attempt to access beyond end of device ====================================================== loop4: rw=1, want=130, limit=112 WARNING: possible circular locking dependency detected attempt to access beyond end of device 5.0.0+ #13 Not tainted ------------------------------------------------------ syz-executor.5/16773 is trying to acquire lock: 00000000afbcf9ff (&sig->cred_guard_mutex){+.+.}, at: proc_pid_attr_write+0x200/0x580 fs/proc/base.c:2573 but task is already holding lock: loop4: rw=1, want=131, limit=112 000000005e132ae5 (&pipe->mutex/1){+.+.}, at: pipe_lock_nested fs/pipe.c:62 [inline] 000000005e132ae5 (&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){+.+.}: attempt to access beyond end of device 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 loop4: rw=1, want=132, limit=112 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 attempt to access beyond end of device __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:1958 [inline] __se_sys_execve fs/exec.c:1953 [inline] __x64_sys_execve+0x8f/0xc0 fs/exec.c:1953 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&sig->cred_guard_mutex){+.+.}: loop4: rw=1, want=133, limit=112 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 attempt to access beyond end of device __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 loop4: rw=1, want=142, limit=112 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] __x64_sys_splice+0x2c6/0x330 fs/splice.c:1408 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe attempt to access beyond end of device 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); loop4: rw=1, want=143, limit=112 lock(&sig->cred_guard_mutex); *** DEADLOCK *** 2 locks held by syz-executor.5/16773: #0: 00000000d04955fb (sb_writers#6){.+.+}, at: file_start_write include/linux/fs.h:2810 [inline] #0: 00000000d04955fb (sb_writers#6){.+.+}, at: do_splice+0xdf9/0x1490 fs/splice.c:1157 #1: 000000005e132ae5 (&pipe->mutex/1){+.+.}, at: pipe_lock_nested fs/pipe.c:62 [inline] #1: 000000005e132ae5 (&pipe->mutex/1){+.+.}, at: pipe_lock+0x6e/0x80 fs/pipe.c:70 attempt to access beyond end of device stack backtrace: CPU: 1 PID: 16773 Comm: syz-executor.5 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 loop4: rw=1, want=144, limit=112 check_prev_add.constprop.0+0xf11/0x23c0 kernel/locking/lockdep.c:2211 attempt to access beyond end of device loop4: rw=1, want=145, limit=112 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 attempt to access beyond end of device __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1310 kernel/locking/mutex.c:1072 loop4: rw=1, want=2137, limit=112 attempt to access beyond end of device loop4: rw=1, want=2166, limit=112 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 attempt to access beyond end of device __kernel_write+0x110/0x3b0 fs/read_write.c:506 loop4: rw=1, want=2167, limit=112 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 attempt to access beyond end of device splice_from_pipe+0x108/0x170 fs/splice.c:662 default_file_splice_write+0x3c/0x90 fs/splice.c:809 loop4: rw=1, want=2168, limit=112 do_splice_from fs/splice.c:851 [inline] do_splice+0x70a/0x1490 fs/splice.c:1158 attempt to access beyond end of device __do_sys_splice fs/splice.c:1428 [inline] __se_sys_splice fs/splice.c:1408 [inline] __x64_sys_splice+0x2c6/0x330 fs/splice.c:1408 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457f29 loop4: rw=1, want=2169, limit=112 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:00007ff2c81e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000457f29 RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 00000000000003fc R09: 0000000000000000 attempt to access beyond end of device R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff2c81e46d4 R13: 00000000004c6d75 R14: 00000000004db970 R15: 00000000ffffffff protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (000000009f60294e): kobject_uevent_env loop4: rw=1, want=2190, limit=112 kobject: 'loop0' (00000000366ddebf): kobject_uevent_env attempt to access beyond end of device kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000009f60294e): fill_kobj_path: path = '/devices/virtual/block/loop5' loop4: rw=1, want=2191, limit=112 kobject: 'loop2' (00000000b22f0992): kobject_uevent_env attempt to access beyond end of device kobject: 'loop2' (00000000b22f0992): fill_kobj_path: path = '/devices/virtual/block/loop2' loop4: rw=1, want=2192, limit=112 kobject: 'loop0' (00000000366ddebf): kobject_uevent_env attempt to access beyond end of device loop4: rw=1, want=2193, limit=112 attempt to access beyond end of device loop4: rw=1, want=2242, limit=112 attempt to access beyond end of device loop4: rw=1, want=2243, limit=112 kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' attempt to access beyond end of device loop4: rw=1, want=2244, limit=112 attempt to access beyond end of device loop4: rw=1, want=2245, limit=112 attempt to access beyond end of device loop4: rw=1, want=2254, limit=112 attempt to access beyond end of device loop4: rw=1, want=2255, limit=112 attempt to access beyond end of device loop4: rw=1, want=2256, limit=112 attempt to access beyond end of device loop4: rw=1, want=2257, limit=112 attempt to access beyond end of device loop4: rw=1, want=6353, limit=112 attempt to access beyond end of device loop4: rw=1, want=10449, limit=112 attempt to access beyond end of device loop4: rw=1, want=14545, limit=112 attempt to access beyond end of device loop4: rw=1, want=18641, limit=112 attempt to access beyond end of device loop4: rw=1, want=22737, limit=112 kobject: 'loop0' (00000000366ddebf): kobject_uevent_env attempt to access beyond end of device kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' loop4: rw=1, want=26833, limit=112 attempt to access beyond end of device loop4: rw=1, want=30929, limit=112 attempt to access beyond end of device loop4: rw=1, want=32993, limit=112 kobject: 'loop2' (00000000b22f0992): kobject_uevent_env kobject: 'loop2' (00000000b22f0992): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000009f60294e): kobject_uevent_env kobject: 'loop5' (000000009f60294e): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' attempt to access beyond end of device loop4: rw=1, want=130, limit=112 kobject: 'loop5' (000000009f60294e): kobject_uevent_env buffer_io_error: 42 callbacks suppressed Buffer I/O error on dev loop4, logical block 129, lost async page write kobject: 'loop5' (000000009f60294e): fill_kobj_path: path = '/devices/virtual/block/loop5' attempt to access beyond end of device kobject: 'loop0' (00000000366ddebf): kobject_uevent_env kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' loop4: rw=1, want=131, limit=112 Buffer I/O error on dev loop4, logical block 130, lost async page write attempt to access beyond end of device loop4: rw=1, want=132, limit=112 kobject: 'loop0' (00000000366ddebf): kobject_uevent_env Buffer I/O error on dev loop4, logical block 131, lost async page write kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' attempt to access beyond end of device loop4: rw=1, want=133, limit=112 Buffer I/O error on dev loop4, logical block 132, lost async page write attempt to access beyond end of device kobject: 'loop5' (000000009f60294e): kobject_uevent_env kobject: 'loop0' (00000000366ddebf): kobject_uevent_env kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000009f60294e): fill_kobj_path: path = '/devices/virtual/block/loop5' loop4: rw=1, want=142, limit=112 Buffer I/O error on dev loop4, logical block 141, lost async page write kobject: 'loop0' (00000000366ddebf): kobject_uevent_env attempt to access beyond end of device loop4: rw=1, want=143, limit=112 Buffer I/O error on dev loop4, logical block 142, lost async page write kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' attempt to access beyond end of device kobject: 'loop0' (00000000366ddebf): kobject_uevent_env kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' loop4: rw=1, want=144, limit=112 Buffer I/O error on dev loop4, logical block 143, lost async page write attempt to access beyond end of device loop4: rw=1, want=145, limit=112 Buffer I/O error on dev loop4, logical block 144, lost async page write attempt to access beyond end of device loop4: rw=1, want=2073, limit=112 attempt to access beyond end of device loop4: rw=1, want=2102, limit=112 Buffer I/O error on dev loop4, logical block 2101, lost async page write attempt to access beyond end of device kobject: 'loop0' (00000000366ddebf): kobject_uevent_env loop4: rw=1, want=2103, limit=112 kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' Buffer I/O error on dev loop4, logical block 2102, lost async page write attempt to access beyond end of device loop4: rw=1, want=2104, limit=112 attempt to access beyond end of device loop4: rw=1, want=2105, limit=112 attempt to access beyond end of device loop4: rw=1, want=2126, limit=112 attempt to access beyond end of device loop4: rw=1, want=2127, limit=112 attempt to access beyond end of device loop4: rw=1, want=2128, limit=112 attempt to access beyond end of device loop4: rw=1, want=2129, limit=112 attempt to access beyond end of device loop4: rw=1, want=2178, limit=112 attempt to access beyond end of device loop4: rw=1, want=2179, limit=112 attempt to access beyond end of device loop4: rw=1, want=2180, limit=112 attempt to access beyond end of device loop4: rw=1, want=2181, limit=112 attempt to access beyond end of device loop4: rw=1, want=2190, limit=112 attempt to access beyond end of device loop4: rw=1, want=2191, limit=112 attempt to access beyond end of device loop4: rw=1, want=2192, limit=112 attempt to access beyond end of device loop4: rw=1, want=2193, limit=112 kobject: 'loop2' (00000000b22f0992): kobject_uevent_env attempt to access beyond end of device kobject: 'loop2' (00000000b22f0992): fill_kobj_path: path = '/devices/virtual/block/loop2' loop4: rw=1, want=6289, limit=112 attempt to access beyond end of device loop4: rw=1, want=10385, limit=112 attempt to access beyond end of device loop4: rw=1, want=14481, limit=112 attempt to access beyond end of device loop4: rw=1, want=18577, limit=112 attempt to access beyond end of device loop4: rw=1, want=22673, limit=112 attempt to access beyond end of device loop4: rw=1, want=26769, limit=112 attempt to access beyond end of device loop4: rw=1, want=30865, limit=112 attempt to access beyond end of device loop4: rw=1, want=32993, limit=112 kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000009f60294e): kobject_uevent_env kobject: 'loop5' (000000009f60294e): fill_kobj_path: path = '/devices/virtual/block/loop5' attempt to access beyond end of device loop4: rw=1, want=130, limit=112 attempt to access beyond end of device loop4: rw=1, want=131, limit=112 attempt to access beyond end of device kobject: 'loop5' (000000009f60294e): kobject_uevent_env loop4: rw=1, want=132, limit=112 kobject: 'loop5' (000000009f60294e): fill_kobj_path: path = '/devices/virtual/block/loop5' attempt to access beyond end of device kobject: 'loop0' (00000000366ddebf): kobject_uevent_env kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' loop4: rw=1, want=133, limit=112 attempt to access beyond end of device loop4: rw=1, want=142, limit=112 attempt to access beyond end of device loop4: rw=1, want=143, limit=112 kobject: 'loop5' (000000009f60294e): kobject_uevent_env attempt to access beyond end of device kobject: 'loop5' (000000009f60294e): fill_kobj_path: path = '/devices/virtual/block/loop5' loop4: rw=1, want=144, limit=112 attempt to access beyond end of device loop4: rw=1, want=145, limit=112 attempt to access beyond end of device kobject: 'loop0' (00000000366ddebf): kobject_uevent_env kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' loop4: rw=1, want=2585, limit=112 attempt to access beyond end of device loop4: rw=1, want=2614, limit=112 attempt to access beyond end of device loop4: rw=1, want=2615, limit=112 attempt to access beyond end of device kobject: 'loop0' (00000000366ddebf): kobject_uevent_env loop4: rw=1, want=2616, limit=112 kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' attempt to access beyond end of device loop4: rw=1, want=2617, limit=112 attempt to access beyond end of device loop4: rw=1, want=2638, limit=112 attempt to access beyond end of device loop4: rw=1, want=2639, limit=112 attempt to access beyond end of device loop4: rw=1, want=2640, limit=112 attempt to access beyond end of device loop4: rw=1, want=2641, limit=112 attempt to access beyond end of device loop4: rw=1, want=2690, limit=112 kobject: 'loop0' (00000000366ddebf): kobject_uevent_env attempt to access beyond end of device kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' loop4: rw=1, want=2691, limit=112 attempt to access beyond end of device loop4: rw=1, want=2692, limit=112 attempt to access beyond end of device loop4: rw=1, want=2693, limit=112 attempt to access beyond end of device loop4: rw=1, want=2702, limit=112 kobject: 'loop2' (00000000b22f0992): kobject_uevent_env kobject: 'loop2' (00000000b22f0992): fill_kobj_path: path = '/devices/virtual/block/loop2' attempt to access beyond end of device loop4: rw=1, want=2703, limit=112 attempt to access beyond end of device loop4: rw=1, want=2704, limit=112 attempt to access beyond end of device loop4: rw=1, want=2705, limit=112 attempt to access beyond end of device loop4: rw=1, want=6801, limit=112 attempt to access beyond end of device loop4: rw=1, want=10897, limit=112 attempt to access beyond end of device loop4: rw=1, want=14993, limit=112 attempt to access beyond end of device loop4: rw=1, want=19089, limit=112 attempt to access beyond end of device loop4: rw=1, want=23185, limit=112 attempt to access beyond end of device loop4: rw=1, want=27281, limit=112 attempt to access beyond end of device loop4: rw=1, want=31377, limit=112 attempt to access beyond end of device loop4: rw=1, want=32993, limit=112 kobject: 'loop5' (000000009f60294e): kobject_uevent_env kobject: 'loop5' (000000009f60294e): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' attempt to access beyond end of device loop4: rw=1, want=130, limit=112 attempt to access beyond end of device loop4: rw=1, want=131, limit=112 attempt to access beyond end of device loop4: rw=1, want=132, limit=112 attempt to access beyond end of device loop4: rw=1, want=133, limit=112 kobject: 'loop0' (00000000366ddebf): kobject_uevent_env kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' attempt to access beyond end of device loop4: rw=1, want=142, limit=112 kobject: 'loop5' (000000009f60294e): kobject_uevent_env attempt to access beyond end of device kobject: 'loop5' (000000009f60294e): fill_kobj_path: path = '/devices/virtual/block/loop5' loop4: rw=1, want=143, limit=112 attempt to access beyond end of device loop4: rw=1, want=144, limit=112 attempt to access beyond end of device loop4: rw=1, want=145, limit=112 attempt to access beyond end of device kobject: 'loop0' (00000000366ddebf): kobject_uevent_env loop4: rw=1, want=1433, limit=112 kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (00000000366ddebf): kobject_uevent_env kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' attempt to access beyond end of device loop4: rw=1, want=1462, limit=112 attempt to access beyond end of device loop4: rw=1, want=1463, limit=112 attempt to access beyond end of device loop4: rw=1, want=1464, limit=112 attempt to access beyond end of device loop4: rw=1, want=1465, limit=112 attempt to access beyond end of device kobject: 'loop0' (00000000366ddebf): kobject_uevent_env loop4: rw=1, want=1486, limit=112 kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' attempt to access beyond end of device loop4: rw=1, want=1487, limit=112 kobject: 'loop0' (00000000366ddebf): kobject_uevent_env attempt to access beyond end of device loop4: rw=1, want=1488, limit=112 attempt to access beyond end of device loop4: rw=1, want=1489, limit=112 attempt to access beyond end of device kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' loop4: rw=1, want=1538, limit=112 attempt to access beyond end of device loop4: rw=1, want=1539, limit=112 attempt to access beyond end of device loop4: rw=1, want=1540, limit=112 attempt to access beyond end of device loop4: rw=1, want=1541, limit=112 attempt to access beyond end of device loop4: rw=1, want=1550, limit=112 kobject: 'loop5' (000000009f60294e): kobject_uevent_env attempt to access beyond end of device kobject: 'loop5' (000000009f60294e): fill_kobj_path: path = '/devices/virtual/block/loop5' loop4: rw=1, want=1551, limit=112 attempt to access beyond end of device loop4: rw=1, want=1552, limit=112 attempt to access beyond end of device loop4: rw=1, want=1553, limit=112 kobject: 'loop0' (00000000366ddebf): kobject_uevent_env kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' attempt to access beyond end of device loop4: rw=1, want=5649, limit=112 net_ratelimit: 26 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 attempt to access beyond end of device protocol 88fb is buggy, dev hsr_slave_1 loop4: rw=1, want=9745, limit=112 protocol 88fb is buggy, dev hsr_slave_0 attempt to access beyond end of device protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 loop4: rw=1, want=13841, limit=112 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 attempt to access beyond end of device loop4: rw=1, want=17937, limit=112 protocol 88fb is buggy, dev hsr_slave_1 attempt to access beyond end of device loop4: rw=1, want=22033, limit=112 attempt to access beyond end of device loop4: rw=1, want=26129, limit=112 attempt to access beyond end of device loop4: rw=1, want=30225, limit=112 attempt to access beyond end of device loop4: rw=1, want=32993, limit=112 kobject: 'loop2' (00000000b22f0992): kobject_uevent_env kobject: 'loop2' (00000000b22f0992): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (000000009f60294e): kobject_uevent_env kobject: 'loop5' (000000009f60294e): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000366ddebf): kobject_uevent_env kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' attempt to access beyond end of device loop1: rw=1, want=16177, limit=112 kobject: 'loop0' (00000000366ddebf): kobject_uevent_env kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000009f60294e): kobject_uevent_env kobject: 'loop5' (000000009f60294e): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000366ddebf): kobject_uevent_env kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000366ddebf): kobject_uevent_env kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000009f60294e): kobject_uevent_env kobject: 'loop5' (000000009f60294e): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000b22f0992): kobject_uevent_env kobject: 'loop2' (00000000b22f0992): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000366ddebf): kobject_uevent_env kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000b22f0992): kobject_uevent_env kobject: 'loop2' (00000000b22f0992): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000009f60294e): kobject_uevent_env attempt to access beyond end of device loop0: rw=1, want=130, limit=112 kobject: 'loop5' (000000009f60294e): fill_kobj_path: path = '/devices/virtual/block/loop5' buffer_io_error: 62 callbacks suppressed Buffer I/O error on dev loop0, logical block 129, lost async page write kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env attempt to access beyond end of device kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' loop0: rw=1, want=131, limit=112 Buffer I/O error on dev loop0, logical block 130, lost async page write kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' attempt to access beyond end of device loop0: rw=1, want=132, limit=112 Buffer I/O error on dev loop0, logical block 131, lost async page write kobject: 'loop5' (000000009f60294e): kobject_uevent_env attempt to access beyond end of device loop0: rw=1, want=133, limit=112 Buffer I/O error on dev loop0, logical block 132, lost async page write kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop5' (000000009f60294e): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' attempt to access beyond end of device loop0: rw=1, want=142, limit=112 Buffer I/O error on dev loop0, logical block 141, lost async page write attempt to access beyond end of device loop0: rw=1, want=143, limit=112 Buffer I/O error on dev loop0, logical block 142, lost async page write attempt to access beyond end of device loop0: rw=1, want=144, limit=112 Buffer I/O error on dev loop0, logical block 143, lost async page write attempt to access beyond end of device loop0: rw=1, want=145, limit=112 Buffer I/O error on dev loop0, logical block 144, lost async page write attempt to access beyond end of device loop0: rw=1, want=4241, limit=112 kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' attempt to access beyond end of device loop0: rw=1, want=8337, limit=112 kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' attempt to access beyond end of device loop0: rw=1, want=12433, limit=112 attempt to access beyond end of device loop0: rw=1, want=16529, limit=112 kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env attempt to access beyond end of device loop0: rw=1, want=18041, limit=112 kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000366ddebf): kobject_uevent_env kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (00000000366ddebf): kobject_uevent_env kobject: 'loop0' (00000000366ddebf): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000b22f0992): kobject_uevent_env kobject: 'loop2' (00000000b22f0992): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000009f60294e): kobject_uevent_env kobject: 'loop5' (000000009f60294e): fill_kobj_path: path = '/devices/virtual/block/loop5' attempt to access beyond end of device loop0: rw=1, want=130, limit=112 Buffer I/O error on dev loop0, logical block 129, lost async page write kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' attempt to access beyond end of device loop0: rw=1, want=131, limit=112 Buffer I/O error on dev loop0, logical block 130, lost async page write attempt to access beyond end of device loop0: rw=1, want=132, limit=112 kobject: 'loop4' (0000000084c3cf60): kobject_uevent_env kobject: 'loop4' (0000000084c3cf60): fill_kobj_path: path = '/devices/virtual/block/loop4' attempt to access beyond end of device loop0: rw=1, want=133, limit=112 attempt to access beyond end of device loop0: rw=1, want=142, limit=112 attempt to access beyond end of device loop0: rw=1, want=143, limit=112 attempt to access beyond end of device loop0: rw=1, want=144, limit=112 attempt to access beyond end of device loop0: rw=1, want=145, limit=112