===================================== WARNING: bad unlock balance detected! 6.19.0-rc5-next-20260114 #1 Not tainted ------------------------------------- syz-executor.3/4470 is trying to release lock (rcu_read_lock) at: [] __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.3/4470: #0: ffff88800f67e3f8 (sb_writers#3){.+.+}-{0:0}, at: filename_create+0xf7/0x400 #1: ffff888047d10d68 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: filename_create+0x1b1/0x400 #2: ffff88800b4ea950 (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: 4470 Comm: syz-executor.3 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: 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: 0033:0x7f85df943427 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:00007ffd0b75f088 EFLAGS: 00000206 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f85df943427 RDX: 00007ffd0b75f167 RSI: 00007f85df99e019 RDI: 00007ffd0b75f150 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffd0b75ef20 R10: 00007ffd0b75edd7 R11: 0000000000000206 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffd0b75f150 ------------[ cut here ]------------ WARNING: kernel/rcu/tree_plugin.h:443 at __rcu_read_unlock+0x25f/0x5c0, CPU#1: syz-executor.3/4470 Modules linked in: CPU: 1 UID: 0 PID: 4470 Comm: syz-executor.3 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:ffff8880495679a0 EFLAGS: 00010286 RAX: 00000000ffffffff RBX: ffff8880225d0000 RCX: ffffffff81565a27 RDX: 0000000000000000 RSI: ffffffff81565a30 RDI: ffff8880225d03fc RBP: ffff8880225d0000 R08: 0000000000000000 R09: fffffbfff0ba6ffc R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880225d0000 R13: 0000000000000001 R14: ffffffff85c10a30 R15: ffff88801cbcc5d0 FS: 0000555557102400(0000) GS:ffff8880e5443000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f85df9c3543 CR3: 0000000016001000 CR4: 0000000000350ef0 Call Trace: __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: 0033:0x7f85df943427 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:00007ffd0b75f088 EFLAGS: 00000206 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f85df943427 RDX: 00007ffd0b75f167 RSI: 00007f85df99e019 RDI: 00007ffd0b75f150 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffd0b75ef20 R10: 00007ffd0b75edd7 R11: 0000000000000206 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffd0b75f150 irq event stamp: 169 hardirqs last enabled at (169): [] _raw_spin_unlock_irqrestore+0x2c/0x50 hardirqs last disabled at (168): [] _raw_spin_lock_irqsave+0x53/0x60 softirqs last enabled at (164): [] kernel_fpu_end+0x59/0x70 softirqs last disabled at (162): [] kernel_fpu_begin_mask+0x1bb/0x300 ---[ end trace 0000000000000000 ]--- Bluetooth: hci0: unexpected event 0x13 length: 431 > 260 Bluetooth: hci0: unexpected event 0x13 length: 431 > 260 Bluetooth: hci0: unexpected event 0x13 length: 431 > 260 Bluetooth: hci0: unexpected event 0x13 length: 431 > 260 Bluetooth: hci0: unexpected event 0x13 length: 431 > 260 audit: type=1326 audit(1768382258.447:10): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4644 comm="syz-executor.7" exe="/syz-executor.7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f681a1adb19 code=0x0 loop6: detected capacity change from 0 to 5 EXT4-fs (loop6): filesystem too large to mount safely on this system audit: type=1400 audit(1768382258.568:11): avc: denied { write } for pid=4655 comm="syz-executor.5" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 program syz-executor.3 is using a deprecated SCSI ioctl, please convert it to SG_IO audit: type=1326 audit(1768382259.278:12): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4644 comm="syz-executor.7" exe="/syz-executor.7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f681a1adb19 code=0x0 loop6: detected capacity change from 0 to 5 program syz-executor.3 is using a deprecated SCSI ioctl, please convert it to SG_IO audit: type=1326 audit(1768382259.394:13): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4683 comm="syz-executor.7" exe="/syz-executor.7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f681a1adb19 code=0x0 EXT4-fs (loop6): filesystem too large to mount safely on this system program syz-executor.3 is using a deprecated SCSI ioctl, please convert it to SG_IO program syz-executor.3 is using a deprecated SCSI ioctl, please convert it to SG_IO loop6: detected capacity change from 0 to 5 audit: type=1326 audit(1768382260.324:14): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4699 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f372278db19 code=0x0 EXT4-fs (loop6): filesystem too large to mount safely on this system audit: type=1326 audit(1768382260.346:15): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4709 comm="syz-executor.7" exe="/syz-executor.7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f681a1adb19 code=0x0 audit: type=1326 audit(1768382261.251:16): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4736 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f372278db19 code=0x0 audit: type=1326 audit(1768382261.277:17): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4741 comm="syz-executor.7" exe="/syz-executor.7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f681a1adb19 code=0x0 audit: type=1400 audit(1768382261.434:18): avc: denied { block_suspend } for pid=4751 comm="syz-executor.0" capability=36 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 audit: type=1326 audit(1768382262.186:19): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4774 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f372278db19 code=0x0 loop7: detected capacity change from 0 to 128 random: crng reseeded on system resumption Unrecognized hibernate image header format! PM: hibernation: Image mismatch: architecture specific data UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list random: crng reseeded on system resumption Unrecognized hibernate image header format! PM: hibernation: Image mismatch: architecture specific data