================================================================================ UBSAN: Undefined behaviour in ./include/net/red.h:272:18 shift exponent 253 is too large for 64-bit type 'long unsigned int' CPU: 1 PID: 12366 Comm: syz-executor.1 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] ip_finish_output2+0xc04/0x1640 net/ipv4/ip_output.c:230 ip_finish_output+0x88e/0xd80 net/ipv4/ip_output.c:318 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip_output+0x203/0x650 net/ipv4/ip_output.c:406 dst_output include/net/dst.h:455 [inline] ip_local_out+0xaf/0x170 net/ipv4/ip_output.c:125 __ip_queue_xmit+0x8a0/0x1bd0 net/ipv4/ip_output.c:506 __tcp_transmit_skb+0x1c72/0x36c0 net/ipv4/tcp_output.c:1148 tcp_transmit_skb net/ipv4/tcp_output.c:1164 [inline] tcp_send_syn_data net/ipv4/tcp_output.c:3486 [inline] tcp_connect+0x121e/0x2610 net/ipv4/tcp_output.c:3525 tcp_v4_connect+0x141c/0x1aa0 net/ipv4/tcp_ipv4.c:315 __inet_stream_connect+0x836/0xe50 net/ipv4/af_inet.c:655 tcp_sendmsg_fastopen net/ipv4/tcp.c:1185 [inline] tcp_sendmsg_locked+0x22cb/0x2fe0 net/ipv4/tcp.c:1232 tcp_sendmsg+0x2b/0x40 net/ipv4/tcp.c:1460 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+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:00007f35fa806c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000002e340 RCX: 000000000045de59 RDX: 0000000020000811 RSI: 0000000020000fc0 RDI: 0000000000000005 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffe14fa16af R14: 00007f35fa8079c0 R15: 000000000118bf2c ================================================================================ BFS-fs: bfs_fill_super(): Superblock is corrupted xt_CONNSECMARK: only valid in 'mangle' or 'security' table, not 'filter' BFS-fs: bfs_fill_super(): Superblock is corrupted audit: type=1400 audit(1603103819.516:16): avc: denied { ioctl } for pid=12467 comm="syz-executor.3" path="socket:[45077]" dev="sockfs" ino=45077 ioctlcmd=0x8946 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 9pnet: Insufficient options for proto=fd 9pnet: Insufficient options for proto=fd 9pnet: Insufficient options for proto=fd blktrace: Concurrent blktraces are not allowed on sg0 audit: type=1800 audit(1603103820.276:17): pid=12495 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=16379 res=0 9pnet: Insufficient options for proto=fd audit: type=1804 audit(1603103820.446:18): pid=12495 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-testdir430561265/syzkaller.l6tazH/123/file0" dev="sda1" ino=16379 res=1 blktrace: Concurrent blktraces are not allowed on sg0 9pnet: Insufficient options for proto=fd blktrace: Concurrent blktraces are not allowed on sg0 [drm:drm_wait_vblank_ioctl] *ERROR* Unsupported type value 0x28000000, supported mask 0x7400003f EXT4-fs error (device loop4): ext4_fill_super:4448: inode #2: comm syz-executor.4: iget: root inode unallocated EXT4-fs (loop4): get root inode failed EXT4-fs (loop4): mount failed EXT4-fs error (device loop4): ext4_fill_super:4448: inode #2: comm syz-executor.4: iget: root inode unallocated EXT4-fs (loop4): get root inode failed EXT4-fs (loop4): mount failed EXT4-fs error (device loop4): ext4_fill_super:4448: inode #2: comm syz-executor.4: iget: root inode unallocated EXT4-fs (loop4): get root inode failed EXT4-fs (loop4): mount failed audit: type=1800 audit(1603103821.656:19): pid=12579 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=16402 res=0 EXT4-fs error (device loop4): ext4_fill_super:4448: inode #2: comm syz-executor.4: iget: root inode unallocated EXT4-fs (loop4): get root inode failed EXT4-fs (loop4): mount failed audit: type=1804 audit(1603103822.076:20): pid=12579 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-testdir430561265/syzkaller.l6tazH/124/file0" dev="sda1" ino=16402 res=1 audit: type=1800 audit(1603103822.136:21): pid=12619 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.2" name="file0" dev="sda1" ino=16379 res=0 audit: type=1804 audit(1603103822.386:22): pid=12617 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir396511529/syzkaller.lAYqa6/180/file0" dev="sda1" ino=16379 res=1 EXT4-fs error (device loop4): ext4_fill_super:4448: inode #2: comm syz-executor.4: iget: root inode unallocated EXT4-fs (loop4): get root inode failed EXT4-fs (loop4): mount failed audit: type=1800 audit(1603103824.667:23): pid=12639 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.2" name="file0" dev="sda1" ino=16449 res=0 audit: type=1804 audit(1603103824.737:24): pid=12639 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir396511529/syzkaller.lAYqa6/181/file0" dev="sda1" ino=16449 res=1 audit: type=1800 audit(1603103824.917:25): pid=12652 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=16405 res=0 audit: type=1800 audit(1603103824.927:26): pid=12653 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.3" name="file0" dev="sda1" ino=16434 res=0 audit: type=1804 audit(1603103825.017:27): pid=12659 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-testdir430561265/syzkaller.l6tazH/125/file0" dev="sda1" ino=16405 res=1 audit: type=1800 audit(1603103825.767:28): pid=12697 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.3" name="file0" dev="sda1" ino=16446 res=0 audit: type=1804 audit(1603103825.837:29): pid=12697 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir617199558/syzkaller.ZteMqj/148/file0" dev="sda1" ino=16446 res=1 sg_write: data in/out 14695230/4 bytes for SCSI command 0xc7-- guessing data in; program syz-executor.4 not setting count and/or reply_len properly input: syz1 as /devices/virtual/input/input5 sg_write: data in/out 14695230/4 bytes for SCSI command 0xc7-- guessing data in; program syz-executor.4 not setting count and/or reply_len properly input: syz1 as /devices/virtual/input/input6 audit: type=1800 audit(1603103826.187:30): pid=12713 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.2" name="file0" dev="sda1" ino=16443 res=0 input: syz1 as /devices/virtual/input/input7 audit: type=1800 audit(1603103826.237:31): pid=12715 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=16436 res=0 audit: type=1804 audit(1603103826.337:32): pid=12715 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-testdir430561265/syzkaller.l6tazH/126/file0" dev="sda1" ino=16436 res=1 input: syz1 as /devices/virtual/input/input8 input: syz1 as /devices/virtual/input/input9