loop3: detected capacity change from 0 to 592 loop3: detected capacity change from 0 to 592 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. ===================================== WARNING: bad unlock balance detected! 6.19.0-rc5-next-20260114 #1 Not tainted ------------------------------------- syz-executor.6/3936 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.6/3936: #0: ffff88800f69e3f8 (sb_writers#3){.+.+}-{0:0}, at: filename_create+0xf7/0x400 #1: ffff88801b1bf640 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: filename_create+0x1b1/0x400 #2: ffff88800f7f2950 (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: 0 UID: 0 PID: 3936 Comm: syz-executor.6 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: 0033:0x7f1214714427 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:00007ffcd9d8cdc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1214714427 RDX: 00007ffcd9d8cea7 RSI: 00007f121476f019 RDI: 00007ffcd9d8ce90 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffcd9d8cc60 R10: 00007ffcd9d8cb17 R11: 0000000000000202 R12: 0000000000000001 R13: 0000000000000001 R14: 0000000000000001 R15: 00007ffcd9d8ce90 ------------[ cut here ]------------ WARNING: kernel/rcu/tree_plugin.h:443 at __rcu_read_unlock+0x25f/0x5c0, CPU#0: syz-executor.6/3936 Modules linked in: CPU: 0 UID: 0 PID: 3936 Comm: syz-executor.6 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:ffff88801a8779a0 EFLAGS: 00010286 RAX: 00000000ffffffff RBX: ffff88801a7d1b80 RCX: ffffffff81565a27 RDX: 0000000000000000 RSI: ffffffff81565a30 RDI: ffff88801a7d1f7c RBP: ffff88801a7d1b80 R08: 0000000000000000 R09: fffffbfff0ba6ffc R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801a7d1b80 R13: 0000000000000001 R14: ffffffff85c0d290 R15: ffff8880183d8ca0 FS: 0000555570de6400(0000) GS:ffff8880e5343000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1214794546 CR3: 0000000020be0000 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: 0033:0x7f1214714427 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:00007ffcd9d8cdc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1214714427 RDX: 00007ffcd9d8cea7 RSI: 00007f121476f019 RDI: 00007ffcd9d8ce90 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffcd9d8cc60 R10: 00007ffcd9d8cb17 R11: 0000000000000202 R12: 0000000000000001 R13: 0000000000000001 R14: 0000000000000001 R15: 00007ffcd9d8ce90 irq event stamp: 187 hardirqs last enabled at (187): [] irqentry_exit+0x17b/0x650 hardirqs last disabled at (186): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (180): [] kernel_fpu_end+0x59/0x70 softirqs last disabled at (178): [] kernel_fpu_begin_mask+0x1bb/0x300 ---[ end trace 0000000000000000 ]--- loop4: detected capacity change from 0 to 608 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. loop1: detected capacity change from 0 to 32638 EXT4-fs (loop1): VFS: Can't find ext4 filesystem netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. ieee80211 phy18: Selected rate control algorithm 'minstrel_ht' loop3: detected capacity change from 0 to 16383 netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. loop3: detected capacity change from 0 to 16383 ieee80211 phy19: Selected rate control algorithm 'minstrel_ht' audit: type=1400 audit(1768431189.220:11): avc: denied { relabelto } for pid=3988 comm="syz-executor.5" name="cgroup.procs" dev="cgroup2" ino=1886 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:clock_device_t:s0 tclass=file permissive=1 audit: type=1400 audit(1768431189.221:12): avc: denied { associate } for pid=3988 comm="syz-executor.5" name="cgroup.procs" dev="cgroup2" ino=1886 scontext=system_u:object_r:clock_device_t:s0 tcontext=system_u:object_r:cgroup_t:s0 tclass=filesystem permissive=1 audit: type=1400 audit(1768431189.382:13): avc: denied { tracepoint } for pid=4003 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. audit: type=1400 audit(1768431189.388:14): avc: denied { relabelfrom } for pid=3988 comm="syz-executor.5" name="cgroup.procs" dev="cgroup2" ino=1886 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:clock_device_t:s0 tclass=file permissive=1 ieee80211 phy20: Selected rate control algorithm 'minstrel_ht' audit: type=1400 audit(1768431189.528:15): avc: denied { setattr } for pid=4018 comm="syz-executor.5" name="schedstat" dev="proc" ino=5748 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=file permissive=1