------------[ cut here ]------------ WARNING: CPU: 1 PID: 4749 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 Modules linked in: CPU: 1 PID: 4749 Comm: syz-executor Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c fs/btrfs/space-info.h:110 sp : ffff80001f927740 x29: ffff80001f927750 x28: dfff800000000000 x27: 1fffe0001a330e0c x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 x20: ffff0000d1987060 x19: 0000000000000000 x18: 0000000000000000 x17: ffff800016d27000 x16: ffff8000111cd488 x15: ffff800016807500 x14: ffff0000d13c2540 x13: dfff800000000000 x12: 0000000000ff0100 x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02b7ec x8 : ffff0000d13c1b40 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff800016f0ef38 x4 : 0000000000000008 x3 : ffff8000082d60cc x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 Call trace: btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:142 [inline] block_rsv_release_bytes fs/btrfs/block-rsv.c:151 [inline] btrfs_block_rsv_release+0x408/0x4e4 fs/btrfs/block-rsv.c:295 btrfs_release_global_block_rsv+0x38/0x22c fs/btrfs/block-rsv.c:451 btrfs_free_block_groups+0x7b4/0xb44 fs/btrfs/block-group.c:3988 close_ctree+0x608/0x84c fs/btrfs/disk-io.c:4528 btrfs_put_super+0x40/0x50 fs/btrfs/super.c:340 generic_shutdown_super+0x130/0x2f0 fs/super.c:475 kill_anon_super+0x4c/0x80 fs/super.c:1089 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2390 deactivate_locked_super+0xb8/0x13c fs/super.c:335 deactivate_super+0xf8/0x118 fs/super.c:366 cleanup_mnt+0x3a4/0x458 fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1e0 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x24b4/0x3128 arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1e0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 171266 hardirqs last enabled at (171265): [] kasan_quarantine_put+0xc4/0x204 mm/kasan/quarantine.c:231 hardirqs last disabled at (171266): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (170408): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (170408): [] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604 softirqs last disabled at (170397): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (170397): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (170397): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (170397): [] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659 ---[ end trace ffb59772b3842f15 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4749 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 Modules linked in: CPU: 1 PID: 4749 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c fs/btrfs/space-info.h:110 sp : ffff80001f927740 x29: ffff80001f927750 x28: dfff800000000000 x27: 1fffe00018380f0c x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 x20: ffff0000c1c07860 x19: 0000000000000000 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000111cd488 x15: 0000000000000005 x14: 00000000111c92a8 x13: 1ffff0000283206b x12: 0000000000ff0100 x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02b7ec x8 : ffff0000d13c1b40 x7 : ffff80000a02aad0 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60cc x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 Call trace: btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:142 [inline] block_rsv_release_bytes fs/btrfs/block-rsv.c:151 [inline] btrfs_block_rsv_release+0x408/0x4e4 fs/btrfs/block-rsv.c:295 btrfs_release_global_block_rsv+0x38/0x22c fs/btrfs/block-rsv.c:451 btrfs_free_block_groups+0x7b4/0xb44 fs/btrfs/block-group.c:3988 close_ctree+0x608/0x84c fs/btrfs/disk-io.c:4528 btrfs_put_super+0x40/0x50 fs/btrfs/super.c:340 generic_shutdown_super+0x130/0x2f0 fs/super.c:475 kill_anon_super+0x4c/0x80 fs/super.c:1089 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2390 deactivate_locked_super+0xb8/0x13c fs/super.c:335 deactivate_super+0xf8/0x118 fs/super.c:366 cleanup_mnt+0x3a4/0x458 fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1e0 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x24b4/0x3128 arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1e0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 328888 hardirqs last enabled at (328887): [] kasan_quarantine_put+0xc4/0x204 mm/kasan/quarantine.c:231 hardirqs last disabled at (328888): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (327300): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (327300): [] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604 softirqs last disabled at (327011): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (327011): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (327011): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (327011): [] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659 ---[ end trace ffb59772b3842f16 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4749 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 Modules linked in: CPU: 1 PID: 4749 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c fs/btrfs/space-info.h:110 sp : ffff80001f927740 x29: ffff80001f927750 x28: dfff800000000000 x27: 1fffe0001ab0150c x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 x20: ffff0000d580a860 x19: 0000000000000000 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000111cd488 x15: 0000000000000003 x14: 00000000111c92a8 x13: 1ffff0000283206b x12: 0000000000ff0100 x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02b7ec x8 : ffff0000d13c1b40 x7 : ffff80000a02aad0 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60cc x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 Call trace: btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:142 [inline] block_rsv_release_bytes fs/btrfs/block-rsv.c:151 [inline] btrfs_block_rsv_release+0x408/0x4e4 fs/btrfs/block-rsv.c:295 btrfs_release_global_block_rsv+0x38/0x22c fs/btrfs/block-rsv.c:451 btrfs_free_block_groups+0x7b4/0xb44 fs/btrfs/block-group.c:3988 close_ctree+0x608/0x84c fs/btrfs/disk-io.c:4528 btrfs_put_super+0x40/0x50 fs/btrfs/super.c:340 generic_shutdown_super+0x130/0x2f0 fs/super.c:475 kill_anon_super+0x4c/0x80 fs/super.c:1089 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2390 deactivate_locked_super+0xb8/0x13c fs/super.c:335 deactivate_super+0xf8/0x118 fs/super.c:366 cleanup_mnt+0x3a4/0x458 fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1e0 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x24b4/0x3128 arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1e0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 340048 hardirqs last enabled at (340047): [] kasan_quarantine_put+0xc4/0x204 mm/kasan/quarantine.c:231 hardirqs last disabled at (340048): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (338418): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (338418): [] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604 softirqs last disabled at (338133): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (338133): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (338133): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (338133): [] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659 ---[ end trace ffb59772b3842f17 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4749 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 Modules linked in: CPU: 1 PID: 4749 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c fs/btrfs/space-info.h:110 sp : ffff80001f927740 x29: ffff80001f927750 x28: dfff800000000000 x27: 1fffe0001a2b1a0c x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 x20: ffff0000d158d060 x19: 0000000000000000 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000111cd488 x15: 0000000000000003 x14: 00000000111c92a8 x13: 1ffff0000283206b x12: 0000000000ff0100 x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02b7ec x8 : ffff0000d13c1b40 x7 : ffff80000a02aad0 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60cc x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 Call trace: btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:142 [inline] block_rsv_release_bytes fs/btrfs/block-rsv.c:151 [inline] btrfs_block_rsv_release+0x408/0x4e4 fs/btrfs/block-rsv.c:295 btrfs_release_global_block_rsv+0x38/0x22c fs/btrfs/block-rsv.c:451 btrfs_free_block_groups+0x7b4/0xb44 fs/btrfs/block-group.c:3988 close_ctree+0x608/0x84c fs/btrfs/disk-io.c:4528 btrfs_put_super+0x40/0x50 fs/btrfs/super.c:340 generic_shutdown_super+0x130/0x2f0 fs/super.c:475 kill_anon_super+0x4c/0x80 fs/super.c:1089 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2390 deactivate_locked_super+0xb8/0x13c fs/super.c:335 deactivate_super+0xf8/0x118 fs/super.c:366 cleanup_mnt+0x3a4/0x458 fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1e0 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x24b4/0x3128 arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1e0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 360608 hardirqs last enabled at (360607): [] kasan_quarantine_put+0xc4/0x204 mm/kasan/quarantine.c:231 hardirqs last disabled at (360608): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (357974): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (357972): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace ffb59772b3842f18 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4749 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 Modules linked in: CPU: 0 PID: 4749 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c fs/btrfs/space-info.h:110 sp : ffff80001f927740 x29: ffff80001f927750 x28: dfff800000000000 x27: 1fffe0001cb2080c x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 x20: ffff0000e5904060 x19: 0000000000000000 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000111cd488 x15: 0000000000000003 x14: 00000000111c92a8 x13: 1ffff0000283206b x12: 0000000000ff0100 x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02b7ec x8 : ffff0000d13c1b40 x7 : ffff80000a02aad0 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60cc x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 Call trace: btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:142 [inline] block_rsv_release_bytes fs/btrfs/block-rsv.c:151 [inline] btrfs_block_rsv_release+0x408/0x4e4 fs/btrfs/block-rsv.c:295 btrfs_release_global_block_rsv+0x38/0x22c fs/btrfs/block-rsv.c:451 btrfs_free_block_groups+0x7b4/0xb44 fs/btrfs/block-group.c:3988 close_ctree+0x608/0x84c fs/btrfs/disk-io.c:4528 btrfs_put_super+0x40/0x50 fs/btrfs/super.c:340 generic_shutdown_super+0x130/0x2f0 fs/super.c:475 kill_anon_super+0x4c/0x80 fs/super.c:1089 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2390 deactivate_locked_super+0xb8/0x13c fs/super.c:335 deactivate_super+0xf8/0x118 fs/super.c:366 cleanup_mnt+0x3a4/0x458 fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1e0 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x24b4/0x3128 arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1e0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 518186 hardirqs last enabled at (518185): [] kasan_quarantine_put+0xc4/0x204 mm/kasan/quarantine.c:231 hardirqs last disabled at (518186): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (515258): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (515256): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace ffb59772b3842f19 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4749 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 Modules linked in: CPU: 1 PID: 4749 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c fs/btrfs/space-info.h:110 sp : ffff80001f927740 x29: ffff80001f927750 x28: dfff800000000000 x27: 1fffe0001af74c0c x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000002 x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 x20: ffff0000d7ba6060 x19: 0000000000000000 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000111cd488 x15: 0000000000000003 x14: 00000000111c92a8 x13: 1ffff0000283206b x12: 0000000000ff0100 x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02b7ec x8 : ffff0000d13c1b40 x7 : ffff80000a02aad0 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60cc x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 Call trace: btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:142 [inline] block_rsv_release_bytes fs/btrfs/block-rsv.c:151 [inline] btrfs_block_rsv_release+0x408/0x4e4 fs/btrfs/block-rsv.c:295 btrfs_release_global_block_rsv+0x38/0x22c fs/btrfs/block-rsv.c:451 btrfs_free_block_groups+0x7b4/0xb44 fs/btrfs/block-group.c:3988 close_ctree+0x608/0x84c fs/btrfs/disk-io.c:4528 btrfs_put_super+0x40/0x50 fs/btrfs/super.c:340 generic_shutdown_super+0x130/0x2f0 fs/super.c:475 kill_anon_super+0x4c/0x80 fs/super.c:1089 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2390 deactivate_locked_super+0xb8/0x13c fs/super.c:335 deactivate_super+0xf8/0x118 fs/super.c:366 cleanup_mnt+0x3a4/0x458 fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1e0 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x24b4/0x3128 arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1e0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 674360 hardirqs last enabled at (674359): [] kasan_quarantine_put+0xc4/0x204 mm/kasan/quarantine.c:231 hardirqs last disabled at (674360): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (673254): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (673254): [] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604 softirqs last disabled at (673249): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (673249): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (673249): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (673249): [] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659 ---[ end trace ffb59772b3842f1a ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4749 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 Modules linked in: CPU: 0 PID: 4749 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c fs/btrfs/space-info.h:110 sp : ffff80001f927740 x29: ffff80001f927750 x28: dfff800000000000 x27: 1fffe0001af91b0c x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 x20: ffff0000d7c8d860 x19: 0000000000000000 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000111cd488 x15: 0000000000000003 x14: 00000000111c92a8 x13: 1ffff0000283206b x12: 0000000000ff0100 x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02b7ec x8 : ffff0000d13c1b40 x7 : ffff80000a02aad0 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60cc x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 Call trace: btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:142 [inline] block_rsv_release_bytes fs/btrfs/block-rsv.c:151 [inline] btrfs_block_rsv_release+0x408/0x4e4 fs/btrfs/block-rsv.c:295 btrfs_release_global_block_rsv+0x38/0x22c fs/btrfs/block-rsv.c:451 btrfs_free_block_groups+0x7b4/0xb44 fs/btrfs/block-group.c:3988 close_ctree+0x608/0x84c fs/btrfs/disk-io.c:4528 btrfs_put_super+0x40/0x50 fs/btrfs/super.c:340 generic_shutdown_super+0x130/0x2f0 fs/super.c:475 kill_anon_super+0x4c/0x80 fs/super.c:1089 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2390 deactivate_locked_super+0xb8/0x13c fs/super.c:335 deactivate_super+0xf8/0x118 fs/super.c:366 cleanup_mnt+0x3a4/0x458 fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1e0 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x24b4/0x3128 arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1e0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 833006 hardirqs last enabled at (833005): [] kasan_quarantine_put+0xc4/0x204 mm/kasan/quarantine.c:231 hardirqs last disabled at (833006): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (829520): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (829518): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace ffb59772b3842f1b ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4749 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 Modules linked in: CPU: 0 PID: 4749 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c fs/btrfs/space-info.h:110 sp : ffff80001f927740 x29: ffff80001f927750 x28: dfff800000000000 x27: 1fffe0001d5c0c0c x26: dfff800000000000 x25: ffff80001418d310 x24: 0000000000000001 x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 x20: ffff0000eae06060 x19: 0000000000000000 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000111cd488 x15: 0000000000000003 x14: 00000000111c92a8 x13: 1ffff0000283206b x12: 0000000000ff0100 x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a02b7ec x8 : ffff0000d13c1b40 x7 : ffff80000a02aad0 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d60cc x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 Call trace: btrfs_space_info_update_bytes_may_use+0x2b8/0x66c fs/btrfs/space-info.h:-1 btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:142 [inline] block_rsv_release_bytes fs/btrfs/block-rsv.c:151 [inline] btrfs_block_rsv_release+0x408/0x4e4 fs/btrfs/block-rsv.c:295 btrfs_release_global_block_rsv+0x38/0x22c fs/btrfs/block-rsv.c:451 btrfs_free_block_groups+0x7b4/0xb44 fs/btrfs/block-group.c:3988 close_ctree+0x608/0x84c fs/btrfs/disk-io.c:4528 btrfs_put_super+0x40/0x50 fs/btrfs/super.c:340 generic_shutdown_super+0x130/0x2f0 fs/super.c:475 kill_anon_super+0x4c/0x80 fs/super.c:1089 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2390 deactivate_locked_super+0xb8/0x13c fs/super.c:335 deactivate_super+0xf8/0x118 fs/super.c:366 cleanup_mnt+0x3a4/0x458 fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1e0 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x24b4/0x3128 arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1e0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 990986 hardirqs last enabled at (990985): [] kasan_quarantine_put+0xc4/0x204 mm/kasan/quarantine.c:231 hardirqs last disabled at (990986): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (990316): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (990316): [] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604 softirqs last disabled at (990273): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (990273): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (990273): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (990273): [] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659 ---[ end trace ffb59772b3842f1c ]---