Extracting prog: 3m19.544340778s Minimizing prog: 29m13.938230973s Simplifying prog options: 19m59.826150479s Extracting C: 6m1.963582074s 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}}): syz_usb_connect_ath9k-syz_usb_connect detailed listing: executing program 0: syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) (async) syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0xa1, 0xd8, 0xff, 0x20, 0xcf2, 0x6250, 0x4642, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x4, 0x10, 0x0, [{{0x9, 0x4, 0x36, 0x10, 0x2, 0xc7, 0x3, 0xe8, 0x8, [], [{{0x9, 0x5, 0x6, 0x2, 0x3ff}}, {{0x9, 0x5, 0x82, 0x2, 0x8}}]}}]}}]}}, 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: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_ath9k-syz_usb_connect detailed listing: executing program 0: syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) (async) syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0xa1, 0xd8, 0xff, 0x20, 0xcf2, 0x6250, 0x4642, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x4, 0x10, 0x0, [{{0x9, 0x4, 0x36, 0x10, 0x2, 0xc7, 0x3, 0xe8, 0x8, [], [{{0x9, 0x5, 0x6, 0x2, 0x3ff}}, {{0x9, 0x5, 0x82, 0x2, 0x8}}]}}]}}]}}, 0x0) program crashed: WARNING in usb_stor_msg_common/usb_submit_urb single: successfully extracted reproducer found reproducer with 2 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}}): syz_usb_connect_ath9k detailed listing: executing program 0: syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) (async) 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 detailed listing: executing program 0: syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0xa1, 0xd8, 0xff, 0x20, 0xcf2, 0x6250, 0x4642, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x4, 0x10, 0x0, [{{0x9, 0x4, 0x36, 0x10, 0x2, 0xc7, 0x3, 0xe8, 0x8, [], [{{0x9, 0x5, 0x6, 0x2, 0x3ff}}, {{0x9, 0x5, 0x82, 0x2, 0x8}}]}}]}}]}}, 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}}): syz_usb_connect_ath9k-syz_usb_connect detailed listing: executing program 0: syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0xa1, 0xd8, 0xff, 0x20, 0xcf2, 0x6250, 0x4642, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x4, 0x10, 0x0, [{{0x9, 0x4, 0x36, 0x10, 0x2, 0xc7, 0x3, 0xe8, 0x8, [], [{{0x9, 0x5, 0x6, 0x2, 0x3ff}}, {{0x9, 0x5, 0x82, 0x2, 0x8}}]}}]}}]}}, 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}}): syz_usb_connect_ath9k-syz_usb_connect detailed listing: executing program 0: syz_usb_connect_ath9k(0x3, 0x0, 0x0, 0x0) (async) syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0xa1, 0xd8, 0xff, 0x20, 0xcf2, 0x6250, 0x4642, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x4, 0x10, 0x0, [{{0x9, 0x4, 0x36, 0x10, 0x2, 0xc7, 0x3, 0xe8, 0x8, [], [{{0x9, 0x5, 0x6, 0x2, 0x3ff}}, {{0x9, 0x5, 0x82, 0x2, 0x8}}]}}]}}]}}, 0x0) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine 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_ath9k-syz_usb_connect detailed listing: executing program 0: syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) (async) syz_usb_connect(0x0, 0x0, 0x0, 0x0) 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}}): syz_usb_connect_ath9k-syz_usb_connect 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}}): syz_usb_connect_ath9k-syz_usb_connect detailed listing: executing program 0: syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) (async) syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0xa1, 0xd8, 0xff, 0x20, 0xcf2, 0x6250, 0x4642, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x4, 0x10, 0x0, [{{0x9, 0x4, 0x36, 0x10, 0x2, 0xc7, 0x3, 0xe8, 0x8, [], [{{0x9, 0x5, 0x6, 0x2, 0x3ff}}, {{0x9, 0x5, 0x82, 0x2, 0x8}}]}}]}}]}}, 0x0) 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}}): syz_usb_connect_ath9k-syz_usb_connect detailed listing: executing program 0: syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) (async) syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0xa1, 0xd8, 0xff, 0x20, 0xcf2, 0x6250, 0x4642, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x4, 0x10, 0x0, [{{0x9, 0x4, 0x36, 0x10, 0x2, 0xc7, 0x3, 0xe8, 0x8, [], [{{0x9, 0x5, 0x6, 0x2, 0x3ff}}, {{0x9, 0x5, 0x82, 0x2, 0x8}}]}}]}}]}}, 0x0) 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}}): syz_usb_connect_ath9k-syz_usb_connect 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}}): syz_usb_connect_ath9k-syz_usb_connect detailed listing: executing program 0: syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) (async) syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0xa1, 0xd8, 0xff, 0x20, 0xcf2, 0x6250, 0x4642, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x4, 0x10, 0x0, [{{0x9, 0x4, 0x36, 0x10, 0x2, 0xc7, 0x3, 0xe8, 0x8, [], [{{0x9, 0x5, 0x6, 0x2, 0x3ff}}, {{0x9, 0x5, 0x82, 0x2, 0x8}}]}}]}}]}}, 0x0) 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}}): syz_usb_connect_ath9k-syz_usb_connect 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}}): syz_usb_connect_ath9k-syz_usb_connect detailed listing: executing program 0: syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) (async) syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0xa1, 0xd8, 0xff, 0x20, 0xcf2, 0x6250, 0x4642, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x4, 0x10, 0x0, [{{0x9, 0x4, 0x36, 0x10, 0x2, 0xc7, 0x3, 0xe8, 0x8, [], [{{0x9, 0x5, 0x6, 0x2, 0x3ff}}, {{0x9, 0x5, 0x82, 0x2, 0x8}}]}}]}}]}}, 0x0) 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}}): syz_usb_connect_ath9k-syz_usb_connect detailed listing: executing program 0: syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) (async) syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0xa1, 0xd8, 0xff, 0x20, 0xcf2, 0x6250, 0x4642, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x4, 0x10, 0x0, [{{0x9, 0x4, 0x36, 0x10, 0x2, 0xc7, 0x3, 0xe8, 0x8, [], [{{0x9, 0x5, 0x6, 0x2, 0x3ff}}, {{0x9, 0x5, 0x82, 0x2, 0x8}}]}}]}}]}}, 0x0) 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}}): syz_usb_connect_ath9k-syz_usb_connect detailed listing: executing program 0: syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) (async) syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0xa1, 0xd8, 0xff, 0x20, 0xcf2, 0x6250, 0x4642, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x4, 0x10, 0x0, [{{0x9, 0x4, 0x36, 0x10, 0x2, 0xc7, 0x3, 0xe8, 0x8, [], [{{0x9, 0x5, 0x6, 0x2, 0x3ff}}, {{0x9, 0x5, 0x82, 0x2, 0x8}}]}}]}}]}}, 0x0) program crashed: WARNING in usb_stor_msg_common/usb_submit_urb validation run: crashed=true reproducing took 1h1m42.669204772s repro crashed as (corrupted=false): ------------[ cut here ]------------ URB ffff888146741500 submitted while active WARNING: drivers/usb/core/urb.c:380 at usb_submit_urb+0x7b/0x18b0 drivers/usb/core/urb.c:380, CPU#0: usb-storage/5986 Modules linked in: CPU: 0 UID: 0 PID: 5986 Comm: usb-storage Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 RIP: 0010:usb_submit_urb+0x7e/0x18b0 drivers/usb/core/urb.c:380 Code: 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 87 87 03 fb 49 83 3e 00 74 40 e8 6c 5b 9a fa 48 8d 3d b5 1e d3 08 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 51 5b 9a fa eb 05 e8 4a 5b RSP: 0018:ffffc900030d73a8 EFLAGS: 00010293 RAX: ffffffff872a1c84 RBX: ffff888146741500 RCX: ffff88802ad7dac0 RDX: 0000000000000000 RSI: ffff888146741500 RDI: ffffffff8ffd3b40 RBP: ffffc900030d7568 R08: 0000000000000002 R09: 0000000000000000 R10: ffffc900030d74a0 R11: fffff5200061ae9f R12: 0000000000000c00 R13: ffff888030130fc8 R14: ffff888146741508 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881256c8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562ecd37f790 CR3: 00000000281ea000 CR4: 00000000003526f0 Call Trace: usb_stor_msg_common+0x2a2/0x500 drivers/usb/storage/transport.c:143 usb_stor_bulk_transfer_buf+0x155/0x7b0 drivers/usb/storage/transport.c:395 ene_send_scsi_cmd+0x119/0x610 drivers/usb/storage/ene_ub6250.c:502 ene_get_card_type drivers/usb/storage/ene_ub6250.c:1843 [inline] ene_init+0x14f/0x380 drivers/usb/storage/ene_ub6250.c:2197 ene_transport+0x3ac3/0x46e0 drivers/usb/storage/ene_ub6250.c:2310 usb_stor_invoke_transport+0x11d/0x1a50 drivers/usb/storage/transport.c:611 usb_stor_control_thread+0x44c/0x900 drivers/usb/storage/usb.c:462 kthread+0x388/0x470 kernel/kthread.c:467 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ---------------- Code disassembly (best guess): 0: 89 f0 mov %esi,%eax 2: 48 c1 e8 03 shr $0x3,%rax 6: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) b: 74 08 je 0x15 d: 4c 89 f7 mov %r14,%rdi 10: e8 87 87 03 fb call 0xfb03879c 15: 49 83 3e 00 cmpq $0x0,(%r14) 19: 74 40 je 0x5b 1b: e8 6c 5b 9a fa call 0xfa9a5b8c 20: 48 8d 3d b5 1e d3 08 lea 0x8d31eb5(%rip),%rdi # 0x8d31edc 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 51 5b 9a fa call 0xfa9a5b8c 3b: eb 05 jmp 0x42 3d: e8 .byte 0xe8 3e: 4a 5b rex.WX pop %rbx final repro crashed as (corrupted=false): ------------[ cut here ]------------ URB ffff888146741500 submitted while active WARNING: drivers/usb/core/urb.c:380 at usb_submit_urb+0x7b/0x18b0 drivers/usb/core/urb.c:380, CPU#0: usb-storage/5986 Modules linked in: CPU: 0 UID: 0 PID: 5986 Comm: usb-storage Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 RIP: 0010:usb_submit_urb+0x7e/0x18b0 drivers/usb/core/urb.c:380 Code: 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 87 87 03 fb 49 83 3e 00 74 40 e8 6c 5b 9a fa 48 8d 3d b5 1e d3 08 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 51 5b 9a fa eb 05 e8 4a 5b RSP: 0018:ffffc900030d73a8 EFLAGS: 00010293 RAX: ffffffff872a1c84 RBX: ffff888146741500 RCX: ffff88802ad7dac0 RDX: 0000000000000000 RSI: ffff888146741500 RDI: ffffffff8ffd3b40 RBP: ffffc900030d7568 R08: 0000000000000002 R09: 0000000000000000 R10: ffffc900030d74a0 R11: fffff5200061ae9f R12: 0000000000000c00 R13: ffff888030130fc8 R14: ffff888146741508 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881256c8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562ecd37f790 CR3: 00000000281ea000 CR4: 00000000003526f0 Call Trace: usb_stor_msg_common+0x2a2/0x500 drivers/usb/storage/transport.c:143 usb_stor_bulk_transfer_buf+0x155/0x7b0 drivers/usb/storage/transport.c:395 ene_send_scsi_cmd+0x119/0x610 drivers/usb/storage/ene_ub6250.c:502 ene_get_card_type drivers/usb/storage/ene_ub6250.c:1843 [inline] ene_init+0x14f/0x380 drivers/usb/storage/ene_ub6250.c:2197 ene_transport+0x3ac3/0x46e0 drivers/usb/storage/ene_ub6250.c:2310 usb_stor_invoke_transport+0x11d/0x1a50 drivers/usb/storage/transport.c:611 usb_stor_control_thread+0x44c/0x900 drivers/usb/storage/usb.c:462 kthread+0x388/0x470 kernel/kthread.c:467 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ---------------- Code disassembly (best guess): 0: 89 f0 mov %esi,%eax 2: 48 c1 e8 03 shr $0x3,%rax 6: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) b: 74 08 je 0x15 d: 4c 89 f7 mov %r14,%rdi 10: e8 87 87 03 fb call 0xfb03879c 15: 49 83 3e 00 cmpq $0x0,(%r14) 19: 74 40 je 0x5b 1b: e8 6c 5b 9a fa call 0xfa9a5b8c 20: 48 8d 3d b5 1e d3 08 lea 0x8d31eb5(%rip),%rdi # 0x8d31edc 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 51 5b 9a fa call 0xfa9a5b8c 3b: eb 05 jmp 0x42 3d: e8 .byte 0xe8 3e: 4a 5b rex.WX pop %rbx