syzkaller login: [ 283.523886][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 283.638170][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 325.434500][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:12664' (ECDSA) to the list of known hosts. 1970/01/01 00:05:52 fuzzer started 1970/01/01 00:06:06 dialing manager at localhost:37007 [ 372.003416][ T2043] cgroup: Unknown subsys name 'net' [ 372.969146][ T2043] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:06:12 syscalls: 2853 1970/01/01 00:06:12 code coverage: enabled 1970/01/01 00:06:12 comparison tracing: enabled 1970/01/01 00:06:12 extra coverage: enabled 1970/01/01 00:06:12 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:06:12 setuid sandbox: enabled 1970/01/01 00:06:12 namespace sandbox: enabled 1970/01/01 00:06:12 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:06:12 fault injection: enabled 1970/01/01 00:06:12 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:06:12 net packet injection: enabled 1970/01/01 00:06:12 net device setup: enabled 1970/01/01 00:06:12 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:06:12 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:06:12 USB emulation: enabled 1970/01/01 00:06:12 hci packet injection: /dev/vhci does not exist 1970/01/01 00:06:12 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:06:12 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:06:13 fetching corpus: 0, signal 0/2000 (executing program) 1970/01/01 00:06:18 fetching corpus: 50, signal 31700/35263 (executing program) 1970/01/01 00:06:21 fetching corpus: 100, signal 41605/46707 (executing program) 1970/01/01 00:06:26 fetching corpus: 150, signal 54511/60920 (executing program) 1970/01/01 00:06:30 fetching corpus: 200, signal 63202/70946 (executing program) 1970/01/01 00:06:32 fetching corpus: 250, signal 69083/78123 (executing program) 1970/01/01 00:06:35 fetching corpus: 300, signal 76191/86381 (executing program) 1970/01/01 00:06:37 fetching corpus: 350, signal 80643/92052 (executing program) 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(executing program) 1970/01/01 00:13:27 fetching corpus: 6906, signal 274087/278753 (executing program) 1970/01/01 00:13:30 fetching corpus: 6956, signal 274476/278760 (executing program) 1970/01/01 00:13:31 fetching corpus: 6983, signal 275293/278761 (executing program) 1970/01/01 00:13:31 fetching corpus: 6983, signal 275293/278761 (executing program) 1970/01/01 00:15:39 starting 2 fuzzer processes 00:15:39 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellink={0x34, 0x11, 0x1, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'vlan1\x00'}]}, 0x34}}, 0x0) 00:15:39 executing program 1: r0 = syz_open_dev$dri(&(0x7f0000000000), 0x0, 0x0) ioctl$DRM_IOCTL_GET_MAP(r0, 0xc0286404, &(0x7f00000001c0)={&(0x7f0000ffb000/0x2000)=nil}) [ 970.453773][ T2055] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 970.561761][ T2055] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 972.778685][ T2054] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 972.983181][ T2054] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 983.778101][ T2055] device hsr_slave_0 entered promiscuous mode [ 983.841667][ T2055] device hsr_slave_1 entered promiscuous mode [ 987.160611][ T2054] device hsr_slave_0 entered promiscuous mode [ 987.222787][ T2054] device hsr_slave_1 entered promiscuous mode [ 987.243940][ T2054] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 987.253081][ T2054] Cannot create hsr debugfs directory [ 992.991737][ T2055] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 993.151025][ T2055] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 993.262848][ T2055] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 993.563424][ T2055] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 996.218294][ T2054] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 996.423053][ T2054] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 996.611101][ T2054] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 996.808829][ T2054] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 1014.588055][ T2055] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1015.452946][ T2494] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1015.614332][ T2494] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1015.872812][ T2054] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1015.906706][ T2054] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 1015.908524][ T2054] CPU: 1 PID: 2054 Comm: syz-executor.1 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1015.910013][ T2054] Hardware name: riscv-virtio,qemu (DT) [ 1015.910895][ T2054] Call Trace: [ 1015.912153][ T2054] [] dump_backtrace+0x2e/0x3c [ 1015.913168][ T2054] [] show_stack+0x34/0x40 [ 1015.914006][ T2054] [] dump_stack_lvl+0xe4/0x150 [ 1015.915919][ T2054] [] dump_stack+0x1c/0x24 [ 1015.917696][ T2054] [] panic+0x24a/0x634 [ 1015.918855][ T2054] [] schedule+0x0/0x14c [ 1015.920106][ T2054] [] preempt_schedule_common+0x4e/0xde [ 1015.921410][ T2054] [] try_to_wake_up+0x47a/0x748 [ 1015.922702][ T2054] [] wake_up_q+0x50/0xac [ 1015.923935][ T2054] [] __mutex_unlock_slowpath+0x1ba/0x3a2 [ 1015.925994][ T2054] [] mutex_unlock+0xe/0x16 [ 1015.927928][ T2054] [] __rtnl_unlock+0x34/0x80 [ 1015.929213][ T2054] [] netdev_run_todo+0x1ee/0x752 [ 1015.930462][ T2054] [] rtnetlink_rcv_msg+0x346/0x9a0 [ 1015.931798][ T2054] [] netlink_rcv_skb+0xf8/0x2be [ 1015.933057][ T2054] [] rtnetlink_rcv+0x26/0x30 [ 1015.934244][ T2054] [] netlink_unicast+0x40e/0x5fe [ 1015.935810][ T2054] [] netlink_sendmsg+0x4e0/0x994 [ 1015.937120][ T2054] [] sock_sendmsg+0xa0/0xc4 [ 1015.938369][ T2054] [] __sys_sendto+0x1f2/0x2e0 [ 1015.939538][ T2054] [] sys_sendto+0x3e/0x52 [ 1015.940777][ T2054] [] ret_from_syscall+0x0/0x2 [ 1015.942310][ T2054] SMP: stopping secondary CPUs [ 1015.944871][ T2054] Rebooting in 86400 seconds.. VM DIAGNOSIS: 06:59:22 Registers: info registers vcpu 0 pc ffffffff80dc15ca mhartid 0000000000000000 mstatus 00000000000000a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff8000f97e sepc ffffffff831afd22 mcause 0000000000000009 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff80dc15ca x2/sp ffffaf801429ab60 x3/gp ffffffff85863ac0 x4/tp ffffaf8009f91840 x5/t0 ffffffff86bcb657 x6/t1 e2078a39ae8e2700 x7/t2 0000000000000000 x8/s0 ffffaf801429ab80 x9/s1 ffffffff86e58900 x10/a0 ffff8f800066c001 x11/a1 0000000000000007 x12/a2 1ffffffff0dcb129 x13/a3 ffffffff80dc15ca x14/a4 0000000000000000 x15/a5 ffffffff86e58948 x16/a6 ffffffff86e589f1 x17/a7 ffffffff80dcc2ca x18/s2 0000000000000001 x19/s3 ffffaf801429ac60 x20/s4 ffffffff86e58900 x21/s5 0000000000000000 x22/s6 ffffffff86e58950 x23/s7 ffffffff8588c3e0 x24/s8 ffffffff8588c220 x25/s9 ffffffff84a88520 x26/s10 ffffffff858655c0 x27/s11 0000000000000000 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f002853518 x31/t6 ffffffff86bcb657 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 ffffffff80200f00 mhartid 0000000000000001 mstatus 00000000000000a2 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff8000f97e sepc 00007fff9e35843c mcause 0000000000000009 scause 0000000000000008 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff8046ff84 x2/sp ffffaf800b13f690 x3/gp ffffffff85863ac0 x4/tp ffffaf800d836100 x5/t0 ffffaf800b13fba0 x6/t1 e2078a39ae8e2700 x7/t2 0000000000000008 x8/s0 ffffaf800b13f6f0 x9/s1 0000000000001000 x10/a0 0000000000000000 x11/a1 ffffaf800d837100 x12/a2 0000000000000002 x13/a3 ffffffff80b07954 x14/a4 ffffaf800d837100 x15/a5 ffffaf805a9c8840 x16/a6 0000000000f00000 x17/a7 ffffffff8040f576 x18/s2 0000000000400cc0 x19/s3 0000000000400cc0 x20/s4 ffffffffffffffff x21/s5 ffffffff826ed85a x22/s6 ffffffff85889780 x23/s7 0000000000000000 x24/s8 ffffffff85869700 x25/s9 00000000000000e8 x26/s10 0000000000000000 x27/s11 ffffaf800c151c6a x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f001627e98 x31/t6 0000000000000200 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