Extracting prog: 1m32.748990988s Minimizing prog: 30m34.060770502s Simplifying prog options: 0s Extracting C: 23.656619475s Simplifying C: 3m3.633294275s extracting reproducer from 87 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs: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}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP-ioctl$SIOCSIFHWADDR-socketpair$nbd-socketpair$nbd-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_GET_NEXT_KEY-bpf$MAP_GET_NEXT_KEY-ioctl$SIOCSIFHWADDR-ioctl$SIOCSIFHWADDR-socket$pppl2tp-connect$pppl2tp-openat$vhost_vsock-openat$vhost_vsock-ioctl$VHOST_SET_VRING_BASE-ioctl$VHOST_SET_FEATURES-ioctl$VHOST_SET_FEATURES-ioctl$VHOST_SET_MEM_TABLE-ioctl$VHOST_VSOCK_SET_RUNNING-syz_open_procfs-read$FUSE detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r4, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) r5 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f00000024c0)={'bridge0\x00', @remote}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$MAP_CREATE(0x0, &(0x7f0000002540)=ANY=[@ANYBLOB="0e00000004000000040000000e"], 0x50) bpf$MAP_CREATE(0x0, 0x0, 0x0) (async) bpf$MAP_CREATE(0x0, 0x0, 0x0) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) (async) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) (async) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) r7 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r7, &(0x7f0000000200)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x0, @dev}, 0x2}}, 0x2e) openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) r8 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) ioctl$VHOST_SET_VRING_BASE(r8, 0xaf01, 0x0) ioctl$VHOST_SET_FEATURES(r8, 0x4008af00, &(0x7f0000000040)=0x4000000) (async) ioctl$VHOST_SET_FEATURES(r8, 0x4008af00, &(0x7f0000000040)=0x4000000) ioctl$VHOST_SET_MEM_TABLE(r8, 0x4008af03, &(0x7f00000047c0)={0x5, 0x0, [{0x40000, 0x4d, &(0x7f00000000c0)=""/77}, {0x4000, 0x1000, &(0x7f0000002680)=""/4096}, {0x4000, 0x39, &(0x7f0000003680)=""/57}, {0x1ffe, 0x1000, &(0x7f00000036c0)=""/4096}, {0x6000, 0xfd, &(0x7f00000046c0)=""/253}]}) ioctl$VHOST_VSOCK_SET_RUNNING(r8, 0x4004af61, &(0x7f0000000140)=0x2) r9 = syz_open_procfs(0x0, &(0x7f0000000400)='net/vlan/vlan0\x00') read$FUSE(r9, &(0x7f0000000440)={0x2020}, 0x2020) program crashed: KASAN: use-after-free Read in l2tp_tunnel_get_session single: successfully extracted reproducer found reproducer with 40 syscalls minimizing guilty program testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP-ioctl$SIOCSIFHWADDR-socketpair$nbd-socketpair$nbd-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_GET_NEXT_KEY-bpf$MAP_GET_NEXT_KEY-ioctl$SIOCSIFHWADDR-ioctl$SIOCSIFHWADDR-socket$pppl2tp-connect$pppl2tp-openat$vhost_vsock-openat$vhost_vsock-ioctl$VHOST_SET_VRING_BASE-ioctl$VHOST_SET_FEATURES-ioctl$VHOST_SET_FEATURES-ioctl$VHOST_SET_MEM_TABLE-ioctl$VHOST_VSOCK_SET_RUNNING-syz_open_procfs detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r4, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) r5 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f00000024c0)={'bridge0\x00', @remote}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$MAP_CREATE(0x0, &(0x7f0000002540)=ANY=[@ANYBLOB="0e00000004000000040000000e"], 0x50) bpf$MAP_CREATE(0x0, 0x0, 0x0) (async) bpf$MAP_CREATE(0x0, 0x0, 0x0) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) (async) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) (async) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) r7 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r7, &(0x7f0000000200)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x0, @dev}, 0x2}}, 0x2e) openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) r8 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) ioctl$VHOST_SET_VRING_BASE(r8, 0xaf01, 0x0) ioctl$VHOST_SET_FEATURES(r8, 0x4008af00, &(0x7f0000000040)=0x4000000) (async) ioctl$VHOST_SET_FEATURES(r8, 0x4008af00, &(0x7f0000000040)=0x4000000) ioctl$VHOST_SET_MEM_TABLE(r8, 0x4008af03, &(0x7f00000047c0)={0x5, 0x0, [{0x40000, 0x4d, &(0x7f00000000c0)=""/77}, {0x4000, 0x1000, &(0x7f0000002680)=""/4096}, {0x4000, 0x39, &(0x7f0000003680)=""/57}, {0x1ffe, 0x1000, &(0x7f00000036c0)=""/4096}, {0x6000, 0xfd, &(0x7f00000046c0)=""/253}]}) ioctl$VHOST_VSOCK_SET_RUNNING(r8, 0x4004af61, &(0x7f0000000140)=0x2) syz_open_procfs(0x0, &(0x7f0000000400)='net/vlan/vlan0\x00') program crashed: KASAN: use-after-free Read in l2tp_tunnel_get_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP-ioctl$SIOCSIFHWADDR-socketpair$nbd-socketpair$nbd-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_GET_NEXT_KEY-bpf$MAP_GET_NEXT_KEY-ioctl$SIOCSIFHWADDR-ioctl$SIOCSIFHWADDR-socket$pppl2tp-connect$pppl2tp-openat$vhost_vsock-openat$vhost_vsock-ioctl$VHOST_SET_VRING_BASE-ioctl$VHOST_SET_FEATURES-ioctl$VHOST_SET_FEATURES-ioctl$VHOST_SET_MEM_TABLE-ioctl$VHOST_VSOCK_SET_RUNNING detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r4, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) r5 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f00000024c0)={'bridge0\x00', @remote}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$MAP_CREATE(0x0, &(0x7f0000002540)=ANY=[@ANYBLOB="0e00000004000000040000000e"], 0x50) bpf$MAP_CREATE(0x0, 0x0, 0x0) (async) bpf$MAP_CREATE(0x0, 0x0, 0x0) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) (async) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) (async) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) r7 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r7, &(0x7f0000000200)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x0, @dev}, 0x2}}, 0x2e) openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) r8 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) ioctl$VHOST_SET_VRING_BASE(r8, 0xaf01, 0x0) ioctl$VHOST_SET_FEATURES(r8, 0x4008af00, &(0x7f0000000040)=0x4000000) (async) ioctl$VHOST_SET_FEATURES(r8, 0x4008af00, &(0x7f0000000040)=0x4000000) ioctl$VHOST_SET_MEM_TABLE(r8, 0x4008af03, &(0x7f00000047c0)={0x5, 0x0, [{0x40000, 0x4d, &(0x7f00000000c0)=""/77}, {0x4000, 0x1000, &(0x7f0000002680)=""/4096}, {0x4000, 0x39, &(0x7f0000003680)=""/57}, {0x1ffe, 0x1000, &(0x7f00000036c0)=""/4096}, {0x6000, 0xfd, &(0x7f00000046c0)=""/253}]}) ioctl$VHOST_VSOCK_SET_RUNNING(r8, 0x4004af61, &(0x7f0000000140)=0x2) program crashed: KASAN: use-after-free Read in l2tp_tunnel_get_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP-ioctl$SIOCSIFHWADDR-socketpair$nbd-socketpair$nbd-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_GET_NEXT_KEY-bpf$MAP_GET_NEXT_KEY-ioctl$SIOCSIFHWADDR-ioctl$SIOCSIFHWADDR-socket$pppl2tp-connect$pppl2tp-openat$vhost_vsock-openat$vhost_vsock-ioctl$VHOST_SET_VRING_BASE-ioctl$VHOST_SET_FEATURES-ioctl$VHOST_SET_FEATURES-ioctl$VHOST_SET_MEM_TABLE detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r4, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) r5 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f00000024c0)={'bridge0\x00', @remote}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$MAP_CREATE(0x0, &(0x7f0000002540)=ANY=[@ANYBLOB="0e00000004000000040000000e"], 0x50) bpf$MAP_CREATE(0x0, 0x0, 0x0) (async) bpf$MAP_CREATE(0x0, 0x0, 0x0) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) (async) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) (async) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) r7 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r7, &(0x7f0000000200)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x0, @dev}, 0x2}}, 0x2e) openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) r8 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) ioctl$VHOST_SET_VRING_BASE(r8, 0xaf01, 0x0) ioctl$VHOST_SET_FEATURES(r8, 0x4008af00, &(0x7f0000000040)=0x4000000) (async) ioctl$VHOST_SET_FEATURES(r8, 0x4008af00, &(0x7f0000000040)=0x4000000) ioctl$VHOST_SET_MEM_TABLE(r8, 0x4008af03, &(0x7f00000047c0)={0x5, 0x0, [{0x40000, 0x4d, &(0x7f00000000c0)=""/77}, {0x4000, 0x1000, &(0x7f0000002680)=""/4096}, {0x4000, 0x39, &(0x7f0000003680)=""/57}, {0x1ffe, 0x1000, &(0x7f00000036c0)=""/4096}, {0x6000, 0xfd, &(0x7f00000046c0)=""/253}]}) program crashed: KASAN: use-after-free Read in l2tp_tunnel_get_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP-ioctl$SIOCSIFHWADDR-socketpair$nbd-socketpair$nbd-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_GET_NEXT_KEY-bpf$MAP_GET_NEXT_KEY-ioctl$SIOCSIFHWADDR-ioctl$SIOCSIFHWADDR-socket$pppl2tp-connect$pppl2tp-openat$vhost_vsock-openat$vhost_vsock-ioctl$VHOST_SET_VRING_BASE-ioctl$VHOST_SET_FEATURES-ioctl$VHOST_SET_FEATURES detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r4, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) r5 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f00000024c0)={'bridge0\x00', @remote}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$MAP_CREATE(0x0, &(0x7f0000002540)=ANY=[@ANYBLOB="0e00000004000000040000000e"], 0x50) bpf$MAP_CREATE(0x0, 0x0, 0x0) (async) bpf$MAP_CREATE(0x0, 0x0, 0x0) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) (async) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) (async) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) r7 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r7, &(0x7f0000000200)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x0, @dev}, 0x2}}, 0x2e) openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) r8 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) ioctl$VHOST_SET_VRING_BASE(r8, 0xaf01, 0x0) ioctl$VHOST_SET_FEATURES(r8, 0x4008af00, &(0x7f0000000040)=0x4000000) (async) ioctl$VHOST_SET_FEATURES(r8, 0x4008af00, &(0x7f0000000040)=0x4000000) program crashed: KASAN: use-after-free Read in l2tp_tunnel_get_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP-ioctl$SIOCSIFHWADDR-socketpair$nbd-socketpair$nbd-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_GET_NEXT_KEY-bpf$MAP_GET_NEXT_KEY-ioctl$SIOCSIFHWADDR-ioctl$SIOCSIFHWADDR-socket$pppl2tp-connect$pppl2tp-openat$vhost_vsock-openat$vhost_vsock-ioctl$VHOST_SET_VRING_BASE-ioctl$VHOST_SET_FEATURES detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r4, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) r5 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f00000024c0)={'bridge0\x00', @remote}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$MAP_CREATE(0x0, &(0x7f0000002540)=ANY=[@ANYBLOB="0e00000004000000040000000e"], 0x50) bpf$MAP_CREATE(0x0, 0x0, 0x0) (async) bpf$MAP_CREATE(0x0, 0x0, 0x0) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) (async) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) (async) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) r7 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r7, &(0x7f0000000200)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x0, @dev}, 0x2}}, 0x2e) openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) r8 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) ioctl$VHOST_SET_VRING_BASE(r8, 0xaf01, 0x0) ioctl$VHOST_SET_FEATURES(r8, 0x4008af00, &(0x7f0000000040)=0x4000000) (async) program crashed: KASAN: use-after-free Read in l2tp_tunnel_get_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP-ioctl$SIOCSIFHWADDR-socketpair$nbd-socketpair$nbd-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_GET_NEXT_KEY-bpf$MAP_GET_NEXT_KEY-ioctl$SIOCSIFHWADDR-ioctl$SIOCSIFHWADDR-socket$pppl2tp-connect$pppl2tp-openat$vhost_vsock-openat$vhost_vsock-ioctl$VHOST_SET_VRING_BASE detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r4, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) r5 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f00000024c0)={'bridge0\x00', @remote}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$MAP_CREATE(0x0, &(0x7f0000002540)=ANY=[@ANYBLOB="0e00000004000000040000000e"], 0x50) bpf$MAP_CREATE(0x0, 0x0, 0x0) (async) bpf$MAP_CREATE(0x0, 0x0, 0x0) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) (async) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) (async) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) r7 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r7, &(0x7f0000000200)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x0, @dev}, 0x2}}, 0x2e) openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) r8 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) ioctl$VHOST_SET_VRING_BASE(r8, 0xaf01, 0x0) program crashed: KASAN: use-after-free Read in l2tp_tunnel_get_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP-ioctl$SIOCSIFHWADDR-socketpair$nbd-socketpair$nbd-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_GET_NEXT_KEY-bpf$MAP_GET_NEXT_KEY-ioctl$SIOCSIFHWADDR-ioctl$SIOCSIFHWADDR-socket$pppl2tp-connect$pppl2tp-openat$vhost_vsock-openat$vhost_vsock detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r4, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) r5 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f00000024c0)={'bridge0\x00', @remote}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$MAP_CREATE(0x0, &(0x7f0000002540)=ANY=[@ANYBLOB="0e00000004000000040000000e"], 0x50) bpf$MAP_CREATE(0x0, 0x0, 0x0) (async) bpf$MAP_CREATE(0x0, 0x0, 0x0) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) (async) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) (async) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) r7 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r7, &(0x7f0000000200)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x0, @dev}, 0x2}}, 0x2e) openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) program crashed: KASAN: use-after-free Read in l2tp_tunnel_get_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP-ioctl$SIOCSIFHWADDR-socketpair$nbd-socketpair$nbd-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_GET_NEXT_KEY-bpf$MAP_GET_NEXT_KEY-ioctl$SIOCSIFHWADDR-ioctl$SIOCSIFHWADDR-socket$pppl2tp-connect$pppl2tp-openat$vhost_vsock detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r4, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) r5 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f00000024c0)={'bridge0\x00', @remote}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$MAP_CREATE(0x0, &(0x7f0000002540)=ANY=[@ANYBLOB="0e00000004000000040000000e"], 0x50) bpf$MAP_CREATE(0x0, 0x0, 0x0) (async) bpf$MAP_CREATE(0x0, 0x0, 0x0) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) (async) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) (async) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) r7 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r7, &(0x7f0000000200)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x0, @dev}, 0x2}}, 0x2e) openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) program crashed: KASAN: use-after-free Read in l2tp_tunnel_get_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP-ioctl$SIOCSIFHWADDR-socketpair$nbd-socketpair$nbd-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_GET_NEXT_KEY-bpf$MAP_GET_NEXT_KEY-ioctl$SIOCSIFHWADDR-ioctl$SIOCSIFHWADDR-socket$pppl2tp-connect$pppl2tp detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r4, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) r5 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f00000024c0)={'bridge0\x00', @remote}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$MAP_CREATE(0x0, &(0x7f0000002540)=ANY=[@ANYBLOB="0e00000004000000040000000e"], 0x50) bpf$MAP_CREATE(0x0, 0x0, 0x0) (async) bpf$MAP_CREATE(0x0, 0x0, 0x0) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) (async) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) (async) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) r7 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r7, &(0x7f0000000200)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x0, @dev}, 0x2}}, 0x2e) program crashed: KASAN: use-after-free Read in l2tp_tunnel_get_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP-ioctl$SIOCSIFHWADDR-socketpair$nbd-socketpair$nbd-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_GET_NEXT_KEY-bpf$MAP_GET_NEXT_KEY-ioctl$SIOCSIFHWADDR-ioctl$SIOCSIFHWADDR-socket$pppl2tp detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r4, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) r5 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f00000024c0)={'bridge0\x00', @remote}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$MAP_CREATE(0x0, &(0x7f0000002540)=ANY=[@ANYBLOB="0e00000004000000040000000e"], 0x50) bpf$MAP_CREATE(0x0, 0x0, 0x0) (async) bpf$MAP_CREATE(0x0, 0x0, 0x0) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) (async) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) (async) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) socket$pppl2tp(0x18, 0x1, 0x1) program crashed: KASAN: use-after-free Write in l2tp_session_delete 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}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP-ioctl$SIOCSIFHWADDR-socketpair$nbd-socketpair$nbd-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_GET_NEXT_KEY-bpf$MAP_GET_NEXT_KEY-ioctl$SIOCSIFHWADDR-ioctl$SIOCSIFHWADDR detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r4, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) r5 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f00000024c0)={'bridge0\x00', @remote}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$MAP_CREATE(0x0, &(0x7f0000002540)=ANY=[@ANYBLOB="0e00000004000000040000000e"], 0x50) bpf$MAP_CREATE(0x0, 0x0, 0x0) (async) bpf$MAP_CREATE(0x0, 0x0, 0x0) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) (async) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) (async) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) program crashed: KASAN: use-after-free Write in l2tp_session_delete 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}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP-ioctl$SIOCSIFHWADDR-socketpair$nbd-socketpair$nbd-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_GET_NEXT_KEY-bpf$MAP_GET_NEXT_KEY-ioctl$SIOCSIFHWADDR detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r4, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) r5 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f00000024c0)={'bridge0\x00', @remote}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$MAP_CREATE(0x0, &(0x7f0000002540)=ANY=[@ANYBLOB="0e00000004000000040000000e"], 0x50) bpf$MAP_CREATE(0x0, 0x0, 0x0) (async) bpf$MAP_CREATE(0x0, 0x0, 0x0) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) (async) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) ioctl$SIOCSIFHWADDR(r6, 0x89a1, &(0x7f0000002640)={'bridge0\x00', @broadcast}) (async) program crashed: KASAN: use-after-free Write in l2tp_session_delete 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}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP-ioctl$SIOCSIFHWADDR-socketpair$nbd-socketpair$nbd-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_GET_NEXT_KEY-bpf$MAP_GET_NEXT_KEY detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r4, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) r5 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f00000024c0)={'bridge0\x00', @remote}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) bpf$MAP_CREATE(0x0, &(0x7f0000002540)=ANY=[@ANYBLOB="0e00000004000000040000000e"], 0x50) bpf$MAP_CREATE(0x0, 0x0, 0x0) (async) bpf$MAP_CREATE(0x0, 0x0, 0x0) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) (async) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) program crashed: KASAN: use-after-free Write in l2tp_session_delete 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}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP-ioctl$SIOCSIFHWADDR-socketpair$nbd-socketpair$nbd-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_GET_NEXT_KEY detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r4, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) r5 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f00000024c0)={'bridge0\x00', @remote}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) bpf$MAP_CREATE(0x0, &(0x7f0000002540)=ANY=[@ANYBLOB="0e00000004000000040000000e"], 0x50) bpf$MAP_CREATE(0x0, 0x0, 0x0) (async) bpf$MAP_CREATE(0x0, 0x0, 0x0) bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f0000002580)={r5, &(0x7f0000002580), &(0x7f0000002600), 0x2}, 0x20) (async) program crashed: KASAN: use-after-free Write in l2tp_session_delete 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}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP-ioctl$SIOCSIFHWADDR-socketpair$nbd-socketpair$nbd-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_CREATE detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r4, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f00000024c0)={'bridge0\x00', @remote}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) bpf$MAP_CREATE(0x0, &(0x7f0000002540)=ANY=[@ANYBLOB="0e00000004000000040000000e"], 0x50) bpf$MAP_CREATE(0x0, 0x0, 0x0) (async) bpf$MAP_CREATE(0x0, 0x0, 0x0) program crashed: KASAN: use-after-free Write in l2tp_session_delete 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}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP-ioctl$SIOCSIFHWADDR-socketpair$nbd-socketpair$nbd-bpf$MAP_CREATE-bpf$MAP_CREATE detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r4, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f00000024c0)={'bridge0\x00', @remote}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) bpf$MAP_CREATE(0x0, &(0x7f0000002540)=ANY=[@ANYBLOB="0e00000004000000040000000e"], 0x50) bpf$MAP_CREATE(0x0, 0x0, 0x0) (async) program crashed: KASAN: use-after-free Write in l2tp_session_delete 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}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP-ioctl$SIOCSIFHWADDR-socketpair$nbd-socketpair$nbd-bpf$MAP_CREATE detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r4, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f00000024c0)={'bridge0\x00', @remote}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) bpf$MAP_CREATE(0x0, &(0x7f0000002540)=ANY=[@ANYBLOB="0e00000004000000040000000e"], 0x50) program crashed: KASAN: use-after-free Write in l2tp_session_delete 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}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP-ioctl$SIOCSIFHWADDR-socketpair$nbd-socketpair$nbd detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r4, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f00000024c0)={'bridge0\x00', @remote}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) program crashed: KASAN: use-after-free Write in l2tp_session_delete 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}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP-ioctl$SIOCSIFHWADDR-socketpair$nbd detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r4, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f00000024c0)={'bridge0\x00', @remote}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002500)) (async) program crashed: KASAN: use-after-free Write in l2tp_session_delete 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}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP-ioctl$SIOCSIFHWADDR detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r4, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) ioctl$SIOCSIFHWADDR(r3, 0x8914, &(0x7f00000024c0)={'bridge0\x00', @remote}) program crashed: KASAN: use-after-free Write in l2tp_session_delete 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}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP-bpf$PROG_BIND_MAP detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)) r3 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r3, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) program crashed: KASAN: use-after-free Write in l2tp_session_delete 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}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT-bpf$PROG_BIND_MAP detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)) r3 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r3, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) bpf$PROG_BIND_MAP(0xa, &(0x7f0000002480), 0xc) (async) program crashed: KASAN: use-after-free Write in l2tp_session_delete 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}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)) r3 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r3, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) program crashed: KASAN: use-after-free Write in l2tp_session_delete 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}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)) r3 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r3, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-openat detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)) r3 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r3, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) 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}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-openat-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)) r3 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r3, &(0x7f0000000340)=ANY=[], 0x69) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x42, 0x123) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) program crashed: KASAN: use-after-free Write in rcu_segcblist_enqueue 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}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-write$binfmt_elf32-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)) r3 = creat(&(0x7f0000000300)='./file0\x00', 0x7a) write$binfmt_elf32(r3, &(0x7f0000000340)=ANY=[], 0x69) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-creat-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)) creat(&(0x7f0000000300)='./file0\x00', 0x7a) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-socketpair$nbd-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-bpf$BPF_PROG_TEST_RUN-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x7ed}, 0x50) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-mmap$IORING_OFF_SQ_RING-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-unshare-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) unshare(0x24020400) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) r2 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r2, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e2a, @private=0xa010100}, 0x2, 0x9800, 0x0, 0x4}}, 0x2e) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-socket$pppl2tp-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) socket$pppl2tp(0x18, 0x1, 0x1) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$pppl2tp-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) socket$pppl2tp(0x18, 0x1, 0x1) (async) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue 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}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue 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}}): socketpair$unix-socket$pppl2tp-socket$inet6_udp-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) socket$inet6_udp(0xa, 0x2, 0x0) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) 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}}): socketpair$unix-socket$pppl2tp-connect$pppl2tp-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x0, @dev}, 0x2}}, 0x2e) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) 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}}): socketpair$unix-socket$inet6_udp-connect$pppl2tp-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, 0x0) r0 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(0xffffffffffffffff, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r0, {0x2, 0x0, @dev}, 0x2}}, 0x2e) ioctl$EXT4_IOC_MOVE_EXT(0xffffffffffffffff, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) (async) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, 0x0, 0x0) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, &(0x7f00000003c0)={0x17c04, 0xffffffffffffffff, 0x0, 0x6, 0x9c, 0x7fff}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release extracting C reproducer testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$EXT4_IOC_MOVE_EXT program crashed: KASAN: use-after-free Write in pppol2tp_release simplifying C reproducer testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$EXT4_IOC_MOVE_EXT program crashed: KASAN: use-after-free Write in pppol2tp_release testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$EXT4_IOC_MOVE_EXT program crashed: KASAN: use-after-free Write in pppol2tp_release testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$EXT4_IOC_MOVE_EXT program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$EXT4_IOC_MOVE_EXT program did not crash testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$EXT4_IOC_MOVE_EXT program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$EXT4_IOC_MOVE_EXT program did not crash testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, 0x0) program crashed: KASAN: use-after-free Write in rcu_segcblist_enqueue validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, 0x0) program crashed: KASAN: use-after-free Write in rcu_segcblist_enqueue validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$EXT4_IOC_MOVE_EXT detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev}, 0x2}}, 0x2e) ioctl$EXT4_IOC_MOVE_EXT(r0, 0x40305829, 0x0) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session validation run: crashed=true reproducing took 37m12.95359385s 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 ffff88810fc11800 by task syz.2.17/366 CPU: 1 PID: 366 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:435 [inline] kasan_report+0x100/0x140 mm/kasan/report.c:452 __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:597 [inline] sock_close+0xb8/0x200 net/socket.c:1287 __fput+0x2dc/0x730 fs/file_table.c:281 ____fput+0x15/0x20 fs/file_table.c:314 task_work_run+0x127/0x190 kernel/task_work.c:189 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop+0xcb/0xe0 kernel/entry/common.c:175 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:202 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:277 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f6839f1a559 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:00007ffcecedc4f8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007ffcecedc5e0 RCX: 00007f6839f1a559 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 0000000000006845 R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b32920000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f683a1a0fac R14: 00007f683a1a0fa8 R15: 00007f683a1a0fa0 Allocated by task 366: 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:430 [inline] ____kasan_kmalloc mm/kasan/common.c:509 [inline] __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:518 kasan_kmalloc include/linux/kasan.h:254 [inline] __kmalloc+0x19f/0x330 mm/slub.c:4038 kmalloc include/linux/slab.h:560 [inline] kzalloc include/linux/slab.h:667 [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:1867 [inline] __sys_connect+0x3ce/0x450 net/socket.c:1884 __do_sys_connect net/socket.c:1894 [inline] __se_sys_connect net/socket.c:1891 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:1891 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb Freed by task 7: 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:362 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:370 kasan_slab_free include/linux/kasan.h:220 [inline] slab_free_hook mm/slub.c:1600 [inline] slab_free_freelist_hook+0xc5/0x190 mm/slub.c:1626 slab_free mm/slub.c:3208 [inline] kfree+0xc0/0x270 mm/slub.c:4196 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline] l2tp_session_put+0xb2/0x1a0 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+0x6fd/0xbc0 kernel/workqueue.c:2301 worker_thread+0xa8e/0x13c0 kernel/workqueue.c:2447 kthread+0x324/0x3b0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 The buggy address belongs to the object at ffff88810fc11800 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 0 bytes inside of 512-byte region [ffff88810fc11800, ffff88810fc11a00) The buggy address belongs to the page: page:ffffea00043f0400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10fc10 head:ffffea00043f0400 order:2 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head) raw: 4000000000010200 dead000000000100 dead000000000122 ffff888100043080 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 0x152a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 0, ts 26718388834, free_ts 26713842556 set_page_owner include/linux/page_owner.h:35 [inline] post_alloc_hook mm/page_alloc.c:2456 [inline] prep_new_page+0x176/0x190 mm/page_alloc.c:2462 get_page_from_freelist+0x225f/0x23f0 mm/page_alloc.c:4254 __alloc_pages_nodemask+0x29a/0x640 mm/page_alloc.c:5384 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1813 [inline] new_slab+0x84/0x3f0 mm/slub.c:1874 new_slab_objects mm/slub.c:2632 [inline] ___slab_alloc+0x2f8/0x4c0 mm/slub.c:2796 __slab_alloc+0x63/0xa0 mm/slub.c:2836 slab_alloc_node mm/slub.c:2918 [inline] slab_alloc mm/slub.c:2960 [inline] __kmalloc+0x1f9/0x330 mm/slub.c:4034 kmalloc include/linux/slab.h:560 [inline] kzalloc include/linux/slab.h:667 [inline] neigh_alloc net/core/neighbour.c:439 [inline] ___neigh_create+0x6ec/0x1a70 net/core/neighbour.c:592 __neigh_create+0x31/0x40 net/core/neighbour.c:680 ip6_finish_output2+0x8fe/0x1540 net/ipv6/ip6_output.c:129 __ip6_finish_output+0x5fd/0x790 net/ipv6/ip6_output.c:203 ip6_finish_output+0x33/0x1e0 net/ipv6/ip6_output.c:213 NF_HOOK_COND include/linux/netfilter.h:288 [inline] ip6_output+0x1fa/0x420 net/ipv6/ip6_output.c:236 dst_output include/net/dst.h:451 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] mld_sendpack+0x61e/0xb00 net/ipv6/mcast.c:1676 mld_send_cr net/ipv6/mcast.c:1972 [inline] mld_ifc_timer_expire+0x862/0xc60 net/ipv6/mcast.c:2469 call_timer_fn+0x38/0x290 kernel/time/timer.c:1450 page last free stack trace: reset_page_owner include/linux/page_owner.h:28 [inline] free_pages_prepare mm/page_alloc.c:1349 [inline] __free_pages_ok+0x80b/0x830 mm/page_alloc.c:1629 free_the_page mm/page_alloc.c:5445 [inline] __free_pages+0xd8/0x390 mm/page_alloc.c:5454 __free_slab+0xcf/0x190 mm/slub.c:1899 free_slab mm/slub.c:1914 [inline] discard_slab mm/slub.c:1920 [inline] unfreeze_partials+0x150/0x180 mm/slub.c:2415 put_cpu_partial+0xc1/0x180 mm/slub.c:2451 __slab_free+0x2c9/0x3a0 mm/slub.c:3100 do_slab_free mm/slub.c:3196 [inline] ___cache_free+0x10e/0x130 mm/slub.c:3215 qlink_free+0x50/0x90 mm/kasan/quarantine.c:157 qlist_free_all+0x5f/0xb0 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x14a/0x160 mm/kasan/quarantine.c:283 __kasan_slab_alloc+0x2f/0xe0 mm/kasan/common.c:440 kasan_slab_alloc include/linux/kasan.h:244 [inline] slab_post_alloc_hook+0x5d/0x2f0 mm/slab.h:580 slab_alloc_node mm/slub.c:2952 [inline] slab_alloc mm/slub.c:2960 [inline] kmem_cache_alloc+0x15a/0x2d0 mm/slub.c:2965 kmem_cache_alloc_node include/linux/slab.h:426 [inline] __alloc_skb+0x9e/0x520 net/core/skbuff.c:200 alloc_skb include/linux/skbuff.h:1126 [inline] nlmsg_new include/net/netlink.h:953 [inline] netlink_ack+0x35c/0xb30 net/netlink/af_netlink.c:2443 netlink_rcv_skb+0x267/0x430 net/netlink/af_netlink.c:2514 Memory state around the buggy address: ffff88810fc11700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88810fc11780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88810fc11800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88810fc11880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88810fc11900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ------------[ cut here ]------------ WARNING: CPU: 0 PID: 366 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: 366 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 net/l2tp/l2tp_ppp.c:156 Code: 5d c3 e8 ec bd 34 fd be 02 00 00 00 eb 0a e8 e0 bd 34 fd be 01 00 00 00 4c 89 f7 e8 f3 3b 0e fe e9 0f ff ff ff e8 c9 bd 34 fd <0f> 0b 48 89 df e8 ef 00 00 00 eb bd e8 b8 bd 34 fd 4c 89 f7 be 03 RSP: 0018:ffffc90000d17d68 EFLAGS: 00010293 RAX: ffffffff842ff8f7 RBX: ffff88810dd4c800 RCX: ffff88810dc21400 RDX: 0000000000000000 RSI: 000000000aec7aa0 RDI: 000000000c04eb7d RBP: ffffc90000d17d88 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff0dcfa48 R12: dffffc0000000000 R13: dffffc0000000000 R14: 000000000aec7aa0 R15: ffff88810fc11800 FS: 000055555e2b5500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000180 CR3: 0000000127204000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pppol2tp_release+0x150/0x2b0 net/l2tp/l2tp_ppp.c:435 __sock_release net/socket.c:597 [inline] sock_close+0xb8/0x200 net/socket.c:1287 __fput+0x2dc/0x730 fs/file_table.c:281 ____fput+0x15/0x20 fs/file_table.c:314 task_work_run+0x127/0x190 kernel/task_work.c:189 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop+0xcb/0xe0 kernel/entry/common.c:175 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:202 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:277 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f6839f1a559 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:00007ffcecedc4f8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007ffcecedc5e0 RCX: 00007f6839f1a559 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 0000000000006845 R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b32920000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f683a1a0fac R14: 00007f683a1a0fa8 R15: 00007f683a1a0fa0 ---[ end trace 8ec68ceb25ee8831 ]--- 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 ffff88810fc11800 by task syz.2.17/366 CPU: 1 PID: 366 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:435 [inline] kasan_report+0x100/0x140 mm/kasan/report.c:452 __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:597 [inline] sock_close+0xb8/0x200 net/socket.c:1287 __fput+0x2dc/0x730 fs/file_table.c:281 ____fput+0x15/0x20 fs/file_table.c:314 task_work_run+0x127/0x190 kernel/task_work.c:189 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop+0xcb/0xe0 kernel/entry/common.c:175 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:202 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:277 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f6839f1a559 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:00007ffcecedc4f8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007ffcecedc5e0 RCX: 00007f6839f1a559 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 0000000000006845 R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b32920000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f683a1a0fac R14: 00007f683a1a0fa8 R15: 00007f683a1a0fa0 Allocated by task 366: 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:430 [inline] ____kasan_kmalloc mm/kasan/common.c:509 [inline] __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:518 kasan_kmalloc include/linux/kasan.h:254 [inline] __kmalloc+0x19f/0x330 mm/slub.c:4038 kmalloc include/linux/slab.h:560 [inline] kzalloc include/linux/slab.h:667 [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:1867 [inline] __sys_connect+0x3ce/0x450 net/socket.c:1884 __do_sys_connect net/socket.c:1894 [inline] __se_sys_connect net/socket.c:1891 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:1891 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb Freed by task 7: 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:362 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:370 kasan_slab_free include/linux/kasan.h:220 [inline] slab_free_hook mm/slub.c:1600 [inline] slab_free_freelist_hook+0xc5/0x190 mm/slub.c:1626 slab_free mm/slub.c:3208 [inline] kfree+0xc0/0x270 mm/slub.c:4196 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline] l2tp_session_put+0xb2/0x1a0 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+0x6fd/0xbc0 kernel/workqueue.c:2301 worker_thread+0xa8e/0x13c0 kernel/workqueue.c:2447 kthread+0x324/0x3b0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 The buggy address belongs to the object at ffff88810fc11800 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 0 bytes inside of 512-byte region [ffff88810fc11800, ffff88810fc11a00) The buggy address belongs to the page: page:ffffea00043f0400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10fc10 head:ffffea00043f0400 order:2 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head) raw: 4000000000010200 dead000000000100 dead000000000122 ffff888100043080 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 0x152a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 0, ts 26718388834, free_ts 26713842556 set_page_owner include/linux/page_owner.h:35 [inline] post_alloc_hook mm/page_alloc.c:2456 [inline] prep_new_page+0x176/0x190 mm/page_alloc.c:2462 get_page_from_freelist+0x225f/0x23f0 mm/page_alloc.c:4254 __alloc_pages_nodemask+0x29a/0x640 mm/page_alloc.c:5384 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1813 [inline] new_slab+0x84/0x3f0 mm/slub.c:1874 new_slab_objects mm/slub.c:2632 [inline] ___slab_alloc+0x2f8/0x4c0 mm/slub.c:2796 __slab_alloc+0x63/0xa0 mm/slub.c:2836 slab_alloc_node mm/slub.c:2918 [inline] slab_alloc mm/slub.c:2960 [inline] __kmalloc+0x1f9/0x330 mm/slub.c:4034 kmalloc include/linux/slab.h:560 [inline] kzalloc include/linux/slab.h:667 [inline] neigh_alloc net/core/neighbour.c:439 [inline] ___neigh_create+0x6ec/0x1a70 net/core/neighbour.c:592 __neigh_create+0x31/0x40 net/core/neighbour.c:680 ip6_finish_output2+0x8fe/0x1540 net/ipv6/ip6_output.c:129 __ip6_finish_output+0x5fd/0x790 net/ipv6/ip6_output.c:203 ip6_finish_output+0x33/0x1e0 net/ipv6/ip6_output.c:213 NF_HOOK_COND include/linux/netfilter.h:288 [inline] ip6_output+0x1fa/0x420 net/ipv6/ip6_output.c:236 dst_output include/net/dst.h:451 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] mld_sendpack+0x61e/0xb00 net/ipv6/mcast.c:1676 mld_send_cr net/ipv6/mcast.c:1972 [inline] mld_ifc_timer_expire+0x862/0xc60 net/ipv6/mcast.c:2469 call_timer_fn+0x38/0x290 kernel/time/timer.c:1450 page last free stack trace: reset_page_owner include/linux/page_owner.h:28 [inline] free_pages_prepare mm/page_alloc.c:1349 [inline] __free_pages_ok+0x80b/0x830 mm/page_alloc.c:1629 free_the_page mm/page_alloc.c:5445 [inline] __free_pages+0xd8/0x390 mm/page_alloc.c:5454 __free_slab+0xcf/0x190 mm/slub.c:1899 free_slab mm/slub.c:1914 [inline] discard_slab mm/slub.c:1920 [inline] unfreeze_partials+0x150/0x180 mm/slub.c:2415 put_cpu_partial+0xc1/0x180 mm/slub.c:2451 __slab_free+0x2c9/0x3a0 mm/slub.c:3100 do_slab_free mm/slub.c:3196 [inline] ___cache_free+0x10e/0x130 mm/slub.c:3215 qlink_free+0x50/0x90 mm/kasan/quarantine.c:157 qlist_free_all+0x5f/0xb0 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x14a/0x160 mm/kasan/quarantine.c:283 __kasan_slab_alloc+0x2f/0xe0 mm/kasan/common.c:440 kasan_slab_alloc include/linux/kasan.h:244 [inline] slab_post_alloc_hook+0x5d/0x2f0 mm/slab.h:580 slab_alloc_node mm/slub.c:2952 [inline] slab_alloc mm/slub.c:2960 [inline] kmem_cache_alloc+0x15a/0x2d0 mm/slub.c:2965 kmem_cache_alloc_node include/linux/slab.h:426 [inline] __alloc_skb+0x9e/0x520 net/core/skbuff.c:200 alloc_skb include/linux/skbuff.h:1126 [inline] nlmsg_new include/net/netlink.h:953 [inline] netlink_ack+0x35c/0xb30 net/netlink/af_netlink.c:2443 netlink_rcv_skb+0x267/0x430 net/netlink/af_netlink.c:2514 Memory state around the buggy address: ffff88810fc11700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88810fc11780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88810fc11800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88810fc11880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88810fc11900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ------------[ cut here ]------------ WARNING: CPU: 0 PID: 366 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: 366 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 net/l2tp/l2tp_ppp.c:156 Code: 5d c3 e8 ec bd 34 fd be 02 00 00 00 eb 0a e8 e0 bd 34 fd be 01 00 00 00 4c 89 f7 e8 f3 3b 0e fe e9 0f ff ff ff e8 c9 bd 34 fd <0f> 0b 48 89 df e8 ef 00 00 00 eb bd e8 b8 bd 34 fd 4c 89 f7 be 03 RSP: 0018:ffffc90000d17d68 EFLAGS: 00010293 RAX: ffffffff842ff8f7 RBX: ffff88810dd4c800 RCX: ffff88810dc21400 RDX: 0000000000000000 RSI: 000000000aec7aa0 RDI: 000000000c04eb7d RBP: ffffc90000d17d88 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff0dcfa48 R12: dffffc0000000000 R13: dffffc0000000000 R14: 000000000aec7aa0 R15: ffff88810fc11800 FS: 000055555e2b5500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000180 CR3: 0000000127204000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pppol2tp_release+0x150/0x2b0 net/l2tp/l2tp_ppp.c:435 __sock_release net/socket.c:597 [inline] sock_close+0xb8/0x200 net/socket.c:1287 __fput+0x2dc/0x730 fs/file_table.c:281 ____fput+0x15/0x20 fs/file_table.c:314 task_work_run+0x127/0x190 kernel/task_work.c:189 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop+0xcb/0xe0 kernel/entry/common.c:175 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:202 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:277 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f6839f1a559 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:00007ffcecedc4f8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007ffcecedc5e0 RCX: 00007f6839f1a559 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 0000000000006845 R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b32920000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f683a1a0fac R14: 00007f683a1a0fa8 R15: 00007f683a1a0fa0 ---[ end trace 8ec68ceb25ee8831 ]---