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UBSAN: shift-out-of-bounds in ./include/net/red.h:229:23
shift exponent 32 is too large for 32-bit type 'u32' (aka 'unsigned int')
CPU: 1 PID: 14949 Comm: syz-executor.5 Not tainted 5.11.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x137/0x1be lib/dump_stack.c:120
 ubsan_epilogue lib/ubsan.c:148 [inline]
 __ubsan_handle_shift_out_of_bounds+0x432/0x4d0 lib/ubsan.c:395
 red_set_parms include/net/red.h:229 [inline]
 choke_change+0x1569/0x1600 net/sched/sch_choke.c:413
 qdisc_create+0x7b1/0x1400 net/sched/sch_api.c:1247
 tc_modify_qdisc+0x975/0x1e10 net/sched/sch_api.c:1663
 rtnetlink_rcv_msg+0x887/0xd60 net/core/rtnetlink.c:5553
 netlink_rcv_skb+0x190/0x3a0 net/netlink/af_netlink.c:2494
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x786/0x940 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x9ae/0xd50 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg net/socket.c:672 [inline]
 ____sys_sendmsg+0x519/0x800 net/socket.c:2345
 ___sys_sendmsg net/socket.c:2399 [inline]
 __sys_sendmsg+0x2bf/0x370 net/socket.c:2432
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x465b09
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdeb4ddf188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09
RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000004
RBP: 00000000004b069f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffe0ed9b55f R14: 00007fdeb4ddf300 R15: 0000000000022000
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