------------[ cut here ]------------ WARNING: CPU: 1 PID: 6553 at fs/btrfs/extent-tree.c:3198 __btrfs_free_extent+0x2168/0x3264 fs/btrfs/extent-tree.c:3199 Modules linked in: CPU: 1 UID: 0 PID: 6553 Comm: syz.3.4 Not tainted 6.15.0-rc1-syzkaller-g2fe2b96c3818 #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __btrfs_free_extent+0x2168/0x3264 fs/btrfs/extent-tree.c:3199 lr : __btrfs_free_extent+0x458/0x3264 fs/btrfs/extent-tree.c:3101 sp : ffff8000a5406920 x29: ffff8000a5406ae0 x28: 0000000000000000 x27: 0000000000690000 x26: 1fffe0001a0c0f7e x25: ffff0000c527f5c8 x24: 00000000fffffffe x23: 1fffe0001a0c0f7f x22: 00000000fffffffe x21: ffff0000c9dfa9a0 x20: ffff0000d0607bf0 x19: ffff0000d0607bf8 x18: 1ffff00014a80c98 x17: 00000000fffffffa x16: ffff8000833376cc x15: ffff700014a80cb2 x14: 0000000000000002 x13: 00000000fffffffe x12: ffff0000cd0c9e80 x11: 0000000000ff0100 x10: 0000000000000005 x9 : ffff8000906a0420 x8 : 0000800000000000 x7 : ffff800082442804 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002 x2 : 0000000000000002 x1 : ffff8000906a0400 x0 : 00000000fffffffe Call trace: __btrfs_free_extent+0x2168/0x3264 fs/btrfs/extent-tree.c:3199 (P) run_delayed_tree_ref fs/btrfs/extent-tree.c:1747 [inline] run_one_delayed_ref fs/btrfs/extent-tree.c:1773 [inline] btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:1970 [inline] __btrfs_run_delayed_refs+0xb28/0x3778 fs/btrfs/extent-tree.c:2040 btrfs_run_delayed_refs+0xc4/0x2e8 fs/btrfs/extent-tree.c:2152 btrfs_start_dirty_block_groups+0xac0/0xe0c fs/btrfs/block-group.c:3518 btrfs_commit_transaction+0x2c8/0x2afc fs/btrfs/transaction.c:2239 btrfs_rebuild_free_space_tree+0x20c/0x550 fs/btrfs/free-space-tree.c:1356 btrfs_start_pre_rw_mount+0xb68/0xef4 fs/btrfs/disk-io.c:3074 open_ctree+0x1c3c/0x20ec fs/btrfs/disk-io.c:3614 btrfs_fill_super fs/btrfs/super.c:972 [inline] btrfs_get_tree_super fs/btrfs/super.c:1898 [inline] btrfs_get_tree+0xdac/0x12bc fs/btrfs/super.c:2093 vfs_get_tree+0x90/0x28c fs/super.c:1759 fc_mount+0x24/0xac fs/namespace.c:1293 btrfs_get_tree_subvol fs/btrfs/super.c:2051 [inline] btrfs_get_tree+0x4e4/0x12bc fs/btrfs/super.c:2094 vfs_get_tree+0x90/0x28c fs/super.c:1759 do_new_mount+0x278/0x900 fs/namespace.c:3879 path_mount+0x590/0xe04 fs/namespace.c:4206 do_mount fs/namespace.c:4219 [inline] __do_sys_mount fs/namespace.c:4430 [inline] __se_sys_mount fs/namespace.c:4407 [inline] __arm64_sys_mount+0x4f4/0x5d0 fs/namespace.c:4407 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 69154 hardirqs last enabled at (69153): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (69154): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (66604): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (66604): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:607 softirqs last disabled at (66569): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ BTRFS: Transaction aborted (error -117) WARNING: CPU: 0 PID: 6553 at fs/btrfs/extent-tree.c:3202 __btrfs_free_extent+0x21dc/0x3264 fs/btrfs/extent-tree.c:3199 Modules linked in: CPU: 0 UID: 0 PID: 6553 Comm: syz.3.4 Tainted: G W 6.15.0-rc1-syzkaller-g2fe2b96c3818 #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __btrfs_free_extent+0x21dc/0x3264 fs/btrfs/extent-tree.c:3199 lr : __btrfs_free_extent+0x21dc/0x3264 fs/btrfs/extent-tree.c:3199 sp : ffff8000a5406920 x29: ffff8000a5406ae0 x28: 0000000000000000 x27: ffff700014a80d40 x26: 1fffe0001a0c0f7e x25: ffff0000c527f5c8 x24: 00000000fffffffe x23: 1fffe0001a0c0f7f x22: 0000000000000000 x21: 0000000000000000 x20: ffff0000d0607bf0 x19: ffff0000d0607bf8 x18: 1fffe000366ddab6 x17: ffff80008ff3e000 x16: ffff8000833376cc x15: 0000000000000001 x14: 1fffe00019b38000 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 0000000000000003 x9 : c634e1752c660e00 x8 : c634e1752c660e00 x7 : ffff8000803e1a18 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000803d37e8 x2 : 0000000000000001 x1 : ffff80008bfd5580 x0 : 0000000000000001 Call trace: __btrfs_free_extent+0x21dc/0x3264 fs/btrfs/extent-tree.c:3199 (P) run_delayed_tree_ref fs/btrfs/extent-tree.c:1747 [inline] run_one_delayed_ref fs/btrfs/extent-tree.c:1773 [inline] btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:1970 [inline] __btrfs_run_delayed_refs+0xb28/0x3778 fs/btrfs/extent-tree.c:2040 btrfs_run_delayed_refs+0xc4/0x2e8 fs/btrfs/extent-tree.c:2152 btrfs_start_dirty_block_groups+0xac0/0xe0c fs/btrfs/block-group.c:3518 btrfs_commit_transaction+0x2c8/0x2afc fs/btrfs/transaction.c:2239 btrfs_rebuild_free_space_tree+0x20c/0x550 fs/btrfs/free-space-tree.c:1356 btrfs_start_pre_rw_mount+0xb68/0xef4 fs/btrfs/disk-io.c:3074 open_ctree+0x1c3c/0x20ec fs/btrfs/disk-io.c:3614 btrfs_fill_super fs/btrfs/super.c:972 [inline] btrfs_get_tree_super fs/btrfs/super.c:1898 [inline] btrfs_get_tree+0xdac/0x12bc fs/btrfs/super.c:2093 vfs_get_tree+0x90/0x28c fs/super.c:1759 fc_mount+0x24/0xac fs/namespace.c:1293 btrfs_get_tree_subvol fs/btrfs/super.c:2051 [inline] btrfs_get_tree+0x4e4/0x12bc fs/btrfs/super.c:2094 vfs_get_tree+0x90/0x28c fs/super.c:1759 do_new_mount+0x278/0x900 fs/namespace.c:3879 path_mount+0x590/0xe04 fs/namespace.c:4206 do_mount fs/namespace.c:4219 [inline] __do_sys_mount fs/namespace.c:4430 [inline] __se_sys_mount fs/namespace.c:4407 [inline] __arm64_sys_mount+0x4f4/0x5d0 fs/namespace.c:4407 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 69552 hardirqs last enabled at (69551): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1525 [inline] hardirqs last enabled at (69551): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5130 hardirqs last disabled at (69552): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (69524): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (69524): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:607 softirqs last disabled at (69157): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- BTRFS: error (device loop3 state A) in __btrfs_free_extent:3202: errno=-117 Filesystem corrupted BTRFS info (device loop3 state EA): leaf 5308416 gen 8 total ptrs 14 free space 3210 owner 2 item 0 key (1048576 192 4194304) itemoff 3971 itemsize 24 block group used 4096 chunk_objectid 256 flags 2 item 1 key (1052672 169 0) itemoff 3938 itemsize 33 extent refs 1 gen 5 flags 2 ref#0: tree block backref root 3 item 2 key (5242880 169 0) itemoff 3905 itemsize 33 extent refs 1 gen 6 flags 2 ref#0: tree block backref root 1 item 3 key (5242880 192 1638400) itemoff 3881 itemsize 24 block group used 40960 chunk_objectid 256 flags 5 item 4 key (5246976 169 0) itemoff 3848 itemsize 33 extent refs 1 gen 5 flags 2 ref#0: tree block backref root 5 item 5 key (5251072 169 0) itemoff 3815 itemsize 33 extent refs 1 gen 6 flags 2 ref#0: tree block backref root 2 item 6 key (5259264 169 0) itemoff 3782 itemsize 33 extent refs 1 gen 5 flags 2 ref#0: tree block backref root 4 item 7 key (5263360 169 0) itemoff 3749 itemsize 33 extent refs 1 gen 6 flags 2 ref#0: tree block backref root 10 item 8 key (5279744 169 0) itemoff 3716 itemsize 33 extent refs 1 gen 5 flags 2 ref#0: tree block backref root 7 item 9 key (5287936 169 0) itemoff 3683 itemsize 33 extent refs 1 gen 5 flags 2 ref#0: tree block backref root 18446744073709551607 item 10 key (5292032 169 0) itemoff 3650 itemsize 33 extent refs 1 gen 5 flags 2 ref#0: tree block backref root 9 item 11 key (5304320 169 0) itemoff 3617 itemsize 33 extent refs 1 gen 8 flags 2 ref#0: tree block backref root 10 item 12 key (5308416 169 0) itemoff 3584 itemsize 33 extent refs 1 gen 8 flags 2 ref#0: tree block backref root 2 item 13 key (6881280 192 1638400) itemoff 3560 itemsize 24 block group used 0 chunk_objectid 256 flags 5 BTRFS critical (device loop3 state EA): unable to find ref byte nr 6881280 parent 0 root 10 owner 0 offset 0 slot 13 BTRFS error (device loop3 state EA): failed to run delayed ref for logical 6881280 num_bytes 4096 type 176 action 2 ref_mod 1: -2 BTRFS: error (device loop3 state EA) in btrfs_run_delayed_refs:2154: errno=-2 No such entry BTRFS warning (device loop3 state EA): failed to rebuild free space tree: -2 BTRFS error (device loop3 state EA): commit super ret -30 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6553 at fs/btrfs/block-group.c:159 btrfs_put_block_group+0x2cc/0x360 fs/btrfs/block-group.c:159 Modules linked in: CPU: 0 UID: 0 PID: 6553 Comm: syz.3.4 Tainted: G W 6.15.0-rc1-syzkaller-g2fe2b96c3818 #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_put_block_group+0x2cc/0x360 fs/btrfs/block-group.c:159 lr : btrfs_put_block_group+0x2cc/0x360 fs/btrfs/block-group.c:159 sp : ffff8000a54073e0 x29: ffff8000a54073e0 x28: dead000000000100 x27: 0000000000000002 x26: 0000000000000001 x25: ffff0000dc48a000 x24: 0000000000000000 x23: dfff800000000000 x22: ffff0000d217c180 x21: 0000000000000001 x20: 0000000000001000 x19: ffff0000dc48a000 x18: 1fffe000366ddab6 x17: 00000000fffffffa x16: ffff8000803c3924 x15: 0000000000000001 x14: 1fffe0001b891435 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 000000000007ffff x9 : ffff8000a7fd3000 x8 : 0000000000080000 x7 : ffff800080159ccc x6 : ffff800080159ec8 x5 : ffff0000d561cb28 x4 : ffff8000a54070f8 x3 : ffff8000826afbac x2 : 0000000000000001 x1 : 0000000000001000 x0 : 0000000000000000 Call trace: btrfs_put_block_group+0x2cc/0x360 fs/btrfs/block-group.c:159 (P) btrfs_free_block_groups+0x9d8/0xe4c fs/btrfs/block-group.c:4493 close_ctree+0x65c/0xb8c fs/btrfs/disk-io.c:4488 open_ctree+0x1e6c/0x20ec fs/btrfs/disk-io.c:-1 btrfs_fill_super fs/btrfs/super.c:972 [inline] btrfs_get_tree_super fs/btrfs/super.c:1898 [inline] btrfs_get_tree+0xdac/0x12bc fs/btrfs/super.c:2093 vfs_get_tree+0x90/0x28c fs/super.c:1759 fc_mount+0x24/0xac fs/namespace.c:1293 btrfs_get_tree_subvol fs/btrfs/super.c:2051 [inline] btrfs_get_tree+0x4e4/0x12bc fs/btrfs/super.c:2094 vfs_get_tree+0x90/0x28c fs/super.c:1759 do_new_mount+0x278/0x900 fs/namespace.c:3879 path_mount+0x590/0xe04 fs/namespace.c:4206 do_mount fs/namespace.c:4219 [inline] __do_sys_mount fs/namespace.c:4430 [inline] __se_sys_mount fs/namespace.c:4407 [inline] __arm64_sys_mount+0x4f4/0x5d0 fs/namespace.c:4407 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 76746 hardirqs last enabled at (76745): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (76746): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (69782): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (69782): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:607 softirqs last disabled at (69733): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6553 at fs/btrfs/block-group.c:159 btrfs_put_block_group+0x2cc/0x360 fs/btrfs/block-group.c:159 Modules linked in: CPU: 1 UID: 0 PID: 6553 Comm: syz.3.4 Tainted: G W 6.15.0-rc1-syzkaller-g2fe2b96c3818 #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_put_block_group+0x2cc/0x360 fs/btrfs/block-group.c:159 lr : btrfs_put_block_group+0x2cc/0x360 fs/btrfs/block-group.c:159 sp : ffff8000a54073e0 x29: ffff8000a54073e0 x28: dead000000000100 x27: 0000000000000002 x26: 0000000000000001 x25: ffff0000dc489800 x24: 0000000000000000 x23: dfff800000000000 x22: ffff0000d217c180 x21: 0000000000000001 x20: 0000000000002000 x19: ffff0000dc489800 x18: 1fffe000366ddab6 x17: 00000000fffffffa x16: ffff8000803c3924 x15: 0000000000000001 x14: 1fffe0001b891335 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 000000000007ffff x9 : ffff8000a7fd3000 x8 : 0000000000080000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000001 x3 : ffff8000826afbac x2 : 0000000000000001 x1 : 0000000000002000 x0 : 0000000000000000 Call trace: btrfs_put_block_group+0x2cc/0x360 fs/btrfs/block-group.c:159 (P) btrfs_free_block_groups+0x9d8/0xe4c fs/btrfs/block-group.c:4493 close_ctree+0x65c/0xb8c fs/btrfs/disk-io.c:4488 open_ctree+0x1e6c/0x20ec fs/btrfs/disk-io.c:-1 btrfs_fill_super fs/btrfs/super.c:972 [inline] btrfs_get_tree_super fs/btrfs/super.c:1898 [inline] btrfs_get_tree+0xdac/0x12bc fs/btrfs/super.c:2093 vfs_get_tree+0x90/0x28c fs/super.c:1759 fc_mount+0x24/0xac fs/namespace.c:1293 btrfs_get_tree_subvol fs/btrfs/super.c:2051 [inline] btrfs_get_tree+0x4e4/0x12bc fs/btrfs/super.c:2094 vfs_get_tree+0x90/0x28c fs/super.c:1759 do_new_mount+0x278/0x900 fs/namespace.c:3879 path_mount+0x590/0xe04 fs/namespace.c:4206 do_mount fs/namespace.c:4219 [inline] __do_sys_mount fs/namespace.c:4430 [inline] __se_sys_mount fs/namespace.c:4407 [inline] __arm64_sys_mount+0x4f4/0x5d0 fs/namespace.c:4407 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 77092 hardirqs last enabled at (77091): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (77092): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (77058): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (77058): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:607 softirqs last disabled at (76751): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6553 at fs/btrfs/block-rsv.c:454 btrfs_release_global_block_rsv+0x218/0x22c fs/btrfs/block-rsv.c:454 Modules linked in: CPU: 0 UID: 0 PID: 6553 Comm: syz.3.4 Tainted: G W 6.15.0-rc1-syzkaller-g2fe2b96c3818 #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x218/0x22c fs/btrfs/block-rsv.c:454 lr : btrfs_release_global_block_rsv+0x218/0x22c fs/btrfs/block-rsv.c:454 sp : ffff8000a54073f0 x29: ffff8000a54073f0 x28: dead000000000100 x27: 0000000000100000 x26: 0000000000000001 x25: ffff0000dc489000 x24: 0000000000000000 x23: 1fffe0001b891233 x22: ffff0000d217c180 x21: dfff800000000000 x20: 000000000005e000 x19: ffff0000d217c400 x18: 1fffe0001e6e1a0b x17: 00000000fffffffa x16: ffff8000803c3924 x15: 0000000000000001 x14: 1fffe0001e6e1a01 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 000000000007ffff x9 : ffff8000a7fd3000 x8 : 0000000000080000 x7 : ffff8000826aaecc x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000804900b4 x2 : 0000000000000001 x1 : 000000000005e000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x218/0x22c fs/btrfs/block-rsv.c:454 (P) btrfs_free_block_groups+0xa88/0xe4c fs/btrfs/block-group.c:4499 close_ctree+0x65c/0xb8c fs/btrfs/disk-io.c:4488 open_ctree+0x1e6c/0x20ec fs/btrfs/disk-io.c:-1 btrfs_fill_super fs/btrfs/super.c:972 [inline] btrfs_get_tree_super fs/btrfs/super.c:1898 [inline] btrfs_get_tree+0xdac/0x12bc fs/btrfs/super.c:2093 vfs_get_tree+0x90/0x28c fs/super.c:1759 fc_mount+0x24/0xac fs/namespace.c:1293 btrfs_get_tree_subvol fs/btrfs/super.c:2051 [inline] btrfs_get_tree+0x4e4/0x12bc fs/btrfs/super.c:2094 vfs_get_tree+0x90/0x28c fs/super.c:1759 do_new_mount+0x278/0x900 fs/namespace.c:3879 path_mount+0x590/0xe04 fs/namespace.c:4206 do_mount fs/namespace.c:4219 [inline] __do_sys_mount fs/namespace.c:4430 [inline] __se_sys_mount fs/namespace.c:4407 [inline] __arm64_sys_mount+0x4f4/0x5d0 fs/namespace.c:4407 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 77468 hardirqs last enabled at (77467): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (77468): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (77438): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (77438): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:607 softirqs last disabled at (77097): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6553 at fs/btrfs/block-rsv.c:455 btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:455 Modules linked in: CPU: 0 UID: 0 PID: 6553 Comm: syz.3.4 Tainted: G W 6.15.0-rc1-syzkaller-g2fe2b96c3818 #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:455 lr : btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:455 sp : ffff8000a54073f0 x29: ffff8000a54073f0 x28: dead000000000100 x27: 0000000000100000 x26: 0000000000000001 x25: ffff0000dc489000 x24: 0000000000000000 x23: 1fffe0001b891233 x22: ffff0000d217c180 x21: dfff800000000000 x20: 000000000005e000 x19: 00000000000c0000 x18: 1fffe0001e6e1a0b x17: 00000000fffffffa x16: ffff8000803c3924 x15: 0000000000000001 x14: 1fffe0001e6e1a01 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 000000000007ffff x9 : ffff8000a7fd3000 x8 : 0000000000080000 x7 : ffff8000826aaecc x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000804900b4 x2 : 0000000000000001 x1 : 00000000000c0000 x0 : 0000000000000000 Call trace: btrfs_release_global_block_rsv+0x224/0x22c fs/btrfs/block-rsv.c:455 (P) btrfs_free_block_groups+0xa88/0xe4c fs/btrfs/block-group.c:4499 close_ctree+0x65c/0xb8c fs/btrfs/disk-io.c:4488 open_ctree+0x1e6c/0x20ec fs/btrfs/disk-io.c:-1 btrfs_fill_super fs/btrfs/super.c:972 [inline] btrfs_get_tree_super fs/btrfs/super.c:1898 [inline] btrfs_get_tree+0xdac/0x12bc fs/btrfs/super.c:2093 vfs_get_tree+0x90/0x28c fs/super.c:1759 fc_mount+0x24/0xac fs/namespace.c:1293 btrfs_get_tree_subvol fs/btrfs/super.c:2051 [inline] btrfs_get_tree+0x4e4/0x12bc fs/btrfs/super.c:2094 vfs_get_tree+0x90/0x28c fs/super.c:1759 do_new_mount+0x278/0x900 fs/namespace.c:3879 path_mount+0x590/0xe04 fs/namespace.c:4206 do_mount fs/namespace.c:4219 [inline] __do_sys_mount fs/namespace.c:4430 [inline] __se_sys_mount fs/namespace.c:4407 [inline] __arm64_sys_mount+0x4f4/0x5d0 fs/namespace.c:4407 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 77650 hardirqs last enabled at (77649): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline] hardirqs last enabled at (77649): [] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95 hardirqs last disabled at (77650): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (77644): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (77644): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:607 softirqs last disabled at (77473): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6553 at fs/btrfs/block-group.c:4511 btrfs_free_block_groups+0xaf8/0xe4c fs/btrfs/block-group.c:4510 Modules linked in: CPU: 1 UID: 0 PID: 6553 Comm: syz.3.4 Tainted: G W 6.15.0-rc1-syzkaller-g2fe2b96c3818 #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_free_block_groups+0xaf8/0xe4c fs/btrfs/block-group.c:4510 lr : btrfs_free_block_groups+0xd24/0xe4c fs/btrfs/block-group.c:4510 sp : ffff8000a5407420 x29: ffff8000a5407440 x28: dead000000000100 x27: 0000000000100000 x26: 1fffe0001a42fa45 x25: ffff0000dc489000 x24: 000000000005e000 x23: ffff0000f370d000 x22: ffff0000f370d0b8 x21: ffff0000d217daf0 x20: ffff0000d217d228 x19: dfff800000000000 x18: 1fffe0001e6e1a0b x17: 00000000fffffffa x16: ffff8000803c3924 x15: 0000000000000001 x14: 1fffe0001e6e1a01 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 000000000007ffff x9 : ffff8000a7fd3000 x8 : 0000000000080000 x7 : ffff8000826aaecc x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000804900b4 x2 : 0000000000000001 x1 : 000000000005e000 x0 : 0000000000000000 Call trace: btrfs_free_block_groups+0xaf8/0xe4c fs/btrfs/block-group.c:4510 (P) close_ctree+0x65c/0xb8c fs/btrfs/disk-io.c:4488 open_ctree+0x1e6c/0x20ec fs/btrfs/disk-io.c:-1 btrfs_fill_super fs/btrfs/super.c:972 [inline] btrfs_get_tree_super fs/btrfs/super.c:1898 [inline] btrfs_get_tree+0xdac/0x12bc fs/btrfs/super.c:2093 vfs_get_tree+0x90/0x28c fs/super.c:1759 fc_mount+0x24/0xac fs/namespace.c:1293 btrfs_get_tree_subvol fs/btrfs/super.c:2051 [inline] btrfs_get_tree+0x4e4/0x12bc fs/btrfs/super.c:2094 vfs_get_tree+0x90/0x28c fs/super.c:1759 do_new_mount+0x278/0x900 fs/namespace.c:3879 path_mount+0x590/0xe04 fs/namespace.c:4206 do_mount fs/namespace.c:4219 [inline] __do_sys_mount fs/namespace.c:4430 [inline] __se_sys_mount fs/namespace.c:4407 [inline] __arm64_sys_mount+0x4f4/0x5d0 fs/namespace.c:4407 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 77848 hardirqs last enabled at (77847): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline] hardirqs last enabled at (77847): [] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95 hardirqs last disabled at (77848): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (77842): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (77842): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:607 softirqs last disabled at (77655): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop3 state EA): space_info DATA+METADATA has 2838528 free, is not full BTRFS info (device loop3 state EA): space_info total=3276800, used=40960, pinned=0, reserved=12288, may_use=385024, readonly=0 zone_unusable=0 BTRFS info (device loop3 state EA): global_block_rsv: size 0 reserved 0 BTRFS info (device loop3 state EA): trans_block_rsv: size 0 reserved 0 BTRFS info (device loop3 state EA): chunk_block_rsv: size 0 reserved 0 BTRFS info (device loop3 state EA): delayed_ BTRFS info (device loop3 state EA): delayed_block_rsv: size 0 reserved 0 BTRFS info (device loop3 state EA): delayed_refs_rsv: size 786432 reserved 385024 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6553 at fs/btrfs/block-group.c:4523 btrfs_free_block_groups+0xcfc/0xe4c fs/btrfs/block-group.c:4523 Modules linked in: CPU: 1 UID: 0 PID: 6553 Comm: syz.3.4 Tainted: G W 6.15.0-rc1-syzkaller-g2fe2b96c3818 #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_free_block_groups+0xcfc/0xe4c fs/btrfs/block-group.c:4523 lr : btrfs_free_block_groups+0xcfc/0xe4c fs/btrfs/block-group.c:4523 sp : ffff8000a5407420 x29: ffff8000a5407440 x28: dead000000000100 x27: 0000000000100000 x26: 1fffe0001a42fa45 x25: ffff0000dc489000 x24: 0000000000003000 x23: ffff0000f370d000 x22: ffff0000f370d0b8 x21: ffff0000d217daf0 x20: ffff0000d217d228 x19: dfff800000000000 x18: 1fffe000366e22b6 x17: ffff80008ff3e000 x16: ffff8000833376cc x15: 0000000000000001 x14: 1fffe000366e4d28 x13: ffff8000a5408000 x12: ffff8000a5407000 x11: 0000000000080000 x10: 000000000007ffff x9 : ffff8000a7fd3000 x8 : 0000000000080000 x7 : ffff8000803e1a18 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : 0000000000003000 x0 : 0000000000000000 Call trace: btrfs_free_block_groups+0xcfc/0xe4c fs/btrfs/block-group.c:4523 (P) close_ctree+0x65c/0xb8c fs/btrfs/disk-io.c:4488 open_ctree+0x1e6c/0x20ec fs/btrfs/disk-io.c:-1 btrfs_fill_super fs/btrfs/super.c:972 [inline] btrfs_get_tree_super fs/btrfs/super.c:1898 [inline] btrfs_get_tree+0xdac/0x12bc fs/btrfs/super.c:2093 vfs_get_tree+0x90/0x28c fs/super.c:1759 fc_mount+0x24/0xac fs/namespace.c:1293 btrfs_get_tree_subvol fs/btrfs/super.c:2051 [inline] btrfs_get_tree+0x4e4/0x12bc fs/btrfs/super.c:2094 vfs_get_tree+0x90/0x28c fs/super.c:1759 do_new_mount+0x278/0x900 fs/namespace.c:3879 path_mount+0x590/0xe04 fs/namespace.c:4206 do_mount fs/namespace.c:4219 [inline] __do_sys_mount fs/namespace.c:4430 [inline] __se_sys_mount fs/namespace.c:4407 [inline] __arm64_sys_mount+0x4f4/0x5d0 fs/namespace.c:4407 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 78274 hardirqs last enabled at (78273): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1525 [inline] hardirqs last enabled at (78273): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5130 hardirqs last disabled at (78274): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (78178): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (78178): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:607 softirqs last disabled at (77857): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop3 state EA): space_info DATA+METADATA has 2838528 free, is not full BTRFS info (device loop3 state EA): space_info total=3276800, used=40960, pinned=0, reserved=12288, may_use=385024, readonly=0 zone_unusable=0 BTRFS info (device loop3 state EA): global_block_rsv: size 0 reserved 0 BTRFS info (device loop3 state EA): trans_block_rsv: size 0 reserved 0 BTRFS info (device loop3 state EA): chunk_block_rsv: size 0 reserved 0 BTRFS info (device loop3 state EA): delayed_block_rsv: size 0 reserved 0 BTRFS info (device loop3 state EA): delayed_refs_rsv: size 786432 reserved 385024 BTRFS error (device loop3 state EA): open_ctree failed: -2