loop3: partition table beyond EOD, truncated loop_reread_partitions: partition scan of loop3 () failed (rc=-5) IPVS: Error connecting to the multicast addr ================================================================================ 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: 8396 Comm: syz-executor.0 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 IPVS: ftp: loaded support on port[0] = 21 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:00007ff012636c78 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: 00007fff6bb870ff R14: 00007ff0126379c0 R15: 000000000118bf2c ================================================================================ FAT-fs (loop5): bogus number of reserved sectors FAT-fs (loop5): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero FAT-fs (loop5): Can't find a valid FAT filesystem EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue 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. EXT4-fs warning (device loop3): ext4_dirent_csum_verify:368: inode #2: comm syz-executor.3: No space for directory leaf checksum. Please run e2fsck -D. EXT4-fs error (device loop3): htree_dirblock_to_tree:995: inode #2: comm syz-executor.3: Directory block failed checksum audit: type=1804 audit(1602723918.138:18): pid=8514 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir014061415/syzkaller.SF3A22/8/file0/bus" dev="ramfs" ino=32037 res=1 audit: type=1804 audit(1602723918.168:19): pid=8514 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir014061415/syzkaller.SF3A22/8/file0/bus" dev="ramfs" ino=32037 res=1 EXT4-fs (loop4): Unrecognized mount option "fowner<184467440737095516150" or missing value audit: type=1804 audit(1602723918.168:20): pid=8514 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir014061415/syzkaller.SF3A22/8/file0/bus" dev="ramfs" ino=32037 res=1 audit: type=1804 audit(1602723918.358:21): pid=8514 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir014061415/syzkaller.SF3A22/8/file0/file0/bus" dev="ramfs" ino=31562 res=1 EXT4-fs (loop4): Unrecognized mount option "fowner<000000000000000000000" or missing value audit: type=1804 audit(1602723918.368:22): pid=8542 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir014061415/syzkaller.SF3A22/8/file0/file0/bus" dev="ramfs" ino=31562 res=1 audit: type=1804 audit(1602723918.368:23): pid=8514 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir014061415/syzkaller.SF3A22/8/file0/file0/bus" dev="ramfs" ino=31562 res=1 audit: type=1400 audit(1602723919.848:24): avc: denied { write } for pid=8633 comm="syz-executor.4" name="net" dev="proc" ino=32244 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dir permissive=1 EXT4-fs (loop1): VFS: Can't find ext4 filesystem audit: type=1400 audit(1602723919.848:25): avc: denied { add_name } for pid=8633 comm="syz-executor.4" name="pfkey" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dir permissive=1 audit: type=1400 audit(1602723919.858:26): avc: denied { create } for pid=8633 comm="syz-executor.4" name="pfkey" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:kernel_t:s0 tclass=file permissive=1 EXT4-fs (loop1): VFS: Can't find ext4 filesystem new mount options do not match the existing superblock, will be ignored new mount options do not match the existing superblock, will be ignored netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. audit: type=1400 audit(1602723923.298:27): avc: denied { create } for pid=8854 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 FAT-fs (loop2): Unrecognized mount option "iocharset4" or missing value FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) audit: type=1400 audit(1602723923.358:28): avc: denied { name_connect } for pid=8854 comm="syz-executor.0" dest=20000 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 audit: type=1400 audit(1602723923.428:29): avc: denied { setattr } for pid=8854 comm="syz-executor.0" name="DCCPv6" dev="sockfs" ino=32547 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 IPVS: Error connecting to the multicast addr netlink: 112 bytes leftover after parsing attributes in process `syz-executor.5'. squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop4 IPVS: Error connecting to the multicast addr (syz-executor.4,8962,1):ocfs2_parse_options:1513 ERROR: Invalid heartbeat mount options (syz-executor.4,8962,1):ocfs2_fill_super:1225 ERROR: status = -22 EXT4-fs (loop3): VFS: Can't find ext4 filesystem overlayfs: unrecognized mount option "EÃmwÔØ€!ùÉÊ^ buspperdähøvAlu’" or missing value overlayfs: unrecognized mount option "EÃmwÔØ€!ùÉÊ^ buspperdähøvAlu’" or missing value audit: type=1804 audit(1602723924.978:30): pid=9001 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-testdir377480558/syzkaller.yBqqKj/23/bus" dev="sda1" ino=15883 res=1 TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. audit: type=1804 audit(1602723925.848:31): pid=9045 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-testdir377480558/syzkaller.yBqqKj/23/bus" dev="sda1" ino=15883 res=1 XFS (loop0): unknown mount option [permit_directio].