netlink: 172 bytes leftover after parsing attributes in process `syz-executor.2'.
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UBSAN: shift-out-of-bounds in net/xfrm/xfrm_user.c:2005:49
shift exponent 224 is too large for 32-bit type 'int'
CPU: 0 PID: 10966 Comm: syz-executor.2 Not tainted 5.14.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x57/0x7d lib/dump_stack.c:105
 ubsan_epilogue+0x5/0x40 lib/ubsan.c:148
 __ubsan_handle_shift_out_of_bounds.cold+0x61/0xe9 lib/ubsan.c:327
 xfrm_get_default.cold+0x26/0xb8 net/xfrm/xfrm_user.c:2005
 xfrm_user_rcv_msg+0x35e/0x7a0 net/xfrm/xfrm_user.c:2864
 netlink_rcv_skb+0x118/0x370 net/netlink/af_netlink.c:2504
 xfrm_netlink_rcv+0x66/0x80 net/xfrm/xfrm_user.c:2876
 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline]
 netlink_unicast+0x42e/0x700 net/netlink/af_netlink.c:1340
 netlink_sendmsg+0x704/0xbf0 net/netlink/af_netlink.c:1929
 sock_sendmsg_nosec net/socket.c:703 [inline]
 sock_sendmsg+0xab/0xe0 net/socket.c:723
 sock_no_sendpage+0xe7/0x120 net/core/sock.c:2959
 kernel_sendpage.part.0+0x11e/0x240 net/socket.c:3673
 kernel_sendpage net/socket.c:3670 [inline]
 sock_sendpage+0xc7/0x1a0 net/socket.c:1002
 pipe_to_sendpage+0x245/0x410 fs/splice.c:364
 splice_from_pipe_feed fs/splice.c:418 [inline]
 __splice_from_pipe+0x362/0x810 fs/splice.c:562
 splice_from_pipe fs/splice.c:597 [inline]
 generic_splice_sendpage+0xba/0x120 fs/splice.c:746
 do_splice_from fs/splice.c:767 [inline]
 direct_splice_actor+0xfb/0x1c0 fs/splice.c:936
 splice_direct_to_actor+0x2dd/0x7c0 fs/splice.c:891
 do_splice_direct+0x154/0x260 fs/splice.c:979
 do_sendfile+0x821/0xfd0 fs/read_write.c:1260
 __do_sys_sendfile64 fs/read_write.c:1325 [inline]
 __se_sys_sendfile64 fs/read_write.c:1311 [inline]
 __x64_sys_sendfile64+0x186/0x1d0 fs/read_write.c:1311
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665f9
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:00007f529dd24188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665f9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000100000002 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffe0634226f R14: 00007f529dd24300 R15: 0000000000022000
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