Extracting prog: 6m40.690551732s Minimizing prog: 1h14m15.35839847s Simplifying prog options: 14m41.96089341s Extracting C: 5m7.380549432s Simplifying C: 0s 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}}): mkdirat-mount-syz_usb_connect-openat-setsockopt$sock_int-setsockopt$inet6_buf detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0}) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 0x0) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x29, 0x0, 0x0) setsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x3e, 0x0, 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}}): mkdirat-mount-syz_usb_connect-openat-setsockopt$sock_int-setsockopt$inet6_buf detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0}) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 0x0) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x29, 0x0, 0x0) setsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x3e, 0x0, 0x0) program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep single: successfully extracted reproducer found reproducer with 6 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}}): mkdirat-mount-syz_usb_connect-openat-setsockopt$sock_int detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0}) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 0x0) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x29, 0x0, 0x0) 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: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-syz_usb_connect-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0}) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 0x0) 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: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-syz_usb_connect detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 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}}): 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, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 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-syz_usb_connect-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0}) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 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}}): mount-syz_usb_connect-openat detailed listing: executing program 0: mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0}) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 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-syz_usb_connect-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0}) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 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-syz_usb_connect-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0}) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 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-syz_usb_connect-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./dev\x00', 0x0, 0x0, 0x0) syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0}) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 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-syz_usb_connect-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) syz_usb_connect(0x2, 0x4e, 0x0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0}) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 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-syz_usb_connect-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0}) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 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-syz_usb_connect-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], 0x0) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 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-syz_usb_connect-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0}) openat(0xffffffffffffff9c, 0x0, 0x2, 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}}): mkdirat-mount-syz_usb_connect-openat program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing 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}}): mkdirat-mount-syz_usb_connect-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0}) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 0x0) program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep extracting 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}}): mkdirat-mount-syz_usb_connect-openat program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0}) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 0x0) program did not crash testing 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}}): mkdirat-mount-syz_usb_connect-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0}) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 0x0) program did not crash validation run: crashed=false testing 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}}): mkdirat-mount-syz_usb_connect-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0}) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 0x0) program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep validation run: crashed=true testing 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}}): mkdirat-mount-syz_usb_connect-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0}) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 0x0) program did not crash validation run: crashed=false testing 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}}): mkdirat-mount-syz_usb_connect-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0}) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 0x0) program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep validation run: crashed=true testing 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}}): mkdirat-mount-syz_usb_connect-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0}) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 0x0) program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep validation run: crashed=true reproducing took 2h2m26.279359571s repro crashed as (corrupted=false): list_add double add: new=ffff88802a365818, prev=ffff88802a365818, next=ffff888023550078. ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:35! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 0 Comm: swapper/0 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: eb ff 90 0f 0b 48 c7 c7 00 36 62 8c e8 1a b0 eb ff 90 0f 0b 48 89 d9 4c 89 ea 48 89 ee 48 c7 c7 40 38 62 8c e8 02 b0 eb ff 90 <0f> 0b 48 89 de 48 c7 c7 00 39 62 8c e8 f0 af eb ff 90 0f 0b 48 89 RSP: 0018:ffffc90000007888 EFLAGS: 00010086 RAX: 0000000000000058 RBX: ffff888023550078 RCX: 0000000000000000 RDX: 0000000000000058 RSI: ffffffff81ea1579 RDI: fffff52000000f02 RBP: ffff88802a365818 R08: 0000000000000007 R09: 0000000000000000 R10: 8000000000000103 R11: 0000000000000001 R12: ffff888023550080 R13: ffff88802a365818 R14: 0000000000000000 R15: ffff88802a365818 FS: 0000000000000000(0000) GS:ffff8880d5b53000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f05499eb840 CR3: 00000000560c2000 CR4: 0000000000352ef0 Call Trace: __list_add_valid include/linux/list.h:104 [inline] __list_add include/linux/list.h:169 [inline] list_add_tail include/linux/list.h:206 [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+0x38e/0x610 drivers/usb/core/hcd.c:1657 usb_hcd_giveback_urb+0x3ca/0x4a0 drivers/usb/core/hcd.c:1741 dummy_timer+0xdb2/0x3700 drivers/usb/gadget/udc/dummy_hcd.c:2019 __run_hrtimer kernel/time/hrtimer.c:2074 [inline] __hrtimer_run_queues+0x462/0x9c0 kernel/time/hrtimer.c:2131 hrtimer_run_softirq+0x1ca/0x360 kernel/time/hrtimer.c:2148 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645 __do_softirq kernel/softirq.c:679 [inline] invoke_softirq kernel/softirq.c:519 [inline] __irq_exit_rcu+0x16a/0x210 kernel/softirq.c:758 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775 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:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:64 Code: 27 94 02 e9 43 50 03 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d 03 28 1a 00 fb f4 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 RSP: 0018:ffffffff8ea07cf0 EFLAGS: 00000202 RAX: 00000000002015f1 RBX: ffffffff8ea91580 RCX: ffffffff8bd191c5 RDX: 0000000000000001 RSI: ffffffff8e38d191 RDI: ffffffff8c623580 RBP: fffffbfff1d522b0 R08: 0000000000000001 R09: ffffed100d4867bd R10: ffff88806a433deb R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 1ffffffff1d40fa2 R15: dffffc0000000000 arch_safe_halt arch/x86/include/asm/paravirt.h:62 [inline] default_idle+0x9/0x10 arch/x86/kernel/process.c:768 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122 cpuidle_idle_call kernel/sched/idle.c:199 [inline] do_idle+0x3ae/0x5b0 kernel/sched/idle.c:355 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:454 rest_init+0x2d3/0x2e0 init/main.c:732 start_kernel+0x48e/0x490 init/main.c:1190 x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310 x86_64_start_kernel+0x12b/0x130 arch/x86/kernel/head64.c:291 common_startup_64+0x13e/0x158 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_add_valid_or_report.cold+0x34/0x36 lib/list_debug.c:35 Code: eb ff 90 0f 0b 48 c7 c7 00 36 62 8c e8 1a b0 eb ff 90 0f 0b 48 89 d9 4c 89 ea 48 89 ee 48 c7 c7 40 38 62 8c e8 02 b0 eb ff 90 <0f> 0b 48 89 de 48 c7 c7 00 39 62 8c e8 f0 af eb ff 90 0f 0b 48 89 RSP: 0018:ffffc90000007888 EFLAGS: 00010086 RAX: 0000000000000058 RBX: ffff888023550078 RCX: 0000000000000000 RDX: 0000000000000058 RSI: ffffffff81ea1579 RDI: fffff52000000f02 RBP: ffff88802a365818 R08: 0000000000000007 R09: 0000000000000000 R10: 8000000000000103 R11: 0000000000000001 R12: ffff888023550080 R13: ffff88802a365818 R14: 0000000000000000 R15: ffff88802a365818 FS: 0000000000000000(0000) GS:ffff8880d5b53000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f05499eb840 CR3: 00000000560c2000 CR4: 0000000000352ef0 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 94 xchg %eax,%esp 1: 02 e9 add %cl,%ch 3: 43 50 rex.XB push %r8 5: 03 00 add (%rax),%eax 7: 0f 1f 00 nopl (%rax) 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: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: f3 0f 1e fa endbr64 1e: eb 07 jmp 0x27 20: 0f 00 2d 03 28 1a 00 verw 0x1a2803(%rip) # 0x1a282a 27: fb sti 28: f4 hlt * 29: c3 ret <-- trapping instruction 2a: cc int3 2b: cc int3 2c: cc int3 2d: cc int3 2e: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 35: 00 00 00 38: 66 90 xchg %ax,%ax 3a: 90 nop 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop final repro crashed as (corrupted=false): list_add double add: new=ffff88802a365818, prev=ffff88802a365818, next=ffff888023550078. ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:35! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 0 Comm: swapper/0 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: eb ff 90 0f 0b 48 c7 c7 00 36 62 8c e8 1a b0 eb ff 90 0f 0b 48 89 d9 4c 89 ea 48 89 ee 48 c7 c7 40 38 62 8c e8 02 b0 eb ff 90 <0f> 0b 48 89 de 48 c7 c7 00 39 62 8c e8 f0 af eb ff 90 0f 0b 48 89 RSP: 0018:ffffc90000007888 EFLAGS: 00010086 RAX: 0000000000000058 RBX: ffff888023550078 RCX: 0000000000000000 RDX: 0000000000000058 RSI: ffffffff81ea1579 RDI: fffff52000000f02 RBP: ffff88802a365818 R08: 0000000000000007 R09: 0000000000000000 R10: 8000000000000103 R11: 0000000000000001 R12: ffff888023550080 R13: ffff88802a365818 R14: 0000000000000000 R15: ffff88802a365818 FS: 0000000000000000(0000) GS:ffff8880d5b53000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f05499eb840 CR3: 00000000560c2000 CR4: 0000000000352ef0 Call Trace: __list_add_valid include/linux/list.h:104 [inline] __list_add include/linux/list.h:169 [inline] list_add_tail include/linux/list.h:206 [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+0x38e/0x610 drivers/usb/core/hcd.c:1657 usb_hcd_giveback_urb+0x3ca/0x4a0 drivers/usb/core/hcd.c:1741 dummy_timer+0xdb2/0x3700 drivers/usb/gadget/udc/dummy_hcd.c:2019 __run_hrtimer kernel/time/hrtimer.c:2074 [inline] __hrtimer_run_queues+0x462/0x9c0 kernel/time/hrtimer.c:2131 hrtimer_run_softirq+0x1ca/0x360 kernel/time/hrtimer.c:2148 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645 __do_softirq kernel/softirq.c:679 [inline] invoke_softirq kernel/softirq.c:519 [inline] __irq_exit_rcu+0x16a/0x210 kernel/softirq.c:758 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775 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:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:64 Code: 27 94 02 e9 43 50 03 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d 03 28 1a 00 fb f4 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 RSP: 0018:ffffffff8ea07cf0 EFLAGS: 00000202 RAX: 00000000002015f1 RBX: ffffffff8ea91580 RCX: ffffffff8bd191c5 RDX: 0000000000000001 RSI: ffffffff8e38d191 RDI: ffffffff8c623580 RBP: fffffbfff1d522b0 R08: 0000000000000001 R09: ffffed100d4867bd R10: ffff88806a433deb R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 1ffffffff1d40fa2 R15: dffffc0000000000 arch_safe_halt arch/x86/include/asm/paravirt.h:62 [inline] default_idle+0x9/0x10 arch/x86/kernel/process.c:768 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122 cpuidle_idle_call kernel/sched/idle.c:199 [inline] do_idle+0x3ae/0x5b0 kernel/sched/idle.c:355 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:454 rest_init+0x2d3/0x2e0 init/main.c:732 start_kernel+0x48e/0x490 init/main.c:1190 x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310 x86_64_start_kernel+0x12b/0x130 arch/x86/kernel/head64.c:291 common_startup_64+0x13e/0x158 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_add_valid_or_report.cold+0x34/0x36 lib/list_debug.c:35 Code: eb ff 90 0f 0b 48 c7 c7 00 36 62 8c e8 1a b0 eb ff 90 0f 0b 48 89 d9 4c 89 ea 48 89 ee 48 c7 c7 40 38 62 8c e8 02 b0 eb ff 90 <0f> 0b 48 89 de 48 c7 c7 00 39 62 8c e8 f0 af eb ff 90 0f 0b 48 89 RSP: 0018:ffffc90000007888 EFLAGS: 00010086 RAX: 0000000000000058 RBX: ffff888023550078 RCX: 0000000000000000 RDX: 0000000000000058 RSI: ffffffff81ea1579 RDI: fffff52000000f02 RBP: ffff88802a365818 R08: 0000000000000007 R09: 0000000000000000 R10: 8000000000000103 R11: 0000000000000001 R12: ffff888023550080 R13: ffff88802a365818 R14: 0000000000000000 R15: ffff88802a365818 FS: 0000000000000000(0000) GS:ffff8880d5b53000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f05499eb840 CR3: 00000000560c2000 CR4: 0000000000352ef0 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 94 xchg %eax,%esp 1: 02 e9 add %cl,%ch 3: 43 50 rex.XB push %r8 5: 03 00 add (%rax),%eax 7: 0f 1f 00 nopl (%rax) 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: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: f3 0f 1e fa endbr64 1e: eb 07 jmp 0x27 20: 0f 00 2d 03 28 1a 00 verw 0x1a2803(%rip) # 0x1a282a 27: fb sti 28: f4 hlt * 29: c3 ret <-- trapping instruction 2a: cc int3 2b: cc int3 2c: cc int3 2d: cc int3 2e: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 35: 00 00 00 38: 66 90 xchg %ax,%ax 3a: 90 nop 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop