================================================================================ UBSAN: Undefined behaviour in ./include/net/red.h:272:18 shift exponent 75 is too large for 64-bit type 'long unsigned int' CPU: 1 PID: 17892 Comm: syz-executor.2 Not tainted 4.19.150-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+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 EXT4-fs (loop3): ext4_check_descriptors: Inode bitmap for group 0 overlaps block group descriptors 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 EXT4-fs (loop3): ext4_check_descriptors: Checksum for group 0 failed (36365!=0) tcp_v4_connect+0x141c/0x1aa0 net/ipv4/tcp_ipv4.c:315 __inet_stream_connect+0x836/0xe50 net/ipv4/af_inet.c:655 EXT4-fs (loop3): orphan cleanup on readonly fs tcp_sendmsg_fastopen net/ipv4/tcp.c:1185 [inline] tcp_sendmsg_locked+0x22cb/0x2fe0 net/ipv4/tcp.c:1232 EXT4-fs error (device loop3): ext4_orphan_get:1257: comm syz-executor.3: bad orphan inode 33554432 EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue 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_sendto+0x21a/0x320 net/socket.c:1787 __do_sys_sendto net/socket.c:1799 [inline] __se_sys_sendto net/socket.c:1795 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1795 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:00007fe80bbcdc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 000000000002e880 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 000000000118bf78 R08: 0000000020000100 R09: 0000000000000010 R10: 0000000020000801 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007fff3b94570f R14: 00007fe80bbce9c0 R15: 000000000118bf2c ================================================================================ EXT4-fs (loop3): ext4_check_descriptors: Inode bitmap for group 0 overlaps block group descriptors EXT4-fs (loop3): ext4_check_descriptors: Checksum for group 0 failed (36365!=0) EXT4-fs (loop3): orphan cleanup on readonly fs EXT4-fs error (device loop3): ext4_orphan_get:1257: comm syz-executor.3: bad orphan inode 33554432 EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): ext4_check_descriptors: Inode bitmap for group 0 overlaps block group descriptors EXT4-fs (loop3): ext4_check_descriptors: Checksum for group 0 failed (36365!=0) EXT4-fs (loop3): orphan cleanup on readonly fs EXT4-fs error (device loop3): ext4_orphan_get:1257: comm syz-executor.3: bad orphan inode 33554432 EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): ext4_check_descriptors: Inode bitmap for group 0 overlaps block group descriptors EXT4-fs (loop3): ext4_check_descriptors: Checksum for group 0 failed (36365!=0) EXT4-fs (loop3): orphan cleanup on readonly fs EXT4-fs error (device loop3): ext4_orphan_get:1257: comm syz-executor.3: bad orphan inode 33554432 EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2020/09/19 18:44 (1000) EXT4-fs (loop5): mounted filesystem without journal. Opts: debug_want_extra_isize=0x0000000000000100,,errors=continue UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2020/09/19 18:44 (1000) netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. EXT4-fs (loop5): mounted filesystem without journal. Opts: debug_want_extra_isize=0x0000000000000100,,errors=continue UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2020/09/19 18:44 (1000) EXT4-fs (loop5): mounted filesystem without journal. Opts: debug_want_extra_isize=0x0000000000000100,,errors=continue UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2020/09/19 18:44 (1000) EXT4-fs (loop5): mounted filesystem without journal. Opts: debug_want_extra_isize=0x0000000000000100,,errors=continue BTRFS: device fsid f90cac8b-044b-4fa8-8bee-4b8d3da88dc2 devid 1 transid 7 /dev/loop1 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. input: syz1 as /devices/virtual/input/input25 UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2020/09/19 18:44 (1000) input: syz1 as /devices/virtual/input/input26 BTRFS info (device loop1): turning on flush-on-commit BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents