Extracting prog: 3m30.648905657s Minimizing prog: 1h25m44.196035114s Simplifying prog options: 0s Extracting C: 2m44.655527294s Simplifying C: 18m19.137119477s 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_connect$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io-syz_usb_control_io$uac2 detailed listing: executing program 0: r0 = syz_usb_connect$uac2(0x3, 0xa5, &(0x7f0000000280)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x40, 0x582, 0x4c, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x93, 0x3, 0x1, 0x5, 0x30, 0x9, {0x8, 0xb, 0x0, 0x1, 0x1, 0x7, 0x20, 0x8c}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x20, 0x0, {{0x9, 0x24, 0x1, 0x4000, 0x4, 0x1d, 0x7}, [@source_unit={0x8, 0x24, 0xa, 0x0, 0x4, 0xff, 0x23}, @output_terminal={0xc, 0x24, 0x3, 0x2, 0x307, 0x0, 0x4, 0x0, 0x7, 0x81}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x200, 0x3, 0xb, 0x4, {0x8, 0x25, 0x1, 0x0, 0x0, 0x40, 0x4}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {[@format_type_i_descriptor={0x6, 0x24, 0x2, 0x1, 0x1, 0x9}, @as_header={0x10, 0x24, 0x1, 0x2, 0x1, 0x0, 0x4, 0x8, 0xb8, 0x3}]}, {{0x9, 0x5, 0x82, 0x9, 0x8, 0x41, 0x6, 0x3, {0x8, 0x25, 0x1, 0x82, 0x3, 0xf3, 0x6}}}}}}}}]}}, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, &(0x7f0000000700)={0x2c, 0x0, &(0x7f00000005c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x44a}}, 0x0, 0x0, 0x0}, 0x0) syz_usb_control_io$uac2(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000008c0)={0x84, &(0x7f0000000380)={0x0, 0x8, 0x2, "ab61"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac2(r0, 0x0, &(0x7f0000000500)={0x44, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program crashed: INFO: task hung in usb_audio_probe single: successfully extracted reproducer found reproducer with 5 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_connect$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io detailed listing: executing program 0: r0 = syz_usb_connect$uac2(0x3, 0xa5, &(0x7f0000000280)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x40, 0x582, 0x4c, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x93, 0x3, 0x1, 0x5, 0x30, 0x9, {0x8, 0xb, 0x0, 0x1, 0x1, 0x7, 0x20, 0x8c}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x20, 0x0, {{0x9, 0x24, 0x1, 0x4000, 0x4, 0x1d, 0x7}, [@source_unit={0x8, 0x24, 0xa, 0x0, 0x4, 0xff, 0x23}, @output_terminal={0xc, 0x24, 0x3, 0x2, 0x307, 0x0, 0x4, 0x0, 0x7, 0x81}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x200, 0x3, 0xb, 0x4, {0x8, 0x25, 0x1, 0x0, 0x0, 0x40, 0x4}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {[@format_type_i_descriptor={0x6, 0x24, 0x2, 0x1, 0x1, 0x9}, @as_header={0x10, 0x24, 0x1, 0x2, 0x1, 0x0, 0x4, 0x8, 0xb8, 0x3}]}, {{0x9, 0x5, 0x82, 0x9, 0x8, 0x41, 0x6, 0x3, {0x8, 0x25, 0x1, 0x82, 0x3, 0xf3, 0x6}}}}}}}}]}}, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, &(0x7f0000000700)={0x2c, 0x0, &(0x7f00000005c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x44a}}, 0x0, 0x0, 0x0}, 0x0) syz_usb_control_io$uac2(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000008c0)={0x84, &(0x7f0000000380)={0x0, 0x8, 0x2, "ab61"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io$uac2 detailed listing: executing program 0: r0 = syz_usb_connect$uac2(0x3, 0xa5, &(0x7f0000000280)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x40, 0x582, 0x4c, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x93, 0x3, 0x1, 0x5, 0x30, 0x9, {0x8, 0xb, 0x0, 0x1, 0x1, 0x7, 0x20, 0x8c}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x20, 0x0, {{0x9, 0x24, 0x1, 0x4000, 0x4, 0x1d, 0x7}, [@source_unit={0x8, 0x24, 0xa, 0x0, 0x4, 0xff, 0x23}, @output_terminal={0xc, 0x24, 0x3, 0x2, 0x307, 0x0, 0x4, 0x0, 0x7, 0x81}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x200, 0x3, 0xb, 0x4, {0x8, 0x25, 0x1, 0x0, 0x0, 0x40, 0x4}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {[@format_type_i_descriptor={0x6, 0x24, 0x2, 0x1, 0x1, 0x9}, @as_header={0x10, 0x24, 0x1, 0x2, 0x1, 0x0, 0x4, 0x8, 0xb8, 0x3}]}, {{0x9, 0x5, 0x82, 0x9, 0x8, 0x41, 0x6, 0x3, {0x8, 0x25, 0x1, 0x82, 0x3, 0xf3, 0x6}}}}}}}}]}}, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, &(0x7f0000000700)={0x2c, 0x0, &(0x7f00000005c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x44a}}, 0x0, 0x0, 0x0}, 0x0) syz_usb_control_io$uac2(r0, 0x0, 0x0) syz_usb_control_io$uac2(r0, 0x0, &(0x7f0000000500)={0x44, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 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$uac2-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$uac2 detailed listing: executing program 0: r0 = syz_usb_connect$uac2(0x3, 0xa5, &(0x7f0000000280)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x40, 0x582, 0x4c, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x93, 0x3, 0x1, 0x5, 0x30, 0x9, {0x8, 0xb, 0x0, 0x1, 0x1, 0x7, 0x20, 0x8c}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x20, 0x0, {{0x9, 0x24, 0x1, 0x4000, 0x4, 0x1d, 0x7}, [@source_unit={0x8, 0x24, 0xa, 0x0, 0x4, 0xff, 0x23}, @output_terminal={0xc, 0x24, 0x3, 0x2, 0x307, 0x0, 0x4, 0x0, 0x7, 0x81}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x200, 0x3, 0xb, 0x4, {0x8, 0x25, 0x1, 0x0, 0x0, 0x40, 0x4}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {[@format_type_i_descriptor={0x6, 0x24, 0x2, 0x1, 0x1, 0x9}, @as_header={0x10, 0x24, 0x1, 0x2, 0x1, 0x0, 0x4, 0x8, 0xb8, 0x3}]}, {{0x9, 0x5, 0x82, 0x9, 0x8, 0x41, 0x6, 0x3, {0x8, 0x25, 0x1, 0x82, 0x3, 0xf3, 0x6}}}}}}}}]}}, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, &(0x7f0000000700)={0x2c, 0x0, &(0x7f00000005c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x44a}}, 0x0, 0x0, 0x0}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000008c0)={0x84, &(0x7f0000000380)={0x0, 0x8, 0x2, "ab61"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac2(r0, 0x0, &(0x7f0000000500)={0x44, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs: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$uac2-syz_usb_control_io$uac2-syz_usb_control_io-syz_usb_control_io$uac2 detailed listing: executing program 0: r0 = syz_usb_connect$uac2(0x3, 0xa5, &(0x7f0000000280)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x40, 0x582, 0x4c, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x93, 0x3, 0x1, 0x5, 0x30, 0x9, {0x8, 0xb, 0x0, 0x1, 0x1, 0x7, 0x20, 0x8c}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x20, 0x0, {{0x9, 0x24, 0x1, 0x4000, 0x4, 0x1d, 0x7}, [@source_unit={0x8, 0x24, 0xa, 0x0, 0x4, 0xff, 0x23}, @output_terminal={0xc, 0x24, 0x3, 0x2, 0x307, 0x0, 0x4, 0x0, 0x7, 0x81}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x200, 0x3, 0xb, 0x4, {0x8, 0x25, 0x1, 0x0, 0x0, 0x40, 0x4}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {[@format_type_i_descriptor={0x6, 0x24, 0x2, 0x1, 0x1, 0x9}, @as_header={0x10, 0x24, 0x1, 0x2, 0x1, 0x0, 0x4, 0x8, 0xb8, 0x3}]}, {{0x9, 0x5, 0x82, 0x9, 0x8, 0x41, 0x6, 0x3, {0x8, 0x25, 0x1, 0x82, 0x3, 0xf3, 0x6}}}}}}}}]}}, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac2(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000008c0)={0x84, &(0x7f0000000380)={0x0, 0x8, 0x2, "ab61"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac2(r0, 0x0, &(0x7f0000000500)={0x44, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 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$uac2-syz_usb_control_io-syz_usb_control_io$uac2 detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000700)={0x2c, 0x0, &(0x7f00000005c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x44a}}, 0x0, 0x0, 0x0}, 0x0) syz_usb_control_io$uac2(0xffffffffffffffff, 0x0, 0x0) syz_usb_control_io(0xffffffffffffffff, 0x0, &(0x7f00000008c0)={0x84, &(0x7f0000000380)={0x0, 0x8, 0x2, "ab61"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac2(0xffffffffffffffff, 0x0, &(0x7f0000000500)={0x44, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 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$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io-syz_usb_control_io$uac2 detailed listing: executing program 0: r0 = syz_usb_connect$uac2(0x3, 0x0, 0x0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, &(0x7f0000000700)={0x2c, 0x0, &(0x7f00000005c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x44a}}, 0x0, 0x0, 0x0}, 0x0) syz_usb_control_io$uac2(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000008c0)={0x84, &(0x7f0000000380)={0x0, 0x8, 0x2, "ab61"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac2(r0, 0x0, &(0x7f0000000500)={0x44, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 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$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io-syz_usb_control_io$uac2 detailed listing: executing program 0: r0 = syz_usb_connect$uac2(0x3, 0xa5, &(0x7f0000000280)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x40, 0x582, 0x4c, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x93, 0x3, 0x1, 0x5, 0x30, 0x9, {0x8, 0xb, 0x0, 0x1, 0x1, 0x7, 0x20, 0x8c}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x20, 0x0, {{0x9, 0x24, 0x1, 0x4000, 0x4, 0x1d, 0x7}, [@source_unit={0x8, 0x24, 0xa, 0x0, 0x4, 0xff, 0x23}, @output_terminal={0xc, 0x24, 0x3, 0x2, 0x307, 0x0, 0x4, 0x0, 0x7, 0x81}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x200, 0x3, 0xb, 0x4, {0x8, 0x25, 0x1, 0x0, 0x0, 0x40, 0x4}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {[@format_type_i_descriptor={0x6, 0x24, 0x2, 0x1, 0x1, 0x9}, @as_header={0x10, 0x24, 0x1, 0x2, 0x1, 0x0, 0x4, 0x8, 0xb8, 0x3}]}, {{0x9, 0x5, 0x82, 0x9, 0x8, 0x41, 0x6, 0x3, {0x8, 0x25, 0x1, 0x82, 0x3, 0xf3, 0x6}}}}}}}}]}}, 0x0) syz_usb_control_io(r0, &(0x7f0000000700)={0x2c, 0x0, &(0x7f00000005c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x44a}}, 0x0, 0x0, 0x0}, 0x0) syz_usb_control_io$uac2(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000008c0)={0x84, &(0x7f0000000380)={0x0, 0x8, 0x2, "ab61"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac2(r0, 0x0, &(0x7f0000000500)={0x44, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 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$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io-syz_usb_control_io$uac2 detailed listing: executing program 0: r0 = syz_usb_connect$uac2(0x3, 0xa5, &(0x7f0000000280)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x40, 0x582, 0x4c, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x93, 0x3, 0x1, 0x5, 0x30, 0x9, {0x8, 0xb, 0x0, 0x1, 0x1, 0x7, 0x20, 0x8c}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x20, 0x0, {{0x9, 0x24, 0x1, 0x4000, 0x4, 0x1d, 0x7}, [@source_unit={0x8, 0x24, 0xa, 0x0, 0x4, 0xff, 0x23}, @output_terminal={0xc, 0x24, 0x3, 0x2, 0x307, 0x0, 0x4, 0x0, 0x7, 0x81}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x200, 0x3, 0xb, 0x4, {0x8, 0x25, 0x1, 0x0, 0x0, 0x40, 0x4}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {[@format_type_i_descriptor={0x6, 0x24, 0x2, 0x1, 0x1, 0x9}, @as_header={0x10, 0x24, 0x1, 0x2, 0x1, 0x0, 0x4, 0x8, 0xb8, 0x3}]}, {{0x9, 0x5, 0x82, 0x9, 0x8, 0x41, 0x6, 0x3, {0x8, 0x25, 0x1, 0x82, 0x3, 0xf3, 0x6}}}}}}}}]}}, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$uac2(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000008c0)={0x84, &(0x7f0000000380)={0x0, 0x8, 0x2, "ab61"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac2(r0, 0x0, &(0x7f0000000500)={0x44, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 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$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io-syz_usb_control_io$uac2 detailed listing: executing program 0: r0 = syz_usb_connect$uac2(0x3, 0xa5, &(0x7f0000000280)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x40, 0x582, 0x4c, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x93, 0x3, 0x1, 0x5, 0x30, 0x9, {0x8, 0xb, 0x0, 0x1, 0x1, 0x7, 0x20, 0x8c}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x20, 0x0, {{0x9, 0x24, 0x1, 0x4000, 0x4, 0x1d, 0x7}, [@source_unit={0x8, 0x24, 0xa, 0x0, 0x4, 0xff, 0x23}, @output_terminal={0xc, 0x24, 0x3, 0x2, 0x307, 0x0, 0x4, 0x0, 0x7, 0x81}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x200, 0x3, 0xb, 0x4, {0x8, 0x25, 0x1, 0x0, 0x0, 0x40, 0x4}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {[@format_type_i_descriptor={0x6, 0x24, 0x2, 0x1, 0x1, 0x9}, @as_header={0x10, 0x24, 0x1, 0x2, 0x1, 0x0, 0x4, 0x8, 0xb8, 0x3}]}, {{0x9, 0x5, 0x82, 0x9, 0x8, 0x41, 0x6, 0x3, {0x8, 0x25, 0x1, 0x82, 0x3, 0xf3, 0x6}}}}}}}}]}}, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, &(0x7f0000000700)={0x2c, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_control_io$uac2(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000008c0)={0x84, &(0x7f0000000380)={0x0, 0x8, 0x2, "ab61"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac2(r0, 0x0, &(0x7f0000000500)={0x44, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 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$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io-syz_usb_control_io$uac2 detailed listing: executing program 0: r0 = syz_usb_connect$uac2(0x3, 0xa5, &(0x7f0000000280)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x40, 0x582, 0x4c, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x93, 0x3, 0x1, 0x5, 0x30, 0x9, {0x8, 0xb, 0x0, 0x1, 0x1, 0x7, 0x20, 0x8c}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x20, 0x0, {{0x9, 0x24, 0x1, 0x4000, 0x4, 0x1d, 0x7}, [@source_unit={0x8, 0x24, 0xa, 0x0, 0x4, 0xff, 0x23}, @output_terminal={0xc, 0x24, 0x3, 0x2, 0x307, 0x0, 0x4, 0x0, 0x7, 0x81}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x200, 0x3, 0xb, 0x4, {0x8, 0x25, 0x1, 0x0, 0x0, 0x40, 0x4}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {[@format_type_i_descriptor={0x6, 0x24, 0x2, 0x1, 0x1, 0x9}, @as_header={0x10, 0x24, 0x1, 0x2, 0x1, 0x0, 0x4, 0x8, 0xb8, 0x3}]}, {{0x9, 0x5, 0x82, 0x9, 0x8, 0x41, 0x6, 0x3, {0x8, 0x25, 0x1, 0x82, 0x3, 0xf3, 0x6}}}}}}}}]}}, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, &(0x7f0000000700)={0x2c, 0x0, &(0x7f00000005c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x44a}}, 0x0, 0x0, 0x0}, 0x0) syz_usb_control_io$uac2(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$uac2(r0, 0x0, &(0x7f0000000500)={0x44, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 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$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io-syz_usb_control_io$uac2 detailed listing: executing program 0: r0 = syz_usb_connect$uac2(0x3, 0xa5, &(0x7f0000000280)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x40, 0x582, 0x4c, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x93, 0x3, 0x1, 0x5, 0x30, 0x9, {0x8, 0xb, 0x0, 0x1, 0x1, 0x7, 0x20, 0x8c}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x20, 0x0, {{0x9, 0x24, 0x1, 0x4000, 0x4, 0x1d, 0x7}, [@source_unit={0x8, 0x24, 0xa, 0x0, 0x4, 0xff, 0x23}, @output_terminal={0xc, 0x24, 0x3, 0x2, 0x307, 0x0, 0x4, 0x0, 0x7, 0x81}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x200, 0x3, 0xb, 0x4, {0x8, 0x25, 0x1, 0x0, 0x0, 0x40, 0x4}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {[@format_type_i_descriptor={0x6, 0x24, 0x2, 0x1, 0x1, 0x9}, @as_header={0x10, 0x24, 0x1, 0x2, 0x1, 0x0, 0x4, 0x8, 0xb8, 0x3}]}, {{0x9, 0x5, 0x82, 0x9, 0x8, 0x41, 0x6, 0x3, {0x8, 0x25, 0x1, 0x82, 0x3, 0xf3, 0x6}}}}}}}}]}}, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, &(0x7f0000000700)={0x2c, 0x0, &(0x7f00000005c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x44a}}, 0x0, 0x0, 0x0}, 0x0) syz_usb_control_io$uac2(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000008c0)={0x84, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac2(r0, 0x0, &(0x7f0000000500)={0x44, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 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$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io-syz_usb_control_io$uac2 detailed listing: executing program 0: r0 = syz_usb_connect$uac2(0x3, 0xa5, &(0x7f0000000280)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x40, 0x582, 0x4c, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x93, 0x3, 0x1, 0x5, 0x30, 0x9, {0x8, 0xb, 0x0, 0x1, 0x1, 0x7, 0x20, 0x8c}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x20, 0x0, {{0x9, 0x24, 0x1, 0x4000, 0x4, 0x1d, 0x7}, [@source_unit={0x8, 0x24, 0xa, 0x0, 0x4, 0xff, 0x23}, @output_terminal={0xc, 0x24, 0x3, 0x2, 0x307, 0x0, 0x4, 0x0, 0x7, 0x81}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x200, 0x3, 0xb, 0x4, {0x8, 0x25, 0x1, 0x0, 0x0, 0x40, 0x4}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {[@format_type_i_descriptor={0x6, 0x24, 0x2, 0x1, 0x1, 0x9}, @as_header={0x10, 0x24, 0x1, 0x2, 0x1, 0x0, 0x4, 0x8, 0xb8, 0x3}]}, {{0x9, 0x5, 0x82, 0x9, 0x8, 0x41, 0x6, 0x3, {0x8, 0x25, 0x1, 0x82, 0x3, 0xf3, 0x6}}}}}}}}]}}, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, &(0x7f0000000700)={0x2c, 0x0, &(0x7f00000005c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x44a}}, 0x0, 0x0, 0x0}, 0x0) syz_usb_control_io$uac2(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000008c0)={0x84, &(0x7f0000000380)={0x0, 0x8}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac2(r0, 0x0, &(0x7f0000000500)={0x44, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 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$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io-syz_usb_control_io$uac2 detailed listing: executing program 0: r0 = syz_usb_connect$uac2(0x3, 0xa5, &(0x7f0000000280)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x40, 0x582, 0x4c, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x93, 0x3, 0x1, 0x5, 0x30, 0x9, {0x8, 0xb, 0x0, 0x1, 0x1, 0x7, 0x20, 0x8c}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x20, 0x0, {{0x9, 0x24, 0x1, 0x4000, 0x4, 0x1d, 0x7}, [@source_unit={0x8, 0x24, 0xa, 0x0, 0x4, 0xff, 0x23}, @output_terminal={0xc, 0x24, 0x3, 0x2, 0x307, 0x0, 0x4, 0x0, 0x7, 0x81}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x200, 0x3, 0xb, 0x4, {0x8, 0x25, 0x1, 0x0, 0x0, 0x40, 0x4}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {[@format_type_i_descriptor={0x6, 0x24, 0x2, 0x1, 0x1, 0x9}, @as_header={0x10, 0x24, 0x1, 0x2, 0x1, 0x0, 0x4, 0x8, 0xb8, 0x3}]}, {{0x9, 0x5, 0x82, 0x9, 0x8, 0x41, 0x6, 0x3, {0x8, 0x25, 0x1, 0x82, 0x3, 0xf3, 0x6}}}}}}}}]}}, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, &(0x7f0000000700)={0x2c, 0x0, &(0x7f00000005c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x44a}}, 0x0, 0x0, 0x0}, 0x0) syz_usb_control_io$uac2(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000008c0)={0x84, &(0x7f0000000380)={0x0, 0x8, 0x2, "ab61"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac2(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_connect$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io-syz_usb_control_io$uac2 detailed listing: executing program 0: r0 = syz_usb_connect$uac2(0x3, 0xa5, &(0x7f0000000280)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x40, 0x582, 0x4c, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x93, 0x3, 0x1, 0x5, 0x30, 0x9, {0x8, 0xb, 0x0, 0x1, 0x1, 0x7, 0x20, 0x8c}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x20, 0x0, {{0x9, 0x24, 0x1, 0x4000, 0x4, 0x1d, 0x7}, [@source_unit={0x8, 0x24, 0xa, 0x0, 0x4, 0xff, 0x23}, @output_terminal={0xc, 0x24, 0x3, 0x2, 0x307, 0x0, 0x4, 0x0, 0x7, 0x81}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x200, 0x3, 0xb, 0x4, {0x8, 0x25, 0x1, 0x0, 0x0, 0x40, 0x4}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {[@format_type_i_descriptor={0x6, 0x24, 0x2, 0x1, 0x1, 0x9}, @as_header={0x10, 0x24, 0x1, 0x2, 0x1, 0x0, 0x4, 0x8, 0xb8, 0x3}]}, {{0x9, 0x5, 0x82, 0x9, 0x8, 0x41, 0x6, 0x3, {0x8, 0x25, 0x1, 0x82, 0x3, 0xf3, 0x6}}}}}}}}]}}, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, &(0x7f0000000700)={0x2c, 0x0, &(0x7f00000005c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x44a}}, 0x0, 0x0, 0x0}, 0x0) syz_usb_control_io$uac2(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000008c0)={0x84, &(0x7f0000000380)={0x0, 0x8, 0x2, "ab61"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac2(r0, 0x0, &(0x7f0000000500)={0x44, 0x0, 0x0, 0x0, 0x0, 0x0, 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_connect$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io-syz_usb_control_io$uac2 program crashed: INFO: task hung in usb_audio_probe simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io-syz_usb_control_io$uac2 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_connect$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io-syz_usb_control_io$uac2 program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io-syz_usb_control_io$uac2 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_connect$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io-syz_usb_control_io$uac2 program crashed: INFO: task hung in usb_audio_probe testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io-syz_usb_control_io$uac2 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_connect$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io-syz_usb_control_io$uac2 program crashed: INFO: task hung in usb_audio_probe testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io-syz_usb_control_io$uac2 detailed listing: executing program 0: r0 = syz_usb_connect$uac2(0x3, 0xa5, &(0x7f0000000280)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x40, 0x582, 0x4c, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x93, 0x3, 0x1, 0x5, 0x30, 0x9, {0x8, 0xb, 0x0, 0x1, 0x1, 0x7, 0x20, 0x8c}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x20, 0x0, {{0x9, 0x24, 0x1, 0x4000, 0x4, 0x1d, 0x7}, [@source_unit={0x8, 0x24, 0xa, 0x0, 0x4, 0xff, 0x23}, @output_terminal={0xc, 0x24, 0x3, 0x2, 0x307, 0x0, 0x4, 0x0, 0x7, 0x81}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x200, 0x3, 0xb, 0x4, {0x8, 0x25, 0x1, 0x0, 0x0, 0x40, 0x4}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {[@format_type_i_descriptor={0x6, 0x24, 0x2, 0x1, 0x1, 0x9}, @as_header={0x10, 0x24, 0x1, 0x2, 0x1, 0x0, 0x4, 0x8, 0xb8, 0x3}]}, {{0x9, 0x5, 0x82, 0x9, 0x8, 0x41, 0x6, 0x3, {0x8, 0x25, 0x1, 0x82, 0x3, 0xf3, 0x6}}}}}}}}]}}, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, &(0x7f0000000700)={0x2c, 0x0, &(0x7f00000005c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x44a}}, 0x0, 0x0, 0x0}, 0x0) syz_usb_control_io$uac2(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000008c0)={0x84, &(0x7f0000000380)={0x0, 0x8, 0x2, "ab61"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac2(r0, 0x0, &(0x7f0000000500)={0x44, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program crashed: INFO: task hung in usb_audio_probe validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io-syz_usb_control_io$uac2 detailed listing: executing program 0: r0 = syz_usb_connect$uac2(0x3, 0xa5, &(0x7f0000000280)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x40, 0x582, 0x4c, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x93, 0x3, 0x1, 0x5, 0x30, 0x9, {0x8, 0xb, 0x0, 0x1, 0x1, 0x7, 0x20, 0x8c}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x20, 0x0, {{0x9, 0x24, 0x1, 0x4000, 0x4, 0x1d, 0x7}, [@source_unit={0x8, 0x24, 0xa, 0x0, 0x4, 0xff, 0x23}, @output_terminal={0xc, 0x24, 0x3, 0x2, 0x307, 0x0, 0x4, 0x0, 0x7, 0x81}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x200, 0x3, 0xb, 0x4, {0x8, 0x25, 0x1, 0x0, 0x0, 0x40, 0x4}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {[@format_type_i_descriptor={0x6, 0x24, 0x2, 0x1, 0x1, 0x9}, @as_header={0x10, 0x24, 0x1, 0x2, 0x1, 0x0, 0x4, 0x8, 0xb8, 0x3}]}, {{0x9, 0x5, 0x82, 0x9, 0x8, 0x41, 0x6, 0x3, {0x8, 0x25, 0x1, 0x82, 0x3, 0xf3, 0x6}}}}}}}}]}}, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, &(0x7f0000000700)={0x2c, 0x0, &(0x7f00000005c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x44a}}, 0x0, 0x0, 0x0}, 0x0) syz_usb_control_io$uac2(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000008c0)={0x84, &(0x7f0000000380)={0x0, 0x8, 0x2, "ab61"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac2(r0, 0x0, &(0x7f0000000500)={0x44, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program crashed: INFO: task hung in usb_audio_probe validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io-syz_usb_control_io$uac2 detailed listing: executing program 0: r0 = syz_usb_connect$uac2(0x3, 0xa5, &(0x7f0000000280)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x40, 0x582, 0x4c, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x93, 0x3, 0x1, 0x5, 0x30, 0x9, {0x8, 0xb, 0x0, 0x1, 0x1, 0x7, 0x20, 0x8c}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x20, 0x0, {{0x9, 0x24, 0x1, 0x4000, 0x4, 0x1d, 0x7}, [@source_unit={0x8, 0x24, 0xa, 0x0, 0x4, 0xff, 0x23}, @output_terminal={0xc, 0x24, 0x3, 0x2, 0x307, 0x0, 0x4, 0x0, 0x7, 0x81}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x200, 0x3, 0xb, 0x4, {0x8, 0x25, 0x1, 0x0, 0x0, 0x40, 0x4}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {[@format_type_i_descriptor={0x6, 0x24, 0x2, 0x1, 0x1, 0x9}, @as_header={0x10, 0x24, 0x1, 0x2, 0x1, 0x0, 0x4, 0x8, 0xb8, 0x3}]}, {{0x9, 0x5, 0x82, 0x9, 0x8, 0x41, 0x6, 0x3, {0x8, 0x25, 0x1, 0x82, 0x3, 0xf3, 0x6}}}}}}}}]}}, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, &(0x7f0000000700)={0x2c, 0x0, &(0x7f00000005c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x44a}}, 0x0, 0x0, 0x0}, 0x0) syz_usb_control_io$uac2(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000008c0)={0x84, &(0x7f0000000380)={0x0, 0x8, 0x2, "ab61"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac2(r0, 0x0, &(0x7f0000000500)={0x44, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program crashed: INFO: task hung in usb_audio_probe validation run: crashed=true reproducing took 1h58m37.235196632s repro crashed as (corrupted=false): INFO: task kworker/0:2:65 blocked for more than 122 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:2 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+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+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+0x1d4/0x380 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/1:2:371 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:371 tgid:371 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+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+0x1d4/0x380 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/0:3:384 blocked for more than 124 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:384 tgid:384 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+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+0x1d4/0x380 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 1 CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 0f3775a9ea948f8f8f06e34e337f4a1c8395b27e 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 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 0f3775a9ea948f8f8f06e34e337f4a1c8395b27e Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 Workqueue: usb_hub_wq hub_event RIP: 0010:serial8250_console_write+0x4/0x21a0 drivers/tty/serial/8250/8250_port.c:3368 Code: 38 c1 0f 8c c6 fb ff ff 4c 89 ef e8 96 0f bc fe e9 b9 fb ff ff 90 b8 a8 b5 fd 44 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 60 01 RSP: 0018:ffffc900000a61f0 EFLAGS: 00000006 RAX: 0000000000000000 RBX: 0000000000000033 RCX: ffff888102655f00 RDX: 0000000000000033 RSI: ffffffff88bc5c60 RDI: ffffffff88c254c0 RBP: ffffc900000a6210 R08: 0000000000000003 R09: 0000000000000004 R10: 0000000000000000 R11: ffffffff83232cf0 R12: dffffc0000000000 R13: ffffffff878f8600 R14: ffffffff88bc5c60 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fba1af48060 CR3: 000000010db5a000 CR4: 00000000003526b0 Call Trace: console_emit_next_record kernel/printk/printk.c:3151 [inline] console_flush_all+0x5fd/0xac0 kernel/printk/printk.c:3239 __console_flush_and_unlock kernel/printk/printk.c:3298 [inline] console_unlock+0xf8/0x2c0 kernel/printk/printk.c:3338 vprintk_emit+0x282/0x650 kernel/printk/printk.c:2462 dev_vprintk_emit+0x359/0x420 drivers/base/core.c:4962 dev_printk_emit+0xef/0x150 drivers/base/core.c:4973 __dev_printk+0x17f/0x1b0 drivers/base/core.c:4985 _dev_err+0x11f/0x180 drivers/base/core.c:5028 parse_uac2_sample_rate_range+0xa66/0xd30 sound/usb/format.c:398 parse_audio_format_rates_v2v3+0x3cd/0x1a30 sound/usb/format.c:635 parse_audio_format_i+0x6e5/0xee0 sound/usb/format.c:717 snd_usb_parse_audio_format+0x93/0x750 sound/usb/format.c:795 snd_usb_get_audioformat_uac12 sound/usb/stream.c:857 [inline] __snd_usb_parse_audio_interface+0x1681/0x47d0 sound/usb/stream.c:1202 snd_usb_parse_audio_interface+0x3e/0xd0 sound/usb/stream.c:1280 create_standard_audio_quirk+0x63/0x130 sound/usb/quirks.c:101 snd_usb_create_quirk sound/usb/quirks.c:541 [inline] create_composite_quirk+0x21d/0x540 sound/usb/quirks.c:49 snd_usb_create_quirk+0xae/0x130 sound/usb/quirks.c:541 usb_audio_probe+0xb62/0x1d60 sound/usb/card.c:960 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+0x1d4/0x380 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/0:2:65 blocked for more than 122 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:2 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+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+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+0x1d4/0x380 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/1:2:371 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:371 tgid:371 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+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+0x1d4/0x380 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/0:3:384 blocked for more than 124 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:384 tgid:384 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+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+0x1d4/0x380 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 1 CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 0f3775a9ea948f8f8f06e34e337f4a1c8395b27e 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 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 0f3775a9ea948f8f8f06e34e337f4a1c8395b27e Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 Workqueue: usb_hub_wq hub_event RIP: 0010:serial8250_console_write+0x4/0x21a0 drivers/tty/serial/8250/8250_port.c:3368 Code: 38 c1 0f 8c c6 fb ff ff 4c 89 ef e8 96 0f bc fe e9 b9 fb ff ff 90 b8 a8 b5 fd 44 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 60 01 RSP: 0018:ffffc900000a61f0 EFLAGS: 00000006 RAX: 0000000000000000 RBX: 0000000000000033 RCX: ffff888102655f00 RDX: 0000000000000033 RSI: ffffffff88bc5c60 RDI: ffffffff88c254c0 RBP: ffffc900000a6210 R08: 0000000000000003 R09: 0000000000000004 R10: 0000000000000000 R11: ffffffff83232cf0 R12: dffffc0000000000 R13: ffffffff878f8600 R14: ffffffff88bc5c60 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fba1af48060 CR3: 000000010db5a000 CR4: 00000000003526b0 Call Trace: console_emit_next_record kernel/printk/printk.c:3151 [inline] console_flush_all+0x5fd/0xac0 kernel/printk/printk.c:3239 __console_flush_and_unlock kernel/printk/printk.c:3298 [inline] console_unlock+0xf8/0x2c0 kernel/printk/printk.c:3338 vprintk_emit+0x282/0x650 kernel/printk/printk.c:2462 dev_vprintk_emit+0x359/0x420 drivers/base/core.c:4962 dev_printk_emit+0xef/0x150 drivers/base/core.c:4973 __dev_printk+0x17f/0x1b0 drivers/base/core.c:4985 _dev_err+0x11f/0x180 drivers/base/core.c:5028 parse_uac2_sample_rate_range+0xa66/0xd30 sound/usb/format.c:398 parse_audio_format_rates_v2v3+0x3cd/0x1a30 sound/usb/format.c:635 parse_audio_format_i+0x6e5/0xee0 sound/usb/format.c:717 snd_usb_parse_audio_format+0x93/0x750 sound/usb/format.c:795 snd_usb_get_audioformat_uac12 sound/usb/stream.c:857 [inline] __snd_usb_parse_audio_interface+0x1681/0x47d0 sound/usb/stream.c:1202 snd_usb_parse_audio_interface+0x3e/0xd0 sound/usb/stream.c:1280 create_standard_audio_quirk+0x63/0x130 sound/usb/quirks.c:101 snd_usb_create_quirk sound/usb/quirks.c:541 [inline] create_composite_quirk+0x21d/0x540 sound/usb/quirks.c:49 snd_usb_create_quirk+0xae/0x130 sound/usb/quirks.c:541 usb_audio_probe+0xb62/0x1d60 sound/usb/card.c:960 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+0x1d4/0x380 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