forked to background, child pid 3046 no interfaces have a carrier [ 67.683637][ T3047] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.733618][ T3047] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 95.143208][ T125] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.71' (ECDSA) to the list of known hosts. 2022/04/30 00:11:50 parsed 1 programs [ 283.831932][ T3492] ===================================================== [ 283.839021][ T3492] BUG: KMSAN: uninit-value in number+0x851/0x23d0 [ 283.845460][ T3492] number+0x851/0x23d0 [ 283.849560][ T3492] vsnprintf+0x1f0d/0x3650 [ 283.854008][ T3492] snprintf+0x24a/0x290 [ 283.858192][ T3492] tomoyo_init_log+0xd4e/0x3b00 [ 283.863108][ T3492] tomoyo_supervisor+0x8c0/0x27a0 [ 283.868163][ T3492] tomoyo_check_open_permission+0x726/0xe00 [ 283.874097][ T3492] tomoyo_file_open+0x24f/0x2d0 [ 283.878984][ T3492] security_file_open+0xaa/0x1e0 [ 283.883987][ T3492] do_dentry_open+0x4e4/0x1bf0 [ 283.888854][ T3492] vfs_open+0xaf/0xe0 [ 283.892878][ T3492] path_openat+0x503a/0x5be0 [ 283.897505][ T3492] do_filp_open+0x306/0x760 [ 283.902036][ T3492] do_sys_openat2+0x263/0x8f0 [ 283.906744][ T3492] __x64_sys_openat+0x35f/0x3c0 [ 283.911632][ T3492] do_syscall_64+0x51/0xa0 [ 283.916096][ T3492] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 283.922055][ T3492] [ 283.924380][ T3492] Local variable tmp created at: [ 283.929320][ T3492] number+0xad/0x23d0 [ 283.933326][ T3492] vsnprintf+0x1f0d/0x3650 [ 283.937766][ T3492] [ 283.940090][ T3492] CPU: 0 PID: 3492 Comm: syz-execprog Not tainted 5.18.0-rc4-syzkaller #0 [ 283.948622][ T3492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 283.958689][ T3492] ===================================================== [ 283.965621][ T3492] Disabling lock debugging due to kernel taint [ 283.972262][ T3492] Kernel panic - not syncing: kmsan.panic set ... [ 283.978691][ T3492] CPU: 0 PID: 3492 Comm: syz-execprog Tainted: G B 5.18.0-rc4-syzkaller #0 [ 283.988612][ T3492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 283.998669][ T3492] Call Trace: [ 284.001944][ T3492] [ 284.004872][ T3492] dump_stack_lvl+0x1ff/0x28e [ 284.009572][ T3492] dump_stack+0x25/0x28 [ 284.013746][ T3492] panic+0x4fe/0xc73 [ 284.017695][ T3492] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 284.023874][ T3492] ? add_taint+0x181/0x210 [ 284.028327][ T3492] ? console_unlock+0x1c00/0x2130 [ 284.033392][ T3492] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 284.039222][ T3492] kmsan_report+0x2e6/0x2f0 [ 284.043750][ T3492] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 284.049843][ T3492] ? __msan_warning+0x94/0x110 [ 284.054629][ T3492] ? number+0x851/0x23d0 [ 284.058884][ T3492] ? vsnprintf+0x1f0d/0x3650 [ 284.063482][ T3492] ? snprintf+0x24a/0x290 [ 284.067827][ T3492] ? tomoyo_init_log+0xd4e/0x3b00 [ 284.072867][ T3492] ? tomoyo_supervisor+0x8c0/0x27a0 [ 284.078082][ T3492] ? tomoyo_check_open_permission+0x726/0xe00 [ 284.084172][ T3492] ? tomoyo_file_open+0x24f/0x2d0 [ 284.089217][ T3492] ? security_file_open+0xaa/0x1e0 [ 284.094346][ T3492] ? do_dentry_open+0x4e4/0x1bf0 [ 284.099305][ T3492] ? vfs_open+0xaf/0xe0 [ 284.103477][ T3492] ? path_openat+0x503a/0x5be0 [ 284.108252][ T3492] ? do_filp_open+0x306/0x760 [ 284.112939][ T3492] ? do_sys_openat2+0x263/0x8f0 [ 284.117814][ T3492] ? __x64_sys_openat+0x35f/0x3c0 [ 284.122857][ T3492] ? do_syscall_64+0x51/0xa0 [ 284.127463][ T3492] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 284.133549][ T3492] ? preempt_count_sub+0xf8/0x330 [ 284.138667][ T3492] ? number+0xad/0x23d0 [ 284.142835][ T3492] ? filter_irq_stacks+0xb5/0x230 [ 284.147909][ T3492] ? __stack_depot_save+0x21/0x4b0 [ 284.153077][ T3492] ? kmsan_get_metadata+0x33/0x220 [ 284.158198][ T3492] ? kmsan_internal_set_shadow_origin+0x62/0xe0 [ 284.164472][ T3492] __msan_warning+0x94/0x110 [ 284.169082][ T3492] number+0x851/0x23d0 [ 284.173178][ T3492] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 284.178998][ T3492] vsnprintf+0x1f0d/0x3650 [ 284.183444][ T3492] snprintf+0x24a/0x290 [ 284.187627][ T3492] ? from_kgid+0x330/0xbe0 [ 284.192095][ T3492] tomoyo_init_log+0xd4e/0x3b00 [ 284.197007][ T3492] tomoyo_supervisor+0x8c0/0x27a0 [ 284.202065][ T3492] ? tomoyo_check_acl+0x404/0x5d0 [ 284.207101][ T3492] ? tomoyo_fill_path_info+0x115/0x610 [ 284.212585][ T3492] ? tomoyo_check_acl+0x53a/0x5d0 [ 284.217627][ T3492] ? tomoyo_execute_permission+0x5e0/0x5e0 [ 284.223462][ T3492] tomoyo_check_open_permission+0x726/0xe00 [ 284.229402][ T3492] tomoyo_file_open+0x24f/0x2d0 [ 284.234282][ T3492] ? tomoyo_file_fcntl+0x3f0/0x3f0 [ 284.239420][ T3492] security_file_open+0xaa/0x1e0 [ 284.244382][ T3492] do_dentry_open+0x4e4/0x1bf0 [ 284.249176][ T3492] vfs_open+0xaf/0xe0 [ 284.253177][ T3492] path_openat+0x503a/0x5be0 [ 284.257779][ T3492] ? kmem_cache_alloc+0x6b/0x11a0 [ 284.262823][ T3492] ? do_filp_open+0x86/0x760 [ 284.267457][ T3492] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 284.273280][ T3492] do_filp_open+0x306/0x760 [ 284.277817][ T3492] do_sys_openat2+0x263/0x8f0 [ 284.282514][ T3492] ? kmsan_get_metadata+0x33/0x220 [ 284.287634][ T3492] ? kmsan_internal_set_shadow_origin+0x62/0xe0 [ 284.293909][ T3492] __x64_sys_openat+0x35f/0x3c0 [ 284.298790][ T3492] do_syscall_64+0x51/0xa0 [ 284.303221][ T3492] ? exc_page_fault+0x76/0x150 [ 284.308007][ T3492] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 284.313918][ T3492] RIP: 0033:0x49f6ca [ 284.317812][ T3492] Code: e8 3b 6f fc ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 4c 8b 54 24 28 4c 8b 44 24 30 4c 8b 4c 24 38 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 40 ff ff ff ff 48 c7 44 24 48 [ 284.337435][ T3492] RSP: 002b:000000c0004bfb30 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 284.345859][ T3492] RAX: ffffffffffffffda RBX: 000000c00001e000 RCX: 000000000049f6ca [ 284.353833][ T3492] RDX: 0000000000080000 RSI: 000000c00029ed80 RDI: ffffffffffffff9c [ 284.361813][ T3492] RBP: 000000c0004bfbc0 R08: 0000000000000000 R09: 0000000000000000 [ 284.369799][ T3492] R10: 0000000000000000 R11: 0000000000000206 R12: 000000c00029ed80 [ 284.377773][ T3492] R13: 0000000000000001 R14: 000000c0000001a0 R15: ffffffffffffffff [ 284.385760][ T3492] [ 284.388956][ T3492] Kernel Offset: disabled [ 284.393275][ T3492] Rebooting in 86400 seconds..