Warning: Permanently added '10.128.1.19' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 111.171884][ T8804] ===================================================== [ 111.178843][ T8804] BUG: KMSAN: uninit-value in ___bpf_prog_run+0x9194/0x97a0 [ 111.186116][ T8804] CPU: 1 PID: 8804 Comm: syz-executor151 Not tainted 5.7.0-rc4-syzkaller #0 [ 111.194775][ T8804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 111.204804][ T8804] Call Trace: [ 111.208094][ T8804] dump_stack+0x1c9/0x220 [ 111.212464][ T8804] kmsan_report+0xf7/0x1e0 [ 111.216974][ T8804] __msan_warning+0x58/0xa0 [ 111.221458][ T8804] ___bpf_prog_run+0x9194/0x97a0 [ 111.226388][ T8804] ? kmsan_internal_set_origin+0x75/0xb0 [ 111.232012][ T8804] __bpf_prog_run32+0x101/0x170 [ 111.236846][ T8804] ? kmsan_get_metadata+0x4f/0x180 [ 111.241934][ T8804] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 111.247714][ T8804] ? ___bpf_prog_run+0x97a0/0x97a0 [ 111.252801][ T8804] __seccomp_filter+0x59e/0x26f0 [ 111.257722][ T8804] ? kmsan_get_metadata+0x11d/0x180 [ 111.262895][ T8804] ? kmsan_get_metadata+0x4f/0x180 [ 111.267980][ T8804] ? kmsan_get_metadata+0x4f/0x180 [ 111.273071][ T8804] __secure_computing+0x1fa/0x380 [ 111.278074][ T8804] syscall_trace_enter+0x6eb/0xf60 [ 111.283257][ T8804] do_syscall_64+0x57/0x160 [ 111.287748][ T8804] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 111.293626][ T8804] RIP: 0033:0x43ee48 [ 111.297507][ T8804] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 111.317089][ T8804] RSP: 002b:00007ffce3c3a868 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 111.325475][ T8804] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ee48 [ 111.333423][ T8804] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 111.341371][ T8804] RBP: 00000000004be648 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 111.349323][ T8804] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 111.357279][ T8804] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 [ 111.365249][ T8804] [ 111.367549][ T8804] Uninit was stored to memory at: [ 111.372566][ T8804] kmsan_internal_chain_origin+0xad/0x130 [ 111.378257][ T8804] __msan_chain_origin+0x50/0x90 [ 111.383172][ T8804] ___bpf_prog_run+0x6c64/0x97a0 [ 111.388081][ T8804] __bpf_prog_run32+0x101/0x170 [ 111.392904][ T8804] __seccomp_filter+0x59e/0x26f0 [ 111.397823][ T8804] __secure_computing+0x1fa/0x380 [ 111.402820][ T8804] syscall_trace_enter+0x6eb/0xf60 [ 111.407903][ T8804] do_syscall_64+0x57/0x160 [ 111.412383][ T8804] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 111.418244][ T8804] [ 111.420552][ T8804] Local variable ----regs@__bpf_prog_run32 created at: [ 111.427391][ T8804] __bpf_prog_run32+0x87/0x170 [ 111.432226][ T8804] __bpf_prog_run32+0x87/0x170 [ 111.436973][ T8804] ===================================================== [ 111.443874][ T8804] Disabling lock debugging due to kernel taint [ 111.449997][ T8804] Kernel panic - not syncing: panic_on_warn set ... [ 111.456649][ T8804] CPU: 1 PID: 8804 Comm: syz-executor151 Tainted: G B 5.7.0-rc4-syzkaller #0 [ 111.466678][ T8804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 111.476805][ T8804] Call Trace: [ 111.480084][ T8804] dump_stack+0x1c9/0x220 [ 111.484405][ T8804] panic+0x3d5/0xc3e [ 111.488380][ T8804] kmsan_report+0x1df/0x1e0 [ 111.492872][ T8804] __msan_warning+0x58/0xa0 [ 111.497380][ T8804] ___bpf_prog_run+0x9194/0x97a0 [ 111.502300][ T8804] ? kmsan_internal_set_origin+0x75/0xb0 [ 111.507911][ T8804] __bpf_prog_run32+0x101/0x170 [ 111.512739][ T8804] ? kmsan_get_metadata+0x4f/0x180 [ 111.517824][ T8804] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 111.523601][ T8804] ? ___bpf_prog_run+0x97a0/0x97a0 [ 111.528699][ T8804] __seccomp_filter+0x59e/0x26f0 [ 111.533630][ T8804] ? kmsan_get_metadata+0x11d/0x180 [ 111.538803][ T8804] ? kmsan_get_metadata+0x4f/0x180 [ 111.543900][ T8804] ? kmsan_get_metadata+0x4f/0x180 [ 111.549074][ T8804] __secure_computing+0x1fa/0x380 [ 111.554077][ T8804] syscall_trace_enter+0x6eb/0xf60 [ 111.559171][ T8804] do_syscall_64+0x57/0x160 [ 111.563654][ T8804] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 111.569521][ T8804] RIP: 0033:0x43ee48 [ 111.573392][ T8804] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 111.592970][ T8804] RSP: 002b:00007ffce3c3a868 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 111.601543][ T8804] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ee48 [ 111.609497][ T8804] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 111.617714][ T8804] RBP: 00000000004be648 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 111.625662][ T8804] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 111.633609][ T8804] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 [ 111.642224][ T8804] ------------[ cut here ]------------ [ 111.647670][ T8804] kernel BUG at mm/kmsan/kmsan.h:87! [ 111.652947][ T8804] invalid opcode: 0000 [#1] SMP [ 111.657769][ T8804] CPU: 1 PID: 8804 Comm: syz-executor151 Tainted: G B 5.7.0-rc4-syzkaller #0 [ 111.667800][ T8804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 111.677847][ T8804] RIP: 0010:kmsan_internal_check_memory+0x3c0/0x3d0 [ 111.684406][ T8804] Code: 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b 48 c7 c7 31 3a 09 ad 31 c0 e8 61 81 47 ff 0f 0b 0f 0b 0f 0b 0f 0b e8 82 9f 47 ff 0f 0b <0f> 0b 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 83 ff [ 111.703994][ T8804] RSP: 0018:ffffa573c0de3648 EFLAGS: 00010046 [ 111.710032][ T8804] RAX: 0000000000000002 RBX: 00000000069700b6 RCX: 00000000069700b6 [ 111.717977][ T8804] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffa573c0de3724 [ 111.725931][ T8804] RBP: ffffa573c0de36f0 R08: 0000000000000000 R09: ffff8fc56fd28ed0 [ 111.733875][ T8804] R10: 0000000000000000 R11: ffffffffa3d59a10 R12: 0000000000000000 [ 111.741877][ T8804] R13: 0000000000000001 R14: 0000000000000002 R15: 0000000000000001 [ 111.749846][ T8804] FS: 0000000001ae4880(0000) GS:ffff8fc56fd00000(0000) knlGS:0000000000000000 [ 111.758766][ T8804] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.765325][ T8804] CR2: 0000000020000040 CR3: 00000001106c8000 CR4: 00000000001406e0 [ 111.773274][ T8804] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 111.781220][ T8804] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 111.789164][ T8804] Call Trace: [ 111.792449][ T8804] kmsan_check_memory+0xd/0x10 [ 111.797199][ T8804] iowrite8+0x99/0x2e0 [ 111.801253][ T8804] pvpanic_panic_notify+0x99/0xc0 [ 111.806250][ T8804] ? pvpanic_mmio_remove+0x60/0x60 [ 111.811345][ T8804] atomic_notifier_call_chain+0x12a/0x240 [ 111.817146][ T8804] panic+0x468/0xc3e [ 111.821046][ T8804] kmsan_report+0x1df/0x1e0 [ 111.825542][ T8804] __msan_warning+0x58/0xa0 [ 111.830026][ T8804] ___bpf_prog_run+0x9194/0x97a0 [ 111.834946][ T8804] ? kmsan_internal_set_origin+0x75/0xb0 [ 111.840568][ T8804] __bpf_prog_run32+0x101/0x170 [ 111.845406][ T8804] ? kmsan_get_metadata+0x4f/0x180 [ 111.850500][ T8804] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 111.856281][ T8804] ? ___bpf_prog_run+0x97a0/0x97a0 [ 111.861368][ T8804] __seccomp_filter+0x59e/0x26f0 [ 111.866286][ T8804] ? kmsan_get_metadata+0x11d/0x180 [ 111.871468][ T8804] ? kmsan_get_metadata+0x4f/0x180 [ 111.876551][ T8804] ? kmsan_get_metadata+0x4f/0x180 [ 111.881639][ T8804] __secure_computing+0x1fa/0x380 [ 111.886652][ T8804] syscall_trace_enter+0x6eb/0xf60 [ 111.891745][ T8804] do_syscall_64+0x57/0x160 [ 111.896227][ T8804] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 111.902091][ T8804] RIP: 0033:0x43ee48 [ 111.905972][ T8804] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 111.925554][ T8804] RSP: 002b:00007ffce3c3a868 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 111.933943][ T8804] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ee48 [ 111.941888][ T8804] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 111.949842][ T8804] RBP: 00000000004be648 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 111.957791][ T8804] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 111.965739][ T8804] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 [ 111.973689][ T8804] Modules linked in: [ 111.977584][ T8804] ---[ end trace d8c777e5726f082d ]--- [ 111.983427][ T8804] RIP: 0010:kmsan_internal_check_memory+0x3c0/0x3d0 [ 111.990004][ T8804] Code: 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b 48 c7 c7 31 3a 09 ad 31 c0 e8 61 81 47 ff 0f 0b 0f 0b 0f 0b 0f 0b e8 82 9f 47 ff 0f 0b <0f> 0b 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 83 ff [ 112.009637][ T8804] RSP: 0018:ffffa573c0de3648 EFLAGS: 00010046 [ 112.015701][ T8804] RAX: 0000000000000002 RBX: 00000000069700b6 RCX: 00000000069700b6 [ 112.023649][ T8804] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffa573c0de3724 [ 112.031598][ T8804] RBP: ffffa573c0de36f0 R08: 0000000000000000 R09: ffff8fc56fd28ed0 [ 112.039555][ T8804] R10: 0000000000000000 R11: ffffffffa3d59a10 R12: 0000000000000000 [ 112.047499][ T8804] R13: 0000000000000001 R14: 0000000000000002 R15: 0000000000000001 [ 112.055448][ T8804] FS: 0000000001ae4880(0000) GS:ffff8fc56fd00000(0000) knlGS:0000000000000000 [ 112.064347][ T8804] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.070904][ T8804] CR2: 0000000020000040 CR3: 00000001106c8000 CR4: 00000000001406e0 [ 112.078849][ T8804] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 112.086804][ T8804] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 112.094749][ T8804] Kernel panic - not syncing: Fatal exception [ 112.101459][ T8804] Kernel Offset: 0x1da00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 112.113065][ T8804] Rebooting in 86400 seconds..