===================================== WARNING: bad unlock balance detected! 6.19.0-rc5-next-20260113 #1 Not tainted ------------------------------------- syz-executor.5/4118 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.5/4118: #0: ffff88800fdd83f8 (sb_writers#3){.+.+}-{0:0}, at: filename_create+0xf7/0x400 #1: ffff88804be50d68 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: filename_create+0x1b1/0x400 #2: ffff88800fdd0950 (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: 4118 Comm: syz-executor.5 Not tainted 6.19.0-rc5-next-20260113 #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+0x406/0xb40 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: 0033:0x7f535d55a427 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:00007ffc27957a28 EFLAGS: 00000206 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f535d55a427 RDX: 00007ffc27957b03 RSI: 00007f535d5b502f RDI: 00007ffc27957af0 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc279578c0 R10: 00007ffc27957777 R11: 0000000000000206 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffc27957af0 ------------[ cut here ]------------ WARNING: kernel/rcu/tree_plugin.h:443 at __rcu_read_unlock+0x25f/0x5c0, CPU#0: syz-executor.5/4118 Modules linked in: CPU: 0 UID: 0 PID: 4118 Comm: syz-executor.5 Not tainted 6.19.0-rc5-next-20260113 #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 a6 bb de ff 4d 85 f6 0f 84 73 fe ff ff e8 38 89 20 00 fb e9 68 fe ff ff 90 <0f> 0b 90 5b 5d 41 5c 41 5d 41 5e e9 61 f9 73 03 e8 0c 88 56 00 e9 RSP: 0018:ffff88804b2879a0 EFLAGS: 00010286 RAX: 00000000ffffffff RBX: ffff88804d465280 RCX: ffffffff815664c7 RDX: 0000000000000000 RSI: ffffffff815664d0 RDI: ffff88804d46567c RBP: ffff88804d465280 R08: 0000000000000000 R09: fffffbfff0ba6ff4 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88804d465280 R13: 0000000000000001 R14: ffffffff85c0f860 R15: ffff88804bc04f58 FS: 000055558e86e400(0000) GS:ffff8880e5342000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f403309a000 CR3: 0000000052994000 CR4: 0000000000350ef0 Call Trace: __wait_on_freeing_inode+0x10f/0x350 insert_inode_locked+0x25f/0x890 __ext4_new_inode+0x223d/0x4cd0 ext4_symlink+0x406/0xb40 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: 0033:0x7f535d55a427 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:00007ffc27957a28 EFLAGS: 00000206 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f535d55a427 RDX: 00007ffc27957b03 RSI: 00007f535d5b502f RDI: 00007ffc27957af0 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc279578c0 R10: 00007ffc27957777 R11: 0000000000000206 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffc27957af0 irq event stamp: 407 hardirqs last enabled at (407): [] irqentry_exit+0x17b/0x650 hardirqs last disabled at (406): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (400): [] kernel_fpu_end+0x59/0x70 softirqs last disabled at (398): [] kernel_fpu_begin_mask+0x1bb/0x300 ---[ end trace 0000000000000000 ]--- perf: interrupt took too long (2509 > 2500), lowering kernel.perf_event_max_sample_rate to 79000 perf: interrupt took too long (3966 > 3941), lowering kernel.perf_event_max_sample_rate to 50000 audit: type=1400 audit(1768294127.628:10): avc: denied { write } for pid=4112 comm="syz-executor.6" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 cgroup: release_agent respecified syz-executor.1 (4169) used greatest stack depth: 24224 bytes left perf: interrupt took too long (4967 > 4957), lowering kernel.perf_event_max_sample_rate to 40000 perf: interrupt took too long (6212 > 6208), lowering kernel.perf_event_max_sample_rate to 32000 kernel read not supported for file /vga_arbiter (pid: 23 comm: kworker/1:0) kernel read not supported for file /vga_arbiter (pid: 23 comm: kworker/1:0) kernel read not supported for file /vga_arbiter (pid: 151 comm: kworker/1:3) kernel read not supported for file /vga_arbiter (pid: 151 comm: kworker/1:3) netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. kernel read not supported for file /vga_arbiter (pid: 23 comm: kworker/1:0) netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. tmpfs: Bad value for 'mpol' tmpfs: Bad value for 'mpol' tmpfs: Bad value for 'mpol' mmap: syz-executor.0 (4400) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst. tmpfs: Bad value for 'mpol' audit: type=1326 audit(1768294130.514:11): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4403 comm="syz-executor.4" exe="/syz-executor.4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7f51be800b19 code=0x7ffc0000 audit: type=1326 audit(1768294130.517:12): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4403 comm="syz-executor.4" exe="/syz-executor.4" sig=0 arch=c000003e syscall=334 compat=0 ip=0x7f51be800b19 code=0x7ffc0000 audit: type=1326 audit(1768294130.517:13): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4403 comm="syz-executor.4" exe="/syz-executor.4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7f51be800b19 code=0x7ffc0000 audit: type=1326 audit(1768294130.517:14): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4403 comm="syz-executor.4" exe="/syz-executor.4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7f51be800b19 code=0x7ffc0000 audit: type=1326 audit(1768294130.521:15): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4403 comm="syz-executor.4" exe="/syz-executor.4" sig=0 arch=c000003e syscall=317 compat=0 ip=0x7f51be800b19 code=0x7ffc0000 audit: type=1326 audit(1768294130.526:16): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4403 comm="syz-executor.4" exe="/syz-executor.4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7f51be800b19 code=0x7ffc0000 audit: type=1326 audit(1768294130.526:17): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4403 comm="syz-executor.4" exe="/syz-executor.4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7f51be800b19 code=0x7ffc0000 tmpfs: Bad value for 'mpol' audit: type=1326 audit(1768294130.604:18): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4417 comm="syz-executor.4" exe="/syz-executor.4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7f51be800b19 code=0x7ffc0000 audit: type=1326 audit(1768294130.607:19): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4417 comm="syz-executor.4" exe="/syz-executor.4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7f51be800b19 code=0x7ffc0000 audit: type=1326 audit(1768294130.611:20): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4417 comm="syz-executor.4" exe="/syz-executor.4" sig=0 arch=c000003e syscall=334 compat=0 ip=0x7f51be800b19 code=0x7ffc0000 UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list Bluetooth: hci3: unexpected event 0x3e length: 431 > 260 Bluetooth: hci3: unexpected subevent 0x0d length: 430 > 260 Bluetooth: hci3: adv larger than maximum supported Bluetooth: hci3: unexpected event 0x3e length: 431 > 260 Bluetooth: hci3: unexpected subevent 0x0d length: 430 > 260 Bluetooth: hci3: adv larger than maximum supported Bluetooth: hci3: unexpected event 0x3e length: 431 > 260 Bluetooth: hci3: unexpected subevent 0x0d length: 430 > 260 Bluetooth: hci3: adv larger than maximum supported Bluetooth: hci3: unexpected event 0x3e length: 431 > 260 Bluetooth: hci3: unexpected subevent 0x0d length: 430 > 260 Bluetooth: hci3: adv larger than maximum supported Bluetooth: hci3: unexpected event 0x3e length: 431 > 260 Bluetooth: hci3: unexpected subevent 0x0d length: 430 > 260 Bluetooth: hci3: adv larger than maximum supported journal_path: not usable as path EXT4-fs: error: could not find journal device path journal_path: not usable as path EXT4-fs: error: could not find journal device path journal_path: not usable as path EXT4-fs: error: could not find journal device path journal_path: not usable as path EXT4-fs: error: could not find journal device path journal_path: not usable as path EXT4-fs: error: could not find journal device path tmpfs: Unknown parameter './file0/file0' program syz-executor.3 is using a deprecated SCSI ioctl, please convert it to SG_IO ata1.00: invalid multi_count 1 ignored program syz-executor.3 is using a deprecated SCSI ioctl, please convert it to SG_IO ata1.00: invalid multi_count 1 ignored program syz-executor.3 is using a deprecated SCSI ioctl, please convert it to SG_IO ata1.00: invalid multi_count 1 ignored program syz-executor.3 is using a deprecated SCSI ioctl, please convert it to SG_IO ata1.00: invalid multi_count 1 ignored program syz-executor.3 is using a deprecated SCSI ioctl, please convert it to SG_IO ata1.00: invalid multi_count 1 ignored