From: Leon Romanovsky <leon@kernel.org>
To: Yi Zhang <yi.zhang@redhat.com>,
Selvin Xavier <selvin.xavier@broadcom.com>
Cc: RDMA mailing list <linux-rdma@vger.kernel.org>
Subject: Re: [bug report] bnxt_re: UBSAN: shift-out-of-bounds in ./include/linux/log2.h:57:13
Date: Wed, 24 Aug 2022 15:02:24 +0300 [thread overview]
Message-ID: <YwYTUO4ZsOqUwr89@unreal> (raw)
In-Reply-To: <CAHj4cs8B=XE+=iuotM3VAufq3ZFdXoJCP24w+e4sfWrc1gVJvg@mail.gmail.com>
+ Selvin Xavier
On Wed, Aug 24, 2022 at 07:49:52PM +0800, Yi Zhang wrote:
> Hello
>
> I found this issue during the system boots up with 6.0.0-rc2, pls help
> check it, thanks.
>
> [ 64.822670] ================================================================================
> [ 64.831218] UBSAN: shift-out-of-bounds in ./include/linux/log2.h:57:13
> [ 64.837784] shift exponent 64 is too large for 64-bit type 'long
> unsigned int'
> [ 64.845038] CPU: 21 PID: 8 Comm: kworker/u96:0 Tainted: G
> I 6.0.0-rc2.fix1+ #2
> [ 64.853652] Hardware name: Dell Inc. PowerEdge R740/00WGD1, BIOS
> 2.13.3 12/13/2021
> [ 64.861226] Workqueue: bnxt_re bnxt_re_task [bnxt_re]
> [ 64.866303] Call Trace:
> [ 64.868758] <TASK>
> [ 64.870874] dump_stack_lvl+0x44/0x5b
> [ 64.874558] ubsan_epilogue+0x5/0x3a
> [ 64.878141] __ubsan_handle_shift_out_of_bounds.cold.12+0xb4/0xf3
> [ 64.884260] ? _raw_spin_unlock_irqrestore+0x30/0x60
> [ 64.889250] bnxt_qplib_alloc_init_hwq.cold.18+0x1db/0x251 [bnxt_re]
> [ 64.895639] ? kasan_save_stack+0x2b/0x40
> [ 64.899665] ? bnxt_qplib_free_hwq+0xa0/0xa0 [bnxt_re]
> [ 64.901312] hfi1 0000:d8:00.0: hfi1_0: Eager buffer size 8388608
> [ 64.904818] ? bnxt_re_create_qp+0x1bfe/0x5000 [bnxt_re]
> [ 64.904843] ? ib_mad_init_device+0x389/0xd20 [ib_core]
> [ 64.915433] ? add_client_context+0x2fe/0x450 [ib_core]
> [ 64.920693] ? enable_device_and_get+0x1b7/0x350 [ib_core]
> [ 64.926216] ? ib_register_device+0x785/0xb10 [ib_core]
> [ 64.931489] bnxt_qplib_create_qp+0x316/0x1ac0 [bnxt_re]
> [ 64.936838] ? bnxt_qplib_create_qp1+0x1260/0x1260 [bnxt_re]
> [ 64.942506] ? find_held_lock+0x3a/0x1d0
> [ 64.946454] ? lock_release+0x42f/0xce0
> [ 64.950307] ? lock_is_held_type+0xdd/0x130
> [ 64.954535] ? __kasan_kmalloc+0x84/0xa0
> [ 64.958479] ? kmem_cache_alloc_trace+0x199/0x2a0
> [ 64.963194] ? bnxt_re_create_qp+0x1bfe/0x5000 [bnxt_re]
> [ 64.968534] bnxt_re_create_qp+0x2334/0x5000 [bnxt_re]
> [ 64.973689] ? mark_held_locks+0xb7/0x120
> [ 64.977751] ? bnxt_re_destroy_qp+0x7e0/0x7e0 [bnxt_re]
> [ 64.980429] DMA-API: dma_debug_entry pool grown to 131072 (200%)
> [ 64.982998] ? __module_address.part.39+0x65/0x220
> [ 64.987798] ? preempt_count_add+0x80/0x150
> [ 64.991997] ? is_module_address+0x41/0x60
> [ 64.996105] ? static_obj+0x9b/0xc0
> [ 64.999604] ? lockdep_init_map_type+0x2fc/0x800
> [ 65.004242] ? __init_swait_queue_head+0xcb/0x150
> [ 65.008968] ? create_qp+0x59a/0x940 [ib_core]
> [ 65.013454] create_qp+0x59a/0x940 [ib_core]
> [ 65.017773] ? ib_drain_qp+0x50/0x50 [ib_core]
> [ 65.022272] ? lock_is_held_type+0xdd/0x130
> [ 65.026483] ib_create_qp_kernel+0x87/0x2d0 [ib_core]
> [ 65.031573] create_mad_qp+0x163/0x2a0 [ib_core]
> [ 65.036231] ? __list_del_entry+0xb0/0xb0 [ib_core]
> [ 65.041149] ? ib_sa_init.cold.42+0x24/0x24 [ib_core]
> [ 65.046272] ? __ib_alloc_pd+0x10f/0x560 [ib_core]
> [ 65.051110] ib_mad_init_device+0x389/0xd20 [ib_core]
> [ 65.056224] ? lock_downgrade+0x6b0/0x6b0
> [ 65.060250] ? ib_mad_post_receive_mads+0xf10/0xf10 [ib_core]
> [ 65.066034] ? downgrade_write+0x10a/0x3b0
> [ 65.070143] ? up_write+0x4a0/0x4a0
> [ 65.073646] ? do_raw_spin_unlock+0x54/0x230
> [ 65.077958] add_client_context+0x2fe/0x450 [ib_core]
> [ 65.083075] ? ib_unregister_driver+0x1b0/0x1b0 [ib_core]
> [ 65.088538] enable_device_and_get+0x1b7/0x350 [ib_core]
> [ 65.093890] ? add_one_compat_dev+0x700/0x700 [ib_core]
> [ 65.099170] ? rdma_counter_init+0x14c/0x3d0 [ib_core]
> [ 65.104362] ib_register_device+0x785/0xb10 [ib_core]
> [ 65.109463] ? alloc_port_data.part.22+0x390/0x390 [ib_core]
> [ 65.115171] ? _raw_spin_unlock_irqrestore+0x3b/0x60
> [ 65.120146] ? ib_device_set_netdev+0x3d8/0x610 [ib_core]
> [ 65.125592] bnxt_re_task+0x632/0x8f0 [bnxt_re]
> [ 65.130141] ? bnxt_re_netdev_event+0xb40/0xb40 [bnxt_re]
> [ 65.135560] ? lock_is_held_type+0xdd/0x130
> [ 65.139768] ? rcu_read_lock_sched_held+0xb3/0xe0
> [ 65.144493] ? rcu_read_lock_bh_held+0xd0/0xd0
> [ 65.148969] process_one_work+0x970/0x16c0
> [ 65.153104] ? pwq_dec_nr_in_flight+0x270/0x270
> [ 65.157678] worker_thread+0x8a/0xe50
> [ 65.161378] ? process_one_work+0x16c0/0x16c0
> [ 65.165749] kthread+0x29b/0x340
> [ 65.168995] ? kthread_complete_and_exit+0x20/0x20
> [ 65.173803] ret_from_fork+0x1f/0x30
> [ 65.177430] </TASK>
> [ 65.179695] ================================================================================
>
> --
> Best Regards,
> Yi Zhang
>
prev parent reply other threads:[~2022-08-24 12:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-24 11:49 [bug report] bnxt_re: UBSAN: shift-out-of-bounds in ./include/linux/log2.h:57:13 Yi Zhang
2022-08-24 12:02 ` Leon Romanovsky [this message]
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