INFO: trying to register non-static key in bond_3ad_update_ad_actor_settings

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syzbot

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Oct 28, 2019, 1:18:14ā€ÆPM10/28/19
to an...@greyhouse.net, da...@davemloft.net, j.vos...@gmail.com, linux-...@vger.kernel.org, net...@vger.kernel.org, syzkall...@googlegroups.com, vfa...@gmail.com
Hello,

syzbot found the following crash on:

HEAD commit: 60c1769a Add linux-next specific files for 20191028
git tree: linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=14b90574e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=cb86688f30db053d
dashboard link: https://syzkaller.appspot.com/bug?extid=8da67f407bcba2c72e6e
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+8da67f...@syzkaller.appspotmail.com

validate_nla: 2 callbacks suppressed
netlink: 'syz-executor.2': attribute type 24 has an invalid length.
netlink: 'syz-executor.2': attribute type 1 has an invalid length.
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 1 PID: 16587 Comm: syz-executor.2 Not tainted 5.4.0-rc5-next-20191028
#0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
assign_lock_key kernel/locking/lockdep.c:881 [inline]
register_lock_class+0x179e/0x1850 kernel/locking/lockdep.c:1190
__lock_acquire+0xf4/0x4a00 kernel/locking/lockdep.c:3837
lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4487
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline]
_raw_spin_lock_bh+0x33/0x50 kernel/locking/spinlock.c:175
spin_lock_bh include/linux/spinlock.h:343 [inline]
bond_3ad_update_ad_actor_settings+0x37b/0x7b0
drivers/net/bonding/bond_3ad.c:2260
bond_option_ad_actor_sys_prio_set+0x67/0x80
drivers/net/bonding/bond_options.c:1434
__bond_opt_set+0x2a1/0x540 drivers/net/bonding/bond_options.c:677
bond_changelink+0x14ed/0x1bd0 drivers/net/bonding/bond_netlink.c:413
bond_newlink+0x2d/0x90 drivers/net/bonding/bond_netlink.c:454
__rtnl_newlink+0x10a1/0x16e0 net/core/rtnetlink.c:3268
rtnl_newlink+0x69/0xa0 net/core/rtnetlink.c:3326
rtnetlink_rcv_msg+0x45e/0xaf0 net/core/rtnetlink.c:5387
netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5405
netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
netlink_unicast+0x531/0x710 net/netlink/af_netlink.c:1328
netlink_sendmsg+0x8cf/0xda0 net/netlink/af_netlink.c:1917
sock_sendmsg_nosec net/socket.c:638 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:658
___sys_sendmsg+0x803/0x920 net/socket.c:2312
__sys_sendmsg+0x105/0x1d0 net/socket.c:2357
__do_sys_sendmsg net/socket.c:2366 [inline]
__se_sys_sendmsg net/socket.c:2364 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2364
do_syscall_64+0xfa/0x760 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459f39
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7
48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff
ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f1ca6c7ac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459f39
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1ca6c7b6d4
R13: 00000000004c8320 R14: 00000000004de420 R15: 00000000ffffffff
kobject: 'bond5' (0000000030c8073b): kobject_add_internal: parent: 'net',
set: 'devices'
kobject: 'bond5' (0000000030c8073b): kobject_uevent_env
kobject: 'bond5' (0000000030c8073b): fill_kobj_path: path
= '/devices/virtual/net/bond5'
kobject: 'queues' (00000000b3044d36): kobject_add_internal:
parent: 'bond5', set: '<NULL>'
kobject: 'queues' (00000000b3044d36): kobject_uevent_env
kobject: 'queues' (00000000b3044d36): kobject_uevent_env: filter function
caused the event to drop!
kobject: 'rx-0' (0000000011e747e6): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-0' (0000000011e747e6): kobject_uevent_env
kobject: 'rx-0' (0000000011e747e6): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/rx-0'
kobject: 'rx-1' (00000000497026af): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-1' (00000000497026af): kobject_uevent_env
kobject: 'rx-1' (00000000497026af): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/rx-1'
kobject: 'rx-2' (00000000010759d0): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-2' (00000000010759d0): kobject_uevent_env
kobject: 'rx-2' (00000000010759d0): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/rx-2'
kobject: 'rx-3' (00000000834e4fdb): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-3' (00000000834e4fdb): kobject_uevent_env
kobject: 'rx-3' (00000000834e4fdb): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/rx-3'
kobject: 'rx-4' (000000002f04b4d0): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-4' (000000002f04b4d0): kobject_uevent_env
kobject: 'rx-4' (000000002f04b4d0): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/rx-4'
kobject: 'rx-5' (00000000a8e87ede): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-5' (00000000a8e87ede): kobject_uevent_env
kobject: 'rx-5' (00000000a8e87ede): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/rx-5'
kobject: 'rx-6' (0000000046771599): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-6' (0000000046771599): kobject_uevent_env
kobject: 'rx-6' (0000000046771599): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/rx-6'
kobject: 'rx-7' (000000000bbe727f): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-7' (000000000bbe727f): kobject_uevent_env
kobject: 'rx-7' (000000000bbe727f): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/rx-7'
kobject: 'rx-8' (000000003b71f1bf): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-8' (000000003b71f1bf): kobject_uevent_env
kobject: 'rx-8' (000000003b71f1bf): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/rx-8'
kobject: 'rx-9' (000000005c8857f9): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-9' (000000005c8857f9): kobject_uevent_env
kobject: 'rx-9' (000000005c8857f9): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/rx-9'
kobject: 'rx-10' (0000000045ac7b51): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'rx-10' (0000000045ac7b51): kobject_uevent_env
kobject: 'rx-10' (0000000045ac7b51): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/rx-10'
kobject: 'rx-11' (00000000b5982a0d): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'rx-11' (00000000b5982a0d): kobject_uevent_env
kobject: 'rx-11' (00000000b5982a0d): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/rx-11'
kobject: 'rx-12' (00000000e8dc1f87): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'rx-12' (00000000e8dc1f87): kobject_uevent_env
kobject: 'rx-12' (00000000e8dc1f87): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/rx-12'
kobject: 'rx-13' (00000000d7795584): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'rx-13' (00000000d7795584): kobject_uevent_env
kobject: 'rx-13' (00000000d7795584): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/rx-13'
kobject: 'rx-14' (00000000596eebf3): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'rx-14' (00000000596eebf3): kobject_uevent_env
kobject: 'rx-14' (00000000596eebf3): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/rx-14'
kobject: 'rx-15' (00000000b045f7e4): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'rx-15' (00000000b045f7e4): kobject_uevent_env
kobject: 'rx-15' (00000000b045f7e4): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/rx-15'
kobject: 'tx-0' (00000000c6dcb83c): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-0' (00000000c6dcb83c): kobject_uevent_env
kobject: 'tx-0' (00000000c6dcb83c): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/tx-0'
kobject: 'tx-1' (00000000cd679d8e): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-1' (00000000cd679d8e): kobject_uevent_env
kobject: 'tx-1' (00000000cd679d8e): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/tx-1'
kobject: 'tx-2' (000000005e9289ef): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-2' (000000005e9289ef): kobject_uevent_env
kobject: 'tx-2' (000000005e9289ef): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/tx-2'
kobject: 'tx-3' (000000007d096435): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-3' (000000007d096435): kobject_uevent_env
kobject: 'tx-3' (000000007d096435): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/tx-3'
kobject: 'tx-4' (00000000e86e5471): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-4' (00000000e86e5471): kobject_uevent_env
kobject: 'tx-4' (00000000e86e5471): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/tx-4'
kobject: 'tx-5' (00000000a81574e7): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-5' (00000000a81574e7): kobject_uevent_env
kobject: 'tx-5' (00000000a81574e7): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/tx-5'
kobject: 'tx-6' (00000000de9466a0): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-6' (00000000de9466a0): kobject_uevent_env
kobject: 'tx-6' (00000000de9466a0): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/tx-6'
kobject: 'tx-7' (00000000088bce98): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-7' (00000000088bce98): kobject_uevent_env
kobject: 'tx-7' (00000000088bce98): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/tx-7'
kobject: 'tx-8' (0000000092dedf13): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-8' (0000000092dedf13): kobject_uevent_env
kobject: 'tx-8' (0000000092dedf13): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/tx-8'
kobject: 'tx-9' (000000003d373759): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-9' (000000003d373759): kobject_uevent_env
kobject: 'tx-9' (000000003d373759): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/tx-9'
kobject: 'tx-10' (00000000cc775474): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'tx-10' (00000000cc775474): kobject_uevent_env
kobject: 'tx-10' (00000000cc775474): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/tx-10'
kobject: 'tx-11' (000000007f0d872a): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'tx-11' (000000007f0d872a): kobject_uevent_env
kobject: 'tx-11' (000000007f0d872a): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/tx-11'
kobject: 'tx-12' (0000000081bcd29c): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'tx-12' (0000000081bcd29c): kobject_uevent_env
kobject: 'tx-12' (0000000081bcd29c): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/tx-12'
kobject: 'tx-13' (0000000005fecb61): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'tx-13' (0000000005fecb61): kobject_uevent_env
kobject: 'tx-13' (0000000005fecb61): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/tx-13'
kobject: 'tx-14' (00000000de8334e0): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'tx-14' (00000000de8334e0): kobject_uevent_env
kobject: 'tx-14' (00000000de8334e0): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/tx-14'
kobject: 'tx-15' (000000009cc7f5e5): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'tx-15' (000000009cc7f5e5): kobject_uevent_env
kobject: 'tx-15' (000000009cc7f5e5): fill_kobj_path: path
= '/devices/virtual/net/bond5/queues/tx-15'
kobject: 'batman_adv' (00000000ff71c398): kobject_add_internal:
parent: 'bond5', set: '<NULL>'


---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
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syzbot

unread,
Oct 28, 2019, 9:11:09ā€ÆPM10/28/19
to an...@greyhouse.net, da...@davemloft.net, j.vos...@gmail.com, linux-...@vger.kernel.org, net...@vger.kernel.org, syzkall...@googlegroups.com, vfa...@gmail.com
syzbot has found a reproducer for the following crash on:

HEAD commit: 60c1769a Add linux-next specific files for 20191028
git tree: linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=154d4374e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=cb86688f30db053d
dashboard link: https://syzkaller.appspot.com/bug?extid=8da67f407bcba2c72e6e
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14d43a04e00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16be3b9ce00000

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+8da67f...@syzkaller.appspotmail.com

netlink: 'syz-executor411': attribute type 24 has an invalid length.
netlink: 'syz-executor411': attribute type 1 has an invalid length.
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 1 PID: 8702 Comm: syz-executor411 Not tainted 5.4.0-rc5-next-20191028
RIP: 0033:0x4402b9
Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffc45a3b478 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004402b9
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003
RBP: 00000000006ca018 R08: 0000000000000001 R09: 00000000004002c8
R10: 000000000000000c R11: 0000000000000246 R12: 0000000000401b40
R13: 0000000000401bd0 R14: 0000000000000000 R15: 0000000000000000
kobject: 'bond1' (000000004c2e596c): kobject_add_internal: parent: 'net',
set: 'devices'
kobject: 'bond1' (000000004c2e596c): kobject_uevent_env
kobject: 'bond1' (000000004c2e596c): fill_kobj_path: path
= '/devices/virtual/net/bond1'
kobject: 'queues' (00000000dfeb0249): kobject_add_internal:
parent: 'bond1', set: '<NULL>'
kobject: 'queues' (00000000dfeb0249): kobject_uevent_env
kobject: 'queues' (00000000dfeb0249): kobject_uevent_env: filter function
caused the event to drop!
kobject: 'rx-0' (000000006cc022b5): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-0' (000000006cc022b5): kobject_uevent_env
kobject: 'rx-0' (000000006cc022b5): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/rx-0'
kobject: 'rx-1' (00000000f41ae229): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-1' (00000000f41ae229): kobject_uevent_env
kobject: 'rx-1' (00000000f41ae229): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/rx-1'
kobject: 'rx-2' (00000000f65859db): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-2' (00000000f65859db): kobject_uevent_env
kobject: 'rx-2' (00000000f65859db): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/rx-2'
kobject: 'rx-3' (000000002efb6c90): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-3' (000000002efb6c90): kobject_uevent_env
kobject: 'rx-3' (000000002efb6c90): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/rx-3'
kobject: 'rx-4' (00000000a4015138): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-4' (00000000a4015138): kobject_uevent_env
kobject: 'rx-4' (00000000a4015138): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/rx-4'
kobject: 'rx-5' (00000000a9a2c066): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-5' (00000000a9a2c066): kobject_uevent_env
kobject: 'rx-5' (00000000a9a2c066): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/rx-5'
kobject: 'rx-6' (00000000f0181667): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-6' (00000000f0181667): kobject_uevent_env
kobject: 'rx-6' (00000000f0181667): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/rx-6'
kobject: 'rx-7' (00000000ac83f7a2): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-7' (00000000ac83f7a2): kobject_uevent_env
kobject: 'rx-7' (00000000ac83f7a2): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/rx-7'
kobject: 'rx-8' (000000000447065e): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-8' (000000000447065e): kobject_uevent_env
kobject: 'rx-8' (000000000447065e): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/rx-8'
kobject: 'rx-9' (000000000e65150a): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'rx-9' (000000000e65150a): kobject_uevent_env
kobject: 'rx-9' (000000000e65150a): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/rx-9'
kobject: 'rx-10' (00000000a13a2fdc): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'rx-10' (00000000a13a2fdc): kobject_uevent_env
kobject: 'rx-10' (00000000a13a2fdc): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/rx-10'
kobject: 'rx-11' (000000000d4499bc): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'rx-11' (000000000d4499bc): kobject_uevent_env
kobject: 'rx-11' (000000000d4499bc): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/rx-11'
kobject: 'rx-12' (00000000c04a7df7): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'rx-12' (00000000c04a7df7): kobject_uevent_env
kobject: 'rx-12' (00000000c04a7df7): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/rx-12'
kobject: 'rx-13' (00000000383d5fab): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'rx-13' (00000000383d5fab): kobject_uevent_env
kobject: 'rx-13' (00000000383d5fab): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/rx-13'
kobject: 'rx-14' (00000000675d2762): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'rx-14' (00000000675d2762): kobject_uevent_env
kobject: 'rx-14' (00000000675d2762): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/rx-14'
kobject: 'rx-15' (0000000077408fd4): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'rx-15' (0000000077408fd4): kobject_uevent_env
kobject: 'rx-15' (0000000077408fd4): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/rx-15'
kobject: 'tx-0' (00000000fc5e1be9): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-0' (00000000fc5e1be9): kobject_uevent_env
kobject: 'tx-0' (00000000fc5e1be9): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/tx-0'
kobject: 'tx-1' (000000003d036af0): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-1' (000000003d036af0): kobject_uevent_env
kobject: 'tx-1' (000000003d036af0): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/tx-1'
kobject: 'tx-2' (000000002b1aed3d): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-2' (000000002b1aed3d): kobject_uevent_env
kobject: 'tx-2' (000000002b1aed3d): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/tx-2'
kobject: 'tx-3' (0000000074d7b4aa): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-3' (0000000074d7b4aa): kobject_uevent_env
kobject: 'tx-3' (0000000074d7b4aa): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/tx-3'
kobject: 'tx-4' (000000006ccd3c3a): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-4' (000000006ccd3c3a): kobject_uevent_env
kobject: 'tx-4' (000000006ccd3c3a): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/tx-4'
kobject: 'tx-5' (000000000e0f31c9): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-5' (000000000e0f31c9): kobject_uevent_env
kobject: 'tx-5' (000000000e0f31c9): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/tx-5'
kobject: 'tx-6' (00000000eafd25e6): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-6' (00000000eafd25e6): kobject_uevent_env
kobject: 'tx-6' (00000000eafd25e6): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/tx-6'
kobject: 'tx-7' (000000009448502b): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-7' (000000009448502b): kobject_uevent_env
kobject: 'tx-7' (000000009448502b): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/tx-7'
kobject: 'tx-8' (000000006f9cb59a): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-8' (000000006f9cb59a): kobject_uevent_env
kobject: 'tx-8' (000000006f9cb59a): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/tx-8'
kobject: 'tx-9' (000000006374c1d3): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-9' (000000006374c1d3): kobject_uevent_env
kobject: 'tx-9' (000000006374c1d3): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/tx-9'
kobject: 'tx-10' (000000008478cb5e): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'tx-10' (000000008478cb5e): kobject_uevent_env
kobject: 'tx-10' (000000008478cb5e): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/tx-10'
kobject: 'tx-11' (00000000bc80336d): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'tx-11' (00000000bc80336d): kobject_uevent_env
kobject: 'tx-11' (00000000bc80336d): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/tx-11'
kobject: 'tx-12' (00000000ec425f4e): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'tx-12' (00000000ec425f4e): kobject_uevent_env
kobject: 'tx-12' (00000000ec425f4e): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/tx-12'
kobject: 'tx-13' (000000006d9d3bb6): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'tx-13' (000000006d9d3bb6): kobject_uevent_env
kobject: 'tx-13' (000000006d9d3bb6): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/tx-13'
kobject: 'tx-14' (000000008ad7b3a4): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'tx-14' (000000008ad7b3a4): kobject_uevent_env
kobject: 'tx-14' (000000008ad7b3a4): fill_kobj_path: path
= '/devices/virtual/net/bond1/queues/tx-14'
kobject: 'tx-15' (00000000da467199): kobject_add_internal:
parent: 'queues', set: 'queues'
kobject: 'tx-15' (00000000da467199): kobject_uevent_env
kobject: 'tx-15' (00000000da467199): fill_kobj_path: path = '/devi

David Miller

unread,
Oct 29, 2019, 12:24:56ā€ÆAM10/29/19
to syzbot+8da67f...@syzkaller.appspotmail.com, an...@greyhouse.net, j.vos...@gmail.com, linux-...@vger.kernel.org, net...@vger.kernel.org, syzkall...@googlegroups.com, vfa...@gmail.com, ap42...@gmail.com
From: syzbot <syzbot+8da67f...@syzkaller.appspotmail.com>
Date: Mon, 28 Oct 2019 18:11:08 -0700

> syzbot has found a reproducer for the following crash on:
>
> HEAD commit: 60c1769a Add linux-next specific files for 20191028
> git tree: linux-next
> console output:
> https://syzkaller.appspot.com/x/log.txt?x=154d4374e00000
> kernel config:
> https://syzkaller.appspot.com/x/.config?x=cb86688f30db053d
> dashboard link:
> https://syzkaller.appspot.com/bug?extid=8da67f407bcba2c72e6e
> compiler: gcc (GCC) 9.0.0 20181231 (experimental)
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14d43a04e00000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16be3b9ce00000
>
> IMPORTANT: if you fix the bug, please add the following tag to the
> commit:
> Reported-by: syzbot+8da67f...@syzkaller.appspotmail.com

This might be because of the lockdep depth changes.

Taehee, please take a look.

Thanks.

Taehee Yoo

unread,
Oct 29, 2019, 1:09:19ā€ÆAM10/29/19
to David Miller, syzbot+8da67f...@syzkaller.appspotmail.com, Andy Gospodarek, j.vos...@gmail.com, linux-...@vger.kernel.org, Netdev, syzkall...@googlegroups.com, vfa...@gmail.com
On Tue, 29 Oct 2019 at 13:24, David Miller <da...@davemloft.net> wrote:
>

Hi David,
Thank you for forwarding this,
I will take a look at this issue.

Thank you
Taehee Yoo

> Thanks.
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