Warning: Permanently added '10.128.1.118' (ED25519) to the list of known hosts. 2026/04/17 19:00:30 parsed 1 programs [ 250.045174][ T34] ===================================================== [ 250.052414][ T34] BUG: KMSAN: uninit-value in irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 250.061387][ T34] irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 250.068024][ T34] irqentry_exit+0x7b/0x760 [ 250.073127][ T34] sysvec_apic_timer_interrupt+0x52/0x90 [ 250.078926][ T34] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 250.085069][ T34] __msan_metadata_ptr_for_load_4+0x2c/0x40 [ 250.091135][ T34] ip_fast_csum+0x1e6/0x3f0 [ 250.095801][ T34] nsim_dev_trap_report_work+0x8c0/0x1440 [ 250.101717][ T34] process_scheduled_works+0xb6c/0x1e60 [ 250.107534][ T34] worker_thread+0xee4/0x15a0 [ 250.112373][ T34] kthread+0x53f/0x600 [ 250.116585][ T34] ret_from_fork+0x20f/0x8d0 [ 250.121332][ T34] ret_from_fork_asm+0x1a/0x30 [ 250.126257][ T34] [ 250.128635][ T34] Uninit was created at: [ 250.133088][ T34] __kmalloc_node_track_caller_noprof+0x4f6/0x1740 [ 250.139818][ T34] __alloc_skb+0x90d/0x1190 [ 250.144582][ T34] nsim_dev_trap_report_work+0x3f2/0x1440 [ 250.150504][ T34] process_scheduled_works+0xb6c/0x1e60 [ 250.156228][ T34] worker_thread+0xee4/0x15a0 [ 250.161075][ T34] kthread+0x53f/0x600 [ 250.165276][ T34] ret_from_fork+0x20f/0x8d0 [ 250.170015][ T34] ret_from_fork_asm+0x1a/0x30 [ 250.175126][ T34] [ 250.177555][ T34] CPU: 0 UID: 0 PID: 34 Comm: kworker/u8:2 Not tainted syzkaller #0 PREEMPT(full) [ 250.186988][ T34] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 250.197175][ T34] Workqueue: events_unbound nsim_dev_trap_report_work [ 250.204226][ T34] ===================================================== [ 250.211324][ T34] Disabling lock debugging due to kernel taint [ 250.217567][ T34] Kernel panic - not syncing: kmsan.panic set ... [ 250.224099][ T34] CPU: 0 UID: 0 PID: 34 Comm: kworker/u8:2 Tainted: G B syzkaller #0 PREEMPT(full) [ 250.235125][ T34] Tainted: [B]=BAD_PAGE [ 250.239363][ T34] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 250.249713][ T34] Workqueue: events_unbound nsim_dev_trap_report_work [ 250.256735][ T34] Call Trace: [ 250.260097][ T34] [ 250.263120][ T34] __dump_stack+0x26/0x30 [ 250.267604][ T34] dump_stack_lvl+0x50/0x1c0 [ 250.272350][ T34] ? dump_stack+0x12/0x25 [ 250.276843][ T34] dump_stack+0x1e/0x25 [ 250.281149][ T34] vpanic+0x7b4/0x1430 [ 250.285490][ T34] panic+0x15d/0x160 [ 250.289650][ T34] kmsan_report+0x31a/0x320 [ 250.294329][ T34] ? kmsan_get_metadata+0xf1/0x160 [ 250.299606][ T34] ? __msan_warning+0x1b/0x30 [ 250.304447][ T34] ? irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 250.311406][ T34] ? irqentry_exit+0x7b/0x760 [ 250.316248][ T34] ? sysvec_apic_timer_interrupt+0x52/0x90 [ 250.322231][ T34] ? asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 250.328557][ T34] ? __msan_metadata_ptr_for_load_4+0x2c/0x40 [ 250.334805][ T34] ? ip_fast_csum+0x1e6/0x3f0 [ 250.339661][ T34] ? nsim_dev_trap_report_work+0x8c0/0x1440 [ 250.345756][ T34] ? process_scheduled_works+0xb6c/0x1e60 [ 250.351670][ T34] ? worker_thread+0xee4/0x15a0 [ 250.356700][ T34] ? kthread+0x53f/0x600 [ 250.361104][ T34] ? ret_from_fork+0x20f/0x8d0 [ 250.366022][ T34] ? ret_from_fork_asm+0x1a/0x30 [ 250.371221][ T34] ? chacha_permute+0x1057/0x1200 [ 250.376431][ T34] ? kmsan_get_metadata+0xf1/0x160 [ 250.381731][ T34] ? kmsan_internal_set_shadow_origin+0x7a/0x110 [ 250.388320][ T34] ? kmsan_get_metadata+0xf1/0x160 [ 250.393612][ T34] ? kmsan_get_metadata+0xf1/0x160 [ 250.398923][ T34] __msan_warning+0x1b/0x30 [ 250.403791][ T34] irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 [ 250.410424][ T34] irqentry_exit+0x7b/0x760 [ 250.415190][ T34] ? kmsan_internal_set_shadow_origin+0x7a/0x110 [ 250.421877][ T34] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 250.428221][ T34] sysvec_apic_timer_interrupt+0x52/0x90 [ 250.434023][ T34] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 250.440171][ T34] RIP: 0010:__msan_metadata_ptr_for_load_4+0x2c/0x40 [ 250.447034][ T34] Code: 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 00 00 31 d2 e8 8c 27 00 00 48 89 5d f0 ff 75 f0 9d <48> 83 c4 10 5b 5d c3 cc cc cc cc cc 0f 1f 84 00 00 00 00 00 90 90 [ 250.466978][ T34] RSP: 0018:ffff888101adba08 EFLAGS: 00000282 [ 250.473195][ T34] RAX: ffff88804d3b101c RBX: 0000000000000282 RCX: 0000000000183675 [ 250.481275][ T34] RDX: ffff88804d7b101c RSI: 0000000000000001 RDI: ffff88804dbb101c [ 250.489634][ T34] RBP: ffff888101adba20 R08: ffffea000000000f R09: 0000000000000003 [ 250.497725][ T34] R10: 000000000000002e R11: 0000000000000000 R12: 0000000000000000 [ 250.505888][ T34] R13: 0000000005660156 R14: 0000000033c60102 R15: 0000000000000001 [ 250.514017][ T34] ip_fast_csum+0x1e6/0x3f0 [ 250.518705][ T34] nsim_dev_trap_report_work+0x8c0/0x1440 [ 250.524672][ T34] ? __pfx_nsim_dev_trap_report_work+0x10/0x10 [ 250.531020][ T34] process_scheduled_works+0xb6c/0x1e60 [ 250.536884][ T34] worker_thread+0xee4/0x15a0 [ 250.541791][ T34] kthread+0x53f/0x600 [ 250.546103][ T34] ? __pfx_worker_thread+0x10/0x10 [ 250.551505][ T34] ? __pfx_kthread+0x10/0x10 [ 250.556232][ T34] ret_from_fork+0x20f/0x8d0 [ 250.560982][ T34] ? __switch_to+0x573/0x7a0 [ 250.565683][ T34] ? __pfx_kthread+0x10/0x10 [ 250.570402][ T34] ret_from_fork_asm+0x1a/0x30 [ 250.575353][ T34] [ 250.578859][ T34] Kernel Offset: disabled [ 250.583227][ T34] Rebooting in 86400 seconds..