Warning: Permanently added '10.128.1.83' (ED25519) to the list of known hosts. 2026/04/17 13:57:03 ignoring optional flag "type"="gce" 2026/04/17 13:57:04 parsed 1 programs [ 235.184858][ T1093] ===================================================== [ 235.192213][ T1093] BUG: KMSAN: uninit-value in irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 235.201229][ T1093] irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 235.207908][ T1093] irqentry_exit+0x7b/0x760 [ 235.212649][ T1093] sysvec_apic_timer_interrupt+0x52/0x90 [ 235.218586][ T1093] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 235.224770][ T1093] __msan_metadata_ptr_for_load_4+0x5/0x40 [ 235.230795][ T1093] nsim_dev_trap_report_work+0x8c0/0x1430 [ 235.236734][ T1093] process_scheduled_works+0xb65/0x1e40 [ 235.242500][ T1093] worker_thread+0xee4/0x1590 [ 235.247412][ T1093] kthread+0x53f/0x600 [ 235.251721][ T1093] ret_from_fork+0x20f/0x8d0 [ 235.256600][ T1093] ret_from_fork_asm+0x1a/0x30 [ 235.261592][ T1093] [ 235.264025][ T1093] Uninit was created at: [ 235.268533][ T1093] __kmalloc_node_track_caller_noprof+0x4f6/0x1750 [ 235.275243][ T1093] __alloc_skb+0x90d/0x1190 [ 235.279983][ T1093] nsim_dev_trap_report_work+0x3f2/0x1430 [ 235.285916][ T1093] process_scheduled_works+0xb65/0x1e40 [ 235.291680][ T1093] worker_thread+0xee4/0x1590 [ 235.296558][ T1093] kthread+0x53f/0x600 [ 235.300841][ T1093] ret_from_fork+0x20f/0x8d0 [ 235.305706][ T1093] ret_from_fork_asm+0x1a/0x30 [ 235.310683][ T1093] [ 235.313151][ T1093] CPU: 0 UID: 0 PID: 1093 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT(full) [ 235.322800][ T1093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 235.333113][ T1093] Workqueue: events_unbound nsim_dev_trap_report_work [ 235.340139][ T1093] ===================================================== [ 235.347189][ T1093] Disabling lock debugging due to kernel taint [ 235.353476][ T1093] Kernel panic - not syncing: kmsan.panic set ... [ 235.360067][ T1093] CPU: 0 UID: 0 PID: 1093 Comm: kworker/u8:9 Tainted: G B syzkaller #0 PREEMPT(full) [ 235.371321][ T1093] Tainted: [B]=BAD_PAGE [ 235.375590][ T1093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 235.385824][ T1093] Workqueue: events_unbound nsim_dev_trap_report_work [ 235.392859][ T1093] Call Trace: [ 235.396268][ T1093] [ 235.399319][ T1093] __dump_stack+0x26/0x30 [ 235.403878][ T1093] dump_stack_lvl+0x50/0x1c0 [ 235.408703][ T1093] ? dump_stack+0x12/0x25 [ 235.413273][ T1093] dump_stack+0x1e/0x25 [ 235.417729][ T1093] vpanic+0x7b4/0x1430 [ 235.422044][ T1093] panic+0x15d/0x160 [ 235.426243][ T1093] kmsan_report+0x31a/0x320 [ 235.430982][ T1093] ? __msan_warning+0x1b/0x30 [ 235.435977][ T1093] ? irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 235.442826][ T1093] ? irqentry_exit+0x7b/0x760 [ 235.447712][ T1093] ? sysvec_apic_timer_interrupt+0x52/0x90 [ 235.453737][ T1093] ? asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 235.460112][ T1093] ? __msan_metadata_ptr_for_load_4+0x5/0x40 [ 235.466483][ T1093] ? nsim_dev_trap_report_work+0x8c0/0x1430 [ 235.472594][ T1093] ? process_scheduled_works+0xb65/0x1e40 [ 235.478539][ T1093] ? worker_thread+0xee4/0x1590 [ 235.483708][ T1093] ? kthread+0x53f/0x600 [ 235.488220][ T1093] ? ret_from_fork+0x20f/0x8d0 [ 235.493202][ T1093] ? ret_from_fork_asm+0x1a/0x30 [ 235.498420][ T1093] ? kmsan_get_metadata+0xf1/0x160 [ 235.503796][ T1093] ? kmsan_internal_set_shadow_origin+0x7a/0x110 [ 235.510449][ T1093] ? kmsan_get_metadata+0xf1/0x160 [ 235.515807][ T1093] ? kmsan_get_metadata+0xf1/0x160 [ 235.521138][ T1093] ? kmsan_get_metadata+0xf1/0x160 [ 235.526476][ T1093] __msan_warning+0x1b/0x30 [ 235.531189][ T1093] irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 235.537834][ T1093] irqentry_exit+0x7b/0x760 [ 235.542548][ T1093] ? kmsan_internal_set_shadow_origin+0x7a/0x110 [ 235.549122][ T1093] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 235.555427][ T1093] sysvec_apic_timer_interrupt+0x52/0x90 [ 235.561295][ T1093] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 235.567596][ T1093] RIP: 0010:__msan_metadata_ptr_for_load_4+0x5/0x40 [ 235.574446][ T1093] Code: ff 75 f0 9d 48 83 c4 10 5b 5d e9 56 42 60 0e 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 [ 235.594354][ T1093] RSP: 0018:ffff88810bb2ba20 EFLAGS: 00000293 [ 235.600628][ T1093] RAX: ffffffff86d36698 RBX: ffff888013bab018 RCX: ffff888109620000 [ 235.608778][ T1093] RDX: 0000000000000000 RSI: 0000000031d8e945 RDI: ffff888013bab018 [ 235.616990][ T1093] RBP: ffff88810bb2baa8 R08: ffffea000000000f R09: 0000000000000003 [ 235.625157][ T1093] R10: 000000000000002e R11: 0000000000000000 R12: 0000000000000000 [ 235.633273][ T1093] R13: 00000000002c0140 R14: 0000000000c00000 R15: 0000000000000001 [ 235.641410][ T1093] ? ip_fast_csum+0x298/0x3f0 [ 235.646361][ T1093] ? ip_fast_csum+0x1e6/0x3f0 [ 235.651303][ T1093] nsim_dev_trap_report_work+0x8c0/0x1430 [ 235.657306][ T1093] ? __pfx_nsim_dev_trap_report_work+0x10/0x10 [ 235.663696][ T1093] process_scheduled_works+0xb65/0x1e40 [ 235.669543][ T1093] worker_thread+0xee4/0x1590 [ 235.674492][ T1093] kthread+0x53f/0x600 [ 235.678810][ T1093] ? __pfx_worker_thread+0x10/0x10 [ 235.684162][ T1093] ? __pfx_kthread+0x10/0x10 [ 235.688975][ T1093] ret_from_fork+0x20f/0x8d0 [ 235.693774][ T1093] ? __switch_to+0x573/0x7a0 [ 235.698526][ T1093] ? __pfx_kthread+0x10/0x10 [ 235.703340][ T1093] ret_from_fork_asm+0x1a/0x30 [ 235.708345][ T1093] [ 235.712099][ T1093] Kernel Offset: disabled [ 235.716496][ T1093] Rebooting in 86400 seconds..