rn.info kernel: [ 288.102240][ T1024] bridge_slave_0: left promiscuous mode [ 288.052032][ [ 288.109768][ T1024] bridge0: port 1(bridge_slave_0) entered disabled state T1024] erspan0: left promiscuous[ 288.119638][ T6390] mode Nov 10 12[ 288.122499][ T6390] ============================= :39:03 syzkaller[ 288.128669][ T6390] WARNING: suspicious RCU usage kern.info kerne[ 288.135316][ T6390] 6.12.0-rc6-syzkaller-00279-gde2f378f2b77 #0 Not tainted l: [ 288.057060[ 288.143732][ T6390] ----------------------------- ][ T1024] bridge[ 288.149741][ T6390] net/sched/sch_generic.c:1290 suspicious rcu_dereference_protected() usage! 0: port 3(erspan[ 288.159834][ T6390] 0) entered disab[ 288.159853][ T6390] led state Nov 1[ 288.159867][ T6390] 3 locks held by kworker/u8:11/6390: 0 12:39:03 syzka[ 288.187464][ T6390] #0: ffff888068d0d948 ((wq_completion)bond0#2){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 ller kern.info k[ 288.199531][ T6390] #1: ffffc9000b45fd80 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 ernel: [ 288.07[ 288.212948][ T6390] #2: ffffffff8e1b8340 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] ernel: [ 288.07[ 288.212948][ T6390] #2: ffffffff8e1b8340 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] ernel: [ 288.07[ 288.212948][ T6390] #2: ffffffff8e1b8340 (rcu_read_lock){....}-{1:2}, at: bond_mii_monitor+0x140/0x2d90 drivers/net/bonding/bond_main.c:2937 1253][ T1024] br[ 288.224119][ T6390] idge_slave_1: le[ 288.231359][ T6390] CPU: 0 UID: 0 PID: 6390 Comm: kworker/u8:11 Not tainted 6.12.0-rc6-syzkaller-00279-gde2f378f2b77 #0 ft allmulticast [ 288.258910][ T6390] Call Trace: mode Nov 10 12:[ 288.266487][ T6390] __dump_stack lib/dump_stack.c:94 [inline] Nov 10 12:[ 288.266487][ T6390] dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120 39:03 syzkaller [ 288.266591][ T6390] dev_deactivate+0xf9/0x1c0 net/sched/sch_generic.c:1403 kern.info kernel[ 288.294016][ T6390] ? __pfx_dev_deactivate+0x10/0x10 net/sched/sch_generic.c:1379 : [ 288.077767][ 288.306524][ T6390] linkwatch_do_dev+0x11e/0x160 net/core/link_watch.c:175 [ T1024] bridge_[ 288.317788][ T6390] ? __pfx_ethtool_op_get_link+0x10/0x10 net/ethtool/ioctl.c:2712 slave_1: left pr[ 288.325567][ T6390] ethtool_op_get_link+0x1d/0x70 net/ethtool/ioctl.c:62 omiscuous mode Nov 10 12:39:03 [ 288.343169][ T6390] ? rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline] Nov 10 12:39:03 [ 288.343169][ T6390] ? rcu_is_watching+0x12/0xc0 kernel/rcu/tree.c:737 syzkaller kern.i[ 288.349291][ T6390] bond_miimon_inspect drivers/net/bonding/bond_main.c:2717 [inline] syzkaller kern.i[ 288.349291][ T6390] bond_mii_monitor+0x3c1/0x2d90 drivers/net/bonding/bond_main.c:2939 nfo kernel: [ 2[ 288.355597][ T6390] ? __pfx_bond_mii_monitor+0x10/0x10 drivers/net/bonding/bond_main.c:2806 88.084857][ T102[ 288.362312][ T6390] ? rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline] 88.084857][ T102[ 288.362312][ T6390] ? rcu_is_watching+0x12/0xc0 kernel/rcu/tree.c:737 4] bridge0: port[ 288.368438][ T6390] ? trace_lock_acquire+0x14a/0x1d0 include/trace/events/lock.h:24 2(bridge_slave_[ 288.374995][ T6390] ? process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 1) entered disab[ 288.381473][ T6390] ? lock_acquire+0x2f/0xb0 kernel/locking/lockdep.c:5796 led state Nov 1[ 288.387339][ T6390] ? process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 0 12:39:03 syzka[ 288.393811][ T6390] process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 ller kern.info k[ 288.400191][ T6390] ? __pfx_lock_acquire.part.0+0x10/0x10 kernel/locking/lockdep.c:122 ernel: [ 288.09[ 288.407177][ T6390] ? __pfx_process_one_work+0x10/0x10 include/linux/list.h:153 6288][ T1024] br[ 288.413903][ T6390] ? assign_work+0x1a0/0x250 kernel/workqueue.c:1200 idge_slave_0: le[ 288.419841][ T6390] process_scheduled_works kernel/workqueue.c:3310 [inline] idge_slave_0: le[ 288.419841][ T6390] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 ft allmulticast [ 288.425789][ T6390] ? __kthread_parkme+0x148/0x220 kernel/kthread.c:293 mode Nov 10 12:[ 288.432165][ T6390] ? __pfx_worker_thread+0x10/0x10 include/linux/list.h:183 39:03 syzkaller [ 288.438621][ T6390] kthread+0x2c1/0x3a0 kernel/kthread.c:389 kern.info kernel[ 288.444056][ T6390] ? __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] kern.info kernel[ 288.444056][ T6390] ? _raw_spin_unlock_irq+0x23/0x50 kernel/locking/spinlock.c:202 : [ 288.102240][ 288.450635][ T6390] ? __pfx_kthread+0x10/0x10 include/linux/list.h:373 [ T1024] bridge_[ 288.456575][ T6390] ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 slave_0: left pr[ 288.462342][ T6390] ? __pfx_kthread+0x10/0x10 include/linux/list.h:373 omiscuous mode Nov 10 12:39:03 [ 288.474403][ T6390] syzkaller kern.info kernel: [ 288.109768][ T1024] bridge0: port 1(bridge_slave_0) entered disabled state Nov 10 12:39:03 syzkaller kern.warn kernel: [ 288.119638][ T6390] Nov 10 12:39:03 syzkaller kern.warn kernel: [ 288.122499][ T6390] ============================= Nov 10 12:39:03 syzkaller kern.warn kernel: [ 288.128669][ T6390] WARNING: suspicious RCU usage Nov 10 12:39:03 syzkaller kern.warn kernel: [ 288.135316][ T6390] 6.12.0-rc6-syzkaller-00279-gde2f378f2b77 #0 Not tainted Nov 10 12:39:03 syzkaller kern.warn kernel: [ 288.143732][ T6390] ----------------------------- Nov 10 12:39:03 syzkaller kern.warn kernel: [ 288.149741][ T6390] net/sched/sch_generic.c:1290 suspicious rcu_dereference_protected() usage! Nov 10 12:39:03 syzkaller kern.warn kernel: [ 288.159834][ T6390] Nov 10 12:39:03 syzkaller kern.warn kernel: [ 288.159834][ T6390] other i[ 288.554806][ T6390] nfo that might h[ 288.557452][ T6390] ============================= elp us debug thi[ 288.563800][ T6390] WARNING: suspicious RCU usage s: Nov 10 12:39[ 288.569953][ T6390] 6.12.0-rc6-syzkaller-00279-gde2f378f2b77 #0 Not tainted :03 syzkaller ke[ 288.578320][ T6390] ----------------------------- rn.warn kernel: [ 288.584563][ T6390] include/linux/rtnetlink.h:100 suspicious rcu_dereference_protected() usage! [ 288.159834][ [ 288.594829][ T6390] T6390] Nov 10 [ 288.606375][ T6390] 12:39:03 syzkall[ 288.615765][ T6390] 3 locks held by kworker/u8:11/6390: er kern.warn ker[ 288.622477][ T6390] #0: ffff888068d0d948 ((wq_completion)bond0#2){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 nel: [ 288.1598[ 288.634359][ T6390] #1: ffffc9000b45fd80 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 53][ T6390] No[ 288.648370][ T6390] #2: ffffffff8e1b8340 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] No[ 288.648370][ T6390] #2: ffffffff8e1b8340 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] No[ 288.648370][ T6390] #2: ffffffff8e1b8340 (rcu_read_lock){....}-{1:2}, at: bond_mii_monitor+0x140/0x2d90 drivers/net/bonding/bond_main.c:2937 v 10 12:39:03 sy[ 288.659388][ T6390] zkaller kern.war[ 288.666145][ T6390] CPU: 0 UID: 0 PID: 6390 Comm: kworker/u8:11 Not tainted 6.12.0-rc6-syzkaller-00279-gde2f378f2b77 #0 n kernel: [ 288[ 288.678441][ T6390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 .159853][ T6390][ 288.689857][ T6390] Workqueue: bond0 bond_mii_monitor rcu_scheduler_a[ 288.696447][ T6390] Call Trace: ctive = 2, debug[ 288.701091][ T6390] _locks = 1 Nov [ 288.705382][ T6390] __dump_stack lib/dump_stack.c:94 [inline] Nov [ 288.705382][ T6390] dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120 10 12:39:03 syzk[ 288.711414][ T6390] lockdep_rcu_suspicious+0x210/0x3c0 kernel/locking/lockdep.c:6821 aller kern.warn [ 288.718162][ T6390] dev_ingress_queue include/linux/rtnetlink.h:100 [inline] aller kern.warn [ 288.718162][ T6390] dev_deactivate_many+0x8af/0xb20 net/sched/sch_generic.c:1365 kernel: [ 288.1[ 288.724626][ T6390] dev_deactivate+0xf9/0x1c0 net/sched/sch_generic.c:1403 59867][ T6390] 3[ 288.730563][ T6390] ? __pfx_dev_deactivate+0x10/0x10 net/sched/sch_generic.c:1379 locks held by k[ 288.737110][ T6390] ? __sanitizer_cov_trace_switch+0x54/0x90 kernel/kcov.c:351 worker/u8:11/639[ 288.744357][ T6390] linkwatch_do_dev+0x11e/0x160 net/core/link_watch.c:175 0: Nov 10 12:39[ 288.750557][ T6390] linkwatch_sync_dev+0x181/0x210 net/core/link_watch.c:263 :03 syzkaller ke[ 288.757536][ T6390] ? __pfx_ethtool_op_get_link+0x10/0x10 net/ethtool/ioctl.c:2712 rn.warn kernel: [ 288.764514][ T6390] ethtool_op_get_link+0x1d/0x70 net/ethtool/ioctl.c:62 [ 288.187464][ [ 288.770824][ T6390] bond_check_dev_link+0x197/0x490 drivers/net/bonding/bond_main.c:873 T6390] #0: ffff[ 288.777300][ T6390] ? __pfx_bond_check_dev_link+0x10/0x10 drivers/net/bonding/bond_main.c:4594 888068d0d948 ((w[ 288.784279][ T6390] ? rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline] 888068d0d948 ((w[ 288.784279][ T6390] ? rcu_is_watching+0x12/0xc0 kernel/rcu/tree.c:737 q_completion)bon[ 288.790404][ T6390] bond_miimon_inspect drivers/net/bonding/bond_main.c:2717 [inline] q_completion)bon[ 288.790404][ T6390] bond_mii_monitor+0x3c1/0x2d90 drivers/net/bonding/bond_main.c:2939 d0#2){+.+.}-{0:0[ 288.796687][ T6390] ? __pfx_bond_mii_monitor+0x10/0x10 drivers/net/bonding/bond_main.c:2806 }, at: process_o[ 288.803415][ T6390] ? rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline] }, at: process_o[ 288.803415][ T6390] ? rcu_is_watching+0x12/0xc0 kernel/rcu/tree.c:737 ne_work+0x129b/0[ 288.809527][ T6390] ? trace_lock_acquire+0x14a/0x1d0 include/trace/events/lock.h:24 x1ba0 Nov 10 12[ 288.816072][ T6390] ? process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 :39:03 syzkaller[ 288.822536][ T6390] ? lock_acquire+0x2f/0xb0 kernel/locking/lockdep.c:5796 kern.warn kerne[ 288.828383][ T6390] ? process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 l: [ 288.199531[ 288.834848][ T6390] process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 ][ T6390] #1: f[ 288.841142][ T6390] ? __pfx_lock_acquire.part.0+0x10/0x10 kernel/locking/lockdep.c:122 fffc9000b45fd80 [ 288.848115][ T6390] ? __pfx_process_one_work+0x10/0x10 include/linux/list.h:153 ((work_completio[ 288.854844][ T6390] ? assign_work+0x1a0/0x250 kernel/workqueue.c:1200 n)(&(&bond->mii_[ 288.860781][ T6390] process_scheduled_works kernel/workqueue.c:3310 [inline] n)(&(&bond->mii_[ 288.860781][ T6390] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 work)->work)){+.[ 288.866722][ T6390] ? __kthread_parkme+0x148/0x220 kernel/kthread.c:293 +.}-{0:0}, at: p[ 288.873091][ T6390] ? __pfx_worker_thread+0x10/0x10 include/linux/list.h:183 rocess_one_work+[ 288.879551][ T6390] kthread+0x2c1/0x3a0 kernel/kthread.c:389 0x921/0x1ba0 No[ 288.884966][ T6390] ? __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] No[ 288.884966][ T6390] ? _raw_spin_unlock_irq+0x23/0x50 kernel/locking/spinlock.c:202 v 10 12:39:03 sy[ 288.891513][ T6390] ? __pfx_kthread+0x10/0x10 include/linux/list.h:373 zkaller kern.war[ 288.897454][ T6390] ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 n kernel: [ 288[ 288.903232][ T6390] ? __pfx_kthread+0x10/0x10 include/linux/list.h:373 .212948][ T6390][ 288.909177][ T6390] ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 #2: ffffffff8e[ 288.915298][ T6390] 1b8340 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] 1b8340 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] 1b8340 (rcu_read_lock){....}-{1:2}, at: bond_mii_monitor+0x140/0x2d90 drivers/net/bonding/bond_main.c:2937 Nov 10 12:39:03 syzkaller kern.warn kernel: [ 288.224119][ T6390] Nov 10 12:39:03 syzkaller kern.warn kernel: [ 288.224119][ T6390] stack backtrace: Nov 10 12:39:03 syzkaller kern.warn kernel: [ 288.231359][ T6390] CPU: 0 UID: 0 PID: 6390 Comm: kworker/u8:11 Not tainted 6.12.0-rc6-syzkaller-00279-gde2f378f2b77 #0 Nov 10 12:39:03 syzkaller kern.warn kernel: [ 288.243643][ T6390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Nov 10 12:39:03 syzkaller kern.warn kernel: [ 288.253707][ T6390] Workqueue: bond0 bond_mii_monitor Nov 10 12:39:03 syzkaller kern.warn kernel: [ 288.258910][ T6390] Call Trace: Nov 10 12:39:03 syzkaller kern.warn kernel: [ 288.263550][ T6390] Nov 10 12:39:03 syzkaller kern.warn kernel: [ 288.266487][ T6390] __dump_stack lib/dump_stack.c:94 [inline] Nov 10 12:39:03 syzkaller kern.warn kernel: [ 288.266487][ T6390] dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120 Nov 10 12:39:03 syzkall[ 289.005277][ T6390] ================================================================== er kern.warn ker[ 289.083234][ T6390] ? dev_deactivate_queue+0x17e/0x190 net/sched/sch_generic.c:1290 nel: [ 288.2665[ 289.083252][ T6390] dev_deactivate_queue+0x17e/0x190 net/sched/sch_generic.c:1290 09][ T6390] loc[ 289.083269][ T6390] netdev_for_each_tx_queue include/linux/netdevice.h:2504 [inline] 09][ T6390] loc[ 289.083269][ T6390] dev_deactivate_many+0xe7/0xb20 net/sched/sch_generic.c:1363