Extracting prog: 44.334970665s
Minimizing prog: 45m41.98783719s
Simplifying prog options: 0s
Extracting C: 45.924692511s
Simplifying C: 26m54.607756793s


extracting reproducer from 30 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-sendto$inet6-setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX-getsockopt$inet_int-socket$kcm-sendmsg$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_GET_PROG_INFO-socket$inet6-sendmmsg-socket$nl_generic-syz_genetlink_get_family_id$l2tp-unshare-bind$unix-bind$unix-bpf$PROG_LOAD_XDP-socket$nl_generic-bind$vsock_stream-listen-socket$nl_route-sendmsg$nl_route-socket$tipc
detailed listing:
executing program 0:
r0 = socket$inet_dccp(0x2, 0x6, 0x0)
r1 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r1, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r2, &(0x7f0000000100)='-', 0x1, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev, 0x15}, 0x1c)
setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, 0x0, 0x0)
getsockopt$inet_int(r0, 0x10d, 0xfa, &(0x7f0000000000), 0x0)
r3 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r3, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)
r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000600)={r4, 0x0, 0x0}, 0x10)
r5 = socket$inet6(0xa, 0x3, 0x5)
sendmmsg(r5, 0x0, 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$l2tp(&(0x7f0000000140), 0xffffffffffffffff)
unshare(0x22020600)
bind$unix(0xffffffffffffffff, 0x0, 0x0)
bind$unix(0xffffffffffffffff, &(0x7f0000000200)=@file={0x1, './file0\x00'}, 0x6e)
bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0)
r6 = socket$nl_generic(0x10, 0x3, 0x10)
bind$vsock_stream(r6, 0x0, 0x0)
listen(0xffffffffffffffff, 0x0)
r7 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000200)=ANY=[@ANYBLOB="3000000010000100"/20, @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\b\x00\n\x00', @ANYRES32=0x0, @ANYBLOB="08001b"], 0x30}, 0x1, 0x0, 0x0, 0x4844}, 0x0)
socket$tipc(0x1e, 0x6, 0x0)

program crashed: possible deadlock in team_port_change_check
single: successfully extracted reproducer
found reproducer with 25 syscalls
minimizing guilty program
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-sendto$inet6-setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX-getsockopt$inet_int-socket$kcm-sendmsg$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_GET_PROG_INFO-socket$inet6-sendmmsg-socket$nl_generic-syz_genetlink_get_family_id$l2tp-unshare-bind$unix-bind$unix-bpf$PROG_LOAD_XDP-socket$nl_generic-bind$vsock_stream-listen-socket$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$inet_dccp(0x2, 0x6, 0x0)
r1 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r1, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r2, &(0x7f0000000100)='-', 0x1, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev, 0x15}, 0x1c)
setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, 0x0, 0x0)
getsockopt$inet_int(r0, 0x10d, 0xfa, &(0x7f0000000000), 0x0)
r3 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r3, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)
r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000600)={r4, 0x0, 0x0}, 0x10)
r5 = socket$inet6(0xa, 0x3, 0x5)
sendmmsg(r5, 0x0, 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$l2tp(&(0x7f0000000140), 0xffffffffffffffff)
unshare(0x22020600)
bind$unix(0xffffffffffffffff, 0x0, 0x0)
bind$unix(0xffffffffffffffff, &(0x7f0000000200)=@file={0x1, './file0\x00'}, 0x6e)
bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0)
r6 = socket$nl_generic(0x10, 0x3, 0x10)
bind$vsock_stream(r6, 0x0, 0x0)
listen(0xffffffffffffffff, 0x0)
r7 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000200)=ANY=[@ANYBLOB="3000000010000100"/20, @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\b\x00\n\x00', @ANYRES32=0x0, @ANYBLOB="08001b"], 0x30}, 0x1, 0x0, 0x0, 0x4844}, 0x0)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-sendto$inet6-setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX-getsockopt$inet_int-socket$kcm-sendmsg$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_GET_PROG_INFO-socket$inet6-sendmmsg-socket$nl_generic-syz_genetlink_get_family_id$l2tp-unshare-bind$unix-bind$unix-bpf$PROG_LOAD_XDP-socket$nl_generic-bind$vsock_stream-listen-socket$nl_route
detailed listing:
executing program 0:
r0 = socket$inet_dccp(0x2, 0x6, 0x0)
r1 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r1, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r2, &(0x7f0000000100)='-', 0x1, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev, 0x15}, 0x1c)
setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, 0x0, 0x0)
getsockopt$inet_int(r0, 0x10d, 0xfa, &(0x7f0000000000), 0x0)
r3 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r3, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)
r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000600)={r4, 0x0, 0x0}, 0x10)
r5 = socket$inet6(0xa, 0x3, 0x5)
sendmmsg(r5, 0x0, 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$l2tp(&(0x7f0000000140), 0xffffffffffffffff)
unshare(0x22020600)
bind$unix(0xffffffffffffffff, 0x0, 0x0)
bind$unix(0xffffffffffffffff, &(0x7f0000000200)=@file={0x1, './file0\x00'}, 0x6e)
bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0)
r6 = socket$nl_generic(0x10, 0x3, 0x10)
bind$vsock_stream(r6, 0x0, 0x0)
listen(0xffffffffffffffff, 0x0)
socket$nl_route(0x10, 0x3, 0x0)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-sendto$inet6-setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX-getsockopt$inet_int-socket$kcm-sendmsg$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_GET_PROG_INFO-socket$inet6-sendmmsg-socket$nl_generic-syz_genetlink_get_family_id$l2tp-unshare-bind$unix-bind$unix-bpf$PROG_LOAD_XDP-socket$nl_generic-bind$vsock_stream-listen
detailed listing:
executing program 0:
r0 = socket$inet_dccp(0x2, 0x6, 0x0)
r1 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r1, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r2, &(0x7f0000000100)='-', 0x1, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev, 0x15}, 0x1c)
setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, 0x0, 0x0)
getsockopt$inet_int(r0, 0x10d, 0xfa, &(0x7f0000000000), 0x0)
r3 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r3, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)
r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000600)={r4, 0x0, 0x0}, 0x10)
r5 = socket$inet6(0xa, 0x3, 0x5)
sendmmsg(r5, 0x0, 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$l2tp(&(0x7f0000000140), 0xffffffffffffffff)
unshare(0x22020600)
bind$unix(0xffffffffffffffff, 0x0, 0x0)
bind$unix(0xffffffffffffffff, &(0x7f0000000200)=@file={0x1, './file0\x00'}, 0x6e)
bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0)
r6 = socket$nl_generic(0x10, 0x3, 0x10)
bind$vsock_stream(r6, 0x0, 0x0)
listen(0xffffffffffffffff, 0x0)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-sendto$inet6-setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX-getsockopt$inet_int-socket$kcm-sendmsg$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_GET_PROG_INFO-socket$inet6-sendmmsg-socket$nl_generic-syz_genetlink_get_family_id$l2tp-unshare-bind$unix-bind$unix-bpf$PROG_LOAD_XDP-socket$nl_generic-bind$vsock_stream
detailed listing:
executing program 0:
r0 = socket$inet_dccp(0x2, 0x6, 0x0)
r1 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r1, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r2, &(0x7f0000000100)='-', 0x1, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev, 0x15}, 0x1c)
setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, 0x0, 0x0)
getsockopt$inet_int(r0, 0x10d, 0xfa, &(0x7f0000000000), 0x0)
r3 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r3, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)
r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000600)={r4, 0x0, 0x0}, 0x10)
r5 = socket$inet6(0xa, 0x3, 0x5)
sendmmsg(r5, 0x0, 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$l2tp(&(0x7f0000000140), 0xffffffffffffffff)
unshare(0x22020600)
bind$unix(0xffffffffffffffff, 0x0, 0x0)
bind$unix(0xffffffffffffffff, &(0x7f0000000200)=@file={0x1, './file0\x00'}, 0x6e)
bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0)
r6 = socket$nl_generic(0x10, 0x3, 0x10)
bind$vsock_stream(r6, 0x0, 0x0)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-sendto$inet6-setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX-getsockopt$inet_int-socket$kcm-sendmsg$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_GET_PROG_INFO-socket$inet6-sendmmsg-socket$nl_generic-syz_genetlink_get_family_id$l2tp-unshare-bind$unix-bind$unix-bpf$PROG_LOAD_XDP-socket$nl_generic
detailed listing:
executing program 0:
r0 = socket$inet_dccp(0x2, 0x6, 0x0)
r1 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r1, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r2, &(0x7f0000000100)='-', 0x1, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev, 0x15}, 0x1c)
setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, 0x0, 0x0)
getsockopt$inet_int(r0, 0x10d, 0xfa, &(0x7f0000000000), 0x0)
r3 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r3, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)
r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000600)={r4, 0x0, 0x0}, 0x10)
r5 = socket$inet6(0xa, 0x3, 0x5)
sendmmsg(r5, 0x0, 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$l2tp(&(0x7f0000000140), 0xffffffffffffffff)
unshare(0x22020600)
bind$unix(0xffffffffffffffff, 0x0, 0x0)
bind$unix(0xffffffffffffffff, &(0x7f0000000200)=@file={0x1, './file0\x00'}, 0x6e)
bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-sendto$inet6-setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX-getsockopt$inet_int-socket$kcm-sendmsg$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_GET_PROG_INFO-socket$inet6-sendmmsg-socket$nl_generic-syz_genetlink_get_family_id$l2tp-unshare-bind$unix-bind$unix-bpf$PROG_LOAD_XDP
detailed listing:
executing program 0:
r0 = socket$inet_dccp(0x2, 0x6, 0x0)
r1 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r1, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r2, &(0x7f0000000100)='-', 0x1, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev, 0x15}, 0x1c)
setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, 0x0, 0x0)
getsockopt$inet_int(r0, 0x10d, 0xfa, &(0x7f0000000000), 0x0)
r3 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r3, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)
r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000600)={r4, 0x0, 0x0}, 0x10)
r5 = socket$inet6(0xa, 0x3, 0x5)
sendmmsg(r5, 0x0, 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$l2tp(&(0x7f0000000140), 0xffffffffffffffff)
unshare(0x22020600)
bind$unix(0xffffffffffffffff, 0x0, 0x0)
bind$unix(0xffffffffffffffff, &(0x7f0000000200)=@file={0x1, './file0\x00'}, 0x6e)
bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-sendto$inet6-setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX-getsockopt$inet_int-socket$kcm-sendmsg$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_GET_PROG_INFO-socket$inet6-sendmmsg-socket$nl_generic-syz_genetlink_get_family_id$l2tp-unshare-bind$unix-bind$unix
detailed listing:
executing program 0:
r0 = socket$inet_dccp(0x2, 0x6, 0x0)
r1 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r1, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r2, &(0x7f0000000100)='-', 0x1, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev, 0x15}, 0x1c)
setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, 0x0, 0x0)
getsockopt$inet_int(r0, 0x10d, 0xfa, &(0x7f0000000000), 0x0)
r3 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r3, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)
r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000600)={r4, 0x0, 0x0}, 0x10)
r5 = socket$inet6(0xa, 0x3, 0x5)
sendmmsg(r5, 0x0, 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$l2tp(&(0x7f0000000140), 0xffffffffffffffff)
unshare(0x22020600)
bind$unix(0xffffffffffffffff, 0x0, 0x0)
bind$unix(0xffffffffffffffff, &(0x7f0000000200)=@file={0x1, './file0\x00'}, 0x6e)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-sendto$inet6-setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX-getsockopt$inet_int-socket$kcm-sendmsg$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_GET_PROG_INFO-socket$inet6-sendmmsg-socket$nl_generic-syz_genetlink_get_family_id$l2tp-unshare-bind$unix
detailed listing:
executing program 0:
r0 = socket$inet_dccp(0x2, 0x6, 0x0)
r1 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r1, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r2, &(0x7f0000000100)='-', 0x1, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev, 0x15}, 0x1c)
setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, 0x0, 0x0)
getsockopt$inet_int(r0, 0x10d, 0xfa, &(0x7f0000000000), 0x0)
r3 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r3, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)
r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000600)={r4, 0x0, 0x0}, 0x10)
r5 = socket$inet6(0xa, 0x3, 0x5)
sendmmsg(r5, 0x0, 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$l2tp(&(0x7f0000000140), 0xffffffffffffffff)
unshare(0x22020600)
bind$unix(0xffffffffffffffff, 0x0, 0x0)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-sendto$inet6-setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX-getsockopt$inet_int-socket$kcm-sendmsg$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_GET_PROG_INFO-socket$inet6-sendmmsg-socket$nl_generic-syz_genetlink_get_family_id$l2tp-unshare
detailed listing:
executing program 0:
r0 = socket$inet_dccp(0x2, 0x6, 0x0)
r1 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r1, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r2, &(0x7f0000000100)='-', 0x1, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev, 0x15}, 0x1c)
setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, 0x0, 0x0)
getsockopt$inet_int(r0, 0x10d, 0xfa, &(0x7f0000000000), 0x0)
r3 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r3, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)
r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000600)={r4, 0x0, 0x0}, 0x10)
r5 = socket$inet6(0xa, 0x3, 0x5)
sendmmsg(r5, 0x0, 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$l2tp(&(0x7f0000000140), 0xffffffffffffffff)
unshare(0x22020600)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-sendto$inet6-setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX-getsockopt$inet_int-socket$kcm-sendmsg$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_GET_PROG_INFO-socket$inet6-sendmmsg-socket$nl_generic-syz_genetlink_get_family_id$l2tp
detailed listing:
executing program 0:
r0 = socket$inet_dccp(0x2, 0x6, 0x0)
r1 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r1, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r2, &(0x7f0000000100)='-', 0x1, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev, 0x15}, 0x1c)
setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, 0x0, 0x0)
getsockopt$inet_int(r0, 0x10d, 0xfa, &(0x7f0000000000), 0x0)
r3 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r3, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)
r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000600)={r4, 0x0, 0x0}, 0x10)
r5 = socket$inet6(0xa, 0x3, 0x5)
sendmmsg(r5, 0x0, 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$l2tp(&(0x7f0000000140), 0xffffffffffffffff)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-sendto$inet6-setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX-getsockopt$inet_int-socket$kcm-sendmsg$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_GET_PROG_INFO-socket$inet6-sendmmsg-socket$nl_generic
detailed listing:
executing program 0:
r0 = socket$inet_dccp(0x2, 0x6, 0x0)
r1 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r1, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r2, &(0x7f0000000100)='-', 0x1, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev, 0x15}, 0x1c)
setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, 0x0, 0x0)
getsockopt$inet_int(r0, 0x10d, 0xfa, &(0x7f0000000000), 0x0)
r3 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r3, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)
r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000600)={r4, 0x0, 0x0}, 0x10)
r5 = socket$inet6(0xa, 0x3, 0x5)
sendmmsg(r5, 0x0, 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-sendto$inet6-setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX-getsockopt$inet_int-socket$kcm-sendmsg$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_GET_PROG_INFO-socket$inet6-sendmmsg
detailed listing:
executing program 0:
r0 = socket$inet_dccp(0x2, 0x6, 0x0)
r1 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r1, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r2, &(0x7f0000000100)='-', 0x1, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev, 0x15}, 0x1c)
setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, 0x0, 0x0)
getsockopt$inet_int(r0, 0x10d, 0xfa, &(0x7f0000000000), 0x0)
r3 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r3, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)
r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000600)={r4, 0x0, 0x0}, 0x10)
r5 = socket$inet6(0xa, 0x3, 0x5)
sendmmsg(r5, 0x0, 0x0, 0x0)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-sendto$inet6-setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX-getsockopt$inet_int-socket$kcm-sendmsg$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_GET_PROG_INFO-socket$inet6
detailed listing:
executing program 0:
r0 = socket$inet_dccp(0x2, 0x6, 0x0)
r1 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r1, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r2, &(0x7f0000000100)='-', 0x1, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev, 0x15}, 0x1c)
setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, 0x0, 0x0)
getsockopt$inet_int(r0, 0x10d, 0xfa, &(0x7f0000000000), 0x0)
r3 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r3, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)
r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000600)={r4, 0x0, 0x0}, 0x10)
socket$inet6(0xa, 0x3, 0x5)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-sendto$inet6-setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX-getsockopt$inet_int-socket$kcm-sendmsg$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_GET_PROG_INFO
detailed listing:
executing program 0:
r0 = socket$inet_dccp(0x2, 0x6, 0x0)
r1 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r1, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r2, &(0x7f0000000100)='-', 0x1, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev, 0x15}, 0x1c)
setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, 0x0, 0x0)
getsockopt$inet_int(r0, 0x10d, 0xfa, &(0x7f0000000000), 0x0)
r3 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r3, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)
r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000600)={r4, 0x0, 0x0}, 0x10)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-sendto$inet6-setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX-getsockopt$inet_int-socket$kcm-sendmsg$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
detailed listing:
executing program 0:
r0 = socket$inet_dccp(0x2, 0x6, 0x0)
r1 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r1, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r2, &(0x7f0000000100)='-', 0x1, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev, 0x15}, 0x1c)
setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, 0x0, 0x0)
getsockopt$inet_int(r0, 0x10d, 0xfa, &(0x7f0000000000), 0x0)
r3 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r3, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-sendto$inet6-setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX-getsockopt$inet_int-socket$kcm-sendmsg$kcm
detailed listing:
executing program 0:
r0 = socket$inet_dccp(0x2, 0x6, 0x0)
r1 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r1, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r2, &(0x7f0000000100)='-', 0x1, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev, 0x15}, 0x1c)
setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, 0x0, 0x0)
getsockopt$inet_int(r0, 0x10d, 0xfa, &(0x7f0000000000), 0x0)
r3 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r3, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-sendto$inet6-setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX-getsockopt$inet_int-socket$kcm
detailed listing:
executing program 0:
r0 = socket$inet_dccp(0x2, 0x6, 0x0)
r1 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r1, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r2, &(0x7f0000000100)='-', 0x1, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev, 0x15}, 0x1c)
setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, 0x0, 0x0)
getsockopt$inet_int(r0, 0x10d, 0xfa, &(0x7f0000000000), 0x0)
socket$kcm(0x10, 0x2, 0x0)

program did not crash
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-sendto$inet6-setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX-getsockopt$inet_int-sendmsg$kcm
detailed listing:
executing program 0:
r0 = socket$inet_dccp(0x2, 0x6, 0x0)
r1 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r1, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r2, &(0x7f0000000100)='-', 0x1, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev, 0x15}, 0x1c)
setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, 0x0, 0x0)
getsockopt$inet_int(r0, 0x10d, 0xfa, &(0x7f0000000000), 0x0)
sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)

program did not crash
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-sendto$inet6-setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX-socket$kcm-sendmsg$kcm
detailed listing:
executing program 0:
socket$inet_dccp(0x2, 0x6, 0x0)
r0 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r0, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r1 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r1, &(0x7f0000000100)='-', 0x1, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev, 0x15}, 0x1c)
setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, 0x0, 0x0)
r2 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r2, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-sendto$inet6-socket$kcm-sendmsg$kcm
detailed listing:
executing program 0:
socket$inet_dccp(0x2, 0x6, 0x0)
r0 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r0, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r1 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r1, &(0x7f0000000100)='-', 0x1, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev, 0x15}, 0x1c)
r2 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r2, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$inet6_sctp-socket$kcm-sendmsg$kcm
detailed listing:
executing program 0:
socket$inet_dccp(0x2, 0x6, 0x0)
r0 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r0, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
socket$inet6_sctp(0xa, 0x1, 0x84)
r1 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r1, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm-socket$kcm-sendmsg$kcm
detailed listing:
executing program 0:
socket$inet_dccp(0x2, 0x6, 0x0)
r0 = socket$kcm(0x11, 0x3, 0x0)
sendmsg$kcm(r0, &(0x7f0000000080)={&(0x7f0000000100)=@caif=@rfm={0x25, 0x5, "cdfaaf7254f4ef6249f068fcdd7e1cbd"}, 0x80, 0x0}, 0x800)
r1 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r1, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-socket$kcm-sendmsg$kcm
detailed listing:
executing program 0:
socket$inet_dccp(0x2, 0x6, 0x0)
socket$kcm(0x11, 0x3, 0x0)
r0 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r0, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$inet_dccp-socket$kcm-sendmsg$kcm
detailed listing:
executing program 0:
socket$inet_dccp(0x2, 0x6, 0x0)
r0 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r0, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$kcm-sendmsg$kcm
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r0, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)="2e00000010008188e6b62aa73772cc9f1ba1f848110000005e140602000000000e000a001000000002900000121f", 0x2e}], 0x1}, 0x0)

program crashed: possible deadlock in team_port_change_check
testing program (duration=53.91766324s, {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$kcm-sendmsg$kcm
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r0, 0x0, 0x0)

program did not crash
testing program (duration=53.91766324s, {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$kcm-sendmsg$kcm
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r0, &(0x7f0000000600)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=53.91766324s, {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$kcm-sendmsg$kcm
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r0, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{0x0}], 0x1}, 0x0)

program did not crash
testing program (duration=53.91766324s, {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$kcm-sendmsg$kcm
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r0, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000380)}], 0x1}, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=53.91766324s, {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$kcm-sendmsg$kcm
program crashed: possible deadlock in team_port_change_check
simplifying C reproducer
testing compiled C program (duration=53.91766324s, {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$kcm-sendmsg$kcm
program crashed: possible deadlock in team_port_change_check
testing compiled C program (duration=53.91766324s, {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$kcm-sendmsg$kcm
program did not crash
testing compiled C program (duration=53.91766324s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-sendmsg$kcm
program crashed: possible deadlock in team_port_change_check
testing compiled C program (duration=53.91766324s, {Threaded:false Repeat:true 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$kcm-sendmsg$kcm
program did not crash
testing compiled C program (duration=53.91766324s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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$kcm-sendmsg$kcm
program did not crash
testing compiled C program (duration=53.91766324s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false 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$kcm-sendmsg$kcm
program did not crash
testing compiled C program (duration=53.91766324s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false 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$kcm-sendmsg$kcm
program crashed: possible deadlock in team_port_change_check
testing compiled C program (duration=53.91766324s, {Threaded:false Repeat:true 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$kcm-sendmsg$kcm
program crashed: possible deadlock in team_port_change_check
testing compiled C program (duration=53.91766324s, {Threaded:false Repeat:true 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$kcm-sendmsg$kcm
program crashed: possible deadlock in team_port_change_check
testing compiled C program (duration=53.91766324s, {Threaded:false Repeat:true 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$kcm-sendmsg$kcm
program crashed: possible deadlock in team_port_change_check
testing compiled C program (duration=53.91766324s, {Threaded:false Repeat:true 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$kcm-sendmsg$kcm
program crashed: possible deadlock in team_port_change_check
testing compiled C program (duration=53.91766324s, {Threaded:false Repeat:true 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$kcm-sendmsg$kcm
program crashed: possible deadlock in team_port_change_check
testing compiled C program (duration=53.91766324s, {Threaded:false Repeat:true 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$kcm-sendmsg$kcm
program crashed: possible deadlock in team_port_change_check
testing compiled C program (duration=53.91766324s, {Threaded:false Repeat:true 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$kcm-sendmsg$kcm
program crashed: possible deadlock in team_port_change_check
testing compiled C program (duration=53.91766324s, {Threaded:false Repeat:true 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$kcm-sendmsg$kcm
program crashed: possible deadlock in team_port_change_check
testing compiled C program (duration=53.91766324s, {Threaded:false Repeat:true 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$kcm-sendmsg$kcm
program crashed: possible deadlock in team_port_change_check
testing compiled C program (duration=53.91766324s, {Threaded:false Repeat:true 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$kcm-sendmsg$kcm
program crashed: possible deadlock in team_port_change_check
reproducing took 1h14m6.855300041s
repro crashed as (corrupted=false):
netlink: 'syz-executor391': attribute type 10 has an invalid length.
======================================================
WARNING: possible circular locking dependency detected
6.15.0-rc1-syzkaller-00209-gfaeefc173be4 #0 Not tainted
------------------------------------------------------
syz-executor391/5847 is trying to acquire lock:
ffff888035640e00 (team->team_lock_key){+.+.}-{4:4}, at: team_port_change_check+0x51/0x1e0 drivers/net/team/team_core.c:2966

but task is already holding lock:
ffff88803469ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2756 [inline]
ffff88803469ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline]
ffff88803469ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: do_setlink+0x3c1/0x4390 net/core/rtnetlink.c:3051

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #1 (&dev_instance_lock_key#3){+.+.}-{4:4}:
       lock_acquire+0x116/0x2f0 kernel/locking/lockdep.c:5866
       __mutex_lock_common kernel/locking/mutex.c:601 [inline]
       __mutex_lock+0x1a5/0x10c0 kernel/locking/mutex.c:746
       netdev_lock include/linux/netdevice.h:2756 [inline]
       netdev_lock_ops include/net/netdev_lock.h:42 [inline]
       dev_set_mtu+0x11c/0x270 net/core/dev_api.c:246
       team_port_add drivers/net/team/team_core.c:1215 [inline]
       team_add_slave+0x83b/0x28b0 drivers/net/team/team_core.c:1989
       do_set_master+0x579/0x730 net/core/rtnetlink.c:2946
       do_setlink+0xf76/0x4390 net/core/rtnetlink.c:3159
       rtnl_changelink net/core/rtnetlink.c:3772 [inline]
       __rtnl_newlink net/core/rtnetlink.c:3931 [inline]
       rtnl_newlink+0x17e2/0x1fe0 net/core/rtnetlink.c:4068
       rtnetlink_rcv_msg+0x80f/0xd70 net/core/rtnetlink.c:6958
       netlink_rcv_skb+0x208/0x480 net/netlink/af_netlink.c:2534
       netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
       netlink_unicast+0x7f8/0x9a0 net/netlink/af_netlink.c:1339
       netlink_sendmsg+0x8c3/0xcd0 net/netlink/af_netlink.c:1883
       sock_sendmsg_nosec net/socket.c:712 [inline]
       __sock_sendmsg+0x221/0x270 net/socket.c:727
       ____sys_sendmsg+0x523/0x860 net/socket.c:2566
       ___sys_sendmsg net/socket.c:2620 [inline]
       __sys_sendmsg+0x271/0x360 net/socket.c:2652
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #0 (team->team_lock_key){+.+.}-{4:4}:
       check_prev_add kernel/locking/lockdep.c:3166 [inline]
       check_prevs_add kernel/locking/lockdep.c:3285 [inline]
       validate_chain+0xa69/0x24e0 kernel/locking/lockdep.c:3909
       __lock_acquire+0xad5/0xd80 kernel/locking/lockdep.c:5235
       lock_acquire+0x116/0x2f0 kernel/locking/lockdep.c:5866
       __mutex_lock_common kernel/locking/mutex.c:601 [inline]
       __mutex_lock+0x1a5/0x10c0 kernel/locking/mutex.c:746
       team_port_change_check+0x51/0x1e0 drivers/net/team/team_core.c:2966
       team_device_event+0x161/0x5b0 drivers/net/team/team_core.c:2992
       notifier_call_chain+0x1a5/0x3f0 kernel/notifier.c:85
       __dev_notify_flags+0x209/0x410 net/core/dev.c:-1
       netif_change_flags+0xf0/0x1a0 net/core/dev.c:9487
       do_setlink+0xee3/0x4390 net/core/rtnetlink.c:3152
       rtnl_changelink net/core/rtnetlink.c:3772 [inline]
       __rtnl_newlink net/core/rtnetlink.c:3931 [inline]
       rtnl_newlink+0x17e2/0x1fe0 net/core/rtnetlink.c:4068
       rtnetlink_rcv_msg+0x80f/0xd70 net/core/rtnetlink.c:6958
       netlink_rcv_skb+0x208/0x480 net/netlink/af_netlink.c:2534
       netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
       netlink_unicast+0x7f8/0x9a0 net/netlink/af_netlink.c:1339
       netlink_sendmsg+0x8c3/0xcd0 net/netlink/af_netlink.c:1883
       sock_sendmsg_nosec net/socket.c:712 [inline]
       __sock_sendmsg+0x221/0x270 net/socket.c:727
       ____sys_sendmsg+0x523/0x860 net/socket.c:2566
       ___sys_sendmsg net/socket.c:2620 [inline]
       __sys_sendmsg+0x271/0x360 net/socket.c:2652
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

other info that might help us debug this:

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&dev_instance_lock_key#3);
                               lock(team->team_lock_key);
                               lock(&dev_instance_lock_key#3);
  lock(team->team_lock_key);

 *** DEADLOCK ***

2 locks held by syz-executor391/5847:
 #0: ffffffff900fd448 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline]
 #0: ffffffff900fd448 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline]
 #0: ffffffff900fd448 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0xd68/0x1fe0 net/core/rtnetlink.c:4067
 #1: ffff88803469ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2756 [inline]
 #1: ffff88803469ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline]
 #1: ffff88803469ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: do_setlink+0x3c1/0x4390 net/core/rtnetlink.c:3051

stack backtrace:
CPU: 0 UID: 0 PID: 5847 Comm: syz-executor391 Not tainted 6.15.0-rc1-syzkaller-00209-gfaeefc173be4 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 print_circular_bug+0x2e1/0x300 kernel/locking/lockdep.c:2079
 check_noncircular+0x142/0x160 kernel/locking/lockdep.c:2211
 check_prev_add kernel/locking/lockdep.c:3166 [inline]
 check_prevs_add kernel/locking/lockdep.c:3285 [inline]
 validate_chain+0xa69/0x24e0 kernel/locking/lockdep.c:3909
 __lock_acquire+0xad5/0xd80 kernel/locking/lockdep.c:5235
 lock_acquire+0x116/0x2f0 kernel/locking/lockdep.c:5866
 __mutex_lock_common kernel/locking/mutex.c:601 [inline]
 __mutex_lock+0x1a5/0x10c0 kernel/locking/mutex.c:746
 team_port_change_check+0x51/0x1e0 drivers/net/team/team_core.c:2966
 team_device_event+0x161/0x5b0 drivers/net/team/team_core.c:2992
 notifier_call_chain+0x1a5/0x3f0 kernel/notifier.c:85
 __dev_notify_flags+0x209/0x410 net/core/dev.c:-1
 netif_change_flags+0xf0/0x1a0 net/core/dev.c:9487
 do_setlink+0xee3/0x4390 net/core/rtnetlink.c:3152
 rtnl_changelink net/core/rtnetlink.c:3772 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3931 [inline]
 rtnl_newlink+0x17e2/0x1fe0 net/core/rtnetlink.c:4068
 rtnetlink_rcv_msg+0x80f/0xd70 net/core/rtnetlink.c:6958
 netlink_rcv_skb+0x208/0x480 net/netlink/af_netlink.c:2534
 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
 netlink_unicast+0x7f8/0x9a0 net/netlink/af_netlink.c:1339
 netlink_sendmsg+0x8c3/0xcd0 net/netlink/af_netlink.c:1883
 sock_sendmsg_nosec net/socket.c:712 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:727
 ____sys_sendmsg+0x523/0x860 net/socket.c:2566
 ___sys_sendmsg net/socket.c:2620 [inline]
 __sys_sendmsg+0x271/0x360 net/socket.c:2652
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f686ce2c4d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1a 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff8080d3d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f686ce2c4d9
RDX: 0000000000000000 RSI: 0000200000000600 RDI: 0000000000000003
RBP: 00007fff8080d410 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000f4240
R13: 00000000000180a6 R14: 00007fff8080d3f4 R15: 00007fff8080d400
 </TASK>

final repro crashed as (corrupted=false):
netlink: 'syz-executor391': attribute type 10 has an invalid length.
======================================================
WARNING: possible circular locking dependency detected
6.15.0-rc1-syzkaller-00209-gfaeefc173be4 #0 Not tainted
------------------------------------------------------
syz-executor391/5847 is trying to acquire lock:
ffff888035640e00 (team->team_lock_key){+.+.}-{4:4}, at: team_port_change_check+0x51/0x1e0 drivers/net/team/team_core.c:2966

but task is already holding lock:
ffff88803469ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2756 [inline]
ffff88803469ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline]
ffff88803469ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: do_setlink+0x3c1/0x4390 net/core/rtnetlink.c:3051

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #1 (&dev_instance_lock_key#3){+.+.}-{4:4}:
       lock_acquire+0x116/0x2f0 kernel/locking/lockdep.c:5866
       __mutex_lock_common kernel/locking/mutex.c:601 [inline]
       __mutex_lock+0x1a5/0x10c0 kernel/locking/mutex.c:746
       netdev_lock include/linux/netdevice.h:2756 [inline]
       netdev_lock_ops include/net/netdev_lock.h:42 [inline]
       dev_set_mtu+0x11c/0x270 net/core/dev_api.c:246
       team_port_add drivers/net/team/team_core.c:1215 [inline]
       team_add_slave+0x83b/0x28b0 drivers/net/team/team_core.c:1989
       do_set_master+0x579/0x730 net/core/rtnetlink.c:2946
       do_setlink+0xf76/0x4390 net/core/rtnetlink.c:3159
       rtnl_changelink net/core/rtnetlink.c:3772 [inline]
       __rtnl_newlink net/core/rtnetlink.c:3931 [inline]
       rtnl_newlink+0x17e2/0x1fe0 net/core/rtnetlink.c:4068
       rtnetlink_rcv_msg+0x80f/0xd70 net/core/rtnetlink.c:6958
       netlink_rcv_skb+0x208/0x480 net/netlink/af_netlink.c:2534
       netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
       netlink_unicast+0x7f8/0x9a0 net/netlink/af_netlink.c:1339
       netlink_sendmsg+0x8c3/0xcd0 net/netlink/af_netlink.c:1883
       sock_sendmsg_nosec net/socket.c:712 [inline]
       __sock_sendmsg+0x221/0x270 net/socket.c:727
       ____sys_sendmsg+0x523/0x860 net/socket.c:2566
       ___sys_sendmsg net/socket.c:2620 [inline]
       __sys_sendmsg+0x271/0x360 net/socket.c:2652
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #0 (team->team_lock_key){+.+.}-{4:4}:
       check_prev_add kernel/locking/lockdep.c:3166 [inline]
       check_prevs_add kernel/locking/lockdep.c:3285 [inline]
       validate_chain+0xa69/0x24e0 kernel/locking/lockdep.c:3909
       __lock_acquire+0xad5/0xd80 kernel/locking/lockdep.c:5235
       lock_acquire+0x116/0x2f0 kernel/locking/lockdep.c:5866
       __mutex_lock_common kernel/locking/mutex.c:601 [inline]
       __mutex_lock+0x1a5/0x10c0 kernel/locking/mutex.c:746
       team_port_change_check+0x51/0x1e0 drivers/net/team/team_core.c:2966
       team_device_event+0x161/0x5b0 drivers/net/team/team_core.c:2992
       notifier_call_chain+0x1a5/0x3f0 kernel/notifier.c:85
       __dev_notify_flags+0x209/0x410 net/core/dev.c:-1
       netif_change_flags+0xf0/0x1a0 net/core/dev.c:9487
       do_setlink+0xee3/0x4390 net/core/rtnetlink.c:3152
       rtnl_changelink net/core/rtnetlink.c:3772 [inline]
       __rtnl_newlink net/core/rtnetlink.c:3931 [inline]
       rtnl_newlink+0x17e2/0x1fe0 net/core/rtnetlink.c:4068
       rtnetlink_rcv_msg+0x80f/0xd70 net/core/rtnetlink.c:6958
       netlink_rcv_skb+0x208/0x480 net/netlink/af_netlink.c:2534
       netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
       netlink_unicast+0x7f8/0x9a0 net/netlink/af_netlink.c:1339
       netlink_sendmsg+0x8c3/0xcd0 net/netlink/af_netlink.c:1883
       sock_sendmsg_nosec net/socket.c:712 [inline]
       __sock_sendmsg+0x221/0x270 net/socket.c:727
       ____sys_sendmsg+0x523/0x860 net/socket.c:2566
       ___sys_sendmsg net/socket.c:2620 [inline]
       __sys_sendmsg+0x271/0x360 net/socket.c:2652
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

other info that might help us debug this:

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&dev_instance_lock_key#3);
                               lock(team->team_lock_key);
                               lock(&dev_instance_lock_key#3);
  lock(team->team_lock_key);

 *** DEADLOCK ***

2 locks held by syz-executor391/5847:
 #0: ffffffff900fd448 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline]
 #0: ffffffff900fd448 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline]
 #0: ffffffff900fd448 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0xd68/0x1fe0 net/core/rtnetlink.c:4067
 #1: ffff88803469ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2756 [inline]
 #1: ffff88803469ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline]
 #1: ffff88803469ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: do_setlink+0x3c1/0x4390 net/core/rtnetlink.c:3051

stack backtrace:
CPU: 0 UID: 0 PID: 5847 Comm: syz-executor391 Not tainted 6.15.0-rc1-syzkaller-00209-gfaeefc173be4 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 print_circular_bug+0x2e1/0x300 kernel/locking/lockdep.c:2079
 check_noncircular+0x142/0x160 kernel/locking/lockdep.c:2211
 check_prev_add kernel/locking/lockdep.c:3166 [inline]
 check_prevs_add kernel/locking/lockdep.c:3285 [inline]
 validate_chain+0xa69/0x24e0 kernel/locking/lockdep.c:3909
 __lock_acquire+0xad5/0xd80 kernel/locking/lockdep.c:5235
 lock_acquire+0x116/0x2f0 kernel/locking/lockdep.c:5866
 __mutex_lock_common kernel/locking/mutex.c:601 [inline]
 __mutex_lock+0x1a5/0x10c0 kernel/locking/mutex.c:746
 team_port_change_check+0x51/0x1e0 drivers/net/team/team_core.c:2966
 team_device_event+0x161/0x5b0 drivers/net/team/team_core.c:2992
 notifier_call_chain+0x1a5/0x3f0 kernel/notifier.c:85
 __dev_notify_flags+0x209/0x410 net/core/dev.c:-1
 netif_change_flags+0xf0/0x1a0 net/core/dev.c:9487
 do_setlink+0xee3/0x4390 net/core/rtnetlink.c:3152
 rtnl_changelink net/core/rtnetlink.c:3772 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3931 [inline]
 rtnl_newlink+0x17e2/0x1fe0 net/core/rtnetlink.c:4068
 rtnetlink_rcv_msg+0x80f/0xd70 net/core/rtnetlink.c:6958
 netlink_rcv_skb+0x208/0x480 net/netlink/af_netlink.c:2534
 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
 netlink_unicast+0x7f8/0x9a0 net/netlink/af_netlink.c:1339
 netlink_sendmsg+0x8c3/0xcd0 net/netlink/af_netlink.c:1883
 sock_sendmsg_nosec net/socket.c:712 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:727
 ____sys_sendmsg+0x523/0x860 net/socket.c:2566
 ___sys_sendmsg net/socket.c:2620 [inline]
 __sys_sendmsg+0x271/0x360 net/socket.c:2652
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f686ce2c4d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1a 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff8080d3d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f686ce2c4d9
RDX: 0000000000000000 RSI: 0000200000000600 RDI: 0000000000000003
RBP: 00007fff8080d410 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000f4240
R13: 00000000000180a6 R14: 00007fff8080d3f4 R15: 00007fff8080d400
 </TASK>