BUG: Bad page state in process syz.3.88 pfn:562cc
page:ffffea000158b300 refcount:0 mapcount:0 mapping:0000000000000000 index:0x588 pfn:0x562cc
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea0001588ec8 ffffc9000376f980 0000000000000000
raw: 0000000000000588 ffff888024280c98 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 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4606, ts 115107094614, free_ts 22116681219
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x1bbd/0x1ca0 mm/page_alloc.c:4192
__alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
__page_cache_alloc+0xce/0x440 mm/filemap.c:1022
pagecache_get_page+0x9b6/0xf10 mm/filemap.c:1940
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x282/0x1060 fs/jfs/jfs_metapage.c:614
xtSplitPage+0x238/0x1c50 fs/jfs/jfs_xtree.c:985
xtSplitUp+0x2b7/0x1c60 fs/jfs/jfs_xtree.c:782
xtInsert+0x403/0xc50 fs/jfs/jfs_xtree.c:604
extAlloc+0xa1f/0xf80 fs/jfs/jfs_extent.c:148
jfs_get_block+0x355/0xad0 fs/jfs/inode.c:264
get_more_blocks fs/direct-io.c:673 [inline]
do_direct_IO fs/direct-io.c:959 [inline]
do_blockdev_direct_IO fs/direct-io.c:1276 [inline]
__blockdev_direct_IO+0x13d4/0x3a70 fs/direct-io.c:1368
blockdev_direct_IO include/linux/fs.h:3345 [inline]
jfs_direct_IO+0x119/0x220 fs/jfs/inode.c:349
generic_file_direct_write+0x22c/0x490 mm/filemap.c:3687
__generic_file_write_iter+0x2b1/0x4e0 mm/filemap.c:3869
generic_file_write_iter+0xa6/0x1b0 mm/filemap.c:3944
do_iter_readv_writev+0x47e/0x5f0 fs/read_write.c:-1
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
free_unref_page+0x8f/0x2a0 mm/page_alloc.c:3396
free_contig_range+0x96/0xf0 mm/page_alloc.c:9428
destroy_args+0xf0/0xa00 mm/debug_vm_pgtable.c:1018
debug_vm_pgtable+0x321/0x380 mm/debug_vm_pgtable.c:1336
do_one_initcall+0x272/0x730 init/main.c:1316
do_initcall_level+0x137/0x1f0 init/main.c:1389
do_initcalls+0x4b/0x90 init/main.c:1405
kernel_init_freeable+0x3e9/0x570 init/main.c:1629
kernel_init+0x19/0x1b0 init/main.c:1520
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Modules linked in:
CPU: 1 PID: 4635 Comm: syz.3.88 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x383/0x6c0 mm/page_alloc.c:3317
free_unref_page_list+0x119/0x820 mm/page_alloc.c:3433
release_pages+0x186c/0x1be0 mm/swap.c:963
__pagevec_release+0x6d/0xe0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x362/0xfe0 mm/truncate.c:329
jfs_remount+0x33d/0x5b0 fs/jfs/super.c:456
reconfigure_super+0x219/0x8a0 fs/super.c:938
do_remount fs/namespace.c:2697 [inline]
path_mount+0xd54/0x1030 fs/namespace.c:3356
do_mount fs/namespace.c:3377 [inline]
__do_sys_mount fs/namespace.c:3585 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7507542a0a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7505758e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f7505758ee0 RCX: 00007f7507542a0a
RDX: 0000200000000f40 RSI: 0000200000000140 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007f7505758ee0 R09: 0000000001a4a438
R10: 0000000001a4a438 R11: 0000000000000246 R12: 0000200000000140
R13: 00007f7505758ea0 R14: 0000000000000000 R15: 00002000000008c0
BUG: Bad page state in process syz.3.88 pfn:5623b
page:ffffea0001588ec0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x500 pfn:0x5623b
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea0001588e88 ffffc9000376f980 0000000000000000
raw: 0000000000000500 ffff888024280ba0 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 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4606, ts 115078015362, free_ts 22115884546
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x1bbd/0x1ca0 mm/page_alloc.c:4192
__alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
__page_cache_alloc+0xce/0x440 mm/filemap.c:1022
pagecache_get_page+0x9b6/0xf10 mm/filemap.c:1940
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x282/0x1060 fs/jfs/jfs_metapage.c:614
xtSplitRoot+0xd9/0xdd0 fs/jfs/jfs_xtree.c:1238
xtSplitUp+0xa2d/0x1c60 fs/jfs/jfs_xtree.c:857
xtInsert+0x403/0xc50 fs/jfs/jfs_xtree.c:604
extAlloc+0xa1f/0xf80 fs/jfs/jfs_extent.c:148
jfs_get_block+0x355/0xad0 fs/jfs/inode.c:264
get_more_blocks fs/direct-io.c:673 [inline]
do_direct_IO fs/direct-io.c:959 [inline]
do_blockdev_direct_IO fs/direct-io.c:1276 [inline]
__blockdev_direct_IO+0x13d4/0x3a70 fs/direct-io.c:1368
blockdev_direct_IO include/linux/fs.h:3345 [inline]
jfs_direct_IO+0x119/0x220 fs/jfs/inode.c:349
generic_file_direct_write+0x22c/0x490 mm/filemap.c:3687
__generic_file_write_iter+0x2b1/0x4e0 mm/filemap.c:3869
generic_file_write_iter+0xa6/0x1b0 mm/filemap.c:3944
do_iter_readv_writev+0x47e/0x5f0 fs/read_write.c:-1
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
free_unref_page+0x8f/0x2a0 mm/page_alloc.c:3396
free_contig_range+0x96/0xf0 mm/page_alloc.c:9428
destroy_args+0xf0/0xa00 mm/debug_vm_pgtable.c:1018
debug_vm_pgtable+0x321/0x380 mm/debug_vm_pgtable.c:1336
do_one_initcall+0x272/0x730 init/main.c:1316
do_initcall_level+0x137/0x1f0 init/main.c:1389
do_initcalls+0x4b/0x90 init/main.c:1405
kernel_init_freeable+0x3e9/0x570 init/main.c:1629
kernel_init+0x19/0x1b0 init/main.c:1520
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Modules linked in:
CPU: 1 PID: 4635 Comm: syz.3.88 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x383/0x6c0 mm/page_alloc.c:3317
free_unref_page_list+0x119/0x820 mm/page_alloc.c:3433
release_pages+0x186c/0x1be0 mm/swap.c:963
__pagevec_release+0x6d/0xe0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x362/0xfe0 mm/truncate.c:329
jfs_remount+0x33d/0x5b0 fs/jfs/super.c:456
reconfigure_super+0x219/0x8a0 fs/super.c:938
do_remount fs/namespace.c:2697 [inline]
path_mount+0xd54/0x1030 fs/namespace.c:3356
do_mount fs/namespace.c:3377 [inline]
__do_sys_mount fs/namespace.c:3585 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7507542a0a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7505758e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f7505758ee0 RCX: 00007f7507542a0a
RDX: 0000200000000f40 RSI: 0000200000000140 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007f7505758ee0 R09: 0000000001a4a438
R10: 0000000001a4a438 R11: 0000000000000246 R12: 0000200000000140
R13: 00007f7505758ea0 R14: 0000000000000000 R15: 00002000000008c0
BUG: Bad page state in process syz.3.88 pfn:5623a
page:ffffea0001588e80 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4ff pfn:0x5623a
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea0001586bc8 ffffc9000376f980 0000000000000000
raw: 00000000000004ff ffff8880242809b0 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 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4606, ts 115077941057, free_ts 22115879274
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x1bbd/0x1ca0 mm/page_alloc.c:4192
__alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
__page_cache_alloc+0xce/0x440 mm/filemap.c:1022
pagecache_get_page+0x9b6/0xf10 mm/filemap.c:1940
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x282/0x1060 fs/jfs/jfs_metapage.c:614
xtSplitPage+0x238/0x1c50 fs/jfs/jfs_xtree.c:985
xtSplitUp+0x2b7/0x1c60 fs/jfs/jfs_xtree.c:782
xtInsert+0x403/0xc50 fs/jfs/jfs_xtree.c:604
extAlloc+0xa1f/0xf80 fs/jfs/jfs_extent.c:148
jfs_get_block+0x355/0xad0 fs/jfs/inode.c:264
get_more_blocks fs/direct-io.c:673 [inline]
do_direct_IO fs/direct-io.c:959 [inline]
do_blockdev_direct_IO fs/direct-io.c:1276 [inline]
__blockdev_direct_IO+0x13d4/0x3a70 fs/direct-io.c:1368
blockdev_direct_IO include/linux/fs.h:3345 [inline]
jfs_direct_IO+0x119/0x220 fs/jfs/inode.c:349
generic_file_direct_write+0x22c/0x490 mm/filemap.c:3687
__generic_file_write_iter+0x2b1/0x4e0 mm/filemap.c:3869
generic_file_write_iter+0xa6/0x1b0 mm/filemap.c:3944
do_iter_readv_writev+0x47e/0x5f0 fs/read_write.c:-1
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
free_unref_page+0x8f/0x2a0 mm/page_alloc.c:3396
free_contig_range+0x96/0xf0 mm/page_alloc.c:9428
destroy_args+0xf0/0xa00 mm/debug_vm_pgtable.c:1018
debug_vm_pgtable+0x321/0x380 mm/debug_vm_pgtable.c:1336
do_one_initcall+0x272/0x730 init/main.c:1316
do_initcall_level+0x137/0x1f0 init/main.c:1389
do_initcalls+0x4b/0x90 init/main.c:1405
kernel_init_freeable+0x3e9/0x570 init/main.c:1629
kernel_init+0x19/0x1b0 init/main.c:1520
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Modules linked in:
CPU: 1 PID: 4635 Comm: syz.3.88 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x383/0x6c0 mm/page_alloc.c:3317
free_unref_page_list+0x119/0x820 mm/page_alloc.c:3433
release_pages+0x186c/0x1be0 mm/swap.c:963
__pagevec_release+0x6d/0xe0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x362/0xfe0 mm/truncate.c:329
jfs_remount+0x33d/0x5b0 fs/jfs/super.c:456
reconfigure_super+0x219/0x8a0 fs/super.c:938
do_remount fs/namespace.c:2697 [inline]
path_mount+0xd54/0x1030 fs/namespace.c:3356
do_mount fs/namespace.c:3377 [inline]
__do_sys_mount fs/namespace.c:3585 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7507542a0a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7505758e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f7505758ee0 RCX: 00007f7507542a0a
RDX: 0000200000000f40 RSI: 0000200000000140 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007f7505758ee0 R09: 0000000001a4a438
R10: 0000000001a4a438 R11: 0000000000000246 R12: 0000200000000140
R13: 00007f7505758ea0 R14: 0000000000000000 R15: 00002000000008c0
BUG: Bad page state in process syz.3.88 pfn:561af
page:ffffea0001586bc0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x478 pfn:0x561af
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea0001583408 ffffc9000376f980 0000000000000000
raw: 0000000000000478 ffff888058a181f0 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 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4606, ts 115053824060, free_ts 22115141364
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x1bbd/0x1ca0 mm/page_alloc.c:4192
__alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
__page_cache_alloc+0xce/0x440 mm/filemap.c:1022
pagecache_get_page+0x9b6/0xf10 mm/filemap.c:1940
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x282/0x1060 fs/jfs/jfs_metapage.c:614
xtSplitPage+0x238/0x1c50 fs/jfs/jfs_xtree.c:985
xtSplitUp+0x2b7/0x1c60 fs/jfs/jfs_xtree.c:782
xtInsert+0x403/0xc50 fs/jfs/jfs_xtree.c:604
extAlloc+0xa1f/0xf80 fs/jfs/jfs_extent.c:148
jfs_get_block+0x355/0xad0 fs/jfs/inode.c:264
get_more_blocks fs/direct-io.c:673 [inline]
do_direct_IO fs/direct-io.c:959 [inline]
do_blockdev_direct_IO fs/direct-io.c:1276 [inline]
__blockdev_direct_IO+0x13d4/0x3a70 fs/direct-io.c:1368
blockdev_direct_IO include/linux/fs.h:3345 [inline]
jfs_direct_IO+0x119/0x220 fs/jfs/inode.c:349
generic_file_direct_write+0x22c/0x490 mm/filemap.c:3687
__generic_file_write_iter+0x2b1/0x4e0 mm/filemap.c:3869
generic_file_write_iter+0xa6/0x1b0 mm/filemap.c:3944
do_iter_readv_writev+0x47e/0x5f0 fs/read_write.c:-1
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
free_unref_page+0x8f/0x2a0 mm/page_alloc.c:3396
free_contig_range+0x96/0xf0 mm/page_alloc.c:9428
destroy_args+0xf0/0xa00 mm/debug_vm_pgtable.c:1018
debug_vm_pgtable+0x321/0x380 mm/debug_vm_pgtable.c:1336
do_one_initcall+0x272/0x730 init/main.c:1316
do_initcall_level+0x137/0x1f0 init/main.c:1389
do_initcalls+0x4b/0x90 init/main.c:1405
kernel_init_freeable+0x3e9/0x570 init/main.c:1629
kernel_init+0x19/0x1b0 init/main.c:1520
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Modules linked in:
CPU: 1 PID: 4635 Comm: syz.3.88 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x383/0x6c0 mm/page_alloc.c:3317
free_unref_page_list+0x119/0x820 mm/page_alloc.c:3433
release_pages+0x186c/0x1be0 mm/swap.c:963
__pagevec_release+0x6d/0xe0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x362/0xfe0 mm/truncate.c:329
jfs_remount+0x33d/0x5b0 fs/jfs/super.c:456
reconfigure_super+0x219/0x8a0 fs/super.c:938
do_remount fs/namespace.c:2697 [inline]
path_mount+0xd54/0x1030 fs/namespace.c:3356
do_mount fs/namespace.c:3377 [inline]
__do_sys_mount fs/namespace.c:3585 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7507542a0a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7505758e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f7505758ee0 RCX: 00007f7507542a0a
RDX: 0000200000000f40 RSI: 0000200000000140 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007f7505758ee0 R09: 0000000001a4a438
R10: 0000000001a4a438 R11: 0000000000000246 R12: 0000200000000140
R13: 00007f7505758ea0 R14: 0000000000000000 R15: 00002000000008c0
BUG: Bad page state in process syz.3.88 pfn:560d0
page:ffffea0001583400 refcount:0 mapcount:0 mapping:0000000000000000 index:0x3f0 pfn:0x560d0
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea0001581288 ffffc9000376f980 0000000000000000
raw: 00000000000003f0 ffff888058a184d8 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 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4606, ts 115024327124, free_ts 22113942706
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x1bbd/0x1ca0 mm/page_alloc.c:4192
__alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
__page_cache_alloc+0xce/0x440 mm/filemap.c:1022
pagecache_get_page+0x9b6/0xf10 mm/filemap.c:1940
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x282/0x1060 fs/jfs/jfs_metapage.c:614
xtSplitPage+0x238/0x1c50 fs/jfs/jfs_xtree.c:985
xtSplitUp+0x2b7/0x1c60 fs/jfs/jfs_xtree.c:782
xtInsert+0x403/0xc50 fs/jfs/jfs_xtree.c:604
extAlloc+0xa1f/0xf80 fs/jfs/jfs_extent.c:148
jfs_get_block+0x355/0xad0 fs/jfs/inode.c:264
get_more_blocks fs/direct-io.c:673 [inline]
do_direct_IO fs/direct-io.c:959 [inline]
do_blockdev_direct_IO fs/direct-io.c:1276 [inline]
__blockdev_direct_IO+0x13d4/0x3a70 fs/direct-io.c:1368
blockdev_direct_IO include/linux/fs.h:3345 [inline]
jfs_direct_IO+0x119/0x220 fs/jfs/inode.c:349
generic_file_direct_write+0x22c/0x490 mm/filemap.c:3687
__generic_file_write_iter+0x2b1/0x4e0 mm/filemap.c:3869
generic_file_write_iter+0xa6/0x1b0 mm/filemap.c:3944
do_iter_readv_writev+0x47e/0x5f0 fs/read_write.c:-1
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
free_unref_page+0x8f/0x2a0 mm/page_alloc.c:3396
free_contig_range+0x96/0xf0 mm/page_alloc.c:9428
destroy_args+0xf0/0xa00 mm/debug_vm_pgtable.c:1018
debug_vm_pgtable+0x321/0x380 mm/debug_vm_pgtable.c:1336
do_one_initcall+0x272/0x730 init/main.c:1316
do_initcall_level+0x137/0x1f0 init/main.c:1389
do_initcalls+0x4b/0x90 init/main.c:1405
kernel_init_freeable+0x3e9/0x570 init/main.c:1629
kernel_init+0x19/0x1b0 init/main.c:1520
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Modules linked in:
CPU: 1 PID: 4635 Comm: syz.3.88 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x383/0x6c0 mm/page_alloc.c:3317
free_unref_page_list+0x119/0x820 mm/page_alloc.c:3433
release_pages+0x186c/0x1be0 mm/swap.c:963
__pagevec_release+0x6d/0xe0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x362/0xfe0 mm/truncate.c:329
jfs_remount+0x33d/0x5b0 fs/jfs/super.c:456
reconfigure_super+0x219/0x8a0 fs/super.c:938
do_remount fs/namespace.c:2697 [inline]
path_mount+0xd54/0x1030 fs/namespace.c:3356
do_mount fs/namespace.c:3377 [inline]
__do_sys_mount fs/namespace.c:3585 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7507542a0a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7505758e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f7505758ee0 RCX: 00007f7507542a0a
RDX: 0000200000000f40 RSI: 0000200000000140 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007f7505758ee0 R09: 0000000001a4a438
R10: 0000000001a4a438 R11: 0000000000000246 R12: 0000200000000140
R13: 00007f7505758ea0 R14: 0000000000000000 R15: 00002000000008c0
BUG: Bad page state in process syz.3.88 pfn:5604a
page:ffffea0001581280 refcount:0 mapcount:0 mapping:0000000000000000 index:0x369 pfn:0x5604a
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea000159ea88 ffffc9000376f980 0000000000000000
raw: 0000000000000369 ffff888058a188b8 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 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4606, ts 114996463948, free_ts 22113223866
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x1bbd/0x1ca0 mm/page_alloc.c:4192
__alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
__page_cache_alloc+0xce/0x440 mm/filemap.c:1022
pagecache_get_page+0x9b6/0xf10 mm/filemap.c:1940
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x282/0x1060 fs/jfs/jfs_metapage.c:614
xtSplitPage+0x238/0x1c50 fs/jfs/jfs_xtree.c:985
xtSplitUp+0x2b7/0x1c60 fs/jfs/jfs_xtree.c:782
xtInsert+0x403/0xc50 fs/jfs/jfs_xtree.c:604
extAlloc+0xa1f/0xf80 fs/jfs/jfs_extent.c:148
jfs_get_block+0x355/0xad0 fs/jfs/inode.c:264
get_more_blocks fs/direct-io.c:673 [inline]
do_direct_IO fs/direct-io.c:959 [inline]
do_blockdev_direct_IO fs/direct-io.c:1276 [inline]
__blockdev_direct_IO+0x13d4/0x3a70 fs/direct-io.c:1368
blockdev_direct_IO include/linux/fs.h:3345 [inline]
jfs_direct_IO+0x119/0x220 fs/jfs/inode.c:349
generic_file_direct_write+0x22c/0x490 mm/filemap.c:3687
__generic_file_write_iter+0x2b1/0x4e0 mm/filemap.c:3869
generic_file_write_iter+0xa6/0x1b0 mm/filemap.c:3944
do_iter_readv_writev+0x47e/0x5f0 fs/read_write.c:-1
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
free_unref_page+0x8f/0x2a0 mm/page_alloc.c:3396
free_contig_range+0x96/0xf0 mm/page_alloc.c:9428
destroy_args+0xf0/0xa00 mm/debug_vm_pgtable.c:1018
debug_vm_pgtable+0x321/0x380 mm/debug_vm_pgtable.c:1336
do_one_initcall+0x272/0x730 init/main.c:1316
do_initcall_level+0x137/0x1f0 init/main.c:1389
do_initcalls+0x4b/0x90 init/main.c:1405
kernel_init_freeable+0x3e9/0x570 init/main.c:1629
kernel_init+0x19/0x1b0 init/main.c:1520
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Modules linked in:
CPU: 1 PID: 4635 Comm: syz.3.88 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x383/0x6c0 mm/page_alloc.c:3317
free_unref_page_list+0x119/0x820 mm/page_alloc.c:3433
release_pages+0x186c/0x1be0 mm/swap.c:963
__pagevec_release+0x6d/0xe0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x362/0xfe0 mm/truncate.c:329
jfs_remount+0x33d/0x5b0 fs/jfs/super.c:456
reconfigure_super+0x219/0x8a0 fs/super.c:938
do_remount fs/namespace.c:2697 [inline]
path_mount+0xd54/0x1030 fs/namespace.c:3356
do_mount fs/namespace.c:3377 [inline]
__do_sys_mount fs/namespace.c:3585 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7507542a0a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7505758e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f7505758ee0 RCX: 00007f7507542a0a
RDX: 0000200000000f40 RSI: 0000200000000140 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007f7505758ee0 R09: 0000000001a4a438
R10: 0000000001a4a438 R11: 0000000000000246 R12: 0000200000000140
R13: 00007f7505758ea0 R14: 0000000000000000 R15: 00002000000008c0
BUG: Bad page state in process syz.3.88 pfn:567aa
page:ffffea000159ea80 refcount:0 mapcount:0 mapping:0000000000000000 index:0x2e2 pfn:0x567aa
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea000159be88 ffffc9000376f980 0000000000000000
raw: 00000000000002e2 ffff888058a187c0 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 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4606, ts 114968121547, free_ts 22123490929
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x1bbd/0x1ca0 mm/page_alloc.c:4192
__alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
__page_cache_alloc+0xce/0x440 mm/filemap.c:1022
pagecache_get_page+0x9b6/0xf10 mm/filemap.c:1940
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x282/0x1060 fs/jfs/jfs_metapage.c:614
xtSplitPage+0x238/0x1c50 fs/jfs/jfs_xtree.c:985
xtSplitUp+0x2b7/0x1c60 fs/jfs/jfs_xtree.c:782
xtInsert+0x403/0xc50 fs/jfs/jfs_xtree.c:604
extAlloc+0xa1f/0xf80 fs/jfs/jfs_extent.c:148
jfs_get_block+0x355/0xad0 fs/jfs/inode.c:264
get_more_blocks fs/direct-io.c:673 [inline]
do_direct_IO fs/direct-io.c:959 [inline]
do_blockdev_direct_IO fs/direct-io.c:1276 [inline]
__blockdev_direct_IO+0x13d4/0x3a70 fs/direct-io.c:1368
blockdev_direct_IO include/linux/fs.h:3345 [inline]
jfs_direct_IO+0x119/0x220 fs/jfs/inode.c:349
generic_file_direct_write+0x22c/0x490 mm/filemap.c:3687
__generic_file_write_iter+0x2b1/0x4e0 mm/filemap.c:3869
generic_file_write_iter+0xa6/0x1b0 mm/filemap.c:3944
do_iter_readv_writev+0x47e/0x5f0 fs/read_write.c:-1
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
free_unref_page+0x8f/0x2a0 mm/page_alloc.c:3396
free_contig_range+0x96/0xf0 mm/page_alloc.c:9428
destroy_args+0xf0/0xa00 mm/debug_vm_pgtable.c:1018
debug_vm_pgtable+0x321/0x380 mm/debug_vm_pgtable.c:1336
do_one_initcall+0x272/0x730 init/main.c:1316
do_initcall_level+0x137/0x1f0 init/main.c:1389
do_initcalls+0x4b/0x90 init/main.c:1405
kernel_init_freeable+0x3e9/0x570 init/main.c:1629
kernel_init+0x19/0x1b0 init/main.c:1520
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Modules linked in:
CPU: 1 PID: 4635 Comm: syz.3.88 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x383/0x6c0 mm/page_alloc.c:3317
free_unref_page_list+0x119/0x820 mm/page_alloc.c:3433
release_pages+0x186c/0x1be0 mm/swap.c:963
__pagevec_release+0x6d/0xe0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x362/0xfe0 mm/truncate.c:329
jfs_remount+0x33d/0x5b0 fs/jfs/super.c:456
reconfigure_super+0x219/0x8a0 fs/super.c:938
do_remount fs/namespace.c:2697 [inline]
path_mount+0xd54/0x1030 fs/namespace.c:3356
do_mount fs/namespace.c:3377 [inline]
__do_sys_mount fs/namespace.c:3585 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7507542a0a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7505758e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f7505758ee0 RCX: 00007f7507542a0a
RDX: 0000200000000f40 RSI: 0000200000000140 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007f7505758ee0 R09: 0000000001a4a438
R10: 0000000001a4a438 R11: 0000000000000246 R12: 0000200000000140
R13: 00007f7505758ea0 R14: 0000000000000000 R15: 00002000000008c0
BUG: Bad page state in process syz.3.88 pfn:566fa
page:ffffea000159be80 refcount:0 mapcount:0 mapping:0000000000000000 index:0x25a pfn:0x566fa
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea0001599d48 ffffc9000376f980 0000000000000000
raw: 000000000000025a ffff888058a183e0 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 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4606, ts 114886855911, free_ts 22122543603
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x1bbd/0x1ca0 mm/page_alloc.c:4192
__alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
__page_cache_alloc+0xce/0x440 mm/filemap.c:1022
pagecache_get_page+0x9b6/0xf10 mm/filemap.c:1940
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x282/0x1060 fs/jfs/jfs_metapage.c:614
xtSplitPage+0x238/0x1c50 fs/jfs/jfs_xtree.c:985
xtSplitUp+0x2b7/0x1c60 fs/jfs/jfs_xtree.c:782
xtInsert+0x403/0xc50 fs/jfs/jfs_xtree.c:604
extAlloc+0xa1f/0xf80 fs/jfs/jfs_extent.c:148
jfs_get_block+0x355/0xad0 fs/jfs/inode.c:264
get_more_blocks fs/direct-io.c:673 [inline]
do_direct_IO fs/direct-io.c:959 [inline]
do_blockdev_direct_IO fs/direct-io.c:1276 [inline]
__blockdev_direct_IO+0x13d4/0x3a70 fs/direct-io.c:1368
blockdev_direct_IO include/linux/fs.h:3345 [inline]
jfs_direct_IO+0x119/0x220 fs/jfs/inode.c:349
generic_file_direct_write+0x22c/0x490 mm/filemap.c:3687
__generic_file_write_iter+0x2b1/0x4e0 mm/filemap.c:3869
generic_file_write_iter+0xa6/0x1b0 mm/filemap.c:3944
do_iter_readv_writev+0x47e/0x5f0 fs/read_write.c:-1
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
free_unref_page+0x8f/0x2a0 mm/page_alloc.c:3396
free_contig_range+0x96/0xf0 mm/page_alloc.c:9428
destroy_args+0xf0/0xa00 mm/debug_vm_pgtable.c:1018
debug_vm_pgtable+0x321/0x380 mm/debug_vm_pgtable.c:1336
do_one_initcall+0x272/0x730 init/main.c:1316
do_initcall_level+0x137/0x1f0 init/main.c:1389
do_initcalls+0x4b/0x90 init/main.c:1405
kernel_init_freeable+0x3e9/0x570 init/main.c:1629
kernel_init+0x19/0x1b0 init/main.c:1520
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Modules linked in:
CPU: 1 PID: 4635 Comm: syz.3.88 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x383/0x6c0 mm/page_alloc.c:3317
free_unref_page_list+0x119/0x820 mm/page_alloc.c:3433
release_pages+0x186c/0x1be0 mm/swap.c:963
__pagevec_release+0x6d/0xe0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x362/0xfe0 mm/truncate.c:329
jfs_remount+0x33d/0x5b0 fs/jfs/super.c:456
reconfigure_super+0x219/0x8a0 fs/super.c:938
do_remount fs/namespace.c:2697 [inline]
path_mount+0xd54/0x1030 fs/namespace.c:3356
do_mount fs/namespace.c:3377 [inline]
__do_sys_mount fs/namespace.c:3585 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7507542a0a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7505758e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f7505758ee0 RCX: 00007f7507542a0a
RDX: 0000200000000f40 RSI: 0000200000000140 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007f7505758ee0 R09: 0000000001a4a438
R10: 0000000001a4a438 R11: 0000000000000246 R12: 0000200000000140
R13: 00007f7505758ea0 R14: 0000000000000000 R15: 00002000000008c0
BUG: Bad page state in process syz.3.88 pfn:56675
page:ffffea0001599d40 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1d3 pfn:0x56675
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea00015973c8 ffffc9000376f980 0000000000000000
raw: 00000000000001d3 ffff888058a18ba0 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 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4606, ts 114844497455, free_ts 22121825959
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x1bbd/0x1ca0 mm/page_alloc.c:4192
__alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
__page_cache_alloc+0xce/0x440 mm/filemap.c:1022
pagecache_get_page+0x9b6/0xf10 mm/filemap.c:1940
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x282/0x1060 fs/jfs/jfs_metapage.c:614
xtSplitPage+0x238/0x1c50 fs/jfs/jfs_xtree.c:985
xtSplitUp+0x2b7/0x1c60 fs/jfs/jfs_xtree.c:782
xtInsert+0x403/0xc50 fs/jfs/jfs_xtree.c:604
extAlloc+0xa1f/0xf80 fs/jfs/jfs_extent.c:148
jfs_get_block+0x355/0xad0 fs/jfs/inode.c:264
get_more_blocks fs/direct-io.c:673 [inline]
do_direct_IO fs/direct-io.c:959 [inline]
do_blockdev_direct_IO fs/direct-io.c:1276 [inline]
__blockdev_direct_IO+0x13d4/0x3a70 fs/direct-io.c:1368
blockdev_direct_IO include/linux/fs.h:3345 [inline]
jfs_direct_IO+0x119/0x220 fs/jfs/inode.c:349
generic_file_direct_write+0x22c/0x490 mm/filemap.c:3687
__generic_file_write_iter+0x2b1/0x4e0 mm/filemap.c:3869
generic_file_write_iter+0xa6/0x1b0 mm/filemap.c:3944
do_iter_readv_writev+0x47e/0x5f0 fs/read_write.c:-1
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
free_unref_page+0x8f/0x2a0 mm/page_alloc.c:3396
free_contig_range+0x96/0xf0 mm/page_alloc.c:9428
destroy_args+0xf0/0xa00 mm/debug_vm_pgtable.c:1018
debug_vm_pgtable+0x321/0x380 mm/debug_vm_pgtable.c:1336
do_one_initcall+0x272/0x730 init/main.c:1316
do_initcall_level+0x137/0x1f0 init/main.c:1389
do_initcalls+0x4b/0x90 init/main.c:1405
kernel_init_freeable+0x3e9/0x570 init/main.c:1629
kernel_init+0x19/0x1b0 init/main.c:1520
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Modules linked in:
CPU: 1 PID: 4635 Comm: syz.3.88 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x383/0x6c0 mm/page_alloc.c:3317
free_unref_page_list+0x119/0x820 mm/page_alloc.c:3433
release_pages+0x186c/0x1be0 mm/swap.c:963
__pagevec_release+0x6d/0xe0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x362/0xfe0 mm/truncate.c:329
jfs_remount+0x33d/0x5b0 fs/jfs/super.c:456
reconfigure_super+0x219/0x8a0 fs/super.c:938
do_remount fs/namespace.c:2697 [inline]
path_mount+0xd54/0x1030 fs/namespace.c:3356
do_mount fs/namespace.c:3377 [inline]
__do_sys_mount fs/namespace.c:3585 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7507542a0a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7505758e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f7505758ee0 RCX: 00007f7507542a0a
RDX: 0000200000000f40 RSI: 0000200000000140 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007f7505758ee0 R09: 0000000001a4a438
R10: 0000000001a4a438 R11: 0000000000000246 R12: 0000200000000140
R13: 00007f7505758ea0 R14: 0000000000000000 R15: 00002000000008c0
BUG: Bad page state in process syz.3.88 pfn:565cf
page:ffffea00015973c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x14b pfn:0x565cf
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea0001592448 ffffc9000376f980 0000000000000000
raw: 000000000000014b ffff888058a18d90 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 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4606, ts 114811691822, free_ts 22120928524
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x1bbd/0x1ca0 mm/page_alloc.c:4192
__alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
__page_cache_alloc+0xce/0x440 mm/filemap.c:1022
pagecache_get_page+0x9b6/0xf10 mm/filemap.c:1940
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x282/0x1060 fs/jfs/jfs_metapage.c:614
xtSplitPage+0x238/0x1c50 fs/jfs/jfs_xtree.c:985
xtSplitUp+0x2b7/0x1c60 fs/jfs/jfs_xtree.c:782
xtInsert+0x403/0xc50 fs/jfs/jfs_xtree.c:604
extAlloc+0xa1f/0xf80 fs/jfs/jfs_extent.c:148
jfs_get_block+0x355/0xad0 fs/jfs/inode.c:264
get_more_blocks fs/direct-io.c:673 [inline]
do_direct_IO fs/direct-io.c:959 [inline]
do_blockdev_direct_IO fs/direct-io.c:1276 [inline]
__blockdev_direct_IO+0x13d4/0x3a70 fs/direct-io.c:1368
blockdev_direct_IO include/linux/fs.h:3345 [inline]
jfs_direct_IO+0x119/0x220 fs/jfs/inode.c:349
generic_file_direct_write+0x22c/0x490 mm/filemap.c:3687
__generic_file_write_iter+0x2b1/0x4e0 mm/filemap.c:3869
generic_file_write_iter+0xa6/0x1b0 mm/filemap.c:3944
do_iter_readv_writev+0x47e/0x5f0 fs/read_write.c:-1
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
free_unref_page+0x8f/0x2a0 mm/page_alloc.c:3396
free_contig_range+0x96/0xf0 mm/page_alloc.c:9428
destroy_args+0xf0/0xa00 mm/debug_vm_pgtable.c:1018
debug_vm_pgtable+0x321/0x380 mm/debug_vm_pgtable.c:1336
do_one_initcall+0x272/0x730 init/main.c:1316
do_initcall_level+0x137/0x1f0 init/main.c:1389
do_initcalls+0x4b/0x90 init/main.c:1405
kernel_init_freeable+0x3e9/0x570 init/main.c:1629
kernel_init+0x19/0x1b0 init/main.c:1520
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Modules linked in:
CPU: 1 PID: 4635 Comm: syz.3.88 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x383/0x6c0 mm/page_alloc.c:3317
free_unref_page_list+0x119/0x820 mm/page_alloc.c:3433
release_pages+0x186c/0x1be0 mm/swap.c:963
__pagevec_release+0x6d/0xe0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x362/0xfe0 mm/truncate.c:329
jfs_remount+0x33d/0x5b0 fs/jfs/super.c:456
reconfigure_super+0x219/0x8a0 fs/super.c:938
do_remount fs/namespace.c:2697 [inline]
path_mount+0xd54/0x1030 fs/namespace.c:3356
do_mount fs/namespace.c:3377 [inline]
__do_sys_mount fs/namespace.c:3585 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7507542a0a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7505758e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f7505758ee0 RCX: 00007f7507542a0a
RDX: 0000200000000f40 RSI: 0000200000000140 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007f7505758ee0 R09: 0000000001a4a438
R10: 0000000001a4a438 R11: 0000000000000246 R12: 0000200000000140
R13: 00007f7505758ea0 R14: 0000000000000000 R15: 00002000000008c0
BUG: Bad page state in process syz.3.88 pfn:56491
page:ffffea0001592440 refcount:0 mapcount:0 mapping:0000000000000000 index:0x44 pfn:0x56491
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea000174cf48 ffffc9000376f980 0000000000000000
raw: 0000000000000044 ffff888024650e88 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 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4606, ts 114772292125, free_ts 22119143372
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x1bbd/0x1ca0 mm/page_alloc.c:4192
__alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
__page_cache_alloc+0xce/0x440 mm/filemap.c:1022
pagecache_get_page+0x9b6/0xf10 mm/filemap.c:1940
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x282/0x1060 fs/jfs/jfs_metapage.c:614
xtSplitRoot+0xd9/0xdd0 fs/jfs/jfs_xtree.c:1238
xtSplitUp+0x2d6/0x1c60 fs/jfs/jfs_xtree.c:781
xtInsert+0x403/0xc50 fs/jfs/jfs_xtree.c:604
extAlloc+0xa1f/0xf80 fs/jfs/jfs_extent.c:148
jfs_get_block+0x355/0xad0 fs/jfs/inode.c:264
get_more_blocks fs/direct-io.c:673 [inline]
do_direct_IO fs/direct-io.c:959 [inline]
do_blockdev_direct_IO fs/direct-io.c:1276 [inline]
__blockdev_direct_IO+0x13d4/0x3a70 fs/direct-io.c:1368
blockdev_direct_IO include/linux/fs.h:3345 [inline]
jfs_direct_IO+0x119/0x220 fs/jfs/inode.c:349
generic_file_direct_write+0x22c/0x490 mm/filemap.c:3687
__generic_file_write_iter+0x2b1/0x4e0 mm/filemap.c:3869
generic_file_write_iter+0xa6/0x1b0 mm/filemap.c:3944
do_iter_readv_writev+0x47e/0x5f0 fs/read_write.c:-1
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
free_unref_page+0x8f/0x2a0 mm/page_alloc.c:3396
free_contig_range+0x96/0xf0 mm/page_alloc.c:9428
destroy_args+0xf0/0xa00 mm/debug_vm_pgtable.c:1018
debug_vm_pgtable+0x321/0x380 mm/debug_vm_pgtable.c:1336
do_one_initcall+0x272/0x730 init/main.c:1316
do_initcall_level+0x137/0x1f0 init/main.c:1389
do_initcalls+0x4b/0x90 init/main.c:1405
kernel_init_freeable+0x3e9/0x570 init/main.c:1629
kernel_init+0x19/0x1b0 init/main.c:1520
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Modules linked in:
CPU: 1 PID: 4635 Comm: syz.3.88 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x383/0x6c0 mm/page_alloc.c:3317
free_unref_page_list+0x119/0x820 mm/page_alloc.c:3433
release_pages+0x186c/0x1be0 mm/swap.c:963
__pagevec_release+0x6d/0xe0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x362/0xfe0 mm/truncate.c:329
jfs_remount+0x33d/0x5b0 fs/jfs/super.c:456
reconfigure_super+0x219/0x8a0 fs/super.c:938
do_remount fs/namespace.c:2697 [inline]
path_mount+0xd54/0x1030 fs/namespace.c:3356
do_mount fs/namespace.c:3377 [inline]
__do_sys_mount fs/namespace.c:3585 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7507542a0a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7505758e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f7505758ee0 RCX: 00007f7507542a0a
RDX: 0000200000000f40 RSI: 0000200000000140 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007f7505758ee0 R09: 0000000001a4a438
R10: 0000000001a4a438 R11: 0000000000000246 R12: 0000200000000140
R13: 00007f7505758ea0 R14: 0000000000000000 R15: 00002000000008c0
BUG: Bad page state in process syz.3.88 pfn:5d33d
page:ffffea000174cf40 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1c pfn:0x5d33d
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea0001d32748 ffffc9000376f980 0000000000000000
raw: 000000000000001c ffff88807739bba0 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 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4606, ts 114704683207, free_ts 114389924416
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x1bbd/0x1ca0 mm/page_alloc.c:4192
__alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
__page_cache_alloc+0xce/0x440 mm/filemap.c:1022
do_read_cache_page+0x1da/0x1030 mm/filemap.c:3457
read_mapping_page include/linux/pagemap.h:515 [inline]
__get_metapage+0x35d/0x1060 fs/jfs/jfs_metapage.c:621
diRead+0x6f7/0xbb0 fs/jfs/jfs_imap.c:367
jfs_iget+0x89/0x3f0 fs/jfs/inode.c:35
jfs_fill_super+0x73b/0xb00 fs/jfs/super.c:585
mount_bdev+0x287/0x3c0 fs/super.c:1400
legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
vfs_get_tree+0x88/0x270 fs/super.c:1530
do_new_mount+0x24a/0xa40 fs/namespace.c:3034
do_mount fs/namespace.c:3377 [inline]
__do_sys_mount fs/namespace.c:3585 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
free_unref_page_list+0x119/0x820 mm/page_alloc.c:3433
release_pages+0x186c/0x1be0 mm/swap.c:963
tlb_batch_pages_flush mm/mmu_gather.c:49 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:240 [inline]
tlb_flush_mmu mm/mmu_gather.c:247 [inline]
tlb_finish_mmu+0x176/0x300 mm/mmu_gather.c:338
exit_mmap+0x3d0/0x640 mm/mmap.c:3218
__mmput+0x115/0x3b0 kernel/fork.c:1127
exit_mm+0x588/0x6e0 kernel/exit.c:550
do_exit+0x5a9/0x20c0 kernel/exit.c:870
do_group_exit+0x12e/0x300 kernel/exit.c:997
get_signal+0x6ca/0x12c0 kernel/signal.c:2900
arch_do_signal_or_restart+0xe7/0x12c0 arch/x86/kernel/signal.c:867
handle_signal_work kernel/entry/common.c:154 [inline]
exit_to_user_mode_loop+0x9e/0x130 kernel/entry/common.c:178
exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214
__syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x66/0xd0
Modules linked in:
CPU: 1 PID: 4635 Comm: syz.3.88 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x383/0x6c0 mm/page_alloc.c:3317
free_unref_page_list+0x119/0x820 mm/page_alloc.c:3433
release_pages+0x186c/0x1be0 mm/swap.c:963
__pagevec_release+0x6d/0xe0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x362/0xfe0 mm/truncate.c:329
jfs_remount+0x33d/0x5b0 fs/jfs/super.c:456
reconfigure_super+0x219/0x8a0 fs/super.c:938
do_remount fs/namespace.c:2697 [inline]
path_mount+0xd54/0x1030 fs/namespace.c:3356
do_mount fs/namespace.c:3377 [inline]
__do_sys_mount fs/namespace.c:3585 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7507542a0a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7505758e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f7505758ee0 RCX: 00007f7507542a0a
RDX: 0000200000000f40 RSI: 0000200000000140 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007f7505758ee0 R09: 0000000001a4a438
R10: 0000000001a4a438 R11: 0000000000000246 R12: 0000200000000140
R13: 00007f7505758ea0 R14: 0000000000000000 R15: 00002000000008c0
BUG: Bad page state in process syz.3.88 pfn:55d0a
page:ffffea0001574280 refcount:0 mapcount:0 mapping:0000000000000000 index:0x7a5 pfn:0x55d0a
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea0001573088 ffffc9000376f980 0000000000000000
raw: 00000000000007a5 ffff8880242803e0 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 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4606, ts 115274247495, free_ts 22108576919
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x1bbd/0x1ca0 mm/page_alloc.c:4192
__alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
__page_cache_alloc+0xce/0x440 mm/filemap.c:1022
pagecache_get_page+0x9b6/0xf10 mm/filemap.c:1940
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x282/0x1060 fs/jfs/jfs_metapage.c:614
xtSplitPage+0x238/0x1c50 fs/jfs/jfs_xtree.c:985
xtSplitUp+0x2b7/0x1c60 fs/jfs/jfs_xtree.c:782
xtInsert+0x403/0xc50 fs/jfs/jfs_xtree.c:604
extAlloc+0xa1f/0xf80 fs/jfs/jfs_extent.c:148
jfs_get_block+0x355/0xad0 fs/jfs/inode.c:264
get_more_blocks fs/direct-io.c:673 [inline]
do_direct_IO fs/direct-io.c:959 [inline]
do_blockdev_direct_IO fs/direct-io.c:1276 [inline]
__blockdev_direct_IO+0x13d4/0x3a70 fs/direct-io.c:1368
blockdev_direct_IO include/linux/fs.h:3345 [inline]
jfs_direct_IO+0x119/0x220 fs/jfs/inode.c:349
generic_file_direct_write+0x22c/0x490 mm/filemap.c:3687
__generic_file_write_iter+0x2b1/0x4e0 mm/filemap.c:3869
generic_file_write_iter+0xa6/0x1b0 mm/filemap.c:3944
do_iter_readv_writev+0x47e/0x5f0 fs/read_write.c:-1
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
free_unref_page+0x8f/0x2a0 mm/page_alloc.c:3396
free_contig_range+0x96/0xf0 mm/page_alloc.c:9428
destroy_args+0xf0/0xa00 mm/debug_vm_pgtable.c:1018
debug_vm_pgtable+0x321/0x380 mm/debug_vm_pgtable.c:1336
do_one_initcall+0x272/0x730 init/main.c:1316
do_initcall_level+0x137/0x1f0 init/main.c:1389
do_initcalls+0x4b/0x90 init/main.c:1405
kernel_init_freeable+0x3e9/0x570 init/main.c:1629
kernel_init+0x19/0x1b0 init/main.c:1520
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Modules linked in:
CPU: 1 PID: 4635 Comm: syz.3.88 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x383/0x6c0 mm/page_alloc.c:3317
free_unref_page_list+0x119/0x820 mm/page_alloc.c:3433
release_pages+0x186c/0x1be0 mm/swap.c:963
__pagevec_release+0x6d/0xe0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x362/0xfe0 mm/truncate.c:329
jfs_remount+0x33d/0x5b0 fs/jfs/super.c:456
reconfigure_super+0x219/0x8a0 fs/super.c:938
do_remount fs/namespace.c:2697 [inline]
path_mount+0xd54/0x1030 fs/namespace.c:3356
do_mount fs/namespace.c:3377 [inline]
__do_sys_mount fs/namespace.c:3585 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7507542a0a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7505758e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f7505758ee0 RCX: 00007f7507542a0a
RDX: 0000200000000f40 RSI: 0000200000000140 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007f7505758ee0 R09: 0000000001a4a438
R10: 0000000001a4a438 R11: 0000000000000246 R12: 0000200000000140
R13: 00007f7505758ea0 R14: 0000000000000000 R15: 00002000000008c0
BUG: Bad page state in process syz.3.88 pfn:55cc2
page:ffffea0001573080 refcount:0 mapcount:0 mapping:0000000000000000 index:0x71e pfn:0x55cc2
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea000158f908 ffffc9000376f980 0000000000000000
raw: 000000000000071e ffff8880242807c0 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 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4606, ts 115210319895, free_ts 22108193309
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x1bbd/0x1ca0 mm/page_alloc.c:4192
__alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
__page_cache_alloc+0xce/0x440 mm/filemap.c:1022
pagecache_get_page+0x9b6/0xf10 mm/filemap.c:1940
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x282/0x1060 fs/jfs/jfs_metapage.c:614
xtSplitPage+0x238/0x1c50 fs/jfs/jfs_xtree.c:985
xtSplitUp+0x2b7/0x1c60 fs/jfs/jfs_xtree.c:782
xtInsert+0x403/0xc50 fs/jfs/jfs_xtree.c:604
extAlloc+0xa1f/0xf80 fs/jfs/jfs_extent.c:148
jfs_get_block+0x355/0xad0 fs/jfs/inode.c:264
get_more_blocks fs/direct-io.c:673 [inline]
do_direct_IO fs/direct-io.c:959 [inline]
do_blockdev_direct_IO fs/direct-io.c:1276 [inline]
__blockdev_direct_IO+0x13d4/0x3a70 fs/direct-io.c:1368
blockdev_direct_IO include/linux/fs.h:3345 [inline]
jfs_direct_IO+0x119/0x220 fs/jfs/inode.c:349
generic_file_direct_write+0x22c/0x490 mm/filemap.c:3687
__generic_file_write_iter+0x2b1/0x4e0 mm/filemap.c:3869
generic_file_write_iter+0xa6/0x1b0 mm/filemap.c:3944
do_iter_readv_writev+0x47e/0x5f0 fs/read_write.c:-1
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
free_unref_page+0x8f/0x2a0 mm/page_alloc.c:3396
free_contig_range+0x96/0xf0 mm/page_alloc.c:9428
destroy_args+0xf0/0xa00 mm/debug_vm_pgtable.c:1018
debug_vm_pgtable+0x321/0x380 mm/debug_vm_pgtable.c:1336
do_one_initcall+0x272/0x730 init/main.c:1316
do_initcall_level+0x137/0x1f0 init/main.c:1389
do_initcalls+0x4b/0x90 init/main.c:1405
kernel_init_freeable+0x3e9/0x570 init/main.c:1629
kernel_init+0x19/0x1b0 init/main.c:1520
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Modules linked in:
CPU: 1 PID: 4635 Comm: syz.3.88 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x383/0x6c0 mm/page_alloc.c:3317
free_unref_page_list+0x119/0x820 mm/page_alloc.c:3433
release_pages+0x186c/0x1be0 mm/swap.c:963
__pagevec_release+0x6d/0xe0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x362/0xfe0 mm/truncate.c:329
jfs_remount+0x33d/0x5b0 fs/jfs/super.c:456
reconfigure_super+0x219/0x8a0 fs/super.c:938
do_remount fs/namespace.c:2697 [inline]
path_mount+0xd54/0x1030 fs/namespace.c:3356
do_mount fs/namespace.c:3377 [inline]
__do_sys_mount fs/namespace.c:3585 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7507542a0a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7505758e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f7505758ee0 RCX: 00007f7507542a0a
RDX: 0000200000000f40 RSI: 0000200000000140 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007f7505758ee0 R09: 0000000001a4a438
R10: 0000000001a4a438 R11: 0000000000000246 R12: 0000200000000140
R13: 00007f7505758ea0 R14: 0000000000000000 R15: 00002000000008c0
BUG: Bad page state in process syz.3.88 pfn:563e4
page:ffffea000158f900 refcount:0 mapcount:0 mapping:0000000000000000 index:0x696 pfn:0x563e4
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea000158d808 ffffc9000376f980 0000000000000000
raw: 0000000000000696 ffff8880242805d0 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 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4606, ts 115188401219, free_ts 22118215146
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x1bbd/0x1ca0 mm/page_alloc.c:4192
__alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
__page_cache_alloc+0xce/0x440 mm/filemap.c:1022
pagecache_get_page+0x9b6/0xf10 mm/filemap.c:1940
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x282/0x1060 fs/jfs/jfs_metapage.c:614
xtSplitPage+0x238/0x1c50 fs/jfs/jfs_xtree.c:985
xtSplitUp+0x2b7/0x1c60 fs/jfs/jfs_xtree.c:782
xtInsert+0x403/0xc50 fs/jfs/jfs_xtree.c:604
extAlloc+0xa1f/0xf80 fs/jfs/jfs_extent.c:148
jfs_get_block+0x355/0xad0 fs/jfs/inode.c:264
get_more_blocks fs/direct-io.c:673 [inline]
do_direct_IO fs/direct-io.c:959 [inline]
do_blockdev_direct_IO fs/direct-io.c:1276 [inline]
__blockdev_direct_IO+0x13d4/0x3a70 fs/direct-io.c:1368
blockdev_direct_IO include/linux/fs.h:3345 [inline]
jfs_direct_IO+0x119/0x220 fs/jfs/inode.c:349
generic_file_direct_write+0x22c/0x490 mm/filemap.c:3687
__generic_file_write_iter+0x2b1/0x4e0 mm/filemap.c:3869
generic_file_write_iter+0xa6/0x1b0 mm/filemap.c:3944
do_iter_readv_writev+0x47e/0x5f0 fs/read_write.c:-1
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
free_unref_page+0x8f/0x2a0 mm/page_alloc.c:3396
free_contig_range+0x96/0xf0 mm/page_alloc.c:9428
destroy_args+0xf0/0xa00 mm/debug_vm_pgtable.c:1018
debug_vm_pgtable+0x321/0x380 mm/debug_vm_pgtable.c:1336
do_one_initcall+0x272/0x730 init/main.c:1316
do_initcall_level+0x137/0x1f0 init/main.c:1389
do_initcalls+0x4b/0x90 init/main.c:1405
kernel_init_freeable+0x3e9/0x570 init/main.c:1629
kernel_init+0x19/0x1b0 init/main.c:1520
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Modules linked in:
CPU: 1 PID: 4635 Comm: syz.3.88 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x383/0x6c0 mm/page_alloc.c:3317
free_unref_page_list+0x119/0x820 mm/page_alloc.c:3433
release_pages+0x186c/0x1be0 mm/swap.c:963
__pagevec_release+0x6d/0xe0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x362/0xfe0 mm/truncate.c:329
jfs_remount+0x33d/0x5b0 fs/jfs/super.c:456
reconfigure_super+0x219/0x8a0 fs/super.c:938
do_remount fs/namespace.c:2697 [inline]
path_mount+0xd54/0x1030 fs/namespace.c:3356
do_mount fs/namespace.c:3377 [inline]
__do_sys_mount fs/namespace.c:3585 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7507542a0a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7505758e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f7505758ee0 RCX: 00007f7507542a0a
RDX: 0000200000000f40 RSI: 0000200000000140 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007f7505758ee0 R09: 0000000001a4a438
R10: 0000000001a4a438 R11: 0000000000000246 R12: 0000200000000140
R13: 00007f7505758ea0 R14: 0000000000000000 R15: 00002000000008c0
BUG: Bad page state in process syz.3.88 pfn:56360
page:ffffea000158d800 refcount:0 mapcount:0 mapping:0000000000000000 index:0x60f pfn:0x56360
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffc9000376f980 ffffc9000376f980 0000000000000000
raw: 000000000000060f ffff8880242808b8 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 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4606, ts 115142914202, free_ts 22117511379
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x1bbd/0x1ca0 mm/page_alloc.c:4192
__alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
__page_cache_alloc+0xce/0x440 mm/filemap.c:1022
pagecache_get_page+0x9b6/0xf10 mm/filemap.c:1940
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x282/0x1060 fs/jfs/jfs_metapage.c:614
xtSplitPage+0x238/0x1c50 fs/jfs/jfs_xtree.c:985
xtSplitUp+0x2b7/0x1c60 fs/jfs/jfs_xtree.c:782
xtInsert+0x403/0xc50 fs/jfs/jfs_xtree.c:604
extAlloc+0xa1f/0xf80 fs/jfs/jfs_extent.c:148
jfs_get_block+0x355/0xad0 fs/jfs/inode.c:264
get_more_blocks fs/direct-io.c:673 [inline]
do_direct_IO fs/direct-io.c:959 [inline]
do_blockdev_direct_IO fs/direct-io.c:1276 [inline]
__blockdev_direct_IO+0x13d4/0x3a70 fs/direct-io.c:1368
blockdev_direct_IO include/linux/fs.h:3345 [inline]
jfs_direct_IO+0x119/0x220 fs/jfs/inode.c:349
generic_file_direct_write+0x22c/0x490 mm/filemap.c:3687
__generic_file_write_iter+0x2b1/0x4e0 mm/filemap.c:3869
generic_file_write_iter+0xa6/0x1b0 mm/filemap.c:3944
do_iter_readv_writev+0x47e/0x5f0 fs/read_write.c:-1
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
free_unref_page+0x8f/0x2a0 mm/page_alloc.c:3396
free_contig_range+0x96/0xf0 mm/page_alloc.c:9428
destroy_args+0xf0/0xa00 mm/debug_vm_pgtable.c:1018
debug_vm_pgtable+0x321/0x380 mm/debug_vm_pgtable.c:1336
do_one_initcall+0x272/0x730 init/main.c:1316
do_initcall_level+0x137/0x1f0 init/main.c:1389
do_initcalls+0x4b/0x90 init/main.c:1405
kernel_init_freeable+0x3e9/0x570 init/main.c:1629
kernel_init+0x19/0x1b0 init/main.c:1520
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Modules linked in:
CPU: 1 PID: 4635 Comm: syz.3.88 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x383/0x6c0 mm/page_alloc.c:3317
free_unref_page_list+0x119/0x820 mm/page_alloc.c:3433
release_pages+0x186c/0x1be0 mm/swap.c:963
__pagevec_release+0x6d/0xe0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x362/0xfe0 mm/truncate.c:329
jfs_remount+0x33d/0x5b0 fs/jfs/super.c:456
reconfigure_super+0x219/0x8a0 fs/super.c:938
do_remount fs/namespace.c:2697 [inline]
path_mount+0xd54/0x1030 fs/namespace.c:3356
do_mount fs/namespace.c:3377 [inline]
__do_sys_mount fs/namespace.c:3585 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7507542a0a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7505758e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f7505758ee0 RCX: 00007f7507542a0a
RDX: 0000200000000f40 RSI: 0000200000000140 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007f7505758ee0 R09: 0000000001a4a438
R10: 0000000001a4a438 R11: 0000000000000246 R12: 0000200000000140
R13: 00007f7505758ea0 R14: 0000000000000000 R15: 00002000000008c0