=====================================
WARNING: bad unlock balance detected!
6.19.0-rc5-next-20260114 #1 Not tainted
-------------------------------------
syz-executor.1/4625 is trying to release lock (rcu_read_lock) at:
[<ffffffff81c1cd75>] __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.1/4625:
 #0: ffff88800f8a23f8 (sb_writers#3){.+.+}-{0:0}, at: filename_create+0xf7/0x400
 #1: ffff888049e2ecb8 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: filename_create+0x1b1/0x400
 #2: ffff88800f8a6950 (jbd2_handle){++++}-{0:0}, 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: 4625 Comm: syz-executor.1 Not tainted 6.19.0-rc5-next-20260114 #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
 do_symlinkat+0x153/0x440
 __x64_sys_symlink+0x79/0xa0
 do_syscall_64+0xbf/0x420
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f183784a427
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:00007ffe40c771e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f183784a427
RDX: 00007ffe40c772c7 RSI: 00007f18378a5019 RDI: 00007ffe40c772b0
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe40c77080
R10: 00007ffe40c76f37 R11: 0000000000000206 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffe40c772b0
 </TASK>
------------[ cut here ]------------
WARNING: kernel/rcu/tree_plugin.h:443 at __rcu_read_unlock+0x25f/0x5c0, CPU#1: syz-executor.1/4625
Modules linked in:
CPU: 1 UID: 0 PID: 4625 Comm: syz-executor.1 Not tainted 6.19.0-rc5-next-20260114 #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 16 c0 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 24 74 03 e8 bc 5c 56 00 e9
RSP: 0018:ffff888017a1f9a0 EFLAGS: 00010286
RAX: 00000000ffffffff RBX: ffff88800f6cb700 RCX: ffffffff81565a27
RDX: 0000000000000000 RSI: ffffffff81565a30 RDI: ffff88800f6cbafc
RBP: ffff88800f6cb700 R08: 0000000000000000 R09: fffffbfff0ba6ffc
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800f6cb700
R13: 0000000000000001 R14: ffffffff85c10df0 R15: ffff888049e27578
FS:  000055556b14e400(0000) GS:ffff8880e5443000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f18378ca541 CR3: 0000000047eef000 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
 do_symlinkat+0x153/0x440
 __x64_sys_symlink+0x79/0xa0
 do_syscall_64+0xbf/0x420
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f183784a427
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:00007ffe40c771e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f183784a427
RDX: 00007ffe40c772c7 RSI: 00007f18378a5019 RDI: 00007ffe40c772b0
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe40c77080
R10: 00007ffe40c76f37 R11: 0000000000000206 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffe40c772b0
 </TASK>
irq event stamp: 235
hardirqs last  enabled at (235): [<ffffffff84d16a9c>] _raw_spin_unlock_irqrestore+0x2c/0x50
hardirqs last disabled at (234): [<ffffffff84d167f3>] _raw_spin_lock_irqsave+0x53/0x60
softirqs last  enabled at (230): [<ffffffff812cdbb9>] kernel_fpu_end+0x59/0x70
softirqs last disabled at (228): [<ffffffff812cea8b>] kernel_fpu_begin_mask+0x1bb/0x300
---[ end trace 0000000000000000 ]---
kauditd_printk_skb: 11 callbacks suppressed
audit: type=1400 audit(1768380834.460:32): avc:  denied  { tracepoint } for  pid=4640 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
audit: type=1400 audit(1768380837.433:33): avc:  denied  { read } for  pid=4673 comm="syz-executor.4" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
faux_driver regulatory: Direct firmware load for regulatory.db failed with error -2
random: crng reseeded on system resumption
faux_driver regulatory: Direct firmware load for regulatory.db failed with error -2
random: crng reseeded on system resumption
syz-executor.1 (4723) used greatest stack depth: 22896 bytes left
Bluetooth: hci7: unexpected cc 0x2029 length: 0 < 1
Bluetooth: hci7: ACL packet for unknown connection handle 2745
Bluetooth: hci7: ISO packet for unknown connection handle 1106
Bluetooth: hci7: unexpected cc 0x2029 length: 0 < 1
9p: Could not find request transport: unixµ8íúæ{!¬ÖZæ;vb+Š¯bTT—&Z$côÆÙÏ„š'øÚÝíXÙY9"Bn
Bluetooth: hci7: ACL packet for unknown connection handle 2745
Bluetooth: hci7: ISO packet for unknown connection handle 1106
faux_driver regulatory: Direct firmware load for regulatory.db failed with error -2
random: crng reseeded on system resumption
Bluetooth: hci7: unexpected cc 0x2029 length: 0 < 1
Bluetooth: hci7: ACL packet for unknown connection handle 2745
Bluetooth: hci7: ISO packet for unknown connection handle 1106
9p: Could not find request transport: unixµ8íúæ{!¬ÖZæ;vb+Š¯bTT—&Z$côÆÙÏ„š'øÚÝíXÙY9"Bn