last executing test programs:

kernel console output (not intermixed with test programs):

[  147.387649][ T5562] =====================================================
[  147.394829][ T5562] BUG: KMSAN: kernel-infoleak in irqentry_exit+0x48b/0xa00
[  147.402130][ T5562]  irqentry_exit+0x48b/0xa00
[  147.406815][ T5562]  exc_page_fault+0x7e/0xb0
[  147.411425][ T5562]  asm_exc_page_fault+0x2b/0x30
[  147.416339][ T5562] 
[  147.418701][ T5562] Local variable end_time.i.i created at:
[  147.424441][ T5562]  __x64_sys_poll+0x87/0x540
[  147.429085][ T5562]  x64_sys_call+0x3130/0x3ea0
[  147.434019][ T5562] 
[  147.436358][ T5562] Bytes 0-3 of 4 are uninitialized
[  147.441493][ T5562] Memory access of size 4 starts at ffff888107f67e88
[  147.448196][ T5562] Data copied to user address 00007f8912f3e140
[  147.454388][ T5562] 
[  147.456765][ T5562] CPU: 0 UID: 0 PID: 5562 Comm: sshd-session Not tainted syzkaller #0 PREEMPT(lazy) 
[  147.466370][ T5562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  147.476466][ T5562] =====================================================
[  147.483431][ T5562] Disabling lock debugging due to kernel taint
[  147.489607][ T5562] Kernel panic - not syncing: kmsan.panic set ...
[  147.496065][ T5562] CPU: 0 UID: 0 PID: 5562 Comm: sshd-session Tainted: G    B               syzkaller #0 PREEMPT(lazy) 
[  147.507177][ T5562] Tainted: [B]=BAD_PAGE
[  147.511369][ T5562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  147.521473][ T5562] Call Trace:
[  147.524780][ T5562]  <TASK>
[  147.527744][ T5562]  __dump_stack+0x26/0x30
[  147.532152][ T5562]  dump_stack_lvl+0x50/0x1c0
[  147.536810][ T5562]  ? dump_stack+0x12/0x25
[  147.541208][ T5562]  dump_stack+0x1e/0x25
[  147.545429][ T5562]  vpanic+0x7b4/0x1430
[  147.549590][ T5562]  panic+0x15d/0x160
[  147.553600][ T5562]  kmsan_report+0x31a/0x320
[  147.558197][ T5562]  ? kmsan_get_metadata+0xf1/0x160
[  147.563397][ T5562]  ? kmsan_internal_check_memory+0x1e8/0x240
[  147.569552][ T5562]  ? kmsan_copy_to_user+0xef/0x190
[  147.574751][ T5562]  ? irqentry_exit+0x48b/0xa00
[  147.579612][ T5562]  ? exc_page_fault+0x7e/0xb0
[  147.584386][ T5562]  ? asm_exc_page_fault+0x2b/0x30
[  147.589536][ T5562]  ? handle_mm_fault+0x2eb0/0x6ee0
[  147.594782][ T5562]  ? kmsan_get_metadata+0xf1/0x160
[  147.600031][ T5562]  ? kmsan_get_metadata+0xf1/0x160
[  147.605241][ T5562]  ? kmsan_internal_set_shadow_origin+0x7a/0x110
[  147.611666][ T5562]  kmsan_internal_check_memory+0x1e8/0x240
[  147.617588][ T5562]  kmsan_copy_to_user+0xef/0x190
[  147.622652][ T5562]  irqentry_exit+0x48b/0xa00
[  147.627384][ T5562]  exc_page_fault+0x7e/0xb0
[  147.631989][ T5562]  asm_exc_page_fault+0x2b/0x30
[  147.636923][ T5562] RIP: 0033:0x7f89128b8d34
[  147.641422][ T5562] Code: 8d 34 19 49 39 d0 49 89 70 60 0f 95 c2 48 29 d8 48 83 c1 10 0f b6 d2 48 83 c8 01 48 c1 e2 02 48 09 da 48 83 ca 01 48 89 51 f8 <48> 89 46 08 48 89 cf 4c 89 e6 48 89 4c 24 08 e8 18 c7 ff ff 48 8b
[  147.661105][ T5562] RSP: 002b:00007ffe87f5c6a0 EFLAGS: 00010206
[  147.667240][ T5562] RAX: 000000000000c001 RBX: 0000000000000020 RCX: 000055c632c7fff0
[  147.675269][ T5562] RDX: 0000000000000021 RSI: 000055c632c80000 RDI: 0000000000000000
[  147.683322][ T5562] RBP: fffffffffffffed8 R08: 00007f89129f1ac0 R09: 0000000000000020
[  147.691363][ T5562] R10: 0000000000000004 R11: 000000000000005b R12: 000000000000000d
[  147.699466][ T5562] R13: 0000000000000020 R14: 0000000000000000 R15: 00007f89129f1b20
[  147.707535][ T5562]  </TASK>
[  147.711447][ T5562] Kernel Offset: disabled
[  147.715825][ T5562] Rebooting in 86400 seconds..