program syz-executor.7 is using a deprecated SCSI ioctl, please convert it to SG_IO ===================================== WARNING: bad unlock balance detected! 6.19.0-rc5-next-20260114 #1 Not tainted ------------------------------------- syz-executor.4/4054 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.4/4054: #0: ffff88800fb863f8 (sb_writers#3){.+.+}-{0:0}, at: filename_create+0xf7/0x400 #1: ffff88801a8becb8 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: filename_create+0x1b1/0x400 #2: ffff88800f77a950 (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: 4054 Comm: syz-executor.4 Not tainted 6.19.0-rc5-next-20260114 #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 vfs_create+0x5db/0xa30 do_mknodat+0x35f/0x510 __x64_sys_mknod+0x89/0xb0 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0e24187b19 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:00007f0e216fd188 EFLAGS: 00000246 ORIG_RAX: 0000000000000085 RAX: ffffffffffffffda RBX: 00007f0e2429af60 RCX: 00007f0e24187b19 RDX: 0000000000000709 RSI: 0000000000000000 RDI: 0000000020000140 RBP: 00007f0e241e1f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe5dfbc1ff R14: 00007f0e216fd300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: kernel/rcu/tree_plugin.h:443 at __rcu_read_unlock+0x25f/0x5c0, CPU#0: syz-executor.4/4054 Modules linked in: CPU: 0 UID: 0 PID: 4054 Comm: syz-executor.4 Not tainted 6.19.0-rc5-next-20260114 #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 16 c0 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 24 74 03 e8 bc 5c 56 00 e9 RSP: 0018:ffff8880490bf9c0 EFLAGS: 00010286 RAX: 00000000ffffffff RBX: ffff8880164e0000 RCX: ffffc90007443000 RDX: 0000000000000000 RSI: ffffffff81565a30 RDI: ffff8880164e03fc RBP: ffff8880164e0000 R08: 0000000000000000 R09: fffffbfff0ba6ffc R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880164e0000 R13: 0000000000000001 R14: ffffffff85c10300 R15: ffff88801c481628 FS: 00007f0e216fd700(0000) GS:ffff8880e5343000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d924000 CR3: 000000001f745000 CR4: 0000000000350ef0 Call Trace: __wait_on_freeing_inode+0x10f/0x350 insert_inode_locked+0x25f/0x890 __ext4_new_inode+0x223d/0x4cd0 ext4_create+0x2e2/0x4e0 vfs_create+0x5db/0xa30 do_mknodat+0x35f/0x510 __x64_sys_mknod+0x89/0xb0 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0e24187b19 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:00007f0e216fd188 EFLAGS: 00000246 ORIG_RAX: 0000000000000085 RAX: ffffffffffffffda RBX: 00007f0e2429af60 RCX: 00007f0e24187b19 RDX: 0000000000000709 RSI: 0000000000000000 RDI: 0000000020000140 RBP: 00007f0e241e1f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe5dfbc1ff R14: 00007f0e216fd300 R15: 0000000000022000 irq event stamp: 161 hardirqs last enabled at (161): [] _raw_spin_unlock_irqrestore+0x2c/0x50 hardirqs last disabled at (160): [] _raw_spin_lock_irqsave+0x53/0x60 softirqs last enabled at (156): [] kernel_fpu_end+0x59/0x70 softirqs last disabled at (154): [] kernel_fpu_begin_mask+0x1bb/0x300 ---[ end trace 0000000000000000 ]--- 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 06 00 sr 1:0:0:0: [sr0] tag#0 unaligned transfer Buffer I/O error on dev sr0, logical block 0, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer Buffer I/O error on dev sr0, logical block 1, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer audit: type=1400 audit(1768384743.559:10): avc: denied { read } for pid=4084 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 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 06 00 sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer netlink: 1000 bytes leftover after parsing attributes in process `syz-executor.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 00 00 00 08 00 sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer 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 02 00 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 sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer program syz-executor.7 is using a deprecated SCSI ioctl, please convert it to SG_IO loop0: detected capacity change from 0 to 16 EXT4-fs (loop0): #clusters per group too big: 32803 loop0: detected capacity change from 0 to 16 EXT4-fs (loop0): #clusters per group too big: 32803 loop0: detected capacity change from 0 to 16 EXT4-fs (loop0): #clusters per group too big: 32803 loop0: detected capacity change from 0 to 16 EXT4-fs (loop0): #clusters per group too big: 32803 loop0: detected capacity change from 0 to 16 EXT4-fs (loop0): #clusters per group too big: 32803 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 tmpfs: Unknown parameter './file1' 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 random: crng reseeded on system resumption random: crng reseeded on system resumption audit: type=1400 audit(1768384747.719:11): avc: denied { watch_reads } for pid=4333 comm="syz-executor.0" path="/syzkaller-testdir441410548/syzkaller.TFLwG2/21/file0" dev="tmpfs" ino=1 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:tmpfs_t:s0 tclass=dir permissive=1 UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list loop0: detected capacity change from 0 to 512 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. capability: warning: `syz-executor.6' uses deprecated v2 capabilities in a way that may be insecure EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=4422 comm=syz-executor.3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=4422 comm=syz-executor.3 audit: type=1400 audit(1768384748.554:12): avc: denied { write } for pid=4446 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 loop4: detected capacity change from 0 to 6 FAT-fs (loop4): Directory bread(block 6) failed FAT-fs (loop4): Directory bread(block 6) failed FAT-fs (loop4): Directory bread(block 6) failed random: crng reseeded on system resumption random: crng reseeded on system resumption random: crng reseeded on system resumption random: crng reseeded on system resumption perf: interrupt took too long (2512 > 2500), lowering kernel.perf_event_max_sample_rate to 79000 perf: interrupt took too long (3955 > 3948), lowering kernel.perf_event_max_sample_rate to 50000 perf: interrupt took too long (4956 > 4943), lowering kernel.perf_event_max_sample_rate to 40000 netlink: 'syz-executor.4': attribute type 1 has an invalid length. perf: interrupt took too long (6201 > 6195), lowering kernel.perf_event_max_sample_rate to 32000 perf: interrupt took too long (7798 > 7751), lowering kernel.perf_event_max_sample_rate to 25000 __nla_validate_parse: 1 callbacks suppressed netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'.