Extracting prog: 1m8.26689051s Minimizing prog: 9m53.897583804s Simplifying prog options: 2m16.914168458s Extracting C: 26.789166639s 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}}): syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write-setns-socket-setsockopt-bind detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002000000407205feca00010000000109022e0001010080fa0904000004ff000000070501020002000705810200020007050202000200070582020002"], 0x0) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000300)="9101000000112233445500"/64) setns(0xc9, 0x0) r1 = socket(0x8, 0x2, 0x0) setsockopt(r1, 0x108, 0x42020054, &(0x7f0000000000)="010000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000005000000", 0x54) bind(r1, &(0x7f0000000100)=@generic={0x8, "0000ffff0100feffffff00"}, 0xc) program crashed: UBSAN: shift-out-of-bounds in vcc_connect single: successfully extracted reproducer found reproducer with 7 syscalls minimizing guilty program testing program (duration=34.580427054s, {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-syz_usb_ep_read-syz_usb_ep_write-setns-socket-setsockopt detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002000000407205feca00010000000109022e0001010080fa0904000004ff000000070501020002000705810200020007050202000200070582020002"], 0x0) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000300)="9101000000112233445500"/64) setns(0xc9, 0x0) r1 = socket(0x8, 0x2, 0x0) setsockopt(r1, 0x108, 0x42020054, &(0x7f0000000000)="010000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000005000000", 0x54) program did not crash testing program (duration=34.580427054s, {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-syz_usb_ep_read-syz_usb_ep_write-setns-socket-bind detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002000000407205feca00010000000109022e0001010080fa0904000004ff000000070501020002000705810200020007050202000200070582020002"], 0x0) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000300)="9101000000112233445500"/64) setns(0xc9, 0x0) r1 = socket(0x8, 0x2, 0x0) bind(r1, &(0x7f0000000100)=@generic={0x8, "0000ffff0100feffffff00"}, 0xc) program did not crash testing program (duration=34.580427054s, {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-syz_usb_ep_read-syz_usb_ep_write-setns-setsockopt-bind detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002000000407205feca00010000000109022e0001010080fa0904000004ff000000070501020002000705810200020007050202000200070582020002"], 0x0) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000300)="9101000000112233445500"/64) setns(0xc9, 0x0) setsockopt(0xffffffffffffffff, 0x108, 0x42020054, &(0x7f0000000000)="010000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000005000000", 0x54) bind(0xffffffffffffffff, &(0x7f0000000100)=@generic={0x8, "0000ffff0100feffffff00"}, 0xc) program did not crash testing program (duration=34.580427054s, {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-syz_usb_ep_read-syz_usb_ep_write-socket-setsockopt-bind detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002000000407205feca00010000000109022e0001010080fa0904000004ff000000070501020002000705810200020007050202000200070582020002"], 0x0) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000300)="9101000000112233445500"/64) r1 = socket(0x8, 0x2, 0x0) setsockopt(r1, 0x108, 0x42020054, &(0x7f0000000000)="010000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000005000000", 0x54) bind(r1, &(0x7f0000000100)=@generic={0x8, "0000ffff0100feffffff00"}, 0xc) program did not crash testing program (duration=34.580427054s, {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-syz_usb_ep_read-setns-socket-setsockopt-bind detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002000000407205feca00010000000109022e0001010080fa0904000004ff000000070501020002000705810200020007050202000200070582020002"], 0x0) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) setns(0xc9, 0x0) r1 = socket(0x8, 0x2, 0x0) setsockopt(r1, 0x108, 0x42020054, &(0x7f0000000000)="010000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000005000000", 0x54) bind(r1, &(0x7f0000000100)=@generic={0x8, "0000ffff0100feffffff00"}, 0xc) program did not crash testing program (duration=34.580427054s, {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-syz_usb_ep_write-setns-socket-setsockopt-bind detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002000000407205feca00010000000109022e0001010080fa0904000004ff000000070501020002000705810200020007050202000200070582020002"], 0x0) syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000300)="9101000000112233445500"/64) setns(0xc9, 0x0) r1 = socket(0x8, 0x2, 0x0) setsockopt(r1, 0x108, 0x42020054, &(0x7f0000000000)="010000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000005000000", 0x54) bind(r1, &(0x7f0000000100)=@generic={0x8, "0000ffff0100feffffff00"}, 0xc) program did not crash testing program (duration=34.580427054s, {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_ep_read-syz_usb_ep_write-setns-socket-setsockopt-bind detailed listing: executing program 0: syz_usb_ep_read(0xffffffffffffffff, 0x1, 0x0, 0x0) syz_usb_ep_write(0xffffffffffffffff, 0x81, 0x40, &(0x7f0000000300)="9101000000112233445500"/64) setns(0xc9, 0x0) r0 = socket(0x8, 0x2, 0x0) setsockopt(r0, 0x108, 0x42020054, &(0x7f0000000000)="010000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000005000000", 0x54) bind(r0, &(0x7f0000000100)=@generic={0x8, "0000ffff0100feffffff00"}, 0xc) program did not crash testing program (duration=34.580427054s, {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-syz_usb_ep_read-syz_usb_ep_write-setns-socket-setsockopt-bind detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x40, 0x0, 0x0) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000300)="9101000000112233445500"/64) setns(0xc9, 0x0) r1 = socket(0x8, 0x2, 0x0) setsockopt(r1, 0x108, 0x42020054, &(0x7f0000000000)="010000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000005000000", 0x54) bind(r1, &(0x7f0000000100)=@generic={0x8, "0000ffff0100feffffff00"}, 0xc) program did not crash testing program (duration=34.580427054s, {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-syz_usb_ep_read-syz_usb_ep_write-setns-socket-setsockopt-bind detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000300)="9101000000112233445500"/64) setns(0xc9, 0x0) r1 = socket(0x8, 0x2, 0x0) setsockopt(r1, 0x108, 0x42020054, &(0x7f0000000000)="010000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000005000000", 0x54) bind(r1, &(0x7f0000000100)=@generic={0x8, "0000ffff0100feffffff00"}, 0xc) program did not crash testing program (duration=34.580427054s, {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-syz_usb_ep_read-syz_usb_ep_write-setns-socket-setsockopt-bind detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002000000407205feca00010000000109022e0001010080fa0904000004ff000000070501020002000705810200020007050202000200070582020002"], 0x0) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) syz_usb_ep_write(r0, 0x81, 0x0, 0x0) setns(0xc9, 0x0) r1 = socket(0x8, 0x2, 0x0) setsockopt(r1, 0x108, 0x42020054, &(0x7f0000000000)="010000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000005000000", 0x54) bind(r1, &(0x7f0000000100)=@generic={0x8, "0000ffff0100feffffff00"}, 0xc) program did not crash testing program (duration=34.580427054s, {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-syz_usb_ep_read-syz_usb_ep_write-setns-socket-setsockopt-bind detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002000000407205feca00010000000109022e0001010080fa0904000004ff000000070501020002000705810200020007050202000200070582020002"], 0x0) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) syz_usb_ep_write(r0, 0x81, 0x0, &(0x7f0000000300)) setns(0xc9, 0x0) r1 = socket(0x8, 0x2, 0x0) setsockopt(r1, 0x108, 0x42020054, &(0x7f0000000000)="010000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000005000000", 0x54) bind(r1, &(0x7f0000000100)=@generic={0x8, "0000ffff0100feffffff00"}, 0xc) program did not crash testing program (duration=34.580427054s, {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-syz_usb_ep_read-syz_usb_ep_write-setns-socket-setsockopt-bind detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002000000407205feca00010000000109022e0001010080fa0904000004ff000000070501020002000705810200020007050202000200070582020002"], 0x0) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000300)="9101000000112233445500"/64) setns(0xc9, 0x0) r1 = socket(0x8, 0x2, 0x0) setsockopt(r1, 0x108, 0x42020054, 0x0, 0x0) bind(r1, &(0x7f0000000100)=@generic={0x8, "0000ffff0100feffffff00"}, 0xc) program did not crash testing program (duration=34.580427054s, {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-syz_usb_ep_read-syz_usb_ep_write-setns-socket-setsockopt-bind detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002000000407205feca00010000000109022e0001010080fa0904000004ff000000070501020002000705810200020007050202000200070582020002"], 0x0) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000300)="9101000000112233445500"/64) setns(0xc9, 0x0) r1 = socket(0x8, 0x2, 0x0) setsockopt(r1, 0x108, 0x42020054, &(0x7f0000000000), 0x0) bind(r1, &(0x7f0000000100)=@generic={0x8, "0000ffff0100feffffff00"}, 0xc) program crashed: lost connection to test machine ignore low priority crash: lost connection to test machine testing program (duration=34.580427054s, {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-syz_usb_ep_read-syz_usb_ep_write-setns-socket-setsockopt-bind detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002000000407205feca00010000000109022e0001010080fa0904000004ff000000070501020002000705810200020007050202000200070582020002"], 0x0) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000300)="9101000000112233445500"/64) setns(0xc9, 0x0) r1 = socket(0x8, 0x2, 0x0) setsockopt(r1, 0x108, 0x42020054, &(0x7f0000000000)="010000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000005000000", 0x54) bind(r1, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=34.580427054s, {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-syz_usb_ep_read-syz_usb_ep_write-setns-socket-setsockopt-bind program did not crash simplifying guilty program options testing program (duration=34.580427054s, {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-syz_usb_ep_read-syz_usb_ep_write-setns-socket-setsockopt-bind detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002000000407205feca00010000000109022e0001010080fa0904000004ff000000070501020002000705810200020007050202000200070582020002"], 0x0) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000300)="9101000000112233445500"/64) setns(0xc9, 0x0) r1 = socket(0x8, 0x2, 0x0) setsockopt(r1, 0x108, 0x42020054, &(0x7f0000000000)="010000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000005000000", 0x54) bind(r1, &(0x7f0000000100)=@generic={0x8, "0000ffff0100feffffff00"}, 0xc) program crashed: UBSAN: shift-out-of-bounds in vcc_connect extracting C reproducer testing compiled C program (duration=34.580427054s, {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-syz_usb_ep_read-syz_usb_ep_write-setns-socket-setsockopt-bind program did not crash testing program (duration=34.580427054s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_usb_ep_read-syz_usb_ep_write-setns-socket-setsockopt-bind detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002000000407205feca00010000000109022e0001010080fa0904000004ff000000070501020002000705810200020007050202000200070582020002"], 0x0) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000300)="9101000000112233445500"/64) setns(0xc9, 0x0) r1 = socket(0x8, 0x2, 0x0) setsockopt(r1, 0x108, 0x42020054, &(0x7f0000000000)="010000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000005000000", 0x54) bind(r1, &(0x7f0000000100)=@generic={0x8, "0000ffff0100feffffff00"}, 0xc) program crashed: UBSAN: shift-out-of-bounds in vcc_connect extracting C reproducer testing compiled C program (duration=34.580427054s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_usb_ep_read-syz_usb_ep_write-setns-socket-setsockopt-bind program did not crash testing program (duration=34.580427054s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_usb_ep_read-syz_usb_ep_write-setns-socket-setsockopt-bind detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002000000407205feca00010000000109022e0001010080fa0904000004ff000000070501020002000705810200020007050202000200070582020002"], 0x0) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000300)="9101000000112233445500"/64) setns(0xc9, 0x0) r1 = socket(0x8, 0x2, 0x0) setsockopt(r1, 0x108, 0x42020054, &(0x7f0000000000)="010000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000005000000", 0x54) bind(r1, &(0x7f0000000100)=@generic={0x8, "0000ffff0100feffffff00"}, 0xc) program crashed: UBSAN: shift-out-of-bounds in vcc_connect validation run: crashed=true testing program (duration=34.580427054s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_usb_ep_read-syz_usb_ep_write-setns-socket-setsockopt-bind detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002000000407205feca00010000000109022e0001010080fa0904000004ff000000070501020002000705810200020007050202000200070582020002"], 0x0) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000300)="9101000000112233445500"/64) setns(0xc9, 0x0) r1 = socket(0x8, 0x2, 0x0) setsockopt(r1, 0x108, 0x42020054, &(0x7f0000000000)="010000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000005000000", 0x54) bind(r1, &(0x7f0000000100)=@generic={0x8, "0000ffff0100feffffff00"}, 0xc) program crashed: UBSAN: shift-out-of-bounds in vcc_connect validation run: crashed=true testing program (duration=34.580427054s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_usb_ep_read-syz_usb_ep_write-setns-socket-setsockopt-bind detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x40, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002000000407205feca00010000000109022e0001010080fa0904000004ff000000070501020002000705810200020007050202000200070582020002"], 0x0) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) syz_usb_ep_write(r0, 0x81, 0x40, &(0x7f0000000300)="9101000000112233445500"/64) setns(0xc9, 0x0) r1 = socket(0x8, 0x2, 0x0) setsockopt(r1, 0x108, 0x42020054, &(0x7f0000000000)="010000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000005000000", 0x54) bind(r1, &(0x7f0000000100)=@generic={0x8, "0000ffff0100feffffff00"}, 0xc) program crashed: UBSAN: shift-out-of-bounds in vcc_connect validation run: crashed=true reproducing took 15m41.309033187s repro crashed as (corrupted=false): ------------[ cut here ]------------ UBSAN: shift-out-of-bounds in net/atm/common.c:381:10 shift exponent -1 is negative CPU: 1 UID: 0 PID: 5922 Comm: syz.0.17 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 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 ubsan_epilogue+0xa/0x30 lib/ubsan.c:233 __ubsan_handle_shift_out_of_bounds+0x279/0x2a0 lib/ubsan.c:494 __vcc_connect net/atm/common.c:381 [inline] vcc_connect.cold+0xe0/0x123 net/atm/common.c:498 pvc_bind+0x33f/0x460 net/atm/pvc.c:52 __sys_bind_socket net/socket.c:1945 [inline] __sys_bind_socket net/socket.c:1937 [inline] __sys_bind+0x1a9/0x260 net/socket.c:1976 __do_sys_bind net/socket.c:1981 [inline] __se_sys_bind net/socket.c:1979 [inline] __ia32_sys_bind+0x71/0xb0 net/socket.c:1979 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline] __do_fast_syscall_32+0x13a/0x8b0 arch/x86/entry/syscall_32.c:291 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7fb6fec Code: Unable to access opcode bytes at 0xf7fb6fc2. RSP: 002b:00000000ff8357bc EFLAGS: 00000296 ORIG_RAX: 0000000000000169 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000080000100 RDX: 000000000000000c RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---[ end trace ]--- final repro crashed as (corrupted=false): ------------[ cut here ]------------ UBSAN: shift-out-of-bounds in net/atm/common.c:381:10 shift exponent -1 is negative CPU: 1 UID: 0 PID: 5922 Comm: syz.0.17 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 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 ubsan_epilogue+0xa/0x30 lib/ubsan.c:233 __ubsan_handle_shift_out_of_bounds+0x279/0x2a0 lib/ubsan.c:494 __vcc_connect net/atm/common.c:381 [inline] vcc_connect.cold+0xe0/0x123 net/atm/common.c:498 pvc_bind+0x33f/0x460 net/atm/pvc.c:52 __sys_bind_socket net/socket.c:1945 [inline] __sys_bind_socket net/socket.c:1937 [inline] __sys_bind+0x1a9/0x260 net/socket.c:1976 __do_sys_bind net/socket.c:1981 [inline] __se_sys_bind net/socket.c:1979 [inline] __ia32_sys_bind+0x71/0xb0 net/socket.c:1979 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline] __do_fast_syscall_32+0x13a/0x8b0 arch/x86/entry/syscall_32.c:291 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7fb6fec Code: Unable to access opcode bytes at 0xf7fb6fc2. RSP: 002b:00000000ff8357bc EFLAGS: 00000296 ORIG_RAX: 0000000000000169 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000080000100 RDX: 000000000000000c RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---[ end trace ]---