forked to background, child pid 3047 no interfaces have a carrier [ 72.405202][ T3048] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.429659][ T3048] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.1' (ECDSA) to the list of known hosts. syzkaller login: [ 100.233959][ T124] cfg80211: failed to load regulatory.db 2022/06/13 16:04:54 fuzzer started [ 101.197230][ T3465] ===================================================== [ 101.204560][ T3465] BUG: KMSAN: uninit-value in string+0x3da/0x710 [ 101.211047][ T3465] string+0x3da/0x710 [ 101.215177][ T3465] vsnprintf+0x2036/0x3460 [ 101.219631][ T3465] seq_printf+0x318/0x4f0 [ 101.224128][ T3465] show_cpuinfo+0x2fa/0x1940 [ 101.228751][ T3465] seq_read_iter+0xbb9/0x2170 [ 101.233581][ T3465] proc_reg_read_iter+0x389/0x480 [ 101.238652][ T3465] vfs_read+0x10e2/0x16d0 [ 101.243206][ T3465] ksys_read+0x28f/0x510 [ 101.247511][ T3465] __x64_sys_read+0xdb/0x120 [ 101.252317][ T3465] do_syscall_64+0x3d/0xb0 [ 101.256782][ T3465] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 101.262916][ T3465] [ 101.265251][ T3465] Local variable page created at: [ 101.270267][ T3465] get_futex_key+0xd3/0x2b40 [ 101.275030][ T3465] futex_wait_setup+0x144/0x560 [ 101.279940][ T3465] [ 101.282408][ T3465] CPU: 0 PID: 3465 Comm: syz-fuzzer Not tainted 5.18.0-syzkaller-16253-g2f3064574275 #0 [ 101.292243][ T3465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.302507][ T3465] ===================================================== [ 101.309454][ T3465] Disabling lock debugging due to kernel taint [ 101.315813][ T3465] Kernel panic - not syncing: kmsan.panic set ... [ 101.322258][ T3465] CPU: 0 PID: 3465 Comm: syz-fuzzer Tainted: G B 5.18.0-syzkaller-16253-g2f3064574275 #0 [ 101.333480][ T3465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.343912][ T3465] Call Trace: [ 101.347194][ T3465] [ 101.350121][ T3465] dump_stack_lvl+0x200/0x28c [ 101.354822][ T3465] dump_stack+0x29/0x2c [ 101.358992][ T3465] panic+0x502/0xc7a [ 101.362919][ T3465] ? add_taint+0x185/0x210 [ 101.367352][ T3465] ? console_unlock+0x1bb0/0x20e0 [ 101.372410][ T3465] kmsan_report+0x2cc/0x2d0 [ 101.376947][ T3465] ? is_module_text_address+0x26e/0x300 [ 101.382521][ T3465] ? __msan_warning+0x92/0x110 [ 101.387303][ T3465] ? string+0x3da/0x710 [ 101.391470][ T3465] ? vsnprintf+0x2036/0x3460 [ 101.396069][ T3465] ? seq_printf+0x318/0x4f0 [ 101.400587][ T3465] ? show_cpuinfo+0x2fa/0x1940 [ 101.405362][ T3465] ? seq_read_iter+0xbb9/0x2170 [ 101.410231][ T3465] ? proc_reg_read_iter+0x389/0x480 [ 101.415462][ T3465] ? vfs_read+0x10e2/0x16d0 [ 101.419986][ T3465] ? ksys_read+0x28f/0x510 [ 101.424437][ T3465] ? __x64_sys_read+0xdb/0x120 [ 101.429224][ T3465] ? do_syscall_64+0x3d/0xb0 [ 101.433831][ T3465] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 101.439912][ T3465] ? filter_irq_stacks+0xb9/0x230 [ 101.444967][ T3465] ? kmsan_get_metadata+0x33/0x220 [ 101.450198][ T3465] ? kmsan_get_shadow_origin_ptr+0x9a/0xf0 [ 101.456034][ T3465] ? format_decode+0x65/0x18e0 [ 101.460822][ T3465] ? filter_irq_stacks+0xb9/0x230 [ 101.465908][ T3465] ? __stack_depot_save+0x21/0x4b0 [ 101.471055][ T3465] ? kmsan_get_metadata+0x33/0x220 [ 101.476202][ T3465] ? kmsan_internal_set_shadow_origin+0x62/0xe0 [ 101.482471][ T3465] ? kmsan_get_metadata+0x33/0x220 [ 101.487621][ T3465] ? kmsan_get_shadow_origin_ptr+0x9a/0xf0 [ 101.493459][ T3465] __msan_warning+0x92/0x110 [ 101.498130][ T3465] string+0x3da/0x710 [ 101.502129][ T3465] ? kmsan_get_metadata+0x33/0x220 [ 101.507266][ T3465] vsnprintf+0x2036/0x3460 [ 101.511713][ T3465] seq_printf+0x318/0x4f0 [ 101.516143][ T3465] show_cpuinfo+0x2fa/0x1940 [ 101.520753][ T3465] ? c_next+0x240/0x240 [ 101.524921][ T3465] seq_read_iter+0xbb9/0x2170 [ 101.529634][ T3465] ? kmsan_get_shadow_origin_ptr+0x9a/0xf0 [ 101.535477][ T3465] ? seq_read+0x7c0/0x7c0 [ 101.539825][ T3465] proc_reg_read_iter+0x389/0x480 [ 101.544875][ T3465] ? proc_reg_write+0x560/0x560 [ 101.549758][ T3465] vfs_read+0x10e2/0x16d0 [ 101.554156][ T3465] ksys_read+0x28f/0x510 [ 101.558427][ T3465] __x64_sys_read+0xdb/0x120 [ 101.563054][ T3465] do_syscall_64+0x3d/0xb0 [ 101.567496][ T3465] ? asm_exc_page_fault+0x8/0x30 [ 101.572452][ T3465] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 101.578367][ T3465] RIP: 0033:0x49dfbb [ 101.582266][ T3465] Code: e8 aa 4b fc ff eb 88 cc cc cc cc cc cc cc cc e8 bb 8f fc ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30 [ 101.601888][ T3465] RSP: 002b:000000c00023d3b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 101.610311][ T3465] RAX: ffffffffffffffda RBX: 000000c000020800 RCX: 000000000049dfbb [ 101.618301][ T3465] RDX: 0000000000001000 RSI: 000000c00034e000 RDI: 0000000000000006 [ 101.626276][ T3465] RBP: 000000c00023d408 R08: 0000000000000001 R09: 000000c00004ec00 [ 101.634252][ T3465] R10: 0000000000001000 R11: 0000000000000212 R12: 000000c00034e000 [ 101.642234][ T3465] R13: 0000000000000000 R14: 000000c0000001a0 R15: 0000000000000040 [ 101.650229][ T3465] [ 101.653445][ T3465] Kernel Offset: disabled [ 101.657804][ T3465] Rebooting in 86400 seconds..