Extracting prog: 2m39.735645272s Minimizing prog: 13m33.984061027s Simplifying prog options: 0s Extracting C: 1m20.90273433s Simplifying C: 10m40.133522648s 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:6 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$evdev-syz_usb_connect-syz_usb_connect-syz_usb_control_io-syz_usb_ep_write$ath9k_ep1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-syz_usb_connect-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-ioctl$EVIOCGPHYS-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$printer detailed listing: executing program 0: syz_open_dev$evdev(&(0x7f00000000c0), 0x2000000003, 0x903d41) syz_usb_connect(0x3, 0x63, &(0x7f0000000740)={{0x12, 0x1, 0x310, 0x78, 0xe8, 0x72, 0x20, 0x1f71, 0x3306, 0x2ac0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x2, 0x3, 0x1, 0x80, 0x5, "", [{{0x9, 0x4, 0xdf, 0x0, 0x0, 0x46, 0x35, 0x34, 0xf}}, {{0x9, 0x4, 0x19, 0x6, 0x5, 0xfb, 0xdc, 0x42, 0x0, [], [{{0x9, 0x5, 0x80, 0x10, 0x200, 0x6, 0x6, 0x4, [@generic={0x9, 0x4, "df9b52d017dc73"}]}}, {{0x9, 0x5, 0xd, 0x0, 0x200, 0xaf, 0x2, 0x83}}, {{0x9, 0x5, 0x8b, 0x0, 0x20, 0x1, 0x8, 0x8}}, {{0x9, 0x5, 0x8, 0x0, 0x200, 0x8, 0x1b, 0x6}}, {{0x9, 0x5, 0xe, 0x1, 0x200, 0x3, 0x9, 0x40}}]}}]}}]}}, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0}) r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="1201410130f56920ac05190272f00102030109021b00010000100009045507010349020009058203"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000580)={0x84, &(0x7f0000000340)=ANY=[@ANYBLOB='\x00N\b'], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_ep_write$ath9k_ep1(r0, 0x82, 0x40, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_open_dev$evdev(&(0x7f0000000000), 0x2, 0x0) r1 = syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="03010000ac0fce405d0500904431000000010902120001000080040904"], 0x0) syz_usb_disconnect(r1) r2 = syz_usb_connect(0x0, 0x24, &(0x7f0000000cc0)=ANY=[], 0x0) syz_usb_control_io$cdc_ecm(r2, &(0x7f0000000440)={0x14, &(0x7f0000000380)={0x0, 0x30, 0x2, {0x2, 0x7}}, &(0x7f0000000400)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f0000000680)={0x1c, &(0x7f0000000480)={0x0, 0x1, 0xa3, "af63d59b864db2ae6716d5f9099892104325f3df6f0cb95267a65a44343f2d66af5bfad8556c29e3c3e9c83e4e90ff5c91a53fc240e842a4401df8967f65464913181287ad1950afa4eee53a7bc619d3011c55a8ed279dafb7d5e632736b620988e58aec4cad6cdddd0b0fd09f23ce7962e49769ec768e2d0091a1563c6534e38c0817998cafb23d40ad4f1af0af95bd2a2b6a304e913a24a93761931a7974d59d71c7"}, &(0x7f0000000540)={0x0, 0xa, 0x1, 0x5}, &(0x7f0000000640)={0x0, 0x8, 0x1, 0x3}}) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, &(0x7f0000001480)={0x44, &(0x7f0000001180)=ANY=[@ANYBLOB="000001"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r2, 0x0, 0x0) r3 = syz_open_dev$evdev(&(0x7f0000000040), 0x8000000000000000, 0x400000) ioctl$EVIOCGPHYS(r3, 0x80404507, &(0x7f0000000240)=""/236) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) syz_usb_control_io$printer(r2, 0x0, &(0x7f0000001540)={0x34, &(0x7f0000001300)=ANY=[@ANYBLOB="0007ebffffff"], 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 1m40s testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$evdev-syz_usb_connect-syz_usb_connect-syz_usb_control_io-syz_usb_ep_write$ath9k_ep1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-syz_usb_connect-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-ioctl$EVIOCGPHYS-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$printer detailed listing: executing program 0: syz_open_dev$evdev(&(0x7f00000000c0), 0x2000000003, 0x903d41) syz_usb_connect(0x3, 0x63, &(0x7f0000000740)={{0x12, 0x1, 0x310, 0x78, 0xe8, 0x72, 0x20, 0x1f71, 0x3306, 0x2ac0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x2, 0x3, 0x1, 0x80, 0x5, "", [{{0x9, 0x4, 0xdf, 0x0, 0x0, 0x46, 0x35, 0x34, 0xf}}, {{0x9, 0x4, 0x19, 0x6, 0x5, 0xfb, 0xdc, 0x42, 0x0, [], [{{0x9, 0x5, 0x80, 0x10, 0x200, 0x6, 0x6, 0x4, [@generic={0x9, 0x4, "df9b52d017dc73"}]}}, {{0x9, 0x5, 0xd, 0x0, 0x200, 0xaf, 0x2, 0x83}}, {{0x9, 0x5, 0x8b, 0x0, 0x20, 0x1, 0x8, 0x8}}, {{0x9, 0x5, 0x8, 0x0, 0x200, 0x8, 0x1b, 0x6}}, {{0x9, 0x5, 0xe, 0x1, 0x200, 0x3, 0x9, 0x40}}]}}]}}]}}, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0}) r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="1201410130f56920ac05190272f00102030109021b00010000100009045507010349020009058203"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000580)={0x84, &(0x7f0000000340)=ANY=[@ANYBLOB='\x00N\b'], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_ep_write$ath9k_ep1(r0, 0x82, 0x40, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_open_dev$evdev(&(0x7f0000000000), 0x2, 0x0) r1 = syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="03010000ac0fce405d0500904431000000010902120001000080040904"], 0x0) syz_usb_disconnect(r1) r2 = syz_usb_connect(0x0, 0x24, &(0x7f0000000cc0)=ANY=[], 0x0) syz_usb_control_io$cdc_ecm(r2, &(0x7f0000000440)={0x14, &(0x7f0000000380)={0x0, 0x30, 0x2, {0x2, 0x7}}, &(0x7f0000000400)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f0000000680)={0x1c, &(0x7f0000000480)={0x0, 0x1, 0xa3, "af63d59b864db2ae6716d5f9099892104325f3df6f0cb95267a65a44343f2d66af5bfad8556c29e3c3e9c83e4e90ff5c91a53fc240e842a4401df8967f65464913181287ad1950afa4eee53a7bc619d3011c55a8ed279dafb7d5e632736b620988e58aec4cad6cdddd0b0fd09f23ce7962e49769ec768e2d0091a1563c6534e38c0817998cafb23d40ad4f1af0af95bd2a2b6a304e913a24a93761931a7974d59d71c7"}, &(0x7f0000000540)={0x0, 0xa, 0x1, 0x5}, &(0x7f0000000640)={0x0, 0x8, 0x1, 0x3}}) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, &(0x7f0000001480)={0x44, &(0x7f0000001180)=ANY=[@ANYBLOB="000001"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r2, 0x0, 0x0) r3 = syz_open_dev$evdev(&(0x7f0000000040), 0x8000000000000000, 0x400000) ioctl$EVIOCGPHYS(r3, 0x80404507, &(0x7f0000000240)=""/236) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) syz_usb_control_io$printer(r2, 0x0, &(0x7f0000001540)={0x34, &(0x7f0000001300)=ANY=[@ANYBLOB="0007ebffffff"], 0x0, 0x0, 0x0, 0x0, 0x0}) program crashed: WARNING: held lock freed in device_release_driver_internal single: successfully extracted reproducer found reproducer with 24 syscalls minimizing guilty program testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$evdev-syz_usb_connect-syz_usb_connect-syz_usb_control_io-syz_usb_ep_write$ath9k_ep1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-syz_usb_connect-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-ioctl$EVIOCGPHYS-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1 detailed listing: executing program 0: syz_open_dev$evdev(&(0x7f00000000c0), 0x2000000003, 0x903d41) syz_usb_connect(0x3, 0x63, &(0x7f0000000740)={{0x12, 0x1, 0x310, 0x78, 0xe8, 0x72, 0x20, 0x1f71, 0x3306, 0x2ac0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x2, 0x3, 0x1, 0x80, 0x5, "", [{{0x9, 0x4, 0xdf, 0x0, 0x0, 0x46, 0x35, 0x34, 0xf}}, {{0x9, 0x4, 0x19, 0x6, 0x5, 0xfb, 0xdc, 0x42, 0x0, [], [{{0x9, 0x5, 0x80, 0x10, 0x200, 0x6, 0x6, 0x4, [@generic={0x9, 0x4, "df9b52d017dc73"}]}}, {{0x9, 0x5, 0xd, 0x0, 0x200, 0xaf, 0x2, 0x83}}, {{0x9, 0x5, 0x8b, 0x0, 0x20, 0x1, 0x8, 0x8}}, {{0x9, 0x5, 0x8, 0x0, 0x200, 0x8, 0x1b, 0x6}}, {{0x9, 0x5, 0xe, 0x1, 0x200, 0x3, 0x9, 0x40}}]}}]}}]}}, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0}) r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="1201410130f56920ac05190272f00102030109021b00010000100009045507010349020009058203"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000580)={0x84, &(0x7f0000000340)=ANY=[@ANYBLOB='\x00N\b'], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_ep_write$ath9k_ep1(r0, 0x82, 0x40, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_open_dev$evdev(&(0x7f0000000000), 0x2, 0x0) r1 = syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="03010000ac0fce405d0500904431000000010902120001000080040904"], 0x0) syz_usb_disconnect(r1) r2 = syz_usb_connect(0x0, 0x24, &(0x7f0000000cc0)=ANY=[], 0x0) syz_usb_control_io$cdc_ecm(r2, &(0x7f0000000440)={0x14, &(0x7f0000000380)={0x0, 0x30, 0x2, {0x2, 0x7}}, &(0x7f0000000400)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f0000000680)={0x1c, &(0x7f0000000480)={0x0, 0x1, 0xa3, "af63d59b864db2ae6716d5f9099892104325f3df6f0cb95267a65a44343f2d66af5bfad8556c29e3c3e9c83e4e90ff5c91a53fc240e842a4401df8967f65464913181287ad1950afa4eee53a7bc619d3011c55a8ed279dafb7d5e632736b620988e58aec4cad6cdddd0b0fd09f23ce7962e49769ec768e2d0091a1563c6534e38c0817998cafb23d40ad4f1af0af95bd2a2b6a304e913a24a93761931a7974d59d71c7"}, &(0x7f0000000540)={0x0, 0xa, 0x1, 0x5}, &(0x7f0000000640)={0x0, 0x8, 0x1, 0x3}}) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, &(0x7f0000001480)={0x44, &(0x7f0000001180)=ANY=[@ANYBLOB="000001"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r2, 0x0, 0x0) r3 = syz_open_dev$evdev(&(0x7f0000000040), 0x8000000000000000, 0x400000) ioctl$EVIOCGPHYS(r3, 0x80404507, &(0x7f0000000240)=""/236) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) program crashed: WARNING: held lock freed in device_release_driver_internal testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$evdev-syz_usb_connect-syz_usb_connect-syz_usb_control_io-syz_usb_ep_write$ath9k_ep1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-syz_usb_connect-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-ioctl$EVIOCGPHYS-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$printer detailed listing: executing program 0: syz_open_dev$evdev(&(0x7f00000000c0), 0x2000000003, 0x903d41) syz_usb_connect(0x3, 0x63, &(0x7f0000000740)={{0x12, 0x1, 0x310, 0x78, 0xe8, 0x72, 0x20, 0x1f71, 0x3306, 0x2ac0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x2, 0x3, 0x1, 0x80, 0x5, "", [{{0x9, 0x4, 0xdf, 0x0, 0x0, 0x46, 0x35, 0x34, 0xf}}, {{0x9, 0x4, 0x19, 0x6, 0x5, 0xfb, 0xdc, 0x42, 0x0, [], [{{0x9, 0x5, 0x80, 0x10, 0x200, 0x6, 0x6, 0x4, [@generic={0x9, 0x4, "df9b52d017dc73"}]}}, {{0x9, 0x5, 0xd, 0x0, 0x200, 0xaf, 0x2, 0x83}}, {{0x9, 0x5, 0x8b, 0x0, 0x20, 0x1, 0x8, 0x8}}, {{0x9, 0x5, 0x8, 0x0, 0x200, 0x8, 0x1b, 0x6}}, {{0x9, 0x5, 0xe, 0x1, 0x200, 0x3, 0x9, 0x40}}]}}]}}]}}, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0}) r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="1201410130f56920ac05190272f00102030109021b00010000100009045507010349020009058203"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000580)={0x84, &(0x7f0000000340)=ANY=[@ANYBLOB='\x00N\b'], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_ep_write$ath9k_ep1(r0, 0x82, 0x40, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_open_dev$evdev(&(0x7f0000000000), 0x2, 0x0) r1 = syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="03010000ac0fce405d0500904431000000010902120001000080040904"], 0x0) syz_usb_disconnect(r1) r2 = syz_usb_connect(0x0, 0x24, &(0x7f0000000cc0)=ANY=[], 0x0) syz_usb_control_io$cdc_ecm(r2, &(0x7f0000000440)={0x14, &(0x7f0000000380)={0x0, 0x30, 0x2, {0x2, 0x7}}, &(0x7f0000000400)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f0000000680)={0x1c, &(0x7f0000000480)={0x0, 0x1, 0xa3, "af63d59b864db2ae6716d5f9099892104325f3df6f0cb95267a65a44343f2d66af5bfad8556c29e3c3e9c83e4e90ff5c91a53fc240e842a4401df8967f65464913181287ad1950afa4eee53a7bc619d3011c55a8ed279dafb7d5e632736b620988e58aec4cad6cdddd0b0fd09f23ce7962e49769ec768e2d0091a1563c6534e38c0817998cafb23d40ad4f1af0af95bd2a2b6a304e913a24a93761931a7974d59d71c7"}, &(0x7f0000000540)={0x0, 0xa, 0x1, 0x5}, &(0x7f0000000640)={0x0, 0x8, 0x1, 0x3}}) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, &(0x7f0000001480)={0x44, &(0x7f0000001180)=ANY=[@ANYBLOB="000001"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r2, 0x0, 0x0) r3 = syz_open_dev$evdev(&(0x7f0000000040), 0x8000000000000000, 0x400000) ioctl$EVIOCGPHYS(r3, 0x80404507, &(0x7f0000000240)=""/236) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) syz_usb_control_io$printer(r2, 0x0, 0x0) program crashed: WARNING: held lock freed in device_release_driver_internal testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$evdev-syz_usb_connect-syz_usb_connect-syz_usb_control_io-syz_usb_ep_write$ath9k_ep1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-syz_usb_connect-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-ioctl$EVIOCGPHYS-syz_usb_control_io$printer-syz_usb_control_io$uac1 detailed listing: executing program 0: syz_open_dev$evdev(&(0x7f00000000c0), 0x2000000003, 0x903d41) syz_usb_connect(0x3, 0x63, &(0x7f0000000740)={{0x12, 0x1, 0x310, 0x78, 0xe8, 0x72, 0x20, 0x1f71, 0x3306, 0x2ac0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x2, 0x3, 0x1, 0x80, 0x5, "", [{{0x9, 0x4, 0xdf, 0x0, 0x0, 0x46, 0x35, 0x34, 0xf}}, {{0x9, 0x4, 0x19, 0x6, 0x5, 0xfb, 0xdc, 0x42, 0x0, [], [{{0x9, 0x5, 0x80, 0x10, 0x200, 0x6, 0x6, 0x4, [@generic={0x9, 0x4, "df9b52d017dc73"}]}}, {{0x9, 0x5, 0xd, 0x0, 0x200, 0xaf, 0x2, 0x83}}, {{0x9, 0x5, 0x8b, 0x0, 0x20, 0x1, 0x8, 0x8}}, {{0x9, 0x5, 0x8, 0x0, 0x200, 0x8, 0x1b, 0x6}}, {{0x9, 0x5, 0xe, 0x1, 0x200, 0x3, 0x9, 0x40}}]}}]}}]}}, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0}) r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="1201410130f56920ac05190272f00102030109021b00010000100009045507010349020009058203"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000580)={0x84, &(0x7f0000000340)=ANY=[@ANYBLOB='\x00N\b'], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_ep_write$ath9k_ep1(r0, 0x82, 0x40, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_open_dev$evdev(&(0x7f0000000000), 0x2, 0x0) r1 = syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="03010000ac0fce405d0500904431000000010902120001000080040904"], 0x0) syz_usb_disconnect(r1) r2 = syz_usb_connect(0x0, 0x24, &(0x7f0000000cc0)=ANY=[], 0x0) syz_usb_control_io$cdc_ecm(r2, &(0x7f0000000440)={0x14, &(0x7f0000000380)={0x0, 0x30, 0x2, {0x2, 0x7}}, &(0x7f0000000400)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f0000000680)={0x1c, &(0x7f0000000480)={0x0, 0x1, 0xa3, "af63d59b864db2ae6716d5f9099892104325f3df6f0cb95267a65a44343f2d66af5bfad8556c29e3c3e9c83e4e90ff5c91a53fc240e842a4401df8967f65464913181287ad1950afa4eee53a7bc619d3011c55a8ed279dafb7d5e632736b620988e58aec4cad6cdddd0b0fd09f23ce7962e49769ec768e2d0091a1563c6534e38c0817998cafb23d40ad4f1af0af95bd2a2b6a304e913a24a93761931a7974d59d71c7"}, &(0x7f0000000540)={0x0, 0xa, 0x1, 0x5}, &(0x7f0000000640)={0x0, 0x8, 0x1, 0x3}}) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, &(0x7f0000001480)={0x44, &(0x7f0000001180)=ANY=[@ANYBLOB="000001"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r2, 0x0, 0x0) r3 = syz_open_dev$evdev(&(0x7f0000000040), 0x8000000000000000, 0x400000) ioctl$EVIOCGPHYS(r3, 0x80404507, &(0x7f0000000240)=""/236) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) program crashed: WARNING: held lock freed in device_release_driver_internal testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$evdev-syz_usb_connect-syz_usb_connect-syz_usb_control_io-syz_usb_ep_write$ath9k_ep1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-syz_usb_connect-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-ioctl$EVIOCGPHYS-syz_usb_control_io$printer detailed listing: executing program 0: syz_open_dev$evdev(&(0x7f00000000c0), 0x2000000003, 0x903d41) syz_usb_connect(0x3, 0x63, &(0x7f0000000740)={{0x12, 0x1, 0x310, 0x78, 0xe8, 0x72, 0x20, 0x1f71, 0x3306, 0x2ac0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x2, 0x3, 0x1, 0x80, 0x5, "", [{{0x9, 0x4, 0xdf, 0x0, 0x0, 0x46, 0x35, 0x34, 0xf}}, {{0x9, 0x4, 0x19, 0x6, 0x5, 0xfb, 0xdc, 0x42, 0x0, [], [{{0x9, 0x5, 0x80, 0x10, 0x200, 0x6, 0x6, 0x4, [@generic={0x9, 0x4, "df9b52d017dc73"}]}}, {{0x9, 0x5, 0xd, 0x0, 0x200, 0xaf, 0x2, 0x83}}, {{0x9, 0x5, 0x8b, 0x0, 0x20, 0x1, 0x8, 0x8}}, {{0x9, 0x5, 0x8, 0x0, 0x200, 0x8, 0x1b, 0x6}}, {{0x9, 0x5, 0xe, 0x1, 0x200, 0x3, 0x9, 0x40}}]}}]}}]}}, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0}) r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="1201410130f56920ac05190272f00102030109021b00010000100009045507010349020009058203"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000580)={0x84, &(0x7f0000000340)=ANY=[@ANYBLOB='\x00N\b'], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_ep_write$ath9k_ep1(r0, 0x82, 0x40, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_open_dev$evdev(&(0x7f0000000000), 0x2, 0x0) r1 = syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="03010000ac0fce405d0500904431000000010902120001000080040904"], 0x0) syz_usb_disconnect(r1) r2 = syz_usb_connect(0x0, 0x24, &(0x7f0000000cc0)=ANY=[], 0x0) syz_usb_control_io$cdc_ecm(r2, &(0x7f0000000440)={0x14, &(0x7f0000000380)={0x0, 0x30, 0x2, {0x2, 0x7}}, &(0x7f0000000400)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f0000000680)={0x1c, &(0x7f0000000480)={0x0, 0x1, 0xa3, "af63d59b864db2ae6716d5f9099892104325f3df6f0cb95267a65a44343f2d66af5bfad8556c29e3c3e9c83e4e90ff5c91a53fc240e842a4401df8967f65464913181287ad1950afa4eee53a7bc619d3011c55a8ed279dafb7d5e632736b620988e58aec4cad6cdddd0b0fd09f23ce7962e49769ec768e2d0091a1563c6534e38c0817998cafb23d40ad4f1af0af95bd2a2b6a304e913a24a93761931a7974d59d71c7"}, &(0x7f0000000540)={0x0, 0xa, 0x1, 0x5}, &(0x7f0000000640)={0x0, 0x8, 0x1, 0x3}}) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, &(0x7f0000001480)={0x44, &(0x7f0000001180)=ANY=[@ANYBLOB="000001"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r2, 0x0, 0x0) r3 = syz_open_dev$evdev(&(0x7f0000000040), 0x8000000000000000, 0x400000) ioctl$EVIOCGPHYS(r3, 0x80404507, &(0x7f0000000240)=""/236) syz_usb_control_io$printer(r2, 0x0, 0x0) program crashed: lost connection to test machine ignore low priority crash: lost connection to test machine testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$evdev-syz_usb_connect-syz_usb_connect-syz_usb_control_io-syz_usb_ep_write$ath9k_ep1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-syz_usb_connect-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-ioctl$EVIOCGPHYS-syz_usb_control_io$uac1 detailed listing: executing program 0: syz_open_dev$evdev(&(0x7f00000000c0), 0x2000000003, 0x903d41) syz_usb_connect(0x3, 0x63, &(0x7f0000000740)={{0x12, 0x1, 0x310, 0x78, 0xe8, 0x72, 0x20, 0x1f71, 0x3306, 0x2ac0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x2, 0x3, 0x1, 0x80, 0x5, "", [{{0x9, 0x4, 0xdf, 0x0, 0x0, 0x46, 0x35, 0x34, 0xf}}, {{0x9, 0x4, 0x19, 0x6, 0x5, 0xfb, 0xdc, 0x42, 0x0, [], [{{0x9, 0x5, 0x80, 0x10, 0x200, 0x6, 0x6, 0x4, [@generic={0x9, 0x4, "df9b52d017dc73"}]}}, {{0x9, 0x5, 0xd, 0x0, 0x200, 0xaf, 0x2, 0x83}}, {{0x9, 0x5, 0x8b, 0x0, 0x20, 0x1, 0x8, 0x8}}, {{0x9, 0x5, 0x8, 0x0, 0x200, 0x8, 0x1b, 0x6}}, {{0x9, 0x5, 0xe, 0x1, 0x200, 0x3, 0x9, 0x40}}]}}]}}]}}, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0}) r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="1201410130f56920ac05190272f00102030109021b00010000100009045507010349020009058203"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000580)={0x84, &(0x7f0000000340)=ANY=[@ANYBLOB='\x00N\b'], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_ep_write$ath9k_ep1(r0, 0x82, 0x40, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_open_dev$evdev(&(0x7f0000000000), 0x2, 0x0) r1 = syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="03010000ac0fce405d0500904431000000010902120001000080040904"], 0x0) syz_usb_disconnect(r1) r2 = syz_usb_connect(0x0, 0x24, &(0x7f0000000cc0)=ANY=[], 0x0) syz_usb_control_io$cdc_ecm(r2, &(0x7f0000000440)={0x14, &(0x7f0000000380)={0x0, 0x30, 0x2, {0x2, 0x7}}, &(0x7f0000000400)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f0000000680)={0x1c, &(0x7f0000000480)={0x0, 0x1, 0xa3, "af63d59b864db2ae6716d5f9099892104325f3df6f0cb95267a65a44343f2d66af5bfad8556c29e3c3e9c83e4e90ff5c91a53fc240e842a4401df8967f65464913181287ad1950afa4eee53a7bc619d3011c55a8ed279dafb7d5e632736b620988e58aec4cad6cdddd0b0fd09f23ce7962e49769ec768e2d0091a1563c6534e38c0817998cafb23d40ad4f1af0af95bd2a2b6a304e913a24a93761931a7974d59d71c7"}, &(0x7f0000000540)={0x0, 0xa, 0x1, 0x5}, &(0x7f0000000640)={0x0, 0x8, 0x1, 0x3}}) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, &(0x7f0000001480)={0x44, &(0x7f0000001180)=ANY=[@ANYBLOB="000001"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r2, 0x0, 0x0) r3 = syz_open_dev$evdev(&(0x7f0000000040), 0x8000000000000000, 0x400000) ioctl$EVIOCGPHYS(r3, 0x80404507, &(0x7f0000000240)=""/236) syz_usb_control_io$uac1(r2, 0x0, 0x0) program crashed: lost connection to test machine ignore low priority crash: lost connection to test machine testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$evdev-syz_usb_connect-syz_usb_connect-syz_usb_control_io-syz_usb_ep_write$ath9k_ep1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-syz_usb_connect-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-syz_usb_control_io$printer-syz_usb_control_io$uac1 detailed listing: executing program 0: syz_open_dev$evdev(&(0x7f00000000c0), 0x2000000003, 0x903d41) syz_usb_connect(0x3, 0x63, &(0x7f0000000740)={{0x12, 0x1, 0x310, 0x78, 0xe8, 0x72, 0x20, 0x1f71, 0x3306, 0x2ac0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x2, 0x3, 0x1, 0x80, 0x5, "", [{{0x9, 0x4, 0xdf, 0x0, 0x0, 0x46, 0x35, 0x34, 0xf}}, {{0x9, 0x4, 0x19, 0x6, 0x5, 0xfb, 0xdc, 0x42, 0x0, [], [{{0x9, 0x5, 0x80, 0x10, 0x200, 0x6, 0x6, 0x4, [@generic={0x9, 0x4, "df9b52d017dc73"}]}}, {{0x9, 0x5, 0xd, 0x0, 0x200, 0xaf, 0x2, 0x83}}, {{0x9, 0x5, 0x8b, 0x0, 0x20, 0x1, 0x8, 0x8}}, {{0x9, 0x5, 0x8, 0x0, 0x200, 0x8, 0x1b, 0x6}}, {{0x9, 0x5, 0xe, 0x1, 0x200, 0x3, 0x9, 0x40}}]}}]}}]}}, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0}) r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="1201410130f56920ac05190272f00102030109021b00010000100009045507010349020009058203"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000580)={0x84, &(0x7f0000000340)=ANY=[@ANYBLOB='\x00N\b'], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_ep_write$ath9k_ep1(r0, 0x82, 0x40, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_open_dev$evdev(&(0x7f0000000000), 0x2, 0x0) r1 = syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="03010000ac0fce405d0500904431000000010902120001000080040904"], 0x0) syz_usb_disconnect(r1) r2 = syz_usb_connect(0x0, 0x24, &(0x7f0000000cc0)=ANY=[], 0x0) syz_usb_control_io$cdc_ecm(r2, &(0x7f0000000440)={0x14, &(0x7f0000000380)={0x0, 0x30, 0x2, {0x2, 0x7}}, &(0x7f0000000400)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f0000000680)={0x1c, &(0x7f0000000480)={0x0, 0x1, 0xa3, "af63d59b864db2ae6716d5f9099892104325f3df6f0cb95267a65a44343f2d66af5bfad8556c29e3c3e9c83e4e90ff5c91a53fc240e842a4401df8967f65464913181287ad1950afa4eee53a7bc619d3011c55a8ed279dafb7d5e632736b620988e58aec4cad6cdddd0b0fd09f23ce7962e49769ec768e2d0091a1563c6534e38c0817998cafb23d40ad4f1af0af95bd2a2b6a304e913a24a93761931a7974d59d71c7"}, &(0x7f0000000540)={0x0, 0xa, 0x1, 0x5}, &(0x7f0000000640)={0x0, 0x8, 0x1, 0x3}}) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, &(0x7f0000001480)={0x44, &(0x7f0000001180)=ANY=[@ANYBLOB="000001"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r2, 0x0, 0x0) syz_open_dev$evdev(&(0x7f0000000040), 0x8000000000000000, 0x400000) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) minimization failed with failed to copy syz-executor to VM: scp failed: failed to run ["scp" "-P" "57505" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "-O" "/syzkaller/syzkaller/current/bin/linux_amd64/syz-executor" "root@localhost:/syz-executor"]: exit status 1 extracting C reproducer testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$evdev-syz_usb_connect-syz_usb_connect-syz_usb_control_io-syz_usb_ep_write$ath9k_ep1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-syz_usb_connect-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-ioctl$EVIOCGPHYS-syz_usb_control_io$printer-syz_usb_control_io$uac1 program crashed: WARNING: held lock freed in device_release_driver_internal simplifying C reproducer testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$evdev-syz_usb_connect-syz_usb_connect-syz_usb_control_io-syz_usb_ep_write$ath9k_ep1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-syz_usb_connect-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-ioctl$EVIOCGPHYS-syz_usb_control_io$printer-syz_usb_control_io$uac1 program did not crash testing compiled C program (duration=1m40s, {Threaded:true 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_open_dev$evdev-syz_usb_connect-syz_usb_connect-syz_usb_control_io-syz_usb_ep_write$ath9k_ep1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-syz_usb_connect-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-ioctl$EVIOCGPHYS-syz_usb_control_io$printer-syz_usb_control_io$uac1 program crashed: WARNING: held lock freed in device_release_driver_internal testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$evdev-syz_usb_connect-syz_usb_connect-syz_usb_control_io-syz_usb_ep_write$ath9k_ep1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-syz_usb_connect-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-ioctl$EVIOCGPHYS-syz_usb_control_io$printer-syz_usb_control_io$uac1 program crashed: WARNING: held lock freed in device_release_driver_internal testing compiled C program (duration=1m40s, {Threaded:true 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:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$evdev-syz_usb_connect-syz_usb_connect-syz_usb_control_io-syz_usb_ep_write$ath9k_ep1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-syz_usb_connect-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-ioctl$EVIOCGPHYS-syz_usb_control_io$printer-syz_usb_control_io$uac1 program crashed: WARNING: held lock freed in device_release_driver_internal testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$evdev-syz_usb_connect-syz_usb_connect-syz_usb_control_io-syz_usb_ep_write$ath9k_ep1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-syz_usb_connect-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-ioctl$EVIOCGPHYS-syz_usb_control_io$printer-syz_usb_control_io$uac1 program crashed: WARNING: held lock freed in device_release_driver_internal testing compiled C program (duration=1m40s, {Threaded:true 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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$evdev-syz_usb_connect-syz_usb_connect-syz_usb_control_io-syz_usb_ep_write$ath9k_ep1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-syz_usb_connect-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-ioctl$EVIOCGPHYS-syz_usb_control_io$printer-syz_usb_control_io$uac1 program crashed: WARNING: held lock freed in device_release_driver_internal testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$evdev-syz_usb_connect-syz_usb_connect-syz_usb_control_io-syz_usb_ep_write$ath9k_ep1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-syz_usb_connect-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-ioctl$EVIOCGPHYS-syz_usb_control_io$printer-syz_usb_control_io$uac1 program crashed: WARNING: held lock freed in device_release_driver_internal testing program (duration=1m40s, {Threaded:true 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$evdev-syz_usb_connect-syz_usb_connect-syz_usb_control_io-syz_usb_ep_write$ath9k_ep1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-syz_usb_connect-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-ioctl$EVIOCGPHYS-syz_usb_control_io$printer-syz_usb_control_io$uac1 detailed listing: executing program 0: syz_open_dev$evdev(&(0x7f00000000c0), 0x2000000003, 0x903d41) syz_usb_connect(0x3, 0x63, &(0x7f0000000740)={{0x12, 0x1, 0x310, 0x78, 0xe8, 0x72, 0x20, 0x1f71, 0x3306, 0x2ac0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x2, 0x3, 0x1, 0x80, 0x5, "", [{{0x9, 0x4, 0xdf, 0x0, 0x0, 0x46, 0x35, 0x34, 0xf}}, {{0x9, 0x4, 0x19, 0x6, 0x5, 0xfb, 0xdc, 0x42, 0x0, [], [{{0x9, 0x5, 0x80, 0x10, 0x200, 0x6, 0x6, 0x4, [@generic={0x9, 0x4, "df9b52d017dc73"}]}}, {{0x9, 0x5, 0xd, 0x0, 0x200, 0xaf, 0x2, 0x83}}, {{0x9, 0x5, 0x8b, 0x0, 0x20, 0x1, 0x8, 0x8}}, {{0x9, 0x5, 0x8, 0x0, 0x200, 0x8, 0x1b, 0x6}}, {{0x9, 0x5, 0xe, 0x1, 0x200, 0x3, 0x9, 0x40}}]}}]}}]}}, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0}) r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="1201410130f56920ac05190272f00102030109021b00010000100009045507010349020009058203"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000580)={0x84, &(0x7f0000000340)=ANY=[@ANYBLOB='\x00N\b'], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_ep_write$ath9k_ep1(r0, 0x82, 0x40, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_open_dev$evdev(&(0x7f0000000000), 0x2, 0x0) r1 = syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="03010000ac0fce405d0500904431000000010902120001000080040904"], 0x0) syz_usb_disconnect(r1) r2 = syz_usb_connect(0x0, 0x24, &(0x7f0000000cc0)=ANY=[], 0x0) syz_usb_control_io$cdc_ecm(r2, &(0x7f0000000440)={0x14, &(0x7f0000000380)={0x0, 0x30, 0x2, {0x2, 0x7}}, &(0x7f0000000400)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f0000000680)={0x1c, &(0x7f0000000480)={0x0, 0x1, 0xa3, "af63d59b864db2ae6716d5f9099892104325f3df6f0cb95267a65a44343f2d66af5bfad8556c29e3c3e9c83e4e90ff5c91a53fc240e842a4401df8967f65464913181287ad1950afa4eee53a7bc619d3011c55a8ed279dafb7d5e632736b620988e58aec4cad6cdddd0b0fd09f23ce7962e49769ec768e2d0091a1563c6534e38c0817998cafb23d40ad4f1af0af95bd2a2b6a304e913a24a93761931a7974d59d71c7"}, &(0x7f0000000540)={0x0, 0xa, 0x1, 0x5}, &(0x7f0000000640)={0x0, 0x8, 0x1, 0x3}}) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, &(0x7f0000001480)={0x44, &(0x7f0000001180)=ANY=[@ANYBLOB="000001"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r2, 0x0, 0x0) r3 = syz_open_dev$evdev(&(0x7f0000000040), 0x8000000000000000, 0x400000) ioctl$EVIOCGPHYS(r3, 0x80404507, &(0x7f0000000240)=""/236) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) program crashed: lost connection to test machine ignore low priority crash: lost connection to test machine validation run: crashed=false testing program (duration=1m40s, {Threaded:true 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$evdev-syz_usb_connect-syz_usb_connect-syz_usb_control_io-syz_usb_ep_write$ath9k_ep1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-syz_usb_connect-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-ioctl$EVIOCGPHYS-syz_usb_control_io$printer-syz_usb_control_io$uac1 detailed listing: executing program 0: syz_open_dev$evdev(&(0x7f00000000c0), 0x2000000003, 0x903d41) syz_usb_connect(0x3, 0x63, &(0x7f0000000740)={{0x12, 0x1, 0x310, 0x78, 0xe8, 0x72, 0x20, 0x1f71, 0x3306, 0x2ac0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x2, 0x3, 0x1, 0x80, 0x5, "", [{{0x9, 0x4, 0xdf, 0x0, 0x0, 0x46, 0x35, 0x34, 0xf}}, {{0x9, 0x4, 0x19, 0x6, 0x5, 0xfb, 0xdc, 0x42, 0x0, [], [{{0x9, 0x5, 0x80, 0x10, 0x200, 0x6, 0x6, 0x4, [@generic={0x9, 0x4, "df9b52d017dc73"}]}}, {{0x9, 0x5, 0xd, 0x0, 0x200, 0xaf, 0x2, 0x83}}, {{0x9, 0x5, 0x8b, 0x0, 0x20, 0x1, 0x8, 0x8}}, {{0x9, 0x5, 0x8, 0x0, 0x200, 0x8, 0x1b, 0x6}}, {{0x9, 0x5, 0xe, 0x1, 0x200, 0x3, 0x9, 0x40}}]}}]}}]}}, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0}) r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="1201410130f56920ac05190272f00102030109021b00010000100009045507010349020009058203"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000580)={0x84, &(0x7f0000000340)=ANY=[@ANYBLOB='\x00N\b'], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_ep_write$ath9k_ep1(r0, 0x82, 0x40, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_open_dev$evdev(&(0x7f0000000000), 0x2, 0x0) r1 = syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="03010000ac0fce405d0500904431000000010902120001000080040904"], 0x0) syz_usb_disconnect(r1) r2 = syz_usb_connect(0x0, 0x24, &(0x7f0000000cc0)=ANY=[], 0x0) syz_usb_control_io$cdc_ecm(r2, &(0x7f0000000440)={0x14, &(0x7f0000000380)={0x0, 0x30, 0x2, {0x2, 0x7}}, &(0x7f0000000400)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f0000000680)={0x1c, &(0x7f0000000480)={0x0, 0x1, 0xa3, "af63d59b864db2ae6716d5f9099892104325f3df6f0cb95267a65a44343f2d66af5bfad8556c29e3c3e9c83e4e90ff5c91a53fc240e842a4401df8967f65464913181287ad1950afa4eee53a7bc619d3011c55a8ed279dafb7d5e632736b620988e58aec4cad6cdddd0b0fd09f23ce7962e49769ec768e2d0091a1563c6534e38c0817998cafb23d40ad4f1af0af95bd2a2b6a304e913a24a93761931a7974d59d71c7"}, &(0x7f0000000540)={0x0, 0xa, 0x1, 0x5}, &(0x7f0000000640)={0x0, 0x8, 0x1, 0x3}}) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, &(0x7f0000001480)={0x44, &(0x7f0000001180)=ANY=[@ANYBLOB="000001"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r2, 0x0, 0x0) r3 = syz_open_dev$evdev(&(0x7f0000000040), 0x8000000000000000, 0x400000) ioctl$EVIOCGPHYS(r3, 0x80404507, &(0x7f0000000240)=""/236) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) program crashed: WARNING: held lock freed in device_release_driver_internal validation run: crashed=true testing program (duration=1m40s, {Threaded:true 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$evdev-syz_usb_connect-syz_usb_connect-syz_usb_control_io-syz_usb_ep_write$ath9k_ep1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-syz_usb_connect-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-ioctl$EVIOCGPHYS-syz_usb_control_io$printer-syz_usb_control_io$uac1 detailed listing: executing program 0: syz_open_dev$evdev(&(0x7f00000000c0), 0x2000000003, 0x903d41) syz_usb_connect(0x3, 0x63, &(0x7f0000000740)={{0x12, 0x1, 0x310, 0x78, 0xe8, 0x72, 0x20, 0x1f71, 0x3306, 0x2ac0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x2, 0x3, 0x1, 0x80, 0x5, "", [{{0x9, 0x4, 0xdf, 0x0, 0x0, 0x46, 0x35, 0x34, 0xf}}, {{0x9, 0x4, 0x19, 0x6, 0x5, 0xfb, 0xdc, 0x42, 0x0, [], [{{0x9, 0x5, 0x80, 0x10, 0x200, 0x6, 0x6, 0x4, [@generic={0x9, 0x4, "df9b52d017dc73"}]}}, {{0x9, 0x5, 0xd, 0x0, 0x200, 0xaf, 0x2, 0x83}}, {{0x9, 0x5, 0x8b, 0x0, 0x20, 0x1, 0x8, 0x8}}, {{0x9, 0x5, 0x8, 0x0, 0x200, 0x8, 0x1b, 0x6}}, {{0x9, 0x5, 0xe, 0x1, 0x200, 0x3, 0x9, 0x40}}]}}]}}]}}, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0}) r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="1201410130f56920ac05190272f00102030109021b00010000100009045507010349020009058203"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000580)={0x84, &(0x7f0000000340)=ANY=[@ANYBLOB='\x00N\b'], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_ep_write$ath9k_ep1(r0, 0x82, 0x40, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_open_dev$evdev(&(0x7f0000000000), 0x2, 0x0) r1 = syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="03010000ac0fce405d0500904431000000010902120001000080040904"], 0x0) syz_usb_disconnect(r1) r2 = syz_usb_connect(0x0, 0x24, &(0x7f0000000cc0)=ANY=[], 0x0) syz_usb_control_io$cdc_ecm(r2, &(0x7f0000000440)={0x14, &(0x7f0000000380)={0x0, 0x30, 0x2, {0x2, 0x7}}, &(0x7f0000000400)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f0000000680)={0x1c, &(0x7f0000000480)={0x0, 0x1, 0xa3, "af63d59b864db2ae6716d5f9099892104325f3df6f0cb95267a65a44343f2d66af5bfad8556c29e3c3e9c83e4e90ff5c91a53fc240e842a4401df8967f65464913181287ad1950afa4eee53a7bc619d3011c55a8ed279dafb7d5e632736b620988e58aec4cad6cdddd0b0fd09f23ce7962e49769ec768e2d0091a1563c6534e38c0817998cafb23d40ad4f1af0af95bd2a2b6a304e913a24a93761931a7974d59d71c7"}, &(0x7f0000000540)={0x0, 0xa, 0x1, 0x5}, &(0x7f0000000640)={0x0, 0x8, 0x1, 0x3}}) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, &(0x7f0000001480)={0x44, &(0x7f0000001180)=ANY=[@ANYBLOB="000001"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r2, 0x0, 0x0) r3 = syz_open_dev$evdev(&(0x7f0000000040), 0x8000000000000000, 0x400000) ioctl$EVIOCGPHYS(r3, 0x80404507, &(0x7f0000000240)=""/236) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) program crashed: WARNING: held lock freed in device_release_driver_internal validation run: crashed=true testing program (duration=1m40s, {Threaded:true 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$evdev-syz_usb_connect-syz_usb_connect-syz_usb_control_io-syz_usb_ep_write$ath9k_ep1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-syz_usb_connect-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm-syz_open_dev$evdev-ioctl$EVIOCGPHYS-syz_usb_control_io$printer-syz_usb_control_io$uac1 detailed listing: executing program 0: syz_open_dev$evdev(&(0x7f00000000c0), 0x2000000003, 0x903d41) syz_usb_connect(0x3, 0x63, &(0x7f0000000740)={{0x12, 0x1, 0x310, 0x78, 0xe8, 0x72, 0x20, 0x1f71, 0x3306, 0x2ac0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x2, 0x3, 0x1, 0x80, 0x5, "", [{{0x9, 0x4, 0xdf, 0x0, 0x0, 0x46, 0x35, 0x34, 0xf}}, {{0x9, 0x4, 0x19, 0x6, 0x5, 0xfb, 0xdc, 0x42, 0x0, [], [{{0x9, 0x5, 0x80, 0x10, 0x200, 0x6, 0x6, 0x4, [@generic={0x9, 0x4, "df9b52d017dc73"}]}}, {{0x9, 0x5, 0xd, 0x0, 0x200, 0xaf, 0x2, 0x83}}, {{0x9, 0x5, 0x8b, 0x0, 0x20, 0x1, 0x8, 0x8}}, {{0x9, 0x5, 0x8, 0x0, 0x200, 0x8, 0x1b, 0x6}}, {{0x9, 0x5, 0xe, 0x1, 0x200, 0x3, 0x9, 0x40}}]}}]}}]}}, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0}) r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="1201410130f56920ac05190272f00102030109021b00010000100009045507010349020009058203"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000580)={0x84, &(0x7f0000000340)=ANY=[@ANYBLOB='\x00N\b'], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_ep_write$ath9k_ep1(r0, 0x82, 0x40, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_open_dev$evdev(&(0x7f0000000000), 0x2, 0x0) r1 = syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="03010000ac0fce405d0500904431000000010902120001000080040904"], 0x0) syz_usb_disconnect(r1) r2 = syz_usb_connect(0x0, 0x24, &(0x7f0000000cc0)=ANY=[], 0x0) syz_usb_control_io$cdc_ecm(r2, &(0x7f0000000440)={0x14, &(0x7f0000000380)={0x0, 0x30, 0x2, {0x2, 0x7}}, &(0x7f0000000400)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f0000000680)={0x1c, &(0x7f0000000480)={0x0, 0x1, 0xa3, "af63d59b864db2ae6716d5f9099892104325f3df6f0cb95267a65a44343f2d66af5bfad8556c29e3c3e9c83e4e90ff5c91a53fc240e842a4401df8967f65464913181287ad1950afa4eee53a7bc619d3011c55a8ed279dafb7d5e632736b620988e58aec4cad6cdddd0b0fd09f23ce7962e49769ec768e2d0091a1563c6534e38c0817998cafb23d40ad4f1af0af95bd2a2b6a304e913a24a93761931a7974d59d71c7"}, &(0x7f0000000540)={0x0, 0xa, 0x1, 0x5}, &(0x7f0000000640)={0x0, 0x8, 0x1, 0x3}}) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, &(0x7f0000001480)={0x44, &(0x7f0000001180)=ANY=[@ANYBLOB="000001"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r2, 0x0, 0x0) r3 = syz_open_dev$evdev(&(0x7f0000000040), 0x8000000000000000, 0x400000) ioctl$EVIOCGPHYS(r3, 0x80404507, &(0x7f0000000240)=""/236) syz_usb_control_io$printer(r2, 0x0, 0x0) syz_usb_control_io$uac1(r2, 0x0, 0x0) program crashed: WARNING: held lock freed in device_release_driver_internal validation run: crashed=true reproducing took 38m0.966154337s repro crashed as (corrupted=false): usb 5-1: USB disconnect, device number 2 ========================= WARNING: held lock freed! syzkaller #0 Not tainted ------------------------- kworker/0:6/5399 is freeing memory ffff88803ef4c000-ffff88803ef4c7ff, with a lock still held there! ffff88803ef4c1a0 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1104 [inline] ffff88803ef4c1a0 (&dev->mutex){....}-{4:4}, at: __device_driver_lock drivers/base/dd.c:1171 [inline] ffff88803ef4c1a0 (&dev->mutex){....}-{4:4}, at: device_release_driver_internal+0xb9/0x880 drivers/base/dd.c:1369 locks held by kworker/0:6/5399: 5, last CPU#0: #0: ffff88801f764d40 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88801f764d40 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88801f764d40 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3361 [inline] #0: ffff88801f764d40 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3479 #1: ffffc90003297c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc90003297c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc90003297c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3361 [inline] #1: ffffc90003297c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3479 #2: ffff88801f5d81d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1104 [inline] #2: ffff88801f5d81d8 (&dev->mutex){....}-{4:4}, at: hub_event+0x184/0x4d30 drivers/usb/core/hub.c:5912 #3: ffff88803fc981d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1104 [inline] #3: ffff88803fc981d8 (&dev->mutex){....}-{4:4}, at: usb_disconnect+0xfc/0x9a0 drivers/usb/core/hub.c:2341 #4: ffff88803ef4c1a0 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1104 [inline] #4: ffff88803ef4c1a0 (&dev->mutex){....}-{4:4}, at: __device_driver_lock drivers/base/dd.c:1171 [inline] #4: ffff88803ef4c1a0 (&dev->mutex){....}-{4:4}, at: device_release_driver_internal+0xb9/0x880 drivers/base/dd.c:1369 stack backtrace: CPU: 0 UID: 0 PID: 5399 Comm: kworker/0:6 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Workqueue: usb_hub_wq hub_event Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_freed_lock_bug kernel/locking/lockdep.c:6789 [inline] debug_check_no_locks_freed+0x149/0x170 kernel/locking/lockdep.c:6824 slab_free_hook mm/slub.c:2676 [inline] slab_free mm/slub.c:6508 [inline] kfree+0x12b/0x650 mm/slub.c:6801 device_release+0xc4/0x1f0 drivers/base/core.c:-1 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x222/0x550 lib/kobject.c:737 v4l2_device_disconnect+0x79/0xd0 drivers/media/v4l2-core/v4l2-device.c:83 usbtv_video_free+0x25/0x30 drivers/media/usb/usbtv/usbtv-video.c:967 usbtv_disconnect+0x5c/0xa0 drivers/media/usb/usbtv/usbtv-core.c:140 usb_unbind_interface+0x295/0x9f0 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:618 [inline] __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x4f5/0x880 drivers/base/dd.c:1372 bus_remove_device+0x444/0x560 drivers/base/bus.c:664 device_del+0x524/0x8f0 drivers/base/core.c:3965 usb_disable_device+0x3d4/0x8d0 drivers/usb/core/message.c:1478 usb_disconnect+0x346/0x9a0 drivers/usb/core/hub.c:2350 hub_port_connect drivers/usb/core/hub.c:5420 [inline] hub_port_connect_change drivers/usb/core/hub.c:5720 [inline] port_event drivers/usb/core/hub.c:5884 [inline] hub_event+0x1bbb/0x4d30 drivers/usb/core/hub.c:5966 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ================================================================== BUG: KASAN: slab-use-after-free in usb_unbind_interface+0x2c2/0x9f0 drivers/usb/core/driver.c:464 Read of size 8 at addr ffff88803ef4c008 by task kworker/0:6/5399 CPU: 0 UID: 0 PID: 5399 Comm: kworker/0:6 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Workqueue: usb_hub_wq hub_event Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_address_description+0x55/0x1e0 mm/kasan/report.c:378 print_report+0x58/0x70 mm/kasan/report.c:482 kasan_report+0x117/0x150 mm/kasan/report.c:595 usb_unbind_interface+0x2c2/0x9f0 drivers/usb/core/driver.c:464 device_remove drivers/base/dd.c:618 [inline] __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x4f5/0x880 drivers/base/dd.c:1372 bus_remove_device+0x444/0x560 drivers/base/bus.c:664 device_del+0x524/0x8f0 drivers/base/core.c:3965 usb_disable_device+0x3d4/0x8d0 drivers/usb/core/message.c:1478 usb_disconnect+0x346/0x9a0 drivers/usb/core/hub.c:2350 hub_port_connect drivers/usb/core/hub.c:5420 [inline] hub_port_connect_change drivers/usb/core/hub.c:5720 [inline] port_event drivers/usb/core/hub.c:5884 [inline] hub_event+0x1bbb/0x4d30 drivers/usb/core/hub.c:5966 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Allocated by task 5399: kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 poison_kmalloc_redzone mm/kasan/common.c:398 [inline] __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415 kasan_kmalloc include/linux/kasan.h:263 [inline] __kmalloc_cache_noprof+0x321/0x600 mm/slub.c:5563 _kmalloc_noprof include/linux/slab.h:991 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] usb_set_configuration+0x3cc/0x2180 drivers/usb/core/message.c:2096 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250 usb_probe_device+0x1c3/0x3b0 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x254/0xae0 drivers/base/dd.c:706 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898 __device_attach_driver+0x270/0x410 drivers/base/dd.c:1026 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500 __device_attach+0x2c4/0x450 drivers/base/dd.c:1098 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153 bus_probe_device+0x12a/0x220 drivers/base/bus.c:620 device_add+0x7d7/0xb80 drivers/base/core.c:3776 usb_new_device+0x9aa/0x1690 drivers/usb/core/hub.c:2708 hub_port_connect drivers/usb/core/hub.c:5580 [inline] hub_port_connect_change drivers/usb/core/hub.c:5720 [inline] port_event drivers/usb/core/hub.c:5884 [inline] hub_event+0x28e8/0x4d30 drivers/usb/core/hub.c:5966 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Freed by task 5399: kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:253 [inline] __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2748 [inline] slab_free mm/slub.c:6508 [inline] kfree+0x1c5/0x650 mm/slub.c:6801 device_release+0xc4/0x1f0 drivers/base/core.c:-1 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x222/0x550 lib/kobject.c:737 v4l2_device_disconnect+0x79/0xd0 drivers/media/v4l2-core/v4l2-device.c:83 usbtv_video_free+0x25/0x30 drivers/media/usb/usbtv/usbtv-video.c:967 usbtv_disconnect+0x5c/0xa0 drivers/media/usb/usbtv/usbtv-core.c:140 usb_unbind_interface+0x295/0x9f0 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:618 [inline] __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x4f5/0x880 drivers/base/dd.c:1372 bus_remove_device+0x444/0x560 drivers/base/bus.c:664 device_del+0x524/0x8f0 drivers/base/core.c:3965 usb_disable_device+0x3d4/0x8d0 drivers/usb/core/message.c:1478 usb_disconnect+0x346/0x9a0 drivers/usb/core/hub.c:2350 hub_port_connect drivers/usb/core/hub.c:5420 [inline] hub_port_connect_change drivers/usb/core/hub.c:5720 [inline] port_event drivers/usb/core/hub.c:5884 [inline] hub_event+0x1bbb/0x4d30 drivers/usb/core/hub.c:5966 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 The buggy address belongs to the object at ffff88803ef4c000 which belongs to the cache kmalloc-2k of size 2048 The buggy address is located 8 bytes inside of freed 2048-byte region [ffff88803ef4c000, ffff88803ef4c800) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88803ef4e000 pfn:0x3ef48 head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0x4fff00000000240(workingset|head|node=1|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 04fff00000000240 ffff88801b042000 ffffea0000ff2610 ffffea0000f18810 raw: ffff88803ef4e000 0000000000080005 00000000f5000000 0000000000000000 head: 04fff00000000240 ffff88801b042000 ffffea0000ff2610 ffffea0000f18810 head: ffff88803ef4e000 0000000000080005 00000000f5000000 0000000000000000 head: 04fff00000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 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 5329, tgid 5329 (syz-executor), ts 121977350445 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1871 prep_new_page mm/page_alloc.c:1879 [inline] get_page_from_freelist+0x2209/0x2280 mm/page_alloc.c:3943 __alloc_frozen_pages_noprof+0x217/0x5a0 mm/page_alloc.c:5436 alloc_slab_page mm/slub.c:3347 [inline] allocate_slab+0x7d/0x620 mm/slub.c:3462 new_slab mm/slub.c:3513 [inline] refill_objects+0x2d5/0x350 mm/slub.c:7417 refill_sheaf mm/slub.c:2885 [inline] __pcs_replace_empty_main+0x2c8/0x6c0 mm/slub.c:4774 alloc_from_pcs mm/slub.c:4850 [inline] slab_alloc_node mm/slub.c:4984 [inline] __do_kmalloc_node mm/slub.c:5413 [inline] __kmalloc_noprof+0x47b/0x720 mm/slub.c:5439 _kmalloc_noprof include/linux/slab.h:995 [inline] sk_prot_alloc+0xe7/0x210 net/core/sock.c:2252 sk_alloc+0x3a/0x390 net/core/sock.c:2308 __netlink_create+0x62/0x260 net/netlink/af_netlink.c:627 __netlink_kernel_create+0x13d/0x720 net/netlink/af_netlink.c:2043 netlink_kernel_create include/linux/netlink.h:62 [inline] rtnetlink_net_init+0xb1/0x140 net/core/rtnetlink.c:7221 ops_init+0x35d/0x5d0 net/core/net_namespace.c:137 setup_net+0x118/0x350 net/core/net_namespace.c:443 copy_net_ns+0x53b/0x780 net/core/net_namespace.c:582 create_new_namespaces+0x3f0/0x6b0 kernel/nsproxy.c:132 page last free pid 51 tgid 51 ts 118842037838 stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] __free_pages_prepare mm/page_alloc.c:1418 [inline] __free_pages_ok+0xb6c/0xc60 mm/page_alloc.c:1596 ovs_ct_limit_exit_finish net/openvswitch/conntrack.c:1635 [inline] ovs_ct_exit_finish+0xa0/0x210 net/openvswitch/conntrack.c:2058 ovs_exit_net+0xec/0x7a0 net/openvswitch/datapath.c:2761 ops_exit_list net/core/net_namespace.c:200 [inline] ops_undo_list+0x43d/0x8d0 net/core/net_namespace.c:253 cleanup_net+0x572/0x810 net/core/net_namespace.c:706 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Memory state around the buggy address: ffff88803ef4bf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88803ef4bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88803ef4c000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88803ef4c080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88803ef4c100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== final repro crashed as (corrupted=false): usb 5-1: USB disconnect, device number 2 ========================= WARNING: held lock freed! syzkaller #0 Not tainted ------------------------- kworker/0:6/5399 is freeing memory ffff88803ef4c000-ffff88803ef4c7ff, with a lock still held there! ffff88803ef4c1a0 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1104 [inline] ffff88803ef4c1a0 (&dev->mutex){....}-{4:4}, at: __device_driver_lock drivers/base/dd.c:1171 [inline] ffff88803ef4c1a0 (&dev->mutex){....}-{4:4}, at: device_release_driver_internal+0xb9/0x880 drivers/base/dd.c:1369 locks held by kworker/0:6/5399: 5, last CPU#0: #0: ffff88801f764d40 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88801f764d40 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88801f764d40 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3361 [inline] #0: ffff88801f764d40 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3479 #1: ffffc90003297c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc90003297c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc90003297c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3361 [inline] #1: ffffc90003297c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3479 #2: ffff88801f5d81d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1104 [inline] #2: ffff88801f5d81d8 (&dev->mutex){....}-{4:4}, at: hub_event+0x184/0x4d30 drivers/usb/core/hub.c:5912 #3: ffff88803fc981d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1104 [inline] #3: ffff88803fc981d8 (&dev->mutex){....}-{4:4}, at: usb_disconnect+0xfc/0x9a0 drivers/usb/core/hub.c:2341 #4: ffff88803ef4c1a0 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1104 [inline] #4: ffff88803ef4c1a0 (&dev->mutex){....}-{4:4}, at: __device_driver_lock drivers/base/dd.c:1171 [inline] #4: ffff88803ef4c1a0 (&dev->mutex){....}-{4:4}, at: device_release_driver_internal+0xb9/0x880 drivers/base/dd.c:1369 stack backtrace: CPU: 0 UID: 0 PID: 5399 Comm: kworker/0:6 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Workqueue: usb_hub_wq hub_event Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_freed_lock_bug kernel/locking/lockdep.c:6789 [inline] debug_check_no_locks_freed+0x149/0x170 kernel/locking/lockdep.c:6824 slab_free_hook mm/slub.c:2676 [inline] slab_free mm/slub.c:6508 [inline] kfree+0x12b/0x650 mm/slub.c:6801 device_release+0xc4/0x1f0 drivers/base/core.c:-1 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x222/0x550 lib/kobject.c:737 v4l2_device_disconnect+0x79/0xd0 drivers/media/v4l2-core/v4l2-device.c:83 usbtv_video_free+0x25/0x30 drivers/media/usb/usbtv/usbtv-video.c:967 usbtv_disconnect+0x5c/0xa0 drivers/media/usb/usbtv/usbtv-core.c:140 usb_unbind_interface+0x295/0x9f0 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:618 [inline] __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x4f5/0x880 drivers/base/dd.c:1372 bus_remove_device+0x444/0x560 drivers/base/bus.c:664 device_del+0x524/0x8f0 drivers/base/core.c:3965 usb_disable_device+0x3d4/0x8d0 drivers/usb/core/message.c:1478 usb_disconnect+0x346/0x9a0 drivers/usb/core/hub.c:2350 hub_port_connect drivers/usb/core/hub.c:5420 [inline] hub_port_connect_change drivers/usb/core/hub.c:5720 [inline] port_event drivers/usb/core/hub.c:5884 [inline] hub_event+0x1bbb/0x4d30 drivers/usb/core/hub.c:5966 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ================================================================== BUG: KASAN: slab-use-after-free in usb_unbind_interface+0x2c2/0x9f0 drivers/usb/core/driver.c:464 Read of size 8 at addr ffff88803ef4c008 by task kworker/0:6/5399 CPU: 0 UID: 0 PID: 5399 Comm: kworker/0:6 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Workqueue: usb_hub_wq hub_event Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_address_description+0x55/0x1e0 mm/kasan/report.c:378 print_report+0x58/0x70 mm/kasan/report.c:482 kasan_report+0x117/0x150 mm/kasan/report.c:595 usb_unbind_interface+0x2c2/0x9f0 drivers/usb/core/driver.c:464 device_remove drivers/base/dd.c:618 [inline] __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x4f5/0x880 drivers/base/dd.c:1372 bus_remove_device+0x444/0x560 drivers/base/bus.c:664 device_del+0x524/0x8f0 drivers/base/core.c:3965 usb_disable_device+0x3d4/0x8d0 drivers/usb/core/message.c:1478 usb_disconnect+0x346/0x9a0 drivers/usb/core/hub.c:2350 hub_port_connect drivers/usb/core/hub.c:5420 [inline] hub_port_connect_change drivers/usb/core/hub.c:5720 [inline] port_event drivers/usb/core/hub.c:5884 [inline] hub_event+0x1bbb/0x4d30 drivers/usb/core/hub.c:5966 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Allocated by task 5399: kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 poison_kmalloc_redzone mm/kasan/common.c:398 [inline] __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415 kasan_kmalloc include/linux/kasan.h:263 [inline] __kmalloc_cache_noprof+0x321/0x600 mm/slub.c:5563 _kmalloc_noprof include/linux/slab.h:991 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] usb_set_configuration+0x3cc/0x2180 drivers/usb/core/message.c:2096 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250 usb_probe_device+0x1c3/0x3b0 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x254/0xae0 drivers/base/dd.c:706 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898 __device_attach_driver+0x270/0x410 drivers/base/dd.c:1026 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500 __device_attach+0x2c4/0x450 drivers/base/dd.c:1098 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153 bus_probe_device+0x12a/0x220 drivers/base/bus.c:620 device_add+0x7d7/0xb80 drivers/base/core.c:3776 usb_new_device+0x9aa/0x1690 drivers/usb/core/hub.c:2708 hub_port_connect drivers/usb/core/hub.c:5580 [inline] hub_port_connect_change drivers/usb/core/hub.c:5720 [inline] port_event drivers/usb/core/hub.c:5884 [inline] hub_event+0x28e8/0x4d30 drivers/usb/core/hub.c:5966 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Freed by task 5399: kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:253 [inline] __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2748 [inline] slab_free mm/slub.c:6508 [inline] kfree+0x1c5/0x650 mm/slub.c:6801 device_release+0xc4/0x1f0 drivers/base/core.c:-1 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x222/0x550 lib/kobject.c:737 v4l2_device_disconnect+0x79/0xd0 drivers/media/v4l2-core/v4l2-device.c:83 usbtv_video_free+0x25/0x30 drivers/media/usb/usbtv/usbtv-video.c:967 usbtv_disconnect+0x5c/0xa0 drivers/media/usb/usbtv/usbtv-core.c:140 usb_unbind_interface+0x295/0x9f0 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:618 [inline] __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x4f5/0x880 drivers/base/dd.c:1372 bus_remove_device+0x444/0x560 drivers/base/bus.c:664 device_del+0x524/0x8f0 drivers/base/core.c:3965 usb_disable_device+0x3d4/0x8d0 drivers/usb/core/message.c:1478 usb_disconnect+0x346/0x9a0 drivers/usb/core/hub.c:2350 hub_port_connect drivers/usb/core/hub.c:5420 [inline] hub_port_connect_change drivers/usb/core/hub.c:5720 [inline] port_event drivers/usb/core/hub.c:5884 [inline] hub_event+0x1bbb/0x4d30 drivers/usb/core/hub.c:5966 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 The buggy address belongs to the object at ffff88803ef4c000 which belongs to the cache kmalloc-2k of size 2048 The buggy address is located 8 bytes inside of freed 2048-byte region [ffff88803ef4c000, ffff88803ef4c800) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88803ef4e000 pfn:0x3ef48 head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0x4fff00000000240(workingset|head|node=1|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 04fff00000000240 ffff88801b042000 ffffea0000ff2610 ffffea0000f18810 raw: ffff88803ef4e000 0000000000080005 00000000f5000000 0000000000000000 head: 04fff00000000240 ffff88801b042000 ffffea0000ff2610 ffffea0000f18810 head: ffff88803ef4e000 0000000000080005 00000000f5000000 0000000000000000 head: 04fff00000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 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 5329, tgid 5329 (syz-executor), ts 121977350445 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1871 prep_new_page mm/page_alloc.c:1879 [inline] get_page_from_freelist+0x2209/0x2280 mm/page_alloc.c:3943 __alloc_frozen_pages_noprof+0x217/0x5a0 mm/page_alloc.c:5436 alloc_slab_page mm/slub.c:3347 [inline] allocate_slab+0x7d/0x620 mm/slub.c:3462 new_slab mm/slub.c:3513 [inline] refill_objects+0x2d5/0x350 mm/slub.c:7417 refill_sheaf mm/slub.c:2885 [inline] __pcs_replace_empty_main+0x2c8/0x6c0 mm/slub.c:4774 alloc_from_pcs mm/slub.c:4850 [inline] slab_alloc_node mm/slub.c:4984 [inline] __do_kmalloc_node mm/slub.c:5413 [inline] __kmalloc_noprof+0x47b/0x720 mm/slub.c:5439 _kmalloc_noprof include/linux/slab.h:995 [inline] sk_prot_alloc+0xe7/0x210 net/core/sock.c:2252 sk_alloc+0x3a/0x390 net/core/sock.c:2308 __netlink_create+0x62/0x260 net/netlink/af_netlink.c:627 __netlink_kernel_create+0x13d/0x720 net/netlink/af_netlink.c:2043 netlink_kernel_create include/linux/netlink.h:62 [inline] rtnetlink_net_init+0xb1/0x140 net/core/rtnetlink.c:7221 ops_init+0x35d/0x5d0 net/core/net_namespace.c:137 setup_net+0x118/0x350 net/core/net_namespace.c:443 copy_net_ns+0x53b/0x780 net/core/net_namespace.c:582 create_new_namespaces+0x3f0/0x6b0 kernel/nsproxy.c:132 page last free pid 51 tgid 51 ts 118842037838 stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] __free_pages_prepare mm/page_alloc.c:1418 [inline] __free_pages_ok+0xb6c/0xc60 mm/page_alloc.c:1596 ovs_ct_limit_exit_finish net/openvswitch/conntrack.c:1635 [inline] ovs_ct_exit_finish+0xa0/0x210 net/openvswitch/conntrack.c:2058 ovs_exit_net+0xec/0x7a0 net/openvswitch/datapath.c:2761 ops_exit_list net/core/net_namespace.c:200 [inline] ops_undo_list+0x43d/0x8d0 net/core/net_namespace.c:253 cleanup_net+0x572/0x810 net/core/net_namespace.c:706 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Memory state around the buggy address: ffff88803ef4bf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88803ef4bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88803ef4c000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88803ef4c080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88803ef4c100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================