Warning: Permanently added '10.128.0.226' (ED25519) to the list of known hosts. [ 254.098867][ T71] ===================================================== [ 254.106350][ T71] BUG: KMSAN: uninit-value in irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 254.115392][ T71] irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 254.121982][ T71] irqentry_exit+0x7b/0x760 [ 254.126633][ T71] sysvec_apic_timer_interrupt+0x52/0x90 [ 254.132421][ T71] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 254.138557][ T71] virt_to_page_or_null+0x0/0x170 [ 254.143768][ T71] kmsan_get_shadow_origin_ptr+0x35/0xb0 [ 254.149588][ T71] __msan_metadata_ptr_for_load_4+0x24/0x40 [ 254.155718][ T71] ip_fast_csum+0x1e6/0x3f0 [ 254.160412][ T71] nsim_dev_trap_report_work+0x8c0/0x1430 [ 254.166302][ T71] process_scheduled_works+0xb65/0x1e40 [ 254.172101][ T71] worker_thread+0xee4/0x1590 [ 254.176951][ T71] kthread+0x53f/0x600 [ 254.181198][ T71] ret_from_fork+0x20f/0x8d0 [ 254.185930][ T71] ret_from_fork_asm+0x1a/0x30 [ 254.190874][ T71] [ 254.193258][ T71] Uninit was created at: [ 254.197704][ T71] __kmalloc_node_track_caller_noprof+0x4f6/0x1750 [ 254.204442][ T71] __alloc_skb+0x90d/0x1190 [ 254.209092][ T71] nsim_dev_trap_report_work+0x3f2/0x1430 [ 254.214981][ T71] process_scheduled_works+0xb65/0x1e40 [ 254.220741][ T71] worker_thread+0xee4/0x1590 [ 254.225583][ T71] kthread+0x53f/0x600 [ 254.229826][ T71] ret_from_fork+0x20f/0x8d0 [ 254.234566][ T71] ret_from_fork_asm+0x1a/0x30 [ 254.239492][ T71] [ 254.241933][ T71] CPU: 0 UID: 0 PID: 71 Comm: kworker/u8:5 Not tainted syzkaller #0 PREEMPT(full) [ 254.251368][ T71] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 254.261585][ T71] Workqueue: events_unbound nsim_dev_trap_report_work [ 254.268559][ T71] ===================================================== [ 254.275574][ T71] Disabling lock debugging due to kernel taint [ 254.281823][ T71] Kernel panic - not syncing: kmsan.panic set ... [ 254.288444][ T71] CPU: 0 UID: 0 PID: 71 Comm: kworker/u8:5 Tainted: G B syzkaller #0 PREEMPT(full) [ 254.299483][ T71] Tainted: [B]=BAD_PAGE [ 254.303730][ T71] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 254.313915][ T71] Workqueue: events_unbound nsim_dev_trap_report_work [ 254.320905][ T71] Call Trace: [ 254.324276][ T71] [ 254.327310][ T71] __dump_stack+0x26/0x30 [ 254.331810][ T71] dump_stack_lvl+0x50/0x1c0 [ 254.336571][ T71] ? dump_stack+0x12/0x25 [ 254.341088][ T71] dump_stack+0x1e/0x25 [ 254.345418][ T71] vpanic+0x7b4/0x1430 [ 254.349720][ T71] panic+0x15d/0x160 [ 254.353930][ T71] kmsan_report+0x31a/0x320 [ 254.358808][ T71] ? __msan_warning+0x1b/0x30 [ 254.363688][ T71] ? irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 254.370458][ T71] ? irqentry_exit+0x7b/0x760 [ 254.375300][ T71] ? sysvec_apic_timer_interrupt+0x52/0x90 [ 254.381790][ T71] ? asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 254.388112][ T71] ? __pfx_virt_to_page_or_null+0x10/0x10 [ 254.394038][ T71] ? kmsan_get_shadow_origin_ptr+0x35/0xb0 [ 254.400047][ T71] ? __msan_metadata_ptr_for_load_4+0x24/0x40 [ 254.406396][ T71] ? ip_fast_csum+0x1e6/0x3f0 [ 254.411231][ T71] ? nsim_dev_trap_report_work+0x8c0/0x1430 [ 254.417302][ T71] ? process_scheduled_works+0xb65/0x1e40 [ 254.423198][ T71] ? worker_thread+0xee4/0x1590 [ 254.428222][ T71] ? kthread+0x53f/0x600 [ 254.432833][ T71] ? ret_from_fork+0x20f/0x8d0 [ 254.437757][ T71] ? ret_from_fork_asm+0x1a/0x30 [ 254.442881][ T71] ? chacha_permute+0x1057/0x1200 [ 254.448091][ T71] ? kmsan_get_metadata+0xf1/0x160 [ 254.453397][ T71] ? kmsan_internal_set_shadow_origin+0x7a/0x110 [ 254.459916][ T71] ? kmsan_get_metadata+0xf1/0x160 [ 254.465316][ T71] __msan_warning+0x1b/0x30 [ 254.470086][ T71] irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 254.476687][ T71] irqentry_exit+0x7b/0x760 [ 254.481346][ T71] ? kmsan_internal_set_shadow_origin+0x7a/0x110 [ 254.487861][ T71] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 254.494122][ T71] sysvec_apic_timer_interrupt+0x52/0x90 [ 254.499928][ T71] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 254.506186][ T71] RIP: 0010:virt_to_page_or_null+0x0/0x170 [ 254.512197][ T71] 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 06 92 0f 48 [ 254.532049][ T71] RSP: 0018:ffff888104fcb9b8 EFLAGS: 00000293 [ 254.538264][ T71] RAX: 0000000001ffff14 RBX: ffff888050f18018 RCX: ffff888104fd0000 [ 254.546449][ T71] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888050f18018 [ 254.554544][ T71] RBP: ffff888104fcb9d8 R08: ffffea000000000f R09: 0000000000000003 [ 254.562648][ T71] R10: 000000000000002e R11: 0000000000000000 R12: 0000000000000000 [ 254.570732][ T71] R13: 0000000007000154 R14: 0000000000000000 R15: 0000000000000001 [ 254.578866][ T71] ? kmsan_get_metadata+0xf1/0x160 [ 254.584184][ T71] kmsan_get_shadow_origin_ptr+0x35/0xb0 [ 254.590034][ T71] __msan_metadata_ptr_for_load_4+0x24/0x40 [ 254.596130][ T71] ip_fast_csum+0x1e6/0x3f0 [ 254.600818][ T71] nsim_dev_trap_report_work+0x8c0/0x1430 [ 254.606789][ T71] ? __pfx_nsim_dev_trap_report_work+0x10/0x10 [ 254.613144][ T71] process_scheduled_works+0xb65/0x1e40 [ 254.618945][ T71] worker_thread+0xee4/0x1590 [ 254.623853][ T71] kthread+0x53f/0x600 [ 254.628119][ T71] ? __pfx_worker_thread+0x10/0x10 [ 254.633422][ T71] ? __pfx_kthread+0x10/0x10 [ 254.638200][ T71] ret_from_fork+0x20f/0x8d0 [ 254.642961][ T71] ? __switch_to+0x573/0x7a0 [ 254.647744][ T71] ? __pfx_kthread+0x10/0x10 [ 254.652529][ T71] ret_from_fork_asm+0x1a/0x30 [ 254.657506][ T71] [ 254.661092][ T71] Kernel Offset: disabled [ 254.665467][ T71] Rebooting in 86400 seconds..