BUG: Bad page map in process syz-executor.1 pte:fffff675a4120 pmd:4f7f7067
page:ffffea00026296c0 refcount:9 mapcount:-1 mapping:ffff888089d51b50 index:0x3 pfn:0x98a5b
head:ffffea0002629600 order:2 entire_mapcount:0 nr_pages_mapped:8388607 pincount:0
memcg:ffff88808e938000
aops:xfs_address_space_operations ino:244a dentry name:"bus"
flags: 0xfff0000000816c(referenced|uptodate|lru|active|private|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0002629601 dead000000000122 dead000000000400
raw: 0000000000000001 0000000000000000 00000000fffffffe 0000000000000000
head: 00fff0000000816c ffffea0000c99048 ffff88808e933030 ffff888089d51b50
head: 0000000000000000 ffff88801c280080 00000009ffffffff ffff88808e938000
page dumped because: bad pte
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Movable, gfp_mask 0x152c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE), pid 6434, tgid 6433 (syz-executor.1), ts 1204484745976, free_ts 1203979432881
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x1e6/0x210 mm/page_alloc.c:1536
prep_new_page mm/page_alloc.c:1543 [inline]
get_page_from_freelist+0x31ec/0x3370 mm/page_alloc.c:3183
__alloc_pages+0x255/0x670 mm/page_alloc.c:4439
folio_alloc+0x1e/0x60 mm/mempolicy.c:2308
filemap_alloc_folio+0xde/0x500 mm/filemap.c:979
ra_alloc_folio mm/readahead.c:468 [inline]
page_cache_ra_order+0x423/0xcc0 mm/readahead.c:524
do_sync_mmap_readahead+0x444/0x850
filemap_fault+0x7d3/0x1710 mm/filemap.c:3294
__xfs_filemap_fault+0x286/0x960 fs/xfs/xfs_file.c:1354
__do_fault+0x133/0x4e0 mm/memory.c:4204
do_read_fault mm/memory.c:4568 [inline]
do_fault mm/memory.c:4705 [inline]
do_pte_missing mm/memory.c:3669 [inline]
handle_pte_fault mm/memory.c:4978 [inline]
__handle_mm_fault mm/memory.c:5119 [inline]
handle_mm_fault+0x48d2/0x6200 mm/memory.c:5284
faultin_page mm/gup.c:956 [inline]
__get_user_pages+0x6bd/0x15e0 mm/gup.c:1239
__get_user_pages_locked mm/gup.c:1504 [inline]
get_dump_page+0x146/0x2b0 mm/gup.c:2018
dump_user_range+0x126/0x910 fs/coredump.c:913
elf_core_dump+0x3b75/0x4490 fs/binfmt_elf.c:2142
do_coredump+0x1b73/0x2ab0 fs/coredump.c:764
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1136 [inline]
free_unref_page_prepare+0x8c3/0x9f0 mm/page_alloc.c:2312
free_unref_page_list+0x596/0x830 mm/page_alloc.c:2451
release_pages+0x2113/0x23f0 mm/swap.c:1042
__folio_batch_release+0x84/0x100 mm/swap.c:1062
folio_batch_release include/linux/pagevec.h:83 [inline]
shmem_undo_range+0x6ad/0x19c0 mm/shmem.c:1022
shmem_truncate_range mm/shmem.c:1114 [inline]
shmem_evict_inode+0x29e/0xa80 mm/shmem.c:1243
evict+0x2a4/0x620 fs/inode.c:664
__dentry_kill+0x436/0x650 fs/dcache.c:607
dentry_kill+0xbb/0x290
dput+0x1f3/0x420 fs/dcache.c:913
__fput+0x60d/0x910 fs/file_table.c:392
task_work_run+0x24a/0x300 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296
do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
addr:0000000020006000 vm_flags:080000d0 anon_vma:0000000000000000 mapping:ffff888089d51b50 index:5
file:bus fault:xfs_filemap_fault mmap:xfs_file_mmap read_folio:xfs_vm_read_folio
CPU: 1 PID: 6433 Comm: syz-executor.1 Not tainted 6.5.0-syzkaller-11704-g3f86ed6ec0b3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
print_bad_pte+0x581/0x5c0 mm/memory.c:535
zap_pte_range mm/memory.c:1458 [inline]
zap_pmd_range mm/memory.c:1573 [inline]
zap_pud_range mm/memory.c:1602 [inline]
zap_p4d_range mm/memory.c:1623 [inline]
unmap_page_range+0x1a76/0x3300 mm/memory.c:1644
unmap_vmas+0x209/0x3a0 mm/memory.c:1731
exit_mmap+0x297/0xc50 mm/mmap.c:3210
__mmput+0x115/0x3c0 kernel/fork.c:1349
exit_mm+0x21f/0x300 kernel/exit.c:567
do_exit+0x612/0x2290 kernel/exit.c:861
do_group_exit+0x206/0x2c0 kernel/exit.c:1024
get_signal+0x175d/0x1840 kernel/signal.c:2892
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:309
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296
do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f713727cae9
Code: Unable to access opcode bytes at 0x7f713727cabf.
RSP: 002b:00007ffc258b08c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 00007f713727cae9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f713739bf88
RBP: 0000000000000048 R08: 00007f713739bf8c R09: 00007f713739bf8c
R10: 00007f7136e09c88 R11: 0000000000000246 R12: 00007f713739bf80
R13: 0000000000000b6c R14: 0000000000000000 R15: 00007f713739bf80
BUG: Bad page map in process syz-executor.1 pte:fffff675a5120 pmd:4f7f7067
page:ffffea0002629680 refcount:9 mapcount:-1 mapping:ffff888089d51b50 index:0x2 pfn:0x98a5a
head:ffffea0002629600 order:2 entire_mapcount:0 nr_pages_mapped:8388606 pincount:0
memcg:ffff88808e938000
aops:xfs_address_space_operations ino:244a dentry name:"bus"
flags: 0xfff0000000816c(referenced|uptodate|lru|active|private|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0002629601 ffffea0002629690 ffffea0002629690
raw: 0000000000000001 0000000000000000 00000000fffffffe 0000000000000000
head: 00fff0000000816c ffffea0000c99048 ffff88808e933030 ffff888089d51b50
head: 0000000000000000 ffff88801c280080 00000009ffffffff ffff88808e938000
page dumped because: bad pte
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Movable, gfp_mask 0x152c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE), pid 6434, tgid 6433 (syz-executor.1), ts 1204484745976, free_ts 1203979443983
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x1e6/0x210 mm/page_alloc.c:1536
prep_new_page mm/page_alloc.c:1543 [inline]
get_page_from_freelist+0x31ec/0x3370 mm/page_alloc.c:3183
__alloc_pages+0x255/0x670 mm/page_alloc.c:4439
folio_alloc+0x1e/0x60 mm/mempolicy.c:2308
filemap_alloc_folio+0xde/0x500 mm/filemap.c:979
ra_alloc_folio mm/readahead.c:468 [inline]
page_cache_ra_order+0x423/0xcc0 mm/readahead.c:524
do_sync_mmap_readahead+0x444/0x850
filemap_fault+0x7d3/0x1710 mm/filemap.c:3294
__xfs_filemap_fault+0x286/0x960 fs/xfs/xfs_file.c:1354
__do_fault+0x133/0x4e0 mm/memory.c:4204
do_read_fault mm/memory.c:4568 [inline]
do_fault mm/memory.c:4705 [inline]
do_pte_missing mm/memory.c:3669 [inline]
handle_pte_fault mm/memory.c:4978 [inline]
__handle_mm_fault mm/memory.c:5119 [inline]
handle_mm_fault+0x48d2/0x6200 mm/memory.c:5284
faultin_page mm/gup.c:956 [inline]
__get_user_pages+0x6bd/0x15e0 mm/gup.c:1239
__get_user_pages_locked mm/gup.c:1504 [inline]
get_dump_page+0x146/0x2b0 mm/gup.c:2018
dump_user_range+0x126/0x910 fs/coredump.c:913
elf_core_dump+0x3b75/0x4490 fs/binfmt_elf.c:2142
do_coredump+0x1b73/0x2ab0 fs/coredump.c:764
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1136 [inline]
free_unref_page_prepare+0x8c3/0x9f0 mm/page_alloc.c:2312
free_unref_page_list+0x596/0x830 mm/page_alloc.c:2451
release_pages+0x2113/0x23f0 mm/swap.c:1042
__folio_batch_release+0x84/0x100 mm/swap.c:1062
folio_batch_release include/linux/pagevec.h:83 [inline]
shmem_undo_range+0x6ad/0x19c0 mm/shmem.c:1022
shmem_truncate_range mm/shmem.c:1114 [inline]
shmem_evict_inode+0x29e/0xa80 mm/shmem.c:1243
evict+0x2a4/0x620 fs/inode.c:664
__dentry_kill+0x436/0x650 fs/dcache.c:607
dentry_kill+0xbb/0x290
dput+0x1f3/0x420 fs/dcache.c:913
__fput+0x60d/0x910 fs/file_table.c:392
task_work_run+0x24a/0x300 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296
do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
addr:0000000020007000 vm_flags:080000d0 anon_vma:0000000000000000 mapping:ffff888089d51b50 index:6
file:bus fault:xfs_filemap_fault mmap:xfs_file_mmap read_folio:xfs_vm_read_folio
CPU: 0 PID: 6433 Comm: syz-executor.1 Tainted: G B 6.5.0-syzkaller-11704-g3f86ed6ec0b3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
print_bad_pte+0x581/0x5c0 mm/memory.c:535
zap_pte_range mm/memory.c:1458 [inline]
zap_pmd_range mm/memory.c:1573 [inline]
zap_pud_range mm/memory.c:1602 [inline]
zap_p4d_range mm/memory.c:1623 [inline]
unmap_page_range+0x1a76/0x3300 mm/memory.c:1644
unmap_vmas+0x209/0x3a0 mm/memory.c:1731
exit_mmap+0x297/0xc50 mm/mmap.c:3210
__mmput+0x115/0x3c0 kernel/fork.c:1349
exit_mm+0x21f/0x300 kernel/exit.c:567
do_exit+0x612/0x2290 kernel/exit.c:861
do_group_exit+0x206/0x2c0 kernel/exit.c:1024
get_signal+0x175d/0x1840 kernel/signal.c:2892
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:309
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296
do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f713727cae9
Code: Unable to access opcode bytes at 0x7f713727cabf.
RSP: 002b:00007ffc258b08c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 00007f713727cae9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f713739bf88
RBP: 0000000000000048 R08: 00007f713739bf8c R09: 00007f713739bf8c
R10: 00007f7136e09c88 R11: 0000000000000246 R12: 00007f713739bf80
R13: 0000000000000b6c R14: 0000000000000000 R15: 00007f713739bf80
BUG: Bad page map in process syz-executor.1 pte:fffff675a6120 pmd:4f7f7067
page:ffffea0002629640 refcount:9 mapcount:-1 mapping:ffff888089d51b50 index:0x1 pfn:0x98a59
head:ffffea0002629600 order:2 entire_mapcount:0 nr_pages_mapped:8388605 pincount:0
memcg:ffff88808e938000
aops:xfs_address_space_operations ino:244a dentry name:"bus"
flags: 0xfff0000000816c(referenced|uptodate|lru|active|private|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000202 ffffea0002629601 dead000000000122 fffffffdffffffff
raw: 0000000400000000 0000000000000000 00000000fffffffe 0000000000000000
head: 00fff0000000816c ffffea0000c99048 ffff88808e933030 ffff888089d51b50
head: 0000000000000000 ffff88801c280080 00000009ffffffff ffff88808e938000
page dumped because: bad pte
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Movable, gfp_mask 0x152c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE), pid 6434, tgid 6433 (syz-executor.1), ts 1204484745976, free_ts 1203979455741
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x1e6/0x210 mm/page_alloc.c:1536
prep_new_page mm/page_alloc.c:1543 [inline]
get_page_from_freelist+0x31ec/0x3370 mm/page_alloc.c:3183
__alloc_pages+0x255/0x670 mm/page_alloc.c:4439
folio_alloc+0x1e/0x60 mm/mempolicy.c:2308
filemap_alloc_folio+0xde/0x500 mm/filemap.c:979
ra_alloc_folio mm/readahead.c:468 [inline]
page_cache_ra_order+0x423/0xcc0 mm/readahead.c:524
do_sync_mmap_readahead+0x444/0x850
filemap_fault+0x7d3/0x1710 mm/filemap.c:3294
__xfs_filemap_fault+0x286/0x960 fs/xfs/xfs_file.c:1354
__do_fault+0x133/0x4e0 mm/memory.c:4204
do_read_fault mm/memory.c:4568 [inline]
do_fault mm/memory.c:4705 [inline]
do_pte_missing mm/memory.c:3669 [inline]
handle_pte_fault mm/memory.c:4978 [inline]
__handle_mm_fault mm/memory.c:5119 [inline]
handle_mm_fault+0x48d2/0x6200 mm/memory.c:5284
faultin_page mm/gup.c:956 [inline]
__get_user_pages+0x6bd/0x15e0 mm/gup.c:1239
__get_user_pages_locked mm/gup.c:1504 [inline]
get_dump_page+0x146/0x2b0 mm/gup.c:2018
dump_user_range+0x126/0x910 fs/coredump.c:913
elf_core_dump+0x3b75/0x4490 fs/binfmt_elf.c:2142
do_coredump+0x1b73/0x2ab0 fs/coredump.c:764
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1136 [inline]
free_unref_page_prepare+0x8c3/0x9f0 mm/page_alloc.c:2312
free_unref_page_list+0x596/0x830 mm/page_alloc.c:2451
release_pages+0x2113/0x23f0 mm/swap.c:1042
__folio_batch_release+0x84/0x100 mm/swap.c:1062
folio_batch_release include/linux/pagevec.h:83 [inline]
shmem_undo_range+0x6ad/0x19c0 mm/shmem.c:1022
shmem_truncate_range mm/shmem.c:1114 [inline]
shmem_evict_inode+0x29e/0xa80 mm/shmem.c:1243
evict+0x2a4/0x620 fs/inode.c:664
__dentry_kill+0x436/0x650 fs/dcache.c:607
dentry_kill+0xbb/0x290
dput+0x1f3/0x420 fs/dcache.c:913
__fput+0x60d/0x910 fs/file_table.c:392
task_work_run+0x24a/0x300 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296
do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
addr:0000000020008000 vm_flags:080000d0 anon_vma:0000000000000000 mapping:ffff888089d51b50 index:7
file:bus fault:xfs_filemap_fault mmap:xfs_file_mmap read_folio:xfs_vm_read_folio
CPU: 1 PID: 6433 Comm: syz-executor.1 Tainted: G B 6.5.0-syzkaller-11704-g3f86ed6ec0b3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
print_bad_pte+0x581/0x5c0 mm/memory.c:535
zap_pte_range mm/memory.c:1458 [inline]
zap_pmd_range mm/memory.c:1573 [inline]
zap_pud_range mm/memory.c:1602 [inline]
zap_p4d_range mm/memory.c:1623 [inline]
unmap_page_range+0x1a76/0x3300 mm/memory.c:1644
unmap_vmas+0x209/0x3a0 mm/memory.c:1731
exit_mmap+0x297/0xc50 mm/mmap.c:3210
__mmput+0x115/0x3c0 kernel/fork.c:1349
exit_mm+0x21f/0x300 kernel/exit.c:567
do_exit+0x612/0x2290 kernel/exit.c:861
do_group_exit+0x206/0x2c0 kernel/exit.c:1024
get_signal+0x175d/0x1840 kernel/signal.c:2892
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:309
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296
do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f713727cae9
Code: Unable to access opcode bytes at 0x7f713727cabf.
RSP: 002b:00007ffc258b08c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 00007f713727cae9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f713739bf88
RBP: 0000000000000048 R08: 00007f713739bf8c R09: 00007f713739bf8c
R10: 00007f7136e09c88 R11: 0000000000000246 R12: 00007f713739bf80
R13: 0000000000000b6c R14: 0000000000000000 R15: 00007f713739bf80
BUG: Bad page map in process syz-executor.1 pte:fffff64890120 pmd:4f7f7067
page:ffffea00026ddbc0 refcount:2 mapcount:-1 mapping:ffff88801abf9e38 index:0xc60 pfn:0x9b76f
memcg:ffff88808e938000
aops:shmem_aops ino:76d dentry name:"memfd:syzkaller"
flags: 0xfff00000080038(uptodate|dirty|lru|swapbacked|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xfffffffe()
raw: 00fff00000080038 ffffea00026ddb88 ffffea000276ca08 ffff88801abf9e38
raw: 0000000000000c60 0000000000000000 00000002fffffffe ffff88808e938000
page dumped because: bad pte
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Movable, gfp_mask 0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), pid 6434, tgid 6433 (syz-executor.1), ts 1204270933436, free_ts 1203699719046
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x1e6/0x210 mm/page_alloc.c:1536
prep_new_page mm/page_alloc.c:1543 [inline]
get_page_from_freelist+0x31ec/0x3370 mm/page_alloc.c:3183
__alloc_pages+0x255/0x670 mm/page_alloc.c:4439
__folio_alloc+0x13/0x30 mm/page_alloc.c:4471
vma_alloc_folio+0x48a/0x9a0 mm/mempolicy.c:2259
shmem_alloc_folio mm/shmem.c:1658 [inline]
shmem_alloc_and_acct_folio+0x438/0x9b0 mm/shmem.c:1683
shmem_get_folio_gfp+0xca4/0x2b60 mm/shmem.c:2020
shmem_get_folio mm/shmem.c:2143 [inline]
shmem_write_begin+0x170/0x300 mm/shmem.c:2688
generic_perform_write+0x31b/0x630 mm/filemap.c:3945
shmem_file_write_iter+0xfc/0x120 mm/shmem.c:2865
call_write_iter include/linux/fs.h:1985 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x782/0xaf0 fs/read_write.c:584
ksys_write+0x1a0/0x2c0 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1136 [inline]
free_unref_page_prepare+0x8c3/0x9f0 mm/page_alloc.c:2312
free_unref_page_list+0x596/0x830 mm/page_alloc.c:2451
release_pages+0x2113/0x23f0 mm/swap.c:1042
__folio_batch_release+0x84/0x100 mm/swap.c:1062
folio_batch_release include/linux/pagevec.h:83 [inline]
shmem_undo_range+0x6ad/0x19c0 mm/shmem.c:1022
shmem_truncate_range mm/shmem.c:1114 [inline]
shmem_evict_inode+0x29e/0xa80 mm/shmem.c:1243
evict+0x2a4/0x620 fs/inode.c:664
__dentry_kill+0x436/0x650 fs/dcache.c:607
dentry_kill+0xbb/0x290
dput+0x1f3/0x420 fs/dcache.c:913
__fput+0x60d/0x910 fs/file_table.c:392
task_work_run+0x24a/0x300 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296
do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
addr:000000002000a000 vm_flags:080000d0 anon_vma:0000000000000000 mapping:ffff888089d51b50 index:9
file:bus fault:xfs_filemap_fault mmap:xfs_file_mmap read_folio:xfs_vm_read_folio
CPU: 0 PID: 6433 Comm: syz-executor.1 Tainted: G B 6.5.0-syzkaller-11704-g3f86ed6ec0b3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
print_bad_pte+0x581/0x5c0 mm/memory.c:535
zap_pte_range mm/memory.c:1458 [inline]
zap_pmd_range mm/memory.c:1573 [inline]
zap_pud_range mm/memory.c:1602 [inline]
zap_p4d_range mm/memory.c:1623 [inline]
unmap_page_range+0x1a76/0x3300 mm/memory.c:1644
unmap_vmas+0x209/0x3a0 mm/memory.c:1731
exit_mmap+0x297/0xc50 mm/mmap.c:3210
__mmput+0x115/0x3c0 kernel/fork.c:1349
exit_mm+0x21f/0x300 kernel/exit.c:567
do_exit+0x612/0x2290 kernel/exit.c:861
do_group_exit+0x206/0x2c0 kernel/exit.c:1024
get_signal+0x175d/0x1840 kernel/signal.c:2892
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:309
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296
do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f713727cae9
Code: Unable to access opcode bytes at 0x7f713727cabf.
RSP: 002b:00007ffc258b08c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 00007f713727cae9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f713739bf88
RBP: 0000000000000048 R08: 00007f713739bf8c R09: 00007f713739bf8c
R10: 00007f7136e09c88 R11: 0000000000000246 R12: 00007f713739bf80
R13: 0000000000000b6c R14: 0000000000000000 R15: 00007f713739bf80
BUG: Bad page state in process syz-executor.1 pfn:9b76f
page:ffffea00026ddbc0 refcount:0 mapcount:-1 mapping:ffff88801abf9e38 index:0xc60 pfn:0x9b76f
aops:shmem_aops ino:76d dentry name:"memfd:syzkaller"
flags: 0xfff00000080018(uptodate|dirty|swapbacked|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xfffffffe()
raw: 00fff00000080018 ffffc90003a17300 ffffea0002799188 ffff88801abf9e38
raw: 0000000000000c60 0000000000000000 00000000fffffffe 0000000000000000
page dumped because: non-NULL mapping
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Movable, gfp_mask 0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), pid 6434, tgid 6433 (syz-executor.1), ts 1204270933436, free_ts 1203699719046
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x1e6/0x210 mm/page_alloc.c:1536
prep_new_page mm/page_alloc.c:1543 [inline]
get_page_from_freelist+0x31ec/0x3370 mm/page_alloc.c:3183
__alloc_pages+0x255/0x670 mm/page_alloc.c:4439
__folio_alloc+0x13/0x30 mm/page_alloc.c:4471
vma_alloc_folio+0x48a/0x9a0 mm/mempolicy.c:2259
shmem_alloc_folio mm/shmem.c:1658 [inline]
shmem_alloc_and_acct_folio+0x438/0x9b0 mm/shmem.c:1683
shmem_get_folio_gfp+0xca4/0x2b60 mm/shmem.c:2020
shmem_get_folio mm/shmem.c:2143 [inline]
shmem_write_begin+0x170/0x300 mm/shmem.c:2688
generic_perform_write+0x31b/0x630 mm/filemap.c:3945
shmem_file_write_iter+0xfc/0x120 mm/shmem.c:2865
call_write_iter include/linux/fs.h:1985 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x782/0xaf0 fs/read_write.c:584
ksys_write+0x1a0/0x2c0 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1136 [inline]
free_unref_page_prepare+0x8c3/0x9f0 mm/page_alloc.c:2312
free_unref_page_list+0x596/0x830 mm/page_alloc.c:2451
release_pages+0x2113/0x23f0 mm/swap.c:1042
__folio_batch_release+0x84/0x100 mm/swap.c:1062
folio_batch_release include/linux/pagevec.h:83 [inline]
shmem_undo_range+0x6ad/0x19c0 mm/shmem.c:1022
shmem_truncate_range mm/shmem.c:1114 [inline]
shmem_evict_inode+0x29e/0xa80 mm/shmem.c:1243
evict+0x2a4/0x620 fs/inode.c:664
__dentry_kill+0x436/0x650 fs/dcache.c:607
dentry_kill+0xbb/0x290
dput+0x1f3/0x420 fs/dcache.c:913
__fput+0x60d/0x910 fs/file_table.c:392
task_work_run+0x24a/0x300 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296
do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
Modules linked in:
CPU: 0 PID: 6433 Comm: syz-executor.1 Tainted: G B 6.5.0-syzkaller-11704-g3f86ed6ec0b3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:513
free_page_is_bad mm/page_alloc.c:959 [inline]
free_pages_prepare mm/page_alloc.c:1128 [inline]
free_unref_page_prepare+0x97c/0x9f0 mm/page_alloc.c:2312
free_unref_page_list+0x596/0x830 mm/page_alloc.c:2451
release_pages+0x2113/0x23f0 mm/swap.c:1042
tlb_batch_pages_flush mm/mmu_gather.c:98 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
tlb_flush_mmu+0x34c/0x4e0 mm/mmu_gather.c:300
zap_pte_range mm/memory.c:1534 [inline]
zap_pmd_range mm/memory.c:1573 [inline]
zap_pud_range mm/memory.c:1602 [inline]
zap_p4d_range mm/memory.c:1623 [inline]
unmap_page_range+0x29ce/0x3300 mm/memory.c:1644
unmap_vmas+0x209/0x3a0 mm/memory.c:1731
exit_mmap+0x297/0xc50 mm/mmap.c:3210
__mmput+0x115/0x3c0 kernel/fork.c:1349
exit_mm+0x21f/0x300 kernel/exit.c:567
do_exit+0x612/0x2290 kernel/exit.c:861
do_group_exit+0x206/0x2c0 kernel/exit.c:1024
get_signal+0x175d/0x1840 kernel/signal.c:2892
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:309
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296
do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f713727cae9
Code: Unable to access opcode bytes at 0x7f713727cabf.
RSP: 002b:00007ffc258b08c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 00007f713727cae9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f713739bf88
RBP: 0000000000000048 R08: 00007f713739bf8c R09: 00007f713739bf8c
R10: 00007f7136e09c88 R11: 0000000000000246 R12: 00007f713739bf80
R13: 0000000000000b6c R14: 0000000000000000 R15: 00007f713739bf80
BUG: Bad rss-counter state mm:ffff88801286f200 type:MM_FILEPAGES val:1
BUG: Bad rss-counter state mm:ffff88801286f200 type:MM_SHMEMPAGES val:-1