* mm-everything-2022-06-09-20-57: locked page at free
@ 2022-06-11 20:59 Yu Zhao
2022-06-11 21:21 ` Matthew Wilcox
0 siblings, 1 reply; 3+ messages in thread
From: Yu Zhao @ 2022-06-11 20:59 UTC (permalink / raw)
To: Andrew Morton, Matthew Wilcox; +Cc: Linux-MM
BUG: Bad page state in process cros_configfs pfn:109fb1
page:fffffffe0227ec40 refcount:0 mapcount:0 mapping:0000000000000000
index:0x0 pfn:0x109fb1
flags: 0xb980000000000001(locked|zone=2|kasantag=0xe6)
raw: b980000000000001 dead000000000100 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
Modules linked in:
CPU: 7 PID: 210 Comm: cros_configfs Tainted: G W
5.19.0-rc1-lockdep+ #3
Call trace:
dump_backtrace+0x1a0/0x200
show_stack+0x24/0x30
dump_stack_lvl+0x7c/0xa0
dump_stack+0x18/0x44
bad_page+0x190/0x194
check_free_page_bad+0x38/0x48
free_pcp_prepare+0x230/0x404
free_unref_page_prepare+0x2c/0xc8
free_unref_page+0x74/0x1a8
__put_page+0x70/0x90
filemap_free_folio+0xe0/0x12c
filemap_remove_folio+0xec/0x118
read_pages+0x150/0x20c
page_cache_ra_unbounded+0x228/0x2a0
do_page_cache_ra+0x6c/0x78
page_cache_ra_order+0x238/0x25c
ondemand_readahead+0x3f0/0x570
page_cache_sync_ra+0xc0/0xd4
filemap_get_pages+0x194/0x468
filemap_read+0x1a0/0x4e0
generic_file_read_iter+0x74/0x1ec
vfs_read+0x388/0x484
ksys_read+0xb4/0x134
__arm64_sys_read+0x48/0x54
el0_svc_common+0xfc/0x1cc
do_el0_svc_compat+0x38/0x5c
el0_svc_compat+0x68/0xf4
el0t_32_sync_handler+0xc0/0xf0
el0t_32_sync+0x190/0x194
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: mm-everything-2022-06-09-20-57: locked page at free
2022-06-11 20:59 mm-everything-2022-06-09-20-57: locked page at free Yu Zhao
@ 2022-06-11 21:21 ` Matthew Wilcox
2022-06-11 21:31 ` Yu Zhao
0 siblings, 1 reply; 3+ messages in thread
From: Matthew Wilcox @ 2022-06-11 21:21 UTC (permalink / raw)
To: Yu Zhao; +Cc: Andrew Morton, Linux-MM
On Sat, Jun 11, 2022 at 02:59:41PM -0600, Yu Zhao wrote:
> check_free_page_bad+0x38/0x48
> free_pcp_prepare+0x230/0x404
> free_unref_page_prepare+0x2c/0xc8
> free_unref_page+0x74/0x1a8
> __put_page+0x70/0x90
> filemap_free_folio+0xe0/0x12c
> filemap_remove_folio+0xec/0x118
> read_pages+0x150/0x20c
6bf74cddcffa in Linus' tree, merged on Friday. Thanks.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: mm-everything-2022-06-09-20-57: locked page at free
2022-06-11 21:21 ` Matthew Wilcox
@ 2022-06-11 21:31 ` Yu Zhao
0 siblings, 0 replies; 3+ messages in thread
From: Yu Zhao @ 2022-06-11 21:31 UTC (permalink / raw)
To: Matthew Wilcox; +Cc: Andrew Morton, Linux-MM
On Sat, Jun 11, 2022 at 3:21 PM Matthew Wilcox <willy@infradead.org> wrote:
>
> On Sat, Jun 11, 2022 at 02:59:41PM -0600, Yu Zhao wrote:
> > check_free_page_bad+0x38/0x48
> > free_pcp_prepare+0x230/0x404
> > free_unref_page_prepare+0x2c/0xc8
> > free_unref_page+0x74/0x1a8
> > __put_page+0x70/0x90
> > filemap_free_folio+0xe0/0x12c
> > filemap_remove_folio+0xec/0x118
> > read_pages+0x150/0x20c
>
> 6bf74cddcffa in Linus' tree, merged on Friday. Thanks.
Verified. Thanks.
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2022-06-11 21:32 UTC | newest]
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2022-06-11 20:59 mm-everything-2022-06-09-20-57: locked page at free Yu Zhao
2022-06-11 21:21 ` Matthew Wilcox
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