WARNING: CPU: 2 PID: 23409 at mm/filemap.c:260 __delete_from_page_cache+0x5fc/0x610

From	Dave Jones <davej@codemonkey.org.uk>
Newsgroups	linux.kernel
Subject	WARNING: CPU: 2 PID: 23409 at mm/filemap.c:260 __delete_from_page_cache+0x5fc/0x610
Date	2017-05-02 22:20 +0200
Message-ID	<tCMr7-30x-11@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Just hit this on Linus tree pulled this afternoon.

WARNING: CPU: 2 PID: 23409 at mm/filemap.c:260 __delete_from_page_cache+0x5fc/0x610
CPU: 2 PID: 23409 Comm: trinity-c1 Not tainted 4.11.0-think+ #4 
Call Trace:
 dump_stack+0x68/0x93
 __warn+0xcb/0xf0
 warn_slowpath_null+0x1d/0x20
 __delete_from_page_cache+0x5fc/0x610
 delete_from_page_cache+0x57/0x150
 truncate_inode_page+0x9f/0x140
 shmem_undo_range+0x4c5/0xcd0
 shmem_truncate_range+0x16/0x40
 shmem_fallocate+0x22a/0x610
 vfs_fallocate+0x135/0x250
 SyS_madvise+0x211/0xa90
 ? get_lock_stats+0x19/0x50
 do_syscall_64+0x66/0x1d0
 ? do_syscall_64+0x66/0x1d0
 entry_SYSCALL64_slow_path+0x25/0x25
RIP: 0033:0x7f596e520099
RSP: 002b:00007fff1b76d928 EFLAGS: 00000246
 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 000000000000001c RCX: 00007f596e520099
RDX: 0000000000000009 RSI: 00000000000fc000 RDI: 00007f596c88b000
RBP: 00007fff1b76d9d0 R08: 0000000000001d1d R09: 0000c1c1c1c1c1c1
R10: 759e2c3076d8be38 R11: 0000000000000246 R12: 0000000000000002
R13: 00007f596ebe8048 R14: 00007f596ebf6ad8 R15: 00007f596ebe8000



 260         if (WARN_ON_ONCE(PageDirty(page)))
 261                 account_page_cleaned(page, mapping, inode_to_wb(mapping->host));

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WARNING: CPU: 2 PID: 23409 at mm/filemap.c:260  __delete_from_page_cache+0x5fc/0x610 Dave Jones <davej@codemonkey.org.uk> - 2017-05-02 22:20 +0200

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