wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 ===================================== WARNING: bad unlock balance detected! 6.19.0-rc5-next-20260116 #1 Not tainted ------------------------------------- syz-executor.5/3896 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.5/3896: #0: ffff88800f6ea3f8 (sb_writers#3){.+.+}-{0:0}, at: path_openat+0x1764/0x2d60 #1: ffff88801b1796f0 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: path_openat+0xe32/0x2d60 #2: ffff88800f6ee950 (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: 3896 Comm: syz-executor.5 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_create+0x2e2/0x4e0 lookup_open.isra.0+0xc03/0x1030 path_openat+0xea4/0x2d60 do_file_open+0x209/0x460 do_sys_openat2+0xe7/0x210 __x64_sys_creat+0xcc/0x120 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7eebc0cb19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f7ee9140188 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f7eebd200e0 RCX: 00007f7eebc0cb19 RDX: 0000000000000000 RSI: 0000000000000094 RDI: 0000000020003c80 RBP: 00007f7eebc66f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffe82c454f R14: 00007f7ee9140300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: kernel/rcu/tree_plugin.h:443 at __rcu_read_unlock+0x25f/0x5c0, CPU#0: syz-executor.5/3896 Modules linked in: CPU: 0 UID: 0 PID: 3896 Comm: syz-executor.5 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:ffff88804a737510 EFLAGS: 00010286 RAX: 00000000ffffffff RBX: ffff88800f318000 RCX: ffffc90009443000 RDX: 0000000000000000 RSI: ffffffff81566100 RDI: ffff88800f3183fc RBP: ffff88800f318000 R08: 0000000000000000 R09: fffffbfff0ba7040 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800f318000 R13: 0000000000000001 R14: ffffffff85c0cde0 R15: ffff88801b1045d0 FS: 00007f7ee9140700(0000) GS:ffff8880e5342000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd69e67d28 CR3: 000000000d7c5000 CR4: 0000000000350ef0 Call Trace: __wait_on_freeing_inode+0x10f/0x350 insert_inode_locked+0x25f/0x890 __ext4_new_inode+0x223d/0x4cd0 ext4_create+0x2e2/0x4e0 lookup_open.isra.0+0xc03/0x1030 path_openat+0xea4/0x2d60 do_file_open+0x209/0x460 do_sys_openat2+0xe7/0x210 __x64_sys_creat+0xcc/0x120 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7eebc0cb19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f7ee9140188 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f7eebd200e0 RCX: 00007f7eebc0cb19 RDX: 0000000000000000 RSI: 0000000000000094 RDI: 0000000020003c80 RBP: 00007f7eebc66f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffe82c454f R14: 00007f7ee9140300 R15: 0000000000022000 irq event stamp: 183 hardirqs last enabled at (183): [] _raw_spin_unlock_irqrestore+0x2c/0x50 hardirqs last disabled at (182): [] _raw_spin_lock_irqsave+0x53/0x60 softirqs last enabled at (178): [] kernel_fpu_end+0x59/0x70 softirqs last disabled at (176): [] kernel_fpu_begin_mask+0x1bb/0x300 ---[ end trace 0000000000000000 ]--- audit: type=1400 audit(1768687217.316:8): avc: denied { open } for pid=3898 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 wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 audit: type=1400 audit(1768687217.317:9): avc: denied { kernel } for pid=3898 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 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 ieee80211 phy13: Selected rate control algorithm 'minstrel_ht' wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 ieee80211 phy14: Selected rate control algorithm 'minstrel_ht' 9p: Bad value for 'wfdno' wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 ieee80211 phy15: Selected rate control algorithm 'minstrel_ht' UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 ieee80211 phy16: Selected rate control algorithm 'minstrel_ht' UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 40 00 I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x4000 phys_seg 32 prio class 2 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 40 00 00 40 00 I/O error, dev sr0, sector 256 op 0x0:(READ) flags 0x4000 phys_seg 32 prio class 2 wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 ieee80211 phy17: Selected rate control algorithm 'minstrel_ht' sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 80 00 00 40 00 I/O error, dev sr0, sector 512 op 0x0:(READ) flags 0x4000 phys_seg 32 prio class 2 loop5: detected capacity change from 0 to 264192 ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 c0 00 00 40 00 I/O error, dev sr0, sector 768 op 0x0:(READ) flags 0x0 phys_seg 18 prio class 2 tmpfs: Unknown parameter './file1' loop5: detected capacity change from 0 to 264192 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 40 00 I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x4000 phys_seg 32 prio class 2 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 40 00 00 40 00 I/O error, dev sr0, sector 256 op 0x0:(READ) flags 0x4000 phys_seg 32 prio class 2 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 80 00 00 40 00 I/O error, dev sr0, sector 512 op 0x0:(READ) flags 0x4000 phys_seg 32 prio class 2 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 c0 00 00 40 00 I/O error, dev sr0, sector 768 op 0x0:(READ) flags 0x0 phys_seg 18 prio class 2 audit: type=1400 audit(1768687225.199:10): avc: denied { write } for pid=3980 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.7'.