loop3: detected capacity change from 0 to 2048
EXT4-fs: Ignoring removed nobh option
=====================================
WARNING: bad unlock balance detected!
EXT4-fs: Ignoring removed bh option
6.19.0-rc5-next-20260116 #1 Not tainted
-------------------------------------
syz-executor.4/4988 is trying to release lock (rcu_read_lock) at:
[<ffffffff81c1dee5>] __wait_on_freeing_inode+0x105/0x350
but there are no more locks to release!

other info that might help us debug this:
4 locks held by syz-executor.4/4988:
 #0: ffff88800fb183f8 (sb_writers#3){.+.+}-{0:0}, at: filename_create+0xf7/0x400
 #1: ffff88801b415020 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: filename_create+0x1b1/0x400
 #2: ffff88800fb1c950 (jbd2_handle){++++}-{0:0}
loop6: detected capacity change from 0 to 640
, at: start_this_handle+0xe32/0x12d0
 #3: ffffffff85c16898 (inode_hash_lock){+.+.}-{3:3}, at: insert_inode_locked+0xf9/0x890

stack backtrace:
CPU: 1 UID: 0 PID: 4988 Comm: syz-executor.4 Not tainted 6.19.0-rc5-next-20260116 #1 PREEMPT(lazy) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xca/0x120
 print_unlock_imbalance_bug+0x118/0x130
 lock_release+0x1ee/0x270
 __wait_on_freeing_inode+0x10a/0x350
 insert_inode_locked+0x25f/0x890
 __ext4_new_inode+0x223d/0x4cd0
 ext4_symlink+0x623/0xb40
 vfs_symlink+0x44b/0x840
 filename_symlinkat+0x158/0x440
 __x64_sys_symlink+0x82/0x110
 do_syscall_64+0xbf/0x420
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1ac0518427
Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd306ddb08 EFLAGS: 00000202 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1ac0518427
RDX: 00007ffd306ddbe3 RSI: 00007f1ac057302f RDI: 00007ffd306ddbd0
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffd306dd9a0
R10: 00007ffd306dd857 R11: 0000000000000202 R12: 0000000000000001
R13: 0000000000000001 R14: 0000000000000001 R15: 00007ffd306ddbd0
 </TASK>
------------[ cut here ]------------
WARNING: kernel/rcu/tree_plugin.h:443 at __rcu_read_unlock+0x25f/0x5c0, CPU#1: syz-executor.4/4988
Modules linked in:
CPU: 1 UID: 0 PID: 4988 Comm: syz-executor.4 Not tainted 6.19.0-rc5-next-20260116 #1 PREEMPT(lazy) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:__rcu_read_unlock+0x25f/0x5c0
Code: f2 02 00 00 c7 43 58 01 00 00 00 bf 09 00 00 00 e8 d6 b7 de ff 4d 85 f6 0f 84 73 fe ff ff e8 38 8a 20 00 fb e9 68 fe ff ff 90 <0f> 0b 90 5b 5d 41 5c 41 5d 41 5e e9 81 4d 74 03 e8 2c 5d 56 00 e9
RSP: 0018:ffff88804b1b79a0 EFLAGS: 00010286
RAX: 00000000ffffffff RBX: ffff888019571b80 RCX: ffffffff815660f7
RDX: 0000000000000000 RSI: ffffffff81566100 RDI: ffff888019571f7c
RBP: ffff888019571b80 R08: 0000000000000000 R09: fffffbfff0ba7040
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888019571b80
R13: 0000000000000001 R14: ffffffff85c103a0 R15: ffff8880206e6bf0
FS:  0000555592987400(0000) GS:ffff8880e5442000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1ac0598544 CR3: 000000004902c000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __wait_on_freeing_inode+0x10f/0x350
 insert_inode_locked+0x25f/0x890
 __ext4_new_inode+0x223d/0x4cd0
 ext4_symlink+0x623/0xb40
 vfs_symlink+0x44b/0x840
 filename_symlinkat+0x158/0x440
 __x64_sys_symlink+0x82/0x110
 do_syscall_64+0xbf/0x420
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1ac0518427
Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd306ddb08 EFLAGS: 00000202 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1ac0518427
RDX: 00007ffd306ddbe3 RSI: 00007f1ac057302f RDI: 00007ffd306ddbd0
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffd306dd9a0
R10: 00007ffd306dd857 R11: 0000000000000202 R12: 0000000000000001
R13: 0000000000000001 R14: 0000000000000001 R15: 00007ffd306ddbd0
 </TASK>
irq event stamp: 379
hardirqs last  enabled at (379): [<ffffffff84d19a7c>] _raw_spin_unlock_irqrestore+0x2c/0x50
hardirqs last disabled at (378): [<ffffffff84d197d3>] _raw_spin_lock_irqsave+0x53/0x60
softirqs last  enabled at (374): [<ffffffff812cda79>] kernel_fpu_end+0x59/0x70
softirqs last disabled at (372): [<ffffffff812ce94b>] kernel_fpu_begin_mask+0x1bb/0x300
---[ end trace 0000000000000000 ]---
ext4: Unknown parameter 'ªQdÜЂ;ìCååh›áRs?RÞ”Ì}@V<
€Ž°o’n[üGo¨Ì9eºìK§î<üO×Y6´¿ˆ9{ºÖ®`ýc‡m;—ÿ"‘‘*´:¤4ìz$×_’Š×é�ÜõÄhÉ¢à¬'
EXT4-fs: Journaled quota options ignored when QUOTA feature is enabled
EXT4-fs (loop3): ext4_check_descriptors: Checksum for group 0 failed (46274!=0)
EXT4-fs (loop3): group descriptors corrupted!
Process accounting resumed
Process accounting resumed
loop0: detected capacity change from 0 to 6
loop3: detected capacity change from 0 to 2048
loop4: detected capacity change from 0 to 2048
EXT4-fs: Ignoring removed nobh option
EXT4-fs: Ignoring removed bh option
EXT4-fs: Ignoring removed nobh option
EXT4-fs: Journaled quota options ignored when QUOTA feature is enabled
EXT4-fs: Ignoring removed bh option
EXT4-fs (loop3): ext4_check_descriptors: Checksum for group 0 failed (46274!=0)
EXT4-fs (loop3): group descriptors corrupted!
EXT4-fs: Journaled quota options ignored when QUOTA feature is enabled
EXT4-fs (loop4): ext4_check_descriptors: Checksum for group 0 failed (46274!=0)
EXT4-fs (loop4): group descriptors corrupted!
EXT4-fs: Ignoring removed nobh option
EXT4-fs: Ignoring removed bh option
EXT4-fs: Journaled quota options ignored when QUOTA feature is enabled
EXT4-fs (loop0): bad geometry: block count 512 exceeds size of device (1 blocks)
loop4: detected capacity change from 0 to 2048
loop3: detected capacity change from 0 to 2048
loop0: detected capacity change from 0 to 5
EXT4-fs: Ignoring removed nobh option
EXT4-fs: Ignoring removed nobh option
EXT4-fs: Ignoring removed bh option
EXT4-fs: Ignoring removed nobh option
EXT4-fs: Ignoring removed bh option
EXT4-fs: Journaled quota options ignored when QUOTA feature is enabled
EXT4-fs: Ignoring removed bh option
EXT4-fs: Journaled quota options ignored when QUOTA feature is enabled
EXT4-fs (loop0): bad geometry: block count 512 exceeds size of device (1 blocks)
EXT4-fs (loop3): ext4_check_descriptors: Checksum for group 0 failed (46274!=0)
EXT4-fs: Journaled quota options ignored when QUOTA feature is enabled
EXT4-fs (loop3): group descriptors corrupted!
EXT4-fs (loop4): ext4_check_descriptors: Checksum for group 0 failed (46274!=0)
EXT4-fs (loop4): group descriptors corrupted!