======================================================
WARNING: possible circular locking dependency detected
5.0.0-rc7+ #86 Not tainted
------------------------------------------------------
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
syz-executor.3/11672 is trying to acquire lock:
00000000126c15d6 (&pipe->mutex/1){+.+.}, at: __pipe_lock fs/pipe.c:83 [inline]
00000000126c15d6 (&pipe->mutex/1){+.+.}, at: fifo_open+0x159/0xb00 fs/pipe.c:905

but task is already holding lock:
00000000673e64be (&sig->cred_guard_mutex){+.+.}, at: prepare_bprm_creds fs/exec.c:1407 [inline]
00000000673e64be (&sig->cred_guard_mutex){+.+.}, at: __do_execve_file.isra.0+0x376/0x23f0 fs/exec.c:1750

which lock already depends on the new lock.

kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'

the existing dependency chain (in reverse order) is:

-> #1 (&sig->cred_guard_mutex){+.+.}:
       __mutex_lock_common kernel/locking/mutex.c:925 [inline]
       __mutex_lock+0xf7/0x1310 kernel/locking/mutex.c:1072
       mutex_lock_interruptible_nested+0x16/0x20 kernel/locking/mutex.c:1109
       proc_pid_attr_write+0x1fa/0x530 fs/proc/base.c:2569
       __vfs_write+0x116/0x8e0 fs/read_write.c:485
       __kernel_write+0x110/0x3b0 fs/read_write.c:506
       write_pipe_buf+0x15d/0x1f0 fs/splice.c:797
       splice_from_pipe_feed fs/splice.c:503 [inline]
       __splice_from_pipe+0x39a/0x7e0 fs/splice.c:627
       splice_from_pipe+0x108/0x170 fs/splice.c:662
       default_file_splice_write+0x3c/0x90 fs/splice.c:809
       do_splice_from fs/splice.c:851 [inline]
       do_splice+0x644/0x1330 fs/splice.c:1152
       __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
       entry_SYSCALL_64_after_hwframe+0x49/0xbe

-> #0 (&pipe->mutex/1){+.+.}:
       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_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
       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
       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:

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&sig->cred_guard_mutex);
                               lock(&pipe->mutex/1);
                               lock(&sig->cred_guard_mutex);
  lock(&pipe->mutex/1);

 *** DEADLOCK ***

1 lock held by syz-executor.3/11672:
 #0: 00000000673e64be (&sig->cred_guard_mutex){+.+.}, at: prepare_bprm_creds fs/exec.c:1407 [inline]
 #0: 00000000673e64be (&sig->cred_guard_mutex){+.+.}, at: __do_execve_file.isra.0+0x376/0x23f0 fs/exec.c:1750

stack backtrace:
CPU: 0 PID: 11672 Comm: syz-executor.3 Not tainted 5.0.0-rc7+ #86
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
 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_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
kobject: 'loop4' (000000002cfc7a6b): kobject_uevent_env
 vfs_open+0xa0/0xd0 fs/open.c:880
 do_last fs/namei.c:3418 [inline]
 path_openat+0x10d7/0x4690 fs/namei.c:3534
kobject: 'loop4' (000000002cfc7a6b): fill_kobj_path: path = '/devices/virtual/block/loop4'
 do_filp_open+0x1a1/0x280 fs/namei.c:3564
kobject: 'loop2' (000000000e308381): kobject_uevent_env
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
 do_open_execat+0x13b/0x6d0 fs/exec.c:856
 __do_execve_file.isra.0+0x178d/0x23f0 fs/exec.c:1758
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
 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
 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
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
RSP: 002b:00007fdc6fab5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdc6fab66d4
R13: 00000000004be413 R14: 00000000004ced00 R15: 00000000ffffffff
kobject: 'kvm' (00000000fcb12c72): kobject_uevent_env
kobject: 'kvm' (00000000fcb12c72): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000b4ae1877): kobject_uevent_env
kobject: 'loop5' (00000000b4ae1877): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop4' (000000002cfc7a6b): kobject_uevent_env
kobject: 'loop4' (000000002cfc7a6b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (000000000e308381): kobject_uevent_env
binder: 11722 RLIMIT_NICE not set
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
binder_alloc: binder_alloc_mmap_handler: 11721 20001000-20004000 already mapped failed -16
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
binder: BINDER_SET_CONTEXT_MGR already set
kobject: 'loop5' (00000000b4ae1877): kobject_uevent_env
binder: 11721:11722 ioctl 40046207 0 returned -16
kobject: 'loop5' (00000000b4ae1877): fill_kobj_path: path = '/devices/virtual/block/loop5'
binder_alloc: 11721: binder_alloc_buf, no vma
binder: 11721:11737 transaction failed 29189/-3, size 0-0 line 3035
kobject: 'loop4' (000000002cfc7a6b): kobject_uevent_env
binder: 11722 RLIMIT_NICE not set
binder: release 11721:11722 transaction 8 out, still active
kobject: 'loop4' (000000002cfc7a6b): fill_kobj_path: path = '/devices/virtual/block/loop4'
binder: undelivered TRANSACTION_COMPLETE
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
binder: send failed reply for transaction 8, target dead
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
binder: 11760 RLIMIT_NICE not set
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
binder: release 11759:11760 transaction 11 out, still active
binder: undelivered TRANSACTION_COMPLETE
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
binder: send failed reply for transaction 11, target dead
kobject: 'loop5' (00000000b4ae1877): kobject_uevent_env
kobject: 'loop5' (00000000b4ae1877): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (000000000e308381): kobject_uevent_env
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (000000000e308381): kobject_uevent_env
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (000000002cfc7a6b): kobject_uevent_env
kobject: 'loop4' (000000002cfc7a6b): fill_kobj_path: path = '/devices/virtual/block/loop4'
binder: 11784 RLIMIT_NICE not set
binder: BINDER_SET_CONTEXT_MGR already set
binder: 11792:11793 ioctl 40046207 0 returned -16
binder: release 11781:11784 transaction 13 out, still active
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
binder: undelivered TRANSACTION_COMPLETE
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
binder: 11793 RLIMIT_NICE not set
kobject: 'loop2' (000000000e308381): kobject_uevent_env
binder: send failed reply for transaction 13, target dead
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
binder: send failed reply for transaction 14 to 11792:11795
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000b4ae1877): kobject_uevent_env
binder: 11807 RLIMIT_NICE not set
binder: release 11806:11807 transaction 16 out, still active
kobject: 'loop5' (00000000b4ae1877): fill_kobj_path: path = '/devices/virtual/block/loop5'
binder: undelivered TRANSACTION_COMPLETE
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
binder: send failed reply for transaction 16, target dead
binder: undelivered TRANSACTION_COMPLETE
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'loop4' (000000002cfc7a6b): kobject_uevent_env
kobject: 'loop4' (000000002cfc7a6b): fill_kobj_path: path = '/devices/virtual/block/loop4'
binder: 11823 RLIMIT_NICE not set
binder: BINDER_SET_CONTEXT_MGR already set
binder: 11825:11826 ioctl 40046207 0 returned -16
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
binder: 11826 RLIMIT_NICE not set
binder: send failed reply for transaction 18 to 11825:11833
kobject: 'loop2' (000000000e308381): kobject_uevent_env
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (00000000b4ae1877): kobject_uevent_env
binder: 11844 RLIMIT_NICE not set
kobject: 'loop5' (00000000b4ae1877): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (000000000e308381): kobject_uevent_env
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (00000000b4ae1877): kobject_uevent_env
kobject: 'loop5' (00000000b4ae1877): fill_kobj_path: path = '/devices/virtual/block/loop5'
binder: undelivered TRANSACTION_COMPLETE
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'loop4' (000000002cfc7a6b): kobject_uevent_env
binder: 11861 RLIMIT_NICE not set
kobject: 'loop4' (000000002cfc7a6b): fill_kobj_path: path = '/devices/virtual/block/loop4'
binder: release 11854:11855 transaction 20 out, still active
binder: undelivered TRANSACTION_COMPLETE
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
binder: send failed reply for transaction 20, target dead
kobject: 'loop4' (000000002cfc7a6b): kobject_uevent_env
binder: release 11873:11874 transaction 22 out, still active
binder: undelivered TRANSACTION_COMPLETE
kobject: 'loop4' (000000002cfc7a6b): fill_kobj_path: path = '/devices/virtual/block/loop4'
binder: send failed reply for transaction 22, target dead
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
binder: 11885:11887 transaction failed 29189/-22, size 0-0 line 2896
kobject: 'loop5' (00000000b4ae1877): kobject_uevent_env
kobject: 'loop5' (00000000b4ae1877): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop2' (000000000e308381): kobject_uevent_env
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'loop5' (00000000b4ae1877): kobject_uevent_env
kobject: 'loop5' (00000000b4ae1877): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
binder_alloc: 11890: binder_alloc_buf, no vma
kobject: 'loop2' (000000000e308381): kobject_uevent_env
binder: 11904:11905 transaction failed 29189/-3, size 0-0 line 3035
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'loop4' (000000002cfc7a6b): kobject_uevent_env
kobject: 'loop4' (000000002cfc7a6b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop4' (000000002cfc7a6b): kobject_uevent_env
kobject: 'loop4' (000000002cfc7a6b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000b4ae1877): kobject_uevent_env
kobject: 'loop5' (00000000b4ae1877): fill_kobj_path: path = '/devices/virtual/block/loop5'
binder: 11930:11942 transaction failed 29189/-22, size 0-0 line 2896
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
binder: BINDER_SET_CONTEXT_MGR already set
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
binder: 11953:11955 ioctl 40046207 0 returned -16
kobject: 'loop2' (000000000e308381): kobject_uevent_env
binder_alloc: 11937: binder_alloc_buf, no vma
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
binder: 11953:11958 transaction failed 29189/-3, size 0-0 line 3035
kobject: 'loop4' (000000002cfc7a6b): kobject_uevent_env
kobject: 'loop4' (000000002cfc7a6b): fill_kobj_path: path = '/devices/virtual/block/loop4'
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (000000000e308381): kobject_uevent_env
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (000000002cfc7a6b): kobject_uevent_env
kobject: 'loop4' (000000002cfc7a6b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (00000000b4ae1877): kobject_uevent_env
kobject: 'loop5' (00000000b4ae1877): fill_kobj_path: path = '/devices/virtual/block/loop5'
binder_alloc: 11973: binder_alloc_buf, no vma
binder: BINDER_SET_CONTEXT_MGR already set
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
binder: 11973:11974 transaction failed 29189/-3, size 0-0 line 3035
binder: 11967:11978 ioctl 40046207 0 returned -16
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (000000000e308381): kobject_uevent_env
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
binder_alloc: 11998: binder_alloc_buf, no vma
kobject: 'loop5' (00000000b4ae1877): kobject_uevent_env
binder: 11998:11999 transaction failed 29189/-3, size 0-0 line 3035
kobject: 'loop5' (00000000b4ae1877): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (000000002cfc7a6b): kobject_uevent_env
binder: undelivered TRANSACTION_ERROR: 29189
netlink: 32 bytes leftover after parsing attributes in process `syz-executor.1'.
kobject: 'loop4' (000000002cfc7a6b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (000000000e308381): kobject_uevent_env
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
binder: 12022:12023 transaction failed 29189/-22, size 0-0 line 2896
netlink: 'syz-executor.1': attribute type 10 has an invalid length.
kobject: 'loop5' (00000000b4ae1877): kobject_uevent_env
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'loop5' (00000000b4ae1877): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
binder: 12039:12041 transaction failed 29189/-22, size 0-0 line 2896
netlink: 'syz-executor.1': attribute type 10 has an invalid length.
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000b4ae1877): kobject_uevent_env
kobject: 'loop5' (00000000b4ae1877): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (000000002cfc7a6b): kobject_uevent_env
binder: 12056:12060 transaction failed 29189/-22, size 0-0 line 2896
netlink: 'syz-executor.1': attribute type 10 has an invalid length.
kobject: 'loop4' (000000002cfc7a6b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (00000000b4ae1877): kobject_uevent_env
kobject: 'loop5' (00000000b4ae1877): fill_kobj_path: path = '/devices/virtual/block/loop5'
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
netlink: 'syz-executor.1': attribute type 10 has an invalid length.
netlink: 'syz-executor.1': attribute type 10 has an invalid length.
kobject: 'loop2' (000000000e308381): kobject_uevent_env
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (000000002cfc7a6b): kobject_uevent_env
kobject: 'loop4' (000000002cfc7a6b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
netlink: 'syz-executor.1': attribute type 10 has an invalid length.
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
netlink: 'syz-executor.1': attribute type 10 has an invalid length.
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
binder_set_nice: 5 callbacks suppressed
binder: 12106 RLIMIT_NICE not set
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (000000000e308381): kobject_uevent_env
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
netlink: 'syz-executor.1': attribute type 10 has an invalid length.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.1'.
kobject: 'loop4' (000000002cfc7a6b): kobject_uevent_env
kobject: 'loop4' (000000002cfc7a6b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (000000002cfc7a6b): kobject_uevent_env
netlink: 'syz-executor.1': attribute type 10 has an invalid length.
kobject: 'loop4' (000000002cfc7a6b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (000000000e308381): kobject_uevent_env
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (000000002cfc7a6b): kobject_uevent_env
kobject: 'loop4' (000000002cfc7a6b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (00000000b4ae1877): kobject_uevent_env
kobject: 'loop5' (00000000b4ae1877): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (000000000e308381): kobject_uevent_env
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (000000000e308381): kobject_uevent_env
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (00000000b4ae1877): kobject_uevent_env
kobject: 'loop5' (00000000b4ae1877): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (000000000e308381): kobject_uevent_env
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (000000000e308381): kobject_uevent_env
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (000000000e308381): kobject_uevent_env
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
binder: 12164 RLIMIT_NICE not set
netlink: 'syz-executor.1': attribute type 10 has an invalid length.
binder: BINDER_SET_CONTEXT_MGR already set
binder_alloc: 12163: binder_alloc_buf, no vma
binder: 12170:12171 ioctl 40046207 0 returned -16
binder: 12170:12181 transaction failed 29189/-3, size 0-0 line 3035
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop4' (000000002cfc7a6b): kobject_uevent_env
kobject: 'loop4' (000000002cfc7a6b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (000000000e308381): kobject_uevent_env
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop5' (00000000b4ae1877): kobject_uevent_env
binder: 12211 RLIMIT_NICE not set
netlink: 32 bytes leftover after parsing attributes in process `syz-executor.1'.
kobject: 'loop5' (00000000b4ae1877): fill_kobj_path: path = '/devices/virtual/block/loop5'
binder: BINDER_SET_CONTEXT_MGR already set
binder: 12209:12221 ioctl 40046207 0 returned -16
binder_alloc: 12210: binder_alloc_buf, no vma
binder: 12209:12221 transaction failed 29189/-3, size 0-0 line 3035
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
binder: BINDER_SET_CONTEXT_MGR already set
netlink: 32 bytes leftover after parsing attributes in process `syz-executor.1'.
binder: 12224:12225 ioctl 40046207 0 returned -16
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
binder: BINDER_SET_CONTEXT_MGR already set
kobject: 'loop2' (000000000e308381): kobject_uevent_env
binder_alloc: 12210: binder_alloc_buf, no vma
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (000000002cfc7a6b): kobject_uevent_env
binder: 12233:12234 ioctl 40046207 0 returned -16
binder: 12224:12225 transaction failed 29189/-3, size 0-0 line 3035
binder: 12225 RLIMIT_NICE not set
binder_alloc: 12210: binder_alloc_buf, no vma
kobject: 'loop4' (000000002cfc7a6b): fill_kobj_path: path = '/devices/virtual/block/loop4'
binder: 12233:12238 transaction failed 29189/-3, size 0-0 line 3035
kobject: 'loop2' (000000000e308381): kobject_uevent_env
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (000000002cfc7a6b): kobject_uevent_env
kobject: 'loop4' (000000002cfc7a6b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (00000000b4ae1877): kobject_uevent_env
kobject: 'loop5' (00000000b4ae1877): fill_kobj_path: path = '/devices/virtual/block/loop5'
binder: 12254 RLIMIT_NICE not set
binder: BINDER_SET_CONTEXT_MGR already set
binder: 12246:12247 ioctl 40046207 0 returned -16
binder_alloc: 12249: binder_alloc_buf, no vma
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
binder: 12246:12247 transaction failed 29189/-3, size 0-0 line 3035
binder: undelivered TRANSACTION_ERROR: 29189
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'loop2' (000000000e308381): kobject_uevent_env
binder: BINDER_SET_CONTEXT_MGR already set
kobject: 'loop2' (000000000e308381): fill_kobj_path: path = '/devices/virtual/block/loop2'
binder: 12266:12270 ioctl 40046207 0 returned -16
binder: BINDER_SET_CONTEXT_MGR already set
kobject: 'loop4' (000000002cfc7a6b): kobject_uevent_env
binder: 12269:12271 ioctl 40046207 0 returned -16
binder_alloc: 12249: binder_alloc_buf, no vma
kobject: 'loop4' (000000002cfc7a6b): fill_kobj_path: path = '/devices/virtual/block/loop4'
binder_alloc: 12249: binder_alloc_buf, no vma
kobject: 'loop3' (0000000091aa8805): kobject_uevent_env
binder: 12266:12275 transaction failed 29189/-3, size 0-0 line 3035
kobject: 'loop3' (0000000091aa8805): fill_kobj_path: path = '/devices/virtual/block/loop3'
binder: 12269:12271 transaction failed 29189/-3, size 0-0 line 3035
binder: 12270 RLIMIT_NICE not set
kobject: 'loop1' (00000000041139b4): kobject_uevent_env
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'loop1' (00000000041139b4): fill_kobj_path: path = '/devices/virtual/block/loop1'