Warning: Permanently added '10.128.1.186' (ED25519) to the list of known hosts. [ 262.158883][ T134] ===================================================== [ 262.166226][ T134] BUG: KMSAN: uninit-value in irqentry_exit_to_kernel_mode_preempt+0xe3/0x120 [ 262.175248][ T134] irqentry_exit_to_kernel_mode_preempt+0xe3/0x120 [ 262.181912][ T134] irqentry_exit+0x77/0x710 [ 262.186564][ T134] sysvec_apic_timer_interrupt+0x52/0x90 [ 262.192529][ T134] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 262.198667][ T134] __msan_metadata_ptr_for_load_4+0x11/0x40 [ 262.204723][ T134] ip_fast_csum+0x1e6/0x3f0 [ 262.209417][ T134] nsim_dev_trap_report_work+0x8c0/0x1430 [ 262.215287][ T134] process_scheduled_works+0xb65/0x1e40 [ 262.221084][ T134] worker_thread+0xee4/0x1590 [ 262.225912][ T134] kthread+0x53f/0x600 [ 262.230143][ T134] ret_from_fork+0x20f/0x8d0 [ 262.234879][ T134] ret_from_fork_asm+0x1a/0x30 [ 262.239887][ T134] [ 262.242269][ T134] Uninit was created at: [ 262.246716][ T134] __kmalloc_node_track_caller_noprof+0x4f6/0x1750 [ 262.253491][ T134] __alloc_skb+0x90d/0x1190 [ 262.258154][ T134] nsim_dev_trap_report_work+0x3f2/0x1430 [ 262.264027][ T134] process_scheduled_works+0xb65/0x1e40 [ 262.269740][ T134] worker_thread+0xee4/0x1590 [ 262.274566][ T134] kthread+0x53f/0x600 [ 262.278812][ T134] ret_from_fork+0x20f/0x8d0 [ 262.283559][ T134] ret_from_fork_asm+0x1a/0x30 [ 262.288514][ T134] [ 262.290969][ T134] CPU: 0 UID: 0 PID: 134 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT(full) [ 262.300479][ T134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 262.310746][ T134] Workqueue: events_unbound nsim_dev_trap_report_work [ 262.317695][ T134] ===================================================== [ 262.324766][ T134] Disabling lock debugging due to kernel taint [ 262.331009][ T134] Kernel panic - not syncing: kmsan.panic set ... [ 262.337534][ T134] CPU: 0 UID: 0 PID: 134 Comm: kworker/u8:6 Tainted: G B syzkaller #0 PREEMPT(full) [ 262.348637][ T134] Tainted: [B]=BAD_PAGE [ 262.352870][ T134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 262.363043][ T134] Workqueue: events_unbound nsim_dev_trap_report_work [ 262.370057][ T134] Call Trace: [ 262.373439][ T134] [ 262.376451][ T134] __dump_stack+0x26/0x30 [ 262.380946][ T134] dump_stack_lvl+0x50/0x1c0 [ 262.385739][ T134] ? dump_stack+0x12/0x25 [ 262.390242][ T134] dump_stack+0x1e/0x25 [ 262.394557][ T134] vpanic+0x7b4/0x1430 [ 262.398820][ T134] panic+0x15d/0x160 [ 262.402943][ T134] kmsan_report+0x31a/0x320 [ 262.407796][ T134] ? kmsan_get_metadata+0xf1/0x160 [ 262.413072][ T134] ? __msan_warning+0x1b/0x30 [ 262.417936][ T134] ? irqentry_exit_to_kernel_mode_preempt+0xe3/0x120 [ 262.424783][ T134] ? irqentry_exit+0x77/0x710 [ 262.429625][ T134] ? sysvec_apic_timer_interrupt+0x52/0x90 [ 262.435704][ T134] ? asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 262.442026][ T134] ? __msan_metadata_ptr_for_load_4+0x11/0x40 [ 262.448256][ T134] ? ip_fast_csum+0x1e6/0x3f0 [ 262.453112][ T134] ? nsim_dev_trap_report_work+0x8c0/0x1430 [ 262.459162][ T134] ? process_scheduled_works+0xb65/0x1e40 [ 262.465046][ T134] ? worker_thread+0xee4/0x1590 [ 262.470061][ T134] ? kthread+0x53f/0x600 [ 262.474470][ T134] ? ret_from_fork+0x20f/0x8d0 [ 262.479392][ T134] ? ret_from_fork_asm+0x1a/0x30 [ 262.484590][ T134] ? chacha_permute+0x1057/0x1200 [ 262.489837][ T134] ? kmsan_get_metadata+0xf1/0x160 [ 262.495121][ T134] ? kmsan_internal_set_shadow_origin+0x7a/0x110 [ 262.501707][ T134] ? kmsan_get_metadata+0xf1/0x160 [ 262.506998][ T134] ? kmsan_get_metadata+0xf1/0x160 [ 262.512291][ T134] __msan_warning+0x1b/0x30 [ 262.516958][ T134] irqentry_exit_to_kernel_mode_preempt+0xe3/0x120 [ 262.523646][ T134] irqentry_exit+0x77/0x710 [ 262.528332][ T134] ? kmsan_internal_set_shadow_origin+0x7a/0x110 [ 262.534841][ T134] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 262.541086][ T134] sysvec_apic_timer_interrupt+0x52/0x90 [ 262.546910][ T134] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 262.553072][ T134] RIP: 0010:__msan_metadata_ptr_for_load_4+0x11/0x40 [ 262.559932][ T134] Code: cc cc cc cc 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 53 48 83 ec 10 9c 8f 45 e8 <0f> 01 ca 48 8b 5d e8 be 04 00 00 00 31 d2 e8 cc 27 00 00 48 89 5d [ 262.579694][ T134] RSP: 0000:ffff888107c07a08 EFLAGS: 00000282 [ 262.585911][ T134] RAX: ffffffff86d19758 RBX: ffff888020233018 RCX: ffff888104ecc280 [ 262.594009][ T134] RDX: 0000000000000000 RSI: 000000004497b045 RDI: ffff888020233018 [ 262.602102][ T134] RBP: ffff888107c07a20 R08: ffffea000000000f R09: 0000000000000003 [ 262.610203][ T134] R10: 000000000000002e R11: 0000000000000000 R12: 0000000000000000 [ 262.618288][ T134] R13: 0000000005580140 R14: 0000000000c00000 R15: 0000000000000001 [ 262.626391][ T134] ? ip_fast_csum+0x298/0x3f0 [ 262.631277][ T134] ip_fast_csum+0x1e6/0x3f0 [ 262.636002][ T134] nsim_dev_trap_report_work+0x8c0/0x1430 [ 262.641944][ T134] ? __pfx_nsim_dev_trap_report_work+0x10/0x10 [ 262.648280][ T134] process_scheduled_works+0xb65/0x1e40 [ 262.654067][ T134] worker_thread+0xee4/0x1590 [ 262.658949][ T134] kthread+0x53f/0x600 [ 262.663200][ T134] ? __pfx_worker_thread+0x10/0x10 [ 262.668493][ T134] ? __pfx_kthread+0x10/0x10 [ 262.673265][ T134] ret_from_fork+0x20f/0x8d0 [ 262.678013][ T134] ? __switch_to+0x573/0x7a0 [ 262.682741][ T134] ? __pfx_kthread+0x10/0x10 [ 262.687521][ T134] ret_from_fork_asm+0x1a/0x30 [ 262.692497][ T134] [ 262.696218][ T134] Kernel Offset: disabled [ 262.700679][ T134] Rebooting in 86400 seconds..