syzkaller login: [ 286.585567][ T1860] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 286.659099][ T1860] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 286.712546][ T1860] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 307.168753][ T1860] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:40926' (ECDSA) to the list of known hosts. 1970/01/01 00:06:14 fuzzer started 1970/01/01 00:06:27 dialing manager at localhost:41843 [ 392.321188][ T2033] cgroup: Unknown subsys name 'net' [ 393.441801][ T2033] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:06:33 syscalls: 2918 1970/01/01 00:06:33 code coverage: enabled 1970/01/01 00:06:33 comparison tracing: ioctl(KCOV_DISABLE) failed: invalid argument 1970/01/01 00:06:33 extra coverage: enabled 1970/01/01 00:06:33 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:06:33 setuid sandbox: enabled 1970/01/01 00:06:33 namespace sandbox: enabled 1970/01/01 00:06:33 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:06:33 fault injection: enabled 1970/01/01 00:06:33 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:06:33 net packet injection: enabled 1970/01/01 00:06:33 net device setup: enabled 1970/01/01 00:06:33 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:06:33 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:06:33 NIC VF setup: PCI device 0000:00:11.0 is not available 1970/01/01 00:06:33 USB emulation: enabled 1970/01/01 00:06:33 hci packet injection: /dev/vhci does not exist 1970/01/01 00:06:33 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:06:33 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:06:33 fetching corpus: 0, signal 0/2000 (executing program) 1970/01/01 00:06:40 fetching corpus: 50, signal 26416/29892 (executing program) 1970/01/01 00:06:42 fetching corpus: 99, signal 43987/48674 (executing program) 1970/01/01 00:06:46 fetching corpus: 149, signal 53630/59466 (executing program) 1970/01/01 00:06:48 fetching corpus: 199, signal 61558/68429 (executing program) 1970/01/01 00:06:53 fetching corpus: 249, signal 69241/77029 (executing program) 1970/01/01 00:06:56 fetching corpus: 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(executing program) 1970/01/01 00:11:07 fetching corpus: 5048, signal 192593/199818 (executing program) 1970/01/01 00:11:10 fetching corpus: 5098, signal 193407/199818 (executing program) 1970/01/01 00:11:11 fetching corpus: 5148, signal 193953/199818 (executing program) 1970/01/01 00:11:16 fetching corpus: 5196, signal 194430/199818 (executing program) 1970/01/01 00:11:18 fetching corpus: 5246, signal 194994/199824 (executing program) 1970/01/01 00:11:21 fetching corpus: 5296, signal 195485/199824 (executing program) 1970/01/01 00:11:23 fetching corpus: 5345, signal 196000/199824 (executing program) 1970/01/01 00:11:25 fetching corpus: 5394, signal 196446/199824 (executing program) 1970/01/01 00:11:27 fetching corpus: 5444, signal 196985/199824 (executing program) 1970/01/01 00:11:29 fetching corpus: 5493, signal 197387/199830 (executing program) 1970/01/01 00:11:29 fetching corpus: 5493, signal 197387/199830 (executing program) 1970/01/01 00:13:15 starting 2 fuzzer processes 00:13:15 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) bind$inet6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp6_SCTP_CONTEXT(r0, 0x84, 0x14, &(0x7f0000000040)={r2}, 0x8) 00:13:15 executing program 1: syz_open_dev$dri(&(0x7f0000000100), 0x0, 0x0) r0 = syz_io_uring_setup(0x6d59, &(0x7f0000000080), &(0x7f00000a0000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000000)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3}, 0x0) io_uring_enter(r0, 0x547c, 0x0, 0x0, 0x0, 0x0) [ 822.769948][ T2048] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 822.875567][ T2048] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 825.801843][ T2047] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 825.902830][ T2047] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 835.796046][ T2048] device hsr_slave_0 entered promiscuous mode [ 835.870461][ T2048] device hsr_slave_1 entered promiscuous mode [ 840.215930][ T2047] device hsr_slave_0 entered promiscuous mode [ 840.260045][ T2047] device hsr_slave_1 entered promiscuous mode [ 840.293556][ T2047] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 840.302217][ T2047] Cannot create hsr debugfs directory [ 845.210269][ T2048] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 846.135210][ T2048] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 846.536066][ T2048] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 846.803551][ T2048] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 849.686416][ T2047] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 849.871866][ T2047] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 850.065224][ T2047] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 850.256226][ T2047] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 858.845211][ T2048] 8021q: adding VLAN 0 to HW filter on device bond0 [ 859.625763][ T829] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 859.715094][ T829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 861.895766][ T2047] 8021q: adding VLAN 0 to HW filter on device bond0 [ 862.348760][ T829] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 862.380235][ T829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 866.688685][ T829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 866.750769][ T829] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 867.004295][ T2111] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 867.062125][ T2111] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 867.533999][ T2360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 867.713592][ T2115] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 868.235793][ T829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 868.278224][ T829] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 868.475383][ T2656] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 868.509861][ T2656] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 869.895118][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 869.933176][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 870.298539][ T2656] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 870.354616][ T2656] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 870.592235][ T2360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 870.990296][ T829] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 871.844339][ T829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 871.917051][ T829] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 872.271632][ T2115] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 872.311922][ T2115] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 872.563932][ T2047] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 875.733881][ T2115] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 875.752678][ T2115] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 879.074126][ T2111] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 879.085687][ T2111] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 893.258770][ T2115] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 893.341838][ T2115] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 895.970266][ T2047] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 895.974217][ T2047] CPU: 0 PID: 2047 Comm: syz-executor.0 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 895.976660][ T2047] Hardware name: riscv-virtio,qemu (DT) [ 895.979556][ T2047] Call Trace: [ 895.980496][ T2047] [] dump_backtrace+0x2e/0x3c [ 895.982074][ T2047] [] show_stack+0x34/0x40 [ 895.983309][ T2047] [] dump_stack_lvl+0xe4/0x150 [ 895.984735][ T2047] [] dump_stack+0x1c/0x24 [ 895.986292][ T2047] [] panic+0x24a/0x634 [ 895.987989][ T2047] [] schedule+0x0/0x14c [ 895.989384][ T2047] [] preempt_schedule_common+0x4e/0xde [ 895.991976][ T2047] [] preempt_schedule+0x34/0x36 [ 895.993413][ T2047] [] _raw_spin_unlock_irqrestore+0x8c/0x98 [ 895.994908][ T2047] [] debug_check_no_obj_freed+0x14c/0x24a [ 895.996592][ T2047] [] free_pcp_prepare+0x24e/0x45e [ 895.999061][ T2047] [] free_unref_page+0x6a/0x31e [ 896.000679][ T2047] [] __free_pages+0xe2/0x112 [ 896.002256][ T2047] [] __free_slab+0x122/0x27c [ 896.003839][ T2047] [] discard_slab+0x4c/0x7a [ 896.005456][ T2047] [] __unfreeze_partials+0x16a/0x18e [ 896.007668][ T2047] [] put_cpu_partial+0xf6/0x162 [ 896.009441][ T2047] [] __slab_free+0x166/0x29c [ 896.011072][ T2047] [] ___cache_free+0x17c/0x354 [ 896.012752][ T2047] [] qlist_free_all+0x7c/0x132 [ 896.014382][ T2047] [] kasan_quarantine_reduce+0x14c/0x1c8 [ 896.016079][ T2047] [] __kasan_slab_alloc+0x5c/0x98 [ 896.018273][ T2047] [] kmem_cache_alloc_node+0x368/0x41c [ 896.019772][ T2047] [] __alloc_skb+0x234/0x2e4 [ 896.021206][ T2047] [] rtmsg_fib+0x108/0x2be [ 896.022531][ T2047] [] fib_table_insert+0x52a/0xebe [ 896.023963][ T2047] [] fib_magic+0x3f4/0x438 [ 896.025392][ T2047] [] fib_add_ifaddr+0x1fc/0x2e2 [ 896.027495][ T2047] [] fib_inetaddr_event+0xfe/0x19e [ 896.029301][ T2047] [] notifier_call_chain+0xb8/0x188 [ 896.031143][ T2047] [] blocking_notifier_call_chain+0x50/0x78 [ 896.033053][ T2047] [] __inet_insert_ifa+0x6ca/0x7e4 [ 896.034887][ T2047] [] inet_rtm_newaddr+0x7c2/0xbc2 [ 896.036602][ T2047] [] rtnetlink_rcv_msg+0x338/0x9a0 [ 896.038330][ T2047] [] netlink_rcv_skb+0xf8/0x2be [ 896.039955][ T2047] [] rtnetlink_rcv+0x26/0x30 [ 896.041562][ T2047] [] netlink_unicast+0x40e/0x5fe [ 896.043189][ T2047] [] netlink_sendmsg+0x4e0/0x994 [ 896.044800][ T2047] [] sock_sendmsg+0xa0/0xc4 [ 896.046475][ T2047] [] __sys_sendto+0x1f2/0x2e0 [ 896.047787][ T2047] [] sys_sendto+0x3e/0x52 [ 896.049108][ T2047] [] ret_from_syscall+0x0/0x2 [ 896.050769][ T2047] SMP: stopping secondary CPUs [ 896.053718][ T2047] Rebooting in 86400 seconds.. VM DIAGNOSIS: 04:18:24 Registers: info registers vcpu 0 pc ffffffff80124490 mhartid 0000000000000000 mstatus 00000000000000a0 mip 00000000000000a0 mie 000000000000022a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff80123114 sepc ffffffff831afd22 mcause 8000000000000007 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff8012448c x2/sp ffffaf80204b20a0 x3/gp ffffffff85863ac0 x4/tp ffffaf800b4b1840 x5/t0 ffffffff86bcb657 x6/t1 fffff5ef0409642c x7/t2 0000000000000000 x8/s0 ffffaf80204b2220 x9/s1 ffffffff84a88a00 x10/a0 0000000000000000 x11/a1 00000000000f0000 x12/a2 0000000000000002 x13/a3 ffffffff8012448c x14/a4 ffffaf800b4b2840 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 ffffaf80204b2167 x18/s2 0000000000000030 x19/s3 0000000000000020 x20/s4 ffffaf80204b21a0 x21/s5 ffffaf80204b22a0 x22/s6 ffffaf80204b22e0 x23/s7 ffffaf80204b2548 x24/s8 ffffaf80204b22b0 x25/s9 1ffff5f00409644c x26/s10 ffffffff85889780 x27/s11 ffffaf80204b22e0 x28/t3 1ffff5f004096494 x29/t4 fffff5ef0409642c x30/t5 fffff5ef0409642d x31/t6 ffffaf80204b2328 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 ffffffff8010b22c mhartid 0000000000000001 mstatus 00000000000001a0 mip 00000000000000a0 mie 000000000000020a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff80475af4 sepc ffffffff80475af4 mcause 8000000000000007 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff831a18d8 x2/sp ffffaf80105ca830 x3/gp ffffffff85863ac0 x4/tp ffffaf800cdec8c0 x5/t0 0000000000046000 x6/t1 ffffffff8545ae40 x7/t2 7e28be398be0c0a1 x8/s0 ffffaf80105ca840 x9/s1 0000000000001000 x10/a0 0000000000000120 x11/a1 ffffffffffffffff x12/a2 1ffff5f0019bd919 x13/a3 ffffffff80146d84 x14/a4 0000000000010404 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 ffffffffffffffff x18/s2 ffffaf800cdec8c0 x19/s3 ffffffff84b73ec0 x20/s4 0000000000000000 x21/s5 ffffffff8343c840 x22/s6 ffffffffffffffff x23/s7 ffffffff800c889c x24/s8 ffffffff86c1a620 x25/s9 ffffffff8588a420 x26/s10 ffffaf805a9e7400 x27/s11 ffffffff8018e412 x28/t3 fffffffff3f3f300 x29/t4 fffffffef0d81e13 x30/t5 fffffffef0d81e1a x31/t6 ffffaf8011c9c8cc 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