================================================================================ 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: 10270 Comm: syz-executor.5 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_netiface_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: 0033:0x45dd99 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:00007fd27635cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 00000000000350c0 RCX: 000000000045dd99 RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000118bf78 R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffee09d332f R14: 00007fd27635d9c0 R15: 000000000118bf2c ================================================================================ netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. bond15 (uninitialized): Released all slaves netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. overlayfs: filesystem on './file0' not supported as upperdir Cannot find add_set index 0 as target netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'. Cannot find add_set index 0 as target overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. bond18 (uninitialized): Released all slaves audit: type=1804 audit(1601621829.106:24): pid=10472 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir890000333/syzkaller.XhwCaH/131/bus" dev="sda1" ino=15977 res=1 audit: type=1800 audit(1601621829.106:25): pid=10472 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=15977 res=0 bond18 (uninitialized): Released all slaves bond18 (uninitialized): Released all slaves audit: type=1804 audit(1601621829.806:26): pid=10479 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir890000333/syzkaller.XhwCaH/131/bus" dev="sda1" ino=15977 res=1 audit: type=1804 audit(1601621829.996:27): pid=10476 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir890000333/syzkaller.XhwCaH/131/bus" dev="sda1" ino=15977 res=1 audit: type=1800 audit(1601621829.996:28): pid=10476 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=15977 res=0 audit: type=1804 audit(1601621829.996:29): pid=10520 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir890000333/syzkaller.XhwCaH/131/bus" dev="sda1" ino=15977 res=1 audit: type=1804 audit(1601621830.246:30): pid=10538 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir890000333/syzkaller.XhwCaH/132/bus" dev="sda1" ino=15962 res=1 nla_parse: 9 callbacks suppressed netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. audit: type=1800 audit(1601621830.276:31): pid=10538 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=15962 res=0 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. ********************************************************** ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** ** ** ** trace_printk() being used. Allocating extra memory. ** ** ** ** This means that this is a DEBUG kernel and it is ** ** unsafe for production use. ** ** ** ** If you see this message and you are not debugging ** ** the kernel, report this immediately to your vendor! ** ** ** ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** ********************************************************** audit: type=1804 audit(1601621830.936:32): pid=10555 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir890000333/syzkaller.XhwCaH/132/bus" dev="sda1" ino=15962 res=1 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. audit: type=1804 audit(1601621831.306:33): pid=10603 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir890000333/syzkaller.XhwCaH/133/bus" dev="sda1" ino=16011 res=1 Bluetooth: hci0: command 0x0401 tx timeout device bond18 entered promiscuous mode 8021q: adding VLAN 0 to HW filter on device macvlan2 device bond18 left promiscuous mode netlink: 'syz-executor.3': attribute type 1 has an invalid length. device bond1 entered promiscuous mode netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. bond1: making interface veth5 the new active one device veth5 entered promiscuous mode bond1: Enslaving veth5 as an active interface with an up link device bond19 entered promiscuous mode 8021q: adding VLAN 0 to HW filter on device macvlan2 device bond19 left promiscuous mode kauditd_printk_skb: 6 callbacks suppressed audit: type=1804 audit(1601621834.137:40): pid=10708 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir890000333/syzkaller.XhwCaH/134/bus" dev="sda1" ino=16021 res=1 bond1 (unregistering): Releasing backup interface veth5 device veth5 left promiscuous mode audit: type=1804 audit(1601621834.567:41): pid=10777 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir890000333/syzkaller.XhwCaH/135/bus" dev="sda1" ino=16021 res=1 audit: type=1800 audit(1601621834.587:42): pid=10777 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=16021 res=0 audit: type=1804 audit(1601621834.617:43): pid=10762 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir156503431/syzkaller.bQhnlS/134/bus" dev="sda1" ino=16028 res=1 bond1 (unregistering): Released all slaves netlink: 'syz-executor.3': attribute type 1 has an invalid length. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. device bond20 entered promiscuous mode 8021q: adding VLAN 0 to HW filter on device macvlan2 device bond20 left promiscuous mode audit: type=1804 audit(1601621835.327:44): pid=10780 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir890000333/syzkaller.XhwCaH/135/bus" dev="sda1" ino=16021 res=1 libceph: parse_ips bad ip '[]:]. 2>6' Bluetooth: hci4: command 0x0401 tx timeout audit: type=1804 audit(1601621835.937:45): pid=10919 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir890000333/syzkaller.XhwCaH/136/bus" dev="sda1" ino=16016 res=1 nla_parse: 1 callbacks suppressed netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. bond21 (uninitialized): Released all slaves audit: type=1800 audit(1601621835.967:46): pid=10919 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=16016 res=0 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. bond21 (uninitialized): Released all slaves audit: type=1804 audit(1601621836.677:47): pid=10928 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir890000333/syzkaller.XhwCaH/136/bus" dev="sda1" ino=16016 res=1 audit: type=1804 audit(1601621836.927:48): pid=10986 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir890000333/syzkaller.XhwCaH/137/bus" dev="sda1" ino=16041 res=1 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. audit: type=1800 audit(1601621836.927:49): pid=10986 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=16041 res=0 bond21 (uninitialized): Released all slaves netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. bond21 (uninitialized): Released all slaves netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. bond21 (uninitialized): Released all slaves