BTRFS info (device loop0 state EA): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7106 at fs/btrfs/space-info.h:265 btrfs_space_info_update_bytes_may_use+0x354/0x6a4 fs/btrfs/space-info.h:-1 Modules linked in: CPU: 1 UID: 0 PID: 7106 Comm: syz-executor Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_space_info_update_bytes_may_use+0x354/0x6a4 fs/btrfs/space-info.h:-1 lr : btrfs_space_info_update_bytes_may_use+0x350/0x6a4 fs/btrfs/space-info.h:265 sp : ffff80009ce07850 x29: ffff80009ce07870 x28: 1fffe0001b719410 x27: dfff800000000000 x26: ffff80008f59e768 x25: 0000000000000002 x24: ffff0000cba31ed0 x23: 0000000000000005 x22: 00000000000ff000 x21: 0000000000100000 x20: ffff0000db8ca080 x19: 0000000000000000 x18: 00000000ffffffff x17: ffff800093325000 x16: ffff800082dee3c0 x15: ffff7000139c0f00 x14: 1ffff000139c0f00 x13: 0000000000000004 x12: ffffffffffffffff x11: ffff7000139c0f00 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : ffff800093505b88 x4 : 0000000000000008 x3 : ffff800080537f90 x2 : 0000000000000001 x1 : 0000000000100000 x0 : 00000000000ff000 Call trace: btrfs_space_info_update_bytes_may_use+0x354/0x6a4 fs/btrfs/space-info.h:-1 (P) btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:297 [inline] block_rsv_release_bytes fs/btrfs/block-rsv.c:153 [inline] btrfs_block_rsv_release+0x3a4/0x490 fs/btrfs/block-rsv.c:292 btrfs_release_global_block_rsv+0x38/0x22c fs/btrfs/block-rsv.c:457 btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 168980 hardirqs last enabled at (168979): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (168980): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (167332): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (167332): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (167305): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop0 state EA): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 1 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe0001a8edc2c x27: dfff800000000000 x26: ffff0000d476e058 x25: 0000000000000001 x24: ffff0000d476e1a8 x23: ffff0000d476e000 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000020000 x18: 1fffe000337db690 x17: ffff80008f59e000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe0001a8ed904 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001a8ed905 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000020000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 196560 hardirqs last enabled at (196559): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (196560): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (194852): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (194850): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop0 state EA): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf BTRFS info (device loop0 state EA): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 0 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe0001a453a2c x27: dfff800000000000 x26: ffff0000d229d058 x25: 0000000000000001 x24: ffff0000d229d1a8 x23: ffff0000d229d000 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 1fffe000337d6e90 x17: ffff80008f59e000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe0001a453504 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001a453505 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 249606 hardirqs last enabled at (249605): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (249606): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (249136): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (249136): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (249125): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop0): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 0 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe0001a8ed22c x27: dfff800000000000 x26: ffff0000d4769058 x25: 0000000000000001 x24: ffff0000d47691a8 x23: ffff0000d4769000 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 1fffe000337d6e90 x17: ffff80008f59e000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe0001a8ed704 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001a8ed705 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 303068 hardirqs last enabled at (303067): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (303068): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (302072): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (302072): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (300595): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 1 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe0001aba1f2c x27: dfff800000000000 x26: ffff0000d5d0f858 x25: 0000000000000001 x24: ffff0000d5d0f9a8 x23: ffff0000d5d0f800 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 1fffe000337db690 x17: ffff80008f59e000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe0001aba1804 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001aba1805 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 462370 hardirqs last enabled at (462369): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (462370): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (460684): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (460682): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 1 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe0001b71982c x27: dfff800000000000 x26: ffff0000db8cc058 x25: 0000000000000001 x24: ffff0000db8cc1a8 x23: ffff0000db8cc000 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 1fffe000337db690 x17: ffff80008f59e000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe0001b719104 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001b719105 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 488552 hardirqs last enabled at (488551): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (488552): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (487458): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (487458): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (487439): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 0 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe000190a0c2c x27: dfff800000000000 x26: ffff0000c8506058 x25: 0000000000000001 x24: ffff0000c85061a8 x23: ffff0000c8506000 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 1fffe000337d6e90 x17: ffff80008f59e000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe000190a0b04 x13: 0000000000000000 x12: 0000000000000000 x11: ffff6000190a0b05 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 514412 hardirqs last enabled at (514411): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (514412): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (512588): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (512586): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 0 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe0001b40892c x27: dfff800000000000 x26: ffff0000da044858 x25: 0000000000000001 x24: ffff0000da0449a8 x23: ffff0000da044800 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 1fffe000337d6e90 x17: ffff80008f59e000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe0001b408504 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001b408505 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 540092 hardirqs last enabled at (540091): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (540092): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (538302): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (538300): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 0 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe0001884e02c x27: dfff800000000000 x26: ffff0000c4270058 x25: 0000000000000001 x24: ffff0000c42701a8 x23: ffff0000c4270000 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 00000000ffffffff x17: ffff800093325000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe0001ac6ee04 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001ac6ee05 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 593470 hardirqs last enabled at (593469): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (593470): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (591392): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (591390): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop0 state EA): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 0 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe0001a4c692c x27: dfff800000000000 x26: ffff0000d2634858 x25: 0000000000000001 x24: ffff0000d26349a8 x23: ffff0000d2634800 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 1fffe000337d6e90 x17: ffff80008f59e000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe0001a4c6104 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001a4c6105 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 620120 hardirqs last enabled at (620119): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (620120): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (619062): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (619062): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (619057): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop0 state EA): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 0 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe0001962f22c x27: dfff800000000000 x26: ffff0000cb179058 x25: 0000000000000001 x24: ffff0000cb1791a8 x23: ffff0000cb179000 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 1fffe000337d6e90 x17: ffff80008f59e000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe0001962f104 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001962f105 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 647744 hardirqs last enabled at (647743): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (647744): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (647430): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (647430): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (647413): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop0 state EA): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf BTRFS info (device loop0 state EA): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 0 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe0001a6a2b2c x27: dfff800000000000 x26: ffff0000d3515858 x25: 0000000000000001 x24: ffff0000d35159a8 x23: ffff0000d3515800 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 1fffe000337d6e90 x17: ffff80008f59e000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe0001a6a2904 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001a6a2905 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 699598 hardirqs last enabled at (699597): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (699598): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (697880): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (697878): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop0 state EA): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 1 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe0001af19d2c x27: dfff800000000000 x26: ffff0000d78ce858 x25: 0000000000000001 x24: ffff0000d78ce9a8 x23: ffff0000d78ce800 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 1fffe000337db690 x17: ffff80008f59e000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe0001af19b04 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001af19b05 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 726302 hardirqs last enabled at (726301): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (726302): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (724770): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (724770): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (724657): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop0 state EA): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 0 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe0001c554c2c x27: dfff800000000000 x26: ffff0000e2aa6058 x25: 0000000000000001 x24: ffff0000e2aa61a8 x23: ffff0000e2aa6000 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 00000000ffffffff x17: ffff800093325000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe0001c554b04 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001c554b05 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 752920 hardirqs last enabled at (752919): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (752920): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (751516): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (751516): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (751363): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop0 state EA): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 0 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe00019e9952c x27: dfff800000000000 x26: ffff0000cf4ca858 x25: 0000000000000001 x24: ffff0000cf4ca9a8 x23: ffff0000cf4ca800 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 1fffe000337d6e90 x17: ffff80008f59e000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe00019e99e04 x13: 0000000000000000 x12: 0000000000000000 x11: ffff600019e99e05 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 779676 hardirqs last enabled at (779675): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (779676): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (779126): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (779126): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (778759): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 0 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe0001b3b722c x27: dfff800000000000 x26: ffff0000d9db9058 x25: 0000000000000001 x24: ffff0000d9db91a8 x23: ffff0000d9db9000 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 1fffe000337d6e90 x17: ffff80008f59e000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe0001b3b7e04 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001b3b7e05 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 805140 hardirqs last enabled at (805139): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (805140): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (803434): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (803432): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 0 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe0001b19c82c x27: dfff800000000000 x26: ffff0000d8ce4058 x25: 0000000000000001 x24: ffff0000d8ce41a8 x23: ffff0000d8ce4000 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 1fffe000337d6e90 x17: ffff80010c9ca000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe0001b19c704 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001b19c705 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 856880 hardirqs last enabled at (856879): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (856880): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (855274): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (855272): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 0 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe0001a974f2c x27: dfff800000000000 x26: ffff0000d4ba7858 x25: 0000000000000001 x24: ffff0000d4ba79a8 x23: ffff0000d4ba7800 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 1fffe000337d6e90 x17: ffff80008f59e000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe0001a974204 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001a974205 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 884816 hardirqs last enabled at (884815): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (884816): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (883202): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (883200): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 0 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe0001966692c x27: dfff800000000000 x26: ffff0000cb334858 x25: 0000000000000001 x24: ffff0000cb3349a8 x23: ffff0000cb334800 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 1fffe000337d6e90 x17: ffff80008f59e000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe00019666704 x13: 0000000000000000 x12: 0000000000000000 x11: ffff600019666705 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 910436 hardirqs last enabled at (910435): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (910436): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (910116): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (910116): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (910111): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 0 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe00018f6522c x27: dfff800000000000 x26: ffff0000c7b29058 x25: 0000000000000001 x24: ffff0000c7b291a8 x23: ffff0000c7b29000 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 1fffe000337d6e90 x17: ffff80008f59e000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe00018f65704 x13: 0000000000000000 x12: 0000000000000000 x11: ffff600018f65705 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 937162 hardirqs last enabled at (937161): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (937162): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (935334): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (935332): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 1 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe0001a06732c x27: dfff800000000000 x26: ffff0000d0339858 x25: 0000000000000001 x24: ffff0000d03399a8 x23: ffff0000d0339800 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 1fffe000337db690 x17: ffff80008f59e000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe0001a067204 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001a067205 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 963446 hardirqs last enabled at (963445): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (963446): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (963272): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (963272): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (963253): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 1 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe0001a7ce22c x27: dfff800000000000 x26: ffff0000d3e71058 x25: 0000000000000001 x24: ffff0000d3e711a8 x23: ffff0000d3e71000 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 1fffe000337db690 x17: ffff80008f59e000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe0001b142504 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001b142505 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 989984 hardirqs last enabled at (989983): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (989984): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (989722): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (989722): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (989707): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 1 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe0001ab2202c x27: dfff800000000000 x26: ffff0000d5910058 x25: 0000000000000001 x24: ffff0000d59101a8 x23: ffff0000d5910000 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 1fffe000337db690 x17: ffff80008f59e000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe0001ab22104 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001ab22105 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 1018566 hardirqs last enabled at (1018565): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (1018566): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (1016940): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (1016938): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7106 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 Modules linked in: CPU: 1 UID: 0 PID: 7106 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 sp : ffff80009ce07940 x29: ffff80009ce07940 x28: 1fffe0001981122c x27: dfff800000000000 x26: ffff0000cc089058 x25: 0000000000000001 x24: ffff0000cc0891a8 x23: ffff0000cc089000 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000030000 x18: 1fffe000337db690 x17: ffff80008f59e000 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe00019811304 x13: 0000000000000000 x12: 0000000000000000 x11: ffff600019811305 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cba31ec0 x7 : ffff800082599394 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000030000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:466 (P) btrfs_free_block_groups+0xa4c/0xd10 fs/btrfs/block-group.c:4574 close_ctree+0x650/0x113c fs/btrfs/disk-io.c:4426 btrfs_put_super+0x1ac/0x1c0 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1281 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2134 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 1070236 hardirqs last enabled at (1070235): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (1070236): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (1068584): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (1068582): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---