[  488.678376][ T6612] BTRFS info (device loop1): last unmount of filesystem 2721f167-6ade-4456-8e9f-a3f66a799b84
[  489.588207][T14689] loop2: detected capacity change from 0 to 32768
[  489.635428][T14689] BTRFS: device fsid c0ead524-1f1c-4ccc-9384-0f6d362fec31 devid 1 transid 8 /dev/loop2 (7:2) scanned by syz.2.401 (14689)
[  489.737222][T14689] BTRFS info (device loop2): first mount of filesystem c0ead524-1f1c-4ccc-9384-0f6d362fec31
[  489.773044][T14692] loop3: detected capacity change from 0 to 32768
[  489.798012][T14689] BTRFS info (device loop2): using sha256 (sha256-x86_64) checksum algorithm
[  489.828014][T14689] BTRFS info (device loop2): using free-space-tree
[  489.828241][T14692] BTRFS: device /dev/loop3 (7:3) using temp-fsid 39418f43-9b9c-4688-9003-c6eede64ac6f
[  489.914862][T14694] loop0: detected capacity change from 0 to 32768
[  489.925636][T14692] BTRFS: device fsid c0ead524-1f1c-4ccc-9384-0f6d362fec31 devid 1 transid 8 /dev/loop3 (7:3) scanned by syz.3.399 (14692)
[  490.078185][T14694] BTRFS: device /dev/loop0 (7:0) using temp-fsid 44a6db7c-048c-49c3-a446-7cb4dca8c6b1
[  490.114309][T14692] BTRFS info (device loop3): first mount of filesystem c0ead524-1f1c-4ccc-9384-0f6d362fec31
[  490.121237][T14694] BTRFS: device fsid c0ead524-1f1c-4ccc-9384-0f6d362fec31 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.400 (14694)
[  490.177429][T14692] BTRFS info (device loop3): using sha256 (sha256-x86_64) checksum algorithm
[  490.217275][T14694] BTRFS info (device loop0): first mount of filesystem c0ead524-1f1c-4ccc-9384-0f6d362fec31
[  490.254645][T14692] BTRFS info (device loop3): using free-space-tree
[  490.264066][T14694] BTRFS info (device loop0): using sha256 (sha256-x86_64) checksum algorithm
[  490.297054][T14699] loop1: detected capacity change from 0 to 32768
[  490.325427][T14694] BTRFS info (device loop0): using free-space-tree
[  490.349731][T14697] loop4: detected capacity change from 0 to 32768
[  490.404733][T14699] BTRFS: device /dev/loop1 (7:1) using temp-fsid c3d045a4-1651-42b6-a51b-9ce888cd6ab0
[  490.459534][T14699] BTRFS: device fsid c0ead524-1f1c-4ccc-9384-0f6d362fec31 devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.403 (14699)
[  490.655929][T14697] BTRFS: device /dev/loop4 (7:4) using temp-fsid 460a5180-763b-49fd-be4f-e0da05300cab
[  490.706329][T14699] BTRFS info (device loop1): first mount of filesystem c0ead524-1f1c-4ccc-9384-0f6d362fec31
[  490.713892][T14697] BTRFS: device fsid c0ead524-1f1c-4ccc-9384-0f6d362fec31 devid 1 transid 8 /dev/loop4 (7:4) scanned by syz.4.402 (14697)
[  490.788031][T14699] BTRFS info (device loop1): using sha256 (sha256-x86_64) checksum algorithm
[  490.796940][T14699] BTRFS info (device loop1): using free-space-tree
[  490.807266][T14697] BTRFS info (device loop4): first mount of filesystem c0ead524-1f1c-4ccc-9384-0f6d362fec31
[  490.862694][T14697] BTRFS info (device loop4): using sha256 (sha256-x86_64) checksum algorithm
[  490.873531][T14697] BTRFS info (device loop4): using free-space-tree
[  491.213030][ T6623] BTRFS info (device loop3): last unmount of filesystem 39418f43-9b9c-4688-9003-c6eede64ac6f
[  491.497097][ T6616] BTRFS info (device loop2): last unmount of filesystem c0ead524-1f1c-4ccc-9384-0f6d362fec31
[  492.320524][T14696] BTRFS info (device loop4): last unmount of filesystem 460a5180-763b-49fd-be4f-e0da05300cab
[  492.726942][T14694] BTRFS info (device loop0): last unmount of filesystem 44a6db7c-048c-49c3-a446-7cb4dca8c6b1
[  492.766480][T14698] BTRFS info (device loop1): last unmount of filesystem c3d045a4-1651-42b6-a51b-9ce888cd6ab0
[  492.842745][ T1151] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  493.116895][ T1151] netdevsim netdevsim3 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  493.260616][ T1151] netdevsim netdevsim3 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  493.385707][ T1151] netdevsim netdevsim3 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  493.658603][ T1151] bridge_slave_1: left allmulticast mode
[  493.664358][ T1151] bridge_slave_1: left promiscuous mode
[  493.681923][ T1151] bridge0: port 2(bridge_slave_1) entered disabled state
[  493.699284][ T1151] bridge_slave_0: left allmulticast mode
Warning: Permanently added '10.128.1.56' (ED25519) to the list of known hosts.
[  493.705190][ T1151] bridge_slave_0: left promiscuous mode
[  493.722191][ T1151] bridge0: port 1(bridge_slave_0) entered disabled state
executing program
executing program
executing program
executing program
executing program
[  495.073625][ T1151] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[  495.106194][T14806] loop1: detected capacity change from 0 to 32768
[  495.157492][ T1151] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[  495.170050][T14806] BTRFS: device fsid c0ead524-1f1c-4ccc-9384-0f6d362fec31 devid 1 transid 8 /dev/loop1 (7:1) scanned by syz-executor344 (14806)
[  495.216765][ T1151] bond0 (unregistering): Released all slaves
[  495.245114][T14806] BTRFS info (device loop1): first mount of filesystem c0ead524-1f1c-4ccc-9384-0f6d362fec31
[  495.288322][T14806] BTRFS info (device loop1): using sha256 (sha256-x86_64) checksum algorithm
[  495.297227][T14806] BTRFS info (device loop1): using free-space-tree
[  495.299985][T14808] loop4: detected capacity change from 0 to 32768
[  495.342028][T14808] BTRFS: device /dev/loop4 (7:4) using temp-fsid 01aae886-ab31-4d82-8983-4f094ce134ad
[  495.366367][T14810] loop0: detected capacity change from 0 to 32768
[  495.400418][T14808] BTRFS: device fsid c0ead524-1f1c-4ccc-9384-0f6d362fec31 devid 1 transid 8 /dev/loop4 (7:4) scanned by syz-executor344 (14808)
[  495.413482][T14811] loop2: detected capacity change from 0 to 32768
[  495.433795][T14810] BTRFS: device /dev/loop0 (7:0) using temp-fsid 824226e5-0b0e-4abf-ba40-3038b81c4dda
[  495.459450][T14808] BTRFS info (device loop4): first mount of filesystem c0ead524-1f1c-4ccc-9384-0f6d362fec31
[  495.491827][T14808] BTRFS info (device loop4): using sha256 (sha256-x86_64) checksum algorithm
[  495.501827][T14810] BTRFS: device fsid c0ead524-1f1c-4ccc-9384-0f6d362fec31 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor344 (14810)
[  495.520006][T14808] BTRFS info (device loop4): using free-space-tree
[  495.559040][T14811] BTRFS: device /dev/loop2 (7:2) using temp-fsid 0e63b251-cd85-4e2d-a5e4-d14daab7a39c
[  495.578879][T14810] BTRFS info (device loop0): first mount of filesystem c0ead524-1f1c-4ccc-9384-0f6d362fec31
[  495.588295][T14811] BTRFS: device fsid c0ead524-1f1c-4ccc-9384-0f6d362fec31 devid 1 transid 8 /dev/loop2 (7:2) scanned by syz-executor344 (14811)
[  495.642108][T14811] BTRFS info (device loop2): first mount of filesystem c0ead524-1f1c-4ccc-9384-0f6d362fec31
[  495.651482][T14810] BTRFS info (device loop0): using sha256 (sha256-x86_64) checksum algorithm
[  495.680643][T14811] BTRFS info (device loop2): using sha256 (sha256-x86_64) checksum algorithm
[  495.703708][T14810] BTRFS info (device loop0): using free-space-tree
[  495.736569][T14816] loop3: detected capacity change from 0 to 32768
[  495.762936][T14811] BTRFS info (device loop2): using free-space-tree
[  495.778960][T14816] BTRFS: device /dev/loop3 (7:3) using temp-fsid 7d74d0ed-10b1-40b7-8588-b1ee98edaee7
[  495.800781][T14816] BTRFS: device fsid c0ead524-1f1c-4ccc-9384-0f6d362fec31 devid 1 transid 8 /dev/loop3 (7:3) scanned by syz-executor344 (14816)
[  495.846970][T14816] BTRFS info (device loop3): first mount of filesystem c0ead524-1f1c-4ccc-9384-0f6d362fec31
[  495.919715][T14816] BTRFS info (device loop3): using sha256 (sha256-x86_64) checksum algorithm
[  495.996501][T14816] BTRFS info (device loop3): using free-space-tree
[  496.994131][ T1151] hsr_slave_0: left promiscuous mode
[  497.084638][ T1151] hsr_slave_1: left promiscuous mode
[  497.126114][ T1151] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  497.196640][ T1151] batman_adv: batadv0: Removing interface: batadv_slave_0
[  497.303338][ T1151] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  497.315906][ T1151] batman_adv: batadv0: Removing interface: batadv_slave_1
[  497.488322][ T1151] veth1_macvtap: left promiscuous mode
[  497.493963][ T1151] veth0_macvtap: left promiscuous mode
[  497.566285][ T1151] veth1_vlan: left promiscuous mode
[  497.595914][ T1151] veth0_vlan: left promiscuous mode
[  498.408653][T14917] =======================================================
[  498.408653][T14917] WARNING: The mand mount option has been deprecated and
[  498.408653][T14917]          and is ignored by this kernel. Remove the mand
[  498.408653][T14917]          option from the mount to silence this warning.
[  498.408653][T14917] =======================================================
[  498.588001][T14918] BTRFS warning (device loop4 state M): remount supports changing free space tree only from RO to RW
[  498.649733][   T36] BTRFS error (device loop4 state M): trying to do action 2 to bytenr 1052672 num_bytes 4096 but there is no existing entry!
[  498.656265][T14917] BTRFS warning (device loop1 state M): remount supports changing free space tree only from RO to RW
[  498.663546][   T36] BTRFS error (device loop4 state M):   Ref action 2, root 3, ref_root 3, parent 0, owner 0, offset 0, num_refs 18446744073709551615
[  498.688320][   T36]    btrfs_force_cow_block+0xf77/0x1e10
[  498.694129][   T36]    btrfs_cow_block+0x40a/0x830
[  498.699211][   T36]    btrfs_search_slot+0xcd7/0x2d90
[  498.704478][   T36]    btrfs_update_device+0x149/0x4c0
[  498.705832][T14918] BTRFS info (device loop4 state M): setting nodatasum
[  498.710269][   T36]    btrfs_chunk_alloc_add_chunk_item+0x2ab/0x1070
[  498.723743][   T36]    btrfs_chunk_alloc+0x7e2/0x1150
[  498.730233][   T36]    flush_space+0x30b/0xcd0
[  498.735909][   T36]    do_async_reclaim_metadata_space+0x144/0x390
[  498.742394][   T36]    btrfs_async_reclaim_metadata_space+0x89/0xe0
[  498.748926][   T36]    process_scheduled_works+0xade/0x17b0
[  498.754702][   T36]    worker_thread+0x8a0/0xda0
[  498.759598][   T36]    kthread+0x711/0x8a0
[  498.763898][   T36]    ret_from_fork+0x3fc/0x770
[  498.768807][   T36]    ret_from_fork_asm+0x1a/0x30
[  498.778579][T14918] BTRFS info (device loop4 state M): setting nodatasum
[  498.806039][T14917] BTRFS info (device loop1 state M): setting nodatasum
[  498.836587][T14918] BTRFS info (device loop4 state M): turning off barriers
[  498.854623][T14917] BTRFS info (device loop1 state M): setting nodatasum
[  498.882213][T14918] BTRFS info (device loop4 state M): turning on flush-on-commit
[  498.887277][T14917] BTRFS info (device loop1 state M): turning off barriers
[  498.905721][T14917] BTRFS info (device loop1 state M): turning on flush-on-commit
[  498.939343][T14918] BTRFS info (device loop4 state M): force clearing of disk cache
[  498.942498][T14917] BTRFS info (device loop1 state M): force clearing of disk cache
[  498.957573][T14917] BTRFS info (device loop1 state M): doing ref verification
[  498.967933][T14917] BTRFS info (device loop1 state M): max_inline set to 26856
[  498.978926][T14920] BTRFS warning (device loop2 state M): remount supports changing free space tree only from RO to RW
[  498.983622][T14919] BTRFS error (device loop2 state M): trying to do action 2 to bytenr 1052672 num_bytes 4096 but there is no existing entry!
[  499.003185][T14919] BTRFS error (device loop2 state M):   Ref action 2, root 3, ref_root 3, parent 0, owner 0, offset 0, num_refs 18446744073709551615
[  499.016869][T14919]    btrfs_force_cow_block+0xf77/0x1e10
[  499.022488][T14919]    btrfs_cow_block+0x40a/0x830
[  499.027443][T14919]    btrfs_search_slot+0xcd7/0x2d90
[  499.032796][T14919]    btrfs_update_device+0x149/0x4c0
[  499.038841][T14919]    btrfs_chunk_alloc_add_chunk_item+0x2ab/0x1070
[  499.045529][T14919]    btrfs_chunk_alloc+0x7e2/0x1150
[  499.051085][T14919]    flush_space+0x30b/0xcd0
[  499.055699][T14919]    do_async_reclaim_metadata_space+0x144/0x390
[  499.062159][T14919]    btrfs_async_reclaim_metadata_space+0x89/0xe0
[  499.068944][T14919]    process_scheduled_works+0xade/0x17b0
[  499.074709][T14919]    worker_thread+0x8a0/0xda0
[  499.079578][T14919]    kthread+0x711/0x8a0
[  499.084292][T14919]    ret_from_fork+0x3fc/0x770
[  499.089130][T14919]    ret_from_fork_asm+0x1a/0x30
[  499.096390][T14921] BTRFS warning (device loop3 state M): remount supports changing free space tree only from RO to RW
[  499.114628][T14918] BTRFS info (device loop4 state M): max_inline set to 26856
[  499.118032][T14920] BTRFS info (device loop2 state M): setting nodatasum
[  499.131321][   T36] BTRFS error (device loop3 state M): trying to do action 2 to bytenr 1052672 num_bytes 4096 but there is no existing entry!
[  499.138326][T14921] BTRFS info (device loop3 state M): setting nodatasum
[  499.146215][   T36] BTRFS error (device loop3 state M):   Ref action 2, root 3, ref_root 3, parent 0, owner 0, offset 0, num_refs 18446744073709551615
[  499.166812][   T36]    btrfs_force_cow_block+0xf77/0x1e10
[  499.172462][T14920] BTRFS info (device loop2 state M): setting nodatasum
[  499.172487][T14920] BTRFS info (device loop2 state M): turning off barriers
[  499.172504][T14920] BTRFS info (device loop2 state M): turning on flush-on-commit
[  499.172520][T14920] BTRFS info (device loop2 state M): force clearing of disk cache
[  499.172537][T14920] BTRFS info (device loop2 state M): doing ref verification
[  499.172554][T14920] BTRFS info (device loop2 state M): max_inline set to 26856
[  499.178945][T14921] BTRFS info (device loop3 state M): setting nodatasum
[  499.179892][   T36]    btrfs_cow_block+0x40a/0x830
[  499.203119][T14921] BTRFS info (device loop3 state M): turning off barriers
[  499.203145][T14921] BTRFS info (device loop3 state M): turning on flush-on-commit
[  499.203163][T14921] BTRFS info (device loop3 state M): force clearing of disk cache
[  499.203180][T14921] BTRFS info (device loop3 state M): doing ref verification
[  499.203199][T14921] BTRFS info (device loop3 state M): max_inline set to 26856
[  499.270083][   T36]    btrfs_search_slot+0xcd7/0x2d90
[  499.275350][   T36]    btrfs_update_device+0x149/0x4c0
[  499.280780][   T36]    btrfs_chunk_alloc_add_chunk_item+0x2ab/0x1070
[  499.287352][   T36]    btrfs_chunk_alloc+0x7e2/0x1150
[  499.292706][   T36]    flush_space+0x30b/0xcd0
[  499.297363][   T36]    do_async_reclaim_metadata_space+0x144/0x390
[  499.304015][   T36]    btrfs_async_reclaim_metadata_space+0x89/0xe0
[  499.310562][   T36]    process_scheduled_works+0xade/0x17b0
[  499.316357][   T36]    worker_thread+0x8a0/0xda0
[  499.321494][   T36]    kthread+0x711/0x8a0
[  499.325798][   T36]    ret_from_fork+0x3fc/0x770
[  499.330687][   T36]    ret_from_fork_asm+0x1a/0x30
[  499.345566][T14798] BTRFS info (device loop0): last unmount of filesystem 824226e5-0b0e-4abf-ba40-3038b81c4dda
[  499.367613][T14800] BTRFS info (device loop1): last unmount of filesystem c0ead524-1f1c-4ccc-9384-0f6d362fec31
[  499.385056][T14803] BTRFS info (device loop3): last unmount of filesystem 7d74d0ed-10b1-40b7-8588-b1ee98edaee7
[  499.432540][T14803] ------------[ cut here ]------------
[  499.438668][T14803] WARNING: CPU: 1 PID: 14803 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x262/0x270
[  499.450965][T14803] Modules linked in:
[  499.457322][T14803] CPU: 1 UID: 0 PID: 14803 Comm: syz-executor344 Not tainted 6.16.0-rc7-syzkaller #0 PREEMPT(full) 
[  499.468877][T14803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  499.472965][T14802] BTRFS info (device loop2): last unmount of filesystem 0e63b251-cd85-4e2d-a5e4-d14daab7a39c
[  499.479549][T14803] RIP: 0010:btrfs_release_global_block_rsv+0x262/0x270
[  499.496901][T14803] Code: 0f 0b 90 e9 0b ff ff ff e8 bb 2d dd fd 90 0f 0b 90 e9 35 ff ff ff e8 ad 2d dd fd 90 0f 0b 90 e9 66 ff ff ff e8 9f 2d dd fd 90 <0f> 0b 90 eb 88 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90
[  499.501760][T14804] BTRFS info (device loop4): last unmount of filesystem 01aae886-ab31-4d82-8983-4f094ce134ad
[  499.517475][T14803] RSP: 0018:ffffc90010187ad0 EFLAGS: 00010293
[  499.535059][T14803] RAX: ffffffff83e2f811 RBX: ffffffffffff0000 RCX: ffff88802ccdbc00
[  499.544047][T14803] RDX: 0000000000000000 RSI: ffffffffffff0000 RDI: 0000000000000000
[  499.552963][T14803] RBP: ffff88805e8e8188 R08: ffff8880747fd823 R09: 1ffff1100e8ffb04
[  499.562621][T14803] R10: dffffc0000000000 R11: ffffed100e8ffb05 R12: ffff88805e8e8180
[  499.571829][T14803] R13: ffff8880747fab18 R14: 0000000000000000 R15: dffffc0000000000
[  499.580103][T14803] FS:  0000555571b253c0(0000) GS:ffff888125d57000(0000) knlGS:0000000000000000
[  499.585608][T14802] ------------[ cut here ]------------
[  499.589143][T14803] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  499.589165][T14803] CR2: 00007f5498319000 CR3: 00000000754ba000 CR4: 00000000003526f0
[  499.594636][T14802] WARNING: CPU: 0 PID: 14802 at fs/btrfs/block-rsv.c:466 btrfs_release_global_block_rsv+0x262/0x270
[  499.601300][T14803] Call Trace:
[  499.601326][T14803]  <TASK>
[  499.601345][T14803]  btrfs_free_block_groups+0xc2c/0xf40
[  499.601415][T14803]  close_ctree+0x7f0/0xd60
[  499.601451][T14803]  ? do_raw_spin_unlock+0x122/0x240
[  499.601507][T14803]  ? __pfx_close_ctree+0x10/0x10
[  499.601534][T14803]  ? hook_sb_delete+0x1a8/0xbd0
[  499.609644][T14802] Modules linked in:
[  499.609680][T14802] CPU: 0 UID: 0 PID: 14802 Comm: syz-executor344 Not tainted 6.16.0-rc7-syzkaller #0 PREEMPT(full) 
[  499.620575][T14803]  ? __pfx_hook_sb_delete+0x10/0x10
[  499.623764][T14802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  499.626730][T14803]  ? __pfx_evict_inodes+0x10/0x10
[  499.632271][T14802] RIP: 0010:btrfs_release_global_block_rsv+0x262/0x270
[  499.636640][T14803]  ? btrfs_sync_fs+0x1b2/0x6a0
[  499.642107][T14802] Code: 0f 0b 90 e9 0b ff ff ff e8 bb 2d dd fd 90 0f 0b 90 e9 35 ff ff ff e8 ad 2d dd fd 90 0f 0b 90 e9 66 ff ff ff e8 9f 2d dd fd 90 <0f> 0b 90 eb 88 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90
[  499.646854][T14803]  ? __pfx_btrfs_put_super+0x10/0x10
[  499.652231][T14802] RSP: 0018:ffffc90010177ad0 EFLAGS: 00010293
[  499.652258][T14802] RAX: ffffffff83e2f811 RBX: ffffffffffff0000 RCX: ffff88802ed91e00
[  499.652277][T14802] RDX: 0000000000000000 RSI: ffffffffffff0000 RDI: 0000000000000000
[  499.652292][T14802] RBP: ffff88807eaec188 R08: ffff888079545823 R09: 1ffff1100f2a8b04
[  499.652310][T14802] R10: dffffc0000000000 R11: ffffed100f2a8b05 R12: ffff88807eaec180
[  499.652328][T14802] R13: ffff888079547b18 R14: 0000000000000000 R15: dffffc0000000000
[  499.652345][T14802] FS:  0000555571b253c0(0000) GS:ffff888125c57000(0000) knlGS:0000000000000000
[  499.652365][T14802] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  499.652381][T14802] CR2: 00007ffdcb8f7ff8 CR3: 0000000032382000 CR4: 00000000003526f0
[  499.652402][T14802] Call Trace:
[  499.652411][T14802]  <TASK>
[  499.652424][T14802]  btrfs_free_block_groups+0xc2c/0xf40
[  499.652470][T14802]  close_ctree+0x7f0/0xd60
[  499.652500][T14802]  ? do_raw_spin_unlock+0x122/0x240
[  499.652539][T14802]  ? __pfx_close_ctree+0x10/0x10
[  499.652567][T14802]  ? hook_sb_delete+0x1a8/0xbd0
[  499.652606][T14802]  ? __pfx_hook_sb_delete+0x10/0x10
[  499.652642][T14802]  ? __pfx_evict_inodes+0x10/0x10
[  499.652668][T14802]  ? btrfs_sync_fs+0x1b2/0x6a0
[  499.652697][T14802]  ? __pfx_btrfs_put_super+0x10/0x10
[  499.652727][T14802]  generic_shutdown_super+0x135/0x2c0
[  499.652764][T14802]  kill_anon_super+0x3b/0x70
[  499.652798][T14802]  btrfs_kill_super+0x41/0x50
[  499.652827][T14802]  deactivate_locked_super+0xb9/0x130
[  499.652862][T14802]  cleanup_mnt+0x425/0x4c0
[  499.652893][T14802]  ? lockdep_hardirqs_on+0x9c/0x150
[  499.652921][T14802]  task_work_run+0x1d4/0x260
[  499.652958][T14802]  ? __pfx_task_work_run+0x10/0x10
[  499.652995][T14802]  ? __x64_sys_umount+0x122/0x160
[  499.653024][T14802]  ? exit_to_user_mode_loop+0x40/0x110
[  499.653050][T14802]  exit_to_user_mode_loop+0xec/0x110
[  499.653074][T14802]  do_syscall_64+0x2bd/0x3b0
[  499.656991][T14803]  generic_shutdown_super+0x135/0x2c0
[  499.668409][T14802]  ? lockdep_hardirqs_on+0x9c/0x150
[  499.668440][T14802]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  499.668464][T14802]  ? clear_bhb_loop+0x60/0xb0
[  499.668493][T14802]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  499.668515][T14802] RIP: 0033:0x7f54983861e7
[  499.668548][T14802] Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8
[  499.668569][T14802] RSP: 002b:00007ffdcb8f81c8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[  499.668596][T14802] RAX: 0000000000000000 RBX: 0000000000000048 RCX: 00007f54983861e7
[  499.668612][T14802] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdcb8f8280
[  499.668627][T14802] RBP: 00007ffdcb8f8280 R08: 0000000000000000 R09: 0000000000000000
[  499.668641][T14802] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffdcb8f9330
[  499.668658][T14802] R13: 0000555571b26700 R14: 431bde82d7b634db R15: 00007ffdcb8f92d4
[  499.668694][T14802]  </TASK>
[  499.668712][T14802] Kernel panic - not syncing: kernel: panic_on_warn set ...
[  499.668729][T14802] CPU: 0 UID: 0 PID: 14802 Comm: syz-executor344 Not tainted 6.16.0-rc7-syzkaller #0 PREEMPT(full) 
[  499.668754][T14802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  499.668768][T14802] Call Trace:
[  499.668777][T14802]  <TASK>
[  499.668786][T14802]  dump_stack_lvl+0x99/0x250
[  499.668813][T14802]  ? __asan_memcpy+0x40/0x70
[  499.668843][T14802]  ? __pfx_dump_stack_lvl+0x10/0x10
[  499.668871][T14802]  ? __pfx__printk+0x10/0x10
[  499.668921][T14802]  panic+0x2db/0x790
[  499.668955][T14802]  ? __pfx_panic+0x10/0x10
[  499.669016][T14802]  __warn+0x31b/0x4b0
[  499.669040][T14802]  ? btrfs_release_global_block_rsv+0x262/0x270
[  499.669072][T14802]  ? btrfs_release_global_block_rsv+0x262/0x270
[  499.669099][T14802]  report_bug+0x2be/0x4f0
[  499.669122][T14802]  ? btrfs_release_global_block_rsv+0x262/0x270
[  499.669150][T14802]  ? btrfs_release_global_block_rsv+0x262/0x270
[  499.669177][T14802]  ? btrfs_release_global_block_rsv+0x264/0x270
[  499.669204][T14802]  handle_bug+0x84/0x160
[  499.669236][T14802]  exc_invalid_op+0x1a/0x50
[  499.669266][T14802]  asm_exc_invalid_op+0x1a/0x20
[  499.669289][T14802] RIP: 0010:btrfs_release_global_block_rsv+0x262/0x270
[  499.669317][T14802] Code: 0f 0b 90 e9 0b ff ff ff e8 bb 2d dd fd 90 0f 0b 90 e9 35 ff ff ff e8 ad 2d dd fd 90 0f 0b 90 e9 66 ff ff ff e8 9f 2d dd fd 90 <0f> 0b 90 eb 88 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90
[  499.669338][T14802] RSP: 0018:ffffc90010177ad0 EFLAGS: 00010293
[  499.669362][T14802] RAX: ffffffff83e2f811 RBX: ffffffffffff0000 RCX: ffff88802ed91e00
[  499.669381][T14802] RDX: 0000000000000000 RSI: ffffffffffff0000 RDI: 0000000000000000
[  499.669399][T14802] RBP: ffff88807eaec188 R08: ffff888079545823 R09: 1ffff1100f2a8b04
[  499.669418][T14802] R10: dffffc0000000000 R11: ffffed100f2a8b05 R12: ffff88807eaec180
[  499.669437][T14802] R13: ffff888079547b18 R14: 0000000000000000 R15: dffffc0000000000
[  499.669465][T14802]  ? btrfs_release_global_block_rsv+0x261/0x270
[  499.669502][T14802]  btrfs_free_block_groups+0xc2c/0xf40
[  499.669549][T14802]  close_ctree+0x7f0/0xd60
[  499.669583][T14802]  ? do_raw_spin_unlock+0x122/0x240
[  499.669625][T14802]  ? __pfx_close_ctree+0x10/0x10
[  499.669657][T14802]  ? hook_sb_delete+0x1a8/0xbd0
[  499.669698][T14802]  ? __pfx_hook_sb_delete+0x10/0x10
[  499.669739][T14802]  ? __pfx_evict_inodes+0x10/0x10
[  499.669767][T14802]  ? btrfs_sync_fs+0x1b2/0x6a0
[  499.669798][T14802]  ? __pfx_btrfs_put_super+0x10/0x10
[  499.669832][T14802]  generic_shutdown_super+0x135/0x2c0
[  499.669871][T14802]  kill_anon_super+0x3b/0x70
[  499.669908][T14802]  btrfs_kill_super+0x41/0x50
[  499.669941][T14802]  deactivate_locked_super+0xb9/0x130
[  499.669978][T14802]  cleanup_mnt+0x425/0x4c0
[  499.670022][T14802]  ? lockdep_hardirqs_on+0x9c/0x150
[  499.670051][T14802]  task_work_run+0x1d4/0x260
[  499.670091][T14802]  ? __pfx_task_work_run+0x10/0x10
[  499.670125][T14802]  ? __x64_sys_umount+0x122/0x160
[  499.670154][T14802]  ? exit_to_user_mode_loop+0x40/0x110
[  499.670184][T14802]  exit_to_user_mode_loop+0xec/0x110
[  499.670208][T14802]  do_syscall_64+0x2bd/0x3b0
[  499.670235][T14802]  ? lockdep_hardirqs_on+0x9c/0x150
[  499.670259][T14802]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  499.670285][T14802]  ? clear_bhb_loop+0x60/0xb0
[  499.670317][T14802]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  499.670341][T14802] RIP: 0033:0x7f54983861e7
[  499.670363][T14802] Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8
[  499.670386][T14802] RSP: 002b:00007ffdcb8f81c8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[  499.670411][T14802] RAX: 0000000000000000 RBX: 0000000000000048 RCX: 00007f54983861e7
[  499.670428][T14802] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdcb8f8280
[  499.670445][T14802] RBP: 00007ffdcb8f8280 R08: 0000000000000000 R09: 0000000000000000
[  499.670459][T14802] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffdcb8f9330
[  499.670477][T14802] R13: 0000555571b26700 R14: 431bde82d7b634db R15: 00007ffdcb8f92d4
[  499.670515][T14802]  </TASK>
[  499.674377][T14802] Kernel Offset: disabled