Extracting prog: 4m55.406716662s
Minimizing prog: 1h36m40.089554496s
Simplifying prog options: 7m30.104356895s
Extracting C: 2m20.759763683s
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: BUG: workqueue lockup in wg_packet_encrypt_worker
program crashed: INFO: task hung in rtnl_lock
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 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, &(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$nl_route
program crashed: BUG: workqueue lockup in wg_packet_handshake_receive_worker
a never seen crash title: BUG: workqueue lockup in wg_packet_handshake_receive_worker, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$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: BUG: workqueue lockup
a never seen crash title: BUG: workqueue lockup, 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 wg_packet_tx_worker
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: 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
reproducing took 1h58m22.127473174s
repro crashed as (corrupted=false):
INFO: task syz-executor:4873 blocked for more than 143 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:4873  tgid:4873  ppid:4868   task_flags:0x400140 flags:0x00800000
Call trace:
 __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:792 (T)
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x1368/0x2b50 kernel/sched/core.c:7382
 __schedule_loop kernel/sched/core.c:7459 [inline]
 schedule+0x13c/0x20c kernel/sched/core.c:7474
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7531
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x5d8/0x10b8 kernel/locking/mutex.c:821
 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874
 del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:233
 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
INFO: task syz-executor:4880 blocked for more than 143 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:4880  tgid:4880  ppid:4872   task_flags:0x400140 flags:0x00800000
Call trace:
 __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:792 (T)
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x1368/0x2b50 kernel/sched/core.c:7382
 __schedule_loop kernel/sched/core.c:7459 [inline]
 schedule+0x13c/0x20c kernel/sched/core.c:7474
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7531
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x5d8/0x10b8 kernel/locking/mutex.c:821
 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874
 device_lock include/linux/device.h:1109 [inline]
 device_del+0xa4/0x71c drivers/base/core.c:3929
 device_unregister+0x2c/0xf0 drivers/base/core.c:4008
 nsim_bus_dev_del+0x60/0x8c drivers/net/netdevsim/bus.c:488
 del_device_store+0x24c/0x2d4 drivers/net/netdevsim/bus.c:243
 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/u8:0/12: 3, last CPU#0:
 #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff80008fa47c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff80008fa47c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
 #2: ffff0000eb430800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline]
 #2: ffff0000eb430800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:596
locks held by kworker/u8:1/13: 2, last CPU#0:
 #0: ffff0000ceddf148 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000ceddf148 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff80008fa57c20 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff80008fa57c20 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
locks held by khungtaskd/31: 1, last CPU#0:
 #0: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #0: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #0: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x4c/0x188 kernel/locking/lockdep.c:6871
locks held by kworker/u8:2/40: 5, last CPU#0:
 #0: ffff0000c192b148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c192b148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff800090f97c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff800090f97c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
 #2: ffff0000d1cd4100 (&type->s_umount_key#33){++++}-{4:4}, at: super_trylock_shared+0x24/0xdc fs/super.c:642
 #3: ffff0000d1d00cd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: percpu_down_read include/linux/percpu-rwsem.h:77 [inline]
 #3: ffff0000d1d00cd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages_down_read fs/ext4/ext4.h:1892 [inline]
 #3: ffff0000d1d00cd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages+0x170/0x2dc fs/ext4/inode.c:3170
 #4: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #4: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320
locks held by kworker/u8:4/60: 2, last CPU#1:
 #0: ffff0000c004a948 ((wq_completion)events_dfl_long){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c004a948 ((wq_completion)events_dfl_long){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff800092137c20 ((work_completion)(&(&ipvs->defense_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff800092137c20 ((work_completion)(&(&ipvs->defense_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
locks held by kworker/u8:5/290: 6, on CPU#0:
 #0: ffff0000c004e148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c004e148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff800093087c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff800093087c20 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
 #2: ffff80008abc21c8 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x104/0x6c4 net/core/net_namespace.c:679
 #3: ffff0000d9f87128 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1109 [inline]
 #3: ffff0000d9f87128 (&dev->mutex){....}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:124 [inline]
 #3: ffff0000d9f87128 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x104/0x390 net/devlink/core.c:581
 #4: ffff0000d9f86258 (&devlink->lock_key){+.+.}-{4:4}, at: devl_lock net/devlink/core.c:314 [inline]
 #4: ffff0000d9f86258 (&devlink->lock_key){+.+.}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:125 [inline]
 #4: ffff0000d9f86258 (&devlink->lock_key){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x118/0x390 net/devlink/core.c:581
 #5: ffff80008abcf560 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
locks held by kworker/u8:8/1435: 4, last CPU#0:
 #0: ffff0000c004b948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c004b948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff800095257c20 ((crda_timeout).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff800095257c20 ((crda_timeout).work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
 #2: ffff80008adea2a0 (cfg80211_mutex){+.+.}-{4:4}, at: crda_timeout_work+0x30/0xa4 net/wireless/reg.c:530
 #3: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #3: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320
locks held by kworker/u8:9/3339: 3, last CPU#0:
 #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff80009b7a7c20 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff80009b7a7c20 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
 #2: ffff0000d0bc4258 (&devlink->lock_key#2){+.+.}-{4:4}, at: devl_trylock+0x24/0x34 net/devlink/core.c:320
locks held by klogd/4336: 1, last CPU#0:
 #0: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #0: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320
locks held by udevd/4347: 3, last CPU#0:
 #0: ffff0000d342ad00 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:550 [inline]
 #0: ffff0000d342ad00 (&mm->mmap_lock){++++}-{4:4}, at: dup_mmap+0x138/0x1a04 mm/mmap.c:1716
 #1: ffff0000ceee2280 (&mm->mmap_lock/1){+.+.}-{4:4}, at: mmap_write_lock_nested include/linux/mmap_lock.h:540 [inline]
 #1: ffff0000ceee2280 (&mm->mmap_lock/1){+.+.}-{4:4}, at: dup_mmap+0x208/0x1a04 mm/mmap.c:1723
 #2: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #2: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320
locks held by dhcpcd/4403: 2, last CPU#0:
 #0: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #0: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:320 [inline]
 #0: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1112 [inline]
 #0: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_path_number_perm+0x1e0/0x500 security/tomoyo/file.c:727
 #1: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #1: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320
locks held by dhcpcd/4404: 3, last CPU#0:
 #0: ffff0000d163e180 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:550 [inline]
 #0: ffff0000d163e180 (&mm->mmap_lock){++++}-{4:4}, at: dup_mmap+0x138/0x1a04 mm/mmap.c:1716
 #1: ffff0000ceee1800 (&mm->mmap_lock/1){+.+.}-{4:4}, at: mmap_write_lock_nested include/linux/mmap_lock.h:540 [inline]
 #1: ffff0000ceee1800 (&mm->mmap_lock/1){+.+.}-{4:4}, at: dup_mmap+0x208/0x1a04 mm/mmap.c:1723
 #2: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #2: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320
locks held by crond/4478: 3, last CPU#0:
 #0: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #0: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:320 [inline]
 #0: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1112 [inline]
 #0: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_path_perm+0x208/0x460 security/tomoyo/file.c:826
 #1: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #1: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320
 #2: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #2: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #2: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: __page_table_check_zero+0x98/0x40c mm/page_table_check.c:138
locks held by getty/4495: 2, on CPU#1:
 #0: ffff0000cecd40a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff8000932bb2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x350/0xffc drivers/tty/n_tty.c:2211
locks held by syz-executor/4869: 4, last CPU#1:
 #0: ffff80008abcf560 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
 #1: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #1: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #1: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x4ec/0x14e0 net/core/dev.c:6896
 #2: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #2: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock_sched include/linux/rcupdate.h:947 [inline]
 #2: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: pfn_valid+0xa4/0x214 include/linux/mmzone.h:2297
 #3: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #3: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #3: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: nf_hook include/linux/netfilter.h:249 [inline]
 #3: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: NF_HOOK+0xb4/0x398 include/linux/netfilter.h:323
locks held by syz-executor/4873: 4, on CPU#1:
 #0: ffff0000cfb80478 (sb_writers#6){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2762 [inline]
 #0: ffff0000cfb80478 (sb_writers#6){.+.+}-{0:0}, at: vfs_write+0x248/0xa0c fs/read_write.c:683
 #1: ffff0000f0134480 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1b0/0x3b8 fs/kernfs/file.c:336
 #2: ffff0000ca968c38 (kn->active#55){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:73 [inline]
 #2: ffff0000ca968c38 (kn->active#55){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1f0/0x3b8 fs/kernfs/file.c:337
 #3: ffff80008a3ad420 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:233
locks held by syz-executor/4875: 1, last CPU#1:
 #0: ffff0000cf5b6f80 (&sb->s_type->i_mutex_key#12){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1026 [inline]
 #0: ffff0000cf5b6f80 (&sb->s_type->i_mutex_key#12){+.+.}-{4:4}, at: __sock_release+0x7c/0x1d4 net/socket.c:734
locks held by syz-executor/4880: 5, on CPU#1:
 #0: ffff0000cfb80478 (sb_writers#6){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2762 [inline]
 #0: ffff0000cfb80478 (sb_writers#6){.+.+}-{0:0}, at: vfs_write+0x248/0xa0c fs/read_write.c:683
 #1: ffff0000f012f480 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1b0/0x3b8 fs/kernfs/file.c:336
 #2: ffff0000ca968c38 (kn->active#55){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:73 [inline]
 #2: ffff0000ca968c38 (kn->active#55){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1f0/0x3b8 fs/kernfs/file.c:337
 #3: ffff80008a3ad420 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:233
 #4: ffff0000d9f87128 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1109 [inline]
 #4: ffff0000d9f87128 (&dev->mutex){....}-{4:4}, at: device_del+0xa4/0x71c drivers/base/core.c:3929
locks held by syz-executor/4886: 1, last CPU#0:
 #0: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #0: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320
locks held by kworker/u8:10/5033: 3, on CPU#1:
 #0: ffff0000c3d21148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c3d21148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff8000957e7c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff8000957e7c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
 #2: ffff80008abcf560 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
locks held by kworker/u8:11/5034: 3, on CPU#1:
 #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff800095747c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff800095747c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
 #2: ffff80008abcf560 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
locks held by kworker/u8:12/5035: 3, last CPU#0:
 #0: ffff0000c004b948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c004b948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff800095787c20 ((work_completion)(&(&gc_work->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff800095787c20 ((work_completion)(&(&gc_work->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
 #2: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #2: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #2: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: gc_worker+0x210/0x144c net/netfilter/nf_conntrack_core.c:1530
locks held by kworker/u8:16/5040: 3, last CPU#0:
 #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff800098f57c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff800098f57c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
 #2: ffff0000eb520800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline]
 #2: ffff0000eb520800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:596
locks held by kworker/u8:17/5042: 3, last CPU#0:
 #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff800098f37c20 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff800098f37c20 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
 #2: ffff0000cb825258 (&devlink->lock_key#3){+.+.}-{4:4}, at: devl_trylock+0x24/0x34 net/devlink/core.c:320
locks held by syz-executor/5043: 3, last CPU#0:
 #0: ffff0000c9b12a28 (&sig->cred_guard_mutex){+.+.}-{4:4}, at: prepare_bprm_creds fs/exec.c:1419 [inline]
 #0: ffff0000c9b12a28 (&sig->cred_guard_mutex){+.+.}-{4:4}, at: bprm_execve+0xac/0x11e8 fs/exec.c:1845
 #1: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #1: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:320 [inline]
 #1: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1112 [inline]
 #1: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_bprm_check_security+0xfc/0x170 security/tomoyo/tomoyo.c:101
 #2: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #2: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320

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


final repro crashed as (corrupted=false):
INFO: task syz-executor:4873 blocked for more than 143 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:4873  tgid:4873  ppid:4868   task_flags:0x400140 flags:0x00800000
Call trace:
 __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:792 (T)
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x1368/0x2b50 kernel/sched/core.c:7382
 __schedule_loop kernel/sched/core.c:7459 [inline]
 schedule+0x13c/0x20c kernel/sched/core.c:7474
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7531
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x5d8/0x10b8 kernel/locking/mutex.c:821
 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874
 del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:233
 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
INFO: task syz-executor:4880 blocked for more than 143 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:4880  tgid:4880  ppid:4872   task_flags:0x400140 flags:0x00800000
Call trace:
 __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:792 (T)
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x1368/0x2b50 kernel/sched/core.c:7382
 __schedule_loop kernel/sched/core.c:7459 [inline]
 schedule+0x13c/0x20c kernel/sched/core.c:7474
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7531
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x5d8/0x10b8 kernel/locking/mutex.c:821
 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874
 device_lock include/linux/device.h:1109 [inline]
 device_del+0xa4/0x71c drivers/base/core.c:3929
 device_unregister+0x2c/0xf0 drivers/base/core.c:4008
 nsim_bus_dev_del+0x60/0x8c drivers/net/netdevsim/bus.c:488
 del_device_store+0x24c/0x2d4 drivers/net/netdevsim/bus.c:243
 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/u8:0/12: 3, last CPU#0:
 #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff80008fa47c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff80008fa47c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
 #2: ffff0000eb430800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline]
 #2: ffff0000eb430800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:596
locks held by kworker/u8:1/13: 2, last CPU#0:
 #0: ffff0000ceddf148 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000ceddf148 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff80008fa57c20 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff80008fa57c20 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
locks held by khungtaskd/31: 1, last CPU#0:
 #0: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #0: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #0: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x4c/0x188 kernel/locking/lockdep.c:6871
locks held by kworker/u8:2/40: 5, last CPU#0:
 #0: ffff0000c192b148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c192b148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff800090f97c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff800090f97c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
 #2: ffff0000d1cd4100 (&type->s_umount_key#33){++++}-{4:4}, at: super_trylock_shared+0x24/0xdc fs/super.c:642
 #3: ffff0000d1d00cd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: percpu_down_read include/linux/percpu-rwsem.h:77 [inline]
 #3: ffff0000d1d00cd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages_down_read fs/ext4/ext4.h:1892 [inline]
 #3: ffff0000d1d00cd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages+0x170/0x2dc fs/ext4/inode.c:3170
 #4: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #4: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320
locks held by kworker/u8:4/60: 2, last CPU#1:
 #0: ffff0000c004a948 ((wq_completion)events_dfl_long){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c004a948 ((wq_completion)events_dfl_long){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff800092137c20 ((work_completion)(&(&ipvs->defense_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff800092137c20 ((work_completion)(&(&ipvs->defense_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
locks held by kworker/u8:5/290: 6, on CPU#0:
 #0: ffff0000c004e148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c004e148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff800093087c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff800093087c20 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
 #2: ffff80008abc21c8 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x104/0x6c4 net/core/net_namespace.c:679
 #3: ffff0000d9f87128 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1109 [inline]
 #3: ffff0000d9f87128 (&dev->mutex){....}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:124 [inline]
 #3: ffff0000d9f87128 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x104/0x390 net/devlink/core.c:581
 #4: ffff0000d9f86258 (&devlink->lock_key){+.+.}-{4:4}, at: devl_lock net/devlink/core.c:314 [inline]
 #4: ffff0000d9f86258 (&devlink->lock_key){+.+.}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:125 [inline]
 #4: ffff0000d9f86258 (&devlink->lock_key){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x118/0x390 net/devlink/core.c:581
 #5: ffff80008abcf560 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
locks held by kworker/u8:8/1435: 4, last CPU#0:
 #0: ffff0000c004b948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c004b948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff800095257c20 ((crda_timeout).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff800095257c20 ((crda_timeout).work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
 #2: ffff80008adea2a0 (cfg80211_mutex){+.+.}-{4:4}, at: crda_timeout_work+0x30/0xa4 net/wireless/reg.c:530
 #3: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #3: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320
locks held by kworker/u8:9/3339: 3, last CPU#0:
 #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff80009b7a7c20 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff80009b7a7c20 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
 #2: ffff0000d0bc4258 (&devlink->lock_key#2){+.+.}-{4:4}, at: devl_trylock+0x24/0x34 net/devlink/core.c:320
locks held by klogd/4336: 1, last CPU#0:
 #0: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #0: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320
locks held by udevd/4347: 3, last CPU#0:
 #0: ffff0000d342ad00 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:550 [inline]
 #0: ffff0000d342ad00 (&mm->mmap_lock){++++}-{4:4}, at: dup_mmap+0x138/0x1a04 mm/mmap.c:1716
 #1: ffff0000ceee2280 (&mm->mmap_lock/1){+.+.}-{4:4}, at: mmap_write_lock_nested include/linux/mmap_lock.h:540 [inline]
 #1: ffff0000ceee2280 (&mm->mmap_lock/1){+.+.}-{4:4}, at: dup_mmap+0x208/0x1a04 mm/mmap.c:1723
 #2: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #2: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320
locks held by dhcpcd/4403: 2, last CPU#0:
 #0: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #0: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:320 [inline]
 #0: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1112 [inline]
 #0: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_path_number_perm+0x1e0/0x500 security/tomoyo/file.c:727
 #1: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #1: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320
locks held by dhcpcd/4404: 3, last CPU#0:
 #0: ffff0000d163e180 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:550 [inline]
 #0: ffff0000d163e180 (&mm->mmap_lock){++++}-{4:4}, at: dup_mmap+0x138/0x1a04 mm/mmap.c:1716
 #1: ffff0000ceee1800 (&mm->mmap_lock/1){+.+.}-{4:4}, at: mmap_write_lock_nested include/linux/mmap_lock.h:540 [inline]
 #1: ffff0000ceee1800 (&mm->mmap_lock/1){+.+.}-{4:4}, at: dup_mmap+0x208/0x1a04 mm/mmap.c:1723
 #2: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #2: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320
locks held by crond/4478: 3, last CPU#0:
 #0: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #0: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:320 [inline]
 #0: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1112 [inline]
 #0: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_path_perm+0x208/0x460 security/tomoyo/file.c:826
 #1: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #1: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320
 #2: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #2: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #2: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: __page_table_check_zero+0x98/0x40c mm/page_table_check.c:138
locks held by getty/4495: 2, on CPU#1:
 #0: ffff0000cecd40a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff8000932bb2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x350/0xffc drivers/tty/n_tty.c:2211
locks held by syz-executor/4869: 4, last CPU#1:
 #0: ffff80008abcf560 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
 #1: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #1: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #1: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x4ec/0x14e0 net/core/dev.c:6896
 #2: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #2: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock_sched include/linux/rcupdate.h:947 [inline]
 #2: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: pfn_valid+0xa4/0x214 include/linux/mmzone.h:2297
 #3: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #3: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #3: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: nf_hook include/linux/netfilter.h:249 [inline]
 #3: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: NF_HOOK+0xb4/0x398 include/linux/netfilter.h:323
locks held by syz-executor/4873: 4, on CPU#1:
 #0: ffff0000cfb80478 (sb_writers#6){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2762 [inline]
 #0: ffff0000cfb80478 (sb_writers#6){.+.+}-{0:0}, at: vfs_write+0x248/0xa0c fs/read_write.c:683
 #1: ffff0000f0134480 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1b0/0x3b8 fs/kernfs/file.c:336
 #2: ffff0000ca968c38 (kn->active#55){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:73 [inline]
 #2: ffff0000ca968c38 (kn->active#55){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1f0/0x3b8 fs/kernfs/file.c:337
 #3: ffff80008a3ad420 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:233
locks held by syz-executor/4875: 1, last CPU#1:
 #0: ffff0000cf5b6f80 (&sb->s_type->i_mutex_key#12){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1026 [inline]
 #0: ffff0000cf5b6f80 (&sb->s_type->i_mutex_key#12){+.+.}-{4:4}, at: __sock_release+0x7c/0x1d4 net/socket.c:734
locks held by syz-executor/4880: 5, on CPU#1:
 #0: ffff0000cfb80478 (sb_writers#6){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2762 [inline]
 #0: ffff0000cfb80478 (sb_writers#6){.+.+}-{0:0}, at: vfs_write+0x248/0xa0c fs/read_write.c:683
 #1: ffff0000f012f480 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1b0/0x3b8 fs/kernfs/file.c:336
 #2: ffff0000ca968c38 (kn->active#55){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:73 [inline]
 #2: ffff0000ca968c38 (kn->active#55){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1f0/0x3b8 fs/kernfs/file.c:337
 #3: ffff80008a3ad420 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:233
 #4: ffff0000d9f87128 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1109 [inline]
 #4: ffff0000d9f87128 (&dev->mutex){....}-{4:4}, at: device_del+0xa4/0x71c drivers/base/core.c:3929
locks held by syz-executor/4886: 1, last CPU#0:
 #0: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #0: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320
locks held by kworker/u8:10/5033: 3, on CPU#1:
 #0: ffff0000c3d21148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c3d21148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff8000957e7c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff8000957e7c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
 #2: ffff80008abcf560 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
locks held by kworker/u8:11/5034: 3, on CPU#1:
 #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff800095747c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff800095747c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
 #2: ffff80008abcf560 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
locks held by kworker/u8:12/5035: 3, last CPU#0:
 #0: ffff0000c004b948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c004b948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff800095787c20 ((work_completion)(&(&gc_work->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff800095787c20 ((work_completion)(&(&gc_work->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
 #2: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #2: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #2: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: gc_worker+0x210/0x144c net/netfilter/nf_conntrack_core.c:1530
locks held by kworker/u8:16/5040: 3, last CPU#0:
 #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff800098f57c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff800098f57c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
 #2: ffff0000eb520800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline]
 #2: ffff0000eb520800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:596
locks held by kworker/u8:17/5042: 3, last CPU#0:
 #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578
 #1: ffff800098f37c20 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline]
 #1: ffff800098f37c20 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578
 #2: ffff0000cb825258 (&devlink->lock_key#3){+.+.}-{4:4}, at: devl_trylock+0x24/0x34 net/devlink/core.c:320
locks held by syz-executor/5043: 3, last CPU#0:
 #0: ffff0000c9b12a28 (&sig->cred_guard_mutex){+.+.}-{4:4}, at: prepare_bprm_creds fs/exec.c:1419 [inline]
 #0: ffff0000c9b12a28 (&sig->cred_guard_mutex){+.+.}-{4:4}, at: bprm_execve+0xac/0x11e8 fs/exec.c:1845
 #1: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #1: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:320 [inline]
 #1: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1112 [inline]
 #1: ffff800089dffcf8 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_bprm_check_security+0xfc/0x170 security/tomoyo/tomoyo.c:101
 #2: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #2: ffff800089bcd0b0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320

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