last executing test programs:

kernel console output (not intermixed with test programs):

[  170.613796][ T5554] =====================================================
[  170.621040][ T5554] BUG: KMSAN: kernel-infoleak in irqentry_exit+0x48b/0xa00
[  170.628382][ T5554]  irqentry_exit+0x48b/0xa00
[  170.633117][ T5554]  exc_page_fault+0x7e/0xb0
[  170.637791][ T5554]  asm_exc_page_fault+0x2b/0x30
[  170.642755][ T5554] 
[  170.645130][ T5554] Local variable end_time.i.i created at:
[  170.650921][ T5554]  __x64_sys_poll+0x87/0x540
[  170.655621][ T5554]  x64_sys_call+0x3130/0x3ea0
[  170.660430][ T5554] 
[  170.662804][ T5554] Bytes 0-3 of 4 are uninitialized
[  170.667982][ T5554] Memory access of size 4 starts at ffff88810952fe88
[  170.674721][ T5554] Data copied to user address 00007f363fe47140
[  170.680935][ T5554] 
[  170.683379][ T5554] CPU: 0 UID: 0 PID: 5554 Comm: sshd-session Not tainted syzkaller #0 PREEMPT(lazy) 
[  170.693025][ T5554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  170.703177][ T5554] =====================================================
[  170.710215][ T5554] Disabling lock debugging due to kernel taint
[  170.716445][ T5554] Kernel panic - not syncing: kmsan.panic set ...
[  170.722949][ T5554] CPU: 0 UID: 0 PID: 5554 Comm: sshd-session Tainted: G    B               syzkaller #0 PREEMPT(lazy) 
[  170.734106][ T5554] Tainted: [B]=BAD_PAGE
[  170.738323][ T5554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  170.748471][ T5554] Call Trace:
[  170.751817][ T5554]  <TASK>
[  170.754814][ T5554]  __dump_stack+0x26/0x30
[  170.759264][ T5554]  dump_stack_lvl+0x50/0x1c0
[  170.763979][ T5554]  ? dump_stack+0x12/0x25
[  170.768457][ T5554]  dump_stack+0x1e/0x25
[  170.772720][ T5554]  vpanic+0x7b4/0x1430
[  170.776941][ T5554]  panic+0x15d/0x160
[  170.780996][ T5554]  kmsan_report+0x31a/0x320
[  170.785636][ T5554]  ? kmsan_get_metadata+0xf1/0x160
[  170.790877][ T5554]  ? kmsan_internal_check_memory+0x1e8/0x240
[  170.796980][ T5554]  ? kmsan_copy_to_user+0xef/0x190
[  170.802222][ T5554]  ? irqentry_exit+0x48b/0xa00
[  170.807129][ T5554]  ? exc_page_fault+0x7e/0xb0
[  170.811950][ T5554]  ? asm_exc_page_fault+0x2b/0x30
[  170.817094][ T5554]  ? handle_mm_fault+0x2eb0/0x6ee0
[  170.822377][ T5554]  ? kmsan_get_metadata+0xf1/0x160
[  170.827645][ T5554]  ? kmsan_get_metadata+0xf1/0x160
[  170.832949][ T5554]  ? kmsan_internal_set_shadow_origin+0x7a/0x110
[  170.839440][ T5554]  kmsan_internal_check_memory+0x1e8/0x240
[  170.845420][ T5554]  kmsan_copy_to_user+0xef/0x190
[  170.850597][ T5554]  irqentry_exit+0x48b/0xa00
[  170.855360][ T5554]  exc_page_fault+0x7e/0xb0
[  170.860006][ T5554]  asm_exc_page_fault+0x2b/0x30
[  170.864975][ T5554] RIP: 0033:0x7f363fa09995
[  170.869486][ T5554] Code: 0f b1 0f 75 f3 48 89 0a b8 01 00 00 00 c3 0f 1f 80 00 00 00 00 48 8b 07 48 89 06 b8 01 00 00 00 c3 0f 1f 40 00 b8 01 00 00 00 <48> 89 37 c3 0f 1f 80 00 00 00 00 8b 07 89 06 b8 01 00 00 00 c3 66
[  170.889230][ T5554] RSP: 002b:00007ffd2b5dd818 EFLAGS: 00010206
[  170.895412][ T5554] RAX: 0000000000000001 RBX: 000055a10c13fa70 RCX: 0000000000000001
[  170.903488][ T5554] RDX: 000055a10c0ecaf0 RSI: c38e17697d51a0da RDI: 00007f363fe286c0
[  170.911608][ T5554] RBP: 0000000000000000 R08: 00007f363f7f1ac0 R09: 0000000000000070
[  170.919669][ T5554] R10: 0000000000000004 R11: 000000000000005b R12: 0000000000000000
[  170.927725][ T5554] R13: 000055a10c0eca90 R14: 000055a10c0ecb30 R15: 0000000000003680
[  170.935813][ T5554]  </TASK>
[  170.939179][ T5554] Kernel Offset: disabled
[  170.943609][ T5554] Rebooting in 86400 seconds..