================================================================================
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: 6407 Comm: syz-executor.2 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_net_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
 ___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: 0033:0x45de89
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:00007f91ceb94c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045de89
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe20a5552f R14: 00007f91ceb959c0 R15: 000000000118bf2c
================================================================================
sch_tbf: burst 0 is lower than device lo mtu (18) !
IPVS: sync thread started: state = BACKUP, mcast_ifn = veth0_to_team, syncid = 0, id = 0
IPVS: stopping backup sync thread 6479 ...
IPVS: sync thread started: state = BACKUP, mcast_ifn = veth0_to_team, syncid = 0, id = 0
gretap0: refused to change device tx_queue_len
audit: type=1804 audit(1601812408.672:75): pid=6491 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-testdir958989046/syzkaller.dLZvII/646/file0/bus" dev="ramfs" ino=122602 res=1
A link change request failed with some changes committed already. Interface gretap0 may have been left with an inconsistent configuration, please check.
IPVS: stopping backup sync thread 6490 ...
audit: type=1804 audit(1601812411.452:76): pid=6516 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-testdir958989046/syzkaller.dLZvII/647/file0/bus" dev="ramfs" ino=123156 res=1
================================================================================
UBSAN: Undefined behaviour in net/sched/sch_api.c:375:22
shift exponent 128 is too large for 32-bit type 'int'
CPU: 1 PID: 6532 Comm: syz-executor.2 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
 __detect_linklayer net/sched/sch_api.c:375 [inline]
 qdisc_get_rtab.cold+0x1d/0x8e net/sched/sch_api.c:421
 tbf_change+0x99d/0x1230 net/sched/sch_tbf.c:325
 tbf_init+0x91/0xc4 net/sched/sch_tbf.c:433
 qdisc_create+0x534/0x1080 net/sched/sch_api.c:1155
 tc_modify_qdisc+0x4c0/0x195b net/sched/sch_api.c:1571
 rtnetlink_rcv_msg+0x498/0xc10 net/core/rtnetlink.c:4778
 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455
 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
audit: type=1804 audit(1601812411.612:77): pid=6533 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-testdir958989046/syzkaller.dLZvII/648/file0/bus" dev="ramfs" ino=122696 res=1
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45de89
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:00007f91ceb94c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000002e600 RCX: 000000000045de89
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000005
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe20a5552f R14: 00007f91ceb959c0 R15: 000000000118bf2c
================================================================================
================================================================================
UBSAN: Undefined behaviour in net/sched/sch_api.c:376:24
shift exponent 128 is too large for 32-bit type 'int'
CPU: 1 PID: 6532 Comm: syz-executor.2 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
 __detect_linklayer net/sched/sch_api.c:376 [inline]
 qdisc_get_rtab.cold+0x7f/0x8e net/sched/sch_api.c:421
 tbf_change+0x99d/0x1230 net/sched/sch_tbf.c:325
 tbf_init+0x91/0xc4 net/sched/sch_tbf.c:433
 qdisc_create+0x534/0x1080 net/sched/sch_api.c:1155
 tc_modify_qdisc+0x4c0/0x195b net/sched/sch_api.c:1571
 rtnetlink_rcv_msg+0x498/0xc10 net/core/rtnetlink.c:4778
 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455
 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: 0033:0x45de89
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
ptrace attach of "/root/syz-executor.5"[6557] was attempted by "/root/syz-executor.5"[6558]
RSP: 002b:00007f91ceb94c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000002e600 RCX: 000000000045de89
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000005
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe20a5552f R14: 00007f91ceb959c0 R15: 000000000118bf2c
================================================================================
sch_tbf: burst 0 is lower than device lo mtu (65550) !
sch_tbf: burst 0 is lower than device lo mtu (65550) !
IPVS: stopping backup sync thread 6579 ...
IPVS: sync thread started: state = BACKUP, mcast_ifn = veth0_to_team, syncid = 0, id = 0
IPVS: ftp: loaded support on port[0] = 21
IPVS: stopping backup sync thread 6608 ...
IPVS: sync thread started: state = BACKUP, mcast_ifn = veth0_to_team, syncid = 0, id = 0
audit: type=1804 audit(1601812413.082:78): pid=6624 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-testdir958989046/syzkaller.dLZvII/652/file0/bus" dev="sda1" ino=17097 res=1
IPVS: ftp: loaded support on port[0] = 21
nla_parse: 5 callbacks suppressed
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'.
audit: type=1804 audit(1601812413.542:79): pid=6687 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-testdir958989046/syzkaller.dLZvII/653/file0/bus" dev="sda1" ino=16585 res=1
netlink: 124 bytes leftover after parsing attributes in process `syz-executor.5'.
IPVS: ftp: loaded support on port[0] = 21
audit: type=1804 audit(1601812413.852:80): pid=6715 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-testdir958989046/syzkaller.dLZvII/654/file0/bus" dev="sda1" ino=16536 res=1
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'.
audit: type=1326 audit(1601812414.412:81): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=6757 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=c000003e syscall=228 compat=0 ip=0x460cea code=0x7ffc0000
audit: type=1326 audit(1601812414.412:82): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=6757 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x45de89 code=0x7ffc0000
audit: type=1326 audit(1601812414.442:83): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=6757 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x45de89 code=0x7ffc0000
audit: type=1326 audit(1601812414.472:84): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=6757 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=c000003e syscall=228 compat=0 ip=0x460cea code=0x7ffc0000
audit: type=1326 audit(1601812414.472:85): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=6757 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=c000003e syscall=157 compat=0 ip=0x45de89 code=0x7ffc0000
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'.
IPVS: sync thread started: state = BACKUP, mcast_ifn = veth0_to_team, syncid = 0, id = 0
device lo entered promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode