last executing test programs:

kernel console output (not intermixed with test programs):

2] Bytes 0-3 of 4 are uninitialized
[  135.270284][ T5542] Memory access of size 4 starts at ffff888125cc3e88
[  135.276995][ T5542] Data copied to user address 00007f19d3638ac0
[  135.283186][ T5542] 
[  135.285569][ T5542] CPU: 1 UID: 0 PID: 5542 Comm: dhcpcd-run-hook Not tainted syzkaller #0 PREEMPT(lazy) 
[  135.295355][ T5542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  135.305456][ T5542] =====================================================
[  135.312424][ T5542] Disabling lock debugging due to kernel taint
[  135.318608][ T5542] Kernel panic - not syncing: kmsan.panic set ...
[  135.325080][ T5542] CPU: 1 UID: 0 PID: 5542 Comm: dhcpcd-run-hook Tainted: G    B               syzkaller #0 PREEMPT(lazy) 
[  135.336450][ T5542] Tainted: [B]=BAD_PAGE
[  135.340635][ T5542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  135.350756][ T5542] Call Trace:
[  135.354073][ T5542]  <TASK>
[  135.357035][ T5542]  __dump_stack+0x26/0x30
[  135.361442][ T5542]  dump_stack_lvl+0x50/0x1c0
[  135.366107][ T5542]  ? dump_stack+0x12/0x25
[  135.370521][ T5542]  dump_stack+0x1e/0x25
[  135.374754][ T5542]  vpanic+0x7b4/0x1430
[  135.378923][ T5542]  panic+0x15d/0x160
[  135.382958][ T5542]  kmsan_report+0x31a/0x320
[  135.387593][ T5542]  ? kmsan_get_metadata+0xf1/0x160
[  135.392807][ T5542]  ? kmsan_internal_check_memory+0x1e8/0x240
[  135.398906][ T5542]  ? kmsan_copy_to_user+0xef/0x190
[  135.404103][ T5542]  ? irqentry_exit+0x48b/0xa00
[  135.408965][ T5542]  ? exc_page_fault+0x7e/0xb0
[  135.413728][ T5542]  ? asm_exc_page_fault+0x2b/0x30
[  135.418830][ T5542]  ? handle_mm_fault+0x2eb0/0x6ee0
[  135.424055][ T5542]  ? kmsan_get_metadata+0xf1/0x160
[  135.429289][ T5542]  ? kmsan_get_metadata+0xf1/0x160
[  135.434496][ T5542]  ? kmsan_internal_set_shadow_origin+0x7a/0x110
[  135.440922][ T5542]  kmsan_internal_check_memory+0x1e8/0x240
[  135.446832][ T5542]  kmsan_copy_to_user+0xef/0x190
[  135.451894][ T5542]  irqentry_exit+0x48b/0xa00
[  135.456605][ T5542]  exc_page_fault+0x7e/0xb0
[  135.461205][ T5542]  asm_exc_page_fault+0x2b/0x30
[  135.466138][ T5542] RIP: 0033:0x7f19d3923b10
[  135.470616][ T5542] Code: 8b 7f 08 e8 12 ee fc ff 48 8b 7b 10 e8 09 ee fc ff 48 89 df e8 01 ee fc ff 48 95 5a 5b 5d c3 48 85 ff 74 0e 8b 07 ff c8 78 03 <89> 07 c3 e9 e8 ed fc ff c3 8a 47 0c 84 c0 74 28 55 53 52 48 8b 6f
[  135.490312][ T5542] RSP: 002b:00007ffef1bf33c8 EFLAGS: 00010246
[  135.496510][ T5542] RAX: 0000000000000000 RBX: 000055787f8aee60 RCX: 000055787f8c4fa8
[  135.504583][ T5542] RDX: 00007f19d39a2450 RSI: 0000000000000001 RDI: 000055787f8c3270
[  135.512655][ T5542] RBP: 0000000000000001 R08: 00007ffef1bf33d0 R09: 000055787f8aee60
[  135.520722][ T5542] R10: 00007f19d3878fe0 R11: 00007f19d38798e0 R12: 000055787f8c4ce0
[  135.528791][ T5542] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
[  135.536886][ T5542]  </TASK>
[  135.540287][ T5542] Kernel Offset: disabled
[  135.544660][ T5542] Rebooting in 86400 seconds..