Messages in this thread | | | Date | Wed, 27 Feb 2019 09:02:05 -0800 | Subject | kernel panic: MAC Initialization failed. | From | syzbot <> |
| |
Hello,
syzbot found the following crash on:
HEAD commit: 7b827ff9af88 Add linux-next specific files for 20190227 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=15336f14c00000 kernel config: https://syzkaller.appspot.com/x/.config?x=5fa6b8975759dcc5 dashboard link: https://syzkaller.appspot.com/bug?extid=e1b8084e532b6ee7afab compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17ee708ac00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16954084c00000
IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+e1b8084e532b6ee7afab@syzkaller.appspotmail.com
do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441059 Code: e8 0c ad 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffcf60be0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000142 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441059 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007ffcf60be0d0 R08: 0000000000001000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 ERROR: Out of memory at tomoyo_realpath_from_path. Kernel panic - not syncing: MAC Initialization failed. CPU: 0 PID: 9747 Comm: syz-executor533 Not tainted 5.0.0-rc8-next-20190227 #44 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 panic+0x2cb/0x65c kernel/panic.c:214 tomoyo_warn_oom.cold+0x35/0x43 security/tomoyo/memory.c:28 tomoyo_realpath_from_path+0x3a8/0x730 security/tomoyo/realpath.c:320 tomoyo_realpath_nofollow+0xc8/0xdb security/tomoyo/realpath.c:336 tomoyo_find_next_domain+0x28c/0x1f8a security/tomoyo/domain.c:725 tomoyo_bprm_check_security security/tomoyo/tomoyo.c:107 [inline] tomoyo_bprm_check_security+0x12a/0x1b0 security/tomoyo/tomoyo.c:97 security_bprm_check+0x69/0xb0 security/security.c:751 search_binary_handler+0x77/0x570 fs/exec.c:1644 exec_binprm fs/exec.c:1698 [inline] __do_execve_file.isra.0+0x1394/0x23f0 fs/exec.c:1818 do_execveat_common fs/exec.c:1865 [inline] do_execveat fs/exec.c:1893 [inline] __do_sys_execveat fs/exec.c:1969 [inline] __se_sys_execveat fs/exec.c:1961 [inline] __x64_sys_execveat+0xed/0x130 fs/exec.c:1961 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441059 Code: e8 0c ad 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffcf60be0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000142 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441059 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007ffcf60be0d0 R08: 0000000000001000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..
--- This bug is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#bug-status-tracking for how to communicate with syzbot. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches
| |