[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ 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. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.22' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 66.193975][ T8507] ------------[ cut here ]------------ [ 66.199470][ T8507] trace type BPF program uses run-time allocation [ 66.206999][ T8507] WARNING: CPU: 1 PID: 8507 at kernel/bpf/verifier.c:9856 bpf_check+0x97f2/0xca90 [ 66.216916][ T8507] Modules linked in: [ 66.220865][ T8507] CPU: 1 PID: 8507 Comm: syz-executor905 Not tainted 5.10.0-rc6-syzkaller #0 [ 66.230605][ T8507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.241391][ T8507] RIP: 0010:bpf_check+0x97f2/0xca90 [ 66.247024][ T8507] Code: e9 e1 bb ff ff 4c 89 ff e8 fb ab 2f 00 e9 91 bb ff ff e8 21 ab ed ff 48 c7 c7 00 3e 52 89 c6 05 ff 8b 56 0b 01 e8 ba f7 2c 07 <0f> 0b e9 7c ca ff ff e8 02 ab ed ff 48 8d 7b 40 b8 ff ff 37 00 48 [ 66.267188][ T8507] RSP: 0018:ffffc9000138f958 EFLAGS: 00010282 [ 66.273412][ T8507] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 [ 66.281383][ T8507] RDX: ffff88801e9a8000 RSI: ffffffff8158ca45 RDI: fffff52000271f1d [ 66.289519][ T8507] RBP: ffffc9000138fbc0 R08: 0000000000000001 R09: ffff8880b9f30627 [ 66.297557][ T8507] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 66.305624][ T8507] R13: ffff88802f2bb000 R14: ffffc90000e6a048 R15: ffff8880188c8000 [ 66.313663][ T8507] FS: 0000000001cf2880(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 66.322706][ T8507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.329290][ T8507] CR2: 0000000020000280 CR3: 00000000136cd000 CR4: 00000000001506e0 [ 66.337321][ T8507] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.345387][ T8507] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.353404][ T8507] Call Trace: [ 66.356864][ T8507] ? bpf_get_btf_vmlinux+0x10/0x10 [ 66.361960][ T8507] ? find_held_lock+0x2d/0x110 [ 66.366824][ T8507] ? bpf_prog_load+0xda4/0x1f20 [ 66.371689][ T8507] ? lock_downgrade+0x6d0/0x6d0 [ 66.376595][ T8507] ? lock_downgrade+0x6d0/0x6d0 [ 66.381457][ T8507] ? memset+0x20/0x40 [ 66.385523][ T8507] ? bpf_obj_name_cpy+0x144/0x1a0 [ 66.390545][ T8507] bpf_prog_load+0xe3e/0x1f20 [ 66.395277][ T8507] ? __bpf_prog_put.constprop.0+0x1a0/0x1a0 [ 66.401178][ T8507] ? __might_fault+0xd3/0x180 [ 66.405949][ T8507] ? bpf_lsm_bpf+0x5/0x10 [ 66.410281][ T8507] __do_sys_bpf+0x1263/0x5170 [ 66.415005][ T8507] ? bpf_link_get_from_fd+0x110/0x110 [ 66.420383][ T8507] ? __up_read+0x1a1/0x7b0 [ 66.424878][ T8507] ? _down_write_nest_lock+0x150/0x150 [ 66.430366][ T8507] ? syscall_enter_from_user_mode+0x1d/0x50 [ 66.436310][ T8507] do_syscall_64+0x2d/0x70 [ 66.440729][ T8507] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.446704][ T8507] RIP: 0033:0x440549 [ 66.450618][ T8507] 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 [ 66.470312][ T8507] RSP: 002b:00007fffc5b573c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 66.478811][ T8507] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440549 [ 66.486883][ T8507] RDX: 0000000000000078 RSI: 0000000020000300 RDI: 0000000000000005 [ 66.494930][ T8507] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 66.503034][ T8507] R10: 0000000000000072 R11: 0000000000000246 R12: 0000000000401d50 [ 66.511007][ T8507] R13: 0000000000401de0 R14: 0000000000000000 R15: 0000000000000000 [ 66.519060][ T8507] Kernel panic - not syncing: panic_on_warn set ... [ 66.525646][ T8507] CPU: 1 PID: 8507 Comm: syz-executor905 Not tainted 5.10.0-rc6-syzkaller #0 [ 66.534378][ T8507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.544425][ T8507] Call Trace: [ 66.549001][ T8507] dump_stack+0x107/0x163 [ 66.553310][ T8507] panic+0x306/0x73d [ 66.557182][ T8507] ? __warn_printk+0xf3/0xf3 [ 66.561767][ T8507] ? __warn.cold+0x1a/0x44 [ 66.566180][ T8507] ? __warn+0xf1/0x210 [ 66.570244][ T8507] ? bpf_check+0x97f2/0xca90 [ 66.574834][ T8507] __warn.cold+0x35/0x44 [ 66.579071][ T8507] ? wake_up_klogd.part.0+0x8e/0xd0 [ 66.584265][ T8507] ? bpf_check+0x97f2/0xca90 [ 66.588844][ T8507] report_bug+0x1bd/0x210 [ 66.593161][ T8507] handle_bug+0x3c/0x60 [ 66.597299][ T8507] exc_invalid_op+0x14/0x40 [ 66.601798][ T8507] asm_exc_invalid_op+0x12/0x20 [ 66.606629][ T8507] RIP: 0010:bpf_check+0x97f2/0xca90 [ 66.611806][ T8507] Code: e9 e1 bb ff ff 4c 89 ff e8 fb ab 2f 00 e9 91 bb ff ff e8 21 ab ed ff 48 c7 c7 00 3e 52 89 c6 05 ff 8b 56 0b 01 e8 ba f7 2c 07 <0f> 0b e9 7c ca ff ff e8 02 ab ed ff 48 8d 7b 40 b8 ff ff 37 00 48 [ 66.632258][ T8507] RSP: 0018:ffffc9000138f958 EFLAGS: 00010282 [ 66.638305][ T8507] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 [ 66.646255][ T8507] RDX: ffff88801e9a8000 RSI: ffffffff8158ca45 RDI: fffff52000271f1d [ 66.654215][ T8507] RBP: ffffc9000138fbc0 R08: 0000000000000001 R09: ffff8880b9f30627 [ 66.662164][ T8507] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 66.670113][ T8507] R13: ffff88802f2bb000 R14: ffffc90000e6a048 R15: ffff8880188c8000 [ 66.678074][ T8507] ? vprintk_func+0x95/0x1e0 [ 66.682664][ T8507] ? bpf_check+0x97f2/0xca90 [ 66.687244][ T8507] ? bpf_get_btf_vmlinux+0x10/0x10 [ 66.692336][ T8507] ? find_held_lock+0x2d/0x110 [ 66.697079][ T8507] ? bpf_prog_load+0xda4/0x1f20 [ 66.701906][ T8507] ? lock_downgrade+0x6d0/0x6d0 [ 66.706736][ T8507] ? lock_downgrade+0x6d0/0x6d0 [ 66.711586][ T8507] ? memset+0x20/0x40 [ 66.715563][ T8507] ? bpf_obj_name_cpy+0x144/0x1a0 [ 66.720581][ T8507] bpf_prog_load+0xe3e/0x1f20 [ 66.725248][ T8507] ? __bpf_prog_put.constprop.0+0x1a0/0x1a0 [ 66.731131][ T8507] ? __might_fault+0xd3/0x180 [ 66.735805][ T8507] ? bpf_lsm_bpf+0x5/0x10 [ 66.740118][ T8507] __do_sys_bpf+0x1263/0x5170 [ 66.744779][ T8507] ? bpf_link_get_from_fd+0x110/0x110 [ 66.750134][ T8507] ? __up_read+0x1a1/0x7b0 [ 66.754545][ T8507] ? _down_write_nest_lock+0x150/0x150 [ 66.759994][ T8507] ? syscall_enter_from_user_mode+0x1d/0x50 [ 66.765888][ T8507] do_syscall_64+0x2d/0x70 [ 66.770283][ T8507] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.776170][ T8507] RIP: 0033:0x440549 [ 66.780046][ T8507] 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 [ 66.799650][ T8507] RSP: 002b:00007fffc5b573c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 66.808133][ T8507] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440549 [ 66.816085][ T8507] RDX: 0000000000000078 RSI: 0000000020000300 RDI: 0000000000000005 [ 66.824034][ T8507] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 66.832003][ T8507] R10: 0000000000000072 R11: 0000000000000246 R12: 0000000000401d50 [ 66.839952][ T8507] R13: 0000000000401de0 R14: 0000000000000000 R15: 0000000000000000 [ 66.848584][ T8507] Kernel Offset: disabled [ 66.852976][ T8507] Rebooting in 86400 seconds..