wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready ================================================================================ UBSAN: Undefined behaviour in net/netfilter/ipset/ip_set_hash_gen.h:125:6 shift exponent 32 is too large for 32-bit type 'unsigned int' CPU: 1 PID: 8042 Comm: syz-executor.1 Not tainted 4.19.150-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 htable_bits net/netfilter/ipset/ip_set_hash_gen.h:125 [inline] hash_netportnet_create.cold+0x1a/0x23 net/netfilter/ipset/ip_set_hash_gen.h:1290 ip_set_create+0x70e/0x1380 net/netfilter/ipset/ip_set_core.c:940 nfnetlink_rcv_msg+0xeff/0x1210 net/netfilter/nfnetlink.c:233 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 nfnetlink_rcv+0x1b2/0x41b net/netfilter/nfnetlink.c:565 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x717/0xcc0 net/netlink/af_netlink.c:1909 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc7/0x130 net/socket.c:632 ___sys_sendmsg+0x7bb/0x8f0 net/socket.c:2115 __sys_sendmsg net/socket.c:2153 [inline] __do_sys_sendmsg net/socket.c:2162 [inline] __se_sys_sendmsg net/socket.c:2160 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2160 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de59 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f98f5a58c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007fff25107aaf R14: 00007f98f5a599c0 R15: 000000000118bf2c ================================================================================ IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready netlink: 'syz-executor.2': attribute type 1 has an invalid length. wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready MINIX-fs: mounting unchecked file system, running fsck is recommended minix_free_inode: bit 2 already cleared netlink: 40 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.1'. hrtimer: interrupt took 57896 ns L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. kvm: vcpu 0: requested 128 ns lapic timer period limited to 200000 ns netlink: 16 bytes leftover after parsing attributes in process `syz-executor.1'. print_req_error: I/O error, dev loop6, sector 896 print_req_error: I/O error, dev loop6, sector 904 Buffer I/O error on dev loop6, logical block 112, lost async page write Buffer I/O error on dev loop6, logical block 113, lost async page write print_req_error: I/O error, dev loop6, sector 912 Buffer I/O error on dev loop6, logical block 114, lost async page write print_req_error: I/O error, dev loop6, sector 920 Buffer I/O error on dev loop6, logical block 115, lost async page write SELinux: unrecognized netlink message: protocol=0 nlmsg_type=25344 sclass=netlink_route_socket pid=8437 comm=syz-executor.0 print_req_error: I/O error, dev loop6, sector 928 Buffer I/O error on dev loop6, logical block 116, lost async page write netlink: 16 bytes leftover after parsing attributes in process `syz-executor.1'. print_req_error: I/O error, dev loop6, sector 0 Buffer I/O error on dev loop6, logical block 0, lost async page write print_req_error: I/O error, dev loop6, sector 8 Buffer I/O error on dev loop6, logical block 1, lost async page write print_req_error: I/O error, dev loop6, sector 16 Buffer I/O error on dev loop6, logical block 2, lost async page write print_req_error: I/O error, dev loop6, sector 24 Buffer I/O error on dev loop6, logical block 3, lost async page write print_req_error: I/O error, dev loop6, sector 32 Buffer I/O error on dev loop6, logical block 4, lost async page write netlink: 16 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. A link change request failed with some changes committed already. Interface veth0_vlan may have been left with an inconsistent configuration, please check. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. A link change request failed with some changes committed already. Interface veth0_vlan may have been left with an inconsistent configuration, please check. audit: type=1800 audit(1602727930.709:9): pid=8432 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="sda1" ino=15800 res=0 audit: type=1800 audit(1602727930.729:10): pid=8598 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=15800 res=0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=25344 sclass=netlink_route_socket pid=8672 comm=syz-executor.0 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. EXT4-fs (loop3): warning: maximal mount count reached, running e2fsck is recommended EXT4-fs (loop3): mounted filesystem without journal. Opts: dioread_nolock,resuid=0x000000000000ee01,grpjquota=,,errors=continue netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. Unknown ioctl 1074310944 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=25344 sclass=netlink_route_socket pid=8890 comm=syz-executor.0 Unknown ioctl 1074310944 Unknown ioctl 1074310944 Unknown ioctl 1074310944 UDF-fs: bad mount option "gid=00000000000000000000VFM0|=jcWJY_JwN-tu\buŽfg =JªFz3 m#qi/fIA:?;13" or missing value IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE IPv6: NLM_F_CREATE should be set when creating new route