Extracting prog: 1m7.993030115s
Minimizing prog: 29m12.741209729s
Simplifying prog options: 0s
Extracting C: 40.476613564s
Simplifying C: 2m50.840826082s


extracting reproducer from 37 programs
testing a last program of every proc
single: executing 7 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}}): close_range-openat$fuse-syz_mount_image$fuse-syz_mount_image$fuse
detailed listing:
executing program 0:
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000002000), 0x2, 0x0)
syz_mount_image$fuse(&(0x7f0000002040), &(0x7f0000002080)='./file0\x00', 0x0, &(0x7f0000000200)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000040000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id='], 0x3e, 0x0, 0x0)
syz_mount_image$fuse(&(0x7f0000002340), &(0x7f00000000c0)='./file0\x00', 0x0, &(0x7f00000022c0)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0xc000}}, 0x0, 0x0, 0x0)

program did not crash
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU-socket$pppl2tp-socket$inet6_udp-connect$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})
socket$pppl2tp(0x18, 0x1, 0x1) (async)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c) (async)
socket(0x10, 0x3, 0x0) (async)
socket(0x2, 0x2, 0x1) (async)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) (async)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c) (async)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080) (async)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10) (async)
bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) (async)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50) (async)
socket(0x10, 0x3, 0x0) (async)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}}) (async)
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3) (async)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32) (async)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1) (async)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50) (async)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48) (async)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70) (async)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9}) (async)

program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work
single: successfully extracted reproducer
found reproducer with 40 syscalls
minimizing guilty program
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU-socket$pppl2tp-socket$inet6_udp-connect$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})
socket$pppl2tp(0x18, 0x1, 0x1) (async)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c) (async)
socket(0x10, 0x3, 0x0) (async)
socket(0x2, 0x2, 0x1) (async)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) (async)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c) (async)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080) (async)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10) (async)
bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) (async)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50) (async)
socket(0x10, 0x3, 0x0) (async)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}}) (async)
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3) (async)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32) (async)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1) (async)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50) (async)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48) (async)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70) (async)

program crashed: KASAN: use-after-free Write in pppol2tp_release
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU-socket$pppl2tp-socket$inet6_udp-connect$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})
socket$pppl2tp(0x18, 0x1, 0x1) (async)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c) (async)
socket(0x10, 0x3, 0x0) (async)
socket(0x2, 0x2, 0x1) (async)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) (async)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c) (async)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080) (async)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10) (async)
bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) (async)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50) (async)
socket(0x10, 0x3, 0x0) (async)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}}) (async)
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3) (async)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32) (async)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1) (async)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50) (async)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48) (async)

program crashed: KASAN: use-after-free Write in pppol2tp_release
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU-socket$pppl2tp-socket$inet6_udp-connect$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})
socket$pppl2tp(0x18, 0x1, 0x1) (async)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c) (async)
socket(0x10, 0x3, 0x0) (async)
socket(0x2, 0x2, 0x1) (async)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) (async)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c) (async)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080) (async)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10) (async)
bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) (async)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50) (async)
socket(0x10, 0x3, 0x0) (async)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}}) (async)
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3) (async)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32) (async)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1) (async)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50) (async)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU-socket$pppl2tp-socket$inet6_udp-connect$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})
socket$pppl2tp(0x18, 0x1, 0x1) (async)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c) (async)
socket(0x10, 0x3, 0x0) (async)
socket(0x2, 0x2, 0x1) (async)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) (async)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c) (async)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080) (async)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10) (async)
bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) (async)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50) (async)
socket(0x10, 0x3, 0x0) (async)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}}) (async)
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3) (async)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32) (async)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1) (async)

program crashed: KASAN: use-after-free Write in pppol2tp_release
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU-socket$pppl2tp-socket$inet6_udp-connect$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})
socket$pppl2tp(0x18, 0x1, 0x1) (async)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c) (async)
socket(0x10, 0x3, 0x0) (async)
socket(0x2, 0x2, 0x1) (async)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) (async)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c) (async)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080) (async)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10) (async)
bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) (async)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50) (async)
socket(0x10, 0x3, 0x0) (async)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}}) (async)
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3) (async)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32) (async)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU-socket$pppl2tp-socket$inet6_udp-connect$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})
socket$pppl2tp(0x18, 0x1, 0x1) (async)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c) (async)
socket(0x10, 0x3, 0x0) (async)
socket(0x2, 0x2, 0x1) (async)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) (async)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c) (async)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080) (async)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10) (async)
bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) (async)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50) (async)
socket(0x10, 0x3, 0x0) (async)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}}) (async)
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3) (async)

program crashed: KASAN: use-after-free Write in pppol2tp_release
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU-socket$pppl2tp-socket$inet6_udp-connect$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})
socket$pppl2tp(0x18, 0x1, 0x1) (async)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c) (async)
socket(0x10, 0x3, 0x0) (async)
socket(0x2, 0x2, 0x1) (async)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) (async)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c) (async)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080) (async)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10) (async)
bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) (async)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50) (async)
socket(0x10, 0x3, 0x0) (async)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}}) (async)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU-socket$pppl2tp-socket$inet6_udp-connect$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})
socket$pppl2tp(0x18, 0x1, 0x1) (async)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c) (async)
socket(0x10, 0x3, 0x0) (async)
socket(0x2, 0x2, 0x1) (async)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) (async)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c) (async)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080) (async)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10) (async)
bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) (async)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50) (async)
socket(0x10, 0x3, 0x0) (async)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU-socket$pppl2tp-socket$inet6_udp-connect$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})
socket$pppl2tp(0x18, 0x1, 0x1) (async)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c) (async)
socket(0x10, 0x3, 0x0) (async)
socket(0x2, 0x2, 0x1) (async)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) (async)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c) (async)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080) (async)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10) (async)
bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) (async)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50) (async)

program crashed: KASAN: use-after-free Write in pppol2tp_release
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU-socket$pppl2tp-socket$inet6_udp-connect$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})
socket$pppl2tp(0x18, 0x1, 0x1) (async)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c) (async)
socket(0x10, 0x3, 0x0) (async)
socket(0x2, 0x2, 0x1) (async)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) (async)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c) (async)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080) (async)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10) (async)
bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) (async)

program crashed: KASAN: use-after-free Write in pppol2tp_release
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU-socket$pppl2tp-socket$inet6_udp-connect$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})
socket$pppl2tp(0x18, 0x1, 0x1) (async)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c) (async)
socket(0x10, 0x3, 0x0) (async)
socket(0x2, 0x2, 0x1) (async)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) (async)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c) (async)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080) (async)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10) (async)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU-socket$pppl2tp-socket$inet6_udp-connect$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})
socket$pppl2tp(0x18, 0x1, 0x1) (async)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c) (async)
socket(0x10, 0x3, 0x0) (async)
socket(0x2, 0x2, 0x1) (async)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) (async)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c) (async)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080) (async)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU-socket$pppl2tp-socket$inet6_udp-connect$inet6-socket-socket-close_range-bind$inet6
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})
socket$pppl2tp(0x18, 0x1, 0x1) (async)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c) (async)
socket(0x10, 0x3, 0x0) (async)
socket(0x2, 0x2, 0x1) (async)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) (async)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c) (async)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU-socket$pppl2tp-socket$inet6_udp-connect$inet6-socket-socket-close_range
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})
socket$pppl2tp(0x18, 0x1, 0x1) (async)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c) (async)
socket(0x10, 0x3, 0x0) (async)
socket(0x2, 0x2, 0x1) (async)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) (async)

program crashed: KASAN: use-after-free Write in pppol2tp_release
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU-socket$pppl2tp-socket$inet6_udp-connect$inet6-socket-socket
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})
socket$pppl2tp(0x18, 0x1, 0x1) (async)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c) (async)
socket(0x10, 0x3, 0x0) (async)
socket(0x2, 0x2, 0x1) (async)

program crashed: KASAN: use-after-free Write in pppol2tp_release
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU-socket$pppl2tp-socket$inet6_udp-connect$inet6-socket
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})
socket$pppl2tp(0x18, 0x1, 0x1) (async)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c) (async)
socket(0x10, 0x3, 0x0) (async)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU-socket$pppl2tp-socket$inet6_udp-connect$inet6
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})
socket$pppl2tp(0x18, 0x1, 0x1) (async)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c) (async)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU-socket$pppl2tp-socket$inet6_udp
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})
socket$pppl2tp(0x18, 0x1, 0x1) (async)
socket$inet6_udp(0xa, 0x2, 0x0) (async)

program crashed: KASAN: use-after-free Write in pppol2tp_release
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU-socket$pppl2tp
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})
socket$pppl2tp(0x18, 0x1, 0x1) (async)

program crashed: KASAN: use-after-free Write in pppol2tp_release
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})

program crashed: KASAN: use-after-free Write in pppol2tp_release
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_PROG_WITH_BTFID_LOAD
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000400)=@bpf_lsm={0x6, 0x6, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x10001}, [@map_val={0x18, 0x0, 0x2, 0x0, r6}, @ldst={0x3, 0x0, 0x6, 0x0, 0x0, 0xa0}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0xd2, &(0x7f00000002c0)=""/210}, 0x70)

program did not crash
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE_CONST_STR-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="02000000040000000840"], 0x48)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-bpf$MAP_CREATE_CONST_STR-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0}, 0x50)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})

program crashed: KASAN: use-after-free Write in pppol2tp_release
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-writev-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
writev(r0, &(0x7f0000000300)=[{&(0x7f0000001240)='{', 0x1a000}], 0x1)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})

program crashed: KASAN: use-after-free Write in pppol2tp_release
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-connect$pppl2tp-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-write-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
write(r2, &(0x7f0000000080)="2000c0bb3ad9070000000000", 0x3)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})

program did not crash
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-connect$pppl2tp-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
r5 = socket(0x10, 0x3, 0x0)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000480)={'ip6gre0\x00', &(0x7f00000008c0)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @empty, @empty, 0x1, 0x20}})
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})

program crashed: KASAN: use-after-free Write in pppol2tp_release
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-socket-connect$pppl2tp-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
socket(0x10, 0x3, 0x0)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})

program crashed: KASAN: use-after-free Write in pppol2tp_release
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-connect$pppl2tp-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000a40)={r4, 0x27, 0xe40, 0x0, &(0x7f0000000000)="f8ad1dcc02cb29dcc800320086dd", 0x0, 0x4000, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x50)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-bpf$PROG_LOAD-connect$pppl2tp-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0xc, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000610000001801000020646c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000002300000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})

program crashed: KASAN: use-after-free Write in pppol2tp_release
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-setsockopt$netlink_NETLINK_TX_RING-connect$pppl2tp-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
r2 = socket(0x10, 0x3, 0x0)
r3 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0xc, &(0x7f0000000040)={0xffe}, 0x10)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})

program crashed: KASAN: use-after-free Write in pppol2tp_release
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$inet6-socket-socket-close_range-bind$inet6-sendmsg$NFT_BATCH-connect$pppl2tp-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
socket(0x10, 0x3, 0x0)
r2 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r2, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000030000000000000000a44000000060a0b160000000000000000020000083000048018000180080001006f312c74000002800800014000000004140b0001007470726f7879000004000280140000000000000000000a"], 0x6c}, 0x1, 0x0, 0x0, 0x850}, 0x4040080)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
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$inet6-socket-socket-close_range-bind$inet6-connect$pppl2tp-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
socket(0x10, 0x3, 0x0)
r2 = socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bind$inet6(r2, &(0x7f0000000140)={0xa, 0x4e21, 0x7, @loopback, 0x4c2000}, 0x1c)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})

program crashed: KASAN: use-after-free Write in pppol2tp_release
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$inet6-socket-socket-close_range-connect$pppl2tp-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
socket(0x10, 0x3, 0x0)
socket(0x2, 0x2, 0x1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})

program crashed: KASAN: use-after-free Write in pppol2tp_release
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$inet6-socket-socket-connect$pppl2tp-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
socket(0x10, 0x3, 0x0)
socket(0x2, 0x2, 0x1)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})

program crashed: KASAN: use-after-free Write in pppol2tp_release
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$inet6-socket-connect$pppl2tp-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
socket(0x10, 0x3, 0x0)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
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$inet6-connect$pppl2tp-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e23, 0xfffffffd, @mcast2, 0x2}, 0x1c)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
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$pppl2tp-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})

program crashed: KASAN: use-after-free Write in pppol2tp_release
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$pppl2tp-connect$pppl2tp-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})

program did not crash
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$inet6_udp-connect$pppl2tp-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(0xffffffffffffffff, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
ioctl$SIOCSIFMTU(0xffffffffffffffff, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})

program did not crash
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$pppl2tp-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, 0x0, 0x0)
ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x9})

program did not crash
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$pppl2tp-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
ioctl$SIOCSIFMTU(r0, 0x8922, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
extracting C reproducer
testing compiled C 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$pppl2tp-ioctl$SIOCSIFMTU
program crashed: KASAN: use-after-free Write in pppol2tp_release
simplifying C reproducer
testing compiled C program (duration=30s, {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$pppl2tp-ioctl$SIOCSIFMTU
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=30s, {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$pppl2tp-ioctl$SIOCSIFMTU
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=30s, {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$pppl2tp-ioctl$SIOCSIFMTU
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SIOCSIFMTU
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SIOCSIFMTU
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SIOCSIFMTU
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
ioctl$SIOCSIFMTU(r0, 0x8922, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
ioctl$SIOCSIFMTU(r0, 0x8922, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SIOCSIFMTU
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0xffff, @ipv4={'\x00', '\xff\xff', @empty}, 0x3}}}, 0x32)
ioctl$SIOCSIFMTU(r0, 0x8922, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
validation run: crashed=true
reproducing took 35m22.8247435s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
BUG: KASAN: use-after-free in atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1667 [inline]
BUG: KASAN: use-after-free in __mutex_trylock_fast kernel/locking/mutex.c:169 [inline]
BUG: KASAN: use-after-free in mutex_lock+0x8e/0x1c0 kernel/locking/mutex.c:288
Write of size 8 at addr ffff88810fcb5150 by task syz.2.17/373

CPU: 0 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x10f/0x150 mm/kasan/report.c:444
 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:101 [inline]
 atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1667 [inline]
 __mutex_trylock_fast kernel/locking/mutex.c:169 [inline]
 mutex_lock+0x8e/0x1c0 kernel/locking/mutex.c:288
 pppol2tp_release+0x178/0x2b0 net/l2tp/l2tp_ppp.c:442
 __sock_release net/socket.c:649 [inline]
 sock_close+0xb8/0x200 net/socket.c:1336
 __fput+0x22b/0x900 fs/file_table.c:311
 ____fput+0x15/0x20 fs/file_table.c:339
 task_work_run+0x127/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f0ababe7159
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:00007ffdc8975128 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffdc8975210 RCX: 00007f0ababe7159
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000006ef4 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b33020000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0abae6efac R14: 00007f0abae6efa8 R15: 00007f0abae6efa0
 </TASK>

Allocated by task 373:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 ____kasan_kmalloc mm/kasan/common.c:512 [inline]
 __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:521
 kasan_kmalloc include/linux/kasan.h:227 [inline]
 __kmalloc+0x13d/0x2c0 mm/slub.c:4436
 kmalloc include/linux/slab.h:624 [inline]
 kzalloc include/linux/slab.h:750 [inline]
 l2tp_session_create+0x39/0xb60 net/l2tp/l2tp_core.c:1616
 pppol2tp_connect+0xbf5/0x1640 net/l2tp/l2tp_ppp.c:772
 __sys_connect_file net/socket.c:1923 [inline]
 __sys_connect+0x3cb/0x450 net/socket.c:1940
 __do_sys_connect net/socket.c:1950 [inline]
 __se_sys_connect net/socket.c:1947 [inline]
 __x64_sys_connect+0x7a/0x90 net/socket.c:1947
 x64_sys_call+0x7c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:43
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

Freed by task 373:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4a/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1728 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1754
 slab_free mm/slub.c:3526 [inline]
 kfree+0xc4/0x270 mm/slub.c:4588
 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline]
 l2tp_session_put+0xaf/0x1a0 net/l2tp/l2tp_core.c:193
 l2tp_session_delete+0x3a9/0x4a0 net/l2tp/l2tp_core.c:1589
 pppol2tp_release+0x169/0x2b0 net/l2tp/l2tp_ppp.c:439
 __sock_release net/socket.c:649 [inline]
 sock_close+0xb8/0x200 net/socket.c:1336
 __fput+0x22b/0x900 fs/file_table.c:311
 ____fput+0x15/0x20 fs/file_table.c:339
 task_work_run+0x127/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff88810fcb5000
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 336 bytes inside of
 512-byte region [ffff88810fcb5000, ffff88810fcb5200)
The buggy address belongs to the page:
page:ffffea00043f2d00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10fcb4
head:ffffea00043f2d00 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 ffffea00043f2c00 0000000400000004 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 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 102, ts 5602689616, free_ts 0
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2607
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2613
 get_page_from_freelist+0x2c3a/0x2cd0 mm/page_alloc.c:4487
 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5824
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1937 [inline]
 new_slab+0xa0/0x4d0 mm/slub.c:2000
 ___slab_alloc+0x3ac/0x840 mm/slub.c:3033
 __slab_alloc+0x49/0x90 mm/slub.c:3120
 slab_alloc_node mm/slub.c:3211 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 __kmalloc_track_caller+0x169/0x2c0 mm/slub.c:4954
 kmalloc_reserve net/core/skbuff.c:357 [inline]
 __alloc_skb+0x210/0x730 net/core/skbuff.c:428
 alloc_skb include/linux/skbuff.h:1183 [inline]
 alloc_uevent_skb+0x85/0x240 lib/kobject_uevent.c:290
 uevent_net_broadcast_untagged lib/kobject_uevent.c:326 [inline]
 kobject_uevent_net_broadcast+0x335/0x5a0 lib/kobject_uevent.c:409
 kobject_uevent_env+0x52b/0x700 lib/kobject_uevent.c:608
 kobject_synth_uevent+0x457/0x940 lib/kobject_uevent.c:208
 store_uevent+0x16/0x30 kernel/module.c:1172
 module_attr_store+0x5f/0x80 kernel/params.c:905
 sysfs_kf_write+0x129/0x150 fs/sysfs/file.c:143
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88810fcb5000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88810fcb5080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88810fcb5100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                 ^
 ffff88810fcb5180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88810fcb5200: 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:101 [inline]
BUG: KASAN: use-after-free in atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1667 [inline]
BUG: KASAN: use-after-free in __mutex_trylock_fast kernel/locking/mutex.c:169 [inline]
BUG: KASAN: use-after-free in mutex_lock+0x8e/0x1c0 kernel/locking/mutex.c:288
Write of size 8 at addr ffff88810fcb5150 by task syz.2.17/373

CPU: 0 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x10f/0x150 mm/kasan/report.c:444
 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:101 [inline]
 atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1667 [inline]
 __mutex_trylock_fast kernel/locking/mutex.c:169 [inline]
 mutex_lock+0x8e/0x1c0 kernel/locking/mutex.c:288
 pppol2tp_release+0x178/0x2b0 net/l2tp/l2tp_ppp.c:442
 __sock_release net/socket.c:649 [inline]
 sock_close+0xb8/0x200 net/socket.c:1336
 __fput+0x22b/0x900 fs/file_table.c:311
 ____fput+0x15/0x20 fs/file_table.c:339
 task_work_run+0x127/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f0ababe7159
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:00007ffdc8975128 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffdc8975210 RCX: 00007f0ababe7159
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000006ef4 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b33020000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0abae6efac R14: 00007f0abae6efa8 R15: 00007f0abae6efa0
 </TASK>

Allocated by task 373:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 ____kasan_kmalloc mm/kasan/common.c:512 [inline]
 __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:521
 kasan_kmalloc include/linux/kasan.h:227 [inline]
 __kmalloc+0x13d/0x2c0 mm/slub.c:4436
 kmalloc include/linux/slab.h:624 [inline]
 kzalloc include/linux/slab.h:750 [inline]
 l2tp_session_create+0x39/0xb60 net/l2tp/l2tp_core.c:1616
 pppol2tp_connect+0xbf5/0x1640 net/l2tp/l2tp_ppp.c:772
 __sys_connect_file net/socket.c:1923 [inline]
 __sys_connect+0x3cb/0x450 net/socket.c:1940
 __do_sys_connect net/socket.c:1950 [inline]
 __se_sys_connect net/socket.c:1947 [inline]
 __x64_sys_connect+0x7a/0x90 net/socket.c:1947
 x64_sys_call+0x7c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:43
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

Freed by task 373:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4a/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1728 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1754
 slab_free mm/slub.c:3526 [inline]
 kfree+0xc4/0x270 mm/slub.c:4588
 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline]
 l2tp_session_put+0xaf/0x1a0 net/l2tp/l2tp_core.c:193
 l2tp_session_delete+0x3a9/0x4a0 net/l2tp/l2tp_core.c:1589
 pppol2tp_release+0x169/0x2b0 net/l2tp/l2tp_ppp.c:439
 __sock_release net/socket.c:649 [inline]
 sock_close+0xb8/0x200 net/socket.c:1336
 __fput+0x22b/0x900 fs/file_table.c:311
 ____fput+0x15/0x20 fs/file_table.c:339
 task_work_run+0x127/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff88810fcb5000
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 336 bytes inside of
 512-byte region [ffff88810fcb5000, ffff88810fcb5200)
The buggy address belongs to the page:
page:ffffea00043f2d00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10fcb4
head:ffffea00043f2d00 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 ffffea00043f2c00 0000000400000004 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 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 102, ts 5602689616, free_ts 0
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2607
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2613
 get_page_from_freelist+0x2c3a/0x2cd0 mm/page_alloc.c:4487
 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5824
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1937 [inline]
 new_slab+0xa0/0x4d0 mm/slub.c:2000
 ___slab_alloc+0x3ac/0x840 mm/slub.c:3033
 __slab_alloc+0x49/0x90 mm/slub.c:3120
 slab_alloc_node mm/slub.c:3211 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 __kmalloc_track_caller+0x169/0x2c0 mm/slub.c:4954
 kmalloc_reserve net/core/skbuff.c:357 [inline]
 __alloc_skb+0x210/0x730 net/core/skbuff.c:428
 alloc_skb include/linux/skbuff.h:1183 [inline]
 alloc_uevent_skb+0x85/0x240 lib/kobject_uevent.c:290
 uevent_net_broadcast_untagged lib/kobject_uevent.c:326 [inline]
 kobject_uevent_net_broadcast+0x335/0x5a0 lib/kobject_uevent.c:409
 kobject_uevent_env+0x52b/0x700 lib/kobject_uevent.c:608
 kobject_synth_uevent+0x457/0x940 lib/kobject_uevent.c:208
 store_uevent+0x16/0x30 kernel/module.c:1172
 module_attr_store+0x5f/0x80 kernel/params.c:905
 sysfs_kf_write+0x129/0x150 fs/sysfs/file.c:143
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88810fcb5000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88810fcb5080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88810fcb5100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                 ^
 ffff88810fcb5180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88810fcb5200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================