Extracting prog: 3m46.82553678s Minimizing prog: 2h13m12.449591267s Simplifying prog options: 0s Extracting C: 2m45.624616697s Simplifying C: 18m36.666442493s extracting reproducer from 1 programs testing a last program of every proc 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 0x0}, 0x0) program crashed: INFO: task hung in usb_audio_probe single: successfully extracted reproducer found reproducer with 7 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) syz_usb_control_io$uac3(0xffffffffffffffff, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(0xffffffffffffffff, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 0x0}, 0x0) syz_usb_control_io$uac3(0xffffffffffffffff, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, 0x0, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, 0x0, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, 0x0}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x0, 0x0}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, 0x0, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, 0x0, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x2, {0x2, 0xa}}, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 0x0}, 0x0) syz_usb_control_io$uac3(r0, 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, 0x0, 0x0}, 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 program crashed: INFO: task hung in usb_audio_probe simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 program crashed: INFO: task hung in usb_audio_probe testing compiled C 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 program crashed: INFO: task hung in usb_audio_probe testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 program crashed: INFO: task hung in usb_audio_probe testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 program crashed: INFO: task hung in usb_audio_probe testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 program crashed: INFO: task hung in usb_audio_probe testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 0x0}, 0x0) program crashed: INFO: task hung in usb_audio_probe validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 0x0}, 0x0) program crashed: INFO: task hung in usb_audio_probe validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_connect$uac3-syz_usb_control_io$uac3-syz_usb_control_io-syz_usb_connect$uac1-syz_usb_control_io$uac3-syz_usb_control_io$uac3 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f00000002c0)={0x2c, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x20, 0x29, 0xf, {0xf, 0x29, 0xe, 0x4, 0xb, 0x6, "04000004", "02012000"}}, 0x0}, 0x0) r0 = syz_usb_connect$uac3(0x3, 0x97, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0x10, 0x103d, 0x100, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x85, 0x3, 0x1, 0xd8, 0x10, 0xc, {0x8, 0xb, 0x1, 0x2, 0x1, 0x1, 0x30, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0x10, 0xa, 0x7}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x20, 0xe, 0x0, 0x3, {0xa, 0x25, 0x25, 0x7fffffff, 0xc, 0x180}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {[@as_header={0x17, 0x24, 0x1, 0x6, 0x8000, 0x7, 0x2, 0x6, 0x4a, 0x9, 0x10}]}, {{0x9, 0x5, 0x82, 0x9, 0x20, 0x7f, 0x4, 0x0, {0xa, 0x25, 0x25, 0x400, 0x8f, 0x2}}}}}}}}]}}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$uac1(0x4, 0x0, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x1, [{0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0xc07}}]}) syz_usb_control_io$uac3(r0, &(0x7f0000000100)={0x14, &(0x7f0000000300)={0x0, 0xe, 0x6, {0x6, 0xa, "c39aed3c"}}, 0x0}, 0x0) syz_usb_control_io$uac3(r0, &(0x7f0000000140)={0x14, &(0x7f0000000240)=ANY=[], 0x0}, 0x0) program crashed: INFO: task hung in usb_audio_probe validation run: crashed=true reproducing took 2h46m38.490409834s repro crashed as (corrupted=false): INFO: task kworker/0:1:10 blocked for more than 122 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:1 state:D stack:0 pid:10 tgid:10 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:6026 [inline] __schedule+0x1399/0x1fa0 kernel/sched/core.c:7880 __schedule_loop kernel/sched/core.c:7961 [inline] schedule+0xc5/0x240 kernel/sched/core.c:7976 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:8033 __mutex_lock_common kernel/locking/mutex.c:707 [inline] __mutex_lock+0x960/0x1bb0 kernel/locking/mutex.c:803 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1134 mutex_lock+0x113/0x1d0 kernel/locking/mutex.c:285 usb_audio_probe+0x39d/0x1d60 sound/usb/card.c:887 usb_probe_interface+0x6a9/0xc00 drivers/usb/core/driver.c:400 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2d8/0x890 drivers/base/dd.c:657 __driver_probe_device+0x198/0x280 drivers/base/dd.c:799 driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829 __device_attach_driver+0x2f1/0x4b0 drivers/base/dd.c:957 bus_for_each_drv+0x264/0x300 drivers/base/bus.c:459 __device_attach+0x2c9/0x3c0 drivers/base/dd.c:1029 device_initial_probe+0x1e/0x30 drivers/base/dd.c:1078 bus_probe_device+0x18b/0x270 drivers/base/bus.c:534 device_add+0x80c/0xbf0 drivers/base/core.c:3692 usb_set_configuration+0x1acf/0x20b0 drivers/usb/core/message.c:2268 usb_generic_driver_probe+0x95/0x160 drivers/usb/core/generic.c:254 usb_probe_device+0x1d1/0x380 drivers/usb/core/driver.c:295 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2d8/0x890 drivers/base/dd.c:657 __driver_probe_device+0x198/0x280 drivers/base/dd.c:799 driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829 __device_attach_driver+0x2f1/0x4b0 drivers/base/dd.c:957 bus_for_each_drv+0x264/0x300 drivers/base/bus.c:459 __device_attach+0x2c9/0x3c0 drivers/base/dd.c:1029 device_initial_probe+0x1e/0x30 drivers/base/dd.c:1078 bus_probe_device+0x18b/0x270 drivers/base/bus.c:534 device_add+0x80c/0xbf0 drivers/base/core.c:3692 usb_new_device+0x9f8/0x15b0 drivers/usb/core/hub.c:2703 hub_port_connect drivers/usb/core/hub.c:5574 [inline] hub_port_connect_change drivers/usb/core/hub.c:5714 [inline] port_event drivers/usb/core/hub.c:5878 [inline] hub_event+0x30c6/0x4700 drivers/usb/core/hub.c:5960 process_one_work kernel/workqueue.c:3261 [inline] process_scheduled_works+0x7d4/0x1020 kernel/workqueue.c:3342 worker_thread+0xc51/0x1370 kernel/workqueue.c:3423 kthread+0x2c9/0x370 kernel/kthread.c:389 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task kworker/1:0:31 blocked for more than 123 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:0 pid:31 tgid:31 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:6026 [inline] __schedule+0x1399/0x1fa0 kernel/sched/core.c:7880 __schedule_loop kernel/sched/core.c:7961 [inline] schedule+0xc5/0x240 kernel/sched/core.c:7976 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:8033 __mutex_lock_common kernel/locking/mutex.c:707 [inline] __mutex_lock+0x960/0x1bb0 kernel/locking/mutex.c:803 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1134 mutex_lock+0x113/0x1d0 kernel/locking/mutex.c:285 usb_audio_probe+0x39d/0x1d60 sound/usb/card.c:887 usb_probe_interface+0x6a9/0xc00 drivers/usb/core/driver.c:400 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2d8/0x890 drivers/base/dd.c:657 __driver_probe_device+0x198/0x280 drivers/base/dd.c:799 driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829 __device_attach_driver+0x2f1/0x4b0 drivers/base/dd.c:957 bus_for_each_drv+0x264/0x300 drivers/base/bus.c:459 __device_attach+0x2c9/0x3c0 drivers/base/dd.c:1029 device_initial_probe+0x1e/0x30 drivers/base/dd.c:1078 bus_probe_device+0x18b/0x270 drivers/base/bus.c:534 device_add+0x80c/0xbf0 drivers/base/core.c:3692 usb_set_configuration+0x1acf/0x20b0 drivers/usb/core/message.c:2268 usb_generic_driver_probe+0x95/0x160 drivers/usb/core/generic.c:254 usb_probe_device+0x1d1/0x380 drivers/usb/core/driver.c:295 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2d8/0x890 drivers/base/dd.c:657 __driver_probe_device+0x198/0x280 drivers/base/dd.c:799 driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829 __device_attach_driver+0x2f1/0x4b0 drivers/base/dd.c:957 bus_for_each_drv+0x264/0x300 drivers/base/bus.c:459 __device_attach+0x2c9/0x3c0 drivers/base/dd.c:1029 device_initial_probe+0x1e/0x30 drivers/base/dd.c:1078 bus_probe_device+0x18b/0x270 drivers/base/bus.c:534 device_add+0x80c/0xbf0 drivers/base/core.c:3692 usb_new_device+0x9f8/0x15b0 drivers/usb/core/hub.c:2703 hub_port_connect drivers/usb/core/hub.c:5574 [inline] hub_port_connect_change drivers/usb/core/hub.c:5714 [inline] port_event drivers/usb/core/hub.c:5878 [inline] hub_event+0x30c6/0x4700 drivers/usb/core/hub.c:5960 process_one_work kernel/workqueue.c:3261 [inline] process_scheduled_works+0x7d4/0x1020 kernel/workqueue.c:3342 worker_thread+0xc51/0x1370 kernel/workqueue.c:3423 kthread+0x2c9/0x370 kernel/kthread.c:389 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task kworker/1:3:400 blocked for more than 123 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:3 state:D stack:0 pid:400 tgid:400 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:6026 [inline] __schedule+0x1399/0x1fa0 kernel/sched/core.c:7880 __schedule_loop kernel/sched/core.c:7961 [inline] schedule+0xc5/0x240 kernel/sched/core.c:7976 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:8033 __mutex_lock_common kernel/locking/mutex.c:707 [inline] __mutex_lock+0x960/0x1bb0 kernel/locking/mutex.c:803 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1134 mutex_lock+0x113/0x1d0 kernel/locking/mutex.c:285 usb_audio_probe+0x39d/0x1d60 sound/usb/card.c:887 usb_probe_interface+0x6a9/0xc00 drivers/usb/core/driver.c:400 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2d8/0x890 drivers/base/dd.c:657 __driver_probe_device+0x198/0x280 drivers/base/dd.c:799 driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829 __device_attach_driver+0x2f1/0x4b0 drivers/base/dd.c:957 bus_for_each_drv+0x264/0x300 drivers/base/bus.c:459 __device_attach+0x2c9/0x3c0 drivers/base/dd.c:1029 device_initial_probe+0x1e/0x30 drivers/base/dd.c:1078 bus_probe_device+0x18b/0x270 drivers/base/bus.c:534 device_add+0x80c/0xbf0 drivers/base/core.c:3692 usb_set_configuration+0x1acf/0x20b0 drivers/usb/core/message.c:2268 usb_generic_driver_probe+0x95/0x160 drivers/usb/core/generic.c:254 usb_probe_device+0x1d1/0x380 drivers/usb/core/driver.c:295 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2d8/0x890 drivers/base/dd.c:657 __driver_probe_device+0x198/0x280 drivers/base/dd.c:799 driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829 __device_attach_driver+0x2f1/0x4b0 drivers/base/dd.c:957 bus_for_each_drv+0x264/0x300 drivers/base/bus.c:459 __device_attach+0x2c9/0x3c0 drivers/base/dd.c:1029 device_initial_probe+0x1e/0x30 drivers/base/dd.c:1078 bus_probe_device+0x18b/0x270 drivers/base/bus.c:534 device_add+0x80c/0xbf0 drivers/base/core.c:3692 usb_new_device+0x9f8/0x15b0 drivers/usb/core/hub.c:2703 hub_port_connect drivers/usb/core/hub.c:5574 [inline] hub_port_connect_change drivers/usb/core/hub.c:5714 [inline] port_event drivers/usb/core/hub.c:5878 [inline] hub_event+0x30c6/0x4700 drivers/usb/core/hub.c:5960 process_one_work kernel/workqueue.c:3261 [inline] process_scheduled_works+0x7d4/0x1020 kernel/workqueue.c:3342 worker_thread+0xc51/0x1370 kernel/workqueue.c:3423 kthread+0x2c9/0x370 kernel/kthread.c:389 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 2a773d25b07a50942adc40786a7b0622bdaa5377 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:94 dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120 dump_stack+0x19/0x20 lib/dump_stack.c:129 nmi_cpu_backtrace+0x2ba/0x2d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x142/0x2c0 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:41 trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:267 [inline] watchdog+0xdad/0xf00 kernel/hung_task.c:423 kthread+0x2c9/0x370 kernel/kthread.c:389 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 92 Comm: syslogd Not tainted syzkaller #0 2a773d25b07a50942adc40786a7b0622bdaa5377 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:__virt_addr_valid+0xc/0x380 arch/x86/mm/physaddr.c:48 Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc b8 b7 93 dd c9 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 41 56 <41> 54 53 48 89 fb e8 69 ad 41 00 48 bf ff ff ff 7f ff ff ff ff 48 RSP: 0018:ffffc900007ef760 EFLAGS: 00000293 RAX: ffffffff81e95cc4 RBX: 1ffff920000fdef4 RCX: ffff88810bb84c00 RDX: 0000000000000000 RSI: ffffffff876cb4e0 RDI: ffff8881282fe400 RBP: ffffc900007ef770 R08: ffff88810bb84c00 R09: 0000000000000002 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff8881282fe400 R15: 0000000000000046 FS: 00007f9dc9331c80(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb551dea2f8 CR3: 000000010c73e000 CR4: 00000000003526b0 Call Trace: check_heap_object mm/usercopy.c:191 [inline] __check_object_size+0x16c/0x830 mm/usercopy.c:257 check_object_size include/linux/thread_info.h:215 [inline] check_copy_size include/linux/thread_info.h:251 [inline] copy_to_iter include/linux/uio.h:210 [inline] simple_copy_to_iter net/core/datagram.c:524 [inline] __skb_datagram_iter+0xf4/0x930 net/core/datagram.c:401 skb_copy_datagram_iter+0x44/0x160 net/core/datagram.c:538 skb_copy_datagram_msg include/linux/skbuff.h:4146 [inline] __unix_dgram_recvmsg+0x6b5/0xe20 net/unix/af_unix.c:2491 unix_dgram_recvmsg+0xce/0xf0 net/unix/af_unix.c:2549 sock_recvmsg_nosec net/socket.c:1052 [inline] sock_recvmsg+0x18c/0x1e0 net/socket.c:1074 sock_read_iter+0x252/0x320 net/socket.c:1144 new_sync_read fs/read_write.c:489 [inline] vfs_read+0x657/0xcb0 fs/read_write.c:570 ksys_read+0x145/0x260 fs/read_write.c:713 __do_sys_read fs/read_write.c:723 [inline] __se_sys_read fs/read_write.c:721 [inline] __x64_sys_read+0x7f/0x90 fs/read_write.c:721 x64_sys_call+0x2638/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:47 [inline] do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f9dc9481407 Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff RSP: 002b:00007fffe80765f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f9dc9331c80 RCX: 00007f9dc9481407 RDX: 00000000000000ff RSI: 000055e5b79f2300 RDI: 0000000000000000 RBP: 000055e5b79f22c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000055e5b79f2348 R13: 0000000000000000 R14: 000055e5b79f2300 R15: 000055e58f7bcd98 final repro crashed as (corrupted=false): INFO: task kworker/0:1:10 blocked for more than 122 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:1 state:D stack:0 pid:10 tgid:10 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:6026 [inline] __schedule+0x1399/0x1fa0 kernel/sched/core.c:7880 __schedule_loop kernel/sched/core.c:7961 [inline] schedule+0xc5/0x240 kernel/sched/core.c:7976 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:8033 __mutex_lock_common kernel/locking/mutex.c:707 [inline] __mutex_lock+0x960/0x1bb0 kernel/locking/mutex.c:803 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1134 mutex_lock+0x113/0x1d0 kernel/locking/mutex.c:285 usb_audio_probe+0x39d/0x1d60 sound/usb/card.c:887 usb_probe_interface+0x6a9/0xc00 drivers/usb/core/driver.c:400 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2d8/0x890 drivers/base/dd.c:657 __driver_probe_device+0x198/0x280 drivers/base/dd.c:799 driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829 __device_attach_driver+0x2f1/0x4b0 drivers/base/dd.c:957 bus_for_each_drv+0x264/0x300 drivers/base/bus.c:459 __device_attach+0x2c9/0x3c0 drivers/base/dd.c:1029 device_initial_probe+0x1e/0x30 drivers/base/dd.c:1078 bus_probe_device+0x18b/0x270 drivers/base/bus.c:534 device_add+0x80c/0xbf0 drivers/base/core.c:3692 usb_set_configuration+0x1acf/0x20b0 drivers/usb/core/message.c:2268 usb_generic_driver_probe+0x95/0x160 drivers/usb/core/generic.c:254 usb_probe_device+0x1d1/0x380 drivers/usb/core/driver.c:295 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2d8/0x890 drivers/base/dd.c:657 __driver_probe_device+0x198/0x280 drivers/base/dd.c:799 driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829 __device_attach_driver+0x2f1/0x4b0 drivers/base/dd.c:957 bus_for_each_drv+0x264/0x300 drivers/base/bus.c:459 __device_attach+0x2c9/0x3c0 drivers/base/dd.c:1029 device_initial_probe+0x1e/0x30 drivers/base/dd.c:1078 bus_probe_device+0x18b/0x270 drivers/base/bus.c:534 device_add+0x80c/0xbf0 drivers/base/core.c:3692 usb_new_device+0x9f8/0x15b0 drivers/usb/core/hub.c:2703 hub_port_connect drivers/usb/core/hub.c:5574 [inline] hub_port_connect_change drivers/usb/core/hub.c:5714 [inline] port_event drivers/usb/core/hub.c:5878 [inline] hub_event+0x30c6/0x4700 drivers/usb/core/hub.c:5960 process_one_work kernel/workqueue.c:3261 [inline] process_scheduled_works+0x7d4/0x1020 kernel/workqueue.c:3342 worker_thread+0xc51/0x1370 kernel/workqueue.c:3423 kthread+0x2c9/0x370 kernel/kthread.c:389 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task kworker/1:0:31 blocked for more than 123 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:0 pid:31 tgid:31 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:6026 [inline] __schedule+0x1399/0x1fa0 kernel/sched/core.c:7880 __schedule_loop kernel/sched/core.c:7961 [inline] schedule+0xc5/0x240 kernel/sched/core.c:7976 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:8033 __mutex_lock_common kernel/locking/mutex.c:707 [inline] __mutex_lock+0x960/0x1bb0 kernel/locking/mutex.c:803 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1134 mutex_lock+0x113/0x1d0 kernel/locking/mutex.c:285 usb_audio_probe+0x39d/0x1d60 sound/usb/card.c:887 usb_probe_interface+0x6a9/0xc00 drivers/usb/core/driver.c:400 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2d8/0x890 drivers/base/dd.c:657 __driver_probe_device+0x198/0x280 drivers/base/dd.c:799 driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829 __device_attach_driver+0x2f1/0x4b0 drivers/base/dd.c:957 bus_for_each_drv+0x264/0x300 drivers/base/bus.c:459 __device_attach+0x2c9/0x3c0 drivers/base/dd.c:1029 device_initial_probe+0x1e/0x30 drivers/base/dd.c:1078 bus_probe_device+0x18b/0x270 drivers/base/bus.c:534 device_add+0x80c/0xbf0 drivers/base/core.c:3692 usb_set_configuration+0x1acf/0x20b0 drivers/usb/core/message.c:2268 usb_generic_driver_probe+0x95/0x160 drivers/usb/core/generic.c:254 usb_probe_device+0x1d1/0x380 drivers/usb/core/driver.c:295 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2d8/0x890 drivers/base/dd.c:657 __driver_probe_device+0x198/0x280 drivers/base/dd.c:799 driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829 __device_attach_driver+0x2f1/0x4b0 drivers/base/dd.c:957 bus_for_each_drv+0x264/0x300 drivers/base/bus.c:459 __device_attach+0x2c9/0x3c0 drivers/base/dd.c:1029 device_initial_probe+0x1e/0x30 drivers/base/dd.c:1078 bus_probe_device+0x18b/0x270 drivers/base/bus.c:534 device_add+0x80c/0xbf0 drivers/base/core.c:3692 usb_new_device+0x9f8/0x15b0 drivers/usb/core/hub.c:2703 hub_port_connect drivers/usb/core/hub.c:5574 [inline] hub_port_connect_change drivers/usb/core/hub.c:5714 [inline] port_event drivers/usb/core/hub.c:5878 [inline] hub_event+0x30c6/0x4700 drivers/usb/core/hub.c:5960 process_one_work kernel/workqueue.c:3261 [inline] process_scheduled_works+0x7d4/0x1020 kernel/workqueue.c:3342 worker_thread+0xc51/0x1370 kernel/workqueue.c:3423 kthread+0x2c9/0x370 kernel/kthread.c:389 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task kworker/1:3:400 blocked for more than 123 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:3 state:D stack:0 pid:400 tgid:400 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:6026 [inline] __schedule+0x1399/0x1fa0 kernel/sched/core.c:7880 __schedule_loop kernel/sched/core.c:7961 [inline] schedule+0xc5/0x240 kernel/sched/core.c:7976 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:8033 __mutex_lock_common kernel/locking/mutex.c:707 [inline] __mutex_lock+0x960/0x1bb0 kernel/locking/mutex.c:803 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1134 mutex_lock+0x113/0x1d0 kernel/locking/mutex.c:285 usb_audio_probe+0x39d/0x1d60 sound/usb/card.c:887 usb_probe_interface+0x6a9/0xc00 drivers/usb/core/driver.c:400 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2d8/0x890 drivers/base/dd.c:657 __driver_probe_device+0x198/0x280 drivers/base/dd.c:799 driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829 __device_attach_driver+0x2f1/0x4b0 drivers/base/dd.c:957 bus_for_each_drv+0x264/0x300 drivers/base/bus.c:459 __device_attach+0x2c9/0x3c0 drivers/base/dd.c:1029 device_initial_probe+0x1e/0x30 drivers/base/dd.c:1078 bus_probe_device+0x18b/0x270 drivers/base/bus.c:534 device_add+0x80c/0xbf0 drivers/base/core.c:3692 usb_set_configuration+0x1acf/0x20b0 drivers/usb/core/message.c:2268 usb_generic_driver_probe+0x95/0x160 drivers/usb/core/generic.c:254 usb_probe_device+0x1d1/0x380 drivers/usb/core/driver.c:295 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2d8/0x890 drivers/base/dd.c:657 __driver_probe_device+0x198/0x280 drivers/base/dd.c:799 driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829 __device_attach_driver+0x2f1/0x4b0 drivers/base/dd.c:957 bus_for_each_drv+0x264/0x300 drivers/base/bus.c:459 __device_attach+0x2c9/0x3c0 drivers/base/dd.c:1029 device_initial_probe+0x1e/0x30 drivers/base/dd.c:1078 bus_probe_device+0x18b/0x270 drivers/base/bus.c:534 device_add+0x80c/0xbf0 drivers/base/core.c:3692 usb_new_device+0x9f8/0x15b0 drivers/usb/core/hub.c:2703 hub_port_connect drivers/usb/core/hub.c:5574 [inline] hub_port_connect_change drivers/usb/core/hub.c:5714 [inline] port_event drivers/usb/core/hub.c:5878 [inline] hub_event+0x30c6/0x4700 drivers/usb/core/hub.c:5960 process_one_work kernel/workqueue.c:3261 [inline] process_scheduled_works+0x7d4/0x1020 kernel/workqueue.c:3342 worker_thread+0xc51/0x1370 kernel/workqueue.c:3423 kthread+0x2c9/0x370 kernel/kthread.c:389 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 2a773d25b07a50942adc40786a7b0622bdaa5377 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:94 dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120 dump_stack+0x19/0x20 lib/dump_stack.c:129 nmi_cpu_backtrace+0x2ba/0x2d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x142/0x2c0 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:41 trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:267 [inline] watchdog+0xdad/0xf00 kernel/hung_task.c:423 kthread+0x2c9/0x370 kernel/kthread.c:389 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 92 Comm: syslogd Not tainted syzkaller #0 2a773d25b07a50942adc40786a7b0622bdaa5377 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:__virt_addr_valid+0xc/0x380 arch/x86/mm/physaddr.c:48 Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc b8 b7 93 dd c9 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 41 56 <41> 54 53 48 89 fb e8 69 ad 41 00 48 bf ff ff ff 7f ff ff ff ff 48 RSP: 0018:ffffc900007ef760 EFLAGS: 00000293 RAX: ffffffff81e95cc4 RBX: 1ffff920000fdef4 RCX: ffff88810bb84c00 RDX: 0000000000000000 RSI: ffffffff876cb4e0 RDI: ffff8881282fe400 RBP: ffffc900007ef770 R08: ffff88810bb84c00 R09: 0000000000000002 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff8881282fe400 R15: 0000000000000046 FS: 00007f9dc9331c80(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb551dea2f8 CR3: 000000010c73e000 CR4: 00000000003526b0 Call Trace: check_heap_object mm/usercopy.c:191 [inline] __check_object_size+0x16c/0x830 mm/usercopy.c:257 check_object_size include/linux/thread_info.h:215 [inline] check_copy_size include/linux/thread_info.h:251 [inline] copy_to_iter include/linux/uio.h:210 [inline] simple_copy_to_iter net/core/datagram.c:524 [inline] __skb_datagram_iter+0xf4/0x930 net/core/datagram.c:401 skb_copy_datagram_iter+0x44/0x160 net/core/datagram.c:538 skb_copy_datagram_msg include/linux/skbuff.h:4146 [inline] __unix_dgram_recvmsg+0x6b5/0xe20 net/unix/af_unix.c:2491 unix_dgram_recvmsg+0xce/0xf0 net/unix/af_unix.c:2549 sock_recvmsg_nosec net/socket.c:1052 [inline] sock_recvmsg+0x18c/0x1e0 net/socket.c:1074 sock_read_iter+0x252/0x320 net/socket.c:1144 new_sync_read fs/read_write.c:489 [inline] vfs_read+0x657/0xcb0 fs/read_write.c:570 ksys_read+0x145/0x260 fs/read_write.c:713 __do_sys_read fs/read_write.c:723 [inline] __se_sys_read fs/read_write.c:721 [inline] __x64_sys_read+0x7f/0x90 fs/read_write.c:721 x64_sys_call+0x2638/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:47 [inline] do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f9dc9481407 Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff RSP: 002b:00007fffe80765f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f9dc9331c80 RCX: 00007f9dc9481407 RDX: 00000000000000ff RSI: 000055e5b79f2300 RDI: 0000000000000000 RBP: 000055e5b79f22c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000055e5b79f2348 R13: 0000000000000000 R14: 000055e5b79f2300 R15: 000055e58f7bcd98