./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2672103914 <...> [ 11.866538][ T24] audit: type=1400 audit(1718945992.279:62): avc: denied { noatsecure } for pid=230 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 11.870228][ T24] audit: type=1400 audit(1718945992.279:63): avc: denied { write } for pid=230 comm="sh" path="pipe:[13769]" dev="pipefs" ino=13769 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 11.874484][ T24] audit: type=1400 audit(1718945992.279:64): avc: denied { rlimitinh } for pid=230 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 11.878777][ T24] audit: type=1400 audit(1718945992.279:65): avc: denied { siginh } for pid=230 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.0.184' (ED25519) to the list of known hosts. execve("./syz-executor2672103914", ["./syz-executor2672103914"], 0x7fff6dea56d0 /* 10 vars */) = 0 brk(NULL) = 0x555555845000 brk(0x555555845d40) = 0x555555845d40 arch_prctl(ARCH_SET_FS, 0x5555558453c0) = 0 set_tid_address(0x555555845690) = 299 set_robust_list(0x5555558456a0, 24) = 0 rseq(0x555555845ce0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2672103914", 4096) = 28 getrandom("\xc7\xd8\x20\x11\xee\xcd\x78\xda", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555845d40 brk(0x555555866d40) = 0x555555866d40 brk(0x555555867000) = 0x555555867000 mprotect(0x7fa99a6ee000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 write(1, "executing program\n", 18executing program ) = 18 futex(0x7fa99a6f46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7fa99a6906c0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa99a681d70}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa99a608000 mprotect(0x7fa99a609000, 131072, PROT_READ|PROT_WRITE) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa99a628990, parent_tid=0x7fa99a628990, exit_signal=0, stack=0x7fa99a608000, stack_size=0x20300, tls=0x7fa99a6286c0} => {parent_tid=[300]}, 88) = 300 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 300 attached [pid 299] futex(0x7fa99a6f46c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] set_robust_list(0x7fa99a6289a0, 24 [pid 299] <... futex resumed>) = 0 [pid 299] futex(0x7fa99a6f46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 300] <... set_robust_list resumed>) = 0 [pid 300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 300] memfd_create("syzkaller", 0) = 3 [pid 300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa992208000 [pid 300] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 300] munmap(0x7fa992208000, 138412032) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 300] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 300] close(3) = 0 [ 20.215452][ T24] audit: type=1400 audit(1718946000.629:66): avc: denied { execmem } for pid=299 comm="syz-executor267" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 20.224012][ T24] audit: type=1400 audit(1718946000.639:67): avc: denied { read write } for pid=299 comm="syz-executor267" name="loop0" dev="devtmpfs" ino=111 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 20.228206][ T24] audit: type=1400 audit(1718946000.639:68): avc: denied { open } for pid=299 comm="syz-executor267" path="/dev/loop0" dev="devtmpfs" ino=111 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 20.231966][ T24] audit: type=1400 audit(1718946000.649:69): avc: denied { ioctl } for pid=299 comm="syz-executor267" path="/dev/loop0" dev="devtmpfs" ino=111 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 300] close(4) = 0 [pid 300] mkdir("./bus", 0777) = 0 [ 20.277183][ T300] ====================================================== [ 20.277183][ T300] WARNING: the mand mount option is being deprecated and [ 20.277183][ T300] will be removed in v5.15! [ 20.277183][ T300] ====================================================== [ 20.277206][ T24] audit: type=1400 audit(1718946000.699:70): avc: denied { mounton } for pid=299 comm="syz-executor267" path="/root/bus" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 20.388956][ T300] EXT4-fs (loop0): Ignoring removed orlov option [ 20.395110][ T300] EXT4-fs (loop0): Ignoring removed nomblk_io_submit option [ 20.403471][ T300] EXT4-fs error (device loop0): ext4_orphan_get:1391: inode #17: comm syz-executor267: iget: bogus i_mode (0) [ 20.415097][ T300] EXT4-fs error (device loop0): ext4_orphan_get:1396: comm syz-executor267: couldn't read orphan inode 17 (err -117) [pid 300] mount("/dev/loop0", "./bus", "ext4", MS_SYNCHRONOUS|MS_MANDLOCK|MS_DIRSYNC|MS_REC|MS_RELATIME, "jqfmt=vfsv0,abort,barrier,barrier,orlov,nomblk_io_submit,,errors=continue") = 0 [pid 300] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 300] chdir("./bus") = 0 [pid 300] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 300] ioctl(4, LOOP_CLR_FD) = 0 [pid 300] close(4) = 0 [pid 300] futex(0x7fa99a6f46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 300] futex(0x7fa99a6f46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] <... futex resumed>) = 0 [pid 299] futex(0x7fa99a6f46c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 299] futex(0x7fa99a6f46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... futex resumed>) = 0 [pid 300] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 4 [pid 300] futex(0x7fa99a6f46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = 0 [pid 299] futex(0x7fa99a6f46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7fa99a6f46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... futex resumed>) = 1 [pid 300] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000004,rootmode=0000000000000000040000,user_id=00000000000000000000,group_id=00000000"...) = 0 [pid 300] futex(0x7fa99a6f46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = 0 [pid 299] futex(0x7fa99a6f46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7fa99a6f46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... futex resumed>) = 1 [pid 300] read(4, "\x38\x00\x00\x00\x1a\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x20\x00\x00\x00\x00\x00\x02\x00\xfb\xff\xff\x83", 8224) = 56 [pid 300] futex(0x7fa99a6f46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = 0 [pid 299] futex(0x7fa99a6f46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7fa99a6f46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... futex resumed>) = 1 [ 20.427292][ T300] EXT4-fs (loop0): mounted filesystem without journal. Opts: jqfmt=vfsv0,abort,barrier,barrier,orlov,nomblk_io_submit,,errors=continue [ 20.441309][ T24] audit: type=1400 audit(1718946000.859:71): avc: denied { mount } for pid=299 comm="syz-executor267" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 20.463028][ T24] audit: type=1400 audit(1718946000.859:72): avc: denied { read write } for pid=299 comm="syz-executor267" name="fuse" dev="devtmpfs" ino=90 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1 [pid 300] mknod("./file0/../file0/file0", 000 [pid 299] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 299] futex(0x7fa99a6f46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa99a5e7000 [pid 299] mprotect(0x7fa99a5e8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa99a607990, parent_tid=0x7fa99a607990, exit_signal=0, stack=0x7fa99a5e7000, stack_size=0x20300, tls=0x7fa99a6076c0} => {parent_tid=[304]}, 88) = 304 [pid 299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 299] futex(0x7fa99a6f46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7fa99a6f46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 304 attached [pid 304] set_robust_list(0x7fa99a6079a0, 24) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] write(4, "\x50\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x28\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 80) = 80 [pid 304] futex(0x7fa99a6f46dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = 0 [pid 299] futex(0x7fa99a6f46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7fa99a6f46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... futex resumed>) = 1 [pid 304] read(4, "\x2e\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8192) = 46 [ 20.486372][ T24] audit: type=1400 audit(1718946000.859:73): avc: denied { open } for pid=299 comm="syz-executor267" path="/dev/fuse" dev="devtmpfs" ino=90 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1 [ 20.509491][ T24] audit: type=1400 audit(1718946000.859:74): avc: denied { mounton } for pid=299 comm="syz-executor267" path="/root/bus/file0" dev="loop0" ino=12 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [pid 304] write(4, "\xa8\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 168) = 168 [pid 304] futex(0x7fa99a6f46dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = 0 [pid 304] <... futex resumed>) = 1 [ 20.532761][ T24] audit: type=1400 audit(1718946000.859:75): avc: denied { mount } for pid=299 comm="syz-executor267" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 20.535782][ T300] general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN [ 20.566151][ T300] KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] [ 20.574391][ T300] CPU: 0 PID: 300 Comm: syz-executor267 Not tainted 5.10.215-syzkaller-00370-gb58b8f9dad93 #0 [ 20.584456][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 20.594373][ T300] RIP: 0010:filename_create+0x225/0x750 [ 20.599732][ T300] Code: 89 e2 e8 9e 97 ff ff 49 89 c4 48 3d 01 f0 ff ff 72 07 e8 0e c3 b6 ff eb 5f 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 70 04 00 00 4c 89 64 24 30 45 8b 24 24 bb [ 20.619374][ T300] RSP: 0018:ffffc90000b37d00 EFLAGS: 00010206 [ 20.625289][ T300] RAX: 0000000000000003 RBX: ffff88811c8ac580 RCX: dffffc0000000000 [pid 304] futex(0x7fa99a6f46d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] exit_group(0) = ? [pid 304] <... futex resumed>) = ? [pid 304] +++ exited with 0 +++ [ 20.633253][ T300] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 20.641060][ T300] RBP: ffffc90000b37df0 R08: ffffffff81b682e8 R09: ffffed10239158b6 [ 20.649010][ T300] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000018 [ 20.656822][ T300] R13: 1ffff92000166fd1 R14: ffffc90000b37e88 R15: 1ffff92000166fd0 [ 20.664630][ T300] FS: 00007fa99a6286c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 20.673399][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.679823][ T300] CR2: 000000002000a000 CR3: 000000011f120000 CR4: 00000000003506b0 [ 20.687630][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 20.695437][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 20.703252][ T300] Call Trace: [ 20.706381][ T300] ? __die_body+0x62/0xb0 [ 20.710541][ T300] ? die_addr+0x9f/0xd0 [ 20.714534][ T300] ? exc_general_protection+0x3ff/0x490 [ 20.719917][ T300] ? asm_exc_general_protection+0x1e/0x30 [ 20.725482][ T300] ? fast_dput+0x78/0x2a0 [ 20.729640][ T300] ? filename_create+0x225/0x750 [ 20.734468][ T300] ? __check_object_size+0x2e6/0x3c0 [ 20.739541][ T300] ? kern_path_create+0x40/0x40 [ 20.744220][ T300] do_mknodat+0x187/0x450 [ 20.748392][ T300] ? may_open+0x3f0/0x3f0 [ 20.752549][ T300] ? fpu__clear_all+0x20/0x20 [ 20.757063][ T300] __x64_sys_mknod+0x80/0x90 [ 20.761490][ T300] do_syscall_64+0x34/0x70 [ 20.765742][ T300] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 20.771478][ T300] RIP: 0033:0x7fa99a66a869 [ 20.775740][ T300] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 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 b0 ff ff ff f7 d8 64 89 01 48 [ 20.795256][ T300] RSP: 002b:00007fa99a628218 EFLAGS: 00000246 ORIG_RAX: 0000000000000085 [ 20.803501][ T300] RAX: ffffffffffffffda RBX: 00007fa99a6f46c8 RCX: 00007fa99a66a869 [ 20.811305][ T300] RDX: 0000000000000700 RSI: 0000000000000000 RDI: 00000000200002c0 [ 20.819120][ T300] RBP: 00007fa99a6f46c0 R08: 0000000000000000 R09: 0000000000000000 [ 20.826930][ T300] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa99a6c1524 [ 20.835086][ T300] R13: 00007fa99a6c1540 R14: 00007fa99a6bf051 R15: 0030656c69662f30 [ 20.842886][ T300] Modules linked in: [ 20.846755][ T300] ---[ end trace 128c4afc1711ff13 ]--- [ 20.852029][ T300] RIP: 0010:filename_create+0x225/0x750 [ 20.857438][ T300] Code: 89 e2 e8 9e 97 ff ff 49 89 c4 48 3d 01 f0 ff ff 72 07 e8 0e c3 b6 ff eb 5f 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 70 04 00 00 4c 89 64 24 30 45 8b 24 24 bb [ 20.876855][ T300] RSP: 0018:ffffc90000b37d00 EFLAGS: 00010206 [ 20.882733][ T300] RAX: 0000000000000003 RBX: ffff88811c8ac580 RCX: dffffc0000000000 [ 20.890572][ T300] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 20.898407][ T300] RBP: ffffc90000b37df0 R08: ffffffff81b682e8 R09: ffffed10239158b6 [ 20.906291][ T300] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000018 [ 20.913995][ T300] R13: 1ffff92000166fd1 R14: ffffc90000b37e88 R15: 1ffff92000166fd0 [ 20.921878][ T300] FS: 00007fa99a6286c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 20.930606][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.937032][ T300] CR2: 000000002000a000 CR3: 000000011f120000 CR4: 00000000003506b0 [ 20.944798][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 20.952645][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 20.960449][ T300] Kernel panic - not syncing: Fatal exception [ 20.966528][ T300] Kernel Offset: disabled [ 20.970665][ T300] Rebooting in 86400 seconds..