syzkaller login: [ 259.261093][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 259.292866][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 259.335144][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 267.985279][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:10913' (ECDSA) to the list of known hosts. 1970/01/01 00:05:34 fuzzer started 1970/01/01 00:05:48 dialing manager at localhost:38799 [ 353.476914][ T2026] cgroup: Unknown subsys name 'net' [ 354.391692][ T2026] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:05:54 syscalls: 2918 1970/01/01 00:05:54 code coverage: enabled 1970/01/01 00:05:54 comparison tracing: enabled 1970/01/01 00:05:54 extra coverage: enabled 1970/01/01 00:05:54 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:05:54 setuid sandbox: enabled 1970/01/01 00:05:54 namespace sandbox: enabled 1970/01/01 00:05:54 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:05:54 fault injection: enabled 1970/01/01 00:05:54 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:05:54 net packet injection: enabled 1970/01/01 00:05:54 net device setup: enabled 1970/01/01 00:05:54 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:05:54 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:05:54 NIC VF setup: PCI device 0000:00:11.0 is not available 1970/01/01 00:05:54 USB emulation: enabled 1970/01/01 00:05:54 hci packet injection: /dev/vhci does not exist 1970/01/01 00:05:54 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:05:54 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:05:54 fetching corpus: 0, signal 0/2000 (executing program) 1970/01/01 00:05:59 fetching corpus: 50, signal 31184/34692 (executing program) 1970/01/01 00:06:01 fetching corpus: 100, signal 42051/47004 (executing program) 1970/01/01 00:06:04 fetching corpus: 150, signal 49521/55906 (executing program) 1970/01/01 00:06:07 fetching corpus: 200, signal 56244/63918 (executing program) 1970/01/01 00:06:10 fetching corpus: 250, signal 61839/70773 (executing program) 1970/01/01 00:06:12 fetching corpus: 300, signal 66122/76297 (executing program) 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fetching corpus: 9814, signal 236600/240541 (executing program) 1970/01/01 00:13:34 fetching corpus: 9864, signal 236997/240541 (executing program) 1970/01/01 00:13:36 fetching corpus: 9914, signal 237385/240551 (executing program) 1970/01/01 00:13:38 fetching corpus: 9964, signal 237746/240551 (executing program) 1970/01/01 00:13:40 fetching corpus: 10014, signal 238040/240551 (executing program) 1970/01/01 00:13:42 fetching corpus: 10064, signal 238315/240551 (executing program) 1970/01/01 00:13:44 fetching corpus: 10114, signal 238599/240554 (executing program) 1970/01/01 00:13:47 fetching corpus: 10161, signal 238897/240576 (executing program) 1970/01/01 00:13:47 fetching corpus: 10162, signal 238919/240576 (executing program) 1970/01/01 00:13:47 fetching corpus: 10162, signal 238919/240576 (executing program) 1970/01/01 00:15:45 starting 2 fuzzer processes 00:15:45 executing program 0: r0 = socket$inet_sctp(0x2, 0x5, 0x84) setsockopt$inet_sctp_SCTP_AUTOCLOSE(r0, 0x84, 0x4, &(0x7f0000000040)=0xfffffffa, 0x4) 00:15:45 executing program 1: r0 = memfd_secret(0x0) ioctl$NS_GET_PARENT(r0, 0x5460, 0xec000) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/dev_mcast\x00') read$FUSE(r1, &(0x7f00000021c0)={0x2020, 0x0, 0x0, 0x0}, 0x2020) setreuid(0x0, r2) getresuid(&(0x7f0000000000), &(0x7f0000000040), &(0x7f00000000c0)=0x0) r4 = syz_open_procfs(0x0, &(0x7f0000000080)='net/dev_mcast\x00') read$FUSE(r4, &(0x7f00000021c0)={0x2020, 0x0, 0x0, 0x0}, 0x2020) setreuid(0x0, r5) setresuid(r2, r3, r5) [ 969.366371][ T2045] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 969.544133][ T2045] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 972.542298][ T2047] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 972.709677][ T2047] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 981.293685][ T2045] device hsr_slave_0 entered promiscuous mode [ 981.343626][ T2045] device hsr_slave_1 entered promiscuous mode [ 984.266172][ T2047] device hsr_slave_0 entered promiscuous mode [ 984.312290][ T2047] device hsr_slave_1 entered promiscuous mode [ 984.325429][ T2047] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 984.334555][ T2047] Cannot create hsr debugfs directory [ 989.701489][ T2045] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 990.072631][ T2045] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 990.233149][ T2045] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 990.341701][ T2045] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 991.785136][ T2047] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 991.981517][ T2047] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 992.115162][ T2047] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 992.265814][ T2047] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 999.734154][ T2045] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1001.084763][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1001.179570][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1004.762895][ T2047] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1005.549978][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1005.609216][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1014.680407][ T2203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1014.791392][ T2203] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1014.867391][ T2203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1014.976980][ T2203] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1015.441015][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1017.013977][ T2203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1017.331153][ T2650] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1017.394996][ T2650] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1017.762181][ T2203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1017.822012][ T2203] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1018.112809][ T2045] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1018.546997][ T2045] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 1018.550899][ T2045] CPU: 0 PID: 2045 Comm: syz-executor.0 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1018.552603][ T2045] Hardware name: riscv-virtio,qemu (DT) [ 1018.555355][ T2045] Call Trace: [ 1018.556479][ T2045] [] dump_backtrace+0x2e/0x3c [ 1018.558412][ T2045] [] show_stack+0x34/0x40 [ 1018.560162][ T2045] [] dump_stack_lvl+0xe4/0x150 [ 1018.561652][ T2045] [] dump_stack+0x1c/0x24 [ 1018.563038][ T2045] [] panic+0x24a/0x634 [ 1018.564132][ T2045] [] schedule+0x0/0x14c [ 1018.565445][ T2045] [] preempt_schedule_common+0x4e/0xde [ 1018.566890][ T2045] [] preempt_schedule+0x34/0x36 [ 1018.568779][ T2045] [] _raw_spin_unlock_irqrestore+0x8c/0x98 [ 1018.570312][ T2045] [] debug_check_no_obj_freed+0x14c/0x24a [ 1018.571800][ T2045] [] free_pcp_prepare+0x24e/0x45e [ 1018.573159][ T2045] [] free_unref_page+0x6a/0x31e [ 1018.574510][ T2045] [] __free_pages+0xe2/0x112 [ 1018.575926][ T2045] [] __free_slab+0x122/0x27c [ 1018.577202][ T2045] [] discard_slab+0x4c/0x7a [ 1018.578970][ T2045] [] __unfreeze_partials+0x16a/0x18e [ 1018.580279][ T2045] [] put_cpu_partial+0xf6/0x162 [ 1018.582919][ T2045] [] __slab_free+0x166/0x29c [ 1018.584293][ T2045] [] ___cache_free+0x17c/0x354 [ 1018.585503][ T2045] [] qlist_free_all+0x7c/0x132 [ 1018.586832][ T2045] [] kasan_quarantine_reduce+0x14c/0x1c8 [ 1018.588729][ T2045] [] __kasan_slab_alloc+0x5c/0x98 [ 1018.590636][ T2045] [] __kmalloc+0x156/0x318 [ 1018.591858][ T2045] [] kzalloc.constprop.0+0x24/0x2e [ 1018.593231][ T2045] [] tnode_new+0x1be/0x230 [ 1018.594948][ T2045] [] resize+0x3f0/0x18d2 [ 1018.596289][ T2045] [] fib_insert_alias+0x63c/0x750 [ 1018.597649][ T2045] [] fib_table_insert+0x3a8/0xebe [ 1018.599427][ T2045] [] fib_magic+0x3f4/0x438 [ 1018.600633][ T2045] [] fib_add_ifaddr+0xd2/0x2e2 [ 1018.601906][ T2045] [] fib_inetaddr_event+0xfe/0x19e [ 1018.603077][ T2045] [] notifier_call_chain+0xb8/0x188 [ 1018.604445][ T2045] [] blocking_notifier_call_chain+0x50/0x78 [ 1018.605806][ T2045] [] __inet_insert_ifa+0x6ca/0x7e4 [ 1018.607182][ T2045] [] inet_rtm_newaddr+0x7c2/0xbc2 [ 1018.608871][ T2045] [] rtnetlink_rcv_msg+0x338/0x9a0 [ 1018.610394][ T2045] [] netlink_rcv_skb+0xf8/0x2be [ 1018.611652][ T2045] [] rtnetlink_rcv+0x26/0x30 [ 1018.612952][ T2045] [] netlink_unicast+0x40e/0x5fe [ 1018.614152][ T2045] [] netlink_sendmsg+0x4e0/0x994 [ 1018.615384][ T2045] [] sock_sendmsg+0xa0/0xc4 [ 1018.616693][ T2045] [] __sys_sendto+0x1f2/0x2e0 [ 1018.618157][ T2045] [] sys_sendto+0x3e/0x52 [ 1018.620076][ T2045] [] ret_from_syscall+0x0/0x2 [ 1018.621687][ T2045] SMP: stopping secondary CPUs [ 1018.624788][ T2045] Rebooting in 86400 seconds.. VM DIAGNOSIS: 20:35:02 Registers: info registers vcpu 0 pc ffffffff831a24bc mhartid 0000000000000000 mstatus 00000000000000a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff8000f97e sepc ffffffff8010b26a mcause 0000000000000009 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff831a18d8 x2/sp ffffaf800eff35c0 x3/gp ffffffff85863ac0 x4/tp ffffaf800be38000 x5/t0 ffffaf800e4be020 x6/t1 fffffffef0ab829b x7/t2 4d50a1b3878fee1d x8/s0 ffffaf800eff35a0 x9/s1 0000000000000000 x10/a0 0000000000000000 x11/a1 0000000000000000 x12/a2 1ffff5f0017c7004 x13/a3 ffffffff802372d0 x14/a4 ffffaf800be39000 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 ffffffff855c14df x18/s2 ffffaf800be38000 x19/s3 0000000000000000 x20/s4 0000000000000002 x21/s5 0000000000000001 x22/s6 ffffffffffffffff x23/s7 0000000000000020 x24/s8 ffffffff86c1a620 x25/s9 ffffffff8588a420 x26/s10 0000000000000000 x27/s11 ffffaf800be38000 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f001dfe664 x31/t6 ffffaf800f87d840 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 ffffffff80c0b51e mhartid 0000000000000001 mstatus 00000000000000a0 mip 00000000000002a0 mie 000000000000022a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff80475ab2 sepc ffffffff831afd22 mcause 8000000000000007 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff80c0b51e x2/sp ffffaf800be42540 x3/gp ffffffff85863ac0 x4/tp ffffaf800bae8000 x5/t0 ffffffff86bcb657 x6/t1 fffff5ef0b53910c x7/t2 0000000000000000 x8/s0 ffffaf800be425a0 x9/s1 ffffffff838d2e20 x10/a0 0000000000000000 x11/a1 00000000000f0000 x12/a2 0000000000000002 x13/a3 ffffffff80099a1e x14/a4 7a89ed2542366600 x15/a5 7a89ed2542366600 x16/a6 0000000000f00000 x17/a7 ffffaf805a9c8863 x18/s2 0000000000000072 x19/s3 ffffffff86e51420 x20/s4 0000000000000000 x21/s5 00000000000007fd x22/s6 ffffffff83623360 x23/s7 ffffffff8344cc80 x24/s8 ffffffff831a6b00 x25/s9 ffffaf800be40000 x26/s10 ffffffff86da0498 x27/s11 0000000000000000 x28/t3 fffffffff3f3f300 x29/t4 fffff5ef0b53910c x30/t5 fffff5ef0b53910d x31/t6 ffffaf800be42038 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