syzkaller login: [ 262.622099][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 262.688323][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 295.963215][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:5555' (ECDSA) to the list of known hosts. 1970/01/01 00:05:52 fuzzer started 1970/01/01 00:06:04 dialing manager at localhost:42735 [ 370.819125][ T2045] cgroup: Unknown subsys name 'net' [ 372.083700][ T2045] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:06:11 syscalls: 2918 1970/01/01 00:06:11 code coverage: enabled 1970/01/01 00:06:11 comparison tracing: enabled 1970/01/01 00:06:11 extra coverage: enabled 1970/01/01 00:06:11 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:06:11 setuid sandbox: enabled 1970/01/01 00:06:11 namespace sandbox: enabled 1970/01/01 00:06:11 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:06:11 fault injection: enabled 1970/01/01 00:06:12 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:06:12 net packet injection: enabled 1970/01/01 00:06:12 net device setup: enabled 1970/01/01 00:06:12 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:06:12 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:06:12 NIC VF setup: PCI device 0000:00:11.0 is not available 1970/01/01 00:06:12 USB emulation: enabled 1970/01/01 00:06:12 hci packet injection: /dev/vhci does not exist 1970/01/01 00:06:12 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:06:12 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:06:12 fetching corpus: 0, signal 0/2000 (executing program) 1970/01/01 00:06:18 fetching corpus: 50, signal 32485/35869 (executing program) 1970/01/01 00:06:21 fetching corpus: 99, signal 45045/49798 (executing program) 1970/01/01 00:06:25 fetching corpus: 149, signal 54767/60757 (executing program) 1970/01/01 00:06:27 fetching corpus: 199, signal 59825/67046 (executing program) 1970/01/01 00:06:30 fetching corpus: 248, signal 65595/73960 (executing program) 1970/01/01 00:06:33 fetching corpus: 298, signal 69037/78577 (executing program) 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1970/01/01 00:12:09 fetching corpus: 6253, signal 213079/216081 (executing program) 1970/01/01 00:12:14 fetching corpus: 6302, signal 213583/216100 (executing program) 1970/01/01 00:12:18 fetching corpus: 6352, signal 213931/216113 (executing program) 1970/01/01 00:12:19 fetching corpus: 6355, signal 214023/216113 (executing program) 1970/01/01 00:12:19 fetching corpus: 6355, signal 214023/216113 (executing program) 1970/01/01 00:14:28 starting 2 fuzzer processes 00:14:29 executing program 0: r0 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_PCM_INFO(r0, 0xc4c85512, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, '\x00', '\x00', '\x00', 0x0, 0x0, 0x0, 0x0, "f39735423a0376821b167118c6699cb0"}) 00:14:29 executing program 1: setsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x4142, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x42, 0x0) ioctl$FS_IOC_FSSETXATTR(r1, 0x401c5820, &(0x7f0000000000)={0x26}) pwritev(r1, &(0x7f0000000a80)=[{&(0x7f0000000980)='+', 0x1}], 0x1, 0x100bfaa, 0x0) r2 = syz_open_procfs$userns(0x0, &(0x7f0000000100)) write$P9_RREADLINK(r1, &(0x7f00000006c0)={0x10, 0x17, 0x2, {0x7, './file1'}}, 0x10) ioctl$NS_GET_PARENT(r2, 0x5460, 0xec000) ftruncate(r0, 0x0) [ 910.274099][ T2062] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 910.424636][ T2063] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 910.531194][ T2062] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 910.786594][ T2063] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 923.938838][ T2062] device hsr_slave_0 entered promiscuous mode [ 923.980329][ T2062] device hsr_slave_1 entered promiscuous mode [ 924.751183][ T2063] device hsr_slave_0 entered promiscuous mode [ 924.812118][ T2063] device hsr_slave_1 entered promiscuous mode [ 924.858852][ T2063] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 924.863350][ T2063] Cannot create hsr debugfs directory [ 932.524011][ T2062] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 932.836834][ T2062] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 933.114165][ T2062] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 933.318244][ T2062] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 933.320120][ T2062] CPU: 0 PID: 2062 Comm: syz-executor.1 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 933.321719][ T2062] Hardware name: riscv-virtio,qemu (DT) [ 933.322968][ T2062] Call Trace: [ 933.323965][ T2062] [] dump_backtrace+0x2e/0x3c [ 933.325433][ T2062] [] show_stack+0x34/0x40 [ 933.327193][ T2062] [] dump_stack_lvl+0xe4/0x150 [ 933.328525][ T2062] [] dump_stack+0x1c/0x24 [ 933.329776][ T2062] [] panic+0x24a/0x634 [ 933.330915][ T2062] [] schedule+0x0/0x14c [ 933.332158][ T2062] [] preempt_schedule_common+0x4e/0xde [ 933.333534][ T2062] [] preempt_schedule+0x34/0x36 [ 933.334828][ T2062] [] _raw_spin_unlock_irqrestore+0x8c/0x98 [ 933.336786][ T2062] [] pcpu_alloc+0x7ca/0x1278 [ 933.338150][ T2062] [] __alloc_percpu_gfp+0x28/0x36 [ 933.339526][ T2062] [] fib6_nh_init+0x37a/0x10c0 [ 933.340793][ T2062] [] ip6_route_info_create+0xb70/0xf78 [ 933.342110][ T2062] [] ip6_route_add+0x2a/0x148 [ 933.343388][ T2062] [] addrconf_prefix_route+0x25a/0x3ec [ 933.344641][ T2062] [] addrconf_add_linklocal+0x1a0/0x312 [ 933.346555][ T2062] [] addrconf_addr_gen+0x2c8/0x2d2 [ 933.348543][ T2062] [] addrconf_dev_config+0x208/0x3a0 [ 933.349774][ T2062] [] addrconf_notify+0xaa4/0x1360 [ 933.350982][ T2062] [] notifier_call_chain+0xb8/0x188 [ 933.352254][ T2062] [] raw_notifier_call_chain+0x2a/0x38 [ 933.353572][ T2062] [] call_netdevice_notifiers_info+0x9e/0x10c [ 933.354848][ T2062] [] __dev_notify_flags+0x108/0x1fa [ 933.356718][ T2062] [] dev_change_flags+0x9c/0xba [ 933.358026][ T2062] [] do_setlink+0x5d6/0x21c4 [ 933.359288][ T2062] [] __rtnl_newlink+0x99e/0xfa0 [ 933.360553][ T2062] [] rtnl_newlink+0x60/0x8c [ 933.361802][ T2062] [] rtnetlink_rcv_msg+0x338/0x9a0 [ 933.363094][ T2062] [] netlink_rcv_skb+0xf8/0x2be [ 933.364290][ T2062] [] rtnetlink_rcv+0x26/0x30 [ 933.365929][ T2062] [] netlink_unicast+0x40e/0x5fe [ 933.367736][ T2062] [] netlink_sendmsg+0x4e0/0x994 [ 933.368943][ T2062] [] sock_sendmsg+0xa0/0xc4 [ 933.370166][ T2062] [] __sys_sendto+0x1f2/0x2e0 [ 933.371386][ T2062] [] sys_sendto+0x3e/0x52 [ 933.372635][ T2062] [] ret_from_syscall+0x0/0x2 [ 933.374161][ T2062] SMP: stopping secondary CPUs [ 933.376848][ T2062] Rebooting in 86400 seconds.. VM DIAGNOSIS: 00:28:51 Registers: info registers vcpu 0 pc ffffffff801214fe 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 ffffffff80c386c2 x2/sp ffffaf8009cc1a80 x3/gp ffffffff85863ac0 x4/tp ffffaf800e558000 x5/t0 ffffffff84a98360 x6/t1 fffff5ef01398380 x7/t2 0000000000000000 x8/s0 ffffaf8009cc1a20 x9/s1 ffffffff86bd924a x10/a0 0000000000000000 x11/a1 00000000000f0000 x12/a2 0000000000000002 x13/a3 ffffffff80c3872e x14/a4 0000000000000000 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 ffffaf8009cc1c07 x18/s2 ffffffff80c2d562 x19/s3 000000000000006c x20/s4 0000000000000000 x21/s5 ffffffff83607dc4 x22/s6 ffffaf8009cc2060 x23/s7 1ffff5f001398358 x24/s8 ffffffff85889780 x25/s9 0000000000000004 x26/s10 0000000000ffffff x27/s11 ffffaf8009cc1c00 x28/t3 1ffff5f0013983f8 x29/t4 fffff5ef01398380 x30/t5 fffff5ef01398381 x31/t6 ffffffff86bd9256 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 ffffffff831a2636 mhartid 0000000000000001 mstatus 00000000000000a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff8000f97e sepc 00007fffb1243264 mcause 0000000000000009 scause 0000000000000008 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff831a15ba x2/sp ffffaf800f4f36e0 x3/gp ffffffff85863ac0 x4/tp ffffaf800a083080 x5/t0 00000000000001f8 x6/t1 ee9433d6c0637400 x7/t2 000000004c9f2e39 x8/s0 ffffaf800f4f37e0 x9/s1 0000000000000000 x10/a0 ffffffff80061080 x11/a1 00000000000f0000 x12/a2 1ffff5f001410611 x13/a3 ffffffff80117b26 x14/a4 0000000000000000 x15/a5 ffffaf805a9e4840 x16/a6 0000000000f00000 x17/a7 ffffffff826e6226 x18/s2 ffffaf800a083080 x19/s3 ffffffff8343c840 x20/s4 ffffffff826e626a x21/s5 ffffffff86c1a620 x22/s6 ffffaf800a083a38 x23/s7 ffffaf800a083080 x24/s8 0000000000000a00 x25/s9 0000000000004000 x26/s10 0000000000000040 x27/s11 0000000000000002 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f001e9e6b4 x31/t6 0000000073428bdb 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