------------[ cut here ]------------
WARNING: CPU: 0 PID: 4963 at fs/btrfs/extent-tree.c:1204 btrfs_issue_discard+0x2b5/0x2f0 fs/btrfs/extent-tree.c:1204
Modules linked in:
CPU: 0 PID: 4963 Comm: syz-executor.0 Not tainted 5.13.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:btrfs_issue_discard+0x2b5/0x2f0 fs/btrfs/extent-tree.c:1204
Code: 25 00 31 ff 41 89 c7 89 c6 e8 67 43 78 ff 45 85 ff 75 2c e8 1d 3c 78 ff 48 8b 04 24 48 01 28 e9 e7 fe ff ff e8 0c 3c 78 ff 90 <0f> 0b 90 49 01 ec 49 29 dc 49 81 e4 00 fe ff ff e9 7a fd ff ff e8
RSP: 0018:ffffc9000037fa70 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000504200 RCX: 0000000000000000
RDX: ffff88810ff14e00 RSI: ffffffff81be3544 RDI: 0000000000000003
RBP: 0000000000504018 R08: 0000000000504018 R09: 0000000000000001
R10: ffffffff81be32cb R11: 0000000000000000 R12: 000000000018bfe8
R13: 0000000000000001 R14: 0000000000504018 R15: 000000000018bfe8
FS:  00007fcb7e4d56c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdea686b4a8 CR3: 0000000112e82000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_discard_extent fs/btrfs/extent-tree.c:1298 [inline]
 btrfs_discard_extent+0x1dc/0x490 fs/btrfs/extent-tree.c:1353
 do_trimming+0xfd/0x300 fs/btrfs/free-space-cache.c:3518
 trim_no_bitmap+0x383/0x620 fs/btrfs/free-space-cache.c:3642
 btrfs_trim_block_group+0xb0/0x180 fs/btrfs/free-space-cache.c:3882
 btrfs_trim_fs+0xed/0x640 fs/btrfs/extent-tree.c:6016
 btrfs_ioctl_fitrim+0x1f4/0x2b0 fs/btrfs/ioctl.c:434
 btrfs_ioctl+0x1a94/0x3c30 fs/btrfs/ioctl.c:4800
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:1069 [inline]
 __se_sys_ioctl fs/ioctl.c:1055 [inline]
 __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:1055
 do_syscall_64+0x3b/0x80 arch/x86/entry/common.c:47
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fcb7f174d29
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:00007fcb7e4d50c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fcb7f2a4050 RCX: 00007fcb7f174d29
RDX: 0000000020000080 RSI: 00000000c0185879 RDI: 0000000000000005
RBP: 00007fcb7f1c147a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fcb7f2a4050 R15: 00007fff6da1d6e8