================================================================================ 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: 3777 Comm: syz-executor.2 Not tainted 4.19.148-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 encrypted_key: keyword 'neæ##Ãfault' not recognized 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: 0033:0x45e179 Code: 3d b2 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 0b b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f2cf6e13c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045e179 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffe588f9acf R14: 00007f2cf6e149c0 R15: 000000000118cf4c ================================================================================ hfs: can't find a HFS filesystem on dev loop4 hfs: can't find a HFS filesystem on dev loop4 netlink: 1924 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 1924 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor.2'. kauditd_printk_skb: 15 callbacks suppressed audit: type=1804 audit(1601299781.341:653): pid=3972 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir569376104/syzkaller.srR8lX/1821/bus" dev="sda1" ino=17079 res=1 audit: type=1804 audit(1601299781.381:654): pid=3965 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir569376104/syzkaller.srR8lX/1821/bus" dev="sda1" ino=17079 res=1 audit: type=1804 audit(1601299781.541:655): pid=3972 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir569376104/syzkaller.srR8lX/1821/bus" dev="sda1" ino=17079 res=1 nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. audit: type=1804 audit(1601299781.981:656): pid=4010 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir569376104/syzkaller.srR8lX/1822/bus" dev="sda1" ino=17065 res=1 audit: type=1804 audit(1601299782.011:657): pid=4006 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir569376104/syzkaller.srR8lX/1822/bus" dev="sda1" ino=17065 res=1 UDF-fs: error (device loop1): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop1): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 512 failed UDF-fs: error (device loop1): udf_read_tagged: read failed, block=256, location=256 audit: type=1804 audit(1601299782.151:658): pid=4010 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir569376104/syzkaller.srR8lX/1822/bus" dev="sda1" ino=17065 res=1 UDF-fs: error (device loop1): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop1): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: error (device loop1): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop1): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop1): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: warning (device loop1): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 4096 failed UDF-fs: error (device loop1): udf_read_tagged: read failed, block=512, location=512 audit: type=1400 audit(1601299782.551:659): avc: denied { ioctl } for pid=4029 comm="syz-executor.4" path="socket:[137469]" dev="sockfs" ino=137469 ioctlcmd=0x8946 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 UDF-fs: warning (device loop1): udf_load_vrs: No anchor found audit: type=1804 audit(1601299782.641:660): pid=4042 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir569376104/syzkaller.srR8lX/1823/bus" dev="sda1" ino=17458 res=1 UDF-fs: Scanning with blocksize 512 failed UDF-fs: error (device loop1): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop1): udf_read_tagged: read failed, block=512, location=512 audit: type=1804 audit(1601299782.671:661): pid=4037 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir569376104/syzkaller.srR8lX/1823/bus" dev="sda1" ino=17458 res=1 UDF-fs: warning (device loop1): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 1024 failed audit: type=1804 audit(1601299782.811:662): pid=4042 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir569376104/syzkaller.srR8lX/1823/bus" dev="sda1" ino=17458 res=1 UDF-fs: error (device loop1): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop1): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop1): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: warning (device loop1): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 4096 failed overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: filesystem on './bus' not supported as upperdir vxfs: WRONG superblock magic 00000000 at 1 vxfs: WRONG superblock magic 00000000 at 8 vxfs: can't find superblock. vxfs: WRONG superblock magic 00000000 at 1 vxfs: WRONG superblock magic 00000000 at 8 vxfs: can't find superblock. dlm: no locking on control device (syz-executor.4,4217,1):ocfs2_parse_options:1513 ERROR: Invalid heartbeat mount options (syz-executor.4,4217,1):ocfs2_fill_super:1225 ERROR: status = -22 device vxcan3 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): vxcan3: link is not ready netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: set zone limit has 8 unknown bytes kauditd_printk_skb: 20 callbacks suppressed audit: type=1804 audit(1601299786.401:683): pid=4278 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir569376104/syzkaller.srR8lX/1830/bus" dev="sda1" ino=16019 res=1 audit: type=1804 audit(1601299786.701:684): pid=4325 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir569376104/syzkaller.srR8lX/1831/bus" dev="sda1" ino=15760 res=1 audit: type=1804 audit(1601299786.741:685): pid=4325 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir569376104/syzkaller.srR8lX/1831/bus" dev="sda1" ino=15760 res=1 audit: type=1804 audit(1601299786.791:686): pid=4313 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir569376104/syzkaller.srR8lX/1831/bus" dev="sda1" ino=15760 res=1 audit: type=1804 audit(1601299787.061:687): pid=4367 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir569376104/syzkaller.srR8lX/1832/bus" dev="sda1" ino=16003 res=1 audit: type=1804 audit(1601299787.071:688): pid=4365 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir569376104/syzkaller.srR8lX/1832/bus" dev="sda1" ino=16003 res=1 audit: type=1804 audit(1601299787.201:689): pid=4367 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir569376104/syzkaller.srR8lX/1832/bus" dev="sda1" ino=16003 res=1 netlink: 20 bytes leftover after parsing attributes in process `syz-executor.2'. audit: type=1804 audit(1601299787.661:690): pid=4393 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir569376104/syzkaller.srR8lX/1833/bus" dev="sda1" ino=15766 res=1 audit: type=1804 audit(1601299787.661:691): pid=4393 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir569376104/syzkaller.srR8lX/1833/bus" dev="sda1" ino=15766 res=1 netlink: 288 bytes leftover after parsing attributes in process `syz-executor.4'. audit: type=1804 audit(1601299787.731:692): pid=4386 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir569376104/syzkaller.srR8lX/1833/bus" dev="sda1" ino=15766 res=1