Extracting prog: 3m6.237747387s
Minimizing prog: 1h8m31.800265366s
Simplifying prog options: 0s
Extracting C: 1m14.147673335s
Simplifying C: 10m25.463019356s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_fuse_handle_req
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f00000011c0)=ANY=[@ANYBLOB="12010000020000402505a1a440000102030109025c0002010000000904000001020d0000052406000105240000000d240f0100000000000000000006241a0000000905810300020000000904010008020d00000904010122020d000009058202000200000009050302", @ANYRESDEC], 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f00000007c0)={0x44, 0x0, 0x0, 0x0, &(0x7f0000000300)={0x20, 0x80, 0x1c}, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, 0x0)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_fuse_handle_req
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f00000011c0)=ANY=[@ANYBLOB="12010000020000402505a1a440000102030109025c0002010000000904000001020d0000052406000105240000000d240f0100000000000000000006241a0000000905810300020000000904010008020d00000904010122020d000009058202000200000009050302", @ANYRESDEC], 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f00000007c0)={0x44, 0x0, 0x0, 0x0, &(0x7f0000000300)={0x20, 0x80, 0x1c}, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, 0x0)

program crashed: KASAN: use-after-free Read in worker_thread
single: successfully extracted reproducer
found reproducer with 7 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f00000011c0)=ANY=[@ANYBLOB="12010000020000402505a1a440000102030109025c0002010000000904000001020d0000052406000105240000000d240f0100000000000000000006241a0000000905810300020000000904010008020d00000904010122020d000009058202000200000009050302", @ANYRESDEC], 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f00000007c0)={0x44, 0x0, 0x0, 0x0, &(0x7f0000000300)={0x20, 0x80, 0x1c}, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0)

program crashed: KASAN: use-after-free Read in worker_thread
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f00000011c0)=ANY=[@ANYBLOB="12010000020000402505a1a440000102030109025c0002010000000904000001020d0000052406000105240000000d240f0100000000000000000006241a0000000905810300020000000904010008020d00000904010122020d000009058202000200000009050302", @ANYRESDEC], 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f00000007c0)={0x44, 0x0, 0x0, 0x0, &(0x7f0000000300)={0x20, 0x80, 0x1c}, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io$cdc_ncm(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: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$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f00000011c0)=ANY=[@ANYBLOB="12010000020000402505a1a440000102030109025c0002010000000904000001020d0000052406000105240000000d240f0100000000000000000006241a0000000905810300020000000904010008020d00000904010122020d000009058202000200000009050302", @ANYRESDEC], 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f00000007c0)={0x44, 0x0, 0x0, 0x0, &(0x7f0000000300)={0x20, 0x80, 0x1c}, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io$cdc_ncm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f00000011c0)=ANY=[@ANYBLOB="12010000020000402505a1a440000102030109025c0002010000000904000001020d0000052406000105240000000d240f0100000000000000000006241a0000000905810300020000000904010008020d00000904010122020d000009058202000200000009050302", @ANYRESDEC], 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f00000011c0)=ANY=[@ANYBLOB="12010000020000402505a1a440000102030109025c0002010000000904000001020d0000052406000105240000000d240f0100000000000000000006241a0000000905810300020000000904010008020d00000904010122020d000009058202000200000009050302", @ANYRESDEC], 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f00000007c0)={0x44, 0x0, 0x0, 0x0, &(0x7f0000000300)={0x20, 0x80, 0x1c}, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm
detailed listing:
executing program 0:
syz_usb_control_io$cdc_ncm(0xffffffffffffffff, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(0xffffffffffffffff, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(0xffffffffffffffff, 0x0, &(0x7f00000007c0)={0x44, 0x0, 0x0, 0x0, &(0x7f0000000300)={0x20, 0x80, 0x1c}, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io$cdc_ncm(0xffffffffffffffff, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(0xffffffffffffffff, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ncm(0x0, 0x6e, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f00000007c0)={0x44, 0x0, 0x0, 0x0, &(0x7f0000000300)={0x20, 0x80, 0x1c}, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f00000011c0)=ANY=[@ANYBLOB, @ANYRESDEC], 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f00000007c0)={0x44, 0x0, 0x0, 0x0, &(0x7f0000000300)={0x20, 0x80, 0x1c}, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f00000011c0)=ANY=[@ANYBLOB="12010000020000402505a1a440000102030109025c0002010000000904000001020d0000052406000105240000000d240f0100000000000000000006241a0000000905810300020000000904010008020d00000904010122020d000009058202000200000009050302", @ANYRESDEC], 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f00000011c0)=ANY=[@ANYBLOB="12010000020000402505a1a440000102030109025c0002010000000904000001020d0000052406000105240000000d240f0100000000000000000006241a0000000905810300020000000904010008020d00000904010122020d000009058202000200000009050302", @ANYRESDEC], 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f00000007c0)={0x44, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f00000011c0)=ANY=[@ANYBLOB="12010000020000402505a1a440000102030109025c0002010000000904000001020d0000052406000105240000000d240f0100000000000000000006241a0000000905810300020000000904010008020d00000904010122020d000009058202000200000009050302", @ANYRESDEC], 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f00000007c0)={0x44, 0x0, 0x0, 0x0, &(0x7f0000000300)={0x20, 0x80, 0x1c}, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(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: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$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f00000011c0)=ANY=[@ANYBLOB="12010000020000402505a1a440000102030109025c0002010000000904000001020d0000052406000105240000000d240f0100000000000000000006241a0000000905810300020000000904010008020d00000904010122020d000009058202000200000009050302", @ANYRESDEC], 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f00000007c0)={0x44, 0x0, 0x0, 0x0, &(0x7f0000000300)={0x20, 0x80, 0x1c}, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, &(0x7f0000000080)={0x14, 0x0, 0x0}, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm
program crashed: KASAN: use-after-free Read in worker_thread
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm
program crashed: KASAN: use-after-free Read in process_one_work
a never seen crash title: KASAN: use-after-free Read in process_one_work, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm
program crashed: KASAN: use-after-free Read in worker_thread
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm
program crashed: KASAN: use-after-free Read in worker_thread
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm
program crashed: KASAN: use-after-free Read in process_one_work
a never seen crash title: KASAN: use-after-free Read in process_one_work, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm
program crashed: KASAN: use-after-free Read in worker_thread
reproducing took 1h23m17.648731984s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in worker_thread+0xaaa/0x12a0 kernel/workqueue.c:2470
Read of size 8 at addr ffff888111c0ec60 by task kworker/1:7/359

CPU: 1 PID: 359 Comm: kworker/1:7 Not tainted 5.15.176-syzkaller-00972-g829d9f138569 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue:  0x0 (events)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1c0 lib/dump_stack.c:106
 print_address_description+0x87/0x3b0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x179/0x1c0 mm/kasan/report.c:444
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:309
 worker_thread+0xaaa/0x12a0 kernel/workqueue.c:2470
 kthread+0x421/0x510 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>

Allocated by task 326:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 ____kasan_kmalloc+0xdb/0x110 mm/kasan/common.c:512
 __kasan_kmalloc+0x9/0x10 mm/kasan/common.c:521
 kasan_kmalloc include/linux/kasan.h:227 [inline]
 __kmalloc+0x13f/0x2c0 mm/slub.c:4431
 __kmalloc_node include/linux/slab.h:469 [inline]
 kmalloc_node include/linux/slab.h:626 [inline]
 kvmalloc_node+0x1f0/0x4d0 mm/util.c:628
 kvmalloc include/linux/mm.h:851 [inline]
 kvzalloc include/linux/mm.h:859 [inline]
 alloc_netdev_mqs+0x8c/0xc90 net/core/dev.c:10868
 alloc_etherdev_mqs+0x33/0x40 net/ethernet/eth.c:383
 usbnet_probe+0x1fa/0x2860 drivers/net/usb/usbnet.c:1712
 usb_probe_interface+0x5b6/0xa90 drivers/usb/core/driver.c:396
 really_probe+0x28d/0x970 drivers/base/dd.c:595
 __driver_probe_device+0x1a0/0x310 drivers/base/dd.c:755
 driver_probe_device+0x54/0x3d0 drivers/base/dd.c:785
 __device_attach_driver+0x2c5/0x470 drivers/base/dd.c:907
 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:429
 __device_attach+0x312/0x510 drivers/base/dd.c:979
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
 bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:489
 device_add+0xb60/0xf10 drivers/base/core.c:3422
 usb_set_configuration+0x190f/0x1e80 drivers/usb/core/message.c:2165
 usb_generic_driver_probe+0x8b/0x150 drivers/usb/core/generic.c:238
 usb_probe_device+0x144/0x260 drivers/usb/core/driver.c:293
 really_probe+0x28d/0x970 drivers/base/dd.c:595
 __driver_probe_device+0x1a0/0x310 drivers/base/dd.c:755
 driver_probe_device+0x54/0x3d0 drivers/base/dd.c:785
 __device_attach_driver+0x2c5/0x470 drivers/base/dd.c:907
 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:429
 __device_attach+0x312/0x510 drivers/base/dd.c:979
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
 bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:489
 device_add+0xb60/0xf10 drivers/base/core.c:3422
 usb_new_device+0x1038/0x1c00 drivers/usb/core/hub.c:2599
 hub_port_connect drivers/usb/core/hub.c:5513 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5653 [inline]
 port_event drivers/usb/core/hub.c:5803 [inline]
 hub_event+0x2def/0x4770 drivers/usb/core/hub.c:5885
 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325
 process_scheduled_works kernel/workqueue.c:2388 [inline]
 worker_thread+0xe02/0x12a0 kernel/workqueue.c:2474
 kthread+0x421/0x510 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

Freed by task 326:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x126/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1723 [inline]
 slab_free_freelist_hook+0xbd/0x190 mm/slub.c:1749
 slab_free mm/slub.c:3521 [inline]
 kfree+0xcc/0x270 mm/slub.c:4583
 kvfree+0x35/0x40 mm/util.c:664
 netdev_freemem+0x3f/0x60 net/core/dev.c:10822
 netdev_release+0x7f/0xb0 net/core/net-sysfs.c:1903
 device_release+0x95/0x1c0
 kobject_cleanup lib/kobject.c:713 [inline]
 kobject_release lib/kobject.c:744 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x178/0x260 lib/kobject.c:761
 put_device+0x1f/0x30 drivers/base/core.c:3530
 free_netdev+0x34f/0x440 net/core/dev.c:11008
 usbnet_disconnect+0x25f/0x3b0 drivers/net/usb/usbnet.c:1651
 usb_unbind_interface+0x1fa/0x8c0 drivers/usb/core/driver.c:458
 __device_release_driver drivers/base/dd.c:1229 [inline]
 device_release_driver_internal+0x50b/0x7d0 drivers/base/dd.c:1262
 device_release_driver+0x19/0x20 drivers/base/dd.c:1285
 bus_remove_device+0x2f8/0x360 drivers/base/bus.c:531
 device_del+0x663/0xe90 drivers/base/core.c:3610
 usb_disable_device+0x380/0x720 drivers/usb/core/message.c:1414
 usb_disconnect+0x32a/0x890 drivers/usb/core/hub.c:2249
 hub_port_connect drivers/usb/core/hub.c:5352 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5653 [inline]
 port_event drivers/usb/core/hub.c:5803 [inline]
 hub_event+0x1d42/0x4770 drivers/usb/core/hub.c:5885
 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325
 process_scheduled_works kernel/workqueue.c:2388 [inline]
 worker_thread+0xe02/0x12a0 kernel/workqueue.c:2474
 kthread+0x421/0x510 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

Last potentially related work creation:
 kasan_save_stack+0x3b/0x60 mm/kasan/common.c:38
 __kasan_record_aux_stack+0xd3/0xf0 mm/kasan/generic.c:348
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
 insert_work+0x56/0x320 kernel/workqueue.c:1373
 __queue_work+0x92a/0xcd0 kernel/workqueue.c:1539
 queue_work_on+0x105/0x170 kernel/workqueue.c:1566
 usbnet_link_change+0x182/0x1a0
 usbnet_probe+0x1dad/0x2860 drivers/net/usb/usbnet.c:1859
 usb_probe_interface+0x5b6/0xa90 drivers/usb/core/driver.c:396
 really_probe+0x28d/0x970 drivers/base/dd.c:595
 __driver_probe_device+0x1a0/0x310 drivers/base/dd.c:755
 driver_probe_device+0x54/0x3d0 drivers/base/dd.c:785
 __device_attach_driver+0x2c5/0x470 drivers/base/dd.c:907
 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:429
 __device_attach+0x312/0x510 drivers/base/dd.c:979
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
 bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:489
 device_add+0xb60/0xf10 drivers/base/core.c:3422
 usb_set_configuration+0x190f/0x1e80 drivers/usb/core/message.c:2165
 usb_generic_driver_probe+0x8b/0x150 drivers/usb/core/generic.c:238
 usb_probe_device+0x144/0x260 drivers/usb/core/driver.c:293
 really_probe+0x28d/0x970 drivers/base/dd.c:595
 __driver_probe_device+0x1a0/0x310 drivers/base/dd.c:755
 driver_probe_device+0x54/0x3d0 drivers/base/dd.c:785
 __device_attach_driver+0x2c5/0x470 drivers/base/dd.c:907
 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:429
 __device_attach+0x312/0x510 drivers/base/dd.c:979
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
 bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:489
 device_add+0xb60/0xf10 drivers/base/core.c:3422
 usb_new_device+0x1038/0x1c00 drivers/usb/core/hub.c:2599
 hub_port_connect drivers/usb/core/hub.c:5513 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5653 [inline]
 port_event drivers/usb/core/hub.c:5803 [inline]
 hub_event+0x2def/0x4770 drivers/usb/core/hub.c:5885
 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325
 process_scheduled_works kernel/workqueue.c:2388 [inline]
 worker_thread+0xe02/0x12a0 kernel/workqueue.c:2474
 kthread+0x421/0x510 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

The buggy address belongs to the object at ffff888111c0e000
 which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 3168 bytes inside of
 4096-byte region [ffff888111c0e000, ffff888111c0f000)
The buggy address belongs to the page:
page:ffffea0004470200 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x111c08
head:ffffea0004470200 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 dead000000000100 dead000000000122 ffff888100043380
raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 115, ts 4928042916, free_ts 0
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1a3/0x1b0 mm/page_alloc.c:2605
 prep_new_page+0x1b/0x110 mm/page_alloc.c:2611
 get_page_from_freelist+0x3550/0x35d0 mm/page_alloc.c:4485
 __alloc_pages+0x27e/0x8f0 mm/page_alloc.c:5780
 allocate_slab mm/slub.c:1932 [inline]
 new_slab+0x9a/0x4e0 mm/slub.c:1995
 ___slab_alloc+0x39e/0x830 mm/slub.c:3028
 __slab_alloc+0x4a/0x90 mm/slub.c:3115
 slab_alloc_node mm/slub.c:3206 [inline]
 slab_alloc mm/slub.c:3250 [inline]
 kmem_cache_alloc_trace+0x147/0x270 mm/slub.c:3267
 kmalloc include/linux/slab.h:603 [inline]
 kzalloc include/linux/slab.h:733 [inline]
 kobject_uevent_env+0x269/0x700 lib/kobject_uevent.c:539
 kobject_synth_uevent+0x4eb/0xae0 lib/kobject_uevent.c:208
 uevent_store+0x25/0x60 drivers/base/core.c:2438
 dev_attr_store+0x5c/0x80 drivers/base/core.c:2136
 sysfs_kf_write+0x123/0x140 fs/sysfs/file.c:139
 kernfs_fop_write_iter+0x2c4/0x410 fs/kernfs/file.c:296
 call_write_iter include/linux/fs.h:2206 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0xd5d/0x1110 fs/read_write.c:594
 ksys_write+0x199/0x2c0 fs/read_write.c:647
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888111c0eb00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888111c0eb80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888111c0ec00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                       ^
 ffff888111c0ec80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888111c0ed00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in worker_thread+0xaaa/0x12a0 kernel/workqueue.c:2470
Read of size 8 at addr ffff888111c0ec60 by task kworker/1:7/359

CPU: 1 PID: 359 Comm: kworker/1:7 Not tainted 5.15.176-syzkaller-00972-g829d9f138569 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue:  0x0 (events)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1c0 lib/dump_stack.c:106
 print_address_description+0x87/0x3b0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x179/0x1c0 mm/kasan/report.c:444
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:309
 worker_thread+0xaaa/0x12a0 kernel/workqueue.c:2470
 kthread+0x421/0x510 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>

Allocated by task 326:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 ____kasan_kmalloc+0xdb/0x110 mm/kasan/common.c:512
 __kasan_kmalloc+0x9/0x10 mm/kasan/common.c:521
 kasan_kmalloc include/linux/kasan.h:227 [inline]
 __kmalloc+0x13f/0x2c0 mm/slub.c:4431
 __kmalloc_node include/linux/slab.h:469 [inline]
 kmalloc_node include/linux/slab.h:626 [inline]
 kvmalloc_node+0x1f0/0x4d0 mm/util.c:628
 kvmalloc include/linux/mm.h:851 [inline]
 kvzalloc include/linux/mm.h:859 [inline]
 alloc_netdev_mqs+0x8c/0xc90 net/core/dev.c:10868
 alloc_etherdev_mqs+0x33/0x40 net/ethernet/eth.c:383
 usbnet_probe+0x1fa/0x2860 drivers/net/usb/usbnet.c:1712
 usb_probe_interface+0x5b6/0xa90 drivers/usb/core/driver.c:396
 really_probe+0x28d/0x970 drivers/base/dd.c:595
 __driver_probe_device+0x1a0/0x310 drivers/base/dd.c:755
 driver_probe_device+0x54/0x3d0 drivers/base/dd.c:785
 __device_attach_driver+0x2c5/0x470 drivers/base/dd.c:907
 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:429
 __device_attach+0x312/0x510 drivers/base/dd.c:979
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
 bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:489
 device_add+0xb60/0xf10 drivers/base/core.c:3422
 usb_set_configuration+0x190f/0x1e80 drivers/usb/core/message.c:2165
 usb_generic_driver_probe+0x8b/0x150 drivers/usb/core/generic.c:238
 usb_probe_device+0x144/0x260 drivers/usb/core/driver.c:293
 really_probe+0x28d/0x970 drivers/base/dd.c:595
 __driver_probe_device+0x1a0/0x310 drivers/base/dd.c:755
 driver_probe_device+0x54/0x3d0 drivers/base/dd.c:785
 __device_attach_driver+0x2c5/0x470 drivers/base/dd.c:907
 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:429
 __device_attach+0x312/0x510 drivers/base/dd.c:979
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
 bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:489
 device_add+0xb60/0xf10 drivers/base/core.c:3422
 usb_new_device+0x1038/0x1c00 drivers/usb/core/hub.c:2599
 hub_port_connect drivers/usb/core/hub.c:5513 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5653 [inline]
 port_event drivers/usb/core/hub.c:5803 [inline]
 hub_event+0x2def/0x4770 drivers/usb/core/hub.c:5885
 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325
 process_scheduled_works kernel/workqueue.c:2388 [inline]
 worker_thread+0xe02/0x12a0 kernel/workqueue.c:2474
 kthread+0x421/0x510 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

Freed by task 326:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x126/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1723 [inline]
 slab_free_freelist_hook+0xbd/0x190 mm/slub.c:1749
 slab_free mm/slub.c:3521 [inline]
 kfree+0xcc/0x270 mm/slub.c:4583
 kvfree+0x35/0x40 mm/util.c:664
 netdev_freemem+0x3f/0x60 net/core/dev.c:10822
 netdev_release+0x7f/0xb0 net/core/net-sysfs.c:1903
 device_release+0x95/0x1c0
 kobject_cleanup lib/kobject.c:713 [inline]
 kobject_release lib/kobject.c:744 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x178/0x260 lib/kobject.c:761
 put_device+0x1f/0x30 drivers/base/core.c:3530
 free_netdev+0x34f/0x440 net/core/dev.c:11008
 usbnet_disconnect+0x25f/0x3b0 drivers/net/usb/usbnet.c:1651
 usb_unbind_interface+0x1fa/0x8c0 drivers/usb/core/driver.c:458
 __device_release_driver drivers/base/dd.c:1229 [inline]
 device_release_driver_internal+0x50b/0x7d0 drivers/base/dd.c:1262
 device_release_driver+0x19/0x20 drivers/base/dd.c:1285
 bus_remove_device+0x2f8/0x360 drivers/base/bus.c:531
 device_del+0x663/0xe90 drivers/base/core.c:3610
 usb_disable_device+0x380/0x720 drivers/usb/core/message.c:1414
 usb_disconnect+0x32a/0x890 drivers/usb/core/hub.c:2249
 hub_port_connect drivers/usb/core/hub.c:5352 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5653 [inline]
 port_event drivers/usb/core/hub.c:5803 [inline]
 hub_event+0x1d42/0x4770 drivers/usb/core/hub.c:5885
 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325
 process_scheduled_works kernel/workqueue.c:2388 [inline]
 worker_thread+0xe02/0x12a0 kernel/workqueue.c:2474
 kthread+0x421/0x510 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

Last potentially related work creation:
 kasan_save_stack+0x3b/0x60 mm/kasan/common.c:38
 __kasan_record_aux_stack+0xd3/0xf0 mm/kasan/generic.c:348
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
 insert_work+0x56/0x320 kernel/workqueue.c:1373
 __queue_work+0x92a/0xcd0 kernel/workqueue.c:1539
 queue_work_on+0x105/0x170 kernel/workqueue.c:1566
 usbnet_link_change+0x182/0x1a0
 usbnet_probe+0x1dad/0x2860 drivers/net/usb/usbnet.c:1859
 usb_probe_interface+0x5b6/0xa90 drivers/usb/core/driver.c:396
 really_probe+0x28d/0x970 drivers/base/dd.c:595
 __driver_probe_device+0x1a0/0x310 drivers/base/dd.c:755
 driver_probe_device+0x54/0x3d0 drivers/base/dd.c:785
 __device_attach_driver+0x2c5/0x470 drivers/base/dd.c:907
 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:429
 __device_attach+0x312/0x510 drivers/base/dd.c:979
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
 bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:489
 device_add+0xb60/0xf10 drivers/base/core.c:3422
 usb_set_configuration+0x190f/0x1e80 drivers/usb/core/message.c:2165
 usb_generic_driver_probe+0x8b/0x150 drivers/usb/core/generic.c:238
 usb_probe_device+0x144/0x260 drivers/usb/core/driver.c:293
 really_probe+0x28d/0x970 drivers/base/dd.c:595
 __driver_probe_device+0x1a0/0x310 drivers/base/dd.c:755
 driver_probe_device+0x54/0x3d0 drivers/base/dd.c:785
 __device_attach_driver+0x2c5/0x470 drivers/base/dd.c:907
 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:429
 __device_attach+0x312/0x510 drivers/base/dd.c:979
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
 bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:489
 device_add+0xb60/0xf10 drivers/base/core.c:3422
 usb_new_device+0x1038/0x1c00 drivers/usb/core/hub.c:2599
 hub_port_connect drivers/usb/core/hub.c:5513 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5653 [inline]
 port_event drivers/usb/core/hub.c:5803 [inline]
 hub_event+0x2def/0x4770 drivers/usb/core/hub.c:5885
 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325
 process_scheduled_works kernel/workqueue.c:2388 [inline]
 worker_thread+0xe02/0x12a0 kernel/workqueue.c:2474
 kthread+0x421/0x510 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

The buggy address belongs to the object at ffff888111c0e000
 which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 3168 bytes inside of
 4096-byte region [ffff888111c0e000, ffff888111c0f000)
The buggy address belongs to the page:
page:ffffea0004470200 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x111c08
head:ffffea0004470200 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 dead000000000100 dead000000000122 ffff888100043380
raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 115, ts 4928042916, free_ts 0
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1a3/0x1b0 mm/page_alloc.c:2605
 prep_new_page+0x1b/0x110 mm/page_alloc.c:2611
 get_page_from_freelist+0x3550/0x35d0 mm/page_alloc.c:4485
 __alloc_pages+0x27e/0x8f0 mm/page_alloc.c:5780
 allocate_slab mm/slub.c:1932 [inline]
 new_slab+0x9a/0x4e0 mm/slub.c:1995
 ___slab_alloc+0x39e/0x830 mm/slub.c:3028
 __slab_alloc+0x4a/0x90 mm/slub.c:3115
 slab_alloc_node mm/slub.c:3206 [inline]
 slab_alloc mm/slub.c:3250 [inline]
 kmem_cache_alloc_trace+0x147/0x270 mm/slub.c:3267
 kmalloc include/linux/slab.h:603 [inline]
 kzalloc include/linux/slab.h:733 [inline]
 kobject_uevent_env+0x269/0x700 lib/kobject_uevent.c:539
 kobject_synth_uevent+0x4eb/0xae0 lib/kobject_uevent.c:208
 uevent_store+0x25/0x60 drivers/base/core.c:2438
 dev_attr_store+0x5c/0x80 drivers/base/core.c:2136
 sysfs_kf_write+0x123/0x140 fs/sysfs/file.c:139
 kernfs_fop_write_iter+0x2c4/0x410 fs/kernfs/file.c:296
 call_write_iter include/linux/fs.h:2206 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0xd5d/0x1110 fs/read_write.c:594
 ksys_write+0x199/0x2c0 fs/read_write.c:647
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888111c0eb00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888111c0eb80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888111c0ec00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                       ^
 ffff888111c0ec80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888111c0ed00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================