syzkaller login: [ 298.103107][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 307.390129][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 307.470620][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 307.515027][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:29989' (ECDSA) to the list of known hosts. 1970/01/01 00:05:59 fuzzer started 1970/01/01 00:06:16 dialing manager at localhost:34341 [ 382.873085][ T2032] cgroup: Unknown subsys name 'net' [ 384.104677][ T2032] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:06:23 syscalls: 2818 1970/01/01 00:06:23 code coverage: enabled 1970/01/01 00:06:23 comparison tracing: enabled 1970/01/01 00:06:23 extra coverage: enabled 1970/01/01 00:06:23 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:06:23 setuid sandbox: enabled 1970/01/01 00:06:23 namespace sandbox: enabled 1970/01/01 00:06:23 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:06:23 fault injection: enabled 1970/01/01 00:06:23 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:06:23 net packet injection: enabled 1970/01/01 00:06:23 net device setup: enabled 1970/01/01 00:06:23 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:06:23 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:06:23 USB emulation: enabled 1970/01/01 00:06:23 hci packet injection: /dev/vhci does not exist 1970/01/01 00:06:23 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:06:23 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:06:24 fetching corpus: 0, signal 0/2000 (executing program) 1970/01/01 00:06:29 fetching corpus: 50, signal 26798/30303 (executing program) 1970/01/01 00:06:32 fetching corpus: 99, signal 40221/45124 (executing program) 1970/01/01 00:06:37 fetching corpus: 149, signal 51708/57874 (executing program) 1970/01/01 00:06:41 fetching corpus: 199, signal 59595/66947 (executing program) 1970/01/01 00:06:44 fetching corpus: 249, signal 65122/73660 (executing program) 1970/01/01 00:06:47 fetching corpus: 299, signal 70536/80173 (executing program) 1970/01/01 00:06:51 fetching corpus: 349, signal 76824/87415 (executing program) 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signal 226106/228906 (executing program) 1970/01/01 00:17:31 starting 2 fuzzer processes 00:17:31 executing program 0: r0 = syz_io_uring_setup(0x39de, &(0x7f0000000140), &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000000000), &(0x7f0000000080)) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) syz_io_uring_setup(0x3a0b, &(0x7f00000000c0)={0x0, 0x0, 0x20, 0x0, 0x0, 0x0, r0}, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffd000/0x1000)=nil, &(0x7f0000000040), &(0x7f00000001c0)) 00:17:32 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f00000000c0)={'vxcan1\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000280)=@ipv6_newnexthop={0x20, 0x68, 0x1, 0x0, 0x0, {}, [@NHA_OIF={0x8, 0x5, r2}]}, 0x20}}, 0x0) [ 1084.164853][ T2046] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1084.946824][ T2046] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1085.072424][ T2048] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1085.679307][ T2048] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1102.203857][ T2046] device hsr_slave_0 entered promiscuous mode [ 1102.304511][ T2046] device hsr_slave_1 entered promiscuous mode [ 1108.604558][ T2048] device hsr_slave_0 entered promiscuous mode [ 1108.693448][ T2048] device hsr_slave_1 entered promiscuous mode [ 1108.735052][ T2048] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1108.741790][ T2048] Cannot create hsr debugfs directory [ 1121.220394][ T2046] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1121.572900][ T2046] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1121.822490][ T2046] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1122.270000][ T2046] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1124.616869][ T2048] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 1124.877567][ T2048] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 1125.399686][ T2048] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 1125.873295][ T2048] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 1143.696686][ T2046] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 1143.701217][ T2046] CPU: 0 PID: 2046 Comm: syz-executor.0 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1143.704539][ T2046] Hardware name: riscv-virtio,qemu (DT) [ 1143.706603][ T2046] Call Trace: [ 1143.709192][ T2046] [] dump_backtrace+0x2e/0x3c [ 1143.711043][ T2046] [] show_stack+0x34/0x40 [ 1143.712483][ T2046] [] dump_stack_lvl+0xe4/0x150 [ 1143.714054][ T2046] [] dump_stack+0x1c/0x24 [ 1143.715536][ T2046] [] panic+0x24a/0x634 [ 1143.716869][ T2046] [] schedule+0x0/0x14c [ 1143.718922][ T2046] [] preempt_schedule_common+0x4e/0xde [ 1143.721032][ T2046] [] preempt_schedule+0x34/0x36 [ 1143.722668][ T2046] [] irq_work_queue+0xc4/0xc6 [ 1143.724140][ T2046] [] __kfence_alloc+0x178/0xe28 [ 1143.725773][ T2046] [] kmem_cache_alloc_trace+0x2c6/0x2e0 [ 1143.727642][ T2046] [] nsim_fib_event_nb+0x17e/0x81e [ 1143.729978][ T2046] [] notifier_call_chain+0xb8/0x188 [ 1143.731578][ T2046] [] atomic_notifier_call_chain+0x76/0x1a8 [ 1143.733205][ T2046] [] call_fib_notifiers+0x12c/0x2d2 [ 1143.734800][ T2046] [] call_fib4_notifiers+0x7e/0xe0 [ 1143.736236][ T2046] [] fib_table_insert+0x948/0xebe [ 1143.737864][ T2046] [] fib_magic+0x3f4/0x438 [ 1143.740383][ T2046] [] fib_add_ifaddr+0xd2/0x2e2 [ 1143.741958][ T2046] [] fib_inetaddr_event+0xfe/0x19e [ 1143.743511][ T2046] [] notifier_call_chain+0xb8/0x188 [ 1143.745146][ T2046] [] blocking_notifier_call_chain+0x50/0x78 [ 1143.747840][ T2046] [] __inet_insert_ifa+0x6ca/0x7e4 [ 1143.749589][ T2046] [] inet_rtm_newaddr+0x7c2/0xbc2 [ 1143.751138][ T2046] [] rtnetlink_rcv_msg+0x338/0x9a0 [ 1143.752854][ T2046] [] netlink_rcv_skb+0xf8/0x2be [ 1143.754985][ T2046] [] rtnetlink_rcv+0x26/0x30 [ 1143.757701][ T2046] [] netlink_unicast+0x40e/0x5fe [ 1143.759882][ T2046] [] netlink_sendmsg+0x4e0/0x994 [ 1143.761452][ T2046] [] sock_sendmsg+0xa0/0xc4 [ 1143.762934][ T2046] [] __sys_sendto+0x1f2/0x2e0 [ 1143.764352][ T2046] [] sys_sendto+0x3e/0x52 [ 1143.765887][ T2046] [] ret_from_syscall+0x0/0x2 [ 1143.768170][ T2046] SMP: stopping secondary CPUs [ 1143.771829][ T2046] Rebooting in 86400 seconds.. VM DIAGNOSIS: 12:53:46 Registers: info registers vcpu 0 pc ffffffff80dc337e mhartid 0000000000000000 mstatus 00000000000000a0 mip 00000000000000a0 mie 000000000000022a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff80201140 sepc ffffffff800bdb3e mcause 8000000000000007 scause 8000000000000009 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff80dc337e x2/sp ffffaf80229e2200 x3/gp ffffffff85863ac0 x4/tp ffffaf800ed93080 x5/t0 ffffffff86bcb657 x6/t1 31f7e6d6625cbe00 x7/t2 0000000000000000 x8/s0 ffffaf80229e2230 x9/s1 ffffffff86e58900 x10/a0 ffffffff86e58948 x11/a1 ffff8f800066c000 x12/a2 1ffffffff0dcb129 x13/a3 ffffffff80dc337e x14/a4 0000000000000000 x15/a5 ffffffff86e58948 x16/a6 ffffffff86e589f1 x17/a7 ffffffff80dcc2ca x18/s2 ffff8f800066c000 x19/s3 0000000000000063 x20/s4 ffffffff86e58900 x21/s5 ffffffff80dc333e x22/s6 0000000000000000 x23/s7 ffffffff86bcb6b5 x24/s8 0000000000000010 x25/s9 ffffffff86e58958 x26/s10 0000000000000010 x27/s11 0000000000000000 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f00453c3f0 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 ffffffff8010b22c mhartid 0000000000000001 mstatus 00000000000001a0 mip 00000000000000a0 mie 000000000000020a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff8000f97e sepc ffffffff831afd22 mcause 8000000000000007 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff831a18d8 x2/sp ffffaf800edeb600 x3/gp ffffffff85863ac0 x4/tp ffffaf800e5ec8c0 x5/t0 0000000000046000 x6/t1 31f7e6d6625cbe00 x7/t2 0000000000000032 x8/s0 ffffaf800edeb610 x9/s1 0000000000001000 x10/a0 0000000000000120 x11/a1 ffffffffffffffff x12/a2 1ffff5f001cbd919 x13/a3 ffffffff80146d84 x14/a4 0000000000010002 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 ffffffff8016d898 x18/s2 ffffaf800e5ec8c0 x19/s3 ffffffff84b73ec0 x20/s4 0000000000000002 x21/s5 ffffffff8343c840 x22/s6 ffffffffffffffff x23/s7 ffffffff80188ddc x24/s8 ffffffff86c1a620 x25/s9 ffffffff8588a420 x26/s10 ffffaf805a9e7768 x27/s11 ffffaf805a9e7448 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f001dbd688 x31/t6 0000000000040000 f0/ft0 0000000000000000 f1/ft1 407f119e277a875a f2/ft2 4110606000000000 f3/ft3 43e0000000000000 f4/ft4 3ffe000000000000 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