last executing test programs:

kernel console output (not intermixed with test programs):

[ T5538] Bytes 0-3 of 4 are uninitialized
[  160.532118][ T5538] Memory access of size 4 starts at ffff8881179e7e88
[  160.538856][ T5538] Data copied to user address 00007f06b1c8fac0
[  160.545060][ T5538] 
[  160.547501][ T5538] CPU: 1 UID: 0 PID: 5538 Comm: dhcpcd-run-hook Not tainted syzkaller #0 PREEMPT(lazy) 
[  160.557337][ T5538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  160.567561][ T5538] =====================================================
[  160.574582][ T5538] Disabling lock debugging due to kernel taint
[  160.580878][ T5538] Kernel panic - not syncing: kmsan.panic set ...
[  160.587385][ T5538] CPU: 1 UID: 0 PID: 5538 Comm: dhcpcd-run-hook Tainted: G    B               syzkaller #0 PREEMPT(lazy) 
[  160.598843][ T5538] Tainted: [B]=BAD_PAGE
[  160.603049][ T5538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  160.613185][ T5538] Call Trace:
[  160.616523][ T5538]  <TASK>
[  160.619515][ T5538]  __dump_stack+0x26/0x30
[  160.623960][ T5538]  dump_stack_lvl+0x50/0x1c0
[  160.628660][ T5538]  ? dump_stack+0x12/0x25
[  160.633112][ T5538]  dump_stack+0x1e/0x25
[  160.637375][ T5538]  vpanic+0x7b4/0x1430
[  160.641634][ T5538]  panic+0x15d/0x160
[  160.645679][ T5538]  kmsan_report+0x31a/0x320
[  160.650315][ T5538]  ? finish_task_switch+0x3a8/0xbc0
[  160.655627][ T5538]  ? kmsan_internal_check_memory+0x1e8/0x240
[  160.661743][ T5538]  ? kmsan_copy_to_user+0xef/0x190
[  160.666991][ T5538]  ? irqentry_exit+0x48b/0xa00
[  160.671889][ T5538]  ? exc_page_fault+0x7e/0xb0
[  160.676701][ T5538]  ? asm_exc_page_fault+0x2b/0x30
[  160.681856][ T5538]  ? __schedule+0x2930/0x8750
[  160.686699][ T5538]  ? kmsan_get_metadata+0xf1/0x160
[  160.691970][ T5538]  ? kmsan_get_metadata+0xf1/0x160
[  160.697218][ T5538]  ? kmsan_get_metadata+0xf1/0x160
[  160.702496][ T5538]  kmsan_internal_check_memory+0x1e8/0x240
[  160.708462][ T5538]  kmsan_copy_to_user+0xef/0x190
[  160.713563][ T5538]  irqentry_exit+0x48b/0xa00
[  160.718351][ T5538]  exc_page_fault+0x7e/0xb0
[  160.723015][ T5538]  asm_exc_page_fault+0x2b/0x30
[  160.728009][ T5538] RIP: 0033:0x7f06b1d80190
[  160.732569][ T5538] Code: 68 04 00 00 00 e9 90 fe ff ff ff 25 d2 8a 1a 00 68 27 00 00 00 e9 80 fe ff ff ff 25 ca 8a 1a 00 68 26 00 00 00 e9 70 fe ff ff <ff> 25 c2 8a 1a 00 68 25 00 00 00 e9 60 fe ff ff ff 25 ba 8a 1a 00
[  160.752304][ T5538] RSP: 002b:00007ffddb05d0c8 EFLAGS: 00010202
[  160.758490][ T5538] RAX: 00007ffddb05d6b0 RBX: 00007ffddb05d5d0 RCX: 0000000000000000
[  160.766565][ T5538] RDX: 00007ffddb05d690 RSI: 0000000000000025 RDI: 00007f06b1fd886a
[  160.774636][ T5538] RBP: 00007ffddb05d780 R08: 000055c91ee82ea2 R09: 0000000000000001
[  160.782711][ T5538] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000201
[  160.790781][ T5538] R13: 00007ffddb05d690 R14: 0000000000000001 R15: 00007f06b1fd886a
[  160.798874][ T5538]  </TASK>
[  160.802177][ T5538] Kernel Offset: disabled
[  160.806583][ T5538] Rebooting in 86400 seconds..