From: "Jürg Billeter" <j@bitron.ch>
To: Matthew Wilcox <willy@infradead.org>
Cc: Miklos Szeredi <miklos@szeredi.hu>,
linux-fsdevel@vger.kernel.org, regressions@lists.linux.dev
Subject: Re: [REGRESSION] fuse: copy_file_range() fails with EIO
Date: Sat, 10 Aug 2024 07:56:21 +0200 [thread overview]
Message-ID: <5b54cb7e5bfdd5439c3a431d4f86ad20c9b22e76.camel@bitron.ch> (raw)
In-Reply-To: <ZrY97Pq9xM-fFhU2@casper.infradead.org>
Hi Matthew,
Thanks for the quick response.
On Fri, 2024-08-09 at 17:03 +0100, Matthew Wilcox wrote:
> Do you have CONFIG_DEBUG_VM enabled? There are some debugging asserts
> which that will enable that might indicate a problem.
With CONFIG_DEBUG_VM enabled, I get:
page: refcount:2 mapcount:0 mapping:00000000b2c30835 index:0x0 pfn:0x12a113
memcg:ffff9d8e3a660800
aops:0xffffffff8a056820 ino:21 dentry name:"bash"
flags: 0x24000000000022d(locked|referenced|uptodate|lru|workingset|node=0|zone=2)
raw: 024000000000022d ffffd9ce04a827c8 ffffd9ce04a84508 ffff9d8e0bbc99f0
raw: 0000000000000000 0000000000000000 00000002ffffffff ffff9d8e3a660800
page dumped because: VM_BUG_ON_FOLIO(folio_test_uptodate(folio))
------------[ cut here ]------------
kernel BUG at mm/filemap.c:1534!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
CPU: 0 UID: 1000 PID: 1638 Comm: buildbox-fuse Not tainted 6.11.0-rc2+ #26
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015
RIP: 0010:folio_end_read+0xa2/0xb0
Code: 37 8a e8 21 1b 05 00 0f 0b 48 c7 c6 48 7f 39 8a e8 13 1b 05 00 0f 0b 31 f6 e9 7a f9 ff ff 48 c7 c6 a8 7f 39 8a e8 fe 1a 05 00 <0f> 0b 90 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90
RSP: 0018:ffffaa0ec289fc68 EFLAGS: 00010246
RAX: 0000000000000040 RBX: ffffd9ce04a844c0 RCX: 0000000000000027
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff9d8f77c1c8c0
RBP: ffff9d8e07298a38 R08: 00000000ffffefff R09: ffffffff8a6b0d68
R10: 0000000000000003 R11: 0000000000000002 R12: 0000000000000000
R13: 0000000000000001 R14: ffff9d8e305ba098 R15: 0000000000000000
FS: 00007f83d62b4140(0000) GS:ffff9d8f77c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000564ef5598078 CR3: 00000001013be000 CR4: 0000000000350ef0
Call Trace:
<TASK>
? __die+0x56/0x97
? die+0x2e/0x50
? do_trap+0x10a/0x110
? do_error_trap+0x65/0x80
? folio_end_read+0xa2/0xb0
? exc_invalid_op+0x50/0x70
? folio_end_read+0xa2/0xb0
? asm_exc_invalid_op+0x1a/0x20
? folio_end_read+0xa2/0xb0
? folio_end_read+0xa2/0xb0
fuse_readpages_end+0xc3/0x150
fuse_request_end+0x84/0x170
fuse_dev_do_write+0x24d/0x1050
? __kmalloc_node_noprof+0x25e/0x480
? fuse_dev_splice_write+0x9d/0x390
fuse_dev_splice_write+0x2b0/0x390
do_splice+0x311/0x8b0
__do_splice+0x204/0x220
__x64_sys_splice+0xb2/0x120
do_syscall_64+0x54/0x140
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f83d5f29a03
Code: 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 80 3d 29 48 0d 00 00 49 89 ca 74 14 b8 13 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 75 c3 0f 1f 40 00 55 48 83 ec 30 44 89 4c 24
RSP: 002b:00007fff2c0b8ce8 EFLAGS: 00000202 ORIG_RAX: 0000000000000113
RAX: ffffffffffffffda RBX: 00007fff2c0b8eb0 RCX: 00007f83d5f29a03
RDX: 0000000000000105 RSI: 0000000000000000 RDI: 0000000000000106
RBP: 0000564ef555a4f0 R08: 0000000000004010 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff2c0b8e20
R13: 0000000000000001 R14: 00000000000000fb R15: 0000000000000000
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:folio_end_read+0xa2/0xb0
Code: 37 8a e8 21 1b 05 00 0f 0b 48 c7 c6 48 7f 39 8a e8 13 1b 05 00 0f 0b 31 f6 e9 7a f9 ff ff 48 c7 c6 a8 7f 39 8a e8 fe 1a 05 00 <0f> 0b 90 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90
RSP: 0018:ffffaa0ec289fc68 EFLAGS: 00010246
RAX: 0000000000000040 RBX: ffffd9ce04a844c0 RCX: 0000000000000027
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff9d8f77c1c8c0
RBP: ffff9d8e07298a38 R08: 00000000ffffefff R09: ffffffff8a6b0d68
R10: 0000000000000003 R11: 0000000000000002 R12: 0000000000000000
R13: 0000000000000001 R14: ffff9d8e305ba098 R15: 0000000000000000
FS: 00007f83d62b4140(0000) GS:ffff9d8f77c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000564ef5598078 CR3: 00000001013be000 CR4: 0000000000350ef0
Kernel panic - not syncing: Fatal exception
Kernel Offset: 0x8000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Cheers,
Jürg
next prev parent reply other threads:[~2024-08-10 5:56 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-09 15:53 [REGRESSION] fuse: copy_file_range() fails with EIO Jürg Billeter
2024-08-09 16:03 ` Matthew Wilcox
2024-08-09 16:22 ` [PATCH 1/3] fuse: remove call to SetPageError Matthew Wilcox (Oracle)
2024-08-09 16:22 ` [PATCH 2/3] fuse: Use a folio instead of a page Matthew Wilcox (Oracle)
2024-08-09 16:22 ` [PATCH 3/3] fuse: use folio_end_read Matthew Wilcox (Oracle)
2024-08-10 12:24 ` Jürg Billeter
2024-08-20 12:57 ` Jürg Billeter
2024-08-20 13:50 ` Matthew Wilcox
2024-08-22 11:58 ` Miklos Szeredi
2024-08-22 12:25 ` Matthew Wilcox
2024-08-10 5:56 ` Jürg Billeter [this message]
2024-08-10 15:12 ` [REGRESSION] fuse: copy_file_range() fails with EIO Matthew Wilcox
2024-08-22 13:04 ` Miklos Szeredi
2024-08-22 13:12 ` Jürg Billeter
2024-08-22 13:14 ` Miklos Szeredi
2024-08-22 13:32 ` Miklos Szeredi
2024-08-22 14:14 ` Jürg Billeter
2024-08-29 9:27 ` Marcel Ziswiler
2024-08-29 9:30 ` Miklos Szeredi
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