syzkaller login: [ 284.740834][ T1857] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 284.799580][ T1857] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 284.854023][ T1857] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 294.799846][ T1857] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:56399' (ECDSA) to the list of known hosts. 1970/01/01 00:06:02 fuzzer started 1970/01/01 00:06:14 dialing manager at localhost:40479 [ 381.207573][ T2024] cgroup: Unknown subsys name 'net' [ 382.391162][ T2024] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:06:22 syscalls: 2918 1970/01/01 00:06:22 code coverage: enabled 1970/01/01 00:06:22 comparison tracing: enabled 1970/01/01 00:06:22 extra coverage: enabled 1970/01/01 00:06:22 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:06:22 setuid sandbox: enabled 1970/01/01 00:06:22 namespace sandbox: enabled 1970/01/01 00:06:22 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:06:22 fault injection: enabled 1970/01/01 00:06:22 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:06:22 net packet injection: enabled 1970/01/01 00:06:22 net device setup: enabled 1970/01/01 00:06:22 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:06:22 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:06:22 NIC VF setup: PCI device 0000:00:11.0 is not available 1970/01/01 00:06:22 USB emulation: enabled 1970/01/01 00:06:22 hci packet injection: /dev/vhci does not exist 1970/01/01 00:06:22 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:06:22 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:06:22 fetching corpus: 0, signal 0/2000 (executing program) 1970/01/01 00:06:27 fetching corpus: 50, signal 32845/36294 (executing program) 1970/01/01 00:06:29 fetching corpus: 100, signal 46040/50857 (executing program) 1970/01/01 00:06:33 fetching corpus: 150, signal 54948/61034 (executing program) 1970/01/01 00:06:35 fetching corpus: 200, signal 60644/67988 (executing program) 1970/01/01 00:06:38 fetching corpus: 250, signal 66050/74586 (executing program) 1970/01/01 00:06:40 fetching corpus: 300, signal 70087/79798 (executing program) 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227913/233092 (executing program) 1970/01/01 00:13:19 fetching corpus: 8083, signal 228335/233109 (executing program) 1970/01/01 00:13:21 fetching corpus: 8133, signal 228716/233109 (executing program) 1970/01/01 00:13:25 fetching corpus: 8183, signal 229117/233109 (executing program) 1970/01/01 00:13:28 fetching corpus: 8233, signal 229527/233124 (executing program) 1970/01/01 00:13:30 fetching corpus: 8283, signal 229834/233124 (executing program) 1970/01/01 00:13:32 fetching corpus: 8333, signal 230159/233124 (executing program) 1970/01/01 00:13:34 fetching corpus: 8383, signal 230539/233124 (executing program) 1970/01/01 00:13:37 fetching corpus: 8433, signal 230777/233124 (executing program) 1970/01/01 00:13:38 fetching corpus: 8472, signal 231073/233124 (executing program) 1970/01/01 00:13:39 fetching corpus: 8472, signal 231073/233124 (executing program) 1970/01/01 00:15:19 starting 2 fuzzer processes 00:15:19 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x14) socket$kcm(0x29, 0x2, 0x0) r1 = socket$inet_smc(0x2b, 0x1, 0x0) ioctl$sock_SIOCSIFVLAN_DEL_VLAN_CMD(r1, 0x8983, &(0x7f0000000300)={0x1, 'vlan1\x00', {}, 0x3}) fcntl$F_GET_FILE_RW_HINT(r0, 0x40d, &(0x7f0000000040)) r2 = syz_open_dev$vcsn(&(0x7f00000001c0), 0x0, 0x82000) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f00000002c0)={'dummy0\x00', &(0x7f0000000200)=ANY=[@ANYBLOB="200000008200803f7888b0968b001c3f9242498cd0933c27053ffdcc2fcccead45337b875ef19190c032be72f4282ab468f1b7ce00bf44034f3828f7176af66a376c804aa9bd2e4f5cfc30e3876ba865d770feffffffffff0000003a1dd29850d25b5de58d7dc045d200fe63f836e2c4dfc3e6de4097b5d461f7c9b5732ab82f0000000000000000000f90139606e9d71d393eb63d00"/165]}) r3 = syz_open_procfs(0x0, &(0x7f0000000080)='net/ip_tables_names\x00') r4 = gettid() eventfd2(0x1, 0x800) r5 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000380)='/sys/block/mtdblock0', 0x121c0, 0xa0) r6 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xe64e1, 0x0) ioctl$FS_IOC_SETFLAGS(r5, 0x40086602, &(0x7f0000000000)) ftruncate(r6, 0x4d0) writev(r6, &(0x7f0000000440)=[{&(0x7f00000000c0)="cc", 0x1}, {&(0x7f0000000480)}, {&(0x7f00000003c0)="8bbc67cf356425cc7960241d33cb0a6042374badcc2e7f36decbe41fab2eee49001c1fee55a36eaf18aad75a318036a918668b2100afd5fe5cc439f6fbae0a1b72ac9f5f0c794556c8337e21e156c6943b72fe359bb8063736c45589de70074db35449f45137cb55bb04df6472ebc1410510b80c0feacd", 0x77}], 0x3) ioctl$sock_kcm_SIOCKCMATTACH(r5, 0x89e0, &(0x7f0000000340)={0xffffffffffffffff, r6}) kcmp$KCMP_EPOLL_TFD(r4, r4, 0x7, r1, &(0x7f00000000c0)={0xffffffffffffffff, r3, 0x3ff}) ioctl$EXT4_IOC_MOVE_EXT(0xffffffffffffffff, 0xc028660f, &(0x7f0000000100)={0x0, 0xffffffffffffffff, 0x4, 0x66b2, 0x8, 0x48}) ioctl$SECCOMP_IOCTL_NOTIF_RECV(0xffffffffffffffff, 0xc0502100, &(0x7f0000000140)) ioctl$FIONCLEX(0xffffffffffffffff, 0x5450) 00:15:20 executing program 1: r0 = inotify_init1(0x0) inotify_add_watch(r0, &(0x7f0000000080)='.\x00', 0x22000894) syz_mount_image$fuse(&(0x7f0000000380), &(0x7f00000003c0)='./file1\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)) lsetxattr$system_posix_acl(&(0x7f0000000100)='./file1\x00', &(0x7f0000000140)='system.posix_acl_access\x00', &(0x7f0000000300), 0x24, 0x0) setxattr$trusted_overlay_upper(&(0x7f00000000c0)='./file1\x00', &(0x7f0000000180), 0x0, 0x0, 0x0) [ 952.155500][ T2044] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 952.268288][ T2045] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 952.347188][ T2044] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 953.129794][ T2045] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 967.388684][ T2045] device hsr_slave_0 entered promiscuous mode [ 967.517072][ T2045] device hsr_slave_1 entered promiscuous mode [ 968.387052][ T2044] device hsr_slave_0 entered promiscuous mode [ 968.471325][ T2044] device hsr_slave_1 entered promiscuous mode [ 968.516645][ T2044] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 968.535832][ T2044] Cannot create hsr debugfs directory [ 975.379369][ T2044] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 975.382582][ T2044] CPU: 0 PID: 2044 Comm: syz-executor.0 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 975.384751][ T2044] Hardware name: riscv-virtio,qemu (DT) [ 975.386371][ T2044] Call Trace: [ 975.387939][ T2044] [] dump_backtrace+0x2e/0x3c [ 975.391300][ T2044] [] show_stack+0x34/0x40 [ 975.393029][ T2044] [] dump_stack_lvl+0xe4/0x150 [ 975.394937][ T2044] [] dump_stack+0x1c/0x24 [ 975.396169][ T2044] [] panic+0x24a/0x634 [ 975.397269][ T2044] [] schedule+0x0/0x14c [ 975.398439][ T2044] [] preempt_schedule_common+0x4e/0xde [ 975.400239][ T2044] [] preempt_schedule+0x34/0x36 [ 975.403073][ T2044] [] _raw_spin_unlock_irqrestore+0x8c/0x98 [ 975.404791][ T2044] [] debug_check_no_obj_freed+0x14c/0x24a [ 975.406142][ T2044] [] free_pcp_prepare+0x24e/0x45e [ 975.407396][ T2044] [] free_unref_page+0x6a/0x31e [ 975.408518][ T2044] [] __free_pages+0xe2/0x112 [ 975.409682][ T2044] [] __free_slab+0x122/0x27c [ 975.410980][ T2044] [] discard_slab+0x4c/0x7a [ 975.412926][ T2044] [] __unfreeze_partials+0x16a/0x18e [ 975.414533][ T2044] [] put_cpu_partial+0xf6/0x162 [ 975.415836][ T2044] [] __slab_free+0x166/0x29c [ 975.417049][ T2044] [] ___cache_free+0x17c/0x354 [ 975.418221][ T2044] [] qlist_free_all+0x7c/0x132 [ 975.419439][ T2044] [] kasan_quarantine_reduce+0x14c/0x1c8 [ 975.420699][ T2044] [] __kasan_slab_alloc+0x5c/0x98 [ 975.422430][ T2044] [] kmem_cache_alloc+0x338/0x3de [ 975.424273][ T2044] [] __kernfs_new_node+0xfc/0x5f2 [ 975.425607][ T2044] [] kernfs_new_node+0x66/0xbe [ 975.426834][ T2044] [] __kernfs_create_file+0x4e/0x1e8 [ 975.428004][ T2044] [] sysfs_add_file_mode_ns+0x138/0x254 [ 975.429227][ T2044] [] internal_create_group+0x274/0x722 [ 975.430480][ T2044] [] internal_create_groups.part.0+0x64/0xe8 [ 975.432163][ T2044] [] sysfs_create_groups+0x2c/0x48 [ 975.433997][ T2044] [] device_add+0x656/0x129e [ 975.436350][ T2044] [] netdev_register_kobject+0xcc/0x208 [ 975.437960][ T2044] [] register_netdevice+0x8ee/0xc6a [ 975.439311][ T2044] [] macvlan_common_newlink+0x8ec/0xc62 [ 975.440679][ T2044] [] macvtap_newlink+0x128/0x174 [ 975.442564][ T2044] [] __rtnl_newlink+0xc16/0xfa0 [ 975.444368][ T2044] [] rtnl_newlink+0x60/0x8c [ 975.445606][ T2044] [] rtnetlink_rcv_msg+0x338/0x9a0 [ 975.446961][ T2044] [] netlink_rcv_skb+0xf8/0x2be [ 975.448270][ T2044] [] rtnetlink_rcv+0x26/0x30 [ 975.449577][ T2044] [] netlink_unicast+0x40e/0x5fe [ 975.450793][ T2044] [] netlink_sendmsg+0x4e0/0x994 [ 975.452411][ T2044] [] sock_sendmsg+0xa0/0xc4 [ 975.454021][ T2044] [] __sys_sendto+0x1f2/0x2e0 [ 975.455221][ T2044] [] sys_sendto+0x3e/0x52 [ 975.456548][ T2044] [] ret_from_syscall+0x0/0x2 [ 975.458178][ T2044] SMP: stopping secondary CPUs [ 975.460960][ T2044] Rebooting in 86400 seconds.. VM DIAGNOSIS: 13:16:52 Registers: info registers vcpu 0 pc ffffffff80dc337e mhartid 0000000000000000 mstatus 00000000000000a0 mip 00000000000000a0 mie 000000000000022a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff80475986 sepc ffffffff831afd22 mcause 8000000000000007 scause 8000000000000009 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff80dc337e x2/sp ffffaf800b0fda90 x3/gp ffffffff85863ac0 x4/tp ffffaf800dec1840 x5/t0 ffffffff86bcb657 x6/t1 f3ae37b67218e500 x7/t2 0000000000000000 x8/s0 ffffaf800b0fdac0 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 0000000000000033 x20/s4 ffffffff86e58900 x21/s5 ffffffff80dc333e x22/s6 0000000000000000 x23/s7 ffffffff86bcb685 x24/s8 0000000000000010 x25/s9 ffffffff86e58958 x26/s10 0000000000000010 x27/s11 0000000000000000 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f00161fb00 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 ffffffff8011650a mhartid 0000000000000001 mstatus 00000000000001a0 mip 00000000000000a0 mie 000000000000020a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff8010b22c sepc ffffffff8010b26a mcause 8000000000000007 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff801164f6 x2/sp ffffaf80073bb580 x3/gp ffffffff85863ac0 x4/tp ffffaf8009788000 x5/t0 0000000000046000 x6/t1 fffffffff3f3f3f3 x7/t2 ffffffffffffffff x8/s0 ffffaf80073bb6e0 x9/s1 ffffffff8343c840 x10/a0 ffffaf8009788a1c x11/a1 0000000000000007 x12/a2 1ffff5f0012f1143 x13/a3 ffffffff801164f6 x14/a4 0000000000001000 x15/a5 0000000000000120 x16/a6 ffffffff8016f3a6 x17/a7 f3ae37b67218e500 x18/s2 ffffffff86c1a620 x19/s3 0000000000000001 x20/s4 0000000000000000 x21/s5 ffffffff84b86688 x22/s6 0000000000000000 x23/s7 ffffaf8009788000 x24/s8 ffffffff8016f3a6 x25/s9 ffffffff85889780 x26/s10 1ffff5f000e776b8 x27/s11 ffffaf80073bb660 x28/t3 ffffffff801163b2 x29/t4 ffffffff80112282 x30/t5 1ffff5f000e776a4 x31/t6 0000000000040000 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