BUG: Bad page map in process syz-executor.3 pte:fffffb9917120 pmd:24b78067
page:ffffea000119ba00 refcount:9 mapcount:-1 mapping:ffff88807e86f090 index:0x0 pfn:0x466e8
head:ffffea000119ba00 order:2 entire_mapcount:0 nr_pages_mapped:1 pincount:0
memcg:ffff888038966000
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: 0xfffffffe()
raw: 00fff0000000816c ffffea0000f53ec8 ffff88803895d030 ffff88807e86f090
raw: 0000000000000000 ffff888076149e00 00000009fffffffe ffff888038966000
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 24870, tgid 24848 (syz-executor.3), ts 1205358750036, free_ts 1203235795413
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+0x428e/0x62b0 mm/memory.c:5284
faultin_page mm/gup.c:956 [inline]
__get_user_pages+0x6bd/0x15f0 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+0x3c91/0x4540 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
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
tlb_finish_mmu+0xd4/0x1f0 mm/mmu_gather.c:392
unmap_region+0x300/0x350 mm/mmap.c:2318
do_vmi_align_munmap+0x121e/0x1850 mm/mmap.c:2555
do_vmi_munmap+0x24d/0x2d0 mm/mmap.c:2623
__vm_munmap+0x230/0x450 mm/mmap.c:2908
__do_sys_munmap mm/mmap.c:2925 [inline]
__se_sys_munmap mm/mmap.c:2922 [inline]
__x64_sys_munmap+0x69/0x80 mm/mmap.c:2922
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
addr:0000000020003000 vm_flags:080000d0 anon_vma:0000000000000000 mapping:ffff88807e86f090 index:2
file:bus fault:xfs_filemap_fault mmap:xfs_file_mmap read_folio:xfs_vm_read_folio
CPU: 0 PID: 24870 Comm: syz-executor.3 Not tainted 6.6.0-rc3-syzkaller-00025-g50768a425b46 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
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+0x1a76/0x3320 mm/memory.c:1644
unmap_vmas+0x2b8/0x460 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+0x9af/0x2650 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: 0033:0x7fbe6cc7cae9
Code: Unable to access opcode bytes at 0x7fbe6cc7cabf.
RSP: 002b:00007fbe6d9ad0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffe5 RBX: 00007fbe6cd9c050 RCX: 00007fbe6cc7cae9
RDX: 0000000000000001 RSI: 0000000020000300 RDI: 0000000000000008
RBP: 00007fbe6ccc847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000010000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fbe6cd9c050 R15: 00007ffe97c08a58
BUG: Bad page map in process syz-executor.3 pte:fffffb9918120 pmd:24b78067
page:ffffea000119b9c0 refcount:2 mapcount:-1 mapping:ffff88801d2845f8 index:0xa67 pfn:0x466e7
memcg:ffff888039990000
aops:shmem_aops ino:e08
flags: 0xfff00000080038(uptodate|dirty|lru|swapbacked|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xfffffffe()
raw: 00fff00000080038 ffffea000119b988 ffffea0000f4fd08 ffff88801d2845f8
raw: 0000000000000a67 0000000000000000 00000002fffffffe ffff888039990000
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 24866, tgid 24865 (syz-executor.4), ts 1205359437179, free_ts 1203770852488
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+0x13/0x30 mm/page_alloc.c:4458
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:3969
shmem_file_write_iter+0xfc/0x120 mm/shmem.c:2865
call_write_iter include/linux/fs.h:1956 [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+0x21e/0x470 fs/dcache.c:913
__fput+0x60d/0x910 fs/file_table.c:392
task_work_run+0x24a/0x300 kernel/task_work.c:180
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xde/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:0000000020004000 vm_flags:080000d0 anon_vma:0000000000000000 mapping:ffff88807e86f090 index:3
file:bus fault:xfs_filemap_fault mmap:xfs_file_mmap read_folio:xfs_vm_read_folio
CPU: 1 PID: 24870 Comm: syz-executor.3 Tainted: G B 6.6.0-rc3-syzkaller-00025-g50768a425b46 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
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+0x1a76/0x3320 mm/memory.c:1644
unmap_vmas+0x2b8/0x460 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+0x9af/0x2650 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: 0033:0x7fbe6cc7cae9
Code: Unable to access opcode bytes at 0x7fbe6cc7cabf.
RSP: 002b:00007fbe6d9ad0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffe5 RBX: 00007fbe6cd9c050 RCX: 00007fbe6cc7cae9
RDX: 0000000000000001 RSI: 0000000020000300 RDI: 0000000000000008
RBP: 00007fbe6ccc847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000010000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fbe6cd9c050 R15: 00007ffe97c08a58
BUG: Bad page map in process syz-executor.3 pte:fffffb9916120 pmd:24b78067
page:ffffea000119ba40 refcount:9 mapcount:-1 mapping:ffff88807e86f090 index:0x1 pfn:0x466e9
head:ffffea000119ba00 order:2 entire_mapcount:0 nr_pages_mapped:8388606 pincount:0
memcg:ffff888038966000
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: 0xfffffffe()
raw: 00fff00000000202 ffffea000119ba01 dead000000000122 fffffffeffffffff
raw: 0000000400000000 0000000000000000 00000000fffffffe 0000000000000000
head: 00fff0000000816c ffffea0000f53ec8 ffff88803895d030 ffff88807e86f090
head: 0000000000000000 ffff888076149e00 00000009fffffffe ffff888038966000
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 24870, tgid 24848 (syz-executor.3), ts 1205358750036, free_ts 1203235781742
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+0x428e/0x62b0 mm/memory.c:5284
faultin_page mm/gup.c:956 [inline]
__get_user_pages+0x6bd/0x15f0 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+0x3c91/0x4540 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
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
tlb_finish_mmu+0xd4/0x1f0 mm/mmu_gather.c:392
unmap_region+0x300/0x350 mm/mmap.c:2318
do_vmi_align_munmap+0x121e/0x1850 mm/mmap.c:2555
do_vmi_munmap+0x24d/0x2d0 mm/mmap.c:2623
__vm_munmap+0x230/0x450 mm/mmap.c:2908
__do_sys_munmap mm/mmap.c:2925 [inline]
__se_sys_munmap mm/mmap.c:2922 [inline]
__x64_sys_munmap+0x69/0x80 mm/mmap.c:2922
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
addr:0000000020008000 vm_flags:080000d0 anon_vma:0000000000000000 mapping:ffff88807e86f090 index:7
file:bus fault:xfs_filemap_fault mmap:xfs_file_mmap read_folio:xfs_vm_read_folio
CPU: 0 PID: 24870 Comm: syz-executor.3 Tainted: G B 6.6.0-rc3-syzkaller-00025-g50768a425b46 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
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+0x1a76/0x3320 mm/memory.c:1644
unmap_vmas+0x2b8/0x460 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+0x9af/0x2650 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: 0033:0x7fbe6cc7cae9
Code: Unable to access opcode bytes at 0x7fbe6cc7cabf.
RSP: 002b:00007fbe6d9ad0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffe5 RBX: 00007fbe6cd9c050 RCX: 00007fbe6cc7cae9
RDX: 0000000000000001 RSI: 0000000020000300 RDI: 0000000000000008
RBP: 00007fbe6ccc847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000010000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fbe6cd9c050 R15: 00007ffe97c08a58
page:ffffea000119b9c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0xa67 pfn:0x466e7
flags: 0xfff00000080008(uptodate|swapbacked|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000080008 dead000000000100 dead000000000122 0000000000000000
raw: 0000000000000a67 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: VM_BUG_ON_PAGE(page_ref_count(page) == 0)
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Movable, gfp_mask 0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), pid 24866, tgid 24865 (syz-executor.4), ts 1205359437179, free_ts 1203770852488
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+0x13/0x30 mm/page_alloc.c:4458
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:3969
shmem_file_write_iter+0xfc/0x120 mm/shmem.c:2865
call_write_iter include/linux/fs.h:1956 [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+0x21e/0x470 fs/dcache.c:913
__fput+0x60d/0x910 fs/file_table.c:392
task_work_run+0x24a/0x300 kernel/task_work.c:180
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xde/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
------------[ cut here ]------------
kernel BUG at include/linux/mm.h:1095!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 24870 Comm: syz-executor.3 Tainted: G B 6.6.0-rc3-syzkaller-00025-g50768a425b46 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:put_page_testzero include/linux/mm.h:1095 [inline]
RIP: 0010:folio_put_testzero include/linux/mm.h:1101 [inline]
RIP: 0010:release_pages+0x2174/0x23f0 mm/swap.c:1000
Code: 00 0f 85 8b 02 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 9b a5 c8 ff 4c 89 ff 48 c7 c6 a0 46 13 8b e8 1c 86 0a 00 <0f> 0b e8 85 a5 c8 ff 4c 89 ff 48 c7 c6 a0 46 13 8b e8 06 86 0a 00
RSP: 0018:ffffc9000a48f240 EFLAGS: 00010046
RAX: 06a7002e24c59d00 RBX: 0000000000000000 RCX: ffffffff816d75c0
RDX: 0000000000000000 RSI: ffffffff8b599a40 RDI: ffffffff8b599a00
RBP: ffffc9000a48f378 R08: ffffffff8e9a78af R09: 1ffffffff1d34f15
R10: dffffc0000000000 R11: fffffbfff1d34f16 R12: dffffc0000000000
R13: ffff88803895d000 R14: ffffea000119b9f4 R15: ffffea000119b9c0
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2221cd7086 CR3: 0000000031d91000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
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+0x29dc/0x3320 mm/memory.c:1644
unmap_vmas+0x2b8/0x460 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+0x9af/0x2650 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: 0033:0x7fbe6cc7cae9
Code: Unable to access opcode bytes at 0x7fbe6cc7cabf.
RSP: 002b:00007fbe6d9ad0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffe5 RBX: 00007fbe6cd9c050 RCX: 00007fbe6cc7cae9
RDX: 0000000000000001 RSI: 0000000020000300 RDI: 0000000000000008
RBP: 00007fbe6ccc847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000010000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fbe6cd9c050 R15: 00007ffe97c08a58
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:put_page_testzero include/linux/mm.h:1095 [inline]
RIP: 0010:folio_put_testzero include/linux/mm.h:1101 [inline]
RIP: 0010:release_pages+0x2174/0x23f0 mm/swap.c:1000
Code: 00 0f 85 8b 02 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 9b a5 c8 ff 4c 89 ff 48 c7 c6 a0 46 13 8b e8 1c 86 0a 00 <0f> 0b e8 85 a5 c8 ff 4c 89 ff 48 c7 c6 a0 46 13 8b e8 06 86 0a 00
RSP: 0018:ffffc9000a48f240 EFLAGS: 00010046
RAX: 06a7002e24c59d00 RBX: 0000000000000000 RCX: ffffffff816d75c0
RDX: 0000000000000000 RSI: ffffffff8b599a40 RDI: ffffffff8b599a00
RBP: ffffc9000a48f378 R08: ffffffff8e9a78af R09: 1ffffffff1d34f15
R10: dffffc0000000000 R11: fffffbfff1d34f16 R12: dffffc0000000000
R13: ffff88803895d000 R14: ffffea000119b9f4 R15: ffffea000119b9c0
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2221cd7086 CR3: 0000000031d91000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400