./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor31370597
<...>
syzkaller
syzkaller login: [ 61.045705][ T26] kauditd_printk_skb: 42 callbacks suppressed
[ 61.045722][ T26] audit: type=1400 audit(1686779215.675:77): avc: denied { transition } for pid=4844 comm="sshd" path="/bin/sh" dev="sda1" ino=89 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 61.074307][ T26] audit: type=1400 audit(1686779215.695:78): avc: denied { noatsecure } for pid=4844 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 61.093895][ T26] audit: type=1400 audit(1686779215.715:79): avc: denied { write } for pid=4844 comm="sh" path="pipe:[29304]" dev="pipefs" ino=29304 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[ 61.119656][ T26] audit: type=1400 audit(1686779215.715:80): avc: denied { rlimitinh } for pid=4844 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 61.144360][ T26] audit: type=1400 audit(1686779215.715:81): avc: denied { siginh } for pid=4844 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 61.737846][ T26] audit: type=1400 audit(1686779216.375:82): avc: denied { read } for pid=4428 comm="syslogd" name="log" dev="sda1" ino=1915 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1
Warning: Permanently added '10.128.1.114' (ECDSA) to the list of known hosts.
execve("./syz-executor31370597", ["./syz-executor31370597"], 0x7ffcaf179ec0 /* 10 vars */) = 0
brk(NULL) = 0x555555e93000
brk(0x555555e93c40) = 0x555555e93c40
arch_prctl(ARCH_SET_FS, 0x555555e93300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor31370597", 4096) = 26
brk(0x555555eb4c40) = 0x555555eb4c40
brk(0x555555eb5000) = 0x555555eb5000
mprotect(0x7ffb0cbb5000, 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
openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
[ 81.428224][ T26] audit: type=1400 audit(1686779236.065:83): avc: denied { write } for pid=4993 comm="strace-static-x" path="pipe:[29411]" dev="pipefs" ino=29411 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3
write(3, "0", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e935d0) = 4997
./strace-static-x86_64: Process 4997 attached
[pid 4997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[ 81.456760][ T26] audit: type=1400 audit(1686779236.095:84): avc: denied { append } for pid=4428 comm="syslogd" name="messages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[ 81.480720][ T26] audit: type=1400 audit(1686779236.095:85): avc: denied { open } for pid=4428 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[ 81.505520][ T26] audit: type=1400 audit(1686779236.095:86): avc: denied { getattr } for pid=4428 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[pid 4997] setpgid(0, 0) = 0
[pid 4997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 4997] write(3, "1000", 4) = 4
[pid 4997] close(3) = 0
[ 81.529312][ T26] audit: type=1400 audit(1686779236.105:87): avc: denied { execmem } for pid=4996 comm="syz-executor313" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 81.550062][ T26] audit: type=1400 audit(1686779236.115:88): avc: denied { read write } for pid=4996 comm="syz-executor313" name="loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[pid 4997] memfd_create("syzkaller", 0) = 3
[pid 4997] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ffb046f5000
[ 81.553583][ T4997] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4997 'syz-executor313'
[ 81.575536][ T26] audit: type=1400 audit(1686779236.115:89): avc: denied { open } for pid=4996 comm="syz-executor313" path="/dev/loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 81.609277][ T26] audit: type=1400 audit(1686779236.125:90): avc: denied { ioctl } for pid=4996 comm="syz-executor313" path="/dev/loop0" dev="devtmpfs" ino=648 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[pid 4997] 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"..., 16777216) = 16777216
[pid 4997] munmap(0x7ffb046f5000, 16777216) = 0
[pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 4997] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 4997] close(3) = 0
[pid 4997] mkdir("./file0", 0777) = 0
[ 81.835489][ T4997] loop0: detected capacity change from 0 to 32768
[ 81.847111][ T26] audit: type=1400 audit(1686779236.485:91): avc: denied { mounton } for pid=4997 comm="syz-executor313" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 81.873973][ T4997] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor313 (4997)
[ 81.896720][ T4997] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[ 81.905620][ T4997] BTRFS info (device loop0): using free space tree
[pid 4997] mount("/dev/loop0", "./file0", "btrfs", 0, "") = 0
[pid 4997] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 4997] chdir("./file0") = 0
[pid 4997] ioctl(4, LOOP_CLR_FD) = 0
[pid 4997] close(4) = 0
[pid 4997] creat("./bus", 000) = 4
[pid 4997] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 5
[pid 4997] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6
[ 81.931638][ T4997] BTRFS info (device loop0): enabling ssd optimizations
[ 81.938769][ T4997] BTRFS info (device loop0): auto enabling async discard
[ 81.952090][ T26] audit: type=1400 audit(1686779236.585:92): avc: denied { mount } for pid=4997 comm="syz-executor313" name="/" dev="loop0" ino=256 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[pid 4997] ioctl(6, BTRFS_IOC_QUOTA_CTL, {cmd=BTRFS_QUOTA_CTL_ENABLE}) = 0
[pid 4997] fallocate(4, 0, 0, 2622468) = 0
[pid 4997] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 7
[pid 4997] write(7, "4", 1) = 1
[ 82.081706][ T4997] FAULT_INJECTION: forcing a failure.
[ 82.081706][ T4997] name failslab, interval 1, probability 0, space 0, times 1
[ 82.084510][ T40] BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared)
[ 82.094873][ T4997] CPU: 0 PID: 4997 Comm: syz-executor313 Not tainted 6.4.0-rc6-syzkaller-00037-gb6dad5178cea #0
[ 82.114329][ T4997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
[ 82.124417][ T4997] Call Trace:
[ 82.127740][ T4997]
[ 82.130722][ T4997] dump_stack_lvl+0x136/0x150
[ 82.135497][ T4997] should_fail_ex+0x4a3/0x5b0
[ 82.140257][ T4997] should_failslab+0x9/0x20
[ 82.144825][ T4997] __kmem_cache_alloc_node+0x5b/0x3f0
[ 82.150252][ T4997] ? lock_acquire+0x1f5/0x520
[ 82.154993][ T4997] kmalloc_trace+0x26/0xe0
[ 82.159471][ T4997] ulist_add_merge.part.0+0x85/0x4b0
[ 82.164839][ T4997] ulist_add+0x106/0x160
[ 82.169138][ T4997] set_state_bits.isra.0+0x11f/0x1c0
[ 82.174508][ T4997] __set_extent_bit+0x3ec/0x15f0
[ 82.179501][ T4997] ? mark_held_locks+0x9f/0xe0
[ 82.184339][ T4997] set_record_extent_bits+0x5c/0x90
[ 82.189592][ T4997] qgroup_reserve_data+0x233/0xa80
[ 82.194769][ T4997] ? fault_in_readable+0x170/0x210
[ 82.199961][ T4997] btrfs_qgroup_reserve_data+0x2f/0xd0
[ 82.205568][ T4997] btrfs_check_data_free_space+0x111/0x280
[ 82.211438][ T4997] btrfs_buffered_write+0x519/0x1380
[ 82.216814][ T4997] ? ktime_get_coarse_real_ts64+0x1bb/0x200
[ 82.222783][ T4997] ? lockdep_hardirqs_on+0x7d/0x100
[ 82.228047][ T4997] ? btrfs_check_nocow_lock+0x3c0/0x3c0
[ 82.233664][ T4997] ? __up_read+0x1fe/0x750
[ 82.238135][ T4997] ? up_write+0x520/0x520
[ 82.242527][ T4997] btrfs_do_write_iter+0xef0/0x1470
[ 82.247806][ T4997] ? btrfs_fdatawrite_range+0x110/0x110
[ 82.253423][ T4997] vfs_write+0x945/0xd50
[ 82.257728][ T4997] ? kernel_write+0x670/0x670
[ 82.262554][ T4997] ? recalc_sigpending_tsk+0x18b/0x1d0
[ 82.268088][ T4997] ? find_held_lock+0x2d/0x110
[ 82.273260][ T4997] ? lock_downgrade+0x690/0x690
[ 82.278189][ T4997] ? __fget_light+0x20a/0x270
[ 82.282928][ T4997] ksys_write+0x12b/0x250
[ 82.287324][ T4997] ? __ia32_sys_read+0xb0/0xb0
[ 82.292147][ T4997] ? lockdep_hardirqs_on+0x7d/0x100
[ 82.297499][ T4997] ? _raw_spin_unlock_irq+0x2e/0x50
[ 82.302772][ T4997] ? ptrace_notify+0xfe/0x140
[ 82.307510][ T4997] do_syscall_64+0x39/0xb0
[ 82.311985][ T4997] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 82.317978][ T4997] RIP: 0033:0x7ffb0cb42619
[ 82.322523][ T4997] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 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 c0 ff ff ff f7 d8 64 89 01 48
[ 82.342191][ T4997] RSP: 002b:00007fffa75ce538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 82.350664][ T4997] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ffb0cb42619
[ 82.358687][ T4997] RDX: 0000000000000049 RSI: 0000000020000180 RDI: 0000000000000005
[ 82.366700][ T4997] RBP: 00007fffa75ce550 R08: 0000000000000001 R09: 000000000000000d
[ 82.374689][ T4997] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007
[ 82.382692][ T4997] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000
[ 82.390724][ T4997]
[ 82.394493][ T4997] ------------[ cut here ]------------
[ 82.400055][ T4997] kernel BUG at fs/btrfs/extent-io-tree.c:379!
[ 82.406279][ T4997] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[ 82.412356][ T4997] CPU: 0 PID: 4997 Comm: syz-executor313 Not tainted 6.4.0-rc6-syzkaller-00037-gb6dad5178cea #0
[ 82.422800][ T4997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
[ 82.433150][ T4997] RIP: 0010:set_state_bits.isra.0+0x17b/0x1c0
[ 82.439260][ T4997] Code: 38 d0 7c 04 84 d2 75 31 44 8b 73 7c e8 3e 6f f8 fd 44 89 e0 44 09 f0 89 43 7c 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 25 6f f8 fd <0f> 0b 4c 89 ef e8 fb 42 4a fe e9 e6 fe ff ff 4c 89 ef e8 ee 42 4a
[ 82.458894][ T4997] RSP: 0018:ffffc9000334f850 EFLAGS: 00010293
[ 82.464989][ T4997] RAX: 0000000000000000 RBX: ffff88802c6d83c0 RCX: 0000000000000000
[ 82.472979][ T4997] RDX: ffff88807a55e100 RSI: ffffffff838af88b RDI: 0000000000000005
[ 82.480986][ T4997] RBP: 00000000fffffff4 R08: 0000000000000005 R09: 0000000000000000
[ 82.488966][ T4997] R10: 00000000fffffff4 R11: 0000000000000001 R12: 0000000000000800
[ 82.496951][ T4997] R13: ffff88802c6d843c R14: 0000000000000fff R15: 0000000000000000
[ 82.504937][ T4997] FS: 0000555555e93300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 82.513900][ T4997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 82.520609][ T4997] CR2: 00007f7dd3df44a8 CR3: 0000000028a11000 CR4: 00000000003506f0
[ 82.528613][ T4997] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 82.536597][ T4997] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 82.544582][ T4997] Call Trace:
[ 82.547873][ T4997]
[ 82.550845][ T4997] ? die+0x32/0x90
[ 82.554595][ T4997] ? do_trap+0x1b2/0x3f0
[ 82.558863][ T4997] ? set_state_bits.isra.0+0x17b/0x1c0
[ 82.564450][ T4997] ? set_state_bits.isra.0+0x17b/0x1c0
[ 82.569974][ T4997] ? do_error_trap+0xb1/0x170
[ 82.574669][ T4997] ? set_state_bits.isra.0+0x17b/0x1c0
[ 82.580174][ T4997] ? handle_invalid_op+0x2c/0x30
[ 82.585126][ T4997] ? set_state_bits.isra.0+0x17b/0x1c0
[ 82.590608][ T4997] ? exc_invalid_op+0x2f/0x50
[ 82.595307][ T4997] ? asm_exc_invalid_op+0x1a/0x20
[ 82.600362][ T4997] ? set_state_bits.isra.0+0x17b/0x1c0
[ 82.605845][ T4997] ? set_state_bits.isra.0+0x17b/0x1c0
[ 82.611332][ T4997] __set_extent_bit+0x3ec/0x15f0
[ 82.616291][ T4997] ? mark_held_locks+0x9f/0xe0
[ 82.621083][ T4997] set_record_extent_bits+0x5c/0x90
[ 82.626294][ T4997] qgroup_reserve_data+0x233/0xa80
[ 82.631416][ T4997] ? fault_in_readable+0x170/0x210
[ 82.636548][ T4997] btrfs_qgroup_reserve_data+0x2f/0xd0
[ 82.642033][ T4997] btrfs_check_data_free_space+0x111/0x280
[ 82.647864][ T4997] btrfs_buffered_write+0x519/0x1380
[ 82.653275][ T4997] ? ktime_get_coarse_real_ts64+0x1bb/0x200
[ 82.659216][ T4997] ? lockdep_hardirqs_on+0x7d/0x100
[ 82.664437][ T4997] ? btrfs_check_nocow_lock+0x3c0/0x3c0
[ 82.670007][ T4997] ? __up_read+0x1fe/0x750
[ 82.674435][ T4997] ? up_write+0x520/0x520
[ 82.678784][ T4997] btrfs_do_write_iter+0xef0/0x1470
[ 82.684026][ T4997] ? btrfs_fdatawrite_range+0x110/0x110
[ 82.689598][ T4997] vfs_write+0x945/0xd50
[ 82.693865][ T4997] ? kernel_write+0x670/0x670
[ 82.698567][ T4997] ? recalc_sigpending_tsk+0x18b/0x1d0
[ 82.704051][ T4997] ? find_held_lock+0x2d/0x110
[ 82.708828][ T4997] ? lock_downgrade+0x690/0x690
[ 82.713722][ T4997] ? __fget_light+0x20a/0x270
[ 82.718415][ T4997] ksys_write+0x12b/0x250
[ 82.722759][ T4997] ? __ia32_sys_read+0xb0/0xb0
[ 82.727543][ T4997] ? lockdep_hardirqs_on+0x7d/0x100
[ 82.732763][ T4997] ? _raw_spin_unlock_irq+0x2e/0x50
[ 82.737985][ T4997] ? ptrace_notify+0xfe/0x140
[ 82.742728][ T4997] do_syscall_64+0x39/0xb0
[ 82.747156][ T4997] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 82.753076][ T4997] RIP: 0033:0x7ffb0cb42619
[ 82.757496][ T4997] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 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 c0 ff ff ff f7 d8 64 89 01 48
[ 82.777213][ T4997] RSP: 002b:00007fffa75ce538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 82.785667][ T4997] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ffb0cb42619
[ 82.793666][ T4997] RDX: 0000000000000049 RSI: 0000000020000180 RDI: 0000000000000005
[ 82.801794][ T4997] RBP: 00007fffa75ce550 R08: 0000000000000001 R09: 000000000000000d
[ 82.809781][ T4997] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007
[ 82.817791][ T4997] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000
[ 82.825798][ T4997]
[ 82.828822][ T4997] Modules linked in:
[ 82.832805][ T4997] ---[ end trace 0000000000000000 ]---
[ 82.838318][ T4997] RIP: 0010:set_state_bits.isra.0+0x17b/0x1c0
[ 82.844452][ T4997] Code: 38 d0 7c 04 84 d2 75 31 44 8b 73 7c e8 3e 6f f8 fd 44 89 e0 44 09 f0 89 43 7c 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 25 6f f8 fd <0f> 0b 4c 89 ef e8 fb 42 4a fe e9 e6 fe ff ff 4c 89 ef e8 ee 42 4a
[ 82.864135][ T4997] RSP: 0018:ffffc9000334f850 EFLAGS: 00010293
[ 82.870281][ T4997] RAX: 0000000000000000 RBX: ffff88802c6d83c0 RCX: 0000000000000000
[ 82.878323][ T4997] RDX: ffff88807a55e100 RSI: ffffffff838af88b RDI: 0000000000000005
[ 82.886444][ T4997] RBP: 00000000fffffff4 R08: 0000000000000005 R09: 0000000000000000
[ 82.894458][ T4997] R10: 00000000fffffff4 R11: 0000000000000001 R12: 0000000000000800
[ 82.902520][ T4997] R13: ffff88802c6d843c R14: 0000000000000fff R15: 0000000000000000
[ 82.910566][ T4997] FS: 0000555555e93300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 82.919573][ T4997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 82.926240][ T4997] CR2: 00007f7dd3df44a8 CR3: 0000000028a11000 CR4: 00000000003506f0
[ 82.934254][ T4997] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 82.942292][ T4997] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 82.950319][ T4997] Kernel panic - not syncing: Fatal exception
[ 82.956679][ T4997] Kernel Offset: disabled
[ 82.961014][ T4997] Rebooting in 86400 seconds..