syzkaller login: [ 282.304707][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 291.580545][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 291.626060][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 291.647459][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:53423' (ECDSA) to the list of known hosts. 1970/01/01 00:05:29 fuzzer started 1970/01/01 00:05:47 dialing manager at localhost:45117 [ 355.544100][ T2031] cgroup: Unknown subsys name 'net' [ 356.620139][ T2031] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:05:55 syscalls: 2870 1970/01/01 00:05:56 code coverage: enabled 1970/01/01 00:05:56 comparison tracing: enabled 1970/01/01 00:05:56 extra coverage: ioctl(KCOV_DISABLE) failed: invalid argument 1970/01/01 00:05:56 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:05:56 setuid sandbox: enabled 1970/01/01 00:05:56 namespace sandbox: enabled 1970/01/01 00:05:56 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:05:56 fault injection: enabled 1970/01/01 00:05:56 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:05:56 net packet injection: enabled 1970/01/01 00:05:56 net device setup: enabled 1970/01/01 00:05:56 concurrency sanitizer: 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signal 250002/252362 (executing program) 1970/01/01 00:18:15 starting 2 fuzzer processes 00:18:15 executing program 0: r0 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000f00), 0x82001, 0x0) writev(r0, &(0x7f0000000100)=[{&(0x7f0000000300)='\r', 0x1}], 0x1) 00:18:15 executing program 1: prctl$PR_SET_MM_EXE_FILE(0x23, 0x100000, 0xffffffffffffffff) [ 1129.597793][ T2045] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1130.104348][ T2045] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1130.185144][ T2044] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1130.807842][ T2044] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1142.216862][ T2045] device hsr_slave_0 entered promiscuous mode [ 1142.259212][ T2045] device hsr_slave_1 entered promiscuous mode [ 1144.325343][ T2044] device hsr_slave_0 entered promiscuous mode [ 1144.388639][ T2044] device hsr_slave_1 entered promiscuous mode [ 1144.408200][ T2044] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1144.429907][ T2044] Cannot create hsr debugfs directory [ 1153.606660][ T2045] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 1154.132755][ T2045] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 1154.466716][ T2045] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 1154.787603][ T2045] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 1155.808790][ T2044] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1155.929639][ T2044] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1156.236490][ T2044] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1156.404191][ T2044] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1167.977926][ T2045] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1169.024588][ T2657] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1169.077674][ T2657] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1169.928823][ T2044] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1170.480702][ T82] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1170.577923][ T82] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1175.955536][ T2657] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1176.026308][ T2657] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1176.253777][ T2296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1176.293171][ T2296] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1176.503819][ T2296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1176.698603][ T2296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1177.433311][ T82] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1177.490431][ T82] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1177.726632][ T2107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1177.775062][ T2107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1178.159169][ T2045] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1178.581186][ T19] ================================================================== [ 1178.584424][ T19] BUG: KASAN: global-out-of-bounds in do_page_fault+0x36/0xa3c [ 1178.586000][ T19] Read of size 8 at addr ffffffff858c4c90 by task ksoftirqd/1/19 [ 1178.587327][ T19] [ 1178.589026][ T19] CPU: 1 PID: 19 Comm: ksoftirqd/1 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1178.591070][ T19] Hardware name: riscv-virtio,qemu (DT) [ 1178.592394][ T19] Call Trace: [ 1178.593412][ T19] [] dump_backtrace+0x2e/0x3c [ 1178.593624][ T2044] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 1178.595549][ T19] [] show_stack+0x34/0x40 [ 1178.596734][ T19] [] dump_stack_lvl+0xe4/0x150 [ 1178.598021][ T19] [] print_address_description.constprop.0+0x2a/0x330 [ 1178.601466][ T19] [] kasan_report+0x184/0x1e0 [ 1178.603689][ T19] [] __asan_load8+0x6e/0x96 [ 1178.605733][ T19] [] do_page_fault+0x36/0xa3c [ 1178.607854][ T19] [] ret_from_exception+0x0/0x10 [ 1178.610229][ T19] [ 1178.610233][ T2044] CPU: 0 PID: 2044 Comm: syz-executor.0 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1178.611191][ T2044] Hardware name: riscv-virtio,qemu (DT) [ 1178.613286][ T19] The buggy address belongs to the variable: [ 1178.615296][ T2044] Call Trace: [ 1178.616681][ T19] __lockdep_no_validate__+0x30/0x40 [ 1178.617458][ T2044] [] dump_backtrace+0x2e/0x3c [ 1178.618949][ T19] [ 1178.620062][ T2044] [] show_stack+0x34/0x40 [ 1178.620898][ T19] Memory state around the buggy address: [ 1178.621815][ T2044] [] dump_stack_lvl+0xe4/0x150 [ 1178.624258][ T2044] [] dump_stack+0x1c/0x24 [ 1178.624486][ T19] ffffffff858c4b80: f9 f9 f9 f9 00 00 f9 f9 f9 f9 f9 f9 00 00 f9 f9 [ 1178.624822][ T2044] [] panic+0x24a/0x634 [ 1178.627387][ T19] ffffffff858c4c00: f9 f9 f9 f9 00 00 f9 f9 f9 f9 f9 f9 00 00 f9 f9 [ 1178.628292][ T2044] [] schedule+0x0/0x14c [ 1178.630008][ T19] >ffffffff858c4c80: f9 f9 f9 f9 00 00 00 00 00 00 00 00 00 00 00 00 [ 1178.631018][ T19] ^ [ 1178.632387][ T2044] [] preempt_schedule_common+0x4e/0xde [ 1178.633411][ T19] ffffffff858c4d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 1178.633757][ T19] ffffffff858c4d80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 1178.636032][ T19] ================================================================== [ 1178.636322][ T19] Disabling lock debugging due to kernel taint [ 1178.639808][ T19] Unable to handle kernel paging request at virtual address 0000000000001ffe [ 1178.639659][ T2044] [] preempt_schedule+0x34/0x36 [ 1178.640234][ T2044] [] irq_work_queue+0xc4/0xc6 [ 1178.643620][ T2044] [] __kfence_alloc+0x178/0xe28 [ 1178.644024][ T19] Oops [#1] [ 1178.644816][ T19] Modules linked in: [ 1178.645636][ T2044] [] kmem_cache_alloc_node+0x402/0x41c [ 1178.646571][ T19] CPU: 1 PID: 19 Comm: ksoftirqd/1 Tainted: G B 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1178.647700][ T2044] [] __alloc_skb+0x234/0x2e4 [ 1178.649511][ T19] Hardware name: riscv-virtio,qemu (DT) [ 1178.650270][ T19] epc : 0x1ffe [ 1178.651556][ T2044] [] rtmsg_ifinfo_build_skb+0x62/0x142 [ 1178.652470][ T19] ra : 0x1fff [ 1178.653680][ T2044] [] rtnetlink_event+0x102/0x144 [ 1178.654492][ T19] epc : 0000000000001ffe ra : 0000000000001fff sp : ffffffff858c4ca0 [ 1178.654815][ T19] gp : ffffffff85863ac0 tp : ffffaf8007416100 t0 : 00000000000003e0 [ 1178.656069][ T19] t1 : fffff5ef01caf3ca t2 : 0000000000000000 s0 : 49eae69e17928400 [ 1178.658491][ T19] s1 : ffffaf800cf49000 a0 : ffffaf800be03080 a1 : ffffaf8007416100 [ 1178.659611][ T2044] [] notifier_call_chain+0xb8/0x188 [ 1178.660966][ T19] a2 : 1ffff5f000e877fc a3 : ffffaf800be04618 a4 : ffffaf8007417698 [ 1178.662401][ T19] a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffaf800e579e53 [ 1178.663520][ T2044] [] raw_notifier_call_chain+0x2a/0x38 [ 1178.664996][ T19] s2 : ffffaf800cf48000 s3 : ffffaf800cf48a20 s4 : ffffffff866c2920 [ 1178.666328][ T2044] [] call_netdevice_notifiers_info+0x9e/0x10c [ 1178.667850][ T19] s5 : ffffaf800cf48c00 s6 : 0000000000001fff s7 : 0000000041b58ab3 [ 1178.669277][ T2044] [] dev_set_mac_address+0x218/0x25a [ 1178.671544][ T19] s8 : ffffffff8451f630 s9 : ffffffff80110fdc s10: 0000000000000002 [ 1178.671980][ T19] s11: 0000000000000014 t3 : fffffffff3f3f300 t4 : fffff5ef01caf3ca [ 1178.673586][ T19] t5 : fffff5ef01caf3cb t6 : 0000000000082bbc [ 1178.675404][ T2044] [] dev_set_mac_address_user+0x3a/0x58 [ 1178.676476][ T19] status: 0000000000000100 badaddr: 0000000000001ffe cause: 000000000000000c [ 1178.679195][ T2044] [] do_setlink+0xfb4/0x21c4 [ 1178.680828][ T2044] [] __rtnl_newlink+0x99e/0xfa0 [ 1178.682284][ T2044] [] rtnl_newlink+0x60/0x8c [ 1178.683775][ T2044] [] rtnetlink_rcv_msg+0x338/0x9a0 [ 1178.685298][ T2044] [] netlink_rcv_skb+0xf8/0x2be [ 1178.686867][ T2044] [] rtnetlink_rcv+0x26/0x30 [ 1178.688381][ T2044] [] netlink_unicast+0x40e/0x5fe [ 1178.689749][ T2044] [] netlink_sendmsg+0x4e0/0x994 [ 1178.691369][ T2044] [] sock_sendmsg+0xa0/0xc4 [ 1178.692804][ T2044] [] __sys_sendto+0x1f2/0x2e0 [ 1178.694104][ T2044] [] sys_sendto+0x3e/0x52 [ 1178.695474][ T2044] [] ret_from_syscall+0x0/0x2 [ 1178.697214][ T2044] SMP: stopping secondary CPUs [ 1180.996989][ T2044] SMP: failed to stop secondary CPUs 0-1 [ 1180.999623][ T2044] Rebooting in 86400 seconds.. VM DIAGNOSIS: 23:53:41 Registers: info registers vcpu 0 pc ffffffff80d2f08c mhartid 0000000000000000 mstatus 00000000000000a2 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff8000f97e sepc ffffffff8273abca mcause 0000000000000009 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff80d2f29a x2/sp ffffaf8007419d30 x3/gp ffffffff85863ac0 x4/tp ffffaf800cf48000 x5/t0 ffffaf800ea98218 x6/t1 ffffffff80d2fb6c x7/t2 ffffffff80469750 x8/s0 ffffaf8007419e20 x9/s1 0000000000000000 x10/a0 0000000000000000 x11/a1 00000000000f0000 x12/a2 0000000000000101 x13/a3 ffffffff817e774c x14/a4 0000000000000000 x15/a5 ffffaf800ea981fc x16/a6 0000000000f00000 x17/a7 ffffaf807aa66db7 x18/s2 ffffaf807aa66d80 x19/s3 0000000000000000 x20/s4 0000000000000600 x21/s5 ffffaf800ea98208 x22/s6 ffffffff85892a80 x23/s7 0000000000004a00 x24/s8 ffffaf800ea33000 x25/s9 0000000000000000 x26/s10 0000000000000088 x27/s11 ffffaf800741a000 x28/t3 0000000000000000 x29/t4 fffff5ef01d53041 x30/t5 fffff5ef01d53043 x31/t6 ffffaf800b5da8f4 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 ffffffff80124490 mhartid 0000000000000001 mstatus 0000000000000180 mip 00000000000000a0 mie 000000000000022a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff801126d2 sepc 0000000000001ffe mcause 8000000000000007 scause 000000000000000c mtval 0000000000000000 stval 0000000000001ffe x0/zero 0000000000000000 x1/ra ffffffff8012448c x2/sp ffffffff858c44d0 x3/gp ffffffff85863ac0 x4/tp ffffaf8007416100 x5/t0 ffffffff86bcb657 x6/t1 fffffffef0b188b4 x7/t2 0000000000000000 x8/s0 ffffffff858c4650 x9/s1 ffffffff84a88a00 x10/a0 0000000000000000 x11/a1 00000000000f0000 x12/a2 0000000000000002 x13/a3 ffffffff8012448c x14/a4 ffffaf8007417100 x15/a5 ffffffff801110e4 x16/a6 0000000000f00000 x17/a7 ffffffff858c45a7 x18/s2 0000000000000068 x19/s3 0000000000000100 x20/s4 ffffffff858c45e0 x21/s5 ffffffff858c46e0 x22/s6 ffffffff858c4720 x23/s7 ffffffff858c4978 x24/s8 ffffffff858c46f0 x25/s9 1ffffffff0b188d4 x26/s10 ffffffff85889780 x27/s11 ffffffff858c4720 x28/t3 1ffffffff0b1891c x29/t4 fffffffef0b188b4 x30/t5 fffffffef0b188b5 x31/t6 ffffffff858c4767 f0/ft0 0000000000000000 f1/ft1 40c89d3aa3939760 f2/ft2 417930d600000000 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