Extracting prog: 3m23.292702544s Minimizing prog: 50m18.122353627s Simplifying prog options: 20m13.048358543s Extracting C: 6m9.625200484s 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:5 Slowdown:1 Sandbox:namespace 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}}): unshare-syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write detailed listing: executing program 0: unshare(0x2020400) r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0xcf2, 0x6250, 0x0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x0, 0x80, 0xfa, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x8, 0x6, 0x50, 0x0, [], [{{0x9, 0x5, 0x1, 0x2, 0x200}}, {{0x9, 0x5, 0x82, 0x2, 0x200}}]}}]}}]}}, 0x0) syz_usb_ep_read(r0, 0x1, 0x1f, &(0x7f0000001000)) syz_usb_ep_write(r0, 0x82, 0x1, &(0x7f0000002000)="03") 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:5 Slowdown:1 Sandbox:namespace 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}}): unshare-syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write detailed listing: executing program 0: unshare(0x2020400) r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0xcf2, 0x6250, 0x0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x0, 0x80, 0xfa, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x8, 0x6, 0x50, 0x0, [], [{{0x9, 0x5, 0x1, 0x2, 0x200}}, {{0x9, 0x5, 0x82, 0x2, 0x200}}]}}]}}]}}, 0x0) syz_usb_ep_read(r0, 0x1, 0x1f, &(0x7f0000001000)) syz_usb_ep_write(r0, 0x82, 0x1, &(0x7f0000002000)="03") program crashed: WARNING in usb_stor_msg_common/usb_submit_urb single: successfully extracted reproducer found reproducer with 4 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): unshare-syz_usb_connect-syz_usb_ep_read detailed listing: executing program 0: unshare(0x2020400) r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0xcf2, 0x6250, 0x0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x0, 0x80, 0xfa, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x8, 0x6, 0x50, 0x0, [], [{{0x9, 0x5, 0x1, 0x2, 0x200}}, {{0x9, 0x5, 0x82, 0x2, 0x200}}]}}]}}]}}, 0x0) syz_usb_ep_read(r0, 0x1, 0x1f, &(0x7f0000001000)) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): unshare-syz_usb_connect-syz_usb_ep_write detailed listing: executing program 0: unshare(0x2020400) r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0xcf2, 0x6250, 0x0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x0, 0x80, 0xfa, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x8, 0x6, 0x50, 0x0, [], [{{0x9, 0x5, 0x1, 0x2, 0x200}}, {{0x9, 0x5, 0x82, 0x2, 0x200}}]}}]}}]}}, 0x0) syz_usb_ep_write(r0, 0x82, 0x1, &(0x7f0000002000)="03") program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): unshare-syz_usb_ep_read-syz_usb_ep_write detailed listing: executing program 0: unshare(0x2020400) syz_usb_ep_read(0xffffffffffffffff, 0x1, 0x1f, &(0x7f0000001000)) syz_usb_ep_write(0xffffffffffffffff, 0x82, 0x1, &(0x7f0000002000)="03") program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0xcf2, 0x6250, 0x0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x0, 0x80, 0xfa, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x8, 0x6, 0x50, 0x0, [], [{{0x9, 0x5, 0x1, 0x2, 0x200}}, {{0x9, 0x5, 0x82, 0x2, 0x200}}]}}]}}]}}, 0x0) syz_usb_ep_read(r0, 0x1, 0x1f, &(0x7f0000001000)) syz_usb_ep_write(r0, 0x82, 0x1, &(0x7f0000002000)="03") program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): unshare-syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write detailed listing: executing program 0: unshare(0x2020400) r0 = syz_usb_connect(0x0, 0x0, 0x0, 0x0) syz_usb_ep_read(r0, 0x1, 0x1f, &(0x7f0000001000)) syz_usb_ep_write(r0, 0x82, 0x1, &(0x7f0000002000)="03") program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): unshare-syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write detailed listing: executing program 0: unshare(0x2020400) r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0xcf2, 0x6250, 0x0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x0, 0x80, 0xfa, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x8, 0x6, 0x50, 0x0, [], [{{0x9, 0x5, 0x1, 0x2, 0x200}}, {{0x9, 0x5, 0x82, 0x2, 0x200}}]}}]}}]}}, 0x0) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) syz_usb_ep_write(r0, 0x82, 0x1, &(0x7f0000002000)="03") program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): unshare-syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write detailed listing: executing program 0: unshare(0x2020400) r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0xcf2, 0x6250, 0x0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x0, 0x80, 0xfa, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x8, 0x6, 0x50, 0x0, [], [{{0x9, 0x5, 0x1, 0x2, 0x200}}, {{0x9, 0x5, 0x82, 0x2, 0x200}}]}}]}}]}}, 0x0) syz_usb_ep_read(r0, 0x1, 0x1f, &(0x7f0000001000)) syz_usb_ep_write(r0, 0x82, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): unshare-syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write detailed listing: executing program 0: unshare(0x2020400) r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0xcf2, 0x6250, 0x0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x0, 0x80, 0xfa, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x8, 0x6, 0x50, 0x0, [], [{{0x9, 0x5, 0x1, 0x2, 0x200}}, {{0x9, 0x5, 0x82, 0x2, 0x200}}]}}]}}]}}, 0x0) syz_usb_ep_read(r0, 0x1, 0x1f, &(0x7f0000001000)) syz_usb_ep_write(r0, 0x82, 0x0, &(0x7f0000002000)) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): unshare-syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write 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:5 Slowdown:1 Sandbox:namespace 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}}): unshare-syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write detailed listing: executing program 0: unshare(0x2020400) r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0xcf2, 0x6250, 0x0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x0, 0x80, 0xfa, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x8, 0x6, 0x50, 0x0, [], [{{0x9, 0x5, 0x1, 0x2, 0x200}}, {{0x9, 0x5, 0x82, 0x2, 0x200}}]}}]}}]}}, 0x0) syz_usb_ep_read(r0, 0x1, 0x1f, &(0x7f0000001000)) syz_usb_ep_write(r0, 0x82, 0x1, &(0x7f0000002000)="03") program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:namespace 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}}): unshare-syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write detailed listing: executing program 0: unshare(0x2020400) r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0xcf2, 0x6250, 0x0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x0, 0x80, 0xfa, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x8, 0x6, 0x50, 0x0, [], [{{0x9, 0x5, 0x1, 0x2, 0x200}}, {{0x9, 0x5, 0x82, 0x2, 0x200}}]}}]}}]}}, 0x0) syz_usb_ep_read(r0, 0x1, 0x1f, &(0x7f0000001000)) syz_usb_ep_write(r0, 0x82, 0x1, &(0x7f0000002000)="03") program crashed: WARNING in usb_stor_msg_common/usb_submit_urb extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:namespace 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}}): unshare-syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing 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}}): unshare-syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write detailed listing: executing program 0: unshare(0x2020400) r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0xcf2, 0x6250, 0x0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x0, 0x80, 0xfa, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x8, 0x6, 0x50, 0x0, [], [{{0x9, 0x5, 0x1, 0x2, 0x200}}, {{0x9, 0x5, 0x82, 0x2, 0x200}}]}}]}}]}}, 0x0) syz_usb_ep_read(r0, 0x1, 0x1f, &(0x7f0000001000)) syz_usb_ep_write(r0, 0x82, 0x1, &(0x7f0000002000)="03") program crashed: WARNING in usb_stor_msg_common/usb_submit_urb extracting C reproducer 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}}): unshare-syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing 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}}): unshare-syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write detailed listing: executing program 0: unshare(0x2020400) r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0xcf2, 0x6250, 0x0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x0, 0x80, 0xfa, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x8, 0x6, 0x50, 0x0, [], [{{0x9, 0x5, 0x1, 0x2, 0x200}}, {{0x9, 0x5, 0x82, 0x2, 0x200}}]}}]}}]}}, 0x0) syz_usb_ep_read(r0, 0x1, 0x1f, &(0x7f0000001000)) syz_usb_ep_write(r0, 0x82, 0x1, &(0x7f0000002000)="03") program crashed: WARNING in usb_stor_msg_common/usb_submit_urb validation run: crashed=true testing 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}}): unshare-syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write detailed listing: executing program 0: unshare(0x2020400) r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0xcf2, 0x6250, 0x0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x0, 0x80, 0xfa, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x8, 0x6, 0x50, 0x0, [], [{{0x9, 0x5, 0x1, 0x2, 0x200}}, {{0x9, 0x5, 0x82, 0x2, 0x200}}]}}]}}]}}, 0x0) syz_usb_ep_read(r0, 0x1, 0x1f, &(0x7f0000001000)) syz_usb_ep_write(r0, 0x82, 0x1, &(0x7f0000002000)="03") program crashed: WARNING in usb_stor_msg_common/usb_submit_urb validation run: crashed=true testing 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}}): unshare-syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write detailed listing: executing program 0: unshare(0x2020400) r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0xcf2, 0x6250, 0x0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x0, 0x80, 0xfa, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x8, 0x6, 0x50, 0x0, [], [{{0x9, 0x5, 0x1, 0x2, 0x200}}, {{0x9, 0x5, 0x82, 0x2, 0x200}}]}}]}}]}}, 0x0) syz_usb_ep_read(r0, 0x1, 0x1f, &(0x7f0000001000)) syz_usb_ep_write(r0, 0x82, 0x1, &(0x7f0000002000)="03") program crashed: WARNING in usb_stor_msg_common/usb_submit_urb validation run: crashed=true reproducing took 1h22m56.624435283s repro crashed as (corrupted=false): ------------[ cut here ]------------ URB ffff888073bf1600 submitted while active WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x79/0x18b0 drivers/usb/core/urb.c:379, CPU#0: kworker/0:4/5714 Modules linked in: CPU: 0 UID: 0 PID: 5714 Comm: kworker/0:4 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: events_freezable usb_stor_scan_dwork RIP: 0010:usb_submit_urb+0x7c/0x18b0 drivers/usb/core/urb.c:379 Code: 4c 89 f0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 f7 e8 c9 04 ca fa 49 83 3e 00 74 40 e8 4e 3b 5a fa 48 8d 3d 27 4a 1a 09 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 33 3b 5a fa eb 05 e8 2c 3b RSP: 0000:ffffc9000394f878 EFLAGS: 00010293 RAX: ffffffff876d7b62 RBX: ffff888073bf1600 RCX: ffff888078480000 RDX: 0000000000000000 RSI: ffff888073bf1600 RDI: ffffffff9087c590 RBP: dffffc0000000000 R08: 0000000000000002 R09: 0000000000000000 R10: ffffc9000394f960 R11: fffff52000729f37 R12: ffff888073bf1668 R13: ffff888021b250a0 R14: ffff888073bf1608 R15: 0000000000000c00 FS: 0000000000000000(0000) GS:ffff888124cda000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a2ae551138 CR3: 0000000076d0c000 CR4: 00000000003526f0 Call Trace: usb_stor_msg_common+0x2a2/0x500 drivers/usb/storage/transport.c:143 usb_stor_control_msg drivers/usb/storage/transport.c:205 [inline] usb_stor_Bulk_max_lun+0x2fd/0x5b0 drivers/usb/storage/transport.c:1081 usb_stor_scan_dwork+0xf4/0x2c0 drivers/usb/storage/usb.c:988 process_one_work kernel/workqueue.c:3387 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3470 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3551 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ---------------- Code disassembly (best guess): 0: 4c 89 f0 mov %r14,%rax 3: 48 c1 e8 03 shr $0x3,%rax 7: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1) b: 74 08 je 0x15 d: 4c 89 f7 mov %r14,%rdi 10: e8 c9 04 ca fa call 0xfaca04de 15: 49 83 3e 00 cmpq $0x0,(%r14) 19: 74 40 je 0x5b 1b: e8 4e 3b 5a fa call 0xfa5a3b6e 20: 48 8d 3d 27 4a 1a 09 lea 0x91a4a27(%rip),%rdi # 0x91a4a4e 27: 48 89 de mov %rbx,%rsi * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: b8 f0 ff ff ff mov $0xfffffff0,%eax 34: eb 11 jmp 0x47 36: e8 33 3b 5a fa call 0xfa5a3b6e 3b: eb 05 jmp 0x42 3d: e8 .byte 0xe8 3e: 2c 3b sub $0x3b,%al final repro crashed as (corrupted=false): ------------[ cut here ]------------ URB ffff888073bf1600 submitted while active WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x79/0x18b0 drivers/usb/core/urb.c:379, CPU#0: kworker/0:4/5714 Modules linked in: CPU: 0 UID: 0 PID: 5714 Comm: kworker/0:4 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: events_freezable usb_stor_scan_dwork RIP: 0010:usb_submit_urb+0x7c/0x18b0 drivers/usb/core/urb.c:379 Code: 4c 89 f0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 f7 e8 c9 04 ca fa 49 83 3e 00 74 40 e8 4e 3b 5a fa 48 8d 3d 27 4a 1a 09 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 33 3b 5a fa eb 05 e8 2c 3b RSP: 0000:ffffc9000394f878 EFLAGS: 00010293 RAX: ffffffff876d7b62 RBX: ffff888073bf1600 RCX: ffff888078480000 RDX: 0000000000000000 RSI: ffff888073bf1600 RDI: ffffffff9087c590 RBP: dffffc0000000000 R08: 0000000000000002 R09: 0000000000000000 R10: ffffc9000394f960 R11: fffff52000729f37 R12: ffff888073bf1668 R13: ffff888021b250a0 R14: ffff888073bf1608 R15: 0000000000000c00 FS: 0000000000000000(0000) GS:ffff888124cda000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a2ae551138 CR3: 0000000076d0c000 CR4: 00000000003526f0 Call Trace: usb_stor_msg_common+0x2a2/0x500 drivers/usb/storage/transport.c:143 usb_stor_control_msg drivers/usb/storage/transport.c:205 [inline] usb_stor_Bulk_max_lun+0x2fd/0x5b0 drivers/usb/storage/transport.c:1081 usb_stor_scan_dwork+0xf4/0x2c0 drivers/usb/storage/usb.c:988 process_one_work kernel/workqueue.c:3387 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3470 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3551 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ---------------- Code disassembly (best guess): 0: 4c 89 f0 mov %r14,%rax 3: 48 c1 e8 03 shr $0x3,%rax 7: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1) b: 74 08 je 0x15 d: 4c 89 f7 mov %r14,%rdi 10: e8 c9 04 ca fa call 0xfaca04de 15: 49 83 3e 00 cmpq $0x0,(%r14) 19: 74 40 je 0x5b 1b: e8 4e 3b 5a fa call 0xfa5a3b6e 20: 48 8d 3d 27 4a 1a 09 lea 0x91a4a27(%rip),%rdi # 0x91a4a4e 27: 48 89 de mov %rbx,%rsi * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: b8 f0 ff ff ff mov $0xfffffff0,%eax 34: eb 11 jmp 0x47 36: e8 33 3b 5a fa call 0xfa5a3b6e 3b: eb 05 jmp 0x42 3d: e8 .byte 0xe8 3e: 2c 3b sub $0x3b,%al