Extracting prog: 3m37.077593133s Minimizing prog: 2h13m56.774749203s Simplifying prog options: 0s Extracting C: 2m44.337803391s Simplifying C: 18m17.234829576s 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$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000340)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$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, &(0x7f0000000340)={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, &(0x7f0000000340)={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, &(0x7f0000000340)={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$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000340)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_connect$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$uac3(0xffffffffffffffff, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000340)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$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$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000340)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$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$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000340)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$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$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000340)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$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$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000340)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$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$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000340)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$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$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000340)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect$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$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000340)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$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$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000340)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$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$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000340)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$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$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000340)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$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$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000340)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$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$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000340)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$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$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000340)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$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$uac3(r0, &(0x7f0000000000)={0x14, 0x0, &(0x7f0000000340)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000580)={0x2c, &(0x7f0000000240)={0x40, 0xe, 0x2, {0x2, 0x8}}, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_connect$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, &(0x7f0000000340)={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, &(0x7f0000000340)={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, &(0x7f0000000340)={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 2h47m34.114773251s repro crashed as (corrupted=false): INFO: task kworker/0:0:9 blocked for more than 122 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:0 state:D stack:0 pid:9 tgid:9 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:6026 [inline] __schedule+0x14ce/0x2100 kernel/sched/core.c:7893 __schedule_loop kernel/sched/core.c:7974 [inline] schedule+0xc5/0x240 kernel/sched/core.c:7989 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:8046 __mutex_lock_common kernel/locking/mutex.c:707 [inline] __mutex_lock+0x960/0x1bc0 kernel/locking/mutex.c:805 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1136 mutex_lock+0x113/0x1d0 kernel/locking/mutex.c:285 usb_audio_probe+0x39d/0x1d60 sound/usb/card.c:887 usb_probe_interface+0x6ac/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/1:2:65 blocked for more than 123 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:2 state:D stack:0 pid:65 tgid:65 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:6026 [inline] __schedule+0x14ce/0x2100 kernel/sched/core.c:7893 __schedule_loop kernel/sched/core.c:7974 [inline] schedule+0xc5/0x240 kernel/sched/core.c:7989 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:8046 __mutex_lock_common kernel/locking/mutex.c:707 [inline] __mutex_lock+0x960/0x1bc0 kernel/locking/mutex.c:805 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1136 mutex_lock+0x113/0x1d0 kernel/locking/mutex.c:285 usb_audio_probe+0x39d/0x1d60 sound/usb/card.c:887 usb_probe_interface+0x6ac/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/0:3:404 blocked for more than 123 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:3 state:D stack:0 pid:404 tgid:404 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:6026 [inline] __schedule+0x14ce/0x2100 kernel/sched/core.c:7893 __schedule_loop kernel/sched/core.c:7974 [inline] schedule+0xc5/0x240 kernel/sched/core.c:7989 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:8046 __mutex_lock_common kernel/locking/mutex.c:707 [inline] __mutex_lock+0x960/0x1bc0 kernel/locking/mutex.c:805 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1136 mutex_lock+0x113/0x1d0 kernel/locking/mutex.c:285 usb_audio_probe+0x39d/0x1d60 sound/usb/card.c:887 usb_probe_interface+0x6ac/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 d58365df94cd5f4886b4f3ec3f08a458f2157066 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: 45 Comm: kworker/1:1 Not tainted syzkaller #0 d58365df94cd5f4886b4f3ec3f08a458f2157066 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 Workqueue: usb_hub_wq hub_event RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x86/0x90 kernel/kcov.c:302 Code: 8d 52 28 4d 39 ca 77 22 89 ff 89 f6 49 ff c0 4c 89 01 48 c7 44 11 08 01 00 00 00 48 89 7c 11 10 48 89 74 11 18 48 89 44 11 20 <5d> c3 cc cc cc cc cc 0f 1f 00 b8 95 6e a9 bc 90 90 90 90 90 90 90 RSP: 0018:ffffc900002eec30 EFLAGS: 00000293 RAX: ffffffff846c1d76 RBX: 00000000000006f5 RCX: 0000000000000000 RDX: ffff888107a7a600 RSI: 0000000000000000 RDI: 0000000000000020 RBP: ffffc900002eec30 R08: ffff888107a7a600 R09: 0000000000000020 R10: 00000000000000bc R11: 0000000000000000 R12: 0000000000000006 R13: ffff88811969410d R14: 00000000000006f5 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f880db85fc0 CR3: 000000011451a000 CR4: 00000000003526b0 Call Trace: convert_chmap_v3 sound/usb/stream.c:359 [inline] snd_usb_get_audioformat_uac3 sound/usb/stream.c:1033 [inline] __snd_usb_parse_audio_interface+0x24e6/0x47d0 sound/usb/stream.c:1208 snd_usb_parse_audio_interface+0x3e/0xd0 sound/usb/stream.c:1280 snd_usb_create_stream+0x3df/0x540 sound/usb/card.c:279 snd_usb_create_streams sound/usb/card.c:400 [inline] usb_audio_probe+0x1319/0x1d60 sound/usb/card.c:967 usb_probe_interface+0x6ac/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 final repro crashed as (corrupted=false): INFO: task kworker/0:0:9 blocked for more than 122 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:0 state:D stack:0 pid:9 tgid:9 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:6026 [inline] __schedule+0x14ce/0x2100 kernel/sched/core.c:7893 __schedule_loop kernel/sched/core.c:7974 [inline] schedule+0xc5/0x240 kernel/sched/core.c:7989 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:8046 __mutex_lock_common kernel/locking/mutex.c:707 [inline] __mutex_lock+0x960/0x1bc0 kernel/locking/mutex.c:805 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1136 mutex_lock+0x113/0x1d0 kernel/locking/mutex.c:285 usb_audio_probe+0x39d/0x1d60 sound/usb/card.c:887 usb_probe_interface+0x6ac/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/1:2:65 blocked for more than 123 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:2 state:D stack:0 pid:65 tgid:65 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:6026 [inline] __schedule+0x14ce/0x2100 kernel/sched/core.c:7893 __schedule_loop kernel/sched/core.c:7974 [inline] schedule+0xc5/0x240 kernel/sched/core.c:7989 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:8046 __mutex_lock_common kernel/locking/mutex.c:707 [inline] __mutex_lock+0x960/0x1bc0 kernel/locking/mutex.c:805 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1136 mutex_lock+0x113/0x1d0 kernel/locking/mutex.c:285 usb_audio_probe+0x39d/0x1d60 sound/usb/card.c:887 usb_probe_interface+0x6ac/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/0:3:404 blocked for more than 123 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:3 state:D stack:0 pid:404 tgid:404 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:6026 [inline] __schedule+0x14ce/0x2100 kernel/sched/core.c:7893 __schedule_loop kernel/sched/core.c:7974 [inline] schedule+0xc5/0x240 kernel/sched/core.c:7989 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:8046 __mutex_lock_common kernel/locking/mutex.c:707 [inline] __mutex_lock+0x960/0x1bc0 kernel/locking/mutex.c:805 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1136 mutex_lock+0x113/0x1d0 kernel/locking/mutex.c:285 usb_audio_probe+0x39d/0x1d60 sound/usb/card.c:887 usb_probe_interface+0x6ac/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 d58365df94cd5f4886b4f3ec3f08a458f2157066 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: 45 Comm: kworker/1:1 Not tainted syzkaller #0 d58365df94cd5f4886b4f3ec3f08a458f2157066 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 Workqueue: usb_hub_wq hub_event RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x86/0x90 kernel/kcov.c:302 Code: 8d 52 28 4d 39 ca 77 22 89 ff 89 f6 49 ff c0 4c 89 01 48 c7 44 11 08 01 00 00 00 48 89 7c 11 10 48 89 74 11 18 48 89 44 11 20 <5d> c3 cc cc cc cc cc 0f 1f 00 b8 95 6e a9 bc 90 90 90 90 90 90 90 RSP: 0018:ffffc900002eec30 EFLAGS: 00000293 RAX: ffffffff846c1d76 RBX: 00000000000006f5 RCX: 0000000000000000 RDX: ffff888107a7a600 RSI: 0000000000000000 RDI: 0000000000000020 RBP: ffffc900002eec30 R08: ffff888107a7a600 R09: 0000000000000020 R10: 00000000000000bc R11: 0000000000000000 R12: 0000000000000006 R13: ffff88811969410d R14: 00000000000006f5 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f880db85fc0 CR3: 000000011451a000 CR4: 00000000003526b0 Call Trace: convert_chmap_v3 sound/usb/stream.c:359 [inline] snd_usb_get_audioformat_uac3 sound/usb/stream.c:1033 [inline] __snd_usb_parse_audio_interface+0x24e6/0x47d0 sound/usb/stream.c:1208 snd_usb_parse_audio_interface+0x3e/0xd0 sound/usb/stream.c:1280 snd_usb_create_stream+0x3df/0x540 sound/usb/card.c:279 snd_usb_create_streams sound/usb/card.c:400 [inline] usb_audio_probe+0x1319/0x1d60 sound/usb/card.c:967 usb_probe_interface+0x6ac/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