Extracting prog: 17m28.501431551s Minimizing prog: 3h14m43.361355628s Simplifying prog options: 13m47.076759032s Extracting C: 5m11.879141543s Simplifying C: 0s 30 programs, timeouts [6m0s] extracting reproducer from 30 programs testing a last program of every proc single: executing 5 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:false 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_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$hid-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$hid-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io$hid-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io$cdc_ecm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x1cb, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000122f0d4071040403dfe4000000010902b9"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x2d, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$hid(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$hid(r1, 0x0, &(0x7f0000000500)={0x2c, &(0x7f0000000640)=ANY=[@ANYBLOB="400f09"], 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$printer(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, &(0x7f0000000a00)={0x84, &(0x7f0000000400)={0x20, 0x5}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r1, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, &(0x7f0000000100)={0x14, &(0x7f0000000080)={0x20, 0xf, 0x21, {0x21, 0x21, "43d8e3a014de3c40eed56cfd69e79bad70c2d38533c14e6e4a9d63f2c43e59"}}, &(0x7f00000000c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x43f}}}, &(0x7f0000000380)={0x34, &(0x7f0000000140)={0x0, 0x30, 0xce, "94139249b52c39e2331010a385b1f9cb2df2f6ba4ed052939d2f8de711aab024eab68ce55c8edc98c24a82498c45182425f267c48b0300957aaa705bee78d96de7133d80ab6892d341eba24a6f5f3e45a466f992e0f38775147951becb5e9cde0887b67d0fd33791d5592b08de218b12d524dc01a50fa1c21893adcd674aa9a142435021c448f88ffe70f860d1afe08d76441b27ff37405ea5b09ba06ecc6c9f4ae04b70196ddcd8a627f738fb4da9317bba46ad30f4086fb243259837be5d808f259305bd462ad582bcfa7c7f0e"}, &(0x7f0000000240)={0x0, 0xa, 0x1, 0xd}, &(0x7f0000000280)={0x0, 0x8, 0x1}, &(0x7f0000000440)={0x20, 0x0, 0x8f, {0x8d, "7103b37ed63ead6412e4e8d11d9bfd2e9a1e76e617af207a1afa12f723cef9b6fc26b1a84d92cb5c333bce44f8260c0c14a7239f90f5b09187b69df5aaf9906401b427981960ad4bc0cb392ec0b2d935c9d7e54db086aa5aa9bb9b297b6db41df08f7da6d53c962ba30f3c1f4f99572476ac12092a1b44c01f228c0193772df6a89fab5fd7413212cea3f0a47d"}}, &(0x7f00000002c0)={0x20, 0x1, 0x1, 0x6}, &(0x7f0000000300)={0x20, 0x0, 0x1, 0x5}}) syz_usb_control_io$hid(r1, &(0x7f0000000600)={0x24, &(0x7f00000003c0)={0x0, 0x9, 0x1d, {0x1d, 0x7, "cd66be87ec2fb459f52214e6cda0544a879f4ceed9ed8acd1222ec"}}, &(0x7f0000000540)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x58}}, &(0x7f0000000580)={0x0, 0x22, 0x8, {[@global=@item_012={0x1, 0x1, 0x6, 'W'}, @local=@item_4={0x3, 0x2, 0x0, "c7941e6c"}, @global=@item_012={0x0, 0x1, 0x2}]}}, &(0x7f00000005c0)={0x0, 0x21, 0x9, {0x9, 0x21, 0x800, 0x40, 0x1, {0x22, 0x6c}}}}, &(0x7f0000000800)={0x2c, &(0x7f0000000680)={0x20, 0xa, 0x5f, "35cc894f7d10ca8f8196bed7cda5ef8a9495834849f8308d0cb4f37327a31374483f74c503409113b149a21a1d227277e346ca6fc1911d5ad132e2e30c51b08e461a3abeca7219eeb9f489327cc7fb33498f652943bc7fc7db5a093db53131"}, &(0x7f0000000700)={0x0, 0xa, 0x1, 0x4}, &(0x7f0000000740)={0x0, 0x8, 0x1}, &(0x7f0000000780)={0x20, 0x1, 0x2f, "ef930afa583bb450f4cf7498d250f41e952ea94c54833eac5843075a6455d3ff6ca9e2d36e255ed138db3d83e3cd5a"}, &(0x7f00000007c0)={0x20, 0x3, 0x1, 0x9}}) syz_usb_control_io$cdc_ecm(r0, 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:false 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$hid-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_usb_ep_read-syz_usb_disconnect-syz_open_dev$char_usb-write$char_usb-syz_usb_connect$hid-syz_usb_disconnect-syz_open_dev$evdev-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_connect-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io$printer-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid-syz_open_dev$evdev-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$uac1-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_control_io$hid detailed listing: executing program 0: syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x20, 0x258a, 0x33, 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, 0x3}}}}]}}]}}, 0x0) r0 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000080)=ANY=[@ANYBLOB="120110010000ff202505a8a4400001020301090224000101ff20cd090400fd020701013d09050102200004000b090582022000090206"], 0x0) syz_usb_control_io$printer(r0, &(0x7f0000001100)={0x14, 0x0, &(0x7f00000000c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x3401}}}, 0x0) syz_usb_control_io(r0, &(0x7f00000015c0)={0x2c, 0x0, &(0x7f0000001480)=ANY=[@ANYBLOB="00031b0000000403"], 0x0, 0x0, 0x0}, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) syz_usb_disconnect(r0) r1 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) write$char_usb(r1, &(0x7f0000001680)="f3", 0x1) syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000100)=ANY=[@ANYBLOB="1201df00000000407d1e242c00000000000109022400010000000009040000020300006c97fdd2a8ec0f201a5efcf06cc300092900000001220500090581030000000000"], 0x0) syz_usb_disconnect(r0) syz_open_dev$evdev(&(0x7f0000000800), 0x7, 0x0) r2 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0500000000000109022400010000000009040001090300000009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r2, 0x0, 0x0) r3 = syz_usb_connect(0x2, 0x3f, &(0x7f00000001c0)=ANY=[@ANYBLOB="1201000016038308c5109a8146e40102230109022d0001000000000904000003030000000905be3b"], 0x0) syz_usb_control_io(r3, 0x0, &(0x7f0000000bc0)={0x84, &(0x7f0000000600)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r3, 0x0, &(0x7f0000000680)={0x84, &(0x7f0000000280)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$cdc_ecm(r3, 0x0, 0x0) syz_usb_control_io$printer(r3, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r3, 0x0, 0x0) syz_usb_control_io$hid(r3, 0x0, 0x0) syz_open_dev$evdev(&(0x7f0000000b40), 0x1, 0x202041) syz_usb_control_io$cdc_ecm(r3, 0x0, &(0x7f0000000340)={0x1c, &(0x7f00000002c0)={0x40, 0x11}, 0x0, 0x0}) syz_usb_control_io(r3, 0x0, 0x0) r4 = syz_usb_connect(0x0, 0x3f, &(0x7f00000000c0)=ANY=[@ANYBLOB="11010000733336088dee1edb23610000000109022d0101100000000904000003fe03010009cd8d1f0002000000090505020000fcffff09058b1e20"], 0x0) syz_usb_control_io(r4, 0x0, 0x0) syz_usb_control_io$uac1(r4, 0x0, &(0x7f00000025c0)={0x44, &(0x7f00000023c0)={0x20, 0x15}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r5 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r5, 0x5b01, 0x0) syz_usb_control_io$hid(r2, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000180)={0x0, 0x22, 0x24, {[@global=@item_4={0x3, 0x1, 0x0, "3951b38e"}, @global=@item_4={0x3, 0x1, 0x9, "0ca681fd"}, @global=@item_4, @local=@item_4={0x3, 0x2, 0x2, "849b9173"}, @local=@item_012={0x2, 0x2, 0x1, "0100"}, @global, @local=@item_4={0x3, 0x2, 0x0, "fa9e274a"}, @local=@item_4={0x3, 0x2, 0x2, "dc3e0803"}, @global=@item_012={0x1, 0x1, 0x0, "a7"}]}}, 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:false 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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) (async) syz_open_dev$char_usb(0xc, 0xb4, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program crashed: INFO: task hung in usb_deregister_dev single: successfully extracted reproducer found reproducer with 14 syscalls minimizing guilty program testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) (async) syz_open_dev$char_usb(0xc, 0xb4, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program crashed: INFO: task hung in usb_deregister_dev testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program crashed: INFO: task hung in usblp_disconnect testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) ioctl$EVIOCGMASK(0xffffffffffffffff, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(0xffffffffffffffff, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) syz_usb_control_io(0xffffffffffffffff, 0x0, 0x0) syz_usb_control_io$printer(0xffffffffffffffff, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r1 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r1, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(0xffffffffffffffff, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r1, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: syz_usb_disconnect(0xffffffffffffffff) r0 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r1 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r1, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(0xffffffffffffffff) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r0, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r1, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, 0x0, 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, 0x0, 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, 0x0, 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m42.599534281s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash testing program (duration=6m42.599534281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_open_dev$char_usb-ioctl$EVIOCGMASK-syz_usb_connect$printer-syz_usb_disconnect-syz_usb_connect-syz_usb_control_io-ioctl$EVIOCGMASK detailed listing: executing program 0: r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f0000001040)={0x34, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)={0x20, 0x1, 0x1, 0x2}, 0x0}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) (async) syz_usb_disconnect(r0) (async) syz_usb_connect(0x0, 0x3f, &(0x7f0000000540)=ANY=[], 0x0) (async) syz_usb_control_io(r1, 0x0, 0x0) (async) ioctl$EVIOCGMASK(r2, 0x60b, 0x0) (async) program did not crash reproducing took 3h51m10.818707174s repro crashed as (corrupted=false): INFO: task kworker/0:1:9 blocked for more than 143 seconds. Not tainted 6.11.0-syzkaller-11558-g075dbe9f6e3c #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:1 state:D stack:23904 pid:9 tgid:9 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752 usblp_disconnect+0x97/0x330 drivers/usb/class/usblp.c:1403 usb_unbind_interface+0x1e8/0x970 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:569 [inline] device_remove+0x122/0x170 drivers/base/dd.c:561 __device_release_driver drivers/base/dd.c:1273 [inline] device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1296 bus_remove_device+0x22f/0x420 drivers/base/bus.c:574 device_del+0x396/0x9f0 drivers/base/core.c:3871 usb_disable_device+0x36c/0x7f0 drivers/usb/core/message.c:1418 usb_disconnect+0x2e1/0x920 drivers/usb/core/hub.c:2304 hub_port_connect drivers/usb/core/hub.c:5361 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x1bed/0x4f40 drivers/usb/core/hub.c:5903 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task kworker/1:0:24 blocked for more than 143 seconds. Not tainted 6.11.0-syzkaller-11558-g075dbe9f6e3c #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:23616 pid:24 tgid:24 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752 usblp_disconnect+0xa1/0x330 drivers/usb/class/usblp.c:1404 usb_unbind_interface+0x1e8/0x970 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:569 [inline] device_remove+0x122/0x170 drivers/base/dd.c:561 __device_release_driver drivers/base/dd.c:1273 [inline] device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1296 bus_remove_device+0x22f/0x420 drivers/base/bus.c:574 device_del+0x396/0x9f0 drivers/base/core.c:3871 usb_disable_device+0x36c/0x7f0 drivers/usb/core/message.c:1418 usb_disconnect+0x2e1/0x920 drivers/usb/core/hub.c:2304 hub_port_connect drivers/usb/core/hub.c:5361 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x1bed/0x4f40 drivers/usb/core/hub.c:5903 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task kworker/0:2:801 blocked for more than 143 seconds. Not tainted 6.11.0-syzkaller-11558-g075dbe9f6e3c #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:2 state:D stack:23728 pid:801 tgid:801 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824 rwsem_down_write_slowpath+0x539/0x12a0 kernel/locking/rwsem.c:1178 __down_write_common kernel/locking/rwsem.c:1306 [inline] __down_write kernel/locking/rwsem.c:1315 [inline] down_write+0x1d8/0x200 kernel/locking/rwsem.c:1580 usb_deregister_dev+0x7c/0x1e0 drivers/usb/core/file.c:186 usblp_disconnect+0x4a/0x330 drivers/usb/class/usblp.c:1396 usb_unbind_interface+0x1e8/0x970 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:569 [inline] device_remove+0x122/0x170 drivers/base/dd.c:561 __device_release_driver drivers/base/dd.c:1273 [inline] device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1296 bus_remove_device+0x22f/0x420 drivers/base/bus.c:574 device_del+0x396/0x9f0 drivers/base/core.c:3871 usb_disable_device+0x36c/0x7f0 drivers/usb/core/message.c:1418 usb_disconnect+0x2e1/0x920 drivers/usb/core/hub.c:2304 hub_port_connect drivers/usb/core/hub.c:5361 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x1bed/0x4f40 drivers/usb/core/hub.c:5903 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task syz.3.56:5781 blocked for more than 144 seconds. Not tainted 6.11.0-syzkaller-11558-g075dbe9f6e3c #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.56 state:D stack:25824 pid:5781 tgid:5781 ppid:3235 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752 usblp_release+0x79/0x310 drivers/usb/class/usblp.c:480 __fput+0x3f6/0xb60 fs/file_table.c:431 task_work_run+0x14e/0x250 kernel/task_work.c:228 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x24e/0x260 kernel/entry/common.c:218 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fba41e8dff9 RSP: 002b:00007ffc56758068 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007fba42047a80 RCX: 00007fba41e8dff9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007fba42047a80 R08: 0000000000000000 R09: 00007ffc5675835f R10: 000000000003fd6c R11: 0000000000000246 R12: 0000000000075f4f R13: 00007fba420463b8 R14: 0000000000000003 R15: ffffffffffffffff INFO: task syz.0.60:5817 blocked for more than 144 seconds. Not tainted 6.11.0-syzkaller-11558-g075dbe9f6e3c #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.60 state:D stack:28256 pid:5817 tgid:5794 ppid:3225 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752 usblp_open+0x5c/0x450 drivers/usb/class/usblp.c:417 usb_open+0x186/0x220 drivers/usb/core/file.c:47 chrdev_open+0x237/0x6a0 fs/char_dev.c:414 do_dentry_open+0x6cb/0x1390 fs/open.c:958 vfs_open+0x82/0x3f0 fs/open.c:1088 do_open fs/namei.c:3774 [inline] path_openat+0x1e6a/0x2d60 fs/namei.c:3933 do_filp_open+0x1dc/0x430 fs/namei.c:3960 do_sys_openat2+0x17a/0x1e0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_openat fs/open.c:1446 [inline] __se_sys_openat fs/open.c:1441 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc7d662c990 RSP: 002b:00007fc7d608db70 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc7d662c990 RDX: 0000000000000002 RSI: 00007fc7d608dc10 RDI: 00000000ffffff9c RBP: 00007fc7d608dc10 R08: 0000000000000000 R09: 00007fc7d608d987 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fc7d67e6058 R15: 00007ffc3b29f2f8 Showing all locks held in the system: 6 locks held by kworker/0:1/9: #0: ffff8881066f4d48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc9000009fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffff8881097aa190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #2: ffff8881097aa190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849 #3: ffff888117d82190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #3: ffff888117d82190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x10a/0x920 drivers/usb/core/hub.c:2295 #4: ffff88811e191160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #4: ffff88811e191160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff88811e191160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1293 #5: ffffffff89a93548 (usblp_mutex){+.+.}-{3:3}, at: usblp_disconnect+0x97/0x330 drivers/usb/class/usblp.c:1403 7 locks held by kworker/1:0/24: #0: ffff8881066f4d48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc9000019fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffff888109792190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #2: ffff888109792190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849 #3: ffff88811f337190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #3: ffff88811f337190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x10a/0x920 drivers/usb/core/hub.c:2295 #4: ffff88811be6e160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #4: ffff88811be6e160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff88811be6e160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1293 #5: ffffffff89a93548 (usblp_mutex){+.+.}-{3:3}, at: usblp_disconnect+0x97/0x330 drivers/usb/class/usblp.c:1403 #6: ffff888113d99100 (&usblp->mut){+.+.}-{3:3}, at: usblp_disconnect+0xa1/0x330 drivers/usb/class/usblp.c:1404 1 lock held by khungtaskd/30: #0: ffffffff88ebacc0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff88ebacc0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff88ebacc0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6701 6 locks held by kworker/0:2/801: #0: ffff8881066f4d48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc90001d1fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffff888109bc2190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #2: ffff888109bc2190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849 #3: ffff88811f336190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #3: ffff88811f336190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x10a/0x920 drivers/usb/core/hub.c:2295 #4: ffff88810a396160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #4: ffff88810a396160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff88810a396160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1293 #5: ffffffff899da270 (minor_rwsem){++++}-{3:3}, at: usb_deregister_dev+0x7c/0x1e0 drivers/usb/core/file.c:186 2 locks held by getty/2606: #0: ffff8881092ac0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc900000432f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211 6 locks held by kworker/0:0/2674: #0: ffff8881066f4d48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc900005bfd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffff888109782190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #2: ffff888109782190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849 #3: ffff888109389190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #3: ffff888109389190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x10a/0x920 drivers/usb/core/hub.c:2295 #4: ffff8881083de160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #4: ffff8881083de160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff8881083de160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1293 #5: ffffffff899da270 (minor_rwsem){++++}-{3:3}, at: usb_deregister_dev+0x7c/0x1e0 drivers/usb/core/file.c:186 6 locks held by kworker/0:4/5509: #0: ffff8881066f4d48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc90002bbfd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffff888109baa190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #2: ffff888109baa190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849 #3: ffff88810938e190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #3: ffff88810938e190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005 #4: ffff888109388160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #4: ffff888109388160 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005 #5: ffffffff899da270 (minor_rwsem){++++}-{3:3}, at: usb_register_dev+0x11c/0x550 drivers/usb/core/file.c:134 1 lock held by syz.3.56/5781: #0: ffffffff89a93548 (usblp_mutex){+.+.}-{3:3}, at: usblp_release+0x79/0x310 drivers/usb/class/usblp.c:480 1 lock held by syz.1.58/5809: #0: ffff888113d99100 (&usblp->mut){+.+.}-{3:3}, at: usblp_ioctl+0xbb/0xf00 drivers/usb/class/usblp.c:528 2 locks held by syz.0.60/5817: #0: ffffffff899da270 (minor_rwsem){++++}-{3:3}, at: usb_open+0x23/0x220 drivers/usb/core/file.c:38 #1: ffffffff89a93548 (usblp_mutex){+.+.}-{3:3}, at: usblp_open+0x5c/0x450 drivers/usb/class/usblp.c:417 1 lock held by syz.1.440/8907: #0: ffffffff88ec6638 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:329 1 lock held by syz.1.440/8911: #0: ffffffff88ec6638 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock+0x282/0x3b0 kernel/rcu/tree_exp.h:297 ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-syzkaller-11558-g075dbe9f6e3c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline] watchdog+0xf0c/0x1240 kernel/hung_task.c:379 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:106 [inline] NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt+0x1a/0x20 drivers/acpi/processor_idle.c:111 final repro crashed as (corrupted=false): INFO: task kworker/0:1:9 blocked for more than 143 seconds. Not tainted 6.11.0-syzkaller-11558-g075dbe9f6e3c #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:1 state:D stack:23904 pid:9 tgid:9 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752 usblp_disconnect+0x97/0x330 drivers/usb/class/usblp.c:1403 usb_unbind_interface+0x1e8/0x970 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:569 [inline] device_remove+0x122/0x170 drivers/base/dd.c:561 __device_release_driver drivers/base/dd.c:1273 [inline] device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1296 bus_remove_device+0x22f/0x420 drivers/base/bus.c:574 device_del+0x396/0x9f0 drivers/base/core.c:3871 usb_disable_device+0x36c/0x7f0 drivers/usb/core/message.c:1418 usb_disconnect+0x2e1/0x920 drivers/usb/core/hub.c:2304 hub_port_connect drivers/usb/core/hub.c:5361 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x1bed/0x4f40 drivers/usb/core/hub.c:5903 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task kworker/1:0:24 blocked for more than 143 seconds. Not tainted 6.11.0-syzkaller-11558-g075dbe9f6e3c #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:23616 pid:24 tgid:24 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752 usblp_disconnect+0xa1/0x330 drivers/usb/class/usblp.c:1404 usb_unbind_interface+0x1e8/0x970 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:569 [inline] device_remove+0x122/0x170 drivers/base/dd.c:561 __device_release_driver drivers/base/dd.c:1273 [inline] device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1296 bus_remove_device+0x22f/0x420 drivers/base/bus.c:574 device_del+0x396/0x9f0 drivers/base/core.c:3871 usb_disable_device+0x36c/0x7f0 drivers/usb/core/message.c:1418 usb_disconnect+0x2e1/0x920 drivers/usb/core/hub.c:2304 hub_port_connect drivers/usb/core/hub.c:5361 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x1bed/0x4f40 drivers/usb/core/hub.c:5903 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task kworker/0:2:801 blocked for more than 143 seconds. Not tainted 6.11.0-syzkaller-11558-g075dbe9f6e3c #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:2 state:D stack:23728 pid:801 tgid:801 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824 rwsem_down_write_slowpath+0x539/0x12a0 kernel/locking/rwsem.c:1178 __down_write_common kernel/locking/rwsem.c:1306 [inline] __down_write kernel/locking/rwsem.c:1315 [inline] down_write+0x1d8/0x200 kernel/locking/rwsem.c:1580 usb_deregister_dev+0x7c/0x1e0 drivers/usb/core/file.c:186 usblp_disconnect+0x4a/0x330 drivers/usb/class/usblp.c:1396 usb_unbind_interface+0x1e8/0x970 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:569 [inline] device_remove+0x122/0x170 drivers/base/dd.c:561 __device_release_driver drivers/base/dd.c:1273 [inline] device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1296 bus_remove_device+0x22f/0x420 drivers/base/bus.c:574 device_del+0x396/0x9f0 drivers/base/core.c:3871 usb_disable_device+0x36c/0x7f0 drivers/usb/core/message.c:1418 usb_disconnect+0x2e1/0x920 drivers/usb/core/hub.c:2304 hub_port_connect drivers/usb/core/hub.c:5361 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x1bed/0x4f40 drivers/usb/core/hub.c:5903 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task syz.3.56:5781 blocked for more than 144 seconds. Not tainted 6.11.0-syzkaller-11558-g075dbe9f6e3c #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.56 state:D stack:25824 pid:5781 tgid:5781 ppid:3235 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752 usblp_release+0x79/0x310 drivers/usb/class/usblp.c:480 __fput+0x3f6/0xb60 fs/file_table.c:431 task_work_run+0x14e/0x250 kernel/task_work.c:228 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x24e/0x260 kernel/entry/common.c:218 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fba41e8dff9 RSP: 002b:00007ffc56758068 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007fba42047a80 RCX: 00007fba41e8dff9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007fba42047a80 R08: 0000000000000000 R09: 00007ffc5675835f R10: 000000000003fd6c R11: 0000000000000246 R12: 0000000000075f4f R13: 00007fba420463b8 R14: 0000000000000003 R15: ffffffffffffffff INFO: task syz.0.60:5817 blocked for more than 144 seconds. Not tainted 6.11.0-syzkaller-11558-g075dbe9f6e3c #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.60 state:D stack:28256 pid:5817 tgid:5794 ppid:3225 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752 usblp_open+0x5c/0x450 drivers/usb/class/usblp.c:417 usb_open+0x186/0x220 drivers/usb/core/file.c:47 chrdev_open+0x237/0x6a0 fs/char_dev.c:414 do_dentry_open+0x6cb/0x1390 fs/open.c:958 vfs_open+0x82/0x3f0 fs/open.c:1088 do_open fs/namei.c:3774 [inline] path_openat+0x1e6a/0x2d60 fs/namei.c:3933 do_filp_open+0x1dc/0x430 fs/namei.c:3960 do_sys_openat2+0x17a/0x1e0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_openat fs/open.c:1446 [inline] __se_sys_openat fs/open.c:1441 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc7d662c990 RSP: 002b:00007fc7d608db70 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc7d662c990 RDX: 0000000000000002 RSI: 00007fc7d608dc10 RDI: 00000000ffffff9c RBP: 00007fc7d608dc10 R08: 0000000000000000 R09: 00007fc7d608d987 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fc7d67e6058 R15: 00007ffc3b29f2f8 Showing all locks held in the system: 6 locks held by kworker/0:1/9: #0: ffff8881066f4d48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc9000009fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffff8881097aa190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #2: ffff8881097aa190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849 #3: ffff888117d82190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #3: ffff888117d82190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x10a/0x920 drivers/usb/core/hub.c:2295 #4: ffff88811e191160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #4: ffff88811e191160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff88811e191160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1293 #5: ffffffff89a93548 (usblp_mutex){+.+.}-{3:3}, at: usblp_disconnect+0x97/0x330 drivers/usb/class/usblp.c:1403 7 locks held by kworker/1:0/24: #0: ffff8881066f4d48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc9000019fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffff888109792190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #2: ffff888109792190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849 #3: ffff88811f337190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #3: ffff88811f337190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x10a/0x920 drivers/usb/core/hub.c:2295 #4: ffff88811be6e160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #4: ffff88811be6e160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff88811be6e160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1293 #5: ffffffff89a93548 (usblp_mutex){+.+.}-{3:3}, at: usblp_disconnect+0x97/0x330 drivers/usb/class/usblp.c:1403 #6: ffff888113d99100 (&usblp->mut){+.+.}-{3:3}, at: usblp_disconnect+0xa1/0x330 drivers/usb/class/usblp.c:1404 1 lock held by khungtaskd/30: #0: ffffffff88ebacc0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff88ebacc0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff88ebacc0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6701 6 locks held by kworker/0:2/801: #0: ffff8881066f4d48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc90001d1fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffff888109bc2190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #2: ffff888109bc2190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849 #3: ffff88811f336190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #3: ffff88811f336190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x10a/0x920 drivers/usb/core/hub.c:2295 #4: ffff88810a396160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #4: ffff88810a396160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff88810a396160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1293 #5: ffffffff899da270 (minor_rwsem){++++}-{3:3}, at: usb_deregister_dev+0x7c/0x1e0 drivers/usb/core/file.c:186 2 locks held by getty/2606: #0: ffff8881092ac0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc900000432f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211 6 locks held by kworker/0:0/2674: #0: ffff8881066f4d48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc900005bfd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffff888109782190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #2: ffff888109782190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849 #3: ffff888109389190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #3: ffff888109389190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x10a/0x920 drivers/usb/core/hub.c:2295 #4: ffff8881083de160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #4: ffff8881083de160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff8881083de160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1293 #5: ffffffff899da270 (minor_rwsem){++++}-{3:3}, at: usb_deregister_dev+0x7c/0x1e0 drivers/usb/core/file.c:186 6 locks held by kworker/0:4/5509: #0: ffff8881066f4d48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc90002bbfd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffff888109baa190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #2: ffff888109baa190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849 #3: ffff88810938e190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #3: ffff88810938e190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005 #4: ffff888109388160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #4: ffff888109388160 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005 #5: ffffffff899da270 (minor_rwsem){++++}-{3:3}, at: usb_register_dev+0x11c/0x550 drivers/usb/core/file.c:134 1 lock held by syz.3.56/5781: #0: ffffffff89a93548 (usblp_mutex){+.+.}-{3:3}, at: usblp_release+0x79/0x310 drivers/usb/class/usblp.c:480 1 lock held by syz.1.58/5809: #0: ffff888113d99100 (&usblp->mut){+.+.}-{3:3}, at: usblp_ioctl+0xbb/0xf00 drivers/usb/class/usblp.c:528 2 locks held by syz.0.60/5817: #0: ffffffff899da270 (minor_rwsem){++++}-{3:3}, at: usb_open+0x23/0x220 drivers/usb/core/file.c:38 #1: ffffffff89a93548 (usblp_mutex){+.+.}-{3:3}, at: usblp_open+0x5c/0x450 drivers/usb/class/usblp.c:417 1 lock held by syz.1.440/8907: #0: ffffffff88ec6638 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:329 1 lock held by syz.1.440/8911: #0: ffffffff88ec6638 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock+0x282/0x3b0 kernel/rcu/tree_exp.h:297 ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-syzkaller-11558-g075dbe9f6e3c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline] watchdog+0xf0c/0x1240 kernel/hung_task.c:379 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:106 [inline] NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt+0x1a/0x20 drivers/acpi/processor_idle.c:111