====================================================== WARNING: possible circular locking dependency detected 4.19.0+ #280 Not tainted ------------------------------------------------------ syz-executor3/13505 is trying to acquire lock: 00000000fd3a0f11 (&rs->rs_recv_lock){....}, at: rds_wake_sk_sleep+0x7c/0x1a0 net/rds/af_rds.c:109 but task is already holding lock: 00000000ddf732a2 (&(&rm->m_rs_lock)->rlock){..-.}, at: rds_send_remove_from_sock+0x282/0xb40 net/rds/send.c:618 which lock already depends on the new lock. kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env the existing dependency chain (in reverse order) is: kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' -> #1 (&(&rm->m_rs_lock)->rlock){..-.}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x99/0xd0 kernel/locking/spinlock.c:152 rds_message_purge net/rds/message.c:138 [inline] rds_message_put+0x346/0x1020 net/rds/message.c:180 rds_loop_inc_free+0x16/0x20 net/rds/loop.c:115 rds_inc_put+0x1ed/0x2b0 net/rds/recv.c:82 rds_clear_recv_queue+0x30a/0x4e0 net/rds/recv.c:756 rds_release+0x163/0x560 net/rds/af_rds.c:73 __sock_release+0xd7/0x250 net/socket.c:579 sock_close+0x19/0x20 net/socket.c:1141 __fput+0x385/0xa30 fs/file_table.c:278 ____fput+0x15/0x20 fs/file_table.c:309 kobject: 'loop0' (0000000081d51552): kobject_uevent_env task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x318/0x380 arch/x86/entry/common.c:166 kobject: 'loop0' (0000000081d51552): fill_kobj_path: path = '/devices/virtual/block/loop0' prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&rs->rs_recv_lock){....}: lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:159 [inline] _raw_read_lock_irqsave+0x9c/0xc5 kernel/locking/spinlock.c:224 rds_wake_sk_sleep+0x7c/0x1a0 net/rds/af_rds.c:109 rds_send_remove_from_sock+0x315/0xb40 net/rds/send.c:624 rds_send_path_drop_acked+0x4b1/0x600 net/rds/send.c:700 rds_tcp_write_space+0x22e/0x849 net/rds/tcp_send.c:203 tcp_new_space net/ipv4/tcp_input.c:5133 [inline] tcp_check_space+0x53f/0x920 net/ipv4/tcp_input.c:5144 tcp_data_snd_check net/ipv4/tcp_input.c:5154 [inline] tcp_rcv_established+0x13e2/0x2050 net/ipv4/tcp_input.c:5552 tcp_v4_do_rcv+0x635/0x8f0 net/ipv4/tcp_ipv4.c:1534 sk_backlog_rcv include/net/sock.h:932 [inline] __release_sock+0x12f/0x3a0 net/core/sock.c:2276 release_sock+0xad/0x2c0 net/core/sock.c:2789 do_tcp_setsockopt.isra.41+0x49d/0x2770 net/ipv4/tcp.c:3062 tcp_setsockopt+0xc1/0xe0 net/ipv4/tcp.c:3074 sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2978 kernel_setsockopt+0x10f/0x1d0 net/socket.c:3319 kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env rds_tcp_cork net/rds/tcp_send.c:43 [inline] rds_tcp_xmit_path_complete+0xf1/0x150 net/rds/tcp_send.c:57 rds_send_xmit+0x18a9/0x2bb0 net/rds/send.c:410 rds_sendmsg+0x290f/0x3180 net/rds/send.c:1338 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2116 __sys_sendmsg+0x11d/0x280 net/socket.c:2154 kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' __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+0x1b9/0x820 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(&(&rm->m_rs_lock)->rlock); lock(&rs->rs_recv_lock); lock(&(&rm->m_rs_lock)->rlock); lock(&rs->rs_recv_lock); *** DEADLOCK *** 3 locks held by syz-executor3/13505: #0: 00000000a9169f42 (k-sk_lock-AF_INET){+.+.}, at: lock_sock include/net/sock.h:1492 [inline] #0: 00000000a9169f42 (k-sk_lock-AF_INET){+.+.}, at: do_tcp_setsockopt.isra.41+0x191/0x2770 net/ipv4/tcp.c:2786 #1: 000000005e5b8c6b (k-clock-AF_INET){++.-}, at: rds_tcp_write_space+0x9b/0x849 net/rds/tcp_send.c:189 #2: 00000000ddf732a2 (&(&rm->m_rs_lock)->rlock){..-.}, at: rds_send_remove_from_sock+0x282/0xb40 net/rds/send.c:618 stack backtrace: CPU: 0 PID: 13505 Comm: syz-executor3 Not tainted 4.19.0+ #280 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+0x244/0x39d lib/dump_stack.c:113 print_circular_bug.isra.35.cold.54+0x1bd/0x27d kernel/locking/lockdep.c:1221 check_prev_add kernel/locking/lockdep.c:1863 [inline] check_prevs_add kernel/locking/lockdep.c:1976 [inline] validate_chain kernel/locking/lockdep.c:2347 [inline] __lock_acquire+0x3399/0x4c20 kernel/locking/lockdep.c:3341 lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:159 [inline] _raw_read_lock_irqsave+0x9c/0xc5 kernel/locking/spinlock.c:224 rds_wake_sk_sleep+0x7c/0x1a0 net/rds/af_rds.c:109 rds_send_remove_from_sock+0x315/0xb40 net/rds/send.c:624 rds_send_path_drop_acked+0x4b1/0x600 net/rds/send.c:700 rds_tcp_write_space+0x22e/0x849 net/rds/tcp_send.c:203 tcp_new_space net/ipv4/tcp_input.c:5133 [inline] tcp_check_space+0x53f/0x920 net/ipv4/tcp_input.c:5144 tcp_data_snd_check net/ipv4/tcp_input.c:5154 [inline] tcp_rcv_established+0x13e2/0x2050 net/ipv4/tcp_input.c:5552 tcp_v4_do_rcv+0x635/0x8f0 net/ipv4/tcp_ipv4.c:1534 sk_backlog_rcv include/net/sock.h:932 [inline] __release_sock+0x12f/0x3a0 net/core/sock.c:2276 release_sock+0xad/0x2c0 net/core/sock.c:2789 do_tcp_setsockopt.isra.41+0x49d/0x2770 net/ipv4/tcp.c:3062 tcp_setsockopt+0xc1/0xe0 net/ipv4/tcp.c:3074 sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2978 kernel_setsockopt+0x10f/0x1d0 net/socket.c:3319 rds_tcp_cork net/rds/tcp_send.c:43 [inline] rds_tcp_xmit_path_complete+0xf1/0x150 net/rds/tcp_send.c:57 rds_send_xmit+0x18a9/0x2bb0 net/rds/send.c:410 rds_sendmsg+0x290f/0x3180 net/rds/send.c:1338 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2116 __sys_sendmsg+0x11d/0x280 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+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f9d01f34c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 RDX: 0000000000000000 RSI: 00000000201c3000 RDI: 0000000000000004 RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9d01f356d4 R13: 00000000004c3b4e R14: 00000000004d5c50 R15: 00000000ffffffff kobject: 'loop1' (000000004191c60a): kobject_uevent_env kobject: 'loop1' (000000004191c60a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000001e15254b): kobject_uevent_env kobject: 'loop3' (000000001e15254b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000003e2bb663): kobject_uevent_env kobject: 'loop2' (000000003e2bb663): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (0000000081d51552): kobject_uevent_env kobject: 'loop0' (0000000081d51552): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000002f8d29fa): kobject_uevent_env kobject: 'loop5' (000000002f8d29fa): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000001e15254b): kobject_uevent_env kobject: 'loop3' (000000001e15254b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (0000000081d51552): kobject_uevent_env kobject: 'loop0' (0000000081d51552): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000002f8d29fa): kobject_uevent_env kobject: 'loop5' (000000002f8d29fa): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000003e2bb663): kobject_uevent_env kobject: 'loop2' (000000003e2bb663): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000001e15254b): kobject_uevent_env kobject: 'loop3' (000000001e15254b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (0000000081d51552): kobject_uevent_env kobject: 'loop0' (0000000081d51552): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000002f8d29fa): kobject_uevent_env kobject: 'loop5' (000000002f8d29fa): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000003e2bb663): kobject_uevent_env kobject: 'loop2' (000000003e2bb663): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (00000000b5363db6): kobject_cleanup, parent 0000000079a1e828 kobject: 'rx-0' (00000000b5363db6): auto cleanup 'remove' event kobject: 'rx-0' (00000000b5363db6): kobject_uevent_env kobject: 'rx-0' (00000000b5363db6): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000b5363db6): auto cleanup kobject_del kobject: 'rx-0' (00000000b5363db6): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000004548b1c8): kobject_cleanup, parent 0000000079a1e828 kobject: 'tx-0' (000000004548b1c8): auto cleanup 'remove' event kobject: 'tx-0' (000000004548b1c8): kobject_uevent_env kobject: 'tx-0' (000000004548b1c8): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000004548b1c8): auto cleanup kobject_del kobject: 'tx-0' (000000004548b1c8): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000079a1e828): kobject_cleanup, parent (null) kobject: 'queues' (0000000079a1e828): calling ktype release kobject: 'queues' (0000000079a1e828): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (00000000214007a9): kobject_uevent_env kobject: 'ip6gre0' (00000000214007a9): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000098219fd3): kobject_cleanup, parent 00000000b70c7353 kobject: 'rx-0' (0000000098219fd3): auto cleanup 'remove' event kobject: 'rx-0' (0000000098219fd3): kobject_uevent_env kobject: 'rx-0' (0000000098219fd3): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000098219fd3): auto cleanup kobject_del kobject: 'rx-0' (0000000098219fd3): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000811262a7): kobject_cleanup, parent 00000000b70c7353 kobject: 'tx-0' (00000000811262a7): auto cleanup 'remove' event kobject: 'tx-0' (00000000811262a7): kobject_uevent_env kobject: 'tx-0' (00000000811262a7): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop1' (000000004191c60a): kobject_uevent_env kobject: 'tx-0' (00000000811262a7): auto cleanup kobject_del kobject: 'loop1' (000000004191c60a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (00000000811262a7): calling ktype release kobject: 'tx-0': free name kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env kobject: 'queues' (00000000b70c7353): kobject_cleanup, parent (null) kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (00000000b70c7353): calling ktype release kobject: 'loop0' (0000000081d51552): kobject_uevent_env kobject: 'queues' (00000000b70c7353): kset_release kobject: 'loop0' (0000000081d51552): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queues': free name kobject: 'ip6gre0' (000000004cc4438c): kobject_uevent_env kobject: 'ip6gre0' (000000004cc4438c): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop5' (000000002f8d29fa): kobject_uevent_env kobject: 'rx-0' (00000000285cb930): kobject_cleanup, parent 00000000bfad87a1 kobject: 'loop5' (000000002f8d29fa): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (00000000285cb930): auto cleanup 'remove' event kobject: 'loop2' (000000003e2bb663): kobject_uevent_env kobject: 'rx-0' (00000000285cb930): kobject_uevent_env kobject: 'loop2' (000000003e2bb663): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (00000000285cb930): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (000000001e15254b): kobject_uevent_env kobject: 'rx-0' (00000000285cb930): auto cleanup kobject_del kobject: 'loop3' (000000001e15254b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (00000000285cb930): calling ktype release kobject: 'loop2' (000000003e2bb663): kobject_uevent_env kobject: 'rx-0': free name kobject: 'loop2' (000000003e2bb663): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (000000005ae6a87f): kobject_cleanup, parent 00000000bfad87a1 kobject: 'loop3' (000000001e15254b): kobject_uevent_env kobject: 'loop3' (000000001e15254b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (000000005ae6a87f): auto cleanup 'remove' event kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env kobject: 'tx-0' (000000005ae6a87f): kobject_uevent_env kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (000000005ae6a87f): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop5' (000000002f8d29fa): kobject_uevent_env kobject: 'tx-0' (000000005ae6a87f): auto cleanup kobject_del kobject: 'loop5' (000000002f8d29fa): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (000000005ae6a87f): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000bfad87a1): kobject_cleanup, parent (null) kobject: 'queues' (00000000bfad87a1): calling ktype release kobject: 'queues' (00000000bfad87a1): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (00000000985c05c5): kobject_uevent_env kobject: 'ip6gre0' (00000000985c05c5): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (00000000214007a9): kobject_cleanup, parent (null) kobject: 'ip6gre0' (00000000214007a9): auto cleanup 'remove' event kobject: 'ip6gre0' (00000000214007a9): kobject_uevent_env kobject: 'ip6gre0' (00000000214007a9): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (00000000214007a9): calling ktype release kobject: 'ip6gre0': free name kobject: 'ip6gre0' (000000004cc4438c): kobject_cleanup, parent (null) kobject: 'ip6gre0' (000000004cc4438c): auto cleanup 'remove' event kobject: 'ip6gre0' (000000004cc4438c): kobject_uevent_env kobject: 'ip6gre0' (000000004cc4438c): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (000000004cc4438c): calling ktype release kobject: 'ip6gre0': free name kobject: 'ip6gre0' (00000000985c05c5): kobject_cleanup, parent (null) kobject: 'ip6gre0' (00000000985c05c5): auto cleanup 'remove' event kobject: 'ip6gre0' (00000000985c05c5): kobject_uevent_env kobject: 'ip6gre0' (00000000985c05c5): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (00000000985c05c5): calling ktype release kobject: 'ip6gre0': free name kobject: 'rx-0' (000000003f1558c3): kobject_cleanup, parent 000000006d5d60eb kobject: 'rx-0' (000000003f1558c3): auto cleanup 'remove' event kobject: 'rx-0' (000000003f1558c3): kobject_uevent_env kobject: 'rx-0' (000000003f1558c3): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000003f1558c3): auto cleanup kobject_del kobject: 'rx-0' (000000003f1558c3): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000008d4b9d2c): kobject_cleanup, parent 000000006d5d60eb kobject: 'tx-0' (000000008d4b9d2c): auto cleanup 'remove' event kobject: 'tx-0' (000000008d4b9d2c): kobject_uevent_env kobject: 'tx-0' (000000008d4b9d2c): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000008d4b9d2c): auto cleanup kobject_del kobject: 'tx-0' (000000008d4b9d2c): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000006d5d60eb): kobject_cleanup, parent (null) kobject: 'queues' (000000006d5d60eb): calling ktype release kobject: 'queues' (000000006d5d60eb): kset_release kobject: 'queues': free name kobject: 'ip6tnl0' (000000009eb008db): kobject_uevent_env kobject: 'ip6tnl0' (000000009eb008db): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000000137ebac): kobject_cleanup, parent 00000000f2bf83f0 kobject: 'rx-0' (000000000137ebac): auto cleanup 'remove' event kobject: 'rx-0' (000000000137ebac): kobject_uevent_env kobject: 'rx-0' (000000000137ebac): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000000137ebac): auto cleanup kobject_del kobject: 'rx-0' (000000000137ebac): calling ktype release kobject: 'rx-0': free name kobject: 'loop1' (000000004191c60a): kobject_uevent_env kobject: 'tx-0' (00000000ddd23f0f): kobject_cleanup, parent 00000000f2bf83f0 kobject: 'loop1' (000000004191c60a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (00000000ddd23f0f): auto cleanup 'remove' event kobject: 'loop3' (000000001e15254b): kobject_uevent_env kobject: 'tx-0' (00000000ddd23f0f): kobject_uevent_env kobject: 'tx-0' (00000000ddd23f0f): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (000000001e15254b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (00000000ddd23f0f): auto cleanup kobject_del kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env kobject: 'tx-0' (00000000ddd23f0f): calling ktype release kobject: 'tx-0': free name kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (00000000f2bf83f0): kobject_cleanup, parent (null) kobject: 'queues' (00000000f2bf83f0): calling ktype release kobject: 'queues' (00000000f2bf83f0): kset_release kobject: 'loop0' (0000000081d51552): kobject_uevent_env kobject: 'queues': free name kobject: 'ip6tnl0' (00000000f9336012): kobject_uevent_env kobject: 'loop0' (0000000081d51552): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'ip6tnl0' (00000000f9336012): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop2' (000000003e2bb663): kobject_uevent_env kobject: 'rx-0' (00000000149ab9ea): kobject_cleanup, parent 000000004dfab7bd kobject: 'loop2' (000000003e2bb663): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (00000000149ab9ea): auto cleanup 'remove' event kobject: 'loop5' (000000002f8d29fa): kobject_uevent_env kobject: 'rx-0' (00000000149ab9ea): kobject_uevent_env kobject: 'rx-0' (00000000149ab9ea): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000149ab9ea): auto cleanup kobject_del kobject: 'rx-0' (00000000149ab9ea): calling ktype release kobject: 'loop5' (000000002f8d29fa): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0': free name kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env kobject: 'tx-0' (000000002eeee06d): kobject_cleanup, parent 000000004dfab7bd kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (000000002eeee06d): auto cleanup 'remove' event kobject: 'loop2' (000000003e2bb663): kobject_uevent_env kobject: 'tx-0' (000000002eeee06d): kobject_uevent_env kobject: 'loop2' (000000003e2bb663): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (000000002eeee06d): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop0' (0000000081d51552): kobject_uevent_env kobject: 'tx-0' (000000002eeee06d): auto cleanup kobject_del kobject: 'loop0' (0000000081d51552): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'tx-0' (000000002eeee06d): calling ktype release kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env kobject: 'tx-0': free name kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (000000004dfab7bd): kobject_cleanup, parent (null) kobject: 'loop5' (000000002f8d29fa): kobject_uevent_env kobject: 'queues' (000000004dfab7bd): calling ktype release kobject: 'loop5' (000000002f8d29fa): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'queues' (000000004dfab7bd): kset_release kobject: 'queues': free name kobject: 'ip6tnl0' (00000000dba2ae34): kobject_uevent_env kobject: 'ip6tnl0' (00000000dba2ae34): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6tnl0' (000000009eb008db): kobject_cleanup, parent (null) kobject: 'ip6tnl0' (000000009eb008db): auto cleanup 'remove' event kobject: 'ip6tnl0' (000000009eb008db): kobject_uevent_env kobject: 'ip6tnl0' (000000009eb008db): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6tnl0' (000000009eb008db): calling ktype release kobject: 'ip6tnl0': free name kobject: 'ip6tnl0' (00000000f9336012): kobject_cleanup, parent (null) kobject: 'ip6tnl0' (00000000f9336012): auto cleanup 'remove' event kobject: 'ip6tnl0' (00000000f9336012): kobject_uevent_env kobject: 'ip6tnl0' (00000000f9336012): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6tnl0' (00000000f9336012): calling ktype release kobject: 'ip6tnl0': free name kobject: 'ip6tnl0' (00000000dba2ae34): kobject_cleanup, parent (null) kobject: 'ip6tnl0' (00000000dba2ae34): auto cleanup 'remove' event kobject: 'ip6tnl0' (00000000dba2ae34): kobject_uevent_env kobject: 'ip6tnl0' (00000000dba2ae34): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6tnl0' (00000000dba2ae34): calling ktype release kobject: 'ip6tnl0': free name kobject: 'rx-0' (000000007e92b188): kobject_cleanup, parent 00000000b0460ab4 kobject: 'rx-0' (000000007e92b188): auto cleanup 'remove' event kobject: 'rx-0' (000000007e92b188): kobject_uevent_env kobject: 'rx-0' (000000007e92b188): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000007e92b188): auto cleanup kobject_del kobject: 'rx-0' (000000007e92b188): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000a0439a82): kobject_cleanup, parent 00000000b0460ab4 kobject: 'tx-0' (00000000a0439a82): auto cleanup 'remove' event kobject: 'tx-0' (00000000a0439a82): kobject_uevent_env kobject: 'tx-0' (00000000a0439a82): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000a0439a82): auto cleanup kobject_del kobject: 'tx-0' (00000000a0439a82): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000b0460ab4): kobject_cleanup, parent (null) kobject: 'queues' (00000000b0460ab4): calling ktype release kobject: 'queues' (00000000b0460ab4): kset_release kobject: 'queues': free name kobject: 'sit0' (000000001a4a542d): kobject_uevent_env kobject: 'sit0' (000000001a4a542d): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000007e6939df): kobject_cleanup, parent 00000000f0492006 kobject: 'rx-0' (000000007e6939df): auto cleanup 'remove' event kobject: 'rx-0' (000000007e6939df): kobject_uevent_env kobject: 'loop1' (000000004191c60a): kobject_uevent_env kobject: 'rx-0' (000000007e6939df): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop1' (000000004191c60a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (000000007e6939df): auto cleanup kobject_del kobject: 'rx-0' (000000007e6939df): calling ktype release kobject: 'rx-0': free name kobject: 'loop3' (000000001e15254b): kobject_uevent_env kobject: 'tx-0' (000000002a201e98): kobject_cleanup, parent 00000000f0492006 kobject: 'loop3' (000000001e15254b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (000000002a201e98): auto cleanup 'remove' event kobject: 'loop5' (000000002f8d29fa): kobject_uevent_env kobject: 'tx-0' (000000002a201e98): kobject_uevent_env kobject: 'loop5' (000000002f8d29fa): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (000000002a201e98): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env kobject: 'tx-0' (000000002a201e98): auto cleanup kobject_del kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (000000002a201e98): calling ktype release kobject: 'tx-0': free name kobject: 'loop2' (000000003e2bb663): kobject_uevent_env kobject: 'queues' (00000000f0492006): kobject_cleanup, parent (null) kobject: 'loop2' (000000003e2bb663): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'queues' (00000000f0492006): calling ktype release kobject: 'loop0' (0000000081d51552): kobject_uevent_env kobject: 'queues' (00000000f0492006): kset_release kobject: 'loop0' (0000000081d51552): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queues': free name kobject: 'loop0' (0000000081d51552): kobject_uevent_env kobject: 'sit0' (00000000300aaf16): kobject_uevent_env kobject: 'loop0' (0000000081d51552): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'sit0' (00000000300aaf16): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop2' (000000003e2bb663): kobject_uevent_env kobject: 'rx-0' (00000000fcfc2139): kobject_cleanup, parent 00000000ab237c57 kobject: 'loop2' (000000003e2bb663): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (00000000fcfc2139): auto cleanup 'remove' event kobject: 'rx-0' (00000000fcfc2139): kobject_uevent_env kobject: 'rx-0' (00000000fcfc2139): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000fcfc2139): auto cleanup kobject_del kobject: 'rx-0' (00000000fcfc2139): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000457fb2b5): kobject_cleanup, parent 00000000ab237c57 kobject: 'tx-0' (00000000457fb2b5): auto cleanup 'remove' event kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env kobject: 'tx-0' (00000000457fb2b5): kobject_uevent_env kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (00000000457fb2b5): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (000000001e15254b): kobject_uevent_env kobject: 'tx-0' (00000000457fb2b5): auto cleanup kobject_del kobject: 'loop3' (000000001e15254b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (00000000457fb2b5): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000ab237c57): kobject_cleanup, parent (null) kobject: 'queues' (00000000ab237c57): calling ktype release kobject: 'queues' (00000000ab237c57): kset_release kobject: 'queues': free name kobject: 'sit0' (000000006f1930b0): kobject_uevent_env kobject: 'sit0' (000000006f1930b0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'sit0' (000000001a4a542d): kobject_cleanup, parent (null) kobject: 'sit0' (000000001a4a542d): auto cleanup 'remove' event kobject: 'sit0' (000000001a4a542d): kobject_uevent_env kobject: 'sit0' (000000001a4a542d): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'sit0' (000000001a4a542d): calling ktype release kobject: 'sit0': free name kobject: 'sit0' (00000000300aaf16): kobject_cleanup, parent (null) kobject: 'sit0' (00000000300aaf16): auto cleanup 'remove' event kobject: 'sit0' (00000000300aaf16): kobject_uevent_env kobject: 'sit0' (00000000300aaf16): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'sit0' (00000000300aaf16): calling ktype release kobject: 'sit0': free name kobject: 'sit0' (000000006f1930b0): kobject_cleanup, parent (null) kobject: 'sit0' (000000006f1930b0): auto cleanup 'remove' event kobject: 'sit0' (000000006f1930b0): kobject_uevent_env kobject: 'sit0' (000000006f1930b0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'sit0' (000000006f1930b0): calling ktype release kobject: 'sit0': free name kobject: 'rx-0' (00000000fde021c8): kobject_cleanup, parent 00000000ed637cd6 kobject: 'rx-0' (00000000fde021c8): auto cleanup 'remove' event kobject: 'rx-0' (00000000fde021c8): kobject_uevent_env kobject: 'rx-0' (00000000fde021c8): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000fde021c8): auto cleanup kobject_del kobject: 'rx-0' (00000000fde021c8): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000fdb54ecb): kobject_cleanup, parent 00000000ed637cd6 kobject: 'tx-0' (00000000fdb54ecb): auto cleanup 'remove' event kobject: 'tx-0' (00000000fdb54ecb): kobject_uevent_env kobject: 'tx-0' (00000000fdb54ecb): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000fdb54ecb): auto cleanup kobject_del kobject: 'tx-0' (00000000fdb54ecb): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000ed637cd6): kobject_cleanup, parent (null) kobject: 'queues' (00000000ed637cd6): calling ktype release kobject: 'queues' (00000000ed637cd6): kset_release kobject: 'queues': free name kobject: 'ip6_vti0' (00000000ebd8112a): kobject_uevent_env kobject: 'ip6_vti0' (00000000ebd8112a): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000036c3b555): kobject_cleanup, parent 000000006bdc59c4 kobject: 'rx-0' (0000000036c3b555): auto cleanup 'remove' event kobject: 'rx-0' (0000000036c3b555): kobject_uevent_env kobject: 'rx-0' (0000000036c3b555): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000036c3b555): auto cleanup kobject_del kobject: 'rx-0' (0000000036c3b555): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000008fc48fab): kobject_cleanup, parent 000000006bdc59c4 kobject: 'loop1' (000000004191c60a): kobject_uevent_env kobject: 'loop1' (000000004191c60a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (000000008fc48fab): auto cleanup 'remove' event kobject: 'tx-0' (000000008fc48fab): kobject_uevent_env kobject: 'tx-0' (000000008fc48fab): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (000000008fc48fab): auto cleanup kobject_del kobject: 'loop3' (000000001e15254b): kobject_uevent_env kobject: 'tx-0' (000000008fc48fab): calling ktype release kobject: 'loop3' (000000001e15254b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0': free name kobject: 'queues' (000000006bdc59c4): kobject_cleanup, parent (null) kobject: 'loop0' (0000000081d51552): kobject_uevent_env kobject: 'loop0' (0000000081d51552): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queues' (000000006bdc59c4): calling ktype release kobject: 'loop5' (000000002f8d29fa): kobject_uevent_env kobject: 'queues' (000000006bdc59c4): kset_release kobject: 'queues': free name kobject: 'loop5' (000000002f8d29fa): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'ip6_vti0' (000000000cb82f99): kobject_uevent_env kobject: 'loop2' (000000003e2bb663): kobject_uevent_env kobject: 'ip6_vti0' (000000000cb82f99): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop2' (000000003e2bb663): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (00000000ecfa8140): kobject_cleanup, parent 0000000083f635f8 kobject: 'loop1' (000000004191c60a): kobject_uevent_env kobject: 'loop1' (000000004191c60a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (00000000ecfa8140): auto cleanup 'remove' event kobject: 'loop2' (000000003e2bb663): kobject_uevent_env kobject: 'rx-0' (00000000ecfa8140): kobject_uevent_env kobject: 'rx-0' (00000000ecfa8140): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop2' (000000003e2bb663): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (00000000ecfa8140): auto cleanup kobject_del kobject: 'rx-0' (00000000ecfa8140): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000a130180c): kobject_cleanup, parent 0000000083f635f8 kobject: 'loop5' (000000002f8d29fa): kobject_uevent_env kobject: 'tx-0' (00000000a130180c): auto cleanup 'remove' event kobject: 'loop5' (000000002f8d29fa): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (00000000a130180c): kobject_uevent_env kobject: 'loop0' (0000000081d51552): kobject_uevent_env kobject: 'tx-0' (00000000a130180c): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop0' (0000000081d51552): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'tx-0' (00000000a130180c): auto cleanup kobject_del kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000004191c60a): kobject_uevent_env kobject: 'loop1' (000000004191c60a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (00000000a130180c): calling ktype release kobject: 'loop0' (0000000081d51552): kobject_uevent_env kobject: 'tx-0': free name kobject: 'queues' (0000000083f635f8): kobject_cleanup, parent (null) kobject: 'loop0' (0000000081d51552): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queues' (0000000083f635f8): calling ktype release kobject: 'queues' (0000000083f635f8): kset_release kobject: 'loop2' (000000003e2bb663): kobject_uevent_env kobject: 'queues': free name kobject: 'ip6_vti0' (00000000f45d25c2): kobject_uevent_env kobject: 'loop2' (000000003e2bb663): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'ip6_vti0' (00000000f45d25c2): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop5' (000000002f8d29fa): kobject_uevent_env kobject: 'loop5' (000000002f8d29fa): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'ip6_vti0' (00000000ebd8112a): kobject_cleanup, parent (null) kobject: 'ip6_vti0' (00000000ebd8112a): auto cleanup 'remove' event kobject: 'loop1' (000000004191c60a): kobject_uevent_env kobject: 'loop1' (000000004191c60a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'ip6_vti0' (00000000ebd8112a): kobject_uevent_env kobject: 'ip6_vti0' (00000000ebd8112a): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop2' (000000003e2bb663): kobject_uevent_env kobject: 'loop2' (000000003e2bb663): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'ip6_vti0' (00000000ebd8112a): calling ktype release kobject: 'loop5' (000000002f8d29fa): kobject_uevent_env kobject: 'ip6_vti0': free name kobject: 'loop5' (000000002f8d29fa): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'ip6_vti0' (000000000cb82f99): kobject_cleanup, parent (null) kobject: 'ip6_vti0' (000000000cb82f99): auto cleanup 'remove' event kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env kobject: 'ip6_vti0' (000000000cb82f99): kobject_uevent_env kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'ip6_vti0' (000000000cb82f99): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6_vti0' (000000000cb82f99): calling ktype release kobject: 'ip6_vti0': free name kobject: 'loop1' (000000004191c60a): kobject_uevent_env kobject: 'ip6_vti0' (00000000f45d25c2): kobject_cleanup, parent (null) kobject: 'ip6_vti0' (00000000f45d25c2): auto cleanup 'remove' event kobject: 'loop1' (000000004191c60a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'ip6_vti0' (00000000f45d25c2): kobject_uevent_env kobject: 'ip6_vti0' (00000000f45d25c2): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (000000001e15254b): kobject_uevent_env kobject: 'loop3' (000000001e15254b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'ip6_vti0' (00000000f45d25c2): calling ktype release kobject: 'ip6_vti0': free name kobject: 'loop1' (000000004191c60a): kobject_uevent_env kobject: 'loop1' (000000004191c60a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (00000000566da0b4): kobject_cleanup, parent 000000002c4e0372 kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env kobject: 'rx-0' (00000000566da0b4): auto cleanup 'remove' event kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (00000000566da0b4): kobject_uevent_env kobject: 'loop5' (000000002f8d29fa): kobject_uevent_env kobject: 'loop5' (000000002f8d29fa): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (00000000566da0b4): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000566da0b4): auto cleanup kobject_del kobject: 'loop3' (000000001e15254b): kobject_uevent_env kobject: 'rx-0' (00000000566da0b4): calling ktype release kobject: 'loop3' (000000001e15254b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0': free name kobject: 'tx-0' (000000000875e5a3): kobject_cleanup, parent 000000002c4e0372 kobject: 'loop2' (000000003e2bb663): kobject_uevent_env kobject: 'loop2' (000000003e2bb663): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (000000000875e5a3): auto cleanup 'remove' event kobject: 'loop5' (000000002f8d29fa): kobject_uevent_env kobject: 'tx-0' (000000000875e5a3): kobject_uevent_env kobject: 'loop5' (000000002f8d29fa): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (000000000875e5a3): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop1' (000000004191c60a): kobject_uevent_env kobject: 'tx-0' (000000000875e5a3): auto cleanup kobject_del kobject: 'loop1' (000000004191c60a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (000000000875e5a3): calling ktype release kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env kobject: 'tx-0': free name kobject: 'queues' (000000002c4e0372): kobject_cleanup, parent (null) kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (000000002c4e0372): calling ktype release kobject: 'loop3' (000000001e15254b): kobject_uevent_env kobject: 'queues' (000000002c4e0372): kset_release kobject: 'loop3' (000000001e15254b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'queues': free name kobject: 'ip_vti0' (00000000c1480256): kobject_uevent_env kobject: 'loop2' (000000003e2bb663): kobject_uevent_env kobject: 'loop2' (000000003e2bb663): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'ip_vti0' (00000000c1480256): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop5' (000000002f8d29fa): kobject_uevent_env kobject: 'rx-0' (000000000970f083): kobject_cleanup, parent 00000000b51c4c2e kobject: 'loop5' (000000002f8d29fa): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (000000000970f083): auto cleanup 'remove' event kobject: 'loop1' (000000004191c60a): kobject_uevent_env kobject: 'rx-0' (000000000970f083): kobject_uevent_env kobject: 'loop1' (000000004191c60a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (000000000970f083): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (000000000970f083): auto cleanup kobject_del FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 13969 Comm: syz-executor4 Not tainted 4.19.0+ #280 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop1' (000000004191c60a): kobject_uevent_env kobject: 'loop1' (000000004191c60a): fill_kobj_path: path = '/devices/virtual/block/loop1' __should_failslab+0x124/0x180 mm/failslab.c:32 kobject: 'loop3' (000000001e15254b): kobject_uevent_env should_failslab+0x9/0x14 mm/slab_common.c:1578 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc+0x47/0x730 mm/slab.c:3552 __build_skb+0xab/0x430 net/core/skbuff.c:281 __napi_alloc_skb+0x1d6/0x310 net/core/skbuff.c:482 kobject: 'loop3' (000000001e15254b): fill_kobj_path: path = '/devices/virtual/block/loop3' napi_alloc_skb include/linux/skbuff.h:2696 [inline] napi_get_frags+0x67/0x140 net/core/dev.c:5671 tun_napi_alloc_frags drivers/net/tun.c:1461 [inline] tun_get_user+0x1e1f/0x4250 drivers/net/tun.c:1819 kobject: 'loop2' (000000003e2bb663): kobject_uevent_env kobject: 'rx-0' (000000000970f083): calling ktype release kobject: 'loop2' (000000003e2bb663): fill_kobj_path: path = '/devices/virtual/block/loop2' tun_chr_write_iter+0xb9/0x160 drivers/net/tun.c:1993 kobject: 'rx-0': free name call_write_iter include/linux/fs.h:1839 [inline] do_iter_readv_writev+0x8b0/0xa80 fs/read_write.c:680 kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env do_iter_write+0x185/0x5f0 fs/read_write.c:959 vfs_writev+0x1f1/0x360 fs/read_write.c:1004 kobject: 'tx-0' (00000000f98f6263): kobject_cleanup, parent 00000000b51c4c2e kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' do_writev+0x11a/0x310 fs/read_write.c:1039 __do_sys_writev fs/read_write.c:1112 [inline] __se_sys_writev fs/read_write.c:1109 [inline] __x64_sys_writev+0x75/0xb0 fs/read_write.c:1109 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 kobject: 'tx-0' (00000000f98f6263): auto cleanup 'remove' event kobject: 'loop5' (000000002f8d29fa): kobject_uevent_env entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457421 kobject: 'tx-0' (00000000f98f6263): kobject_uevent_env Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 34 b5 fb ff c3 48 83 ec 08 e8 1a 2d 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 63 2d 00 00 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007fe2d5fe5ba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 0000000000000190 RCX: 0000000000457421 RDX: 0000000000000001 RSI: 00007fe2d5fe5bf0 RDI: 00000000000000f0 RBP: 0000000020000100 R08: 00000000000000f0 R09: 0000000000000000 R10: 0000000000000064 R11: 0000000000000293 R12: 00007fe2d5fe66d4 R13: 00000000004c4b01 R14: 00000000004d8098 R15: 0000000000000003 kobject: 'tx-0' (00000000f98f6263): kobject_uevent_env: uevent_suppress caused the event to drop! CPU: 0 PID: 13972 Comm: syz-executor0 Not tainted 4.19.0+ #280 kobject: 'loop5' (000000002f8d29fa): fill_kobj_path: path = '/devices/virtual/block/loop5' 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+0x244/0x39d lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 kobject: 'tx-0' (00000000f98f6263): auto cleanup kobject_del kobject: 'loop1' (000000004191c60a): kobject_uevent_env __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1578 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc_node mm/slab.c:3299 [inline] kmem_cache_alloc_node+0x26e/0x730 mm/slab.c:3642 kobject: 'tx-0' (00000000f98f6263): calling ktype release __alloc_skb+0x119/0x770 net/core/skbuff.c:193 kobject: 'loop1' (000000004191c60a): fill_kobj_path: path = '/devices/virtual/block/loop1' alloc_skb include/linux/skbuff.h:997 [inline] netlink_alloc_large_skb net/netlink/af_netlink.c:1182 [inline] netlink_sendmsg+0xb29/0xfc0 net/netlink/af_netlink.c:1892 kobject: 'loop2' (000000003e2bb663): kobject_uevent_env sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2116 kobject: 'tx-0': free name kobject: 'queues' (00000000b51c4c2e): kobject_cleanup, parent (null) kobject: 'loop2' (000000003e2bb663): fill_kobj_path: path = '/devices/virtual/block/loop2' __sys_sendmsg+0x11d/0x280 net/socket.c:2154 kobject: 'loop3' (000000001e15254b): kobject_uevent_env __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+0x1b9/0x820 arch/x86/entry/common.c:290 kobject: 'loop3' (000000001e15254b): fill_kobj_path: path = '/devices/virtual/block/loop3' entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 kobject: 'queues' (00000000b51c4c2e): calling ktype release RSP: 002b:00007f390544ac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f390544ac90 RCX: 0000000000457569 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f390544b6d4 R13: 00000000004c3b16 R14: 00000000004d5c08 R15: 0000000000000004 kobject: 'loop5' (000000002f8d29fa): kobject_uevent_env kobject: 'queues' (00000000b51c4c2e): kset_release CPU: 1 PID: 13974 Comm: syz-executor1 Not tainted 4.19.0+ #280 kobject: 'queues': free name 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+0x244/0x39d lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 kobject: 'ip_vti0' (0000000025dd38ba): kobject_uevent_env kobject: 'ip_vti0' (0000000025dd38ba): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000005406525d): kobject_cleanup, parent 00000000c80b1767 kobject: 'rx-0' (000000005406525d): auto cleanup 'remove' event kobject: 'rx-0' (000000005406525d): kobject_uevent_env __should_failslab+0x124/0x180 mm/failslab.c:32 kobject: 'rx-0' (000000005406525d): kobject_uevent_env: uevent_suppress caused the event to drop! should_failslab+0x9/0x14 mm/slab_common.c:1578 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc+0x2be/0x730 mm/slab.c:3552 kobject: 'rx-0' (000000005406525d): auto cleanup kobject_del kobject: 'rx-0' (000000005406525d): calling ktype release sock_alloc_inode+0x1d/0x260 net/socket.c:244 alloc_inode+0x63/0x190 fs/inode.c:210 new_inode_pseudo+0x71/0x1a0 fs/inode.c:903 kobject: 'rx-0': free name sock_alloc+0x41/0x270 net/socket.c:547 kobject: 'tx-0' (00000000d3834fc4): kobject_cleanup, parent 00000000c80b1767 __sock_create+0x175/0x930 net/socket.c:1241 kobject: 'tx-0' (00000000d3834fc4): auto cleanup 'remove' event sock_create net/socket.c:1317 [inline] __sys_socket+0x106/0x260 net/socket.c:1347 kobject: 'tx-0' (00000000d3834fc4): kobject_uevent_env __do_sys_socket net/socket.c:1356 [inline] __se_sys_socket net/socket.c:1354 [inline] __x64_sys_socket+0x73/0xb0 net/socket.c:1354 kobject: 'tx-0' (00000000d3834fc4): kobject_uevent_env: uevent_suppress caused the event to drop! do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 kobject: 'tx-0' (00000000d3834fc4): auto cleanup kobject_del kobject: 'tx-0' (00000000d3834fc4): calling ktype release entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'tx-0': free name RIP: 0033:0x457569 Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f3283fa0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 kobject: 'queues' (00000000c80b1767): kobject_cleanup, parent (null) RAX: ffffffffffffffda RBX: 00007f3283fa0c90 RCX: 0000000000457569 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000000a RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3283fa16d4 kobject: 'queues' (00000000c80b1767): calling ktype release R13: 00000000004c46b8 R14: 00000000004d79d8 R15: 0000000000000003 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop5' (000000002f8d29fa): fill_kobj_path: path = '/devices/virtual/block/loop5' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env CPU: 1 PID: 13993 Comm: syz-executor0 Not tainted 4.19.0+ #280 kobject: 'queues' (00000000c80b1767): kset_release Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'queues': free name Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 kobject: 'ip_vti0' (00000000b55b0a7b): kobject_uevent_env kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000004191c60a): kobject_uevent_env kobject: 'loop1' (000000004191c60a): fill_kobj_path: path = '/devices/virtual/block/loop1' __should_failslab+0x124/0x180 mm/failslab.c:32 kobject: 'ip_vti0' (00000000b55b0a7b): kobject_uevent_env: uevent_suppress caused the event to drop! should_failslab+0x9/0x14 mm/slab_common.c:1578 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc_node mm/slab.c:3299 [inline] kmem_cache_alloc_node_trace+0x270/0x740 mm/slab.c:3661 __do_kmalloc_node mm/slab.c:3683 [inline] __kmalloc_node_track_caller+0x3c/0x70 mm/slab.c:3698 kobject: 'loop3' (000000001e15254b): kobject_uevent_env __kmalloc_reserve.isra.40+0x41/0xe0 net/core/skbuff.c:137 __alloc_skb+0x155/0x770 net/core/skbuff.c:205 kobject: 'loop3' (000000001e15254b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000003e2bb663): kobject_uevent_env alloc_skb include/linux/skbuff.h:997 [inline] netlink_alloc_large_skb net/netlink/af_netlink.c:1182 [inline] netlink_sendmsg+0xb29/0xfc0 net/netlink/af_netlink.c:1892 kobject: 'loop2' (000000003e2bb663): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000002f8d29fa): kobject_uevent_env sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2116 kobject: 'loop5' (000000002f8d29fa): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000004191c60a): kobject_uevent_env __sys_sendmsg+0x11d/0x280 net/socket.c:2154 kobject: 'loop1' (000000004191c60a): fill_kobj_path: path = '/devices/virtual/block/loop1' __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+0x1b9/0x820 arch/x86/entry/common.c:290 kobject: 'loop0' (0000000081d51552): kobject_uevent_env kobject: 'loop0' (0000000081d51552): fill_kobj_path: path = '/devices/virtual/block/loop0' entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 kobject: 'loop2' (000000003e2bb663): kobject_uevent_env Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f390544ac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f390544ac90 RCX: 0000000000457569 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f390544b6d4 R13: 00000000004c3b16 R14: 00000000004d5c08 R15: 0000000000000004 kobject: 'loop2' (000000003e2bb663): fill_kobj_path: path = '/devices/virtual/block/loop2' CPU: 1 PID: 13995 Comm: syz-executor4 Not tainted 4.19.0+ #280 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+0x244/0x39d lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1578 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc_node mm/slab.c:3299 [inline] kmem_cache_alloc_node_trace+0x5a/0x740 mm/slab.c:3661 __do_kmalloc_node mm/slab.c:3683 [inline] __kmalloc_node_track_caller+0x3c/0x70 mm/slab.c:3698 __kmalloc_reserve.isra.40+0x41/0xe0 net/core/skbuff.c:137 pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460 __skb_grow include/linux/skbuff.h:2559 [inline] tun_napi_alloc_frags drivers/net/tun.c:1467 [inline] tun_get_user+0x2943/0x4250 drivers/net/tun.c:1819 tun_chr_write_iter+0xb9/0x160 drivers/net/tun.c:1993 call_write_iter include/linux/fs.h:1839 [inline] do_iter_readv_writev+0x8b0/0xa80 fs/read_write.c:680 do_iter_write+0x185/0x5f0 fs/read_write.c:959 vfs_writev+0x1f1/0x360 fs/read_write.c:1004 do_writev+0x11a/0x310 fs/read_write.c:1039 __do_sys_writev fs/read_write.c:1112 [inline] __se_sys_writev fs/read_write.c:1109 [inline] __x64_sys_writev+0x75/0xb0 fs/read_write.c:1109 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457421 Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 34 b5 fb ff c3 48 83 ec 08 e8 1a 2d 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 63 2d 00 00 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007fe2d5fe5ba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 0000000000000190 RCX: 0000000000457421 RDX: 0000000000000001 RSI: 00007fe2d5fe5bf0 RDI: 00000000000000f0 RBP: 0000000020000100 R08: 00000000000000f0 R09: 0000000000000000 R10: 0000000000000064 R11: 0000000000000293 R12: 00007fe2d5fe66d4 R13: 00000000004c4b01 R14: 00000000004d8098 R15: 0000000000000003 socket: no more sockets kobject: 'loop3' (000000001e15254b): kobject_uevent_env kobject: 'loop3' (000000001e15254b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000a8da15b8): kobject_uevent_env kobject: 'loop4' (00000000a8da15b8): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000004191c60a): kobject_uevent_env kobject: 'loop1' (000000004191c60a): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (0000000081d51552): kobject_uevent_env