last executing test programs:

kernel console output (not intermixed with test programs):

467199][ T5543] Bytes 0-3 of 4 are uninitialized
[  168.472422][ T5543] Memory access of size 4 starts at ffff888108e5fe8c
[  168.479223][ T5543] Data copied to user address 00007fe98868aadc
[  168.485491][ T5543] 
[  168.487958][ T5543] CPU: 0 UID: 0 PID: 5543 Comm: dhcpcd-run-hook Not tainted syzkaller #0 PREEMPT(lazy) 
[  168.497910][ T5543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  168.508133][ T5543] =====================================================
[  168.515270][ T5543] Disabling lock debugging due to kernel taint
[  168.521546][ T5543] Kernel panic - not syncing: kmsan.panic set ...
[  168.528136][ T5543] CPU: 0 UID: 0 PID: 5543 Comm: dhcpcd-run-hook Tainted: G    B               syzkaller #0 PREEMPT(lazy) 
[  168.539667][ T5543] Tainted: [B]=BAD_PAGE
[  168.543948][ T5543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  168.554175][ T5543] Call Trace:
[  168.557573][ T5543]  <TASK>
[  168.560709][ T5543]  __dump_stack+0x26/0x30
[  168.565238][ T5543]  dump_stack_lvl+0x50/0x1c0
[  168.570029][ T5543]  ? dump_stack+0x12/0x25
[  168.574560][ T5543]  dump_stack+0x1e/0x25
[  168.578909][ T5543]  vpanic+0x7b8/0x1430
[  168.583238][ T5543]  panic+0x15d/0x160
[  168.587400][ T5543]  kmsan_report+0x31a/0x320
[  168.592109][ T5543]  ? kmsan_internal_check_memory+0x1e4/0x240
[  168.598495][ T5543]  ? kmsan_copy_to_user+0xef/0x190
[  168.603833][ T5543]  ? irqentry_exit+0x34c/0xa60
[  168.608832][ T5543]  ? exc_page_fault+0x7e/0xb0
[  168.613709][ T5543]  ? asm_exc_page_fault+0x2b/0x30
[  168.618920][ T5543]  ? finish_task_switch+0x5c7/0xc70
[  168.624344][ T5543]  ? __switch_to+0x5ba/0x7f0
[  168.629156][ T5543]  ? __schedule+0x298a/0x8660
[  168.634056][ T5543]  ? kmsan_report+0x290/0x320
[  168.638973][ T5543]  ? kmsan_get_metadata+0xf1/0x160
[  168.644300][ T5543]  kmsan_internal_check_memory+0x1e4/0x240
[  168.650337][ T5543]  kmsan_copy_to_user+0xef/0x190
[  168.655504][ T5543]  irqentry_exit+0x34c/0xa60
[  168.660305][ T5543]  ? kmsan_save_stack_with_flags+0x41/0x60
[  168.666485][ T5543]  exc_page_fault+0x7e/0xb0
[  168.671191][ T5543]  asm_exc_page_fault+0x2b/0x30
[  168.676243][ T5543] RIP: 0033:0x7fe9887a7d1b
[  168.680815][ T5543] Code: b9 cd cc cc cc cc cc cc cc 66 0f 1f 44 00 00 48 89 f8 48 89 f9 48 83 ee 01 49 f7 e1 48 c1 ea 03 48 8d 04 92 48 01 c0 48 29 c1 <41> 0f b6 04 08 88 06 48 89 f8 48 89 d7 48 83 f8 09 77 d2 48 89 f0
[  168.700626][ T5543] RSP: 002b:00007ffed8fcdc98 EFLAGS: 00010246
[  168.706894][ T5543] RAX: 0000000000000000 RBX: 00007ffed8fce1a0 RCX: 0000000000000000
[  168.715040][ T5543] RDX: 0000000000000000 RSI: 00007ffed8fce157 RDI: 0000000000000000
[  168.723180][ T5543] RBP: 0000000000000001 R08: 00007fe9888e8660 R09: cccccccccccccccd
[  168.731354][ T5543] R10: 0000000000000001 R11: 0000000000000202 R12: 0000000000000000
[  168.739474][ T5543] R13: 00007ffed8fce260 R14: 0000000000000001 R15: 0000000000000000
[  168.747669][ T5543]  </TASK>
[  168.751525][ T5543] Kernel Offset: disabled
[  168.755969][ T5543] Rebooting in 86400 seconds..