syzkaller login: [ 266.824136][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 266.900060][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 293.794738][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:12292' (ECDSA) to the list of known hosts. 1970/01/01 00:05:48 fuzzer started 1970/01/01 00:06:01 dialing manager at localhost:40001 [ 367.095137][ T2037] cgroup: Unknown subsys name 'net' [ 368.191596][ T2037] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:06:08 syscalls: 2918 1970/01/01 00:06:08 code coverage: enabled 1970/01/01 00:06:08 comparison tracing: enabled 1970/01/01 00:06:08 extra coverage: enabled 1970/01/01 00:06:08 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:06:08 setuid sandbox: enabled 1970/01/01 00:06:08 namespace sandbox: enabled 1970/01/01 00:06:08 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:06:08 fault injection: enabled 1970/01/01 00:06:08 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:06:08 net packet injection: enabled 1970/01/01 00:06:08 net device setup: enabled 1970/01/01 00:06:08 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:06:08 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:06:08 NIC VF setup: PCI device 0000:00:11.0 is not available 1970/01/01 00:06:08 USB emulation: enabled 1970/01/01 00:06:08 hci packet injection: /dev/vhci does not exist 1970/01/01 00:06:08 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:06:08 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:06:08 fetching corpus: 0, signal 0/2000 (executing program) 1970/01/01 00:06:12 fetching corpus: 50, signal 29371/32975 (executing program) 1970/01/01 00:06:16 fetching corpus: 100, signal 45444/50521 (executing program) 1970/01/01 00:06:20 fetching corpus: 150, signal 54019/60529 (executing program) 1970/01/01 00:06:22 fetching corpus: 200, signal 60918/68808 (executing program) 1970/01/01 00:06:25 fetching corpus: 250, signal 66743/76000 (executing program) 1970/01/01 00:06:28 fetching corpus: 299, signal 74189/84620 (executing program) 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fetching corpus: 14477, signal 283135/286619 (executing program) 1970/01/01 00:17:33 fetching corpus: 14527, signal 283334/286621 (executing program) 1970/01/01 00:17:35 fetching corpus: 14576, signal 283600/286621 (executing program) 1970/01/01 00:17:37 fetching corpus: 14625, signal 283890/286621 (executing program) 1970/01/01 00:17:39 fetching corpus: 14674, signal 284078/286631 (executing program) 1970/01/01 00:17:39 fetching corpus: 14675, signal 284085/286631 (executing program) 1970/01/01 00:17:39 fetching corpus: 14675, signal 284085/286631 (executing program) 1970/01/01 00:19:30 starting 2 fuzzer processes 00:19:31 executing program 0: syz_emit_ethernet(0x36, &(0x7f0000000040)={@local, @empty, @void, {@ipv6={0x86dd, @generic={0x0, 0x6, "d1c59e", 0x0, 0x67, 0x0, @ipv4={'\x00', '\xff\xff', @multicast1}, @local}}}}, 0x0) 00:19:31 executing program 1: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000500)={'erspan0\x00', 0x0}) r2 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) ioctl$sock_inet6_SIOCADDRT(r2, 0x890b, &(0x7f00000001c0)={@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', @private2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, r1}) [ 1197.303169][ T2057] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1197.909187][ T2057] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1198.003232][ T2058] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1198.532690][ T2058] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1209.534763][ T2057] device hsr_slave_0 entered promiscuous mode [ 1209.583065][ T2057] device hsr_slave_1 entered promiscuous mode [ 1211.006826][ T2058] device hsr_slave_0 entered promiscuous mode [ 1211.073888][ T2058] device hsr_slave_1 entered promiscuous mode [ 1211.101709][ T2058] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1211.105959][ T2058] Cannot create hsr debugfs directory [ 1217.725252][ T2057] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 1218.011623][ T2057] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 1218.222517][ T2057] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 1218.514873][ T2057] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 1219.385551][ T2058] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1219.573374][ T2058] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1219.782702][ T2058] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1219.974919][ T2058] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1230.846589][ T2058] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1232.241218][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1232.320376][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1233.295606][ T2057] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1234.005699][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1234.082497][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1243.562926][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1243.626287][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1243.932543][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1244.002581][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1244.359765][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1244.835396][ T2218] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1245.772186][ T2162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1245.823639][ T2162] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1246.153652][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1246.213062][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1246.724104][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1246.829707][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1246.861086][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1247.556905][ T2058] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1247.652059][ T2058] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1247.814768][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1247.915108][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1247.944505][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1248.805890][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1248.923074][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1249.250842][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1249.304478][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1249.579728][ T2057] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1256.946096][ T2041] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1256.984422][ T2041] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1257.653270][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1257.683754][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1278.760202][ T2041] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 1278.832999][ T2041] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1279.363427][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 1279.449079][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1287.513232][ T2041] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 1287.599436][ T2041] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1287.785059][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1287.821673][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1287.864825][ T2058] device veth0_vlan entered promiscuous mode [ 1288.461634][ T2041] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 1288.534212][ T2041] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1288.600074][ T2058] device veth1_vlan entered promiscuous mode [ 1288.774655][ T2041] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1288.835632][ T2041] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1288.984665][ T2057] device veth0_vlan entered promiscuous mode [ 1289.821384][ T2057] device veth1_vlan entered promiscuous mode [ 1290.693162][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 1290.726718][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1291.026056][ T2058] device veth0_macvtap entered promiscuous mode [ 1291.314732][ T2058] device veth1_macvtap entered promiscuous mode [ 1291.686633][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1291.736680][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 1291.773803][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1292.123794][ T2057] device veth0_macvtap entered promiscuous mode [ 1292.435414][ T2218] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 1292.494106][ T2218] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1292.562389][ T2057] device veth1_macvtap entered promiscuous mode [ 1293.126058][ T2058] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1293.153828][ T2058] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1293.155663][ T2058] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1293.159259][ T2058] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1293.400852][ T2162] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1293.449553][ T2162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1294.050645][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 1294.094513][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1294.651476][ T2041] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1294.694469][ T2041] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1294.992193][ T2057] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1294.993991][ T2057] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1294.995534][ T2057] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1294.998810][ T2057] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 00:21:40 executing program 0: r0 = socket$can_bcm(0x1d, 0x2, 0x2) connect(r0, &(0x7f0000000240)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev}}}, 0x80) sendmsg$can_bcm(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000440)={0x5, 0x0, 0x0, {}, {0x77359400}, {0x0, 0x0, 0x0, 0x1}, 0x1, @can={{}, 0x0, 0x0, 0x0, 0x0, "2dc2d7d9bcb17cac"}}, 0x48}}, 0x0) 00:21:41 executing program 1: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000500)={'erspan0\x00', 0x0}) r2 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) ioctl$sock_inet6_SIOCADDRT(r2, 0x890b, &(0x7f00000001c0)={@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', @private2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, r1}) [ 1304.216457][ T1793] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 1304.219373][ T1793] CPU: 0 PID: 1793 Comm: jbd2/vda-8 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1304.221353][ T1793] Hardware name: riscv-virtio,qemu (DT) [ 1304.223214][ T1793] Call Trace: [ 1304.224169][ T1793] [] dump_backtrace+0x2e/0x3c [ 1304.225617][ T1793] [] show_stack+0x34/0x40 [ 1304.226843][ T1793] [] dump_stack_lvl+0xe4/0x150 [ 1304.228925][ T1793] [] dump_stack+0x1c/0x24 [ 1304.230264][ T1793] [] panic+0x24a/0x634 [ 1304.231412][ T1793] [] schedule+0x0/0x14c [ 1304.232665][ T1793] [] preempt_schedule_common+0x4e/0xde [ 1304.234010][ T1793] [] preempt_schedule+0x34/0x36 [ 1304.235313][ T1793] [] __blk_mq_delay_run_hw_queue+0x4f4/0x5f2 [ 1304.236776][ T1793] [] blk_mq_run_hw_queue+0x276/0x39e [ 1304.238723][ T1793] [] blk_mq_sched_insert_requests+0x1d6/0x8c2 [ 1304.240119][ T1793] [] blk_mq_flush_plug_list+0x2c6/0x992 [ 1304.241494][ T1793] [] blk_finish_plug+0x9c/0xe6 [ 1304.242764][ T1793] [] jbd2_journal_commit_transaction+0x29cc/0x4a38 [ 1304.244203][ T1793] [] kjournald2+0x19e/0x614 [ 1304.245390][ T1793] [] kthread+0x19e/0x1fa [ 1304.246619][ T1793] [] ret_from_exception+0x0/0x10 [ 1304.249080][ T1793] SMP: stopping secondary CPUs [ 1304.252521][ T1793] Rebooting in 86400 seconds.. VM DIAGNOSIS: 09:44:21 Registers: info registers vcpu 0 pc ffffffff80110fdc mhartid 0000000000000000 mstatus 00000000000000a0 mip 00000000000002a0 mie 000000000000022a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff80c2cb20 sepc ffffffff831afd22 mcause 8000000000000007 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff80112886 x2/sp ffffaf800f8d2d60 x3/gp ffffffff85863ac0 x4/tp ffffaf800c009840 x5/t0 ffffffff84a99dd8 x6/t1 cbb5f1e6d35a6600 x7/t2 0000000000000000 x8/s0 ffffaf800f8d2f10 x9/s1 ffffffff86c1a620 x10/a0 ffffaf800c009840 x11/a1 ffffaf800c00a260 x12/a2 0000000000000008 x13/a3 ffffffff80112e3c x14/a4 0000000000000000 x15/a5 0000000000000001 x16/a6 ffffffff866c1599 x17/a7 ffffffff801073d4 x18/s2 0000000000000003 x19/s3 00000000000c0003 x20/s4 ffffffffffffffff x21/s5 ffffaf800c00a258 x22/s6 ffffffff858c4ca0 x23/s7 ffffffff86c1a620 x24/s8 ffffaf800c00a260 x25/s9 ffffaf805a9c85e8 x26/s10 00000000000c0003 x27/s11 ffffaf800c009840 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f001f1a5f4 x31/t6 ffffffff86bda986 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000 info registers vcpu 1 pc ffffffff8010dd7a mhartid 0000000000000001 mstatus 00000000000000a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff8000f97e sepc ffffffff801165e0 mcause 0000000000000009 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff8010dd9a x2/sp ffffaf800ea0f220 x3/gp ffffffff85863ac0 x4/tp ffffaf800cf30000 x5/t0 ffffaf800ea0fe20 x6/t1 ffffffff8010dc46 x7/t2 0000000000000000 x8/s0 ffffaf800ea0f340 x9/s1 ffffffff8686d1b8 x10/a0 ffffffff86874258 x11/a1 0000000000000007 x12/a2 1ffffffff0bc1308 x13/a3 ffffffff8010ddae x14/a4 dfffffff00000000 x15/a5 ffffffff8010cefa x16/a6 ffffffff86850a73 x17/a7 fffffffff3f3f300 x18/s2 ffffffff86850e48 x19/s3 ffffffff85e11180 x20/s4 0000000000000000 x21/s5 0000000000000fff x22/s6 ffffffff8588bb20 x23/s7 ffffffff85e09180 x24/s8 ffffaf800ea0f2c0 x25/s9 ffffffff8684fe08 x26/s10 ffffffff85e09b28 x27/s11 00000000000000d9 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f001d41ecc x31/t6 0000000000040000 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000