================================================================================ 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: 9268 Comm: syz-executor.3 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_ipmark_create.cold+0x19/0x27 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: 0033:0x45e179 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:00007f35522f1c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045e179 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffff95a549f R14: 00007f35522f29c0 R15: 000000000118cf4c netlink: 92 bytes leftover after parsing attributes in process `syz-executor.5'. ================================================================================ FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop3): Directory bread(block 64) failed netlink: 92 bytes leftover after parsing attributes in process `syz-executor.5'. FAT-fs (loop3): Directory bread(block 65) failed FAT-fs (loop3): Directory bread(block 66) failed FAT-fs (loop3): Directory bread(block 67) failed FAT-fs (loop3): Directory bread(block 68) failed FAT-fs (loop3): Directory bread(block 69) failed FAT-fs (loop3): Directory bread(block 70) failed FAT-fs (loop3): Directory bread(block 71) failed FAT-fs (loop3): Directory bread(block 72) failed FAT-fs (loop3): Directory bread(block 73) failed audit: type=1800 audit(1601177333.462:11): pid=9363 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.2" name="cgroup.controllers" dev="sda1" ino=15821 res=0 audit: type=1400 audit(1601177334.202:12): avc: denied { create } for pid=9481 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 netlink: 'syz-executor.5': attribute type 1 has an invalid length. batman_adv: Cannot find parent device audit: type=1400 audit(1601177334.202:13): avc: denied { getattr } for pid=9481 comm="syz-executor.2" path="socket:[33512]" dev="sockfs" ino=33512 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 netlink: 4600 bytes leftover after parsing attributes in process `syz-executor.5'. batman_adv: Cannot find parent device netlink: 'syz-executor.5': attribute type 1 has an invalid length. netlink: 4600 bytes leftover after parsing attributes in process `syz-executor.5'. binder_alloc: binder_alloc_mmap_handler: 9558 20ffd000-20fff000 already mapped failed -16 binder_alloc: binder_alloc_mmap_handler: 9558 20ffd000-20fff000 already mapped failed -16 autofs4:pid:9600:autofs_fill_super: called with bogus options autofs4:pid:9608:autofs_fill_super: called with bogus options audit: type=1400 audit(1601177336.822:14): avc: denied { node_bind } for pid=9664 comm="syz-executor.4" saddr=::ffff:172.30.0.5 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:node_t:s0 tclass=dccp_socket permissive=1 audit: type=1400 audit(1601177337.172:15): avc: denied { ioctl } for pid=9704 comm="syz-executor.0" path="socket:[33768]" dev="sockfs" ino=33768 ioctlcmd=0x8946 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 netlink: 'syz-executor.4': attribute type 1 has an invalid length. bond4: Enslaving bridge2 as a backup interface with an up link netlink: 'syz-executor.4': attribute type 1 has an invalid length. netlink: 'syz-executor.1': attribute type 5 has an invalid length. netlink: 'syz-executor.1': attribute type 29 has an invalid length. EXT4-fs (loop2): Can't read superblock on 2nd try netlink: 'syz-executor.1': attribute type 29 has an invalid length. EXT4-fs (loop2): Can't read superblock on 2nd try tmpfs: Bad value 'default=static:' for mount option 'mpol' tmpfs: Bad value 'default=static:' for mount option 'mpol' IPVS: ftp: loaded support on port[0] = 21 BFS-fs: bfs_fill_super(): loop2 is unclean, continuing BFS-fs: bfs_fill_super(): Inode 0x00000002 corrupted sch_tbf: burst 0 is lower than device lo mtu (65550) ! sch_tbf: burst 0 is lower than device lo mtu (65550) ! BFS-fs: bfs_fill_super(): loop2 is unclean, continuing BFS-fs: bfs_fill_super(): Inode 0x00000002 corrupted BFS-fs: bfs_fill_super(): loop2 is unclean, continuing BFS-fs: bfs_fill_super(): Inode 0x00000002 corrupted IPVS: ftp: loaded support on port[0] = 21 BFS-fs: bfs_fill_super(): loop2 is unclean, continuing BFS-fs: bfs_fill_super(): Inode 0x00000002 corrupted MTD: Attempt to mount non-MTD device "/dev/loop1" BFS-fs: bfs_fill_super(): loop2 is unclean, continuing BFS-fs: bfs_fill_super(): Inode 0x00000002 corrupted