Warning: Permanently added '10.128.0.22' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 143.024025][ T8491] ===================================================== [ 143.030981][ T8491] BUG: KMSAN: uninit-value in __seccomp_filter+0x10bc/0x2720 [ 143.038332][ T8491] CPU: 1 PID: 8491 Comm: syz-executor935 Not tainted 5.8.0-rc5-syzkaller #0 [ 143.046979][ T8491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.057026][ T8491] Call Trace: [ 143.060303][ T8491] dump_stack+0x1df/0x240 [ 143.064638][ T8491] kmsan_report+0xf7/0x1e0 [ 143.069047][ T8491] __msan_warning+0x58/0xa0 [ 143.073536][ T8491] __seccomp_filter+0x10bc/0x2720 [ 143.078560][ T8491] ? kmsan_get_metadata+0x11d/0x180 [ 143.083744][ T8491] ? kmsan_get_metadata+0x4f/0x180 [ 143.088842][ T8491] ? kmsan_get_metadata+0x4f/0x180 [ 143.093950][ T8491] __secure_computing+0x1fa/0x380 [ 143.098962][ T8491] syscall_trace_enter+0x63b/0xe10 [ 143.104082][ T8491] do_syscall_64+0x54/0x150 [ 143.108569][ T8491] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 143.114439][ T8491] RIP: 0033:0x43eea8 [ 143.118330][ T8491] Code: Bad RIP value. [ 143.122464][ T8491] RSP: 002b:00007ffc31d98e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 143.130874][ T8491] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043eea8 [ 143.138824][ T8491] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 143.146774][ T8491] RBP: 00000000004be6a8 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 143.154737][ T8491] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 143.162690][ T8491] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 [ 143.170658][ T8491] [ 143.172968][ T8491] Uninit was stored to memory at: [ 143.177980][ T8491] kmsan_internal_chain_origin+0xad/0x130 [ 143.183679][ T8491] __msan_chain_origin+0x50/0x90 [ 143.188596][ T8491] ___bpf_prog_run+0x2b37/0x97a0 [ 143.193528][ T8491] __bpf_prog_run32+0x101/0x170 [ 143.198358][ T8491] __seccomp_filter+0x59e/0x2720 [ 143.203277][ T8491] __secure_computing+0x1fa/0x380 [ 143.208285][ T8491] syscall_trace_enter+0x63b/0xe10 [ 143.213379][ T8491] do_syscall_64+0x54/0x150 [ 143.217863][ T8491] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 143.223729][ T8491] [ 143.226034][ T8491] Uninit was stored to memory at: [ 143.231039][ T8491] kmsan_internal_chain_origin+0xad/0x130 [ 143.236736][ T8491] __msan_chain_origin+0x50/0x90 [ 143.241673][ T8491] ___bpf_prog_run+0x6c64/0x97a0 [ 143.246600][ T8491] __bpf_prog_run32+0x101/0x170 [ 143.251434][ T8491] __seccomp_filter+0x59e/0x2720 [ 143.256352][ T8491] __secure_computing+0x1fa/0x380 [ 143.261354][ T8491] syscall_trace_enter+0x63b/0xe10 [ 143.266447][ T8491] do_syscall_64+0x54/0x150 [ 143.270947][ T8491] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 143.276814][ T8491] [ 143.279124][ T8491] Local variable ----regs@__bpf_prog_run32 created at: [ 143.285966][ T8491] __bpf_prog_run32+0x87/0x170 [ 143.290710][ T8491] __bpf_prog_run32+0x87/0x170 [ 143.295461][ T8491] ===================================================== [ 143.302366][ T8491] Disabling lock debugging due to kernel taint [ 143.308497][ T8491] Kernel panic - not syncing: panic_on_warn set ... [ 143.315071][ T8491] CPU: 1 PID: 8491 Comm: syz-executor935 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 143.325106][ T8491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.335159][ T8491] Call Trace: [ 143.338453][ T8491] dump_stack+0x1df/0x240 [ 143.342778][ T8491] panic+0x3d5/0xc3e [ 143.346695][ T8491] kmsan_report+0x1df/0x1e0 [ 143.351188][ T8491] __msan_warning+0x58/0xa0 [ 143.355693][ T8491] __seccomp_filter+0x10bc/0x2720 [ 143.360719][ T8491] ? kmsan_get_metadata+0x11d/0x180 [ 143.365901][ T8491] ? kmsan_get_metadata+0x4f/0x180 [ 143.370999][ T8491] ? kmsan_get_metadata+0x4f/0x180 [ 143.376118][ T8491] __secure_computing+0x1fa/0x380 [ 143.381136][ T8491] syscall_trace_enter+0x63b/0xe10 [ 143.386256][ T8491] do_syscall_64+0x54/0x150 [ 143.390766][ T8491] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 143.396654][ T8491] RIP: 0033:0x43eea8 [ 143.400523][ T8491] Code: Bad RIP value. [ 143.404569][ T8491] RSP: 002b:00007ffc31d98e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 143.412961][ T8491] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043eea8 [ 143.420912][ T8491] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 143.428862][ T8491] RBP: 00000000004be6a8 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 143.436817][ T8491] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 143.444771][ T8491] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 [ 143.453211][ T8491] ------------[ cut here ]------------ [ 143.458647][ T8491] kernel BUG at mm/kmsan/kmsan.h:87! [ 143.463938][ T8491] invalid opcode: 0000 [#1] SMP [ 143.468772][ T8491] CPU: 1 PID: 8491 Comm: syz-executor935 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 143.478817][ T8491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.488867][ T8491] RIP: 0010:kmsan_internal_check_memory+0x3c0/0x3d0 [ 143.495444][ T8491] Code: 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b 48 c7 c7 ea 03 0a aa 31 c0 e8 81 fe 44 ff 0f 0b 0f 0b 0f 0b 0f 0b e8 32 3f 8c 0c 0f 0b <0f> 0b 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 83 ff [ 143.515034][ T8491] RSP: 0018:ffffb8a100dbb858 EFLAGS: 00010046 [ 143.521082][ T8491] RAX: 0000000000000002 RBX: 00000000041000b1 RCX: 00000000041000b1 [ 143.529046][ T8491] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffb8a100dbb934 [ 143.537014][ T8491] RBP: ffffb8a100dbb900 R08: 0000000000000000 R09: ffff9c14efd28210 [ 143.544977][ T8491] R10: 0000000000000000 R11: ffffffffa0e02730 R12: 0000000000000000 [ 143.552936][ T8491] R13: 0000000000000001 R14: 0000000000000006 R15: 0000000000000001 [ 143.560893][ T8491] FS: 0000000001c47880(0000) GS:ffff9c14efd00000(0000) knlGS:0000000000000000 [ 143.569812][ T8491] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 143.576378][ T8491] CR2: 0000000020000100 CR3: 000000010bc91000 CR4: 00000000001406e0 [ 143.584333][ T8491] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 143.592385][ T8491] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 143.600338][ T8491] Call Trace: [ 143.603645][ T8491] kmsan_check_memory+0xd/0x10 [ 143.608392][ T8491] iowrite8+0x99/0x2e0 [ 143.612451][ T8491] pvpanic_panic_notify+0x99/0xc0 [ 143.617455][ T8491] ? pvpanic_mmio_remove+0x60/0x60 [ 143.622548][ T8491] atomic_notifier_call_chain+0x130/0x250 [ 143.628262][ T8491] panic+0x468/0xc3e [ 143.632175][ T8491] kmsan_report+0x1df/0x1e0 [ 143.636673][ T8491] __msan_warning+0x58/0xa0 [ 143.641177][ T8491] __seccomp_filter+0x10bc/0x2720 [ 143.646203][ T8491] ? kmsan_get_metadata+0x11d/0x180 [ 143.651385][ T8491] ? kmsan_get_metadata+0x4f/0x180 [ 143.656494][ T8491] ? kmsan_get_metadata+0x4f/0x180 [ 143.661591][ T8491] __secure_computing+0x1fa/0x380 [ 143.666613][ T8491] syscall_trace_enter+0x63b/0xe10 [ 143.672340][ T8491] do_syscall_64+0x54/0x150 [ 143.677794][ T8491] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 143.683668][ T8491] RIP: 0033:0x43eea8 [ 143.687710][ T8491] Code: Bad RIP value. [ 143.691753][ T8491] RSP: 002b:00007ffc31d98e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 143.705357][ T8491] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043eea8 [ 143.713312][ T8491] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 143.721268][ T8491] RBP: 00000000004be6a8 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 143.729219][ T8491] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 143.737172][ T8491] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 [ 143.745149][ T8491] Modules linked in: [ 143.749043][ T8491] ---[ end trace 74a31dc98126be2c ]--- [ 143.754487][ T8491] RIP: 0010:kmsan_internal_check_memory+0x3c0/0x3d0 [ 143.761068][ T8491] Code: 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b 48 c7 c7 ea 03 0a aa 31 c0 e8 81 fe 44 ff 0f 0b 0f 0b 0f 0b 0f 0b e8 32 3f 8c 0c 0f 0b <0f> 0b 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 83 ff [ 143.780658][ T8491] RSP: 0018:ffffb8a100dbb858 EFLAGS: 00010046 [ 143.786710][ T8491] RAX: 0000000000000002 RBX: 00000000041000b1 RCX: 00000000041000b1 [ 143.794672][ T8491] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffb8a100dbb934 [ 143.802631][ T8491] RBP: ffffb8a100dbb900 R08: 0000000000000000 R09: ffff9c14efd28210 [ 143.810592][ T8491] R10: 0000000000000000 R11: ffffffffa0e02730 R12: 0000000000000000 [ 143.818546][ T8491] R13: 0000000000000001 R14: 0000000000000006 R15: 0000000000000001 [ 143.826504][ T8491] FS: 0000000001c47880(0000) GS:ffff9c14efd00000(0000) knlGS:0000000000000000 [ 143.835415][ T8491] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 143.841978][ T8491] CR2: 0000000020000100 CR3: 000000010bc91000 CR4: 00000000001406e0 [ 143.849932][ T8491] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 143.857898][ T8491] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 143.865853][ T8491] Kernel panic - not syncing: Fatal exception [ 143.872539][ T8491] Kernel Offset: 0x1aa00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 143.884164][ T8491] Rebooting in 86400 seconds..