Extracting prog: 10m24.915669459s Minimizing prog: 3h38m50.713092967s Simplifying prog options: 18m6.105925828s Extracting C: 5m20.156021606s Simplifying C: 2h18m41.330227092s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 45s testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000480)=ANY=[@ANYBLOB="12010000e09d7040460a2196324f0102030109022400012f0000000904000002b9d3450009050102100000000008058b0240"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x84, &(0x7f0000000300)={0x40, 0x0, 0xef, "e22e3df2a41422c1903f5d2a249045430c31e76a3117bebfd56bb75bc615cfde95b336f90f8f31dadb58358fd5f0a79089abd07446ac9cbe0918ff476ab5315bf32c6fe6f4e8bba4ee070cc0791bcbcefee41d53f6e013e7417ad9005e4e8ac45034ca3b50d27bc26d409cef738637266fa45c00e02abf6fb74c79efb35fd9a9245dc708650d78665fe1d509f9dfada61df5c76cf7422e9bd8af1676f5c690c1a26b076b308bd3358956642827ce6359a3f63694883d9dcaa4c6a2a0202bd50019b3ee7347c709722317ee5bf52269e90af02e65f762e3ed1f2fbf893c06c22c539cd43d9081f8ebd5a527f61cb92f"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000500)={0x2c, &(0x7f0000000280)={0x0, 0x0, 0x6, "fa282c2c78cd"}, 0x0, 0x0, 0x0, 0x0}) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 16m0s testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000480)=ANY=[@ANYBLOB="12010000e09d7040460a2196324f0102030109022400012f0000000904000002b9d3450009050102100000000008058b0240"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x84, &(0x7f0000000300)={0x40, 0x0, 0xef, "e22e3df2a41422c1903f5d2a249045430c31e76a3117bebfd56bb75bc615cfde95b336f90f8f31dadb58358fd5f0a79089abd07446ac9cbe0918ff476ab5315bf32c6fe6f4e8bba4ee070cc0791bcbcefee41d53f6e013e7417ad9005e4e8ac45034ca3b50d27bc26d409cef738637266fa45c00e02abf6fb74c79efb35fd9a9245dc708650d78665fe1d509f9dfada61df5c76cf7422e9bd8af1676f5c690c1a26b076b308bd3358956642827ce6359a3f63694883d9dcaa4c6a2a0202bd50019b3ee7347c709722317ee5bf52269e90af02e65f762e3ed1f2fbf893c06c22c539cd43d9081f8ebd5a527f61cb92f"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000500)={0x2c, &(0x7f0000000280)={0x0, 0x0, 0x6, "fa282c2c78cd"}, 0x0, 0x0, 0x0, 0x0}) program crashed: WARNING: ODEBUG bug in get_taint single: successfully extracted reproducer found reproducer with 5 syscalls minimizing guilty program testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000480)=ANY=[@ANYBLOB="12010000e09d7040460a2196324f0102030109022400012f0000000904000002b9d3450009050102100000000008058b0240"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x84, &(0x7f0000000300)={0x40, 0x0, 0xef, "e22e3df2a41422c1903f5d2a249045430c31e76a3117bebfd56bb75bc615cfde95b336f90f8f31dadb58358fd5f0a79089abd07446ac9cbe0918ff476ab5315bf32c6fe6f4e8bba4ee070cc0791bcbcefee41d53f6e013e7417ad9005e4e8ac45034ca3b50d27bc26d409cef738637266fa45c00e02abf6fb74c79efb35fd9a9245dc708650d78665fe1d509f9dfada61df5c76cf7422e9bd8af1676f5c690c1a26b076b308bd3358956642827ce6359a3f63694883d9dcaa4c6a2a0202bd50019b3ee7347c709722317ee5bf52269e90af02e65f762e3ed1f2fbf893c06c22c539cd43d9081f8ebd5a527f61cb92f"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000480)=ANY=[@ANYBLOB="12010000e09d7040460a2196324f0102030109022400012f0000000904000002b9d3450009050102100000000008058b0240"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000500)={0x2c, &(0x7f0000000280)={0x0, 0x0, 0x6, "fa282c2c78cd"}, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000480)=ANY=[@ANYBLOB="12010000e09d7040460a2196324f0102030109022400012f0000000904000002b9d3450009050102100000000008058b0240"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x84, &(0x7f0000000300)={0x40, 0x0, 0xef, "e22e3df2a41422c1903f5d2a249045430c31e76a3117bebfd56bb75bc615cfde95b336f90f8f31dadb58358fd5f0a79089abd07446ac9cbe0918ff476ab5315bf32c6fe6f4e8bba4ee070cc0791bcbcefee41d53f6e013e7417ad9005e4e8ac45034ca3b50d27bc26d409cef738637266fa45c00e02abf6fb74c79efb35fd9a9245dc708650d78665fe1d509f9dfada61df5c76cf7422e9bd8af1676f5c690c1a26b076b308bd3358956642827ce6359a3f63694883d9dcaa4c6a2a0202bd50019b3ee7347c709722317ee5bf52269e90af02e65f762e3ed1f2fbf893c06c22c539cd43d9081f8ebd5a527f61cb92f"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000500)={0x2c, &(0x7f0000000280)={0x0, 0x0, 0x6, "fa282c2c78cd"}, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000480)=ANY=[@ANYBLOB="12010000e09d7040460a2196324f0102030109022400012f0000000904000002b9d3450009050102100000000008058b0240"], 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x84, &(0x7f0000000300)={0x40, 0x0, 0xef, "e22e3df2a41422c1903f5d2a249045430c31e76a3117bebfd56bb75bc615cfde95b336f90f8f31dadb58358fd5f0a79089abd07446ac9cbe0918ff476ab5315bf32c6fe6f4e8bba4ee070cc0791bcbcefee41d53f6e013e7417ad9005e4e8ac45034ca3b50d27bc26d409cef738637266fa45c00e02abf6fb74c79efb35fd9a9245dc708650d78665fe1d509f9dfada61df5c76cf7422e9bd8af1676f5c690c1a26b076b308bd3358956642827ce6359a3f63694883d9dcaa4c6a2a0202bd50019b3ee7347c709722317ee5bf52269e90af02e65f762e3ed1f2fbf893c06c22c539cd43d9081f8ebd5a527f61cb92f"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000500)={0x2c, &(0x7f0000000280)={0x0, 0x0, 0x6, "fa282c2c78cd"}, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, 0x0, 0x0) syz_usb_control_io$cdc_ecm(0xffffffffffffffff, 0x0, 0x0) syz_usb_control_io(0xffffffffffffffff, 0x0, &(0x7f0000000840)={0x84, &(0x7f0000000300)={0x40, 0x0, 0xef, "e22e3df2a41422c1903f5d2a249045430c31e76a3117bebfd56bb75bc615cfde95b336f90f8f31dadb58358fd5f0a79089abd07446ac9cbe0918ff476ab5315bf32c6fe6f4e8bba4ee070cc0791bcbcefee41d53f6e013e7417ad9005e4e8ac45034ca3b50d27bc26d409cef738637266fa45c00e02abf6fb74c79efb35fd9a9245dc708650d78665fe1d509f9dfada61df5c76cf7422e9bd8af1676f5c690c1a26b076b308bd3358956642827ce6359a3f63694883d9dcaa4c6a2a0202bd50019b3ee7347c709722317ee5bf52269e90af02e65f762e3ed1f2fbf893c06c22c539cd43d9081f8ebd5a527f61cb92f"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(0xffffffffffffffff, 0x0, &(0x7f0000000500)={0x2c, &(0x7f0000000280)={0x0, 0x0, 0x6, "fa282c2c78cd"}, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x84, &(0x7f0000000300)={0x40, 0x0, 0xef, "e22e3df2a41422c1903f5d2a249045430c31e76a3117bebfd56bb75bc615cfde95b336f90f8f31dadb58358fd5f0a79089abd07446ac9cbe0918ff476ab5315bf32c6fe6f4e8bba4ee070cc0791bcbcefee41d53f6e013e7417ad9005e4e8ac45034ca3b50d27bc26d409cef738637266fa45c00e02abf6fb74c79efb35fd9a9245dc708650d78665fe1d509f9dfada61df5c76cf7422e9bd8af1676f5c690c1a26b076b308bd3358956642827ce6359a3f63694883d9dcaa4c6a2a0202bd50019b3ee7347c709722317ee5bf52269e90af02e65f762e3ed1f2fbf893c06c22c539cd43d9081f8ebd5a527f61cb92f"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000500)={0x2c, &(0x7f0000000280)={0x0, 0x0, 0x6, "fa282c2c78cd"}, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000480)=ANY=[@ANYBLOB], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x84, &(0x7f0000000300)={0x40, 0x0, 0xef, "e22e3df2a41422c1903f5d2a249045430c31e76a3117bebfd56bb75bc615cfde95b336f90f8f31dadb58358fd5f0a79089abd07446ac9cbe0918ff476ab5315bf32c6fe6f4e8bba4ee070cc0791bcbcefee41d53f6e013e7417ad9005e4e8ac45034ca3b50d27bc26d409cef738637266fa45c00e02abf6fb74c79efb35fd9a9245dc708650d78665fe1d509f9dfada61df5c76cf7422e9bd8af1676f5c690c1a26b076b308bd3358956642827ce6359a3f63694883d9dcaa4c6a2a0202bd50019b3ee7347c709722317ee5bf52269e90af02e65f762e3ed1f2fbf893c06c22c539cd43d9081f8ebd5a527f61cb92f"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000500)={0x2c, &(0x7f0000000280)={0x0, 0x0, 0x6, "fa282c2c78cd"}, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000480)=ANY=[@ANYBLOB="12010000e09d7040460a2196324f0102030109022400012f0000000904000002b9d3450009050102100000000008058b0240"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000500)={0x2c, &(0x7f0000000280)={0x0, 0x0, 0x6, "fa282c2c78cd"}, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000480)=ANY=[@ANYBLOB="12010000e09d7040460a2196324f0102030109022400012f0000000904000002b9d3450009050102100000000008058b0240"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000500)={0x2c, &(0x7f0000000280)={0x0, 0x0, 0x6, "fa282c2c78cd"}, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000480)=ANY=[@ANYBLOB="12010000e09d7040460a2196324f0102030109022400012f0000000904000002b9d3450009050102100000000008058b0240"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000300)={0x40}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000500)={0x2c, &(0x7f0000000280)={0x0, 0x0, 0x6, "fa282c2c78cd"}, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000480)=ANY=[@ANYBLOB="12010000e09d7040460a2196324f0102030109022400012f0000000904000002b9d3450009050102100000000008058b0240"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x84, &(0x7f0000000300)={0x40, 0x0, 0xef, "e22e3df2a41422c1903f5d2a249045430c31e76a3117bebfd56bb75bc615cfde95b336f90f8f31dadb58358fd5f0a79089abd07446ac9cbe0918ff476ab5315bf32c6fe6f4e8bba4ee070cc0791bcbcefee41d53f6e013e7417ad9005e4e8ac45034ca3b50d27bc26d409cef738637266fa45c00e02abf6fb74c79efb35fd9a9245dc708650d78665fe1d509f9dfada61df5c76cf7422e9bd8af1676f5c690c1a26b076b308bd3358956642827ce6359a3f63694883d9dcaa4c6a2a0202bd50019b3ee7347c709722317ee5bf52269e90af02e65f762e3ed1f2fbf893c06c22c539cd43d9081f8ebd5a527f61cb92f"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r0, 0x0, 0x0) program did not crash testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000480)=ANY=[@ANYBLOB="12010000e09d7040460a2196324f0102030109022400012f0000000904000002b9d3450009050102100000000008058b0240"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x84, &(0x7f0000000300)={0x40, 0x0, 0xef, "e22e3df2a41422c1903f5d2a249045430c31e76a3117bebfd56bb75bc615cfde95b336f90f8f31dadb58358fd5f0a79089abd07446ac9cbe0918ff476ab5315bf32c6fe6f4e8bba4ee070cc0791bcbcefee41d53f6e013e7417ad9005e4e8ac45034ca3b50d27bc26d409cef738637266fa45c00e02abf6fb74c79efb35fd9a9245dc708650d78665fe1d509f9dfada61df5c76cf7422e9bd8af1676f5c690c1a26b076b308bd3358956642827ce6359a3f63694883d9dcaa4c6a2a0202bd50019b3ee7347c709722317ee5bf52269e90af02e65f762e3ed1f2fbf893c06c22c539cd43d9081f8ebd5a527f61cb92f"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000500)={0x18, 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000480)=ANY=[@ANYBLOB="12010000e09d7040460a2196324f0102030109022400012f0000000904000002b9d3450009050102100000000008058b0240"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x84, &(0x7f0000000300)={0x40, 0x0, 0xef, "e22e3df2a41422c1903f5d2a249045430c31e76a3117bebfd56bb75bc615cfde95b336f90f8f31dadb58358fd5f0a79089abd07446ac9cbe0918ff476ab5315bf32c6fe6f4e8bba4ee070cc0791bcbcefee41d53f6e013e7417ad9005e4e8ac45034ca3b50d27bc26d409cef738637266fa45c00e02abf6fb74c79efb35fd9a9245dc708650d78665fe1d509f9dfada61df5c76cf7422e9bd8af1676f5c690c1a26b076b308bd3358956642827ce6359a3f63694883d9dcaa4c6a2a0202bd50019b3ee7347c709722317ee5bf52269e90af02e65f762e3ed1f2fbf893c06c22c539cd43d9081f8ebd5a527f61cb92f"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000500)={0x18, &(0x7f0000000280), 0x0, 0x0, 0x0, 0x0}) program did not crash extracting C reproducer testing compiled C program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid 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=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000480)=ANY=[@ANYBLOB="12010000e09d7040460a2196324f0102030109022400012f0000000904000002b9d3450009050102100000000008058b0240"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x84, &(0x7f0000000300)={0x40, 0x0, 0xef, "e22e3df2a41422c1903f5d2a249045430c31e76a3117bebfd56bb75bc615cfde95b336f90f8f31dadb58358fd5f0a79089abd07446ac9cbe0918ff476ab5315bf32c6fe6f4e8bba4ee070cc0791bcbcefee41d53f6e013e7417ad9005e4e8ac45034ca3b50d27bc26d409cef738637266fa45c00e02abf6fb74c79efb35fd9a9245dc708650d78665fe1d509f9dfada61df5c76cf7422e9bd8af1676f5c690c1a26b076b308bd3358956642827ce6359a3f63694883d9dcaa4c6a2a0202bd50019b3ee7347c709722317ee5bf52269e90af02e65f762e3ed1f2fbf893c06c22c539cd43d9081f8ebd5a527f61cb92f"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000500)={0x2c, &(0x7f0000000280)={0x0, 0x0, 0x6, "fa282c2c78cd"}, 0x0, 0x0, 0x0, 0x0}) program crashed: WARNING: ODEBUG bug in get_taint extracting C reproducer testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid program crashed: WARNING: ODEBUG bug in get_taint simplifying C reproducer testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid program crashed: WARNING: ODEBUG bug in get_taint testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid program crashed: WARNING: ODEBUG bug in get_taint testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid program crashed: WARNING: ODEBUG bug in get_taint testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid program crashed: WARNING: ODEBUG bug in get_taint testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io-syz_usb_control_io$hid program crashed: WARNING: ODEBUG bug in get_taint reproducing took 6h41m48.905830949s repro crashed as (corrupted=false): dm9601 1-1:47.0 eth1: unregister 'dm9601' usb-dummy_hcd.0-1, Davicom DM96xx USB 10/100 Ethernet ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1781 at lib/debugobjects.c:514 debug_print_object+0xc4/0xd8 lib/debugobjects.c:514 ODEBUG: free active (active state 0) object: 8436afcc object type: work_struct hint: usbnet_deferred_kevent+0x0/0x394 drivers/net/usb/usbnet.c:633 Modules linked in: Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 0 UID: 0 PID: 1781 Comm: kworker/0:3 Not tainted 6.12.0-rc5-syzkaller #0 Hardware name: ARM-Versatile Express Workqueue: usb_hub_wq hub_event Call trace: [<8199a4d8>] (dump_backtrace) from [<8199a5d4>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:82622f44 r5:00000000 r4:8203d914 [<8199a5bc>] (show_stack) from [<819b8a70>] (__dump_stack lib/dump_stack.c:94 [inline]) [<8199a5bc>] (show_stack) from [<819b8a70>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:120) [<819b8a1c>] (dump_stack_lvl) from [<819b8ab0>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000000 r4:82870d18 [<819b8a98>] (dump_stack) from [<8199b100>] (panic+0x120/0x374 kernel/panic.c:354) [<8199afe0>] (panic) from [<802420e0>] (check_panic_on_warn kernel/panic.c:243 [inline]) [<8199afe0>] (panic) from [<802420e0>] (get_taint+0x0/0x1c kernel/panic.c:238) r3:8260c5c4 r2:00000001 r1:82025ce8 r0:8202d750 r7:808547a0 [<8024206c>] (check_panic_on_warn) from [<80242244>] (__warn+0x80/0x188 kernel/panic.c:748) [<802421c4>] (__warn) from [<80242534>] (warn_slowpath_fmt+0x1e8/0x1f4 kernel/panic.c:783) r8:00000009 r7:8208ca38 r6:eb0b9a8c r5:8357b000 r4:00000000 [<80242350>] (warn_slowpath_fmt) from [<808547a0>] (debug_print_object+0xc4/0xd8 lib/debugobjects.c:514) r10:00000005 r9:8436a800 r8:81a01c24 r7:820b7828 r6:828dd084 r5:eb0b9b34 r4:8260cda4 [<808546dc>] (debug_print_object) from [<80856030>] (__debug_check_no_obj_freed lib/debugobjects.c:989 [inline]) [<808546dc>] (debug_print_object) from [<80856030>] (debug_check_no_obj_freed+0x254/0x2a0 lib/debugobjects.c:1019) r8:8436b000 r7:8436afcc r6:00000100 r5:00000003 r4:00000000 [<80855ddc>] (debug_check_no_obj_freed) from [<804c91c4>] (slab_free_hook mm/slub.c:2273 [inline]) [<80855ddc>] (debug_check_no_obj_freed) from [<804c91c4>] (slab_free mm/slub.c:4579 [inline]) [<80855ddc>] (debug_check_no_obj_freed) from [<804c91c4>] (kfree+0x190/0x394 mm/slub.c:4727) r10:8277dc60 r9:844b0c80 r8:8436a800 r7:8046d198 r6:82c023c0 r5:dde90aa0 r4:8436a800 [<804c9034>] (kfree) from [<8046d198>] (kvfree+0x2c/0x30 mm/util.c:701) r10:8277dc60 r9:844b0c80 r8:8436a800 r7:00000000 r6:845e6200 r5:84745e80 r4:8436a800 [<8046d16c>] (kvfree) from [<814fc658>] (netdev_release+0x2c/0x34 net/core/net-sysfs.c:2034) r5:84745e80 r4:8436a800 [<814fc62c>] (netdev_release) from [<80aa3b24>] (device_release+0x38/0xa8 drivers/base/core.c:2575) r5:84745e80 r4:8436abc0 [<80aa3aec>] (device_release) from [<8197432c>] (kobject_cleanup lib/kobject.c:689 [inline]) [<80aa3aec>] (device_release) from [<8197432c>] (kobject_release lib/kobject.c:720 [inline]) [<80aa3aec>] (device_release) from [<8197432c>] (kref_put include/linux/kref.h:65 [inline]) [<80aa3aec>] (device_release) from [<8197432c>] (kobject_put+0xa0/0x1f4 lib/kobject.c:737) r5:81b4c9c4 r4:8436abc0 [<8197428c>] (kobject_put) from [<80aa3d50>] (put_device+0x18/0x1c drivers/base/core.c:3783) r7:844b3800 r6:00000000 r5:8436a800 r4:00000000 [<80aa3d38>] (put_device) from [<814b0d24>] (free_netdev+0x134/0x1ac net/core/dev.c:11255) [<814b0bf0>] (free_netdev) from [<80d88104>] (usbnet_disconnect+0xb8/0xfc drivers/net/usb/usbnet.c:1652) r6:8436af94 r5:8436ae80 r4:00000000 [<80d8804c>] (usbnet_disconnect) from [<80df0930>] (usb_unbind_interface+0x84/0x2c4 drivers/usb/core/driver.c:461) r8:00000044 r7:844b3830 r6:8277dc60 r5:00000000 r4:844b3800 [<80df08ac>] (usb_unbind_interface) from [<80aabc14>] (device_remove drivers/base/dd.c:569 [inline]) [<80df08ac>] (usb_unbind_interface) from [<80aabc14>] (device_remove+0x64/0x6c drivers/base/dd.c:561) r10:00000000 r9:844b0c80 r8:00000044 r7:844b3874 r6:8277dc60 r5:00000000 r4:844b3830 [<80aabbb0>] (device_remove) from [<80aad100>] (__device_release_driver drivers/base/dd.c:1273 [inline]) [<80aabbb0>] (device_remove) from [<80aad100>] (device_release_driver_internal+0x18c/0x200 drivers/base/dd.c:1296) r5:00000000 r4:844b3830 [<80aacf74>] (device_release_driver_internal) from [<80aad18c>] (device_release_driver+0x18/0x1c drivers/base/dd.c:1319) r9:844b0c80 r8:83410140 r7:83410138 r6:8341010c r5:844b3830 r4:83410130 [<80aad174>] (device_release_driver) from [<80aab270>] (bus_remove_device+0xcc/0x120 drivers/base/bus.c:576) [<80aab1a4>] (bus_remove_device) from [<80aa55ac>] (device_del+0x148/0x38c drivers/base/core.c:3864) r9:844b0c80 r8:8357b000 r7:04208060 r6:00000000 r5:844b3830 r4:844b3874 [<80aa5464>] (device_del) from [<80dee34c>] (usb_disable_device+0xdc/0x1f0 drivers/usb/core/message.c:1418) r10:00000000 r9:00000000 r8:844b3800 r7:844b0c00 r6:842e7a48 r5:00000002 r4:00000070 [<80dee270>] (usb_disable_device) from [<80de31b0>] (usb_disconnect+0xec/0x29c drivers/usb/core/hub.c:2304) r10:00000001 r9:8450a000 r8:844b0cc4 r7:83d3a800 r6:844b0c80 r5:844b0c00 r4:60000013 [<80de30c4>] (usb_disconnect) from [<80de5e60>] (hub_port_connect drivers/usb/core/hub.c:5361 [inline]) [<80de30c4>] (usb_disconnect) from [<80de5e60>] (hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]) [<80de30c4>] (usb_disconnect) from [<80de5e60>] (port_event drivers/usb/core/hub.c:5821 [inline]) [<80de30c4>] (usb_disconnect) from [<80de5e60>] (hub_event+0xe78/0x194c drivers/usb/core/hub.c:5903) r10:00000001 r9:00000100 r8:83c7f100 r7:844b0c00 r6:83d3a000 r5:83d3aa10 r4:00000001 [<80de4fe8>] (hub_event) from [<80266034>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r10:82fd8405 r9:8357b000 r8:00800000 r7:dddd00c0 r6:82fd8400 r5:83c7f100 r4:83e18e00 [<80265e80>] (process_one_work) from [<80266c18>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80265e80>] (process_one_work) from [<80266c18>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:8357b000 r9:83e18e2c r8:61c88647 r7:dddd00e0 r6:82604d40 r5:dddd00c0 r4:83e18e00 [<80266a2c>] (worker_thread) from [<8026fc94>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:df839e78 r8:83e16fc0 r7:83e18e00 r6:80266a2c r5:8357b000 r4:83e16f40 [<8026fb90>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb0b9fb0 to 0xeb0b9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026fb90 r4:83e16f40 Rebooting in 86400 seconds.. final repro crashed as (corrupted=false): dm9601 1-1:47.0 eth1: unregister 'dm9601' usb-dummy_hcd.0-1, Davicom DM96xx USB 10/100 Ethernet ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1781 at lib/debugobjects.c:514 debug_print_object+0xc4/0xd8 lib/debugobjects.c:514 ODEBUG: free active (active state 0) object: 8436afcc object type: work_struct hint: usbnet_deferred_kevent+0x0/0x394 drivers/net/usb/usbnet.c:633 Modules linked in: Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 0 UID: 0 PID: 1781 Comm: kworker/0:3 Not tainted 6.12.0-rc5-syzkaller #0 Hardware name: ARM-Versatile Express Workqueue: usb_hub_wq hub_event Call trace: [<8199a4d8>] (dump_backtrace) from [<8199a5d4>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:82622f44 r5:00000000 r4:8203d914 [<8199a5bc>] (show_stack) from [<819b8a70>] (__dump_stack lib/dump_stack.c:94 [inline]) [<8199a5bc>] (show_stack) from [<819b8a70>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:120) [<819b8a1c>] (dump_stack_lvl) from [<819b8ab0>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000000 r4:82870d18 [<819b8a98>] (dump_stack) from [<8199b100>] (panic+0x120/0x374 kernel/panic.c:354) [<8199afe0>] (panic) from [<802420e0>] (check_panic_on_warn kernel/panic.c:243 [inline]) [<8199afe0>] (panic) from [<802420e0>] (get_taint+0x0/0x1c kernel/panic.c:238) r3:8260c5c4 r2:00000001 r1:82025ce8 r0:8202d750 r7:808547a0 [<8024206c>] (check_panic_on_warn) from [<80242244>] (__warn+0x80/0x188 kernel/panic.c:748) [<802421c4>] (__warn) from [<80242534>] (warn_slowpath_fmt+0x1e8/0x1f4 kernel/panic.c:783) r8:00000009 r7:8208ca38 r6:eb0b9a8c r5:8357b000 r4:00000000 [<80242350>] (warn_slowpath_fmt) from [<808547a0>] (debug_print_object+0xc4/0xd8 lib/debugobjects.c:514) r10:00000005 r9:8436a800 r8:81a01c24 r7:820b7828 r6:828dd084 r5:eb0b9b34 r4:8260cda4 [<808546dc>] (debug_print_object) from [<80856030>] (__debug_check_no_obj_freed lib/debugobjects.c:989 [inline]) [<808546dc>] (debug_print_object) from [<80856030>] (debug_check_no_obj_freed+0x254/0x2a0 lib/debugobjects.c:1019) r8:8436b000 r7:8436afcc r6:00000100 r5:00000003 r4:00000000 [<80855ddc>] (debug_check_no_obj_freed) from [<804c91c4>] (slab_free_hook mm/slub.c:2273 [inline]) [<80855ddc>] (debug_check_no_obj_freed) from [<804c91c4>] (slab_free mm/slub.c:4579 [inline]) [<80855ddc>] (debug_check_no_obj_freed) from [<804c91c4>] (kfree+0x190/0x394 mm/slub.c:4727) r10:8277dc60 r9:844b0c80 r8:8436a800 r7:8046d198 r6:82c023c0 r5:dde90aa0 r4:8436a800 [<804c9034>] (kfree) from [<8046d198>] (kvfree+0x2c/0x30 mm/util.c:701) r10:8277dc60 r9:844b0c80 r8:8436a800 r7:00000000 r6:845e6200 r5:84745e80 r4:8436a800 [<8046d16c>] (kvfree) from [<814fc658>] (netdev_release+0x2c/0x34 net/core/net-sysfs.c:2034) r5:84745e80 r4:8436a800 [<814fc62c>] (netdev_release) from [<80aa3b24>] (device_release+0x38/0xa8 drivers/base/core.c:2575) r5:84745e80 r4:8436abc0 [<80aa3aec>] (device_release) from [<8197432c>] (kobject_cleanup lib/kobject.c:689 [inline]) [<80aa3aec>] (device_release) from [<8197432c>] (kobject_release lib/kobject.c:720 [inline]) [<80aa3aec>] (device_release) from [<8197432c>] (kref_put include/linux/kref.h:65 [inline]) [<80aa3aec>] (device_release) from [<8197432c>] (kobject_put+0xa0/0x1f4 lib/kobject.c:737) r5:81b4c9c4 r4:8436abc0 [<8197428c>] (kobject_put) from [<80aa3d50>] (put_device+0x18/0x1c drivers/base/core.c:3783) r7:844b3800 r6:00000000 r5:8436a800 r4:00000000 [<80aa3d38>] (put_device) from [<814b0d24>] (free_netdev+0x134/0x1ac net/core/dev.c:11255) [<814b0bf0>] (free_netdev) from [<80d88104>] (usbnet_disconnect+0xb8/0xfc drivers/net/usb/usbnet.c:1652) r6:8436af94 r5:8436ae80 r4:00000000 [<80d8804c>] (usbnet_disconnect) from [<80df0930>] (usb_unbind_interface+0x84/0x2c4 drivers/usb/core/driver.c:461) r8:00000044 r7:844b3830 r6:8277dc60 r5:00000000 r4:844b3800 [<80df08ac>] (usb_unbind_interface) from [<80aabc14>] (device_remove drivers/base/dd.c:569 [inline]) [<80df08ac>] (usb_unbind_interface) from [<80aabc14>] (device_remove+0x64/0x6c drivers/base/dd.c:561) r10:00000000 r9:844b0c80 r8:00000044 r7:844b3874 r6:8277dc60 r5:00000000 r4:844b3830 [<80aabbb0>] (device_remove) from [<80aad100>] (__device_release_driver drivers/base/dd.c:1273 [inline]) [<80aabbb0>] (device_remove) from [<80aad100>] (device_release_driver_internal+0x18c/0x200 drivers/base/dd.c:1296) r5:00000000 r4:844b3830 [<80aacf74>] (device_release_driver_internal) from [<80aad18c>] (device_release_driver+0x18/0x1c drivers/base/dd.c:1319) r9:844b0c80 r8:83410140 r7:83410138 r6:8341010c r5:844b3830 r4:83410130 [<80aad174>] (device_release_driver) from [<80aab270>] (bus_remove_device+0xcc/0x120 drivers/base/bus.c:576) [<80aab1a4>] (bus_remove_device) from [<80aa55ac>] (device_del+0x148/0x38c drivers/base/core.c:3864) r9:844b0c80 r8:8357b000 r7:04208060 r6:00000000 r5:844b3830 r4:844b3874 [<80aa5464>] (device_del) from [<80dee34c>] (usb_disable_device+0xdc/0x1f0 drivers/usb/core/message.c:1418) r10:00000000 r9:00000000 r8:844b3800 r7:844b0c00 r6:842e7a48 r5:00000002 r4:00000070 [<80dee270>] (usb_disable_device) from [<80de31b0>] (usb_disconnect+0xec/0x29c drivers/usb/core/hub.c:2304) r10:00000001 r9:8450a000 r8:844b0cc4 r7:83d3a800 r6:844b0c80 r5:844b0c00 r4:60000013 [<80de30c4>] (usb_disconnect) from [<80de5e60>] (hub_port_connect drivers/usb/core/hub.c:5361 [inline]) [<80de30c4>] (usb_disconnect) from [<80de5e60>] (hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]) [<80de30c4>] (usb_disconnect) from [<80de5e60>] (port_event drivers/usb/core/hub.c:5821 [inline]) [<80de30c4>] (usb_disconnect) from [<80de5e60>] (hub_event+0xe78/0x194c drivers/usb/core/hub.c:5903) r10:00000001 r9:00000100 r8:83c7f100 r7:844b0c00 r6:83d3a000 r5:83d3aa10 r4:00000001 [<80de4fe8>] (hub_event) from [<80266034>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r10:82fd8405 r9:8357b000 r8:00800000 r7:dddd00c0 r6:82fd8400 r5:83c7f100 r4:83e18e00 [<80265e80>] (process_one_work) from [<80266c18>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80265e80>] (process_one_work) from [<80266c18>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:8357b000 r9:83e18e2c r8:61c88647 r7:dddd00e0 r6:82604d40 r5:dddd00c0 r4:83e18e00 [<80266a2c>] (worker_thread) from [<8026fc94>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:df839e78 r8:83e16fc0 r7:83e18e00 r6:80266a2c r5:8357b000 r4:83e16f40 [<8026fb90>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb0b9fb0 to 0xeb0b9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026fb90 r4:83e16f40 Rebooting in 86400 seconds..