binder: 2824:2829 transaction failed 29189/-22, size 0-0 line 2896
binder: 2824:2825 got reply transaction with no transaction stack
======================================================
WARNING: possible circular locking dependency detected
5.0.0 #4 Not tainted
------------------------------------------------------
syz-executor.1/2822 is trying to acquire lock:
binder: undelivered TRANSACTION_ERROR: 29189
00000000583ae3bb (&sig->cred_guard_mutex){+.+.}, at: lock_trace+0x4a/0xe0 fs/proc/base.c:384

but task is already holding lock:
00000000b0e8b7af (&p->lock){+.+.}, at: seq_read+0x71/0x1130 fs/seq_file.c:161

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #2 (&p->lock){+.+.}:
       __mutex_lock_common kernel/locking/mutex.c:925 [inline]
       __mutex_lock+0xf7/0x1310 kernel/locking/mutex.c:1072
       mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087
binder: 2824:2825 ioctl c0306201 20000180 returned -14
       seq_read+0x71/0x1130 fs/seq_file.c:161
       proc_reg_read+0x1fa/0x2c0 fs/proc/inode.c:229
       do_loop_readv_writev fs/read_write.c:700 [inline]
       do_loop_readv_writev fs/read_write.c:687 [inline]
       do_iter_read+0x4a9/0x660 fs/read_write.c:921
       vfs_readv+0xf0/0x160 fs/read_write.c:983
       kernel_readv fs/splice.c:362 [inline]
       default_file_splice_read+0x475/0x890 fs/splice.c:417
       do_splice_to+0x12a/0x190 fs/splice.c:880
       do_splice+0xf7c/0x1330 fs/splice.c:1178
       __do_sys_splice fs/splice.c:1419 [inline]
       __se_sys_splice fs/splice.c:1399 [inline]
       __x64_sys_splice+0x2c6/0x330 fs/splice.c:1399
       do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
binder: undelivered TRANSACTION_ERROR: 29201
       entry_SYSCALL_64_after_hwframe+0x49/0xbe

-> #1 (&pipe->mutex/1){+.+.}:
       __mutex_lock_common kernel/locking/mutex.c:925 [inline]
       __mutex_lock+0xf7/0x1310 kernel/locking/mutex.c:1072
       mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087
       __pipe_lock fs/pipe.c:83 [inline]
       fifo_open+0x159/0xb00 fs/pipe.c:905
       do_dentry_open+0x47d/0x1130 fs/open.c:771
       vfs_open+0xa0/0xd0 fs/open.c:880
binder: undelivered TRANSACTION_ERROR: 29189
       do_last fs/namei.c:3418 [inline]
       path_openat+0x10d7/0x4690 fs/namei.c:3534
       do_filp_open+0x1a1/0x280 fs/namei.c:3564
       do_open_execat+0x13b/0x6d0 fs/exec.c:856
       __do_execve_file.isra.0+0x178d/0x23f0 fs/exec.c:1758
       do_execveat_common fs/exec.c:1865 [inline]
       do_execve fs/exec.c:1882 [inline]
       __do_sys_execve fs/exec.c:1963 [inline]
       __se_sys_execve fs/exec.c:1958 [inline]
       __x64_sys_execve+0x8f/0xc0 fs/exec.c:1958
binder: 2832:2833 ioctl c0306201 20000180 returned -14
       do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
       entry_SYSCALL_64_after_hwframe+0x49/0xbe

-> #0 (&sig->cred_guard_mutex){+.+.}:
       lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841
       __mutex_lock_common kernel/locking/mutex.c:925 [inline]
       __mutex_lock+0xf7/0x1310 kernel/locking/mutex.c:1072
binder: undelivered TRANSACTION_ERROR: 29189
       mutex_lock_killable_nested+0x16/0x20 kernel/locking/mutex.c:1102
       lock_trace+0x4a/0xe0 fs/proc/base.c:384
       proc_pid_personality+0x1c/0xd0 fs/proc/base.c:2895
       proc_single_show+0xf6/0x180 fs/proc/base.c:739
       seq_read+0x4db/0x1130 fs/seq_file.c:229
       do_loop_readv_writev fs/read_write.c:700 [inline]
       do_loop_readv_writev fs/read_write.c:687 [inline]
       do_iter_read+0x4a9/0x660 fs/read_write.c:921
       vfs_readv+0xf0/0x160 fs/read_write.c:983
       do_preadv+0x1c4/0x280 fs/read_write.c:1067
binder: undelivered TRANSACTION_ERROR: 29189
       __do_sys_preadv fs/read_write.c:1117 [inline]
       __se_sys_preadv fs/read_write.c:1112 [inline]
       __x64_sys_preadv+0x9a/0xf0 fs/read_write.c:1112
       do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
       entry_SYSCALL_64_after_hwframe+0x49/0xbe

other info that might help us debug this:

Chain exists of:
  &sig->cred_guard_mutex --> &pipe->mutex/1 --> &p->lock

 Possible unsafe locking scenario:

       CPU0                    CPU1
binder: 2835:2836 ioctl c0306201 20000180 returned -14
       ----                    ----
  lock(&p->lock);
                               lock(&pipe->mutex/1);
                               lock(&p->lock);
  lock(&sig->cred_guard_mutex);

 *** DEADLOCK ***

1 lock held by syz-executor.1/2822:
 #0: 00000000b0e8b7af (&p->lock){+.+.}, at: seq_read+0x71/0x1130 fs/seq_file.c:161
binder: undelivered TRANSACTION_ERROR: 29189

stack backtrace:
CPU: 0 PID: 2822 Comm: syz-executor.1 Not tainted 5.0.0 #4
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1224
 check_prev_add kernel/locking/lockdep.c:1866 [inline]
 check_prevs_add kernel/locking/lockdep.c:1979 [inline]
 validate_chain kernel/locking/lockdep.c:2350 [inline]
 __lock_acquire+0x2f00/0x4700 kernel/locking/lockdep.c:3338
binder: undelivered TRANSACTION_ERROR: 29189
 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841
 __mutex_lock_common kernel/locking/mutex.c:925 [inline]
 __mutex_lock+0xf7/0x1310 kernel/locking/mutex.c:1072
 mutex_lock_killable_nested+0x16/0x20 kernel/locking/mutex.c:1102
 lock_trace+0x4a/0xe0 fs/proc/base.c:384
 proc_pid_personality+0x1c/0xd0 fs/proc/base.c:2895
 proc_single_show+0xf6/0x180 fs/proc/base.c:739
 seq_read+0x4db/0x1130 fs/seq_file.c:229
 do_loop_readv_writev fs/read_write.c:700 [inline]
 do_loop_readv_writev fs/read_write.c:687 [inline]
 do_iter_read+0x4a9/0x660 fs/read_write.c:921
 vfs_readv+0xf0/0x160 fs/read_write.c:983
 do_preadv+0x1c4/0x280 fs/read_write.c:1067
 __do_sys_preadv fs/read_write.c:1117 [inline]
 __se_sys_preadv fs/read_write.c:1112 [inline]
 __x64_sys_preadv+0x9a/0xf0 fs/read_write.c:1112
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e29
Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc71f600c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457e29
RDX: 000000000000031f RSI: 0000000020000700 RDI: 0000000000000006
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc71f6016d4
R13: 00000000004c4933 R14: 00000000004d8210 R15: 00000000ffffffff
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (000000002a6fc4cd): kobject_uevent_env
netlink: 10 bytes leftover after parsing attributes in process `syz-executor.3'.
kobject: 'loop4' (000000002a6fc4cd): fill_kobj_path: path = '/devices/virtual/block/loop4'
binder: 2841:2842 ioctl c0306201 20000180 returned -14
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
netlink: 10 bytes leftover after parsing attributes in process `syz-executor.3'.
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
binder: 2862:2863 ioctl c0306201 20000180 returned -14
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
netlink: 10 bytes leftover after parsing attributes in process `syz-executor.3'.
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
binder: 2872:2873 ioctl c0306201 20000180 returned -14
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
netlink: 10 bytes leftover after parsing attributes in process `syz-executor.3'.
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (000000002a6fc4cd): kobject_uevent_env
binder: 2892:2898 ioctl c0306201 20000180 returned -14
kobject: 'loop4' (000000002a6fc4cd): fill_kobj_path: path = '/devices/virtual/block/loop4'
netlink: 10 bytes leftover after parsing attributes in process `syz-executor.3'.
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
binder: 2908:2909 ioctl c0306201 20000180 returned -14
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
binder: 2915:2916 ioctl c0306201 20000180 returned -14
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
netlink: 10 bytes leftover after parsing attributes in process `syz-executor.3'.
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
binder: 2921:2924 ioctl c0306201 20000180 returned -14
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
netlink: 10 bytes leftover after parsing attributes in process `syz-executor.3'.
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (000000002a6fc4cd): kobject_uevent_env
binder: 2939:2941 ioctl c0306201 20000180 returned -14
netlink: 10 bytes leftover after parsing attributes in process `syz-executor.3'.
kobject: 'loop4' (000000002a6fc4cd): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
binder: 2960:2962 ioctl c0306201 20000180 returned -14
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
binder: 2971:2973 ioctl c0306201 20000180 returned -14
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
net_ratelimit: 18 callbacks suppressed
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
binder: 2982:2983 ioctl c0306201 20000180 returned -14
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (000000002a6fc4cd): kobject_uevent_env
kobject: 'loop4' (000000002a6fc4cd): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
binder: 3005:3008 ioctl c0306201 20000180 returned -14
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
binder: 3015:3016 ioctl c0306201 20000180 returned -14
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'loop4' (000000002a6fc4cd): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (000000002a6fc4cd): fill_kobj_path: path = '/devices/virtual/block/loop4'
binder_transaction: 31 callbacks suppressed
binder: 3032:3037 transaction failed 29189/-22, size 0-0 line 2896
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
binder: 3032:3037 ioctl c0306201 20000180 returned -14
binder: 3032:3046 transaction failed 29189/-22, size 0-0 line 2896
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
binder: 3032:3037 got reply transaction with no transaction stack
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
binder: 3032:3037 transaction failed 29201/-71, size 0-8 line 2801
binder: 3032:3037 ioctl c0306201 20000180 returned -14
binder: 3055:3056 transaction failed 29189/-22, size 0-0 line 2896
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
binder: 3055:3056 ioctl c0306201 20000180 returned -14
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
binder: 3055:3060 transaction failed 29189/-22, size 0-0 line 2896
binder: 3055:3056 got reply transaction with no transaction stack
binder: 3055:3056 transaction failed 29201/-71, size 0-8 line 2801
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
binder: 3055:3056 ioctl c0306201 20000180 returned -14
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
binder: 3077:3084 transaction failed 29189/-22, size 0-0 line 2896
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
__nla_parse: 12 callbacks suppressed
netlink: 10 bytes leftover after parsing attributes in process `syz-executor.3'.
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
binder: 3077:3084 ioctl c0306201 20000180 returned -14
binder: 3077:3090 transaction failed 29189/-22, size 0-0 line 2896
kobject: 'loop4' (000000002a6fc4cd): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop4' (000000002a6fc4cd): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
binder_release_work: 32 callbacks suppressed
binder: undelivered TRANSACTION_ERROR: 29189
binder: undelivered TRANSACTION_ERROR: 29189
netlink: 10 bytes leftover after parsing attributes in process `syz-executor.3'.
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
binder: 3108:3112 transaction failed 29189/-22, size 0-0 line 2896
netlink: 10 bytes leftover after parsing attributes in process `syz-executor.3'.
binder: 3108:3112 ioctl c0306201 20000180 returned -14
binder: 3108:3117 transaction failed 29189/-22, size 0-0 line 2896
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
binder: undelivered TRANSACTION_ERROR: 29189
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
netlink: 10 bytes leftover after parsing attributes in process `syz-executor.3'.
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (000000002a6fc4cd): kobject_uevent_env
binder: 3137:3139 ioctl c0306201 20000180 returned -14
netlink: 10 bytes leftover after parsing attributes in process `syz-executor.3'.
kobject: 'loop4' (000000002a6fc4cd): fill_kobj_path: path = '/devices/virtual/block/loop4'
binder: undelivered TRANSACTION_ERROR: 29189
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
netlink: 10 bytes leftover after parsing attributes in process `syz-executor.3'.
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
binder: undelivered TRANSACTION_ERROR: 29189
binder: undelivered TRANSACTION_ERROR: 29189
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
binder: undelivered TRANSACTION_ERROR: 29189
netlink: 10 bytes leftover after parsing attributes in process `syz-executor.3'.
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (000000002a6fc4cd): kobject_uevent_env
kobject: 'loop4' (000000002a6fc4cd): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
netlink: 10 bytes leftover after parsing attributes in process `syz-executor.3'.
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
netlink: 10 bytes leftover after parsing attributes in process `syz-executor.3'.
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (000000002a6fc4cd): kobject_uevent_env
kobject: 'loop4' (000000002a6fc4cd): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
binder: 3260:3262 got reply transaction with no transaction stack
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
netlink: 10 bytes leftover after parsing attributes in process `syz-executor.3'.
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
net_ratelimit: 22 callbacks suppressed
protocol 88fb is buggy, dev hsr_slave_0
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (000000002a6fc4cd): kobject_uevent_env
kobject: 'loop4' (000000002a6fc4cd): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'loop4' (000000002a6fc4cd): kobject_uevent_env
kobject: 'loop4' (000000002a6fc4cd): fill_kobj_path: path = '/devices/virtual/block/loop4'
binder_transaction: 27 callbacks suppressed
binder: 3361:3370 transaction failed 29189/-22, size 0-0 line 2896
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
binder: 3361:3375 transaction failed 29189/-22, size 0-0 line 2896
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
binder: 3388:3389 transaction failed 29189/-22, size 0-0 line 2896
kobject: 'loop5' (00000000b1b3a09d): kobject_uevent_env
binder: 3388:3391 transaction failed 29189/-22, size 0-0 line 2896
kobject: 'loop5' (00000000b1b3a09d): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'kvm' (000000004b7bd2f2): kobject_uevent_env
kobject: 'kvm' (000000004b7bd2f2): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
binder: 3397:3398 transaction failed 29189/-22, size 0-0 line 2896
kobject: 'loop0' (000000004615dae0): kobject_uevent_env
kobject: 'loop0' (000000004615dae0): fill_kobj_path: path = '/devices/virtual/block/loop0'
binder: 3397:3400 transaction failed 29189/-22, size 0-0 line 2896
kobject: 'kvm' (000000004b7bd2f2): kobject_uevent_env
kobject: 'kvm' (000000004b7bd2f2): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000004b7bd2f2): kobject_uevent_env
kobject: 'kvm' (000000004b7bd2f2): kobject_uevent_env
kobject: 'kvm' (000000004b7bd2f2): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000004b7bd2f2): fill_kobj_path: path = '/devices/virtual/misc/kvm'