Extracting prog: 4m1.668395936s
Minimizing prog: 1h35m39.160112739s
Simplifying prog options: 10m15.618145979s
Extracting C: 1m45.823716935s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r4=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)

program crashed: INFO: task hung in del_device_store
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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00'})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00'})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_MASTER={0x8}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8}]}, 0x28}}, 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: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$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r1=>0x0})
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'veth0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_MASTER={0x8, 0xa, r1}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r1}]}, 0x28}}, 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: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$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r1=>0x0})
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000080)={'veth0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r3=>0x0})
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_MASTER={0x8, 0xa, r1}]}, 0x28}}, 0x0)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r1}]}, 0x28}}, 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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_MASTER={0x8}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8}]}, 0x28}}, 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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00'})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r3=>0x0})
sendmsg$nl_route(r0, 0x0, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00'})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00'})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00'})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00'})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, 0x0}, 0x0)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00'})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
program crashed: BUG: workqueue lockup
a never seen crash title: BUG: workqueue lockup, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r4=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)

program crashed: INFO: task hung in new_device_store
a never seen crash title: INFO: task hung in new_device_store, ignore
testing 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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r4=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r4=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)

program crashed: BUG: workqueue lockup in nsim_fib_event_work
validation run: crashed=true
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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r4=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)

program crashed: INFO: task hung in del_device_store
validation run: crashed=true
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: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$nl_route-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', <r2=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth0\x00', <r3=>0x0})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'veth1\x00', <r4=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=@setlink={0x28, 0x13, 0x5, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_MASTER={0x8, 0xa, r2}]}, 0x28}}, 0x0)

program crashed: INFO: task hung in nsim_bus_dev_del
validation run: crashed=true
reproducing took 2h1m8.3032702s
repro crashed as (corrupted=false):
INFO: task syz-executor:4832 blocked for more than 152 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:0     pid:4832  tgid:4832  ppid:4828   task_flags:0x400140 flags:0x00800010
Call trace:
 __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:775 (T)
 context_switch kernel/sched/core.c:5533 [inline]
 __schedule+0x135c/0x2b00 kernel/sched/core.c:7284
 __schedule_loop kernel/sched/core.c:7361 [inline]
 schedule+0x13c/0x20c kernel/sched/core.c:7376
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7433
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x5d4/0x1078 kernel/locking/mutex.c:821
 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874
 device_lock include/linux/device.h:1104 [inline]
 device_del+0xa4/0x71c drivers/base/core.c:3927
 device_unregister+0x2c/0xf0 drivers/base/core.c:4006
 nsim_bus_dev_del+0x60/0x8c drivers/net/netdevsim/bus.c:488
 del_device_store+0x24c/0x2d4 drivers/net/netdevsim/bus.c:244
 bus_attr_store+0x80/0xa4 drivers/base/bus.c:172
 sysfs_kf_write+0xe0/0x108 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x260/0x3b8 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x51c/0xa0c fs/read_write.c:687
 ksys_write+0x12c/0x228 fs/read_write.c:739
 __do_sys_write fs/read_write.c:750 [inline]
 __se_sys_write fs/read_write.c:747 [inline]
 __arm64_sys_write+0x84/0x98 fs/read_write.c:747
 __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

Showing all locks held in the system:
locks held by kworker/0:0/9: 4, last CPU#0:
 #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff80008ebc7c20 ((work_completion)(&helper->damage_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff80008ebc7c20 ((work_completion)(&helper->damage_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff0000c6649270 (&helper->lock){+.+.}-{4:4}, at: drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:324 [inline]
 #2: ffff0000c6649270 (&helper->lock){+.+.}-{4:4}, at: drm_fb_helper_damage_work+0x120/0xbc0 drivers/gpu/drm/drm_fb_helper.c:365
 #3: ffff0000c662e128 (&dev->master_mutex){+.+.}-{4:4}, at: drm_master_internal_acquire+0x24/0x78 drivers/gpu/drm/drm_auth.c:435
locks held by kworker/0:1/10: 3, on CPU#0:
 #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff80008ebd7c20 (reg_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff80008ebd7c20 (reg_work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff800089d6dd80 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
locks held by kworker/u8:1/14: 7, last CPU#0:
 #0: ffff0000c004e140 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c004e140 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff80008ec17c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff80008ec17c20 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff800089d60ce8 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x104/0x6c4 net/core/net_namespace.c:677
 #3: ffff0000c1c0b128 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1104 [inline]
 #3: ffff0000c1c0b128 (&dev->mutex){....}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:124 [inline]
 #3: ffff0000c1c0b128 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x108/0x30c net/devlink/core.c:575
 #4: ffff0000c1c0a258 (&devlink->lock_key){+.+.}-{4:4}, at: devl_lock net/devlink/core.c:308 [inline]
 #4: ffff0000c1c0a258 (&devlink->lock_key){+.+.}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:125 [inline]
 #4: ffff0000c1c0a258 (&devlink->lock_key){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x11c/0x30c net/devlink/core.c:575
 #5: ffff800089d6dd80 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
 #6: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #6: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305
locks held by khungtaskd/31: 1, last CPU#1:
 #0: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #0: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #0: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x4c/0x188 kernel/locking/lockdep.c:6871
locks held by kworker/u8:2/40: 2, last CPU#1:
 #0: ffff0000ce050940 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000ce050940 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff80008efd7c20 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff80008efd7c20 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
locks held by kworker/u8:3/48: 3, on CPU#1:
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff8000901c7c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff8000901c7c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff800089d6dd80 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
locks held by kworker/u9:0/51: 4, on CPU#0:
 #0: ffff0000c65fb140 ((wq_completion)hci1){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c65fb140 ((wq_completion)hci1){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff8000901f7c20 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff8000901f7c20 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff0000efe00ea0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1b0/0x380 net/bluetooth/hci_sync.c:335
 #3: ffff0000efe000b8 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x1d8/0x938 net/bluetooth/hci_sync.c:6008
locks held by kworker/u8:4/60: 6, last CPU#0:
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff8000902d7c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff8000902d7c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff0000f2bd0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6906 [inline]
 #2: ffff0000f2bd0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:550
 #3: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #3: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #3: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x4ec/0x14e0 net/core/dev.c:6760
 #4: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: NF_HOOK+0xbc/0x394 include/linux/netfilter.h:326
 #5: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #5: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #5: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: nf_hook include/linux/netfilter.h:249 [inline]
 #5: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: NF_HOOK+0xb4/0x398 include/linux/netfilter.h:323
locks held by kworker/u8:9/3560: 3, last CPU#1:
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff80009a8f7c20 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff80009a8f7c20 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff0000d4dad258 (&devlink->lock_key#5){+.+.}-{4:4}, at: devl_trylock+0x24/0x34 net/devlink/core.c:314
locks held by kworker/u8:11/3868: 2, last CPU#0:
 #0: ffff0000c004a940 ((wq_completion)events_dfl_long){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c004a940 ((wq_completion)events_dfl_long){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff80009b657c20 ((work_completion)(&(&ipvs->defense_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff80009b657c20 ((work_completion)(&(&ipvs->defense_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
locks held by udevd/4344: 2, last CPU#1:
 #0: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #0: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:305 [inline]
 #0: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1112 [inline]
 #0: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_check_open_permission+0x190/0x394 security/tomoyo/file.c:772
 #1: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #1: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305
locks held by dhcpcd/4401: 3, last CPU#1:
 #0: ffff0000d58b6180 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:562 [inline]
 #0: ffff0000d58b6180 (&mm->mmap_lock){++++}-{4:4}, at: dup_mmap+0x138/0x1998 mm/mmap.c:1716
 #1: ffff0000ce362280 (&mm->mmap_lock/1){+.+.}-{4:4}, at: mmap_write_lock_nested include/linux/mmap_lock.h:552 [inline]
 #1: ffff0000ce362280 (&mm->mmap_lock/1){+.+.}-{4:4}, at: dup_mmap+0x1fc/0x1998 mm/mmap.c:1723
 #2: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #2: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305
locks held by getty/4493: 2, on CPU#1:
 #0: ffff0000c8dcc0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80009247e2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x348/0xf78 drivers/tty/n_tty.c:2211
locks held by kworker/1:3/4795: 5, last CPU#1:
 #0: ffff0000cd9e3d40 ((wq_completion)mld){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000cd9e3d40 ((wq_completion)mld){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff800093b77c20 ((work_completion)(&(&idev->mc_ifc_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff800093b77c20 ((work_completion)(&(&idev->mc_ifc_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff0000cf4d7530 (&idev->mc_lock){+.+.}-{4:4}, at: mld_ifc_work+0x38/0x9e4 net/ipv6/mcast.c:2738
 #3: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #3: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #3: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: mld_newpack+0x234/0x7b4 net/ipv6/mcast.c:1818
 #4: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #4: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #4: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: ipv6_get_lladdr+0x4c/0x3c0 net/ipv6/addrconf.c:1946
locks held by syz-executor/4827: 1, last CPU#1:
 #0: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #0: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305
locks held by syz-executor/4832: 5, on CPU#1:
 #0: ffff0000cffd6460 (sb_writers#6){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2753 [inline]
 #0: ffff0000cffd6460 (sb_writers#6){.+.+}-{0:0}, at: vfs_write+0x248/0xa0c fs/read_write.c:683
 #1: ffff0000ee64f480 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1b0/0x3b8 fs/kernfs/file.c:336
 #2: ffff0000c962a788 (kn->active#55){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:73 [inline]
 #2: ffff0000c962a788 (kn->active#55){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1f0/0x3b8 fs/kernfs/file.c:337
 #3: ffff800089546000 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:234
 #4: ffff0000c1c0b128 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1104 [inline]
 #4: ffff0000c1c0b128 (&dev->mutex){....}-{4:4}, at: device_del+0xa4/0x71c drivers/base/core.c:3927
locks held by syz-executor/4843: 2, last CPU#1:
 #0: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #0: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:305 [inline]
 #0: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1112 [inline]
 #0: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_path_number_perm+0x1e0/0x500 security/tomoyo/file.c:727
 #1: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #1: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305
locks held by syz.1.23/4989: 1, on CPU#1:
 #0: ffff800089d6dd80 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
locks held by kworker/u8:12/4992: 2, on CPU#1:
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff800098a57c20 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff800098a57c20 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
locks held by kworker/u8:13/4995: 7, last CPU#1:
 #0: ffff0000c1fef140 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c1fef140 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff800093be7c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff800093be7c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff0000cf1cc0e8 (&type->s_umount_key#32){++++}-{4:4}, at: super_trylock_shared+0x24/0xdc fs/super.c:670
 #3: ffff0000cf1cac98 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: percpu_down_read include/linux/percpu-rwsem.h:77 [inline]
 #3: ffff0000cf1cac98 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages_down_read fs/ext4/ext4.h:1887 [inline]
 #3: ffff0000cf1cac98 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages+0x170/0x2dc fs/ext4/inode.c:3031
 #4: ffff0000cf1c8938 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x19b0/0x1bc0 fs/jbd2/transaction.c:-1
 #5: ffff0000da608218 (&ei->i_data_sem#2){++++}-{4:4}, at: ext4_map_blocks+0x50c/0xc88 fs/ext4/inode.c:822
 #6: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #6: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305
locks held by kworker/0:7/4996: 2, last CPU#0:
 #0: ffff0000ed5d4540 ((wq_completion)wg-crypt-wg0){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000ed5d4540 ((wq_completion)wg-crypt-wg0){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff800093477c20 ((work_completion)(&peer->transmit_packet_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff800093477c20 ((work_completion)(&peer->transmit_packet_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
locks held by kworker/u8:14/4997: 3, last CPU#0:
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff800093467c20 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff800093467c20 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff0000ee564258 (&devlink->lock_key#2){+.+.}-{4:4}, at: devl_trylock+0x24/0x34 net/devlink/core.c:314
locks held by kworker/u8:15/4998: 3, last CPU#0:
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff800093c97c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff800093c97c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff0000f24f0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6906 [inline]
 #2: ffff0000f24f0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:550
locks held by syz-executor/5001: 3, last CPU#1:
 #0: ffff0000cf994e68 (&sig->cred_guard_mutex){+.+.}-{4:4}, at: prepare_bprm_creds fs/exec.c:1424 [inline]
 #0: ffff0000cf994e68 (&sig->cred_guard_mutex){+.+.}-{4:4}, at: bprm_execve+0xac/0x11e8 fs/exec.c:1847
 #1: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #1: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:305 [inline]
 #1: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1112 [inline]
 #1: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_bprm_check_security+0xfc/0x170 security/tomoyo/tomoyo.c:101
 #2: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #2: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305
locks held by kworker/u8:17/5002: 3, last CPU#0:
 #0: ffff0000c004b940 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c004b940 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff8000990d7c20 ((work_completion)(&(&gc_work->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff8000990d7c20 ((work_completion)(&(&gc_work->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #2: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #2: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: gc_worker+0x210/0x144c net/netfilter/nf_conntrack_core.c:1532
locks held by modprobe/5003: 2, on CPU#0:
 #0: ffff0000c89b3780 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:562 [inline]
 #0: ffff0000c89b3780 (&mm->mmap_lock){++++}-{4:4}, at: vm_mmap_pgoff+0x1a8/0x46c mm/util.c:579
 #1: ffff0000cf1cc460 (sb_writers#3){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2277 [inline]
 #1: ffff0000cf1cc460 (sb_writers#3){.+.+}-{0:0}, at: ext4_file_mmap_prepare+0x1dc/0x398 fs/ext4/file.c:901
locks held by kworker/u8:18/5004: 3, on CPU#1:
 #0: ffff0000cd92a940 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000cd92a940 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff800097337c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff800097337c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff800089d6dd80 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
locks held by udevd/5005: 4, last CPU#0:
 #0: ffff0000cf1c4460 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:494
 #1: ffff0000f0601ab0 (&sb->s_type->i_mutex_key#11){++++}-{4:4}, at: inode_lock include/linux/fs.h:1024 [inline]
 #1: ffff0000f0601ab0 (&sb->s_type->i_mutex_key#11){++++}-{4:4}, at: lookup_open+0x1cc/0x1180 fs/namei.c:4458
 #2: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #2: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:305 [inline]
 #2: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1112 [inline]
 #2: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_path_number_perm+0x1e0/0x500 security/tomoyo/file.c:727
 #3: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #3: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305

=============================================


final repro crashed as (corrupted=false):
INFO: task syz-executor:4832 blocked for more than 152 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:0     pid:4832  tgid:4832  ppid:4828   task_flags:0x400140 flags:0x00800010
Call trace:
 __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:775 (T)
 context_switch kernel/sched/core.c:5533 [inline]
 __schedule+0x135c/0x2b00 kernel/sched/core.c:7284
 __schedule_loop kernel/sched/core.c:7361 [inline]
 schedule+0x13c/0x20c kernel/sched/core.c:7376
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7433
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x5d4/0x1078 kernel/locking/mutex.c:821
 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874
 device_lock include/linux/device.h:1104 [inline]
 device_del+0xa4/0x71c drivers/base/core.c:3927
 device_unregister+0x2c/0xf0 drivers/base/core.c:4006
 nsim_bus_dev_del+0x60/0x8c drivers/net/netdevsim/bus.c:488
 del_device_store+0x24c/0x2d4 drivers/net/netdevsim/bus.c:244
 bus_attr_store+0x80/0xa4 drivers/base/bus.c:172
 sysfs_kf_write+0xe0/0x108 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x260/0x3b8 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x51c/0xa0c fs/read_write.c:687
 ksys_write+0x12c/0x228 fs/read_write.c:739
 __do_sys_write fs/read_write.c:750 [inline]
 __se_sys_write fs/read_write.c:747 [inline]
 __arm64_sys_write+0x84/0x98 fs/read_write.c:747
 __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

Showing all locks held in the system:
locks held by kworker/0:0/9: 4, last CPU#0:
 #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff80008ebc7c20 ((work_completion)(&helper->damage_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff80008ebc7c20 ((work_completion)(&helper->damage_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff0000c6649270 (&helper->lock){+.+.}-{4:4}, at: drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:324 [inline]
 #2: ffff0000c6649270 (&helper->lock){+.+.}-{4:4}, at: drm_fb_helper_damage_work+0x120/0xbc0 drivers/gpu/drm/drm_fb_helper.c:365
 #3: ffff0000c662e128 (&dev->master_mutex){+.+.}-{4:4}, at: drm_master_internal_acquire+0x24/0x78 drivers/gpu/drm/drm_auth.c:435
locks held by kworker/0:1/10: 3, on CPU#0:
 #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff80008ebd7c20 (reg_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff80008ebd7c20 (reg_work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff800089d6dd80 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
locks held by kworker/u8:1/14: 7, last CPU#0:
 #0: ffff0000c004e140 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c004e140 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff80008ec17c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff80008ec17c20 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff800089d60ce8 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x104/0x6c4 net/core/net_namespace.c:677
 #3: ffff0000c1c0b128 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1104 [inline]
 #3: ffff0000c1c0b128 (&dev->mutex){....}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:124 [inline]
 #3: ffff0000c1c0b128 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x108/0x30c net/devlink/core.c:575
 #4: ffff0000c1c0a258 (&devlink->lock_key){+.+.}-{4:4}, at: devl_lock net/devlink/core.c:308 [inline]
 #4: ffff0000c1c0a258 (&devlink->lock_key){+.+.}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:125 [inline]
 #4: ffff0000c1c0a258 (&devlink->lock_key){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x11c/0x30c net/devlink/core.c:575
 #5: ffff800089d6dd80 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
 #6: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #6: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305
locks held by khungtaskd/31: 1, last CPU#1:
 #0: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #0: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #0: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x4c/0x188 kernel/locking/lockdep.c:6871
locks held by kworker/u8:2/40: 2, last CPU#1:
 #0: ffff0000ce050940 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000ce050940 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff80008efd7c20 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff80008efd7c20 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
locks held by kworker/u8:3/48: 3, on CPU#1:
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff8000901c7c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff8000901c7c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff800089d6dd80 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
locks held by kworker/u9:0/51: 4, on CPU#0:
 #0: ffff0000c65fb140 ((wq_completion)hci1){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c65fb140 ((wq_completion)hci1){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff8000901f7c20 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff8000901f7c20 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff0000efe00ea0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1b0/0x380 net/bluetooth/hci_sync.c:335
 #3: ffff0000efe000b8 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x1d8/0x938 net/bluetooth/hci_sync.c:6008
locks held by kworker/u8:4/60: 6, last CPU#0:
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff8000902d7c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff8000902d7c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff0000f2bd0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6906 [inline]
 #2: ffff0000f2bd0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:550
 #3: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #3: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #3: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x4ec/0x14e0 net/core/dev.c:6760
 #4: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: NF_HOOK+0xbc/0x394 include/linux/netfilter.h:326
 #5: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #5: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #5: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: nf_hook include/linux/netfilter.h:249 [inline]
 #5: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: NF_HOOK+0xb4/0x398 include/linux/netfilter.h:323
locks held by kworker/u8:9/3560: 3, last CPU#1:
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff80009a8f7c20 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff80009a8f7c20 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff0000d4dad258 (&devlink->lock_key#5){+.+.}-{4:4}, at: devl_trylock+0x24/0x34 net/devlink/core.c:314
locks held by kworker/u8:11/3868: 2, last CPU#0:
 #0: ffff0000c004a940 ((wq_completion)events_dfl_long){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c004a940 ((wq_completion)events_dfl_long){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff80009b657c20 ((work_completion)(&(&ipvs->defense_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff80009b657c20 ((work_completion)(&(&ipvs->defense_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
locks held by udevd/4344: 2, last CPU#1:
 #0: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #0: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:305 [inline]
 #0: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1112 [inline]
 #0: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_check_open_permission+0x190/0x394 security/tomoyo/file.c:772
 #1: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #1: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305
locks held by dhcpcd/4401: 3, last CPU#1:
 #0: ffff0000d58b6180 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:562 [inline]
 #0: ffff0000d58b6180 (&mm->mmap_lock){++++}-{4:4}, at: dup_mmap+0x138/0x1998 mm/mmap.c:1716
 #1: ffff0000ce362280 (&mm->mmap_lock/1){+.+.}-{4:4}, at: mmap_write_lock_nested include/linux/mmap_lock.h:552 [inline]
 #1: ffff0000ce362280 (&mm->mmap_lock/1){+.+.}-{4:4}, at: dup_mmap+0x1fc/0x1998 mm/mmap.c:1723
 #2: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #2: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305
locks held by getty/4493: 2, on CPU#1:
 #0: ffff0000c8dcc0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80009247e2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x348/0xf78 drivers/tty/n_tty.c:2211
locks held by kworker/1:3/4795: 5, last CPU#1:
 #0: ffff0000cd9e3d40 ((wq_completion)mld){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000cd9e3d40 ((wq_completion)mld){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff800093b77c20 ((work_completion)(&(&idev->mc_ifc_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff800093b77c20 ((work_completion)(&(&idev->mc_ifc_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff0000cf4d7530 (&idev->mc_lock){+.+.}-{4:4}, at: mld_ifc_work+0x38/0x9e4 net/ipv6/mcast.c:2738
 #3: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #3: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #3: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: mld_newpack+0x234/0x7b4 net/ipv6/mcast.c:1818
 #4: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #4: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #4: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: ipv6_get_lladdr+0x4c/0x3c0 net/ipv6/addrconf.c:1946
locks held by syz-executor/4827: 1, last CPU#1:
 #0: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #0: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305
locks held by syz-executor/4832: 5, on CPU#1:
 #0: ffff0000cffd6460 (sb_writers#6){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2753 [inline]
 #0: ffff0000cffd6460 (sb_writers#6){.+.+}-{0:0}, at: vfs_write+0x248/0xa0c fs/read_write.c:683
 #1: ffff0000ee64f480 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1b0/0x3b8 fs/kernfs/file.c:336
 #2: ffff0000c962a788 (kn->active#55){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:73 [inline]
 #2: ffff0000c962a788 (kn->active#55){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1f0/0x3b8 fs/kernfs/file.c:337
 #3: ffff800089546000 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:234
 #4: ffff0000c1c0b128 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1104 [inline]
 #4: ffff0000c1c0b128 (&dev->mutex){....}-{4:4}, at: device_del+0xa4/0x71c drivers/base/core.c:3927
locks held by syz-executor/4843: 2, last CPU#1:
 #0: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #0: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:305 [inline]
 #0: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1112 [inline]
 #0: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_path_number_perm+0x1e0/0x500 security/tomoyo/file.c:727
 #1: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #1: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305
locks held by syz.1.23/4989: 1, on CPU#1:
 #0: ffff800089d6dd80 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
locks held by kworker/u8:12/4992: 2, on CPU#1:
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff800098a57c20 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff800098a57c20 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
locks held by kworker/u8:13/4995: 7, last CPU#1:
 #0: ffff0000c1fef140 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c1fef140 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff800093be7c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff800093be7c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff0000cf1cc0e8 (&type->s_umount_key#32){++++}-{4:4}, at: super_trylock_shared+0x24/0xdc fs/super.c:670
 #3: ffff0000cf1cac98 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: percpu_down_read include/linux/percpu-rwsem.h:77 [inline]
 #3: ffff0000cf1cac98 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages_down_read fs/ext4/ext4.h:1887 [inline]
 #3: ffff0000cf1cac98 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages+0x170/0x2dc fs/ext4/inode.c:3031
 #4: ffff0000cf1c8938 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x19b0/0x1bc0 fs/jbd2/transaction.c:-1
 #5: ffff0000da608218 (&ei->i_data_sem#2){++++}-{4:4}, at: ext4_map_blocks+0x50c/0xc88 fs/ext4/inode.c:822
 #6: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #6: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305
locks held by kworker/0:7/4996: 2, last CPU#0:
 #0: ffff0000ed5d4540 ((wq_completion)wg-crypt-wg0){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000ed5d4540 ((wq_completion)wg-crypt-wg0){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff800093477c20 ((work_completion)(&peer->transmit_packet_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff800093477c20 ((work_completion)(&peer->transmit_packet_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
locks held by kworker/u8:14/4997: 3, last CPU#0:
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff800093467c20 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff800093467c20 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff0000ee564258 (&devlink->lock_key#2){+.+.}-{4:4}, at: devl_trylock+0x24/0x34 net/devlink/core.c:314
locks held by kworker/u8:15/4998: 3, last CPU#0:
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff800093c97c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff800093c97c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff0000f24f0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6906 [inline]
 #2: ffff0000f24f0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:550
locks held by syz-executor/5001: 3, last CPU#1:
 #0: ffff0000cf994e68 (&sig->cred_guard_mutex){+.+.}-{4:4}, at: prepare_bprm_creds fs/exec.c:1424 [inline]
 #0: ffff0000cf994e68 (&sig->cred_guard_mutex){+.+.}-{4:4}, at: bprm_execve+0xac/0x11e8 fs/exec.c:1847
 #1: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #1: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:305 [inline]
 #1: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1112 [inline]
 #1: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_bprm_check_security+0xfc/0x170 security/tomoyo/tomoyo.c:101
 #2: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #2: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305
locks held by kworker/u8:17/5002: 3, last CPU#0:
 #0: ffff0000c004b940 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000c004b940 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff8000990d7c20 ((work_completion)(&(&gc_work->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff8000990d7c20 ((work_completion)(&(&gc_work->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #2: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #2: ffff800088c61860 (rcu_read_lock){....}-{1:3}, at: gc_worker+0x210/0x144c net/netfilter/nf_conntrack_core.c:1532
locks held by modprobe/5003: 2, on CPU#0:
 #0: ffff0000c89b3780 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:562 [inline]
 #0: ffff0000c89b3780 (&mm->mmap_lock){++++}-{4:4}, at: vm_mmap_pgoff+0x1a8/0x46c mm/util.c:579
 #1: ffff0000cf1cc460 (sb_writers#3){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2277 [inline]
 #1: ffff0000cf1cc460 (sb_writers#3){.+.+}-{0:0}, at: ext4_file_mmap_prepare+0x1dc/0x398 fs/ext4/file.c:901
locks held by kworker/u8:18/5004: 3, on CPU#1:
 #0: ffff0000cd92a940 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #0: ffff0000cd92a940 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479
 #1: ffff800097337c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline]
 #1: ffff800097337c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479
 #2: ffff800089d6dd80 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
locks held by udevd/5005: 4, last CPU#0:
 #0: ffff0000cf1c4460 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:494
 #1: ffff0000f0601ab0 (&sb->s_type->i_mutex_key#11){++++}-{4:4}, at: inode_lock include/linux/fs.h:1024 [inline]
 #1: ffff0000f0601ab0 (&sb->s_type->i_mutex_key#11){++++}-{4:4}, at: lookup_open+0x1cc/0x1180 fs/namei.c:4458
 #2: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #2: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:305 [inline]
 #2: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1112 [inline]
 #2: ffff800088fb11f8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_path_number_perm+0x1e0/0x500 security/tomoyo/file.c:727
 #3: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline]
 #3: ffff800088d82a30 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305

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