syzkaller login: [ 263.407504][ T1862] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 263.457174][ T1862] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 272.974733][ T1862] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:1928' (ECDSA) to the list of known hosts. 1970/01/01 00:06:13 fuzzer started 1970/01/01 00:06:25 dialing manager at localhost:41167 [ 390.966350][ T2035] cgroup: Unknown subsys name 'net' [ 391.787949][ T2035] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:06:31 syscalls: 2918 1970/01/01 00:06:31 code coverage: enabled 1970/01/01 00:06:31 comparison tracing: ioctl(KCOV_DISABLE) failed: invalid argument 1970/01/01 00:06:31 extra coverage: enabled 1970/01/01 00:06:31 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:06:31 setuid sandbox: enabled 1970/01/01 00:06:31 namespace sandbox: enabled 1970/01/01 00:06:31 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:06:31 fault injection: enabled 1970/01/01 00:06:31 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:06:31 net packet injection: enabled 1970/01/01 00:06:31 net device setup: enabled 1970/01/01 00:06:31 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:06:31 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:06:31 NIC VF setup: PCI device 0000:00:11.0 is not available 1970/01/01 00:06:31 USB emulation: enabled 1970/01/01 00:06:31 hci packet injection: /dev/vhci does not exist 1970/01/01 00:06:31 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:06:31 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:06:31 fetching corpus: 0, signal 0/2000 (executing program) 1970/01/01 00:06:35 fetching corpus: 50, signal 29696/33096 (executing program) 1970/01/01 00:06:39 fetching corpus: 100, signal 43532/48199 (executing program) 1970/01/01 00:06:43 fetching corpus: 150, signal 53331/59135 (executing program) 1970/01/01 00:06:46 fetching corpus: 200, signal 62612/69381 (executing program) 1970/01/01 00:06:48 fetching corpus: 250, signal 66181/74129 (executing program) 1970/01/01 00:06:50 fetching corpus: 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program) 1970/01/01 00:10:27 fetching corpus: 4477, signal 190580/195165 (executing program) 1970/01/01 00:10:29 fetching corpus: 4527, signal 191188/195246 (executing program) 1970/01/01 00:10:32 fetching corpus: 4577, signal 192273/195369 (executing program) 1970/01/01 00:10:34 fetching corpus: 4626, signal 192886/195440 (executing program) 1970/01/01 00:10:37 fetching corpus: 4675, signal 193467/195493 (executing program) 1970/01/01 00:10:38 fetching corpus: 4690, signal 193542/195531 (executing program) 1970/01/01 00:10:38 fetching corpus: 4690, signal 193542/195556 (executing program) 1970/01/01 00:10:38 fetching corpus: 4690, signal 193542/195575 (executing program) 1970/01/01 00:10:38 fetching corpus: 4690, signal 193558/195575 (executing program) 1970/01/01 00:10:38 fetching corpus: 4690, signal 193558/195575 (executing program) 1970/01/01 00:12:34 starting 2 fuzzer processes 00:12:34 executing program 0: syz_emit_ethernet(0x4e, &(0x7f0000000080)={@local, @local, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "2b924d", 0x18, 0x33, 0x0, @remote, @private0, {[@srh={0x3b}], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "879f5e", 0x0, "b9b7bb"}}}}}}}, 0x0) 00:12:35 executing program 1: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000540), 0x1, 0x4a3, &(0x7f0000000580)="$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") [ 774.301902][ T2051] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 774.304817][ T2051] CPU: 0 PID: 2051 Comm: syz-executor.0 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 774.306953][ T2051] Hardware name: riscv-virtio,qemu (DT) [ 774.309257][ T2051] Call Trace: [ 774.310202][ T2051] [] dump_backtrace+0x2e/0x3c [ 774.311575][ T2051] [] show_stack+0x34/0x40 [ 774.313080][ T2051] [] dump_stack_lvl+0xe4/0x150 [ 774.315169][ T2051] [] dump_stack+0x1c/0x24 [ 774.316462][ T2051] [] panic+0x24a/0x634 [ 774.317537][ T2051] [] schedule+0x0/0x14c [ 774.318729][ T2051] [] preempt_schedule_common+0x4e/0xde [ 774.320034][ T2051] [] preempt_schedule+0x34/0x36 [ 774.321346][ T2051] [] __kernfs_new_node+0x5e8/0x5f2 [ 774.323461][ T2051] [] kernfs_new_node+0x66/0xbe [ 774.325370][ T2051] [] __kernfs_create_file+0x4e/0x1e8 [ 774.326646][ T2051] [] sysfs_add_file_mode_ns+0x138/0x254 [ 774.327827][ T2051] [] internal_create_group+0x274/0x722 [ 774.329049][ T2051] [] internal_create_groups.part.0+0x64/0xe8 [ 774.330353][ T2051] [] sysfs_create_groups+0x2c/0x48 [ 774.331518][ T2051] [] kobject_add_internal+0x3d6/0x65e [ 774.333397][ T2051] [] kobject_init_and_add+0xda/0x13c [ 774.334734][ T2051] [] netdev_queue_update_kobjects+0x1ac/0x3ba [ 774.336010][ T2051] [] netdev_register_kobject+0x1d4/0x208 [ 774.337249][ T2051] [] register_netdevice+0x8ee/0xc6a [ 774.338498][ T2051] [] wg_newlink+0x33c/0x57a [ 774.339645][ T2051] [] __rtnl_newlink+0xc16/0xfa0 [ 774.340843][ T2051] [] rtnl_newlink+0x60/0x8c [ 774.342060][ T2051] [] rtnetlink_rcv_msg+0x338/0x9a0 [ 774.343872][ T2051] [] netlink_rcv_skb+0xf8/0x2be [ 774.345057][ T2051] [] rtnetlink_rcv+0x26/0x30 [ 774.346219][ T2051] [] netlink_unicast+0x40e/0x5fe [ 774.347330][ T2051] [] netlink_sendmsg+0x4e0/0x994 [ 774.348414][ T2051] [] sock_sendmsg+0xa0/0xc4 [ 774.349590][ T2051] [] __sys_sendto+0x1f2/0x2e0 [ 774.350685][ T2051] [] sys_sendto+0x3e/0x52 [ 774.351818][ T2051] [] ret_from_syscall+0x0/0x2 [ 774.353769][ T2051] SMP: stopping secondary CPUs [ 774.356341][ T2051] Rebooting in 86400 seconds.. VM DIAGNOSIS: 08:59:01 Registers: info registers vcpu 0 pc ffffffff801211d8 mhartid 0000000000000000 mstatus 00000000000000a0 mip 00000000000000a0 mie 000000000000022a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff80200f72 sepc ffffffff8010b26a mcause 8000000000000007 scause 8000000000000009 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff801211d0 x2/sp ffffaf800f8be2e0 x3/gp ffffffff85863ac0 x4/tp ffffaf8009bd6100 x5/t0 ffffffff86bcb657 x6/t1 ffffaf800f8be560 x7/t2 0000000000000000 x8/s0 ffffaf800f8be4a0 x9/s1 ffffaf800f8be420 x10/a0 000000b4484a778c x11/a1 00000000000f0000 x12/a2 0000000000000002 x13/a3 ffffffff8018d116 x14/a4 ffffaf8009bd7100 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 fffffffff2000000 x18/s2 0000000000000020 x19/s3 0000000000000000 x20/s4 ffffaf800f8be608 x21/s5 0000000000000000 x22/s6 ffffffff838d2ec0 x23/s7 ffffaf800f8be608 x24/s8 0000000000000000 x25/s9 1ffff5f001f17c64 x26/s10 ffffffff85889780 x27/s11 ffffaf800cc05bc8 x28/t3 1ffff5f001f17cac x29/t4 fffff5ef0b53910c x30/t5 fffff5ef0b53910d x31/t6 ffffaf800f8be138 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 00000000000000a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff8000f97e sepc ffffffff801165e0 mcause 0000000000000009 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff8000a0aa x2/sp ffffaf800d846f70 x3/gp ffffffff85863ac0 x4/tp ffffaf800e5f1840 x5/t0 fffff5ef01d2c800 x6/t1 49ae19b2ae2fcb00 x7/t2 000000c0001e5c00 x8/s0 ffffaf800d847020 x9/s1 ffffaf800e5f1840 x10/a0 0000000000000000 x11/a1 ffffaf800e5f2840 x12/a2 0000000000000001 x13/a3 ffffffff80162954 x14/a4 0000000000000003 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 49ae19b2ae2fcb00 x18/s2 ffffaf800d847470 x19/s3 0000000000000000 x20/s4 0000000000000009 x21/s5 ffffffff831a70f8 x22/s6 0000000000003fff x23/s7 0000000000000001 x24/s8 ffffffff831a70f8 x25/s9 ffffffffffffc000 x26/s10 ffffaf800d847080 x27/s11 0000000000000008 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f001b08df4 x31/t6 0000000000083348 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