Message-ID: <00000000000044ff540620d7dee2@google.com>
Date: Thu, 29 Aug 2024 12:56:19 -0700
From: syzbot <syzbot+4704b3cc972bd76024f1@...kaller.appspotmail.com>
To: clm@...com, dsterba@...e.com, josef@...icpanda.com, 
	linux-btrfs@...r.kernel.org, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: [syzbot] [btrfs?] kernel BUG in btrfs_get_ordered_extents_for_logging

Hello,

syzbot found the following issue on:

HEAD commit:    5be63fc19fca Linux 6.11-rc5
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=11f0800d980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=a0455552d0b27491
dashboard link: https://syzkaller.appspot.com/bug?extid=4704b3cc972bd76024f1
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16692a29980000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/cad8c335ccde/disk-5be63fc1.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/c4d2dd818c33/vmlinux-5be63fc1.xz
kernel image: https://storage.googleapis.com/syzbot-assets/ab5cbe08133f/bzImage-5be63fc1.xz
mounted in repro #1: https://storage.googleapis.com/syzbot-assets/9b6630601ecf/mount_0.gz
mounted in repro #2: https://storage.googleapis.com/syzbot-assets/1eee9b57c8d5/mount_3.gz
mounted in repro #3: https://storage.googleapis.com/syzbot-assets/ba6ddfb704dc/mount_4.gz
mounted in repro #4: https://storage.googleapis.com/syzbot-assets/e681ae9a9992/mount_9.gz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+4704b3cc972bd76024f1@...kaller.appspotmail.com

------------[ cut here ]------------
kernel BUG at fs/btrfs/ordered-data.c:1018!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 6479 Comm: syz.4.61 Not tainted 6.11.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:btrfs_get_ordered_extents_for_logging+0x4fd/0x500 fs/btrfs/ordered-data.c:1018
Code: f7 07 90 0f 0b e8 23 f1 df fd 48 c7 c7 40 8a 2c 8c 48 c7 c6 e0 8c 2c 8c 48 c7 c2 20 8a 2c 8c b9 fa 03 00 00 e8 e4 ad f7 07 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f
RSP: 0018:ffffc90009627938 EFLAGS: 00010246
RAX: 0000000000000055 RBX: 0000000000000000 RCX: 3784e5b0ceb58c00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffff88806597d690 R08: ffffffff817402ac R09: 1ffff920012c4ec8
R10: dffffc0000000000 R11: fffff520012c4ec9 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffc90009627ae0 R15: ffff88806597d690
FS:  00007f60c8eec6c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa599c4220a CR3: 000000007953c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_sync_file+0x929/0x10f0 fs/btrfs/file.c:1712
 generic_write_sync include/linux/fs.h:2821 [inline]
 btrfs_do_write_iter+0x5e2/0x760 fs/btrfs/file.c:1515
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa72/0xc90 fs/read_write.c:590
 ksys_pwrite64 fs/read_write.c:705 [inline]
 __do_sys_pwrite64 fs/read_write.c:715 [inline]
 __se_sys_pwrite64 fs/read_write.c:712 [inline]
 __x64_sys_pwrite64+0x1aa/0x230 fs/read_write.c:712
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f60c8179e79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f60c8eec038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f60c8316130 RCX: 00007f60c8179e79
RDX: 000000000000003d RSI: 00000000200001c0 RDI: 0000000000000007
RBP: 00007f60c81e793e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f60c8316130 R15: 00007ffd4fce3d08
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:btrfs_get_ordered_extents_for_logging+0x4fd/0x500 fs/btrfs/ordered-data.c:1018
Code: f7 07 90 0f 0b e8 23 f1 df fd 48 c7 c7 40 8a 2c 8c 48 c7 c6 e0 8c 2c 8c 48 c7 c2 20 8a 2c 8c b9 fa 03 00 00 e8 e4 ad f7 07 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f
RSP: 0018:ffffc90009627938 EFLAGS: 00010246
RAX: 0000000000000055 RBX: 0000000000000000 RCX: 3784e5b0ceb58c00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffff88806597d690 R08: ffffffff817402ac R09: 1ffff920012c4ec8
R10: dffffc0000000000 R11: fffff520012c4ec9 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffc90009627ae0 R15: ffff88806597d690
FS:  00007f60c8eec6c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f449fcc2723 CR3: 000000007953c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400


---
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