Hello,
syzbot found the following issue on:
HEAD commit: 13d2ce42 Linux 4.19.163
git tree: linux-4.19.y
console output:
https://syzkaller.appspot.com/x/log.txt?x=11dbcc13500000
kernel config:
https://syzkaller.appspot.com/x/.config?x=fac7c3360835a4e0
dashboard link:
https://syzkaller.appspot.com/bug?extid=1511a8ea3aaf5750f2ab
compiler: gcc (GCC) 10.1.0-syz 20200507
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by:
syzbot+1511a8...@syzkaller.appspotmail.com
R13: 00007ffe9945d74f R14: 00007f88f682f9c0 R15: 000000000119bf8c
kobject_add_internal failed for bonding_slave (error: -12 parent: ipvlan1)
------------[ cut here ]------------
ODEBUG: assert_init not available (active state 0) object type: timer_list hint: (null)
WARNING: CPU: 0 PID: 11782 at lib/debugobjects.c:325 debug_print_object+0x160/0x250 lib/debugobjects.c:325
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 11782 Comm: syz-executor.4 Not tainted 4.19.163-syzkaller #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+0x1fc/0x2fe lib/dump_stack.c:118
panic+0x26a/0x50e kernel/panic.c:186
__warn.cold+0x20/0x61 kernel/panic.c:541
report_bug+0x262/0x2b0 lib/bug.c:186
fixup_bug arch/x86/kernel/traps.c:178 [inline]
fixup_bug arch/x86/kernel/traps.c:173 [inline]
do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:debug_print_object+0x160/0x250 lib/debugobjects.c:325
Code: dd e0 ca b3 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd e0 ca b3 88 48 c7 c7 00 bf b3 88 e8 fb 80 b8 fd <0f> 0b 83 05 23 b6 a6 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89
RSP: 0018:ffff8880494a6d28 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff814fdbb1 RDI: ffffed1009294d97
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000005 R11: ffffffff8c65b01b R12: ffffffff89f90700
R13: ffffffff81554330 R14: ffff888093954178 R15: 1ffff11009294db0
debug_object_assert_init lib/debugobjects.c:694 [inline]
debug_object_assert_init+0x1f0/0x2e0 lib/debugobjects.c:665
debug_timer_assert_init kernel/time/timer.c:733 [inline]
debug_assert_init kernel/time/timer.c:785 [inline]
del_timer+0x6d/0x100 kernel/time/timer.c:1210
try_to_grab_pending+0x2b6/0x6f0 kernel/workqueue.c:1223
__cancel_work_timer+0xa6/0x590 kernel/workqueue.c:2974
slave_kobj_release+0x48/0xe0 drivers/net/bonding/bond_main.c:1276
kobject_cleanup lib/kobject.c:662 [inline]
kobject_release lib/kobject.c:691 [inline]
kref_put include/linux/kref.h:70 [inline]
kobject_put+0x28b/0x5d0 lib/kobject.c:708
bond_alloc_slave drivers/net/bonding/bond_main.c:1321 [inline]
bond_enslave+0xe53/0x5230 drivers/net/bonding/bond_main.c:1517
do_set_master+0x1c8/0x220 net/core/rtnetlink.c:2321
do_setlink+0x7ec/0x3540 net/core/rtnetlink.c:2455
rtnl_setlink+0x243/0x350 net/core/rtnetlink.c:2709
rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4778
netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455
netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344
netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1909
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xc3/0x120 net/socket.c:632
___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2115
__sys_sendmsg net/socket.c:2153 [inline]
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x132/0x220 net/socket.c:2160
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45e159
Code: 0d b4 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f88f682ec68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045e159
RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000003
RBP: 00007f88f682eca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
R13: 00007ffe9945d74f R14: 00007f88f682f9c0 R15: 000000000119bf8c
Kernel Offset: disabled
Rebooting in 86400 seconds..
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