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UBSAN: Undefined behaviour in net/ieee802154/nl802154.c:930:44
shift exponent -1627389953 is negative
CPU: 1 PID: 10704 Comm: syz-executor.2 Not tainted 5.4.0-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+0x96/0xe0 lib/dump_stack.c:118
 ubsan_epilogue+0x9/0x35 lib/ubsan.c:158
 __ubsan_handle_shift_out_of_bounds.cold.13+0x1f/0x66 lib/ubsan.c:404
 nl802154_new_interface.cold.34+0x3d/0x42 net/ieee802154/nl802154.c:930
 genl_family_rcv_msg+0x5ff/0xf40 net/netlink/genetlink.c:629
 genl_rcv_msg+0xb3/0x160 net/netlink/genetlink.c:654
 netlink_rcv_skb+0x119/0x340 net/netlink/af_netlink.c:2477
 genl_rcv+0x1f/0x30 net/netlink/genetlink.c:665
 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
 netlink_unicast+0x3fc/0x5c0 net/netlink/af_netlink.c:1328
 netlink_sendmsg+0x71e/0xb70 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:637 [inline]
 sock_sendmsg+0xac/0xf0 net/socket.c:657
 ___sys_sendmsg+0x653/0x950 net/socket.c:2311
 __sys_sendmsg+0xce/0x170 net/socket.c:2356
 do_syscall_64+0x8e/0x4e0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x466019
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:00007f126cd28188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466019
RDX: 0000000000000000 RSI: 0000000020000ac0 RDI: 0000000000000004
RBP: 00000000004bd067 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffeccafcd0f R14: 00007f126cd28300 R15: 0000000000022000
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