Starting System Logging Service... [ OK ] Started Regular background program processing daemon. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Reached target Timers. [ OK ] Started Permit User Sessions. [ OK ] Started System Logging Service. [ OK ] Found device /dev/ttyS0. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Warning: Permanently added '10.128.1.113' (ECDSA) to the list of known hosts. Debian GNU/Linux 9 syzkaller ttyS0 executing program syzkaller login: [ 77.226557][ T37] audit: type=1400 audit(1619959420.933:8): avc: denied { execmem } for pid=8406 comm="syz-executor167" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 77.492300][ T8412] ------------[ cut here ]------------ [ 77.497945][ T8412] WARNING: CPU: 1 PID: 8412 at kernel/tracepoint.c:291 tracepoint_add_func+0x1fb/0xa90 [ 77.507671][ T8412] Modules linked in: [ 77.511574][ T8412] CPU: 1 PID: 8412 Comm: syz-executor167 Not tainted 5.12.0-syzkaller #0 [ 77.520061][ T8412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.530229][ T8412] RIP: 0010:tracepoint_add_func+0x1fb/0xa90 [ 77.536203][ T8412] Code: 44 24 18 48 8b 5d 08 80 38 00 0f 85 62 07 00 00 48 8b 44 24 10 48 3b 58 08 0f 85 71 ff ff ff 41 bc ef ff ff ff e8 75 5f fe ff <0f> 0b e9 ac 02 00 00 e8 69 5f fe ff 41 83 c6 02 e8 60 5f fe ff 44 [ 77.556046][ T8412] RSP: 0018:ffffc90001b97ab8 EFLAGS: 00010293 [ 77.562139][ T8412] RAX: 0000000000000000 RBX: ffffc90000e96000 RCX: 0000000000000000 [ 77.570229][ T8412] RDX: ffff88802ce64000 RSI: ffffffff8175335b RDI: ffff88801ac06198 [ 77.578364][ T8412] RBP: ffff88801ac06190 R08: 0000000000000000 R09: 0000000000000000 [ 77.586704][ T8412] R10: ffffffff8175358a R11: 0000000000000000 R12: 00000000ffffffef [ 77.595526][ T8412] R13: ffff88801ac06190 R14: 0000000000000000 R15: dffffc0000000000 [ 77.603885][ T8412] FS: 00007fa751a1d700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 77.612868][ T8412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.619647][ T8412] CR2: 00007f20996c3000 CR3: 0000000024735000 CR4: 00000000001506f0 [ 77.627718][ T8412] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.635753][ T8412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.643809][ T8412] Call Trace: [ 77.647093][ T8412] ? __bpf_trace_ext4_fc_replay+0x180/0x180 [ 77.653001][ T8412] ? __bpf_trace_ext4_fc_replay+0x180/0x180 [ 77.658951][ T8412] tracepoint_probe_register+0x9c/0xe0 [ 77.664675][ T8412] ? tracepoint_probe_register_prio+0xe0/0xe0 [ 77.670868][ T8412] ? __bpf_trace_ext4_fc_replay+0x180/0x180 [ 77.676839][ T8412] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 77.683106][ T8412] ? anon_inode_getfile+0x14e/0x1e0 [ 77.688558][ T8412] bpf_probe_register+0x15a/0x1c0 [ 77.694527][ T8412] bpf_raw_tracepoint_open+0x34a/0x720 [ 77.699986][ T8412] ? bpf_tracing_prog_attach+0x9a0/0x9a0 [ 77.705708][ T8412] ? __might_fault+0xd3/0x180 [ 77.710393][ T8412] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 77.716334][ T8412] ? selinux_bpf+0xe7/0x120 [ 77.720845][ T8412] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.727189][ T8412] __do_sys_bpf+0x2586/0x4f40 [ 77.731878][ T8412] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 77.737935][ T8412] ? bpf_link_get_from_fd+0x110/0x110 [ 77.743365][ T8412] ? find_held_lock+0x2d/0x110 [ 77.748197][ T8412] ? __context_tracking_exit+0xb8/0xe0 [ 77.753734][ T8412] ? lock_downgrade+0x6e0/0x6e0 [ 77.758592][ T8412] ? syscall_enter_from_user_mode+0x27/0x70 [ 77.764533][ T8412] do_syscall_64+0x3a/0xb0 [ 77.768963][ T8412] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 77.775015][ T8412] RIP: 0033:0x445999 [ 77.779002][ T8412] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 77.799008][ T8412] RSP: 002b:00007fa751a1d318 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 77.807728][ T8412] RAX: ffffffffffffffda RBX: 00000000004ca408 RCX: 0000000000445999 [ 77.815976][ T8412] RDX: 0000000000000010 RSI: 0000000020000080 RDI: 0000000000000011 [ 77.824807][ T8412] RBP: 00000000004ca400 R08: 0000000000000000 R09: 0000000000000000 [ 77.832811][ T8412] R10: 0000000000000000 R11: 0000000000000246 R12: 65676e61725f636f [ 77.840853][ T8412] R13: 00007ffc847ba7ef R14: 00007fa751a1d400 R15: 0000000000022000 [ 77.848901][ T8412] Kernel panic - not syncing: panic_on_warn set ... [ 77.855479][ T8412] CPU: 0 PID: 8412 Comm: syz-executor167 Not tainted 5.12.0-syzkaller #0 [ 77.863875][ T8412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.873914][ T8412] Call Trace: [ 77.877179][ T8412] dump_stack+0x141/0x1d7 [ 77.881504][ T8412] panic+0x306/0x73d [ 77.885405][ T8412] ? __warn_printk+0xf3/0xf3 [ 77.889999][ T8412] ? __warn.cold+0x1a/0x44 [ 77.894401][ T8412] ? tracepoint_add_func+0x1fb/0xa90 [ 77.899674][ T8412] __warn.cold+0x35/0x44 [ 77.903902][ T8412] ? tracepoint_add_func+0x1fb/0xa90 [ 77.909177][ T8412] report_bug+0x1bd/0x210 [ 77.913519][ T8412] handle_bug+0x3c/0x60 [ 77.917662][ T8412] exc_invalid_op+0x14/0x40 [ 77.922151][ T8412] asm_exc_invalid_op+0x12/0x20 [ 77.926986][ T8412] RIP: 0010:tracepoint_add_func+0x1fb/0xa90 [ 77.932869][ T8412] Code: 44 24 18 48 8b 5d 08 80 38 00 0f 85 62 07 00 00 48 8b 44 24 10 48 3b 58 08 0f 85 71 ff ff ff 41 bc ef ff ff ff e8 75 5f fe ff <0f> 0b e9 ac 02 00 00 e8 69 5f fe ff 41 83 c6 02 e8 60 5f fe ff 44 [ 77.952637][ T8412] RSP: 0018:ffffc90001b97ab8 EFLAGS: 00010293 [ 77.958689][ T8412] RAX: 0000000000000000 RBX: ffffc90000e96000 RCX: 0000000000000000 [ 77.966644][ T8412] RDX: ffff88802ce64000 RSI: ffffffff8175335b RDI: ffff88801ac06198 [ 77.974602][ T8412] RBP: ffff88801ac06190 R08: 0000000000000000 R09: 0000000000000000 [ 77.982557][ T8412] R10: ffffffff8175358a R11: 0000000000000000 R12: 00000000ffffffef [ 77.990512][ T8412] R13: ffff88801ac06190 R14: 0000000000000000 R15: dffffc0000000000 [ 77.998468][ T8412] ? tracepoint_add_func+0x42a/0xa90 [ 78.003762][ T8412] ? tracepoint_add_func+0x1fb/0xa90 [ 78.009035][ T8412] ? tracepoint_add_func+0x1fb/0xa90 [ 78.014322][ T8412] ? __bpf_trace_ext4_fc_replay+0x180/0x180 [ 78.020206][ T8412] ? __bpf_trace_ext4_fc_replay+0x180/0x180 [ 78.026174][ T8412] tracepoint_probe_register+0x9c/0xe0 [ 78.031636][ T8412] ? tracepoint_probe_register_prio+0xe0/0xe0 [ 78.037707][ T8412] ? __bpf_trace_ext4_fc_replay+0x180/0x180 [ 78.043589][ T8412] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 78.049817][ T8412] ? anon_inode_getfile+0x14e/0x1e0 [ 78.055007][ T8412] bpf_probe_register+0x15a/0x1c0 [ 78.060018][ T8412] bpf_raw_tracepoint_open+0x34a/0x720 [ 78.065486][ T8412] ? bpf_tracing_prog_attach+0x9a0/0x9a0 [ 78.071128][ T8412] ? __might_fault+0xd3/0x180 [ 78.075836][ T8412] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 78.081717][ T8412] ? selinux_bpf+0xe7/0x120 [ 78.086208][ T8412] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 78.092436][ T8412] __do_sys_bpf+0x2586/0x4f40 [ 78.097101][ T8412] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 78.103069][ T8412] ? bpf_link_get_from_fd+0x110/0x110 [ 78.108447][ T8412] ? find_held_lock+0x2d/0x110 [ 78.113197][ T8412] ? __context_tracking_exit+0xb8/0xe0 [ 78.118643][ T8412] ? lock_downgrade+0x6e0/0x6e0 [ 78.123480][ T8412] ? syscall_enter_from_user_mode+0x27/0x70 [ 78.129363][ T8412] do_syscall_64+0x3a/0xb0 [ 78.133767][ T8412] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 78.139648][ T8412] RIP: 0033:0x445999 [ 78.143551][ T8412] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 78.163143][ T8412] RSP: 002b:00007fa751a1d318 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 78.171539][ T8412] RAX: ffffffffffffffda RBX: 00000000004ca408 RCX: 0000000000445999 [ 78.179493][ T8412] RDX: 0000000000000010 RSI: 0000000020000080 RDI: 0000000000000011 [ 78.187449][ T8412] RBP: 00000000004ca400 R08: 0000000000000000 R09: 0000000000000000 [ 78.195403][ T8412] R10: 0000000000000000 R11: 0000000000000246 R12: 65676e61725f636f [ 78.203362][ T8412] R13: 00007ffc847ba7ef R14: 00007fa751a1d400 R15: 0000000000022000 [ 78.212216][ T8412] Kernel Offset: disabled [ 78.216619][ T8412] Rebooting in 86400 seconds..