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From: Yu Zhao <yuzhao@google.com>
To: Andrew Morton <akpm@linux-foundation.org>,
	Matthew Wilcox <willy@infradead.org>
Cc: Linux-MM <linux-mm@kvack.org>
Subject: mm-everything-2022-06-09-20-57: locked page at free
Date: Sat, 11 Jun 2022 14:59:41 -0600	[thread overview]
Message-ID: <CAOUHufZnj7ZWYvdcRq7Vi_te1wRd=U7E9NmgyQfabsvzm-Z77Q@mail.gmail.com> (raw)

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


             reply	other threads:[~2022-06-11 21:00 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-11 20:59 Yu Zhao [this message]
2022-06-11 21:21 ` Matthew Wilcox
2022-06-11 21:31   ` Yu Zhao

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