[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Started OpenBSD Secure Shell server. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.3' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 69.651486][ T8396] ------------[ cut here ]------------ [ 69.657143][ T8396] trace type BPF program uses run-time allocation [ 69.664154][ T8396] WARNING: CPU: 1 PID: 8396 at kernel/bpf/verifier.c:11093 bpf_check+0x98bf/0xc840 [ 69.674574][ T8396] Modules linked in: [ 69.679305][ T8396] CPU: 1 PID: 8396 Comm: syz-executor798 Not tainted 5.12.0-rc7-syzkaller #0 [ 69.689420][ T8396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.700643][ T8396] RIP: 0010:bpf_check+0x98bf/0xc840 [ 69.706626][ T8396] Code: ff ff e8 64 bc 31 00 8b 95 40 fe ff ff e9 41 e2 ff ff e8 f4 92 ed ff 48 c7 c7 40 a4 72 89 c6 05 20 72 2b 0c 01 e8 0a 25 42 07 <0f> 0b e9 9c d7 ff ff e8 c5 bb 31 00 e9 91 fa ff ff e8 4b bc 31 00 [ 69.726548][ T8396] RSP: 0018:ffffc9000176f9a0 EFLAGS: 00010282 [ 69.732637][ T8396] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 [ 69.741316][ T8396] RDX: ffff888026ca0000 RSI: ffffffff815c5205 RDI: fffff520002edf26 [ 69.750429][ T8396] RBP: ffffc9000176fbc0 R08: 0000000000000000 R09: 0000000000000000 [ 69.758460][ T8396] R10: ffffffff815bdf9e R11: 0000000000000000 R12: ffff888023f61000 [ 69.766499][ T8396] R13: ffffc90000e98058 R14: 0000000000000011 R15: ffff88802dc1c000 [ 69.774488][ T8396] FS: 0000000000dd4300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 69.783457][ T8396] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.790354][ T8396] CR2: 00007fff0a2eeff8 CR3: 000000001d916000 CR4: 00000000001506f0 [ 69.798405][ T8396] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.806485][ T8396] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.814479][ T8396] Call Trace: [ 69.817914][ T8396] ? bpf_get_btf_vmlinux+0x80/0x80 [ 69.823082][ T8396] ? bpf_prog_load+0xdad/0x1f40 [ 69.828295][ T8396] ? lock_downgrade+0x6e0/0x6e0 [ 69.833178][ T8396] ? __might_fault+0xd3/0x180 [ 69.837937][ T8396] ? memset+0x20/0x40 [ 69.841928][ T8396] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 69.848216][ T8396] ? bpf_obj_name_cpy+0x144/0x1a0 [ 69.853253][ T8396] ? bpf_prog_load+0xe25/0x1f40 [ 69.858147][ T8396] bpf_prog_load+0xe47/0x1f40 [ 69.862839][ T8396] ? __bpf_prog_put.constprop.0+0x1a0/0x1a0 [ 69.868777][ T8396] ? __might_fault+0xd3/0x180 [ 69.873487][ T8396] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.879807][ T8396] __do_sys_bpf+0x1272/0x4f40 [ 69.884613][ T8396] ? bpf_link_get_from_fd+0x110/0x110 [ 69.890075][ T8396] ? find_held_lock+0x2d/0x110 [ 69.894850][ T8396] ? __context_tracking_exit+0xb8/0xe0 [ 69.900569][ T8396] ? lock_downgrade+0x6e0/0x6e0 [ 69.905443][ T8396] ? syscall_enter_from_user_mode+0x27/0x70 [ 69.911415][ T8396] do_syscall_64+0x2d/0x70 [ 69.915901][ T8396] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 69.921812][ T8396] RIP: 0033:0x43f069 [ 69.925695][ T8396] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 69.945562][ T8396] RSP: 002b:00007ffd1b553c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 69.954167][ T8396] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f069 [ 69.962453][ T8396] RDX: 0000000000000078 RSI: 0000000020000300 RDI: 0000000000000005 [ 69.970545][ T8396] RBP: 0000000000403050 R08: 00000000004ac018 R09: 0000000000400488 [ 69.978677][ T8396] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004030e0 [ 69.986700][ T8396] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 69.994709][ T8396] Kernel panic - not syncing: panic_on_warn set ... [ 70.001275][ T8396] CPU: 0 PID: 8396 Comm: syz-executor798 Not tainted 5.12.0-rc7-syzkaller #0 [ 70.010016][ T8396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.020052][ T8396] Call Trace: [ 70.023329][ T8396] dump_stack+0x141/0x1d7 [ 70.027651][ T8396] panic+0x306/0x73d [ 70.031533][ T8396] ? __warn_printk+0xf3/0xf3 [ 70.036126][ T8396] ? __warn.cold+0x1a/0x44 [ 70.040527][ T8396] ? bpf_check+0x98bf/0xc840 [ 70.045102][ T8396] __warn.cold+0x35/0x44 [ 70.049334][ T8396] ? bpf_check+0x98bf/0xc840 [ 70.053909][ T8396] report_bug+0x1bd/0x210 [ 70.058248][ T8396] handle_bug+0x3c/0x60 [ 70.062387][ T8396] exc_invalid_op+0x14/0x40 [ 70.066887][ T8396] asm_exc_invalid_op+0x12/0x20 [ 70.071723][ T8396] RIP: 0010:bpf_check+0x98bf/0xc840 [ 70.076906][ T8396] Code: ff ff e8 64 bc 31 00 8b 95 40 fe ff ff e9 41 e2 ff ff e8 f4 92 ed ff 48 c7 c7 40 a4 72 89 c6 05 20 72 2b 0c 01 e8 0a 25 42 07 <0f> 0b e9 9c d7 ff ff e8 c5 bb 31 00 e9 91 fa ff ff e8 4b bc 31 00 [ 70.096502][ T8396] RSP: 0018:ffffc9000176f9a0 EFLAGS: 00010282 [ 70.102595][ T8396] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 [ 70.110548][ T8396] RDX: ffff888026ca0000 RSI: ffffffff815c5205 RDI: fffff520002edf26 [ 70.118515][ T8396] RBP: ffffc9000176fbc0 R08: 0000000000000000 R09: 0000000000000000 [ 70.126469][ T8396] R10: ffffffff815bdf9e R11: 0000000000000000 R12: ffff888023f61000 [ 70.134422][ T8396] R13: ffffc90000e98058 R14: 0000000000000011 R15: ffff88802dc1c000 [ 70.142382][ T8396] ? wake_up_klogd.part.0+0x8e/0xd0 [ 70.147573][ T8396] ? vprintk_func+0x95/0x1e0 [ 70.152166][ T8396] ? bpf_get_btf_vmlinux+0x80/0x80 [ 70.157260][ T8396] ? bpf_prog_load+0xdad/0x1f40 [ 70.162097][ T8396] ? lock_downgrade+0x6e0/0x6e0 [ 70.166952][ T8396] ? __might_fault+0xd3/0x180 [ 70.171630][ T8396] ? memset+0x20/0x40 [ 70.175596][ T8396] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 70.181819][ T8396] ? bpf_obj_name_cpy+0x144/0x1a0 [ 70.186857][ T8396] ? bpf_prog_load+0xe25/0x1f40 [ 70.191691][ T8396] bpf_prog_load+0xe47/0x1f40 [ 70.196355][ T8396] ? __bpf_prog_put.constprop.0+0x1a0/0x1a0 [ 70.202233][ T8396] ? __might_fault+0xd3/0x180 [ 70.206900][ T8396] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.213148][ T8396] __do_sys_bpf+0x1272/0x4f40 [ 70.217815][ T8396] ? bpf_link_get_from_fd+0x110/0x110 [ 70.223190][ T8396] ? find_held_lock+0x2d/0x110 [ 70.227944][ T8396] ? __context_tracking_exit+0xb8/0xe0 [ 70.233391][ T8396] ? lock_downgrade+0x6e0/0x6e0 [ 70.238337][ T8396] ? syscall_enter_from_user_mode+0x27/0x70 [ 70.245785][ T8396] do_syscall_64+0x2d/0x70 [ 70.250198][ T8396] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 70.256081][ T8396] RIP: 0033:0x43f069 [ 70.259960][ T8396] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 70.279551][ T8396] RSP: 002b:00007ffd1b553c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 70.287953][ T8396] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f069 [ 70.295927][ T8396] RDX: 0000000000000078 RSI: 0000000020000300 RDI: 0000000000000005 [ 70.303883][ T8396] RBP: 0000000000403050 R08: 00000000004ac018 R09: 0000000000400488 [ 70.311836][ T8396] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004030e0 [ 70.319812][ T8396] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 70.328487][ T8396] Kernel Offset: disabled [ 70.332904][ T8396] Rebooting in 86400 seconds..