------------[ cut here ]------------ WARNING: CPU: 1 PID: 27914 at fs/btrfs/extent_io.c:2824 emit_fiemap_extent+0x314/0x380 fs/btrfs/extent_io.c:2824 Modules linked in: CPU: 1 PID: 27914 Comm: syz-executor.3 Not tainted 6.4.0-rc6-syzkaller-00279-g8c1f0c38b310 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:emit_fiemap_extent+0x314/0x380 fs/btrfs/extent_io.c:2824 Code: 12 79 66 fe e9 6d ff ff ff 48 8b 7c 24 20 e8 63 78 66 fe e9 33 fe ff ff 4c 89 ef e8 b6 78 66 fe e9 a9 fe ff ff e8 ac a3 14 fe <0f> 0b 41 be ea ff ff ff e9 49 ff ff ff 48 8b 7c 24 18 e8 f5 78 66 RSP: 0018:ffffc90007717858 EFLAGS: 00010216 RAX: 0000000000001d4f RBX: ffffc90007717bf0 RCX: ffffc9000d001000 RDX: 0000000000040000 RSI: ffffffff836ec404 RDI: 0000000000000006 RBP: 0000000000093000 R08: 0000000000000006 R09: 0000000000101000 R10: 0000000000093000 R11: 0000000000094001 R12: 00000000005aa000 R13: ffffc90007717c0c R14: 0000000000101000 R15: 000000000006e000 FS: 00007f62c03d9700(0000) GS:ffff88806b700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffefff2dda8 CR3: 0000000065f80000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: fiemap_process_hole+0x516/0x610 fs/btrfs/extent_io.c:3104 extent_fiemap+0x123b/0x1950 fs/btrfs/extent_io.c:3319 btrfs_fiemap+0xe9/0x170 fs/btrfs/inode.c:7808 ioctl_fiemap fs/ioctl.c:219 [inline] do_vfs_ioctl+0x466/0x1670 fs/ioctl.c:810 __do_sys_ioctl fs/ioctl.c:868 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x10c/0x210 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f62bf68c389 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f62c03d9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f62bf7ac050 RCX: 00007f62bf68c389 RDX: 00000000200012c0 RSI: 00000000c020660b RDI: 0000000000000004 RBP: 00007f62bf6d7493 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd4abb07ff R14: 00007f62c03d9300 R15: 0000000000022000