Extracting prog: 2m41.739754449s
Minimizing prog: 36m53.763126555s
Simplifying prog options: 0s
Extracting C: 1m14.7302868s
Simplifying C: 20m59.920049182s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x4)
close(r0)
socket$kcm(0x10, 0x3, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000140)="5c00000013006bcd9e3fe3dc6e48aa31086b8703470000007ea60264070af365040014000d000a0010000000dee517d34460bc24eab55603000000000000003651f60a84c9f5d1938037e786a6d0bdd7fcf50e4509c5bb5a00f69853", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f00000002c0)={'wlan0\x00', <r4=>0x0})
sendmsg$NL80211_CMD_ABORT_SCAN(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="379500009f833d3234d308f8000008000300", @ANYRES32=r4], 0x1c}}, 0x0)

program crashed: possible deadlock in team_del_slave
single: successfully extracted reproducer
found reproducer with 9 syscalls
minimizing guilty program
testing program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x4)
close(r0)
socket$kcm(0x10, 0x3, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000140)="5c00000013006bcd9e3fe3dc6e48aa31086b8703470000007ea60264070af365040014000d000a0010000000dee517d34460bc24eab55603000000000000003651f60a84c9f5d1938037e786a6d0bdd7fcf50e4509c5bb5a00f69853", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f00000002c0)={'wlan0\x00'})

program did not crash
testing program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_ABORT_SCAN
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x4)
close(r0)
socket$kcm(0x10, 0x3, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000140)="5c00000013006bcd9e3fe3dc6e48aa31086b8703470000007ea60264070af365040014000d000a0010000000dee517d34460bc24eab55603000000000000003651f60a84c9f5d1938037e786a6d0bdd7fcf50e4509c5bb5a00f69853", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff)
sendmsg$NL80211_CMD_ABORT_SCAN(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="379500009f833d3234d308f8000008000300", @ANYRES32], 0x1c}}, 0x0)

program did not crash
testing program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x4)
close(r0)
socket$kcm(0x10, 0x3, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000140)="5c00000013006bcd9e3fe3dc6e48aa31086b8703470000007ea60264070af365040014000d000a0010000000dee517d34460bc24eab55603000000000000003651f60a84c9f5d1938037e786a6d0bdd7fcf50e4509c5bb5a00f69853", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f00000002c0)={'wlan0\x00', <r3=>0x0})
sendmsg$NL80211_CMD_ABORT_SCAN(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="1c000000", @ANYRES16, @ANYBLOB="379500009f833d3234d308f8000008000300", @ANYRES32=r3], 0x1c}}, 0x0)

program did not crash
testing program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x4)
close(r0)
socket$kcm(0x10, 0x3, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000140)="5c00000013006bcd9e3fe3dc6e48aa31086b8703470000007ea60264070af365040014000d000a0010000000dee517d34460bc24eab55603000000000000003651f60a84c9f5d1938037e786a6d0bdd7fcf50e4509c5bb5a00f69853", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000002c0)={'wlan0\x00', <r3=>0x0})
sendmsg$NL80211_CMD_ABORT_SCAN(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="379500009f833d3234d308f8000008000300", @ANYRES32=r3], 0x1c}}, 0x0)

program did not crash
testing program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x4)
close(r0)
socket$kcm(0x10, 0x3, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000140)="5c00000013006bcd9e3fe3dc6e48aa31086b8703470000007ea60264070af365040014000d000a0010000000dee517d34460bc24eab55603000000000000003651f60a84c9f5d1938037e786a6d0bdd7fcf50e4509c5bb5a00f69853", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f00000002c0)={'wlan0\x00', <r3=>0x0})
sendmsg$NL80211_CMD_ABORT_SCAN(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="379500009f833d3234d308f8000008000300", @ANYRES32=r3], 0x1c}}, 0x0)

program did not crash
testing program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x4)
close(r0)
socket$kcm(0x10, 0x3, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f00000002c0)={'wlan0\x00', <r4=>0x0})
sendmsg$NL80211_CMD_ABORT_SCAN(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="379500009f833d3234d308f8000008000300", @ANYRES32=r4], 0x1c}}, 0x0)

program did not crash
testing program (duration=1m5.644814331s, {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$kcm-close-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x4)
close(r0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000140)="5c00000013006bcd9e3fe3dc6e48aa31086b8703470000007ea60264070af365040014000d000a0010000000dee517d34460bc24eab55603000000000000003651f60a84c9f5d1938037e786a6d0bdd7fcf50e4509c5bb5a00f69853", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f00000002c0)={'wlan0\x00', <r4=>0x0})
sendmsg$NL80211_CMD_ABORT_SCAN(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="379500009f833d3234d308f8000008000300", @ANYRES32=r4], 0x1c}}, 0x0)

program did not crash
testing program (duration=1m5.644814331s, {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$kcm-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x4)
socket$kcm(0x10, 0x3, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000140)="5c00000013006bcd9e3fe3dc6e48aa31086b8703470000007ea60264070af365040014000d000a0010000000dee517d34460bc24eab55603000000000000003651f60a84c9f5d1938037e786a6d0bdd7fcf50e4509c5bb5a00f69853", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f00000002c0)={'wlan0\x00', <r4=>0x0})
sendmsg$NL80211_CMD_ABORT_SCAN(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="379500009f833d3234d308f8000008000300", @ANYRES32=r4], 0x1c}}, 0x0)

program did not crash
testing program (duration=1m5.644814331s, {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}}): close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
detailed listing:
executing program 0:
close(0xffffffffffffffff)
socket$kcm(0x10, 0x3, 0x0)
sendmsg$inet(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000140)="5c00000013006bcd9e3fe3dc6e48aa31086b8703470000007ea60264070af365040014000d000a0010000000dee517d34460bc24eab55603000000000000003651f60a84c9f5d1938037e786a6d0bdd7fcf50e4509c5bb5a00f69853", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f00000002c0)={'wlan0\x00', <r3=>0x0})
sendmsg$NL80211_CMD_ABORT_SCAN(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="379500009f833d3234d308f8000008000300", @ANYRES32=r3], 0x1c}}, 0x0)

program did not crash
testing program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x4)
close(r0)
socket$kcm(0x10, 0x3, 0x0)
sendmsg$inet(r0, 0x0, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f00000002c0)={'wlan0\x00', <r4=>0x0})
sendmsg$NL80211_CMD_ABORT_SCAN(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="379500009f833d3234d308f8000008000300", @ANYRES32=r4], 0x1c}}, 0x0)

program did not crash
testing program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x4)
close(r0)
socket$kcm(0x10, 0x3, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f00c00e}, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f00000002c0)={'wlan0\x00', <r4=>0x0})
sendmsg$NL80211_CMD_ABORT_SCAN(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="379500009f833d3234d308f8000008000300", @ANYRES32=r4], 0x1c}}, 0x0)

program did not crash
testing program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x4)
close(r0)
socket$kcm(0x10, 0x3, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{0x0}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f00000002c0)={'wlan0\x00', <r4=>0x0})
sendmsg$NL80211_CMD_ABORT_SCAN(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="379500009f833d3234d308f8000008000300", @ANYRES32=r4], 0x1c}}, 0x0)

program did not crash
testing program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x4)
close(r0)
socket$kcm(0x10, 0x3, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000140)}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f00000002c0)={'wlan0\x00', <r4=>0x0})
sendmsg$NL80211_CMD_ABORT_SCAN(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="379500009f833d3234d308f8000008000300", @ANYRES32=r4], 0x1c}}, 0x0)

program did not crash
testing program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x4)
close(r0)
socket$kcm(0x10, 0x3, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000140)="5c00000013006bcd9e3fe3dc6e48aa31086b8703470000007ea60264070af365040014000d000a0010000000dee517d34460bc24eab55603000000000000003651f60a84c9f5d1938037e786a6d0bdd7fcf50e4509c5bb5a00f69853", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f00000002c0)={'wlan0\x00', <r4=>0x0})
sendmsg$NL80211_CMD_ABORT_SCAN(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="379500009f833d3234d308f8000008000300", @ANYRES32=r4], 0x1c}}, 0x0)

program did not crash
testing program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x4)
close(r0)
socket$kcm(0x10, 0x3, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000140)="5c00000013006bcd9e3fe3dc6e48aa31086b8703470000007ea60264070af365040014000d000a0010000000dee517d34460bc24eab55603000000000000003651f60a84c9f5d1938037e786a6d0bdd7fcf50e4509c5bb5a00f69853", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, 0x0)
sendmsg$NL80211_CMD_ABORT_SCAN(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="379500009f833d3234d308f8000008000300", @ANYRES32], 0x1c}}, 0x0)

program did not crash
testing program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x4)
close(r0)
socket$kcm(0x10, 0x3, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000140)="5c00000013006bcd9e3fe3dc6e48aa31086b8703470000007ea60264070af365040014000d000a0010000000dee517d34460bc24eab55603000000000000003651f60a84c9f5d1938037e786a6d0bdd7fcf50e4509c5bb5a00f69853", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f00000002c0)={'wlan0\x00'})
sendmsg$NL80211_CMD_ABORT_SCAN(r1, 0x0, 0x0)

program did not crash
testing program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x4)
close(r0)
socket$kcm(0x10, 0x3, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000140)="5c00000013006bcd9e3fe3dc6e48aa31086b8703470000007ea60264070af365040014000d000a0010000000dee517d34460bc24eab55603000000000000003651f60a84c9f5d1938037e786a6d0bdd7fcf50e4509c5bb5a00f69853", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f00000002c0)={'wlan0\x00'})
sendmsg$NL80211_CMD_ABORT_SCAN(r1, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x4)
close(r0)
socket$kcm(0x10, 0x3, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000140)="5c00000013006bcd9e3fe3dc6e48aa31086b8703470000007ea60264070af365040014000d000a0010000000dee517d34460bc24eab55603000000000000003651f60a84c9f5d1938037e786a6d0bdd7fcf50e4509c5bb5a00f69853", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f00000002c0)={'wlan0\x00'})
sendmsg$NL80211_CMD_ABORT_SCAN(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0, 0x1c}}, 0x0)

program did not crash
testing program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x4)
close(r0)
socket$kcm(0x10, 0x3, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000140)="5c00000013006bcd9e3fe3dc6e48aa31086b8703470000007ea60264070af365040014000d000a0010000000dee517d34460bc24eab55603000000000000003651f60a84c9f5d1938037e786a6d0bdd7fcf50e4509c5bb5a00f69853", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f00000002c0)={'wlan0\x00'})
sendmsg$NL80211_CMD_ABORT_SCAN(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000300)=ANY=[], 0x1c}}, 0x0)

program did not crash
testing program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x4)
close(r0)
socket$kcm(0x10, 0x3, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000140)="5c00000013006bcd9e3fe3dc6e48aa31086b8703470000007ea60264070af365040014000d000a0010000000dee517d34460bc24eab55603000000000000003651f60a84c9f5d1938037e786a6d0bdd7fcf50e4509c5bb5a00f69853", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f00000002c0)={'wlan0\x00', <r4=>0x0})
sendmsg$NL80211_CMD_ABORT_SCAN(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB, @ANYRES32=r4], 0x1c}}, 0x0)

program did not crash
testing program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x2, 0x4)
close(r0)
socket$kcm(0x10, 0x3, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000140)="5c00000013006bcd9e3fe3dc6e48aa31086b8703470000007ea60264070af365040014000d000a0010000000dee517d34460bc24eab55603000000000000003651f60a84c9f5d1938037e786a6d0bdd7fcf50e4509c5bb5a00f69853", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f00000002c0)={'wlan0\x00', <r4=>0x0})
sendmsg$NL80211_CMD_ABORT_SCAN(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000300)=ANY=[@ANYBLOB, @ANYRES16=r3, @ANYBLOB="379500009f833d3234d308f8000008000300", @ANYRES32=r4], 0x1c}}, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
program crashed: possible deadlock in team_del_slave
simplifying C reproducer
testing compiled C program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
program crashed: possible deadlock in team_del_slave
testing compiled C program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
program crashed: possible deadlock in team_del_slave
testing compiled C program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
program did not crash
testing compiled C program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
program did not crash
testing compiled C program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
program did not crash
testing compiled C program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
program crashed: possible deadlock in team_del_slave
testing compiled C program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
program crashed: possible deadlock in team_del_slave
testing compiled C program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
program crashed: possible deadlock in team_del_slave
testing compiled C program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
program crashed: possible deadlock in team_del_slave
testing compiled C program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
program crashed: possible deadlock in team_del_slave
testing compiled C program (duration=1m5.644814331s, {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$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
program did not crash
testing compiled C program (duration=1m5.644814331s, {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:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
program crashed: possible deadlock in team_del_slave
testing compiled C program (duration=1m5.644814331s, {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:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
program crashed: possible deadlock in team_del_slave
testing compiled C program (duration=1m5.644814331s, {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:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
program crashed: possible deadlock in team_del_slave
testing compiled C program (duration=1m5.644814331s, {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:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
program crashed: possible deadlock in team_del_slave
testing compiled C program (duration=1m5.644814331s, {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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-close-socket$kcm-sendmsg$inet-socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_ABORT_SCAN
program crashed: possible deadlock in team_del_slave
reproducing took 1h1m50.153243168s
repro crashed as (corrupted=false):
netlink: 'syz-executor284': attribute type 10 has an invalid length.
netlink: 40 bytes leftover after parsing attributes in process `syz-executor284'.
mac80211_hwsim hwsim2 wlan0: entered allmulticast mode
team0: Port device wlan0 added
======================================================
WARNING: possible circular locking dependency detected
6.15.0-rc2-syzkaller-00471-g119009db2674 #0 Not tainted
------------------------------------------------------
syz-executor284/5835 is trying to acquire lock:
ffff8880132ece00 (team->team_lock_key){+.+.}-{4:4}, at: team_del_slave+0x32/0x1d0 drivers/net/team/team_core.c:2003

but task is already holding lock:
ffff888033118768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: nl80211_del_interface+0x11a/0x140 net/wireless/nl80211.c:4574

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #1 (&rdev->wiphy.mtx){+.+.}-{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
       class_wiphy_constructor include/net/cfg80211.h:6092 [inline]
       ieee80211_open+0xe9/0x1e0 net/mac80211/iface.c:445
       __dev_open+0x484/0x900 net/core/dev.c:1629
       netif_open+0xaf/0x1b0 net/core/dev.c:1652
       dev_open+0x13e/0x260 net/core/dev_api.c:200
       team_port_add drivers/net/team/team_core.c:1230 [inline]
       team_add_slave+0xac0/0x28b0 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_setlink+0x855/0xc00 net/core/rtnetlink.c:3466
       rtnetlink_rcv_msg+0x80f/0xd70 net/core/rtnetlink.c:6955
       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+0xf3/0x210 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_del_slave+0x32/0x1d0 drivers/net/team/team_core.c:2003
       team_device_event+0x200/0x5b0 drivers/net/team/team_core.c:3000
       notifier_call_chain+0x1a5/0x3f0 kernel/notifier.c:85
       call_netdevice_notifiers_extack net/core/dev.c:2214 [inline]
       call_netdevice_notifiers net/core/dev.c:2228 [inline]
       unregister_netdevice_many_notify+0x16b7/0x2640 net/core/dev.c:11982
       unregister_netdevice_many net/core/dev.c:12046 [inline]
       unregister_netdevice_queue+0x383/0x400 net/core/dev.c:11889
       unregister_netdevice include/linux/netdevice.h:3374 [inline]
       _cfg80211_unregister_wdev+0x163/0x590 net/wireless/core.c:1256
       ieee80211_if_remove+0x25d/0x320 net/mac80211/iface.c:2259
       ieee80211_del_iface+0x19/0x30 net/mac80211/cfg.c:224
       rdev_del_virtual_intf net/wireless/rdev-ops.h:62 [inline]
       cfg80211_remove_virtual_intf+0x23f/0x410 net/wireless/util.c:2871
       genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline]
       genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
       genl_rcv_msg+0xb38/0xf00 net/netlink/genetlink.c:1210
       netlink_rcv_skb+0x208/0x480 net/netlink/af_netlink.c:2534
       genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
       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+0xf3/0x210 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(&rdev->wiphy.mtx);
                               lock(team->team_lock_key);
                               lock(&rdev->wiphy.mtx);
  lock(team->team_lock_key);

 *** DEADLOCK ***

3 locks held by syz-executor284/5835:
 #0: ffffffff9014f710 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218
 #1: ffffffff900eb288 (rtnl_mutex){+.+.}-{4:4}, at: nl80211_pre_doit+0x5f/0x8b0 net/wireless/nl80211.c:16693
 #2: ffff888033118768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: nl80211_del_interface+0x11a/0x140 net/wireless/nl80211.c:4574

stack backtrace:
CPU: 1 UID: 0 PID: 5835 Comm: syz-executor284 Not tainted 6.15.0-rc2-syzkaller-00471-g119009db2674 #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_del_slave+0x32/0x1d0 drivers/net/team/team_core.c:2003
 team_device_event+0x200/0x5b0 drivers/net/team/team_core.c:3000
 notifier_call_chain+0x1a5/0x3f0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2214 [inline]
 call_netdevice_notifiers net/core/dev.c:2228 [inline]
 unregister_netdevice_many_notify+0x16b7/0x2640 net/core/dev.c:11982
 unregister_netdevice_many net/core/dev.c:12046 [inline]
 unregister_netdevice_queue+0x383/0x400 net/core/dev.c:11889
 unregister_netdevice include/linux/netdevice.h:3374 [inline]
 _cfg80211_unregister_wdev+0x163/0x590 net/wireless/core.c:1256
 ieee80211_if_remove+0x25d/0x320 net/mac80211/iface.c:2259
 ieee80211_del_iface+0x19/0x30 net/mac80211/cfg.c:224
 rdev_del_virtual_intf net/wireless/rdev-ops.h:62 [inline]
 cfg80211_remove_virtual_intf+0x23f/0x410 net/wireless/util.c:2871
 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0xb38/0xf00 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x208/0x480 net/netlink/af_netlink.c:2534
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 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+0xf3/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe0d0f32c19
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:00007ffc6be19fb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe0d0f32c19
RDX: 0000000000000000 RSI: 0000200000000400 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe0d0f80464
R13: 00007ffc6be19ffc R14: 00007ffc6be1a030 R15: 0000000000000048
 </TASK>
team0: Port device wlan0 removed

final repro crashed as (corrupted=false):
netlink: 'syz-executor284': attribute type 10 has an invalid length.
netlink: 40 bytes leftover after parsing attributes in process `syz-executor284'.
mac80211_hwsim hwsim2 wlan0: entered allmulticast mode
team0: Port device wlan0 added
======================================================
WARNING: possible circular locking dependency detected
6.15.0-rc2-syzkaller-00471-g119009db2674 #0 Not tainted
------------------------------------------------------
syz-executor284/5835 is trying to acquire lock:
ffff8880132ece00 (team->team_lock_key){+.+.}-{4:4}, at: team_del_slave+0x32/0x1d0 drivers/net/team/team_core.c:2003

but task is already holding lock:
ffff888033118768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: nl80211_del_interface+0x11a/0x140 net/wireless/nl80211.c:4574

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #1 (&rdev->wiphy.mtx){+.+.}-{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
       class_wiphy_constructor include/net/cfg80211.h:6092 [inline]
       ieee80211_open+0xe9/0x1e0 net/mac80211/iface.c:445
       __dev_open+0x484/0x900 net/core/dev.c:1629
       netif_open+0xaf/0x1b0 net/core/dev.c:1652
       dev_open+0x13e/0x260 net/core/dev_api.c:200
       team_port_add drivers/net/team/team_core.c:1230 [inline]
       team_add_slave+0xac0/0x28b0 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_setlink+0x855/0xc00 net/core/rtnetlink.c:3466
       rtnetlink_rcv_msg+0x80f/0xd70 net/core/rtnetlink.c:6955
       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+0xf3/0x210 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_del_slave+0x32/0x1d0 drivers/net/team/team_core.c:2003
       team_device_event+0x200/0x5b0 drivers/net/team/team_core.c:3000
       notifier_call_chain+0x1a5/0x3f0 kernel/notifier.c:85
       call_netdevice_notifiers_extack net/core/dev.c:2214 [inline]
       call_netdevice_notifiers net/core/dev.c:2228 [inline]
       unregister_netdevice_many_notify+0x16b7/0x2640 net/core/dev.c:11982
       unregister_netdevice_many net/core/dev.c:12046 [inline]
       unregister_netdevice_queue+0x383/0x400 net/core/dev.c:11889
       unregister_netdevice include/linux/netdevice.h:3374 [inline]
       _cfg80211_unregister_wdev+0x163/0x590 net/wireless/core.c:1256
       ieee80211_if_remove+0x25d/0x320 net/mac80211/iface.c:2259
       ieee80211_del_iface+0x19/0x30 net/mac80211/cfg.c:224
       rdev_del_virtual_intf net/wireless/rdev-ops.h:62 [inline]
       cfg80211_remove_virtual_intf+0x23f/0x410 net/wireless/util.c:2871
       genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline]
       genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
       genl_rcv_msg+0xb38/0xf00 net/netlink/genetlink.c:1210
       netlink_rcv_skb+0x208/0x480 net/netlink/af_netlink.c:2534
       genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
       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+0xf3/0x210 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(&rdev->wiphy.mtx);
                               lock(team->team_lock_key);
                               lock(&rdev->wiphy.mtx);
  lock(team->team_lock_key);

 *** DEADLOCK ***

3 locks held by syz-executor284/5835:
 #0: ffffffff9014f710 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218
 #1: ffffffff900eb288 (rtnl_mutex){+.+.}-{4:4}, at: nl80211_pre_doit+0x5f/0x8b0 net/wireless/nl80211.c:16693
 #2: ffff888033118768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: nl80211_del_interface+0x11a/0x140 net/wireless/nl80211.c:4574

stack backtrace:
CPU: 1 UID: 0 PID: 5835 Comm: syz-executor284 Not tainted 6.15.0-rc2-syzkaller-00471-g119009db2674 #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_del_slave+0x32/0x1d0 drivers/net/team/team_core.c:2003
 team_device_event+0x200/0x5b0 drivers/net/team/team_core.c:3000
 notifier_call_chain+0x1a5/0x3f0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2214 [inline]
 call_netdevice_notifiers net/core/dev.c:2228 [inline]
 unregister_netdevice_many_notify+0x16b7/0x2640 net/core/dev.c:11982
 unregister_netdevice_many net/core/dev.c:12046 [inline]
 unregister_netdevice_queue+0x383/0x400 net/core/dev.c:11889
 unregister_netdevice include/linux/netdevice.h:3374 [inline]
 _cfg80211_unregister_wdev+0x163/0x590 net/wireless/core.c:1256
 ieee80211_if_remove+0x25d/0x320 net/mac80211/iface.c:2259
 ieee80211_del_iface+0x19/0x30 net/mac80211/cfg.c:224
 rdev_del_virtual_intf net/wireless/rdev-ops.h:62 [inline]
 cfg80211_remove_virtual_intf+0x23f/0x410 net/wireless/util.c:2871
 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0xb38/0xf00 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x208/0x480 net/netlink/af_netlink.c:2534
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 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+0xf3/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe0d0f32c19
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:00007ffc6be19fb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe0d0f32c19
RDX: 0000000000000000 RSI: 0000200000000400 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe0d0f80464
R13: 00007ffc6be19ffc R14: 00007ffc6be1a030 R15: 0000000000000048
 </TASK>
team0: Port device wlan0 removed