====================================================== WARNING: possible circular locking dependency detected 5.0.0-rc1+ #19 Not tainted ------------------------------------------------------ syz-executor4/9818 is trying to acquire lock: 000000005c79b7a6 (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:636 but task is already holding lock: 00000000074e359b (&pipe->mutex/1){+.+.}, at: pipe_lock_nested fs/pipe.c:62 [inline] 00000000074e359b (&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: -> #4 (&pipe->mutex/1){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x12f/0x1670 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 pipe_lock_nested fs/pipe.c:62 [inline] pipe_lock+0x6e/0x80 fs/pipe.c:70 iter_file_splice_write+0x284/0xfc0 fs/splice.c:700 do_splice_from fs/splice.c:851 [inline] do_splice+0x64b/0x1410 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+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #3 (sb_writers#4){.+.+}: percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] __sb_start_write+0x20b/0x360 fs/super.c:1389 sb_start_write include/linux/fs.h:1602 [inline] mnt_want_write+0x3f/0xc0 fs/namespace.c:357 ovl_want_write+0x76/0xa0 fs/overlayfs/util.c:24 ovl_create_object+0x146/0x3b0 fs/overlayfs/dir.c:599 ovl_create+0x28/0x30 fs/overlayfs/dir.c:630 lookup_open+0x1332/0x1b80 fs/namei.c:3234 do_last fs/namei.c:3324 [inline] path_openat+0x1983/0x5650 fs/namei.c:3534 PM: Basic memory bitmaps created do_filp_open+0x26f/0x370 fs/namei.c:3564 do_sys_open+0x59a/0x7c0 fs/open.c:1063 __do_sys_openat fs/open.c:1090 [inline] __se_sys_openat fs/open.c:1084 [inline] __x64_sys_openat+0x9d/0x100 fs/open.c:1084 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe PM: Basic memory bitmaps freed -> #2 (&ovl_i_mutex_dir_key[depth]){++++}: down_read+0x8d/0x120 kernel/locking/rwsem.c:24 inode_lock_shared include/linux/fs.h:767 [inline] lookup_slow+0x4a/0x80 fs/namei.c:1687 walk_component+0x8e5/0x26a0 fs/namei.c:1810 kobject: 'loop0' (00000000016ca69e): kobject_uevent_env link_path_walk.part.0+0xa57/0x1550 fs/namei.c:2141 kobject: 'loop0' (00000000016ca69e): fill_kobj_path: path = '/devices/virtual/block/loop0' link_path_walk fs/namei.c:2072 [inline] path_openat+0x222/0x5650 fs/namei.c:3533 do_filp_open+0x26f/0x370 fs/namei.c:3564 file_open_name+0x39e/0x590 fs/open.c:1010 filp_open+0x4c/0x80 fs/open.c:1030 kobject: 'loop2' (00000000e2fb39bc): kobject_uevent_env kernel_read_file_from_path+0x84/0x100 fs/exec.c:974 fw_get_filesystem_firmware drivers/base/firmware_loader/main.c:328 [inline] _request_firmware+0xa73/0x15c0 drivers/base/firmware_loader/main.c:587 request_firmware+0x38/0x50 drivers/base/firmware_loader/main.c:636 kobject: 'loop2' (00000000e2fb39bc): fill_kobj_path: path = '/devices/virtual/block/loop2' reg_reload_regdb+0x84/0x2e0 net/wireless/reg.c:1073 nl80211_reload_regdb+0xe/0x10 net/wireless/nl80211.c:6188 kobject: 'loop1' (00000000a9fd9365): kobject_uevent_env genl_family_rcv_msg+0x80d/0x11a0 net/netlink/genetlink.c:601 genl_rcv_msg+0xca/0x16c net/netlink/genetlink.c:626 netlink_rcv_skb+0x17d/0x410 net/netlink/af_netlink.c:2477 genl_rcv+0x29/0x40 net/netlink/genetlink.c:637 kobject: 'loop1' (00000000a9fd9365): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x574/0x770 net/netlink/af_netlink.c:1336 netlink_sendmsg+0xa05/0xf90 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 ___sys_sendmsg+0x7ec/0x910 net/socket.c:2116 __sys_sendmsg+0x112/0x270 net/socket.c:2154 __do_sys_sendmsg net/socket.c:2163 [inline] __se_sys_sendmsg net/socket.c:2161 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2161 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #1 (genl_mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x12f/0x1670 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 genl_lock net/netlink/genetlink.c:33 [inline] genl_lock_all net/netlink/genetlink.c:54 [inline] genl_register_family net/netlink/genetlink.c:331 [inline] genl_register_family+0x273/0x1450 net/netlink/genetlink.c:322 genl_init+0x17/0x6e net/netlink/genetlink.c:1046 do_one_initcall+0x129/0x937 init/main.c:888 do_initcall_level init/main.c:956 [inline] do_initcalls init/main.c:964 [inline] do_basic_setup init/main.c:982 [inline] kernel_init_freeable+0x4db/0x5ca init/main.c:1135 kernel_init+0x12/0x1c5 init/main.c:1055 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 -> #0 (cb_lock){++++}: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 down_read+0x8d/0x120 kernel/locking/rwsem.c:24 genl_rcv+0x1a/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x574/0x770 net/netlink/af_netlink.c:1336 netlink_sendmsg+0xa05/0xf90 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 kernel_sendmsg+0x44/0x50 net/socket.c:639 sock_no_sendpage+0x1cd/0x260 net/core/sock.c:2587 kernel_sendpage+0x95/0xf0 net/socket.c:3360 sock_sendpage+0x8b/0xc0 net/socket.c:846 pipe_to_sendpage+0x2b4/0x390 fs/splice.c:452 splice_from_pipe_feed fs/splice.c:503 [inline] __splice_from_pipe+0x39a/0x7e0 fs/splice.c:627 splice_from_pipe+0x1ea/0x310 fs/splice.c:662 generic_splice_sendpage+0x3c/0x50 fs/splice.c:832 do_splice_from fs/splice.c:851 [inline] do_splice+0x64b/0x1410 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+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Chain exists of: cb_lock --> sb_writers#4 --> &pipe->mutex/1 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&pipe->mutex/1); lock(sb_writers#4); lock(&pipe->mutex/1); lock(cb_lock); *** DEADLOCK *** 1 lock held by syz-executor4/9818: #0: 00000000074e359b (&pipe->mutex/1){+.+.}, at: pipe_lock_nested fs/pipe.c:62 [inline] #0: 00000000074e359b (&pipe->mutex/1){+.+.}, at: pipe_lock+0x6e/0x80 fs/pipe.c:70 stack backtrace: CPU: 1 PID: 9818 Comm: syz-executor4 Not tainted 5.0.0-rc1+ #19 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+0x1db/0x2d0 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+0x3014/0x4a30 kernel/locking/lockdep.c:3338 lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 down_read+0x8d/0x120 kernel/locking/rwsem.c:24 genl_rcv+0x1a/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x574/0x770 net/netlink/af_netlink.c:1336 netlink_sendmsg+0xa05/0xf90 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 kernel_sendmsg+0x44/0x50 net/socket.c:639 sock_no_sendpage+0x1cd/0x260 net/core/sock.c:2587 kernel_sendpage+0x95/0xf0 net/socket.c:3360 sock_sendpage+0x8b/0xc0 net/socket.c:846 pipe_to_sendpage+0x2b4/0x390 fs/splice.c:452 splice_from_pipe_feed fs/splice.c:503 [inline] __splice_from_pipe+0x39a/0x7e0 fs/splice.c:627 splice_from_pipe+0x1ea/0x310 fs/splice.c:662 generic_splice_sendpage+0x3c/0x50 fs/splice.c:832 do_splice_from fs/splice.c:851 [inline] do_splice+0x64b/0x1410 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+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457ec9 Code: 6d b7 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007efe4b3c4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000457ec9 RDX: 0000000000000007 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 000000000073bfa0 R08: 0000000000010005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007efe4b3c56d4 R13: 00000000004c6b03 R14: 00000000004db2a8 R15: 00000000ffffffff 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: 'loop1' (00000000a9fd9365): kobject_uevent_env kobject: 'loop1' (00000000a9fd9365): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000009b3748cc): kobject_uevent_env kobject: 'loop5' (000000009b3748cc): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000e85e5389): kobject_uevent_env kobject: 'loop3' (00000000e85e5389): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000a9fd9365): kobject_uevent_env kobject: 'loop1' (00000000a9fd9365): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000016ca69e): kobject_uevent_env kobject: 'loop0' (00000000016ca69e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000001bbb4ef4): kobject_uevent_env kobject: 'loop4' (000000001bbb4ef4): fill_kobj_path: path = '/devices/virtual/block/loop4' PM: Marking nosave pages: [mem 0x00000000-0x00000fff] PM: Marking nosave pages: [mem 0x0009f000-0x000fffff] PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff] kobject: 'loop1' (00000000a9fd9365): kobject_uevent_env kobject: 'loop1' (00000000a9fd9365): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000016ca69e): kobject_uevent_env kobject: 'loop0' (00000000016ca69e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000a9fd9365): kobject_uevent_env kobject: 'loop1' (00000000a9fd9365): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'nullb0' (00000000cfa0c564): kobject_uevent_env kobject: 'nullb0' (00000000cfa0c564): fill_kobj_path: path = '/devices/virtual/block/nullb0' PM: Basic memory bitmaps created kobject: 'loop2' (00000000e2fb39bc): kobject_uevent_env kobject: 'loop2' (00000000e2fb39bc): fill_kobj_path: path = '/devices/virtual/block/loop2' PM: Basic memory bitmaps freed kobject: 'loop3' (00000000e85e5389): kobject_uevent_env kobject: 'loop3' (00000000e85e5389): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000001bbb4ef4): kobject_uevent_env PM: Marking nosave pages: [mem 0x00000000-0x00000fff] kobject: 'loop4' (000000001bbb4ef4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000009b3748cc): kobject_uevent_env PM: Marking nosave pages: [mem 0x0009f000-0x000fffff] kobject: 'loop5' (000000009b3748cc): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000a9fd9365): kobject_uevent_env PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff] kobject: 'loop1' (00000000a9fd9365): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000016ca69e): kobject_uevent_env kobject: 'loop0' (00000000016ca69e): fill_kobj_path: path = '/devices/virtual/block/loop0' PM: Basic memory bitmaps created PM: Basic memory bitmaps freed kobject: 'loop3' (00000000e85e5389): kobject_uevent_env kobject: 'loop3' (00000000e85e5389): fill_kobj_path: path = '/devices/virtual/block/loop3' PM: Marking nosave pages: [mem 0x00000000-0x00000fff] PM: Marking nosave pages: [mem 0x0009f000-0x000fffff] kobject: 'nullb0' (00000000cfa0c564): kobject_uevent_env PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff] kobject: 'nullb0' (00000000cfa0c564): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop0' (00000000016ca69e): kobject_uevent_env kobject: 'loop0' (00000000016ca69e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000a9fd9365): kobject_uevent_env kobject: 'loop1' (00000000a9fd9365): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000001bbb4ef4): kobject_uevent_env kobject: 'loop4' (000000001bbb4ef4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'nullb0' (00000000cfa0c564): kobject_uevent_env kobject: 'nullb0' (00000000cfa0c564): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop2' (00000000e2fb39bc): kobject_uevent_env kobject: 'loop2' (00000000e2fb39bc): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000009b3748cc): kobject_uevent_env PM: Basic memory bitmaps created kobject: 'loop5' (000000009b3748cc): fill_kobj_path: path = '/devices/virtual/block/loop5' PM: Basic memory bitmaps freed kobject: 'nullb0' (00000000cfa0c564): kobject_uevent_env kobject: 'nullb0' (00000000cfa0c564): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop0' (00000000016ca69e): kobject_uevent_env kobject: 'loop0' (00000000016ca69e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000e85e5389): kobject_uevent_env kobject: 'loop3' (00000000e85e5389): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000001bbb4ef4): kobject_uevent_env kobject: 'loop4' (000000001bbb4ef4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'nullb0' (00000000cfa0c564): kobject_uevent_env kobject: 'nullb0' (00000000cfa0c564): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop1' (00000000a9fd9365): kobject_uevent_env kobject: 'loop1' (00000000a9fd9365): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000e2fb39bc): kobject_uevent_env kobject: 'loop2' (00000000e2fb39bc): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'nullb0' (00000000cfa0c564): kobject_uevent_env kobject: 'nullb0' (00000000cfa0c564): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop0' (00000000016ca69e): kobject_uevent_env kobject: 'loop0' (00000000016ca69e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000e85e5389): kobject_uevent_env kobject: 'loop3' (00000000e85e5389): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000001bbb4ef4): kobject_uevent_env kobject: 'loop4' (000000001bbb4ef4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000009b3748cc): kobject_uevent_env kobject: 'loop5' (000000009b3748cc): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'nullb0' (00000000cfa0c564): kobject_uevent_env kobject: 'nullb0' (00000000cfa0c564): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop3' (00000000e85e5389): kobject_uevent_env kobject: 'loop3' (00000000e85e5389): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000001bbb4ef4): kobject_uevent_env kobject: 'loop4' (000000001bbb4ef4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000a9fd9365): kobject_uevent_env kobject: 'loop1' (00000000a9fd9365): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'nullb0' (00000000cfa0c564): kobject_uevent_env kobject: 'nullb0' (00000000cfa0c564): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop0' (00000000016ca69e): kobject_uevent_env kobject: 'loop0' (00000000016ca69e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000e2fb39bc): kobject_uevent_env kobject: 'loop2' (00000000e2fb39bc): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'nullb0' (00000000cfa0c564): kobject_uevent_env kobject: 'nullb0' (00000000cfa0c564): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop5' (000000009b3748cc): kobject_uevent_env PM: Marking nosave pages: [mem 0x00000000-0x00000fff] kobject: 'loop5' (000000009b3748cc): fill_kobj_path: path = '/devices/virtual/block/loop5' PM: Marking nosave pages: [mem 0x0009f000-0x000fffff] kobject: 'nullb0' (00000000cfa0c564): kobject_uevent_env PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff] kobject: 'nullb0' (00000000cfa0c564): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop2' (00000000e2fb39bc): kobject_uevent_env kobject: 'loop2' (00000000e2fb39bc): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'nullb0' (00000000cfa0c564): kobject_uevent_env kobject: 'nullb0' (00000000cfa0c564): fill_kobj_path: path = '/devices/virtual/block/nullb0' net_ratelimit: 14 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 kobject: 'nullb0' (00000000cfa0c564): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_1 kobject: 'nullb0' (00000000cfa0c564): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'nullb0' (00000000cfa0c564): kobject_uevent_env kobject: 'nullb0' (00000000cfa0c564): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop0' (00000000016ca69e): kobject_uevent_env kobject: 'loop0' (00000000016ca69e): fill_kobj_path: path = '/devices/virtual/block/loop0' PM: Basic memory bitmaps created kobject: 'nullb0' (00000000cfa0c564): kobject_uevent_env kobject: 'nullb0' (00000000cfa0c564): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop3' (00000000e85e5389): kobject_uevent_env kobject: 'loop3' (00000000e85e5389): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'nullb0' (00000000cfa0c564): kobject_uevent_env kobject: 'nullb0' (00000000cfa0c564): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop5' (000000009b3748cc): kobject_uevent_env PM: Basic memory bitmaps freed kobject: 'loop5' (000000009b3748cc): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000a9fd9365): kobject_uevent_env kobject: 'loop1' (00000000a9fd9365): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000016ca69e): kobject_uevent_env kobject: 'loop0' (00000000016ca69e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000009b3748cc): kobject_uevent_env kobject: 'loop5' (000000009b3748cc): fill_kobj_path: path = '/devices/virtual/block/loop5' PM: Marking nosave pages: [mem 0x00000000-0x00000fff] PM: Marking nosave pages: [mem 0x0009f000-0x000fffff] PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff] kobject: 'loop3' (00000000e85e5389): kobject_uevent_env kobject: 'loop3' (00000000e85e5389): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000016ca69e): kobject_uevent_env kobject: 'loop0' (00000000016ca69e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000001bbb4ef4): kobject_uevent_env kobject: 'loop4' (000000001bbb4ef4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'nullb0' (00000000cfa0c564): kobject_uevent_env kobject: 'nullb0' (00000000cfa0c564): fill_kobj_path: path = '/devices/virtual/block/nullb0' PM: Basic memory bitmaps created kobject: 'loop0' (00000000016ca69e): kobject_uevent_env kobject: 'loop0' (00000000016ca69e): fill_kobj_path: path = '/devices/virtual/block/loop0' PM: Basic memory bitmaps freed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop4' (000000001bbb4ef4): kobject_uevent_env kobject: 'loop4' (000000001bbb4ef4): fill_kobj_path: path = '/devices/virtual/block/loop4' PM: Marking nosave pages: [mem 0x00000000-0x00000fff] PM: Marking nosave pages: [mem 0x0009f000-0x000fffff] kobject: 'loop3' (00000000e85e5389): kobject_uevent_env PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff] kobject: 'loop3' (00000000e85e5389): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000009b3748cc): kobject_uevent_env kobject: 'loop5' (000000009b3748cc): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'nullb0' (00000000cfa0c564): kobject_uevent_env kobject: 'nullb0' (00000000cfa0c564): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop2' (00000000e2fb39bc): kobject_uevent_env kobject: 'loop2' (00000000e2fb39bc): fill_kobj_path: path = '/devices/virtual/block/loop2' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_0 PM: Basic memory bitmaps created PM: Basic memory bitmaps freed kobject: 'loop0' (00000000016ca69e): kobject_uevent_env kobject: 'loop0' (00000000016ca69e): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000001bbb4ef4): kobject_uevent_env kobject: 'loop4' (000000001bbb4ef4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000009b3748cc): kobject_uevent_env kobject: 'loop5' (000000009b3748cc): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000e85e5389): kobject_uevent_env kobject: 'loop3' (00000000e85e5389): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000e2fb39bc): kobject_uevent_env kobject: 'loop2' (00000000e2fb39bc): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000e85e5389): kobject_uevent_env kobject: 'loop3' (00000000e85e5389): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000a9fd9365): kobject_uevent_env kobject: 'loop1' (00000000a9fd9365): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000e85e5389): kobject_uevent_env kobject: 'loop3' (00000000e85e5389): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000e85e5389): kobject_uevent_env kobject: 'loop3' (00000000e85e5389): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000e85e5389): kobject_uevent_env kobject: 'loop3' (00000000e85e5389): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000009b3748cc): kobject_uevent_env kobject: 'loop5' (000000009b3748cc): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000016ca69e): kobject_uevent_env kobject: 'loop0' (00000000016ca69e): fill_kobj_path: path = '/devices/virtual/block/loop0'