Extracting prog: 3m14.694016663s
Minimizing prog: 40m37.692169036s
Simplifying prog options: 0s
Extracting C: 1m14.064526962s
Simplifying C: 36m19.956296554s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$hidraw-syz_usb_connect$cdc_ncm-syz_usb_disconnect-syz_usb_connect$hid-ioctl$HIDIOCGRAWNAME-syz_usb_control_io$hid-syz_usb_connect-syz_usb_control_io$printer-syz_usb_connect-syz_usb_ep_read-syz_usb_connect$cdc_ncm
detailed listing:
executing program 0:
r0 = syz_open_dev$hidraw(&(0x7f0000000080), 0x0, 0x0) (async)
r1 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000090000082502000000000000000109025c00020100f92a0904000001020900000524060001053408fa6e0d240f0100000000000d000a0006471a010000190581"], 0x0)
syz_usb_disconnect(r1) (async)
r2 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0)
ioctl$HIDIOCGRAWNAME(r0, 0x80404804, &(0x7f0000000000)) (async)
syz_usb_control_io$hid(r2, 0x0, 0x0)
r3 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582c6c3"], 0x0)
syz_usb_control_io$printer(r3, &(0x7f0000000840)={0x14, &(0x7f0000000700)={0x0, 0x22, 0xd9, {0xd9, 0x9, "b41e4ee2b554dcd3d82434d34c4876c0e06a43ee0608ac13d9138dd81f01ab94dfdf62c0941f73bfd1c2a26721445096cbb460129c28bc3a8574ad86a14a7b69f75c50a0a4dbcad96353e8e15ebe3b7afa8136a8e58893ec4ada40af02f749a5c26f3298ea7da5435f5d6fb444cd8f48785f46331089b846e5d4557c6301a2e202c51b3a6e798f842c78e21f06ef5426af2ea223fbe802da5be10249a4e1fadb954ab140509f39fb94b0b82b53204d9a02bf9efa458e7635fe7aa9f270e4b86fea4c94f9d0e645cd84c646d5f7be30fb49d68f2a6412d3"}}, &(0x7f0000000800)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x809}}}, &(0x7f0000000a80)={0x34, &(0x7f0000000880)={0x0, 0x9}, &(0x7f0000000900)={0x0, 0xa, 0x1, 0x3}, &(0x7f0000000940)={0x0, 0x8, 0x1, 0x5}, &(0x7f0000000980)={0x20, 0x0, 0x79, {0x77, "27d59e739a2b24ea3bfc707e14b21c5ee4ccd7c8b0a196f39e5e5a65152f27acac8a034bea0da8ae16c5ac587d29d24e9eeb996f1e13400ead9468be85b41cc48127ea7a3246d1f49ed54127e520984d3c7c1f4b7a66277262185256fe44cabd201908be4564bdd2949f7aad8b20d6c118bff892a9ba1e"}}, &(0x7f0000000a00)={0x20, 0x1, 0x1, 0xa}, &(0x7f0000000a40)={0x20, 0x0, 0x1, 0x1}})
r4 = syz_usb_connect(0x0, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000d7de9e20aa14260219b8010203010902120001000000000904000000a05ef3005d2cf4e9a1841f3ac032192b04eaae6a586bc80a972b43e014ea20eeacef9788"], 0x0)
syz_usb_ep_read(r4, 0x10, 0x29, &(0x7f0000000080)=""/41)
syz_usb_connect$cdc_ncm(0x0, 0x0, 0x0, 0x0)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$hidraw-syz_usb_connect$cdc_ncm-syz_usb_disconnect-syz_usb_connect$hid-ioctl$HIDIOCGRAWNAME-syz_usb_control_io$hid-syz_usb_connect-syz_usb_control_io$printer-syz_usb_connect-syz_usb_ep_read-syz_usb_connect$cdc_ncm
detailed listing:
executing program 0:
r0 = syz_open_dev$hidraw(&(0x7f0000000080), 0x0, 0x0) (async)
r1 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000090000082502000000000000000109025c00020100f92a0904000001020900000524060001053408fa6e0d240f0100000000000d000a0006471a010000190581"], 0x0)
syz_usb_disconnect(r1) (async)
r2 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0)
ioctl$HIDIOCGRAWNAME(r0, 0x80404804, &(0x7f0000000000)) (async)
syz_usb_control_io$hid(r2, 0x0, 0x0)
r3 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582c6c3"], 0x0)
syz_usb_control_io$printer(r3, &(0x7f0000000840)={0x14, &(0x7f0000000700)={0x0, 0x22, 0xd9, {0xd9, 0x9, "b41e4ee2b554dcd3d82434d34c4876c0e06a43ee0608ac13d9138dd81f01ab94dfdf62c0941f73bfd1c2a26721445096cbb460129c28bc3a8574ad86a14a7b69f75c50a0a4dbcad96353e8e15ebe3b7afa8136a8e58893ec4ada40af02f749a5c26f3298ea7da5435f5d6fb444cd8f48785f46331089b846e5d4557c6301a2e202c51b3a6e798f842c78e21f06ef5426af2ea223fbe802da5be10249a4e1fadb954ab140509f39fb94b0b82b53204d9a02bf9efa458e7635fe7aa9f270e4b86fea4c94f9d0e645cd84c646d5f7be30fb49d68f2a6412d3"}}, &(0x7f0000000800)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x809}}}, &(0x7f0000000a80)={0x34, &(0x7f0000000880)={0x0, 0x9}, &(0x7f0000000900)={0x0, 0xa, 0x1, 0x3}, &(0x7f0000000940)={0x0, 0x8, 0x1, 0x5}, &(0x7f0000000980)={0x20, 0x0, 0x79, {0x77, "27d59e739a2b24ea3bfc707e14b21c5ee4ccd7c8b0a196f39e5e5a65152f27acac8a034bea0da8ae16c5ac587d29d24e9eeb996f1e13400ead9468be85b41cc48127ea7a3246d1f49ed54127e520984d3c7c1f4b7a66277262185256fe44cabd201908be4564bdd2949f7aad8b20d6c118bff892a9ba1e"}}, &(0x7f0000000a00)={0x20, 0x1, 0x1, 0xa}, &(0x7f0000000a40)={0x20, 0x0, 0x1, 0x1}})
r4 = syz_usb_connect(0x0, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000d7de9e20aa14260219b8010203010902120001000000000904000000a05ef3005d2cf4e9a1841f3ac032192b04eaae6a586bc80a972b43e014ea20eeacef9788"], 0x0)
syz_usb_ep_read(r4, 0x10, 0x29, &(0x7f0000000080)=""/41)
syz_usb_connect$cdc_ncm(0x0, 0x0, 0x0, 0x0)

program crashed: BUG: workqueue lockup
single: successfully extracted reproducer
found reproducer with 11 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$hidraw-syz_usb_connect$cdc_ncm-syz_usb_disconnect-syz_usb_connect$hid-ioctl$HIDIOCGRAWNAME-syz_usb_control_io$hid-syz_usb_connect-syz_usb_control_io$printer-syz_usb_connect-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_open_dev$hidraw(&(0x7f0000000080), 0x0, 0x0) (async)
r1 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000090000082502000000000000000109025c00020100f92a0904000001020900000524060001053408fa6e0d240f0100000000000d000a0006471a010000190581"], 0x0)
syz_usb_disconnect(r1) (async)
r2 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0)
ioctl$HIDIOCGRAWNAME(r0, 0x80404804, &(0x7f0000000000)) (async)
syz_usb_control_io$hid(r2, 0x0, 0x0)
r3 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582c6c3"], 0x0)
syz_usb_control_io$printer(r3, &(0x7f0000000840)={0x14, &(0x7f0000000700)={0x0, 0x22, 0xd9, {0xd9, 0x9, "b41e4ee2b554dcd3d82434d34c4876c0e06a43ee0608ac13d9138dd81f01ab94dfdf62c0941f73bfd1c2a26721445096cbb460129c28bc3a8574ad86a14a7b69f75c50a0a4dbcad96353e8e15ebe3b7afa8136a8e58893ec4ada40af02f749a5c26f3298ea7da5435f5d6fb444cd8f48785f46331089b846e5d4557c6301a2e202c51b3a6e798f842c78e21f06ef5426af2ea223fbe802da5be10249a4e1fadb954ab140509f39fb94b0b82b53204d9a02bf9efa458e7635fe7aa9f270e4b86fea4c94f9d0e645cd84c646d5f7be30fb49d68f2a6412d3"}}, &(0x7f0000000800)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x809}}}, &(0x7f0000000a80)={0x34, &(0x7f0000000880)={0x0, 0x9}, &(0x7f0000000900)={0x0, 0xa, 0x1, 0x3}, &(0x7f0000000940)={0x0, 0x8, 0x1, 0x5}, &(0x7f0000000980)={0x20, 0x0, 0x79, {0x77, "27d59e739a2b24ea3bfc707e14b21c5ee4ccd7c8b0a196f39e5e5a65152f27acac8a034bea0da8ae16c5ac587d29d24e9eeb996f1e13400ead9468be85b41cc48127ea7a3246d1f49ed54127e520984d3c7c1f4b7a66277262185256fe44cabd201908be4564bdd2949f7aad8b20d6c118bff892a9ba1e"}}, &(0x7f0000000a00)={0x20, 0x1, 0x1, 0xa}, &(0x7f0000000a40)={0x20, 0x0, 0x1, 0x1}})
r4 = syz_usb_connect(0x0, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000d7de9e20aa14260219b8010203010902120001000000000904000000a05ef3005d2cf4e9a1841f3ac032192b04eaae6a586bc80a972b43e014ea20eeacef9788"], 0x0)
syz_usb_ep_read(r4, 0x10, 0x29, &(0x7f0000000080)=""/41)

program crashed: BUG: workqueue lockup
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$hidraw-syz_usb_connect$cdc_ncm-syz_usb_disconnect-syz_usb_connect$hid-ioctl$HIDIOCGRAWNAME-syz_usb_control_io$hid-syz_usb_connect-syz_usb_control_io$printer-syz_usb_connect
detailed listing:
executing program 0:
r0 = syz_open_dev$hidraw(&(0x7f0000000080), 0x0, 0x0) (async)
r1 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000090000082502000000000000000109025c00020100f92a0904000001020900000524060001053408fa6e0d240f0100000000000d000a0006471a010000190581"], 0x0)
syz_usb_disconnect(r1) (async)
r2 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0)
ioctl$HIDIOCGRAWNAME(r0, 0x80404804, &(0x7f0000000000)) (async)
syz_usb_control_io$hid(r2, 0x0, 0x0)
r3 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582c6c3"], 0x0)
syz_usb_control_io$printer(r3, &(0x7f0000000840)={0x14, &(0x7f0000000700)={0x0, 0x22, 0xd9, {0xd9, 0x9, "b41e4ee2b554dcd3d82434d34c4876c0e06a43ee0608ac13d9138dd81f01ab94dfdf62c0941f73bfd1c2a26721445096cbb460129c28bc3a8574ad86a14a7b69f75c50a0a4dbcad96353e8e15ebe3b7afa8136a8e58893ec4ada40af02f749a5c26f3298ea7da5435f5d6fb444cd8f48785f46331089b846e5d4557c6301a2e202c51b3a6e798f842c78e21f06ef5426af2ea223fbe802da5be10249a4e1fadb954ab140509f39fb94b0b82b53204d9a02bf9efa458e7635fe7aa9f270e4b86fea4c94f9d0e645cd84c646d5f7be30fb49d68f2a6412d3"}}, &(0x7f0000000800)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x809}}}, &(0x7f0000000a80)={0x34, &(0x7f0000000880)={0x0, 0x9}, &(0x7f0000000900)={0x0, 0xa, 0x1, 0x3}, &(0x7f0000000940)={0x0, 0x8, 0x1, 0x5}, &(0x7f0000000980)={0x20, 0x0, 0x79, {0x77, "27d59e739a2b24ea3bfc707e14b21c5ee4ccd7c8b0a196f39e5e5a65152f27acac8a034bea0da8ae16c5ac587d29d24e9eeb996f1e13400ead9468be85b41cc48127ea7a3246d1f49ed54127e520984d3c7c1f4b7a66277262185256fe44cabd201908be4564bdd2949f7aad8b20d6c118bff892a9ba1e"}}, &(0x7f0000000a00)={0x20, 0x1, 0x1, 0xa}, &(0x7f0000000a40)={0x20, 0x0, 0x1, 0x1}})
syz_usb_connect(0x0, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000d7de9e20aa14260219b8010203010902120001000000000904000000a05ef3005d2cf4e9a1841f3ac032192b04eaae6a586bc80a972b43e014ea20eeacef9788"], 0x0)

program crashed: BUG: workqueue lockup
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$hidraw-syz_usb_connect$cdc_ncm-syz_usb_disconnect-syz_usb_connect$hid-ioctl$HIDIOCGRAWNAME-syz_usb_control_io$hid-syz_usb_connect-syz_usb_control_io$printer
detailed listing:
executing program 0:
r0 = syz_open_dev$hidraw(&(0x7f0000000080), 0x0, 0x0) (async)
r1 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000090000082502000000000000000109025c00020100f92a0904000001020900000524060001053408fa6e0d240f0100000000000d000a0006471a010000190581"], 0x0)
syz_usb_disconnect(r1) (async)
r2 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0)
ioctl$HIDIOCGRAWNAME(r0, 0x80404804, &(0x7f0000000000)) (async)
syz_usb_control_io$hid(r2, 0x0, 0x0)
r3 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582c6c3"], 0x0)
syz_usb_control_io$printer(r3, &(0x7f0000000840)={0x14, &(0x7f0000000700)={0x0, 0x22, 0xd9, {0xd9, 0x9, "b41e4ee2b554dcd3d82434d34c4876c0e06a43ee0608ac13d9138dd81f01ab94dfdf62c0941f73bfd1c2a26721445096cbb460129c28bc3a8574ad86a14a7b69f75c50a0a4dbcad96353e8e15ebe3b7afa8136a8e58893ec4ada40af02f749a5c26f3298ea7da5435f5d6fb444cd8f48785f46331089b846e5d4557c6301a2e202c51b3a6e798f842c78e21f06ef5426af2ea223fbe802da5be10249a4e1fadb954ab140509f39fb94b0b82b53204d9a02bf9efa458e7635fe7aa9f270e4b86fea4c94f9d0e645cd84c646d5f7be30fb49d68f2a6412d3"}}, &(0x7f0000000800)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x809}}}, &(0x7f0000000a80)={0x34, &(0x7f0000000880)={0x0, 0x9}, &(0x7f0000000900)={0x0, 0xa, 0x1, 0x3}, &(0x7f0000000940)={0x0, 0x8, 0x1, 0x5}, &(0x7f0000000980)={0x20, 0x0, 0x79, {0x77, "27d59e739a2b24ea3bfc707e14b21c5ee4ccd7c8b0a196f39e5e5a65152f27acac8a034bea0da8ae16c5ac587d29d24e9eeb996f1e13400ead9468be85b41cc48127ea7a3246d1f49ed54127e520984d3c7c1f4b7a66277262185256fe44cabd201908be4564bdd2949f7aad8b20d6c118bff892a9ba1e"}}, &(0x7f0000000a00)={0x20, 0x1, 0x1, 0xa}, &(0x7f0000000a40)={0x20, 0x0, 0x1, 0x1}})

program crashed: BUG: workqueue lockup
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$hidraw-syz_usb_connect$cdc_ncm-syz_usb_disconnect-syz_usb_connect$hid-ioctl$HIDIOCGRAWNAME-syz_usb_control_io$hid-syz_usb_connect
detailed listing:
executing program 0:
r0 = syz_open_dev$hidraw(&(0x7f0000000080), 0x0, 0x0) (async)
r1 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000090000082502000000000000000109025c00020100f92a0904000001020900000524060001053408fa6e0d240f0100000000000d000a0006471a010000190581"], 0x0)
syz_usb_disconnect(r1) (async)
r2 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0)
ioctl$HIDIOCGRAWNAME(r0, 0x80404804, &(0x7f0000000000)) (async)
syz_usb_control_io$hid(r2, 0x0, 0x0)
syz_usb_connect(0x3, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582c6c3"], 0x0)

program crashed: BUG: workqueue lockup
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$hidraw-syz_usb_connect$cdc_ncm-syz_usb_disconnect-syz_usb_connect$hid-ioctl$HIDIOCGRAWNAME-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_open_dev$hidraw(&(0x7f0000000080), 0x0, 0x0) (async)
r1 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000090000082502000000000000000109025c00020100f92a0904000001020900000524060001053408fa6e0d240f0100000000000d000a0006471a010000190581"], 0x0)
syz_usb_disconnect(r1) (async)
r2 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0)
ioctl$HIDIOCGRAWNAME(r0, 0x80404804, &(0x7f0000000000)) (async)
syz_usb_control_io$hid(r2, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$hidraw-syz_usb_connect$cdc_ncm-syz_usb_disconnect-syz_usb_connect$hid-ioctl$HIDIOCGRAWNAME-syz_usb_connect
detailed listing:
executing program 0:
r0 = syz_open_dev$hidraw(&(0x7f0000000080), 0x0, 0x0) (async)
r1 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000090000082502000000000000000109025c00020100f92a0904000001020900000524060001053408fa6e0d240f0100000000000d000a0006471a010000190581"], 0x0)
syz_usb_disconnect(r1) (async)
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0)
ioctl$HIDIOCGRAWNAME(r0, 0x80404804, &(0x7f0000000000)) (async)
syz_usb_connect(0x3, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582c6c3"], 0x0)

program crashed: BUG: workqueue lockup
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$hidraw-syz_usb_connect$cdc_ncm-syz_usb_disconnect-syz_usb_connect$hid-syz_usb_connect
detailed listing:
executing program 0:
syz_open_dev$hidraw(&(0x7f0000000080), 0x0, 0x0) (async)
r0 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000090000082502000000000000000109025c00020100f92a0904000001020900000524060001053408fa6e0d240f0100000000000d000a0006471a010000190581"], 0x0)
syz_usb_disconnect(r0) (async)
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0)
syz_usb_connect(0x3, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582c6c3"], 0x0)

program crashed: BUG: workqueue lockup
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$hidraw-syz_usb_connect$cdc_ncm-syz_usb_disconnect-syz_usb_connect
detailed listing:
executing program 0:
syz_open_dev$hidraw(&(0x7f0000000080), 0x0, 0x0) (async)
r0 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000090000082502000000000000000109025c00020100f92a0904000001020900000524060001053408fa6e0d240f0100000000000d000a0006471a010000190581"], 0x0)
syz_usb_disconnect(r0) (async)
syz_usb_connect(0x3, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582c6c3"], 0x0)

program crashed: BUG: workqueue lockup
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$hidraw-syz_usb_connect$cdc_ncm-syz_usb_connect
detailed listing:
executing program 0:
syz_open_dev$hidraw(&(0x7f0000000080), 0x0, 0x0) (async)
syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000090000082502000000000000000109025c00020100f92a0904000001020900000524060001053408fa6e0d240f0100000000000d000a0006471a010000190581"], 0x0)
syz_usb_connect(0x3, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582c6c3"], 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$hidraw-syz_usb_disconnect-syz_usb_connect
detailed listing:
executing program 0:
syz_open_dev$hidraw(&(0x7f0000000080), 0x0, 0x0) (async)
syz_usb_disconnect(0xffffffffffffffff) (async)
syz_usb_connect(0x3, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582c6c3"], 0x0)

program crashed: BUG: workqueue lockup
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
detailed listing:
executing program 0:
syz_usb_disconnect(0xffffffffffffffff) (async)
syz_usb_connect(0x3, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582c6c3"], 0x0)

program crashed: BUG: workqueue lockup
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
detailed listing:
executing program 0:
syz_usb_disconnect(0xffffffffffffffff)
syz_usb_connect(0x3, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582c6c3"], 0x0)

program crashed: BUG: workqueue lockup
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
detailed listing:
executing program 0:
syz_usb_disconnect(0xffffffffffffffff)
syz_usb_connect(0x3, 0x2d, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
detailed listing:
executing program 0:
syz_usb_disconnect(0xffffffffffffffff)
syz_usb_connect(0x3, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB], 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
program crashed: BUG: workqueue lockup
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
program crashed: BUG: workqueue lockup
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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
program crashed: BUG: workqueue lockup
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
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:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
program crashed: BUG: workqueue lockup
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
program crashed: BUG: workqueue lockup
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
program crashed: BUG: workqueue lockup
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
program crashed: BUG: workqueue lockup
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
program crashed: BUG: workqueue lockup
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
program crashed: BUG: workqueue lockup
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
program crashed: BUG: workqueue lockup
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
program crashed: BUG: workqueue lockup
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false 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_disconnect-syz_usb_connect
program crashed: BUG: workqueue lockup
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
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:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
program crashed: BUG: workqueue lockup
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
program crashed: BUG: workqueue lockup
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
detailed listing:
executing program 0:
syz_usb_disconnect(0xffffffffffffffff)
syz_usb_connect(0x3, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582c6c3"], 0x0)

program crashed: BUG: workqueue lockup
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
detailed listing:
executing program 0:
syz_usb_disconnect(0xffffffffffffffff)
syz_usb_connect(0x3, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582c6c3"], 0x0)

program crashed: BUG: workqueue lockup
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect
detailed listing:
executing program 0:
syz_usb_disconnect(0xffffffffffffffff)
syz_usb_connect(0x3, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582c6c3"], 0x0)

program crashed: BUG: workqueue lockup
validation run: crashed=true
reproducing took 1h25m47.334840765s
repro crashed as (corrupted=false):
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 39s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=9/256 refcnt=10
    pending: nsim_dev_hwstats_traffic_work, vmstat_shepherd, free_obj_work, ovs_dp_masks_rebalance, kfree_rcu_monitor, psi_avgs_work, ovs_dp_masks_rebalance, psi_avgs_work, reg_todo
workqueue events_long: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: defense_work_handler
workqueue events_unbound: flags=0x2
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=4/512 refcnt=6
    in-flight: 39:fsnotify_mark_destroy_workfn fsnotify_mark_destroy_workfn, 11:fsnotify_connector_destroy_workfn fsnotify_connector_destroy_workfn
workqueue rcu_gp: flags=0x8
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: srcu_invoke_callbacks
workqueue mm_percpu_wq: flags=0x8
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: vmstat_update
workqueue usb_hub_wq: flags=0x4
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    in-flight: 14:hub_event hub_event
workqueue mld: flags=0x40008
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=4
    pending: mld_ifc_work
    inactive: mld_ifc_work, mld_dad_work
workqueue ipv6_addrconf: flags=0x40008
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=57
    pending: addrconf_dad_work
    inactive: addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work
, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work
workqueue krxrpcd: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=3
    pending: rxrpc_peer_keepalive_worker
    inactive: rxrpc_peer_keepalive_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
workqueue wg-crypt-wg1: flags=0x28
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-crypt-wg2: flags=0x28
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=39s workers=6 idle: 7 4426 3898 1514 4417
pool 4: cpus=0-1 flags=0x4 nice=0 hung=0s workers=7 idle: 9 88 4456 4434 1613

final repro crashed as (corrupted=false):
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 39s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=9/256 refcnt=10
    pending: nsim_dev_hwstats_traffic_work, vmstat_shepherd, free_obj_work, ovs_dp_masks_rebalance, kfree_rcu_monitor, psi_avgs_work, ovs_dp_masks_rebalance, psi_avgs_work, reg_todo
workqueue events_long: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: defense_work_handler
workqueue events_unbound: flags=0x2
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=4/512 refcnt=6
    in-flight: 39:fsnotify_mark_destroy_workfn fsnotify_mark_destroy_workfn, 11:fsnotify_connector_destroy_workfn fsnotify_connector_destroy_workfn
workqueue rcu_gp: flags=0x8
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: srcu_invoke_callbacks
workqueue mm_percpu_wq: flags=0x8
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: vmstat_update
workqueue usb_hub_wq: flags=0x4
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    in-flight: 14:hub_event hub_event
workqueue mld: flags=0x40008
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=4
    pending: mld_ifc_work
    inactive: mld_ifc_work, mld_dad_work
workqueue ipv6_addrconf: flags=0x40008
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=57
    pending: addrconf_dad_work
    inactive: addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work
, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work
workqueue krxrpcd: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=3
    pending: rxrpc_peer_keepalive_worker
    inactive: rxrpc_peer_keepalive_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
workqueue wg-crypt-wg1: flags=0x28
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-crypt-wg2: flags=0x28
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=39s workers=6 idle: 7 4426 3898 1514 4417
pool 4: cpus=0-1 flags=0x4 nice=0 hung=0s workers=7 idle: 9 88 4456 4434 1613