Extracting prog: 2m27.050034757s Minimizing prog: 28m36.087939178s Simplifying prog options: 0s Extracting C: 21.795166253s Simplifying C: 3m45.573973756s extracting reproducer from 66 programs testing a last program of every proc single: executing 16 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}}): mount$tmpfs-openat$vga_arbiter-timer_create-pselect6-bpf$BPF_BTF_LOAD detailed listing: executing program 0: mount$tmpfs(0x0, &(0x7f00000000c0)='.\x00', &(0x7f0000000080), 0x1, &(0x7f0000000180)=ANY=[@ANYBLOB='inode32=']) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f00000000c0), 0xa041, 0x0) timer_create(0x2, &(0x7f0000000380)={0x0, 0x41, 0x2, @thr={&(0x7f00000001c0)="2f9b229026203d26cfbf4eda638cccf5ca419ec0cfaa3a6273a4d497a81db67871e01395f773c09b1128dbf090158b1b1dacbedc458ab7d27d44c941d874429eb6b6060fa855e60526822175970d1fb54d4b2d6f92d342b9cfef916158469641d3d27642fd0daa2606a619a2825ff8d011fd00e651a99d2bf70b2bdeda51bf2b18044084a0c017ae36e508e8504979ff539b04f96f959d94ab5995e1", &(0x7f0000000280)="121eb7a7df78ab50091fccc05f7d0d97532a37648cfb2e268dcbd555246fa86fc6114287787c9cb09944a4a0fb3ea277fe85e8e0043cfb191b55076e0453885ec97de675f30625a188abd347bddf471fa44f8c02458e22f73e819a92947d95a7eec59281df8e90785f4c1a439228baeb7d848a84d6dc0072d8929b9cbbece8a552e011278c72e6f4cf361b04791f07fa757e2a8376bfe9fa983ab50f963fce56cebe7ab6d40e580fbcba306e1b93c02f225712ba80e49344608e52978f5d55b910f708f9"}}, &(0x7f00000003c0)) pselect6(0x40, &(0x7f0000000000)={0x6, 0x1, 0xd8, 0x5, 0xff, 0x0, 0x4, 0x3}, &(0x7f00000014c0)={0xe, 0xfffffffffffffffc, 0x200, 0xffff, 0x1, 0x9, 0xc, 0x6}, 0x0, 0x0, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000d00)={&(0x7f0000000b80)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x0, 0x0, 0xa}, {0x0, [0x61, 0x2e, 0x0, 0x1e, 0x5f, 0x30, 0x0, 0x2e]}}, &(0x7f0000000c40)=""/183, 0x22, 0xb7, 0x1, 0x3}, 0x28) 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$inet_tcp-openat$cgroup_ro-socket$nl_route-socket$nl_generic-socket$can_bcm-connect$can_bcm-openat$ppp-ioctl$PPPIOCSACTIVE-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-socket$nl_route-sendmsg$nl_route-syz_mount_image$exfat-ioctl$KVM_SET_IRQCHIP-mount$overlay-rename-syz_init_net_socket$bt_hci-bind$bt_hci-syz_open_dev$tty1-dup-write$UHID_INPUT detailed listing: executing program 0: socket$inet_tcp(0x2, 0x1, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='cpuacct.usage_percpu\x00', 0x275a, 0x0) socket$nl_route(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$can_bcm(0x1d, 0x2, 0x2) connect$can_bcm(r0, &(0x7f0000000100), 0x10) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000040), 0x100, 0x0) ioctl$PPPIOCSACTIVE(r1, 0x40107446, &(0x7f00000000c0)={0x0, 0x0}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r2 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) sched_setscheduler(r2, 0x1, &(0x7f0000000240)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r3, &(0x7f0000000180)=@abs, 0x6e) sendmmsg$unix(r4, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r3, &(0x7f00000000c0), 0x4000087, 0x2, 0x0) r5 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r5, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x40000) syz_mount_image$exfat(0x0, &(0x7f0000000200)='./bus\x00', 0xe1c00, 0x0, 0x0, 0x0, &(0x7f0000000000)) ioctl$KVM_SET_IRQCHIP(0xffffffffffffffff, 0x8208ae63, &(0x7f00000003c0)={0x0, 0x0, @pic={0x4, 0x5, 0x4, 0xff, 0x3, 0x2, 0x90, 0x2, 0x2, 0x2, 0x6, 0x4, 0x6, 0x4, 0x5, 0x2}}) mount$overlay(0x0, &(0x7f0000000580)='./file0\x00', &(0x7f0000000b80), 0x4008, &(0x7f0000000500)) rename(&(0x7f00000002c0)='./bus\x00', &(0x7f0000002a80)='./file0\x00') r6 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r6, &(0x7f0000000080)={0x1f, 0xffff, 0x3}, 0x6) r7 = syz_open_dev$tty1(0xc, 0x4, 0x1) r8 = dup(r7) write$UHID_INPUT(r8, 0x0, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-socket-connect$netlink-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_STRSET_GET-socket$packet-socket$packet-epoll_create1-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bind$inet6-syz_emit_ethernet-prctl$PR_SET_MM_MAP-socket-connect$vsock_stream-shutdown-pselect6-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG-ioctl$TUNSETLINK detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) r2 = bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) r3 = socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r4 = socket(0x10, 0x3, 0x0) connect$netlink(r4, &(0x7f0000000600)=@kern={0x10, 0x0, 0x0, 0x100}, 0x8) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r3) sendmsg$ETHTOOL_MSG_STRSET_GET(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000140)=ANY=[@ANYBLOB="34000000bb1c16d02325c997db8fd3265cfe5f2cce2843c64ab04600c057950274a3701ee9088b3c78dcb5a0f2da101b97bbda58440fffbb88", @ANYRES16=r5, @ANYBLOB="010031bd7040fedbdf2501000000040001801c0002800c00018008000100030000000c0001800800010004000000"], 0x34}, 0x1, 0x0, 0x0, 0x80d0}, 0x4800) socket$packet(0x11, 0x2, 0x300) socket$packet(0x11, 0x3, 0x300) epoll_create1(0x80000) close(0x3) r6 = socket$pppl2tp(0x18, 0x1, 0x1) r7 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r6, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r7, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) bind$inet6(r7, &(0x7f0000000000)={0xa, 0xe22, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x4c, &(0x7f0000000080)={@random="a70b49c5294f", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x43}, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, "010100", 0x16, 0x11, 0xff, @empty, @local, {[], {0x0, 0xe22, 0x16, 0x0, @gue={{0x2, 0x0, 0x0, 0x3}, "00000000ffff"}}}}}}}, 0x0) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f00000003c0)={&(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffb000/0x4000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffd000/0x2000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffb000/0x2000)=nil, &(0x7f0000ffe000/0x1000)=nil, &(0x7f00000001c0)="61efcdd7f78394fb0ee9f16fb95df59c38d6841f2711634d4536b82e8fa5854d3e8018bf60799cdac7d6b7796ceb9e6e178ce4da59732d9fee9926d551e3a0de26aa1710f79ede51d47fda0388ee26f84bdbfc788b5639e61d48bbe22a6b0f64be62468ce58f7130f52e3bd51842cb2f3fc590d08217475f31", 0x79, r2}, 0x68) r8 = socket(0x28, 0x801, 0x0) connect$vsock_stream(r8, &(0x7f0000000880)={0x28, 0x0, 0x2710, @local}, 0x10) shutdown(r8, 0x2) pselect6(0x900, 0x0, 0x0, &(0x7f0000000240)={0x1f}, &(0x7f0000000280)={0x0, 0x3938700}, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) ioctl$TUNSETLINK(r0, 0x400454cd, 0x339) program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work single: successfully extracted reproducer found reproducer with 30 syscalls minimizing guilty program testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-socket-connect$netlink-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_STRSET_GET-socket$packet-socket$packet-epoll_create1-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bind$inet6-syz_emit_ethernet-prctl$PR_SET_MM_MAP-socket-connect$vsock_stream-shutdown-pselect6-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) r2 = bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) r3 = socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r4 = socket(0x10, 0x3, 0x0) connect$netlink(r4, &(0x7f0000000600)=@kern={0x10, 0x0, 0x0, 0x100}, 0x8) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r3) sendmsg$ETHTOOL_MSG_STRSET_GET(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000140)=ANY=[@ANYBLOB="34000000bb1c16d02325c997db8fd3265cfe5f2cce2843c64ab04600c057950274a3701ee9088b3c78dcb5a0f2da101b97bbda58440fffbb88", @ANYRES16=r5, @ANYBLOB="010031bd7040fedbdf2501000000040001801c0002800c00018008000100030000000c0001800800010004000000"], 0x34}, 0x1, 0x0, 0x0, 0x80d0}, 0x4800) socket$packet(0x11, 0x2, 0x300) socket$packet(0x11, 0x3, 0x300) epoll_create1(0x80000) close(0x3) r6 = socket$pppl2tp(0x18, 0x1, 0x1) r7 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r6, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r7, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) bind$inet6(r7, &(0x7f0000000000)={0xa, 0xe22, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x4c, &(0x7f0000000080)={@random="a70b49c5294f", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x43}, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, "010100", 0x16, 0x11, 0xff, @empty, @local, {[], {0x0, 0xe22, 0x16, 0x0, @gue={{0x2, 0x0, 0x0, 0x3}, "00000000ffff"}}}}}}}, 0x0) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f00000003c0)={&(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffb000/0x4000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffd000/0x2000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffb000/0x2000)=nil, &(0x7f0000ffe000/0x1000)=nil, &(0x7f00000001c0)="61efcdd7f78394fb0ee9f16fb95df59c38d6841f2711634d4536b82e8fa5854d3e8018bf60799cdac7d6b7796ceb9e6e178ce4da59732d9fee9926d551e3a0de26aa1710f79ede51d47fda0388ee26f84bdbfc788b5639e61d48bbe22a6b0f64be62468ce58f7130f52e3bd51842cb2f3fc590d08217475f31", 0x79, r2}, 0x68) r8 = socket(0x28, 0x801, 0x0) connect$vsock_stream(r8, &(0x7f0000000880)={0x28, 0x0, 0x2710, @local}, 0x10) shutdown(r8, 0x2) pselect6(0x900, 0x0, 0x0, &(0x7f0000000240)={0x1f}, &(0x7f0000000280)={0x0, 0x3938700}, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-socket-connect$netlink-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_STRSET_GET-socket$packet-socket$packet-epoll_create1-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bind$inet6-syz_emit_ethernet-prctl$PR_SET_MM_MAP-socket-connect$vsock_stream-shutdown-pselect6-ioctl$TUNSETIFF detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) r2 = bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) r3 = socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r4 = socket(0x10, 0x3, 0x0) connect$netlink(r4, &(0x7f0000000600)=@kern={0x10, 0x0, 0x0, 0x100}, 0x8) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r3) sendmsg$ETHTOOL_MSG_STRSET_GET(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000140)=ANY=[@ANYBLOB="34000000bb1c16d02325c997db8fd3265cfe5f2cce2843c64ab04600c057950274a3701ee9088b3c78dcb5a0f2da101b97bbda58440fffbb88", @ANYRES16=r5, @ANYBLOB="010031bd7040fedbdf2501000000040001801c0002800c00018008000100030000000c0001800800010004000000"], 0x34}, 0x1, 0x0, 0x0, 0x80d0}, 0x4800) socket$packet(0x11, 0x2, 0x300) socket$packet(0x11, 0x3, 0x300) epoll_create1(0x80000) close(0x3) r6 = socket$pppl2tp(0x18, 0x1, 0x1) r7 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r6, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r7, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) bind$inet6(r7, &(0x7f0000000000)={0xa, 0xe22, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x4c, &(0x7f0000000080)={@random="a70b49c5294f", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x43}, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, "010100", 0x16, 0x11, 0xff, @empty, @local, {[], {0x0, 0xe22, 0x16, 0x0, @gue={{0x2, 0x0, 0x0, 0x3}, "00000000ffff"}}}}}}}, 0x0) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f00000003c0)={&(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffb000/0x4000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffd000/0x2000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffb000/0x2000)=nil, &(0x7f0000ffe000/0x1000)=nil, &(0x7f00000001c0)="61efcdd7f78394fb0ee9f16fb95df59c38d6841f2711634d4536b82e8fa5854d3e8018bf60799cdac7d6b7796ceb9e6e178ce4da59732d9fee9926d551e3a0de26aa1710f79ede51d47fda0388ee26f84bdbfc788b5639e61d48bbe22a6b0f64be62468ce58f7130f52e3bd51842cb2f3fc590d08217475f31", 0x79, r2}, 0x68) r8 = socket(0x28, 0x801, 0x0) connect$vsock_stream(r8, &(0x7f0000000880)={0x28, 0x0, 0x2710, @local}, 0x10) shutdown(r8, 0x2) pselect6(0x900, 0x0, 0x0, &(0x7f0000000240)={0x1f}, &(0x7f0000000280)={0x0, 0x3938700}, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) program did not crash testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-socket-connect$netlink-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_STRSET_GET-socket$packet-socket$packet-epoll_create1-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bind$inet6-syz_emit_ethernet-prctl$PR_SET_MM_MAP-socket-connect$vsock_stream-shutdown-pselect6-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) r2 = bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) r3 = socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r4 = socket(0x10, 0x3, 0x0) connect$netlink(r4, &(0x7f0000000600)=@kern={0x10, 0x0, 0x0, 0x100}, 0x8) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r3) sendmsg$ETHTOOL_MSG_STRSET_GET(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000140)=ANY=[@ANYBLOB="34000000bb1c16d02325c997db8fd3265cfe5f2cce2843c64ab04600c057950274a3701ee9088b3c78dcb5a0f2da101b97bbda58440fffbb88", @ANYRES16=r5, @ANYBLOB="010031bd7040fedbdf2501000000040001801c0002800c00018008000100030000000c0001800800010004000000"], 0x34}, 0x1, 0x0, 0x0, 0x80d0}, 0x4800) socket$packet(0x11, 0x2, 0x300) socket$packet(0x11, 0x3, 0x300) epoll_create1(0x80000) close(0x3) r6 = socket$pppl2tp(0x18, 0x1, 0x1) r7 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r6, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r7, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) bind$inet6(r7, &(0x7f0000000000)={0xa, 0xe22, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x4c, &(0x7f0000000080)={@random="a70b49c5294f", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x43}, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, "010100", 0x16, 0x11, 0xff, @empty, @local, {[], {0x0, 0xe22, 0x16, 0x0, @gue={{0x2, 0x0, 0x0, 0x3}, "00000000ffff"}}}}}}}, 0x0) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f00000003c0)={&(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffb000/0x4000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffd000/0x2000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffb000/0x2000)=nil, &(0x7f0000ffe000/0x1000)=nil, &(0x7f00000001c0)="61efcdd7f78394fb0ee9f16fb95df59c38d6841f2711634d4536b82e8fa5854d3e8018bf60799cdac7d6b7796ceb9e6e178ce4da59732d9fee9926d551e3a0de26aa1710f79ede51d47fda0388ee26f84bdbfc788b5639e61d48bbe22a6b0f64be62468ce58f7130f52e3bd51842cb2f3fc590d08217475f31", 0x79, r2}, 0x68) r8 = socket(0x28, 0x801, 0x0) connect$vsock_stream(r8, &(0x7f0000000880)={0x28, 0x0, 0x2710, @local}, 0x10) shutdown(r8, 0x2) pselect6(0x900, 0x0, 0x0, &(0x7f0000000240)={0x1f}, &(0x7f0000000280)={0x0, 0x3938700}, 0x0) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program did not crash testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-socket-connect$netlink-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_STRSET_GET-socket$packet-socket$packet-epoll_create1-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bind$inet6-syz_emit_ethernet-prctl$PR_SET_MM_MAP-socket-connect$vsock_stream-shutdown-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) r2 = bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) r3 = socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r4 = socket(0x10, 0x3, 0x0) connect$netlink(r4, &(0x7f0000000600)=@kern={0x10, 0x0, 0x0, 0x100}, 0x8) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r3) sendmsg$ETHTOOL_MSG_STRSET_GET(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000140)=ANY=[@ANYBLOB="34000000bb1c16d02325c997db8fd3265cfe5f2cce2843c64ab04600c057950274a3701ee9088b3c78dcb5a0f2da101b97bbda58440fffbb88", @ANYRES16=r5, @ANYBLOB="010031bd7040fedbdf2501000000040001801c0002800c00018008000100030000000c0001800800010004000000"], 0x34}, 0x1, 0x0, 0x0, 0x80d0}, 0x4800) socket$packet(0x11, 0x2, 0x300) socket$packet(0x11, 0x3, 0x300) epoll_create1(0x80000) close(0x3) r6 = socket$pppl2tp(0x18, 0x1, 0x1) r7 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r6, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r7, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) bind$inet6(r7, &(0x7f0000000000)={0xa, 0xe22, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x4c, &(0x7f0000000080)={@random="a70b49c5294f", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x43}, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, "010100", 0x16, 0x11, 0xff, @empty, @local, {[], {0x0, 0xe22, 0x16, 0x0, @gue={{0x2, 0x0, 0x0, 0x3}, "00000000ffff"}}}}}}}, 0x0) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f00000003c0)={&(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffb000/0x4000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffd000/0x2000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffb000/0x2000)=nil, &(0x7f0000ffe000/0x1000)=nil, &(0x7f00000001c0)="61efcdd7f78394fb0ee9f16fb95df59c38d6841f2711634d4536b82e8fa5854d3e8018bf60799cdac7d6b7796ceb9e6e178ce4da59732d9fee9926d551e3a0de26aa1710f79ede51d47fda0388ee26f84bdbfc788b5639e61d48bbe22a6b0f64be62468ce58f7130f52e3bd51842cb2f3fc590d08217475f31", 0x79, r2}, 0x68) r8 = socket(0x28, 0x801, 0x0) connect$vsock_stream(r8, &(0x7f0000000880)={0x28, 0x0, 0x2710, @local}, 0x10) shutdown(r8, 0x2) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-socket-connect$netlink-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_STRSET_GET-socket$packet-socket$packet-epoll_create1-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bind$inet6-syz_emit_ethernet-prctl$PR_SET_MM_MAP-socket-connect$vsock_stream-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) r2 = bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) r3 = socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r4 = socket(0x10, 0x3, 0x0) connect$netlink(r4, &(0x7f0000000600)=@kern={0x10, 0x0, 0x0, 0x100}, 0x8) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r3) sendmsg$ETHTOOL_MSG_STRSET_GET(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000140)=ANY=[@ANYBLOB="34000000bb1c16d02325c997db8fd3265cfe5f2cce2843c64ab04600c057950274a3701ee9088b3c78dcb5a0f2da101b97bbda58440fffbb88", @ANYRES16=r5, @ANYBLOB="010031bd7040fedbdf2501000000040001801c0002800c00018008000100030000000c0001800800010004000000"], 0x34}, 0x1, 0x0, 0x0, 0x80d0}, 0x4800) socket$packet(0x11, 0x2, 0x300) socket$packet(0x11, 0x3, 0x300) epoll_create1(0x80000) close(0x3) r6 = socket$pppl2tp(0x18, 0x1, 0x1) r7 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r6, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r7, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) bind$inet6(r7, &(0x7f0000000000)={0xa, 0xe22, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x4c, &(0x7f0000000080)={@random="a70b49c5294f", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x43}, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, "010100", 0x16, 0x11, 0xff, @empty, @local, {[], {0x0, 0xe22, 0x16, 0x0, @gue={{0x2, 0x0, 0x0, 0x3}, "00000000ffff"}}}}}}}, 0x0) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f00000003c0)={&(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffb000/0x4000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffd000/0x2000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffb000/0x2000)=nil, &(0x7f0000ffe000/0x1000)=nil, &(0x7f00000001c0)="61efcdd7f78394fb0ee9f16fb95df59c38d6841f2711634d4536b82e8fa5854d3e8018bf60799cdac7d6b7796ceb9e6e178ce4da59732d9fee9926d551e3a0de26aa1710f79ede51d47fda0388ee26f84bdbfc788b5639e61d48bbe22a6b0f64be62468ce58f7130f52e3bd51842cb2f3fc590d08217475f31", 0x79, r2}, 0x68) r8 = socket(0x28, 0x801, 0x0) connect$vsock_stream(r8, &(0x7f0000000880)={0x28, 0x0, 0x2710, @local}, 0x10) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-socket-connect$netlink-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_STRSET_GET-socket$packet-socket$packet-epoll_create1-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bind$inet6-syz_emit_ethernet-prctl$PR_SET_MM_MAP-socket-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) r2 = bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) r3 = socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r4 = socket(0x10, 0x3, 0x0) connect$netlink(r4, &(0x7f0000000600)=@kern={0x10, 0x0, 0x0, 0x100}, 0x8) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r3) sendmsg$ETHTOOL_MSG_STRSET_GET(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000140)=ANY=[@ANYBLOB="34000000bb1c16d02325c997db8fd3265cfe5f2cce2843c64ab04600c057950274a3701ee9088b3c78dcb5a0f2da101b97bbda58440fffbb88", @ANYRES16=r5, @ANYBLOB="010031bd7040fedbdf2501000000040001801c0002800c00018008000100030000000c0001800800010004000000"], 0x34}, 0x1, 0x0, 0x0, 0x80d0}, 0x4800) socket$packet(0x11, 0x2, 0x300) socket$packet(0x11, 0x3, 0x300) epoll_create1(0x80000) close(0x3) r6 = socket$pppl2tp(0x18, 0x1, 0x1) r7 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r6, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r7, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) bind$inet6(r7, &(0x7f0000000000)={0xa, 0xe22, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x4c, &(0x7f0000000080)={@random="a70b49c5294f", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x43}, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, "010100", 0x16, 0x11, 0xff, @empty, @local, {[], {0x0, 0xe22, 0x16, 0x0, @gue={{0x2, 0x0, 0x0, 0x3}, "00000000ffff"}}}}}}}, 0x0) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f00000003c0)={&(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffb000/0x4000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffd000/0x2000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffb000/0x2000)=nil, &(0x7f0000ffe000/0x1000)=nil, &(0x7f00000001c0)="61efcdd7f78394fb0ee9f16fb95df59c38d6841f2711634d4536b82e8fa5854d3e8018bf60799cdac7d6b7796ceb9e6e178ce4da59732d9fee9926d551e3a0de26aa1710f79ede51d47fda0388ee26f84bdbfc788b5639e61d48bbe22a6b0f64be62468ce58f7130f52e3bd51842cb2f3fc590d08217475f31", 0x79, r2}, 0x68) socket(0x28, 0x801, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-socket-connect$netlink-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_STRSET_GET-socket$packet-socket$packet-epoll_create1-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bind$inet6-syz_emit_ethernet-prctl$PR_SET_MM_MAP-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) r2 = bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) r3 = socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r4 = socket(0x10, 0x3, 0x0) connect$netlink(r4, &(0x7f0000000600)=@kern={0x10, 0x0, 0x0, 0x100}, 0x8) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r3) sendmsg$ETHTOOL_MSG_STRSET_GET(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000140)=ANY=[@ANYBLOB="34000000bb1c16d02325c997db8fd3265cfe5f2cce2843c64ab04600c057950274a3701ee9088b3c78dcb5a0f2da101b97bbda58440fffbb88", @ANYRES16=r5, @ANYBLOB="010031bd7040fedbdf2501000000040001801c0002800c00018008000100030000000c0001800800010004000000"], 0x34}, 0x1, 0x0, 0x0, 0x80d0}, 0x4800) socket$packet(0x11, 0x2, 0x300) socket$packet(0x11, 0x3, 0x300) epoll_create1(0x80000) close(0x3) r6 = socket$pppl2tp(0x18, 0x1, 0x1) r7 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r6, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r7, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) bind$inet6(r7, &(0x7f0000000000)={0xa, 0xe22, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x4c, &(0x7f0000000080)={@random="a70b49c5294f", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x43}, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, "010100", 0x16, 0x11, 0xff, @empty, @local, {[], {0x0, 0xe22, 0x16, 0x0, @gue={{0x2, 0x0, 0x0, 0x3}, "00000000ffff"}}}}}}}, 0x0) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f00000003c0)={&(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffb000/0x4000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffd000/0x2000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffb000/0x2000)=nil, &(0x7f0000ffe000/0x1000)=nil, &(0x7f00000001c0)="61efcdd7f78394fb0ee9f16fb95df59c38d6841f2711634d4536b82e8fa5854d3e8018bf60799cdac7d6b7796ceb9e6e178ce4da59732d9fee9926d551e3a0de26aa1710f79ede51d47fda0388ee26f84bdbfc788b5639e61d48bbe22a6b0f64be62468ce58f7130f52e3bd51842cb2f3fc590d08217475f31", 0x79, r2}, 0x68) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-socket-connect$netlink-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_STRSET_GET-socket$packet-socket$packet-epoll_create1-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bind$inet6-syz_emit_ethernet-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) r2 = socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r3 = socket(0x10, 0x3, 0x0) connect$netlink(r3, &(0x7f0000000600)=@kern={0x10, 0x0, 0x0, 0x100}, 0x8) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r2) sendmsg$ETHTOOL_MSG_STRSET_GET(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000140)=ANY=[@ANYBLOB="34000000bb1c16d02325c997db8fd3265cfe5f2cce2843c64ab04600c057950274a3701ee9088b3c78dcb5a0f2da101b97bbda58440fffbb88", @ANYRES16=r4, @ANYBLOB="010031bd7040fedbdf2501000000040001801c0002800c00018008000100030000000c0001800800010004000000"], 0x34}, 0x1, 0x0, 0x0, 0x80d0}, 0x4800) socket$packet(0x11, 0x2, 0x300) socket$packet(0x11, 0x3, 0x300) epoll_create1(0x80000) close(0x3) r5 = socket$pppl2tp(0x18, 0x1, 0x1) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r5, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r6, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) bind$inet6(r6, &(0x7f0000000000)={0xa, 0xe22, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x4c, &(0x7f0000000080)={@random="a70b49c5294f", @dev={'\xaa\xaa\xaa\xaa\xaa', 0x43}, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, "010100", 0x16, 0x11, 0xff, @empty, @local, {[], {0x0, 0xe22, 0x16, 0x0, @gue={{0x2, 0x0, 0x0, 0x3}, "00000000ffff"}}}}}}}, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-socket-connect$netlink-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_STRSET_GET-socket$packet-socket$packet-epoll_create1-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-bind$inet6-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) r2 = socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r3 = socket(0x10, 0x3, 0x0) connect$netlink(r3, &(0x7f0000000600)=@kern={0x10, 0x0, 0x0, 0x100}, 0x8) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r2) sendmsg$ETHTOOL_MSG_STRSET_GET(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000140)=ANY=[@ANYBLOB="34000000bb1c16d02325c997db8fd3265cfe5f2cce2843c64ab04600c057950274a3701ee9088b3c78dcb5a0f2da101b97bbda58440fffbb88", @ANYRES16=r4, @ANYBLOB="010031bd7040fedbdf2501000000040001801c0002800c00018008000100030000000c0001800800010004000000"], 0x34}, 0x1, 0x0, 0x0, 0x80d0}, 0x4800) socket$packet(0x11, 0x2, 0x300) socket$packet(0x11, 0x3, 0x300) epoll_create1(0x80000) close(0x3) r5 = socket$pppl2tp(0x18, 0x1, 0x1) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r5, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r6, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) bind$inet6(r6, &(0x7f0000000000)={0xa, 0xe22, 0x0, @empty}, 0x1c) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-socket-connect$netlink-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_STRSET_GET-socket$packet-socket$packet-epoll_create1-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) r2 = socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r3 = socket(0x10, 0x3, 0x0) connect$netlink(r3, &(0x7f0000000600)=@kern={0x10, 0x0, 0x0, 0x100}, 0x8) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r2) sendmsg$ETHTOOL_MSG_STRSET_GET(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000140)=ANY=[@ANYBLOB="34000000bb1c16d02325c997db8fd3265cfe5f2cce2843c64ab04600c057950274a3701ee9088b3c78dcb5a0f2da101b97bbda58440fffbb88", @ANYRES16=r4, @ANYBLOB="010031bd7040fedbdf2501000000040001801c0002800c00018008000100030000000c0001800800010004000000"], 0x34}, 0x1, 0x0, 0x0, 0x80d0}, 0x4800) socket$packet(0x11, 0x2, 0x300) socket$packet(0x11, 0x3, 0x300) epoll_create1(0x80000) close(0x3) r5 = socket$pppl2tp(0x18, 0x1, 0x1) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r5, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r6, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-socket-connect$netlink-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_STRSET_GET-socket$packet-socket$packet-epoll_create1-close-socket$pppl2tp-socket$inet6_udp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) r2 = socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r3 = socket(0x10, 0x3, 0x0) connect$netlink(r3, &(0x7f0000000600)=@kern={0x10, 0x0, 0x0, 0x100}, 0x8) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r2) sendmsg$ETHTOOL_MSG_STRSET_GET(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000140)=ANY=[@ANYBLOB="34000000bb1c16d02325c997db8fd3265cfe5f2cce2843c64ab04600c057950274a3701ee9088b3c78dcb5a0f2da101b97bbda58440fffbb88", @ANYRES16=r4, @ANYBLOB="010031bd7040fedbdf2501000000040001801c0002800c00018008000100030000000c0001800800010004000000"], 0x34}, 0x1, 0x0, 0x0, 0x80d0}, 0x4800) socket$packet(0x11, 0x2, 0x300) socket$packet(0x11, 0x3, 0x300) epoll_create1(0x80000) close(0x3) socket$pppl2tp(0x18, 0x1, 0x1) socket$inet6_udp(0xa, 0x2, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program did not crash testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-socket-connect$netlink-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_STRSET_GET-socket$packet-socket$packet-epoll_create1-close-socket$pppl2tp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) r2 = socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r3 = socket(0x10, 0x3, 0x0) connect$netlink(r3, &(0x7f0000000600)=@kern={0x10, 0x0, 0x0, 0x100}, 0x8) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r2) sendmsg$ETHTOOL_MSG_STRSET_GET(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000140)=ANY=[@ANYBLOB="34000000bb1c16d02325c997db8fd3265cfe5f2cce2843c64ab04600c057950274a3701ee9088b3c78dcb5a0f2da101b97bbda58440fffbb88", @ANYRES16=r4, @ANYBLOB="010031bd7040fedbdf2501000000040001801c0002800c00018008000100030000000c0001800800010004000000"], 0x34}, 0x1, 0x0, 0x0, 0x80d0}, 0x4800) socket$packet(0x11, 0x2, 0x300) socket$packet(0x11, 0x3, 0x300) epoll_create1(0x80000) close(0x3) r5 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r5, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program did not crash testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-socket-connect$netlink-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_STRSET_GET-socket$packet-socket$packet-epoll_create1-close-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) r2 = socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r3 = socket(0x10, 0x3, 0x0) connect$netlink(r3, &(0x7f0000000600)=@kern={0x10, 0x0, 0x0, 0x100}, 0x8) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r2) sendmsg$ETHTOOL_MSG_STRSET_GET(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000140)=ANY=[@ANYBLOB="34000000bb1c16d02325c997db8fd3265cfe5f2cce2843c64ab04600c057950274a3701ee9088b3c78dcb5a0f2da101b97bbda58440fffbb88", @ANYRES16=r4, @ANYBLOB="010031bd7040fedbdf2501000000040001801c0002800c00018008000100030000000c0001800800010004000000"], 0x34}, 0x1, 0x0, 0x0, 0x80d0}, 0x4800) socket$packet(0x11, 0x2, 0x300) socket$packet(0x11, 0x3, 0x300) epoll_create1(0x80000) close(0x3) r5 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(0xffffffffffffffff, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r5, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program did not crash testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-socket-connect$netlink-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_STRSET_GET-socket$packet-socket$packet-epoll_create1-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) r2 = socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r3 = socket(0x10, 0x3, 0x0) connect$netlink(r3, &(0x7f0000000600)=@kern={0x10, 0x0, 0x0, 0x100}, 0x8) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r2) sendmsg$ETHTOOL_MSG_STRSET_GET(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000140)=ANY=[@ANYBLOB="34000000bb1c16d02325c997db8fd3265cfe5f2cce2843c64ab04600c057950274a3701ee9088b3c78dcb5a0f2da101b97bbda58440fffbb88", @ANYRES16=r4, @ANYBLOB="010031bd7040fedbdf2501000000040001801c0002800c00018008000100030000000c0001800800010004000000"], 0x34}, 0x1, 0x0, 0x0, 0x80d0}, 0x4800) socket$packet(0x11, 0x2, 0x300) socket$packet(0x11, 0x3, 0x300) epoll_create1(0x80000) r5 = socket$pppl2tp(0x18, 0x1, 0x1) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r5, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r6, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program did not crash testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-socket-connect$netlink-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_STRSET_GET-socket$packet-socket$packet-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) r2 = socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r3 = socket(0x10, 0x3, 0x0) connect$netlink(r3, &(0x7f0000000600)=@kern={0x10, 0x0, 0x0, 0x100}, 0x8) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r2) sendmsg$ETHTOOL_MSG_STRSET_GET(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000140)=ANY=[@ANYBLOB="34000000bb1c16d02325c997db8fd3265cfe5f2cce2843c64ab04600c057950274a3701ee9088b3c78dcb5a0f2da101b97bbda58440fffbb88", @ANYRES16=r4, @ANYBLOB="010031bd7040fedbdf2501000000040001801c0002800c00018008000100030000000c0001800800010004000000"], 0x34}, 0x1, 0x0, 0x0, 0x80d0}, 0x4800) socket$packet(0x11, 0x2, 0x300) socket$packet(0x11, 0x3, 0x300) close(0x3) r5 = socket$pppl2tp(0x18, 0x1, 0x1) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r5, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r6, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-socket-connect$netlink-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_STRSET_GET-socket$packet-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) r2 = socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r3 = socket(0x10, 0x3, 0x0) connect$netlink(r3, &(0x7f0000000600)=@kern={0x10, 0x0, 0x0, 0x100}, 0x8) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r2) sendmsg$ETHTOOL_MSG_STRSET_GET(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000140)=ANY=[@ANYBLOB="34000000bb1c16d02325c997db8fd3265cfe5f2cce2843c64ab04600c057950274a3701ee9088b3c78dcb5a0f2da101b97bbda58440fffbb88", @ANYRES16=r4, @ANYBLOB="010031bd7040fedbdf2501000000040001801c0002800c00018008000100030000000c0001800800010004000000"], 0x34}, 0x1, 0x0, 0x0, 0x80d0}, 0x4800) socket$packet(0x11, 0x2, 0x300) close(0x3) r5 = socket$pppl2tp(0x18, 0x1, 0x1) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r5, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r6, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-socket-connect$netlink-syz_genetlink_get_family_id$ethtool-sendmsg$ETHTOOL_MSG_STRSET_GET-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) r2 = socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r3 = socket(0x10, 0x3, 0x0) connect$netlink(r3, &(0x7f0000000600)=@kern={0x10, 0x0, 0x0, 0x100}, 0x8) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r2) sendmsg$ETHTOOL_MSG_STRSET_GET(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000140)=ANY=[@ANYBLOB="34000000bb1c16d02325c997db8fd3265cfe5f2cce2843c64ab04600c057950274a3701ee9088b3c78dcb5a0f2da101b97bbda58440fffbb88", @ANYRES16=r4, @ANYBLOB="010031bd7040fedbdf2501000000040001801c0002800c00018008000100030000000c0001800800010004000000"], 0x34}, 0x1, 0x0, 0x0, 0x80d0}, 0x4800) close(0x3) r5 = socket$pppl2tp(0x18, 0x1, 0x1) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r5, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r6, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-socket-connect$netlink-syz_genetlink_get_family_id$ethtool-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) r2 = socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r3 = socket(0x10, 0x3, 0x0) connect$netlink(r3, &(0x7f0000000600)=@kern={0x10, 0x0, 0x0, 0x100}, 0x8) syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r2) close(0x3) r4 = socket$pppl2tp(0x18, 0x1, 0x1) r5 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r4, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r5, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-socket-connect$netlink-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r2 = socket(0x10, 0x3, 0x0) connect$netlink(r2, &(0x7f0000000600)=@kern={0x10, 0x0, 0x0, 0x100}, 0x8) close(0x3) r3 = socket$pppl2tp(0x18, 0x1, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r3, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r4, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-socket-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) socket(0x10, 0x3, 0x0) close(0x3) r2 = socket$pppl2tp(0x18, 0x1, 0x1) r3 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r2, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r3, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close_range-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) socket$nl_generic(0x10, 0x3, 0x10) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) close(0x3) r2 = socket$pppl2tp(0x18, 0x1, 0x1) r3 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r2, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r3, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-socket$nl_generic-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) socket$nl_generic(0x10, 0x3, 0x10) close(0x3) r2 = socket$pppl2tp(0x18, 0x1, 0x1) r3 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r2, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r3, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-bpf$MAP_CREATE-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB='\x00'/20, @ANYRES32=0x0, @ANYRES32], 0x50) close(0x3) r2 = socket$pppl2tp(0x18, 0x1, 0x1) r3 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r2, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r3, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-bpf$BPF_BTF_GET_FD_BY_ID-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000080), 0x4) close(0x3) r2 = socket$pppl2tp(0x18, 0x1, 0x1) r3 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r2, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r3, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-bpf$BPF_BTF_GET_FD_BY_ID-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x4) close(0x3) r2 = socket$pppl2tp(0x18, 0x1, 0x1) r3 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r2, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r3, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-ioctl$sock_SIOCGIFINDEX-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) close(0x3) r2 = socket$pppl2tp(0x18, 0x1, 0x1) r3 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r2, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r3, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=34.028056318s, {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}}): openat$tun-waitid-socket$unix-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) socket$unix(0x1, 0x3, 0x0) close(0x3) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=34.028056318s, {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}}): openat$tun-waitid-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) waitid(0x0, 0x0, 0xfffffffffffffffd, 0x8, 0x0) close(0x3) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=34.028056318s, {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}}): openat$tun-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) close(0x3) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=34.028056318s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: close(0x3) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(0xffffffffffffffff, 0x400454c9, 0xffffffffffffffff) program did not crash testing program (duration=34.028056318s, {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}}): openat$tun-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x20a02, 0x0) close(0x3) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program did not crash testing program (duration=34.028056318s, {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}}): openat$tun-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) close(0x3) r1 = socket$pppl2tp(0x18, 0x1, 0x1) socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r1, 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'\x00', 0x2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program did not crash testing program (duration=34.028056318s, {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}}): openat$tun-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) close(0x3) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, 0x0) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session extracting C reproducer testing compiled C program (duration=34.028056318s, {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}}): openat$tun-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session simplifying C reproducer testing compiled C program (duration=34.028056318s, {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}}): openat$tun-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=34.028056318s, {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}}): openat$tun-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=34.028056318s, {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}}): openat$tun-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work testing compiled C program (duration=34.028056318s, {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}}): openat$tun-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work testing compiled C program (duration=34.028056318s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work testing compiled C program (duration=34.028056318s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work testing program (duration=34.028056318s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) close(0x3) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, 0x0) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session validation run: crashed=true testing program (duration=34.028056318s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) close(0x3) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, 0x0) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session validation run: crashed=true testing program (duration=34.028056318s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$TUNSETIFF-ioctl$TUNSETDEBUG detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x20a02, 0x0) close(0x3) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x2}}, 0x2e) ioctl$TUNSETIFF(r0, 0x400454ca, 0x0) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work validation run: crashed=true reproducing took 37m5.90306686s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in hlist_unhashed include/linux/list.h:854 [inline] BUG: KASAN: use-after-free in hlist_del_init_rcu include/linux/rculist.h:183 [inline] BUG: KASAN: use-after-free in l2tp_tunnel_closeall net/l2tp/l2tp_core.c:1225 [inline] BUG: KASAN: use-after-free in l2tp_tunnel_del_work+0xd8/0x410 net/l2tp/l2tp_core.c:1266 Read of size 8 at addr ffff8881102d1080 by task kworker/u4:2/43 CPU: 0 PID: 43 Comm: kworker/u4:2 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: l2tp l2tp_tunnel_del_work Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:88 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106 print_address_description+0x71/0x200 mm/kasan/report.c:316 print_report+0x4a/0x60 mm/kasan/report.c:420 kasan_report+0x122/0x150 mm/kasan/report.c:524 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:351 hlist_unhashed include/linux/list.h:854 [inline] hlist_del_init_rcu include/linux/rculist.h:183 [inline] l2tp_tunnel_closeall net/l2tp/l2tp_core.c:1225 [inline] l2tp_tunnel_del_work+0xd8/0x410 net/l2tp/l2tp_core.c:1266 process_one_work+0x717/0xc30 kernel/workqueue.c:2302 worker_thread+0xa4d/0x11d0 kernel/workqueue.c:2449 kthread+0x281/0x320 kernel/kthread.c:386 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Allocated by task 372: kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:53 kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505 ____kasan_kmalloc mm/kasan/common.c:380 [inline] __kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389 kasan_kmalloc include/linux/kasan.h:212 [inline] __do_kmalloc_node mm/slab_common.c:938 [inline] __kmalloc+0xb4/0x1e0 mm/slab_common.c:951 kmalloc include/linux/slab.h:568 [inline] kzalloc include/linux/slab.h:699 [inline] l2tp_session_create+0x38/0xbd0 net/l2tp/l2tp_core.c:1609 pppol2tp_connect+0xbf5/0x1640 net/l2tp/l2tp_ppp.c:771 __sys_connect_file net/socket.c:2000 [inline] __sys_connect+0x3da/0x460 net/socket.c:2017 __do_sys_connect net/socket.c:2027 [inline] __se_sys_connect net/socket.c:2024 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:2024 x64_sys_call+0x88d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:43 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 Freed by task 372: kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:53 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:516 ____kasan_slab_free+0x132/0x180 mm/kasan/common.c:242 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:250 kasan_slab_free include/linux/kasan.h:178 [inline] slab_free_hook mm/slub.c:1750 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1776 slab_free mm/slub.c:3712 [inline] __kmem_cache_free+0xb7/0x1b0 mm/slub.c:3728 kfree+0x6f/0xf0 mm/slab_common.c:990 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline] l2tp_session_put+0xaf/0x1a0 net/l2tp/l2tp_core.c:193 pppol2tp_ioctl+0x748/0x960 net/l2tp/l2tp_ppp.c:-1 pppox_ioctl+0x1f6/0x330 drivers/net/ppp/pppox.c:93 sock_do_ioctl+0x114/0x330 net/socket.c:1191 sock_ioctl+0x475/0x700 net/socket.c:1310 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0x12f/0x1b0 fs/ioctl.c:856 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856 x64_sys_call+0x58b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 The buggy address belongs to the object at ffff8881102d1000 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 128 bytes inside of 512-byte region [ffff8881102d1000, ffff8881102d1200) The buggy address belongs to the physical page: page:ffffea000440b400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1102d0 head:ffffea000440b400 order:2 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head|zone=1) raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 2, migratetype Unmovable, gfp_ma final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in hlist_unhashed include/linux/list.h:854 [inline] BUG: KASAN: use-after-free in hlist_del_init_rcu include/linux/rculist.h:183 [inline] BUG: KASAN: use-after-free in l2tp_tunnel_closeall net/l2tp/l2tp_core.c:1225 [inline] BUG: KASAN: use-after-free in l2tp_tunnel_del_work+0xd8/0x410 net/l2tp/l2tp_core.c:1266 Read of size 8 at addr ffff8881102d1080 by task kworker/u4:2/43 CPU: 0 PID: 43 Comm: kworker/u4:2 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: l2tp l2tp_tunnel_del_work Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:88 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106 print_address_description+0x71/0x200 mm/kasan/report.c:316 print_report+0x4a/0x60 mm/kasan/report.c:420 kasan_report+0x122/0x150 mm/kasan/report.c:524 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:351 hlist_unhashed include/linux/list.h:854 [inline] hlist_del_init_rcu include/linux/rculist.h:183 [inline] l2tp_tunnel_closeall net/l2tp/l2tp_core.c:1225 [inline] l2tp_tunnel_del_work+0xd8/0x410 net/l2tp/l2tp_core.c:1266 process_one_work+0x717/0xc30 kernel/workqueue.c:2302 worker_thread+0xa4d/0x11d0 kernel/workqueue.c:2449 kthread+0x281/0x320 kernel/kthread.c:386 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Allocated by task 372: kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:53 kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505 ____kasan_kmalloc mm/kasan/common.c:380 [inline] __kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389 kasan_kmalloc include/linux/kasan.h:212 [inline] __do_kmalloc_node mm/slab_common.c:938 [inline] __kmalloc+0xb4/0x1e0 mm/slab_common.c:951 kmalloc include/linux/slab.h:568 [inline] kzalloc include/linux/slab.h:699 [inline] l2tp_session_create+0x38/0xbd0 net/l2tp/l2tp_core.c:1609 pppol2tp_connect+0xbf5/0x1640 net/l2tp/l2tp_ppp.c:771 __sys_connect_file net/socket.c:2000 [inline] __sys_connect+0x3da/0x460 net/socket.c:2017 __do_sys_connect net/socket.c:2027 [inline] __se_sys_connect net/socket.c:2024 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:2024 x64_sys_call+0x88d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:43 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 Freed by task 372: kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:53 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:516 ____kasan_slab_free+0x132/0x180 mm/kasan/common.c:242 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:250 kasan_slab_free include/linux/kasan.h:178 [inline] slab_free_hook mm/slub.c:1750 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1776 slab_free mm/slub.c:3712 [inline] __kmem_cache_free+0xb7/0x1b0 mm/slub.c:3728 kfree+0x6f/0xf0 mm/slab_common.c:990 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline] l2tp_session_put+0xaf/0x1a0 net/l2tp/l2tp_core.c:193 pppol2tp_ioctl+0x748/0x960 net/l2tp/l2tp_ppp.c:-1 pppox_ioctl+0x1f6/0x330 drivers/net/ppp/pppox.c:93 sock_do_ioctl+0x114/0x330 net/socket.c:1191 sock_ioctl+0x475/0x700 net/socket.c:1310 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0x12f/0x1b0 fs/ioctl.c:856 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856 x64_sys_call+0x58b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 The buggy address belongs to the object at ffff8881102d1000 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 128 bytes inside of 512-byte region [ffff8881102d1000, ffff8881102d1200) The buggy address belongs to the physical page: page:ffffea000440b400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1102d0 head:ffffea000440b400 order:2 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head|zone=1) raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 2, migratetype Unmovable, gfp_ma