=============================
WARNING: suspicious RCU usage
6.14.0-rc1-syzkaller-00081-gbb066fe812d6 #0 Not tainted
-----------------------------
net/sched/sch_generic.c:1251 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/u32:3/59:
#0: ffff88804eab9148 ((wq_completion)bond0
#2
){+.+.}-{0:0}
, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3211
#1: ffffc90000abfd18 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3212
#2: ffffffff8e1bcc80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#2: ffffffff8e1bcc80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#2: ffffffff8e1bcc80 (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: 59 Comm: kworker/u32:3 Not tainted 6.14.0-rc1-syzkaller-00081-gbb066fe812d6 #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_activate+0x457/0x12b0 net/sched/sch_generic.c:1251
linkwatch_do_dev+0x13d/0x160 net/core/link_watch.c:182
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:3236
process_scheduled_works kernel/workqueue.c:3317 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398
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-rc1-syzkaller-00081-gbb066fe812d6 #0 Not tainted
-----------------------------
net/sched/sch_generic.c:1229 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/u32:3/59:
#0: ffff88804eab9148 ((wq_completion)bond0#2){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3211
#1: ffffc90000abfd18 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3212
#2: ffffffff8e1bcc80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#2: ffffffff8e1bcc80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#2: ffffffff8e1bcc80 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x140/0x2d90 drivers/net/bonding/bond_main.c:2960
stack backtrace:
CPU: 1 UID: 0 PID: 59 Comm: kworker/u32:3 Not tainted 6.14.0-rc1-syzkaller-00081-gbb066fe812d6 #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
transition_one_qdisc+0x1d4/0x210 net/sched/sch_generic.c:1229
netdev_for_each_tx_queue include/linux/netdevice.h:2590 [inline]
dev_activate+0x211/0x12b0 net/sched/sch_generic.c:1259
linkwatch_do_dev+0x13d/0x160 net/core/link_watch.c:182
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:3236
process_scheduled_works kernel/workqueue.c:3317 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398
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-rc1-syzkaller-00081-gbb066fe812d6 #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/u32:3/59:
#0: ffff88804eab9148 ((wq_completion)bond0#2){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3211
#1: ffffc90000abfd18 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3212
#2: ffffffff8e1bcc80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#2: ffffffff8e1bcc80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#2: ffffffff8e1bcc80 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x140/0x2d90 drivers/net/bonding/bond_main.c:2960
stack backtrace:
CPU: 1 UID: 0 PID: 59 Comm: kworker/u32:3 Not tainted 6.14.0-rc1-syzkaller-00081-gbb066fe812d6 #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_activate+0x7eb/0x12b0 net/sched/sch_generic.c:1260
linkwatch_do_dev+0x13d/0x160 net/core/link_watch.c:182
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:3236
process_scheduled_works kernel/workqueue.c:3317 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398
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
BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1523
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 59, name: kworker/u32:3
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
3 locks held by kworker/u32:3/59:
#0: ffff88804eab9148 ((wq_completion)bond0#2){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3211
#1: ffffc90000abfd18 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3212
#2: ffffffff8e1bcc80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#2: ffffffff8e1bcc80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#2: ffffffff8e1bcc80 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x140/0x2d90 drivers/net/bonding/bond_main.c:2960
CPU: 1 UID: 0 PID: 59 Comm: kworker/u32:3 Not tainted 6.14.0-rc1-syzkaller-00081-gbb066fe812d6 #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
__might_resched+0x3c0/0x5e0 kernel/sched/core.c:8766
down_read+0x73/0x330 kernel/locking/rwsem.c:1523
wireless_nlevent_flush+0x1b/0x100 net/wireless/wext-core.c:351
wext_netdev_notifier_call+0xe/0x20 net/wireless/wext-core.c:371
notifier_call_chain+0xb7/0x410 kernel/notifier.c:85
call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2141
netdev_state_change net/core/dev.c:1506 [inline]
netdev_state_change+0x115/0x150 net/core/dev.c:1499
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:3236
process_scheduled_works kernel/workqueue.c:3317 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398
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
=============================
[ BUG: Invalid wait context ]
6.14.0-rc1-syzkaller-00081-gbb066fe812d6 #0 Tainted: G W
-----------------------------
kworker/u32:3/59 is trying to lock:
ffffffff8fedeed0 (net_rwsem){++++}-{4:4}, at: wireless_nlevent_flush+0x1b/0x100 net/wireless/wext-core.c:351
other info that might help us debug this:
context-{5:5}
3 locks held by kworker/u32:3/59:
#0: ffff88804eab9148 ((wq_completion)bond0#2){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3211
#1: ffffc90000abfd18 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3212
#2: ffffffff8e1bcc80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#2: ffffffff8e1bcc80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#2: ffffffff8e1bcc80 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x140/0x2d90 drivers/net/bonding/bond_main.c:2960
stack backtrace:
CPU: 1 UID: 0 PID: 59 Comm: kworker/u32:3 Tainted: G W 6.14.0-rc1-syzkaller-00081-gbb066fe812d6 #0
Tainted: [W]=WARN
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+0x116/0x1f0 lib/dump_stack.c:120
print_lock_invalid_wait_context kernel/locking/lockdep.c:4828 [inline]
check_wait_context kernel/locking/lockdep.c:4900 [inline]
__lock_acquire+0x878/0x3c40 kernel/locking/lockdep.c:5178
lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5851
down_read+0x9a/0x330 kernel/locking/rwsem.c:1524
wireless_nlevent_flush+0x1b/0x100 net/wireless/wext-core.c:351
wext_netdev_notifier_call+0xe/0x20 net/wireless/wext-core.c:371
notifier_call_chain+0xb7/0x410 kernel/notifier.c:85
call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2141
netdev_state_change net/core/dev.c:1506 [inline]
netdev_state_change+0x115/0x150 net/core/dev.c:1499
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:3236
process_scheduled_works kernel/workqueue.c:3317 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398
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