====================================================== WARNING: possible circular locking dependency detected 5.0.0+ #13 Not tainted ------------------------------------------------------ syz-executor.1/3838 is trying to acquire lock: 00000000c8f21dc0 (&sig->cred_guard_mutex){+.+.}, at: proc_pid_attr_write+0x200/0x580 fs/proc/base.c:2573 but task is already holding lock: 00000000ea08bc62 (&pipe->mutex/1){+.+.}, at: pipe_lock_nested fs/pipe.c:62 [inline] 00000000ea08bc62 (&pipe->mutex/1){+.+.}, at: pipe_lock+0x6e/0x80 fs/pipe.c:70 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&pipe->mutex/1){+.+.}: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:4202 __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:904 do_dentry_open+0x488/0x1160 fs/open.c:771 vfs_open+0xa0/0xd0 fs/open.c:880 do_last fs/namei.c:3416 [inline] path_openat+0x10e9/0x46e0 fs/namei.c:3532 do_filp_open+0x1a1/0x280 fs/namei.c:3562 do_open_execat+0x137/0x690 fs/exec.c:856 __do_execve_file.isra.0+0x178d/0x23f0 fs/exec.c:1758 do_execveat_common fs/exec.c:1865 [inline] compat_do_execve fs/exec.c:1909 [inline] __do_compat_sys_execve fs/exec.c:1979 [inline] __se_compat_sys_execve fs/exec.c:1975 [inline] __ia32_compat_sys_execve+0x94/0xc0 fs/exec.c:1975 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x281/0xc98 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 -> #0 (&sig->cred_guard_mutex){+.+.}: check_prevs_add kernel/locking/lockdep.c:2324 [inline] validate_chain kernel/locking/lockdep.c:2705 [inline] __lock_acquire+0x239c/0x3fb0 kernel/locking/lockdep.c:3692 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:4202 __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+0x200/0x580 fs/proc/base.c:2573 __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+0x70a/0x1490 fs/splice.c:1158 __do_sys_splice fs/splice.c:1428 [inline] __se_sys_splice fs/splice.c:1408 [inline] __ia32_sys_splice+0x2c4/0x330 fs/splice.c:1408 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x281/0xc98 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&pipe->mutex/1); lock(&sig->cred_guard_mutex); lock(&pipe->mutex/1); lock(&sig->cred_guard_mutex); *** DEADLOCK *** 2 locks held by syz-executor.1/3838: #0: 000000009b61ff21 (sb_writers#6){.+.+}, at: file_start_write include/linux/fs.h:2810 [inline] #0: 000000009b61ff21 (sb_writers#6){.+.+}, at: do_splice+0xdf9/0x1490 fs/splice.c:1157 #1: 00000000ea08bc62 (&pipe->mutex/1){+.+.}, at: pipe_lock_nested fs/pipe.c:62 [inline] #1: 00000000ea08bc62 (&pipe->mutex/1){+.+.}, at: pipe_lock+0x6e/0x80 fs/pipe.c:70 stack backtrace: CPU: 1 PID: 3838 Comm: syz-executor.1 Not tainted 5.0.0+ #13 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:1562 check_prev_add.constprop.0+0xf11/0x23c0 kernel/locking/lockdep.c:2211 check_prevs_add kernel/locking/lockdep.c:2324 [inline] validate_chain kernel/locking/lockdep.c:2705 [inline] __lock_acquire+0x239c/0x3fb0 kernel/locking/lockdep.c:3692 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:4202 __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+0x200/0x580 fs/proc/base.c:2573 __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+0x70a/0x1490 fs/splice.c:1158 __do_sys_splice fs/splice.c:1428 [inline] __se_sys_splice fs/splice.c:1408 [inline] __ia32_sys_splice+0x2c4/0x330 fs/splice.c:1408 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x281/0xc98 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7fe0869 Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f5dbb0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000139 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000010005 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000e148b691): kobject_uevent_env kobject: 'loop4' (00000000e148b691): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000001fef131b): kobject_uevent_env kobject: 'loop2' (000000001fef131b): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000e148b691): kobject_uevent_env kobject: 'loop4' (00000000e148b691): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000ec856d3c): kobject_uevent_env kobject: 'loop0' (00000000ec856d3c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (0000000021cae746): kobject_uevent_env kobject: 'loop1' (0000000021cae746): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000e148b691): kobject_uevent_env kobject: 'loop4' (00000000e148b691): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000001fef131b): kobject_uevent_env kobject: 'loop2' (000000001fef131b): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (0000000021cae746): kobject_uevent_env kobject: 'loop1' (0000000021cae746): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000ec856d3c): kobject_uevent_env kobject: 'loop0' (00000000ec856d3c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000e148b691): kobject_uevent_env kobject: 'loop4' (00000000e148b691): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000e148b691): kobject_uevent_env kobject: 'loop4' (00000000e148b691): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000001fef131b): kobject_uevent_env kobject: 'loop2' (000000001fef131b): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000e148b691): kobject_uevent_env kobject: 'loop4' (00000000e148b691): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000ec856d3c): kobject_uevent_env kobject: 'loop0' (00000000ec856d3c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (0000000021cae746): kobject_uevent_env kobject: 'loop1' (0000000021cae746): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000e148b691): kobject_uevent_env kobject: 'loop4' (00000000e148b691): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' net_ratelimit: 20 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 kobject: 'loop2' (000000001fef131b): kobject_uevent_env kobject: 'loop2' (000000001fef131b): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000e148b691): kobject_uevent_env kobject: 'loop4' (00000000e148b691): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000021cae746): kobject_uevent_env kobject: 'loop1' (0000000021cae746): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000ec856d3c): kobject_uevent_env kobject: 'loop0' (00000000ec856d3c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop2' (000000001fef131b): kobject_uevent_env kobject: 'loop2' (000000001fef131b): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000e148b691): kobject_uevent_env kobject: 'loop4' (00000000e148b691): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000021cae746): kobject_uevent_env kobject: 'loop1' (0000000021cae746): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000ec856d3c): kobject_uevent_env kobject: 'loop0' (00000000ec856d3c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000001fef131b): kobject_uevent_env kobject: 'loop2' (000000001fef131b): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000e148b691): kobject_uevent_env kobject: 'loop4' (00000000e148b691): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000021cae746): kobject_uevent_env kobject: 'loop1' (0000000021cae746): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000ec856d3c): kobject_uevent_env kobject: 'loop0' (00000000ec856d3c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000001fef131b): kobject_uevent_env kobject: 'loop2' (000000001fef131b): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000e148b691): kobject_uevent_env kobject: 'loop4' (00000000e148b691): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (0000000021cae746): kobject_uevent_env kobject: 'loop1' (0000000021cae746): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000ec856d3c): kobject_uevent_env kobject: 'loop0' (00000000ec856d3c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000001fef131b): kobject_uevent_env kobject: 'loop2' (000000001fef131b): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000e148b691): kobject_uevent_env kobject: 'loop4' (00000000e148b691): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000ec856d3c): kobject_uevent_env kobject: 'loop0' (00000000ec856d3c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (0000000021cae746): kobject_uevent_env kobject: 'loop1' (0000000021cae746): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000e148b691): kobject_uevent_env kobject: 'loop4' (00000000e148b691): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000001fef131b): kobject_uevent_env kobject: 'loop2' (000000001fef131b): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' net_ratelimit: 20 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 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: 'loop1' (0000000021cae746): kobject_uevent_env kobject: 'loop1' (0000000021cae746): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000ec856d3c): kobject_uevent_env kobject: 'loop0' (00000000ec856d3c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (0000000021cae746): kobject_uevent_env kobject: 'loop1' (0000000021cae746): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000001fef131b): kobject_uevent_env kobject: 'loop2' (000000001fef131b): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000e148b691): kobject_uevent_env kobject: 'loop4' (00000000e148b691): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): 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 kobject: 'loop3' (000000002f473adf): kobject_uevent_env kobject: 'loop3' (000000002f473adf): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000ec856d3c): kobject_uevent_env kobject: 'loop0' (00000000ec856d3c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000004241189c): kobject_uevent_env kobject: 'loop5' (000000004241189c): fill_kobj_path: path = '/devices/virtual/block/loop5'