Extracting prog: 1m16.778829639s
Minimizing prog: 4m7.47134824s
Simplifying prog options: 0s
Extracting C: 34.974197863s
Simplifying C: 5m9.825734613s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800700, &(0x7f0000000000)={[{@journal_ioprio={'journal_ioprio', 0x3d, 0x5}}, {@journal_dev={'journal_dev', 0x3d, 0x8000}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@minixdf}, {@resgid}, {@nombcache}, {@mblk_io_submit}]}, 0x3, 0x44a, &(0x7f0000000400)="$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")
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000200), 0x0, 0x0)

program crashed: kernel BUG in may_delete
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=31.358154207s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800700, &(0x7f0000000000)={[{@journal_ioprio={'journal_ioprio', 0x3d, 0x5}}, {@journal_dev={'journal_dev', 0x3d, 0x8000}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@minixdf}, {@resgid}, {@nombcache}, {@mblk_io_submit}]}, 0x3, 0x44a, &(0x7f0000000400)="$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")

program did not crash
testing program (duration=31.358154207s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount$incfs
detailed listing:
executing program 0:
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000200), 0x0, 0x0)

program did not crash
testing program (duration=31.358154207s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800700, &(0x7f0000000000)={[{@journal_ioprio={'journal_ioprio', 0x3d, 0x5}}, {@journal_dev={'journal_dev', 0x3d, 0x8000}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@minixdf}, {@resgid}, {@nombcache}, {@mblk_io_submit}]}, 0x3, 0x44a, &(0x7f0000000400)="$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")
mount$incfs(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000200), 0x0, 0x0)

program did not crash
testing program (duration=31.358154207s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800700, &(0x7f0000000000)={[{@journal_ioprio={'journal_ioprio', 0x3d, 0x5}}, {@journal_dev={'journal_dev', 0x3d, 0x8000}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@minixdf}, {@resgid}, {@nombcache}, {@mblk_io_submit}]}, 0x3, 0x44a, &(0x7f0000000400)="$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")
mount$incfs(&(0x7f0000000140)='./file0\x00', 0x0, &(0x7f0000000200), 0x0, 0x0)

program did not crash
testing program (duration=31.358154207s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800700, &(0x7f0000000000)={[{@journal_ioprio={'journal_ioprio', 0x3d, 0x5}}, {@journal_dev={'journal_dev', 0x3d, 0x8000}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@minixdf}, {@resgid}, {@nombcache}, {@mblk_io_submit}]}, 0x3, 0x44a, &(0x7f0000000400)="$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")
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=31.358154207s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
program crashed: kernel BUG in may_delete
simplifying C reproducer
testing compiled C program (duration=31.358154207s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
program crashed: kernel BUG in may_delete
testing compiled C program (duration=31.358154207s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
program did not crash
testing compiled C program (duration=31.358154207s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
program crashed: kernel BUG in may_delete
testing compiled C program (duration=31.358154207s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
program crashed: kernel BUG in may_delete
testing compiled C program (duration=31.358154207s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
program did not crash
testing compiled C program (duration=31.358154207s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
program crashed: kernel BUG in may_delete
testing compiled C program (duration=31.358154207s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
program crashed: kernel BUG in may_delete
reproducing took 11m9.050140825s
repro crashed as (corrupted=false):
EXT4-fs error (device loop0): htree_dirblock_to_tree:1112: inode #2: block 13: comm syz-executor189: bad entry in directory: rec_len is smaller than minimal - offset=76, inode=0, rec_len=0, size=1024 fake=0
------------[ cut here ]------------
kernel BUG at fs/namei.c:2933!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 286 Comm: syz-executor189 Not tainted 5.15.173-syzkaller-00161-gb4bd207b0380 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:may_delete+0x6eb/0x6f0 fs/namei.c:2933
Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 7f fe ff ff 4c 89 e7 e8 c6 6f f4 ff e9 72 fe ff ff e8 ac 17 b2 ff 0f 0b e8 a5 17 b2 ff <0f> 0b 0f 1f 00 55 48 89 e5 41 56 53 48 89 fb e8 91 17 b2 ff 4c 8d
RSP: 0018:ffffc9000075fc70 EFLAGS: 00010293
RAX: ffffffff81be4f0b RBX: ffff888109812470 RCX: ffff88810cd8a780
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc9000075fcd8 R08: ffffffff81be489f R09: 0000000000000003
R10: fffff520000ebf70 R11: dffffc0000000001 R12: ffff888120630220
R13: 1ffff110240c6044 R14: ffff88810993e4b0 R15: dffffc0000000000
FS:  000055558bb4f380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e483282001 CR3: 000000011d6b4000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vfs_rmdir+0x32/0x470 fs/namei.c:4130
 incfs_kill_sb+0x113/0x230 fs/incfs/vfs.c:1989
 deactivate_locked_super+0xad/0x110 fs/super.c:335
 deactivate_super+0xbe/0xf0 fs/super.c:366
 cleanup_mnt+0x45c/0x510 fs/namespace.c:1143
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1150
 task_work_run+0x129/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xc4/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f0c429f6507
Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffd1f745ca8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f0c429f6507
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd1f745d60
RBP: 00007ffd1f745d60 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffd1f746e50
R13: 000055558bb58700 R14: 431bde82d7b634db R15: 00007ffd1f747ee0
 </TASK>
Modules linked in:
---[ end trace e414394b17ab0dd4 ]---
RIP: 0010:may_delete+0x6eb/0x6f0 fs/namei.c:2933
Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 7f fe ff ff 4c 89 e7 e8 c6 6f f4 ff e9 72 fe ff ff e8 ac 17 b2 ff 0f 0b e8 a5 17 b2 ff <0f> 0b 0f 1f 00 55 48 89 e5 41 56 53 48 89 fb e8 91 17 b2 ff 4c 8d
RSP: 0018:ffffc9000075fc70 EFLAGS: 00010293
RAX: ffffffff81be4f0b RBX: ffff888109812470 RCX: ffff88810cd8a780
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc9000075fcd8 R08: ffffffff81be489f R09: 0000000000000003
R10: fffff520000ebf70 R11: dffffc0000000001 R12: ffff888120630220
R13: 1ffff110240c6044 R14: ffff88810993e4b0 R15: dffffc0000000000
FS:  000055558bb4f380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e483282001 CR3: 000000011d6b4000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

final repro crashed as (corrupted=false):
EXT4-fs error (device loop0): htree_dirblock_to_tree:1112: inode #2: block 13: comm syz-executor189: bad entry in directory: rec_len is smaller than minimal - offset=76, inode=0, rec_len=0, size=1024 fake=0
------------[ cut here ]------------
kernel BUG at fs/namei.c:2933!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 286 Comm: syz-executor189 Not tainted 5.15.173-syzkaller-00161-gb4bd207b0380 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:may_delete+0x6eb/0x6f0 fs/namei.c:2933
Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 7f fe ff ff 4c 89 e7 e8 c6 6f f4 ff e9 72 fe ff ff e8 ac 17 b2 ff 0f 0b e8 a5 17 b2 ff <0f> 0b 0f 1f 00 55 48 89 e5 41 56 53 48 89 fb e8 91 17 b2 ff 4c 8d
RSP: 0018:ffffc9000075fc70 EFLAGS: 00010293
RAX: ffffffff81be4f0b RBX: ffff888109812470 RCX: ffff88810cd8a780
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc9000075fcd8 R08: ffffffff81be489f R09: 0000000000000003
R10: fffff520000ebf70 R11: dffffc0000000001 R12: ffff888120630220
R13: 1ffff110240c6044 R14: ffff88810993e4b0 R15: dffffc0000000000
FS:  000055558bb4f380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e483282001 CR3: 000000011d6b4000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vfs_rmdir+0x32/0x470 fs/namei.c:4130
 incfs_kill_sb+0x113/0x230 fs/incfs/vfs.c:1989
 deactivate_locked_super+0xad/0x110 fs/super.c:335
 deactivate_super+0xbe/0xf0 fs/super.c:366
 cleanup_mnt+0x45c/0x510 fs/namespace.c:1143
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1150
 task_work_run+0x129/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xc4/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f0c429f6507
Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffd1f745ca8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f0c429f6507
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd1f745d60
RBP: 00007ffd1f745d60 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffd1f746e50
R13: 000055558bb58700 R14: 431bde82d7b634db R15: 00007ffd1f747ee0
 </TASK>
Modules linked in:
---[ end trace e414394b17ab0dd4 ]---
RIP: 0010:may_delete+0x6eb/0x6f0 fs/namei.c:2933
Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 7f fe ff ff 4c 89 e7 e8 c6 6f f4 ff e9 72 fe ff ff e8 ac 17 b2 ff 0f 0b e8 a5 17 b2 ff <0f> 0b 0f 1f 00 55 48 89 e5 41 56 53 48 89 fb e8 91 17 b2 ff 4c 8d
RSP: 0018:ffffc9000075fc70 EFLAGS: 00010293
RAX: ffffffff81be4f0b RBX: ffff888109812470 RCX: ffff88810cd8a780
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc9000075fcd8 R08: ffffffff81be489f R09: 0000000000000003
R10: fffff520000ebf70 R11: dffffc0000000001 R12: ffff888120630220
R13: 1ffff110240c6044 R14: ffff88810993e4b0 R15: dffffc0000000000
FS:  000055558bb4f380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e483282001 CR3: 000000011d6b4000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400