Warning: Permanently added '10.128.0.166' (ECDSA) to the list of known hosts. 2020/08/17 08:02:02 fuzzer started 2020/08/17 08:02:02 dialing manager at 10.128.0.105:44347 2020/08/17 08:02:02 checking machine... 2020/08/17 08:02:02 checking revisions... 2020/08/17 08:02:02 testing simple program... 2020/08/17 08:02:02 building call list... [ 33.108187][ T8730] IPVS: ftp: loaded support on port[0] = 21 [ 33.182445][ T25] tipc: TX() has been purged, node left! [ 35.383164][ T8716] can: request_module (can-proto-0) failed. [ 35.392616][ T8716] can: request_module (can-proto-0) failed. [ 35.402151][ T8716] can: request_module (can-proto-0) failed. 2020/08/17 08:02:08 syscalls: 3272 2020/08/17 08:02:08 code coverage: enabled 2020/08/17 08:02:08 comparison tracing: enabled 2020/08/17 08:02:08 extra coverage: enabled 2020/08/17 08:02:08 setuid sandbox: enabled 2020/08/17 08:02:08 namespace sandbox: enabled 2020/08/17 08:02:08 Android sandbox: /sys/fs/selinux/policy does not exist 2020/08/17 08:02:08 fault injection: enabled 2020/08/17 08:02:08 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/08/17 08:02:08 net packet injection: enabled 2020/08/17 08:02:08 net device setup: enabled 2020/08/17 08:02:08 concurrency sanitizer: enabled 2020/08/17 08:02:08 devlink PCI setup: PCI device 0000:00:10.0 is not available 2020/08/17 08:02:08 USB emulation: enabled 2020/08/17 08:02:08 hci packet injection: enabled [ 39.942333][ T8714] ================================================================== [ 39.950445][ T8714] BUG: KCSAN: data-race in tomoyo_domain_quota_is_ok / tomoyo_merge_path_acl [ 39.959181][ T8714] [ 39.961498][ T8714] write to 0xffff888118d3d09a of 2 bytes by task 8761 on cpu 0: [ 39.969118][ T8714] tomoyo_merge_path_acl+0x4f/0x80 [ 39.974216][ T8714] tomoyo_update_domain+0x337/0x3a0 [ 39.979400][ T8714] tomoyo_write_file+0x210/0x910 [ 39.984327][ T8714] tomoyo_supervisor+0xac5/0xb30 [ 39.989248][ T8714] tomoyo_check_open_permission+0x2d0/0x370 [ 39.995130][ T8714] tomoyo_file_open+0xd0/0xe0 [ 39.999787][ T8714] security_file_open+0x3f/0x90 [ 40.004620][ T8714] do_dentry_open+0x22d/0x890 [ 40.009287][ T8714] vfs_open+0x43/0x50 [ 40.013252][ T8714] path_openat+0x1844/0x20a0 [ 40.017827][ T8714] do_filp_open+0xbd/0x1d0 [ 40.022237][ T8714] do_sys_openat2+0x33b/0x500 [ 40.026907][ T8714] __x64_sys_openat+0xef/0x110 [ 40.031657][ T8714] do_syscall_64+0x39/0x80 [ 40.036063][ T8714] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.041932][ T8714] [ 40.044249][ T8714] read to 0xffff888118d3d09a of 2 bytes by task 8714 on cpu 1: [ 40.051784][ T8714] tomoyo_domain_quota_is_ok+0xd7/0x2d0 [ 40.057313][ T8714] tomoyo_supervisor+0x1f4/0xb30 [ 40.062239][ T8714] tomoyo_path_number_perm+0x227/0x2d0 [ 40.067679][ T8714] tomoyo_path_chmod+0x23/0x30 [ 40.072430][ T8714] security_path_chmod+0x92/0xe0 [ 40.077349][ T8714] chmod_common+0xe6/0x280 [ 40.081748][ T8714] __x64_sys_fchmodat+0x9b/0x120 [ 40.086668][ T8714] do_syscall_64+0x39/0x80 [ 40.091067][ T8714] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.096931][ T8714] [ 40.099240][ T8714] Reported by Kernel Concurrency Sanitizer on: [ 40.105380][ T8714] CPU: 1 PID: 8714 Comm: syz-fuzzer Not tainted 5.9.0-rc1-syzkaller #0 [ 40.113597][ T8714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.123630][ T8714] ================================================================== [ 40.131669][ T8714] Kernel panic - not syncing: panic_on_warn set ... [ 40.138240][ T8714] CPU: 1 PID: 8714 Comm: syz-fuzzer Not tainted 5.9.0-rc1-syzkaller #0 [ 40.146458][ T8714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.156488][ T8714] Call Trace: [ 40.159763][ T8714] dump_stack+0x10f/0x19d [ 40.164078][ T8714] panic+0x207/0x64a [ 40.167962][ T8714] ? vprintk_emit+0x44a/0x4f0 [ 40.172625][ T8714] kcsan_report+0x684/0x690 [ 40.177116][ T8714] ? kcsan_setup_watchpoint+0x41e/0x4a0 [ 40.182647][ T8714] ? tomoyo_domain_quota_is_ok+0xd7/0x2d0 [ 40.188356][ T8714] ? tomoyo_supervisor+0x1f4/0xb30 [ 40.193452][ T8714] ? tomoyo_path_number_perm+0x227/0x2d0 [ 40.199063][ T8714] ? tomoyo_path_chmod+0x23/0x30 [ 40.203981][ T8714] ? security_path_chmod+0x92/0xe0 [ 40.209073][ T8714] ? chmod_common+0xe6/0x280 [ 40.213652][ T8714] ? __x64_sys_fchmodat+0x9b/0x120 [ 40.218744][ T8714] ? do_syscall_64+0x39/0x80 [ 40.223323][ T8714] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.229380][ T8714] ? tomoyo_profile+0x17/0x30 [ 40.234037][ T8714] ? tomoyo_profile+0x17/0x30 [ 40.238701][ T8714] kcsan_setup_watchpoint+0x41e/0x4a0 [ 40.244058][ T8714] ? tomoyo_profile+0x17/0x30 [ 40.248723][ T8714] tomoyo_domain_quota_is_ok+0xd7/0x2d0 [ 40.254261][ T8714] tomoyo_supervisor+0x1f4/0xb30 [ 40.259182][ T8714] ? snprintf+0x6f/0x90 [ 40.263327][ T8714] tomoyo_path_number_perm+0x227/0x2d0 [ 40.268778][ T8714] ? filename_lookup+0x2b6/0x380 [ 40.273702][ T8714] tomoyo_path_chmod+0x23/0x30 [ 40.278453][ T8714] security_path_chmod+0x92/0xe0 [ 40.283381][ T8714] chmod_common+0xe6/0x280 [ 40.287783][ T8714] __x64_sys_fchmodat+0x9b/0x120 [ 40.292703][ T8714] do_syscall_64+0x39/0x80 [ 40.297107][ T8714] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.302979][ T8714] RIP: 0033:0x4b3cdb [ 40.306861][ T8714] Code: ff e9 69 ff ff ff cc cc cc cc cc cc cc cc cc e8 bb a1 f8 ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30 [ 40.326451][ T8714] RSP: 002b:000000c000107878 EFLAGS: 00000212 ORIG_RAX: 000000000000010c [ 40.334852][ T8714] RAX: ffffffffffffffda RBX: 000000c00002c000 RCX: 00000000004b3cdb [ 40.342898][ T8714] RDX: 00000000000001ff RSI: 000000c000124030 RDI: ffffffffffffff9c [ 40.350857][ T8714] RBP: 000000c0001078d0 R08: 0000000000873c01 R09: 0000000000000001 [ 40.358819][ T8714] R10: 000000c000124030 R11: 0000000000000212 R12: 0000000000000040 [ 40.366774][ T8714] R13: 0000000000000040 R14: 0000000000ad86d0 R15: 0000000000000000 [ 40.375863][ T8714] Kernel Offset: disabled [ 40.380170][ T8714] Rebooting in 86400 seconds..