Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.32' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 75.485154][ T8480] ------------[ cut here ]------------ [ 75.490785][ T8480] trace type BPF program uses run-time allocation [ 75.498844][ T8480] WARNING: CPU: 0 PID: 8480 at kernel/bpf/verifier.c:9857 bpf_check+0x97f2/0xca90 [ 75.508476][ T8480] Modules linked in: [ 75.512402][ T8480] CPU: 0 PID: 8480 Comm: syz-executor689 Not tainted 5.11.0-rc2-syzkaller #0 [ 75.524110][ T8480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.538218][ T8480] RIP: 0010:bpf_check+0x97f2/0xca90 [ 75.544461][ T8480] Code: e9 e1 bb ff ff 4c 89 ff e8 3b 46 30 00 e9 91 bb ff ff e8 41 8a ed ff 48 c7 c7 80 97 52 89 c6 05 50 1d 6a 0b 01 e8 cb ff 32 07 <0f> 0b e9 7c ca ff ff e8 22 8a ed ff 48 8d 7b 40 b8 ff ff 37 00 48 [ 75.565207][ T8480] RSP: 0018:ffffc900016cf958 EFLAGS: 00010282 [ 75.571326][ T8480] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 [ 75.579481][ T8480] RDX: ffff88801dbc1bc0 RSI: ffffffff815b69d5 RDI: fffff520002d9f1d [ 75.587603][ T8480] RBP: ffffc900016cfbc0 R08: 0000000000000000 R09: 0000000000000000 [ 75.595690][ T8480] R10: ffffffff815afbae R11: 0000000000000000 R12: 0000000000000000 [ 75.603801][ T8480] R13: ffff88814073d800 R14: ffffc90000e58048 R15: ffff88801789c000 [ 75.611822][ T8480] FS: 0000000001d16880(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 75.620880][ T8480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.627637][ T8480] CR2: 00007f6fa85846c0 CR3: 0000000015237000 CR4: 00000000001506f0 [ 75.635692][ T8480] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.643806][ T8480] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.651800][ T8480] Call Trace: [ 75.655261][ T8480] ? bpf_get_btf_vmlinux+0x10/0x10 [ 75.660534][ T8480] ? find_held_lock+0x2d/0x110 [ 75.665435][ T8480] ? bpf_prog_load+0xda4/0x1f40 [ 75.670561][ T8480] ? lock_downgrade+0x6d0/0x6d0 [ 75.676656][ T8480] ? lock_downgrade+0x6d0/0x6d0 [ 75.684520][ T8480] ? memset+0x20/0x40 [ 75.688696][ T8480] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 75.695250][ T8480] ? bpf_obj_name_cpy+0x144/0x1a0 [ 75.700917][ T8480] ? bpf_prog_load+0xe1c/0x1f40 [ 75.705974][ T8480] bpf_prog_load+0xe3e/0x1f40 [ 75.711234][ T8480] ? __bpf_prog_put.constprop.0+0x1a0/0x1a0 [ 75.717287][ T8480] ? __might_fault+0xd3/0x180 [ 75.722016][ T8480] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 75.728544][ T8480] __do_sys_bpf+0x1251/0x4f10 [ 75.733438][ T8480] ? bpf_link_get_from_fd+0x110/0x110 [ 75.738947][ T8480] ? __up_read+0x1a1/0x7b0 [ 75.743470][ T8480] ? _down_write_nest_lock+0x150/0x150 [ 75.748969][ T8480] ? syscall_enter_from_user_mode+0x1d/0x50 [ 75.755533][ T8480] do_syscall_64+0x2d/0x70 [ 75.759995][ T8480] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.766023][ T8480] RIP: 0033:0x440669 [ 75.770134][ T8480] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.790763][ T8480] RSP: 002b:00007ffcc1aa9668 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 75.799310][ T8480] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440669 [ 75.808782][ T8480] RDX: 0000000000000078 RSI: 0000000020000240 RDI: 0000000000000005 [ 75.817383][ T8480] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 75.825689][ T8480] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401e70 [ 75.833789][ T8480] R13: 0000000000401f00 R14: 0000000000000000 R15: 0000000000000000 [ 75.841793][ T8480] Kernel panic - not syncing: panic_on_warn set ... [ 75.848372][ T8480] CPU: 0 PID: 8480 Comm: syz-executor689 Not tainted 5.11.0-rc2-syzkaller #0 [ 75.857508][ T8480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.867686][ T8480] Call Trace: [ 75.871060][ T8480] dump_stack+0x107/0x163 [ 75.875397][ T8480] panic+0x306/0x73d [ 75.879396][ T8480] ? __warn_printk+0xf3/0xf3 [ 75.885491][ T8480] ? __warn.cold+0x1a/0x44 [ 75.889915][ T8480] ? bpf_check+0x97f2/0xca90 [ 75.894808][ T8480] __warn.cold+0x35/0x44 [ 75.899156][ T8480] ? wake_up_klogd.part.0+0x8e/0xd0 [ 75.904398][ T8480] ? bpf_check+0x97f2/0xca90 [ 75.909192][ T8480] report_bug+0x1bd/0x210 [ 75.913556][ T8480] handle_bug+0x3c/0x60 [ 75.917835][ T8480] exc_invalid_op+0x14/0x40 [ 75.922367][ T8480] asm_exc_invalid_op+0x12/0x20 [ 75.927339][ T8480] RIP: 0010:bpf_check+0x97f2/0xca90 [ 75.932568][ T8480] Code: e9 e1 bb ff ff 4c 89 ff e8 3b 46 30 00 e9 91 bb ff ff e8 41 8a ed ff 48 c7 c7 80 97 52 89 c6 05 50 1d 6a 0b 01 e8 cb ff 32 07 <0f> 0b e9 7c ca ff ff e8 22 8a ed ff 48 8d 7b 40 b8 ff ff 37 00 48 [ 75.952928][ T8480] RSP: 0018:ffffc900016cf958 EFLAGS: 00010282 [ 75.959030][ T8480] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 [ 75.967039][ T8480] RDX: ffff88801dbc1bc0 RSI: ffffffff815b69d5 RDI: fffff520002d9f1d [ 75.975049][ T8480] RBP: ffffc900016cfbc0 R08: 0000000000000000 R09: 0000000000000000 [ 75.983088][ T8480] R10: ffffffff815afbae R11: 0000000000000000 R12: 0000000000000000 [ 75.991094][ T8480] R13: ffff88814073d800 R14: ffffc90000e58048 R15: ffff88801789c000 [ 75.999091][ T8480] ? wake_up_klogd.part.0+0x8e/0xd0 [ 76.004384][ T8480] ? vprintk_func+0x95/0x1e0 [ 76.009099][ T8480] ? bpf_check+0x97f2/0xca90 [ 76.013705][ T8480] ? bpf_get_btf_vmlinux+0x10/0x10 [ 76.018839][ T8480] ? find_held_lock+0x2d/0x110 [ 76.023606][ T8480] ? bpf_prog_load+0xda4/0x1f40 [ 76.029075][ T8480] ? lock_downgrade+0x6d0/0x6d0 [ 76.034041][ T8480] ? lock_downgrade+0x6d0/0x6d0 [ 76.039014][ T8480] ? memset+0x20/0x40 [ 76.043055][ T8480] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 76.049616][ T8480] ? bpf_obj_name_cpy+0x144/0x1a0 [ 76.054652][ T8480] ? bpf_prog_load+0xe1c/0x1f40 [ 76.060227][ T8480] bpf_prog_load+0xe3e/0x1f40 [ 76.064940][ T8480] ? __bpf_prog_put.constprop.0+0x1a0/0x1a0 [ 76.070944][ T8480] ? __might_fault+0xd3/0x180 [ 76.076080][ T8480] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.082344][ T8480] __do_sys_bpf+0x1251/0x4f10 [ 76.087920][ T8480] ? bpf_link_get_from_fd+0x110/0x110 [ 76.093304][ T8480] ? __up_read+0x1a1/0x7b0 [ 76.097890][ T8480] ? _down_write_nest_lock+0x150/0x150 [ 76.103376][ T8480] ? syscall_enter_from_user_mode+0x1d/0x50 [ 76.109650][ T8480] do_syscall_64+0x2d/0x70 [ 76.114084][ T8480] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.120002][ T8480] RIP: 0033:0x440669 [ 76.123887][ T8480] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.144199][ T8480] RSP: 002b:00007ffcc1aa9668 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 76.152822][ T8480] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440669 [ 76.161571][ T8480] RDX: 0000000000000078 RSI: 0000000020000240 RDI: 0000000000000005 [ 76.169652][ T8480] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 76.177712][ T8480] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401e70 [ 76.185780][ T8480] R13: 0000000000401f00 R14: 0000000000000000 R15: 0000000000000000 [ 76.195235][ T8480] Kernel Offset: disabled [ 76.199663][ T8480] Rebooting in 86400 seconds..