capability: warning: `syz-executor.7' uses deprecated v2 capabilities in a way that may be insecure ===================================== WARNING: bad unlock balance detected! 6.19.0-rc5-next-20260116 #1 Not tainted ------------------------------------- syz-executor.5/291 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.5/291: #0: ffff88800f9363f8 (sb_writers#3){.+.+}-{0:0}, at: filename_create+0xf7/0x400 #1: ffff88801c49d9a8 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: filename_create+0x1b1/0x400 #2: ffff88800f7ea950 (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: 1 UID: 0 PID: 291 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_mkdir+0x331/0xb30 vfs_mkdir+0x6d8/0xc00 filename_mkdirat+0x118/0x430 __x64_sys_mkdir+0x6e/0xd0 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7ffc606c27 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 53 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:00007ffd17accad8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007ffd17accb60 RCX: 00007f7ffc606c27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007ffd17accb60 RBP: 00007ffd17accb3c R08: 0000000000000000 R09: 0000000000000004 R10: 00007ffd17acc876 R11: 0000000000000206 R12: 0000000000000032 R13: 00000000000221cf R14: 0000000000000002 R15: 00007ffd17accba0 ------------[ cut here ]------------ WARNING: kernel/rcu/tree_plugin.h:443 at __rcu_read_unlock+0x25f/0x5c0, CPU#1: syz-executor.5/291 Modules linked in: CPU: 1 UID: 0 PID: 291 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:ffff88801a13f9e0 EFLAGS: 00010286 RAX: 00000000ffffffff RBX: ffff88801a0b8000 RCX: ffffffff815660f7 RDX: 0000000000000000 RSI: ffffffff81566100 RDI: ffff88801a0b83fc RBP: ffff88801a0b8000 R08: 0000000000000000 R09: fffffbfff0ba7040 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801a0b8000 R13: 0000000000000001 R14: ffffffff85c0d380 R15: ffff88804ed2b2c0 FS: 000055557f5dc400(0000) GS:ffff8880e5442000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe9d162de8 CR3: 000000001b353000 CR4: 0000000000350ef0 Call Trace: __wait_on_freeing_inode+0x10f/0x350 insert_inode_locked+0x25f/0x890 __ext4_new_inode+0x223d/0x4cd0 ext4_mkdir+0x331/0xb30 vfs_mkdir+0x6d8/0xc00 filename_mkdirat+0x118/0x430 __x64_sys_mkdir+0x6e/0xd0 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7ffc606c27 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 53 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:00007ffd17accad8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007ffd17accb60 RCX: 00007f7ffc606c27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007ffd17accb60 RBP: 00007ffd17accb3c R08: 0000000000000000 R09: 0000000000000004 R10: 00007ffd17acc876 R11: 0000000000000206 R12: 0000000000000032 R13: 00000000000221cf R14: 0000000000000002 R15: 00007ffd17accba0 irq event stamp: 308169 hardirqs last enabled at (308169): [] _raw_spin_unlock_irqrestore+0x2c/0x50 hardirqs last disabled at (308168): [] _raw_spin_lock_irqsave+0x53/0x60 softirqs last enabled at (308164): [] kernel_fpu_end+0x59/0x70 softirqs last disabled at (308162): [] kernel_fpu_begin_mask+0x1bb/0x300 ---[ end trace 0000000000000000 ]--- loop7: detected capacity change from 0 to 512 EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. EXT4-fs error (device loop7): __ext4_new_inode:1072: comm syz-executor.7: reserved inode found cleared - inode=1 EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. No source specified No source specified netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. No source specified No source specified audit: type=1400 audit(1768576282.654:13): avc: denied { block_suspend } for pid=4909 comm="syz-executor.1" capability=36 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 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: adv larger than maximum supported 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: adv larger than maximum supported Bluetooth: hci3: adv larger than maximum supported Bluetooth: hci0: unexpected event for opcode 0x2016 Bluetooth: hci5: unexpected event 0x3e length: 431 > 260 Bluetooth: hci5: unexpected subevent 0x0d length: 430 > 260 Bluetooth: hci5: adv larger than maximum supported Bluetooth: hci5: adv larger than maximum supported Bluetooth: hci5: adv larger than maximum supported Bluetooth: hci0: unexpected event 0x3e length: 431 > 260 Bluetooth: hci0: unexpected subevent 0x0d length: 430 > 260 Bluetooth: hci0: adv larger than maximum supported Bluetooth: hci0: ACL packet for unknown connection handle 201 Bluetooth: hci3: unexpected event 0x3e length: 431 > 260 Bluetooth: hci3: unexpected subevent 0x0d length: 430 > 260 Bluetooth: hci0: unexpected event for opcode 0x2016 Bluetooth: hci5: unexpected event 0x3e length: 431 > 260 Bluetooth: hci5: unexpected subevent 0x0d length: 430 > 260 Bluetooth: hci0: unexpected event 0x3e length: 431 > 260 Bluetooth: hci0: unexpected subevent 0x0d length: 430 > 260 Bluetooth: hci3: unexpected event 0x3e length: 431 > 260 Bluetooth: hci3: unexpected subevent 0x0d length: 430 > 260 Bluetooth: hci0: ACL packet for unknown connection handle 201 Bluetooth: hci5: unexpected event 0x3e length: 431 > 260 Bluetooth: hci5: unexpected subevent 0x0d length: 430 > 260 UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list Bluetooth: hci0: unexpected event for opcode 0x2016 Bluetooth: hci0: unexpected event 0x3e length: 431 > 260 Bluetooth: hci0: unexpected subevent 0x0d length: 430 > 260 Bluetooth: hci0: ACL packet for unknown connection handle 201 tmpfs: Unknown parameter './file0' mmap: syz-executor.6 (5075) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.6'. sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 34 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 35 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 program syz-executor.0 is using a deprecated SCSI ioctl, please convert it to SG_IO ======================================================= 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. ======================================================= Bluetooth: hci3: Controller not accepting commands anymore: ncmd = 0 Bluetooth: hci3: Injecting HCI hardware error event Bluetooth: hci3: hardware error 0x00 Bluetooth: hci5: Controller not accepting commands anymore: ncmd = 0 Bluetooth: hci5: Injecting HCI hardware error event Bluetooth: hci5: hardware error 0x00 Bluetooth: hci3: Opcode 0x0c03 failed: -110 Bluetooth: hci5: Opcode 0x0c03 failed: -110 loop7: detected capacity change from 0 to 4 EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! EXT4-fs (loop7): encrypted files will use data=ordered instead of data journaling mode EXT4-fs (loop7): Unsupported encryption level 125 loop7: detected capacity change from 0 to 4 EXT4-fs (loop7): encrypted files will use data=ordered instead of data journaling mode EXT4-fs (loop7): Unsupported encryption level 125 loop7: detected capacity change from 0 to 4 EXT4-fs (loop7): encrypted files will use data=ordered instead of data journaling mode EXT4-fs (loop7): Unsupported encryption level 125 loop7: detected capacity change from 0 to 4 EXT4-fs (loop7): encrypted files will use data=ordered instead of data journaling mode EXT4-fs (loop7): Unsupported encryption level 125 loop7: detected capacity change from 0 to 4 EXT4-fs (loop7): encrypted files will use data=ordered instead of data journaling mode EXT4-fs (loop7): Unsupported encryption level 125 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 08 00 I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x880700 phys_seg 4 prio class 2