Starting System Logging Service... Starting Permit User Sessions... [ OK ] Started Regular background program processing daemon. Starting getty on tty2-tty6 if dbus and logind are not available... Starting OpenBSD Secure Shell server... [ OK ] Started System Logging Service. [ OK ] Started Permit User Sessions. [ 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. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.64' (ECDSA) to the list of known hosts. syzkaller login: [ 72.620879][ T26] audit: type=1400 audit(1599656947.144:8): avc: denied { execmem } for pid=6829 comm="syz-executor921" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 73.733796][ T6830] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 74.596796][ T26] audit: type=1400 audit(1599656949.125:9): avc: denied { module_load } for pid=7202 comm="syz-executor921" path="/dev/input/mouse7" dev="devtmpfs" ino=2382 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:device_t:s0 tclass=system permissive=1 [ 74.596873][ T7205] ------------[ cut here ]------------ [ 74.628878][ T7205] WARNING: CPU: 0 PID: 7205 at fs/read_write.c:427 __kernel_read+0x416/0x550 [ 74.638555][ T7205] Kernel panic - not syncing: panic_on_warn set ... [ 74.645190][ T7205] CPU: 0 PID: 7205 Comm: syz-executor921 Not tainted 5.9.0-rc4-syzkaller #0 [ 74.653855][ T7205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.664033][ T7205] Call Trace: [ 74.667330][ T7205] dump_stack+0x198/0x1fd [ 74.671665][ T7205] panic+0x347/0x7c0 [ 74.675563][ T7205] ? __warn_printk+0xf3/0xf3 [ 74.680170][ T7205] ? printk+0xba/0xed [ 74.684148][ T7205] ? log_store.cold+0x16/0x16 [ 74.688926][ T7205] ? __warn.cold+0x5/0x46 [ 74.693369][ T7205] ? __warn+0xd6/0x1f2 [ 74.697471][ T7205] ? __kernel_read+0x416/0x550 [ 74.702257][ T7205] __warn.cold+0x20/0x46 [ 74.706518][ T7205] ? __kernel_read+0x416/0x550 [ 74.711322][ T7205] report_bug+0x1bd/0x210 [ 74.715675][ T7205] handle_bug+0x38/0x90 [ 74.719924][ T7205] exc_invalid_op+0x14/0x40 [ 74.724454][ T7205] asm_exc_invalid_op+0x12/0x20 [ 74.729324][ T7205] RIP: 0010:__kernel_read+0x416/0x550 [ 74.735192][ T7205] Code: 00 00 48 3b 6d 50 74 6e e8 47 47 b5 ff b9 01 00 00 00 4c 89 f2 44 89 fe 48 89 ef e8 44 56 12 00 e9 8e fe ff ff e8 2a 47 b5 ff <0f> 0b 49 c7 c4 ea ff ff ff e9 18 fe ff ff e8 17 47 b5 ff 48 89 ea [ 74.757523][ T7205] RSP: 0018:ffffc900020a7c48 EFLAGS: 00010293 [ 74.763725][ T7205] RAX: 0000000000000000 RBX: ffff88809e69d840 RCX: ffffffff81bf02e4 [ 74.771736][ T7205] RDX: ffff88809efb6540 RSI: ffffffff81bf0656 RDI: 0000000000000005 [ 74.779726][ T7205] RBP: ffffc90000e92000 R08: 0000000000000001 R09: ffffffff8c984587 [ 74.787737][ T7205] R10: 0000000000000000 R11: 0000000000000000 R12: 000000000008801c [ 74.795728][ T7205] R13: ffffc900020a7d08 R14: ffff88809e69d8c4 R15: 0000000000000002 [ 74.803712][ T7205] ? __kernel_read+0xa4/0x550 [ 74.808403][ T7205] ? __kernel_read+0x416/0x550 [ 74.813167][ T7205] ? __kernel_read+0x416/0x550 [ 74.817943][ T7205] kernel_read+0x52/0x70 [ 74.822222][ T7205] kernel_read_file+0x2e5/0x620 [ 74.827152][ T7205] ? free_bprm+0x2e0/0x2e0 [ 74.832153][ T7205] kernel_read_file_from_fd+0x56/0xa0 [ 74.837720][ T7205] __do_sys_finit_module+0xe6/0x190 [ 74.843047][ T7205] ? __do_sys_init_module+0x1f0/0x1f0 [ 74.848569][ T7205] ? lock_acquire+0x1f3/0xae0 [ 74.853295][ T7205] ? lock_is_held_type+0xbb/0xf0 [ 74.858249][ T7205] ? syscall_enter_from_user_mode+0x1d/0x60 [ 74.864176][ T7205] ? check_preemption_disabled+0x50/0x130 [ 74.869933][ T7205] ? syscall_enter_from_user_mode+0x1d/0x60 [ 74.875833][ T7205] do_syscall_64+0x2d/0x70 [ 74.880281][ T7205] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.886167][ T7205] RIP: 0033:0x44b6a9 [ 74.890061][ T7205] Code: e8 0c d3 02 00 48 83 c4 18 c3 0f 1f 80 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 0f 83 3b ca fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 74.909734][ T7205] RSP: 002b:00007fde91f68db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 74.919055][ T7205] RAX: ffffffffffffffda RBX: 00000000006dcc68 RCX: 000000000044b6a9 [ 74.927023][ T7205] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 74.935199][ T7205] RBP: 00000000006dcc60 R08: 00007fde91f69700 R09: 0000000000000000 [ 74.943319][ T7205] R10: 00007fde91f69700 R11: 0000000000000246 R12: 00000000006dcc6c [ 74.951471][ T7205] R13: 00007ffc3806423f R14: 00007fde91f699c0 R15: 00000000006dcc6c [ 74.960776][ T7205] Kernel Offset: disabled [ 74.965227][ T7205] Rebooting in 86400 seconds..