Hello, syzbot found the following issue on: HEAD commit: 815fb87b7530 Merge tag 'pm-6.7-rc4' of git://git.kernel.or.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16865c18e80000 kernel config: https://syzkaller.appspot.com/x/.config?x=1f341086b9b65f3 dashboard link: https://syzkaller.appspot.com/bug?extid=35281eae12e6fa221f16 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/5207d4e5f747/disk-815fb87b.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/5255f6dfc8c3/vmlinux-815fb87b.xz kernel image: https://storage.googleapis.com/syzbot-assets/876a2e66fa94/bzImage-815fb87b.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+35281eae12e6fa221f16@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ WARNING: CPU: 1 PID: 31576 at fs/btrfs/extent_io.c:2454 emit_fiemap_extent fs/btrfs/extent_io.c:2454 [inline] WARNING: CPU: 1 PID: 31576 at fs/btrfs/extent_io.c:2454 fiemap_process_hole+0x9e0/0xaf0 fs/btrfs/extent_io.c:2695 Modules linked in: CPU: 1 PID: 31576 Comm: syz-executor.4 Not tainted 6.7.0-rc3-syzkaller-00284-g815fb87b7530 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:emit_fiemap_extent fs/btrfs/extent_io.c:2454 [inline] RIP: 0010:fiemap_process_hole+0x9e0/0xaf0 fs/btrfs/extent_io.c:2695 Code: 85 ed 0f 45 c8 89 4c 24 14 4c 8b 7c 24 18 49 89 dd eb 39 e8 82 d2 f0 fd eb 32 e8 7b d2 f0 fd e9 a5 00 00 00 e8 71 d2 f0 fd 90 <0f> 0b 90 41 bd ea ff ff ff 49 bc 00 00 00 00 00 fc ff df e9 87 00 RSP: 0018:ffffc90003897520 EFLAGS: 00010287 RAX: ffffffff839da7cf RBX: 0000000000027000 RCX: 0000000000040000 RDX: ffffc9000c740000 RSI: 00000000000057d1 RDI: 00000000000057d2 RBP: ffffc90003897690 R08: ffffffff839da273 R09: 1ffffffff21bae90 R10: dffffc0000000000 R11: fffffbfff21bae91 R12: 1ffff92000712f1e R13: 00000000000d9000 R14: 0000000000101000 R15: 1ffff92000712f1f FS: 00007f73188496c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f39fba05000 CR3: 000000005143e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> extent_fiemap+0xeae/0x1fe0 btrfs_fiemap+0x178/0x1e0 fs/btrfs/inode.c:7830 ioctl_fiemap fs/ioctl.c:220 [inline] do_vfs_ioctl+0x19ea/0x2b40 fs/ioctl.c:811 __do_sys_ioctl fs/ioctl.c:869 [inline] __se_sys_ioctl+0x81/0x170 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f7317a7cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f73188490c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7317b9c120 RCX: 00007f7317a7cae9 RDX: 00000000200000c0 RSI: 00000000c020660b RDI: 0000000000000005 RBP: 00007f7317ac847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f7317b9c120 R15: 00007fff6ffca378 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
