syzkaller login: [ 276.832214][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 285.768498][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 285.857287][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 285.900653][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:25721' (ECDSA) to the list of known hosts. 1970/01/01 00:05:38 fuzzer started 1970/01/01 00:05:53 dialing manager at localhost:36543 [ 358.669174][ T2025] cgroup: Unknown subsys name 'net' [ 359.632915][ T2025] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:05:59 syscalls: 2853 1970/01/01 00:05:59 code coverage: enabled 1970/01/01 00:05:59 comparison tracing: enabled 1970/01/01 00:05:59 extra coverage: enabled 1970/01/01 00:05:59 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:05:59 setuid sandbox: enabled 1970/01/01 00:05:59 namespace sandbox: enabled 1970/01/01 00:05:59 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:05:59 fault injection: enabled 1970/01/01 00:05:59 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:05:59 net packet injection: enabled 1970/01/01 00:05:59 net device setup: enabled 1970/01/01 00:05:59 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:05:59 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:05:59 USB emulation: enabled 1970/01/01 00:05:59 hci packet injection: /dev/vhci does not exist 1970/01/01 00:05:59 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:05:59 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:05:59 fetching corpus: 0, signal 0/2000 (executing program) 1970/01/01 00:06:04 fetching corpus: 49, signal 34757/38413 (executing program) 1970/01/01 00:06:06 fetching corpus: 99, signal 45069/50351 (executing program) 1970/01/01 00:06:09 fetching corpus: 149, signal 52244/59075 (executing program) 1970/01/01 00:06:12 fetching corpus: 199, signal 63118/71390 (executing program) 1970/01/01 00:06:16 fetching corpus: 249, signal 81113/90415 (executing program) 1970/01/01 00:06:18 fetching corpus: 299, signal 86730/97358 (executing program) 1970/01/01 00:06:20 fetching corpus: 349, signal 93883/105711 (executing program) 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signal 358916/364905 (executing program) 1970/01/01 00:16:18 fetching corpus: 13239, signal 359315/364910 (executing program) 1970/01/01 00:16:20 fetching corpus: 13287, signal 359873/364910 (executing program) 1970/01/01 00:16:22 fetching corpus: 13337, signal 360344/364910 (executing program) 1970/01/01 00:16:24 fetching corpus: 13384, signal 360828/364918 (executing program) 1970/01/01 00:16:27 fetching corpus: 13431, signal 361154/364918 (executing program) 1970/01/01 00:16:28 fetching corpus: 13458, signal 361305/364923 (executing program) 1970/01/01 00:16:28 fetching corpus: 13458, signal 361305/364923 (executing program) 1970/01/01 00:18:16 starting 2 fuzzer processes 00:18:16 executing program 0: r0 = memfd_secret(0x0) ioctl$NS_GET_PARENT(r0, 0x5460, 0xec000) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='stat\x00') fcntl$F_SET_FILE_RW_HINT(r1, 0x40e, &(0x7f0000000040)=0x1) read$FUSE(r1, &(0x7f0000002100)={0x2020}, 0x203d) 00:18:16 executing program 1: bpf$MAP_CREATE(0x0, &(0x7f0000000340)=@base={0x16, 0x0, 0xfb, 0xff, 0x0, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x1}, 0x48) [ 1126.891480][ T2040] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1127.008121][ T2040] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1129.179773][ T2039] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1129.268437][ T2039] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1139.058205][ T2040] device hsr_slave_0 entered promiscuous mode [ 1139.131889][ T2040] device hsr_slave_1 entered promiscuous mode [ 1144.148489][ T2039] device hsr_slave_0 entered promiscuous mode [ 1144.201565][ T2039] device hsr_slave_1 entered promiscuous mode [ 1144.240721][ T2039] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1144.258164][ T2039] Cannot create hsr debugfs directory [ 1149.942968][ T2040] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 1150.236187][ T2040] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 1150.513647][ T2040] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 1150.807178][ T2040] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 1152.648222][ T2039] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1152.778980][ T2039] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1152.908348][ T2039] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1152.978808][ T2039] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1167.901809][ T2040] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1168.790056][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1168.930592][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1170.532198][ T2039] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1171.448979][ T2102] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1171.528296][ T2102] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1180.308394][ T830] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1180.382534][ T830] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1181.292934][ T2102] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1181.351192][ T2102] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1181.410345][ T2102] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1181.489911][ T2102] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1182.180270][ T830] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1182.293045][ T830] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1182.677372][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1182.771960][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1183.121764][ T2638] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1183.211737][ T2638] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1183.462123][ T2040] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1183.818086][ T830] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1183.887986][ T830] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1184.572080][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1185.110608][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1185.383689][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1185.390828][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1186.186050][ T2102] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1186.237918][ T2102] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1186.952217][ T2039] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1186.980759][ T2039] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1187.579767][ T2656] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1187.673849][ T2656] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1188.475285][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1188.479064][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1206.336612][ T2706] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 1206.340774][ T2706] CPU: 0 PID: 2706 Comm: modprobe Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1206.343675][ T2706] Hardware name: riscv-virtio,qemu (DT) [ 1206.345637][ T2706] Call Trace: [ 1206.346704][ T2706] [] dump_backtrace+0x2e/0x3c [ 1206.348212][ T2706] [] show_stack+0x34/0x40 [ 1206.350090][ T2706] [] dump_stack_lvl+0xe4/0x150 [ 1206.351375][ T2706] [] dump_stack+0x1c/0x24 [ 1206.352717][ T2706] [] panic+0x24a/0x634 [ 1206.353976][ T2706] [] schedule+0x0/0x14c [ 1206.355856][ T2706] [] preempt_schedule_common+0x4e/0xde [ 1206.357235][ T2706] [] preempt_schedule+0x34/0x36 [ 1206.358563][ T2706] [] _raw_spin_unlock_irqrestore+0x8c/0x98 [ 1206.359971][ T2706] [] debug_check_no_obj_freed+0x14c/0x24a [ 1206.361296][ T2706] [] free_pcp_prepare+0x24e/0x45e [ 1206.362573][ T2706] [] free_unref_page+0x6a/0x31e [ 1206.363955][ T2706] [] __free_pages+0xe2/0x112 [ 1206.366025][ T2706] [] __free_slab+0x122/0x27c [ 1206.367539][ T2706] [] discard_slab+0x4c/0x7a [ 1206.368854][ T2706] [] __unfreeze_partials+0x16a/0x18e [ 1206.370294][ T2706] [] put_cpu_partial+0xf6/0x162 [ 1206.371595][ T2706] [] __slab_free+0x166/0x29c [ 1206.372878][ T2706] [] ___cache_free+0x17c/0x354 [ 1206.374366][ T2706] [] qlist_free_all+0x7c/0x132 [ 1206.376302][ T2706] [] kasan_quarantine_reduce+0x14c/0x1c8 [ 1206.377802][ T2706] [] __kasan_slab_alloc+0x5c/0x98 [ 1206.379282][ T2706] [] kmem_cache_alloc+0x338/0x3de [ 1206.380632][ T2706] [] vm_area_alloc+0x2e/0xaa [ 1206.381972][ T2706] [] mmap_region+0x62e/0xa88 [ 1206.383494][ T2706] [] do_mmap+0x784/0x8d2 [ 1206.385449][ T2706] [] vm_mmap_pgoff+0x1a2/0x24e [ 1206.386787][ T2706] [] ksys_mmap_pgoff+0x288/0x2ea [ 1206.388084][ T2706] [] sys_mmap+0x9e/0xc4 [ 1206.389439][ T2706] [] ret_from_syscall+0x0/0x2 [ 1206.391047][ T2706] SMP: stopping secondary CPUs [ 1206.393612][ T2706] Rebooting in 86400 seconds.. VM DIAGNOSIS: 02:56:08 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 ffffaf80243a6d50 x3/gp ffffffff85863ac0 x4/tp ffffaf8009dd3080 x5/t0 ffffffff86bcb657 x6/t1 c486645add9afe00 x7/t2 0000000000000000 x8/s0 ffffaf80243a6d70 x9/s1 ffffffff86e58900 x10/a0 ffff8f800066c002 x11/a1 0000000000000007 x12/a2 1ffffffff0dcb129 x13/a3 ffffffff80dc15ca x14/a4 0000000000000000 x15/a5 ffffffff86e58948 x16/a6 ffffffff86e589f1 x17/a7 ffffffff80dcc2ca x18/s2 0000000000000002 x19/s3 ffffffff86e589ec x20/s4 ffffffff86e58900 x21/s5 0000000000000010 x22/s6 ffffffff86e58950 x23/s7 ffffffff86e58b88 x24/s8 0000000000000000 x25/s9 ffffffff86e58958 x26/s10 ffffffff858655c0 x27/s11 0000000000000000 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f004874d58 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 ffffffff80475ab2 mhartid 0000000000000001 mstatus 00000000000000a2 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff8000f97e sepc 00007fffab17c2fc mcause 0000000000000009 scause 0000000000000008 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff831a2498 x2/sp ffffaf800e4379d0 x3/gp ffffffff85863ac0 x4/tp ffffaf8023e40000 x5/t0 ffffaf8023a86b18 x6/t1 c486645add9afe00 x7/t2 fffffffffffff000 x8/s0 ffffaf800e437900 x9/s1 ffffffff866d5160 x10/a0 ffffaf8023e40a18 x11/a1 0000000000000007 x12/a2 1ffff5f0047c8143 x13/a3 ffffffff80112e3c x14/a4 0000000000000000 x15/a5 0000000000000000 x16/a6 ffffffff866d0598 x17/a7 ffffffff803e7a46 x18/s2 ffffffff858c4cd0 x19/s3 ffffffff86650ff8 x20/s4 0000000000000000 x21/s5 0000000000000001 x22/s6 0000000000000002 x23/s7 ffffaf800bb2d468 x24/s8 0000000000000000 x25/s9 ffffaf800bb2d400 x26/s10 ffffffff858693c0 x27/s11 ffffaf800bb2d460 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f001c86f04 x31/t6 0000000000000006 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