last executing test programs:

kernel console output (not intermixed with test programs):

kernel taint
[  135.562318][ T5538] Kernel panic - not syncing: kmsan.panic set ...
[  135.568800][ T5538] CPU: 1 UID: 0 PID: 5538 Comm: dhcpcd-run-hook Tainted: G    B               syzkaller #0 PREEMPT(lazy) 
[  135.580202][ T5538] Tainted: [B]=BAD_PAGE
[  135.584378][ T5538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  135.594490][ T5538] Call Trace:
[  135.597802][ T5538]  <TASK>
[  135.600764][ T5538]  __dump_stack+0x26/0x30
[  135.605172][ T5538]  dump_stack_lvl+0x50/0x1c0
[  135.609838][ T5538]  ? dump_stack+0x12/0x25
[  135.614244][ T5538]  dump_stack+0x1e/0x25
[  135.618465][ T5538]  vpanic+0x7b4/0x1430
[  135.622667][ T5538]  panic+0x15d/0x160
[  135.626678][ T5538]  kmsan_report+0x31a/0x320
[  135.631273][ T5538]  ? kmsan_get_metadata+0xf1/0x160
[  135.636471][ T5538]  ? kmsan_internal_check_memory+0x1e8/0x240
[  135.642532][ T5538]  ? kmsan_copy_to_user+0xef/0x190
[  135.647725][ T5538]  ? irqentry_exit+0x48b/0xa00
[  135.652581][ T5538]  ? exc_page_fault+0x7e/0xb0
[  135.657344][ T5538]  ? asm_exc_page_fault+0x2b/0x30
[  135.662444][ T5538]  ? handle_mm_fault+0x2eb0/0x6ee0
[  135.667666][ T5538]  ? kmsan_get_metadata+0xf1/0x160
[  135.672880][ T5538]  ? kmsan_get_metadata+0xf1/0x160
[  135.678088][ T5538]  ? kmsan_internal_set_shadow_origin+0x7a/0x110
[  135.684512][ T5538]  kmsan_internal_check_memory+0x1e8/0x240
[  135.690420][ T5538]  kmsan_copy_to_user+0xef/0x190
[  135.695451][ T5538]  irqentry_exit+0x48b/0xa00
[  135.700158][ T5538]  exc_page_fault+0x7e/0xb0
[  135.704761][ T5538]  asm_exc_page_fault+0x2b/0x30
[  135.709681][ T5538] RIP: 0033:0x7f3c656c79d0
[  135.714152][ T5538] Code: 88 fe ff 48 85 c0 74 0a 48 83 c4 08 c3 0f 1f 44 00 00 48 8b 15 19 54 0c 00 64 83 3a 22 75 e9 e8 f6 f3 ff ff 66 0f 1f 44 00 00 <55> 48 89 fd 53 89 f3 48 83 ec 08 e8 90 35 f3 ff 8b 45 40 85 c0 75
[  135.733837][ T5538] RSP: 002b:00007ffcd7f53e08 EFLAGS: 00010202
[  135.739979][ T5538] RAX: 0000559c86cbf910 RBX: 0000559c86cd4e80 RCX: 00005599df049100
[  135.748000][ T5538] RDX: 00007f3c6585d460 RSI: 0000000000000001 RDI: 00007ffcd7f54700
[  135.756020][ T5538] RBP: 0000000000000000 R08: 0000000000000020 R09: 0000000000000000
[  135.764035][ T5538] R10: 00007f3c65733fe0 R11: 00007f3c657348e0 R12: 0000559c86cbf910
[  135.772059][ T5538] R13: 0000559c86cbfc30 R14: 0000000000000002 R15: 0000000000000000
[  135.780107][ T5538]  </TASK>
[  135.783511][ T5538] Kernel Offset: disabled
[  135.787878][ T5538] Rebooting in 86400 seconds..