last executing test programs:

kernel console output (not intermixed with test programs):

157.872934][ T5223] Bytes 1-3 of 4 are uninitialized
[  157.878116][ T5223] Memory access of size 4 starts at ffff88812748be78
[  157.884846][ T5223] Data copied to user address 00007f880cab7680
[  157.891073][ T5223] 
[  157.893461][ T5223] CPU: 1 UID: 0 PID: 5223 Comm: dhcpcd Not tainted syzkaller #0 PREEMPT(lazy) 
[  157.902506][ T5223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  157.912643][ T5223] =====================================================
[  157.919689][ T5223] Disabling lock debugging due to kernel taint
[  157.925942][ T5223] Kernel panic - not syncing: kmsan.panic set ...
[  157.932445][ T5223] CPU: 1 UID: 0 PID: 5223 Comm: dhcpcd Tainted: G    B               syzkaller #0 PREEMPT(lazy) 
[  157.943099][ T5223] Tainted: [B]=BAD_PAGE
[  157.947306][ T5223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  157.957448][ T5223] Call Trace:
[  157.960784][ T5223]  <TASK>
[  157.963768][ T5223]  __dump_stack+0x26/0x30
[  157.968211][ T5223]  dump_stack_lvl+0x50/0x1c0
[  157.973000][ T5223]  ? dump_stack+0x12/0x25
[  157.977442][ T5223]  dump_stack+0x1e/0x25
[  157.981795][ T5223]  vpanic+0x7b8/0x1430
[  157.985979][ T5223]  panic+0x15d/0x160
[  157.990013][ T5223]  kmsan_report+0x31a/0x320
[  157.994612][ T5223]  ? kmsan_internal_check_memory+0x1e4/0x240
[  158.000720][ T5223]  ? kmsan_copy_to_user+0xef/0x190
[  158.005919][ T5223]  ? irqentry_exit+0x4a6/0xa40
[  158.010786][ T5223]  ? exc_page_fault+0x7e/0xb0
[  158.015588][ T5223]  ? asm_exc_page_fault+0x2b/0x30
[  158.020720][ T5223]  ? kmsan_get_shadow_origin_ptr+0x4a/0xb0
[  158.026666][ T5223]  ? handle_mm_fault+0x2e79/0x6e60
[  158.031965][ T5223]  ? kmsan_report+0x300/0x320
[  158.036758][ T5223]  ? kmsan_get_metadata+0xf1/0x160
[  158.042047][ T5223]  kmsan_internal_check_memory+0x1e4/0x240
[  158.048029][ T5223]  kmsan_copy_to_user+0xef/0x190
[  158.053078][ T5223]  irqentry_exit+0x4a6/0xa40
[  158.057794][ T5223]  ? kmsan_internal_set_shadow_origin+0x41/0x110
[  158.064303][ T5223]  exc_page_fault+0x7e/0xb0
[  158.068906][ T5223]  asm_exc_page_fault+0x2b/0x30
[  158.073863][ T5223] RIP: 0033:0x561a31ef5551
[  158.078366][ T5223] Code: 02 00 00 e8 51 b4 fc ff 41 89 c4 83 f8 ff 0f 84 f5 01 00 00 85 c0 74 71 66 0f 6e 54 24 10 66 0f 6e c0 8b 7c 24 14 66 0f 62 c2 <66> 0f d6 43 34 e8 b5 ae fc ff 4d 85 f6 74 23 8b 73 38 48 8b bd c0
[  158.098096][ T5223] RSP: 002b:00007ffc73491140 EFLAGS: 00010202
[  158.104265][ T5223] RAX: 000000000000159b RBX: 0000561a5228a550 RCX: 0000000000000000
[  158.112301][ T5223] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000001a
[  158.120337][ T5223] RBP: 00007ffc734b1560 R08: 00007f880cc8cb60 R09: 0000000000000000
[  158.128394][ T5223] R10: 0000000000000008 R11: 0000000000000246 R12: 000000000000159b
[  158.136487][ T5223] R13: 0000000000000001 R14: 0000000000000000 R15: 0000561a31ef9ac0
[  158.144590][ T5223]  </TASK>
[  158.148310][ T5223] Kernel Offset: disabled
[  158.152701][ T5223] Rebooting in 86400 seconds..