TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
================================================================================
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: 10956 Comm: syz-executor.4 Not tainted 4.19.152-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: 0033:0x45de59
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:00007f91f333ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000113
RAX: ffffffffffffffda RBX: 00000000000350c0 RCX: 000000000045de59
RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 000000000118bf78 R08: 0000000100000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe02d2d63f R14: 00007f91f333f9c0 R15: 000000000118bf2c
================================================================================
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
FAT-fs (loop5): Unrecognized mount option "dosxfloppyG�w��" or missing value
FAT-fs (loop5): Unrecognized mount option "dosxfloppyG�w��" or missing value
TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
VFS: unable to find oldfs superblock on device loop4
VFS: unable to find oldfs superblock on device loop4
TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'.
TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'.
batman_adv: batadv0: adding TT local entry 00:00:00:00:00:00 to non-existent VLAN 2048
batman_adv: batadv0: adding TT local entry 00:00:00:00:00:00 to non-existent VLAN 2048
batman_adv: batadv0: adding TT local entry 00:00:00:00:00:00 to non-existent VLAN 2048
IPVS: ftp: loaded support on port[0] = 21
batman_adv: batadv0: adding TT local entry 00:00:00:00:00:00 to non-existent VLAN 2048
batman_adv: batadv0: adding TT local entry 00:00:00:00:00:00 to non-existent VLAN 2048
IPVS: ftp: loaded support on port[0] = 21
batman_adv: batadv0: adding TT local entry 00:00:00:00:00:00 to non-existent VLAN 2048
libceph: connect [d::]:6789 error -101
libceph: mon0 [d::]:6789 connect error
ceph: No mds server is up or the cluster is laggy
libceph: connect [d::]:6789 error -101
libceph: mon0 [d::]:6789 connect error
libceph: connect [d::]:6789 error -101
libceph: mon0 [d::]:6789 connect error
ceph: No mds server is up or the cluster is laggy
libceph: connect [d::]:6789 error -101
libceph: mon0 [d::]:6789 connect error
libceph: connect [d::]:6789 error -101
libceph: mon0 [d::]:6789 connect error
ceph: No mds server is up or the cluster is laggy
libceph: connect [d::]:6789 error -101
libceph: mon0 [d::]:6789 connect error
libceph: connect [d::]:6789 error -101
libceph: mon0 [d::]:6789 connect error
ceph: No mds server is up or the cluster is laggy
batman_adv: batadv0: adding TT local entry 00:00:00:00:00:00 to non-existent VLAN 2048
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
libceph: connect [d::]:6789 error -101
libceph: mon0 [d::]:6789 connect error
ceph: No mds server is up or the cluster is laggy
libceph: connect [d::]:6789 error -101
libceph: mon0 [d::]:6789 connect error
libceph: connect [d::]:6789 error -101
libceph: mon0 [d::]:6789 connect error
CPU: 1 PID: 11290 Comm: syz-executor.0 Not tainted 4.19.152-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
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0x2f lib/fault-inject.c:149
 __should_failslab+0x153/0x1b6 mm/failslab.c:32
 should_failslab+0x5/0xf mm/slab_common.c:1588
batman_adv: batadv0: adding TT local entry 00:00:00:00:00:00 to non-existent VLAN 2048
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc_node mm/slab.c:3304 [inline]
 kmem_cache_alloc_node+0x245/0x4d0 mm/slab.c:3647
 __alloc_skb+0x71/0x580 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 __ip6_append_data+0x2357/0x2ec0 net/ipv6/ip6_output.c:1429
 ip6_append_data+0x1dd/0x300 net/ipv6/ip6_output.c:1591
 rawv6_sendmsg+0x1494/0x37e0 net/ipv6/raw.c:952
 inet_sendmsg+0x174/0x640 net/ipv4/af_inet.c:798
 sock_sendmsg_nosec net/socket.c:622 [inline]
 sock_sendmsg+0xc7/0x130 net/socket.c:632
 ___sys_sendmsg+0x3b3/0x8f0 net/socket.c:2115
 __sys_sendmmsg+0x195/0x470 net/socket.c:2210
 __do_sys_sendmmsg net/socket.c:2239 [inline]
 __se_sys_sendmmsg net/socket.c:2236 [inline]
 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2236
 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:00007f106b6e2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000027f00 RCX: 000000000045de59
RDX: 00000000000002e9 RSI: 0000000020000480 RDI: 0000000000000004
RBP: 00007f106b6e2ca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdc9f2107f R14: 00007f106b6e39c0 R15: 000000000118bf2c
ceph: No mds server is up or the cluster is laggy
libceph: connect [d::]:6789 error -101
libceph: mon0 [d::]:6789 connect error
batman_adv: batadv0: adding TT local entry 00:00:00:00:00:00 to non-existent VLAN 2048
libceph: connect [d::]:6789 error -101
libceph: mon0 [d::]:6789 connect error
ceph: No mds server is up or the cluster is laggy
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
libceph: connect [d::]:6789 error -101
batman_adv: batadv0: adding TT local entry 00:00:00:00:00:00 to non-existent VLAN 2048
CPU: 1 PID: 11332 Comm: syz-executor.0 Not tainted 4.19.152-syzkaller #0
libceph: mon0 [d::]:6789 connect error
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
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0x2f lib/fault-inject.c:149
 __should_failslab+0x153/0x1b6 mm/failslab.c:32
libceph: connect [d::]:6789 error -101
 should_failslab+0x5/0xf mm/slab_common.c:1588
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc_node mm/slab.c:3304 [inline]
 kmem_cache_alloc_node_trace+0x244/0x4d0 mm/slab.c:3666
 __do_kmalloc_node mm/slab.c:3688 [inline]
 __kmalloc_node_track_caller+0x38/0x70 mm/slab.c:3703
 __kmalloc_reserve net/core/skbuff.c:137 [inline]
 __alloc_skb+0xae/0x580 net/core/skbuff.c:205
 alloc_skb include/linux/skbuff.h:995 [inline]
 __ip6_append_data+0x2357/0x2ec0 net/ipv6/ip6_output.c:1429
 ip6_append_data+0x1dd/0x300 net/ipv6/ip6_output.c:1591
ceph: No mds server is up or the cluster is laggy
 rawv6_sendmsg+0x1494/0x37e0 net/ipv6/raw.c:952
libceph: mon0 [d::]:6789 connect error
 inet_sendmsg+0x174/0x640 net/ipv4/af_inet.c:798