program: r0 = socket$kcm(0x10, 0x2, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x2a, 0x2, 0x0) syz_init_net_socket$802154_raw(0x24, 0x4, 0x0) getsockname$packet(r2, &(0x7f0000000200)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000001480)=0x14) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000000)={'bond0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=@newlink={0x44, 0x10, 0x49920d862a92153b, 0x800, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x1b400}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bond={{0x9}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}]}}}, @IFLA_MASTER={0x8, 0xa, r6}]}, 0x44}}, 0x0) r7 = bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000280)=@bpf_lsm={0x6, 0x3, &(0x7f0000000040)=ANY=[@ANYBLOB="18000000003f000000000000000000f195"], &(0x7f0000000140)='GPL\x00', 0x0, 0x0, 0x0, 0x40f00, 0x0, '\x00', 0x0, 0x1b, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) bpf$BPF_PROG_TEST_RUN(0x1c, &(0x7f0000000240)={r7, 0xf, 0x25, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x40) sendmsg$nl_route_sched(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=@newqdisc={0x78, 0x24, 0xc0b, 0x70bd2a, 0x2001, {0x0, 0x0, 0x0, r3, {0x0, 0x1}, {0xffff, 0xffff}, {0x5, 0xd}}, [@qdisc_kind_options=@q_sfq={{0x8}, {0x4c, 0x2, {{0xff, 0xec2, 0x5, 0x0, 0x400}, 0x10000, 0x1, 0x7ff, 0x6, 0xe, 0x14, 0x1f, 0x1b, 0x6, 0x2, {0x6, 0x1, 0xa9, 0x8, 0x7743, 0xfd1}}}}]}, 0x78}}, 0x0) sendmsg$IPCTNL_MSG_CT_NEW(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000004ec0)=@newtfilter={0x94, 0x2c, 0xd27, 0x70bd25, 0x0, {0x0, 0x0, 0x0, r3, {0xffff}, {}, {0x8, 0xffff}}, [@filter_kind_options=@f_u32={{0x8}, {0x68, 0x2, [@TCA_U32_SEL={0x64, 0x5, {0xb, 0x7, 0x5, 0x3, 0x7, 0x0, 0x52, 0x3, [{0x2, 0x8001, 0x7, 0x1}, {0x3, 0x2, 0x4, 0x9}, {0x68, 0x8, 0x9b, 0x2}, {0xfffffff8, 0x1, 0x3a, 0x8}, {0x3, 0x1, 0x9, 0xad}]}}]}}]}, 0x94}}, 0x4000) r8 = socket$netlink(0x10, 0x3, 0x0) sendmmsg(r8, &(0x7f00000002c0), 0x40000000000009f, 0x0) r9 = socket(0x11, 0x80a, 0x0) ioctl$sock_SIOCGIFINDEX(r9, 0x8933, &(0x7f0000000300)={'bond0\x00', 0x0}) sendmsg$nl_route(r1, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000004c0)=ANY=[@ANYBLOB="4400000010000104000000000000000100000000", @ANYRES32=r10, @ANYBLOB="00000000000000002400128009000100626f6e6400000000140002800800030004000000050006"], 0x44}}, 0x0) sendmsg$kcm(r0, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000000)="2e00000010008188e6b62aa73772cc9f1ba1f848430000005e140602000000000e000a000f000000028000001294", 0x2e}], 0x1}, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x13, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000240)=0x0) timer_settime(r11, 0x0, &(0x7f0000000180)={{0x0, 0x989680}, {0x0, 0x1c9c380}}, 0x0) clock_gettime(0x0, &(0x7f0000000080)={0x0, 0x0}) timer_settime(r11, 0x0, &(0x7f0000000100)={{}, {r12, r13+60000000}}, &(0x7f0000000140)) [ 68.702869][ T4669] Bluetooth: hci0: command tx timeout [ 68.735972][ T5327] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 68.781303][ T5327] 8021q: adding VLAN 0 to HW filter on device bond1 [ 68.785564][ T5327] bond0: (slave bond1): Enslaving as an active interface with an up link [ 68.797124][ T5327] bond0: (slave bond1): Error -95 calling ndo_bpf [ 68.809078][ T5327] Zero length message leads to an empty skb [ 68.812115][ T31] [ 68.813351][ T31] ============================= [ 68.815079][ T31] WARNING: suspicious RCU usage [ 68.816740][ T31] 6.14.0-syzkaller-07318-g4fa118e5b79f #0 Not tainted [ 68.819238][ T31] ----------------------------- [ 68.820974][ T31] net/sched/sch_generic.c:1285 suspicious rcu_dereference_protected() usage! [ 68.824488][ T31] [ 68.824488][ T31] other info that might help us debug this: [ 68.824488][ T31] [ 68.828096][ T31] [ 68.828096][ T31] rcu_scheduler_active = 2, debug_locks = 1 [ 68.831064][ T31] 3 locks held by kworker/u4:2/31: [ 68.833024][ T31] #0: ffff888052922148 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x990/0x18e0 [ 68.837214][ T31] #1: ffffc9000052fc60 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9cb/0x18e0 [ 68.842193][ T31] #2: ffffffff8ed3a260 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x17f/0x3170 [ 68.845977][ T31] [ 68.845977][ T31] stack backtrace: [ 68.848250][ T31] CPU: 0 UID: 0 PID: 31 Comm: kworker/u4:2 Not tainted 6.14.0-syzkaller-07318-g4fa118e5b79f #0 PREEMPT(full) [ 68.848266][ T31] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.848274][ T31] Workqueue: bond0 bond_mii_monitor [ 68.848294][ T31] Call Trace: [ 68.848302][ T31] [ 68.848309][ T31] dump_stack_lvl+0x241/0x360 [ 68.848328][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.848342][ T31] ? __pfx__printk+0x10/0x10 [ 68.848356][ T31] ? print_lock+0x171/0x1a0 [ 68.848371][ T31] lockdep_rcu_suspicious+0x175/0x200 [ 68.848384][ T31] dev_deactivate_queue+0x8f/0x1b0 [ 68.848438][ T31] dev_deactivate_many+0x14c/0xca0 [ 68.848456][ T31] ? __pfx_dev_deactivate_many+0x10/0x10 [ 68.848474][ T31] ? _raw_spin_unlock_irqrestore+0x90/0x140 [ 68.848489][ T31] dev_deactivate+0x186/0x280 [ 68.848505][ T31] ? __pfx_dev_deactivate+0x10/0x10 [ 68.848519][ T31] ? _raw_spin_unlock_irqrestore+0xde/0x140 [ 68.848532][ T31] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 68.848544][ T31] ? ret_from_fork_asm+0x1a/0x30 [ 68.848560][ T31] ? rfc2863_policy+0x1ce/0x3f0 [ 68.848573][ T31] linkwatch_do_dev+0x10a/0x170 [ 68.848586][ T31] ethtool_op_get_link+0x15/0x60 [ 68.848602][ T31] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 68.848617][ T31] bond_check_dev_link+0x1fb/0x4b0 [ 68.848634][ T31] ? __pfx_bond_check_dev_link+0x10/0x10 [ 68.848657][ T31] bond_mii_monitor+0x49d/0x3170 [ 68.848677][ T31] ? validate_chain+0x8a7/0x24e0 [ 68.848688][ T31] ? bond_mii_monitor+0x17f/0x3170 [ 68.848709][ T31] ? __pfx_bond_mii_monitor+0x10/0x10 [ 68.848729][ T31] ? __lock_acquire+0xad5/0xd80 [ 68.848746][ T31] ? lockdep_hardirqs_on+0x9d/0x150 [ 68.848769][ T31] ? process_scheduled_works+0x9cb/0x18e0 [ 68.848779][ T31] process_scheduled_works+0xac3/0x18e0 [ 68.848803][ T31] ? __pfx_process_scheduled_works+0x10/0x10 [ 68.848818][ T31] ? assign_work+0x367/0x3d0 [ 68.848831][ T31] worker_thread+0x870/0xd50 [ 68.848849][ T31] ? __kthread_parkme+0x1a8/0x200 [ 68.848879][ T31] ? __pfx_worker_thread+0x10/0x10 [ 68.848891][ T31] kthread+0x7b7/0x940 [ 68.848905][ T31] ? __pfx_worker_thread+0x10/0x10 [ 68.848916][ T31] ? __pfx_kthread+0x10/0x10 [ 68.848927][ T31] ? __pfx_kthread+0x10/0x10 [ 68.848939][ T31] ? __pfx_kthread+0x10/0x10 [ 68.848951][ T31] ? __pfx_kthread+0x10/0x10 [ 68.848963][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 68.848973][ T31] ? lockdep_hardirqs_on+0x9d/0x150 [ 68.848986][ T31] ? __pfx_kthread+0x10/0x10 [ 68.848999][ T31] ret_from_fork+0x4b/0x80 [ 68.849010][ T31] ? __pfx_kthread+0x10/0x10 [ 68.849023][ T31] ret_from_fork_asm+0x1a/0x30 [ 68.849045][ T31] [ 68.956118][ T5328] netlink: 'syz.0.0': attribute type 10 has an invalid length. [ 68.961736][ T31] [ 68.963432][ T31] ============================= [ 68.965277][ T31] WARNING: suspicious RCU usage [ 68.967126][ T31] 6.14.0-syzkaller-07318-g4fa118e5b79f #0 Not tainted [ 68.969704][ T31] ----------------------------- [ 68.971553][ T31] ./include/linux/rtnetlink.h:163 suspicious rcu_dereference_protected() usage! [ 68.974896][ T31] [ 68.974896][ T31] other info that might help us debug this: [ 68.974896][ T31] [ 68.978614][ T31] [ 68.978614][ T31] rcu_scheduler_active = 2, debug_locks = 1 [ 68.981556][ T31] 3 locks held by kworker/u4:2/31: [ 68.983632][ T31] #0: ffff888052922148 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x990/0x18e0 [ 68.987631][ T31] #1: ffffc9000052fc60 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9cb/0x18e0 [ 68.992305][ T31] #2: ffffffff8ed3a260 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x17f/0x3170 [ 68.995905][ T31] [ 68.995905][ T31] stack backtrace: [ 68.998179][ T31] CPU: 0 UID: 0 PID: 31 Comm: kworker/u4:2 Not tainted 6.14.0-syzkaller-07318-g4fa118e5b79f #0 PREEMPT(full) [ 68.998193][ T31] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.998201][ T31] Workqueue: bond0 bond_mii_monitor [ 68.998220][ T31] Call Trace: [ 68.998227][ T31] [ 68.998232][ T31] dump_stack_lvl+0x241/0x360 [ 68.998248][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.998259][ T31] ? __pfx__printk+0x10/0x10 [ 68.998276][ T31] lockdep_rcu_suspicious+0x175/0x200 [ 68.998289][ T31] dev_deactivate_many+0x228/0xca0 [ 68.998305][ T31] ? __pfx_dev_deactivate_many+0x10/0x10 [ 68.998321][ T31] ? _raw_spin_unlock_irqrestore+0x90/0x140 [ 68.998334][ T31] dev_deactivate+0x186/0x280 [ 68.998349][ T31] ? __pfx_dev_deactivate+0x10/0x10 [ 68.998362][ T31] ? _raw_spin_unlock_irqrestore+0xde/0x140 [ 68.998372][ T31] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 68.998382][ T31] ? ret_from_fork_asm+0x1a/0x30 [ 68.998396][ T31] ? rfc2863_policy+0x1ce/0x3f0 [ 68.998408][ T31] linkwatch_do_dev+0x10a/0x170 [ 68.998419][ T31] ethtool_op_get_link+0x15/0x60 [ 68.998434][ T31] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 68.998446][ T31] bond_check_dev_link+0x1fb/0x4b0 [ 68.998461][ T31] ? __pfx_bond_check_dev_link+0x10/0x10 [ 68.998480][ T31] bond_mii_monitor+0x49d/0x3170 [ 68.998497][ T31] ? validate_chain+0x8a7/0x24e0 [ 68.998507][ T31] ? bond_mii_monitor+0x17f/0x3170 [ 68.998524][ T31] ? __pfx_bond_mii_monitor+0x10/0x10 [ 68.998542][ T31] ? __lock_acquire+0xad5/0xd80 [ 68.998556][ T31] ? lockdep_hardirqs_on+0x9d/0x150 [ 68.998577][ T31] ? process_scheduled_works+0x9cb/0x18e0 [ 68.998586][ T31] process_scheduled_works+0xac3/0x18e0 [ 68.998606][ T31] ? __pfx_process_scheduled_works+0x10/0x10 [ 68.998618][ T31] ? assign_work+0x367/0x3d0 [ 68.998629][ T31] worker_thread+0x870/0xd50 [ 68.998645][ T31] ? __kthread_parkme+0x1a8/0x200 [ 68.998655][ T31] ? __pfx_worker_thread+0x10/0x10 [ 68.998665][ T31] kthread+0x7b7/0x940 [ 68.998679][ T31] ? __pfx_worker_thread+0x10/0x10 [ 68.998688][ T31] ? __pfx_kthread+0x10/0x10 [ 68.998698][ T31] ? __pfx_kthread+0x10/0x10 [ 68.998709][ T31] ? __pfx_kthread+0x10/0x10 [ 68.998720][ T31] ? __pfx_kthread+0x10/0x10 [ 68.998732][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 68.998741][ T31] ? lockdep_hardirqs_on+0x9d/0x150 [ 68.998752][ T31] ? __pfx_kthread+0x10/0x10 [ 68.998762][ T31] ret_from_fork+0x4b/0x80 [ 68.998772][ T31] ? __pfx_kthread+0x10/0x10 [ 68.998784][ T31] ret_from_fork_asm+0x1a/0x30 [ 68.998804][ T31] [ 68.999828][ T31] BUG: sleeping function called from invalid context at net/core/dev.c:11830 [ 69.120498][ T31] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 31, name: kworker/u4:2 [ 69.124774][ T31] preempt_count: 0, expected: 0 [ 69.126986][ T31] RCU nest depth: 1, expected: 0 [ 69.128891][ T31] 3 locks held by kworker/u4:2/31: [ 69.130952][ T31] #0: ffff888052922148 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x990/0x18e0 [ 69.135516][ T31] #1: ffffc9000052fc60 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9cb/0x18e0 [ 69.140315][ T31] #2: ffffffff8ed3a260 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x17f/0x3170 [ 69.144732][ T31] CPU: 0 UID: 0 PID: 31 Comm: kworker/u4:2 Not tainted 6.14.0-syzkaller-07318-g4fa118e5b79f #0 PREEMPT(full) [ 69.144746][ T31] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 69.144753][ T31] Workqueue: bond0 bond_mii_monitor [ 69.144772][ T31] Call Trace: [ 69.144776][ T31] [ 69.144780][ T31] dump_stack_lvl+0x241/0x360 [ 69.144796][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 69.144815][ T31] __might_resched+0x558/0x6c0 [ 69.144826][ T31] ? dev_deactivate_many+0x2f4/0xca0 [ 69.144840][ T31] ? __pfx___might_resched+0x10/0x10 [ 69.144851][ T31] ? __local_bh_enable_ip+0x168/0x200 [ 69.144865][ T31] ? dev_deactivate_many+0x2e5/0xca0 [ 69.144878][ T31] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 69.144892][ T31] ? do_raw_spin_unlock+0x58/0x8b0 [ 69.144907][ T31] synchronize_net+0x1b/0x90 [ 69.144918][ T31] dev_deactivate_many+0x565/0xca0 [ 69.144931][ T31] ? dev_deactivate_many+0x2e5/0xca0 [ 69.144944][ T31] ? __pfx_dev_deactivate_many+0x10/0x10 [ 69.144959][ T31] ? _raw_spin_unlock_irqrestore+0x90/0x140 [ 69.144973][ T31] dev_deactivate+0x186/0x280 [ 69.144988][ T31] ? __pfx_dev_deactivate+0x10/0x10 [ 69.145000][ T31] ? _raw_spin_unlock_irqrestore+0xde/0x140 [ 69.145010][ T31] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 69.145017][ T31] ? ret_from_fork_asm+0x1a/0x30 [ 69.145027][ T31] ? rfc2863_policy+0x1ce/0x3f0 [ 69.145034][ T31] linkwatch_do_dev+0x10a/0x170 [ 69.145042][ T31] ethtool_op_get_link+0x15/0x60 [ 69.145051][ T31] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 69.145060][ T31] bond_check_dev_link+0x1fb/0x4b0 [ 69.145070][ T31] ? __pfx_bond_check_dev_link+0x10/0x10 [ 69.145083][ T31] bond_mii_monitor+0x49d/0x3170 [ 69.145105][ T31] ? validate_chain+0x8a7/0x24e0 [ 69.145114][ T31] ? bond_mii_monitor+0x17f/0x3170 [ 69.145133][ T31] ? __pfx_bond_mii_monitor+0x10/0x10 [ 69.145152][ T31] ? __lock_acquire+0xad5/0xd80 [ 69.145168][ T31] ? lockdep_hardirqs_on+0x9d/0x150 [ 69.145187][ T31] ? process_scheduled_works+0x9cb/0x18e0 [ 69.145197][ T31] process_scheduled_works+0xac3/0x18e0 [ 69.145217][ T31] ? __pfx_process_scheduled_works+0x10/0x10 [ 69.145231][ T31] ? assign_work+0x367/0x3d0 [ 69.145242][ T31] worker_thread+0x870/0xd50 [ 69.145258][ T31] ? __kthread_parkme+0x1a8/0x200 [ 69.145271][ T31] ? __pfx_worker_thread+0x10/0x10 [ 69.145281][ T31] kthread+0x7b7/0x940 [ 69.145293][ T31] ? __pfx_worker_thread+0x10/0x10 [ 69.145303][ T31] ? __pfx_kthread+0x10/0x10 [ 69.145313][ T31] ? __pfx_kthread+0x10/0x10 [ 69.145324][ T31] ? __pfx_kthread+0x10/0x10 [ 69.145334][ T31] ? __pfx_kthread+0x10/0x10 [ 69.145345][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 69.145354][ T31] ? lockdep_hardirqs_on+0x9d/0x150 [ 69.145365][ T31] ? __pfx_kthread+0x10/0x10 [ 69.145378][ T31] ret_from_fork+0x4b/0x80 [ 69.145387][ T31] ? __pfx_kthread+0x10/0x10 [ 69.145398][ T31] ret_from_fork_asm+0x1a/0x30 [ 69.145418][ T31] [ 69.145424][ T31] [ 69.260147][ T31] ============================= [ 69.262031][ T31] WARNING: suspicious RCU usage [ 69.264054][ T31] 6.14.0-syzkaller-07318-g4fa118e5b79f #0 Tainted: G W [ 69.267370][ T31] ----------------------------- [ 69.269285][ T31] kernel/rcu/tree_exp.h:971 Illegal synchronize_rcu_expedited() in RCU read-side critical section! [ 69.273419][ T31] [ 69.273419][ T31] other info that might help us debug this: [ 69.273419][ T31] [ 69.277361][ T31] [ 69.277361][ T31] rcu_scheduler_active = 2, debug_locks = 1 [ 69.280282][ T31] 3 locks held by kworker/u4:2/31: [ 69.282460][ T31] #0: ffff888052922148 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x990/0x18e0 [ 69.286399][ T31] #1: ffffc9000052fc60 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9cb/0x18e0 [ 69.291195][ T31] #2: ffffffff8ed3a260 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x17f/0x3170 [ 69.294997][ T31] [ 69.294997][ T31] stack backtrace: [ 69.297363][ T31] CPU: 0 UID: 0 PID: 31 Comm: kworker/u4:2 Tainted: G W 6.14.0-syzkaller-07318-g4fa118e5b79f #0 PREEMPT(full) [ 69.297379][ T31] Tainted: [W]=WARN [ 69.297383][ T31] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 69.297390][ T31] Workqueue: bond0 bond_mii_monitor [ 69.297410][ T31] Call Trace: [ 69.297416][ T31] [ 69.297422][ T31] dump_stack_lvl+0x241/0x360 [ 69.297439][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 69.297452][ T31] ? __pfx__printk+0x10/0x10 [ 69.297467][ T31] lockdep_rcu_suspicious+0x175/0x200 [ 69.297479][ T31] synchronize_rcu_expedited+0x131/0x830 [ 69.297493][ T31] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 69.297507][ T31] ? add_taint+0x99/0xe0 [ 69.297543][ T31] ? __might_resched+0x564/0x6c0 [ 69.297559][ T31] ? __local_bh_enable_ip+0x168/0x200 [ 69.297574][ T31] ? dev_deactivate_many+0x2e5/0xca0 [ 69.297587][ T31] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 69.297600][ T31] ? do_raw_spin_unlock+0x58/0x8b0 [ 69.297616][ T31] dev_deactivate_many+0x565/0xca0 [ 69.297630][ T31] ? dev_deactivate_many+0x2e5/0xca0 [ 69.297644][ T31] ? __pfx_dev_deactivate_many+0x10/0x10 [ 69.297657][ T31] ? _raw_spin_unlock_irqrestore+0x90/0x140 [ 69.297665][ T31] dev_deactivate+0x186/0x280 [ 69.297675][ T31] ? __pfx_dev_deactivate+0x10/0x10 [ 69.297684][ T31] ? _raw_spin_unlock_irqrestore+0xde/0x140 [ 69.297691][ T31] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 69.297698][ T31] ? ret_from_fork_asm+0x1a/0x30 [ 69.297708][ T31] ? rfc2863_policy+0x1ce/0x3f0 [ 69.297715][ T31] linkwatch_do_dev+0x10a/0x170 [ 69.297723][ T31] ethtool_op_get_link+0x15/0x60 [ 69.297732][ T31] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 69.297743][ T31] bond_check_dev_link+0x1fb/0x4b0 [ 69.297757][ T31] ? __pfx_bond_check_dev_link+0x10/0x10 [ 69.297777][ T31] bond_mii_monitor+0x49d/0x3170 [ 69.297794][ T31] ? validate_chain+0x8a7/0x24e0 [ 69.297805][ T31] ? bond_mii_monitor+0x17f/0x3170 [ 69.297823][ T31] ? __pfx_bond_mii_monitor+0x10/0x10 [ 69.297840][ T31] ? __lock_acquire+0xad5/0xd80 [ 69.297855][ T31] ? lockdep_hardirqs_on+0x9d/0x150 [ 69.297875][ T31] ? process_scheduled_works+0x9cb/0x18e0 [ 69.297883][ T31] process_scheduled_works+0xac3/0x18e0 [ 69.297904][ T31] ? __pfx_process_scheduled_works+0x10/0x10 [ 69.297918][ T31] ? assign_work+0x367/0x3d0 [ 69.297929][ T31] worker_thread+0x870/0xd50 [ 69.297945][ T31] ? __kthread_parkme+0x1a8/0x200 [ 69.297958][ T31] ? __pfx_worker_thread+0x10/0x10 [ 69.297968][ T31] kthread+0x7b7/0x940 [ 69.297980][ T31] ? __pfx_worker_thread+0x10/0x10 [ 69.297991][ T31] ? __pfx_kthread+0x10/0x10 [ 69.298001][ T31] ? __pfx_kthread+0x10/0x10 [ 69.298012][ T31] ? __pfx_kthread+0x10/0x10 [ 69.298024][ T31] ? __pfx_kthread+0x10/0x10 [ 69.298035][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 69.298046][ T31] ? lockdep_hardirqs_on+0x9d/0x150 [ 69.298057][ T31] ? __pfx_kthread+0x10/0x10 [ 69.298068][ T31] ret_from_fork+0x4b/0x80 [ 69.298078][ T31] ? __pfx_kthread+0x10/0x10 [ 69.298097][ T31] ret_from_fork_asm+0x1a/0x30 [ 69.298117][ T31] [ 69.437928][ T31] [ 69.438903][ T31] ============================= [ 69.440769][ T31] [ BUG: Invalid wait context ] [ 69.442604][ T31] 6.14.0-syzkaller-07318-g4fa118e5b79f #0 Tainted: G W [ 69.445587][ T31] ----------------------------- [ 69.447516][ T31] kworker/u4:2/31 is trying to lock: [ 69.449456][ T31] ffffffff8ed3f778 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x454/0x830 [ 69.453497][ T31] other info that might help us debug this: [ 69.455757][ T31] context-{5:5} [ 69.457141][ T31] 3 locks held by kworker/u4:2/31: [ 69.459122][ T31] #0: ffff888052922148 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x990/0x18e0 [ 69.463189][ T31] #1: ffffc9000052fc60 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9cb/0x18e0 [ 69.468050][ T31] #2: ffffffff8ed3a260 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x17f/0x3170 [ 69.471819][ T31] stack backtrace: [ 69.473319][ T31] CPU: 0 UID: 0 PID: 31 Comm: kworker/u4:2 Tainted: G W 6.14.0-syzkaller-07318-g4fa118e5b79f #0 PREEMPT(full) [ 69.473339][ T31] Tainted: [W]=WARN [ 69.473343][ T31] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 69.473350][ T31] Workqueue: bond0 bond_mii_monitor [ 69.473369][ T31] Call Trace: [ 69.473377][ T31] [ 69.473382][ T31] dump_stack_lvl+0x241/0x360 [ 69.473398][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 69.473410][ T31] ? __pfx__printk+0x10/0x10 [ 69.473423][ T31] __lock_acquire+0xc30/0xd80 [ 69.473438][ T31] lock_acquire+0x116/0x2f0 [ 69.473450][ T31] ? synchronize_rcu_expedited+0x454/0x830 [ 69.473463][ T31] __mutex_lock+0x1a5/0x10c0 [ 69.473476][ T31] ? synchronize_rcu_expedited+0x454/0x830 [ 69.473488][ T31] ? synchronize_rcu_expedited+0x454/0x830 [ 69.473499][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 69.473510][ T31] ? do_raw_spin_lock+0x151/0x370 [ 69.473547][ T31] ? do_raw_spin_unlock+0x58/0x8b0 [ 69.473560][ T31] synchronize_rcu_expedited+0x454/0x830 [ 69.473571][ T31] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 69.473583][ T31] ? add_taint+0x99/0xe0 [ 69.473595][ T31] ? __might_resched+0x564/0x6c0 [ 69.473607][ T31] ? __local_bh_enable_ip+0x168/0x200 [ 69.473621][ T31] ? dev_deactivate_many+0x2e5/0xca0 [ 69.473634][ T31] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 69.473648][ T31] ? do_raw_spin_unlock+0x58/0x8b0 [ 69.473661][ T31] dev_deactivate_many+0x565/0xca0 [ 69.473675][ T31] ? dev_deactivate_many+0x2e5/0xca0 [ 69.473688][ T31] ? __pfx_dev_deactivate_many+0x10/0x10 [ 69.473701][ T31] ? _raw_spin_unlock_irqrestore+0x90/0x140 [ 69.473713][ T31] dev_deactivate+0x186/0x280 [ 69.473726][ T31] ? __pfx_dev_deactivate+0x10/0x10 [ 69.473737][ T31] ? _raw_spin_unlock_irqrestore+0xde/0x140 [ 69.473747][ T31] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 69.473756][ T31] ? ret_from_fork_asm+0x1a/0x30 [ 69.473770][ T31] ? rfc2863_policy+0x1ce/0x3f0 [ 69.473781][ T31] linkwatch_do_dev+0x10a/0x170 [ 69.473791][ T31] ethtool_op_get_link+0x15/0x60 [ 69.473805][ T31] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 69.473818][ T31] bond_check_dev_link+0x1fb/0x4b0 [ 69.473833][ T31] ? __pfx_bond_check_dev_link+0x10/0x10 [ 69.473848][ T31] bond_mii_monitor+0x49d/0x3170 [ 69.473863][ T31] ? validate_chain+0x8a7/0x24e0 [ 69.473873][ T31] ? bond_mii_monitor+0x17f/0x3170 [ 69.473887][ T31] ? __pfx_bond_mii_monitor+0x10/0x10 [ 69.473902][ T31] ? __lock_acquire+0xad5/0xd80 [ 69.473915][ T31] ? lockdep_hardirqs_on+0x9d/0x150 [ 69.473931][ T31] ? process_scheduled_works+0x9cb/0x18e0 [ 69.473941][ T31] process_scheduled_works+0xac3/0x18e0 [ 69.473954][ T31] ? __pfx_process_scheduled_works+0x10/0x10 [ 69.473965][ T31] ? assign_work+0x367/0x3d0 [ 69.473975][ T31] worker_thread+0x870/0xd50 [ 69.473988][ T31] ? __kthread_parkme+0x1a8/0x200 [ 69.473999][ T31] ? __pfx_worker_thread+0x10/0x10 [ 69.474009][ T31] kthread+0x7b7/0x940 [ 69.474021][ T31] ? __pfx_worker_thread+0x10/0x10 [ 69.474031][ T31] ? __pfx_kthread+0x10/0x10 [ 69.474041][ T31] ? __pfx_kthread+0x10/0x10 [ 69.474052][ T31] ? __pfx_kthread+0x10/0x10 [ 69.474063][ T31] ? __pfx_kthread+0x10/0x10 [ 69.474073][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 69.474084][ T31] ? lockdep_hardirqs_on+0x9d/0x150 [ 69.474096][ T31] ? __pfx_kthread+0x10/0x10 [ 69.474108][ T31] ret_from_fork+0x4b/0x80 [ 69.474119][ T31] ? __pfx_kthread+0x10/0x10 [ 69.474130][ T31] ret_from_fork_asm+0x1a/0x30 [ 69.474147][ T31] [ 69.609253][ T31] ------------[ cut here ]------------ [ 69.611883][ T31] Voluntary context switch within RCU read-side critical section! [ 69.612000][ T31] WARNING: CPU: 0 PID: 31 at kernel/rcu/tree_plugin.h:332 rcu_note_context_switch+0x702/0x1060 [ 69.619075][ T31] Modules linked in: [ 69.620553][ T31] CPU: 0 UID: 0 PID: 31 Comm: kworker/u4:2 Tainted: G W 6.14.0-syzkaller-07318-g4fa118e5b79f #0 PREEMPT(full) [ 69.626008][ T31] Tainted: [W]=WARN [ 69.627488][ T31] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 69.631871][ T31] Workqueue: bond0 bond_mii_monitor [ 69.634139][ T31] RIP: 0010:rcu_note_context_switch+0x702/0x1060 [ 69.636734][ T31] Code: 00 e9 cc 00 00 00 41 83 fd 06 0f 84 92 00 00 00 e9 bd 00 00 00 c6 05 6a 4c 9e 0e 01 90 48 c7 c7 00 fc 4b 8c e8 ff 0f d9 ff 90 <0f> 0b 90 90 e9 36 fa ff ff 90 0f 0b 90 45 84 ff 0f 84 fc f9 ff ff [ 69.644325][ T31] RSP: 0018:ffffc9000052ee20 EFLAGS: 00010046 [ 69.646810][ T31] RAX: 414e67a96084ad00 RBX: ffff888030bfa884 RCX: ffff888030bfa440 [ 69.649945][ T31] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 69.653089][ T31] RBP: ffffc9000052ef70 R08: ffffffff81829db2 R09: fffffbfff1d7a73c [ 69.656136][ T31] R10: dffffc0000000000 R11: fffffbfff1d7a73c R12: ffff88808c5f1000 [ 69.659281][ T31] R13: dffffc0000000000 R14: ffff888030bfa440 R15: 0000000000000000 [ 69.662426][ T31] FS: 0000000000000000(0000) GS:ffff88808c5f1000(0000) knlGS:0000000000000000 [ 69.665949][ T31] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.668389][ T31] CR2: 00007f393d1b3fd8 CR3: 00000000413e6000 CR4: 0000000000352ef0 [ 69.671748][ T31] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.674864][ T31] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.677914][ T31] Call Trace: [ 69.679224][ T31] [ 69.680407][ T31] ? __warn+0x165/0x4d0 [ 69.682125][ T31] ? rcu_note_context_switch+0x702/0x1060 [ 69.684198][ T31] ? report_bug+0x2b3/0x500 [ 69.686285][ T31] ? rcu_note_context_switch+0x702/0x1060 [ 69.688623][ T31] ? rcu_note_context_switch+0x702/0x1060 [ 69.690931][ T31] ? rcu_note_context_switch+0x704/0x1060 [ 69.693341][ T31] ? handle_bug+0x89/0x170 [ 69.695092][ T31] ? exc_invalid_op+0x1a/0x50 [ 69.696954][ T31] ? asm_exc_invalid_op+0x1a/0x20 [ 69.698871][ T31] ? __warn_printk+0x2a2/0x360 [ 69.700879][ T31] ? rcu_note_context_switch+0x702/0x1060 [ 69.703301][ T31] ? __pfx__printk+0x10/0x10 [ 69.705271][ T31] ? is_bpf_text_address+0x288/0x2a0 [ 69.707513][ T31] ? is_bpf_text_address+0x26/0x2a0 [ 69.709615][ T31] ? __pfx_rcu_note_context_switch+0x10/0x10 [ 69.711856][ T31] ? rcu_is_watching+0x15/0xb0 [ 69.713822][ T31] __schedule+0x3b3/0x5240 [ 69.715662][ T31] ? validate_chain+0x20e/0x24e0 [ 69.717633][ T31] ? dump_stack_lvl+0x305/0x360 [ 69.719569][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 69.721632][ T31] ? __pfx__printk+0x10/0x10 [ 69.723443][ T31] ? schedule+0x163/0x360 [ 69.725228][ T31] ? rcu_is_watching+0x15/0xb0 [ 69.727031][ T31] ? __pfx___schedule+0x10/0x10 [ 69.728987][ T31] ? __mutex_trylock_common+0x94/0x2e0 [ 69.731231][ T31] ? __pfx___mutex_trylock_common+0x10/0x10 [ 69.733716][ T31] schedule+0x163/0x360 [ 69.735470][ T31] schedule_preempt_disabled+0x13/0x30 [ 69.738235][ T31] __mutex_lock+0x441/0x10c0 [ 69.740515][ T31] ? synchronize_rcu_expedited+0x454/0x830 [ 69.743094][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 69.745108][ T31] ? do_raw_spin_lock+0x151/0x370 [ 69.747336][ T31] ? do_raw_spin_unlock+0x58/0x8b0 [ 69.749417][ T31] synchronize_rcu_expedited+0x454/0x830 [ 69.751739][ T31] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 69.754122][ T31] ? add_taint+0x99/0xe0 [ 69.755658][ T31] ? __might_resched+0x564/0x6c0 [ 69.757650][ T31] ? __local_bh_enable_ip+0x168/0x200 [ 69.759802][ T31] ? dev_deactivate_many+0x2e5/0xca0 [ 69.761865][ T31] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 69.764181][ T31] ? do_raw_spin_unlock+0x58/0x8b0 [ 69.766326][ T31] dev_deactivate_many+0x565/0xca0 [ 69.768248][ T31] ? dev_deactivate_many+0x2e5/0xca0 [ 69.770350][ T31] ? __pfx_dev_deactivate_many+0x10/0x10 [ 69.772629][ T31] ? _raw_spin_unlock_irqrestore+0x90/0x140 [ 69.774953][ T31] dev_deactivate+0x186/0x280 [ 69.776821][ T31] ? __pfx_dev_deactivate+0x10/0x10 [ 69.778889][ T31] ? _raw_spin_unlock_irqrestore+0xde/0x140 [ 69.781086][ T31] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 69.783507][ T31] ? ret_from_fork_asm+0x1a/0x30 [ 69.785699][ T31] ? rfc2863_policy+0x1ce/0x3f0 [ 69.787603][ T31] linkwatch_do_dev+0x10a/0x170 [ 69.789581][ T31] ethtool_op_get_link+0x15/0x60 [ 69.791584][ T31] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 69.793861][ T31] bond_check_dev_link+0x1fb/0x4b0 [ 69.796024][ T31] ? __pfx_bond_check_dev_link+0x10/0x10 [ 69.798472][ T31] bond_mii_monitor+0x49d/0x3170 [ 69.800405][ T31] ? validate_chain+0x8a7/0x24e0 [ 69.802600][ T31] ? bond_mii_monitor+0x17f/0x3170 [ 69.804591][ T31] ? __pfx_bond_mii_monitor+0x10/0x10 [ 69.806727][ T31] ? __lock_acquire+0xad5/0xd80 [ 69.808623][ T31] ? lockdep_hardirqs_on+0x9d/0x150 [ 69.810519][ T31] ? process_scheduled_works+0x9cb/0x18e0 [ 69.812469][ T31] process_scheduled_works+0xac3/0x18e0 [ 69.814561][ T31] ? __pfx_process_scheduled_works+0x10/0x10 [ 69.816911][ T31] ? assign_work+0x367/0x3d0 [ 69.818721][ T31] worker_thread+0x870/0xd50 [ 69.820640][ T31] ? __kthread_parkme+0x1a8/0x200 [ 69.822998][ T31] ? __pfx_worker_thread+0x10/0x10 [ 69.825557][ T31] kthread+0x7b7/0x940 [ 69.827652][ T31] ? __pfx_worker_thread+0x10/0x10 [ 69.829903][ T31] ? __pfx_kthread+0x10/0x10 [ 69.831585][ T31] ? __pfx_kthread+0x10/0x10 [ 69.833295][ T31] ? __pfx_kthread+0x10/0x10 [ 69.834975][ T31] ? __pfx_kthread+0x10/0x10 [ 69.836760][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 69.838861][ T31] ? lockdep_hardirqs_on+0x9d/0x150 [ 69.841264][ T31] ? __pfx_kthread+0x10/0x10 [ 69.843586][ T31] ret_from_fork+0x4b/0x80 [ 69.845287][ T31] ? __pfx_kthread+0x10/0x10 [ 69.847070][ T31] ret_from_fork_asm+0x1a/0x30 [ 69.848951][ T31] [ 69.850188][ T31] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 69.852985][ T31] CPU: 0 UID: 0 PID: 31 Comm: kworker/u4:2 Tainted: G W 6.14.0-syzkaller-07318-g4fa118e5b79f #0 PREEMPT(full) [ 69.858133][ T31] Tainted: [W]=WARN [ 69.859670][ T31] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 69.863702][ T31] Workqueue: bond0 bond_mii_monitor [ 69.865705][ T31] Call Trace: [ 69.866972][ T31] [ 69.868094][ T31] dump_stack_lvl+0x241/0x360 [ 69.869930][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 69.871874][ T31] ? __pfx__printk+0x10/0x10 [ 69.873643][ T31] ? vscnprintf+0x5d/0x90 [ 69.875238][ T31] panic+0x349/0x880 [ 69.876767][ T31] ? __warn+0x174/0x4d0 [ 69.878363][ T31] ? __pfx_panic+0x10/0x10 [ 69.880054][ T31] ? ret_from_fork_asm+0x1a/0x30 [ 69.881936][ T31] __warn+0x344/0x4d0 [ 69.883461][ T31] ? rcu_note_context_switch+0x702/0x1060 [ 69.885694][ T31] report_bug+0x2b3/0x500 [ 69.887280][ T31] ? rcu_note_context_switch+0x702/0x1060 [ 69.889498][ T31] ? rcu_note_context_switch+0x702/0x1060 [ 69.891705][ T31] ? rcu_note_context_switch+0x704/0x1060 [ 69.893849][ T31] handle_bug+0x89/0x170 [ 69.895460][ T31] exc_invalid_op+0x1a/0x50 [ 69.897231][ T31] asm_exc_invalid_op+0x1a/0x20 [ 69.899140][ T31] RIP: 0010:rcu_note_context_switch+0x702/0x1060 [ 69.901465][ T31] Code: 00 e9 cc 00 00 00 41 83 fd 06 0f 84 92 00 00 00 e9 bd 00 00 00 c6 05 6a 4c 9e 0e 01 90 48 c7 c7 00 fc 4b 8c e8 ff 0f d9 ff 90 <0f> 0b 90 90 e9 36 fa ff ff 90 0f 0b 90 45 84 ff 0f 84 fc f9 ff ff [ 69.908481][ T31] RSP: 0018:ffffc9000052ee20 EFLAGS: 00010046 [ 69.910711][ T31] RAX: 414e67a96084ad00 RBX: ffff888030bfa884 RCX: ffff888030bfa440 [ 69.913649][ T31] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 69.916630][ T31] RBP: ffffc9000052ef70 R08: ffffffff81829db2 R09: fffffbfff1d7a73c [ 69.919544][ T31] R10: dffffc0000000000 R11: fffffbfff1d7a73c R12: ffff88808c5f1000 [ 69.922447][ T31] R13: dffffc0000000000 R14: ffff888030bfa440 R15: 0000000000000000 [ 69.925357][ T31] ? __warn_printk+0x2a2/0x360 [ 69.927216][ T31] ? __pfx__printk+0x10/0x10 [ 69.928963][ T31] ? is_bpf_text_address+0x288/0x2a0 [ 69.930934][ T31] ? is_bpf_text_address+0x26/0x2a0 [ 69.932887][ T31] ? __pfx_rcu_note_context_switch+0x10/0x10 [ 69.935175][ T31] ? rcu_is_watching+0x15/0xb0 [ 69.936986][ T31] __schedule+0x3b3/0x5240 [ 69.938683][ T31] ? validate_chain+0x20e/0x24e0 [ 69.940596][ T31] ? dump_stack_lvl+0x305/0x360 [ 69.942542][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 69.944503][ T31] ? __pfx__printk+0x10/0x10 [ 69.946276][ T31] ? schedule+0x163/0x360 [ 69.947885][ T31] ? rcu_is_watching+0x15/0xb0 [ 69.949624][ T31] ? __pfx___schedule+0x10/0x10 [ 69.951347][ T31] ? __mutex_trylock_common+0x94/0x2e0 [ 69.953181][ T31] ? __pfx___mutex_trylock_common+0x10/0x10 [ 69.955351][ T31] schedule+0x163/0x360 [ 69.956978][ T31] schedule_preempt_disabled+0x13/0x30 [ 69.959002][ T31] __mutex_lock+0x441/0x10c0 [ 69.960688][ T31] ? synchronize_rcu_expedited+0x454/0x830 [ 69.963070][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 69.965063][ T31] ? do_raw_spin_lock+0x151/0x370 [ 69.967264][ T31] ? do_raw_spin_unlock+0x58/0x8b0 [ 69.969460][ T31] synchronize_rcu_expedited+0x454/0x830 [ 69.971666][ T31] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 69.974187][ T31] ? add_taint+0x99/0xe0 [ 69.975861][ T31] ? __might_resched+0x564/0x6c0 [ 69.978041][ T31] ? __local_bh_enable_ip+0x168/0x200 [ 69.980361][ T31] ? dev_deactivate_many+0x2e5/0xca0 [ 69.982590][ T31] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 69.984916][ T31] ? do_raw_spin_unlock+0x58/0x8b0 [ 69.986992][ T31] dev_deactivate_many+0x565/0xca0 [ 69.989106][ T31] ? dev_deactivate_many+0x2e5/0xca0 [ 69.991196][ T31] ? __pfx_dev_deactivate_many+0x10/0x10 [ 69.993631][ T31] ? _raw_spin_unlock_irqrestore+0x90/0x140 [ 69.995915][ T31] dev_deactivate+0x186/0x280 [ 69.997628][ T31] ? __pfx_dev_deactivate+0x10/0x10 [ 69.999616][ T31] ? _raw_spin_unlock_irqrestore+0xde/0x140 [ 70.001876][ T31] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 70.004463][ T31] ? ret_from_fork_asm+0x1a/0x30 [ 70.006463][ T31] ? rfc2863_policy+0x1ce/0x3f0 [ 70.008435][ T31] linkwatch_do_dev+0x10a/0x170 [ 70.010379][ T31] ethtool_op_get_link+0x15/0x60 [ 70.012515][ T31] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 70.014799][ T31] bond_check_dev_link+0x1fb/0x4b0 [ 70.017167][ T31] ? __pfx_bond_check_dev_link+0x10/0x10 [ 70.019493][ T31] bond_mii_monitor+0x49d/0x3170 [ 70.021558][ T31] ? validate_chain+0x8a7/0x24e0 [ 70.023727][ T31] ? bond_mii_monitor+0x17f/0x3170 [ 70.025703][ T31] ? __pfx_bond_mii_monitor+0x10/0x10 [ 70.027937][ T31] ? __lock_acquire+0xad5/0xd80 [ 70.029971][ T31] ? lockdep_hardirqs_on+0x9d/0x150 [ 70.032125][ T31] ? process_scheduled_works+0x9cb/0x18e0 [ 70.034382][ T31] process_scheduled_works+0xac3/0x18e0 [ 70.036720][ T31] ? __pfx_process_scheduled_works+0x10/0x10 [ 70.039282][ T31] ? assign_work+0x367/0x3d0 [ 70.041123][ T31] worker_thread+0x870/0xd50 [ 70.043045][ T31] ? __kthread_parkme+0x1a8/0x200 [ 70.045057][ T31] ? __pfx_worker_thread+0x10/0x10 [ 70.047163][ T31] kthread+0x7b7/0x940 [ 70.048829][ T31] ? __pfx_worker_thread+0x10/0x10 [ 70.050989][ T31] ? __pfx_kthread+0x10/0x10 [ 70.053102][ T31] ? __pfx_kthread+0x10/0x10 [ 70.055023][ T31] ? __pfx_kthread+0x10/0x10 [ 70.056925][ T31] ? __pfx_kthread+0x10/0x10 [ 70.058849][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 70.060969][ T31] ? lockdep_hardirqs_on+0x9d/0x150 [ 70.063071][ T31] ? __pfx_kthread+0x10/0x10 [ 70.064957][ T31] ret_from_fork+0x4b/0x80 [ 70.066851][ T31] ? __pfx_kthread+0x10/0x10 [ 70.068756][ T31] ret_from_fork_asm+0x1a/0x30 [ 70.070728][ T31] [ 70.072238][ T31] Kernel Offset: disabled [ 70.074023][ T31] Rebooting in 86400 seconds..