
d: 90 nop
e: 90 nop
f: 90 nop
10: 90 nop
11: 90 nop
12: 90 nop
13: 90 nop
14: f3 0f 1e fa endbr64
18: 48 8b 04 fd 20 69 46 mov -0x71b996e0(,%rdi,8),%rax
1f: 8e
20: 80 b8 50 0f 63 94 00 cmpb $0x0,-0x6b9cf0b0(%rax)
27: 0f 95 c0 setne %al
* 2a: c3 ret <-- trapping instruction
2b: cc int3
2c: cc int3
2d: cc int3
2e: cc int3
2f: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
34: 90 nop
35: 90 nop
36: 90 nop
37: 90 nop
38: 90 nop
39: 90 nop
3a: 90 nop
3b: 90 nop
3c: 90 nop
3d: 90 nop
3e: 90 nop
3f: 90 nop
final repro crashed as (corrupted=false):
list_add double add: new=ffff888026b80518, prev=ffff888026b80518, next=ffff88802512e078.
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:35!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 2 UID: 0 PID: 6857 Comm: syz.2.391 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__list_add_valid_or_report.cold+0x34/0x36 lib/list_debug.c:35
Code: ec ff 90 0f 0b 48 c7 c7 00 e6 3f 8c e8 da 05 ec ff 90 0f 0b 48 89 d9 4c 89 ea 48 89 ee 48 c7 c7 40 e8 3f 8c e8 c2 05 ec ff 90 <0f> 0b 48 89 de 48 c7 c7 00 e9 3f 8c e8 b0 05 ec ff 90 0f 0b 48 89
RSP: 0018:ffffc90000538890 EFLAGS: 00010082
RAX: 0000000000000058 RBX: ffff88802512e078 RCX: 0000000000000000
RDX: 0000000000000058 RSI: ffffffff81e83829 RDI: fffff520000a7103
RBP: ffff888026b80518 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000103 R11: 0000000000000000 R12: ffff88802512e080
R13: ffff888026b80518 R14: 0000000000000000 R15: ffff888026b80518
FS: 0000000000000000(0000) GS:ffff888096df3000(0063) knlGS:00000000f6895b40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f7436288 CR3: 000000006cbd9000 CR4: 0000000000352ef0
Call Trace:
__list_add_valid include/linux/list.h:96 [inline]
__list_add include/linux/list.h:158 [inline]
list_add_tail include/linux/list.h:191 [inline]
usb_hcd_link_urb_to_ep+0x220/0x3a0 drivers/usb/core/hcd.c:1154
dummy_urb_enqueue+0x2b5/0x880 drivers/usb/gadget/udc/dummy_hcd.c:1310
usb_hcd_submit_urb+0x268/0x2150 drivers/usb/core/hcd.c:1542
usb_submit_urb+0x827/0x19b0 drivers/usb/core/urb.c:586
keyspan_usa49_send_setup.isra.0+0x72c/0xf10 drivers/usb/serial/keyspan.c:2466
usa49_glocont_callback+0x18d/0x260 drivers/usb/serial/keyspan.c:1047
__usb_hcd_giveback_urb+0x38d/0x610 drivers/usb/core/hcd.c:1657
usb_hcd_giveback_urb+0x3ca/0x4a0 drivers/usb/core/hcd.c:1741
dummy_timer+0xdb2/0x36f0 drivers/usb/gadget/udc/dummy_hcd.c:2019
__run_hrtimer kernel/time/hrtimer.c:2032 [inline]
__hrtimer_run_queues+0x462/0x9c0 kernel/time/hrtimer.c:2096
hrtimer_run_softirq+0x17d/0x2c0 kernel/time/hrtimer.c:2113
handle_softirqs+0x1ea/0x9b0 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x162/0x210 kernel/softirq.c:735
irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:__raw_callee_save___kvm_vcpu_is_preempted+0x16/0x20
Code: 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 fd 20 69 46 8e 80 b8 50 0f 63 94 00 0f 95 c0 cc cc cc cc 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90004dff648 EFLAGS: 00000246
RAX: ffff888096ef3000 RBX: ffffffff8f988d40 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000003
RBP: ffff888028b00000 R08: 0000000000000000 R09: fffffbfff1f311a8
R10: ffffffff8f988d47 R11: 0000000000000000 R12: ffffed100505e950
R13: ffff8880282f4a80 R14: 0000000000000000 R15: dffffc0000000000
pv_vcpu_is_preempted arch/x86/include/asm/paravirt-spinlock.h:47 [inline]
vcpu_is_preempted arch/x86/include/asm/paravirt-spinlock.h:78 [inline]
owner_on_cpu include/linux/sched.h:2323 [inline]
mutex_spin_on_owner+0x12e/0x2c0 kernel/locking/mutex.c:406
mutex_optimistic_spin kernel/locking/mutex.c:509 [inline]
__mutex_lock_common kernel/locking/mutex.c:650 [inline]
__mutex_lock+0x1229/0x1bd0 kernel/locking/mutex.c:821
tty_open_by_driver drivers/tty/tty_io.c:2037 [inline]
tty_open+0x539/0xfa0 drivers/tty/tty_io.c:2120
chrdev_open+0x234/0x6a0 fs/char_dev.c:411
do_dentry_open+0x6ab/0x14d0 fs/open.c:947
vfs_open+0x82/0x3f0 fs/open.c:1052
do_open fs/namei.c:4700 [inline]
path_openat+0x2873/0x4280 fs/namei.c:4863
do_file_open+0x20e/0x430 fs/namei.c:4892
do_sys_openat2+0x10f/0x1e0 fs/open.c:1368
do_sys_open fs/open.c:1374 [inline]
__do_compat_sys_openat fs/open.c:1436 [inline]
__se_compat_sys_openat fs/open.c:1434 [inline]
__ia32_compat_sys_openat+0x12d/0x210 fs/open.c:1434
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0xe7/0x970 arch/x86/entry/syscall_32.c:307
do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf709efec
Code: Unable to access opcode bytes at 0xf709efc2.
RSP: 002b:00000000f689550c EFLAGS: 00000292 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 00000000800001c0
RDX: 0000000000044400 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_add_valid_or_report.cold+0x34/0x36 lib/list_debug.c:35
Code: ec ff 90 0f 0b 48 c7 c7 00 e6 3f 8c e8 da 05 ec ff 90 0f 0b 48 89 d9 4c 89 ea 48 89 ee 48 c7 c7 40 e8 3f 8c e8 c2 05 ec ff 90 <0f> 0b 48 89 de 48 c7 c7 00 e9 3f 8c e8 b0 05 ec ff 90 0f 0b 48 89
RSP: 0018:ffffc90000538890 EFLAGS: 00010082
RAX: 0000000000000058 RBX: ffff88802512e078 RCX: 0000000000000000
RDX: 0000000000000058 RSI: ffffffff81e83829 RDI: fffff520000a7103
RBP: ffff888026b80518 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000103 R11: 0000000000000000 R12: ffff88802512e080
R13: ffff888026b80518 R14: 0000000000000000 R15: ffff888026b80518
FS: 0000000000000000(0000) GS:ffff888096df3000(0063) knlGS:00000000f6895b40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f709f000 CR3: 000000006cbd9000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 00 add %al,(%rax)
4: 90 nop
5: 90 nop
6: 90 nop
7: 90 nop
8: 90 nop
9: 90 nop
a: 90 nop
b: 90 nop
c: 90 nop
d: 90 nop
e: 90 nop
f: 90 nop
10: 90 nop
11: 90 nop
12: 90 nop
13: 90 nop
14: f3 0f 1e fa endbr64
18: 48 8b 04 fd 20 69 46 mov -0x71b996e0(,%rdi,8),%rax
1f: 8e
20: 80 b8 50 0f 63 94 00 cmpb $0x0,-0x6b9cf0b0(%rax)
27: 0f 95 c0 setne %al
* 2a: c3 ret <-- trapping instruction
2b: cc int3
2c: cc int3
2d: cc int3
2e: cc int3
2f: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
34: 90 nop
35: 90 nop
36: 90 nop
37: 90 nop
38: 90 nop
39: 90 nop
3a: 90 nop
3b: 90 nop
3c: 90 nop
3d: 90 nop
3e: 90 nop
3f: 90 nop