[ 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... [ 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 '10.128.1.115' (ECDSA) to the list of known hosts. 2021/05/01 01:08:17 fuzzer started 2021/05/01 01:08:17 dialing manager at 10.128.0.169:44661 2021/05/01 01:08:18 syscalls: 3571 2021/05/01 01:08:18 code coverage: enabled 2021/05/01 01:08:18 comparison tracing: enabled 2021/05/01 01:08:18 extra coverage: enabled 2021/05/01 01:08:18 setuid sandbox: enabled 2021/05/01 01:08:18 namespace sandbox: enabled 2021/05/01 01:08:18 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/01 01:08:18 fault injection: enabled 2021/05/01 01:08:18 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/01 01:08:18 net packet injection: enabled 2021/05/01 01:08:18 net device setup: enabled 2021/05/01 01:08:18 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/01 01:08:18 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/01 01:08:18 USB emulation: enabled 2021/05/01 01:08:18 hci packet injection: enabled 2021/05/01 01:08:18 wifi device emulation: enabled 2021/05/01 01:08:18 802.15.4 emulation: enabled 2021/05/01 01:08:18 fetching corpus: 0, signal 0/2000 (executing program) 2021/05/01 01:08:18 fetching corpus: 50, signal 48044/51796 (executing program) 2021/05/01 01:08:18 fetching corpus: 100, signal 81855/87222 (executing program) 2021/05/01 01:08:18 fetching corpus: 150, signal 108920/115823 (executing program) 2021/05/01 01:08:18 fetching corpus: 200, signal 128117/136477 (executing program) 2021/05/01 01:08:18 fetching corpus: 250, signal 143503/153314 (executing program) 2021/05/01 01:08:19 fetching corpus: 300, signal 160715/171870 (executing program) 2021/05/01 01:08:19 fetching corpus: 350, signal 171070/183595 (executing program) 2021/05/01 01:08:19 fetching corpus: 400, signal 184304/198035 (executing program) 2021/05/01 01:08:19 fetching corpus: 450, signal 195754/210672 (executing program) 2021/05/01 01:08:19 fetching corpus: 500, signal 202495/218708 (executing program) 2021/05/01 01:08:19 fetching corpus: 550, signal 216769/234126 (executing program) syzkaller login: [ 73.969780][ T8454] general protection fault, probably for non-canonical address 0xdffffd0e1ffffd43: 0000 [#1] PREEMPT SMP KASAN [ 73.981671][ T8454] KASAN: probably user-memory-access in range [0x00000870ffffea18-0x00000870ffffea1f] [ 73.991430][ T8454] CPU: 1 PID: 8454 Comm: systemd-udevd Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 74.001472][ T8454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.012019][ T8454] RIP: 0010:tomoyo_check_acl+0xac/0x450 [ 74.018215][ T8454] Code: 00 0f 85 69 03 00 00 49 8b 5d 00 49 39 dd 0f 84 fa 01 00 00 e8 45 46 de fd 48 8d 7b 18 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 <0f> b6 04 28 38 d0 7f 08 84 c0 0f 85 f7 02 00 00 44 0f b6 73 18 31 [ 74.037827][ T8454] RSP: 0018:ffffc900016df758 EFLAGS: 00010246 [ 74.043900][ T8454] RAX: 0000010e1ffffd43 RBX: 00000870ffffea00 RCX: 0000000000000000 [ 74.052040][ T8454] RDX: 0000000000000000 RSI: ffffffff8396b32b RDI: 00000870ffffea18 [ 74.060012][ T8454] RBP: dffffc0000000000 R08: 00000000c9a9f717 R09: 0000000000000000 [ 74.067977][ T8454] R10: ffffffff8396b3d8 R11: 0000000000000000 R12: ffffc900016df850 [ 74.076371][ T8454] R13: ffff888015e7ac10 R14: 0000000000000000 R15: 0000000000000000 [ 74.084914][ T8454] FS: 00007fd343b6b8c0(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 74.094144][ T8454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.100784][ T8454] CR2: 00007fd342a6c06c CR3: 000000001592f000 CR4: 00000000001506e0 [ 74.108759][ T8454] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.116765][ T8454] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.124817][ T8454] Call Trace: [ 74.128271][ T8454] ? tomoyo_same_mount_acl+0x450/0x450 [ 74.133734][ T8454] tomoyo_path_permission+0x1ff/0x3a0 [ 74.139196][ T8454] tomoyo_check_open_permission+0x33e/0x380 [ 74.145096][ T8454] ? tomoyo_path_number_perm+0x590/0x590 [ 74.150830][ T8454] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 74.156835][ T8454] ? kernfs_iop_permission+0x76/0xb0 [ 74.162120][ T8454] ? path_get+0x5d/0x80 [ 74.166355][ T8454] ? lock_downgrade+0x6e0/0x6e0 [ 74.171350][ T8454] ? do_raw_spin_lock+0x120/0x2b0 [ 74.176634][ T8454] tomoyo_file_open+0xa3/0xd0 [ 74.181568][ T8454] security_file_open+0x52/0x4f0 [ 74.186515][ T8454] do_dentry_open+0x358/0x11b0 [ 74.191279][ T8454] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.197516][ T8454] ? may_open+0x1f6/0x420 [ 74.201839][ T8454] path_openat+0x1c09/0x27d0 [ 74.206452][ T8454] ? path_lookupat+0x850/0x850 [ 74.211328][ T8454] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 74.217317][ T8454] do_filp_open+0x190/0x3d0 [ 74.221819][ T8454] ? may_open_dev+0xf0/0xf0 [ 74.226383][ T8454] ? rwlock_bug.part.0+0x90/0x90 [ 74.231314][ T8454] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 74.238030][ T8454] ? _find_next_bit+0x1e3/0x260 [ 74.242911][ T8454] ? _raw_spin_unlock+0x24/0x40 [ 74.247777][ T8454] ? alloc_fd+0x2f0/0x670 [ 74.252111][ T8454] do_sys_openat2+0x16d/0x420 [ 74.256974][ T8454] ? build_open_flags+0x6f0/0x6f0 [ 74.262270][ T8454] ? __context_tracking_exit+0xb8/0xe0 [ 74.267742][ T8454] __x64_sys_open+0x119/0x1c0 [ 74.272519][ T8454] ? do_sys_open+0x140/0x140 [ 74.277257][ T8454] ? __secure_computing+0x104/0x360 [ 74.282471][ T8454] do_syscall_64+0x3a/0xb0 [ 74.286912][ T8454] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 74.292843][ T8454] RIP: 0033:0x7fd3429dd6f0 [ 74.297273][ T8454] Code: 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 19 30 2c 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 fe 9d 01 00 48 89 04 24 [ 74.316961][ T8454] RSP: 002b:00007ffd035c1a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 74.325374][ T8454] RAX: ffffffffffffffda RBX: 0000559a24fad7d0 RCX: 00007fd3429dd6f0 [ 74.333336][ T8454] RDX: 00000000000001b6 RSI: 0000000000080000 RDI: 00007ffd035c1bf0 [ 74.341324][ T8454] RBP: 0000000000000008 R08: 0000000000000008 R09: 0000000000000001 [ 74.349481][ T8454] R10: 0000000000080000 R11: 0000000000000246 R12: 0000559a2460068a [ 74.357550][ T8454] R13: 0000000000000001 R14: 0000559a24fbb920 R15: 00007ffd035c1c70 [ 74.365521][ T8454] Modules linked in: [ 74.370153][ T8454] ---[ end trace 94b0be81895bbb5b ]--- [ 74.375626][ T8454] RIP: 0010:tomoyo_check_acl+0xac/0x450 [ 74.391165][ T8454] Code: 00 0f 85 69 03 00 00 49 8b 5d 00 49 39 dd 0f 84 fa 01 00 00 e8 45 46 de fd 48 8d 7b 18 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 <0f> b6 04 28 38 d0 7f 08 84 c0 0f 85 f7 02 00 00 44 0f b6 73 18 31 [ 74.411855][ T8454] RSP: 0018:ffffc900016df758 EFLAGS: 00010246 [ 74.418311][ T8454] RAX: 0000010e1ffffd43 RBX: 00000870ffffea00 RCX: 0000000000000000 [ 74.426510][ T8454] RDX: 0000000000000000 RSI: ffffffff8396b32b RDI: 00000870ffffea18 [ 74.434668][ T8454] RBP: dffffc0000000000 R08: 00000000c9a9f717 R09: 0000000000000000 [ 74.442786][ T8454] R10: ffffffff8396b3d8 R11: 0000000000000000 R12: ffffc900016df850 [ 74.450938][ T8454] R13: ffff888015e7ac10 R14: 0000000000000000 R15: 0000000000000000 [ 74.459210][ T8454] FS: 00007fd343b6b8c0(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 74.468328][ T8454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.475201][ T8454] CR2: 000000c001c1c018 CR3: 000000001592f000 CR4: 00000000001506f0 [ 74.483384][ T8454] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.491667][ T8454] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.500134][ T8454] Kernel panic - not syncing: Fatal exception [ 74.507323][ T8454] Kernel Offset: disabled [ 74.512007][ T8454] Rebooting in 86400 seconds..