================================================================================ 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: 13966 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_netnet_create.cold+0x1a/0x22 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 QAT: Device 0 not found 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 TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 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: 0033:0x45dd99 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:00007fdd4b224c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045dd99 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffe37a8416f R14: 00007fdd4b2259c0 R15: 000000000118bf2c ================================================================================ audit: type=1804 audit(1601538985.228:56): pid=13977 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-testdir606020242/syzkaller.zvXH9W/315/bus" dev="sda1" ino=16360 res=1 audit: type=1804 audit(1601538985.258:57): pid=13979 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-testdir606020242/syzkaller.zvXH9W/315/bus" dev="sda1" ino=16360 res=1 gfs2: gfs2 mount does not exist gfs2: gfs2 mount does not exist BTRFS: device fsid b6c6de41-0f3d-4d56-a285-1537704be259 devid 1 transid 7 /dev/loop1 BTRFS error (device loop1): unsupported checksum algorithm 1 BTRFS error (device loop1): superblock checksum mismatch BTRFS error (device loop1): open_ctree failed BTRFS error (device loop1): unsupported checksum algorithm 1 BTRFS error (device loop1): superblock checksum mismatch audit: type=1804 audit(1601538985.648:58): pid=13974 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-testdir606020242/syzkaller.zvXH9W/315/bus" dev="sda1" ino=16360 res=1 TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. audit: type=1804 audit(1601538985.688:59): pid=13974 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-testdir606020242/syzkaller.zvXH9W/315/bus" dev="sda1" ino=16360 res=1 BTRFS error (device loop1): open_ctree failed xt_cgroup: xt_cgroup: no path or classid specified EXT4-fs warning (device sda1): ext4_group_add:1680: No reserved GDT blocks, can't resize netlink: 370 bytes leftover after parsing attributes in process `syz-executor.3'. attempt to access beyond end of device loop5: rw=2049, want=52, limit=32 Buffer I/O error on dev loop5, logical block 25, lost async page write netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2020/09/19 18:44 (1000) netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock F2FS-fs (loop3): invalid crc value serio: Serial port pts0 serio: Serial port pts0 F2FS-fs (loop3): f2fs_check_nid_range: out-of-range nid=1, run fsck to fix. F2FS-fs (loop3): f2fs_check_nid_range: out-of-range nid=2, run fsck to fix. REISERFS (device loop1): found reiserfs format "3.6" with standard journal REISERFS (device loop1): using ordered data mode reiserfs: using flush barriers REISERFS (device loop1): journal params: device loop1, size 8192, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30 REISERFS (device loop1): checking transaction log (loop1) REISERFS (device loop1): Using tea hash to sort names REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock F2FS-fs (loop3): invalid crc value F2FS-fs (loop3): Failed to initialize F2FS segment manager overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection.