Extracting prog: 54.107107792s
Minimizing prog: 21m35.835614478s
Simplifying prog options: 0s
Extracting C: 40.11952934s
Simplifying C: 5m27.611855831s


extracting reproducer from 42 programs
testing a last program of every proc
single: executing 11 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-sendto$packet-ioctl$sock_SIOCGIFINDEX-sendmsg$ETHTOOL_MSG_FEATURES_SET-socket$nl_generic-bpf$PROG_LOAD-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_SET_WIPHY-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_REGISTER_BEACONS-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-setsockopt$packet_int-sendto$packet-syz_ublk_setup_io_uring-setsockopt$MRT6_FLUSH-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-sendmsg$nl_generic-capset-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
r2 = bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', <r3=>0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r4 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r4, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00', <r5=>0x0})
sendto$packet(r4, &(0x7f0000001200)="8a199f5dc587c2695aafd97f40016dcd96791413c70587ef6242b03ee4f70cf21c0b49afbbe25d9ea87280efeae60cc6f5dc520349381d87", 0x38, 0x24000001, &(0x7f0000001300)={0x11, 0x5, r5, 0x1, 0x9, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00', <r6=>0x0})
sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x74, 0x0, 0x300, 0x70bd2c, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004840}, 0x20000000)
r7 = socket$nl_generic(0x10, 0x3, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xd, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111b300000000008510000002000000850000000000000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops, 0xffffffffffffffff, 0x6}, 0x70)
r8 = socket$nl_generic(0x10, 0x3, 0x10)
r9 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NL80211_CMD_SET_WIPHY(r8, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r9, 0x1, 0x70bd27, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000040)
ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000280)={'wlan0\x00', <r10=>0x0})
sendmsg$NL80211_CMD_REGISTER_BEACONS(r7, &(0x7f0000000500)={&(0x7f0000000240), 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x28, r9, 0x300, 0x70bd2d, 0x25dfdbfb, {{}, {@void, @val={0x8, 0x3, r10}, @val={0xc, 0x99, {0xb, 0x67}}}}, ["", "", "", ""]}, 0x28}, 0x1, 0x0, 0x0, 0x40000}, 0x4000000)
r11 = socket(0x10, 0x3, 0x0)
r12 = socket$packet(0x11, 0x3, 0x300)
ioctl$sock_SIOCGIFINDEX(r12, 0x8933, &(0x7f00000000c0)={'veth1_to_hsr\x00', <r13=>0x0})
setsockopt$packet_int(r12, 0x107, 0xf, &(0x7f0000000040)=0xf3f, 0xa)
sendto$packet(r12, &(0x7f0000000180)="3f031c000300140006001e0089e9aaa911d7c2290f0086dd1327c9167c64114a1b6800000cc9", 0x26, 0x24000094, &(0x7f0000000540)={0xc9, 0x0, r13, 0x1, 0x0, 0x6, @multicast}, 0x14)
r14 = syz_ublk_setup_io_uring(0x753a, &(0x7f0000000400)={0x0, 0xabde, 0x1000, 0x2, 0xba}, &(0x7f00000002c0), &(0x7f0000000300), &(0x7f00000003c0))
setsockopt$MRT6_FLUSH(r11, 0x29, 0xd4, &(0x7f0000000580)=0xe, 0x4)
io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r14, 0x12, 0x0, 0x0)
sendmsg$nl_generic(r11, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)={0x14, 0x3a, 0x4, 0x70bd27, 0x25dfdbff, {0x84}}, 0x14}}, 0x24008884)
capset(&(0x7f0000000000)={0x20071026}, &(0x7f0000000080)={0x2, 0x6, 0xc0f, 0x83, 0xffffffff})
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000000c0)={0x8, 0xf, &(0x7f0000000340)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x4000, 0x0, 0x0, 0x0, 0xfffffffd}, {{0x18, 0x1, 0x1, 0x0, r2}, {}, {0x7, 0x0, 0xb, 0x3, 0x0, 0x0, 0x20000000}}, {}, [], {{}, {}, {0x85, 0x0, 0x0, 0x95}}}, &(0x7f0000000200)='syzkaller\x00', 0x2, 0x100b, &(0x7f0000001e40)=""/4107, 0x40f00}, 0x94)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
single: successfully extracted reproducer
found reproducer with 30 syscalls
minimizing guilty program
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-sendto$packet-ioctl$sock_SIOCGIFINDEX-sendmsg$ETHTOOL_MSG_FEATURES_SET-socket$nl_generic-bpf$PROG_LOAD-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_SET_WIPHY-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_REGISTER_BEACONS-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-setsockopt$packet_int-sendto$packet-syz_ublk_setup_io_uring-setsockopt$MRT6_FLUSH-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-sendmsg$nl_generic-capset
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', <r2=>0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r3, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00', <r4=>0x0})
sendto$packet(r3, &(0x7f0000001200)="8a199f5dc587c2695aafd97f40016dcd96791413c70587ef6242b03ee4f70cf21c0b49afbbe25d9ea87280efeae60cc6f5dc520349381d87", 0x38, 0x24000001, &(0x7f0000001300)={0x11, 0x5, r4, 0x1, 0x9, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00', <r5=>0x0})
sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x74, 0x0, 0x300, 0x70bd2c, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004840}, 0x20000000)
r6 = socket$nl_generic(0x10, 0x3, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xd, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111b300000000008510000002000000850000000000000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops, 0xffffffffffffffff, 0x6}, 0x70)
r7 = socket$nl_generic(0x10, 0x3, 0x10)
r8 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NL80211_CMD_SET_WIPHY(r7, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r8, 0x1, 0x70bd27, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000040)
ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000280)={'wlan0\x00', <r9=>0x0})
sendmsg$NL80211_CMD_REGISTER_BEACONS(r6, &(0x7f0000000500)={&(0x7f0000000240), 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x28, r8, 0x300, 0x70bd2d, 0x25dfdbfb, {{}, {@void, @val={0x8, 0x3, r9}, @val={0xc, 0x99, {0xb, 0x67}}}}, ["", "", "", ""]}, 0x28}, 0x1, 0x0, 0x0, 0x40000}, 0x4000000)
r10 = socket(0x10, 0x3, 0x0)
r11 = socket$packet(0x11, 0x3, 0x300)
ioctl$sock_SIOCGIFINDEX(r11, 0x8933, &(0x7f00000000c0)={'veth1_to_hsr\x00', <r12=>0x0})
setsockopt$packet_int(r11, 0x107, 0xf, &(0x7f0000000040)=0xf3f, 0xa)
sendto$packet(r11, &(0x7f0000000180)="3f031c000300140006001e0089e9aaa911d7c2290f0086dd1327c9167c64114a1b6800000cc9", 0x26, 0x24000094, &(0x7f0000000540)={0xc9, 0x0, r12, 0x1, 0x0, 0x6, @multicast}, 0x14)
r13 = syz_ublk_setup_io_uring(0x753a, &(0x7f0000000400)={0x0, 0xabde, 0x1000, 0x2, 0xba}, &(0x7f00000002c0), &(0x7f0000000300), &(0x7f00000003c0))
setsockopt$MRT6_FLUSH(r10, 0x29, 0xd4, &(0x7f0000000580)=0xe, 0x4)
io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r13, 0x12, 0x0, 0x0)
sendmsg$nl_generic(r10, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)={0x14, 0x3a, 0x4, 0x70bd27, 0x25dfdbff, {0x84}}, 0x14}}, 0x24008884)
capset(&(0x7f0000000000)={0x20071026}, &(0x7f0000000080)={0x2, 0x6, 0xc0f, 0x83, 0xffffffff})

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-sendto$packet-ioctl$sock_SIOCGIFINDEX-sendmsg$ETHTOOL_MSG_FEATURES_SET-socket$nl_generic-bpf$PROG_LOAD-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_SET_WIPHY-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_REGISTER_BEACONS-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-setsockopt$packet_int-sendto$packet-syz_ublk_setup_io_uring-setsockopt$MRT6_FLUSH-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-sendmsg$nl_generic
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', <r2=>0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r3, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00', <r4=>0x0})
sendto$packet(r3, &(0x7f0000001200)="8a199f5dc587c2695aafd97f40016dcd96791413c70587ef6242b03ee4f70cf21c0b49afbbe25d9ea87280efeae60cc6f5dc520349381d87", 0x38, 0x24000001, &(0x7f0000001300)={0x11, 0x5, r4, 0x1, 0x9, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00', <r5=>0x0})
sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x74, 0x0, 0x300, 0x70bd2c, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004840}, 0x20000000)
r6 = socket$nl_generic(0x10, 0x3, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xd, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111b300000000008510000002000000850000000000000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops, 0xffffffffffffffff, 0x6}, 0x70)
r7 = socket$nl_generic(0x10, 0x3, 0x10)
r8 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NL80211_CMD_SET_WIPHY(r7, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r8, 0x1, 0x70bd27, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000040)
ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000280)={'wlan0\x00', <r9=>0x0})
sendmsg$NL80211_CMD_REGISTER_BEACONS(r6, &(0x7f0000000500)={&(0x7f0000000240), 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x28, r8, 0x300, 0x70bd2d, 0x25dfdbfb, {{}, {@void, @val={0x8, 0x3, r9}, @val={0xc, 0x99, {0xb, 0x67}}}}, ["", "", "", ""]}, 0x28}, 0x1, 0x0, 0x0, 0x40000}, 0x4000000)
r10 = socket(0x10, 0x3, 0x0)
r11 = socket$packet(0x11, 0x3, 0x300)
ioctl$sock_SIOCGIFINDEX(r11, 0x8933, &(0x7f00000000c0)={'veth1_to_hsr\x00', <r12=>0x0})
setsockopt$packet_int(r11, 0x107, 0xf, &(0x7f0000000040)=0xf3f, 0xa)
sendto$packet(r11, &(0x7f0000000180)="3f031c000300140006001e0089e9aaa911d7c2290f0086dd1327c9167c64114a1b6800000cc9", 0x26, 0x24000094, &(0x7f0000000540)={0xc9, 0x0, r12, 0x1, 0x0, 0x6, @multicast}, 0x14)
r13 = syz_ublk_setup_io_uring(0x753a, &(0x7f0000000400)={0x0, 0xabde, 0x1000, 0x2, 0xba}, &(0x7f00000002c0), &(0x7f0000000300), &(0x7f00000003c0))
setsockopt$MRT6_FLUSH(r10, 0x29, 0xd4, &(0x7f0000000580)=0xe, 0x4)
io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r13, 0x12, 0x0, 0x0)
sendmsg$nl_generic(r10, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)={0x14, 0x3a, 0x4, 0x70bd27, 0x25dfdbff, {0x84}}, 0x14}}, 0x24008884)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-sendto$packet-ioctl$sock_SIOCGIFINDEX-sendmsg$ETHTOOL_MSG_FEATURES_SET-socket$nl_generic-bpf$PROG_LOAD-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_SET_WIPHY-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_REGISTER_BEACONS-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-setsockopt$packet_int-sendto$packet-syz_ublk_setup_io_uring-setsockopt$MRT6_FLUSH-io_uring_register$IORING_UNREGISTER_IOWQ_AFF
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', <r2=>0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r3, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00', <r4=>0x0})
sendto$packet(r3, &(0x7f0000001200)="8a199f5dc587c2695aafd97f40016dcd96791413c70587ef6242b03ee4f70cf21c0b49afbbe25d9ea87280efeae60cc6f5dc520349381d87", 0x38, 0x24000001, &(0x7f0000001300)={0x11, 0x5, r4, 0x1, 0x9, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00', <r5=>0x0})
sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x74, 0x0, 0x300, 0x70bd2c, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004840}, 0x20000000)
r6 = socket$nl_generic(0x10, 0x3, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xd, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111b300000000008510000002000000850000000000000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops, 0xffffffffffffffff, 0x6}, 0x70)
r7 = socket$nl_generic(0x10, 0x3, 0x10)
r8 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NL80211_CMD_SET_WIPHY(r7, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r8, 0x1, 0x70bd27, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000040)
ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000280)={'wlan0\x00', <r9=>0x0})
sendmsg$NL80211_CMD_REGISTER_BEACONS(r6, &(0x7f0000000500)={&(0x7f0000000240), 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x28, r8, 0x300, 0x70bd2d, 0x25dfdbfb, {{}, {@void, @val={0x8, 0x3, r9}, @val={0xc, 0x99, {0xb, 0x67}}}}, ["", "", "", ""]}, 0x28}, 0x1, 0x0, 0x0, 0x40000}, 0x4000000)
r10 = socket(0x10, 0x3, 0x0)
r11 = socket$packet(0x11, 0x3, 0x300)
ioctl$sock_SIOCGIFINDEX(r11, 0x8933, &(0x7f00000000c0)={'veth1_to_hsr\x00', <r12=>0x0})
setsockopt$packet_int(r11, 0x107, 0xf, &(0x7f0000000040)=0xf3f, 0xa)
sendto$packet(r11, &(0x7f0000000180)="3f031c000300140006001e0089e9aaa911d7c2290f0086dd1327c9167c64114a1b6800000cc9", 0x26, 0x24000094, &(0x7f0000000540)={0xc9, 0x0, r12, 0x1, 0x0, 0x6, @multicast}, 0x14)
r13 = syz_ublk_setup_io_uring(0x753a, &(0x7f0000000400)={0x0, 0xabde, 0x1000, 0x2, 0xba}, &(0x7f00000002c0), &(0x7f0000000300), &(0x7f00000003c0))
setsockopt$MRT6_FLUSH(r10, 0x29, 0xd4, &(0x7f0000000580)=0xe, 0x4)
io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r13, 0x12, 0x0, 0x0)

program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-sendto$packet-ioctl$sock_SIOCGIFINDEX-sendmsg$ETHTOOL_MSG_FEATURES_SET-socket$nl_generic-bpf$PROG_LOAD-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_SET_WIPHY-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_REGISTER_BEACONS-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-setsockopt$packet_int-sendto$packet-syz_ublk_setup_io_uring-setsockopt$MRT6_FLUSH
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', <r2=>0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r3, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00', <r4=>0x0})
sendto$packet(r3, &(0x7f0000001200)="8a199f5dc587c2695aafd97f40016dcd96791413c70587ef6242b03ee4f70cf21c0b49afbbe25d9ea87280efeae60cc6f5dc520349381d87", 0x38, 0x24000001, &(0x7f0000001300)={0x11, 0x5, r4, 0x1, 0x9, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00', <r5=>0x0})
sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x74, 0x0, 0x300, 0x70bd2c, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004840}, 0x20000000)
r6 = socket$nl_generic(0x10, 0x3, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xd, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111b300000000008510000002000000850000000000000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops, 0xffffffffffffffff, 0x6}, 0x70)
r7 = socket$nl_generic(0x10, 0x3, 0x10)
r8 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NL80211_CMD_SET_WIPHY(r7, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r8, 0x1, 0x70bd27, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000040)
ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000280)={'wlan0\x00', <r9=>0x0})
sendmsg$NL80211_CMD_REGISTER_BEACONS(r6, &(0x7f0000000500)={&(0x7f0000000240), 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x28, r8, 0x300, 0x70bd2d, 0x25dfdbfb, {{}, {@void, @val={0x8, 0x3, r9}, @val={0xc, 0x99, {0xb, 0x67}}}}, ["", "", "", ""]}, 0x28}, 0x1, 0x0, 0x0, 0x40000}, 0x4000000)
r10 = socket(0x10, 0x3, 0x0)
r11 = socket$packet(0x11, 0x3, 0x300)
ioctl$sock_SIOCGIFINDEX(r11, 0x8933, &(0x7f00000000c0)={'veth1_to_hsr\x00', <r12=>0x0})
setsockopt$packet_int(r11, 0x107, 0xf, &(0x7f0000000040)=0xf3f, 0xa)
sendto$packet(r11, &(0x7f0000000180)="3f031c000300140006001e0089e9aaa911d7c2290f0086dd1327c9167c64114a1b6800000cc9", 0x26, 0x24000094, &(0x7f0000000540)={0xc9, 0x0, r12, 0x1, 0x0, 0x6, @multicast}, 0x14)
syz_ublk_setup_io_uring(0x753a, &(0x7f0000000400)={0x0, 0xabde, 0x1000, 0x2, 0xba}, &(0x7f00000002c0), &(0x7f0000000300), &(0x7f00000003c0))
setsockopt$MRT6_FLUSH(r10, 0x29, 0xd4, &(0x7f0000000580)=0xe, 0x4)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-sendto$packet-ioctl$sock_SIOCGIFINDEX-sendmsg$ETHTOOL_MSG_FEATURES_SET-socket$nl_generic-bpf$PROG_LOAD-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_SET_WIPHY-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_REGISTER_BEACONS-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-setsockopt$packet_int-sendto$packet-syz_ublk_setup_io_uring
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', <r2=>0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r3, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00', <r4=>0x0})
sendto$packet(r3, &(0x7f0000001200)="8a199f5dc587c2695aafd97f40016dcd96791413c70587ef6242b03ee4f70cf21c0b49afbbe25d9ea87280efeae60cc6f5dc520349381d87", 0x38, 0x24000001, &(0x7f0000001300)={0x11, 0x5, r4, 0x1, 0x9, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00', <r5=>0x0})
sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x74, 0x0, 0x300, 0x70bd2c, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004840}, 0x20000000)
r6 = socket$nl_generic(0x10, 0x3, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xd, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111b300000000008510000002000000850000000000000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops, 0xffffffffffffffff, 0x6}, 0x70)
r7 = socket$nl_generic(0x10, 0x3, 0x10)
r8 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NL80211_CMD_SET_WIPHY(r7, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r8, 0x1, 0x70bd27, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000040)
ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000280)={'wlan0\x00', <r9=>0x0})
sendmsg$NL80211_CMD_REGISTER_BEACONS(r6, &(0x7f0000000500)={&(0x7f0000000240), 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x28, r8, 0x300, 0x70bd2d, 0x25dfdbfb, {{}, {@void, @val={0x8, 0x3, r9}, @val={0xc, 0x99, {0xb, 0x67}}}}, ["", "", "", ""]}, 0x28}, 0x1, 0x0, 0x0, 0x40000}, 0x4000000)
socket(0x10, 0x3, 0x0)
r10 = socket$packet(0x11, 0x3, 0x300)
ioctl$sock_SIOCGIFINDEX(r10, 0x8933, &(0x7f00000000c0)={'veth1_to_hsr\x00', <r11=>0x0})
setsockopt$packet_int(r10, 0x107, 0xf, &(0x7f0000000040)=0xf3f, 0xa)
sendto$packet(r10, &(0x7f0000000180)="3f031c000300140006001e0089e9aaa911d7c2290f0086dd1327c9167c64114a1b6800000cc9", 0x26, 0x24000094, &(0x7f0000000540)={0xc9, 0x0, r11, 0x1, 0x0, 0x6, @multicast}, 0x14)
syz_ublk_setup_io_uring(0x753a, &(0x7f0000000400)={0x0, 0xabde, 0x1000, 0x2, 0xba}, &(0x7f00000002c0), &(0x7f0000000300), &(0x7f00000003c0))

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-sendto$packet-ioctl$sock_SIOCGIFINDEX-sendmsg$ETHTOOL_MSG_FEATURES_SET-socket$nl_generic-bpf$PROG_LOAD-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_SET_WIPHY-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_REGISTER_BEACONS-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-setsockopt$packet_int-sendto$packet
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', <r2=>0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r3, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00', <r4=>0x0})
sendto$packet(r3, &(0x7f0000001200)="8a199f5dc587c2695aafd97f40016dcd96791413c70587ef6242b03ee4f70cf21c0b49afbbe25d9ea87280efeae60cc6f5dc520349381d87", 0x38, 0x24000001, &(0x7f0000001300)={0x11, 0x5, r4, 0x1, 0x9, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00', <r5=>0x0})
sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x74, 0x0, 0x300, 0x70bd2c, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004840}, 0x20000000)
r6 = socket$nl_generic(0x10, 0x3, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xd, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111b300000000008510000002000000850000000000000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops, 0xffffffffffffffff, 0x6}, 0x70)
r7 = socket$nl_generic(0x10, 0x3, 0x10)
r8 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NL80211_CMD_SET_WIPHY(r7, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r8, 0x1, 0x70bd27, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000040)
ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000280)={'wlan0\x00', <r9=>0x0})
sendmsg$NL80211_CMD_REGISTER_BEACONS(r6, &(0x7f0000000500)={&(0x7f0000000240), 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x28, r8, 0x300, 0x70bd2d, 0x25dfdbfb, {{}, {@void, @val={0x8, 0x3, r9}, @val={0xc, 0x99, {0xb, 0x67}}}}, ["", "", "", ""]}, 0x28}, 0x1, 0x0, 0x0, 0x40000}, 0x4000000)
socket(0x10, 0x3, 0x0)
r10 = socket$packet(0x11, 0x3, 0x300)
ioctl$sock_SIOCGIFINDEX(r10, 0x8933, &(0x7f00000000c0)={'veth1_to_hsr\x00', <r11=>0x0})
setsockopt$packet_int(r10, 0x107, 0xf, &(0x7f0000000040)=0xf3f, 0xa)
sendto$packet(r10, &(0x7f0000000180)="3f031c000300140006001e0089e9aaa911d7c2290f0086dd1327c9167c64114a1b6800000cc9", 0x26, 0x24000094, &(0x7f0000000540)={0xc9, 0x0, r11, 0x1, 0x0, 0x6, @multicast}, 0x14)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-sendto$packet-ioctl$sock_SIOCGIFINDEX-sendmsg$ETHTOOL_MSG_FEATURES_SET-socket$nl_generic-bpf$PROG_LOAD-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_SET_WIPHY-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_REGISTER_BEACONS-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-setsockopt$packet_int
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', <r2=>0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r3, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00', <r4=>0x0})
sendto$packet(r3, &(0x7f0000001200)="8a199f5dc587c2695aafd97f40016dcd96791413c70587ef6242b03ee4f70cf21c0b49afbbe25d9ea87280efeae60cc6f5dc520349381d87", 0x38, 0x24000001, &(0x7f0000001300)={0x11, 0x5, r4, 0x1, 0x9, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00', <r5=>0x0})
sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x74, 0x0, 0x300, 0x70bd2c, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004840}, 0x20000000)
r6 = socket$nl_generic(0x10, 0x3, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xd, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111b300000000008510000002000000850000000000000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops, 0xffffffffffffffff, 0x6}, 0x70)
r7 = socket$nl_generic(0x10, 0x3, 0x10)
r8 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NL80211_CMD_SET_WIPHY(r7, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r8, 0x1, 0x70bd27, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000040)
ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000280)={'wlan0\x00', <r9=>0x0})
sendmsg$NL80211_CMD_REGISTER_BEACONS(r6, &(0x7f0000000500)={&(0x7f0000000240), 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x28, r8, 0x300, 0x70bd2d, 0x25dfdbfb, {{}, {@void, @val={0x8, 0x3, r9}, @val={0xc, 0x99, {0xb, 0x67}}}}, ["", "", "", ""]}, 0x28}, 0x1, 0x0, 0x0, 0x40000}, 0x4000000)
socket(0x10, 0x3, 0x0)
r10 = socket$packet(0x11, 0x3, 0x300)
ioctl$sock_SIOCGIFINDEX(r10, 0x8933, &(0x7f00000000c0)={'veth1_to_hsr\x00'})
setsockopt$packet_int(r10, 0x107, 0xf, &(0x7f0000000040)=0xf3f, 0xa)

program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-sendto$packet-ioctl$sock_SIOCGIFINDEX-sendmsg$ETHTOOL_MSG_FEATURES_SET-socket$nl_generic-bpf$PROG_LOAD-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_SET_WIPHY-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_REGISTER_BEACONS-socket-socket$packet-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', <r2=>0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r3, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00', <r4=>0x0})
sendto$packet(r3, &(0x7f0000001200)="8a199f5dc587c2695aafd97f40016dcd96791413c70587ef6242b03ee4f70cf21c0b49afbbe25d9ea87280efeae60cc6f5dc520349381d87", 0x38, 0x24000001, &(0x7f0000001300)={0x11, 0x5, r4, 0x1, 0x9, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00', <r5=>0x0})
sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x74, 0x0, 0x300, 0x70bd2c, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004840}, 0x20000000)
r6 = socket$nl_generic(0x10, 0x3, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xd, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111b300000000008510000002000000850000000000000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops, 0xffffffffffffffff, 0x6}, 0x70)
r7 = socket$nl_generic(0x10, 0x3, 0x10)
r8 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NL80211_CMD_SET_WIPHY(r7, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r8, 0x1, 0x70bd27, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000040)
ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000280)={'wlan0\x00', <r9=>0x0})
sendmsg$NL80211_CMD_REGISTER_BEACONS(r6, &(0x7f0000000500)={&(0x7f0000000240), 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x28, r8, 0x300, 0x70bd2d, 0x25dfdbfb, {{}, {@void, @val={0x8, 0x3, r9}, @val={0xc, 0x99, {0xb, 0x67}}}}, ["", "", "", ""]}, 0x28}, 0x1, 0x0, 0x0, 0x40000}, 0x4000000)
socket(0x10, 0x3, 0x0)
r10 = socket$packet(0x11, 0x3, 0x300)
ioctl$sock_SIOCGIFINDEX(r10, 0x8933, &(0x7f00000000c0)={'veth1_to_hsr\x00'})

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-sendto$packet-ioctl$sock_SIOCGIFINDEX-sendmsg$ETHTOOL_MSG_FEATURES_SET-socket$nl_generic-bpf$PROG_LOAD-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_SET_WIPHY-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_REGISTER_BEACONS-socket-socket$packet
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', <r2=>0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r3, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00', <r4=>0x0})
sendto$packet(r3, &(0x7f0000001200)="8a199f5dc587c2695aafd97f40016dcd96791413c70587ef6242b03ee4f70cf21c0b49afbbe25d9ea87280efeae60cc6f5dc520349381d87", 0x38, 0x24000001, &(0x7f0000001300)={0x11, 0x5, r4, 0x1, 0x9, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00', <r5=>0x0})
sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x74, 0x0, 0x300, 0x70bd2c, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004840}, 0x20000000)
r6 = socket$nl_generic(0x10, 0x3, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xd, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111b300000000008510000002000000850000000000000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops, 0xffffffffffffffff, 0x6}, 0x70)
r7 = socket$nl_generic(0x10, 0x3, 0x10)
r8 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NL80211_CMD_SET_WIPHY(r7, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r8, 0x1, 0x70bd27, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000040)
ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000280)={'wlan0\x00', <r9=>0x0})
sendmsg$NL80211_CMD_REGISTER_BEACONS(r6, &(0x7f0000000500)={&(0x7f0000000240), 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x28, r8, 0x300, 0x70bd2d, 0x25dfdbfb, {{}, {@void, @val={0x8, 0x3, r9}, @val={0xc, 0x99, {0xb, 0x67}}}}, ["", "", "", ""]}, 0x28}, 0x1, 0x0, 0x0, 0x40000}, 0x4000000)
socket(0x10, 0x3, 0x0)
socket$packet(0x11, 0x3, 0x300)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-sendto$packet-ioctl$sock_SIOCGIFINDEX-sendmsg$ETHTOOL_MSG_FEATURES_SET-socket$nl_generic-bpf$PROG_LOAD-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_SET_WIPHY-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_REGISTER_BEACONS-socket
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', <r2=>0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r3, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00', <r4=>0x0})
sendto$packet(r3, &(0x7f0000001200)="8a199f5dc587c2695aafd97f40016dcd96791413c70587ef6242b03ee4f70cf21c0b49afbbe25d9ea87280efeae60cc6f5dc520349381d87", 0x38, 0x24000001, &(0x7f0000001300)={0x11, 0x5, r4, 0x1, 0x9, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00', <r5=>0x0})
sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x74, 0x0, 0x300, 0x70bd2c, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004840}, 0x20000000)
r6 = socket$nl_generic(0x10, 0x3, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xd, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111b300000000008510000002000000850000000000000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops, 0xffffffffffffffff, 0x6}, 0x70)
r7 = socket$nl_generic(0x10, 0x3, 0x10)
r8 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NL80211_CMD_SET_WIPHY(r7, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r8, 0x1, 0x70bd27, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000040)
ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000280)={'wlan0\x00', <r9=>0x0})
sendmsg$NL80211_CMD_REGISTER_BEACONS(r6, &(0x7f0000000500)={&(0x7f0000000240), 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x28, r8, 0x300, 0x70bd2d, 0x25dfdbfb, {{}, {@void, @val={0x8, 0x3, r9}, @val={0xc, 0x99, {0xb, 0x67}}}}, ["", "", "", ""]}, 0x28}, 0x1, 0x0, 0x0, 0x40000}, 0x4000000)
socket(0x10, 0x3, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-sendto$packet-ioctl$sock_SIOCGIFINDEX-sendmsg$ETHTOOL_MSG_FEATURES_SET-socket$nl_generic-bpf$PROG_LOAD-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_SET_WIPHY-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_REGISTER_BEACONS
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', <r2=>0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r3, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00', <r4=>0x0})
sendto$packet(r3, &(0x7f0000001200)="8a199f5dc587c2695aafd97f40016dcd96791413c70587ef6242b03ee4f70cf21c0b49afbbe25d9ea87280efeae60cc6f5dc520349381d87", 0x38, 0x24000001, &(0x7f0000001300)={0x11, 0x5, r4, 0x1, 0x9, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00', <r5=>0x0})
sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x74, 0x0, 0x300, 0x70bd2c, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004840}, 0x20000000)
r6 = socket$nl_generic(0x10, 0x3, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xd, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111b300000000008510000002000000850000000000000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops, 0xffffffffffffffff, 0x6}, 0x70)
r7 = socket$nl_generic(0x10, 0x3, 0x10)
r8 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NL80211_CMD_SET_WIPHY(r7, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r8, 0x1, 0x70bd27, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000040)
ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000280)={'wlan0\x00', <r9=>0x0})
sendmsg$NL80211_CMD_REGISTER_BEACONS(r6, &(0x7f0000000500)={&(0x7f0000000240), 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x28, r8, 0x300, 0x70bd2d, 0x25dfdbfb, {{}, {@void, @val={0x8, 0x3, r9}, @val={0xc, 0x99, {0xb, 0x67}}}}, ["", "", "", ""]}, 0x28}, 0x1, 0x0, 0x0, 0x40000}, 0x4000000)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-sendto$packet-ioctl$sock_SIOCGIFINDEX-sendmsg$ETHTOOL_MSG_FEATURES_SET-socket$nl_generic-bpf$PROG_LOAD-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_SET_WIPHY-ioctl$sock_SIOCGIFINDEX_80211
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', <r2=>0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r3, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00', <r4=>0x0})
sendto$packet(r3, &(0x7f0000001200)="8a199f5dc587c2695aafd97f40016dcd96791413c70587ef6242b03ee4f70cf21c0b49afbbe25d9ea87280efeae60cc6f5dc520349381d87", 0x38, 0x24000001, &(0x7f0000001300)={0x11, 0x5, r4, 0x1, 0x9, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00', <r5=>0x0})
sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x74, 0x0, 0x300, 0x70bd2c, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004840}, 0x20000000)
socket$nl_generic(0x10, 0x3, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xd, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111b300000000008510000002000000850000000000000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops, 0xffffffffffffffff, 0x6}, 0x70)
r6 = socket$nl_generic(0x10, 0x3, 0x10)
r7 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NL80211_CMD_SET_WIPHY(r6, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r7, 0x1, 0x70bd27, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000040)
ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000280)={'wlan0\x00'})

program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-sendto$packet-ioctl$sock_SIOCGIFINDEX-sendmsg$ETHTOOL_MSG_FEATURES_SET-socket$nl_generic-bpf$PROG_LOAD-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_SET_WIPHY
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', <r2=>0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r3, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00', <r4=>0x0})
sendto$packet(r3, &(0x7f0000001200)="8a199f5dc587c2695aafd97f40016dcd96791413c70587ef6242b03ee4f70cf21c0b49afbbe25d9ea87280efeae60cc6f5dc520349381d87", 0x38, 0x24000001, &(0x7f0000001300)={0x11, 0x5, r4, 0x1, 0x9, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00', <r5=>0x0})
sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x74, 0x0, 0x300, 0x70bd2c, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004840}, 0x20000000)
socket$nl_generic(0x10, 0x3, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xd, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111b300000000008510000002000000850000000000000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops, 0xffffffffffffffff, 0x6}, 0x70)
r6 = socket$nl_generic(0x10, 0x3, 0x10)
r7 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NL80211_CMD_SET_WIPHY(r6, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r7, 0x1, 0x70bd27, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000040)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-sendto$packet-ioctl$sock_SIOCGIFINDEX-sendmsg$ETHTOOL_MSG_FEATURES_SET-socket$nl_generic-bpf$PROG_LOAD-socket$nl_generic-syz_genetlink_get_family_id$nl80211
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', <r2=>0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r3, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00', <r4=>0x0})
sendto$packet(r3, &(0x7f0000001200)="8a199f5dc587c2695aafd97f40016dcd96791413c70587ef6242b03ee4f70cf21c0b49afbbe25d9ea87280efeae60cc6f5dc520349381d87", 0x38, 0x24000001, &(0x7f0000001300)={0x11, 0x5, r4, 0x1, 0x9, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00', <r5=>0x0})
sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x74, 0x0, 0x300, 0x70bd2c, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004840}, 0x20000000)
socket$nl_generic(0x10, 0x3, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xd, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111b300000000008510000002000000850000000000000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops, 0xffffffffffffffff, 0x6}, 0x70)
socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-sendto$packet-ioctl$sock_SIOCGIFINDEX-sendmsg$ETHTOOL_MSG_FEATURES_SET-socket$nl_generic-bpf$PROG_LOAD-socket$nl_generic
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', <r2=>0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r3, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00', <r4=>0x0})
sendto$packet(r3, &(0x7f0000001200)="8a199f5dc587c2695aafd97f40016dcd96791413c70587ef6242b03ee4f70cf21c0b49afbbe25d9ea87280efeae60cc6f5dc520349381d87", 0x38, 0x24000001, &(0x7f0000001300)={0x11, 0x5, r4, 0x1, 0x9, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00', <r5=>0x0})
sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x74, 0x0, 0x300, 0x70bd2c, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004840}, 0x20000000)
socket$nl_generic(0x10, 0x3, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xd, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111b300000000008510000002000000850000000000000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops, 0xffffffffffffffff, 0x6}, 0x70)
socket$nl_generic(0x10, 0x3, 0x10)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-sendto$packet-ioctl$sock_SIOCGIFINDEX-sendmsg$ETHTOOL_MSG_FEATURES_SET-socket$nl_generic-bpf$PROG_LOAD
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', <r2=>0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r3, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00', <r4=>0x0})
sendto$packet(r3, &(0x7f0000001200)="8a199f5dc587c2695aafd97f40016dcd96791413c70587ef6242b03ee4f70cf21c0b49afbbe25d9ea87280efeae60cc6f5dc520349381d87", 0x38, 0x24000001, &(0x7f0000001300)={0x11, 0x5, r4, 0x1, 0x9, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00', <r5=>0x0})
sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x74, 0x0, 0x300, 0x70bd2c, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004840}, 0x20000000)
socket$nl_generic(0x10, 0x3, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xd, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111b300000000008510000002000000850000000000000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops, 0xffffffffffffffff, 0x6}, 0x70)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-sendto$packet-ioctl$sock_SIOCGIFINDEX-sendmsg$ETHTOOL_MSG_FEATURES_SET-socket$nl_generic
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', <r2=>0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r3, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00', <r4=>0x0})
sendto$packet(r3, &(0x7f0000001200)="8a199f5dc587c2695aafd97f40016dcd96791413c70587ef6242b03ee4f70cf21c0b49afbbe25d9ea87280efeae60cc6f5dc520349381d87", 0x38, 0x24000001, &(0x7f0000001300)={0x11, 0x5, r4, 0x1, 0x9, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00', <r5=>0x0})
sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x74, 0x0, 0x300, 0x70bd2c, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004840}, 0x20000000)
socket$nl_generic(0x10, 0x3, 0x10)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-sendto$packet-ioctl$sock_SIOCGIFINDEX-sendmsg$ETHTOOL_MSG_FEATURES_SET
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', <r2=>0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r3, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00', <r4=>0x0})
sendto$packet(r3, &(0x7f0000001200)="8a199f5dc587c2695aafd97f40016dcd96791413c70587ef6242b03ee4f70cf21c0b49afbbe25d9ea87280efeae60cc6f5dc520349381d87", 0x38, 0x24000001, &(0x7f0000001300)={0x11, 0x5, r4, 0x1, 0x9, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00', <r5=>0x0})
sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x74, 0x0, 0x300, 0x70bd2c, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004840}, 0x20000000)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-sendto$packet-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', 0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r2 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r2, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00', <r3=>0x0})
sendto$packet(r2, &(0x7f0000001200)="8a199f5dc587c2695aafd97f40016dcd96791413c70587ef6242b03ee4f70cf21c0b49afbbe25d9ea87280efeae60cc6f5dc520349381d87", 0x38, 0x24000001, &(0x7f0000001300)={0x11, 0x5, r3, 0x1, 0x9, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00'})

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-sendto$packet
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', 0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r2 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r2, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00', <r3=>0x0})
sendto$packet(r2, &(0x7f0000001200)="8a199f5dc587c2695aafd97f40016dcd96791413c70587ef6242b03ee4f70cf21c0b49afbbe25d9ea87280efeae60cc6f5dc520349381d87", 0x38, 0x24000001, &(0x7f0000001300)={0x11, 0x5, r3, 0x1, 0x9, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14)

program did not crash
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', 0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r2 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r2, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000080)={'veth1_vlan\x00'})
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00'})

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-setsockopt$packet_int-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', 0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
r2 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_int(r2, 0x107, 0x14, &(0x7f0000001440)=0x5, 0x4)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00'})

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-socket$packet-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', 0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
socket$packet(0x11, 0x3, 0x300)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00'})

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f00000006c0)={'ip6tnl0\x00', &(0x7f0000000640)={'syztnl0\x00', 0x0, 0x4, 0xc, 0x52, 0x3, 0x20, @remote, @mcast2, 0x40, 0x7800, 0x5, 0x4}})
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00'})

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-sendmsg$nl_route_sched-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000000c0)=@newqdisc={0x40, 0x24, 0x4ee4e6a52ff56541, 0x70bd27, 0x4000000, {0x0, 0x0, 0x0, 0x0, {0x0, 0x60}, {0xffff, 0xffff}, {0x0, 0x7}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x14, 0x2, [@TCA_FQ_RATE_ENABLE={0x8, 0x5, 0x4000}, @TCA_FQ_LOW_RATE_THRESHOLD={0x8}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000040}, 0x854)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00'})

program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bpf$MAP_CREATE-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000180)=ANY=[@ANYBLOB="1b00000000000000000000000020000000000000", @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRESOCT=r0, @ANYBLOB="00000000000000000000023000000000000100"/28], 0x48)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00'})

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00'})

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00'})

program did not crash
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-connect$pppl2tp-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00'})

program did not crash
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_udp-connect$pppl2tp-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(0xffffffffffffffff, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r0, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000700)={'geneve1\x00'})

program did not crash
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'geneve1\x00'})

program did not crash
testing program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, 0x0)

program crashed: KASAN: use-after-free Write in rcu_segcblist_enqueue
extracting C reproducer
testing compiled C program (duration=34.538135176s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$sock_SIOCGIFINDEX
program crashed: KASAN: use-after-free Write in pppol2tp_release
simplifying C reproducer
testing compiled C program (duration=34.538135176s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$sock_SIOCGIFINDEX
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=34.538135176s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$sock_SIOCGIFINDEX
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=34.538135176s, {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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$sock_SIOCGIFINDEX
program did not crash
testing compiled C program (duration=34.538135176s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$sock_SIOCGIFINDEX
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=34.538135176s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$sock_SIOCGIFINDEX
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=34.538135176s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$sock_SIOCGIFINDEX
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=34.538135176s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$sock_SIOCGIFINDEX
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=34.538135176s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$sock_SIOCGIFINDEX
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=34.538135176s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$sock_SIOCGIFINDEX
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=34.538135176s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$sock_SIOCGIFINDEX
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=34.538135176s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$sock_SIOCGIFINDEX
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=34.538135176s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$sock_SIOCGIFINDEX
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=34.538135176s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
validation run: crashed=true
testing program (duration=34.538135176s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
validation run: crashed=true
testing program (duration=34.538135176s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
validation run: crashed=true
reproducing took 30m11.182574741s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in instrument_atomic_read_write include/linux/instrumented.h:102 [inline]
BUG: KASAN: use-after-free in atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1779 [inline]
BUG: KASAN: use-after-free in __mutex_trylock_fast kernel/locking/mutex.c:176 [inline]
BUG: KASAN: use-after-free in mutex_lock+0x86/0x1b0 kernel/locking/mutex.c:295
Write of size 8 at addr ffff888112775150 by task syz.2.17/375

CPU: 0 PID: 375 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x71/0x200 mm/kasan/report.c:316
 print_report+0x4a/0x60 mm/kasan/report.c:420
 kasan_report+0x122/0x150 mm/kasan/report.c:524
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189
 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37
 instrument_atomic_read_write include/linux/instrumented.h:102 [inline]
 atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1779 [inline]
 __mutex_trylock_fast kernel/locking/mutex.c:176 [inline]
 mutex_lock+0x86/0x1b0 kernel/locking/mutex.c:295
 pppol2tp_release+0x178/0x2b0 net/l2tp/l2tp_ppp.c:441
 __sock_release net/socket.c:652 [inline]
 sock_close+0xc9/0x220 net/socket.c:1389
 __fput+0x1fd/0x8f0 fs/file_table.c:320
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f592a59ce59
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:00007ffdd9f2aae8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffdd9f2abd0 RCX: 00007f592a59ce59
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000007471 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b33220000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f592a815fac R14: 00007f592a815fa8 R15: 00007f592a815fa0
 </TASK>

Allocated by task 375:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
 ____kasan_kmalloc mm/kasan/common.c:380 [inline]
 __kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389
 kasan_kmalloc include/linux/kasan.h:212 [inline]
 __do_kmalloc_node mm/slab_common.c:938 [inline]
 __kmalloc+0xb4/0x1e0 mm/slab_common.c:951
 kmalloc include/linux/slab.h:568 [inline]
 kzalloc include/linux/slab.h:699 [inline]
 l2tp_session_create+0x38/0xbd0 net/l2tp/l2tp_core.c:1609
 pppol2tp_connect+0xbf5/0x1640 net/l2tp/l2tp_ppp.c:771
 __sys_connect_file net/socket.c:2000 [inline]
 __sys_connect+0x3da/0x460 net/socket.c:2017
 __do_sys_connect net/socket.c:2027 [inline]
 __se_sys_connect net/socket.c:2024 [inline]
 __x64_sys_connect+0x7a/0x90 net/socket.c:2024
 x64_sys_call+0x88d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:43
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Freed by task 375:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:516
 ____kasan_slab_free+0x132/0x180 mm/kasan/common.c:242
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:250
 kasan_slab_free include/linux/kasan.h:178 [inline]
 slab_free_hook mm/slub.c:1750 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1776
 slab_free mm/slub.c:3712 [inline]
 __kmem_cache_free+0xb7/0x1b0 mm/slub.c:3728
 kfree+0x6f/0xf0 mm/slab_common.c:990
 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline]
 l2tp_session_put+0xaf/0x1a0 net/l2tp/l2tp_core.c:193
 l2tp_session_delete+0x3df/0x4d0 net/l2tp/l2tp_core.c:1582
 pppol2tp_release+0x169/0x2b0 net/l2tp/l2tp_ppp.c:438
 __sock_release net/socket.c:652 [inline]
 sock_close+0xc9/0x220 net/socket.c:1389
 __fput+0x1fd/0x8f0 fs/file_table.c:320
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

The buggy address belongs to the object at ffff888112775000
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 336 bytes inside of
 512-byte region [ffff888112775000, ffff888112775200)

The buggy address belongs to the physical page:
page:ffffea000449dd00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x112774
head:ffffea000449dd00 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 371, tgid 371 (syz-executor), ts 29818111443, free_ts 28664967617
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2672
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2679
 get_page_from_freelist+0x2ca9/0x2d20 mm/page_alloc.c:4586
 __alloc_pages+0x1fa/0x610 mm/page_alloc.c:5930
 alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1
 allocate_slab mm/slub.c:1967 [inline]
 new_slab+0x98/0x3e0 mm/slub.c:2020
 ___slab_alloc+0x70f/0xb70 mm/slub.c:3177
 __slab_alloc+0x5e/0xa0 mm/slub.c:3263
 slab_alloc_node mm/slub.c:3348 [inline]
 __kmem_cache_alloc_node+0x204/0x2d0 mm/slub.c:3423
 __do_kmalloc_node mm/slab_common.c:937 [inline]
 __kmalloc+0xa4/0x1e0 mm/slab_common.c:951
 kmalloc include/linux/slab.h:568 [inline]
 kzalloc include/linux/slab.h:699 [inline]
 fib6_info_alloc+0x34/0xe0 net/ipv6/ip6_fib.c:156
 ip6_route_info_create+0x51b/0x14d0 net/ipv6/route.c:3796
 ip6_route_add+0x27/0x130 net/ipv6/route.c:3892
 addrconf_add_mroute net/ipv6/addrconf.c:2530 [inline]
 addrconf_add_dev+0x388/0x4a0 net/ipv6/addrconf.c:2548
 addrconf_dev_config net/ipv6/addrconf.c:3450 [inline]
 addrconf_init_auto_addrs+0x7b9/0xbc0 net/ipv6/addrconf.c:3538
 addrconf_notify+0x7fe/0xe30 net/ipv6/addrconf.c:3711
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1580 [inline]
 free_pcp_prepare mm/page_alloc.c:1654 [inline]
 free_unref_page_prepare+0x80c/0x820 mm/page_alloc.c:3621
 free_unref_page+0x93/0x530 mm/page_alloc.c:3719
 free_the_page mm/page_alloc.c:863 [inline]
 __free_pages+0x67/0x100 mm/page_alloc.c:6020
 __free_slab+0xc7/0x1a0 mm/slub.c:2044
 free_slab mm/slub.c:2059 [inline]
 discard_slab mm/slub.c:2065 [inline]
 __unfreeze_partials+0x15a/0x190 mm/slub.c:2614
 put_cpu_partial+0xa9/0x100 mm/slub.c:2690
 __slab_free+0x1c4/0x280 mm/slub.c:3589
 do_slab_free mm/slub.c:3666 [inline]
 ___cache_free+0xbf/0xd0 mm/slub.c:3722
 qlink_free mm/kasan/quarantine.c:168 [inline]
 qlist_free_all+0xc6/0x140 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x14a/0x170 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x24/0x80 mm/kasan/common.c:311
 kasan_slab_alloc include/linux/kasan.h:202 [inline]
 slab_post_alloc_hook+0x4f/0x2d0 mm/slab.h:768
 slab_alloc_node mm/slub.c:3382 [inline]
 kmem_cache_alloc_node+0x179/0x330 mm/slub.c:3429
 __alloc_skb+0xe8/0x4a0 net/core/skbuff.c:508
 alloc_skb include/linux/skbuff.h:1322 [inline]
 nlmsg_new include/net/netlink.h:987 [inline]
 netlink_ack+0x373/0x1160 net/netlink/af_netlink.c:2458
 netlink_rcv_skb+0x27e/0x450 net/netlink/af_netlink.c:2527

Memory state around the buggy address:
 ffff888112775000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888112775080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888112775100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                 ^
 ffff888112775180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888112775200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in instrument_atomic_read_write include/linux/instrumented.h:102 [inline]
BUG: KASAN: use-after-free in atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1779 [inline]
BUG: KASAN: use-after-free in __mutex_trylock_fast kernel/locking/mutex.c:176 [inline]
BUG: KASAN: use-after-free in mutex_lock+0x86/0x1b0 kernel/locking/mutex.c:295
Write of size 8 at addr ffff888112775150 by task syz.2.17/375

CPU: 0 PID: 375 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x71/0x200 mm/kasan/report.c:316
 print_report+0x4a/0x60 mm/kasan/report.c:420
 kasan_report+0x122/0x150 mm/kasan/report.c:524
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189
 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37
 instrument_atomic_read_write include/linux/instrumented.h:102 [inline]
 atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1779 [inline]
 __mutex_trylock_fast kernel/locking/mutex.c:176 [inline]
 mutex_lock+0x86/0x1b0 kernel/locking/mutex.c:295
 pppol2tp_release+0x178/0x2b0 net/l2tp/l2tp_ppp.c:441
 __sock_release net/socket.c:652 [inline]
 sock_close+0xc9/0x220 net/socket.c:1389
 __fput+0x1fd/0x8f0 fs/file_table.c:320
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f592a59ce59
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:00007ffdd9f2aae8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffdd9f2abd0 RCX: 00007f592a59ce59
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000007471 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b33220000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f592a815fac R14: 00007f592a815fa8 R15: 00007f592a815fa0
 </TASK>

Allocated by task 375:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
 ____kasan_kmalloc mm/kasan/common.c:380 [inline]
 __kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389
 kasan_kmalloc include/linux/kasan.h:212 [inline]
 __do_kmalloc_node mm/slab_common.c:938 [inline]
 __kmalloc+0xb4/0x1e0 mm/slab_common.c:951
 kmalloc include/linux/slab.h:568 [inline]
 kzalloc include/linux/slab.h:699 [inline]
 l2tp_session_create+0x38/0xbd0 net/l2tp/l2tp_core.c:1609
 pppol2tp_connect+0xbf5/0x1640 net/l2tp/l2tp_ppp.c:771
 __sys_connect_file net/socket.c:2000 [inline]
 __sys_connect+0x3da/0x460 net/socket.c:2017
 __do_sys_connect net/socket.c:2027 [inline]
 __se_sys_connect net/socket.c:2024 [inline]
 __x64_sys_connect+0x7a/0x90 net/socket.c:2024
 x64_sys_call+0x88d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:43
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Freed by task 375:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:516
 ____kasan_slab_free+0x132/0x180 mm/kasan/common.c:242
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:250
 kasan_slab_free include/linux/kasan.h:178 [inline]
 slab_free_hook mm/slub.c:1750 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1776
 slab_free mm/slub.c:3712 [inline]
 __kmem_cache_free+0xb7/0x1b0 mm/slub.c:3728
 kfree+0x6f/0xf0 mm/slab_common.c:990
 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline]
 l2tp_session_put+0xaf/0x1a0 net/l2tp/l2tp_core.c:193
 l2tp_session_delete+0x3df/0x4d0 net/l2tp/l2tp_core.c:1582
 pppol2tp_release+0x169/0x2b0 net/l2tp/l2tp_ppp.c:438
 __sock_release net/socket.c:652 [inline]
 sock_close+0xc9/0x220 net/socket.c:1389
 __fput+0x1fd/0x8f0 fs/file_table.c:320
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

The buggy address belongs to the object at ffff888112775000
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 336 bytes inside of
 512-byte region [ffff888112775000, ffff888112775200)

The buggy address belongs to the physical page:
page:ffffea000449dd00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x112774
head:ffffea000449dd00 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 371, tgid 371 (syz-executor), ts 29818111443, free_ts 28664967617
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2672
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2679
 get_page_from_freelist+0x2ca9/0x2d20 mm/page_alloc.c:4586
 __alloc_pages+0x1fa/0x610 mm/page_alloc.c:5930
 alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1
 allocate_slab mm/slub.c:1967 [inline]
 new_slab+0x98/0x3e0 mm/slub.c:2020
 ___slab_alloc+0x70f/0xb70 mm/slub.c:3177
 __slab_alloc+0x5e/0xa0 mm/slub.c:3263
 slab_alloc_node mm/slub.c:3348 [inline]
 __kmem_cache_alloc_node+0x204/0x2d0 mm/slub.c:3423
 __do_kmalloc_node mm/slab_common.c:937 [inline]
 __kmalloc+0xa4/0x1e0 mm/slab_common.c:951
 kmalloc include/linux/slab.h:568 [inline]
 kzalloc include/linux/slab.h:699 [inline]
 fib6_info_alloc+0x34/0xe0 net/ipv6/ip6_fib.c:156
 ip6_route_info_create+0x51b/0x14d0 net/ipv6/route.c:3796
 ip6_route_add+0x27/0x130 net/ipv6/route.c:3892
 addrconf_add_mroute net/ipv6/addrconf.c:2530 [inline]
 addrconf_add_dev+0x388/0x4a0 net/ipv6/addrconf.c:2548
 addrconf_dev_config net/ipv6/addrconf.c:3450 [inline]
 addrconf_init_auto_addrs+0x7b9/0xbc0 net/ipv6/addrconf.c:3538
 addrconf_notify+0x7fe/0xe30 net/ipv6/addrconf.c:3711
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1580 [inline]
 free_pcp_prepare mm/page_alloc.c:1654 [inline]
 free_unref_page_prepare+0x80c/0x820 mm/page_alloc.c:3621
 free_unref_page+0x93/0x530 mm/page_alloc.c:3719
 free_the_page mm/page_alloc.c:863 [inline]
 __free_pages+0x67/0x100 mm/page_alloc.c:6020
 __free_slab+0xc7/0x1a0 mm/slub.c:2044
 free_slab mm/slub.c:2059 [inline]
 discard_slab mm/slub.c:2065 [inline]
 __unfreeze_partials+0x15a/0x190 mm/slub.c:2614
 put_cpu_partial+0xa9/0x100 mm/slub.c:2690
 __slab_free+0x1c4/0x280 mm/slub.c:3589
 do_slab_free mm/slub.c:3666 [inline]
 ___cache_free+0xbf/0xd0 mm/slub.c:3722
 qlink_free mm/kasan/quarantine.c:168 [inline]
 qlist_free_all+0xc6/0x140 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x14a/0x170 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x24/0x80 mm/kasan/common.c:311
 kasan_slab_alloc include/linux/kasan.h:202 [inline]
 slab_post_alloc_hook+0x4f/0x2d0 mm/slab.h:768
 slab_alloc_node mm/slub.c:3382 [inline]
 kmem_cache_alloc_node+0x179/0x330 mm/slub.c:3429
 __alloc_skb+0xe8/0x4a0 net/core/skbuff.c:508
 alloc_skb include/linux/skbuff.h:1322 [inline]
 nlmsg_new include/net/netlink.h:987 [inline]
 netlink_ack+0x373/0x1160 net/netlink/af_netlink.c:2458
 netlink_rcv_skb+0x27e/0x450 net/netlink/af_netlink.c:2527

Memory state around the buggy address:
 ffff888112775000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888112775080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888112775100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                 ^
 ffff888112775180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888112775200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================