possible deadlock in seq_read

[syzbot]

Hello,

syzbot found the following crash on:

HEAD commit: f4cc0ed9 Linux 4.14.131
git tree: linux-4.14.y
console output: https://syzkaller.appspot.com/x/log.txt?x=13817019a00000
kernel config: https://syzkaller.appspot.com/x/.config?x=ab1953b2cdac00f5
dashboard link: https://syzkaller.appspot.com/bug?extid=cf7287166159561d1bb3
compiler: gcc (GCC) 9.0.0 20181231 (experimental)

Unfortunately, I don't have any reproducer for this crash yet.

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+cf7287...@syzkaller.appspotmail.com

net_ratelimit: 20 callbacks suppressed
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
======================================================
WARNING: possible circular locking dependency detected
4.14.131 #25 Not tainted
------------------------------------------------------
syz-executor.3/27489 is trying to acquire lock:
(&p->lock){+.+.}, at: [<ffffffff81952ba1>] seq_read+0xc1/0x1280
fs/seq_file.c:165

but task is already holding lock:
(sb_writers#4){.+.+}, at: [<ffffffff818d3212>] file_start_write
include/linux/fs.h:2705 [inline]
(sb_writers#4){.+.+}, at: [<ffffffff818d3212>] do_sendfile+0x912/0xbd0
fs/read_write.c:1440

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #3 (sb_writers#4){.+.+}:
lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991
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+0x1ae/0x2f0 fs/super.c:1363
sb_start_write include/linux/fs.h:1548 [inline]
mnt_want_write+0x3f/0xb0 fs/namespace.c:386
ovl_want_write+0x76/0xa0 fs/overlayfs/util.c:25
ovl_do_remove+0x68/0xbd0 fs/overlayfs/dir.c:759
ovl_rmdir+0x1b/0x20 fs/overlayfs/dir.c:797
vfs_rmdir fs/namei.c:3905 [inline]
vfs_rmdir+0x218/0x420 fs/namei.c:3883
do_rmdir+0x316/0x390 fs/namei.c:3965
SYSC_rmdir fs/namei.c:3983 [inline]
SyS_rmdir+0x1b/0x20 fs/namei.c:3981
do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7

-> #2 (&ovl_i_mutex_dir_key[depth]#2){++++}:
lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991
down_read+0x3b/0xb0 kernel/locking/rwsem.c:24
inode_lock_shared include/linux/fs.h:728 [inline]
do_last fs/namei.c:3330 [inline]
path_openat+0x191c/0x3f70 fs/namei.c:3566
do_filp_open+0x18e/0x250 fs/namei.c:3600
do_open_execat+0xe7/0x4a0 fs/exec.c:849
do_execveat_common.isra.0+0x6d2/0x1dd0 fs/exec.c:1740
do_execve fs/exec.c:1847 [inline]
SYSC_execve fs/exec.c:1928 [inline]
SyS_execve+0x39/0x50 fs/exec.c:1923
do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7

-> #1 (&sig->cred_guard_mutex){+.+.}:
lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893
mutex_lock_killable_nested+0x16/0x20 kernel/locking/mutex.c:923
lock_trace+0x44/0xc0 fs/proc/base.c:407
proc_pid_syscall+0x8c/0x200 fs/proc/base.c:639
proc_single_show+0xf0/0x160 fs/proc/base.c:761
seq_read+0x51a/0x1280 fs/seq_file.c:237
do_loop_readv_writev fs/read_write.c:695 [inline]
do_loop_readv_writev fs/read_write.c:682 [inline]
do_iter_read+0x3e2/0x5b0 fs/read_write.c:919
vfs_readv+0xd3/0x130 fs/read_write.c:981
kernel_readv fs/splice.c:361 [inline]
default_file_splice_read+0x421/0x7b0 fs/splice.c:416
do_splice_to+0x105/0x170 fs/splice.c:880
splice_direct_to_actor+0x222/0x7b0 fs/splice.c:952
do_splice_direct+0x18d/0x230 fs/splice.c:1061
do_sendfile+0x4db/0xbd0 fs/read_write.c:1441
SYSC_sendfile64 fs/read_write.c:1502 [inline]
SyS_sendfile64+0x102/0x110 fs/read_write.c:1488
do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7

-> #0 (&p->lock){+.+.}:
check_prev_add kernel/locking/lockdep.c:1901 [inline]
check_prevs_add kernel/locking/lockdep.c:2018 [inline]
validate_chain kernel/locking/lockdep.c:2460 [inline]
__lock_acquire+0x2c89/0x45e0 kernel/locking/lockdep.c:3487
lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908
seq_read+0xc1/0x1280 fs/seq_file.c:165
do_loop_readv_writev fs/read_write.c:695 [inline]
do_loop_readv_writev fs/read_write.c:682 [inline]
do_iter_read+0x3e2/0x5b0 fs/read_write.c:919
vfs_readv+0xd3/0x130 fs/read_write.c:981
kernel_readv fs/splice.c:361 [inline]
default_file_splice_read+0x421/0x7b0 fs/splice.c:416
protocol 88fb is buggy, dev hsr_slave_0
do_splice_to+0x105/0x170 fs/splice.c:880
splice_direct_to_actor+0x222/0x7b0 fs/splice.c:952
do_splice_direct+0x18d/0x230 fs/splice.c:1061
do_sendfile+0x4db/0xbd0 fs/read_write.c:1441
SYSC_sendfile64 fs/read_write.c:1502 [inline]
SyS_sendfile64+0x102/0x110 fs/read_write.c:1488
do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
protocol 88fb is buggy, dev hsr_slave_1
entry_SYSCALL_64_after_hwframe+0x42/0xb7

other info that might help us debug this:

Chain exists of:
&p->lock --> &ovl_i_mutex_dir_key[depth]#2 --> sb_writers#4

Possible unsafe locking scenario:

CPU0 CPU1
---- ----
lock(sb_writers#4);
lock(&ovl_i_mutex_dir_key[depth]#2);
lock(sb_writers#4);
lock(&p->lock);

*** DEADLOCK ***

1 lock held by syz-executor.3/27489:
#0: (sb_writers#4){.+.+}, at: [<ffffffff818d3212>] file_start_write
include/linux/fs.h:2705 [inline]
#0: (sb_writers#4){.+.+}, at: [<ffffffff818d3212>]
do_sendfile+0x912/0xbd0 fs/read_write.c:1440

stack backtrace:
CPU: 0 PID: 27489 Comm: syz-executor.3 Not tainted 4.14.131 #25
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x138/0x19c lib/dump_stack.c:53
print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1258
check_prev_add kernel/locking/lockdep.c:1901 [inline]
check_prevs_add kernel/locking/lockdep.c:2018 [inline]
validate_chain kernel/locking/lockdep.c:2460 [inline]
__lock_acquire+0x2c89/0x45e0 kernel/locking/lockdep.c:3487
lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908
seq_read+0xc1/0x1280 fs/seq_file.c:165
do_loop_readv_writev fs/read_write.c:695 [inline]
do_loop_readv_writev fs/read_write.c:682 [inline]
do_iter_read+0x3e2/0x5b0 fs/read_write.c:919
vfs_readv+0xd3/0x130 fs/read_write.c:981
kobject: 'kvm' (ffff8880a6e41390): kobject_uevent_env
kernel_readv fs/splice.c:361 [inline]
default_file_splice_read+0x421/0x7b0 fs/splice.c:416
do_splice_to+0x105/0x170 fs/splice.c:880
splice_direct_to_actor+0x222/0x7b0 fs/splice.c:952
do_splice_direct+0x18d/0x230 fs/splice.c:1061
kobject: 'kvm' (ffff8880a6e41390): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
do_sendfile+0x4db/0xbd0 fs/read_write.c:1441
kobject: 'kvm' (ffff8880a6e41390): kobject_uevent_env
SYSC_sendfile64 fs/read_write.c:1502 [inline]
SyS_sendfile64+0x102/0x110 fs/read_write.c:1488
kobject: 'kvm' (ffff8880a6e41390): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
kobject: 'kvm' (ffff8880a6e41390): kobject_uevent_env
RIP: 0033:0x459519
RSP: 002b:00007fab90a65c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459519
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000005
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 02008000fffffffb R11: 0000000000000246 R12: 00007fab90a666d4
R13: 00000000004c6af0 R14: 00000000004dbd68 R15: 00000000ffffffff
protocol 88fb is buggy, dev hsr_slave_0
kobject: 'kvm' (ffff8880a6e41390): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'kvm' (ffff8880a6e41390): kobject_uevent_env
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'kvm' (ffff8880a6e41390): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
protocol 88fb is buggy, dev hsr_slave_0
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'loop0' (ffff88805b71eca0): kobject_uevent_env
kobject: 'loop0' (ffff88805b71eca0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop2' (ffff8880a49f31e0): kobject_uevent_env
kobject: 'loop2' (ffff8880a49f31e0): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
protocol 88fb is buggy, dev hsr_slave_0
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
caif:caif_disconnect_client(): nothing to disconnect
caif:caif_disconnect_client(): nothing to disconnect
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop0' (ffff88805b71eca0): kobject_uevent_env
kobject: 'loop0' (ffff88805b71eca0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff88805b71eca0): kobject_uevent_env
kobject: 'loop0' (ffff88805b71eca0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop0' (ffff88805b71eca0): kobject_uevent_env
kobject: 'loop0' (ffff88805b71eca0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'ip6tnl1' (ffff88805837ed70): kobject_add_internal: parent: 'net',
set: 'devices'
kobject: 'loop2' (ffff8880a49f31e0): kobject_uevent_env
kobject: 'ip6tnl1' (ffff88805837ed70): kobject_uevent_env
kobject: 'loop2' (ffff8880a49f31e0): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'ip6tnl1' (ffff88805837ed70): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl1'
kobject: 'loop0' (ffff88805b71eca0): kobject_uevent_env
kobject: 'queues' (ffff88804a0f5148): kobject_add_internal:
parent: 'ip6tnl1', set: '<NULL>'
kobject: 'loop0' (ffff88805b71eca0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'queues' (ffff88804a0f5148): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'queues' (ffff88804a0f5148): kobject_uevent_env: filter function
caused the event to drop!
kobject: 'loop2' (ffff8880a49f31e0): kobject_uevent_env
kobject: 'rx-0' (ffff88808aac40d0): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'loop2' (ffff8880a49f31e0): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop2' (ffff8880a49f31e0): kobject_uevent_env
kobject: 'rx-0' (ffff88808aac40d0): kobject_uevent_env
kobject: 'loop2' (ffff8880a49f31e0): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'rx-0' (ffff88808aac40d0): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl1/queues/rx-0'
kobject: 'tx-0' (ffff88809952c098): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-0' (ffff88809952c098): kobject_uevent_env
kobject: 'tx-0' (ffff88809952c098): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl1/queues/tx-0'
kobject: 'loop0' (ffff88805b71eca0): kobject_uevent_env
kobject: 'loop0' (ffff88805b71eca0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
delete_channel: no stack
delete_channel: no stack
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
hfs: unable to parse mount options
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: '0:44' (ffff888082df6450): kobject_add_internal: parent: 'bdi',
set: 'devices'
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: '0:44' (ffff888082df6450): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: '0:44' (ffff888082df6450): fill_kobj_path: path
= '/devices/virtual/bdi/0:44'
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
kobject: 'ip6tnl2' (ffff88807d021430): kobject_add_internal: parent: 'net',
set: 'devices'
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'ip6tnl2' (ffff88807d021430): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'ip6tnl2' (ffff88807d021430): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl2'
hfs: unable to parse mount options
kobject: 'loop2' (ffff8880a49f31e0): kobject_uevent_env
kobject: 'loop2' (ffff8880a49f31e0): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'queues' (ffff88808c217b48): kobject_add_internal:
parent: 'ip6tnl2', set: '<NULL>'
kobject: '0:52' (ffff88805a410190): kobject_add_internal: parent: 'bdi',
set: 'devices'
kobject: 'queues' (ffff88808c217b48): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'queues' (ffff88808c217b48): kobject_uevent_env: filter function
caused the event to drop!
kobject: '0:52' (ffff88805a410190): kobject_uevent_env
kobject: 'rx-0' (ffff8880a1455310): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'rx-0' (ffff8880a1455310): kobject_uevent_env
kobject: '0:52' (ffff88805a410190): fill_kobj_path: path
= '/devices/virtual/bdi/0:52'
kobject: 'rx-0' (ffff8880a1455310): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl2/queues/rx-0'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'tx-0' (ffff88807b03a018): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'tx-0' (ffff88807b03a018): kobject_uevent_env
kobject: 'loop2' (ffff8880a49f31e0): kobject_uevent_env
kobject: 'tx-0' (ffff88807b03a018): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl2/queues/tx-0'
kobject: 'loop2' (ffff8880a49f31e0): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: '0:52' (ffff88805a410190): kobject_uevent_env
kobject: '0:52' (ffff88805a410190): fill_kobj_path: path
= '/devices/virtual/bdi/0:52'
kobject: 'loop0' (ffff88805b71eca0): kobject_uevent_env
kobject: 'loop0' (ffff88805b71eca0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: '0:52' (ffff88805a410190): kobject_cleanup, parent (null)
kobject: '0:52' (ffff88805a410190): calling ktype release
netlink: 8 bytes leftover after parsing attributes in process
`syz-executor.1'.
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'ip6tnl3' (ffff88805bc126b0): kobject_add_internal: parent: 'net',
set: 'devices'
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: '0:52': free name
kobject: 'ip6tnl3' (ffff88805bc126b0): kobject_uevent_env
kobject: 'ip6tnl3' (ffff88805bc126b0): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl3'
kobject: 'queues' (ffff8880a01a9948): kobject_add_internal:
parent: 'ip6tnl3', set: '<NULL>'
kobject: '0:44' (ffff888082df6450): kobject_uevent_env
kobject: 'queues' (ffff8880a01a9948): kobject_uevent_env
kobject: '0:44' (ffff888082df6450): fill_kobj_path: path
= '/devices/virtual/bdi/0:44'
kobject: 'queues' (ffff8880a01a9948): kobject_uevent_env: filter function
caused the event to drop!
kobject: '0:44' (ffff888082df6450): kobject_cleanup, parent (null)
kobject: 'rx-0' (ffff88807d1d9310): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: '0:44' (ffff888082df6450): calling ktype release
kobject: '0:44': free name
kobject: 'rx-0' (ffff88807d1d9310): kobject_uevent_env
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
kobject: 'rx-0' (ffff88807d1d9310): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl3/queues/rx-0'
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'tx-0' (ffff8880a6dd4ad8): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-0' (ffff8880a6dd4ad8): kobject_uevent_env
kobject: 'tx-0' (ffff8880a6dd4ad8): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl3/queues/tx-0'
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop0' (ffff88805b71eca0): kobject_uevent_env
kobject: 'loop0' (ffff88805b71eca0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'ip6tnl4' (ffff88805aa62830): kobject_add_internal: parent: 'net',
set: 'devices'
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'ip6tnl4' (ffff88805aa62830): kobject_uevent_env
kobject: 'ip6tnl4' (ffff88805aa62830): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl4'
kobject: 'queues' (ffff88807e497748): kobject_add_internal:
parent: 'ip6tnl4', set: '<NULL>'
kobject: 'queues' (ffff88807e497748): kobject_uevent_env
kobject: 'queues' (ffff88807e497748): kobject_uevent_env: filter function
caused the event to drop!
kobject: 'rx-0' (ffff8880795cfc10): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-0' (ffff8880795cfc10): kobject_uevent_env
kobject: 'rx-0' (ffff8880795cfc10): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl4/queues/rx-0'
kobject: 'tx-0' (ffff8880972be298): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-0' (ffff8880972be298): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'tx-0' (ffff8880972be298): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl4/queues/tx-0'
kobject: 'loop2' (ffff8880a49f31e0): kobject_uevent_env
kobject: 'loop2' (ffff8880a49f31e0): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'kvm' (ffff8880a6e41390): kobject_uevent_env
kobject: 'loop0' (ffff88805b71eca0): kobject_uevent_env
kobject: 'kvm' (ffff8880a6e41390): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop0' (ffff88805b71eca0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'kvm' (ffff8880a6e41390): kobject_uevent_env
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
bridge0: port 2(bridge_slave_1) entered disabled state
bridge0: port 1(bridge_slave_0) entered disabled state
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'kvm' (ffff8880a6e41390): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop2' (ffff8880a49f31e0): kobject_uevent_env
kobject: 'loop2' (ffff8880a49f31e0): fill_kobj_path: path
= '/devices/virtual/block/loop2'
bridge0: port 2(bridge_slave_1) entered blocking state
bridge0: port 2(bridge_slave_1) entered forwarding state
bridge0: port 1(bridge_slave_0) entered blocking state
kobject: 'loop0' (ffff88805b71eca0): kobject_uevent_env
bridge0: port 1(bridge_slave_0) entered forwarding state
kobject: 'loop0' (ffff88805b71eca0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
device bridge0 entered promiscuous mode
kobject: 'kvm' (ffff8880a6e41390): kobject_uevent_env
IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
kobject: 'kvm' (ffff8880a6e41390): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
bridge0: port 2(bridge_slave_1) entered disabled state
bridge0: port 1(bridge_slave_0) entered disabled state
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
device bridge0 left promiscuous mode
kobject: 'kvm' (ffff8880a6e41390): kobject_uevent_env
bridge0: port 2(bridge_slave_1) entered blocking state
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
bridge0: port 2(bridge_slave_1) entered forwarding state
bridge0: port 1(bridge_slave_0) entered blocking state
kobject: 'kvm' (ffff8880a6e41390): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
bridge0: port 1(bridge_slave_0) entered forwarding state
kobject: 'kvm' (ffff8880a6e41390): kobject_uevent_env
kobject: 'kvm' (ffff8880a6e41390): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'kvm' (ffff8880a6e41390): kobject_uevent_env
kobject: 'kvm' (ffff8880a6e41390): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
irq bypass consumer (token ffff888062f11b80) registration fails: -16
device bridge0 entered promiscuous mode
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'kvm' (ffff8880a6e41390): kobject_uevent_env
kobject: 'kvm' (ffff8880a6e41390): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'kvm' (ffff8880a6e41390): kobject_uevent_env
kobject: 'kvm' (ffff8880a6e41390): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop0' (ffff88805b71eca0): kobject_uevent_env
kobject: 'loop0' (ffff88805b71eca0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'ip6tnl5' (ffff88800e42d2b0): kobject_add_internal: parent: 'net',
set: 'devices'
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'ip6tnl5' (ffff88800e42d2b0): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'ip6tnl5' (ffff88800e42d2b0): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl5'
kobject: 'queues' (ffff88809e7fff48): kobject_add_internal:
parent: 'ip6tnl5', set: '<NULL>'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'queues' (ffff88809e7fff48): kobject_uevent_env
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'queues' (ffff88809e7fff48): kobject_uevent_env: filter function
caused the event to drop!
kobject: 'loop2' (ffff8880a49f31e0): kobject_uevent_env
kobject: 'rx-0' (ffff888081075490): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'loop2' (ffff8880a49f31e0): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'rx-0' (ffff888081075490): kobject_uevent_env
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
kobject: 'rx-0' (ffff888081075490): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl5/queues/rx-0'
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'tx-0' (ffff88808b299598): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'tx-0' (ffff88808b299598): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'tx-0' (ffff88808b299598): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl5/queues/tx-0'
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop2' (ffff8880a49f31e0): kobject_uevent_env
kobject: 'loop2' (ffff8880a49f31e0): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'ip6tnl6' (ffff88809869a670): kobject_add_internal: parent: 'net',
set: 'devices'
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'ip6tnl6' (ffff88809869a670): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'ip6tnl6' (ffff88809869a670): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl6'
kobject: 'loop0' (ffff88805b71eca0): kobject_uevent_env
kobject: 'queues' (ffff888063c3e148): kobject_add_internal:
parent: 'ip6tnl6', set: '<NULL>'
kobject: 'loop0' (ffff88805b71eca0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'queues' (ffff888063c3e148): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'queues' (ffff888063c3e148): kobject_uevent_env: filter function
caused the event to drop!
kobject: 'loop2' (ffff8880a49f31e0): kobject_uevent_env
kobject: 'rx-0' (ffff888078656b50): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'loop2' (ffff8880a49f31e0): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'loop0' (ffff88805b71eca0): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop0' (ffff88805b71eca0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'rx-0' (ffff888078656b50): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'rx-0' (ffff888078656b50): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl6/queues/rx-0'
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'tx-0' (ffff888090539d58): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'loop0' (ffff88805b71eca0): kobject_uevent_env
kobject: 'tx-0' (ffff888090539d58): kobject_uevent_env
kobject: 'loop0' (ffff88805b71eca0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'tx-0' (ffff888090539d58): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl6/queues/tx-0'
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
kobject: 'ip6tnl1' (ffff8880915a32b0): kobject_add_internal: parent: 'net',
set: 'devices'
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'ip6tnl1' (ffff8880915a32b0): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'ip6tnl1' (ffff8880915a32b0): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl1'
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
kobject: 'queues' (ffff8880996a0648): kobject_add_internal:
parent: 'ip6tnl1', set: '<NULL>'
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'queues' (ffff8880996a0648): kobject_uevent_env
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
kobject: 'queues' (ffff8880996a0648): kobject_uevent_env: filter function
caused the event to drop!
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'rx-0' (ffff88808a07b310): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'rx-0' (ffff88808a07b310): kobject_uevent_env
kobject: 'loop0' (ffff88805b71eca0): kobject_uevent_env
kobject: 'rx-0' (ffff88808a07b310): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl1/queues/rx-0'
kobject: 'loop0' (ffff88805b71eca0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'tx-0' (ffff88809f6690d8): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-0' (ffff88809f6690d8): kobject_uevent_env
net_ratelimit: 25 callbacks suppressed
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'tx-0' (ffff88809f6690d8): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl1/queues/tx-0'
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop2' (ffff8880a49f31e0): kobject_uevent_env
kobject: 'loop2' (ffff8880a49f31e0): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'ip6tnl7' (ffff888092b706f0): kobject_add_internal: parent: 'net',
set: 'devices'
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
kobject: 'ip6tnl7' (ffff888092b706f0): kobject_uevent_env
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'ip6tnl7' (ffff888092b706f0): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl7'
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
kobject: 'queues' (ffff8880a6e23148): kobject_add_internal:
parent: 'ip6tnl7', set: '<NULL>'
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'queues' (ffff8880a6e23148): kobject_uevent_env
kobject: 'queues' (ffff8880a6e23148): kobject_uevent_env: filter function
caused the event to drop!
kobject: 'rx-0' (ffff888092f8d190): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-0' (ffff888092f8d190): kobject_uevent_env
kobject: 'rx-0' (ffff888092f8d190): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl7/queues/rx-0'
kobject: 'tx-0' (ffff88808bc16098): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'loop2' (ffff8880a49f31e0): kobject_uevent_env
kobject: 'tx-0' (ffff88808bc16098): kobject_uevent_env
kobject: 'tx-0' (ffff88808bc16098): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl7/queues/tx-0'
kobject: 'loop2' (ffff8880a49f31e0): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop0' (ffff88805b71eca0): kobject_uevent_env
kobject: 'loop0' (ffff88805b71eca0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop0' (ffff88805b71eca0): kobject_uevent_env
kobject: 'loop0' (ffff88805b71eca0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
kobject: 'loop2' (ffff8880a49f31e0): kobject_uevent_env
kobject: 'loop2' (ffff8880a49f31e0): fill_kobj_path: path
= '/devices/virtual/block/loop2'
overlayfs: missing 'lowerdir'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'ip6tnl8' (ffff88807d5c10b0): kobject_add_internal: parent: 'net',
set: 'devices'
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
overlayfs: missing 'lowerdir'
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
kobject: 'ip6tnl8' (ffff88807d5c10b0): kobject_uevent_env
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'ip6tnl8' (ffff88807d5c10b0): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl8'
kobject: 'queues' (ffff88808b793348): kobject_add_internal:
parent: 'ip6tnl8', set: '<NULL>'
kobject: 'queues' (ffff88808b793348): kobject_uevent_env
kobject: 'loop2' (ffff8880a49f31e0): kobject_uevent_env
kobject: 'queues' (ffff88808b793348): kobject_uevent_env: filter function
caused the event to drop!
kobject: 'loop2' (ffff8880a49f31e0): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'rx-0' (ffff8880a8f58550): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'rx-0' (ffff8880a8f58550): kobject_uevent_env
kobject: 'loop2' (ffff8880a49f31e0): kobject_uevent_env
kobject: 'rx-0' (ffff8880a8f58550): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl8/queues/rx-0'
kobject: 'loop2' (ffff8880a49f31e0): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'tx-0' (ffff88809ffa1598): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'tx-0' (ffff88809ffa1598): kobject_uevent_env
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'tx-0' (ffff88809ffa1598): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl8/queues/tx-0'
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop0' (ffff88805b71eca0): kobject_uevent_env
kobject: 'loop0' (ffff88805b71eca0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
audit: type=1400 audit(2000000381.790:302): avc: denied { map } for
pid=28081 comm="syz-executor.4" path="/dev/binder0" dev="devtmpfs"
ino=14611 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023
tcontext=system_u:object_r:device_t:s0 tclass=chr_file permissive=1
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
audit: type=1400 audit(2000000381.830:303): avc: denied { set_context_mgr
} for pid=28081 comm="syz-executor.4"
scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023
tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=binder
permissive=1
binder: 28081:28086 ioctl c0306201 20000140 returned -14
binder: 28081:28099 ioctl c0306201 20000140 returned -14
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop2' (ffff8880a49f31e0): kobject_uevent_env
audit: type=1400 audit(2000000381.830:304): avc: denied { call } for
pid=28081 comm="syz-executor.4"
scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023
tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=binder
permissive=1
kobject: 'loop2' (ffff8880a49f31e0): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'ip6tnl1' (ffff8880a87349b0): kobject_add_internal: parent: 'net',
set: 'devices'
kobject: 'ip6tnl1' (ffff8880a87349b0): kobject_uevent_env
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'ip6tnl1' (ffff8880a87349b0): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl1'
binder: 28114:28120 ioctl c0306201 20000140 returned -14
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'queues' (ffff8880a0b50348): kobject_add_internal:
parent: 'ip6tnl1', set: '<NULL>'
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'queues' (ffff8880a0b50348): kobject_uevent_env
kobject: 'loop0' (ffff88805b71eca0): kobject_uevent_env
kobject: 'queues' (ffff8880a0b50348): kobject_uevent_env: filter function
caused the event to drop!
binder: 28132:28135 ioctl c0306201 20000140 returned -14
kobject: 'loop0' (ffff88805b71eca0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'rx-0' (ffff88808e446a90): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'loop2' (ffff8880a49f31e0): kobject_uevent_env
kobject: 'rx-0' (ffff88808e446a90): kobject_uevent_env
kobject: 'loop2' (ffff8880a49f31e0): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'rx-0' (ffff88808e446a90): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl1/queues/rx-0'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'tx-0' (ffff8880a6f58858): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'tx-0' (ffff8880a6f58858): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'tx-0' (ffff8880a6f58858): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl1/queues/tx-0'
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'ip6tnl9' (ffff888078d7c830): kobject_add_internal: parent: 'net',
set: 'devices'
kobject: 'loop0' (ffff88805b71eca0): kobject_uevent_env
kobject: 'ip6tnl9' (ffff888078d7c830): kobject_uevent_env
kobject: 'ip6tnl9' (ffff888078d7c830): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl9'
kobject: 'loop0' (ffff88805b71eca0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'queues' (ffff888059c0d148): kobject_add_internal:
parent: 'ip6tnl9', set: '<NULL>'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'queues' (ffff888059c0d148): kobject_uevent_env
kobject: 'queues' (ffff888059c0d148): kobject_uevent_env: filter function
caused the event to drop!
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
binder: 28145:28150 ioctl c0306201 20000140 returned -14
kobject: 'loop4' (ffff8880a4a84a20): kobject_uevent_env
kobject: 'rx-0' (ffff888086ee96d0): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-0' (ffff888086ee96d0): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a84a20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'rx-0' (ffff888086ee96d0): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl9/queues/rx-0'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env
kobject: 'loop5' (ffff8880a4a9caa0): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'tx-0' (ffff88809695aa58): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'loop3' (ffff8880a4a2c120): kobject_uevent_env
kobject: 'tx-0' (ffff88809695aa58): kobject_uevent_env
kobject: 'loop3' (ffff8880a4a2c120): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'tx-0' (ffff88809695aa58): fill_kobj_path: path
= '/devices/virtual/net/ip6tnl9/queues/tx-0'
kobject: 'loop5' (ffff8880a4a9caa0): kobject_uevent_env


---
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Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.