================================================================================ 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: 23505 Comm: syz-executor.0 Not tainted 4.19.152-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_mac_create.cold+0x38/0x40 net/netfilter/ipset/ip_set_hash_gen.h:1290 ip_set_create+0x714/0x1430 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:00007f463b137c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007fffe39f780f R14: 00007f463b1389c0 R15: 000000000118bf2c ================================================================================ audit: type=1804 audit(1603310218.737:46): pid=23571 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-testdir742468433/syzkaller.knVyiY/852/memory.events" dev="sda1" ino=17279 res=1 audit: type=1804 audit(1603310218.767:47): pid=23576 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-testdir742468433/syzkaller.knVyiY/852/memory.events" dev="sda1" ino=17279 res=1 ALSA: mixer_oss: invalid OSS volume '/js?'̤J;Ogm:V$Z' ALSA: mixer_oss: invalid OSS volume '/js?'̤J;Ogm:V$Z' device veth1_macvtap left promiscuous mode netlink: 28 bytes leftover after parsing attributes in process `syz-executor.1'. EXT4-fs error (device loop2): ext4_fill_super:4448: inode #2: comm syz-executor.2: iget: bogus i_mode (101) EXT4-fs (loop2): get root inode failed EXT4-fs (loop2): mount failed EXT4-fs error (device loop2): ext4_fill_super:4448: inode #2: comm syz-executor.2: iget: bogus i_mode (101) EXT4-fs (loop2): get root inode failed EXT4-fs (loop2): mount failed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=104 sclass=netlink_route_socket pid=23918 comm=syz-executor.2 (syz-executor.2,24033,1):ocfs2_parse_options:1513 ERROR: Invalid heartbeat mount options (syz-executor.2,24033,0):ocfs2_fill_super:1225 ERROR: status = -22 (syz-executor.2,24033,0):ocfs2_parse_options:1513 ERROR: Invalid heartbeat mount options (syz-executor.2,24033,0):ocfs2_fill_super:1225 ERROR: status = -22