BUG: Bad page map in process syz-executor.2  pte:fffff68d50120 pmd:3840b067
page:ffffea00025cabc0 refcount:9 mapcount:-1 mapping:ffff888078681390 index:0x3 pfn:0x972af
head:ffffea00025cab00 order:2 entire_mapcount:0 nr_pages_mapped:8388607 pincount:0
memcg:ffff88802504e000
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 ffffea00025cab01 dead000000000122 dead000000000400
raw: 0000000000000001 0000000000000000 00000000fffffffe 0000000000000000
head: 00fff0000000816c ffffea00024d6008 ffff88805b114030 ffff888078681390
head: 0000000000000000 ffff888028a6de80 00000009ffffffff ffff88802504e000
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 8452, tgid 8446 (syz-executor.2), ts 2828443040208, free_ts 2579580905265
 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+0x31db/0x3360 mm/page_alloc.c:3170
 __alloc_pages+0x255/0x670 mm/page_alloc.c:4426
 folio_alloc+0x1e/0x60 mm/mempolicy.c:2308
 filemap_alloc_folio+0xde/0x500 mm/filemap.c:976
 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:3291
 __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_pages_ok+0xbc0/0xd00 mm/page_alloc.c:1266
 release_pages+0x642/0x23f0 mm/swap.c:1008
 __folio_batch_release+0x84/0x100 mm/swap.c:1062
 folio_batch_release include/linux/pagevec.h:83 [inline]
 truncate_inode_pages_range+0x45d/0x11a0 mm/truncate.c:371
 evict+0x2b7/0x620 fs/inode.c:666
 dispose_list fs/inode.c:697 [inline]
 evict_inodes+0x5f8/0x690 fs/inode.c:747
 generic_shutdown_super+0x9d/0x2c0 fs/super.c:672
 kill_block_super+0x41/0x70 fs/super.c:1646
 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2058
 deactivate_locked_super+0xa4/0x110 fs/super.c:481
 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1254
 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:ffff888078681390 index:5
file:bus fault:xfs_filemap_fault mmap:xfs_file_mmap read_folio:xfs_vm_read_folio
CPU: 1 PID: 8452 Comm: syz-executor.2 Not tainted 6.6.0-rc1-syzkaller-00115-g9fdfb15a3dbf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Call Trace:
 <TASK>
 __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: 0033:0x7fe04087cae9
Code: Unable to access opcode bytes at 0x7fe04087cabf.
RSP: 002b:00007fe0415430c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffe5 RBX: 00007fe04099bf80 RCX: 00007fe04087cae9
RDX: 0000000000000002 RSI: 0000000020000300 RDI: 0000000000000007
RBP: 00007fe0408c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fe04099bf80 R15: 00007ffebdb981c8
 </TASK>
BUG: Bad page map in process syz-executor.2  pte:fffff68d51120 pmd:3840b067
page:ffffea00025cab80 refcount:9 mapcount:-1 mapping:ffff888078681390 index:0x2 pfn:0x972ae
head:ffffea00025cab00 order:2 entire_mapcount:0 nr_pages_mapped:8388606 pincount:0
memcg:ffff88802504e000
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 ffffea00025cab01 ffffea00025cab90 ffffea00025cab90
raw: 0000000000000001 0000000000000000 00000000fffffffe 0000000000000000
head: 00fff0000000816c ffffea00024d6008 ffff88805b114030 ffff888078681390
head: 0000000000000000 ffff888028a6de80 00000009ffffffff ffff88802504e000
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 8452, tgid 8446 (syz-executor.2), ts 2828443040208, free_ts 2579580905265
 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+0x31db/0x3360 mm/page_alloc.c:3170
 __alloc_pages+0x255/0x670 mm/page_alloc.c:4426
 folio_alloc+0x1e/0x60 mm/mempolicy.c:2308
 filemap_alloc_folio+0xde/0x500 mm/filemap.c:976
 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:3291
 __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_pages_ok+0xbc0/0xd00 mm/page_alloc.c:1266
 release_pages+0x642/0x23f0 mm/swap.c:1008
 __folio_batch_release+0x84/0x100 mm/swap.c:1062
 folio_batch_release include/linux/pagevec.h:83 [inline]
 truncate_inode_pages_range+0x45d/0x11a0 mm/truncate.c:371
 evict+0x2b7/0x620 fs/inode.c:666
 dispose_list fs/inode.c:697 [inline]
 evict_inodes+0x5f8/0x690 fs/inode.c:747
 generic_shutdown_super+0x9d/0x2c0 fs/super.c:672
 kill_block_super+0x41/0x70 fs/super.c:1646
 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2058
 deactivate_locked_super+0xa4/0x110 fs/super.c:481
 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1254
 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:ffff888078681390 index:6
file:bus fault:xfs_filemap_fault mmap:xfs_file_mmap read_folio:xfs_vm_read_folio
CPU: 0 PID: 8452 Comm: syz-executor.2 Tainted: G    B              6.6.0-rc1-syzkaller-00115-g9fdfb15a3dbf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Call Trace:
 <TASK>
 __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: 0033:0x7fe04087cae9
Code: Unable to access opcode bytes at 0x7fe04087cabf.
RSP: 002b:00007fe0415430c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffe5 RBX: 00007fe04099bf80 RCX: 00007fe04087cae9
RDX: 0000000000000002 RSI: 0000000020000300 RDI: 0000000000000007
RBP: 00007fe0408c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fe04099bf80 R15: 00007ffebdb981c8
 </TASK>
BUG: Bad page map in process syz-executor.2  pte:fffff68d52120 pmd:3840b067
page:ffffea00025cab40 refcount:9 mapcount:-1 mapping:ffff888078681390 index:0x1 pfn:0x972ad
head:ffffea00025cab00 order:2 entire_mapcount:0 nr_pages_mapped:8388605 pincount:0
memcg:ffff88802504e000
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 ffffea00025cab01 dead000000000122 fffffffdffffffff
raw: 0000000400000000 0000000000000000 00000000fffffffe 0000000000000000
head: 00fff0000000816c ffffea00024d6008 ffff88805b114030 ffff888078681390
head: 0000000000000000 ffff888028a6de80 00000009ffffffff ffff88802504e000
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 8452, tgid 8446 (syz-executor.2), ts 2828443040208, free_ts 2579580905265
 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+0x31db/0x3360 mm/page_alloc.c:3170
 __alloc_pages+0x255/0x670 mm/page_alloc.c:4426
 folio_alloc+0x1e/0x60 mm/mempolicy.c:2308
 filemap_alloc_folio+0xde/0x500 mm/filemap.c:976
 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:3291
 __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_pages_ok+0xbc0/0xd00 mm/page_alloc.c:1266
 release_pages+0x642/0x23f0 mm/swap.c:1008
 __folio_batch_release+0x84/0x100 mm/swap.c:1062
 folio_batch_release include/linux/pagevec.h:83 [inline]
 truncate_inode_pages_range+0x45d/0x11a0 mm/truncate.c:371
 evict+0x2b7/0x620 fs/inode.c:666
 dispose_list fs/inode.c:697 [inline]
 evict_inodes+0x5f8/0x690 fs/inode.c:747
 generic_shutdown_super+0x9d/0x2c0 fs/super.c:672
 kill_block_super+0x41/0x70 fs/super.c:1646
 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2058
 deactivate_locked_super+0xa4/0x110 fs/super.c:481
 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1254
 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:ffff888078681390 index:7
file:bus fault:xfs_filemap_fault mmap:xfs_file_mmap read_folio:xfs_vm_read_folio
CPU: 1 PID: 8452 Comm: syz-executor.2 Tainted: G    B              6.6.0-rc1-syzkaller-00115-g9fdfb15a3dbf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Call Trace:
 <TASK>
 __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: 0033:0x7fe04087cae9
Code: Unable to access opcode bytes at 0x7fe04087cabf.
RSP: 002b:00007fe0415430c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffe5 RBX: 00007fe04099bf80 RCX: 00007fe04087cae9
RDX: 0000000000000002 RSI: 0000000020000300 RDI: 0000000000000007
RBP: 00007fe0408c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fe04099bf80 R15: 00007ffebdb981c8
 </TASK>