Warning: Permanently added '10.128.0.223' (ED25519) to the list of known hosts. 2026/04/27 02:48:50 parsed 1 programs [ 263.185642][ T6034] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 264.093148][ T13] ===================================================== [ 264.100364][ T13] BUG: KMSAN: uninit-value in irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 264.109317][ T13] irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 264.116015][ T13] irqentry_exit+0x7b/0x760 [ 264.120676][ T13] sysvec_apic_timer_interrupt+0x52/0x90 [ 264.126475][ T13] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 264.132632][ T13] virt_to_page_or_null+0x0/0x170 [ 264.137842][ T13] kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 264.143664][ T13] __msan_metadata_ptr_for_load_4+0x24/0x40 [ 264.149730][ T13] ip_fast_csum+0x1e6/0x3f0 [ 264.154390][ T13] nsim_dev_trap_report_work+0x8c0/0x1430 [ 264.160313][ T13] process_scheduled_works+0xb65/0x1e40 [ 264.166016][ T13] worker_thread+0xee4/0x1590 [ 264.170851][ T13] kthread+0x53f/0x600 [ 264.175095][ T13] ret_from_fork+0x20f/0x8d0 [ 264.179833][ T13] ret_from_fork_asm+0x1a/0x30 [ 264.184756][ T13] [ 264.187140][ T13] Uninit was created at: [ 264.191590][ T13] __kmalloc_node_track_caller_noprof+0x4f6/0x1750 [ 264.198252][ T13] __alloc_skb+0x90d/0x1190 [ 264.202898][ T13] nsim_dev_trap_report_work+0x3f2/0x1430 [ 264.208787][ T13] process_scheduled_works+0xb65/0x1e40 [ 264.214494][ T13] worker_thread+0xee4/0x1590 [ 264.219334][ T13] kthread+0x53f/0x600 [ 264.223572][ T13] ret_from_fork+0x20f/0x8d0 [ 264.228405][ T13] ret_from_fork_asm+0x1a/0x30 [ 264.233334][ T13] [ 264.235761][ T13] CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 PREEMPT(full) [ 264.245273][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 264.255463][ T13] Workqueue: events_unbound nsim_dev_trap_report_work [ 264.262446][ T13] ===================================================== [ 264.269477][ T13] Disabling lock debugging due to kernel taint [ 264.275743][ T13] Kernel panic - not syncing: kmsan.panic set ... [ 264.282279][ T13] CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Tainted: G B syzkaller #0 PREEMPT(full) [ 264.293301][ T13] Tainted: [B]=BAD_PAGE [ 264.297533][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 264.307735][ T13] Workqueue: events_unbound nsim_dev_trap_report_work [ 264.314717][ T13] Call Trace: [ 264.318096][ T13] [ 264.321135][ T13] __dump_stack+0x26/0x30 [ 264.325635][ T13] dump_stack_lvl+0x50/0x1c0 [ 264.330388][ T13] ? dump_stack+0x12/0x25 [ 264.334877][ T13] dump_stack+0x1e/0x25 [ 264.339180][ T13] vpanic+0x7b4/0x1430 [ 264.343442][ T13] panic+0x15d/0x160 [ 264.347563][ T13] kmsan_report+0x31a/0x320 [ 264.352253][ T13] ? __msan_warning+0x1b/0x30 [ 264.357087][ T13] ? irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 264.363859][ T13] ? irqentry_exit+0x7b/0x760 [ 264.368681][ T13] ? sysvec_apic_timer_interrupt+0x52/0x90 [ 264.374645][ T13] ? asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 264.380978][ T13] ? __pfx_virt_to_page_or_null+0x10/0x10 [ 264.386885][ T13] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 264.392878][ T13] ? __msan_metadata_ptr_for_load_4+0x24/0x40 [ 264.399122][ T13] ? ip_fast_csum+0x1e6/0x3f0 [ 264.403945][ T13] ? nsim_dev_trap_report_work+0x8c0/0x1430 [ 264.410009][ T13] ? process_scheduled_works+0xb65/0x1e40 [ 264.415983][ T13] ? worker_thread+0xee4/0x1590 [ 264.420994][ T13] ? kthread+0x53f/0x600 [ 264.425410][ T13] ? ret_from_fork+0x20f/0x8d0 [ 264.430328][ T13] ? ret_from_fork_asm+0x1a/0x30 [ 264.435452][ T13] ? chacha_permute+0x1057/0x1200 [ 264.440658][ T13] ? kmsan_get_metadata+0xf1/0x160 [ 264.445959][ T13] ? kmsan_internal_set_shadow_origin+0x7a/0x110 [ 264.452465][ T13] ? kmsan_get_metadata+0xf1/0x160 [ 264.457793][ T13] __msan_warning+0x1b/0x30 [ 264.462463][ T13] irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 264.469154][ T13] irqentry_exit+0x7b/0x760 [ 264.473804][ T13] ? kmsan_internal_set_shadow_origin+0x7a/0x110 [ 264.480323][ T13] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 264.486585][ T13] sysvec_apic_timer_interrupt+0x52/0x90 [ 264.492396][ T13] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 264.498559][ T13] RIP: 0010:virt_to_page_or_null+0x0/0x170 [ 264.504569][ T13] Code: 83 3d 5f 72 21 10 00 0f 84 c0 fe ff ff 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <48> 89 f8 48 2d 00 00 00 80 73 29 48 89 fa 48 2b 15 9b 16 92 0f 48 [ 264.524328][ T13] RSP: 0018:ffff8881007239b8 EFLAGS: 00000293 [ 264.530550][ T13] RAX: 0000000001ffff14 RBX: ffff8880435ec01c RCX: 000000000014e59c [ 264.538656][ T13] RDX: 00000000435ec01c RSI: 0000000000000001 RDI: ffff8880435ec01c [ 264.546758][ T13] RBP: ffff8881007239d8 R08: ffffea000000000f R09: 0000000000000003 [ 264.554861][ T13] R10: 000000000000002e R11: 0000000000000000 R12: 0000000000000000 [ 264.562945][ T13] R13: 00000000060e0159 R14: 0000000000000001 R15: 0000000000000001 [ 264.571156][ T13] ? kmsan_get_metadata+0xf1/0x160 [ 264.576475][ T13] kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 264.582316][ T13] __msan_metadata_ptr_for_load_4+0x24/0x40 [ 264.588406][ T13] ip_fast_csum+0x1e6/0x3f0 [ 264.593100][ T13] nsim_dev_trap_report_work+0x8c0/0x1430 [ 264.599053][ T13] ? __pfx_nsim_dev_trap_report_work+0x10/0x10 [ 264.605389][ T13] process_scheduled_works+0xb65/0x1e40 [ 264.611181][ T13] worker_thread+0xee4/0x1590 [ 264.616068][ T13] kthread+0x53f/0x600 [ 264.620320][ T13] ? __pfx_worker_thread+0x10/0x10 [ 264.625616][ T13] ? __pfx_kthread+0x10/0x10 [ 264.630387][ T13] ret_from_fork+0x20f/0x8d0 [ 264.635136][ T13] ? __switch_to+0x573/0x7a0 [ 264.639911][ T13] ? __pfx_kthread+0x10/0x10 [ 264.644686][ T13] ret_from_fork_asm+0x1a/0x30 [ 264.649656][ T13] [ 264.653243][ T13] Kernel Offset: disabled [ 264.657621][ T13] Rebooting in 86400 seconds..