BUG: Bad page state in process syz.0.0 pfn:53e01
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x53e01
head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:-1
flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 ffffea00014f8001 ffffffffffffffff ffffffff00000000
raw: 0000000700000200 0000000000000000 00000000ffffffff 0000000000000000
head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000
head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
head: 04fff00000000000 ffffea00014f8001 ffffffffffffffff ffffffff00000000
head: 0000000700000200 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: nonzero pincount
page_owner tracks the page as allocated
page last allocated via order 9, migratetype Movable, gfp_mask 0x153c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5319, tgid 5318 (syz.0.0), ts 79121407120, free_ts 79052524247
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
prep_new_page mm/page_alloc.c:1566 [inline]
get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3476
__alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2269
alloc_pages_noprof mm/mempolicy.c:2348 [inline]
folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2355
filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1000
__filemap_get_folio+0x41f/0x940 mm/filemap.c:1942
iomap_get_folio fs/iomap/buffered-io.c:608 [inline]
__iomap_get_folio fs/iomap/buffered-io.c:754 [inline]
iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797
iomap_write_iter fs/iomap/buffered-io.c:955 [inline]
iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039
xfs_file_buffered_write+0x2de/0xac0 fs/xfs/xfs_file.c:792
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaeb/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 5319 tgid 5318 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_folios+0xe39/0x18b0 mm/page_alloc.c:2706
folios_put_refs+0x76c/0x860 mm/swap.c:962
free_pages_and_swap_cache+0x2ea/0x690 mm/swap_state.c:332
__tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline]
tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:366 [inline]
tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373
tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465
vms_clear_ptes+0x437/0x530 mm/vma.c:1143
vms_complete_munmap_vmas+0x210/0x8f0 mm/vma.c:1185
do_vmi_align_munmap+0x5ef/0x6f0 mm/vma.c:1444
do_vmi_munmap+0x24e/0x2d0 mm/vma.c:1492
__vm_munmap+0x24c/0x480 mm/mmap.c:1372
__do_sys_munmap mm/mmap.c:1389 [inline]
__se_sys_munmap mm/mmap.c:1386 [inline]
__x64_sys_munmap+0x60/0x70 mm/mmap.c:1386
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted 6.13.0-rc6-syzkaller-00038-g09a0fa92e5b4 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_tail_page_prepare+0x2ab/0x4b0
free_pages_prepare mm/page_alloc.c:1103 [inline]
free_unref_page+0x7f1/0x1010 mm/page_alloc.c:2659
__folio_put+0x2b3/0x360 mm/swap.c:112
truncate_inode_partial_folio+0x251/0x5e0
truncate_inode_pages_range+0x6f3/0x10e0 mm/truncate.c:338
xfs_flush_unmap_range+0xb8/0xd0 fs/xfs/xfs_bmap_util.c:820
xfs_reflink_remap_prep+0x581/0x6a0
xfs_file_remap_range+0x287/0x910 fs/xfs/xfs_file.c:1210
vfs_copy_file_range+0xc07/0x1510 fs/read_write.c:1584
__do_sys_copy_file_range fs/read_write.c:1670 [inline]
__se_sys_copy_file_range+0x3fa/0x600 fs/read_write.c:1637
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3734985d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f37357e3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000146
RAX: ffffffffffffffda RBX: 00007f3734b76080 RCX: 00007f3734985d29
RDX: 0000000000000007 RSI: 0000000000000000 RDI: 0000000000000008
RBP: 00007f3734a01b08 R08: ffffffffa003e45c R09: 0700000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f3734b76080 R15: 00007ffceae811f8
BUG: Bad page state in process syz.0.0 pfn:53e00
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x53e00
head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000
head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
head: 04fff00000000000 0000000000000000 ffffffffffffffff 0000000000000000
head: 0000000700000200 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
page_owner tracks the page as allocated
page last allocated via order 9, migratetype Movable, gfp_mask 0x153c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5319, tgid 5318 (syz.0.0), ts 79121407120, free_ts 79052517534
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
prep_new_page mm/page_alloc.c:1566 [inline]
get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3476
__alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2269
alloc_pages_noprof mm/mempolicy.c:2348 [inline]
folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2355
filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1000
__filemap_get_folio+0x41f/0x940 mm/filemap.c:1942
iomap_get_folio fs/iomap/buffered-io.c:608 [inline]
__iomap_get_folio fs/iomap/buffered-io.c:754 [inline]
iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797
iomap_write_iter fs/iomap/buffered-io.c:955 [inline]
iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039
xfs_file_buffered_write+0x2de/0xac0 fs/xfs/xfs_file.c:792
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaeb/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 5319 tgid 5318 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_folios+0xe39/0x18b0 mm/page_alloc.c:2706
folios_put_refs+0x76c/0x860 mm/swap.c:962
free_pages_and_swap_cache+0x2ea/0x690 mm/swap_state.c:332
__tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline]
tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:366 [inline]
tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373
tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465
vms_clear_ptes+0x437/0x530 mm/vma.c:1143
vms_complete_munmap_vmas+0x210/0x8f0 mm/vma.c:1185
do_vmi_align_munmap+0x5ef/0x6f0 mm/vma.c:1444
do_vmi_munmap+0x24e/0x2d0 mm/vma.c:1492
__vm_munmap+0x24c/0x480 mm/mmap.c:1372
__do_sys_munmap mm/mmap.c:1389 [inline]
__se_sys_munmap mm/mmap.c:1386 [inline]
__x64_sys_munmap+0x60/0x70 mm/mmap.c:1386
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Tainted: G B 6.13.0-rc6-syzkaller-00038-g09a0fa92e5b4 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_unref_page+0xfb1/0x1010 mm/page_alloc.c:2659
__folio_put+0x2b3/0x360 mm/swap.c:112
truncate_inode_partial_folio+0x251/0x5e0
truncate_inode_pages_range+0x6f3/0x10e0 mm/truncate.c:338
xfs_flush_unmap_range+0xb8/0xd0 fs/xfs/xfs_bmap_util.c:820
xfs_reflink_remap_prep+0x581/0x6a0
xfs_file_remap_range+0x287/0x910 fs/xfs/xfs_file.c:1210
vfs_copy_file_range+0xc07/0x1510 fs/read_write.c:1584
__do_sys_copy_file_range fs/read_write.c:1670 [inline]
__se_sys_copy_file_range+0x3fa/0x600 fs/read_write.c:1637
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3734985d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f37357e3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000146
RAX: ffffffffffffffda RBX: 00007f3734b76080 RCX: 00007f3734985d29
RDX: 0000000000000007 RSI: 0000000000000000 RDI: 0000000000000008
RBP: 00007f3734a01b08 R08: ffffffffa003e45c R09: 0700000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f3734b76080 R15: 00007ffceae811f8
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x53e00
head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x4fff0000000004c(referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff0000000004c dead000000000100 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
head: 04fff0000000004c dead000000000100 dead000000000122 0000000000000000
head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
head: 04fff00000000000 0000000000000000 ffffffffffffffff 0000000000000000
head: 0000000700000200 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: VM_BUG_ON_PAGE(page_ref_count(page) == 0)
page_owner tracks the page as allocated
page last allocated via order 9, migratetype Movable, gfp_mask 0x153c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5319, tgid 5318 (syz.0.0), ts 79121407120, free_ts 79052517534
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
prep_new_page mm/page_alloc.c:1566 [inline]
get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3476
__alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2269
alloc_pages_noprof mm/mempolicy.c:2348 [inline]
folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2355
filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1000
__filemap_get_folio+0x41f/0x940 mm/filemap.c:1942
iomap_get_folio fs/iomap/buffered-io.c:608 [inline]
__iomap_get_folio fs/iomap/buffered-io.c:754 [inline]
iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797
iomap_write_iter fs/iomap/buffered-io.c:955 [inline]
iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039
xfs_file_buffered_write+0x2de/0xac0 fs/xfs/xfs_file.c:792
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaeb/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 5319 tgid 5318 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_folios+0xe39/0x18b0 mm/page_alloc.c:2706
folios_put_refs+0x76c/0x860 mm/swap.c:962
free_pages_and_swap_cache+0x2ea/0x690 mm/swap_state.c:332
__tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline]
tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:366 [inline]
tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373
tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465
vms_clear_ptes+0x437/0x530 mm/vma.c:1143
vms_complete_munmap_vmas+0x210/0x8f0 mm/vma.c:1185
do_vmi_align_munmap+0x5ef/0x6f0 mm/vma.c:1444
do_vmi_munmap+0x24e/0x2d0 mm/vma.c:1492
__vm_munmap+0x24c/0x480 mm/mmap.c:1372
__do_sys_munmap mm/mmap.c:1389 [inline]
__se_sys_munmap mm/mmap.c:1386 [inline]
__x64_sys_munmap+0x60/0x70 mm/mmap.c:1386
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at ./include/linux/mm.h:1153!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Tainted: G B 6.13.0-rc6-syzkaller-00038-g09a0fa92e5b4 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:put_page_testzero include/linux/mm.h:1153 [inline]
RIP: 0010:folio_put_testzero include/linux/mm.h:1159 [inline]
RIP: 0010:folio_put include/linux/mm.h:1488 [inline]
RIP: 0010:truncate_inode_pages_range+0x10a9/0x10e0 mm/truncate.c:344
Code: ff 4c 89 f7 48 c7 c6 a0 eb 13 8c e8 51 23 0c 00 90 0f 0b e8 99 63 c2 ff 48 8b 7c 24 18 48 c7 c6 80 ec 13 8c e8 38 23 0c 00 90 <0f> 0b e8 80 63 c2 ff 48 8b 7c 24 18 48 c7 c6 a0 eb 13 8c e8 1f 23
RSP: 0018:ffffc9000d4af720 EFLAGS: 00010246
RAX: 5d2625d452ccc200 RBX: 0000000000000000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8c5fb000 RDI: 0000000000000001
RBP: ffffc9000d4afab8 R08: ffffffff901981f7 R09: 1ffffffff203303e
R10: dffffc0000000000 R11: fffffbfff203303f R12: 000000000000000f
R13: ffffea00014f8034 R14: 0000000000200000 R15: 0000000000000000
FS: 00007f37357e36c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005574d6510048 CR3: 0000000043aa4000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
xfs_flush_unmap_range+0xb8/0xd0 fs/xfs/xfs_bmap_util.c:820
xfs_reflink_remap_prep+0x581/0x6a0
xfs_file_remap_range+0x287/0x910 fs/xfs/xfs_file.c:1210
vfs_copy_file_range+0xc07/0x1510 fs/read_write.c:1584
__do_sys_copy_file_range fs/read_write.c:1670 [inline]
__se_sys_copy_file_range+0x3fa/0x600 fs/read_write.c:1637
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3734985d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f37357e3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000146
RAX: ffffffffffffffda RBX: 00007f3734b76080 RCX: 00007f3734985d29
RDX: 0000000000000007 RSI: 0000000000000000 RDI: 0000000000000008
RBP: 00007f3734a01b08 R08: ffffffffa003e45c R09: 0700000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f3734b76080 R15: 00007ffceae811f8
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:put_page_testzero include/linux/mm.h:1153 [inline]
RIP: 0010:folio_put_testzero include/linux/mm.h:1159 [inline]
RIP: 0010:folio_put include/linux/mm.h:1488 [inline]
RIP: 0010:truncate_inode_pages_range+0x10a9/0x10e0 mm/truncate.c:344
Code: ff 4c 89 f7 48 c7 c6 a0 eb 13 8c e8 51 23 0c 00 90 0f 0b e8 99 63 c2 ff 48 8b 7c 24 18 48 c7 c6 80 ec 13 8c e8 38 23 0c 00 90 <0f> 0b e8 80 63 c2 ff 48 8b 7c 24 18 48 c7 c6 a0 eb 13 8c e8 1f 23
RSP: 0018:ffffc9000d4af720 EFLAGS: 00010246
RAX: 5d2625d452ccc200 RBX: 0000000000000000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8c5fb000 RDI: 0000000000000001
RBP: ffffc9000d4afab8 R08: ffffffff901981f7 R09: 1ffffffff203303e
R10: dffffc0000000000 R11: fffffbfff203303f R12: 000000000000000f
R13: ffffea00014f8034 R14: 0000000000200000 R15: 0000000000000000
FS: 00007f37357e36c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005574d6510048 CR3: 0000000043aa4000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400