================================================================================ UBSAN: Undefined behaviour in net/netfilter/ipset/ip_set_hash_gen.h:125:6 audit: type=1800 audit(1601846776.930:79): pid=11648 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="file0" dev="sda1" ino=16223 res=0 shift exponent 32 is too large for 32-bit type 'unsigned int' CPU: 0 PID: 11645 Comm: syz-executor.3 Not tainted 4.19.149-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_ipportnet_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 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: 0033:0x45de89 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:00007f143f7b3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045de89 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000004 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffd0023d00f R14: 00007f143f7b49c0 R15: 000000000118bf2c ================================================================================ mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) audit: type=1800 audit(1601846777.830:80): pid=11710 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="file0" dev="sda1" ino=16226 res=0 mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) audit: type=1800 audit(1601846778.710:81): pid=11769 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="file0" dev="sda1" ino=16229 res=0 audit: type=1400 audit(1601846779.300:82): avc: denied { audit_read } for pid=11785 comm="syz-executor.1" capability=37 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) audit: type=1800 audit(1601846779.620:83): pid=11829 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="file0" dev="sda1" ino=16252 res=0 mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) audit: type=1800 audit(1601846780.460:84): pid=11879 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="file0" dev="sda1" ino=16267 res=0 mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) audit: type=1800 audit(1601846781.330:85): pid=11928 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="file0" dev="sda1" ino=16273 res=0 mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) audit: type=1800 audit(1601846782.210:86): pid=11979 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="file0" dev="sda1" ino=16292 res=0 bridge0: port 2(bridge_slave_1) entered disabled state bridge0: port 1(bridge_slave_0) entered disabled state device bridge0 entered promiscuous mode mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) netlink: 5 bytes leftover after parsing attributes in process `syz-executor.1'. bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered forwarding state bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready syz-executor.1 (11981) used greatest stack depth: 22600 bytes left mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) bridge0: port 2(bridge_slave_1) entered disabled state bridge0: port 1(bridge_slave_0) entered disabled state audit: type=1800 audit(1601846783.090:87): pid=12035 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="file0" dev="sda1" ino=16284 res=0 netlink: 5 bytes leftover after parsing attributes in process `syz-executor.1'. bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered forwarding state bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready audit: type=1800 audit(1601846783.900:88): pid=12094 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="file0" dev="sda1" ino=16295 res=0 mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) bridge0: port 2(bridge_slave_1) entered disabled state bridge0: port 1(bridge_slave_0) entered disabled state netlink: 5 bytes leftover after parsing attributes in process `syz-executor.1'. bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered forwarding state bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) audit: type=1800 audit(1601846784.741:89): pid=12147 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="file0" dev="sda1" ino=16297 res=0 mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) audit: type=1800 audit(1601846785.601:90): pid=12205 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="file0" dev="sda1" ino=16312 res=0 mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) netlink: 548 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 548 bytes leftover after parsing attributes in process `syz-executor.1'. mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) audit: type=1800 audit(1601846786.431:91): pid=12255 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="file0" dev="sda1" ino=16324 res=0 Enabling of bearer rejected, failed to enable media Enabling of bearer rejected, failed to enable media mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) mac80211_hwsim hwsim12 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33)