=============================
WARNING: suspicious RCU usage
6.15.0-rc1-syzkaller-00060-ga24588245776 #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/u8:2/36:
#0: ffff888060c42948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline]
#0: ffff888060c42948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x990/0x18e0 kernel/workqueue.c:3319
#1: ffffc90000ad7c60 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline]
#1: ffffc90000ad7c60 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9cb/0x18e0 kernel/workqueue.c:3319
#2: ffffffff8ed3dfe0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#2: ffffffff8ed3dfe0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#2: ffffffff8ed3dfe0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x17f/0x3170 drivers/net/bonding/bond_main.c:2954
stack backtrace:
CPU: 0 UID: 0 PID: 36 Comm: kworker/u8:2 Not tainted 6.15.0-rc1-syzkaller-00060-ga24588245776 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: bond0 bond_mii_monitor
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
lockdep_rcu_suspicious+0x175/0x200 kernel/locking/lockdep.c:6865
dev_deactivate_queue+0x8f/0x1b0 net/sched/sch_generic.c:1285
netdev_for_each_tx_queue include/linux/netdevice.h:2650 [inline]
dev_deactivate_many+0x14c/0xca0 net/sched/sch_generic.c:1361
dev_deactivate+0x186/0x280 net/sched/sch_generic.c:1398
linkwatch_do_dev+0x10a/0x170 net/core/link_watch.c:184
ethtool_op_get_link+0x15/0x60 net/ethtool/ioctl.c:63
bond_check_dev_link+0x1fb/0x4b0 drivers/net/bonding/bond_main.c:864
bond_miimon_inspect drivers/net/bonding/bond_main.c:2734 [inline]
bond_mii_monitor+0x49d/0x3170 drivers/net/bonding/bond_main.c:2956
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319
worker_thread+0x870/0xd50 kernel/workqueue.c:3400
kthread+0x7b7/0x940 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
=============================
WARNING: suspicious RCU usage
6.15.0-rc1-syzkaller-00060-ga24588245776 #0 Not tainted
-----------------------------
./include/linux/rtnetlink.h:163 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/u8:2/36:
#0: ffff888060c42948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline]
#0: ffff888060c42948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x990/0x18e0 kernel/workqueue.c:3319
#1: ffffc90000ad7c60 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline]
#1: ffffc90000ad7c60 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9cb/0x18e0 kernel/workqueue.c:3319
#2: ffffffff8ed3dfe0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#2: ffffffff8ed3dfe0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#2: ffffffff8ed3dfe0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x17f/0x3170 drivers/net/bonding/bond_main.c:2954
stack backtrace:
CPU: 1 UID: 0 PID: 36 Comm: kworker/u8:2 Not tainted 6.15.0-rc1-syzkaller-00060-ga24588245776 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: bond0 bond_mii_monitor
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
lockdep_rcu_suspicious+0x175/0x200 kernel/locking/lockdep.c:6865
dev_ingress_queue include/linux/rtnetlink.h:163 [inline]
dev_deactivate_many+0x228/0xca0 net/sched/sch_generic.c:1363
dev_deactivate+0x186/0x280 net/sched/sch_generic.c:1398
linkwatch_do_dev+0x10a/0x170 net/core/link_watch.c:184
ethtool_op_get_link+0x15/0x60 net/ethtool/ioctl.c:63
bond_check_dev_link+0x1fb/0x4b0 drivers/net/bonding/bond_main.c:864
bond_miimon_inspect drivers/net/bonding/bond_main.c:2734 [inline]
bond_mii_monitor+0x49d/0x3170 drivers/net/bonding/bond_main.c:2956
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319
worker_thread+0x870/0xd50 kernel/workqueue.c:3400
kthread+0x7b7/0x940 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
=============================
WARNING: suspicious RCU usage
6.15.0-rc1-syzkaller-00060-ga24588245776 #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/u8:2/36:
#0: ffff888060c42948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline]
#0: ffff888060c42948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x990/0x18e0 kernel/workqueue.c:3319
#1: ffffc90000ad7c60 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline]
#1: ffffc90000ad7c60 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9cb/0x18e0 kernel/workqueue.c:3319
#2: ffffffff8ed3dfe0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#2: ffffffff8ed3dfe0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#2: ffffffff8ed3dfe0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x17f/0x3170 drivers/net/bonding/bond_main.c:2954
stack backtrace:
CPU: 1 UID: 0 PID: 36 Comm: kworker/u8:2 Not tainted 6.15.0-rc1-syzkaller-00060-ga24588245776 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: bond0 bond_mii_monitor
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
lockdep_rcu_suspicious+0x175/0x200 kernel/locking/lockdep.c:6865
dev_reset_queue+0x88/0x1b0 net/sched/sch_generic.c:1301
netdev_for_each_tx_queue include/linux/netdevice.h:2650 [inline]
dev_deactivate_many+0x61d/0xca0 net/sched/sch_generic.c:1375
dev_deactivate+0x186/0x280 net/sched/sch_generic.c:1398
linkwatch_do_dev+0x10a/0x170 net/core/link_watch.c:184
ethtool_op_get_link+0x15/0x60 net/ethtool/ioctl.c:63
bond_check_dev_link+0x1fb/0x4b0 drivers/net/bonding/bond_main.c:864
bond_miimon_inspect drivers/net/bonding/bond_main.c:2734 [inline]
bond_mii_monitor+0x49d/0x3170 drivers/net/bonding/bond_main.c:2956
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319
worker_thread+0x870/0xd50 kernel/workqueue.c:3400
kthread+0x7b7/0x940 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
=============================
WARNING: suspicious RCU usage
6.15.0-rc1-syzkaller-00060-ga24588245776 #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/u8:2/36:
#0: ffff888060c42948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline]
#0: ffff888060c42948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x990/0x18e0 kernel/workqueue.c:3319
#1: ffffc90000ad7c60 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline]
#1: ffffc90000ad7c60 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9cb/0x18e0 kernel/workqueue.c:3319
#2: ffffffff8ed3dfe0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#2: ffffffff8ed3dfe0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#2: ffffffff8ed3dfe0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x17f/0x3170 drivers/net/bonding/bond_main.c:2954
stack backtrace:
CPU: 1 UID: 0 PID: 36 Comm: kworker/u8:2 Not tainted 6.15.0-rc1-syzkaller-00060-ga24588245776 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: bond0 bond_mii_monitor
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
lockdep_rcu_suspicious+0x175/0x200 kernel/locking/lockdep.c:6865
some_qdisc_is_busy net/sched/sch_generic.c:1332 [inline]
dev_deactivate_many+0x93b/0xca0 net/sched/sch_generic.c:1383
dev_deactivate+0x186/0x280 net/sched/sch_generic.c:1398
linkwatch_do_dev+0x10a/0x170 net/core/link_watch.c:184
ethtool_op_get_link+0x15/0x60 net/ethtool/ioctl.c:63
bond_check_dev_link+0x1fb/0x4b0 drivers/net/bonding/bond_main.c:864
bond_miimon_inspect drivers/net/bonding/bond_main.c:2734 [inline]
bond_mii_monitor+0x49d/0x3170 drivers/net/bonding/bond_main.c:2956
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319
worker_thread+0x870/0xd50 kernel/workqueue.c:3400
kthread+0x7b7/0x940 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
------------[ cut here ]------------
RTNL: assertion failed at net/core/dev.c (2174)
WARNING: CPU: 1 PID: 36 at net/core/dev.c:2174 call_netdevice_notifiers_info+0x106/0x110 net/core/dev.c:2174
Modules linked in:
CPU: 1 UID: 0 PID: 36 Comm: kworker/u8:2 Not tainted 6.15.0-rc1-syzkaller-00060-ga24588245776 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: bond0 bond_mii_monitor
RIP: 0010:call_netdevice_notifiers_info+0x106/0x110 net/core/dev.c:2174
Code: cc cc cc cc e8 7b e3 d8 f7 c6 05 ad 57 5f 06 01 90 48 c7 c7 60 48 50 8d 48 c7 c6 60 47 50 8d ba 7e 08 00 00 e8 5b 05 98 f7 90 <0f> 0b 90 90 e9 73 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90000ad7638 EFLAGS: 00010246
RAX: a04b31967b8ab900 RBX: ffff88807b018000 RCX: ffff8881436e1e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff81828a12 R09: 1ffff110170e47d2
R10: dffffc0000000000 R11: ffffed10170e47d3 R12: 1ffff9200015aecc
R13: dffffc0000000000 R14: 0000000000000004 R15: ffffc90000ad7680
FS: 0000000000000000(0000) GS:ffff888125096000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1003846d58 CR3: 000000007c5e0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
netdev_state_change+0x123/0x1a0 net/core/dev.c:1536
linkwatch_do_dev+0x112/0x170 net/core/link_watch.c:186
ethtool_op_get_link+0x15/0x60 net/ethtool/ioctl.c:63
bond_check_dev_link+0x1fb/0x4b0 drivers/net/bonding/bond_main.c:864
bond_miimon_inspect drivers/net/bonding/bond_main.c:2734 [inline]
bond_mii_monitor+0x49d/0x3170 drivers/net/bonding/bond_main.c:2956
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319
worker_thread+0x870/0xd50 kernel/workqueue.c:3400
kthread+0x7b7/0x940 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245