program: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$kcm(0x10, 0x2, 0x0) (async) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$qrtr(0x2a, 0x2, 0x0) connect$qrtr(r3, &(0x7f00000000c0)={0x2a, 0x3, 0x3fff}, 0xc) (async, rerun: 64) r4 = socket(0x11, 0x80a, 0x0) (rerun: 64) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000300)={'bond0\x00', 0x0}) sendmsg$nl_route(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=r5, @ANYBLOB="00000000000000002400128009000100626f6e640000000014000280080003000400000005000600000000002216092c5d4ed5abd4b760dcd23e0d23c18b340f8ebbf248918fd93c77ce25c011cc5fce1306f799ece9c64b64b5fd744a6589b4869be2d58912b27c640a8ba73f7811e017d2e6827c80c22391d481c2e8524e969d791dd6c59aa99598af113254a5a73a10c407ff9d7ae0c320570aff18dadd3fe1fc4fb52a86"], 0x44}}, 0x0) (async) sendmsg$kcm(r1, &(0x7f0000000600)={0x0, 0xfffffffe, &(0x7f0000000080)=[{&(0x7f0000000000)="2e00000010008188040f80ec59acbc0413a1f8480d0000005e140604000000000e000a000f00000002800000121f", 0x2e}], 0x1}, 0x0) (async) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000040)={'ip6gretap0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000003c0)=@newlink={0x70, 0x10, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x0, 0x1391ccd1beab952f}, [@IFLA_LINKINFO={0x48, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0x34, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r6}, @IFLA_GRE_LOCAL={0x14, 0x6, @dev}, @IFLA_GRE_REMOTE={0x14, 0x7, @mcast2={0xff, 0x5}}]}}}, @IFLA_MTU={0x8, 0x4, 0x7}]}, 0x70}}, 0x0) [ 68.612361][ T5315] Bluetooth: hci0: command tx timeout [ 68.665710][ T5331] netlink: 'syz.0.0': attribute type 10 has an invalid length. [ 68.677694][ T5331] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.680998][ T5331] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.690445][ T5331] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.693557][ T5331] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.696526][ T5331] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.699250][ T5331] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.706131][ T5331] bond0: (slave bridge0): Enslaving as an active interface with an up link [ 68.709597][ T12] [ 68.710529][ T12] ============================= [ 68.712526][ T12] WARNING: suspicious RCU usage [ 68.714313][ T12] 6.14.0-syzkaller #0 Not tainted [ 68.716016][ T12] ----------------------------- [ 68.717734][ T12] net/sched/sch_generic.c:1251 suspicious rcu_dereference_protected() usage! [ 68.720893][ T12] [ 68.720893][ T12] other info that might help us debug this: [ 68.720893][ T12] [ 68.724936][ T12] [ 68.724936][ T12] rcu_scheduler_active = 2, debug_locks = 1 [ 68.728025][ T12] 3 locks held by kworker/u4:0/12: [ 68.730024][ T12] #0: ffff888052bc8948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x98b/0x18e0 [ 68.734500][ T12] #1: ffffc900001e7c60 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9c6/0x18e0 [ 68.739118][ T12] #2: ffffffff8eb393e0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x174/0x3170 [ 68.743066][ T12] [ 68.743066][ T12] stack backtrace: [ 68.745395][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u4:0 Not tainted 6.14.0-syzkaller #0 [ 68.745410][ T12] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.745419][ T12] Workqueue: bond0 bond_mii_monitor [ 68.745435][ T12] Call Trace: [ 68.745440][ T12] [ 68.745446][ T12] dump_stack_lvl+0x241/0x360 [ 68.745460][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.745469][ T12] ? __pfx__printk+0x10/0x10 [ 68.745486][ T12] lockdep_rcu_suspicious+0x226/0x340 [ 68.745498][ T12] dev_activate+0xf8/0x1240 [ 68.745549][ T12] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 68.745564][ T12] ? lockdep_hardirqs_on+0x99/0x150 [ 68.745577][ T12] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 68.745592][ T12] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 68.745607][ T12] ? __pfx_dev_activate+0x10/0x10 [ 68.745618][ T12] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 68.745633][ T12] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 68.745650][ T12] ? rfc2863_policy+0x10e/0x3f0 [ 68.745669][ T12] linkwatch_do_dev+0xfb/0x170 [ 68.745682][ T12] ethtool_op_get_link+0x15/0x60 [ 68.745696][ T12] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 68.745709][ T12] bond_check_dev_link+0x1eb/0x4a0 [ 68.745723][ T12] ? __pfx_bond_check_dev_link+0x10/0x10 [ 68.745750][ T12] bond_mii_monitor+0x49a/0x3170 [ 68.745769][ T12] ? __lock_acquire+0x1397/0x2100 [ 68.745792][ T12] ? bond_mii_monitor+0x174/0x3170 [ 68.745809][ T12] ? do_raw_spin_unlock+0x58/0x8b0 [ 68.745831][ T12] ? __pfx_bond_mii_monitor+0x10/0x10 [ 68.745853][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 68.745873][ T12] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 68.745890][ T12] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 68.745914][ T12] ? process_scheduled_works+0x9c6/0x18e0 [ 68.745929][ T12] process_scheduled_works+0xabe/0x18e0 [ 68.745962][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 68.745982][ T12] ? assign_work+0x364/0x3d0 [ 68.746000][ T12] worker_thread+0x870/0xd30 [ 68.746024][ T12] ? __kthread_parkme+0x169/0x1d0 [ 68.746042][ T12] ? __pfx_worker_thread+0x10/0x10 [ 68.746056][ T12] kthread+0x7a9/0x920 [ 68.746071][ T12] ? __pfx_kthread+0x10/0x10 [ 68.746088][ T12] ? __pfx_worker_thread+0x10/0x10 [ 68.746102][ T12] ? __pfx_kthread+0x10/0x10 [ 68.746117][ T12] ? __pfx_kthread+0x10/0x10 [ 68.746135][ T12] ? __pfx_kthread+0x10/0x10 [ 68.746149][ T12] ? _raw_spin_unlock_irq+0x23/0x50 [ 68.746163][ T12] ? lockdep_hardirqs_on+0x99/0x150 [ 68.746178][ T12] ? __pfx_kthread+0x10/0x10 [ 68.746194][ T12] ret_from_fork+0x4b/0x80 [ 68.746209][ T12] ? __pfx_kthread+0x10/0x10 [ 68.746225][ T12] ret_from_fork_asm+0x1a/0x30 [ 68.746249][ T12] [ 68.859205][ T5332] A link change request failed with some changes committed already. Interface ip6gretap0 may have been left with an inconsistent configuration, please check. [ 68.870021][ T12] [ 68.871040][ T12] ============================= [ 68.872898][ T12] WARNING: suspicious RCU usage [ 68.874720][ T12] 6.14.0-syzkaller #0 Not tainted [ 68.876702][ T12] ----------------------------- [ 68.878516][ T12] net/sched/sch_generic.c:1229 suspicious rcu_dereference_protected() usage! [ 68.882142][ T12] [ 68.882142][ T12] other info that might help us debug this: [ 68.882142][ T12] [ 68.886263][ T12] [ 68.886263][ T12] rcu_scheduler_active = 2, debug_locks = 1 [ 68.889437][ T12] 3 locks held by kworker/u4:0/12: [ 68.891431][ T12] #0: ffff888052bc8948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x98b/0x18e0 [ 68.895846][ T12] #1: ffffc900001e7c60 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9c6/0x18e0 [ 68.900778][ T12] #2: ffffffff8eb393e0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x174/0x3170 [ 68.904633][ T12] [ 68.904633][ T12] stack backtrace: [ 68.907005][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u4:0 Not tainted 6.14.0-syzkaller #0 [ 68.907019][ T12] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.907027][ T12] Workqueue: bond0 bond_mii_monitor [ 68.907043][ T12] Call Trace: [ 68.907049][ T12] [ 68.907055][ T12] dump_stack_lvl+0x241/0x360 [ 68.907071][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.907081][ T12] ? __pfx__printk+0x10/0x10 [ 68.907100][ T12] lockdep_rcu_suspicious+0x226/0x340 [ 68.907114][ T12] transition_one_qdisc+0x8e/0x1c0 [ 68.907129][ T12] dev_activate+0x838/0x1240 [ 68.907147][ T12] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 68.907162][ T12] ? __pfx_dev_activate+0x10/0x10 [ 68.907173][ T12] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 68.907186][ T12] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 68.907200][ T12] ? rfc2863_policy+0x10e/0x3f0 [ 68.907219][ T12] linkwatch_do_dev+0xfb/0x170 [ 68.907230][ T12] ethtool_op_get_link+0x15/0x60 [ 68.907243][ T12] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 68.907255][ T12] bond_check_dev_link+0x1eb/0x4a0 [ 68.907269][ T12] ? __pfx_bond_check_dev_link+0x10/0x10 [ 68.907291][ T12] bond_mii_monitor+0x49a/0x3170 [ 68.907310][ T12] ? __lock_acquire+0x1397/0x2100 [ 68.907326][ T12] ? bond_mii_monitor+0x174/0x3170 [ 68.907340][ T12] ? do_raw_spin_unlock+0x58/0x8b0 [ 68.907358][ T12] ? __pfx_bond_mii_monitor+0x10/0x10 [ 68.907379][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 68.907395][ T12] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 68.907413][ T12] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 68.907437][ T12] ? process_scheduled_works+0x9c6/0x18e0 [ 68.907451][ T12] process_scheduled_works+0xabe/0x18e0 [ 68.907484][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 68.907511][ T12] ? assign_work+0x364/0x3d0 [ 68.907529][ T12] worker_thread+0x870/0xd30 [ 68.907554][ T12] ? __kthread_parkme+0x169/0x1d0 [ 68.907571][ T12] ? __pfx_worker_thread+0x10/0x10 [ 68.907585][ T12] kthread+0x7a9/0x920 [ 68.907600][ T12] ? __pfx_kthread+0x10/0x10 [ 68.907618][ T12] ? __pfx_worker_thread+0x10/0x10 [ 68.907632][ T12] ? __pfx_kthread+0x10/0x10 [ 68.907647][ T12] ? __pfx_kthread+0x10/0x10 [ 68.907665][ T12] ? __pfx_kthread+0x10/0x10 [ 68.907680][ T12] ? _raw_spin_unlock_irq+0x23/0x50 [ 68.907693][ T12] ? lockdep_hardirqs_on+0x99/0x150 [ 68.907708][ T12] ? __pfx_kthread+0x10/0x10 [ 68.907724][ T12] ret_from_fork+0x4b/0x80 [ 68.907738][ T12] ? __pfx_kthread+0x10/0x10 [ 68.907753][ T12] ret_from_fork_asm+0x1a/0x30 [ 68.907776][ T12] [ 68.908052][ T5313] ip6_tunnel: ip6gretap0 xmit: Local address not yet configured! [ 69.018163][ T12] [ 69.019260][ T12] ============================= [ 69.021238][ T12] WARNING: suspicious RCU usage [ 69.023284][ T12] 6.14.0-syzkaller #0 Not tainted [ 69.025342][ T12] ----------------------------- [ 69.027258][ T12] ./include/linux/rtnetlink.h:162 suspicious rcu_dereference_protected() usage! [ 69.030726][ T12] [ 69.030726][ T12] other info that might help us debug this: [ 69.030726][ T12] [ 69.034798][ T12] [ 69.034798][ T12] rcu_scheduler_active = 2, debug_locks = 1 [ 69.037941][ T12] 3 locks held by kworker/u4:0/12: [ 69.039982][ T12] #0: ffff888052bc8948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x98b/0x18e0 [ 69.044239][ T12] #1: ffffc900001e7c60 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9c6/0x18e0 [ 69.049549][ T12] #2: ffffffff8eb393e0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x174/0x3170 [ 69.053514][ T12] [ 69.053514][ T12] stack backtrace: [ 69.055772][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u4:0 Not tainted 6.14.0-syzkaller #0 [ 69.055787][ T12] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 69.055796][ T12] Workqueue: bond0 bond_mii_monitor [ 69.055812][ T12] Call Trace: [ 69.055818][ T12] [ 69.055823][ T12] dump_stack_lvl+0x241/0x360 [ 69.055840][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 69.055852][ T12] ? __pfx__printk+0x10/0x10 [ 69.055871][ T12] lockdep_rcu_suspicious+0x226/0x340 [ 69.055886][ T12] dev_activate+0x925/0x1240 [ 69.055906][ T12] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 69.055922][ T12] ? __pfx_dev_activate+0x10/0x10 [ 69.055934][ T12] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 69.055948][ T12] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 69.055964][ T12] ? rfc2863_policy+0x10e/0x3f0 [ 69.055983][ T12] linkwatch_do_dev+0xfb/0x170 [ 69.055995][ T12] ethtool_op_get_link+0x15/0x60 [ 69.056009][ T12] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 69.056022][ T12] bond_check_dev_link+0x1eb/0x4a0 [ 69.056036][ T12] ? __pfx_bond_check_dev_link+0x10/0x10 [ 69.056059][ T12] bond_mii_monitor+0x49a/0x3170 [ 69.056076][ T12] ? __lock_acquire+0x1397/0x2100 [ 69.056091][ T12] ? bond_mii_monitor+0x174/0x3170 [ 69.056105][ T12] ? do_raw_spin_unlock+0x58/0x8b0 [ 69.056122][ T12] ? __pfx_bond_mii_monitor+0x10/0x10 [ 69.056142][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 69.056158][ T12] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 69.056175][ T12] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 69.056200][ T12] ? process_scheduled_works+0x9c6/0x18e0 [ 69.056213][ T12] process_scheduled_works+0xabe/0x18e0 [ 69.056245][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 69.056265][ T12] ? assign_work+0x364/0x3d0 [ 69.056282][ T12] worker_thread+0x870/0xd30 [ 69.056305][ T12] ? __kthread_parkme+0x169/0x1d0 [ 69.056322][ T12] ? __pfx_worker_thread+0x10/0x10 [ 69.056337][ T12] kthread+0x7a9/0x920 [ 69.056352][ T12] ? __pfx_kthread+0x10/0x10 [ 69.056369][ T12] ? __pfx_worker_thread+0x10/0x10 [ 69.056384][ T12] ? __pfx_kthread+0x10/0x10 [ 69.056398][ T12] ? __pfx_kthread+0x10/0x10 [ 69.056415][ T12] ? __pfx_kthread+0x10/0x10 [ 69.056434][ T12] ? _raw_spin_unlock_irq+0x23/0x50 [ 69.056447][ T12] ? lockdep_hardirqs_on+0x99/0x150 [ 69.056462][ T12] ? __pfx_kthread+0x10/0x10 [ 69.056483][ T12] ret_from_fork+0x4b/0x80 [ 69.056496][ T12] ? __pfx_kthread+0x10/0x10 [ 69.056510][ T12] ret_from_fork_asm+0x1a/0x30 [ 69.056534][ T12] [ 69.057639][ T12] ------------[ cut here ]------------ [ 69.159465][ T12] RTNL: assertion failed at net/core/dev.c (2197) [ 69.177017][ T12] WARNING: CPU: 0 PID: 12 at net/core/dev.c:2197 call_netdevice_notifiers_info+0x106/0x110 [ 69.180931][ T12] Modules linked in: [ 69.182783][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u4:0 Not tainted 6.14.0-syzkaller #0 [ 69.186219][ T12] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 69.190435][ T12] Workqueue: bond0 bond_mii_monitor [ 69.192558][ T12] RIP: 0010:call_netdevice_notifiers_info+0x106/0x110 [ 69.195275][ T12] Code: cc cc cc cc e8 4b dd f7 f7 c6 05 f7 1a 5d 06 01 90 48 c7 c7 80 62 2e 8d 48 c7 c6 60 62 2e 8d ba 95 08 00 00 e8 1b 99 b7 f7 90 <0f> 0b 90 90 e9 73 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 69.202636][ T12] RSP: 0018:ffffc900001e7638 EFLAGS: 00010246 [ 69.204979][ T12] RAX: d22dcdff80027e00 RBX: ffff888044878000 RCX: ffff88801caf4880 [ 69.208102][ T12] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 69.211281][ T12] RBP: 0000000000000000 R08: ffffffff81819e52 R09: fffffbfff1d3a69c [ 69.214347][ T12] R10: dffffc0000000000 R11: fffffbfff1d3a69c R12: dffffc0000000000 [ 69.217297][ T12] R13: 1ffff9200003cecc R14: 0000000000000004 R15: ffffc900001e7680 [ 69.220459][ T12] FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 69.224253][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.226765][ T12] CR2: 00007fc4d456ffe0 CR3: 000000001f42c000 CR4: 0000000000352ef0 [ 69.229945][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.233162][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.236207][ T12] Call Trace: [ 69.237628][ T12] [ 69.238871][ T12] ? __warn+0x165/0x4d0 [ 69.240441][ T12] ? call_netdevice_notifiers_info+0x106/0x110 [ 69.242991][ T12] ? report_bug+0x2b3/0x500 [ 69.244871][ T12] ? call_netdevice_notifiers_info+0x106/0x110 [ 69.247116][ T12] ? handle_bug+0x60/0x90 [ 69.248700][ T12] ? exc_invalid_op+0x1a/0x50 [ 69.250510][ T12] ? asm_exc_invalid_op+0x1a/0x20 [ 69.252630][ T12] ? __warn_printk+0x292/0x360 [ 69.254783][ T12] ? call_netdevice_notifiers_info+0x106/0x110 [ 69.257180][ T12] ? call_netdevice_notifiers_info+0x105/0x110 [ 69.259631][ T12] netdev_state_change+0x11f/0x1a0 [ 69.261636][ T12] ? __pfx_netdev_state_change+0x10/0x10 [ 69.264679][ T12] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 69.267053][ T12] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 69.269641][ T12] ? rfc2863_policy+0x10e/0x3f0 [ 69.271577][ T12] linkwatch_do_dev+0x112/0x170 [ 69.273657][ T12] ethtool_op_get_link+0x15/0x60 [ 69.275612][ T12] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 69.277788][ T12] bond_check_dev_link+0x1eb/0x4a0 [ 69.279869][ T12] ? __pfx_bond_check_dev_link+0x10/0x10 [ 69.282317][ T12] bond_mii_monitor+0x49a/0x3170 [ 69.284291][ T12] ? __lock_acquire+0x1397/0x2100 [ 69.286312][ T12] ? bond_mii_monitor+0x174/0x3170 [ 69.288299][ T12] ? do_raw_spin_unlock+0x58/0x8b0 [ 69.290302][ T12] ? __pfx_bond_mii_monitor+0x10/0x10 [ 69.292361][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 69.294174][ T12] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 69.296351][ T12] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 69.298698][ T12] ? process_scheduled_works+0x9c6/0x18e0 [ 69.300870][ T12] process_scheduled_works+0xabe/0x18e0 [ 69.303397][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 69.305888][ T12] ? assign_work+0x364/0x3d0 [ 69.307611][ T12] worker_thread+0x870/0xd30 [ 69.309479][ T12] ? __kthread_parkme+0x169/0x1d0 [ 69.311526][ T12] ? __pfx_worker_thread+0x10/0x10 [ 69.313810][ T12] kthread+0x7a9/0x920 [ 69.315409][ T12] ? __pfx_kthread+0x10/0x10 [ 69.317199][ T12] ? __pfx_worker_thread+0x10/0x10 [ 69.319167][ T12] ? __pfx_kthread+0x10/0x10 [ 69.321039][ T12] ? __pfx_kthread+0x10/0x10 [ 69.322929][ T12] ? __pfx_kthread+0x10/0x10 [ 69.324756][ T12] ? _raw_spin_unlock_irq+0x23/0x50 [ 69.326905][ T12] ? lockdep_hardirqs_on+0x99/0x150 [ 69.329113][ T12] ? __pfx_kthread+0x10/0x10 [ 69.331014][ T12] ret_from_fork+0x4b/0x80 [ 69.332978][ T12] ? __pfx_kthread+0x10/0x10 [ 69.334754][ T12] ret_from_fork_asm+0x1a/0x30 [ 69.336624][ T12] [ 69.337912][ T12] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 69.340656][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u4:0 Not tainted 6.14.0-syzkaller #0 [ 69.343826][ T12] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 69.347932][ T12] Workqueue: bond0 bond_mii_monitor [ 69.350072][ T12] Call Trace: [ 69.351472][ T12] [ 69.352663][ T12] dump_stack_lvl+0x241/0x360 [ 69.354569][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 69.356575][ T12] ? __pfx__printk+0x10/0x10 [ 69.358391][ T12] ? vscnprintf+0x5d/0x90 [ 69.360032][ T12] panic+0x349/0x880 [ 69.361462][ T12] ? __warn+0x174/0x4d0 [ 69.363085][ T12] ? __pfx_panic+0x10/0x10 [ 69.364817][ T12] ? ret_from_fork_asm+0x1a/0x30 [ 69.366771][ T12] __warn+0x344/0x4d0 [ 69.368383][ T12] ? call_netdevice_notifiers_info+0x106/0x110 [ 69.370934][ T12] report_bug+0x2b3/0x500 [ 69.372735][ T12] ? call_netdevice_notifiers_info+0x106/0x110 [ 69.375162][ T12] handle_bug+0x60/0x90 [ 69.376810][ T12] exc_invalid_op+0x1a/0x50 [ 69.378801][ T12] asm_exc_invalid_op+0x1a/0x20 [ 69.380823][ T12] RIP: 0010:call_netdevice_notifiers_info+0x106/0x110 [ 69.383297][ T12] Code: cc cc cc cc e8 4b dd f7 f7 c6 05 f7 1a 5d 06 01 90 48 c7 c7 80 62 2e 8d 48 c7 c6 60 62 2e 8d ba 95 08 00 00 e8 1b 99 b7 f7 90 <0f> 0b 90 90 e9 73 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 69.390699][ T12] RSP: 0018:ffffc900001e7638 EFLAGS: 00010246 [ 69.393108][ T12] RAX: d22dcdff80027e00 RBX: ffff888044878000 RCX: ffff88801caf4880 [ 69.396198][ T12] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 69.399267][ T12] RBP: 0000000000000000 R08: ffffffff81819e52 R09: fffffbfff1d3a69c [ 69.402323][ T12] R10: dffffc0000000000 R11: fffffbfff1d3a69c R12: dffffc0000000000 [ 69.405433][ T12] R13: 1ffff9200003cecc R14: 0000000000000004 R15: ffffc900001e7680 [ 69.408470][ T12] ? __warn_printk+0x292/0x360 [ 69.410412][ T12] ? call_netdevice_notifiers_info+0x105/0x110 [ 69.412769][ T12] netdev_state_change+0x11f/0x1a0 [ 69.414733][ T12] ? __pfx_netdev_state_change+0x10/0x10 [ 69.416913][ T12] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 69.419465][ T12] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 69.422512][ T12] ? rfc2863_policy+0x10e/0x3f0 [ 69.424945][ T12] linkwatch_do_dev+0x112/0x170 [ 69.427276][ T12] ethtool_op_get_link+0x15/0x60 [ 69.429530][ T12] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 69.431868][ T12] bond_check_dev_link+0x1eb/0x4a0 [ 69.434188][ T12] ? __pfx_bond_check_dev_link+0x10/0x10 [ 69.436881][ T12] bond_mii_monitor+0x49a/0x3170 [ 69.438913][ T12] ? __lock_acquire+0x1397/0x2100 [ 69.440667][ T12] ? bond_mii_monitor+0x174/0x3170 [ 69.442902][ T12] ? do_raw_spin_unlock+0x58/0x8b0 [ 69.445003][ T12] ? __pfx_bond_mii_monitor+0x10/0x10 [ 69.446906][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 69.448831][ T12] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 69.451343][ T12] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 69.453849][ T12] ? process_scheduled_works+0x9c6/0x18e0 [ 69.456071][ T12] process_scheduled_works+0xabe/0x18e0 [ 69.458271][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 69.460556][ T12] ? assign_work+0x364/0x3d0 [ 69.462368][ T12] worker_thread+0x870/0xd30 [ 69.464236][ T12] ? __kthread_parkme+0x169/0x1d0 [ 69.466294][ T12] ? __pfx_worker_thread+0x10/0x10 [ 69.468338][ T12] kthread+0x7a9/0x920 [ 69.470012][ T12] ? __pfx_kthread+0x10/0x10 [ 69.471867][ T12] ? __pfx_worker_thread+0x10/0x10 [ 69.473941][ T12] ? __pfx_kthread+0x10/0x10 [ 69.475779][ T12] ? __pfx_kthread+0x10/0x10 [ 69.477647][ T12] ? __pfx_kthread+0x10/0x10 [ 69.479488][ T12] ? _raw_spin_unlock_irq+0x23/0x50 [ 69.481539][ T12] ? lockdep_hardirqs_on+0x99/0x150 [ 69.483583][ T12] ? __pfx_kthread+0x10/0x10 [ 69.485417][ T12] ret_from_fork+0x4b/0x80 [ 69.487069][ T12] ? __pfx_kthread+0x10/0x10 [ 69.488766][ T12] ret_from_fork_asm+0x1a/0x30 [ 69.490559][ T12] [ 69.491988][ T12] Kernel Offset: disabled [ 69.493623][ T12] Rebooting in 86400 seconds..