================================================================================ UBSAN: Undefined behaviour in ./include/net/red.h:272:18 shift exponent 177 is too large for 64-bit type 'long unsigned int' CPU: 0 PID: 12899 Comm: syz-executor.0 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] red_enqueue+0x2064/0x2200 net/sched/sch_red.c:68 __dev_xmit_skb net/core/dev.c:3494 [inline] __dev_queue_xmit+0x14e1/0x2ec0 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 ip6_push_pending_frames+0xdd/0x100 net/ipv6/ip6_output.c:1719 icmpv6_push_pending_frames+0x294/0x470 net/ipv6/icmp.c:288 icmp6_send+0x1c51/0x2310 net/ipv6/icmp.c:584 kauditd_printk_skb: 12 callbacks suppressed audit: type=1400 audit(1602956050.406:91): avc: denied { set_context_mgr } for pid=12891 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=binder permissive=1 icmpv6_send+0x11e/0x26d net/ipv6/ip6_icmp.c:43 ip6_link_failure+0x26/0x560 net/ipv6/route.c:2297 dst_link_failure include/net/dst.h:438 [inline] vti6_xmit net/ipv6/ip6_vti.c:541 [inline] vti6_tnl_xmit+0x8f3/0x1cd0 net/ipv6/ip6_vti.c:580 __netdev_start_xmit include/linux/netdevice.h:4333 [inline] netdev_start_xmit include/linux/netdevice.h:4347 [inline] xmit_one net/core/dev.c:3256 [inline] dev_hard_start_xmit+0x1a8/0x960 net/core/dev.c:3272 __dev_queue_xmit+0x276a/0x2ec0 net/core/dev.c:3838 neigh_output include/net/neighbour.h:501 [inline] ip6_finish_output2+0x1184/0x2370 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 ip6_push_pending_frames+0xdd/0x100 net/ipv6/ip6_output.c:1719 rawv6_push_pending_frames net/ipv6/raw.c:618 [inline] rawv6_sendmsg+0x2b79/0x37e0 net/ipv6/raw.c:959 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 __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:00007fb6e8bc2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000027f00 RCX: 000000000045de59 RDX: 00000000000002e9 RSI: 0000000020000480 RDI: 0000000000000006 RBP: 000000000118c0b8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118c07c R13: 00007ffdd0fcfbdf R14: 00007fb6e8bc39c0 R15: 000000000118c07c ================================================================================ f2fs_msg: 11 callbacks suppressed F2FS-fs (loop4): Wrong secs_per_zone / total_sections (30, 24) F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop4): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop4): Can't find valid F2FS filesystem in 2th superblock F2FS-fs (loop4): Wrong secs_per_zone / total_sections (30, 24) F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop4): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop4): Can't find valid F2FS filesystem in 2th superblock F2FS-fs (loop4): Wrong secs_per_zone / total_sections (30, 24) F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock f2fs_msg: 70 callbacks suppressed F2FS-fs (loop4): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop4): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop4): Can't find valid F2FS filesystem in 2th superblock F2FS-fs (loop4): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop4): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop4): Can't find valid F2FS filesystem in 2th superblock F2FS-fs (loop4): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock