Warning: Permanently added '10.128.1.191' (ED25519) to the list of known hosts. 2026/04/30 13:10:33 parsed 1 programs [ 258.921882][ T35] ===================================================== [ 258.929234][ T35] BUG: KMSAN: uninit-value in irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 258.938190][ T35] irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 258.944888][ T35] irqentry_exit+0x7b/0x760 [ 258.949567][ T35] sysvec_apic_timer_interrupt+0x52/0x90 [ 258.955383][ T35] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 258.961633][ T35] ip_fast_csum+0x24b/0x3f0 [ 258.966520][ T35] nsim_dev_trap_report_work+0x8c0/0x1430 [ 258.972444][ T35] process_scheduled_works+0xb65/0x1e40 [ 258.978162][ T35] worker_thread+0xee4/0x1590 [ 258.983010][ T35] kthread+0x53f/0x600 [ 258.987290][ T35] ret_from_fork+0x20f/0x8d0 [ 258.992049][ T35] ret_from_fork_asm+0x1a/0x30 [ 258.997071][ T35] [ 258.999463][ T35] Uninit was created at: [ 259.003903][ T35] __kmalloc_node_track_caller_noprof+0x4f6/0x1750 [ 259.010733][ T35] __alloc_skb+0x90d/0x1190 [ 259.015387][ T35] nsim_dev_trap_report_work+0x3f2/0x1430 [ 259.021278][ T35] process_scheduled_works+0xb65/0x1e40 [ 259.027087][ T35] worker_thread+0xee4/0x1590 [ 259.031940][ T35] kthread+0x53f/0x600 [ 259.036192][ T35] ret_from_fork+0x20f/0x8d0 [ 259.040935][ T35] ret_from_fork_asm+0x1a/0x30 [ 259.045877][ T35] [ 259.048315][ T35] CPU: 0 UID: 0 PID: 35 Comm: kworker/u8:2 Not tainted syzkaller #0 PREEMPT(full) [ 259.057831][ T35] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 259.068197][ T35] Workqueue: events_unbound nsim_dev_trap_report_work [ 259.075273][ T35] ===================================================== [ 259.082291][ T35] Disabling lock debugging due to kernel taint [ 259.088539][ T35] Kernel panic - not syncing: kmsan.panic set ... [ 259.095473][ T35] CPU: 0 UID: 0 PID: 35 Comm: kworker/u8:2 Tainted: G B syzkaller #0 PREEMPT(full) [ 259.106553][ T35] Tainted: [B]=BAD_PAGE [ 259.110803][ T35] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 259.121015][ T35] Workqueue: events_unbound nsim_dev_trap_report_work [ 259.128021][ T35] Call Trace: [ 259.131398][ T35] [ 259.134586][ T35] __dump_stack+0x26/0x30 [ 259.139088][ T35] dump_stack_lvl+0x50/0x1c0 [ 259.143832][ T35] ? dump_stack+0x12/0x25 [ 259.148329][ T35] dump_stack+0x1e/0x25 [ 259.152758][ T35] vpanic+0x7b4/0x1430 [ 259.157039][ T35] panic+0x15d/0x160 [ 259.161157][ T35] kmsan_report+0x31a/0x320 [ 259.165905][ T35] ? __msan_warning+0x1b/0x30 [ 259.170774][ T35] ? irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 259.177558][ T35] ? irqentry_exit+0x7b/0x760 [ 259.182406][ T35] ? sysvec_apic_timer_interrupt+0x52/0x90 [ 259.188387][ T35] ? asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 259.194716][ T35] ? ip_fast_csum+0x24b/0x3f0 [ 259.199598][ T35] ? nsim_dev_trap_report_work+0x8c0/0x1430 [ 259.205690][ T35] ? process_scheduled_works+0xb65/0x1e40 [ 259.211607][ T35] ? worker_thread+0xee4/0x1590 [ 259.216714][ T35] ? kthread+0x53f/0x600 [ 259.221154][ T35] ? ret_from_fork+0x20f/0x8d0 [ 259.226089][ T35] ? ret_from_fork_asm+0x1a/0x30 [ 259.231256][ T35] ? kmsan_get_metadata+0xf1/0x160 [ 259.236567][ T35] ? kmsan_internal_set_shadow_origin+0x7a/0x110 [ 259.243177][ T35] ? kmsan_get_metadata+0xf1/0x160 [ 259.248504][ T35] ? kmsan_get_metadata+0xf1/0x160 [ 259.253804][ T35] ? kmsan_get_metadata+0xf1/0x160 [ 259.259132][ T35] __msan_warning+0x1b/0x30 [ 259.263825][ T35] irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 259.270484][ T35] irqentry_exit+0x7b/0x760 [ 259.275159][ T35] ? kmsan_internal_set_shadow_origin+0x7a/0x110 [ 259.281686][ T35] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 259.288075][ T35] sysvec_apic_timer_interrupt+0x52/0x90 [ 259.293904][ T35] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 259.300344][ T35] RIP: 0010:ip_fast_csum+0x24b/0x3f0 [ 259.305917][ T35] Code: 01 f5 0f 92 c0 89 45 c0 48 8b 45 98 44 89 20 89 90 88 0c 00 00 44 89 78 08 89 98 90 0c 00 00 44 89 f7 44 89 ee e8 25 fc 29 fb <44> 89 e0 f7 d0 44 21 f0 45 09 e6 44 89 f9 f7 d1 44 21 e9 44 89 6d [ 259.325806][ T35] RSP: 0018:ffff888102937a30 EFLAGS: 00000293 [ 259.332026][ T35] RAX: ffffffff86d6b00b RBX: 0000000004960159 RCX: 0000000000000000 [ 259.340729][ T35] RDX: ffff888102938000 RSI: 00000000665eea47 RDI: 0000000033c60102 [ 259.348843][ T35] RBP: ffff888102937aa8 R08: ffffea000000000f R09: 0000000000000003 [ 259.357040][ T35] R10: 000000000000002e R11: 0000000000000000 R12: 0000000000000000 [ 259.365133][ T35] R13: 00000000665eea47 R14: 0000000033c60102 R15: 00000000ffffff01 [ 259.373426][ T35] ? ip_fast_csum+0x24b/0x3f0 [ 259.378326][ T35] nsim_dev_trap_report_work+0x8c0/0x1430 [ 259.384308][ T35] ? __pfx_nsim_dev_trap_report_work+0x10/0x10 [ 259.390766][ T35] process_scheduled_works+0xb65/0x1e40 [ 259.396937][ T35] worker_thread+0xee4/0x1590 [ 259.402730][ T35] kthread+0x53f/0x600 [ 259.407002][ T35] ? __pfx_worker_thread+0x10/0x10 [ 259.412500][ T35] ? __pfx_kthread+0x10/0x10 [ 259.417477][ T35] ret_from_fork+0x20f/0x8d0 [ 259.422332][ T35] ? __switch_to+0x573/0x7a0 [ 259.428153][ T35] ? __pfx_kthread+0x10/0x10 [ 259.433040][ T35] ret_from_fork_asm+0x1a/0x30 [ 259.438031][ T35] [ 259.441643][ T35] Kernel Offset: disabled [ 259.446110][ T35] Rebooting in 86400 seconds..