Extracting prog: 6m13.903079102s
Minimizing prog: 30m20.233642554s
Simplifying prog options: 0s
Extracting C: 1m12.472845778s
Simplifying C: 15m33.120571093s


extracting reproducer from 7 programs
testing a last program of every proc
single: executing 5 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-socket-openat$cgroup_ro-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-openat$cgroup_ro-openat$cgroup_ro-bpf$MAP_CREATE-socket$nl_netfilter-syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$ieee802154-sendmsg$IEEE802154_LLSEC_SETPARAMS
detailed listing:
executing program 0:
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0)
socket(0x40000000015, 0x5, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0)
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x5, &(0x7f0000000000)=ANY=[@ANYBLOB="18000000000000000000000001020000850000000e000000850000002a00000095"], &(0x7f0000000080)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x80)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000440)={&(0x7f0000000140)='ext4_ext_remove_space_done\x00', r0}, 0x10)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0x7a05, 0x1700)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
bpf$MAP_CREATE(0x0, &(0x7f0000000340)=@base={0x19, 0x4, 0x8, 0x3, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000040), r3)
sendmsg$IEEE802154_LLSEC_SETPARAMS(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000640)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="2100000000000000000025000000050029000000000008000200", @ANYRES32=r1, @ANYBLOB="05002a"], 0x2c}}, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-syz_open_procfs-read$FUSE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8a}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setaffinity(0x0, 0x0, 0x0)
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = syz_open_procfs(0x0, &(0x7f0000000080)='net/fib_trie\x00')
read$FUSE(r3, &(0x7f000000a300)={0x2020}, 0x204c)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-socket$tipc-bind$tipc-listen
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2)
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = socket$tipc(0x1e, 0x5, 0x0)
bind$tipc(r3, 0x0, 0x0)
listen(r3, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$MAP_CREATE-socket-syz_init_net_socket$ax25-ioctl$SIOCAX25ADDUID
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeeb, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
bpf$MAP_CREATE(0x0, 0x0, 0x0)
socket(0x10, 0x3, 0x0)
r3 = syz_init_net_socket$ax25(0x3, 0x2, 0xce)
ioctl$SIOCAX25ADDUID(r3, 0x89e7, &(0x7f0000000000)={0x3, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, 0xee00})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmmsg$inet6
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x10, &(0x7f00000002c0)=[@in={0x2, 0x4e20, @local}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000180)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x989, 0x0, 0x10}, 0x9c)
r1 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'lo\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r3, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0x4, 0x2, 0x0, 0x0, 0x7, 0x8}, {0x12, 0x3, 0x0, 0x401, 0x8001, 0x400}, 0xa5, 0x4, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
r4 = socket$inet6_dccp(0xa, 0x6, 0x0)
ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000000)={'lo\x00', <r5=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000100)=@newqdisc={0x40, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r5, {}, {0xfff2, 0xa}, {0xffe0}}, [@qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x8}}]}, 0x40}, 0x1, 0x0, 0x0, 0x55}, 0x4000)
sendmmsg$inet6(r0, &(0x7f0000003f00)=[{{0x0, 0xf, &(0x7f0000000300)=[{&(0x7f0000000140)="a2", 0x1a058}], 0x1}}], 0x1, 0x0)

program crashed: WARNING: suspicious RCU usage in qdisc_lookup
single: successfully extracted reproducer
found reproducer with 12 syscalls
minimizing guilty program
testing program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x10, &(0x7f00000002c0)=[@in={0x2, 0x4e20, @local}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000180)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x989, 0x0, 0x10}, 0x9c)
r1 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'lo\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r3, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0x4, 0x2, 0x0, 0x0, 0x7, 0x8}, {0x12, 0x3, 0x0, 0x401, 0x8001, 0x400}, 0xa5, 0x4, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
r4 = socket$inet6_dccp(0xa, 0x6, 0x0)
ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000000)={'lo\x00', <r5=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000100)=@newqdisc={0x40, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r5, {}, {0xfff2, 0xa}, {0xffe0}}, [@qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x8}}]}, 0x40}, 0x1, 0x0, 0x0, 0x55}, 0x4000)

program crashed: WARNING: suspicious RCU usage in qdisc_lookup
testing program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x10, &(0x7f00000002c0)=[@in={0x2, 0x4e20, @local}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000180)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x989, 0x0, 0x10}, 0x9c)
r1 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'lo\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r3, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0x4, 0x2, 0x0, 0x0, 0x7, 0x8}, {0x12, 0x3, 0x0, 0x401, 0x8001, 0x400}, 0xa5, 0x4, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
r4 = socket$inet6_dccp(0xa, 0x6, 0x0)
ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000000)={'lo\x00'})

program did not crash
testing program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x10, &(0x7f00000002c0)=[@in={0x2, 0x4e20, @local}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000180)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x989, 0x0, 0x10}, 0x9c)
r1 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'lo\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r3, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0x4, 0x2, 0x0, 0x0, 0x7, 0x8}, {0x12, 0x3, 0x0, 0x401, 0x8001, 0x400}, 0xa5, 0x4, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
socket$inet6_dccp(0xa, 0x6, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000100)=@newqdisc={0x40, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, 0x0, {}, {0xfff2, 0xa}, {0xffe0}}, [@qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x8}}]}, 0x40}, 0x1, 0x0, 0x0, 0x55}, 0x4000)

program did not crash
testing program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x10, &(0x7f00000002c0)=[@in={0x2, 0x4e20, @local}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000180)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x989, 0x0, 0x10}, 0x9c)
r1 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'lo\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r3, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0x4, 0x2, 0x0, 0x0, 0x7, 0x8}, {0x12, 0x3, 0x0, 0x401, 0x8001, 0x400}, 0xa5, 0x4, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'lo\x00', <r4=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000100)=@newqdisc={0x40, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r4, {}, {0xfff2, 0xa}, {0xffe0}}, [@qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x8}}]}, 0x40}, 0x1, 0x0, 0x0, 0x55}, 0x4000)

program did not crash
testing program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x10, &(0x7f00000002c0)=[@in={0x2, 0x4e20, @local}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000180)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x989, 0x0, 0x10}, 0x9c)
r1 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'lo\x00'})
r3 = socket$inet6_dccp(0xa, 0x6, 0x0)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000000)={'lo\x00', <r4=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000100)=@newqdisc={0x40, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r4, {}, {0xfff2, 0xa}, {0xffe0}}, [@qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x8}}]}, 0x40}, 0x1, 0x0, 0x0, 0x55}, 0x4000)

program did not crash
testing program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-socket-socketpair$unix-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x10, &(0x7f00000002c0)=[@in={0x2, 0x4e20, @local}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000180)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x989, 0x0, 0x10}, 0x9c)
r1 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240))
sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, 0x0, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0x4, 0x2, 0x0, 0x0, 0x7, 0x8}, {0x12, 0x3, 0x0, 0x401, 0x8001, 0x400}, 0xa5, 0x4, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
r2 = socket$inet6_dccp(0xa, 0x6, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'lo\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000100)=@newqdisc={0x40, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r3, {}, {0xfff2, 0xa}, {0xffe0}}, [@qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x8}}]}, 0x40}, 0x1, 0x0, 0x0, 0x55}, 0x4000)

program did not crash
testing program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x10, &(0x7f00000002c0)=[@in={0x2, 0x4e20, @local}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000180)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x989, 0x0, 0x10}, 0x9c)
r1 = socket(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'lo\x00', <r2=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0x4, 0x2, 0x0, 0x0, 0x7, 0x8}, {0x12, 0x3, 0x0, 0x401, 0x8001, 0x400}, 0xa5, 0x4, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
r3 = socket$inet6_dccp(0xa, 0x6, 0x0)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000000)={'lo\x00', <r4=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000100)=@newqdisc={0x40, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r4, {}, {0xfff2, 0xa}, {0xffe0}}, [@qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x8}}]}, 0x40}, 0x1, 0x0, 0x0, 0x55}, 0x4000)

program did not crash
testing program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x10, &(0x7f00000002c0)=[@in={0x2, 0x4e20, @local}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000180)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x989, 0x0, 0x10}, 0x9c)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', <r2=>0x0})
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0x4, 0x2, 0x0, 0x0, 0x7, 0x8}, {0x12, 0x3, 0x0, 0x401, 0x8001, 0x400}, 0xa5, 0x4, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
r3 = socket$inet6_dccp(0xa, 0x6, 0x0)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000000)={'lo\x00', <r4=>0x0})
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000100)=@newqdisc={0x40, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r4, {}, {0xfff2, 0xa}, {0xffe0}}, [@qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x8}}]}, 0x40}, 0x1, 0x0, 0x0, 0x55}, 0x4000)

program did not crash
testing program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x10, &(0x7f00000002c0)=[@in={0x2, 0x4e20, @local}]}, &(0x7f0000000100)=0x10)
r1 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'lo\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r3, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0x4, 0x2, 0x0, 0x0, 0x7, 0x8}, {0x12, 0x3, 0x0, 0x401, 0x8001, 0x400}, 0xa5, 0x4, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
r4 = socket$inet6_dccp(0xa, 0x6, 0x0)
ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000000)={'lo\x00', <r5=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000100)=@newqdisc={0x40, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r5, {}, {0xfff2, 0xa}, {0xffe0}}, [@qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x8}}]}, 0x40}, 0x1, 0x0, 0x0, 0x55}, 0x4000)

program crashed: WARNING: suspicious RCU usage in qdisc_lookup
testing program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
r1 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'lo\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r3, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0x4, 0x2, 0x0, 0x0, 0x7, 0x8}, {0x12, 0x3, 0x0, 0x401, 0x8001, 0x400}, 0xa5, 0x4, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
r4 = socket$inet6_dccp(0xa, 0x6, 0x0)
ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000000)={'lo\x00', <r5=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000100)=@newqdisc={0x40, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r5, {}, {0xfff2, 0xa}, {0xffe0}}, [@qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x8}}]}, 0x40}, 0x1, 0x0, 0x0, 0x55}, 0x4000)

program crashed: WARNING: suspicious RCU usage in qdisc_lookup
testing program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
socket$inet6_sctp(0xa, 0x1, 0x84)
r0 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0x4, 0x2, 0x0, 0x0, 0x7, 0x8}, {0x12, 0x3, 0x0, 0x401, 0x8001, 0x400}, 0xa5, 0x4, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
r3 = socket$inet6_dccp(0xa, 0x6, 0x0)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000000)={'lo\x00', <r4=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000100)=@newqdisc={0x40, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r4, {}, {0xfff2, 0xa}, {0xffe0}}, [@qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x8}}]}, 0x40}, 0x1, 0x0, 0x0, 0x55}, 0x4000)

program crashed: WARNING: suspicious RCU usage in qdisc_lookup
testing program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0x4, 0x2, 0x0, 0x0, 0x7, 0x8}, {0x12, 0x3, 0x0, 0x401, 0x8001, 0x400}, 0xa5, 0x4, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
r3 = socket$inet6_dccp(0xa, 0x6, 0x0)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000000)={'lo\x00', <r4=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000100)=@newqdisc={0x40, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r4, {}, {0xfff2, 0xa}, {0xffe0}}, [@qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x8}}]}, 0x40}, 0x1, 0x0, 0x0, 0x55}, 0x4000)

program crashed: WARNING: suspicious RCU usage in qdisc_lookup
testing program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'lo\x00', <r1=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r1, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0x4, 0x2, 0x0, 0x0, 0x7, 0x8}, {0x12, 0x3, 0x0, 0x401, 0x8001, 0x400}, 0xa5, 0x4, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
r2 = socket$inet6_dccp(0xa, 0x6, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'lo\x00', <r3=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000100)=@newqdisc={0x40, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r3, {}, {0xfff2, 0xa}, {0xffe0}}, [@qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x8}}]}, 0x40}, 0x1, 0x0, 0x0, 0x55}, 0x4000)

program did not crash
testing program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, 0x0, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0x4, 0x2, 0x0, 0x0, 0x7, 0x8}, {0x12, 0x3, 0x0, 0x401, 0x8001, 0x400}, 0xa5, 0x4, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
r2 = socket$inet6_dccp(0xa, 0x6, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'lo\x00', <r3=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000100)=@newqdisc={0x40, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r3, {}, {0xfff2, 0xa}, {0xffe0}}, [@qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x8}}]}, 0x40}, 0x1, 0x0, 0x0, 0x55}, 0x4000)

program did not crash
testing program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00'})
sendmsg$nl_route_sched(r0, 0x0, 0x44080)
r2 = socket$inet6_dccp(0xa, 0x6, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'lo\x00', <r3=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000100)=@newqdisc={0x40, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r3, {}, {0xfff2, 0xa}, {0xffe0}}, [@qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x8}}]}, 0x40}, 0x1, 0x0, 0x0, 0x55}, 0x4000)

program did not crash
testing program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00'})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, 0x0}, 0x44080)
r2 = socket$inet6_dccp(0xa, 0x6, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'lo\x00', <r3=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000100)=@newqdisc={0x40, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r3, {}, {0xfff2, 0xa}, {0xffe0}}, [@qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x8}}]}, 0x40}, 0x1, 0x0, 0x0, 0x55}, 0x4000)

program did not crash
testing program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00'})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={0x0}}, 0x44080)
r2 = socket$inet6_dccp(0xa, 0x6, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'lo\x00', <r3=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000100)=@newqdisc={0x40, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r3, {}, {0xfff2, 0xa}, {0xffe0}}, [@qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x8}}]}, 0x40}, 0x1, 0x0, 0x0, 0x55}, 0x4000)

program did not crash
testing program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0x4, 0x2, 0x0, 0x0, 0x7, 0x8}, {0x12, 0x3, 0x0, 0x401, 0x8001, 0x400}, 0xa5, 0x4, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
r3 = socket$inet6_dccp(0xa, 0x6, 0x0)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000100)=@newqdisc={0x40, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, 0x0, {}, {0xfff2, 0xa}, {0xffe0}}, [@qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x8}}]}, 0x40}, 0x1, 0x0, 0x0, 0x55}, 0x4000)

program did not crash
testing program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0x4, 0x2, 0x0, 0x0, 0x7, 0x8}, {0x12, 0x3, 0x0, 0x401, 0x8001, 0x400}, 0xa5, 0x4, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
r3 = socket$inet6_dccp(0xa, 0x6, 0x0)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000000)={'lo\x00'})
sendmsg$nl_route_sched(r0, 0x0, 0x4000)

program did not crash
testing program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0x4, 0x2, 0x0, 0x0, 0x7, 0x8}, {0x12, 0x3, 0x0, 0x401, 0x8001, 0x400}, 0xa5, 0x4, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
r3 = socket$inet6_dccp(0xa, 0x6, 0x0)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000000)={'lo\x00'})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x55}, 0x4000)

program did not crash
testing program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0x4, 0x2, 0x0, 0x0, 0x7, 0x8}, {0x12, 0x3, 0x0, 0x401, 0x8001, 0x400}, 0xa5, 0x4, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
r3 = socket$inet6_dccp(0xa, 0x6, 0x0)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000000)={'lo\x00'})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={0x0}, 0x1, 0x0, 0x0, 0x55}, 0x4000)

program did not crash
extracting C reproducer
testing compiled C program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: WARNING: suspicious RCU usage in qdisc_lookup
simplifying C reproducer
testing compiled C program (duration=53.196697665s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: WARNING: suspicious RCU usage in qdisc_lookup
testing compiled C program (duration=53.196697665s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: WARNING: suspicious RCU usage in qdisc_lookup
testing compiled C program (duration=53.196697665s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program did not crash
testing compiled C program (duration=53.196697665s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program did not crash
testing compiled C program (duration=53.196697665s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program did not crash
testing compiled C program (duration=53.196697665s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: WARNING: suspicious RCU usage in qdisc_lookup
testing compiled C program (duration=53.196697665s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program did not crash
testing compiled C program (duration=53.196697665s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: WARNING: suspicious RCU usage in qdisc_lookup
testing compiled C program (duration=53.196697665s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: WARNING: suspicious RCU usage in qdisc_lookup
testing compiled C program (duration=53.196697665s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: WARNING: suspicious RCU usage in qdisc_lookup
testing compiled C program (duration=53.196697665s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: WARNING: suspicious RCU usage in qdisc_lookup
testing compiled C program (duration=53.196697665s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: WARNING: suspicious RCU usage in qdisc_lookup
testing compiled C program (duration=53.196697665s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: WARNING: suspicious RCU usage in qdisc_lookup
testing compiled C program (duration=53.196697665s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: WARNING: suspicious RCU usage in qdisc_lookup
testing compiled C program (duration=53.196697665s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$inet6_dccp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: WARNING: suspicious RCU usage in qdisc_lookup
reproducing took 53m19.730157037s
repro crashed as (corrupted=false):
=============================
WARNING: suspicious RCU usage
5.15.169-syzkaller #0 Not tainted
-----------------------------
net/sched/sch_api.c:304 suspicious rcu_dereference_protected() usage!

other info that might help us debug this:


rcu_scheduler_active = 2, debug_locks = 1
8 locks held by kworker/1:0/21:
 #0: ffff0000d49e5138 ((wq_completion)wg-crypt-wg0){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
 #1: ffff80001bcf7c00 ((work_completion)(&peer->transmit_packet_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
 #2: ffff0000ce0c8178 (&peer->endpoint_lock){++..}-{2:2}, at: wg_socket_send_skb_to_peer+0x64/0x1a8 drivers/net/wireguard/socket.c:173
 #3: ffff800014c82340 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 include/linux/rcupdate.h:311
 #4: ffff800014c82340 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 include/linux/rcupdate.h:311
 #5: ffff800014c82340 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 include/linux/rcupdate.h:311
 #6: ffff0000cec66908 (&sch->q.lock){+...}-{2:2}, at: spin_lock include/linux/spinlock.h:363 [inline]
 #6: ffff0000cec66908 (&sch->q.lock){+...}-{2:2}, at: __dev_xmit_skb net/core/dev.c:3875 [inline]
 #6: ffff0000cec66908 (&sch->q.lock){+...}-{2:2}, at: __dev_queue_xmit+0x8a0/0x2ac8 net/core/dev.c:4217
 #7: ffff800014c822e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:311

stack backtrace:
CPU: 1 PID: 21 Comm: kworker/1:0 Not tainted 5.15.169-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: wg-crypt-wg0 wg_packet_tx_worker
Call trace:
 dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 lockdep_rcu_suspicious+0x188/0x1e0 kernel/locking/lockdep.c:6571
 qdisc_lookup+0xc8/0x64c net/sched/sch_api.c:304
 qdisc_tree_reduce_backlog+0x200/0x4e8 net/sched/sch_api.c:800
 pfifo_tail_enqueue+0x280/0x38c net/sched/sch_fifo.c:51
 qdisc_enqueue include/net/sch_generic.h:832 [inline]
 tbf_enqueue+0x2f8/0x5f0 net/sched/sch_tbf.c:237
 dev_qdisc_enqueue+0x60/0x35c net/core/dev.c:3816
 __dev_xmit_skb net/core/dev.c:3900 [inline]
 __dev_queue_xmit+0x1018/0x2ac8 net/core/dev.c:4217
 dev_queue_xmit+0x24/0x34 net/core/dev.c:4285
 neigh_hh_output include/net/neighbour.h:493 [inline]
 neigh_output include/net/neighbour.h:507 [inline]
 ip6_finish_output2+0x132c/0x1cec net/ipv6/ip6_output.c:130
 __ip6_finish_output+0x580/0x6ec net/ipv6/ip6_output.c:201
 ip6_finish_output+0x40/0x218 net/ipv6/ip6_output.c:211
 NF_HOOK_COND include/linux/netfilter.h:291 [inline]
 ip6_output+0x274/0x594 net/ipv6/ip6_output.c:234
 dst_output include/net/dst.h:443 [inline]
 ip6_local_out+0x120/0x160 net/ipv6/output_core.c:161
 ip6tunnel_xmit include/net/ip6_tunnel.h:160 [inline]
 udp_tunnel6_xmit_skb+0x43c/0x938 net/ipv6/ip6_udp_tunnel.c:109
 send6+0x560/0x930 drivers/net/wireguard/socket.c:152
 wg_socket_send_skb_to_peer+0xfc/0x1a8 drivers/net/wireguard/socket.c:178
 wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline]
 wg_packet_tx_worker+0x1a8/0x714 drivers/net/wireguard/send.c:276
 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
 worker_thread+0x910/0x1034 kernel/workqueue.c:2457
 kthread+0x37c/0x45c kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870

final repro crashed as (corrupted=false):
=============================
WARNING: suspicious RCU usage
5.15.169-syzkaller #0 Not tainted
-----------------------------
net/sched/sch_api.c:304 suspicious rcu_dereference_protected() usage!

other info that might help us debug this:


rcu_scheduler_active = 2, debug_locks = 1
8 locks held by kworker/1:0/21:
 #0: ffff0000d49e5138 ((wq_completion)wg-crypt-wg0){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
 #1: ffff80001bcf7c00 ((work_completion)(&peer->transmit_packet_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
 #2: ffff0000ce0c8178 (&peer->endpoint_lock){++..}-{2:2}, at: wg_socket_send_skb_to_peer+0x64/0x1a8 drivers/net/wireguard/socket.c:173
 #3: ffff800014c82340 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 include/linux/rcupdate.h:311
 #4: ffff800014c82340 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 include/linux/rcupdate.h:311
 #5: ffff800014c82340 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 include/linux/rcupdate.h:311
 #6: ffff0000cec66908 (&sch->q.lock){+...}-{2:2}, at: spin_lock include/linux/spinlock.h:363 [inline]
 #6: ffff0000cec66908 (&sch->q.lock){+...}-{2:2}, at: __dev_xmit_skb net/core/dev.c:3875 [inline]
 #6: ffff0000cec66908 (&sch->q.lock){+...}-{2:2}, at: __dev_queue_xmit+0x8a0/0x2ac8 net/core/dev.c:4217
 #7: ffff800014c822e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:311

stack backtrace:
CPU: 1 PID: 21 Comm: kworker/1:0 Not tainted 5.15.169-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: wg-crypt-wg0 wg_packet_tx_worker
Call trace:
 dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 lockdep_rcu_suspicious+0x188/0x1e0 kernel/locking/lockdep.c:6571
 qdisc_lookup+0xc8/0x64c net/sched/sch_api.c:304
 qdisc_tree_reduce_backlog+0x200/0x4e8 net/sched/sch_api.c:800
 pfifo_tail_enqueue+0x280/0x38c net/sched/sch_fifo.c:51
 qdisc_enqueue include/net/sch_generic.h:832 [inline]
 tbf_enqueue+0x2f8/0x5f0 net/sched/sch_tbf.c:237
 dev_qdisc_enqueue+0x60/0x35c net/core/dev.c:3816
 __dev_xmit_skb net/core/dev.c:3900 [inline]
 __dev_queue_xmit+0x1018/0x2ac8 net/core/dev.c:4217
 dev_queue_xmit+0x24/0x34 net/core/dev.c:4285
 neigh_hh_output include/net/neighbour.h:493 [inline]
 neigh_output include/net/neighbour.h:507 [inline]
 ip6_finish_output2+0x132c/0x1cec net/ipv6/ip6_output.c:130
 __ip6_finish_output+0x580/0x6ec net/ipv6/ip6_output.c:201
 ip6_finish_output+0x40/0x218 net/ipv6/ip6_output.c:211
 NF_HOOK_COND include/linux/netfilter.h:291 [inline]
 ip6_output+0x274/0x594 net/ipv6/ip6_output.c:234
 dst_output include/net/dst.h:443 [inline]
 ip6_local_out+0x120/0x160 net/ipv6/output_core.c:161
 ip6tunnel_xmit include/net/ip6_tunnel.h:160 [inline]
 udp_tunnel6_xmit_skb+0x43c/0x938 net/ipv6/ip6_udp_tunnel.c:109
 send6+0x560/0x930 drivers/net/wireguard/socket.c:152
 wg_socket_send_skb_to_peer+0xfc/0x1a8 drivers/net/wireguard/socket.c:178
 wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline]
 wg_packet_tx_worker+0x1a8/0x714 drivers/net/wireguard/send.c:276
 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
 worker_thread+0x910/0x1034 kernel/workqueue.c:2457
 kthread+0x37c/0x45c kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870