------------[ cut here ]------------
WARNING: CPU: 1 PID: 4635 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 fs/btrfs/space-info.h:-1
Modules linked in:
CPU: 1 PID: 4635 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 fs/btrfs/space-info.h:-1
lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 fs/btrfs/space-info.h:110
sp : ffff80001f2a7740
x29: ffff80001f2a7750 x28: 0000000000000000 x27: 1fffe0001a9ffe0c
x26: dfff800000000000 x25: ffff80001439d110 x24: 0000000000000002
x23: 0000000000000004 x22: 0000000000340000 x21: 000000000033c000
x20: ffff0000d4fff060 x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800011366f9c x15: ffff800016f32000
x14: ffff700003e54edc x13: 1ffff00003e54edc x12: 0000000000000004
x11: ff8080000a093894 x10: 0000000000000000 x9 : ffff80000a093894
x8 : ffff0000ceb39b40 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff80001710e728 x4 : 0000000000000008 x3 : ffff8000082dbd7c
x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000
Call trace:
 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 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+0x3bc/0x498 fs/btrfs/block-rsv.c:295
 btrfs_release_global_block_rsv+0x38/0x22c fs/btrfs/block-rsv.c:451
 btrfs_free_block_groups+0x7b8/0xb20 fs/btrfs/block-group.c:3988
 close_ctree+0x62c/0x848 fs/btrfs/disk-io.c:4505
 btrfs_put_super+0x40/0x50 fs/btrfs/super.c:340
 generic_shutdown_super+0x138/0x2f8 fs/super.c:475
 kill_anon_super+0x4c/0x80 fs/super.c:1089
 btrfs_kill_super+0x44/0x5c fs/btrfs/super.c:2390
 deactivate_locked_super+0xc0/0x13c fs/super.c:335
 deactivate_super+0xf0/0x110 fs/super.c:366
 cleanup_mnt+0x3bc/0x470 fs/namespace.c:1148
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155
 task_work_run+0x13c/0x1e8 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x2488/0x30a8 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+0xf0/0x1d0 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: 118818
hardirqs last  enabled at (118817): [<ffff800008851124>] kasan_quarantine_put+0xc4/0x200 mm/kasan/quarantine.c:231
hardirqs last disabled at (118818): [<ffff800011362964>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (116570): [<ffff8000081a2b54>] softirq_handle_end kernel/softirq.c:419 [inline]
softirqs last  enabled at (116570): [<ffff8000081a2b54>] handle_softirqs+0xa70/0xc14 kernel/softirq.c:604
softirqs last disabled at (116533): [<ffff8000081a315c>] __do_softirq kernel/softirq.c:610 [inline]
softirqs last disabled at (116533): [<ffff8000081a315c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (116533): [<ffff8000081a315c>] invoke_softirq kernel/softirq.c:457 [inline]
softirqs last disabled at (116533): [<ffff8000081a315c>] __irq_exit_rcu+0x240/0x434 kernel/softirq.c:659
---[ end trace ad362767d6fc77e9 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4635 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 fs/btrfs/space-info.h:-1
Modules linked in:
CPU: 0 PID: 4635 Comm: syz-executor Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 fs/btrfs/space-info.h:-1
lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 fs/btrfs/space-info.h:110
sp : ffff80001f2a7740
x29: ffff80001f2a7750 x28: 0000000000000000 x27: 1fffe0001916740c
x26: dfff800000000000 x25: ffff80001439d110 x24: 0000000000000001
x23: 0000000000000004 x22: 0000000000340000 x21: 000000000033c000
x20: ffff0000c8b3a060 x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800011366f9c x15: 0000000000000000
x14: ffff700003e54edc x13: 1ffff00003e54edc x12: 0000000000000004
x11: ff8080000a093894 x10: 0000000000000000 x9 : ffff80000a093894
x8 : ffff0000ceb39b40 x7 : ffff80000a092b64 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082dbd7c
x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000
Call trace:
 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 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+0x3bc/0x498 fs/btrfs/block-rsv.c:295
 btrfs_release_global_block_rsv+0x38/0x22c fs/btrfs/block-rsv.c:451
 btrfs_free_block_groups+0x7b8/0xb20 fs/btrfs/block-group.c:3988
 close_ctree+0x62c/0x848 fs/btrfs/disk-io.c:4505
 btrfs_put_super+0x40/0x50 fs/btrfs/super.c:340
 generic_shutdown_super+0x138/0x2f8 fs/super.c:475
 kill_anon_super+0x4c/0x80 fs/super.c:1089
 btrfs_kill_super+0x44/0x5c fs/btrfs/super.c:2390
 deactivate_locked_super+0xc0/0x13c fs/super.c:335
 deactivate_super+0xf0/0x110 fs/super.c:366
 cleanup_mnt+0x3bc/0x470 fs/namespace.c:1148
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155
 task_work_run+0x13c/0x1e8 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x2488/0x30a8 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+0xf0/0x1d0 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: 206372
hardirqs last  enabled at (206371): [<ffff800008851124>] kasan_quarantine_put+0xc4/0x200 mm/kasan/quarantine.c:231
hardirqs last disabled at (206372): [<ffff800011362964>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (206366): [<ffff8000081a2b54>] softirq_handle_end kernel/softirq.c:419 [inline]
softirqs last  enabled at (206366): [<ffff8000081a2b54>] handle_softirqs+0xa70/0xc14 kernel/softirq.c:604
softirqs last disabled at (206201): [<ffff8000081a315c>] __do_softirq kernel/softirq.c:610 [inline]
softirqs last disabled at (206201): [<ffff8000081a315c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (206201): [<ffff8000081a315c>] invoke_softirq kernel/softirq.c:457 [inline]
softirqs last disabled at (206201): [<ffff8000081a315c>] __irq_exit_rcu+0x240/0x434 kernel/softirq.c:659
---[ end trace ad362767d6fc77ea ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4635 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 fs/btrfs/space-info.h:-1
Modules linked in:
CPU: 0 PID: 4635 Comm: syz-executor Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 fs/btrfs/space-info.h:-1
lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 fs/btrfs/space-info.h:110
sp : ffff80001f2a7740
x29: ffff80001f2a7750 x28: 0000000000000000 x27: 1fffe0001b94db0c
x26: dfff800000000000 x25: ffff80001439d110 x24: 0000000000000001
x23: 0000000000000004 x22: 0000000000340000 x21: 000000000033c000
x20: ffff0000dca6d860 x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800011366f9c x15: 0000000000000000
x14: ffff700003e54edc x13: 1ffff00003e54edc x12: 0000000000000004
x11: ff8080000a093894 x10: 0000000000000000 x9 : ffff80000a093894
x8 : ffff0000ceb39b40 x7 : ffff80000a092b64 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082dbd7c
x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000
Call trace:
 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 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+0x3bc/0x498 fs/btrfs/block-rsv.c:295
 btrfs_release_global_block_rsv+0x38/0x22c fs/btrfs/block-rsv.c:451
 btrfs_free_block_groups+0x7b8/0xb20 fs/btrfs/block-group.c:3988
 close_ctree+0x62c/0x848 fs/btrfs/disk-io.c:4505
 btrfs_put_super+0x40/0x50 fs/btrfs/super.c:340
 generic_shutdown_super+0x138/0x2f8 fs/super.c:475
 kill_anon_super+0x4c/0x80 fs/super.c:1089
 btrfs_kill_super+0x44/0x5c fs/btrfs/super.c:2390
 deactivate_locked_super+0xc0/0x13c fs/super.c:335
 deactivate_super+0xf0/0x110 fs/super.c:366
 cleanup_mnt+0x3bc/0x470 fs/namespace.c:1148
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155
 task_work_run+0x13c/0x1e8 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x2488/0x30a8 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+0xf0/0x1d0 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: 293580
hardirqs last  enabled at (293579): [<ffff800008851124>] kasan_quarantine_put+0xc4/0x200 mm/kasan/quarantine.c:231
hardirqs last disabled at (293580): [<ffff800011362964>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (292904): [<ffff8000081a2b54>] softirq_handle_end kernel/softirq.c:419 [inline]
softirqs last  enabled at (292904): [<ffff8000081a2b54>] handle_softirqs+0xa70/0xc14 kernel/softirq.c:604
softirqs last disabled at (292865): [<ffff8000081a315c>] __do_softirq kernel/softirq.c:610 [inline]
softirqs last disabled at (292865): [<ffff8000081a315c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (292865): [<ffff8000081a315c>] invoke_softirq kernel/softirq.c:457 [inline]
softirqs last disabled at (292865): [<ffff8000081a315c>] __irq_exit_rcu+0x240/0x434 kernel/softirq.c:659
---[ end trace ad362767d6fc77eb ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4635 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 fs/btrfs/space-info.h:-1
Modules linked in:
CPU: 0 PID: 4635 Comm: syz-executor Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 fs/btrfs/space-info.h:-1
lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 fs/btrfs/space-info.h:110
sp : ffff80001f2a7740
x29: ffff80001f2a7750 x28: 0000000000000000 x27: 1fffe000190e8e0c
x26: dfff800000000000 x25: ffff80001439d110 x24: 0000000000000001
x23: 0000000000000004 x22: 0000000000340000 x21: 000000000033c000
x20: ffff0000c8747060 x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800011366f9c x15: 0000000000000000
x14: ffff700003e54edc x13: 1ffff00003e54edc x12: 0000000000000004
x11: ff8080000a093894 x10: 0000000000000000 x9 : ffff80000a093894
x8 : ffff0000ceb39b40 x7 : ffff80000a092b64 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082dbd7c
x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000
Call trace:
 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 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+0x3bc/0x498 fs/btrfs/block-rsv.c:295
 btrfs_release_global_block_rsv+0x38/0x22c fs/btrfs/block-rsv.c:451
 btrfs_free_block_groups+0x7b8/0xb20 fs/btrfs/block-group.c:3988
 close_ctree+0x62c/0x848 fs/btrfs/disk-io.c:4505
 btrfs_put_super+0x40/0x50 fs/btrfs/super.c:340
 generic_shutdown_super+0x138/0x2f8 fs/super.c:475
 kill_anon_super+0x4c/0x80 fs/super.c:1089
 btrfs_kill_super+0x44/0x5c fs/btrfs/super.c:2390
 deactivate_locked_super+0xc0/0x13c fs/super.c:335
 deactivate_super+0xf0/0x110 fs/super.c:366
 cleanup_mnt+0x3bc/0x470 fs/namespace.c:1148
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155
 task_work_run+0x13c/0x1e8 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x2488/0x30a8 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+0xf0/0x1d0 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: 380880
hardirqs last  enabled at (380879): [<ffff800008851124>] kasan_quarantine_put+0xc4/0x200 mm/kasan/quarantine.c:231
hardirqs last disabled at (380880): [<ffff800011362964>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (378944): [<ffff8000081a2b54>] softirq_handle_end kernel/softirq.c:419 [inline]
softirqs last  enabled at (378944): [<ffff8000081a2b54>] handle_softirqs+0xa70/0xc14 kernel/softirq.c:604
softirqs last disabled at (378843): [<ffff8000081a315c>] __do_softirq kernel/softirq.c:610 [inline]
softirqs last disabled at (378843): [<ffff8000081a315c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (378843): [<ffff8000081a315c>] invoke_softirq kernel/softirq.c:457 [inline]
softirqs last disabled at (378843): [<ffff8000081a315c>] __irq_exit_rcu+0x240/0x434 kernel/softirq.c:659
---[ end trace ad362767d6fc77ec ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4635 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 fs/btrfs/space-info.h:-1
Modules linked in:
CPU: 1 PID: 4635 Comm: syz-executor Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 fs/btrfs/space-info.h:-1
lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 fs/btrfs/space-info.h:110
sp : ffff80001f2a7740
x29: ffff80001f2a7750 x28: 0000000000000000 x27: 1fffe0001a8a9c0c
x26: dfff800000000000 x25: ffff80001439d110 x24: 0000000000000002
x23: 0000000000000004 x22: 0000000000340000 x21: 000000000033c000
x20: ffff0000d454e060 x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800011366f9c x15: 0000000000000000
x14: ffff700003e54edc x13: 1ffff00003e54edc x12: 0000000000000004
x11: ff8080000a093894 x10: 0000000000000000 x9 : ffff80000a093894
x8 : ffff0000ceb39b40 x7 : ffff80000a092b64 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082dbd7c
x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000
Call trace:
 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 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+0x3bc/0x498 fs/btrfs/block-rsv.c:295
 btrfs_release_global_block_rsv+0x38/0x22c fs/btrfs/block-rsv.c:451
 btrfs_free_block_groups+0x7b8/0xb20 fs/btrfs/block-group.c:3988
 close_ctree+0x62c/0x848 fs/btrfs/disk-io.c:4505
 btrfs_put_super+0x40/0x50 fs/btrfs/super.c:340
 generic_shutdown_super+0x138/0x2f8 fs/super.c:475
 kill_anon_super+0x4c/0x80 fs/super.c:1089
 btrfs_kill_super+0x44/0x5c fs/btrfs/super.c:2390
 deactivate_locked_super+0xc0/0x13c fs/super.c:335
 deactivate_super+0xf0/0x110 fs/super.c:366
 cleanup_mnt+0x3bc/0x470 fs/namespace.c:1148
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155
 task_work_run+0x13c/0x1e8 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x2488/0x30a8 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+0xf0/0x1d0 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: 468030
hardirqs last  enabled at (468029): [<ffff800008851124>] kasan_quarantine_put+0xc4/0x200 mm/kasan/quarantine.c:231
hardirqs last disabled at (468030): [<ffff800011362964>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (466164): [<ffff8000081a2b54>] softirq_handle_end kernel/softirq.c:419 [inline]
softirqs last  enabled at (466164): [<ffff8000081a2b54>] handle_softirqs+0xa70/0xc14 kernel/softirq.c:604
softirqs last disabled at (466151): [<ffff8000081a315c>] __do_softirq kernel/softirq.c:610 [inline]
softirqs last disabled at (466151): [<ffff8000081a315c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (466151): [<ffff8000081a315c>] invoke_softirq kernel/softirq.c:457 [inline]
softirqs last disabled at (466151): [<ffff8000081a315c>] __irq_exit_rcu+0x240/0x434 kernel/softirq.c:659
---[ end trace ad362767d6fc77ed ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4635 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 fs/btrfs/space-info.h:-1
Modules linked in:
CPU: 0 PID: 4635 Comm: syz-executor Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 fs/btrfs/space-info.h:-1
lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 fs/btrfs/space-info.h:110
sp : ffff80001f2a7740
x29: ffff80001f2a7750 x28: 0000000000000000 x27: 1fffe0001b7a930c
x26: dfff800000000000 x25: ffff80001439d110 x24: 0000000000000001
x23: 0000000000000004 x22: 0000000000340000 x21: 000000000033c000
x20: ffff0000dbd49860 x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800011366f9c x15: 0000000000000000
x14: ffff700003e54edc x13: 1ffff00003e54edc x12: 0000000000000004
x11: ff8080000a093894 x10: 0000000000000000 x9 : ffff80000a093894
x8 : ffff0000ceb39b40 x7 : ffff80000a092b64 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082dbd7c
x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000
Call trace:
 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 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+0x3bc/0x498 fs/btrfs/block-rsv.c:295
 btrfs_release_global_block_rsv+0x38/0x22c fs/btrfs/block-rsv.c:451
 btrfs_free_block_groups+0x7b8/0xb20 fs/btrfs/block-group.c:3988
 close_ctree+0x62c/0x848 fs/btrfs/disk-io.c:4505
 btrfs_put_super+0x40/0x50 fs/btrfs/super.c:340
 generic_shutdown_super+0x138/0x2f8 fs/super.c:475
 kill_anon_super+0x4c/0x80 fs/super.c:1089
 btrfs_kill_super+0x44/0x5c fs/btrfs/super.c:2390
 deactivate_locked_super+0xc0/0x13c fs/super.c:335
 deactivate_super+0xf0/0x110 fs/super.c:366
 cleanup_mnt+0x3bc/0x470 fs/namespace.c:1148
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155
 task_work_run+0x13c/0x1e8 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x2488/0x30a8 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+0xf0/0x1d0 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: 555620
hardirqs last  enabled at (555619): [<ffff800008851124>] kasan_quarantine_put+0xc4/0x200 mm/kasan/quarantine.c:231
hardirqs last disabled at (555620): [<ffff800011362964>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (553874): [<ffff80000803206c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (553872): [<ffff800008032038>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
---[ end trace ad362767d6fc77ee ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4635 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 fs/btrfs/space-info.h:-1
Modules linked in:
CPU: 0 PID: 4635 Comm: syz-executor Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 fs/btrfs/space-info.h:-1
lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 fs/btrfs/space-info.h:110
sp : ffff80001f2a7740
x29: ffff80001f2a7750 x28: 0000000000000000 x27: 1fffe00019f7b80c
x26: dfff800000000000 x25: ffff80001439d110 x24: 0000000000000001
x23: 0000000000000004 x22: 0000000000340000 x21: 000000000033c000
x20: ffff0000cfbdc060 x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800011366f9c x15: 0000000000000000
x14: ffff700003e54edc x13: 1ffff00003e54edc x12: 0000000000000004
x11: ff8080000a093894 x10: 0000000000000000 x9 : ffff80000a093894
x8 : ffff0000ceb39b40 x7 : ffff80000a092b64 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082dbd7c
x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000
Call trace:
 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 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+0x3bc/0x498 fs/btrfs/block-rsv.c:295
 btrfs_release_global_block_rsv+0x38/0x22c fs/btrfs/block-rsv.c:451
 btrfs_free_block_groups+0x7b8/0xb20 fs/btrfs/block-group.c:3988
 close_ctree+0x62c/0x848 fs/btrfs/disk-io.c:4505
 btrfs_put_super+0x40/0x50 fs/btrfs/super.c:340
 generic_shutdown_super+0x138/0x2f8 fs/super.c:475
 kill_anon_super+0x4c/0x80 fs/super.c:1089
 btrfs_kill_super+0x44/0x5c fs/btrfs/super.c:2390
 deactivate_locked_super+0xc0/0x13c fs/super.c:335
 deactivate_super+0xf0/0x110 fs/super.c:366
 cleanup_mnt+0x3bc/0x470 fs/namespace.c:1148
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155
 task_work_run+0x13c/0x1e8 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x2488/0x30a8 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+0xf0/0x1d0 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: 642476
hardirqs last  enabled at (642475): [<ffff800008851124>] kasan_quarantine_put+0xc4/0x200 mm/kasan/quarantine.c:231
hardirqs last disabled at (642476): [<ffff800011362964>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (641090): [<ffff8000081a2b54>] softirq_handle_end kernel/softirq.c:419 [inline]
softirqs last  enabled at (641090): [<ffff8000081a2b54>] handle_softirqs+0xa70/0xc14 kernel/softirq.c:604
softirqs last disabled at (641079): [<ffff8000081a315c>] __do_softirq kernel/softirq.c:610 [inline]
softirqs last disabled at (641079): [<ffff8000081a315c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (641079): [<ffff8000081a315c>] invoke_softirq kernel/softirq.c:457 [inline]
softirqs last disabled at (641079): [<ffff8000081a315c>] __irq_exit_rcu+0x240/0x434 kernel/softirq.c:659
---[ end trace ad362767d6fc77ef ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4635 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 fs/btrfs/space-info.h:-1
Modules linked in:
CPU: 0 PID: 4635 Comm: syz-executor Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 fs/btrfs/space-info.h:-1
lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 fs/btrfs/space-info.h:110
sp : ffff80001f2a7740
x29: ffff80001f2a7750 x28: 0000000000000000 x27: 1fffe000193b880c
x26: dfff800000000000 x25: ffff80001439d110 x24: 0000000000000001
x23: 0000000000000004 x22: 0000000000340000 x21: 000000000033c000
x20: ffff0000c9dc4060 x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800011366f9c x15: 0000000000000000
x14: ffff700003e54edc x13: 1ffff00003e54edc x12: 0000000000000004
x11: ff8080000a093894 x10: 0000000000000000 x9 : ffff80000a093894
x8 : ffff0000ceb39b40 x7 : ffff80000a092b64 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082dbd7c
x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000
Call trace:
 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 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+0x3bc/0x498 fs/btrfs/block-rsv.c:295
 btrfs_release_global_block_rsv+0x38/0x22c fs/btrfs/block-rsv.c:451
 btrfs_free_block_groups+0x7b8/0xb20 fs/btrfs/block-group.c:3988
 close_ctree+0x62c/0x848 fs/btrfs/disk-io.c:4505
 btrfs_put_super+0x40/0x50 fs/btrfs/super.c:340
 generic_shutdown_super+0x138/0x2f8 fs/super.c:475
 kill_anon_super+0x4c/0x80 fs/super.c:1089
 btrfs_kill_super+0x44/0x5c fs/btrfs/super.c:2390
 deactivate_locked_super+0xc0/0x13c fs/super.c:335
 deactivate_super+0xf0/0x110 fs/super.c:366
 cleanup_mnt+0x3bc/0x470 fs/namespace.c:1148
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155
 task_work_run+0x13c/0x1e8 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x2488/0x30a8 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+0xf0/0x1d0 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: 729900
hardirqs last  enabled at (729899): [<ffff800008851124>] kasan_quarantine_put+0xc4/0x200 mm/kasan/quarantine.c:231
hardirqs last disabled at (729900): [<ffff800011362964>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (728014): [<ffff80000803206c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (728012): [<ffff800008032038>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
---[ end trace ad362767d6fc77f0 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4635 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 fs/btrfs/space-info.h:-1
Modules linked in:
CPU: 0 PID: 4635 Comm: syz-executor Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 fs/btrfs/space-info.h:-1
lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 fs/btrfs/space-info.h:110
sp : ffff80001f2a7740
x29: ffff80001f2a7750 x28: 0000000000000000 x27: 1fffe0001ab46e0c
x26: dfff800000000000 x25: ffff80001439d110 x24: 0000000000000001
x23: 0000000000000004 x22: 0000000000340000 x21: 000000000033c000
x20: ffff0000d5a37060 x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800011366f9c x15: 0000000000000000
x14: ffff700003e54edc x13: 1ffff00003e54edc x12: 0000000000000004
x11: ff8080000a093894 x10: 0000000000000000 x9 : ffff80000a093894
x8 : ffff0000ceb39b40 x7 : ffff80000a092b64 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082dbd7c
x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000
Call trace:
 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 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+0x3bc/0x498 fs/btrfs/block-rsv.c:295
 btrfs_release_global_block_rsv+0x38/0x22c fs/btrfs/block-rsv.c:451
 btrfs_free_block_groups+0x7b8/0xb20 fs/btrfs/block-group.c:3988
 close_ctree+0x62c/0x848 fs/btrfs/disk-io.c:4505
 btrfs_put_super+0x40/0x50 fs/btrfs/super.c:340
 generic_shutdown_super+0x138/0x2f8 fs/super.c:475
 kill_anon_super+0x4c/0x80 fs/super.c:1089
 btrfs_kill_super+0x44/0x5c fs/btrfs/super.c:2390
 deactivate_locked_super+0xc0/0x13c fs/super.c:335
 deactivate_super+0xf0/0x110 fs/super.c:366
 cleanup_mnt+0x3bc/0x470 fs/namespace.c:1148
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155
 task_work_run+0x13c/0x1e8 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x2488/0x30a8 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+0xf0/0x1d0 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: 816810
hardirqs last  enabled at (816809): [<ffff800008851124>] kasan_quarantine_put+0xc4/0x200 mm/kasan/quarantine.c:231
hardirqs last disabled at (816810): [<ffff800011362964>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (814932): [<ffff80000803206c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (814930): [<ffff800008032038>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
---[ end trace ad362767d6fc77f1 ]---