BTRFS info (device loop3): auto enabling async discard ------------[ cut here ]------------ WARNING: CPU: 1 PID: 13598 at fs/btrfs/extent-tree.c:1263 btrfs_issue_discard+0x528/0x534 fs/btrfs/extent-tree.c:1264 Modules linked in: CPU: 1 PID: 13598 Comm: syz-executor.3 Not tainted 6.7.0-rc8-syzkaller-g0802e17d9aca #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_issue_discard+0x528/0x534 fs/btrfs/extent-tree.c:1264 lr : btrfs_issue_discard+0x51c/0x534 fs/btrfs/extent-tree.c:1263 sp : ffff800097067430 x29: ffff800097067440 x28: dfff800000000000 x27: 0000000000000001 x26: 0000000000000000 x25: ffff000126f36000 x24: 00000000006e0200 x23: 000000000013fffe x22: ffff800097067580 x21: 00000000006e0200 x20: ffff0000c149e780 x19: ffff800097067580 x18: 1fffe0003682a5ce x17: ffff80008e4ed000 x16: ffff80008a830eb8 x15: 0000000000000001 x14: 1fffe00018bb6e5d x13: 0000000000000000 x12: 0000000000000000 x11: ffff600018bb6e5e x10: 0000000000ff0100 x9 : 0000000000000000 x8 : 000000000013fe00 x7 : 0000000000000000 x6 : 000000000000003f x5 : 00000000ffffffff x4 : 0000000000000d40 x3 : ffff800097067580 x2 : 000000000013fffe x1 : 00000000006e0002 x0 : 00000000006e0200 Call trace: btrfs_issue_discard+0x528/0x534 fs/btrfs/extent-tree.c:1264 do_discard_extent fs/btrfs/extent-tree.c:1359 [inline] btrfs_discard_extent+0x4f8/0x8d0 fs/btrfs/extent-tree.c:1410 do_trimming+0x1dc/0x53c fs/btrfs/free-space-cache.c:3673 trim_no_bitmap+0xa14/0xd9c fs/btrfs/free-space-cache.c:3797 btrfs_trim_block_group+0x11c/0x250 fs/btrfs/free-space-cache.c:4037 btrfs_trim_fs+0x2c4/0xd70 fs/btrfs/extent-tree.c:6317 btrfs_ioctl_fitrim+0x5bc/0x714 fs/btrfs/ioctl.c:535 btrfs_ioctl+0x768/0xb08 fs/btrfs/ioctl.c:4583 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:857 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 irq event stamp: 77078 hardirqs last enabled at (77077): [] percpu_counter_add_batch+0x210/0x30c lib/percpu_counter.c:102 hardirqs last disabled at (77078): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (76582): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (76580): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- BTRFS warning (device loop3): failed to trim 1 block group(s), last error -512