netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. ================================================================================ UBSAN: Undefined behaviour in net/sched/cls_tcindex.c:238:29 shift exponent 511 is too large for 32-bit type 'int' CPU: 0 PID: 10007 Comm: syz-executor.0 Not tainted 4.19.147-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 valid_perfect_hash net/sched/cls_tcindex.c:238 [inline] tcindex_set_parms.cold+0x170/0x22f net/sched/cls_tcindex.c:398 tcindex_change+0x220/0x2f3 net/sched/cls_tcindex.c:518 tc_new_tfilter+0xb38/0x1570 net/sched/cls_api.c:1320 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+0x3b3/0x8f0 net/socket.c:2115 __sys_sendmmsg+0x195/0x470 net/socket.c:2210 __do_sys_sendmmsg net/socket.c:2239 [inline] __se_sys_sendmmsg net/socket.c:2236 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2236 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45e179 Code: 3d b2 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 0b b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f369f09bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000027f40 RCX: 000000000045e179 RDX: 04924924924926d3 RSI: 0000000020000200 RDI: 0000000000000006 RBP: 000000000118cf88 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffdb2f0cf0f R14: 00007f369f09c9c0 R15: 000000000118cf4c ================================================================================ kauditd_printk_skb: 7 callbacks suppressed audit: type=1804 audit(1601045714.576:56): pid=10040 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-testdir247201821/syzkaller.LmLThV/51/file0/bus" dev="ramfs" ino=37126 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. audit: type=1804 audit(1601045714.746:57): pid=10053 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-testdir247201821/syzkaller.LmLThV/52/file0/bus" dev="ramfs" ino=36555 res=1 audit: type=1804 audit(1601045714.886:58): pid=10072 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-testdir247201821/syzkaller.LmLThV/53/file0/bus" dev="ramfs" ino=37162 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. audit: type=1804 audit(1601045715.006:59): pid=10087 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-testdir247201821/syzkaller.LmLThV/54/file0/bus" dev="ramfs" ino=37171 res=1 audit: type=1804 audit(1601045715.416:60): pid=10106 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-testdir247201821/syzkaller.LmLThV/55/file0/bus" dev="ramfs" ino=36633 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. audit: type=1804 audit(1601045715.596:61): pid=10129 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-testdir247201821/syzkaller.LmLThV/56/file0/bus" dev="ramfs" ino=36650 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. audit: type=1804 audit(1601045715.726:62): pid=10143 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-testdir247201821/syzkaller.LmLThV/57/file0/bus" dev="ramfs" ino=36679 res=1 syz-executor.0 (10142) used greatest stack depth: 23632 bytes left audit: type=1804 audit(1601045716.266:63): pid=10168 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-testdir247201821/syzkaller.LmLThV/58/file0/bus" dev="ramfs" ino=37262 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. audit: type=1804 audit(1601045716.416:64): pid=10187 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-testdir247201821/syzkaller.LmLThV/59/file0/bus" dev="ramfs" ino=37271 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. audit: type=1804 audit(1601045716.566:65): pid=10202 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-testdir247201821/syzkaller.LmLThV/60/file0/bus" dev="ramfs" ino=36757 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. nla_parse: 2 callbacks suppressed netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. kauditd_printk_skb: 9 callbacks suppressed audit: type=1804 audit(1601045719.717:75): pid=10390 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-testdir247201821/syzkaller.LmLThV/70/file0/bus" dev="ramfs" ino=37517 res=1 audit: type=1804 audit(1601045719.817:76): pid=10405 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-testdir247201821/syzkaller.LmLThV/71/file0/bus" dev="ramfs" ino=37538 res=1 audit: type=1804 audit(1601045719.967:77): pid=10416 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-testdir247201821/syzkaller.LmLThV/72/file0/bus" dev="ramfs" ino=38041 res=1 audit: type=1804 audit(1601045720.567:78): pid=10441 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-testdir247201821/syzkaller.LmLThV/73/file0/bus" dev="ramfs" ino=38092 res=1 audit: type=1804 audit(1601045720.737:79): pid=10458 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-testdir247201821/syzkaller.LmLThV/74/file0/bus" dev="ramfs" ino=37606 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. audit: type=1804 audit(1601045721.417:80): pid=10488 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-testdir247201821/syzkaller.LmLThV/75/file0/bus" dev="ramfs" ino=37638 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. audit: type=1804 audit(1601045721.547:81): pid=10507 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-testdir247201821/syzkaller.LmLThV/76/file0/bus" dev="ramfs" ino=37655 res=1 audit: type=1804 audit(1601045721.677:82): pid=10523 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-testdir247201821/syzkaller.LmLThV/77/file0/bus" dev="ramfs" ino=37674 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. audit: type=1804 audit(1601045722.257:83): pid=10536 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-testdir247201821/syzkaller.LmLThV/78/file0/bus" dev="ramfs" ino=38241 res=1 audit: type=1804 audit(1601045722.387:84): pid=10554 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-testdir247201821/syzkaller.LmLThV/79/file0/bus" dev="ramfs" ino=37719 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'.