last executing test programs: 240.882915ms ago: executing program 3 (id=4): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x121000, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'macvlan1\x00'}) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = dup(r1) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000840)={0x1fe, 0x2, 0x2000, 0x1000, &(0x7f0000003000/0x1000)=nil}) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, 0x0}], 0x1, 0xe, 0x0, 0x0) sendmsg$inet6(r2, &(0x7f0000000800)={0x0, 0x0, &(0x7f0000000400)=[{&(0x7f0000000080)="944cf7", 0x3}], 0x1}, 0x20000010) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000040)=[@text64={0x40, 0x0}], 0x1, 0x11, 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 228.600375ms ago: executing program 4 (id=5): socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$inet6(0xa, 0x3, 0x5) setsockopt$IP6T_SO_SET_REPLACE(r0, 0x29, 0x40, &(0x7f00000014c0)=@raw={'raw\x00', 0x8, 0x3, 0x528, 0x0, 0xffffffff, 0xffffffff, 0xd0, 0xffffffff, 0x458, 0xffffffff, 0xffffffff, 0x458, 0xffffffff, 0x3, 0x0, {[{{@ipv6={@private0, @mcast2, [0x0, 0x62], [], 'veth0_macvtap\x00', 'dvmrp1\x00'}, 0x0, 0xa8, 0xd0}, @common=@unspec=@NFQUEUE0={0x28}}, {{@ipv6={@empty, @ipv4={'\x00', '\xff\xff', @dev}, [], [], 'wg1\x00', 'gre0\x00', {}, {}, 0x62}, 0x0, 0x358, 0x388, 0x0, {}, [@common=@inet=@hashlimit3={{0x158}, {'veth0_to_hsr\x00', {0x4, 0x8, 0x20, 0x5e1b2d47, 0xf91, 0x5, 0x4, 0x9f7, 0x18}, {0x8}}}, @common=@inet=@hashlimit3={{0x158}, {'wg1\x00', {0x3, 0x0, 0x41, 0x0, 0x0, 0x1000, 0x6, 0x3}}}]}, @common=@unspec=@CONNMARK={0x30}}], {{'\x00', 0x0, 0xa8, 0xd0}, {0x28, '\x00', 0x7}}}}, 0x588) r1 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r1, &(0x7f0000000380)={0xa, 0x14e24, 0x0, @loopback}, 0x1c) connect$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e24}, 0x1c) sendmmsg(r1, &(0x7f00000092c0), 0x4ff, 0x0) 25.66569ms ago: executing program 2 (id=3): ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8b1a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000240), 0x3af4701e) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28012, r0, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) r1 = syz_clone(0x0, 0x0, 0x43, 0x0, 0x0, 0x0) process_vm_writev(r1, &(0x7f0000001c80)=[{&(0x7f0000001bc0)=""/156, 0x9c}], 0x1, &(0x7f0000001d80)=[{&(0x7f0000001cc0)=""/116, 0x20001c34}], 0x1, 0x0) mmap(&(0x7f0000001000/0xc00000)=nil, 0xc00000, 0x2000005, 0x3032, 0xffffffffffffffff, 0x0) 19.60577ms ago: executing program 0 (id=1): r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000100)="814d551754d5") 9.2449ms ago: executing program 1 (id=2): sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0xc840) setns(0xc9, 0x0) r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x2, 0x7fff7ffc}]}) close_range(r0, r0, 0x200000000000000) syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000000300)='ns/net\x00') r1 = bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f00000003c0)=@bpf_lsm={0x1e, 0x3, &(0x7f0000000340)=ANY=[@ANYBLOB="1800000001000000000000000000000095"], &(0x7f0000000280)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x2e, '\x00', 0x0, 0x24}, 0x94) bpf$BPF_PROG_TEST_RUN(0x1c, &(0x7f00000005c0)={r1, 0x0, 0x24, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x58, 0x0, 0x0, 0x4, 0x0, 0x3}, 0xa) syz_emit_ethernet(0x4a, &(0x7f00000007c0)={@local, @broadcast, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, '\f\n5', 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, 0x0) 0s ago: executing program 3 (id=6): r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x8001, 0x0) ioctl$SNAPSHOT_UNFREEZE(r0, 0x3302) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.135' (ED25519) to the list of known hosts. [ 24.428255][ T28] audit: type=1400 audit(1788972418.917:64): avc: denied { mounton } for pid=278 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 24.429313][ T278] cgroup: Unknown subsys name 'net' [ 24.451896][ T28] audit: type=1400 audit(1788972418.917:65): avc: denied { mount } for pid=278 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 24.479793][ T28] audit: type=1400 audit(1788972418.947:66): avc: denied { unmount } for pid=278 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 24.479971][ T278] cgroup: Unknown subsys name 'devices' [ 24.625953][ T278] cgroup: Unknown subsys name 'hugetlb' [ 24.631561][ T278] cgroup: Unknown subsys name 'rlimit' [ 24.764405][ T28] audit: type=1400 audit(1788972419.257:67): avc: denied { setattr } for pid=278 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=258 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 24.788920][ T28] audit: type=1400 audit(1788972419.257:68): avc: denied { mounton } for pid=278 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 24.802306][ T280] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 24.824066][ T28] audit: type=1400 audit(1788972419.257:69): avc: denied { mount } for pid=278 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 24.848201][ T28] audit: type=1400 audit(1788972419.317:70): avc: denied { relabelto } for pid=280 comm="mkswap" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 24.878318][ T28] audit: type=1400 audit(1788972419.317:71): avc: denied { write } for pid=280 comm="mkswap" path="/root/swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 24.892116][ T278] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 24.906181][ T28] audit: type=1400 audit(1788972419.377:72): avc: denied { read } for pid=278 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 24.942366][ T28] audit: type=1400 audit(1788972419.377:73): avc: denied { open } for pid=278 comm="syz-executor" path="/root/swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 25.784277][ T288] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.791625][ T288] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.799290][ T288] device bridge_slave_0 entered promiscuous mode [ 25.806555][ T286] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.814587][ T286] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.823476][ T286] device bridge_slave_0 entered promiscuous mode [ 25.833509][ T289] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.843683][ T289] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.854205][ T289] device bridge_slave_0 entered promiscuous mode [ 25.862771][ T289] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.870976][ T289] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.879221][ T289] device bridge_slave_1 entered promiscuous mode [ 25.888602][ T288] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.896071][ T288] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.903421][ T288] device bridge_slave_1 entered promiscuous mode [ 25.910141][ T286] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.917512][ T286] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.925618][ T286] device bridge_slave_1 entered promiscuous mode [ 26.011027][ T287] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.019114][ T287] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.027311][ T287] device bridge_slave_0 entered promiscuous mode [ 26.039300][ T287] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.046566][ T287] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.054185][ T287] device bridge_slave_1 entered promiscuous mode [ 26.075076][ T290] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.082414][ T290] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.090393][ T290] device bridge_slave_0 entered promiscuous mode [ 26.100830][ T290] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.108402][ T290] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.116367][ T290] device bridge_slave_1 entered promiscuous mode [ 26.278479][ T289] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.285912][ T289] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.293222][ T289] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.300559][ T289] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.336193][ T288] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.343614][ T288] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.350936][ T288] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.358063][ T288] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.367854][ T287] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.375528][ T287] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.383037][ T287] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.390267][ T287] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.401533][ T286] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.408629][ T286] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.416449][ T286] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.423691][ T286] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.435197][ T290] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.442786][ T290] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.450659][ T290] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.457755][ T290] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.513486][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.521021][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.529625][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.537552][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.544903][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.552929][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.560847][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.568306][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.575686][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.583144][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.590632][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.600968][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 26.608751][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.638410][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.646695][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.654904][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.662747][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.671991][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.679253][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.687077][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.695408][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.702433][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.709844][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.718023][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.725085][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.732439][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.740879][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.747962][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.756069][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.764565][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.771735][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.779375][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.788457][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.795800][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.803433][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.811707][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.819035][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.843576][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 26.852108][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.860549][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.867639][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.875704][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 26.883734][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.892470][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 26.901066][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.909287][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.916466][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.924243][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 26.932533][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.941056][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.948314][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.956171][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 26.964501][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.972657][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 26.981181][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.004351][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 27.012466][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 27.020738][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 27.029012][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 27.037352][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.045739][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.053652][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 27.061785][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.069894][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 27.077968][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 27.101119][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 27.109771][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 27.118437][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.128240][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 27.137581][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 27.156152][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.165035][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 27.172712][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 27.181075][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 27.189778][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 27.204628][ T290] device veth0_vlan entered promiscuous mode [ 27.214520][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 27.223029][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 27.231522][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 27.240313][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.249023][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 27.259479][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.268740][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 27.277330][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 27.285564][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 27.294334][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 27.306568][ T288] device veth0_vlan entered promiscuous mode [ 27.314364][ T289] device veth0_vlan entered promiscuous mode [ 27.320571][ T286] device veth0_vlan entered promiscuous mode [ 27.329045][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 27.337668][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.346108][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 27.354967][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 27.370400][ T290] device veth1_macvtap entered promiscuous mode [ 27.380125][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.388742][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 27.398159][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.413119][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 27.423012][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 27.433609][ T288] device veth1_macvtap entered promiscuous mode [ 27.442888][ T287] device veth0_vlan entered promiscuous mode [ 27.450605][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 27.458907][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 27.467399][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.478065][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 27.487602][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 27.502377][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 27.511129][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.520690][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.532263][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.552032][ T287] device veth1_macvtap entered promiscuous mode [ 27.566257][ T286] device veth1_macvtap entered promiscuous mode [ 27.575433][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 27.585161][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.595254][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 27.604226][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.613692][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 27.625719][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 27.635151][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 27.644035][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 27.659523][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 27.669217][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.680190][ T289] device veth1_macvtap entered promiscuous mode [ 27.697667][ T288] request_module fs-gadgetfs succeeded, but still no fs? [ 27.719812][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 27.740382][ T312] xt_hashlimit: size too large, truncated to 1048576 [ 27.747699][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 27.757033][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 27.765977][ T315] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 27.794217][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 27.804279][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.824285][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 27.835622][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 27.875016][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 27.883484][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.894563][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 27.914000][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 27.972392][ T319] ================================================================== [ 27.980858][ T319] BUG: KASAN: use-after-free in rcu_segcblist_enqueue+0x62/0xb0 [ 27.989091][ T319] Write of size 8 at addr ffff888133944190 by task syz.0.1/319 [ 27.996728][ T319] [ 27.999050][ T319] CPU: 0 PID: 319 Comm: syz.0.1 Not tainted syzkaller #0 [ 28.006243][ T319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 28.016567][ T319] Call Trace: [ 28.020238][ T319] [ 28.023218][ T319] __dump_stack+0x21/0x24 [ 28.027579][ T319] dump_stack_lvl+0x110/0x170 [ 28.032724][ T319] ? __cfi_dump_stack_lvl+0x8/0x8 [ 28.038386][ T319] ? rcu_segcblist_enqueue+0x62/0xb0 [ 28.043696][ T319] print_address_description+0x71/0x200 [ 28.049256][ T319] print_report+0x4a/0x60 [ 28.053681][ T319] kasan_report+0x122/0x150 [ 28.058199][ T319] ? rcu_segcblist_enqueue+0x62/0xb0 [ 28.063488][ T319] __asan_report_store8_noabort+0x17/0x20 [ 28.069321][ T319] rcu_segcblist_enqueue+0x62/0xb0 [ 28.074530][ T319] call_rcu+0x554/0xf50 [ 28.078737][ T319] ? __cfi_call_rcu+0x10/0x10 [ 28.083420][ T319] ? mutex_unlock+0x8f/0x230 [ 28.088713][ T319] ? __cfi_mutex_unlock+0x10/0x10 [ 28.093741][ T319] ? __kasan_check_write+0x14/0x20 [ 28.098952][ T319] ? l2tp_session_delete+0x48/0x4d0 [ 28.104249][ T319] pppol2tp_release+0x1e3/0x2b0 [ 28.109384][ T319] sock_close+0xc9/0x220 [ 28.113647][ T319] ? __cfi_sock_close+0x10/0x10 [ 28.119025][ T319] __fput+0x1fd/0x8f0 [ 28.123102][ T319] ____fput+0x15/0x20 [ 28.127086][ T319] task_work_run+0x1e1/0x250 [ 28.131684][ T319] ? __cfi_task_work_run+0x10/0x10 [ 28.136989][ T319] ? __cfi___close_range+0x10/0x10 [ 28.142705][ T319] ? do_user_addr_fault+0x9a5/0x1030 [ 28.147994][ T319] exit_to_user_mode_loop+0x9b/0xb0 [ 28.153209][ T319] exit_to_user_mode_prepare+0x87/0xd0 [ 28.158673][ T319] syscall_exit_to_user_mode+0x1a/0x30 [ 28.164320][ T319] do_syscall_64+0x58/0xa0 [ 28.168758][ T319] ? clear_bhb_loop+0x30/0x80 [ 28.173454][ T319] ? clear_bhb_loop+0x30/0x80 [ 28.178149][ T319] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 28.184217][ T319] RIP: 0033:0x7f1877b9e159 [ 28.188810][ T319] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 28.208415][ T319] RSP: 002b:00007ffe2a90a948 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 28.216858][ T319] RAX: 0000000000000000 RBX: 00007ffe2a90aa30 RCX: 00007f1877b9e159 [ 28.224926][ T319] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 28.233595][ T319] RBP: 0000000000006d0a R08: 0000000000000001 R09: 0000000000000000 [ 28.241736][ T319] R10: 0000001b2d920000 R11: 0000000000000246 R12: 00007ffe2a90aa70 [ 28.249794][ T319] R13: 00007f1877e25fac R14: 0000000000006d4a R15: 00007f1877e25fa0 [ 28.258329][ T319] [ 28.262313][ T319] [ 28.264633][ T319] Allocated by task 322: [ 28.269124][ T319] kasan_set_track+0x4b/0x70 [ 28.273905][ T319] kasan_save_alloc_info+0x1f/0x30 [ 28.279167][ T319] __kasan_kmalloc+0x95/0xb0 [ 28.284034][ T319] __kmalloc+0xb4/0x1e0 [ 28.288452][ T319] l2tp_session_create+0x38/0xbd0 [ 28.293572][ T319] pppol2tp_connect+0xbf5/0x1640 [ 28.298895][ T319] __sys_connect+0x3da/0x460 [ 28.304024][ T319] __x64_sys_connect+0x7a/0x90 [ 28.308914][ T319] x64_sys_call+0x88d/0x9a0 [ 28.314065][ T319] do_syscall_64+0x4c/0xa0 [ 28.318587][ T319] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 28.324695][ T319] [ 28.327023][ T319] Freed by task 308: [ 28.330994][ T319] kasan_set_track+0x4b/0x70 [ 28.335689][ T319] kasan_save_free_info+0x2b/0x40 [ 28.340821][ T319] ____kasan_slab_free+0x132/0x180 [ 28.345931][ T319] __kasan_slab_free+0x11/0x20 [ 28.350788][ T319] slab_free_freelist_hook+0xc2/0x190 [ 28.356242][ T319] __kmem_cache_free+0xb7/0x1b0 [ 28.361185][ T319] kfree+0x6f/0xf0 [ 28.365176][ T319] l2tp_session_put+0xaf/0x1a0 [ 28.370032][ T319] l2tp_session_delete+0x3df/0x4d0 [ 28.376236][ T319] l2tp_tunnel_del_work+0x199/0x410 [ 28.381494][ T319] process_one_work+0x717/0xc30 [ 28.386362][ T319] worker_thread+0xa4d/0x11d0 [ 28.391181][ T319] kthread+0x281/0x320 [ 28.395446][ T319] ret_from_fork+0x1f/0x30 [ 28.399869][ T319] [ 28.402191][ T319] Last potentially related work creation: [ 28.407907][ T319] kasan_save_stack+0x3a/0x60 [ 28.412646][ T319] __kasan_record_aux_stack+0xb6/0xc0 [ 28.418017][ T319] kasan_record_aux_stack_noalloc+0xb/0x10 [ 28.423824][ T319] call_rcu+0xcf/0xf50 [ 28.427908][ T319] pppol2tp_release+0x1e3/0x2b0 [ 28.432854][ T319] sock_close+0xc9/0x220 [ 28.437679][ T319] __fput+0x1fd/0x8f0 [ 28.442045][ T319] ____fput+0x15/0x20 [ 28.446144][ T319] task_work_run+0x1e1/0x250 [ 28.450770][ T319] exit_to_user_mode_loop+0x9b/0xb0 [ 28.456072][ T319] exit_to_user_mode_prepare+0x87/0xd0 [ 28.461558][ T319] syscall_exit_to_user_mode+0x1a/0x30 [ 28.467107][ T319] do_syscall_64+0x58/0xa0 [ 28.471548][ T319] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 28.477470][ T319] [ 28.479808][ T319] The buggy address belongs to the object at ffff888133944000 [ 28.479808][ T319] which belongs to the cache kmalloc-512 of size 512 [ 28.494040][ T319] The buggy address is located 400 bytes inside of [ 28.494040][ T319] 512-byte region [ffff888133944000, ffff888133944200) [ 28.507770][ T319] [ 28.510185][ T319] The buggy address belongs to the physical page: [ 28.516586][ T319] page:ffffea0004ce5100 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x133944 [ 28.526846][ T319] head:ffffea0004ce5100 order:2 compound_mapcount:0 compound_pincount:0 [ 28.535191][ T319] flags: 0x4000000000010200(slab|head|zone=1) [ 28.541281][ T319] raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00 [ 28.549912][ T319] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 28.558595][ T319] page dumped because: kasan: bad access detected [ 28.565095][ T319] page_owner tracks the page as allocated [ 28.570814][ T319] page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 322, tgid 319 (syz.0.1), ts 27971763857, free_ts 27967336703 [ 28.593874][ T319] post_alloc_hook+0x1f5/0x210 [ 28.598665][ T319] prep_new_page+0x1c/0x110 [ 28.603259][ T319] get_page_from_freelist+0x2ca9/0x2d20 [ 28.608987][ T319] __alloc_pages+0x1fa/0x610 [ 28.613864][ T319] alloc_slab_page+0x6e/0xf0 [ 28.618887][ T319] new_slab+0x98/0x3e0 [ 28.623227][ T319] ___slab_alloc+0x70f/0xb70 [ 28.627862][ T319] __slab_alloc+0x5e/0xa0 [ 28.632200][ T319] __kmem_cache_alloc_node+0x204/0x2d0 [ 28.637668][ T319] __kmalloc+0xa4/0x1e0 [ 28.641852][ T319] l2tp_session_create+0x38/0xbd0 [ 28.646972][ T319] pppol2tp_connect+0xbf5/0x1640 [ 28.652089][ T319] __sys_connect+0x3da/0x460 [ 28.656779][ T319] __x64_sys_connect+0x7a/0x90 [ 28.661674][ T319] x64_sys_call+0x88d/0x9a0 [ 28.666175][ T319] do_syscall_64+0x4c/0xa0 [ 28.670690][ T319] page last free stack trace: [ 28.675628][ T319] free_unref_page_prepare+0x81b/0x820 [ 28.681206][ T319] free_unref_page+0x93/0x530 [ 28.685982][ T319] __free_pages+0x67/0x100 [ 28.690599][ T319] free_pages+0x82/0x90 [ 28.694786][ T319] __stack_depot_save+0x45f/0x490 [ 28.699930][ T319] kasan_set_track+0x60/0x70 [ 28.704639][ T319] kasan_save_alloc_info+0x1f/0x30 [ 28.709797][ T319] __kasan_kmalloc+0x95/0xb0 [ 28.714476][ T319] kmalloc_trace+0x40/0xb0 [ 28.718912][ T319] ref_tracker_alloc+0x16b/0x4a0 [ 28.723947][ T319] ___neigh_create+0xb86/0x1db0 [ 28.728831][ T319] __neigh_create+0x31/0x40 [ 28.733439][ T319] ip6_finish_output2+0xaaf/0x18b0 [ 28.738969][ T319] ip6_finish_output+0x60b/0xbe0 [ 28.744471][ T319] ip6_output+0x1fa/0x410 [ 28.748921][ T319] ip6_xmit+0xc57/0x1510 [ 28.753365][ T319] [ 28.755696][ T319] Memory state around the buggy address: [ 28.761421][ T319] ffff888133944080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.769869][ T319] ffff888133944100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.778107][ T319] >ffff888133944180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.786169][ T319] ^ [ 28.790749][ T319] ffff888133944200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.798803][ T319] ffff888133944280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.806870][ T319] ================================================================== [ 28.814935][ T319] Disabling lock debugging due to kernel taint [ 28.848560][ T326] random: crng reseeded on system resumption [ 29.159937][ T323] syz.2.3 (323) used greatest stack depth: 21096 bytes left