Extracting prog: 4m27.820890564s
Minimizing prog: 18m4.438695255s
Simplifying prog options: 0s
Extracting C: 45.172053761s
Simplifying C: 3m1.22079179s


extracting reproducer from 60 programs
testing a last program of every proc
single: executing 15 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}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$kvm-socket$inet_udp-bpf$PROG_LOAD-setsockopt$ARPT_SO_SET_ADD_COUNTERS-ioctl$KVM_CREATE_VM-syz_kvm_setup_cpu$x86-bpf$ENABLE_STATS-bpf$MAP_CREATE-bpf$PROG_LOAD_XDP-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-ioctl$KVM_CREATE_PIT2-socket$nl_generic-syz_genetlink_get_family_id$tipc2-sendmsg$TIPC_NL_LINK_GET-timer_create-fcntl$lock-mprotect-fsetxattr$security_ima-timer_settime-getpgrp-ptrace$ARCH_SHSTK_LOCK-timer_create-mmap-socket$packet-pipe-splice-quotactl$Q_SYNC
detailed listing:
executing program 0:
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040))
r0 = openat$kvm(0xffffffffffffff9c, 0x0, 0x101040, 0x0)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x19, 0x4, &(0x7f0000000340)=ANY=[@ANYBLOB="18000000000000000000000000000000711801000000000095"], &(0x7f0000000000)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x0, '\x00', 0x0, @cgroup_sockopt=0x15, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
setsockopt$ARPT_SO_SET_ADD_COUNTERS(r1, 0x0, 0x60, &(0x7f0000000080)={'filter\x00', 0x1058, [{0xa00}, {0x0, 0x100000000000000}]}, 0xa50)
r2 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000005000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)
r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000640)=ANY=[@ANYBLOB="160000000000000004000000ff"], 0x48)
bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000a40)={0x3, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r3, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000005900000095"], 0x0, 0xfffffffd}, 0x94)
r4 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0xc, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000280)='GPL\x00', 0x0, 0x0, 0x0, 0x40f00, 0x1, '\x00', 0x0, @fallback=0x10, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000180)={r4, 0x2000000, 0xe, 0x0, &(0x7f0000000200)="63eced8e46dc3f0adf33c9f7b986", 0x0, 0x3800, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50)
ioctl$KVM_CREATE_PIT2(r2, 0x4040ae77, &(0x7f0000000040)={0x1})
r5 = socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_genetlink_get_family_id$tipc2(&(0x7f00000003c0), 0xffffffffffffffff)
sendmsg$TIPC_NL_LINK_GET(r5, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x18, r6, 0x1, 0x70bd27, 0x25dfdbfd, {}, [@TIPC_NLA_LINK={0x4}]}, 0x18}}, 0x40000000)
timer_create(0x7, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r7=>0x0)
fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
fsetxattr$security_ima(r0, &(0x7f0000000080), &(0x7f0000000100)=@v2={0x3, 0x1, 0xe, 0x3f, 0xdd, "5e050fd4aeedf630779d66d44252949aef488e4b54deff9af77f838b6ad853021fe7d658f64febb1693e04020a04424ec9447ccb266520c4dfc637578c51eff656da8af3e9b83a629fbf23cf58cdce7a517faafa505d83e7797bd32458ecdf9b7dc485997d7565f77c671f831b140e477dd932f8ce397a4a8ce62c40fd152721b405aa7527e6c8c2797d593a01d542245f4adf7748b6c82fe3e1235eab405a137c3045c59f04f7819975575742dd6b4721580ba9ce3f9a63af882a58b29d5a3205cf1d930ddd72d621aa8672eafcc8eccf6e1109664fd71be9fafa4390"}, 0xe6, 0x0)
timer_settime(r7, 0x1, &(0x7f0000000040)={{}, {0x0, 0x3938700}}, 0x0)
r8 = getpgrp(0xffffffffffffffff)
ptrace$ARCH_SHSTK_LOCK(0x1e, r8, 0x1, 0x5003)
timer_create(0x3, &(0x7f0000000200)={0x0, 0x32, 0x0, @tid=r8}, &(0x7f0000000240))
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec778000)
r9 = socket$packet(0x11, 0x3, 0x300)
pipe(&(0x7f0000000040)={0xffffffffffffffff, <r10=>0xffffffffffffffff})
splice(r9, 0x0, r10, 0x0, 0xf3a, 0x0)
quotactl$Q_SYNC(0xffffffff80000102, 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}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_PROG_QUERY-bpf$PROG_LOAD-socket$nl_xfrm-sendmsg$nl_xfrm-socket$inet_udp-bind$inet-connect$inet-setsockopt$inet_IP_XFRM_POLICY-sendmmsg-bpf$BPF_LINK_CREATE-socket$inet6_tcp-setsockopt$inet6_tcp_int-setsockopt$inet6_tcp_TCP_REPAIR_QUEUE-connect$inet6-sendto$inet6-getsockopt$inet6_tcp_TCP_ZEROCOPY_RECEIVE
detailed listing:
executing program 0:
r0 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x1)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000200)={@cgroup=<r2=>r1, 0x6, 0x0, 0x50d6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x40)
r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x19, 0x3, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000001000000000000000000000095"], &(0x7f0000000080)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
r4 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000600)=ANY=[@ANYBLOB="44010000100033062cbd700000000000fc020000000000000000000000000000ac1e000100"/64, @ANYRES32=0x0, @ANYRESHEX=r4, @ANYBLOB="e0000002000000000000000000000000fffffffd32000000000000000000000000000000000000010000000000000000000000000000000000000000000000000900000000000000030000000000000000000000000000000000000000000000fcffffffffffffffd415fc0000000000000000000000000000000000000000000000000700000000000000000000000000000000000000020000000000000002000400000000000000000048000200656362286369706865725f6e75"], 0x144}}, 0x0)
r5 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r5, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x16)
connect$inet(r5, &(0x7f0000000480)={0x2, 0x4, @multicast2}, 0x10)
setsockopt$inet_IP_XFRM_POLICY(r5, 0x0, 0x11, &(0x7f00000002c0)={{{@in6=@mcast2, @in=@local, 0x0, 0x0, 0x4e21, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0xee01}, {0x0, 0x0, 0x6, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x100000000000}, {}, 0x0, 0x0, 0x1, 0x0, 0x3}, {{@in6=@mcast2, 0xfffffffe, 0x33}, 0x0, @in=@loopback, 0x0, 0x0, 0x0, 0xb7, 0xfffffffe}}, 0xe8)
sendmmsg(r5, &(0x7f0000007fc0), 0x800001d, 0x0)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000005c0)={r3, r2, 0x15, 0x0, @void}, 0x10)
r6 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_tcp_int(r6, 0x6, 0x13, &(0x7f0000000040)=0x100000001, 0x4)
setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r6, 0x6, 0x14, &(0x7f0000000280)=0x1, 0x4)
connect$inet6(r6, &(0x7f0000000000)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @local}, 0x3}, 0x1c)
sendto$inet6(r6, &(0x7f00000001c0)="a6", 0x1, 0x840, 0x0, 0x0)
getsockopt$inet6_tcp_TCP_ZEROCOPY_RECEIVE(r6, 0x6, 0x23, &(0x7f0000000140)={&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0}, &(0x7f0000000100)=0x40)

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}}): prlimit64-sched_setscheduler-getpid-syz_clone-sched_setaffinity-syz_open_dev$MSR-read$msr-syz_init_net_socket$bt_hci-bind$bt_hci-socket-setsockopt$inet6_group_source_req-setsockopt$inet6_group_source_req-setsockopt$inet6_group_source_req-write-socket$inet6_tcp-bind$inet6-listen-syz_emit_ethernet-syz_emit_ethernet-timer_create-timer_settime-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
getpid()
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x400000bce)
r0 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8)
r1 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
bind$bt_hci(r1, &(0x7f0000000100)={0x1f, 0xffff, 0x3}, 0x6)
r2 = socket(0x80000000000000a, 0x2, 0x0)
setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000340)={0x7, {{0xa, 0x4e23, 0x0, @mcast1={0xff, 0x7}, 0x400}}, {{0xa, 0xfffe, 0xda, @private2, 0x4}}}, 0x108)
setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000200)={0x6, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x7}}}, {{0xa, 0x0, 0x0, @local}}}, 0x108)
setsockopt$inet6_group_source_req(r2, 0x29, 0x2f, &(0x7f0000000200)={0x1, {{0xa, 0x4e20, 0x0, @mcast1={0xff, 0x7}}}, {{0xa, 0x4e23, 0xa4fffffb, @mcast1}}}, 0x108)
write(r1, &(0x7f0000000000)="5a000300010003", 0x7)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
bind$inet6(r3, &(0x7f0000000140)={0xa, 0x4e22}, 0x1c)
listen(r3, 0x0)
syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x1, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, 0x0)
syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaaffffffffffff86dd600000000018060100000000000000000000000000000000fe8000000000234e22", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB="68c200009078000003020000"], 0x0)
timer_create(0xfffffffc, 0x0, &(0x7f0000000040)=<r4=>0x0)
timer_settime(r4, 0x1, &(0x7f000006b000)={{0x0, 0x989680}}, 0x0)
timer_settime(r4, 0x1, &(0x7f0000000140)={{0x77359400}, {0x77359400}}, 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}}): syz_mount_image$vfat-mount
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x101c088, &(0x7f0000000c00)=ANY=[@ANYBLOB="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"], 0x6, 0x2c3, &(0x7f0000000900)="$eJzs3T+LHGUcB/Df7M3OrlrsFlYiOKCFVciltdlDEhCvMmyhFnqYC8jtItzBgX9wTWVrY2HhKxAEX4iN70CwFeyMEHhkZmeyu5dlcxuyJyafT5MnzzzfeX7Ps8PdXHHPffzq9OROGXfvffV79PtZdEYxivtZDKMTrW9ixei7AAD+z+6nFH+luW1yWUT0d1cWALBDl/v+ny+av1xJWQDADt1+/4N3Dw4Pb75Xlv24Nf32fFz9ZF/9O79+cDc+jUkcx/UYxIOI+kWhG/XbQtW8lVKa5WVlGG9MZ+fjKjn96Nfm/gd/RtT5/RjEsO56+LZR5985vLlfzi3lZ1UdLzbzj6r8jRjEyw/DK/kba/IxLuLN15fqvxaD+O2T+CwmcacuYpH/er8s307f//3lh1V5VT6bnY979biFtHfFHw0AAAAAAAAAAAAAAAAAAAAAAM+wa83ZOb2oz++puprzd/YeVP/pRtkarp7PM89n7Y2WzwdKKc1S/Nier3O9LMvUDFzk83glXz5YEAAAAAAAAAAAAAAAAAAAAJ5fZ59/cXI0mRyfPpVGexpAHhH/3I540vuMlnpei82De82cR5NJp2mujsmXe2KvHZNFbCyjWsST7kYeW639hUdqbho//bzt7P3Hj+mun+tpNtqn6+QoW7+HvWh7+s1G/VBELMYUccm5ios9aTC/T9rqIyjWXhpsvfbipbox2zAmsk2FvfXHfOeanuziKop6V9fGu01jKX7h2bjU8xz9efzRrxWZ0zoAAAAAAAAAAAAAAAAAAGCnFr/9u+bivY3RTurtrCwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAuFKLv/+/RWPWhI9Pz/LHDC7i9Ow/XiIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADPgX8DAAD//x0KWZ8=")
mount(0x0, &(0x7f0000000240)='.\x00', 0x0, 0x2200020, 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}}): syz_mount_image$vfat-mount
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x101c088, &(0x7f0000000c00)=ANY=[@ANYBLOB="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"], 0x6, 0x2c3, &(0x7f0000000900)="$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")
mount(0x0, &(0x7f0000000240)='.\x00', 0x0, 0x2200020, 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}}): syz_usb_connect$uac2-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io$uac2-syz_usb_control_io
detailed listing:
executing program 0:
r0 = syz_usb_connect$uac2(0x5, 0xa8, &(0x7f0000000280)=ANY=[@ANYBLOB="120110030000004082054c00400001020301090296000301053009080b0001010720ff9eead86df00a1a8ca6fc8c0904000000010120000924010040041d000708240a0001ff23000c240302070300040007008109040100020102200009040101010102200000090402000001022000090402010101022000092402020400cc1c051024010201000400000008b8000000030905820908"], &(0x7f0000000400)={0x42, 0x0, 0x0, 0x0, 0x1, [{0x0, &(0x7f0000000000)=@string={0x0, 0x3, "5977f8e27a91574425912fdd36563fe99e16a0641040ee145dca80"}}, {0x0, &(0x7f0000000080)=@lang_id={0x0, 0x3, 0x401}}, {0x0, &(0x7f00000000c0)=@string={0x0, 0x3, "fbe32a92ce608cb472b3a677db387ea1f466bfc3f67c4d826a5cc63f894605ae9858465e4fc3290ca82eb22817454ea791448e6b9d070265724408"}}, {0x0, &(0x7f0000000180)=@lang_id={0x0, 0x3, 0x42b}}, {0x0, &(0x7f00000001c0)=@string={0x0, 0x3, "5bd4c29f86bf32ff407f452046d8e4c1b45f366a59511b006f59a897fb3f60d17e8a97fb09e1ceff172337098259dec570f3db499ea51679ba804eacd672e7154d5de256cc2c45b8aaf2e1c820f6949634325b25046dca3e7b6011a380e3def91c51c682c6adfa197899683b28c64cd3886a5bd466016317a0b459c920422fb827e96fbfeef62f9c608aa940"}}, {0x0, &(0x7f0000000340)=@lang_id={0x0, 0x3, 0x41f}}, {0x0, &(0x7f0000000380)=@string={0x0, 0x3, "d1973b7222e1c7bc8f2bcfd0279f788af01e2879f10319a4b4460dd16fd658892eefac6efc07596be3f65625b4dd1ebc"}}, {0x0, &(0x7f00000003c0)=@lang_id={0x0, 0x3, 0xfefb5b27ebbd426b}}]})
syz_usb_control_io(r0, &(0x7f0000000140)={0x2c, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0xe8eb}}, 0x0, 0x0, 0x0}, 0x0)
syz_usb_control_io$uac2(r0, 0x0, 0x0)
syz_usb_control_io$uac2(r0, 0x0, &(0x7f0000000700)={0x44, &(0x7f00000004c0)={0x40, 0x5, 0x4, "c7ac80df"}, &(0x7f0000000540)={0x0, 0xa, 0x1, 0xf}, &(0x7f0000000580)={0x0, 0x8, 0x1, 0x18}, &(0x7f00000005c0)={0x20, 0x81, 0x1, "f6"}, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io(r0, 0x0, &(0x7f0000002340)={0x84, &(0x7f0000002400)={0x40, 0x16, 0xf, "18ab3bc0d3b50240ae887302f56f90"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-socket$inet6_tcp-setsockopt$inet6_buf-sendmsg$nl_route_sched-add_key-add_key-syz_mount_image$ext4-openat-getdents64-mmap$IORING_OFF_SQ_RING-keyctl$KEYCTL_PKEY_ENCRYPT-ioctl$PPPIOCGL2TPSTATS-getsockopt$IP_VS_SO_GET_VERSION-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-getpeername$netlink-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-ioctl$SECCOMP_IOCTL_NOTIF_RECV-socket$nl_audit-ioctl$SECCOMP_IOCTL_NOTIF_ADDFD-ioctl$SECCOMP_IOCTL_NOTIF_ADDFD-ioctl$EXT4_IOC_GETFSUUID-syz_usb_connect$hid
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_buf(r3, 0x29, 0x20, &(0x7f0000000080)="0bbb268dd6ffa80800000000000000000000210d0000aaa8fa017242ba9380d4120000000000000029000000040000001ee1", 0x32)
sendmsg$nl_route_sched(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000340)=@newtaction={0x80, 0x30, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [{0x6c, 0x1, [@m_skbedit={0x38, 0x1, 0x0, 0x0, {{0xc}, {0xc, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x1}]}, {0x4}, {0xc}, {0xc, 0x8, {0x3, 0x3}}}}, @m_skbedit={0x30, 0x2, 0x0, 0x0, {{0xc}, {0x4}, {0x4}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x3}}}}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4081}, 0x2400c808)
r4 = add_key(&(0x7f0000000000)='keyring\x00', &(0x7f0000000100)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffc)
r5 = add_key(&(0x7f0000000040)='asymmetric\x00', 0x0, &(0x7f0000000200)="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", 0x559, r4)
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000480)='./file0\x00', 0x20400049, &(0x7f0000000c40)={[{@nombcache}, {@abort}, {@nojournal_checksum}, {@grpid}, {@nolazytime}, {@noblock_validity}, {@resgid}, {@nobarrier}, {@jqfmt_vfsold}]}, 0x84, 0x4b2, &(0x7f0000000580)="$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")
r6 = openat(0xffffffffffffff9c, &(0x7f0000004280)='.\x00', 0x0, 0x0)
getdents64(r6, 0x0, 0x0)
mmap$IORING_OFF_SQ_RING(0x0, 0x8000, 0x2, 0x2172, 0xffffffffffffffff, 0x0)
keyctl$KEYCTL_PKEY_ENCRYPT(0x19, &(0x7f0000000780)={r5, 0x41}, &(0x7f00000007c0)=ANY=[@ANYBLOB='enc=pkcs1 hash=sha224'], 0x0, 0x0)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")
getsockopt$IP_VS_SO_GET_VERSION(r0, 0x0, 0x480, &(0x7f0000000540), &(0x7f0000000580)=0x40)
r7 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000001c0)={0x4, &(0x7f0000000180)=[{0x8, 0x2, 0x0, 0x4}, {0x9, 0x9, 0x8, 0xa}, {0x0, 0x4, 0x81, 0x7}, {0x3, 0x7, 0xfe, 0x9}]})
getpeername$netlink(r2, &(0x7f00000004c0), &(0x7f0000000500)=0xc)
r8 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000000240)={0x1, &(0x7f0000000200)=[{0x6, 0xff, 0x7, 0x7fc00002}]})
ioctl$SECCOMP_IOCTL_NOTIF_RECV(r8, 0xc0502100, &(0x7f0000000280)={<r9=>0x0})
r10 = socket$nl_audit(0x10, 0x3, 0x9)
ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r8, 0x40182103, &(0x7f0000000080)={r9, 0x3, r10, 0x3, 0x80000})
ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r7, 0x40182103, &(0x7f00000002c0)={r9, 0x0, 0xffffffffffffffff, 0x0, 0x80000})
ioctl$EXT4_IOC_GETFSUUID(r0, 0x8008662c, &(0x7f0000000300))
syz_usb_connect$hid(0x1, 0x3f, &(0x7f0000000080)={{0x12, 0x1, 0x250, 0x0, 0x0, 0x0, 0x40, 0x56a, 0x318, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x2d, 0x1, 0x1, 0x2, 0x0, 0x7, "", [{{0x9, 0x4, 0x0, 0xfc, 0x1, 0x3, 0x1, 0x2, 0x1, {0x9, 0x21, 0x4, 0xb2, 0x1, {0x22, 0x858}}, {{{0x9, 0x5, 0x81, 0x3, 0x200, 0x81, 0x3, 0x10}}, [{{0x9, 0x5, 0x2, 0x3, 0x10, 0xad, 0x9}}]}}}]}}]}}, &(0x7f0000000440)={0xa, &(0x7f00000000c0)={0xa, 0x6, 0x201, 0x9, 0x40, 0xe, 0x10}, 0x5, &(0x7f0000000100)={0x5, 0xf, 0x5}, 0x2, [{0x39, &(0x7f0000000140)=@string={0x39, 0x3, "ee6f4aac64be9d6bb6e5fc0c5f881fffef3c8b75a5a2e905479712a46c145f4d15483b67e4b66ef7fc9aea541e629aa1d6824af9b62e1c"}}, {0x97, &(0x7f0000000380)=@string={0x97, 0x3, "f29bac2929aaa73120cbd75075c4f87bf7f61e5ded84579d0910f65791941dcd8265849150155ffc60fbacb580c238edea220444ffb90863d4779ce84ffdacaef9369a6d5be17d185c2f4763bac69dc7f45580f47f79ea851ee376219e8386c271274a6f5e1cde6328ab26039bbc767e9e85e02d4eb7974d480f82a2191b489ed3de4249791709df4623a1d89a3aa6f9e53c493863"}}]})

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
single: successfully extracted reproducer
found reproducer with 27 syscalls
minimizing guilty program
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-socket$inet6_tcp-setsockopt$inet6_buf-sendmsg$nl_route_sched-add_key-add_key-syz_mount_image$ext4-openat-getdents64-mmap$IORING_OFF_SQ_RING-keyctl$KEYCTL_PKEY_ENCRYPT-ioctl$PPPIOCGL2TPSTATS-getsockopt$IP_VS_SO_GET_VERSION-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-getpeername$netlink-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-ioctl$SECCOMP_IOCTL_NOTIF_RECV-socket$nl_audit-ioctl$SECCOMP_IOCTL_NOTIF_ADDFD-ioctl$SECCOMP_IOCTL_NOTIF_ADDFD-ioctl$EXT4_IOC_GETFSUUID
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_buf(r3, 0x29, 0x20, &(0x7f0000000080)="0bbb268dd6ffa80800000000000000000000210d0000aaa8fa017242ba9380d4120000000000000029000000040000001ee1", 0x32)
sendmsg$nl_route_sched(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000340)=@newtaction={0x80, 0x30, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [{0x6c, 0x1, [@m_skbedit={0x38, 0x1, 0x0, 0x0, {{0xc}, {0xc, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x1}]}, {0x4}, {0xc}, {0xc, 0x8, {0x3, 0x3}}}}, @m_skbedit={0x30, 0x2, 0x0, 0x0, {{0xc}, {0x4}, {0x4}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x3}}}}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4081}, 0x2400c808)
r4 = add_key(&(0x7f0000000000)='keyring\x00', &(0x7f0000000100)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffc)
r5 = add_key(&(0x7f0000000040)='asymmetric\x00', 0x0, &(0x7f0000000200)="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", 0x559, r4)
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000480)='./file0\x00', 0x20400049, &(0x7f0000000c40)={[{@nombcache}, {@abort}, {@nojournal_checksum}, {@grpid}, {@nolazytime}, {@noblock_validity}, {@resgid}, {@nobarrier}, {@jqfmt_vfsold}]}, 0x84, 0x4b2, &(0x7f0000000580)="$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")
r6 = openat(0xffffffffffffff9c, &(0x7f0000004280)='.\x00', 0x0, 0x0)
getdents64(r6, 0x0, 0x0)
mmap$IORING_OFF_SQ_RING(0x0, 0x8000, 0x2, 0x2172, 0xffffffffffffffff, 0x0)
keyctl$KEYCTL_PKEY_ENCRYPT(0x19, &(0x7f0000000780)={r5, 0x41}, &(0x7f00000007c0)=ANY=[@ANYBLOB='enc=pkcs1 hash=sha224'], 0x0, 0x0)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")
getsockopt$IP_VS_SO_GET_VERSION(r0, 0x0, 0x480, &(0x7f0000000540), &(0x7f0000000580)=0x40)
r7 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000001c0)={0x4, &(0x7f0000000180)=[{0x8, 0x2, 0x0, 0x4}, {0x9, 0x9, 0x8, 0xa}, {0x0, 0x4, 0x81, 0x7}, {0x3, 0x7, 0xfe, 0x9}]})
getpeername$netlink(r2, &(0x7f00000004c0), &(0x7f0000000500)=0xc)
r8 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000000240)={0x1, &(0x7f0000000200)=[{0x6, 0xff, 0x7, 0x7fc00002}]})
ioctl$SECCOMP_IOCTL_NOTIF_RECV(r8, 0xc0502100, &(0x7f0000000280)={<r9=>0x0})
r10 = socket$nl_audit(0x10, 0x3, 0x9)
ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r8, 0x40182103, &(0x7f0000000080)={r9, 0x3, r10, 0x3, 0x80000})
ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r7, 0x40182103, &(0x7f00000002c0)={r9, 0x0, 0xffffffffffffffff, 0x0, 0x80000})
ioctl$EXT4_IOC_GETFSUUID(r0, 0x8008662c, &(0x7f0000000300))

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-socket$inet6_tcp-setsockopt$inet6_buf-sendmsg$nl_route_sched-add_key-add_key-syz_mount_image$ext4-openat-getdents64-mmap$IORING_OFF_SQ_RING-keyctl$KEYCTL_PKEY_ENCRYPT-ioctl$PPPIOCGL2TPSTATS-getsockopt$IP_VS_SO_GET_VERSION-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-getpeername$netlink-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-ioctl$SECCOMP_IOCTL_NOTIF_RECV-socket$nl_audit-ioctl$SECCOMP_IOCTL_NOTIF_ADDFD-ioctl$SECCOMP_IOCTL_NOTIF_ADDFD
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_buf(r3, 0x29, 0x20, &(0x7f0000000080)="0bbb268dd6ffa80800000000000000000000210d0000aaa8fa017242ba9380d4120000000000000029000000040000001ee1", 0x32)
sendmsg$nl_route_sched(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000340)=@newtaction={0x80, 0x30, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [{0x6c, 0x1, [@m_skbedit={0x38, 0x1, 0x0, 0x0, {{0xc}, {0xc, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x1}]}, {0x4}, {0xc}, {0xc, 0x8, {0x3, 0x3}}}}, @m_skbedit={0x30, 0x2, 0x0, 0x0, {{0xc}, {0x4}, {0x4}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x3}}}}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4081}, 0x2400c808)
r4 = add_key(&(0x7f0000000000)='keyring\x00', &(0x7f0000000100)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffc)
r5 = add_key(&(0x7f0000000040)='asymmetric\x00', 0x0, &(0x7f0000000200)="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", 0x559, r4)
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000480)='./file0\x00', 0x20400049, &(0x7f0000000c40)={[{@nombcache}, {@abort}, {@nojournal_checksum}, {@grpid}, {@nolazytime}, {@noblock_validity}, {@resgid}, {@nobarrier}, {@jqfmt_vfsold}]}, 0x84, 0x4b2, &(0x7f0000000580)="$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")
r6 = openat(0xffffffffffffff9c, &(0x7f0000004280)='.\x00', 0x0, 0x0)
getdents64(r6, 0x0, 0x0)
mmap$IORING_OFF_SQ_RING(0x0, 0x8000, 0x2, 0x2172, 0xffffffffffffffff, 0x0)
keyctl$KEYCTL_PKEY_ENCRYPT(0x19, &(0x7f0000000780)={r5, 0x41}, &(0x7f00000007c0)=ANY=[@ANYBLOB='enc=pkcs1 hash=sha224'], 0x0, 0x0)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")
getsockopt$IP_VS_SO_GET_VERSION(r0, 0x0, 0x480, &(0x7f0000000540), &(0x7f0000000580)=0x40)
r7 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000001c0)={0x4, &(0x7f0000000180)=[{0x8, 0x2, 0x0, 0x4}, {0x9, 0x9, 0x8, 0xa}, {0x0, 0x4, 0x81, 0x7}, {0x3, 0x7, 0xfe, 0x9}]})
getpeername$netlink(r2, &(0x7f00000004c0), &(0x7f0000000500)=0xc)
r8 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000000240)={0x1, &(0x7f0000000200)=[{0x6, 0xff, 0x7, 0x7fc00002}]})
ioctl$SECCOMP_IOCTL_NOTIF_RECV(r8, 0xc0502100, &(0x7f0000000280)={<r9=>0x0})
r10 = socket$nl_audit(0x10, 0x3, 0x9)
ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r8, 0x40182103, &(0x7f0000000080)={r9, 0x3, r10, 0x3, 0x80000})
ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r7, 0x40182103, &(0x7f00000002c0)={r9, 0x0, 0xffffffffffffffff, 0x0, 0x80000})

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-socket$inet6_tcp-setsockopt$inet6_buf-sendmsg$nl_route_sched-add_key-add_key-syz_mount_image$ext4-openat-getdents64-mmap$IORING_OFF_SQ_RING-keyctl$KEYCTL_PKEY_ENCRYPT-ioctl$PPPIOCGL2TPSTATS-getsockopt$IP_VS_SO_GET_VERSION-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-getpeername$netlink-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-ioctl$SECCOMP_IOCTL_NOTIF_RECV-socket$nl_audit-ioctl$SECCOMP_IOCTL_NOTIF_ADDFD
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_buf(r3, 0x29, 0x20, &(0x7f0000000080)="0bbb268dd6ffa80800000000000000000000210d0000aaa8fa017242ba9380d4120000000000000029000000040000001ee1", 0x32)
sendmsg$nl_route_sched(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000340)=@newtaction={0x80, 0x30, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [{0x6c, 0x1, [@m_skbedit={0x38, 0x1, 0x0, 0x0, {{0xc}, {0xc, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x1}]}, {0x4}, {0xc}, {0xc, 0x8, {0x3, 0x3}}}}, @m_skbedit={0x30, 0x2, 0x0, 0x0, {{0xc}, {0x4}, {0x4}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x3}}}}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4081}, 0x2400c808)
r4 = add_key(&(0x7f0000000000)='keyring\x00', &(0x7f0000000100)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffc)
r5 = add_key(&(0x7f0000000040)='asymmetric\x00', 0x0, &(0x7f0000000200)="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", 0x559, r4)
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000480)='./file0\x00', 0x20400049, &(0x7f0000000c40)={[{@nombcache}, {@abort}, {@nojournal_checksum}, {@grpid}, {@nolazytime}, {@noblock_validity}, {@resgid}, {@nobarrier}, {@jqfmt_vfsold}]}, 0x84, 0x4b2, &(0x7f0000000580)="$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")
r6 = openat(0xffffffffffffff9c, &(0x7f0000004280)='.\x00', 0x0, 0x0)
getdents64(r6, 0x0, 0x0)
mmap$IORING_OFF_SQ_RING(0x0, 0x8000, 0x2, 0x2172, 0xffffffffffffffff, 0x0)
keyctl$KEYCTL_PKEY_ENCRYPT(0x19, &(0x7f0000000780)={r5, 0x41}, &(0x7f00000007c0)=ANY=[@ANYBLOB='enc=pkcs1 hash=sha224'], 0x0, 0x0)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")
getsockopt$IP_VS_SO_GET_VERSION(r0, 0x0, 0x480, &(0x7f0000000540), &(0x7f0000000580)=0x40)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000001c0)={0x4, &(0x7f0000000180)=[{0x8, 0x2, 0x0, 0x4}, {0x9, 0x9, 0x8, 0xa}, {0x0, 0x4, 0x81, 0x7}, {0x3, 0x7, 0xfe, 0x9}]})
getpeername$netlink(r2, &(0x7f00000004c0), &(0x7f0000000500)=0xc)
r7 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000000240)={0x1, &(0x7f0000000200)=[{0x6, 0xff, 0x7, 0x7fc00002}]})
ioctl$SECCOMP_IOCTL_NOTIF_RECV(r7, 0xc0502100, &(0x7f0000000280)={<r8=>0x0})
r9 = socket$nl_audit(0x10, 0x3, 0x9)
ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r7, 0x40182103, &(0x7f0000000080)={r8, 0x3, r9, 0x3, 0x80000})

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-socket$inet6_tcp-setsockopt$inet6_buf-sendmsg$nl_route_sched-add_key-add_key-syz_mount_image$ext4-openat-getdents64-mmap$IORING_OFF_SQ_RING-keyctl$KEYCTL_PKEY_ENCRYPT-ioctl$PPPIOCGL2TPSTATS-getsockopt$IP_VS_SO_GET_VERSION-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-getpeername$netlink-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-ioctl$SECCOMP_IOCTL_NOTIF_RECV-socket$nl_audit
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_buf(r3, 0x29, 0x20, &(0x7f0000000080)="0bbb268dd6ffa80800000000000000000000210d0000aaa8fa017242ba9380d4120000000000000029000000040000001ee1", 0x32)
sendmsg$nl_route_sched(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000340)=@newtaction={0x80, 0x30, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [{0x6c, 0x1, [@m_skbedit={0x38, 0x1, 0x0, 0x0, {{0xc}, {0xc, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x1}]}, {0x4}, {0xc}, {0xc, 0x8, {0x3, 0x3}}}}, @m_skbedit={0x30, 0x2, 0x0, 0x0, {{0xc}, {0x4}, {0x4}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x3}}}}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4081}, 0x2400c808)
r4 = add_key(&(0x7f0000000000)='keyring\x00', &(0x7f0000000100)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffc)
r5 = add_key(&(0x7f0000000040)='asymmetric\x00', 0x0, &(0x7f0000000200)="308205553082033da00302010202147398ea982dd02ea8b1cf57c7f297b3e61afc8c0a300d06092a864886f70d01010b050030343132303006035504030c29436572746966696361746520766572696669636174696f6e2073656c662d74657374696e67206b65793020170d3232303531383232333234315a180f32313232303432343232333234315a30343132303006035504030c29436572746966696361746520766572696669636174696f6e2073656c662d74657374696e67206b657a30820222300d06092a864886f70d01010105000382020f003082020a0282020100ccac49dd3bcab0157e846ab20a695f1c0a61823b4f2ca3952c08584bb15d99e0c3c179c2b3ebc01e6d3e541dbdb7927b4db59558b2522ec6244b7163803277a7385edb72ae6e0decfbb66d017fe95566dfbf1d76780231e8e507f8b7825c0dd4bbfba2590d2e3a78953a8b4606474446d7cd066a4113e319f6bb6e38f48301a3bf4a394fd70ae938b3f594144eddf743fd24b2493ca5f77a7cd4453d977568f1ed4c420b70ca85f3dee5882cc5beb69734ba2402cd8b869fa973ca73cf9281ee7555bb18675cff3fb5dd331b0ce978db5ccfaa5c4342df5ea96decd7d7ffe6a13a921adaaef68c6f7bd5b46e06e98fe8de093189ed0e11a1fa8ae9e964596253dad170be11d4999711cf99de0b9d947eaab852ea37db907e35bdd9fe6d0a487028ddd50d7f03809314238fb922cd7c29fef172b55c0b12cf9c15f6114c7a45258c450a34ac2d9a81ca0b1322cdeb1a38881897960881aacc8f0f8a327b7668036843bf11ba5560fd801c0d9b69b60972bc0f412f0782c6e3b21391c46d149531be19bdbcede14c74a2e0780bbb94ec4c533aa2b5841d4b657edcf7db367dbe9e3b366642667635bfbef0c13c7ce9425c24530305a86724500275ff24463b358976e670dac5518c9ae505b00bd02dd47d5775946bf90aad0e410015d04fc07f902d18488f28fe5da7cd999ebd026c8a31f31cc74be693cd42a2e46810479dfc210203010001a35d305b300c0603551d130101ff04023000300b0603551d0f040403020780301d0603551d0e04160414f58703bb33ce1b73ee02eccdee5b8817518fe3db301f0603551d23041830168014f58703bb33ce1b73ee02eccdee5b8817518fe3db300d06092a864886f70d01010b05000382020100c02e12417b738516c8db8679e8f5cd44f4c6e281235e47cbab25f11e583e317f78ad85ebfe148860f77fd226a2f4982afdba050c203312cc4d1461648193d333edc8fff178cc5f519f09d7be0d5c74fd9bdf524ac9a871253304106736d0b30bc9a14072ae417b68e6e47bd028f76de73f50fc917c9156d4dfa6bbe84d1b58aa28fac119eb112f248b7cc5a98626aa6eb79bd5f806fb02527b9c9ea1e0078b5ee4b85529f648521c1b542d46d8e571b960d145b592898a63582ab3c6b276e23c825904ae5ac4997b2e4b4657b82924b2fdee2c0da483fa652a07358b97cfbd962ed17e6cc21e87b66c7665b5b262da8be973e3db33dd133a17636a76de8d8fe04761283a83ff8fe7c7e04aa3e507cfe98c35352ee7806631bf91580ae1253d38d3a4f059344707620fbe30dd818858f028b096e582f805b71301bcfac61f8672ccf9ee8ed9d6048c246cbf0f5d3739cf45c1933ad2ed5c5879748662307e8ebbdd7aa9edca40cb6247f4b49f527f7263a8f02baf452a48196de3fbf9196669c8cc62876c532b2d6e906c543a822541cb186aa422a8a1c447d781001c15510f1aafef9fa6618cbd6b8bede6ac0eb63a4c92e60f910a0f71c7a0b90d3a175a6f35c8e7504f46e870604806828b6658e673919c123d358e46ad5af5b3db692104fdd31cdf949d56b00ad195768dec9edd0b159764ade5f26202fc9e5f56423905b3", 0x559, r4)
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000480)='./file0\x00', 0x20400049, &(0x7f0000000c40)={[{@nombcache}, {@abort}, {@nojournal_checksum}, {@grpid}, {@nolazytime}, {@noblock_validity}, {@resgid}, {@nobarrier}, {@jqfmt_vfsold}]}, 0x84, 0x4b2, &(0x7f0000000580)="$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")
r6 = openat(0xffffffffffffff9c, &(0x7f0000004280)='.\x00', 0x0, 0x0)
getdents64(r6, 0x0, 0x0)
mmap$IORING_OFF_SQ_RING(0x0, 0x8000, 0x2, 0x2172, 0xffffffffffffffff, 0x0)
keyctl$KEYCTL_PKEY_ENCRYPT(0x19, &(0x7f0000000780)={r5, 0x41}, &(0x7f00000007c0)=ANY=[@ANYBLOB='enc=pkcs1 hash=sha224'], 0x0, 0x0)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")
getsockopt$IP_VS_SO_GET_VERSION(r0, 0x0, 0x480, &(0x7f0000000540), &(0x7f0000000580)=0x40)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000001c0)={0x4, &(0x7f0000000180)=[{0x8, 0x2, 0x0, 0x4}, {0x9, 0x9, 0x8, 0xa}, {0x0, 0x4, 0x81, 0x7}, {0x3, 0x7, 0xfe, 0x9}]})
getpeername$netlink(r2, &(0x7f00000004c0), &(0x7f0000000500)=0xc)
r7 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000000240)={0x1, &(0x7f0000000200)=[{0x6, 0xff, 0x7, 0x7fc00002}]})
ioctl$SECCOMP_IOCTL_NOTIF_RECV(r7, 0xc0502100, &(0x7f0000000280))
socket$nl_audit(0x10, 0x3, 0x9)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-socket$inet6_tcp-setsockopt$inet6_buf-sendmsg$nl_route_sched-add_key-add_key-syz_mount_image$ext4-openat-getdents64-mmap$IORING_OFF_SQ_RING-keyctl$KEYCTL_PKEY_ENCRYPT-ioctl$PPPIOCGL2TPSTATS-getsockopt$IP_VS_SO_GET_VERSION-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-getpeername$netlink-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-ioctl$SECCOMP_IOCTL_NOTIF_RECV
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_buf(r3, 0x29, 0x20, &(0x7f0000000080)="0bbb268dd6ffa80800000000000000000000210d0000aaa8fa017242ba9380d4120000000000000029000000040000001ee1", 0x32)
sendmsg$nl_route_sched(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000340)=@newtaction={0x80, 0x30, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [{0x6c, 0x1, [@m_skbedit={0x38, 0x1, 0x0, 0x0, {{0xc}, {0xc, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x1}]}, {0x4}, {0xc}, {0xc, 0x8, {0x3, 0x3}}}}, @m_skbedit={0x30, 0x2, 0x0, 0x0, {{0xc}, {0x4}, {0x4}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x3}}}}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4081}, 0x2400c808)
r4 = add_key(&(0x7f0000000000)='keyring\x00', &(0x7f0000000100)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffc)
r5 = add_key(&(0x7f0000000040)='asymmetric\x00', 0x0, &(0x7f0000000200)="308205553082033da00302010202147398ea982dd02ea8b1cf57c7f297b3e61afc8c0a300d06092a864886f70d01010b050030343132303006035504030c29436572746966696361746520766572696669636174696f6e2073656c662d74657374696e67206b65793020170d3232303531383232333234315a180f32313232303432343232333234315a30343132303006035504030c29436572746966696361746520766572696669636174696f6e2073656c662d74657374696e67206b657a30820222300d06092a864886f70d01010105000382020f003082020a0282020100ccac49dd3bcab0157e846ab20a695f1c0a61823b4f2ca3952c08584bb15d99e0c3c179c2b3ebc01e6d3e541dbdb7927b4db59558b2522ec6244b7163803277a7385edb72ae6e0decfbb66d017fe95566dfbf1d76780231e8e507f8b7825c0dd4bbfba2590d2e3a78953a8b4606474446d7cd066a4113e319f6bb6e38f48301a3bf4a394fd70ae938b3f594144eddf743fd24b2493ca5f77a7cd4453d977568f1ed4c420b70ca85f3dee5882cc5beb69734ba2402cd8b869fa973ca73cf9281ee7555bb18675cff3fb5dd331b0ce978db5ccfaa5c4342df5ea96decd7d7ffe6a13a921adaaef68c6f7bd5b46e06e98fe8de093189ed0e11a1fa8ae9e964596253dad170be11d4999711cf99de0b9d947eaab852ea37db907e35bdd9fe6d0a487028ddd50d7f03809314238fb922cd7c29fef172b55c0b12cf9c15f6114c7a45258c450a34ac2d9a81ca0b1322cdeb1a38881897960881aacc8f0f8a327b7668036843bf11ba5560fd801c0d9b69b60972bc0f412f0782c6e3b21391c46d149531be19bdbcede14c74a2e0780bbb94ec4c533aa2b5841d4b657edcf7db367dbe9e3b366642667635bfbef0c13c7ce9425c24530305a86724500275ff24463b358976e670dac5518c9ae505b00bd02dd47d5775946bf90aad0e410015d04fc07f902d18488f28fe5da7cd999ebd026c8a31f31cc74be693cd42a2e46810479dfc210203010001a35d305b300c0603551d130101ff04023000300b0603551d0f040403020780301d0603551d0e04160414f58703bb33ce1b73ee02eccdee5b8817518fe3db301f0603551d23041830168014f58703bb33ce1b73ee02eccdee5b8817518fe3db300d06092a864886f70d01010b05000382020100c02e12417b738516c8db8679e8f5cd44f4c6e281235e47cbab25f11e583e317f78ad85ebfe148860f77fd226a2f4982afdba050c203312cc4d1461648193d333edc8fff178cc5f519f09d7be0d5c74fd9bdf524ac9a871253304106736d0b30bc9a14072ae417b68e6e47bd028f76de73f50fc917c9156d4dfa6bbe84d1b58aa28fac119eb112f248b7cc5a98626aa6eb79bd5f806fb02527b9c9ea1e0078b5ee4b85529f648521c1b542d46d8e571b960d145b592898a63582ab3c6b276e23c825904ae5ac4997b2e4b4657b82924b2fdee2c0da483fa652a07358b97cfbd962ed17e6cc21e87b66c7665b5b262da8be973e3db33dd133a17636a76de8d8fe04761283a83ff8fe7c7e04aa3e507cfe98c35352ee7806631bf91580ae1253d38d3a4f059344707620fbe30dd818858f028b096e582f805b71301bcfac61f8672ccf9ee8ed9d6048c246cbf0f5d3739cf45c1933ad2ed5c5879748662307e8ebbdd7aa9edca40cb6247f4b49f527f7263a8f02baf452a48196de3fbf9196669c8cc62876c532b2d6e906c543a822541cb186aa422a8a1c447d781001c15510f1aafef9fa6618cbd6b8bede6ac0eb63a4c92e60f910a0f71c7a0b90d3a175a6f35c8e7504f46e870604806828b6658e673919c123d358e46ad5af5b3db692104fdd31cdf949d56b00ad195768dec9edd0b159764ade5f26202fc9e5f56423905b3", 0x559, r4)
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000480)='./file0\x00', 0x20400049, &(0x7f0000000c40)={[{@nombcache}, {@abort}, {@nojournal_checksum}, {@grpid}, {@nolazytime}, {@noblock_validity}, {@resgid}, {@nobarrier}, {@jqfmt_vfsold}]}, 0x84, 0x4b2, &(0x7f0000000580)="$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")
r6 = openat(0xffffffffffffff9c, &(0x7f0000004280)='.\x00', 0x0, 0x0)
getdents64(r6, 0x0, 0x0)
mmap$IORING_OFF_SQ_RING(0x0, 0x8000, 0x2, 0x2172, 0xffffffffffffffff, 0x0)
keyctl$KEYCTL_PKEY_ENCRYPT(0x19, &(0x7f0000000780)={r5, 0x41}, &(0x7f00000007c0)=ANY=[@ANYBLOB='enc=pkcs1 hash=sha224'], 0x0, 0x0)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")
getsockopt$IP_VS_SO_GET_VERSION(r0, 0x0, 0x480, &(0x7f0000000540), &(0x7f0000000580)=0x40)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000001c0)={0x4, &(0x7f0000000180)=[{0x8, 0x2, 0x0, 0x4}, {0x9, 0x9, 0x8, 0xa}, {0x0, 0x4, 0x81, 0x7}, {0x3, 0x7, 0xfe, 0x9}]})
getpeername$netlink(r2, &(0x7f00000004c0), &(0x7f0000000500)=0xc)
r7 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000000240)={0x1, &(0x7f0000000200)=[{0x6, 0xff, 0x7, 0x7fc00002}]})
ioctl$SECCOMP_IOCTL_NOTIF_RECV(r7, 0xc0502100, &(0x7f0000000280))

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-socket$inet6_tcp-setsockopt$inet6_buf-sendmsg$nl_route_sched-add_key-add_key-syz_mount_image$ext4-openat-getdents64-mmap$IORING_OFF_SQ_RING-keyctl$KEYCTL_PKEY_ENCRYPT-ioctl$PPPIOCGL2TPSTATS-getsockopt$IP_VS_SO_GET_VERSION-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-getpeername$netlink-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_buf(r3, 0x29, 0x20, &(0x7f0000000080)="0bbb268dd6ffa80800000000000000000000210d0000aaa8fa017242ba9380d4120000000000000029000000040000001ee1", 0x32)
sendmsg$nl_route_sched(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000340)=@newtaction={0x80, 0x30, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [{0x6c, 0x1, [@m_skbedit={0x38, 0x1, 0x0, 0x0, {{0xc}, {0xc, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x1}]}, {0x4}, {0xc}, {0xc, 0x8, {0x3, 0x3}}}}, @m_skbedit={0x30, 0x2, 0x0, 0x0, {{0xc}, {0x4}, {0x4}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x3}}}}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4081}, 0x2400c808)
r4 = add_key(&(0x7f0000000000)='keyring\x00', &(0x7f0000000100)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffc)
r5 = add_key(&(0x7f0000000040)='asymmetric\x00', 0x0, &(0x7f0000000200)="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", 0x559, r4)
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000480)='./file0\x00', 0x20400049, &(0x7f0000000c40)={[{@nombcache}, {@abort}, {@nojournal_checksum}, {@grpid}, {@nolazytime}, {@noblock_validity}, {@resgid}, {@nobarrier}, {@jqfmt_vfsold}]}, 0x84, 0x4b2, &(0x7f0000000580)="$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")
r6 = openat(0xffffffffffffff9c, &(0x7f0000004280)='.\x00', 0x0, 0x0)
getdents64(r6, 0x0, 0x0)
mmap$IORING_OFF_SQ_RING(0x0, 0x8000, 0x2, 0x2172, 0xffffffffffffffff, 0x0)
keyctl$KEYCTL_PKEY_ENCRYPT(0x19, &(0x7f0000000780)={r5, 0x41}, &(0x7f00000007c0)=ANY=[@ANYBLOB='enc=pkcs1 hash=sha224'], 0x0, 0x0)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")
getsockopt$IP_VS_SO_GET_VERSION(r0, 0x0, 0x480, &(0x7f0000000540), &(0x7f0000000580)=0x40)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000001c0)={0x4, &(0x7f0000000180)=[{0x8, 0x2, 0x0, 0x4}, {0x9, 0x9, 0x8, 0xa}, {0x0, 0x4, 0x81, 0x7}, {0x3, 0x7, 0xfe, 0x9}]})
getpeername$netlink(r2, &(0x7f00000004c0), &(0x7f0000000500)=0xc)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000000240)={0x1, &(0x7f0000000200)=[{0x6, 0xff, 0x7, 0x7fc00002}]})

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-socket$inet6_tcp-setsockopt$inet6_buf-sendmsg$nl_route_sched-add_key-add_key-syz_mount_image$ext4-openat-getdents64-mmap$IORING_OFF_SQ_RING-keyctl$KEYCTL_PKEY_ENCRYPT-ioctl$PPPIOCGL2TPSTATS-getsockopt$IP_VS_SO_GET_VERSION-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-getpeername$netlink
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_buf(r3, 0x29, 0x20, &(0x7f0000000080)="0bbb268dd6ffa80800000000000000000000210d0000aaa8fa017242ba9380d4120000000000000029000000040000001ee1", 0x32)
sendmsg$nl_route_sched(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000340)=@newtaction={0x80, 0x30, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [{0x6c, 0x1, [@m_skbedit={0x38, 0x1, 0x0, 0x0, {{0xc}, {0xc, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x1}]}, {0x4}, {0xc}, {0xc, 0x8, {0x3, 0x3}}}}, @m_skbedit={0x30, 0x2, 0x0, 0x0, {{0xc}, {0x4}, {0x4}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x3}}}}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4081}, 0x2400c808)
r4 = add_key(&(0x7f0000000000)='keyring\x00', &(0x7f0000000100)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffc)
r5 = add_key(&(0x7f0000000040)='asymmetric\x00', 0x0, &(0x7f0000000200)="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", 0x559, r4)
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000480)='./file0\x00', 0x20400049, &(0x7f0000000c40)={[{@nombcache}, {@abort}, {@nojournal_checksum}, {@grpid}, {@nolazytime}, {@noblock_validity}, {@resgid}, {@nobarrier}, {@jqfmt_vfsold}]}, 0x84, 0x4b2, &(0x7f0000000580)="$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")
r6 = openat(0xffffffffffffff9c, &(0x7f0000004280)='.\x00', 0x0, 0x0)
getdents64(r6, 0x0, 0x0)
mmap$IORING_OFF_SQ_RING(0x0, 0x8000, 0x2, 0x2172, 0xffffffffffffffff, 0x0)
keyctl$KEYCTL_PKEY_ENCRYPT(0x19, &(0x7f0000000780)={r5, 0x41}, &(0x7f00000007c0)=ANY=[@ANYBLOB='enc=pkcs1 hash=sha224'], 0x0, 0x0)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")
getsockopt$IP_VS_SO_GET_VERSION(r0, 0x0, 0x480, &(0x7f0000000540), &(0x7f0000000580)=0x40)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000001c0)={0x4, &(0x7f0000000180)=[{0x8, 0x2, 0x0, 0x4}, {0x9, 0x9, 0x8, 0xa}, {0x0, 0x4, 0x81, 0x7}, {0x3, 0x7, 0xfe, 0x9}]})
getpeername$netlink(r2, &(0x7f00000004c0), &(0x7f0000000500)=0xc)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-socket$inet6_tcp-setsockopt$inet6_buf-sendmsg$nl_route_sched-add_key-add_key-syz_mount_image$ext4-openat-getdents64-mmap$IORING_OFF_SQ_RING-keyctl$KEYCTL_PKEY_ENCRYPT-ioctl$PPPIOCGL2TPSTATS-getsockopt$IP_VS_SO_GET_VERSION-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_buf(r3, 0x29, 0x20, &(0x7f0000000080)="0bbb268dd6ffa80800000000000000000000210d0000aaa8fa017242ba9380d4120000000000000029000000040000001ee1", 0x32)
sendmsg$nl_route_sched(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000340)=@newtaction={0x80, 0x30, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [{0x6c, 0x1, [@m_skbedit={0x38, 0x1, 0x0, 0x0, {{0xc}, {0xc, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x1}]}, {0x4}, {0xc}, {0xc, 0x8, {0x3, 0x3}}}}, @m_skbedit={0x30, 0x2, 0x0, 0x0, {{0xc}, {0x4}, {0x4}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x3}}}}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4081}, 0x2400c808)
r4 = add_key(&(0x7f0000000000)='keyring\x00', &(0x7f0000000100)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffc)
r5 = add_key(&(0x7f0000000040)='asymmetric\x00', 0x0, &(0x7f0000000200)="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", 0x559, r4)
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000480)='./file0\x00', 0x20400049, &(0x7f0000000c40)={[{@nombcache}, {@abort}, {@nojournal_checksum}, {@grpid}, {@nolazytime}, {@noblock_validity}, {@resgid}, {@nobarrier}, {@jqfmt_vfsold}]}, 0x84, 0x4b2, &(0x7f0000000580)="$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")
r6 = openat(0xffffffffffffff9c, &(0x7f0000004280)='.\x00', 0x0, 0x0)
getdents64(r6, 0x0, 0x0)
mmap$IORING_OFF_SQ_RING(0x0, 0x8000, 0x2, 0x2172, 0xffffffffffffffff, 0x0)
keyctl$KEYCTL_PKEY_ENCRYPT(0x19, &(0x7f0000000780)={r5, 0x41}, &(0x7f00000007c0)=ANY=[@ANYBLOB='enc=pkcs1 hash=sha224'], 0x0, 0x0)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")
getsockopt$IP_VS_SO_GET_VERSION(r0, 0x0, 0x480, &(0x7f0000000540), &(0x7f0000000580)=0x40)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f00000001c0)={0x4, &(0x7f0000000180)=[{0x8, 0x2, 0x0, 0x4}, {0x9, 0x9, 0x8, 0xa}, {0x0, 0x4, 0x81, 0x7}, {0x3, 0x7, 0xfe, 0x9}]})

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-socket$inet6_tcp-setsockopt$inet6_buf-sendmsg$nl_route_sched-add_key-add_key-syz_mount_image$ext4-openat-getdents64-mmap$IORING_OFF_SQ_RING-keyctl$KEYCTL_PKEY_ENCRYPT-ioctl$PPPIOCGL2TPSTATS-getsockopt$IP_VS_SO_GET_VERSION
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_buf(r3, 0x29, 0x20, &(0x7f0000000080)="0bbb268dd6ffa80800000000000000000000210d0000aaa8fa017242ba9380d4120000000000000029000000040000001ee1", 0x32)
sendmsg$nl_route_sched(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000340)=@newtaction={0x80, 0x30, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [{0x6c, 0x1, [@m_skbedit={0x38, 0x1, 0x0, 0x0, {{0xc}, {0xc, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x1}]}, {0x4}, {0xc}, {0xc, 0x8, {0x3, 0x3}}}}, @m_skbedit={0x30, 0x2, 0x0, 0x0, {{0xc}, {0x4}, {0x4}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x3}}}}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4081}, 0x2400c808)
r4 = add_key(&(0x7f0000000000)='keyring\x00', &(0x7f0000000100)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffc)
r5 = add_key(&(0x7f0000000040)='asymmetric\x00', 0x0, &(0x7f0000000200)="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", 0x559, r4)
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000480)='./file0\x00', 0x20400049, &(0x7f0000000c40)={[{@nombcache}, {@abort}, {@nojournal_checksum}, {@grpid}, {@nolazytime}, {@noblock_validity}, {@resgid}, {@nobarrier}, {@jqfmt_vfsold}]}, 0x84, 0x4b2, &(0x7f0000000580)="$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")
r6 = openat(0xffffffffffffff9c, &(0x7f0000004280)='.\x00', 0x0, 0x0)
getdents64(r6, 0x0, 0x0)
mmap$IORING_OFF_SQ_RING(0x0, 0x8000, 0x2, 0x2172, 0xffffffffffffffff, 0x0)
keyctl$KEYCTL_PKEY_ENCRYPT(0x19, &(0x7f0000000780)={r5, 0x41}, &(0x7f00000007c0)=ANY=[@ANYBLOB='enc=pkcs1 hash=sha224'], 0x0, 0x0)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")
getsockopt$IP_VS_SO_GET_VERSION(r0, 0x0, 0x480, &(0x7f0000000540), &(0x7f0000000580)=0x40)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-socket$inet6_tcp-setsockopt$inet6_buf-sendmsg$nl_route_sched-add_key-add_key-syz_mount_image$ext4-openat-getdents64-mmap$IORING_OFF_SQ_RING-keyctl$KEYCTL_PKEY_ENCRYPT-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_buf(r3, 0x29, 0x20, &(0x7f0000000080)="0bbb268dd6ffa80800000000000000000000210d0000aaa8fa017242ba9380d4120000000000000029000000040000001ee1", 0x32)
sendmsg$nl_route_sched(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000340)=@newtaction={0x80, 0x30, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [{0x6c, 0x1, [@m_skbedit={0x38, 0x1, 0x0, 0x0, {{0xc}, {0xc, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x1}]}, {0x4}, {0xc}, {0xc, 0x8, {0x3, 0x3}}}}, @m_skbedit={0x30, 0x2, 0x0, 0x0, {{0xc}, {0x4}, {0x4}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x3}}}}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4081}, 0x2400c808)
r4 = add_key(&(0x7f0000000000)='keyring\x00', &(0x7f0000000100)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffc)
r5 = add_key(&(0x7f0000000040)='asymmetric\x00', 0x0, &(0x7f0000000200)="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", 0x559, r4)
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000480)='./file0\x00', 0x20400049, &(0x7f0000000c40)={[{@nombcache}, {@abort}, {@nojournal_checksum}, {@grpid}, {@nolazytime}, {@noblock_validity}, {@resgid}, {@nobarrier}, {@jqfmt_vfsold}]}, 0x84, 0x4b2, &(0x7f0000000580)="$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")
r6 = openat(0xffffffffffffff9c, &(0x7f0000004280)='.\x00', 0x0, 0x0)
getdents64(r6, 0x0, 0x0)
mmap$IORING_OFF_SQ_RING(0x0, 0x8000, 0x2, 0x2172, 0xffffffffffffffff, 0x0)
keyctl$KEYCTL_PKEY_ENCRYPT(0x19, &(0x7f0000000780)={r5, 0x41}, &(0x7f00000007c0)=ANY=[@ANYBLOB='enc=pkcs1 hash=sha224'], 0x0, 0x0)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-socket$inet6_tcp-setsockopt$inet6_buf-sendmsg$nl_route_sched-add_key-add_key-syz_mount_image$ext4-openat-getdents64-mmap$IORING_OFF_SQ_RING-keyctl$KEYCTL_PKEY_ENCRYPT
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_buf(r3, 0x29, 0x20, &(0x7f0000000080)="0bbb268dd6ffa80800000000000000000000210d0000aaa8fa017242ba9380d4120000000000000029000000040000001ee1", 0x32)
sendmsg$nl_route_sched(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000340)=@newtaction={0x80, 0x30, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [{0x6c, 0x1, [@m_skbedit={0x38, 0x1, 0x0, 0x0, {{0xc}, {0xc, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x1}]}, {0x4}, {0xc}, {0xc, 0x8, {0x3, 0x3}}}}, @m_skbedit={0x30, 0x2, 0x0, 0x0, {{0xc}, {0x4}, {0x4}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x3}}}}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4081}, 0x2400c808)
r4 = add_key(&(0x7f0000000000)='keyring\x00', &(0x7f0000000100)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffc)
r5 = add_key(&(0x7f0000000040)='asymmetric\x00', 0x0, &(0x7f0000000200)="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", 0x559, r4)
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000480)='./file0\x00', 0x20400049, &(0x7f0000000c40)={[{@nombcache}, {@abort}, {@nojournal_checksum}, {@grpid}, {@nolazytime}, {@noblock_validity}, {@resgid}, {@nobarrier}, {@jqfmt_vfsold}]}, 0x84, 0x4b2, &(0x7f0000000580)="$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")
r6 = openat(0xffffffffffffff9c, &(0x7f0000004280)='.\x00', 0x0, 0x0)
getdents64(r6, 0x0, 0x0)
mmap$IORING_OFF_SQ_RING(0x0, 0x8000, 0x2, 0x2172, 0xffffffffffffffff, 0x0)
keyctl$KEYCTL_PKEY_ENCRYPT(0x19, &(0x7f0000000780)={r5, 0x41}, &(0x7f00000007c0)=ANY=[@ANYBLOB='enc=pkcs1 hash=sha224'], 0x0, 0x0)

program did not crash
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-socket$inet6_tcp-setsockopt$inet6_buf-sendmsg$nl_route_sched-add_key-add_key-syz_mount_image$ext4-openat-getdents64-mmap$IORING_OFF_SQ_RING-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_buf(r3, 0x29, 0x20, &(0x7f0000000080)="0bbb268dd6ffa80800000000000000000000210d0000aaa8fa017242ba9380d4120000000000000029000000040000001ee1", 0x32)
sendmsg$nl_route_sched(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000340)=@newtaction={0x80, 0x30, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [{0x6c, 0x1, [@m_skbedit={0x38, 0x1, 0x0, 0x0, {{0xc}, {0xc, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x1}]}, {0x4}, {0xc}, {0xc, 0x8, {0x3, 0x3}}}}, @m_skbedit={0x30, 0x2, 0x0, 0x0, {{0xc}, {0x4}, {0x4}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x3}}}}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4081}, 0x2400c808)
r4 = add_key(&(0x7f0000000000)='keyring\x00', &(0x7f0000000100)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffc)
add_key(&(0x7f0000000040)='asymmetric\x00', 0x0, &(0x7f0000000200)="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", 0x559, r4)
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000480)='./file0\x00', 0x20400049, &(0x7f0000000c40)={[{@nombcache}, {@abort}, {@nojournal_checksum}, {@grpid}, {@nolazytime}, {@noblock_validity}, {@resgid}, {@nobarrier}, {@jqfmt_vfsold}]}, 0x84, 0x4b2, &(0x7f0000000580)="$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")
r5 = openat(0xffffffffffffff9c, &(0x7f0000004280)='.\x00', 0x0, 0x0)
getdents64(r5, 0x0, 0x0)
mmap$IORING_OFF_SQ_RING(0x0, 0x8000, 0x2, 0x2172, 0xffffffffffffffff, 0x0)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-socket$inet6_tcp-setsockopt$inet6_buf-sendmsg$nl_route_sched-add_key-add_key-syz_mount_image$ext4-openat-getdents64-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_buf(r3, 0x29, 0x20, &(0x7f0000000080)="0bbb268dd6ffa80800000000000000000000210d0000aaa8fa017242ba9380d4120000000000000029000000040000001ee1", 0x32)
sendmsg$nl_route_sched(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000340)=@newtaction={0x80, 0x30, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [{0x6c, 0x1, [@m_skbedit={0x38, 0x1, 0x0, 0x0, {{0xc}, {0xc, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x1}]}, {0x4}, {0xc}, {0xc, 0x8, {0x3, 0x3}}}}, @m_skbedit={0x30, 0x2, 0x0, 0x0, {{0xc}, {0x4}, {0x4}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x3}}}}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4081}, 0x2400c808)
r4 = add_key(&(0x7f0000000000)='keyring\x00', &(0x7f0000000100)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffc)
add_key(&(0x7f0000000040)='asymmetric\x00', 0x0, &(0x7f0000000200)="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", 0x559, r4)
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000480)='./file0\x00', 0x20400049, &(0x7f0000000c40)={[{@nombcache}, {@abort}, {@nojournal_checksum}, {@grpid}, {@nolazytime}, {@noblock_validity}, {@resgid}, {@nobarrier}, {@jqfmt_vfsold}]}, 0x84, 0x4b2, &(0x7f0000000580)="$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")
r5 = openat(0xffffffffffffff9c, &(0x7f0000004280)='.\x00', 0x0, 0x0)
getdents64(r5, 0x0, 0x0)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-socket$inet6_tcp-setsockopt$inet6_buf-sendmsg$nl_route_sched-add_key-add_key-syz_mount_image$ext4-openat-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_buf(r3, 0x29, 0x20, &(0x7f0000000080)="0bbb268dd6ffa80800000000000000000000210d0000aaa8fa017242ba9380d4120000000000000029000000040000001ee1", 0x32)
sendmsg$nl_route_sched(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000340)=@newtaction={0x80, 0x30, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [{0x6c, 0x1, [@m_skbedit={0x38, 0x1, 0x0, 0x0, {{0xc}, {0xc, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x1}]}, {0x4}, {0xc}, {0xc, 0x8, {0x3, 0x3}}}}, @m_skbedit={0x30, 0x2, 0x0, 0x0, {{0xc}, {0x4}, {0x4}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x3}}}}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4081}, 0x2400c808)
r4 = add_key(&(0x7f0000000000)='keyring\x00', &(0x7f0000000100)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffc)
add_key(&(0x7f0000000040)='asymmetric\x00', 0x0, &(0x7f0000000200)="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", 0x559, r4)
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000480)='./file0\x00', 0x20400049, &(0x7f0000000c40)={[{@nombcache}, {@abort}, {@nojournal_checksum}, {@grpid}, {@nolazytime}, {@noblock_validity}, {@resgid}, {@nobarrier}, {@jqfmt_vfsold}]}, 0x84, 0x4b2, &(0x7f0000000580)="$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")
openat(0xffffffffffffff9c, &(0x7f0000004280)='.\x00', 0x0, 0x0)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-socket$inet6_tcp-setsockopt$inet6_buf-sendmsg$nl_route_sched-add_key-add_key-syz_mount_image$ext4-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_buf(r3, 0x29, 0x20, &(0x7f0000000080)="0bbb268dd6ffa80800000000000000000000210d0000aaa8fa017242ba9380d4120000000000000029000000040000001ee1", 0x32)
sendmsg$nl_route_sched(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000340)=@newtaction={0x80, 0x30, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [{0x6c, 0x1, [@m_skbedit={0x38, 0x1, 0x0, 0x0, {{0xc}, {0xc, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x1}]}, {0x4}, {0xc}, {0xc, 0x8, {0x3, 0x3}}}}, @m_skbedit={0x30, 0x2, 0x0, 0x0, {{0xc}, {0x4}, {0x4}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x3}}}}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4081}, 0x2400c808)
r4 = add_key(&(0x7f0000000000)='keyring\x00', &(0x7f0000000100)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffc)
add_key(&(0x7f0000000040)='asymmetric\x00', 0x0, &(0x7f0000000200)="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", 0x559, r4)
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000480)='./file0\x00', 0x20400049, &(0x7f0000000c40)={[{@nombcache}, {@abort}, {@nojournal_checksum}, {@grpid}, {@nolazytime}, {@noblock_validity}, {@resgid}, {@nobarrier}, {@jqfmt_vfsold}]}, 0x84, 0x4b2, &(0x7f0000000580)="$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")
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-socket$inet6_tcp-setsockopt$inet6_buf-sendmsg$nl_route_sched-add_key-add_key-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_buf(r3, 0x29, 0x20, &(0x7f0000000080)="0bbb268dd6ffa80800000000000000000000210d0000aaa8fa017242ba9380d4120000000000000029000000040000001ee1", 0x32)
sendmsg$nl_route_sched(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000340)=@newtaction={0x80, 0x30, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [{0x6c, 0x1, [@m_skbedit={0x38, 0x1, 0x0, 0x0, {{0xc}, {0xc, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x1}]}, {0x4}, {0xc}, {0xc, 0x8, {0x3, 0x3}}}}, @m_skbedit={0x30, 0x2, 0x0, 0x0, {{0xc}, {0x4}, {0x4}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x3}}}}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4081}, 0x2400c808)
r4 = add_key(&(0x7f0000000000)='keyring\x00', &(0x7f0000000100)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffc)
add_key(&(0x7f0000000040)='asymmetric\x00', 0x0, &(0x7f0000000200)="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", 0x559, r4)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-socket$inet6_tcp-setsockopt$inet6_buf-sendmsg$nl_route_sched-add_key-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_buf(r3, 0x29, 0x20, &(0x7f0000000080)="0bbb268dd6ffa80800000000000000000000210d0000aaa8fa017242ba9380d4120000000000000029000000040000001ee1", 0x32)
sendmsg$nl_route_sched(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000340)=@newtaction={0x80, 0x30, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [{0x6c, 0x1, [@m_skbedit={0x38, 0x1, 0x0, 0x0, {{0xc}, {0xc, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x1}]}, {0x4}, {0xc}, {0xc, 0x8, {0x3, 0x3}}}}, @m_skbedit={0x30, 0x2, 0x0, 0x0, {{0xc}, {0x4}, {0x4}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x3}}}}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4081}, 0x2400c808)
add_key(&(0x7f0000000000)='keyring\x00', &(0x7f0000000100)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffc)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-socket$inet6_tcp-setsockopt$inet6_buf-sendmsg$nl_route_sched-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_buf(r3, 0x29, 0x20, &(0x7f0000000080)="0bbb268dd6ffa80800000000000000000000210d0000aaa8fa017242ba9380d4120000000000000029000000040000001ee1", 0x32)
sendmsg$nl_route_sched(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000340)=@newtaction={0x80, 0x30, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [{0x6c, 0x1, [@m_skbedit={0x38, 0x1, 0x0, 0x0, {{0xc}, {0xc, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x1}]}, {0x4}, {0xc}, {0xc, 0x8, {0x3, 0x3}}}}, @m_skbedit={0x30, 0x2, 0x0, 0x0, {{0xc}, {0x4}, {0x4}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x3}}}}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4081}, 0x2400c808)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-socket$inet6_tcp-setsockopt$inet6_buf-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
r2 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_buf(r2, 0x29, 0x20, &(0x7f0000000080)="0bbb268dd6ffa80800000000000000000000210d0000aaa8fa017242ba9380d4120000000000000029000000040000001ee1", 0x32)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-socket$inet6_tcp-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
socket$inet6_tcp(0xa, 0x1, 0x0)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-socket$nl_route-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-getsockname-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
getsockname(r0, 0x0, 0x0)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-socket$inet6_udp-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")

program did not crash
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$pppl2tp-connect$pppl2tp-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")

program did not crash
testing program (duration=37.201699177s, {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}}): prctl$PR_CAPBSET_DROP-socket$inet6_udp-connect$pppl2tp-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
prctl$PR_CAPBSET_DROP(0x18, 0x5)
r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(0xffffffffffffffff, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r0, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
ioctl$PPPIOCGL2TPSTATS(0xffffffffffffffff, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")

program did not crash
testing program (duration=37.201699177s, {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$pppl2tp-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=37.201699177s, {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$pppl2tp-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, 0x0, 0x0)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000480)="07814cc51fc56e069a94c0479b31a16fa588b3185e3793625032701a6a640a577ce4dfce24c5b06f19a90bb80eca43ebf6ceb418a89ae30e")

program did not crash
testing program (duration=37.201699177s, {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$pppl2tp-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
extracting C reproducer
testing compiled C program (duration=37.201699177s, {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$pppl2tp-ioctl$PPPIOCGL2TPSTATS
program crashed: KASAN: use-after-free Write in pppol2tp_release
simplifying C reproducer
testing compiled C program (duration=37.201699177s, {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$pppl2tp-ioctl$PPPIOCGL2TPSTATS
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=37.201699177s, {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$pppl2tp-ioctl$PPPIOCGL2TPSTATS
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=37.201699177s, {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$pppl2tp-ioctl$PPPIOCGL2TPSTATS
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=37.201699177s, {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$pppl2tp-ioctl$PPPIOCGL2TPSTATS
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=37.201699177s, {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$pppl2tp-ioctl$PPPIOCGL2TPSTATS
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=37.201699177s, {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$pppl2tp-ioctl$PPPIOCGL2TPSTATS
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=37.201699177s, {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$pppl2tp-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
validation run: crashed=true
testing program (duration=37.201699177s, {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$pppl2tp-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
validation run: crashed=true
testing program (duration=37.201699177s, {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$pppl2tp-ioctl$PPPIOCGL2TPSTATS
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
validation run: crashed=true
reproducing took 28m8.581680679s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in pppol2tp_sock_to_session+0x1a0/0x1b0 net/l2tp/l2tp_ppp.c:156
Read of size 4 at addr ffff88811bac4000 by task syz.2.17/374

CPU: 1 PID: 374 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
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308
 pppol2tp_sock_to_session+0x1a0/0x1b0 net/l2tp/l2tp_ppp.c:156
 pppol2tp_release+0x150/0x2b0 net/l2tp/l2tp_ppp.c:435
 __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: 0033:0x7fb2e0b060d9
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:00007ffe861d7288 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffe861d7370 RCX: 00007fb2e0b060d9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000006da5 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b32f20000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb2e0d8dfac R14: 00007fb2e0d8dfa8 R15: 00007fb2e0d8dfa0
 </TASK>

Allocated by task 374:
 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 10:
 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
 l2tp_tunnel_closeall net/l2tp/l2tp_core.c:1235 [inline]
 l2tp_tunnel_del_work+0x180/0x3d0 net/l2tp/l2tp_core.c:1273
 process_one_work+0x6c8/0xbb0 kernel/workqueue.c:2328
 worker_thread+0xaa0/0x1250 kernel/workqueue.c:2475
 kthread+0x3f5/0x4f0 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

The buggy address belongs to the object at ffff88811bac4000
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 0 bytes inside of
 512-byte region [ffff88811bac4000, ffff88811bac4200)
The buggy address belongs to the page:
page:ffffea00046eb100 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11bac4
head:ffffea00046eb100 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 45, ts 28031555825, free_ts 27049749039
 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]
 nlmsg_new include/net/netlink.h:953 [inline]
 inet6_netconf_notify_devconf+0xd6/0x190 net/ipv6/addrconf.c:585
 __addrconf_sysctl_unregister net/ipv6/addrconf.c:7200 [inline]
 addrconf_exit_net+0x1a6/0x200 net/ipv6/addrconf.c:7305
 ops_exit_list net/core/net_namespace.c:172 [inline]
 cleanup_net+0x58e/0xae0 net/core/net_namespace.c:599
 process_one_work+0x6c8/0xbb0 kernel/workqueue.c:2328
 worker_thread+0xaa0/0x1250 kernel/workqueue.c:2475
 kthread+0x3f5/0x4f0 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1474 [inline]
 free_pcp_prepare mm/page_alloc.c:1546 [inline]
 free_unref_page_prepare+0x5fa/0x600 mm/page_alloc.c:3536
 free_unref_page+0xae/0x540 mm/page_alloc.c:3618
 free_the_page mm/page_alloc.c:805 [inline]
 __free_pages+0x6c/0x100 mm/page_alloc.c:5900
 __vunmap+0x801/0x980 mm/vmalloc.c:2660
 __vfree mm/vmalloc.c:2709 [inline]
 vfree+0x8b/0xc0 mm/vmalloc.c:2740
 kcov_put kernel/kcov.c:417 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:519
 __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
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xb70/0x29a0 kernel/exit.c:890
 do_group_exit+0x149/0x310 kernel/exit.c:1004
 get_signal+0x64f/0x1430 kernel/signal.c:2908
 arch_do_signal_or_restart+0xe2/0x1100 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0xa7/0xe0 kernel/entry/common.c:178
 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

Memory state around the buggy address:
 ffff88811bac3f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88811bac3f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88811bac4000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff88811bac4080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88811bac4100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
------------[ cut here ]------------
WARNING: CPU: 1 PID: 374 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 net/l2tp/l2tp_ppp.c:156
Modules linked in:
CPU: 1 PID: 374 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 net/l2tp/l2tp_ppp.c:156
Code: 5d c3 e8 2c 83 0b fd be 02 00 00 00 eb 0a e8 20 83 0b fd be 01 00 00 00 4c 89 f7 e8 33 02 f2 fd e9 0f ff ff ff e8 09 83 0b fd <0f> 0b 48 89 df e8 ef 00 00 00 eb bd e8 f8 82 0b fd 4c 89 f7 be 03
RSP: 0018:ffffc90000b47d10 EFLAGS: 00010293
RAX: ffffffff845e33d7 RBX: ffff8881297bd000 RCX: ffff8881114693c0
RDX: 0000000000000000 RSI: 000000000cacc5c0 RDI: 000000000c04eb7d
RBP: ffffc90000b47d30 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff0e18e4c R12: dffffc0000000000
R13: dffffc0000000000 R14: 000000000cacc5c0 R15: ffff88811bac4000
FS:  000055558cb73500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb2e0b537c0 CR3: 000000012e1c8000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 pppol2tp_release+0x150/0x2b0 net/l2tp/l2tp_ppp.c:435
 __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: 0033:0x7fb2e0b060d9
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:00007ffe861d7288 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffe861d7370 RCX: 00007fb2e0b060d9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000006da5 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b32f20000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb2e0d8dfac R14: 00007fb2e0d8dfa8 R15: 00007fb2e0d8dfa0
 </TASK>
---[ end trace 404456269e79e8af ]---

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in pppol2tp_sock_to_session+0x1a0/0x1b0 net/l2tp/l2tp_ppp.c:156
Read of size 4 at addr ffff88811bac4000 by task syz.2.17/374

CPU: 1 PID: 374 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
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308
 pppol2tp_sock_to_session+0x1a0/0x1b0 net/l2tp/l2tp_ppp.c:156
 pppol2tp_release+0x150/0x2b0 net/l2tp/l2tp_ppp.c:435
 __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: 0033:0x7fb2e0b060d9
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:00007ffe861d7288 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffe861d7370 RCX: 00007fb2e0b060d9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000006da5 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b32f20000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb2e0d8dfac R14: 00007fb2e0d8dfa8 R15: 00007fb2e0d8dfa0
 </TASK>

Allocated by task 374:
 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 10:
 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
 l2tp_tunnel_closeall net/l2tp/l2tp_core.c:1235 [inline]
 l2tp_tunnel_del_work+0x180/0x3d0 net/l2tp/l2tp_core.c:1273
 process_one_work+0x6c8/0xbb0 kernel/workqueue.c:2328
 worker_thread+0xaa0/0x1250 kernel/workqueue.c:2475
 kthread+0x3f5/0x4f0 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

The buggy address belongs to the object at ffff88811bac4000
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 0 bytes inside of
 512-byte region [ffff88811bac4000, ffff88811bac4200)
The buggy address belongs to the page:
page:ffffea00046eb100 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11bac4
head:ffffea00046eb100 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 45, ts 28031555825, free_ts 27049749039
 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]
 nlmsg_new include/net/netlink.h:953 [inline]
 inet6_netconf_notify_devconf+0xd6/0x190 net/ipv6/addrconf.c:585
 __addrconf_sysctl_unregister net/ipv6/addrconf.c:7200 [inline]
 addrconf_exit_net+0x1a6/0x200 net/ipv6/addrconf.c:7305
 ops_exit_list net/core/net_namespace.c:172 [inline]
 cleanup_net+0x58e/0xae0 net/core/net_namespace.c:599
 process_one_work+0x6c8/0xbb0 kernel/workqueue.c:2328
 worker_thread+0xaa0/0x1250 kernel/workqueue.c:2475
 kthread+0x3f5/0x4f0 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1474 [inline]
 free_pcp_prepare mm/page_alloc.c:1546 [inline]
 free_unref_page_prepare+0x5fa/0x600 mm/page_alloc.c:3536
 free_unref_page+0xae/0x540 mm/page_alloc.c:3618
 free_the_page mm/page_alloc.c:805 [inline]
 __free_pages+0x6c/0x100 mm/page_alloc.c:5900
 __vunmap+0x801/0x980 mm/vmalloc.c:2660
 __vfree mm/vmalloc.c:2709 [inline]
 vfree+0x8b/0xc0 mm/vmalloc.c:2740
 kcov_put kernel/kcov.c:417 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:519
 __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
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xb70/0x29a0 kernel/exit.c:890
 do_group_exit+0x149/0x310 kernel/exit.c:1004
 get_signal+0x64f/0x1430 kernel/signal.c:2908
 arch_do_signal_or_restart+0xe2/0x1100 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0xa7/0xe0 kernel/entry/common.c:178
 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

Memory state around the buggy address:
 ffff88811bac3f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88811bac3f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88811bac4000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff88811bac4080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88811bac4100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
------------[ cut here ]------------
WARNING: CPU: 1 PID: 374 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 net/l2tp/l2tp_ppp.c:156
Modules linked in:
CPU: 1 PID: 374 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 net/l2tp/l2tp_ppp.c:156
Code: 5d c3 e8 2c 83 0b fd be 02 00 00 00 eb 0a e8 20 83 0b fd be 01 00 00 00 4c 89 f7 e8 33 02 f2 fd e9 0f ff ff ff e8 09 83 0b fd <0f> 0b 48 89 df e8 ef 00 00 00 eb bd e8 f8 82 0b fd 4c 89 f7 be 03
RSP: 0018:ffffc90000b47d10 EFLAGS: 00010293
RAX: ffffffff845e33d7 RBX: ffff8881297bd000 RCX: ffff8881114693c0
RDX: 0000000000000000 RSI: 000000000cacc5c0 RDI: 000000000c04eb7d
RBP: ffffc90000b47d30 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff0e18e4c R12: dffffc0000000000
R13: dffffc0000000000 R14: 000000000cacc5c0 R15: ffff88811bac4000
FS:  000055558cb73500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb2e0b537c0 CR3: 000000012e1c8000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 pppol2tp_release+0x150/0x2b0 net/l2tp/l2tp_ppp.c:435
 __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: 0033:0x7fb2e0b060d9
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:00007ffe861d7288 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffe861d7370 RCX: 00007fb2e0b060d9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000006da5 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b32f20000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb2e0d8dfac R14: 00007fb2e0d8dfa8 R15: 00007fb2e0d8dfa0
 </TASK>
---[ end trace 404456269e79e8af ]---