Warning: Permanently added '10.128.0.223' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 141.804226][ T8436] ===================================================== [ 141.811228][ T8436] BUG: KMSAN: uninit-value in ___bpf_prog_run+0x708e/0x97a0 [ 141.818504][ T8436] CPU: 0 PID: 8436 Comm: syz-executor340 Not tainted 5.8.0-rc5-syzkaller #0 [ 141.827193][ T8436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.837228][ T8436] Call Trace: [ 141.840534][ T8436] dump_stack+0x1df/0x240 [ 141.844851][ T8436] kmsan_report+0xf7/0x1e0 [ 141.849256][ T8436] __msan_warning+0x58/0xa0 [ 141.853747][ T8436] ___bpf_prog_run+0x708e/0x97a0 [ 141.858677][ T8436] ? kfree+0xb8f/0x30f0 [ 141.862820][ T8436] ? kmsan_internal_set_origin+0x75/0xb0 [ 141.868462][ T8436] __bpf_prog_run32+0x101/0x170 [ 141.873317][ T8436] ? kmsan_get_metadata+0x4f/0x180 [ 141.878410][ T8436] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 141.884198][ T8436] ? ___bpf_prog_run+0x97a0/0x97a0 [ 141.889293][ T8436] __seccomp_filter+0x59e/0x2720 [ 141.894228][ T8436] ? kmsan_get_metadata+0x11d/0x180 [ 141.899408][ T8436] ? kmsan_get_metadata+0x4f/0x180 [ 141.904503][ T8436] ? kmsan_get_metadata+0x4f/0x180 [ 141.910035][ T8436] __secure_computing+0x1fa/0x380 [ 141.915060][ T8436] syscall_trace_enter+0x63b/0xe10 [ 141.920178][ T8436] do_syscall_64+0x54/0x150 [ 141.924675][ T8436] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 141.930571][ T8436] RIP: 0033:0x43eec8 [ 141.934441][ T8436] Code: Bad RIP value. [ 141.938486][ T8436] RSP: 002b:00007ffcf472a4b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 141.946877][ T8436] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043eec8 [ 141.954829][ T8436] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 141.962779][ T8436] RBP: 00000000004be6c8 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 141.970733][ T8436] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 141.978715][ T8436] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 [ 141.986678][ T8436] [ 141.988998][ T8436] Uninit was stored to memory at: [ 141.994002][ T8436] kmsan_internal_chain_origin+0xad/0x130 [ 141.999697][ T8436] __msan_chain_origin+0x50/0x90 [ 142.004617][ T8436] ___bpf_prog_run+0x6c64/0x97a0 [ 142.009554][ T8436] __bpf_prog_run32+0x101/0x170 [ 142.014391][ T8436] __seccomp_filter+0x59e/0x2720 [ 142.019319][ T8436] __secure_computing+0x1fa/0x380 [ 142.024332][ T8436] syscall_trace_enter+0x63b/0xe10 [ 142.029455][ T8436] do_syscall_64+0x54/0x150 [ 142.033939][ T8436] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 142.039802][ T8436] [ 142.042108][ T8436] Local variable ----regs@__bpf_prog_run32 created at: [ 142.048937][ T8436] __bpf_prog_run32+0x87/0x170 [ 142.053679][ T8436] __bpf_prog_run32+0x87/0x170 [ 142.058415][ T8436] ===================================================== [ 142.065319][ T8436] Disabling lock debugging due to kernel taint [ 142.071454][ T8436] Kernel panic - not syncing: panic_on_warn set ... [ 142.078034][ T8436] CPU: 0 PID: 8436 Comm: syz-executor340 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 142.088075][ T8436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.098115][ T8436] Call Trace: [ 142.101400][ T8436] dump_stack+0x1df/0x240 [ 142.105722][ T8436] panic+0x3d5/0xc3e [ 142.109650][ T8436] kmsan_report+0x1df/0x1e0 [ 142.114141][ T8436] __msan_warning+0x58/0xa0 [ 142.118663][ T8436] ___bpf_prog_run+0x708e/0x97a0 [ 142.123587][ T8436] ? kfree+0xb8f/0x30f0 [ 142.127748][ T8436] ? kmsan_internal_set_origin+0x75/0xb0 [ 142.133399][ T8436] __bpf_prog_run32+0x101/0x170 [ 142.138261][ T8436] ? kmsan_get_metadata+0x4f/0x180 [ 142.143364][ T8436] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 142.149152][ T8436] ? ___bpf_prog_run+0x97a0/0x97a0 [ 142.154246][ T8436] __seccomp_filter+0x59e/0x2720 [ 142.159185][ T8436] ? kmsan_get_metadata+0x11d/0x180 [ 142.164367][ T8436] ? kmsan_get_metadata+0x4f/0x180 [ 142.169475][ T8436] ? kmsan_get_metadata+0x4f/0x180 [ 142.174580][ T8436] __secure_computing+0x1fa/0x380 [ 142.179597][ T8436] syscall_trace_enter+0x63b/0xe10 [ 142.184731][ T8436] do_syscall_64+0x54/0x150 [ 142.189221][ T8436] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 142.195091][ T8436] RIP: 0033:0x43eec8 [ 142.198971][ T8436] Code: Bad RIP value. [ 142.203017][ T8436] RSP: 002b:00007ffcf472a4b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 142.211414][ T8436] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043eec8 [ 142.219366][ T8436] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 142.227316][ T8436] RBP: 00000000004be6c8 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 142.235273][ T8436] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 142.243232][ T8436] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 [ 142.252221][ T8436] Kernel Offset: 0xce00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 142.263747][ T8436] Rebooting in 86400 seconds..