=============================
WARNING: suspicious RCU usage
6.14.0-rc7-syzkaller-00205-g586de92313fc #0 Not tainted
-----------------------------
net/sched/sch_generic.c:1285 suspicious rcu_dereference_protected() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
3 locks held by kworker/u32:5/1049:
#0: ffff888033bee148 ((wq_completion)bond0#2){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3213
#1: ffffc90005cdfd18 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3214
#2: ffffffff8e1bd140 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#2: ffffffff8e1bd140 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#2: ffffffff8e1bd140 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x140/0x2d90 drivers/net/bonding/bond_main.c:2960
stack backtrace:
CPU: 0 UID: 0 PID: 1049 Comm: kworker/u32:5 Not tainted 6.14.0-rc7-syzkaller-00205-g586de92313fc #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: bond0 bond_mii_monitor
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
lockdep_rcu_suspicious+0x210/0x3c0 kernel/locking/lockdep.c:6847
dev_deactivate_queue+0x1c0/0x210 net/sched/sch_generic.c:1285
netdev_for_each_tx_queue include/linux/netdevice.h:2590 [inline]
dev_deactivate_many+0x145/0xc30 net/sched/sch_generic.c:1361
dev_deactivate+0xf9/0x1c0 net/sched/sch_generic.c:1398
linkwatch_do_dev+0x11e/0x160 net/core/link_watch.c:184
linkwatch_sync_dev+0x181/0x210 net/core/link_watch.c:272
ethtool_op_get_link+0x1d/0x70 net/ethtool/ioctl.c:62
bond_check_dev_link+0x197/0x490 drivers/net/bonding/bond_main.c:873
bond_miimon_inspect drivers/net/bonding/bond_main.c:2740 [inline]
bond_mii_monitor+0x3c1/0x2d90 drivers/net/bonding/bond_main.c:2962
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3238
process_scheduled_works kernel/workqueue.c:3319 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3400
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
=============================
WARNING: suspicious RCU usage
6.14.0-rc7-syzkaller-00205-g586de92313fc #0 Not tainted
-----------------------------
./include/linux/rtnetlink.h:162 suspicious rcu_dereference_protected() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
3 locks held by kworker/u32:5/1049:
#0: ffff888033bee148 ((wq_completion)bond0#2){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3213
#1: ffffc90005cdfd18 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3214
#2: ffffffff8e1bd140 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#2: ffffffff8e1bd140 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#2: ffffffff8e1bd140 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x140/0x2d90 drivers/net/bonding/bond_main.c:2960
stack backtrace:
CPU: 2 UID: 0 PID: 1049 Comm: kworker/u32:5 Not tainted 6.14.0-rc7-syzkaller-00205-g586de92313fc #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: bond0 bond_mii_monitor
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
lockdep_rcu_suspicious+0x210/0x3c0 kernel/locking/lockdep.c:6847
dev_ingress_queue include/linux/rtnetlink.h:162 [inline]
dev_deactivate_many+0x980/0xc30 net/sched/sch_generic.c:1363
dev_deactivate+0xf9/0x1c0 net/sched/sch_generic.c:1398
linkwatch_do_dev+0x11e/0x160 net/core/link_watch.c:184
linkwatch_sync_dev+0x181/0x210 net/core/link_watch.c:272
ethtool_op_get_link+0x1d/0x70 net/ethtool/ioctl.c:62
bond_check_dev_link+0x197/0x490 drivers/net/bonding/bond_main.c:873
bond_miimon_inspect drivers/net/bonding/bond_main.c:2740 [inline]
bond_mii_monitor+0x3c1/0x2d90 drivers/net/bonding/bond_main.c:2962
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3238
process_scheduled_works kernel/workqueue.c:3319 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3400
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
=============================
WARNING: suspicious RCU usage
6.14.0-rc7-syzkaller-00205-g586de92313fc #0 Not tainted
-----------------------------
net/sched/sch_generic.c:1301 suspicious rcu_dereference_protected() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
3 locks held by kworker/u32:5/1049:
#0: ffff888033bee148 ((wq_completion)bond0#2){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3213
#1: ffffc90005cdfd18 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3214
#2: ffffffff8e1bd140 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#2: ffffffff8e1bd140 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#2: ffffffff8e1bd140 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x140/0x2d90 drivers/net/bonding/bond_main.c:2960
stack backtrace:
CPU: 2 UID: 0 PID: 1049 Comm: kworker/u32:5 Not tainted 6.14.0-rc7-syzkaller-00205-g586de92313fc #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: bond0 bond_mii_monitor
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
lockdep_rcu_suspicious+0x210/0x3c0 kernel/locking/lockdep.c:6847
dev_reset_queue+0x13f/0x1d0 net/sched/sch_generic.c:1301
netdev_for_each_tx_queue include/linux/netdevice.h:2590 [inline]
dev_deactivate_many+0x401/0xc30 net/sched/sch_generic.c:1375
dev_deactivate+0xf9/0x1c0 net/sched/sch_generic.c:1398
linkwatch_do_dev+0x11e/0x160 net/core/link_watch.c:184
linkwatch_sync_dev+0x181/0x210 net/core/link_watch.c:272
ethtool_op_get_link+0x1d/0x70 net/ethtool/ioctl.c:62
bond_check_dev_link+0x197/0x490 drivers/net/bonding/bond_main.c:873
bond_miimon_inspect drivers/net/bonding/bond_main.c:2740 [inline]
bond_mii_monitor+0x3c1/0x2d90 drivers/net/bonding/bond_main.c:2962
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3238
process_scheduled_works kernel/workqueue.c:3319 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3400
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
=============================
WARNING: suspicious RCU usage
6.14.0-rc7-syzkaller-00205-g586de92313fc #0 Not tainted
-----------------------------
net/sched/sch_generic.c:1332 suspicious rcu_dereference_protected() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
3 locks held by kworker/u32:5/1049:
#0: ffff888033bee148 ((wq_completion)bond0#2){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3213
#1: ffffc90005cdfd18 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3214
#2: ffffffff8e1bd140 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#2: ffffffff8e1bd140 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#2: ffffffff8e1bd140 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x140/0x2d90 drivers/net/bonding/bond_main.c:2960
stack backtrace:
CPU: 3 UID: 0 PID: 1049 Comm: kworker/u32:5 Not tainted 6.14.0-rc7-syzkaller-00205-g586de92313fc #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: bond0 bond_mii_monitor
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
lockdep_rcu_suspicious+0x210/0x3c0 kernel/locking/lockdep.c:6847
some_qdisc_is_busy net/sched/sch_generic.c:1332 [inline]
dev_deactivate_many+0x78b/0xc30 net/sched/sch_generic.c:1383
dev_deactivate+0xf9/0x1c0 net/sched/sch_generic.c:1398
linkwatch_do_dev+0x11e/0x160 net/core/link_watch.c:184
linkwatch_sync_dev+0x181/0x210 net/core/link_watch.c:272
ethtool_op_get_link+0x1d/0x70 net/ethtool/ioctl.c:62
bond_check_dev_link+0x197/0x490 drivers/net/bonding/bond_main.c:873
bond_miimon_inspect drivers/net/bonding/bond_main.c:2740 [inline]
bond_mii_monitor+0x3c1/0x2d90 drivers/net/bonding/bond_main.c:2962
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3238
process_scheduled_works kernel/workqueue.c:3319 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3400
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
------------[ cut here ]------------
RTNL: assertion failed at net/core/dev.c (2197)
WARNING: CPU: 3 PID: 1049 at net/core/dev.c:2197 call_netdevice_notifiers_info+0x112/0x140 net/core/dev.c:2197
Modules linked in:
CPU: 3 UID: 0 PID: 1049 Comm: kworker/u32:5 Not tainted 6.14.0-rc7-syzkaller-00205-g586de92313fc #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: bond0 bond_mii_monitor
RIP: 0010:call_netdevice_notifiers_info+0x112/0x140 net/core/dev.c:2197
Code: 84 ed 75 89 e8 2f e5 85 f8 c6 05 42 f6 16 07 01 90 ba 95 08 00 00 48 c7 c6 e0 6b 9e 8c 48 c7 c7 20 6c 9e 8c e8 6f 15 46 f8 90 <0f> 0b 90 90 e9 5a ff ff ff 48 89 df e8 ad fd e8 f8 e9 08 ff ff ff
RSP: 0018:ffffc90005cdf8e8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffffc90005cdf930 RCX: ffffffff817a2269
RDX: ffff8880260f8000 RSI: ffffffff817a2276 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000003 R12: 0000000000000004
R13: ffff88802cbb8000 R14: ffff88803ac906a0 R15: ffffffff8fefc260
FS: 0000000000000000(0000) GS:ffff88806a900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556030fca8 CR3: 000000003586a000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
netdev_state_change net/core/dev.c:1537 [inline]
netdev_state_change+0x115/0x150 net/core/dev.c:1530
linkwatch_do_dev+0x12b/0x160 net/core/link_watch.c:186
linkwatch_sync_dev+0x181/0x210 net/core/link_watch.c:272
ethtool_op_get_link+0x1d/0x70 net/ethtool/ioctl.c:62
bond_check_dev_link+0x197/0x490 drivers/net/bonding/bond_main.c:873
bond_miimon_inspect drivers/net/bonding/bond_main.c:2740 [inline]
bond_mii_monitor+0x3c1/0x2d90 drivers/net/bonding/bond_main.c:2962
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3238
process_scheduled_works kernel/workqueue.c:3319 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3400
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244