Extracting prog: 2m34.367123937s
Minimizing prog: 24m1.562256281s
Simplifying prog options: 6m14.589731302s
Extracting C: 2m16.236365083s
Simplifying C: 0s


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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939
detailed listing:
executing program 0:
r0 = socket$can_j1939(0x1d, 0x2, 0x7)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', <r1=>0x0})
setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4)
bind$can_j1939(r0, &(0x7f0000000140)={0x1d, r1, 0x102030405060708, {}, 0x20}, 0x18)
connect$can_j1939(r0, &(0x7f0000000180)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18)
sendmsg$can_j1939(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)="0807060504030201", 0x8}}, 0x0)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs: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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939
detailed listing:
executing program 0:
r0 = socket$can_j1939(0x1d, 0x2, 0x7)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', <r1=>0x0})
setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4)
bind$can_j1939(r0, &(0x7f0000000140)={0x1d, r1, 0x102030405060708, {}, 0x20}, 0x18)
connect$can_j1939(r0, &(0x7f0000000180)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18)
sendmsg$can_j1939(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)="0807060504030201", 0x8}}, 0x0)

program crashed: unregister_netdevice: waiting for DEV to become free
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=1m39.882978746s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-connect$can_j1939
detailed listing:
executing program 0:
r0 = socket$can_j1939(0x1d, 0x2, 0x7)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', <r1=>0x0})
setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4)
bind$can_j1939(r0, &(0x7f0000000140)={0x1d, r1, 0x102030405060708, {}, 0x20}, 0x18)
connect$can_j1939(r0, &(0x7f0000000180)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18)

program did not crash
testing program (duration=1m39.882978746s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-sendmsg$can_j1939
detailed listing:
executing program 0:
r0 = socket$can_j1939(0x1d, 0x2, 0x7)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', <r1=>0x0})
setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4)
bind$can_j1939(r0, &(0x7f0000000140)={0x1d, r1, 0x102030405060708, {}, 0x20}, 0x18)
sendmsg$can_j1939(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)="0807060504030201", 0x8}}, 0x0)

program did not crash
testing program (duration=1m39.882978746s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-connect$can_j1939-sendmsg$can_j1939
detailed listing:
executing program 0:
r0 = socket$can_j1939(0x1d, 0x2, 0x7)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', <r1=>0x0})
setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4)
connect$can_j1939(r0, &(0x7f0000000180)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18)
sendmsg$can_j1939(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)="0807060504030201", 0x8}}, 0x0)

program did not crash
testing program (duration=1m39.882978746s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939
detailed listing:
executing program 0:
r0 = socket$can_j1939(0x1d, 0x2, 0x7)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', <r1=>0x0})
bind$can_j1939(r0, &(0x7f0000000140)={0x1d, r1, 0x102030405060708, {}, 0x20}, 0x18)
connect$can_j1939(r0, &(0x7f0000000180)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18)
sendmsg$can_j1939(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)="0807060504030201", 0x8}}, 0x0)

program did not crash
testing program (duration=1m39.882978746s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939
detailed listing:
executing program 0:
r0 = socket$can_j1939(0x1d, 0x2, 0x7)
setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4)
bind$can_j1939(r0, &(0x7f0000000140)={0x1d, 0x0, 0x102030405060708, {}, 0x20}, 0x18)
connect$can_j1939(r0, &(0x7f0000000180)={0x1d, 0x0, 0x0, {0x0, 0xee}, 0xff}, 0x18)
sendmsg$can_j1939(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)="0807060504030201", 0x8}}, 0x0)

program did not crash
testing program (duration=1m39.882978746s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939
detailed listing:
executing program 0:
ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'vcan0\x00', <r0=>0x0})
setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4)
bind$can_j1939(0xffffffffffffffff, &(0x7f0000000140)={0x1d, r0, 0x102030405060708, {}, 0x20}, 0x18)
connect$can_j1939(0xffffffffffffffff, &(0x7f0000000180)={0x1d, r0, 0x0, {0x0, 0xee}, 0xff}, 0x18)
sendmsg$can_j1939(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)="0807060504030201", 0x8}}, 0x0)

program did not crash
testing program (duration=1m39.882978746s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939
detailed listing:
executing program 0:
r0 = socket$can_j1939(0x1d, 0x2, 0x7)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, 0x0)
setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4)
bind$can_j1939(r0, &(0x7f0000000140)={0x1d, 0x0, 0x102030405060708, {}, 0x20}, 0x18)
connect$can_j1939(r0, &(0x7f0000000180)={0x1d, 0x0, 0x0, {0x0, 0xee}, 0xff}, 0x18)
sendmsg$can_j1939(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)="0807060504030201", 0x8}}, 0x0)

program did not crash
testing program (duration=1m39.882978746s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939
detailed listing:
executing program 0:
r0 = socket$can_j1939(0x1d, 0x2, 0x7)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', <r1=>0x0})
setsockopt$sock_int(r0, 0x1, 0x6, 0x0, 0x0)
bind$can_j1939(r0, &(0x7f0000000140)={0x1d, r1, 0x102030405060708, {}, 0x20}, 0x18)
connect$can_j1939(r0, &(0x7f0000000180)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18)
sendmsg$can_j1939(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)="0807060504030201", 0x8}}, 0x0)

program did not crash
testing program (duration=1m39.882978746s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939
detailed listing:
executing program 0:
r0 = socket$can_j1939(0x1d, 0x2, 0x7)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', <r1=>0x0})
setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4)
bind$can_j1939(r0, 0x0, 0x0)
connect$can_j1939(r0, &(0x7f0000000180)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18)
sendmsg$can_j1939(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)="0807060504030201", 0x8}}, 0x0)

program did not crash
testing program (duration=1m39.882978746s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939
detailed listing:
executing program 0:
r0 = socket$can_j1939(0x1d, 0x2, 0x7)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', <r1=>0x0})
setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4)
bind$can_j1939(r0, &(0x7f0000000140)={0x1d, r1, 0x102030405060708, {}, 0x20}, 0x18)
connect$can_j1939(r0, 0x0, 0x0)
sendmsg$can_j1939(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)="0807060504030201", 0x8}}, 0x0)

program did not crash
testing program (duration=1m39.882978746s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939
detailed listing:
executing program 0:
r0 = socket$can_j1939(0x1d, 0x2, 0x7)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', <r1=>0x0})
setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4)
bind$can_j1939(r0, &(0x7f0000000140)={0x1d, r1, 0x102030405060708, {}, 0x20}, 0x18)
connect$can_j1939(r0, &(0x7f0000000180)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18)
sendmsg$can_j1939(r0, 0x0, 0x0)

program did not crash
testing program (duration=1m39.882978746s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939
detailed listing:
executing program 0:
r0 = socket$can_j1939(0x1d, 0x2, 0x7)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', <r1=>0x0})
setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4)
bind$can_j1939(r0, &(0x7f0000000140)={0x1d, r1, 0x102030405060708, {}, 0x20}, 0x18)
connect$can_j1939(r0, &(0x7f0000000180)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18)
sendmsg$can_j1939(r0, &(0x7f0000000200)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=1m39.882978746s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939
detailed listing:
executing program 0:
r0 = socket$can_j1939(0x1d, 0x2, 0x7)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', <r1=>0x0})
setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4)
bind$can_j1939(r0, &(0x7f0000000140)={0x1d, r1, 0x102030405060708, {}, 0x20}, 0x18)
connect$can_j1939(r0, &(0x7f0000000180)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18)
sendmsg$can_j1939(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0)

program did not crash
testing program (duration=1m39.882978746s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939
detailed listing:
executing program 0:
r0 = socket$can_j1939(0x1d, 0x2, 0x7)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', <r1=>0x0})
setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4)
bind$can_j1939(r0, &(0x7f0000000140)={0x1d, r1, 0x102030405060708, {}, 0x20}, 0x18)
connect$can_j1939(r0, &(0x7f0000000180)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18)
sendmsg$can_j1939(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)}}, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m39.882978746s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939
program did not crash
simplifying guilty program options
testing program (duration=1m39.882978746s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939
detailed listing:
executing program 0:
r0 = socket$can_j1939(0x1d, 0x2, 0x7)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', <r1=>0x0})
setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4)
bind$can_j1939(r0, &(0x7f0000000140)={0x1d, r1, 0x102030405060708, {}, 0x20}, 0x18)
connect$can_j1939(r0, &(0x7f0000000180)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18)
sendmsg$can_j1939(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)="0807060504030201", 0x8}}, 0x0)

program crashed: unregister_netdevice: waiting for DEV to become free
extracting C reproducer
testing compiled C program (duration=1m39.882978746s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939
program did not crash
testing program (duration=1m39.882978746s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939
detailed listing:
executing program 0:
r0 = socket$can_j1939(0x1d, 0x2, 0x7)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', <r1=>0x0})
setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4)
bind$can_j1939(r0, &(0x7f0000000140)={0x1d, r1, 0x102030405060708, {}, 0x20}, 0x18)
connect$can_j1939(r0, &(0x7f0000000180)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18)
sendmsg$can_j1939(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)="0807060504030201", 0x8}}, 0x0)

program crashed: unregister_netdevice: waiting for DEV to become free
extracting C reproducer
testing compiled C program (duration=1m39.882978746s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939
program did not crash
testing program (duration=1m39.882978746s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939
detailed listing:
executing program 0:
r0 = socket$can_j1939(0x1d, 0x2, 0x7)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', <r1=>0x0})
setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4)
bind$can_j1939(r0, &(0x7f0000000140)={0x1d, r1, 0x102030405060708, {}, 0x20}, 0x18)
connect$can_j1939(r0, &(0x7f0000000180)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18)
sendmsg$can_j1939(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)="0807060504030201", 0x8}}, 0x0)

program crashed: unregister_netdevice: waiting for DEV to become free
validation run: crashed=true
testing program (duration=1m39.882978746s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939
detailed listing:
executing program 0:
r0 = socket$can_j1939(0x1d, 0x2, 0x7)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', <r1=>0x0})
setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4)
bind$can_j1939(r0, &(0x7f0000000140)={0x1d, r1, 0x102030405060708, {}, 0x20}, 0x18)
connect$can_j1939(r0, &(0x7f0000000180)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18)
sendmsg$can_j1939(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)="0807060504030201", 0x8}}, 0x0)

program crashed: unregister_netdevice: waiting for DEV to become free
validation run: crashed=true
testing program (duration=1m39.882978746s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-setsockopt$sock_int-bind$can_j1939-connect$can_j1939-sendmsg$can_j1939
detailed listing:
executing program 0:
r0 = socket$can_j1939(0x1d, 0x2, 0x7)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000000c0)={'vcan0\x00', <r1=>0x0})
setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000040)=0x1, 0x4)
bind$can_j1939(r0, &(0x7f0000000140)={0x1d, r1, 0x102030405060708, {}, 0x20}, 0x18)
connect$can_j1939(r0, &(0x7f0000000180)={0x1d, r1, 0x0, {0x0, 0xee}, 0xff}, 0x18)
sendmsg$can_j1939(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)="0807060504030201", 0x8}}, 0x0)

program crashed: unregister_netdevice: waiting for DEV to become free
validation run: crashed=true
reproducing took 37m47.257065599s
repro crashed as (corrupted=false):
unregister_netdevice: waiting for vcan0 to become free. Usage count = 1201
ref_tracker: netdev@00000000b78c982f has 600/1200 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline]
     netdev_hold include/linux/netdevice.h:4557 [inline]
     j1939_ecu_create_locked+0x1bc/0x404 net/can/j1939/bus.c:159
     j1939_local_ecu_get+0xc0/0x20c net/can/j1939/bus.c:293
     j1939_sk_bind+0x370/0x78c net/can/j1939/socket.c:529
     __sys_bind_socket net/socket.c:1945 [inline]
     __sys_bind+0x1c4/0x268 net/socket.c:1976
     __do_sys_bind net/socket.c:1981 [inline]
     __se_sys_bind net/socket.c:1979 [inline]
     __arm64_sys_bind+0x84/0x9c net/socket.c:1979
     __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
     invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
     el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
     do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
     el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796
     el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815
     el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606

ref_tracker: netdev@00000000b78c982f has 600/1200 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline]
     netdev_hold include/linux/netdevice.h:4557 [inline]
     j1939_priv_create net/can/j1939/main.c:140 [inline]
     j1939_netdev_start+0x220/0x744 net/can/j1939/main.c:268
     j1939_sk_bind+0x544/0x78c net/can/j1939/socket.c:506
     __sys_bind_socket net/socket.c:1945 [inline]
     __sys_bind+0x1c4/0x268 net/socket.c:1976
     __do_sys_bind net/socket.c:1981 [inline]
     __se_sys_bind net/socket.c:1979 [inline]
     __arm64_sys_bind+0x84/0x9c net/socket.c:1979
     __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
     invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
     el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
     do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
     el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796
     el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815
     el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606


final repro crashed as (corrupted=false):
unregister_netdevice: waiting for vcan0 to become free. Usage count = 1201
ref_tracker: netdev@00000000b78c982f has 600/1200 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline]
     netdev_hold include/linux/netdevice.h:4557 [inline]
     j1939_ecu_create_locked+0x1bc/0x404 net/can/j1939/bus.c:159
     j1939_local_ecu_get+0xc0/0x20c net/can/j1939/bus.c:293
     j1939_sk_bind+0x370/0x78c net/can/j1939/socket.c:529
     __sys_bind_socket net/socket.c:1945 [inline]
     __sys_bind+0x1c4/0x268 net/socket.c:1976
     __do_sys_bind net/socket.c:1981 [inline]
     __se_sys_bind net/socket.c:1979 [inline]
     __arm64_sys_bind+0x84/0x9c net/socket.c:1979
     __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
     invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
     el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
     do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
     el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796
     el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815
     el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606

ref_tracker: netdev@00000000b78c982f has 600/1200 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline]
     netdev_hold include/linux/netdevice.h:4557 [inline]
     j1939_priv_create net/can/j1939/main.c:140 [inline]
     j1939_netdev_start+0x220/0x744 net/can/j1939/main.c:268
     j1939_sk_bind+0x544/0x78c net/can/j1939/socket.c:506
     __sys_bind_socket net/socket.c:1945 [inline]
     __sys_bind+0x1c4/0x268 net/socket.c:1976
     __do_sys_bind net/socket.c:1981 [inline]
     __se_sys_bind net/socket.c:1979 [inline]
     __arm64_sys_bind+0x84/0x9c net/socket.c:1979
     __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
     invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
     el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
     do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
     el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796
     el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815
     el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606