====================================================== WARNING: possible circular locking dependency detected 4.19.0-rc7+ #62 Not tainted ------------------------------------------------------ syz-executor2/27649 is trying to acquire lock: 00000000065a2417 (&ovl_i_mutex_key[depth]){+.+.}, at: inode_lock include/linux/fs.h:738 [inline] 00000000065a2417 (&ovl_i_mutex_key[depth]){+.+.}, at: process_measurement+0xc3e/0x1bf0 security/integrity/ima/ima_main.c:205 but task is already holding lock: 00000000ee6ebb8f (&sig->cred_guard_mutex){+.+.}, at: prepare_bprm_creds+0x53/0x120 fs/exec.c:1404 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&sig->cred_guard_mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x166/0x1700 kernel/locking/mutex.c:1072 mutex_lock_killable_nested+0x16/0x20 kernel/locking/mutex.c:1102 lock_trace+0x4c/0xe0 fs/proc/base.c:384 proc_pid_syscall+0xad/0x520 fs/proc/base.c:617 proc_single_show+0x101/0x190 fs/proc/base.c:737 seq_read+0x4af/0x1150 fs/seq_file.c:229 do_loop_readv_writev fs/read_write.c:700 [inline] do_iter_read+0x4a3/0x650 fs/read_write.c:924 vfs_readv+0x175/0x1c0 fs/read_write.c:986 kernel_readv fs/splice.c:362 [inline] default_file_splice_read+0x53c/0xb20 fs/splice.c:417 do_splice_to+0x12e/0x190 fs/splice.c:881 splice_direct_to_actor+0x270/0x8f0 fs/splice.c:953 do_splice_direct+0x2d4/0x420 fs/splice.c:1062 do_sendfile+0x62a/0xe20 fs/read_write.c:1440 __do_sys_sendfile64 fs/read_write.c:1495 [inline] __se_sys_sendfile64 fs/read_write.c:1487 [inline] __x64_sys_sendfile64+0x15d/0x250 fs/read_write.c:1487 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #2 (&p->lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x166/0x1700 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 seq_read+0x71/0x1150 fs/seq_file.c:161 do_loop_readv_writev fs/read_write.c:700 [inline] do_iter_read+0x4a3/0x650 fs/read_write.c:924 vfs_readv+0x175/0x1c0 fs/read_write.c:986 kernel_readv fs/splice.c:362 [inline] default_file_splice_read+0x53c/0xb20 fs/splice.c:417 do_splice_to+0x12e/0x190 fs/splice.c:881 splice_direct_to_actor+0x270/0x8f0 fs/splice.c:953 do_splice_direct+0x2d4/0x420 fs/splice.c:1062 do_sendfile+0x62a/0xe20 fs/read_write.c:1440 __do_sys_sendfile64 fs/read_write.c:1495 [inline] __se_sys_sendfile64 fs/read_write.c:1487 [inline] __x64_sys_sendfile64+0x15d/0x250 fs/read_write.c:1487 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #1 (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+0x214/0x370 fs/super.c:1387 file_start_write include/linux/fs.h:2761 [inline] ovl_write_iter+0x9a7/0xd10 fs/overlayfs/file.c:243 call_write_iter include/linux/fs.h:1808 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x6b8/0x9f0 fs/read_write.c:487 vfs_write+0x1fc/0x560 fs/read_write.c:549 ksys_write+0x101/0x260 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:607 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&ovl_i_mutex_key[depth]){+.+.}: lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3900 down_write+0x8a/0x130 kernel/locking/rwsem.c:70 inode_lock include/linux/fs.h:738 [inline] process_measurement+0xc3e/0x1bf0 security/integrity/ima/ima_main.c:205 ima_file_check+0xe5/0x130 security/integrity/ima/ima_main.c:391 do_last fs/namei.c:3422 [inline] path_openat+0x134d/0x5160 fs/namei.c:3534 do_filp_open+0x255/0x380 fs/namei.c:3564 do_open_execat+0x221/0x8e0 fs/exec.c:853 __do_execve_file.isra.33+0x173f/0x2540 fs/exec.c:1755 do_execveat_common fs/exec.c:1866 [inline] do_execve fs/exec.c:1883 [inline] __do_sys_execve fs/exec.c:1964 [inline] __se_sys_execve fs/exec.c:1959 [inline] __x64_sys_execve+0x8f/0xc0 fs/exec.c:1959 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: Chain exists of: &ovl_i_mutex_key[depth] --> &p->lock --> &sig->cred_guard_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&sig->cred_guard_mutex); lock(&p->lock); lock(&sig->cred_guard_mutex); lock(&ovl_i_mutex_key[depth]); *** DEADLOCK *** 1 lock held by syz-executor2/27649: #0: 00000000ee6ebb8f (&sig->cred_guard_mutex){+.+.}, at: prepare_bprm_creds+0x53/0x120 fs/exec.c:1404 stack backtrace: CPU: 0 PID: 27649 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #62 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+0x1c4/0x2b4 lib/dump_stack.c:113 print_circular_bug.isra.33.cold.54+0x1bd/0x27d kernel/locking/lockdep.c:1221 check_prev_add kernel/locking/lockdep.c:1861 [inline] check_prevs_add kernel/locking/lockdep.c:1974 [inline] validate_chain kernel/locking/lockdep.c:2415 [inline] __lock_acquire+0x33e4/0x4ec0 kernel/locking/lockdep.c:3411 lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3900 down_write+0x8a/0x130 kernel/locking/rwsem.c:70 inode_lock include/linux/fs.h:738 [inline] process_measurement+0xc3e/0x1bf0 security/integrity/ima/ima_main.c:205 ima_file_check+0xe5/0x130 security/integrity/ima/ima_main.c:391 do_last fs/namei.c:3422 [inline] path_openat+0x134d/0x5160 fs/namei.c:3534 do_filp_open+0x255/0x380 fs/namei.c:3564 do_open_execat+0x221/0x8e0 fs/exec.c:853 __do_execve_file.isra.33+0x173f/0x2540 fs/exec.c:1755 do_execveat_common fs/exec.c:1866 [inline] do_execve fs/exec.c:1883 [inline] __do_sys_execve fs/exec.c:1964 [inline] __se_sys_execve fs/exec.c:1959 [inline] __x64_sys_execve+0x8f/0xc0 fs/exec.c:1959 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:00007f744dcb7c78 EFLAGS: 00000246 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 RDX: 0000000020000880 RSI: 0000000020000640 RDI: 0000000020000480 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f744dcb86d4 R13: 00000000004bdbd4 R14: 00000000004cc7d8 R15: 00000000ffffffff kobject: 'rx-0' (000000007bd6be48): kobject_cleanup, parent 00000000c6fa094c kobject: 'rx-0' (000000007bd6be48): auto cleanup 'remove' event kobject: 'rx-0' (000000007bd6be48): kobject_uevent_env kobject: 'rx-0' (000000007bd6be48): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000007bd6be48): auto cleanup kobject_del kobject: 'rx-0' (000000007bd6be48): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000021d553c1): kobject_cleanup, parent 00000000c6fa094c kobject: 'tx-0' (0000000021d553c1): auto cleanup 'remove' event kobject: 'tx-0' (0000000021d553c1): kobject_uevent_env kobject: 'tx-0' (0000000021d553c1): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (0000000021d553c1): auto cleanup kobject_del kobject: 'tx-0' (0000000021d553c1): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000c6fa094c): kobject_cleanup, parent (null) kobject: 'queues' (00000000c6fa094c): calling ktype release kobject: 'queues' (00000000c6fa094c): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (00000000f9338d02): kobject_uevent_env kobject: 'ip6gre0' (00000000f9338d02): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000791eb36a): kobject_cleanup, parent 00000000c52306b4 kobject: 'rx-0' (00000000791eb36a): auto cleanup 'remove' event kobject: 'rx-0' (00000000791eb36a): kobject_uevent_env kobject: 'rx-0' (00000000791eb36a): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000791eb36a): auto cleanup kobject_del kobject: 'rx-0' (00000000791eb36a): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000009f300714): kobject_cleanup, parent 00000000c52306b4 kobject: 'tx-0' (000000009f300714): auto cleanup 'remove' event kobject: 'tx-0' (000000009f300714): kobject_uevent_env kobject: 'tx-0' (000000009f300714): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000009f300714): auto cleanup kobject_del kobject: 'tx-0' (000000009f300714): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000c52306b4): kobject_cleanup, parent (null) kobject: 'queues' (00000000c52306b4): calling ktype release kobject: 'queues' (00000000c52306b4): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (00000000049f2cf0): kobject_uevent_env kobject: 'ip6gre0' (00000000049f2cf0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000027377617): kobject_cleanup, parent 000000001882a08d kobject: 'rx-0' (0000000027377617): auto cleanup 'remove' event kobject: 'rx-0' (0000000027377617): kobject_uevent_env kobject: 'rx-0' (0000000027377617): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000027377617): auto cleanup kobject_del kobject: 'rx-0' (0000000027377617): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000034f54322): kobject_cleanup, parent 000000001882a08d kobject: 'tx-0' (0000000034f54322): auto cleanup 'remove' event kobject: 'tx-0' (0000000034f54322): kobject_uevent_env kobject: 'tx-0' (0000000034f54322): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (0000000034f54322): auto cleanup kobject_del kobject: 'tx-0' (0000000034f54322): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000001882a08d): kobject_cleanup, parent (null) kobject: 'queues' (000000001882a08d): calling ktype release kobject: 'queues' (000000001882a08d): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (0000000032561903): kobject_uevent_env kobject: 'ip6gre0' (0000000032561903): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000006ab87aa2): kobject_cleanup, parent 0000000037aef7a7 kobject: 'rx-0' (000000006ab87aa2): auto cleanup 'remove' event kobject: 'rx-0' (000000006ab87aa2): kobject_uevent_env kobject: 'rx-0' (000000006ab87aa2): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000006ab87aa2): auto cleanup kobject_del kobject: 'rx-0' (000000006ab87aa2): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000889ca5f5): kobject_cleanup, parent 0000000037aef7a7 kobject: 'tx-0' (00000000889ca5f5): auto cleanup 'remove' event kobject: 'tx-0' (00000000889ca5f5): kobject_uevent_env kobject: 'tx-0' (00000000889ca5f5): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000889ca5f5): auto cleanup kobject_del kobject: 'tx-0' (00000000889ca5f5): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000037aef7a7): kobject_cleanup, parent (null) kobject: 'queues' (0000000037aef7a7): calling ktype release kobject: 'queues' (0000000037aef7a7): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (00000000e966d873): kobject_uevent_env kobject: 'ip6gre0' (00000000e966d873): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000d5349f8c): kobject_cleanup, parent 000000001e9b5d4b kobject: 'rx-0' (00000000d5349f8c): auto cleanup 'remove' event kobject: 'rx-0' (00000000d5349f8c): kobject_uevent_env kobject: 'rx-0' (00000000d5349f8c): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000d5349f8c): auto cleanup kobject_del kobject: 'rx-0' (00000000d5349f8c): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000092b96042): kobject_cleanup, parent 000000001e9b5d4b kobject: 'tx-0' (0000000092b96042): auto cleanup 'remove' event kobject: 'tx-0' (0000000092b96042): kobject_uevent_env kobject: 'tx-0' (0000000092b96042): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (0000000092b96042): auto cleanup kobject_del kobject: 'tx-0' (0000000092b96042): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000001e9b5d4b): kobject_cleanup, parent (null) kobject: 'queues' (000000001e9b5d4b): calling ktype release kobject: 'queues' (000000001e9b5d4b): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (0000000035ef5e09): kobject_uevent_env kobject: 'ip6gre0' (0000000035ef5e09): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000008cbbe939): kobject_cleanup, parent 000000007598cd66 kobject: 'rx-0' (000000008cbbe939): auto cleanup 'remove' event kobject: 'rx-0' (000000008cbbe939): kobject_uevent_env kobject: 'rx-0' (000000008cbbe939): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000008cbbe939): auto cleanup kobject_del kobject: 'rx-0' (000000008cbbe939): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000074e79264): kobject_cleanup, parent 000000007598cd66 kobject: 'tx-0' (0000000074e79264): auto cleanup 'remove' event kobject: 'tx-0' (0000000074e79264): kobject_uevent_env kobject: 'tx-0' (0000000074e79264): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (0000000074e79264): auto cleanup kobject_del kobject: 'tx-0' (0000000074e79264): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000007598cd66): kobject_cleanup, parent (null) kobject: 'queues' (000000007598cd66): calling ktype release kobject: 'queues' (000000007598cd66): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (000000002ccfd8fc): kobject_uevent_env kobject: 'ip6gre0' (000000002ccfd8fc): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000047f264d7): kobject_cleanup, parent 00000000ce53a7c2 kobject: 'rx-0' (0000000047f264d7): auto cleanup 'remove' event kobject: 'rx-0' (0000000047f264d7): kobject_uevent_env kobject: 'rx-0' (0000000047f264d7): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000047f264d7): auto cleanup kobject_del kobject: 'rx-0' (0000000047f264d7): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000009e88903a): kobject_cleanup, parent 00000000ce53a7c2 kobject: 'tx-0' (000000009e88903a): auto cleanup 'remove' event kobject: 'tx-0' (000000009e88903a): kobject_uevent_env kobject: 'tx-0' (000000009e88903a): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000009e88903a): auto cleanup kobject_del kobject: 'tx-0' (000000009e88903a): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000ce53a7c2): kobject_cleanup, parent (null) kobject: 'queues' (00000000ce53a7c2): calling ktype release kobject: 'queues' (00000000ce53a7c2): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (00000000015f1751): kobject_uevent_env kobject: 'ip6gre0' (00000000015f1751): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000091ea7380): kobject_cleanup, parent 0000000038f820ce kobject: 'rx-0' (0000000091ea7380): auto cleanup 'remove' event kobject: 'rx-0' (0000000091ea7380): kobject_uevent_env kobject: 'rx-0' (0000000091ea7380): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000091ea7380): auto cleanup kobject_del kobject: 'rx-0' (0000000091ea7380): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000089aa65db): kobject_cleanup, parent 0000000038f820ce kobject: 'tx-0' (0000000089aa65db): auto cleanup 'remove' event kobject: 'tx-0' (0000000089aa65db): kobject_uevent_env kobject: 'tx-0' (0000000089aa65db): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (0000000089aa65db): auto cleanup kobject_del kobject: 'tx-0' (0000000089aa65db): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000038f820ce): kobject_cleanup, parent (null) kobject: 'queues' (0000000038f820ce): calling ktype release kobject: 'queues' (0000000038f820ce): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (00000000635b4634): kobject_uevent_env kobject: 'ip6gre0' (00000000635b4634): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (00000000f9338d02): kobject_cleanup, parent (null) kobject: 'ip6gre0' (00000000f9338d02): auto cleanup 'remove' event kobject: 'ip6gre0' (00000000f9338d02): kobject_uevent_env kobject: 'ip6gre0' (00000000f9338d02): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (00000000f9338d02): calling ktype release kobject: 'ip6gre0': free name kobject: 'ip6gre0' (00000000049f2cf0): kobject_cleanup, parent (null) kobject: 'ip6gre0' (00000000049f2cf0): auto cleanup 'remove' event kobject: 'ip6gre0' (00000000049f2cf0): kobject_uevent_env kobject: 'ip6gre0' (00000000049f2cf0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (00000000049f2cf0): calling ktype release kobject: 'ip6gre0': free name kobject: 'ip6gre0' (0000000032561903): kobject_cleanup, parent (null) kobject: 'ip6gre0' (0000000032561903): auto cleanup 'remove' event kobject: 'ip6gre0' (0000000032561903): kobject_uevent_env kobject: 'ip6gre0' (0000000032561903): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (0000000032561903): calling ktype release kobject: 'ip6gre0': free name kobject: 'ip6gre0' (00000000e966d873): kobject_cleanup, parent (null) kobject: 'ip6gre0' (00000000e966d873): auto cleanup 'remove' event kobject: 'ip6gre0' (00000000e966d873): kobject_uevent_env kobject: 'ip6gre0' (00000000e966d873): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (00000000e966d873): calling ktype release kobject: 'ip6gre0': free name kobject: 'ip6gre0' (0000000035ef5e09): kobject_cleanup, parent (null) kobject: 'ip6gre0' (0000000035ef5e09): auto cleanup 'remove' event kobject: 'ip6gre0' (0000000035ef5e09): kobject_uevent_env kobject: 'ip6gre0' (0000000035ef5e09): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (0000000035ef5e09): calling ktype release kobject: 'ip6gre0': free name kobject: 'ip6gre0' (000000002ccfd8fc): kobject_cleanup, parent (null) kobject: 'ip6gre0' (000000002ccfd8fc): auto cleanup 'remove' event kobject: 'ip6gre0' (000000002ccfd8fc): kobject_uevent_env kobject: 'ip6gre0' (000000002ccfd8fc): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (000000002ccfd8fc): calling ktype release kobject: 'ip6gre0': free name kobject: 'ip6gre0' (00000000015f1751): kobject_cleanup, parent (null) kobject: 'ip6gre0' (00000000015f1751): auto cleanup 'remove' event kobject: 'ip6gre0' (00000000015f1751): kobject_uevent_env kobject: 'ip6gre0' (00000000015f1751): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (00000000015f1751): calling ktype release kobject: 'ip6gre0': free name kobject: 'ip6gre0' (00000000635b4634): kobject_cleanup, parent (null) kobject: 'ip6gre0' (00000000635b4634): auto cleanup 'remove' event kobject: 'ip6gre0' (00000000635b4634): kobject_uevent_env kobject: 'ip6gre0' (00000000635b4634): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (00000000635b4634): calling ktype release kobject: 'ip6gre0': free name kobject: 'rx-0' (000000005091c856): kobject_cleanup, parent 00000000e636307c kobject: 'rx-0' (000000005091c856): auto cleanup 'remove' event kobject: 'rx-0' (000000005091c856): kobject_uevent_env kobject: 'rx-0' (000000005091c856): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000005091c856): auto cleanup kobject_del kobject: 'rx-0' (000000005091c856): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000e16b6c12): kobject_cleanup, parent 00000000e636307c kobject: 'tx-0' (00000000e16b6c12): auto cleanup 'remove' event kobject: 'tx-0' (00000000e16b6c12): kobject_uevent_env kobject: 'tx-0' (00000000e16b6c12): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000e16b6c12): auto cleanup kobject_del kobject: 'tx-0' (00000000e16b6c12): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000e636307c): kobject_cleanup, parent (null) kobject: 'queues' (00000000e636307c): calling ktype release kobject: 'queues' (00000000e636307c): kset_release kobject: 'queues': free name kobject: 'ip6tnl0' (00000000538762db): kobject_uevent_env kobject: 'ip6tnl0' (00000000538762db): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000000e4de888): kobject_cleanup, parent 000000004fa9a18f kobject: 'rx-0' (000000000e4de888): auto cleanup 'remove' event kobject: 'rx-0' (000000000e4de888): kobject_uevent_env kobject: 'rx-0' (000000000e4de888): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000000e4de888): auto cleanup kobject_del kobject: 'rx-0' (000000000e4de888): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000b78127fa): kobject_cleanup, parent 000000004fa9a18f kobject: 'tx-0' (00000000b78127fa): auto cleanup 'remove' event kobject: 'tx-0' (00000000b78127fa): kobject_uevent_env kobject: 'tx-0' (00000000b78127fa): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000b78127fa): auto cleanup kobject_del kobject: 'tx-0' (00000000b78127fa): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000004fa9a18f): kobject_cleanup, parent (null) kobject: 'queues' (000000004fa9a18f): calling ktype release kobject: 'queues' (000000004fa9a18f): kset_release kobject: 'queues': free name kobject: 'ip6tnl0' (000000002f97775e): kobject_uevent_env kobject: 'ip6tnl0' (000000002f97775e): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000df0bc3d3): kobject_cleanup, parent 00000000f5a10199 kobject: 'rx-0' (00000000df0bc3d3): auto cleanup 'remove' event kobject: 'rx-0' (00000000df0bc3d3): kobject_uevent_env kobject: 'rx-0' (00000000df0bc3d3): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000df0bc3d3): auto cleanup kobject_del kobject: 'rx-0' (00000000df0bc3d3): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000b6c59128): kobject_cleanup, parent 00000000f5a10199 kobject: 'tx-0' (00000000b6c59128): auto cleanup 'remove' event kobject: 'tx-0' (00000000b6c59128): kobject_uevent_env kobject: 'tx-0' (00000000b6c59128): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000b6c59128): auto cleanup kobject_del kobject: 'tx-0' (00000000b6c59128): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000f5a10199): kobject_cleanup, parent (null) kobject: 'queues' (00000000f5a10199): calling ktype release kobject: 'queues' (00000000f5a10199): kset_release kobject: 'queues': free name kobject: 'ip6tnl0' (00000000c05e641e): kobject_uevent_env kobject: 'ip6tnl0' (00000000c05e641e): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000c0861af7): kobject_cleanup, parent 00000000b2262ae6 kobject: 'rx-0' (00000000c0861af7): auto cleanup 'remove' event kobject: 'rx-0' (00000000c0861af7): kobject_uevent_env kobject: 'rx-0' (00000000c0861af7): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000c0861af7): auto cleanup kobject_del kobject: 'rx-0' (00000000c0861af7): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000003ffd4ed4): kobject_cleanup, parent 00000000b2262ae6 kobject: 'tx-0' (000000003ffd4ed4): auto cleanup 'remove' event kobject: 'tx-0' (000000003ffd4ed4): kobject_uevent_env kobject: 'tx-0' (000000003ffd4ed4): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000003ffd4ed4): auto cleanup kobject_del kobject: 'tx-0' (000000003ffd4ed4): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000b2262ae6): kobject_cleanup, parent (null) kobject: 'queues' (00000000b2262ae6): calling ktype release kobject: 'queues' (00000000b2262ae6): kset_release kobject: 'queues': free name kobject: 'ip6tnl0' (00000000bbc7feda): kobject_uevent_env