DUID 00:04:e9:be:e8:b5:9b:e0:58:4e:ea:a7:74:e8:eb:69:61:22 forked to background, child pid 3047 [ 70.851085][ T3048] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.875015][ T3048] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.221' (ECDSA) to the list of known hosts. syzkaller login: [ 100.229517][ T27] cfg80211: failed to load regulatory.db 2022/04/25 18:07:48 fuzzer started [ 101.120440][ T3467] ===================================================== [ 101.127464][ T3467] BUG: KMSAN: uninit-value in string+0x3cf/0x6f0 [ 101.133860][ T3467] string+0x3cf/0x6f0 [ 101.137906][ T3467] vsnprintf+0x2222/0x3650 [ 101.142330][ T3467] seq_printf+0x314/0x4f0 [ 101.146666][ T3467] show_cpuinfo+0x305/0x1860 [ 101.151284][ T3467] seq_read_iter+0xaac/0x2150 [ 101.155968][ T3467] proc_reg_read_iter+0x385/0x480 [ 101.161001][ T3467] vfs_read+0xec1/0x17b0 [ 101.165263][ T3467] ksys_read+0x28b/0x510 [ 101.169521][ T3467] __x64_sys_read+0xdb/0x120 [ 101.174130][ T3467] do_syscall_64+0x51/0xa0 [ 101.178567][ T3467] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 101.184496][ T3467] [ 101.186819][ T3467] Local variable page created at: [ 101.191832][ T3467] get_futex_key+0xc5/0x2b90 [ 101.196456][ T3467] futex_wait_setup+0x140/0x560 [ 101.201325][ T3467] [ 101.203649][ T3467] CPU: 0 PID: 3467 Comm: syz-fuzzer Not tainted 5.18.0-rc3-syzkaller #0 [ 101.211986][ T3467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.222045][ T3467] ===================================================== [ 101.228962][ T3467] Disabling lock debugging due to kernel taint [ 101.235421][ T3467] Kernel panic - not syncing: kmsan.panic set ... [ 101.241850][ T3467] CPU: 0 PID: 3467 Comm: syz-fuzzer Tainted: G B 5.18.0-rc3-syzkaller #0 [ 101.251621][ T3467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.261696][ T3467] Call Trace: [ 101.264977][ T3467] [ 101.267906][ T3467] dump_stack_lvl+0x1ff/0x28e [ 101.272609][ T3467] dump_stack+0x25/0x28 [ 101.276776][ T3467] panic+0x4fe/0xc73 [ 101.280705][ T3467] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 101.286892][ T3467] ? add_taint+0x181/0x210 [ 101.291322][ T3467] ? console_unlock+0x1ca0/0x2130 [ 101.296373][ T3467] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 101.302194][ T3467] kmsan_report+0x2e6/0x2f0 [ 101.306724][ T3467] ? is_module_text_address+0x275/0x300 [ 101.312303][ T3467] ? __msan_warning+0x94/0x110 [ 101.317087][ T3467] ? string+0x3cf/0x6f0 [ 101.321252][ T3467] ? vsnprintf+0x2222/0x3650 [ 101.325853][ T3467] ? seq_printf+0x314/0x4f0 [ 101.330367][ T3467] ? show_cpuinfo+0x305/0x1860 [ 101.335155][ T3467] ? seq_read_iter+0xaac/0x2150 [ 101.340019][ T3467] ? proc_reg_read_iter+0x385/0x480 [ 101.345236][ T3467] ? vfs_read+0xec1/0x17b0 [ 101.349673][ T3467] ? ksys_read+0x28b/0x510 [ 101.354114][ T3467] ? __x64_sys_read+0xdb/0x120 [ 101.358899][ T3467] ? do_syscall_64+0x51/0xa0 [ 101.363504][ T3467] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 101.369588][ T3467] ? kmsan_get_metadata+0x33/0x220 [ 101.374711][ T3467] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 101.380529][ T3467] ? format_decode+0x61/0x1990 [ 101.385309][ T3467] ? filter_irq_stacks+0xb5/0x230 [ 101.390369][ T3467] ? __stack_depot_save+0x21/0x4b0 [ 101.395517][ T3467] ? kmsan_get_metadata+0x33/0x220 [ 101.400641][ T3467] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 101.406912][ T3467] ? kmsan_get_metadata+0x33/0x220 [ 101.412032][ T3467] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 101.417862][ T3467] __msan_warning+0x94/0x110 [ 101.422497][ T3467] string+0x3cf/0x6f0 [ 101.426513][ T3467] ? kmsan_get_metadata+0x33/0x220 [ 101.431646][ T3467] vsnprintf+0x2222/0x3650 [ 101.436110][ T3467] seq_printf+0x314/0x4f0 [ 101.440484][ T3467] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 101.446599][ T3467] show_cpuinfo+0x305/0x1860 [ 101.451222][ T3467] ? c_next+0x230/0x230 [ 101.455403][ T3467] seq_read_iter+0xaac/0x2150 [ 101.460099][ T3467] ? vfs_read+0x884/0x17b0 [ 101.464547][ T3467] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 101.470365][ T3467] ? seq_read+0x7c0/0x7c0 [ 101.474707][ T3467] proc_reg_read_iter+0x385/0x480 [ 101.479755][ T3467] ? proc_reg_write+0x560/0x560 [ 101.484617][ T3467] vfs_read+0xec1/0x17b0 [ 101.488902][ T3467] ksys_read+0x28b/0x510 [ 101.493175][ T3467] __x64_sys_read+0xdb/0x120 [ 101.497791][ T3467] do_syscall_64+0x51/0xa0 [ 101.502222][ T3467] ? exc_page_fault+0x76/0x150 [ 101.507009][ T3467] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 101.512917][ T3467] RIP: 0033:0x49dfbb [ 101.516810][ T3467] 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 [ 101.536866][ T3467] RSP: 002b:000000c00052d4f8 EFLAGS: 00000216 ORIG_RAX: 0000000000000000 [ 101.545295][ T3467] RAX: ffffffffffffffda RBX: 000000c000020000 RCX: 000000000049dfbb [ 101.553286][ T3467] RDX: 0000000000001000 RSI: 000000c00034c000 RDI: 0000000000000006 [ 101.561271][ T3467] RBP: 000000c00052d548 R08: 0000000000000001 R09: 000000c000050840 [ 101.569275][ T3467] R10: 0000000000001000 R11: 0000000000000216 R12: 000000c00034c000 [ 101.577248][ T3467] R13: 0000000000000000 R14: 000000c0000001a0 R15: 0000000000000040 [ 101.585234][ T3467] [ 101.588485][ T3467] Kernel Offset: disabled [ 101.592812][ T3467] Rebooting in 86400 seconds..