faux_driver regulatory: Direct firmware load for regulatory.db failed with error -2 netlink: 20 bytes leftover after parsing attributes in process `syz-executor.1'. ===================================== WARNING: bad unlock balance detected! 6.19.0-rc5-next-20260116 #1 Not tainted ------------------------------------- syz-executor.0/3973 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.0/3973: #0: ffff88800fc6a3f8 (sb_writers#3){.+.+}-{0:0}, at: filename_create+0xf7/0x400 #1: ffff88801f16d9a8 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: filename_create+0x1b1/0x400 #2: ffff88800fc6e950 (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: 3973 Comm: syz-executor.0 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: 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: 0033:0x7f3b34f9b427 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:00007ffebfc8e928 EFLAGS: 00000206 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3b34f9b427 RDX: 00007ffebfc8ea03 RSI: 00007f3b34ff6022 RDI: 00007ffebfc8e9f0 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffebfc8e7c0 R10: 00007ffebfc8e677 R11: 0000000000000206 R12: 0000000000000001 R13: 0000000000000001 R14: 0000000000000001 R15: 00007ffebfc8e9f0 ------------[ cut here ]------------ WARNING: kernel/rcu/tree_plugin.h:443 at __rcu_read_unlock+0x25f/0x5c0, CPU#0: syz-executor.0/3973 Modules linked in: CPU: 0 UID: 0 PID: 3973 Comm: syz-executor.0 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:ffff88806ce08dc8 EFLAGS: 00010286 RAX: 00000000ffffffff RBX: ffff88801bbb8000 RCX: ffffffff84a75ee1 RDX: 0000000000000000 RSI: ffffffff84a75efc RDI: ffff88801bbb83fc RBP: ffff88801bbb8000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88801bbb8000 R13: 0000000000019000 R14: ffff88801b6e8e60 R15: dffffc0000000000 FS: 000055557682c400(0000) GS:ffff8880e5342000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3b3501b540 CR3: 0000000049924000 CR4: 0000000000350ef0 Call Trace: mac80211_hwsim_beacon+0x105/0x1b0 __hrtimer_run_queues+0x1ee/0xbb0 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x7d0 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__sanitizer_cov_trace_pc+0x4b/0x80 Code: 74 1d a9 00 00 0f 00 75 16 a9 00 00 f0 00 74 05 e9 2a 3f 5c 03 8b 82 dc 14 00 00 85 c0 75 05 e9 1b 3f 5c 03 8b 82 b8 14 00 00 <83> f8 02 75 f0 48 8b 8a c0 14 00 00 8b 92 bc 14 00 00 48 8b 01 48 RSP: 0018:ffff88804b057868 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 000000000000fffe RCX: ffffffff810016ca RDX: ffff88801bbb8000 RSI: ffffffff84c554d4 RDI: ffffffff815d742f RBP: ffff88804b0578f8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff815d742f R13: ffff88804b0578f8 R14: 0000000000000002 R15: 000000000000000b report_bug+0x14/0x120 handle_bug+0x2e8/0x4f0 exc_invalid_op+0x35/0x80 asm_exc_invalid_op+0x1a/0x20 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:ffff88804b0579a0 EFLAGS: 00010286 RAX: 00000000ffffffff RBX: ffff88801bbb8000 RCX: ffffffff815660f7 RDX: 0000000000000000 RSI: ffffffff81566100 RDI: ffff88801bbb83fc RBP: ffff88801bbb8000 R08: 0000000000000000 R09: fffffbfff0ba7040 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801bbb8000 R13: 0000000000000001 R14: ffffffff85c0e280 R15: ffff88801f162938 __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: 0033:0x7f3b34f9b427 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:00007ffebfc8e928 EFLAGS: 00000206 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3b34f9b427 RDX: 00007ffebfc8ea03 RSI: 00007f3b34ff6022 RDI: 00007ffebfc8e9f0 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffebfc8e7c0 R10: 00007ffebfc8e677 R11: 0000000000000206 R12: 0000000000000001 R13: 0000000000000001 R14: 0000000000000001 R15: 00007ffebfc8e9f0 irq event stamp: 573 hardirqs last enabled at (573): [] _raw_spin_unlock_irqrestore+0x2c/0x50 hardirqs last disabled at (572): [] _raw_spin_lock_irqsave+0x53/0x60 softirqs last enabled at (568): [] kernel_fpu_end+0x59/0x70 softirqs last disabled at (566): [] kernel_fpu_begin_mask+0x1bb/0x300 ---[ end trace 0000000000000000 ]--- random: crng reseeded on system resumption Unrecognized hibernate image header format! PM: hibernation: Image mismatch: architecture specific data loop7: detected capacity change from 0 to 1 faux_driver regulatory: Direct firmware load for regulatory.db failed with error -2 random: crng reseeded on system resumption syz-executor.1 (3969) used greatest stack depth: 24056 bytes left syz-executor.6 (3970) used greatest stack depth: 23232 bytes left netlink: 20 bytes leftover after parsing attributes in process `syz-executor.1'. ieee80211 phy19: Selected rate control algorithm 'minstrel_ht' netlink: 20 bytes leftover after parsing attributes in process `syz-executor.6'. ieee80211 phy20: Selected rate control algorithm 'minstrel_ht' program syz-executor.4 is using a deprecated SCSI ioctl, please convert it to SG_IO ---------------- Code disassembly (best guess): 0: 74 1d je 0x1f 2: a9 00 00 0f 00 test $0xf0000,%eax 7: 75 16 jne 0x1f 9: a9 00 00 f0 00 test $0xf00000,%eax e: 74 05 je 0x15 10: e9 2a 3f 5c 03 jmpq 0x35c3f3f 15: 8b 82 dc 14 00 00 mov 0x14dc(%rdx),%eax 1b: 85 c0 test %eax,%eax 1d: 75 05 jne 0x24 1f: e9 1b 3f 5c 03 jmpq 0x35c3f3f 24: 8b 82 b8 14 00 00 mov 0x14b8(%rdx),%eax * 2a: 83 f8 02 cmp $0x2,%eax <-- trapping instruction 2d: 75 f0 jne 0x1f 2f: 48 8b 8a c0 14 00 00 mov 0x14c0(%rdx),%rcx 36: 8b 92 bc 14 00 00 mov 0x14bc(%rdx),%edx 3c: 48 8b 01 mov (%rcx),%rax 3f: 48 rex.W