================================================================================ 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: 8166 Comm: syz-executor.0 Not tainted 4.19.148-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 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:00007f44c2fbfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 0000000000033ec0 RCX: 000000000045dd99 RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000118bf78 R08: 0000000100000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffc5ae6348f R14: 00007f44c2fc09c0 R15: 000000000118bf2c ================================================================================ netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. (unnamed net_device) (uninitialized): HSR: Slave2 device not specified netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. (unnamed net_device) (uninitialized): HSR: Slave2 device not specified netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 3286 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 3286 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 3286 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. *** Guest State *** CR0: actual=0x0000000000000030, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002040, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 CR3 = 0x0000000000000000 RSP = 0x0000000000000000 RIP = 0x0000000000000231 RFLAGS=0x00000246 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 CS: sel=0x0000, attr=0x0009b, limit=0x0000ffff, base=0x0000000000000000 DS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 SS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 ES: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GDTR: limit=0x0000ffff, base=0x0000000000000000 LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000 IDTR: limit=0x0000ffff, base=0x0000000000000000 TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 EFER = 0x0000000000000000 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 Interruptibility = 00000001 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811ca1ca RSP = 0xffff88804d107878 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007f685ecab700 GSBase=ffff8880ae200000 TRBase=fffffe0000003000 GDTBase=fffffe0000032000 IDTBase=fffffe0000000000 CR0=0000000080050033 CR3=00000000a86e3000 CR4=00000000001426f0 Sysenter RSP=fffffe0000034000 CS:RIP=0010:ffffffff87c013e0 EFER = 0x0000000000000d01 PAT = 0x0407050600070106 *** Control State *** PinBased=0000003f CPUBased=b5986dfa SecondaryExec=000000e2 EntryControls=0000d1ff ExitControls=002fefff ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=80000202 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000003 reason=80000021 qualification=0000000000000003 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xffffff8b0f133bd0 EPT pointer = 0x000000009053501e Virtual processor ID = 0x0001 team0: Device ipvlan1 failed to register rx_handler *** Guest State *** CR0: actual=0x0000000000000030, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002040, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 CR3 = 0x0000000000000000 RSP = 0x0000000000000000 RIP = 0x0000000000000231 RFLAGS=0x00000246 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 CS: sel=0x0000, attr=0x0009b, limit=0x0000ffff, base=0x0000000000000000 DS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 SS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 ES: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GDTR: limit=0x0000ffff, base=0x0000000000000000 LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000 IDTR: limit=0x0000ffff, base=0x0000000000000000 TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 EFER = 0x0000000000000000 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 Interruptibility = 00000001 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811ca1ca RSP = 0xffff88804ded7878 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 team0: Device ipvlan1 failed to register rx_handler FSBase=00007f685ecab700 GSBase=ffff8880ae200000 TRBase=fffffe0000003000 GDTBase=fffffe0000001000 IDTBase=fffffe0000000000 CR0=0000000080050033 CR3=00000000a32cc000 CR4=00000000001426f0 Sysenter RSP=fffffe0000003000 CS:RIP=0010:ffffffff87c013e0 EFER = 0x0000000000000d01 PAT = 0x0407050600070106 *** Control State *** PinBased=0000003f CPUBased=b5986dfa SecondaryExec=000000e2 EntryControls=0000d1ff ExitControls=002fefff ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=80000202 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000003 reason=80000021 qualification=0000000000000003 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xffffff8a5a91cda5 EPT pointer = 0x0000000091fc801e Virtual processor ID = 0x0001 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. audit: type=1800 audit(1601382294.437:9): pid=8423 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.1" name="bus" dev="sda1" ino=15842 res=0 audit: type=1800 audit(1601382294.497:10): pid=8423 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.1" name="bus" dev="sda1" ino=15842 res=0 syz-executor.1 (8423) used greatest stack depth: 23456 bytes left audit: type=1800 audit(1601382294.637:11): pid=8425 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.1" name="bus" dev="sda1" ino=15835 res=0 audit: type=1800 audit(1601382294.657:12): pid=8423 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.1" name="bus" dev="sda1" ino=15835 res=0 new mount options do not match the existing superblock, will be ignored new mount options do not match the existing superblock, will be ignored