Extracting prog: 1m43.16994084s
Minimizing prog: 38m27.615591325s
Simplifying prog options: 0s
Extracting C: 31.700473738s
Simplifying C: 8m22.843770377s


extracting reproducer from 38 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:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-close-socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'wlan1\x00'})
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
close(0xffffffffffffffff)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00', <r3=>0x0})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32=r3, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r4)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r4, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program crashed: WARNING: suspicious RCU usage in ieee80211_check_concurrent_iface
single: successfully extracted reproducer
found reproducer with 13 syscalls
minimizing guilty program
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-close-socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'wlan1\x00'})
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
close(0xffffffffffffffff)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00', <r3=>0x0})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32=r3, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r4)
socket$inet_sctp(0x2, 0x1, 0x84)

program did not crash
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-close-socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'wlan1\x00'})
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
close(0xffffffffffffffff)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00', <r3=>0x0})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32=r3, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r4)
ioctl$SIOCSIFHWADDR(r4, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program did not crash
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-close-socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'wlan1\x00'})
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
close(0xffffffffffffffff)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00', <r3=>0x0})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32=r3, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r4, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program did not crash
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-close-socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'wlan1\x00'})
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
close(0xffffffffffffffff)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00', <r3=>0x0})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32=r3, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
close(0xffffffffffffffff)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program did not crash
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-close-socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'wlan1\x00'})
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
close(0xffffffffffffffff)
socket$nl_generic(0x10, 0x3, 0x10)
r0 = socket$unix(0x1, 0x2, 0x0)
syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan1\x00'})
r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r1)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program did not crash
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-close-socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'wlan1\x00'})
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
close(0xffffffffffffffff)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
socket$unix(0x1, 0x2, 0x0)
r1 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r2 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r2)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program did not crash
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-close-socket$nl_generic-socket$unix-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'wlan1\x00'})
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
close(0xffffffffffffffff)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00', <r2=>0x0})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32=r2, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r3 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r3)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program did not crash
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-close-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'wlan1\x00'})
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
close(0xffffffffffffffff)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wlan1\x00', <r2=>0x0})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32=r2, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r3 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r3)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program did not crash
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-close-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'wlan1\x00'})
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
close(0xffffffffffffffff)
r0 = socket$unix(0x1, 0x2, 0x0)
r1 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan1\x00', <r2=>0x0})
sendmsg$NL80211_CMD_NEW_INTERFACE(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32=r2, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r3 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r3)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program did not crash
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'wlan1\x00'})
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00', <r3=>0x0})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32=r3, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r4)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r4, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program crashed: WARNING: suspicious RCU usage in ieee80211_check_concurrent_iface
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x1, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'wlan1\x00'})
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00', <r3=>0x0})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32=r3, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r4)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r4, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program crashed: WARNING: suspicious RCU usage in ieee80211_check_concurrent_iface
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x1, 0x0, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00', <r3=>0x0})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32=r3, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r4)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r4, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program crashed: WARNING: suspicious RCU usage in ieee80211_check_concurrent_iface
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00', <r3=>0x0})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32=r3, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r4)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r4, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program crashed: WARNING: suspicious RCU usage in ieee80211_check_concurrent_iface
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
r2 = syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00', <r3=>0x0})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32=r3, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r4)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r4, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program did not crash
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, 0x0)
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r3 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r3)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program did not crash
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00'})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, 0x0, 0x24044884)
r2 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r2)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program did not crash
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00'})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r2 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r2)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program did not crash
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00'})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={0x0, 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r2 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r2)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program did not crash
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00'})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r2 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r2)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program did not crash
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00', <r3=>0x0})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32=r3, @ANYBLOB], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r4)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r4, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program did not crash
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00', <r3=>0x0})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB, @ANYRES32=r3, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r4)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r4, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program did not crash
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00', <r3=>0x0})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32=r3, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r4)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r4, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program did not crash
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00', <r3=>0x0})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32=r3, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r4 = openat$tun(0xffffffffffffff9c, 0x0, 0x0, 0x0)
close(r4)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r4, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program did not crash
testing program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00', <r3=>0x0})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32=r3, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r4)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r4, 0x8914, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=45.661393977s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
program crashed: WARNING: suspicious RCU usage in ieee80211_check_concurrent_iface
simplifying C reproducer
testing compiled C program (duration=45.661393977s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
program crashed: WARNING: suspicious RCU usage in ieee80211_check_concurrent_iface
testing compiled C program (duration=45.661393977s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
program crashed: WARNING: suspicious RCU usage in ieee80211_check_concurrent_iface
testing compiled C program (duration=45.661393977s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
program crashed: WARNING: suspicious RCU usage in ieee80211_check_concurrent_iface
testing compiled C program (duration=45.661393977s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
program crashed: WARNING: suspicious RCU usage in ieee80211_check_concurrent_iface
testing compiled C program (duration=45.661393977s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
program crashed: WARNING: suspicious RCU usage in ieee80211_check_concurrent_iface
testing compiled C program (duration=45.661393977s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
program crashed: WARNING: suspicious RCU usage in ieee80211_check_concurrent_iface
testing compiled C program (duration=45.661393977s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
program crashed: WARNING: suspicious RCU usage in ieee80211_check_concurrent_iface
testing program (duration=45.661393977s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00', <r3=>0x0})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32=r3, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r4)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r4, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program crashed: WARNING: suspicious RCU usage in ieee80211_check_concurrent_iface
validation run: crashed=true
testing program (duration=45.661393977s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00', <r3=>0x0})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32=r3, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r4)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r4, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program crashed: WARNING: suspicious RCU usage in ieee80211_check_concurrent_iface
validation run: crashed=true
testing program (duration=45.661393977s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$unix-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_NEW_INTERFACE-openat$tun-close-socket$inet_sctp-ioctl$SIOCSIFHWADDR
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$unix(0x1, 0x2, 0x0)
r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00', <r3=>0x0})
sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32=r3, @ANYBLOB="0c009900ff070000070000001400040073797a6b616c6c6572300000000000000800050006"], 0x44}, 0x1, 0x0, 0x0, 0x81}, 0x24044884)
r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
close(r4)
socket$inet_sctp(0x2, 0x1, 0x84)
ioctl$SIOCSIFHWADDR(r4, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local})

program crashed: WARNING: suspicious RCU usage in ieee80211_check_concurrent_iface
validation run: crashed=true
reproducing took 51m57.645317231s
repro crashed as (corrupted=false):
=============================
WARNING: suspicious RCU usage
syzkaller #0 Not tainted
-----------------------------
net/mac80211/iface.c:378 suspicious rcu_dereference_protected() usage!

other info that might help us debug this:


rcu_scheduler_active = 2, debug_locks = 1
1 lock held by syz.0.17/5930:
 #0: ffffffff8e3c4308 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x30c/0x1c40 net/ipv4/devinet.c:1101

stack backtrace:
CPU: 0 PID: 5930 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106
 lockdep_rcu_suspicious+0x1e1/0x300 kernel/locking/lockdep.c:6731
 ieee80211_check_concurrent_iface+0x475/0x950 net/mac80211/iface.c:378
 ieee80211_open+0xc1/0x200 net/mac80211/iface.c:466
 __dev_open+0x2cb/0x430 net/core/dev.c:1519
 __dev_change_flags+0x211/0x6a0 net/core/dev.c:8723
 dev_change_flags+0x88/0x1a0 net/core/dev.c:8795
 devinet_ioctl+0x95c/0x1c40 net/ipv4/devinet.c:1177
 inet_ioctl+0x42b/0x560 net/ipv4/af_inet.c:1000
 sock_do_ioctl+0xfc/0x310 net/socket.c:1219
 sock_ioctl+0x5ba/0x7e0 net/socket.c:1340
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl+0xfd/0x170 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f9ddfb9ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd1c6e43b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f9ddfe15fa0 RCX: 00007f9ddfb9ce59
RDX: 0000200000002280 RSI: 0000000000008914 RDI: 0000000000000005
RBP: 00007f9ddfc32d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9ddfe15fac R14: 00007f9ddfe15fa0 R15: 00007f9ddfe15fa0
 </TASK>

final repro crashed as (corrupted=false):
=============================
WARNING: suspicious RCU usage
syzkaller #0 Not tainted
-----------------------------
net/mac80211/iface.c:378 suspicious rcu_dereference_protected() usage!

other info that might help us debug this:


rcu_scheduler_active = 2, debug_locks = 1
1 lock held by syz.0.17/5930:
 #0: ffffffff8e3c4308 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x30c/0x1c40 net/ipv4/devinet.c:1101

stack backtrace:
CPU: 0 PID: 5930 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106
 lockdep_rcu_suspicious+0x1e1/0x300 kernel/locking/lockdep.c:6731
 ieee80211_check_concurrent_iface+0x475/0x950 net/mac80211/iface.c:378
 ieee80211_open+0xc1/0x200 net/mac80211/iface.c:466
 __dev_open+0x2cb/0x430 net/core/dev.c:1519
 __dev_change_flags+0x211/0x6a0 net/core/dev.c:8723
 dev_change_flags+0x88/0x1a0 net/core/dev.c:8795
 devinet_ioctl+0x95c/0x1c40 net/ipv4/devinet.c:1177
 inet_ioctl+0x42b/0x560 net/ipv4/af_inet.c:1000
 sock_do_ioctl+0xfc/0x310 net/socket.c:1219
 sock_ioctl+0x5ba/0x7e0 net/socket.c:1340
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl+0xfd/0x170 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f9ddfb9ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd1c6e43b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f9ddfe15fa0 RCX: 00007f9ddfb9ce59
RDX: 0000200000002280 RSI: 0000000000008914 RDI: 0000000000000005
RBP: 00007f9ddfc32d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9ddfe15fac R14: 00007f9ddfe15fa0 R15: 00007f9ddfe15fa0
 </TASK>