================================================================================ 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: 0 PID: 9589 Comm: syz-executor.2 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 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=9591 comm=syz-executor.0 htable_bits net/netfilter/ipset/ip_set_hash_gen.h:125 [inline] hash_net_create.cold+0x1a/0x1f net/netfilter/ipset/ip_set_hash_gen.h:1290 ip_set_create+0x70e/0x1380 net/netfilter/ipset/ip_set_core.c:940 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. nfnetlink_rcv_msg+0xeff/0x1210 net/netfilter/nfnetlink.c:233 netlink: 28 bytes leftover after parsing attributes in process `syz-executor.0'. 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 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=9587 comm=syz-executor.0 __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:00007f0aebdbfc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffeb2cb3e7f R14: 00007f0aebdc09c0 R15: 000000000118bf2c ================================================================================ FAT-fs (loop1): invalid media value (0x09) FAT-fs (loop1): Can't find a valid FAT filesystem autofs4:pid:9642:autofs_fill_super: called with bogus options netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'. audit: type=1804 audit(1602898194.695:39): pid=9666 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir014795908/syzkaller.bApjCE/39/file1/file0" dev="loop0" ino=11 res=1 device bond1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond1: link is not ready 8021q: adding VLAN 0 to HW filter on device bond1 FAT-fs (loop1): invalid media value (0x09) FAT-fs (loop1): Can't find a valid FAT filesystem netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'. audit: type=1804 audit(1602898195.435:40): pid=9711 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir014795908/syzkaller.bApjCE/39/file1/file0" dev="loop0" ino=11 res=1 device bond2 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond2: link is not ready 8021q: adding VLAN 0 to HW filter on device bond2 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 xt_CONNSECMARK: only valid in 'mangle' or 'security' table, not 'filter' syz-executor.1 (9833) used greatest stack depth: 22344 bytes left tmpfs: Bad value '`h8®øë>Y!’ÖÁ4q” à³›<0x000000000000c1ff' for mount option 'uid' tmpfs: Bad value '`h8®øë>Y!’ÖÁ4q” à³›<0x000000000000c1ff' for mount option 'uid' xt_TCPMSS: Only works on TCP SYN packets xt_TCPMSS: Only works on TCP SYN packets overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. ptrace attach of "/root/syz-executor.3"[9880] was attempted by "/root/syz-executor.3"[9885] audit: type=1800 audit(1602898199.610:41): pid=9891 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.1" name="bus" dev="sda1" ino=16006 res=0 audit: type=1800 audit(1602898199.700:42): pid=9891 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.1" name="bus" dev="sda1" ino=16006 res=0 netlink: 'syz-executor.0': attribute type 1 has an invalid length. squashfs: SQUASHFS error: unable to read fragment index table netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. bond1: Enslaving bridge2 as a backup interface with an up link netlink: 'syz-executor.0': attribute type 1 has an invalid length. bond1: Enslaving bridge3 as a backup interface with a down link netlink: 'syz-executor.3': attribute type 5 has an invalid length. netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'. audit: type=1804 audit(1602898202.949:43): pid=10055 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir280015805/syzkaller.y6rMPH/45/bus" dev="sda1" ino=15956 res=1