last executing test programs:

kernel console output (not intermixed with test programs):

[  133.253525][ T5510] =====================================================
[  133.260730][ T5510] BUG: KMSAN: kernel-infoleak in irqentry_exit+0x48b/0xa00
[  133.268021][ T5510]  irqentry_exit+0x48b/0xa00
[  133.272698][ T5510]  exc_page_fault+0x7e/0xb0
[  133.277284][ T5510]  asm_exc_page_fault+0x2b/0x30
[  133.282241][ T5510] 
[  133.284588][ T5510] Local variable end_time.i.i created at:
[  133.290349][ T5510]  __x64_sys_poll+0x87/0x540
[  133.295000][ T5510]  x64_sys_call+0x3130/0x3ea0
[  133.299752][ T5510] 
[  133.302093][ T5510] Bytes 0-3 of 4 are uninitialized
[  133.307233][ T5510] Memory access of size 4 starts at ffff88811aa23e88
[  133.313980][ T5510] Data copied to user address 00007f8f1be4bac0
[  133.320163][ T5510] 
[  133.322542][ T5510] CPU: 0 UID: 0 PID: 5510 Comm: dhcpcd-run-hook Not tainted syzkaller #0 PREEMPT(lazy) 
[  133.332325][ T5510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  133.342452][ T5510] =====================================================
[  133.349450][ T5510] Disabling lock debugging due to kernel taint
[  133.355657][ T5510] Kernel panic - not syncing: kmsan.panic set ...
[  133.362396][ T5510] CPU: 0 UID: 0 PID: 5510 Comm: dhcpcd-run-hook Tainted: G    B               syzkaller #0 PREEMPT(lazy) 
[  133.373773][ T5510] Tainted: [B]=BAD_PAGE
[  133.377963][ T5510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  133.388083][ T5510] Call Trace:
[  133.391402][ T5510]  <TASK>
[  133.394374][ T5510]  __dump_stack+0x26/0x30
[  133.398791][ T5510]  dump_stack_lvl+0x50/0x1c0
[  133.403455][ T5510]  ? dump_stack+0x12/0x25
[  133.407878][ T5510]  dump_stack+0x1e/0x25
[  133.412121][ T5510]  vpanic+0x7b4/0x1430
[  133.416295][ T5510]  panic+0x15d/0x160
[  133.420303][ T5510]  kmsan_report+0x31a/0x320
[  133.424905][ T5510]  ? kmsan_get_metadata+0xf1/0x160
[  133.430108][ T5510]  ? kmsan_internal_check_memory+0x1e8/0x240
[  133.436205][ T5510]  ? kmsan_copy_to_user+0xef/0x190
[  133.441498][ T5510]  ? irqentry_exit+0x48b/0xa00
[  133.446361][ T5510]  ? exc_page_fault+0x7e/0xb0
[  133.451123][ T5510]  ? asm_exc_page_fault+0x2b/0x30
[  133.456224][ T5510]  ? handle_mm_fault+0x2eb0/0x6ee0
[  133.461457][ T5510]  ? kmsan_get_metadata+0xf1/0x160
[  133.466670][ T5510]  ? kmsan_get_metadata+0xf1/0x160
[  133.471890][ T5510]  ? kmsan_internal_set_shadow_origin+0x7a/0x110
[  133.478348][ T5510]  kmsan_internal_check_memory+0x1e8/0x240
[  133.484278][ T5510]  kmsan_copy_to_user+0xef/0x190
[  133.489330][ T5510]  irqentry_exit+0x48b/0xa00
[  133.494091][ T5510]  exc_page_fault+0x7e/0xb0
[  133.498713][ T5510]  asm_exc_page_fault+0x2b/0x30
[  133.503658][ T5510] RIP: 0033:0x7f8f1c141134
[  133.508142][ T5510] Code: 50 08 93 e8 0a 62 ff ff 48 8b 05 f7 3d 07 00 48 8b 38 e8 df 39 fc ff 09 c3 48 8b 44 24 08 88 18 48 8b 05 df 3d 07 00 48 8b 38 <e8> 37 3b fc ff 48 8b 44 24 20 48 8b 54 24 08 48 89 05 76 42 07 00
[  133.527835][ T5510] RSP: 002b:00007ffdaf298130 EFLAGS: 00010202
[  133.533981][ T5510] RAX: 00007f8f1c0e66a8 RBX: 0000558471191910 RCX: 0000000000000000
[  133.542035][ T5510] RDX: 00007f8f1c14103f RSI: 0000000000000001 RDI: 00007f8f1c0e65c0
[  133.550414][ T5510] RBP: 0000000000000001 R08: 00007ffdaf298130 R09: 0000558471191e60
[  133.558449][ T5510] R10: 00007f8f1c08bfe0 R11: 00007f8f1c08c8e0 R12: 0000558471199ed0
[  133.566485][ T5510] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[  133.574537][ T5510]  </TASK>
[  133.577791][ T5510] Kernel Offset: disabled
[  133.582164][ T5510] Rebooting in 86400 seconds..