audit: type=1804 audit(1603203773.246:20): pid=8639 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-testdir086162160/syzkaller.F04691/11/bus" dev="sda1" ino=15847 res=1 ================================================================================ 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: 8660 Comm: syz-executor.5 Not tainted 4.19.152-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 IPVS: ftp: loaded support on port[0] = 21 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_netportnet_create.cold+0x1a/0x23 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: 0033:0x45de59 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:00007f0cc1ba8c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffc0d70f4af R14: 00007f0cc1ba99c0 R15: 000000000118bf2c ================================================================================ wlan1: Trigger new scan to find an IBSS to join audit: type=1800 audit(1603203774.266:21): pid=8694 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.2" name="bus" dev="sda1" ino=15850 res=0 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket pid=8729 comm=syz-executor.5 qnx4: no qnx4 filesystem (no root dir). overlayfs: unrecognized mount option "workdir(lNM"52z.ˬ3G'I3.oPh%RVLvhpV%'>F" or missing value overlayfs: unrecognized mount option "workdir(lNM"52z.ˬ3G'I3.oPh%RVLvhpV%'>F" or missing value wlan1: Trigger new scan to find an IBSS to join A link change request failed with some changes committed already. Interface syz_tun may have been left with an inconsistent configuration, please check. audit: type=1800 audit(1603203777.416:22): pid=8875 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.2" name="SYSV00000000" dev="hugetlbfs" ino=0 res=0 audit: type=1800 audit(1603203777.496:23): pid=8888 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.2" name="SYSV00000000" dev="hugetlbfs" ino=32768 res=0 wlan1: Creating new IBSS network, BSSID 92:58:da:f9:2d:0c audit: type=1804 audit(1603203778.546:24): pid=9017 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-testdir086162160/syzkaller.F04691/17/bus" dev="sda1" ino=15860 res=1 IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready nla_parse: 2 callbacks suppressed netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. A link change request failed with some changes committed already. Interface syz_tun may have been left with an inconsistent configuration, please check. A link change request failed with some changes committed already. Interface syz_tun may have been left with an inconsistent configuration, please check. A link change request failed with some changes committed already. Interface syz_tun may have been left with an inconsistent configuration, please check. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=9227 comm=syz-executor.2 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=9228 comm=syz-executor.2 A link change request failed with some changes committed already. Interface syz_tun may have been left with an inconsistent configuration, please check. A link change request failed with some changes committed already. Interface syz_tun may have been left with an inconsistent configuration, please check. audit: type=1800 audit(1603203782.286:25): pid=9399 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.5" name="file0" dev="sda1" ino=15860 res=0 netlink: 52 bytes leftover after parsing attributes in process `syz-executor.2'. audit: type=1804 audit(1603203782.286:26): pid=9399 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-testdir086162160/syzkaller.F04691/23/file1/file0" dev="sda1" ino=15860 res=1 audit: type=1800 audit(1603203782.286:27): pid=9399 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.5" name="file0" dev="sda1" ino=15860 res=0 audit: type=1804 audit(1603203782.486:28): pid=9410 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-testdir909899406/syzkaller.LndA9O/26/bus" dev="sda1" ino=15882 res=1 audit: type=1804 audit(1603203782.536:29): pid=9410 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-testdir909899406/syzkaller.LndA9O/26/bus" dev="sda1" ino=15882 res=1 ldm_validate_privheads(): Disk read failed. loop2: p2 < > p4 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. loop2: partition table partially beyond EOD, truncated audit: type=1804 audit(1603203782.546:30): pid=9447 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-testdir909899406/syzkaller.LndA9O/26/bus" dev="sda1" ino=15882 res=1 loop2: p2 size 2 extends beyond EOD, truncated overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection.