================================================================================ 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: 16437 Comm: syz-executor.0 Not tainted 4.19.149-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: 0033:0x45dd99 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:00007fcefbcc8c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045dd99 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffdd6b94bbf R14: 00007fcefbcc99c0 R15: 000000000118bf2c ================================================================================ XFS (loop4): invalid log iosize: 255 [not 12-30] ldm_validate_privheads(): Disk read failed. loop2: p2 < > loop2: partition table partially beyond EOD, truncated loop2: p2 size 2 extends beyond EOD, truncated netlink: 208 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 208 bytes leftover after parsing attributes in process `syz-executor.0'. EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue ldm_validate_privheads(): Disk read failed. loop2: p2 < > loop2: partition table partially beyond EOD, truncated loop2: p2 size 2 extends beyond EOD, truncated netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 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. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. audit: type=1800 audit(1601563673.921:60): pid=16608 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.0" name="bus" dev="sda1" ino=16721 res=0 ldm_validate_privheads(): Disk read failed. loop2: p2 < > loop2: partition table partially beyond EOD, truncated loop2: p2 size 2 extends beyond EOD, truncated netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 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. 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. ipt_REJECT: TCP_RESET invalid for non-tcp A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. ldm_validate_privheads(): Disk read failed. loop2: p2 < > loop2: partition table partially beyond EOD, truncated xt_CT: You must specify a L4 protocol and not use inversions on it xt_CT: You must specify a L4 protocol and not use inversions on it loop2: p2 size 2 extends beyond EOD, truncated IPv6: NLM_F_CREATE should be specified when creating new route ldm_validate_privheads(): Disk read failed. loop2: p2 < > loop2: partition table partially beyond EOD, truncated loop2: p2 size 2 extends beyond EOD, truncated xt_CT: You must specify a L4 protocol and not use inversions on it netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. xt_CT: You must specify a L4 protocol and not use inversions on it netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. ldm_validate_privheads(): Disk read failed. loop2: p2 < > loop2: partition table partially beyond EOD, truncated loop2: p2 size 2 extends beyond EOD, truncated ldm_validate_privheads(): Disk read failed. loop2: p2 < > loop2: partition table partially beyond EOD, truncated loop2: p2 size 2 extends beyond EOD, truncated netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: lowerdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. ldm_validate_privheads(): Disk read failed. loop2: p2 < > overlayfs: failed to resolve './file0': -2 loop2: partition table partially beyond EOD, truncated netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. loop2: p2 size 2 extends beyond EOD, truncated netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. ldm_validate_privheads(): Disk read failed. loop2: p2 < > loop2: partition table partially beyond EOD, truncated audit: type=1804 audit(1601563679.851:61): pid=16949 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir708961478/syzkaller.AsLdIp/205/bus" dev="sda1" ino=15938 res=1 loop2: p2 size 2 extends beyond EOD, truncated audit: type=1804 audit(1601563679.901:62): pid=16947 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir708961478/syzkaller.AsLdIp/205/bus" dev="sda1" ino=15938 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. overlayfs: filesystem on './file1' not supported as upperdir audit: type=1804 audit(1601563680.351:63): pid=16949 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir708961478/syzkaller.AsLdIp/205/bus" dev="sda1" ino=15938 res=1 audit: type=1804 audit(1601563680.381:64): pid=16947 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir708961478/syzkaller.AsLdIp/205/bus" dev="sda1" ino=15938 res=1