[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.70' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 76.938541][ T8405] ------------[ cut here ]------------ [ 76.944243][ T8405] trace type BPF program uses run-time allocation [ 76.950737][ T8405] WARNING: CPU: 0 PID: 8405 at kernel/bpf/verifier.c:11091 bpf_check+0x98bf/0xc840 [ 76.960887][ T8405] Modules linked in: [ 76.964920][ T8405] CPU: 0 PID: 8405 Comm: syz-executor981 Not tainted 5.12.0-rc7-syzkaller #0 [ 76.973791][ T8405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.983998][ T8405] RIP: 0010:bpf_check+0x98bf/0xc840 [ 76.989325][ T8405] Code: ff ff e8 e4 bb 31 00 8b 95 40 fe ff ff e9 41 e2 ff ff e8 34 95 ed ff 48 c7 c7 40 a4 72 89 c6 05 a0 74 2b 0c 01 e8 4a 27 42 07 <0f> 0b e9 9c d7 ff ff e8 45 bb 31 00 e9 91 fa ff ff e8 cb bb 31 00 [ 77.009258][ T8405] RSP: 0018:ffffc900015ef9a0 EFLAGS: 00010282 [ 77.015703][ T8405] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 [ 77.023796][ T8405] RDX: ffff888021403880 RSI: ffffffff815c5205 RDI: fffff520002bdf26 [ 77.031911][ T8405] RBP: ffffc900015efbc0 R08: 0000000000000000 R09: 0000000000000000 [ 77.039910][ T8405] R10: ffffffff815bdf9e R11: 0000000000000000 R12: ffff888030e8e000 [ 77.048626][ T8405] R13: ffffc90000e9e058 R14: 0000000000000011 R15: ffff888027b74000 [ 77.056722][ T8405] FS: 0000000000fa3300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 77.065949][ T8405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.072629][ T8405] CR2: 0000000020000000 CR3: 000000001284a000 CR4: 00000000001506f0 [ 77.080622][ T8405] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.088671][ T8405] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.096730][ T8405] Call Trace: [ 77.100044][ T8405] ? bpf_get_btf_vmlinux+0x80/0x80 [ 77.105275][ T8405] ? bpf_prog_load+0xdad/0x1f40 [ 77.110164][ T8405] ? lock_downgrade+0x6e0/0x6e0 [ 77.115314][ T8405] ? __might_fault+0xd3/0x180 [ 77.120079][ T8405] ? memset+0x20/0x40 [ 77.124165][ T8405] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 77.130457][ T8405] ? bpf_obj_name_cpy+0x144/0x1a0 [ 77.135596][ T8405] ? bpf_prog_load+0xe25/0x1f40 [ 77.140591][ T8405] bpf_prog_load+0xe47/0x1f40 [ 77.145374][ T8405] ? __bpf_prog_put.constprop.0+0x1a0/0x1a0 [ 77.151319][ T8405] ? __might_fault+0xd3/0x180 [ 77.156300][ T8405] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.162687][ T8405] __do_sys_bpf+0x1272/0x4f40 [ 77.167386][ T8405] ? bpf_link_get_from_fd+0x110/0x110 [ 77.173063][ T8405] ? find_held_lock+0x2d/0x110 [ 77.177855][ T8405] ? __context_tracking_exit+0xb8/0xe0 [ 77.183511][ T8405] ? lock_downgrade+0x6e0/0x6e0 [ 77.188471][ T8405] ? syscall_enter_from_user_mode+0x27/0x70 [ 77.195272][ T8405] do_syscall_64+0x2d/0x70 [ 77.199702][ T8405] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 77.205717][ T8405] RIP: 0033:0x43f069 [ 77.209618][ T8405] 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 [ 77.229564][ T8405] RSP: 002b:00007fff314ecaf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 77.238120][ T8405] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f069 [ 77.246292][ T8405] RDX: 0000000000000078 RSI: 0000000020000300 RDI: 0000000000000005 [ 77.254329][ T8405] RBP: 0000000000403050 R08: 00000000004ac018 R09: 0000000000400488 [ 77.262866][ T8405] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004030e0 [ 77.271226][ T8405] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 77.279317][ T8405] Kernel panic - not syncing: panic_on_warn set ... [ 77.285925][ T8405] CPU: 0 PID: 8405 Comm: syz-executor981 Not tainted 5.12.0-rc7-syzkaller #0 [ 77.294673][ T8405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.304713][ T8405] Call Trace: [ 77.307994][ T8405] dump_stack+0x141/0x1d7 [ 77.312356][ T8405] panic+0x306/0x73d [ 77.316245][ T8405] ? __warn_printk+0xf3/0xf3 [ 77.320825][ T8405] ? __warn.cold+0x1a/0x44 [ 77.325242][ T8405] ? bpf_check+0x98bf/0xc840 [ 77.329840][ T8405] __warn.cold+0x35/0x44 [ 77.334085][ T8405] ? bpf_check+0x98bf/0xc840 [ 77.338660][ T8405] report_bug+0x1bd/0x210 [ 77.343003][ T8405] handle_bug+0x3c/0x60 [ 77.347161][ T8405] exc_invalid_op+0x14/0x40 [ 77.351648][ T8405] asm_exc_invalid_op+0x12/0x20 [ 77.356499][ T8405] RIP: 0010:bpf_check+0x98bf/0xc840 [ 77.361697][ T8405] Code: ff ff e8 e4 bb 31 00 8b 95 40 fe ff ff e9 41 e2 ff ff e8 34 95 ed ff 48 c7 c7 40 a4 72 89 c6 05 a0 74 2b 0c 01 e8 4a 27 42 07 <0f> 0b e9 9c d7 ff ff e8 45 bb 31 00 e9 91 fa ff ff e8 cb bb 31 00 [ 77.381288][ T8405] RSP: 0018:ffffc900015ef9a0 EFLAGS: 00010282 [ 77.387344][ T8405] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 [ 77.395337][ T8405] RDX: ffff888021403880 RSI: ffffffff815c5205 RDI: fffff520002bdf26 [ 77.403290][ T8405] RBP: ffffc900015efbc0 R08: 0000000000000000 R09: 0000000000000000 [ 77.411260][ T8405] R10: ffffffff815bdf9e R11: 0000000000000000 R12: ffff888030e8e000 [ 77.419215][ T8405] R13: ffffc90000e9e058 R14: 0000000000000011 R15: ffff888027b74000 [ 77.427193][ T8405] ? wake_up_klogd.part.0+0x8e/0xd0 [ 77.432397][ T8405] ? vprintk_func+0x95/0x1e0 [ 77.436991][ T8405] ? bpf_get_btf_vmlinux+0x80/0x80 [ 77.442087][ T8405] ? bpf_prog_load+0xdad/0x1f40 [ 77.447186][ T8405] ? lock_downgrade+0x6e0/0x6e0 [ 77.452120][ T8405] ? __might_fault+0xd3/0x180 [ 77.456791][ T8405] ? memset+0x20/0x40 [ 77.460844][ T8405] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 77.467086][ T8405] ? bpf_obj_name_cpy+0x144/0x1a0 [ 77.472098][ T8405] ? bpf_prog_load+0xe25/0x1f40 [ 77.476935][ T8405] bpf_prog_load+0xe47/0x1f40 [ 77.481801][ T8405] ? __bpf_prog_put.constprop.0+0x1a0/0x1a0 [ 77.487682][ T8405] ? __might_fault+0xd3/0x180 [ 77.492352][ T8405] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.498580][ T8405] __do_sys_bpf+0x1272/0x4f40 [ 77.503264][ T8405] ? bpf_link_get_from_fd+0x110/0x110 [ 77.508632][ T8405] ? find_held_lock+0x2d/0x110 [ 77.513384][ T8405] ? __context_tracking_exit+0xb8/0xe0 [ 77.518845][ T8405] ? lock_downgrade+0x6e0/0x6e0 [ 77.523693][ T8405] ? syscall_enter_from_user_mode+0x27/0x70 [ 77.529577][ T8405] do_syscall_64+0x2d/0x70 [ 77.533986][ T8405] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 77.539870][ T8405] RIP: 0033:0x43f069 [ 77.543764][ T8405] 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 [ 77.563545][ T8405] RSP: 002b:00007fff314ecaf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 77.571962][ T8405] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f069 [ 77.579916][ T8405] RDX: 0000000000000078 RSI: 0000000020000300 RDI: 0000000000000005 [ 77.587878][ T8405] RBP: 0000000000403050 R08: 00000000004ac018 R09: 0000000000400488 [ 77.595852][ T8405] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004030e0 [ 77.603810][ T8405] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 77.612713][ T8405] Kernel Offset: disabled [ 77.617136][ T8405] Rebooting in 86400 seconds..