Extracting prog: 2m15.561614295s
Minimizing prog: 26m6.331635336s
Simplifying prog options: 0s
Extracting C: 1m29.284062876s
Simplifying C: 21m59.358012602s


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: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000))
r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_netrom_SIOCDELRT(r1, 0x890c, &(0x7f0000000680)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x89, 'syz1\x00', @null, 0x2, 0x8, [@null, @default, @null, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @bcast]})
r2 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge_slave_1\x00'})
r3 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
r4 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r4, 0x8914, &(0x7f0000000000))
ioctl$sock_netrom_SIOCADDRT(r3, 0x890b, &(0x7f0000000180)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x47b, 'syz1\x00', @null, 0xfffffffd, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]})

program crashed: possible deadlock in nr_del_node
single: successfully extracted reproducer
found reproducer with 12 syscalls
minimizing guilty program
testing program (duration=45.434449767s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000))
r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_netrom_SIOCDELRT(r1, 0x890c, &(0x7f0000000680)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x89, 'syz1\x00', @null, 0x2, 0x8, [@null, @default, @null, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @bcast]})
r2 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge_slave_1\x00'})
syz_init_net_socket$netrom(0x6, 0x5, 0x0)
r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r3, 0x8914, &(0x7f0000000000))

program did not crash
testing program (duration=45.434449767s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000))
r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_netrom_SIOCDELRT(r1, 0x890c, &(0x7f0000000680)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x89, 'syz1\x00', @null, 0x2, 0x8, [@null, @default, @null, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @bcast]})
r2 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge_slave_1\x00'})
r3 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netrom_SIOCADDRT(r3, 0x890b, &(0x7f0000000180)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x47b, 'syz1\x00', @null, 0xfffffffd, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]})

program did not crash
testing program (duration=45.434449767s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000))
r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_netrom_SIOCDELRT(r1, 0x890c, &(0x7f0000000680)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x89, 'syz1\x00', @null, 0x2, 0x8, [@null, @default, @null, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @bcast]})
r2 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge_slave_1\x00'})
r3 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
r4 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
ioctl$sock_netdev_private(r4, 0x8914, &(0x7f0000000000))
ioctl$sock_netrom_SIOCADDRT(r3, 0x890b, &(0x7f0000000180)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x47b, 'syz1\x00', @null, 0xfffffffd, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]})

program did not crash
testing program (duration=45.434449767s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000))
r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_netrom_SIOCDELRT(r1, 0x890c, &(0x7f0000000680)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x89, 'syz1\x00', @null, 0x2, 0x8, [@null, @default, @null, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @bcast]})
r2 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge_slave_1\x00'})
r3 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(0xffffffffffffffff, 0x8914, &(0x7f0000000000))
ioctl$sock_netrom_SIOCADDRT(r3, 0x890b, &(0x7f0000000180)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x47b, 'syz1\x00', @null, 0xfffffffd, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]})

program did not crash
testing program (duration=45.434449767s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000))
r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_netrom_SIOCDELRT(r1, 0x890c, &(0x7f0000000680)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x89, 'syz1\x00', @null, 0x2, 0x8, [@null, @default, @null, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @bcast]})
r2 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge_slave_1\x00'})
r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r3, 0x8914, &(0x7f0000000000))
ioctl$sock_netrom_SIOCADDRT(0xffffffffffffffff, 0x890b, &(0x7f0000000180)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x47b, 'syz1\x00', @null, 0xfffffffd, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]})

program did not crash
testing program (duration=45.434449767s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000))
r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_netrom_SIOCDELRT(r1, 0x890c, &(0x7f0000000680)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x89, 'syz1\x00', @null, 0x2, 0x8, [@null, @default, @null, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @bcast]})
socket$inet_udp(0x2, 0x2, 0x0)
r2 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r3, 0x8914, &(0x7f0000000000))
ioctl$sock_netrom_SIOCADDRT(r2, 0x890b, &(0x7f0000000180)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x47b, 'syz1\x00', @null, 0xfffffffd, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]})

program did not crash
testing program (duration=45.434449767s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000))
r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_netrom_SIOCDELRT(r1, 0x890c, &(0x7f0000000680)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x89, 'syz1\x00', @null, 0x2, 0x8, [@null, @default, @null, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @bcast]})
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'bridge_slave_1\x00'})
r2 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r3, 0x8914, &(0x7f0000000000))
ioctl$sock_netrom_SIOCADDRT(r2, 0x890b, &(0x7f0000000180)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x47b, 'syz1\x00', @null, 0xfffffffd, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]})

program did not crash
testing program (duration=45.434449767s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000))
syz_init_net_socket$netrom(0x6, 0x5, 0x0)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'bridge_slave_1\x00'})
r2 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r3, 0x8914, &(0x7f0000000000))
ioctl$sock_netrom_SIOCADDRT(r2, 0x890b, &(0x7f0000000180)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x47b, 'syz1\x00', @null, 0xfffffffd, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]})

program did not crash
testing program (duration=45.434449767s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000))
ioctl$sock_netrom_SIOCDELRT(0xffffffffffffffff, 0x890c, &(0x7f0000000680)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x89, 'syz1\x00', @null, 0x2, 0x8, [@null, @default, @null, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @bcast]})
r1 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'bridge_slave_1\x00'})
r2 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r3, 0x8914, &(0x7f0000000000))
ioctl$sock_netrom_SIOCADDRT(r2, 0x890b, &(0x7f0000000180)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x47b, 'syz1\x00', @null, 0xfffffffd, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]})

program did not crash
testing program (duration=45.434449767s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
r0 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_netrom_SIOCDELRT(r0, 0x890c, &(0x7f0000000680)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x89, 'syz1\x00', @null, 0x2, 0x8, [@null, @default, @null, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @bcast]})
r1 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'bridge_slave_1\x00'})
r2 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r3, 0x8914, &(0x7f0000000000))
ioctl$sock_netrom_SIOCADDRT(r2, 0x890b, &(0x7f0000000180)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x47b, 'syz1\x00', @null, 0xfffffffd, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]})

program did not crash
testing program (duration=45.434449767s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000))
r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_netrom_SIOCDELRT(r1, 0x890c, &(0x7f0000000680)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x89, 'syz1\x00', @null, 0x2, 0x8, [@null, @default, @null, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @bcast]})
r2 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge_slave_1\x00'})
r3 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
r4 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r4, 0x8914, &(0x7f0000000000))
ioctl$sock_netrom_SIOCADDRT(r3, 0x890b, &(0x7f0000000180)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x47b, 'syz1\x00', @null, 0xfffffffd, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]})

program did not crash
testing program (duration=45.434449767s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(0xffffffffffffffff, 0x8914, &(0x7f0000000000))
r0 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_netrom_SIOCDELRT(r0, 0x890c, &(0x7f0000000680)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x89, 'syz1\x00', @null, 0x2, 0x8, [@null, @default, @null, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @bcast]})
r1 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'bridge_slave_1\x00'})
r2 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r3, 0x8914, &(0x7f0000000000))
ioctl$sock_netrom_SIOCADDRT(r2, 0x890b, &(0x7f0000000180)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x47b, 'syz1\x00', @null, 0xfffffffd, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]})

program did not crash
testing program (duration=45.434449767s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, 0x0, 0x0)
ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000))
r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_netrom_SIOCDELRT(r1, 0x890c, &(0x7f0000000680)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x89, 'syz1\x00', @null, 0x2, 0x8, [@null, @default, @null, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @bcast]})
r2 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge_slave_1\x00'})
r3 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
r4 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r4, 0x8914, &(0x7f0000000000))
ioctl$sock_netrom_SIOCADDRT(r3, 0x890b, &(0x7f0000000180)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x47b, 'syz1\x00', @null, 0xfffffffd, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]})

program did not crash
testing program (duration=45.434449767s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r0, 0x8914, 0x0)
r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_netrom_SIOCDELRT(r1, 0x890c, &(0x7f0000000680)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x89, 'syz1\x00', @null, 0x2, 0x8, [@null, @default, @null, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @bcast]})
r2 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge_slave_1\x00'})
r3 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
r4 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r4, 0x8914, &(0x7f0000000000))
ioctl$sock_netrom_SIOCADDRT(r3, 0x890b, &(0x7f0000000180)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x47b, 'syz1\x00', @null, 0xfffffffd, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]})

program did not crash
testing program (duration=45.434449767s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000))
r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_netrom_SIOCDELRT(r1, 0x890c, 0x0)
r2 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge_slave_1\x00'})
r3 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
r4 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r4, 0x8914, &(0x7f0000000000))
ioctl$sock_netrom_SIOCADDRT(r3, 0x890b, &(0x7f0000000180)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x47b, 'syz1\x00', @null, 0xfffffffd, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]})

program did not crash
testing program (duration=45.434449767s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000))
r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_netrom_SIOCDELRT(r1, 0x890c, &(0x7f0000000680)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x89, 'syz1\x00', @null, 0x2, 0x8, [@null, @default, @null, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @bcast]})
r2 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, 0x0)
r3 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
r4 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r4, 0x8914, &(0x7f0000000000))
ioctl$sock_netrom_SIOCADDRT(r3, 0x890b, &(0x7f0000000180)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x47b, 'syz1\x00', @null, 0xfffffffd, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]})

program did not crash
testing program (duration=45.434449767s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000))
r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_netrom_SIOCDELRT(r1, 0x890c, &(0x7f0000000680)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x89, 'syz1\x00', @null, 0x2, 0x8, [@null, @default, @null, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @bcast]})
r2 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge_slave_1\x00'})
r3 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
r4 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, 0x0, 0x0)
ioctl$sock_netdev_private(r4, 0x8914, &(0x7f0000000000))
ioctl$sock_netrom_SIOCADDRT(r3, 0x890b, &(0x7f0000000180)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x47b, 'syz1\x00', @null, 0xfffffffd, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]})

program did not crash
testing program (duration=45.434449767s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000))
r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_netrom_SIOCDELRT(r1, 0x890c, &(0x7f0000000680)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x89, 'syz1\x00', @null, 0x2, 0x8, [@null, @default, @null, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @bcast]})
r2 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge_slave_1\x00'})
r3 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
r4 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r4, 0x8914, 0x0)
ioctl$sock_netrom_SIOCADDRT(r3, 0x890b, &(0x7f0000000180)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x47b, 'syz1\x00', @null, 0xfffffffd, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]})

program did not crash
testing program (duration=45.434449767s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000))
r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_netrom_SIOCDELRT(r1, 0x890c, &(0x7f0000000680)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x89, 'syz1\x00', @null, 0x2, 0x8, [@null, @default, @null, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @bcast]})
r2 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge_slave_1\x00'})
r3 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
r4 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r4, 0x8914, &(0x7f0000000000))
ioctl$sock_netrom_SIOCADDRT(r3, 0x890b, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=45.434449767s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
program crashed: possible deadlock in nr_del_node
simplifying C reproducer
testing compiled C program (duration=45.434449767s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
program crashed: possible deadlock in nr_del_node
testing compiled C program (duration=45.434449767s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
program did not crash
testing compiled C program (duration=45.434449767s, {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}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
program did not crash
testing compiled C program (duration=45.434449767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
program did not crash
testing compiled C program (duration=45.434449767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
program did not crash
testing compiled C program (duration=45.434449767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
program did not crash
testing compiled C program (duration=45.434449767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
program crashed: possible deadlock in nr_del_node
testing compiled C program (duration=45.434449767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
program crashed: possible deadlock in nr_del_node
testing compiled C program (duration=45.434449767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
program crashed: possible deadlock in nr_del_node
testing compiled C program (duration=45.434449767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
program crashed: possible deadlock in nr_del_node
testing compiled C program (duration=45.434449767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
program crashed: possible deadlock in nr_del_node
testing compiled C program (duration=45.434449767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
program crashed: possible deadlock in nr_del_node
testing compiled C program (duration=45.434449767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
program crashed: possible deadlock in nr_del_node
testing compiled C program (duration=45.434449767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
program did not crash
testing compiled C program (duration=45.434449767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
program crashed: possible deadlock in nr_del_node
testing compiled C program (duration=45.434449767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
program crashed: possible deadlock in nr_del_node
testing compiled C program (duration=45.434449767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
program crashed: possible deadlock in nr_del_node
testing program (duration=45.434449767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000))
r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_netrom_SIOCDELRT(r1, 0x890c, &(0x7f0000000680)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x89, 'syz1\x00', @null, 0x2, 0x8, [@null, @default, @null, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @bcast]})
r2 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge_slave_1\x00'})
r3 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
r4 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r4, 0x8914, &(0x7f0000000000))
ioctl$sock_netrom_SIOCADDRT(r3, 0x890b, &(0x7f0000000180)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x47b, 'syz1\x00', @null, 0xfffffffd, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]})

program crashed: possible deadlock in nr_del_node
validation run: crashed=true
testing program (duration=45.434449767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000))
r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_netrom_SIOCDELRT(r1, 0x890c, &(0x7f0000000680)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x89, 'syz1\x00', @null, 0x2, 0x8, [@null, @default, @null, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @bcast]})
r2 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge_slave_1\x00'})
r3 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
r4 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r4, 0x8914, &(0x7f0000000000))
ioctl$sock_netrom_SIOCADDRT(r3, 0x890b, &(0x7f0000000180)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x47b, 'syz1\x00', @null, 0xfffffffd, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]})

program crashed: possible deadlock in nr_del_node
validation run: crashed=true
testing program (duration=45.434449767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$netrom-ioctl$sock_netrom_SIOCDELRT-socket$inet_udp-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$netrom-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-ioctl$sock_netrom_SIOCADDRT
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000))
r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_netrom_SIOCDELRT(r1, 0x890c, &(0x7f0000000680)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x89, 'syz1\x00', @null, 0x2, 0x8, [@null, @default, @null, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @bcast]})
r2 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge_slave_1\x00'})
r3 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
r4 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d)
ioctl$sock_netdev_private(r4, 0x8914, &(0x7f0000000000))
ioctl$sock_netrom_SIOCADDRT(r3, 0x890b, &(0x7f0000000180)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0, 0x47b, 'syz1\x00', @null, 0xfffffffd, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]})

program crashed: possible deadlock in nr_del_node
validation run: crashed=true
reproducing took 57m17.19797089s
repro crashed as (corrupted=false):
======================================================
WARNING: possible circular locking dependency detected
6.16.0-rc6-next-20250718-syzkaller #0 Not tainted
------------------------------------------------------
syz.3.100/6202 is trying to acquire lock:
ffffffff8fa91778 (nr_neigh_list_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]
ffffffff8fa91778 (nr_neigh_list_lock){+...}-{3:3}, at: nr_remove_neigh net/netrom/nr_route.c:307 [inline]
ffffffff8fa91778 (nr_neigh_list_lock){+...}-{3:3}, at: nr_del_node+0x517/0x8d0 net/netrom/nr_route.c:342

but task is already holding lock:
ffff888031b40d70 (&nr_node->node_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]
ffff888031b40d70 (&nr_node->node_lock){+...}-{3:3}, at: nr_node_lock include/net/netrom.h:152 [inline]
ffff888031b40d70 (&nr_node->node_lock){+...}-{3:3}, at: nr_del_node+0x152/0x8d0 net/netrom/nr_route.c:335

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #2 (&nr_node->node_lock){+...}-{3:3}:
       lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
       __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
       _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:178
       spin_lock_bh include/linux/spinlock.h:356 [inline]
       nr_node_lock include/net/netrom.h:152 [inline]
       nr_rt_device_down+0x12a/0x720 net/netrom/nr_route.c:519
       nr_device_event+0x137/0x150 net/netrom/af_netrom.c:126
       notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85
       call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
       call_netdevice_notifiers net/core/dev.c:2281 [inline]
       __dev_notify_flags+0x18d/0x2e0 net/core/dev.c:-1
       netif_change_flags+0xe8/0x1a0 net/core/dev.c:9589
       dev_change_flags+0x130/0x260 net/core/dev_api.c:68
       dev_ioctl+0x7b4/0x1150 net/core/dev_ioctl.c:823
       sock_do_ioctl+0x22c/0x300 net/socket.c:1252
       sock_ioctl+0x576/0x790 net/socket.c:1359
       vfs_ioctl fs/ioctl.c:51 [inline]
       __do_sys_ioctl fs/ioctl.c:598 [inline]
       __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:584
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #1 (nr_node_list_lock){+...}-{3:3}:
       lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
       __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
       _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:178
       spin_lock_bh include/linux/spinlock.h:356 [inline]
       nr_rt_device_down+0xa9/0x720 net/netrom/nr_route.c:517
       nr_device_event+0x137/0x150 net/netrom/af_netrom.c:126
       notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85
       call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
       call_netdevice_notifiers net/core/dev.c:2281 [inline]
       __dev_notify_flags+0x18d/0x2e0 net/core/dev.c:-1
       netif_change_flags+0xe8/0x1a0 net/core/dev.c:9589
       dev_change_flags+0x130/0x260 net/core/dev_api.c:68
       dev_ioctl+0x7b4/0x1150 net/core/dev_ioctl.c:823
       sock_do_ioctl+0x22c/0x300 net/socket.c:1252
       sock_ioctl+0x576/0x790 net/socket.c:1359
       vfs_ioctl fs/ioctl.c:51 [inline]
       __do_sys_ioctl fs/ioctl.c:598 [inline]
       __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:584
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #0 (nr_neigh_list_lock){+...}-{3:3}:
       check_prev_add kernel/locking/lockdep.c:3168 [inline]
       check_prevs_add kernel/locking/lockdep.c:3287 [inline]
       validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3911
       __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5240
       lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
       __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
       _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:178
       spin_lock_bh include/linux/spinlock.h:356 [inline]
       nr_remove_neigh net/netrom/nr_route.c:307 [inline]
       nr_del_node+0x517/0x8d0 net/netrom/nr_route.c:342
       nr_rt_ioctl+0x989/0xd50 net/netrom/nr_route.c:678
       sock_do_ioctl+0xdc/0x300 net/socket.c:1238
       sock_ioctl+0x576/0x790 net/socket.c:1359
       vfs_ioctl fs/ioctl.c:51 [inline]
       __do_sys_ioctl fs/ioctl.c:598 [inline]
       __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:584
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

other info that might help us debug this:

Chain exists of:
  nr_neigh_list_lock --> nr_node_list_lock --> &nr_node->node_lock

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&nr_node->node_lock);
                               lock(nr_node_list_lock);
                               lock(&nr_node->node_lock);
  lock(nr_neigh_list_lock);

 *** DEADLOCK ***

2 locks held by syz.3.100/6202:
 #0: ffffffff8fa917d8 (nr_node_list_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]
 #0: ffffffff8fa917d8 (nr_node_list_lock){+...}-{3:3}, at: nr_del_node+0xfc/0x8d0 net/netrom/nr_route.c:334
 #1: ffff888031b40d70 (&nr_node->node_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]
 #1: ffff888031b40d70 (&nr_node->node_lock){+...}-{3:3}, at: nr_node_lock include/net/netrom.h:152 [inline]
 #1: ffff888031b40d70 (&nr_node->node_lock){+...}-{3:3}, at: nr_del_node+0x152/0x8d0 net/netrom/nr_route.c:335

stack backtrace:
CPU: 1 UID: 0 PID: 6202 Comm: syz.3.100 Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 print_circular_bug+0x2ee/0x310 kernel/locking/lockdep.c:2046
 check_noncircular+0x134/0x160 kernel/locking/lockdep.c:2178
 check_prev_add kernel/locking/lockdep.c:3168 [inline]
 check_prevs_add kernel/locking/lockdep.c:3287 [inline]
 validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3911
 __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5240
 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
 _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:178
 spin_lock_bh include/linux/spinlock.h:356 [inline]
 nr_remove_neigh net/netrom/nr_route.c:307 [inline]
 nr_del_node+0x517/0x8d0 net/netrom/nr_route.c:342
 nr_rt_ioctl+0x989/0xd50 net/netrom/nr_route.c:678
 sock_do_ioctl+0xdc/0x300 net/socket.c:1238
 sock_ioctl+0x576/0x790 net/socket.c:1359
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f83a3f8e9a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe5092c8e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f83a41b5fa0 RCX: 00007f83a3f8e9a9
RDX: 0000200000000680 RSI: 000000000000890c RDI: 0000000000000005
RBP: 00007f83a4010d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f83a41b5fa0 R14: 00007f83a41b5fa0 R15: 0000000000000003
 </TASK>

final repro crashed as (corrupted=false):
======================================================
WARNING: possible circular locking dependency detected
6.16.0-rc6-next-20250718-syzkaller #0 Not tainted
------------------------------------------------------
syz.3.100/6202 is trying to acquire lock:
ffffffff8fa91778 (nr_neigh_list_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]
ffffffff8fa91778 (nr_neigh_list_lock){+...}-{3:3}, at: nr_remove_neigh net/netrom/nr_route.c:307 [inline]
ffffffff8fa91778 (nr_neigh_list_lock){+...}-{3:3}, at: nr_del_node+0x517/0x8d0 net/netrom/nr_route.c:342

but task is already holding lock:
ffff888031b40d70 (&nr_node->node_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]
ffff888031b40d70 (&nr_node->node_lock){+...}-{3:3}, at: nr_node_lock include/net/netrom.h:152 [inline]
ffff888031b40d70 (&nr_node->node_lock){+...}-{3:3}, at: nr_del_node+0x152/0x8d0 net/netrom/nr_route.c:335

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #2 (&nr_node->node_lock){+...}-{3:3}:
       lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
       __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
       _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:178
       spin_lock_bh include/linux/spinlock.h:356 [inline]
       nr_node_lock include/net/netrom.h:152 [inline]
       nr_rt_device_down+0x12a/0x720 net/netrom/nr_route.c:519
       nr_device_event+0x137/0x150 net/netrom/af_netrom.c:126
       notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85
       call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
       call_netdevice_notifiers net/core/dev.c:2281 [inline]
       __dev_notify_flags+0x18d/0x2e0 net/core/dev.c:-1
       netif_change_flags+0xe8/0x1a0 net/core/dev.c:9589
       dev_change_flags+0x130/0x260 net/core/dev_api.c:68
       dev_ioctl+0x7b4/0x1150 net/core/dev_ioctl.c:823
       sock_do_ioctl+0x22c/0x300 net/socket.c:1252
       sock_ioctl+0x576/0x790 net/socket.c:1359
       vfs_ioctl fs/ioctl.c:51 [inline]
       __do_sys_ioctl fs/ioctl.c:598 [inline]
       __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:584
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #1 (nr_node_list_lock){+...}-{3:3}:
       lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
       __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
       _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:178
       spin_lock_bh include/linux/spinlock.h:356 [inline]
       nr_rt_device_down+0xa9/0x720 net/netrom/nr_route.c:517
       nr_device_event+0x137/0x150 net/netrom/af_netrom.c:126
       notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85
       call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
       call_netdevice_notifiers net/core/dev.c:2281 [inline]
       __dev_notify_flags+0x18d/0x2e0 net/core/dev.c:-1
       netif_change_flags+0xe8/0x1a0 net/core/dev.c:9589
       dev_change_flags+0x130/0x260 net/core/dev_api.c:68
       dev_ioctl+0x7b4/0x1150 net/core/dev_ioctl.c:823
       sock_do_ioctl+0x22c/0x300 net/socket.c:1252
       sock_ioctl+0x576/0x790 net/socket.c:1359
       vfs_ioctl fs/ioctl.c:51 [inline]
       __do_sys_ioctl fs/ioctl.c:598 [inline]
       __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:584
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #0 (nr_neigh_list_lock){+...}-{3:3}:
       check_prev_add kernel/locking/lockdep.c:3168 [inline]
       check_prevs_add kernel/locking/lockdep.c:3287 [inline]
       validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3911
       __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5240
       lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
       __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
       _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:178
       spin_lock_bh include/linux/spinlock.h:356 [inline]
       nr_remove_neigh net/netrom/nr_route.c:307 [inline]
       nr_del_node+0x517/0x8d0 net/netrom/nr_route.c:342
       nr_rt_ioctl+0x989/0xd50 net/netrom/nr_route.c:678
       sock_do_ioctl+0xdc/0x300 net/socket.c:1238
       sock_ioctl+0x576/0x790 net/socket.c:1359
       vfs_ioctl fs/ioctl.c:51 [inline]
       __do_sys_ioctl fs/ioctl.c:598 [inline]
       __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:584
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

other info that might help us debug this:

Chain exists of:
  nr_neigh_list_lock --> nr_node_list_lock --> &nr_node->node_lock

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&nr_node->node_lock);
                               lock(nr_node_list_lock);
                               lock(&nr_node->node_lock);
  lock(nr_neigh_list_lock);

 *** DEADLOCK ***

2 locks held by syz.3.100/6202:
 #0: ffffffff8fa917d8 (nr_node_list_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]
 #0: ffffffff8fa917d8 (nr_node_list_lock){+...}-{3:3}, at: nr_del_node+0xfc/0x8d0 net/netrom/nr_route.c:334
 #1: ffff888031b40d70 (&nr_node->node_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]
 #1: ffff888031b40d70 (&nr_node->node_lock){+...}-{3:3}, at: nr_node_lock include/net/netrom.h:152 [inline]
 #1: ffff888031b40d70 (&nr_node->node_lock){+...}-{3:3}, at: nr_del_node+0x152/0x8d0 net/netrom/nr_route.c:335

stack backtrace:
CPU: 1 UID: 0 PID: 6202 Comm: syz.3.100 Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 print_circular_bug+0x2ee/0x310 kernel/locking/lockdep.c:2046
 check_noncircular+0x134/0x160 kernel/locking/lockdep.c:2178
 check_prev_add kernel/locking/lockdep.c:3168 [inline]
 check_prevs_add kernel/locking/lockdep.c:3287 [inline]
 validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3911
 __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5240
 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
 _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:178
 spin_lock_bh include/linux/spinlock.h:356 [inline]
 nr_remove_neigh net/netrom/nr_route.c:307 [inline]
 nr_del_node+0x517/0x8d0 net/netrom/nr_route.c:342
 nr_rt_ioctl+0x989/0xd50 net/netrom/nr_route.c:678
 sock_do_ioctl+0xdc/0x300 net/socket.c:1238
 sock_ioctl+0x576/0x790 net/socket.c:1359
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f83a3f8e9a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe5092c8e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f83a41b5fa0 RCX: 00007f83a3f8e9a9
RDX: 0000200000000680 RSI: 000000000000890c RDI: 0000000000000005
RBP: 00007f83a4010d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f83a41b5fa0 R14: 00007f83a41b5fa0 R15: 0000000000000003
 </TASK>