FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 ================================================================================ GDTR: limit=0x0000ffff, base=0x0000000000000000 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: 8321 Comm: syz-executor.3 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 LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 IDTR: limit=0x0000ffff, base=0x0000000000000000 htable_bits net/netfilter/ipset/ip_set_hash_gen.h:125 [inline] hash_ip_create.cold+0x1a/0x29 net/netfilter/ipset/ip_set_hash_gen.h:1290 ip_set_create+0x70e/0x1380 net/netfilter/ipset/ip_set_core.c:940 TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 nfnetlink_rcv_msg+0xeff/0x1210 net/netfilter/nfnetlink.c:233 EFER = 0x0000000000000000 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 Interruptibility = 00000001 ActivityState = 00000000 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 *** Host State *** 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 RIP = 0xffffffff811ca2ea RSP = 0xffff8880422cf878 netlink_sendmsg+0x717/0xcc0 net/netlink/af_netlink.c:1909 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc7/0x130 net/socket.c:632 ___sys_sendmsg+0x7bb/0x8f0 net/socket.c:2115 FSBase=00007f6b60c3f700 GSBase=ffff8880ae300000 TRBase=fffffe0000003000 GDTBase=fffffe0000001000 IDTBase=fffffe0000000000 __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 CR0=0000000080050033 CR3=00000000a905f000 CR4=00000000001426e0 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 Sysenter RSP=fffffe0000003000 CS:RIP=0010:ffffffff87c013e0 RSP: 002b:00007f4e1979ac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007fff6fe5453f R14: 00007f4e1979b9c0 R15: 000000000118bf2c ================================================================================ EFER = 0x0000000000000d01 PAT = 0x0407050600070106 ceph: No mds server is up or the cluster is laggy ceph: No mds server is up or the cluster is laggy *** 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 = 0xffffff8c8074985a EPT pointer = 0x000000008f39101e netlink: 36 bytes leftover after parsing attributes in process `syz-executor.4'. Virtual processor ID = 0x0001 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 36 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 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. loop5: RDSK (0) unable to read partition table loop5: partition table beyond EOD, truncated EXT4-fs (loop0): VFS: Can't find ext4 filesystem loop_reread_partitions: partition scan of loop5 () failed (rc=-5) netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. (unnamed net_device) (uninitialized): HSR: Slave1 device not specified netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. (unnamed net_device) (uninitialized): HSR: Slave1 device not specified loop5: RDSK (0) unable to read partition table loop5: partition table beyond EOD, truncated overlayfs: unrecognized mount option "upperdiK Ñ" or missing value loop_reread_partitions: partition scan of loop5 () failed (rc=-5) overlayfs: unrecognized mount option "upperdiK Ñ" or missing value audit: type=1800 audit(1602923340.073:10): pid=8420 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.1" name="memory.events" dev="sda1" ino=15822 res=0 overlayfs: unrecognized mount option "upperdiK Ñ" or missing value overlayfs: unrecognized mount option "wo|æ–7B" or missing value overlayfs: unrecognized mount option "wo|æ–7B" or missing value Process accounting resumed Process accounting resumed overlayfs: unrecognized mount option "upperdiK Ñ" or missing value overlayfs: unrecognized mount option "upperdiK Ñ" or missing value overlayfs: unrecognized mount option "upperdiK Ñ" or missing value overlayfs: unrecognized mount option "upperdiK Ñ" or missing value overlayfs: unrecognized mount option "upperdiK Ñ" or missing value overlayfs: unrecognized mount option "upperdiK Ñ" or missing value overlayfs: unrecognized mount option "upperdiK Ñ" or missing value overlayfs: unrecognized mount option "upperdiK Ñ" or missing value overlayfs: unrecognized mount option "upperdiK Ñ" or missing value audit: type=1804 audit(1602923342.243:11): pid=8542 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-testdir708957606/syzkaller.8yUWqM/12/file1/bus" dev="loop5" ino=3 res=1 overlayfs: unrecognized mount option "upperdiK Ñ" or missing value VFS: could not find a valid V7 on loop4. overlayfs: unrecognized mount option "upperdiK Ñ" or missing value audit: type=1804 audit(1602923342.383:12): pid=8553 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-testdir708957606/syzkaller.8yUWqM/12/file1/bus" dev="loop5" ino=3 res=1 overlayfs: unrecognized mount option "upperdiK Ñ" or missing value netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. overlayfs: unrecognized mount option "upperdiK Ñ" or missing value overlayfs: unrecognized mount option "upperdiK Ñ" or missing value overlayfs: unrecognized mount option "upperdiK Ñ" or missing value overlayfs: unrecognized mount option "upperdiK Ñ" or missing value overlayfs: unrecognized mount option "upperdiK Ñ" or missing value device bridge1 entered promiscuous mode device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state bridge1: port 1(bridge_slave_0) entered blocking state bridge1: port 1(bridge_slave_0) entered disabled state overlayfs: unrecognized mount option "upperdiK Ñ" or missing value device bridge_slave_0 entered promiscuous mode bridge1: port 1(bridge_slave_0) entered blocking state bridge1: port 1(bridge_slave_0) entered forwarding state overlayfs: unrecognized mount option "upperdiK Ñ" or missing value device bridge_slave_0 left promiscuous mode bridge1: port 1(bridge_slave_0) entered disabled state overlayfs: unrecognized mount option "upperdiK Ñ" or missing value overlayfs: unrecognized mount option "upperdiK Ñ" or missing value overlayfs: unrecognized mount option "upperdiK Ñ" or missing value hfs: can't find a HFS filesystem on dev loop2 overlayfs: unrecognized mount option "upperdiK Ñ" or missing value overlayfs: unrecognized mount option "upperdiK Ñ" or missing value overlayfs: unrecognized mount option "upperdiK Ñ" or missing value overlayfs: unrecognized mount option "upperdiK Ñ" or missing value XFS (loop1): Invalid superblock magic number overlayfs: unrecognized mount option "upperdiK Ñ" or missing value print_req_error: I/O error, dev loop1, sector 0 overlayfs: unrecognized mount option "upperdiK Ñ" or missing value netlink: 40 bytes leftover after parsing attributes in process `syz-executor.4'. hfs: can't find a HFS filesystem on dev loop2 overlayfs: unrecognized mount option "upperdiK Ñ" or missing value overlayfs: unrecognized mount option "upperdiK Ñ" or missing value overlayfs: unrecognized mount option "upperdiK Ñ" or missing value overlayfs: unrecognized mount option "upperdiK Ñ" or missing value netlink: 40 bytes leftover after parsing attributes in process `syz-executor.4'. overlayfs: unrecognized mount option "upperdiK Ñ" or missing value kvm: pic: level sensitive irq not supported kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported overlayfs: unrecognized mount option "upperdiK Ñ" or missing value kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported overlayfs: unrecognized mount option "upperdiK Ñ" or missing value kvm: pic: level sensitive irq not supported kvm: pic: single mode not supported kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kvm: pic: level sensitive irq not supported overlayfs: unrecognized mount option "upperdiK Ñ" or missing value kvm: pic: level sensitive irq not supported overlayfs: unrecognized mount option "upperdiK Ñ" or missing value kvm: pic: level sensitive irq not supported overlayfs: unrecognized mount option "upperdiK Ñ" or missing value