================================================================================ UBSAN: shift-out-of-bounds in net/nfc/nci/core.c:912:45 shift exponent 268435489 is too large for 32-bit type 'int' CPU: 1 PID: 8328 Comm: syz-executor.4 Not tainted 6.4.0-syzkaller-12155-ga452483508d7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x136/0x150 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:217 [inline] __ubsan_handle_shift_out_of_bounds+0x221/0x5a0 lib/ubsan.c:387 nci_activate_target.cold+0x1a/0x1f net/nfc/nci/core.c:912 nfc_activate_target+0x1f8/0x4c0 net/nfc/core.c:420 nfc_genl_activate_target+0x1f3/0x290 net/nfc/netlink.c:900 genl_family_rcv_msg_doit.isra.0+0x1e6/0x2d0 net/netlink/genetlink.c:970 genl_family_rcv_msg net/netlink/genetlink.c:1050 [inline] genl_rcv_msg+0x4ff/0x7e0 net/netlink/genetlink.c:1067 netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2549 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1078 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline] netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365 netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1914 sock_sendmsg_nosec net/socket.c:725 [inline] sock_sendmsg+0xde/0x190 net/socket.c:748 ____sys_sendmsg+0x739/0x920 net/socket.c:2494 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2548 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2577 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f8a42c8c389 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8a417fe168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f8a42dabf80 RCX: 00007f8a42c8c389 RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000005 RBP: 00007f8a42cd7493 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd5259356f R14: 00007f8a417fe300 R15: 0000000000022000 ================================================================================