FAT-fs (loop3): Directory bread(block 6) failed ================================================================================ 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: 29181 Comm: syz-executor.4 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_netport_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 sock_no_sendpage+0xf5/0x140 net/core/sock.c:2668 kernel_sendpage net/socket.c:3378 [inline] sock_sendpage+0xdf/0x140 net/socket.c:847 pipe_to_sendpage+0x268/0x330 fs/splice.c:452 splice_from_pipe_feed fs/splice.c:503 [inline] __splice_from_pipe+0x3af/0x820 fs/splice.c:627 splice_from_pipe fs/splice.c:662 [inline] generic_splice_sendpage+0xd4/0x140 fs/splice.c:833 do_splice_from fs/splice.c:852 [inline] do_splice fs/splice.c:1154 [inline] __do_sys_splice fs/splice.c:1428 [inline] __se_sys_splice+0xf31/0x15f0 fs/splice.c:1408 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de29 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:00007fe9695e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 00000000000350c0 RCX: 000000000045de29 RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000118bf78 R08: 0000000100000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007fff7f9c0d0f R14: 00007fe9695e49c0 R15: 000000000118bf2c ================================================================================ BTRFS: device fsid f90cac8b-044b-4fa8-8bee-4b8d3da88dc2 devid 1 transid 7 /dev/loop1 BTRFS info (device loop1): disabling disk space caching FAT-fs (loop3): Directory bread(block 6) failed BTRFS error (device loop1): open_ctree failed 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. BTRFS info (device loop1): disabling disk space caching BTRFS error (device loop1): open_ctree failed FAT-fs (loop3): Directory bread(block 6) failed BTRFS info (device loop1): disabling disk space caching BTRFS error (device loop1): open_ctree failed FAT-fs (loop3): Directory bread(block 6) failed BTRFS info (device loop1): disabling disk space caching BTRFS error (device loop1): open_ctree failed netlink: 165 bytes leftover after parsing attributes in process `syz-executor.2'. BTRFS info (device loop1): disabling disk space caching BTRFS error (device loop1): open_ctree failed netlink: 165 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 165 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 165 bytes leftover after parsing attributes in process `syz-executor.2'. block nbd0: shutting down sockets netlink: 165 bytes leftover after parsing attributes in process `syz-executor.2'. isofs_fill_super: bread failed, dev=loop4, iso_blknum=34, block=68 block nbd0: shutting down sockets isofs_fill_super: bread failed, dev=loop4, iso_blknum=34, block=68 block nbd0: shutting down sockets isofs_fill_super: bread failed, dev=loop4, iso_blknum=34, block=68 block nbd0: shutting down sockets netlink: 'syz-executor.1': attribute type 19 has an invalid length. isofs_fill_super: bread failed, dev=loop4, iso_blknum=34, block=68 netlink: 'syz-executor.1': attribute type 19 has an invalid length. netlink: 'syz-executor.1': attribute type 19 has an invalid length. netlink: 'syz-executor.1': attribute type 19 has an invalid length.