last executing test programs:

kernel console output (not intermixed with test programs):

Bytes 0-3 of 4 are uninitialized
[  132.534311][ T5545] Memory access of size 4 starts at ffff88812c983e78
[  132.541013][ T5545] Data copied to user address 00007fa843e49ac0
[  132.547190][ T5545] 
[  132.549575][ T5545] CPU: 1 UID: 0 PID: 5545 Comm: rm Not tainted syzkaller #0 PREEMPT(lazy) 
[  132.558248][ T5545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  132.568352][ T5545] =====================================================
[  132.575309][ T5545] Disabling lock debugging due to kernel taint
[  132.581497][ T5545] Kernel panic - not syncing: kmsan.panic set ...
[  132.587968][ T5545] CPU: 1 UID: 0 PID: 5545 Comm: rm Tainted: G    B               syzkaller #0 PREEMPT(lazy) 
[  132.598201][ T5545] Tainted: [B]=BAD_PAGE
[  132.602382][ T5545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  132.612499][ T5545] Call Trace:
[  132.615811][ T5545]  <TASK>
[  132.618773][ T5545]  __dump_stack+0x26/0x30
[  132.623184][ T5545]  dump_stack_lvl+0x50/0x1c0
[  132.627857][ T5545]  ? dump_stack+0x12/0x25
[  132.632255][ T5545]  dump_stack+0x1e/0x25
[  132.636476][ T5545]  vpanic+0x7b8/0x1430
[  132.640643][ T5545]  panic+0x15d/0x160
[  132.644643][ T5545]  kmsan_report+0x31a/0x320
[  132.649214][ T5545]  ? kmsan_internal_check_memory+0x1e4/0x240
[  132.655298][ T5545]  ? kmsan_copy_to_user+0xef/0x190
[  132.660489][ T5545]  ? irqentry_exit+0x4a6/0xa40
[  132.665340][ T5545]  ? exc_page_fault+0x7e/0xb0
[  132.670078][ T5545]  ? asm_exc_page_fault+0x2b/0x30
[  132.675177][ T5545]  ? finish_task_switch+0x645/0xbc0
[  132.680474][ T5545]  ? __schedule+0x298a/0x8660
[  132.685294][ T5545]  ? kmsan_get_shadow_origin_ptr+0x20/0xb0
[  132.691195][ T5545]  ? kmsan_get_metadata+0xf1/0x160
[  132.696399][ T5545]  kmsan_internal_check_memory+0x1e4/0x240
[  132.702322][ T5545]  kmsan_copy_to_user+0xef/0x190
[  132.707326][ T5545]  irqentry_exit+0x4a6/0xa40
[  132.711986][ T5545]  ? kmsan_save_stack_with_flags+0x1/0x60
[  132.717819][ T5545]  exc_page_fault+0x7e/0xb0
[  132.722391][ T5545]  asm_exc_page_fault+0x2b/0x30
[  132.727315][ T5545] RIP: 0033:0x7fa843fa98d2
[  132.731787][ T5545] Code: f4 06 00 00 45 31 db 84 c0 0f 85 a3 05 00 00 48 8b 15 8a aa 13 00 49 29 c9 48 89 0d 58 a2 13 00 4d 01 d9 49 83 c9 01 4c 01 f2 <4c> 89 49 08 48 89 15 6b aa 13 00 4d 85 e4 0f 84 7b fd ff ff 49 83
[  132.751466][ T5545] RSP: 002b:00007ffdfb4e37e0 EFLAGS: 00010206
[  132.758205][ T5545] RAX: ffffffffffffffff RBX: 00007fa8440e3ac0 RCX: 0000562b660ca000
[  132.766228][ T5545] RDX: 0000000000021000 RSI: 00007fa8440e3ac0 RDI: 0000000000000000
[  132.774248][ T5545] RBP: 0000000000000290 R08: 0000562b660eb000 R09: 0000000000021001
[  132.782265][ T5545] R10: 00007fa8440e3ac0 R11: 0000000000000000 R12: 0000000000000000
[  132.790282][ T5545] R13: 00007fa8440e3b20 R14: 0000000000000000 R15: 00000000000002b0
[  132.798321][ T5545]  </TASK>
[  132.801668][ T5545] Kernel Offset: disabled
[  132.806034][ T5545] Rebooting in 86400 seconds..