last executing test programs:

kernel console output (not intermixed with test programs):

  165.514332][ T5226] Bytes 1-3 of 4 are uninitialized
[  165.519543][ T5226] Memory access of size 4 starts at ffff88811bb53e78
[  165.526327][ T5226] Data copied to user address 00007f2c2a57c680
[  165.532573][ T5226] 
[  165.535035][ T5226] CPU: 0 UID: 0 PID: 5226 Comm: dhcpcd Not tainted syzkaller #0 PREEMPT(lazy) 
[  165.544143][ T5226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  165.554340][ T5226] =====================================================
[  165.561384][ T5226] Disabling lock debugging due to kernel taint
[  165.567668][ T5226] Kernel panic - not syncing: kmsan.panic set ...
[  165.574217][ T5226] CPU: 0 UID: 0 PID: 5226 Comm: dhcpcd Tainted: G    B               syzkaller #0 PREEMPT(lazy) 
[  165.584919][ T5226] Tainted: [B]=BAD_PAGE
[  165.589169][ T5226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  165.599363][ T5226] Call Trace:
[  165.602750][ T5226]  <TASK>
[  165.605786][ T5226]  __dump_stack+0x26/0x30
[  165.610340][ T5226]  dump_stack_lvl+0x50/0x1c0
[  165.615126][ T5226]  ? dump_stack+0x12/0x25
[  165.619625][ T5226]  dump_stack+0x1e/0x25
[  165.623954][ T5226]  vpanic+0x7b8/0x1430
[  165.628230][ T5226]  panic+0x15d/0x160
[  165.632357][ T5226]  kmsan_report+0x31a/0x320
[  165.637043][ T5226]  ? kmsan_internal_check_memory+0x1e4/0x240
[  165.643203][ T5226]  ? kmsan_copy_to_user+0xef/0x190
[  165.648482][ T5226]  ? irqentry_exit+0x4ba/0xa60
[  165.653456][ T5226]  ? exc_page_fault+0x7e/0xb0
[  165.658312][ T5226]  ? asm_exc_page_fault+0x2b/0x30
[  165.663494][ T5226]  ? finish_task_switch+0x68a/0xc70
[  165.668873][ T5226]  ? __switch_to+0x5ba/0x7f0
[  165.673630][ T5226]  ? __schedule+0x298a/0x8660
[  165.678497][ T5226]  ? kmsan_report+0x290/0x320
[  165.683359][ T5226]  ? kmsan_get_metadata+0xf1/0x160
[  165.688649][ T5226]  kmsan_internal_check_memory+0x1e4/0x240
[  165.694654][ T5226]  kmsan_copy_to_user+0xef/0x190
[  165.699766][ T5226]  irqentry_exit+0x4ba/0xa60
[  165.704550][ T5226]  ? kmsan_save_stack_with_flags+0x41/0x60
[  165.710632][ T5226]  exc_page_fault+0x7e/0xb0
[  165.715340][ T5226]  asm_exc_page_fault+0x2b/0x30
[  165.720366][ T5226] RIP: 0033:0x7f2c2a67e140
[  165.724922][ T5226] Code: f8 ff 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 49 89 d4 53 89 fb 48 81 ec f8 04 00 00 48 8b 05 98 1c 0d 00 <48> 89 b5 20 fb ff ff 89 8d 1c fb ff ff 64 44 8b 30 81 ff ff 03 00
[  165.744702][ T5226] RSP: 002b:00007fff5e34ce50 EFLAGS: 00010206
[  165.750959][ T5226] RAX: ffffffffffffff88 RBX: 0000000000000007 RCX: 0000000000000000
[  165.759066][ T5226] RDX: 00007fff5e34d7c0 RSI: 0000555625b2e9df RDI: 0000000000000007
[  165.767165][ T5226] RBP: 00007fff5e34d370 R08: 0000000000000000 R09: 0000000000000000
[  165.775266][ T5226] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff5e34d7c0
[  165.783368][ T5226] R13: 00007fff5e35da70 R14: 00007fff5e35da90 R15: 00007fff5e35da30
[  165.791518][ T5226]  </TASK>
[  165.795287][ T5226] Kernel Offset: disabled
[  165.799687][ T5226] Rebooting in 86400 seconds..