Warning: Permanently added '10.128.1.189' (ED25519) to the list of known hosts. 2026/04/25 18:38:37 ignoring optional flag "type"="gce" 2026/04/25 18:38:38 parsed 1 programs [ 192.228450][ T12] ===================================================== [ 192.235806][ T12] BUG: KMSAN: uninit-value in irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 192.244745][ T12] irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 192.251339][ T12] irqentry_exit+0x7b/0x760 [ 192.256078][ T12] sysvec_apic_timer_interrupt+0x52/0x90 [ 192.261852][ T12] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 192.267980][ T12] virt_to_page_or_null+0x99/0x170 [ 192.273285][ T12] kmsan_get_metadata+0xf1/0x160 [ 192.278485][ T12] kmsan_get_shadow_origin_ptr+0x35/0xb0 [ 192.284303][ T12] __msan_metadata_ptr_for_load_4+0x24/0x40 [ 192.290356][ T12] ip_fast_csum+0x1e6/0x3f0 [ 192.295006][ T12] nsim_dev_trap_report_work+0x8c0/0x1430 [ 192.300902][ T12] process_scheduled_works+0xb65/0x1e40 [ 192.306717][ T12] worker_thread+0xee4/0x1590 [ 192.311562][ T12] kthread+0x53f/0x600 [ 192.315793][ T12] ret_from_fork+0x20f/0x8d0 [ 192.320533][ T12] ret_from_fork_asm+0x1a/0x30 [ 192.325460][ T12] [ 192.327850][ T12] Uninit was created at: [ 192.332325][ T12] __kmalloc_node_track_caller_noprof+0x4f6/0x1750 [ 192.338982][ T12] __alloc_skb+0x90d/0x1190 [ 192.343619][ T12] nsim_dev_trap_report_work+0x3f2/0x1430 [ 192.349547][ T12] process_scheduled_works+0xb65/0x1e40 [ 192.355381][ T12] worker_thread+0xee4/0x1590 [ 192.360309][ T12] kthread+0x53f/0x600 [ 192.364550][ T12] ret_from_fork+0x20f/0x8d0 [ 192.369307][ T12] ret_from_fork_asm+0x1a/0x30 [ 192.374229][ T12] [ 192.376709][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 PREEMPT(full) [ 192.386125][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 192.396391][ T12] Workqueue: events_unbound nsim_dev_trap_report_work [ 192.403446][ T12] ===================================================== [ 192.410536][ T12] Disabling lock debugging due to kernel taint [ 192.416776][ T12] Kernel panic - not syncing: kmsan.panic set ... [ 192.423387][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Tainted: G B syzkaller #0 PREEMPT(full) [ 192.434409][ T12] Tainted: [B]=BAD_PAGE [ 192.438643][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 192.449171][ T12] Workqueue: events_unbound nsim_dev_trap_report_work [ 192.456156][ T12] Call Trace: [ 192.459523][ T12] [ 192.462531][ T12] __dump_stack+0x26/0x30 [ 192.467132][ T12] dump_stack_lvl+0x50/0x1c0 [ 192.472028][ T12] ? dump_stack+0x12/0x25 [ 192.476619][ T12] dump_stack+0x1e/0x25 [ 192.480938][ T12] vpanic+0x7b4/0x1430 [ 192.485203][ T12] panic+0x15d/0x160 [ 192.489411][ T12] kmsan_report+0x31a/0x320 [ 192.494105][ T12] ? __msan_warning+0x1b/0x30 [ 192.498964][ T12] ? irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 192.505743][ T12] ? irqentry_exit+0x7b/0x760 [ 192.510574][ T12] ? sysvec_apic_timer_interrupt+0x52/0x90 [ 192.516545][ T12] ? asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 192.522939][ T12] ? virt_to_page_or_null+0x99/0x170 [ 192.528495][ T12] ? kmsan_get_metadata+0xf1/0x160 [ 192.533791][ T12] ? kmsan_get_shadow_origin_ptr+0x35/0xb0 [ 192.539790][ T12] ? __msan_metadata_ptr_for_load_4+0x24/0x40 [ 192.546120][ T12] ? ip_fast_csum+0x1e6/0x3f0 [ 192.550939][ T12] ? nsim_dev_trap_report_work+0x8c0/0x1430 [ 192.557002][ T12] ? process_scheduled_works+0xb65/0x1e40 [ 192.562900][ T12] ? worker_thread+0xee4/0x1590 [ 192.567936][ T12] ? kthread+0x53f/0x600 [ 192.572361][ T12] ? ret_from_fork+0x20f/0x8d0 [ 192.577295][ T12] ? ret_from_fork_asm+0x1a/0x30 [ 192.582392][ T12] ? chacha_permute+0x1057/0x1200 [ 192.587589][ T12] ? kmsan_get_metadata+0xf1/0x160 [ 192.592888][ T12] ? kmsan_internal_set_shadow_origin+0x7a/0x110 [ 192.599391][ T12] ? kmsan_get_metadata+0xf1/0x160 [ 192.604726][ T12] __msan_warning+0x1b/0x30 [ 192.609417][ T12] irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 192.616004][ T12] irqentry_exit+0x7b/0x760 [ 192.620794][ T12] ? kmsan_internal_set_shadow_origin+0x7a/0x110 [ 192.627315][ T12] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 192.633570][ T12] sysvec_apic_timer_interrupt+0x52/0x90 [ 192.639349][ T12] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 192.645494][ T12] RIP: 0010:virt_to_page_or_null+0x99/0x170 [ 192.651583][ T12] Code: 48 c1 e9 23 41 b8 00 08 00 00 eb 09 cc cc cc 41 b8 00 00 02 00 44 39 c1 73 21 4c 8b 05 40 cb c3 12 4d 85 c0 74 15 49 8b 0c c8 <48> 85 c9 74 0c 40 0f b6 f6 c1 e6 04 48 01 f1 eb 02 31 c9 65 ff 05 [ 192.671346][ T12] RSP: 0018:ffff88810070f9b0 EFLAGS: 00000286 [ 192.677546][ T12] RAX: ffff88818e8ab018 RBX: ffff88810e8ab018 RCX: ffff88813fffa7c0 [ 192.685653][ T12] RDX: 000000010e8ab018 RSI: 0000000000000021 RDI: ffff88810e8ab018 [ 192.693747][ T12] RBP: ffff88810070f9b0 R08: ffff88823fff37c0 R09: 0000000000000003 [ 192.701850][ T12] R10: 000000000000002e R11: 0000000000000000 R12: 0000000000000000 [ 192.709932][ T12] R13: 000000000086013c R14: 0000000000000000 R15: 0000000000000001 [ 192.718159][ T12] kmsan_get_metadata+0xf1/0x160 [ 192.723400][ T12] kmsan_get_shadow_origin_ptr+0x35/0xb0 [ 192.729679][ T12] __msan_metadata_ptr_for_load_4+0x24/0x40 [ 192.735755][ T12] ip_fast_csum+0x1e6/0x3f0 [ 192.740695][ T12] nsim_dev_trap_report_work+0x8c0/0x1430 [ 192.746651][ T12] ? __pfx_nsim_dev_trap_report_work+0x10/0x10 [ 192.752996][ T12] process_scheduled_works+0xb65/0x1e40 [ 192.758783][ T12] worker_thread+0xee4/0x1590 [ 192.763654][ T12] kthread+0x53f/0x600 [ 192.767889][ T12] ? __pfx_worker_thread+0x10/0x10 [ 192.773178][ T12] ? __pfx_kthread+0x10/0x10 [ 192.777948][ T12] ret_from_fork+0x20f/0x8d0 [ 192.782699][ T12] ? __switch_to+0x573/0x7a0 [ 192.787543][ T12] ? __pfx_kthread+0x10/0x10 [ 192.792385][ T12] ret_from_fork_asm+0x1a/0x30 [ 192.797338][ T12] [ 192.800917][ T12] Kernel Offset: disabled [ 192.805311][ T12] Rebooting in 86400 seconds..