WARNING: kernel stack regs at 00000000f4d968c9 in syz-executor7:7548 has bad 'bp' value           (null)
unwind stack type:0 next_sp:          (null) mask:0x2 graph_idx:0
000000009351bf8e: ffff880196726bb0 (0xffff880196726bb0)
0000000076cf78ae: ffffffff812d399d (__save_stack_trace+0x7d/0xf0)
00000000d3875484: 0000000000000000 ...
000000006f478e52: ffff880196720000 (0xffff880196720000)
00000000255c5d69: ffff880196728000 (0xffff880196728000)