================================================================================ UBSAN: Undefined behaviour in ./include/net/red.h:272:18 shift exponent 240 is too large for 64-bit type 'long unsigned int' CPU: 0 PID: 12488 Comm: syz-executor.3 Not tainted 4.19.152-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 red_calc_qavg_from_idle_time include/net/red.h:272 [inline] red_calc_qavg include/net/red.h:313 [inline] choke_enqueue+0x2a7e/0x2cc0 net/sched/sch_choke.c:231 __dev_xmit_skb net/core/dev.c:3494 [inline] __dev_queue_xmit+0x14df/0x2ec0 net/core/dev.c:3807 neigh_hh_output include/net/neighbour.h:491 [inline] neigh_output include/net/neighbour.h:499 [inline] ip6_finish_output2+0xe78/0x2370 net/ipv6/ip6_output.c:120 ip6_finish_output+0x610/0xcc0 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip6_output+0x205/0x7c0 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:455 [inline] ip6_local_out+0xaf/0x170 net/ipv6/output_core.c:178 ip6_send_skb+0xb3/0x300 net/ipv6/ip6_output.c:1699 udp_v6_send_skb+0x7d6/0x16e0 net/ipv6/udp.c:1114 udpv6_sendmsg+0x2406/0x2b90 net/ipv6/udp.c:1411 inet_sendmsg+0x174/0x640 net/ipv4/af_inet.c:798 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 ISOFS: Unable to identify CD-ROM format. __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: 0033:0x45de59 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:00007f1469b82c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000027fc0 RCX: 000000000045de59 RDX: 0000000000000001 RSI: 0000000020004dc0 RDI: 0000000000000003 RBP: 000000000118bf68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffe66b3e37f R14: 00007f1469b839c0 R15: 000000000118bf2c ================================================================================ ISOFS: Unable to identify CD-ROM format. raw_sendmsg: syz-executor.3 forgot to set AF_INET. Fix it! qnx6: wrong signature (magic) at position (0x2000) - will try alternative position (0x0000). qnx6: wrong signature (magic) in superblock #1. qnx6: unable to read the first superblock qnx6: wrong signature (magic) at position (0x2000) - will try alternative position (0x0000). qnx6: wrong signature (magic) in superblock #1. qnx6: unable to read the first superblock MINIX-fs: bad superblock or unable to read bitmaps MINIX-fs: bad superblock or unable to read bitmaps ebt_among: wrong size: 2080 against expected 2280, rounded to 2280 audit: type=1800 audit(1603311152.383:16): pid=12723 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.4" name="cgroup.controllers" dev="sda1" ino=16003 res=0 audit: type=1804 audit(1603311152.583:17): pid=12770 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir307014991/syzkaller.E0lvVm/151/bus" dev="sda1" ino=16054 res=1 audit: type=1804 audit(1603311152.583:18): pid=12770 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir307014991/syzkaller.E0lvVm/151/bus" dev="sda1" ino=16054 res=1 audit: type=1804 audit(1603311152.633:19): pid=12770 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir307014991/syzkaller.E0lvVm/151/bus" dev="sda1" ino=16054 res=1 EXT4-fs warning (device sda1): verify_group_input:131: Cannot add at group 1025 (only 16 groups) audit: type=1804 audit(1603311154.193:20): pid=12897 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir975211854/syzkaller.t61tm6/208/bus" dev="sda1" ino=16003 res=1 audit: type=1804 audit(1603311154.193:21): pid=12903 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir975211854/syzkaller.t61tm6/208/bus" dev="sda1" ino=16003 res=1 audit: type=1400 audit(1603311154.433:22): avc: denied { ioctl } for pid=12919 comm="syz-executor.4" path="socket:[41291]" dev="sockfs" ino=41291 ioctlcmd=0x5411 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 Cannot find map_set index 0 as target netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. ipt_CLUSTERIP: unknown mode 6 ipt_CLUSTERIP: unknown mode 6 ipt_CLUSTERIP: unknown mode 6 ipt_CLUSTERIP: unknown mode 6 ipt_CLUSTERIP: unknown mode 6 XFS (loop2): sunit and swidth options incompatible with the noalign option XFS (loop2): sunit and swidth options incompatible with the noalign option XFS (loop2): sunit and swidth options incompatible with the noalign option XFS (loop2): sunit and swidth options incompatible with the noalign option XFS (loop2): sunit and swidth options incompatible with the noalign option netlink: 72 bytes leftover after parsing attributes in process `syz-executor.4'.