IPVS: ftp: loaded support on port[0] = 21 ================================================================================ 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: 8429 Comm: syz-executor.1 Not tainted 4.19.150-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 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:00007efd4dff3c78 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: 00007ffe593bccaf R14: 00007efd4dff49c0 R15: 000000000118bf2c ================================================================================ audit: type=1800 audit(1602821927.470:17): pid=8436 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.2" name="bus" dev="sda1" ino=15795 res=0 loop0: AHDI p1 p3 loop0: p1 start 71387782 is beyond EOD, truncated loop0: AHDI p1 p3 loop0: p1 start 71387782 is beyond EOD, truncated IPVS: ftp: loaded support on port[0] = 21 IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready FAT-fs (loop3): invalid media value (0x00) FAT-fs (loop3): Can't find a valid FAT filesystem FAT-fs (loop3): invalid media value (0x00) FAT-fs (loop3): Can't find a valid FAT filesystem IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready new mount options do not match the existing superblock, will be ignored IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready new mount options do not match the existing superblock, will be ignored audit: type=1400 audit(1602821928.630:18): avc: denied { create } for pid=8593 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready EXT4-fs (loop5): bad geometry: block count 512 exceeds size of device (2 blocks) EXT4-fs (loop5): VFS: Can't find ext4 filesystem EXT4-fs (loop5): bad geometry: block count 512 exceeds size of device (2 blocks) BTRFS: device fsid f90cac8b-044b-4fa8-8bee-4b8d3da88dc2 devid 1 transid 7 /dev/loop0 BTRFS info (device loop0): disk space caching is enabled EXT4-fs (loop5): bad geometry: block count 512 exceeds size of device (2 blocks) BTRFS info (device loop0): has skinny extents IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready EXT4-fs (loop5): VFS: Can't find ext4 filesystem IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready attempt to access beyond end of device loop0: rw=4096, want=2064, limit=267 BTRFS error (device loop0): failed to read chunk root BTRFS error (device loop0): open_ctree failed BTRFS info (device loop0): disk space caching is enabled BTRFS info (device loop0): has skinny extents BTRFS error (device loop0): open_ctree failed BTRFS info (device loop0): disk space caching is enabled BTRFS info (device loop0): has skinny extents attempt to access beyond end of device loop0: rw=4096, want=2064, limit=267 BTRFS error (device loop0): failed to read chunk root IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready BTRFS error (device loop0): open_ctree failed IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready BTRFS info (device loop0): disk space caching is enabled BTRFS info (device loop0): has skinny extents IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready attempt to access beyond end of device loop0: rw=4096, want=2064, limit=267 BTRFS error (device loop0): failed to read chunk root BTRFS error (device loop0): open_ctree failed BTRFS info (device loop0): disk space caching is enabled BTRFS info (device loop0): has skinny extents attempt to access beyond end of device loop0: rw=4096, want=2064, limit=267 BTRFS error (device loop0): failed to read chunk root BTRFS error (device loop0): open_ctree failed IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready SELinux: unrecognized netlink message: protocol=0 nlmsg_type=104 sclass=netlink_route_socket pid=8999 comm=syz-executor.2 IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready isofs_fill_super: root inode is not a directory. Corrupted media? tmpfs: Bad value 'bind' for mount option 'mpol' tmpfs: Bad value 'bind' for mount option 'mpol' IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready isofs_fill_super: root inode is not a directory. Corrupted media? IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready isofs_fill_super: root inode is not a directory. Corrupted media? IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. isofs_fill_super: root inode is not a directory. Corrupted media? netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. isofs_fill_super: root inode is not a directory. Corrupted media? IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready isofs_fill_super: root inode is not a directory. Corrupted media? IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready isofs_fill_super: root inode is not a directory. Corrupted media? BTRFS error (device loop0): superblock checksum mismatch IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready BTRFS error (device loop0): open_ctree failed mkiss: ax0: crc mode is auto. mkiss: ax0: crc mode is auto. isofs_fill_super: root inode is not a directory. Corrupted media? IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready BTRFS error (device loop0): superblock checksum mismatch BTRFS error (device loop0): open_ctree failed isofs_fill_super: root inode is not a directory. Corrupted media? isofs_fill_super: root inode is not a directory. Corrupted media? BTRFS error (device loop0): superblock checksum mismatch mkiss: ax0: crc mode is auto. BTRFS error (device loop0): open_ctree failed IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready isofs_fill_super: root inode is not a directory. Corrupted media? EXT4-fs: Warning: mounting with data=journal disables delayed allocation and O_DIRECT support! EXT4-fs (loop5): encrypted files will use data=ordered instead of data journaling mode EXT4-fs (loop5): feature flags set on rev 0 fs, running e2fsck is recommended BTRFS error (device loop0): superblock checksum mismatch BTRFS error (device loop0): open_ctree failed EXT4-fs (loop5): invalid inodes per group: 242029655 isofs_fill_super: root inode is not a directory. Corrupted media? BTRFS error (device loop0): superblock checksum mismatch BTRFS error (device loop0): open_ctree failed IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready EXT4-fs (loop5): encrypted files will use data=ordered instead of data journaling mode EXT4-fs (loop5): feature flags set on rev 0 fs, running e2fsck is recommended IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready EXT4-fs (loop5): invalid inodes per group: 242029655 IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready BTRFS error (device loop0): superblock checksum mismatch BTRFS error (device loop0): open_ctree failed sctp: [Deprecated]: syz-executor.3 (pid 9356) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead BTRFS error (device loop0): superblock checksum mismatch BTRFS error (device loop0): open_ctree failed