9p: Could not find request transport: unixµ8íúæ{!¬ÖZæ;vb+Š¯bTT—&Z$côÆÙÏ„š'øÚÝíXÙY9"Bn ===================================== WARNING: bad unlock balance detected! 6.19.0-rc5-next-20260113 #1 Not tainted ------------------------------------- syz-executor.2/4369 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.2/4369: #0: ffff88800fa8c3f8 (sb_writers#3){.+.+}-{0:0}, at: filename_create+0xf7/0x400 #1: ffff88804ea1f640 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: filename_create+0x1b1/0x400 #2: ffff88800fb58950 (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: 4369 Comm: syz-executor.2 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: 0033:0x7efc2928e427 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:00007ffeaa0ff598 EFLAGS: 00000202 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efc2928e427 RDX: 00007ffeaa0ff677 RSI: 00007efc292e9019 RDI: 00007ffeaa0ff660 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffeaa0ff430 R10: 00007ffeaa0ff2e7 R11: 0000000000000202 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffeaa0ff660 ------------[ cut here ]------------ WARNING: kernel/rcu/tree_plugin.h:443 at __rcu_read_unlock+0x25f/0x5c0, CPU#0: syz-executor.2/4369 Modules linked in: CPU: 0 UID: 0 PID: 4369 Comm: syz-executor.2 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:ffff888047e879a0 EFLAGS: 00010286 RAX: 00000000ffffffff RBX: ffff88804d9d9b80 RCX: ffffffff815664c7 RDX: 0000000000000000 RSI: ffffffff815664d0 RDI: ffff88804d9d9f7c RBP: ffff88804d9d9b80 R08: 0000000000000000 R09: fffffbfff0ba6ff4 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88804d9d9b80 R13: 0000000000000001 R14: ffffffff85c0d8d0 R15: ffff88804e978ca0 FS: 000055556c6b9400(0000) GS:ffff8880e5342000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efc2930e542 CR3: 0000000047447000 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: 0033:0x7efc2928e427 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:00007ffeaa0ff598 EFLAGS: 00000202 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efc2928e427 RDX: 00007ffeaa0ff677 RSI: 00007efc292e9019 RDI: 00007ffeaa0ff660 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffeaa0ff430 R10: 00007ffeaa0ff2e7 R11: 0000000000000202 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffeaa0ff660 irq event stamp: 173 hardirqs last enabled at (173): [] _raw_spin_unlock_irqrestore+0x2c/0x50 hardirqs last disabled at (172): [] _raw_spin_lock_irqsave+0x53/0x60 softirqs last enabled at (168): [] kernel_fpu_end+0x59/0x70 softirqs last disabled at (166): [] kernel_fpu_begin_mask+0x1bb/0x300 ---[ end trace 0000000000000000 ]--- Bluetooth: hci3: Controller not accepting commands anymore: ncmd = 0 Bluetooth: hci3: Injecting HCI hardware error event Bluetooth: hci3: hardware error 0x00 SELinux: Context /usr/lib/telepathy/mission-control-5 is not valid (left unmapped). syz-executor.7 (4478) used greatest stack depth: 24632 bytes left audit: type=1400 audit(1768293581.737:17): avc: denied { write } for pid=4503 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 syz-executor.7 (4502) used greatest stack depth: 23984 bytes left UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 Bluetooth: hci3: Opcode 0x0c03 failed: -110 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 loop4: detected capacity change from 0 to 4 EXT4-fs (loop4): invalid inodes per group: 8 loop4: detected capacity change from 0 to 4 EXT4-fs (loop4): invalid inodes per group: 8 loop4: detected capacity change from 0 to 4 EXT4-fs (loop4): invalid inodes per group: 8 loop4: detected capacity change from 0 to 4 EXT4-fs (loop4): invalid inodes per group: 8 loop4: detected capacity change from 0 to 4 EXT4-fs (loop4): invalid inodes per group: 8 loop2: detected capacity change from 0 to 512 cgroup: noprefix used incorrectly cgroup: noprefix used incorrectly EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop2: detected capacity change from 0 to 512 cgroup: noprefix used incorrectly EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. cgroup: noprefix used incorrectly loop4: detected capacity change from 0 to 512 EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. cgroup: noprefix used incorrectly EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop4: detected capacity change from 0 to 512 EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop4: detected capacity change from 0 to 512 EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. audit: type=1326 audit(1768293587.032:18): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4897 comm="syz-executor.7" exe="/syz-executor.7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fe83942db19 code=0x0 audit: type=1326 audit(1768293587.229:19): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4916 comm="syz-executor.7" exe="/syz-executor.7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fe83942db19 code=0x0 audit: type=1326 audit(1768293587.403:20): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4940 comm="syz-executor.7" exe="/syz-executor.7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fe83942db19 code=0x0 ISOFS: Unable to identify CD-ROM format. audit: type=1326 audit(1768293587.627:21): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4954 comm="syz-executor.7" exe="/syz-executor.7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fe83942db19 code=0x0 Process accounting resumed ISOFS: Unable to identify CD-ROM format. Process accounting resumed ISOFS: Unable to identify CD-ROM format. Process accounting resumed ISOFS: Unable to identify CD-ROM format. Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed autofs4:pid:5085:validate_dev_ioctl: invalid path supplied for cmd(0xc0189371) autofs4:pid:5086:validate_dev_ioctl: invalid path supplied for cmd(0xc0189371) Process accounting resumed autofs4:pid:5098:validate_dev_ioctl: invalid path supplied for cmd(0xc0189371) autofs4:pid:5108:validate_dev_ioctl: invalid path supplied for cmd(0xc0189371) autofs4:pid:5110:validate_dev_ioctl: invalid path supplied for cmd(0xc0189371) autofs4:pid:5113:validate_dev_ioctl: invalid path supplied for cmd(0xc0189371) autofs4:pid:5118:validate_dev_ioctl: invalid path supplied for cmd(0xc0189371) autofs4:pid:5125:validate_dev_ioctl: invalid path supplied for cmd(0xc0189371) audit: type=1326 audit(1768293590.156:22): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=5140 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f17eac69b19 code=0x0