================================================================================ 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: 10098 Comm: syz-executor.1 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_ipmac_create.cold+0x1a/0x45 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:00007fa4a2e89c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 0000000020001080 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffe479afbef R14: 00007fa4a2e8a9c0 R15: 000000000118bf2c ================================================================================ REISERFS (device loop5): found reiserfs format "3.6" with standard journal REISERFS (device loop5): using ordered data mode reiserfs: using flush barriers REISERFS (device loop5): journal params: device loop5, size 8192, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30 REISERFS (device loop5): checking transaction log (loop5) REISERFS (device loop5): Using rupasov hash to sort names REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. nla_parse: 4 callbacks suppressed netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. REISERFS (device loop5): found reiserfs format "3.6" with standard journal REISERFS (device loop5): using ordered data mode reiserfs: using flush barriers REISERFS (device loop5): journal params: device loop5, size 8192, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30 REISERFS (device loop5): checking transaction log (loop5) REISERFS (device loop5): Using rupasov hash to sort names REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. syz-executor.1 (10167) used greatest stack depth: 23576 bytes left Cannot find add_set index 0 as target netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. Cannot find add_set index 0 as target Cannot find add_set index 0 as target netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. Cannot find add_set index 0 as target Cannot find add_set index 0 as target Cannot find add_set index 0 as target Cannot find add_set index 0 as target Cannot find add_set index 0 as target kauditd_printk_skb: 2 callbacks suppressed audit: type=1800 audit(1603271357.639:21): pid=10321 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.3" name="bus" dev="sda1" ino=15887 res=0 audit: type=1800 audit(1603271357.719:22): pid=10321 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.3" name="bus" dev="sda1" ino=15887 res=0 audit: type=1800 audit(1603271359.919:23): pid=10341 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.3" name="bus" dev="sda1" ino=15913 res=0 Cannot find add_set index 0 as target Cannot find add_set index 0 as target audit: type=1800 audit(1603271360.129:24): pid=10353 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.2" name="bus" dev="sda1" ino=15910 res=0 audit: type=1800 audit(1603271360.540:25): pid=10362 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.2" name="bus" dev="sda1" ino=15908 res=0 audit: type=1800 audit(1603271360.600:26): pid=10366 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.3" name="bus" dev="sda1" ino=15917 res=0 Cannot find add_set index 0 as target