Extracting prog: 2m13.608629614s
Minimizing prog: 34m34.24055575s
Simplifying prog options: 0s
Extracting C: 3m4.77562749s
Simplifying C: 9m17.482836078s


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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io$printer-syz_usb_control_io$cdc_ecm-syz_usb_connect$hid-syz_usb_control_io-syz_usb_control_io$hid-ioctl$EVIOCGKEY
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x18, 0x2d, 0x9c, 0x10, 0x930, 0xa13, 0x7644, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x4, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xf, 0x2, 0x2, 0xff, 0xff, 0x0, 0x0, [], [{{0x9, 0x5, 0x4, 0x2, 0x10, 0x0, 0xfa}}, {{0x9, 0x5, 0x82, 0x2, 0x40}}]}}]}}]}}, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, &(0x7f00000010c0)={0x34, &(0x7f00000003c0)={0x40, 0x15, 0x7f, "06940f23e314010000000000000003000000000000006972e6290d23aea7087cac5f465d5f30573d0dcf1e7531cac1cf67fe09862bbfc1fe824fa39e42dde2f2ed4d746917ce44ff9d7f42b4a1f142913b36902771f24298c144dc5b3f36006e1a670e320f22df070c56980de66d9a801faa7249bff6cbcf125d28b4703c80"}, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io$cdc_ecm(r0, &(0x7f00000001c0)={0x14, &(0x7f0000000000)={0x20, 0xb, 0x1f, {0x1f, 0x22, "89d03c628eb1d00d20877b0e7cc95fb01eb1fea57669d0f37bb1b27dca"}}, &(0x7f0000000180)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f0000000380)={0x1c, &(0x7f0000000200)={0x20, 0x30, 0xb1, "cf288e3480c950f2a6d9dc877958e4998066dcfa39f3a633fd58e6a9eb8b6177ae97614b9a6a7226f1568496bffc09a7574972b0a4f21a709af983b60d607e65f1243970f9ac3864438e7436513fd74b1d87c654b67a91da756e7bb327f8dc1ab15e543fe0a71e4337aac231023835498bf5fdea57773e09d774e66a13cd2b616ae18105dcf1eb361b17e10f731dc8231c26a8ae0a57f1d685c16f0ffe1c08a4f603820a0cea5d1d16223935cb9aff54d7"}, &(0x7f00000002c0)={0x0, 0xa, 0x1, 0x4}, &(0x7f0000000300)={0x0, 0x8, 0x1, 0x8}})
r1 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x10, 0x1fd2, 0x6007, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x1, 0x3, 0x0, 0x0, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x5}}}}]}}]}}, 0x0)
syz_usb_control_io(r1, 0x0, 0x0)
syz_usb_control_io$hid(r1, &(0x7f0000000340)={0x24, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYRESOCT], 0x0}, 0x0)
ioctl$EVIOCGKEY(0xffffffffffffffff, 0x80404518, &(0x7f00000000c0)=""/93)

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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io$printer-syz_usb_control_io$cdc_ecm-syz_usb_connect$hid-syz_usb_control_io-syz_usb_control_io$hid-ioctl$EVIOCGKEY
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x18, 0x2d, 0x9c, 0x10, 0x930, 0xa13, 0x7644, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x4, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xf, 0x2, 0x2, 0xff, 0xff, 0x0, 0x0, [], [{{0x9, 0x5, 0x4, 0x2, 0x10, 0x0, 0xfa}}, {{0x9, 0x5, 0x82, 0x2, 0x40}}]}}]}}]}}, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, &(0x7f00000010c0)={0x34, &(0x7f00000003c0)={0x40, 0x15, 0x7f, "06940f23e314010000000000000003000000000000006972e6290d23aea7087cac5f465d5f30573d0dcf1e7531cac1cf67fe09862bbfc1fe824fa39e42dde2f2ed4d746917ce44ff9d7f42b4a1f142913b36902771f24298c144dc5b3f36006e1a670e320f22df070c56980de66d9a801faa7249bff6cbcf125d28b4703c80"}, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io$cdc_ecm(r0, &(0x7f00000001c0)={0x14, &(0x7f0000000000)={0x20, 0xb, 0x1f, {0x1f, 0x22, "89d03c628eb1d00d20877b0e7cc95fb01eb1fea57669d0f37bb1b27dca"}}, &(0x7f0000000180)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f0000000380)={0x1c, &(0x7f0000000200)={0x20, 0x30, 0xb1, "cf288e3480c950f2a6d9dc877958e4998066dcfa39f3a633fd58e6a9eb8b6177ae97614b9a6a7226f1568496bffc09a7574972b0a4f21a709af983b60d607e65f1243970f9ac3864438e7436513fd74b1d87c654b67a91da756e7bb327f8dc1ab15e543fe0a71e4337aac231023835498bf5fdea57773e09d774e66a13cd2b616ae18105dcf1eb361b17e10f731dc8231c26a8ae0a57f1d685c16f0ffe1c08a4f603820a0cea5d1d16223935cb9aff54d7"}, &(0x7f00000002c0)={0x0, 0xa, 0x1, 0x4}, &(0x7f0000000300)={0x0, 0x8, 0x1, 0x8}})
r1 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x10, 0x1fd2, 0x6007, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x1, 0x3, 0x0, 0x0, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x5}}}}]}}]}}, 0x0)
syz_usb_control_io(r1, 0x0, 0x0)
syz_usb_control_io$hid(r1, &(0x7f0000000340)={0x24, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYRESOCT], 0x0}, 0x0)
ioctl$EVIOCGKEY(0xffffffffffffffff, 0x80404518, &(0x7f00000000c0)=""/93)

program crashed: KASAN: use-after-free Read in process_one_work
single: successfully extracted reproducer
found reproducer with 12 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io$printer-syz_usb_control_io$cdc_ecm-syz_usb_connect$hid-syz_usb_control_io-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x18, 0x2d, 0x9c, 0x10, 0x930, 0xa13, 0x7644, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x4, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xf, 0x2, 0x2, 0xff, 0xff, 0x0, 0x0, [], [{{0x9, 0x5, 0x4, 0x2, 0x10, 0x0, 0xfa}}, {{0x9, 0x5, 0x82, 0x2, 0x40}}]}}]}}]}}, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, &(0x7f00000010c0)={0x34, &(0x7f00000003c0)={0x40, 0x15, 0x7f, "06940f23e314010000000000000003000000000000006972e6290d23aea7087cac5f465d5f30573d0dcf1e7531cac1cf67fe09862bbfc1fe824fa39e42dde2f2ed4d746917ce44ff9d7f42b4a1f142913b36902771f24298c144dc5b3f36006e1a670e320f22df070c56980de66d9a801faa7249bff6cbcf125d28b4703c80"}, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io$cdc_ecm(r0, &(0x7f00000001c0)={0x14, &(0x7f0000000000)={0x20, 0xb, 0x1f, {0x1f, 0x22, "89d03c628eb1d00d20877b0e7cc95fb01eb1fea57669d0f37bb1b27dca"}}, &(0x7f0000000180)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f0000000380)={0x1c, &(0x7f0000000200)={0x20, 0x30, 0xb1, "cf288e3480c950f2a6d9dc877958e4998066dcfa39f3a633fd58e6a9eb8b6177ae97614b9a6a7226f1568496bffc09a7574972b0a4f21a709af983b60d607e65f1243970f9ac3864438e7436513fd74b1d87c654b67a91da756e7bb327f8dc1ab15e543fe0a71e4337aac231023835498bf5fdea57773e09d774e66a13cd2b616ae18105dcf1eb361b17e10f731dc8231c26a8ae0a57f1d685c16f0ffe1c08a4f603820a0cea5d1d16223935cb9aff54d7"}, &(0x7f00000002c0)={0x0, 0xa, 0x1, 0x4}, &(0x7f0000000300)={0x0, 0x8, 0x1, 0x8}})
r1 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x10, 0x1fd2, 0x6007, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x1, 0x3, 0x0, 0x0, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x5}}}}]}}]}}, 0x0)
syz_usb_control_io(r1, 0x0, 0x0)
syz_usb_control_io$hid(r1, &(0x7f0000000340)={0x24, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYRESOCT], 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io$printer-syz_usb_control_io$cdc_ecm-syz_usb_connect$hid-syz_usb_control_io-ioctl$EVIOCGKEY
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x18, 0x2d, 0x9c, 0x10, 0x930, 0xa13, 0x7644, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x4, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xf, 0x2, 0x2, 0xff, 0xff, 0x0, 0x0, [], [{{0x9, 0x5, 0x4, 0x2, 0x10, 0x0, 0xfa}}, {{0x9, 0x5, 0x82, 0x2, 0x40}}]}}]}}]}}, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, &(0x7f00000010c0)={0x34, &(0x7f00000003c0)={0x40, 0x15, 0x7f, "06940f23e314010000000000000003000000000000006972e6290d23aea7087cac5f465d5f30573d0dcf1e7531cac1cf67fe09862bbfc1fe824fa39e42dde2f2ed4d746917ce44ff9d7f42b4a1f142913b36902771f24298c144dc5b3f36006e1a670e320f22df070c56980de66d9a801faa7249bff6cbcf125d28b4703c80"}, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io$cdc_ecm(r0, &(0x7f00000001c0)={0x14, &(0x7f0000000000)={0x20, 0xb, 0x1f, {0x1f, 0x22, "89d03c628eb1d00d20877b0e7cc95fb01eb1fea57669d0f37bb1b27dca"}}, &(0x7f0000000180)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f0000000380)={0x1c, &(0x7f0000000200)={0x20, 0x30, 0xb1, "cf288e3480c950f2a6d9dc877958e4998066dcfa39f3a633fd58e6a9eb8b6177ae97614b9a6a7226f1568496bffc09a7574972b0a4f21a709af983b60d607e65f1243970f9ac3864438e7436513fd74b1d87c654b67a91da756e7bb327f8dc1ab15e543fe0a71e4337aac231023835498bf5fdea57773e09d774e66a13cd2b616ae18105dcf1eb361b17e10f731dc8231c26a8ae0a57f1d685c16f0ffe1c08a4f603820a0cea5d1d16223935cb9aff54d7"}, &(0x7f00000002c0)={0x0, 0xa, 0x1, 0x4}, &(0x7f0000000300)={0x0, 0x8, 0x1, 0x8}})
r1 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x10, 0x1fd2, 0x6007, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x1, 0x3, 0x0, 0x0, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x5}}}}]}}]}}, 0x0)
syz_usb_control_io(r1, 0x0, 0x0)
ioctl$EVIOCGKEY(0xffffffffffffffff, 0x80404518, &(0x7f00000000c0)=""/93)

program crashed: KASAN: use-after-free Read in worker_thread
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io$printer-syz_usb_control_io$cdc_ecm-syz_usb_connect$hid-ioctl$EVIOCGKEY
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x18, 0x2d, 0x9c, 0x10, 0x930, 0xa13, 0x7644, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x4, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xf, 0x2, 0x2, 0xff, 0xff, 0x0, 0x0, [], [{{0x9, 0x5, 0x4, 0x2, 0x10, 0x0, 0xfa}}, {{0x9, 0x5, 0x82, 0x2, 0x40}}]}}]}}]}}, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, &(0x7f00000010c0)={0x34, &(0x7f00000003c0)={0x40, 0x15, 0x7f, "06940f23e314010000000000000003000000000000006972e6290d23aea7087cac5f465d5f30573d0dcf1e7531cac1cf67fe09862bbfc1fe824fa39e42dde2f2ed4d746917ce44ff9d7f42b4a1f142913b36902771f24298c144dc5b3f36006e1a670e320f22df070c56980de66d9a801faa7249bff6cbcf125d28b4703c80"}, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io$cdc_ecm(r0, &(0x7f00000001c0)={0x14, &(0x7f0000000000)={0x20, 0xb, 0x1f, {0x1f, 0x22, "89d03c628eb1d00d20877b0e7cc95fb01eb1fea57669d0f37bb1b27dca"}}, &(0x7f0000000180)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f0000000380)={0x1c, &(0x7f0000000200)={0x20, 0x30, 0xb1, "cf288e3480c950f2a6d9dc877958e4998066dcfa39f3a633fd58e6a9eb8b6177ae97614b9a6a7226f1568496bffc09a7574972b0a4f21a709af983b60d607e65f1243970f9ac3864438e7436513fd74b1d87c654b67a91da756e7bb327f8dc1ab15e543fe0a71e4337aac231023835498bf5fdea57773e09d774e66a13cd2b616ae18105dcf1eb361b17e10f731dc8231c26a8ae0a57f1d685c16f0ffe1c08a4f603820a0cea5d1d16223935cb9aff54d7"}, &(0x7f00000002c0)={0x0, 0xa, 0x1, 0x4}, &(0x7f0000000300)={0x0, 0x8, 0x1, 0x8}})
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x10, 0x1fd2, 0x6007, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x1, 0x3, 0x0, 0x0, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x5}}}}]}}]}}, 0x0)
ioctl$EVIOCGKEY(0xffffffffffffffff, 0x80404518, &(0x7f00000000c0)=""/93)

program crashed: KASAN: use-after-free Read in worker_thread
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io$printer-syz_usb_control_io$cdc_ecm-ioctl$EVIOCGKEY
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x18, 0x2d, 0x9c, 0x10, 0x930, 0xa13, 0x7644, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x4, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xf, 0x2, 0x2, 0xff, 0xff, 0x0, 0x0, [], [{{0x9, 0x5, 0x4, 0x2, 0x10, 0x0, 0xfa}}, {{0x9, 0x5, 0x82, 0x2, 0x40}}]}}]}}]}}, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, &(0x7f00000010c0)={0x34, &(0x7f00000003c0)={0x40, 0x15, 0x7f, "06940f23e314010000000000000003000000000000006972e6290d23aea7087cac5f465d5f30573d0dcf1e7531cac1cf67fe09862bbfc1fe824fa39e42dde2f2ed4d746917ce44ff9d7f42b4a1f142913b36902771f24298c144dc5b3f36006e1a670e320f22df070c56980de66d9a801faa7249bff6cbcf125d28b4703c80"}, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io$cdc_ecm(r0, &(0x7f00000001c0)={0x14, &(0x7f0000000000)={0x20, 0xb, 0x1f, {0x1f, 0x22, "89d03c628eb1d00d20877b0e7cc95fb01eb1fea57669d0f37bb1b27dca"}}, &(0x7f0000000180)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f0000000380)={0x1c, &(0x7f0000000200)={0x20, 0x30, 0xb1, "cf288e3480c950f2a6d9dc877958e4998066dcfa39f3a633fd58e6a9eb8b6177ae97614b9a6a7226f1568496bffc09a7574972b0a4f21a709af983b60d607e65f1243970f9ac3864438e7436513fd74b1d87c654b67a91da756e7bb327f8dc1ab15e543fe0a71e4337aac231023835498bf5fdea57773e09d774e66a13cd2b616ae18105dcf1eb361b17e10f731dc8231c26a8ae0a57f1d685c16f0ffe1c08a4f603820a0cea5d1d16223935cb9aff54d7"}, &(0x7f00000002c0)={0x0, 0xa, 0x1, 0x4}, &(0x7f0000000300)={0x0, 0x8, 0x1, 0x8}})
ioctl$EVIOCGKEY(0xffffffffffffffff, 0x80404518, &(0x7f00000000c0)=""/93)

program crashed: KASAN: use-after-free Read in worker_thread
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io$printer-ioctl$EVIOCGKEY
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x18, 0x2d, 0x9c, 0x10, 0x930, 0xa13, 0x7644, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x4, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xf, 0x2, 0x2, 0xff, 0xff, 0x0, 0x0, [], [{{0x9, 0x5, 0x4, 0x2, 0x10, 0x0, 0xfa}}, {{0x9, 0x5, 0x82, 0x2, 0x40}}]}}]}}]}}, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, &(0x7f00000010c0)={0x34, &(0x7f00000003c0)={0x40, 0x15, 0x7f, "06940f23e314010000000000000003000000000000006972e6290d23aea7087cac5f465d5f30573d0dcf1e7531cac1cf67fe09862bbfc1fe824fa39e42dde2f2ed4d746917ce44ff9d7f42b4a1f142913b36902771f24298c144dc5b3f36006e1a670e320f22df070c56980de66d9a801faa7249bff6cbcf125d28b4703c80"}, 0x0, 0x0, 0x0, 0x0, 0x0})
ioctl$EVIOCGKEY(0xffffffffffffffff, 0x80404518, &(0x7f00000000c0)=""/93)

program crashed: KASAN: use-after-free Read in process_one_work
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io-syz_usb_control_io$cdc_ecm-ioctl$EVIOCGKEY
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x18, 0x2d, 0x9c, 0x10, 0x930, 0xa13, 0x7644, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x4, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xf, 0x2, 0x2, 0xff, 0xff, 0x0, 0x0, [], [{{0x9, 0x5, 0x4, 0x2, 0x10, 0x0, 0xfa}}, {{0x9, 0x5, 0x82, 0x2, 0x40}}]}}]}}]}}, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
ioctl$EVIOCGKEY(0xffffffffffffffff, 0x80404518, &(0x7f00000000c0)=""/93)

program crashed: KASAN: use-after-free Read in worker_thread
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io-ioctl$EVIOCGKEY
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x18, 0x2d, 0x9c, 0x10, 0x930, 0xa13, 0x7644, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x4, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xf, 0x2, 0x2, 0xff, 0xff, 0x0, 0x0, [], [{{0x9, 0x5, 0x4, 0x2, 0x10, 0x0, 0xfa}}, {{0x9, 0x5, 0x82, 0x2, 0x40}}]}}]}}]}}, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
ioctl$EVIOCGKEY(0xffffffffffffffff, 0x80404518, &(0x7f00000000c0)=""/93)

program crashed: KASAN: use-after-free Read in worker_thread
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$printer-syz_usb_control_io$hid-ioctl$EVIOCGKEY
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x18, 0x2d, 0x9c, 0x10, 0x930, 0xa13, 0x7644, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x4, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xf, 0x2, 0x2, 0xff, 0xff, 0x0, 0x0, [], [{{0x9, 0x5, 0x4, 0x2, 0x10, 0x0, 0xfa}}, {{0x9, 0x5, 0x82, 0x2, 0x40}}]}}]}}]}}, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
ioctl$EVIOCGKEY(0xffffffffffffffff, 0x80404518, &(0x7f00000000c0)=""/93)

program crashed: KASAN: use-after-free Read in worker_thread
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$printer-ioctl$EVIOCGKEY
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x18, 0x2d, 0x9c, 0x10, 0x930, 0xa13, 0x7644, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x4, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xf, 0x2, 0x2, 0xff, 0xff, 0x0, 0x0, [], [{{0x9, 0x5, 0x4, 0x2, 0x10, 0x0, 0xfa}}, {{0x9, 0x5, 0x82, 0x2, 0x40}}]}}]}}]}}, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
ioctl$EVIOCGKEY(0xffffffffffffffff, 0x80404518, &(0x7f00000000c0)=""/93)

program crashed: KASAN: use-after-free Read in worker_thread
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-ioctl$EVIOCGKEY
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x18, 0x2d, 0x9c, 0x10, 0x930, 0xa13, 0x7644, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x4, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xf, 0x2, 0x2, 0xff, 0xff, 0x0, 0x0, [], [{{0x9, 0x5, 0x4, 0x2, 0x10, 0x0, 0xfa}}, {{0x9, 0x5, 0x82, 0x2, 0x40}}]}}]}}]}}, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
ioctl$EVIOCGKEY(0xffffffffffffffff, 0x80404518, &(0x7f00000000c0)=""/93)

program crashed: KASAN: use-after-free Read in worker_thread
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl$EVIOCGKEY
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x18, 0x2d, 0x9c, 0x10, 0x930, 0xa13, 0x7644, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x4, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xf, 0x2, 0x2, 0xff, 0xff, 0x0, 0x0, [], [{{0x9, 0x5, 0x4, 0x2, 0x10, 0x0, 0xfa}}, {{0x9, 0x5, 0x82, 0x2, 0x40}}]}}]}}]}}, 0x0)
ioctl$EVIOCGKEY(0xffffffffffffffff, 0x80404518, &(0x7f00000000c0)=""/93)

program crashed: KASAN: use-after-free Read in process_one_work
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$EVIOCGKEY
detailed listing:
executing program 0:
ioctl$EVIOCGKEY(0xffffffffffffffff, 0x80404518, &(0x7f00000000c0)=""/93)

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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl$EVIOCGKEY
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x0, 0x0, 0x0)
ioctl$EVIOCGKEY(0xffffffffffffffff, 0x80404518, &(0x7f00000000c0)=""/93)

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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl$EVIOCGKEY
detailed listing:
executing program 0:
syz_usb_connect(0x3, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x18, 0x2d, 0x9c, 0x10, 0x930, 0xa13, 0x7644, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x4, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xf, 0x2, 0x2, 0xff, 0xff, 0x0, 0x0, [], [{{0x9, 0x5, 0x4, 0x2, 0x10, 0x0, 0xfa}}, {{0x9, 0x5, 0x82, 0x2, 0x40}}]}}]}}]}}, 0x0)
ioctl$EVIOCGKEY(0xffffffffffffffff, 0x80404518, 0x0)

program crashed: KASAN: use-after-free Read in worker_thread
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl$EVIOCGKEY
program crashed: KASAN: use-after-free Read in worker_thread
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl$EVIOCGKEY
program crashed: KASAN: use-after-free Read in worker_thread
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl$EVIOCGKEY
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl$EVIOCGKEY
program crashed: KASAN: use-after-free Read in worker_thread
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl$EVIOCGKEY
program crashed: KASAN: use-after-free Read in worker_thread
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl$EVIOCGKEY
program crashed: KASAN: use-after-free Read in worker_thread
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl$EVIOCGKEY
program crashed: KASAN: use-after-free Read in worker_thread
reproducing took 49m10.107683572s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in worker_thread+0xa2e/0x1200 kernel/workqueue.c:2470
Read of size 8 at addr ffff88810f4d2c60 by task kworker/1:7/333

CPU: 1 PID: 333 Comm: kworker/1:7 Not tainted 5.15.185-syzkaller-00339-ge678c93d43cc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue:  0x0 (mm_percpu_wq)
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0xf1/0x140 mm/kasan/report.c:444
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:309
 worker_thread+0xa2e/0x1200 kernel/workqueue.c:2470
 kthread+0x411/0x500 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>

Allocated by task 290:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 ____kasan_kmalloc mm/kasan/common.c:512 [inline]
 __kasan_kmalloc+0xda/0x110 mm/kasan/common.c:521
 kasan_kmalloc include/linux/kasan.h:227 [inline]
 __kmalloc+0x13d/0x2c0 mm/slub.c:4431
 __kmalloc_node include/linux/slab.h:484 [inline]
 kmalloc_node include/linux/slab.h:639 [inline]
 kvmalloc_node+0x242/0x330 mm/util.c:628
 kvmalloc include/linux/mm.h:851 [inline]
 kvzalloc include/linux/mm.h:859 [inline]
 alloc_netdev_mqs+0x8d/0xc90 net/core/dev.c:10900
 alloc_etherdev_mqs+0x34/0x40 net/ethernet/eth.c:383
 usbnet_probe+0x219/0x2860 drivers/net/usb/usbnet.c:1723
 usb_probe_interface+0x5ff/0xae0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x285/0x970 drivers/base/dd.c:595
 __driver_probe_device+0x198/0x280 drivers/base/dd.c:755
 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
 __device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:429
 __device_attach+0x2a2/0x400 drivers/base/dd.c:979
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
 device_add+0xb31/0xed0 drivers/base/core.c:3422
 usb_set_configuration+0x19c2/0x1f10 drivers/usb/core/message.c:2165
 usb_generic_driver_probe+0x91/0x150 drivers/usb/core/generic.c:238
 usb_probe_device+0x148/0x260 drivers/usb/core/driver.c:293
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x285/0x970 drivers/base/dd.c:595
 __driver_probe_device+0x198/0x280 drivers/base/dd.c:755
 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
 __device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:429
 __device_attach+0x2a2/0x400 drivers/base/dd.c:979
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
 device_add+0xb31/0xed0 drivers/base/core.c:3422
 usb_new_device+0xd06/0x1620 drivers/usb/core/hub.c:2610
 hub_port_connect drivers/usb/core/hub.c:5525 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5665 [inline]
 port_event drivers/usb/core/hub.c:5815 [inline]
 hub_event+0x27d8/0x42c0 drivers/usb/core/hub.c:5897
 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325
 process_scheduled_works kernel/workqueue.c:2388 [inline]
 worker_thread+0xd7b/0x1200 kernel/workqueue.c:2474
 kthread+0x411/0x500 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

Freed by task 290:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4a/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1723 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749
 slab_free mm/slub.c:3521 [inline]
 kfree+0xc4/0x270 mm/slub.c:4583
 kvfree+0x35/0x40 mm/util.c:664
 netdev_freemem+0x3f/0x60 net/core/dev.c:10854
 netdev_release+0x7f/0xb0 net/core/net-sysfs.c:1903
 device_release+0x96/0x1c0 drivers/base/core.c:-1
 kobject_cleanup lib/kobject.c:713 [inline]
 kobject_release lib/kobject.c:744 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x18a/0x270 lib/kobject.c:761
 put_device+0x1f/0x30 drivers/base/core.c:3530
 free_netdev+0x34b/0x450 net/core/dev.c:11040
 usbnet_disconnect+0x24b/0x3a0 drivers/net/usb/usbnet.c:1662
 ax88179_disconnect+0x82/0xb0 drivers/net/usb/ax88179_178a.c:535
 usb_unbind_interface+0x212/0x8c0 drivers/usb/core/driver.c:458
 __device_release_driver drivers/base/dd.c:1229 [inline]
 device_release_driver_internal+0x4c1/0x760 drivers/base/dd.c:1262
 device_release_driver+0x19/0x20 drivers/base/dd.c:1285
 bus_remove_device+0x2dd/0x340 drivers/base/bus.c:531
 device_del+0x696/0xe90 drivers/base/core.c:3610
 usb_disable_device+0x3a8/0x750 drivers/usb/core/message.c:1414
 usb_disconnect+0x31e/0x850 drivers/usb/core/hub.c:2260
 hub_port_connect drivers/usb/core/hub.c:5364 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5665 [inline]
 port_event drivers/usb/core/hub.c:5815 [inline]
 hub_event+0x190c/0x42c0 drivers/usb/core/hub.c:5897
 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325
 process_scheduled_works kernel/workqueue.c:2388 [inline]
 worker_thread+0xd7b/0x1200 kernel/workqueue.c:2474
 kthread+0x411/0x500 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

Last potentially related work creation:
 kasan_save_stack+0x3a/0x60 mm/kasan/common.c:38
 __kasan_record_aux_stack+0xd2/0x100 mm/kasan/generic.c:348
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
 insert_work+0x51/0x310 kernel/workqueue.c:1373
 __queue_work+0x8e5/0xc60 kernel/workqueue.c:1539
 queue_work_on+0xd2/0x140 kernel/workqueue.c:1566
 queue_work include/linux/workqueue.h:510 [inline]
 schedule_work include/linux/workqueue.h:571 [inline]
 usbnet_defer_kevent drivers/net/usb/usbnet.c:482 [inline]
 usbnet_link_change+0x176/0x1a0 drivers/net/usb/usbnet.c:-1
 ax88179_reset+0x2865/0x4230 drivers/net/usb/ax88179_178a.c:1693
 ax88179_bind+0x294/0x370 drivers/net/usb/ax88179_178a.c:1343
 usbnet_probe+0xb37/0x2860 drivers/net/usb/usbnet.c:1774
 usb_probe_interface+0x5ff/0xae0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x285/0x970 drivers/base/dd.c:595
 __driver_probe_device+0x198/0x280 drivers/base/dd.c:755
 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
 __device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:429
 __device_attach+0x2a2/0x400 drivers/base/dd.c:979
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
 device_add+0xb31/0xed0 drivers/base/core.c:3422
 usb_set_configuration+0x19c2/0x1f10 drivers/usb/core/message.c:2165
 usb_generic_driver_probe+0x91/0x150 drivers/usb/core/generic.c:238
 usb_probe_device+0x148/0x260 drivers/usb/core/driver.c:293
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x285/0x970 drivers/base/dd.c:595
 __driver_probe_device+0x198/0x280 drivers/base/dd.c:755
 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
 __device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:429
 __device_attach+0x2a2/0x400 drivers/base/dd.c:979
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
 device_add+0xb31/0xed0 drivers/base/core.c:3422
 usb_new_device+0xd06/0x1620 drivers/usb/core/hub.c:2610
 hub_port_connect drivers/usb/core/hub.c:5525 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5665 [inline]
 port_event drivers/usb/core/hub.c:5815 [inline]
 hub_event+0x27d8/0x42c0 drivers/usb/core/hub.c:5897
 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325
 process_scheduled_works kernel/workqueue.c:2388 [inline]
 worker_thread+0xd7b/0x1200 kernel/workqueue.c:2474
 kthread+0x411/0x500 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

The buggy address belongs to the object at ffff88810f4d2000
 which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 3168 bytes inside of
 4096-byte region [ffff88810f4d2000, ffff88810f4d3000)
The buggy address belongs to the page:
page:ffffea00043d3400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10f4d0
head:ffffea00043d3400 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 dead000000000100 dead000000000122 ffff888100043380
raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 102, ts 5750839060, free_ts 0
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2605
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2611
 get_page_from_freelist+0x2cc5/0x2d50 mm/page_alloc.c:4485
 __alloc_pages+0x18f/0x440 mm/page_alloc.c:5789
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1932 [inline]
 new_slab+0xa1/0x4d0 mm/slub.c:1995
 ___slab_alloc+0x381/0x810 mm/slub.c:3028
 __slab_alloc+0x49/0x90 mm/slub.c:3115
 slab_alloc_node mm/slub.c:3206 [inline]
 slab_alloc mm/slub.c:3250 [inline]
 kmem_cache_alloc_trace+0x146/0x270 mm/slub.c:3267
 kmalloc include/linux/slab.h:616 [inline]
 kzalloc include/linux/slab.h:747 [inline]
 kobject_uevent_env+0x272/0x700 lib/kobject_uevent.c:539
 kobject_synth_uevent+0x520/0xaf0 lib/kobject_uevent.c:208
 uevent_store+0x4b/0x70 drivers/base/bus.c:583
 drv_attr_store+0x79/0xa0 drivers/base/bus.c:77
 sysfs_kf_write+0x129/0x150 fs/sysfs/file.c:139
 kernfs_fop_write_iter+0x2c5/0x400 fs/kernfs/file.c:296
 call_write_iter include/linux/fs.h:2204 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x802/0xf70 fs/read_write.c:594
 ksys_write+0x140/0x240 fs/read_write.c:647
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88810f4d2b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88810f4d2b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88810f4d2c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                       ^
 ffff88810f4d2c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88810f4d2d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in worker_thread+0xa2e/0x1200 kernel/workqueue.c:2470
Read of size 8 at addr ffff88810f4d2c60 by task kworker/1:7/333

CPU: 1 PID: 333 Comm: kworker/1:7 Not tainted 5.15.185-syzkaller-00339-ge678c93d43cc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue:  0x0 (mm_percpu_wq)
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0xf1/0x140 mm/kasan/report.c:444
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:309
 worker_thread+0xa2e/0x1200 kernel/workqueue.c:2470
 kthread+0x411/0x500 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>

Allocated by task 290:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 ____kasan_kmalloc mm/kasan/common.c:512 [inline]
 __kasan_kmalloc+0xda/0x110 mm/kasan/common.c:521
 kasan_kmalloc include/linux/kasan.h:227 [inline]
 __kmalloc+0x13d/0x2c0 mm/slub.c:4431
 __kmalloc_node include/linux/slab.h:484 [inline]
 kmalloc_node include/linux/slab.h:639 [inline]
 kvmalloc_node+0x242/0x330 mm/util.c:628
 kvmalloc include/linux/mm.h:851 [inline]
 kvzalloc include/linux/mm.h:859 [inline]
 alloc_netdev_mqs+0x8d/0xc90 net/core/dev.c:10900
 alloc_etherdev_mqs+0x34/0x40 net/ethernet/eth.c:383
 usbnet_probe+0x219/0x2860 drivers/net/usb/usbnet.c:1723
 usb_probe_interface+0x5ff/0xae0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x285/0x970 drivers/base/dd.c:595
 __driver_probe_device+0x198/0x280 drivers/base/dd.c:755
 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
 __device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:429
 __device_attach+0x2a2/0x400 drivers/base/dd.c:979
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
 device_add+0xb31/0xed0 drivers/base/core.c:3422
 usb_set_configuration+0x19c2/0x1f10 drivers/usb/core/message.c:2165
 usb_generic_driver_probe+0x91/0x150 drivers/usb/core/generic.c:238
 usb_probe_device+0x148/0x260 drivers/usb/core/driver.c:293
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x285/0x970 drivers/base/dd.c:595
 __driver_probe_device+0x198/0x280 drivers/base/dd.c:755
 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
 __device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:429
 __device_attach+0x2a2/0x400 drivers/base/dd.c:979
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
 device_add+0xb31/0xed0 drivers/base/core.c:3422
 usb_new_device+0xd06/0x1620 drivers/usb/core/hub.c:2610
 hub_port_connect drivers/usb/core/hub.c:5525 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5665 [inline]
 port_event drivers/usb/core/hub.c:5815 [inline]
 hub_event+0x27d8/0x42c0 drivers/usb/core/hub.c:5897
 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325
 process_scheduled_works kernel/workqueue.c:2388 [inline]
 worker_thread+0xd7b/0x1200 kernel/workqueue.c:2474
 kthread+0x411/0x500 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

Freed by task 290:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4a/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1723 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749
 slab_free mm/slub.c:3521 [inline]
 kfree+0xc4/0x270 mm/slub.c:4583
 kvfree+0x35/0x40 mm/util.c:664
 netdev_freemem+0x3f/0x60 net/core/dev.c:10854
 netdev_release+0x7f/0xb0 net/core/net-sysfs.c:1903
 device_release+0x96/0x1c0 drivers/base/core.c:-1
 kobject_cleanup lib/kobject.c:713 [inline]
 kobject_release lib/kobject.c:744 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x18a/0x270 lib/kobject.c:761
 put_device+0x1f/0x30 drivers/base/core.c:3530
 free_netdev+0x34b/0x450 net/core/dev.c:11040
 usbnet_disconnect+0x24b/0x3a0 drivers/net/usb/usbnet.c:1662
 ax88179_disconnect+0x82/0xb0 drivers/net/usb/ax88179_178a.c:535
 usb_unbind_interface+0x212/0x8c0 drivers/usb/core/driver.c:458
 __device_release_driver drivers/base/dd.c:1229 [inline]
 device_release_driver_internal+0x4c1/0x760 drivers/base/dd.c:1262
 device_release_driver+0x19/0x20 drivers/base/dd.c:1285
 bus_remove_device+0x2dd/0x340 drivers/base/bus.c:531
 device_del+0x696/0xe90 drivers/base/core.c:3610
 usb_disable_device+0x3a8/0x750 drivers/usb/core/message.c:1414
 usb_disconnect+0x31e/0x850 drivers/usb/core/hub.c:2260
 hub_port_connect drivers/usb/core/hub.c:5364 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5665 [inline]
 port_event drivers/usb/core/hub.c:5815 [inline]
 hub_event+0x190c/0x42c0 drivers/usb/core/hub.c:5897
 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325
 process_scheduled_works kernel/workqueue.c:2388 [inline]
 worker_thread+0xd7b/0x1200 kernel/workqueue.c:2474
 kthread+0x411/0x500 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

Last potentially related work creation:
 kasan_save_stack+0x3a/0x60 mm/kasan/common.c:38
 __kasan_record_aux_stack+0xd2/0x100 mm/kasan/generic.c:348
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
 insert_work+0x51/0x310 kernel/workqueue.c:1373
 __queue_work+0x8e5/0xc60 kernel/workqueue.c:1539
 queue_work_on+0xd2/0x140 kernel/workqueue.c:1566
 queue_work include/linux/workqueue.h:510 [inline]
 schedule_work include/linux/workqueue.h:571 [inline]
 usbnet_defer_kevent drivers/net/usb/usbnet.c:482 [inline]
 usbnet_link_change+0x176/0x1a0 drivers/net/usb/usbnet.c:-1
 ax88179_reset+0x2865/0x4230 drivers/net/usb/ax88179_178a.c:1693
 ax88179_bind+0x294/0x370 drivers/net/usb/ax88179_178a.c:1343
 usbnet_probe+0xb37/0x2860 drivers/net/usb/usbnet.c:1774
 usb_probe_interface+0x5ff/0xae0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x285/0x970 drivers/base/dd.c:595
 __driver_probe_device+0x198/0x280 drivers/base/dd.c:755
 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
 __device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:429
 __device_attach+0x2a2/0x400 drivers/base/dd.c:979
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
 device_add+0xb31/0xed0 drivers/base/core.c:3422
 usb_set_configuration+0x19c2/0x1f10 drivers/usb/core/message.c:2165
 usb_generic_driver_probe+0x91/0x150 drivers/usb/core/generic.c:238
 usb_probe_device+0x148/0x260 drivers/usb/core/driver.c:293
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x285/0x970 drivers/base/dd.c:595
 __driver_probe_device+0x198/0x280 drivers/base/dd.c:755
 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
 __device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:429
 __device_attach+0x2a2/0x400 drivers/base/dd.c:979
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
 device_add+0xb31/0xed0 drivers/base/core.c:3422
 usb_new_device+0xd06/0x1620 drivers/usb/core/hub.c:2610
 hub_port_connect drivers/usb/core/hub.c:5525 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5665 [inline]
 port_event drivers/usb/core/hub.c:5815 [inline]
 hub_event+0x27d8/0x42c0 drivers/usb/core/hub.c:5897
 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325
 process_scheduled_works kernel/workqueue.c:2388 [inline]
 worker_thread+0xd7b/0x1200 kernel/workqueue.c:2474
 kthread+0x411/0x500 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

The buggy address belongs to the object at ffff88810f4d2000
 which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 3168 bytes inside of
 4096-byte region [ffff88810f4d2000, ffff88810f4d3000)
The buggy address belongs to the page:
page:ffffea00043d3400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10f4d0
head:ffffea00043d3400 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 dead000000000100 dead000000000122 ffff888100043380
raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 102, ts 5750839060, free_ts 0
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2605
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2611
 get_page_from_freelist+0x2cc5/0x2d50 mm/page_alloc.c:4485
 __alloc_pages+0x18f/0x440 mm/page_alloc.c:5789
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1932 [inline]
 new_slab+0xa1/0x4d0 mm/slub.c:1995
 ___slab_alloc+0x381/0x810 mm/slub.c:3028
 __slab_alloc+0x49/0x90 mm/slub.c:3115
 slab_alloc_node mm/slub.c:3206 [inline]
 slab_alloc mm/slub.c:3250 [inline]
 kmem_cache_alloc_trace+0x146/0x270 mm/slub.c:3267
 kmalloc include/linux/slab.h:616 [inline]
 kzalloc include/linux/slab.h:747 [inline]
 kobject_uevent_env+0x272/0x700 lib/kobject_uevent.c:539
 kobject_synth_uevent+0x520/0xaf0 lib/kobject_uevent.c:208
 uevent_store+0x4b/0x70 drivers/base/bus.c:583
 drv_attr_store+0x79/0xa0 drivers/base/bus.c:77
 sysfs_kf_write+0x129/0x150 fs/sysfs/file.c:139
 kernfs_fop_write_iter+0x2c5/0x400 fs/kernfs/file.c:296
 call_write_iter include/linux/fs.h:2204 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x802/0xf70 fs/read_write.c:594
 ksys_write+0x140/0x240 fs/read_write.c:647
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88810f4d2b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88810f4d2b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88810f4d2c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                       ^
 ffff88810f4d2c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88810f4d2d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================