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Message-ID: <ZQQRaj6WFizrDZHM@debian.me>
Date: Fri, 15 Sep 2023 15:10:18 +0700
From: Bagas Sanjaya <bagasdotme@...il.com>
To: xiaohui li <buhuiyuanyuan1984@...il.com>,
Linux NVMe <linux-nvme@...ts.infradead.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc: Will Deacon <will@...nel.org>, Ard Biesheuvel <ardb@...nel.org>,
Kees Cook <keescook@...omium.org>,
Hanjun Guo <guohanjun@...wei.com>,
Christoph Hellwig <hch@....de>,
Jesper Dangaard Brouer <brouer@...hat.com>,
Tony Luck <tony.luck@...el.com>
Subject: Re: 【Bug】use-after-free in NVMe
request double completion detected by kasan
On Fri, Sep 15, 2023 at 03:00:34PM +0800, xiaohui li wrote:
> hello everyone:
>
> on my aarch64 board + linux kernel 5.10.4, while doing nvme io test,
> a use-after-free bug has been detected by kasan such as below,
> as this bug has turned up frequently, with high probability.
> in the end, my nvme disk can't work right now.
> hope some one can give me some advise on how to solve this problem, many thanks.
Which nvme disk you have this issue?
>
> ------------------------------------------
> nvme nvme0: I/O 75 QID 6 timeout, aborting
> nvme nvme0: Abort status: 0x0
> nvme nvme0: I/O 75 QID 6 timeout, reset controller
> nvme nvme0: 15/0/0 default/read/poll queues
>
> [ 163.462149][ C1] BUG: KASAN: use-after-free in
> dma_direct_unmap_sg+0x78/0x298
> [ 163.469591][ C1] Read of size 8 at addr ffff0000462fa010 by task
> kworker/u16:5/475
> [ 163.477457][ C1]
> [ 163.479679][ C1] CPU: 1 PID: 475 Comm: kworker/u16:5 Not tainted 5.10.4 #2
> [ 163.486847][ C1] Hardware name: Intellifusion Edge10 (DT)
> [ 163.492558][ C1] Workqueue: writeback wb_workfn (flush-259:0)
> [ 163.498618][ C1] Call trace:
> [ 163.501794][ C1] dump_backtrace+0x0/0x2b8
> [ 163.506182][ C1] show_stack+0x20/0x70
> [ 163.510230][ C1] dump_stack+0xfc/0x168
> [ 163.514371][ C1] print_address_description.constprop.0+0x70/0x4e4
> [ 163.520856][ C1] kasan_report+0x138/0x208
> [ 163.525247][ C1] __asan_load8+0x9c/0xd8
> [ 163.529466][ C1] dma_direct_unmap_sg+0x78/0x298
> [ 163.534378][ C1] dma_unmap_sg_attrs+0x64/0xb0
> [ 163.539126][ C1] nvme_unmap_data+0xb0/0x298
> [ 163.543697][ C1] nvme_pci_complete_rq+0x7c/0x140
> [ 163.548699][ C1] nvme_irq+0x218/0x4a8
> [ 163.552749][ C1] __handle_irq_event_percpu+0x8c/0x3c8
> [ 163.558188][ C1] handle_irq_event_percpu+0x8c/0x108
> [ 163.563451][ C1] handle_irq_event+0x6c/0x120
> [ 163.568105][ C1] handle_simple_irq+0xe0/0x128
> [ 163.572846][ C1] generic_handle_irq+0x54/0x70
> [ 163.577595][ C1] edge_pcie_irq_domain_handler+0x128/0x1a8
> [ 163.583380][ C1] generic_handle_irq+0x54/0x70
> [ 163.588121][ C1] __handle_domain_irq+0x88/0xf0
> [ 163.592947][ C1] gic_handle_irq+0xe4/0x128
> [ 163.597425][ C1] el1_irq+0xc4/0x180
> [ 163.601296][ C1] __asan_load8+0x70/0xd8
> [ 163.605518][ C1] walk_stackframe+0x3c/0x78
> [ 163.609995][ C1] arch_stack_walk+0xd4/0x168
> [ 163.614563][ C1] stack_trace_save+0xa4/0xd8
> [ 163.619129][ C1] kasan_save_stack+0x28/0x58
> [ 163.623695][ C1] __kasan_kmalloc.isra.0+0xc8/0xe8
> [ 163.628783][ C1] kasan_slab_alloc+0x18/0x28
> [ 163.633349][ C1] kmem_cache_alloc+0x1a8/0x640
> [ 163.638089][ C1] ext4_init_io_end+0x2c/0xb0
> [ 163.642657][ C1] ext4_writepages+0x4bc/0x1288
> [ 163.647398][ C1] do_writepages+0xc0/0x1a0
> [ 163.651796][ C1] __writeback_single_inode+0x70/0x7e0
> [ 163.657148][ C1] writeback_sb_inodes+0x324/0x708
> [ 163.662152][ C1] __writeback_inodes_wb+0x70/0x158
> [ 163.667243][ C1] wb_writeback+0x3ac/0x620
> [ 163.671636][ C1] wb_workfn+0x3cc/0x900
> [ 163.675769][ C1] process_one_work+0x3e8/0x888
> [ 163.680507][ C1] worker_thread+0x7c/0x678
> [ 163.684901][ C1] kthread+0x1e0/0x220
> [ 163.688858][ C1] ret_from_fork+0x10/0x34
> [ 163.693154][ C1]
> [ 163.695365][ C1] Allocated by task 475:
> [ 163.699498][ C1] stack_trace_save+0xa4/0xd8
> [ 163.704063][ C1] kasan_save_stack+0x28/0x58
> [ 163.708628][ C1] __kasan_kmalloc.isra.0+0xc8/0xe8
> [ 163.713715][ C1] kasan_kmalloc+0x10/0x20
> [ 163.718017][ C1] __kmalloc+0x3cc/0x690
> [ 163.722152][ C1] mempool_kmalloc+0x24/0x30
> [ 163.726632][ C1] mempool_alloc+0xe8/0x218
> [ 163.731027][ C1] nvme_map_data+0xf0/0xda8
> [ 163.735419][ C1] nvme_queue_rq+0x148/0x3b8
> [ 163.739903][ C1] __blk_mq_try_issue_directly+0x214/0x2e8
> [ 163.745602][ C1] blk_mq_request_issue_directly+0xbc/0x108
> [ 163.751388][ C1] blk_mq_try_issue_list_directly+0xe8/0x1d8
> [ 163.757266][ C1] blk_mq_sched_insert_requests+0x230/0x300
> [ 163.763052][ C1] blk_mq_flush_plug_list+0x22c/0x3c8
> [ 163.768318][ C1] blk_flush_plug_list+0x1e4/0x228
> [ 163.773319][ C1] blk_mq_submit_bio+0x40c/0xa50
> [ 163.778147][ C1] submit_bio_noacct+0x590/0x630
> [ 163.782965][ C1] submit_bio+0xc8/0x360
> [ 163.787093][ C1] ext4_io_submit+0xa8/0xd0
> [ 163.791485][ C1] ext4_writepages+0x8f8/0x1288
> [ 163.796224][ C1] do_writepages+0xc0/0x1a0
> [ 163.800621][ C1] __writeback_single_inode+0x70/0x7e0
> [ 163.805974][ C1] writeback_sb_inodes+0x324/0x708
> [ 163.810978][ C1] __writeback_inodes_wb+0x70/0x158
> [ 163.816068][ C1] wb_writeback+0x3ac/0x620
> [ 163.820461][ C1] wb_workfn+0x3cc/0x900
> [ 163.824590][ C1] process_one_work+0x3e8/0x888
> [ 163.829328][ C1] worker_thread+0x7c/0x678
> [ 163.833721][ C1] kthread+0x1e0/0x220
> [ 163.837677][ C1] ret_from_fork+0x10/0x34
> [ 163.841972][ C1]
> [ 163.844181][ C1] Freed by task 475:
> [ 163.847967][ C1] stack_trace_save+0xa4/0xd8
> [ 163.852533][ C1] kasan_save_stack+0x28/0x58
> [ 163.857097][ C1] kasan_set_track+0x28/0x40
> [ 163.861577][ C1] kasan_set_free_info+0x24/0x48
> [ 163.866402][ C1] __kasan_slab_free+0x100/0x180
> [ 163.871227][ C1] kasan_slab_free+0x14/0x20
> [ 163.875703][ C1] kfree+0xe0/0x400
> [ 163.879401][ C1] mempool_kfree+0x18/0x28
> [ 163.883706][ C1] mempool_free+0x7c/0x1e0
> [ 163.888013][ C1] nvme_unmap_data+0x1ac/0x298
> [ 163.892668][ C1] nvme_pci_complete_rq+0x7c/0x140
> [ 163.897670][ C1] nvme_irq+0x218/0x4a8
> [ 163.901717][ C1] __handle_irq_event_percpu+0x8c/0x3c8
> [ 163.907155][ C1] handle_irq_event_percpu+0x8c/0x108
> [ 163.912419][ C1] handle_irq_event+0x6c/0x120
> [ 163.917072][ C1] handle_simple_irq+0xe0/0x128
> [ 163.921812][ C1] generic_handle_irq+0x54/0x70
> [ 163.926560][ C1] edge_pcie_irq_domain_handler+0x128/0x1a8
> [ 163.932345][ C1] generic_handle_irq+0x54/0x70
> [ 163.937085][ C1] __handle_domain_irq+0x88/0xf0
> [ 163.941909][ C1] gic_handle_irq+0xe4/0x128
> [ 163.946378][ C1]
> [ 163.948594][ C1] The buggy address belongs to the object at
> ffff0000462fa000
> [ 163.948594][ C1] which belongs to the cache kmalloc-4k of size 4096
> [ 163.962561][ C1] The buggy address is located 16 bytes inside of
> [ 163.962561][ C1] 4096-byte region [ffff0000462fa000, ffff0000462fb000)
> [ 163.975734][ C1] The buggy address belongs to the page:
> [ 163.981262][ C1] page:00000000925a6593 refcount:1 mapcount:0
> mapping:0000000000000000 index:0x0 pfn:0x2462f8
> [ 163.991397][ C1] head:00000000925a6593 order:3
> compound_mapcount:0 compound_pincount:0
> [ 163.999622][ C1] flags: 0x4000000000010200(slab|head)
> [ 164.004983][ C1] raw: 4000000000010200 dead000000000100
> dead000000000122 ffff000042003500
> [ 164.013469][ C1] raw: 0000000000000000 0000000000040004
> 00000001ffffffff 0000000000000000
> [ 164.021946][ C1] page dumped because: kasan: bad access detected
> [ 164.028242][ C1]
> [ 164.030450][ C1] Memory state around the buggy address:
> [ 164.035973][ C1] ffff0000462f9f00: fc fc fc fc fc fc fc fc fc
> fc fc fc fc fc fc fc
> [ 164.043934][ C1] ffff0000462f9f80: fc fc fc fc fc fc fc fc fc
> fc fc fc fc fc fc fc
> [ 164.051894][ C1] >ffff0000462fa000: fa fb fb fb fb fb fb fb fb
> fb fb fb fb fb fb fb
> [ 164.059848][ C1] ^
> [ 164.064326][ C1] ffff0000462fa080: fb fb fb fb fb fb fb fb fb
> fb fb fb fb fb fb fb
> [ 164.072287][ C1] ffff0000462fa100: fb fb fb fb fb fb fb fb fb
> fb fb fb fb fb fb fb
>
> ....
>
> [ 164.102216][ C1] BUG: KASAN: double-free or invalid-free in
> mempool_kfree+0x18/0x28
> [ 164.110169][ C1]
> [ 164.112390][ C1] CPU: 1 PID: 475 Comm: kworker/u16:5 Tainted: G
> B 5.10.4 #2
> [ 164.120955][ C1] Hardware name: Intellifusion Edge10 (DT)
> [ 164.126661][ C1] Workqueue: writeback wb_workfn (flush-259:0)
> [ 164.132720][ C1] Call trace:
> [ 164.135892][ C1] dump_backtrace+0x0/0x2b8
> [ 164.140282][ C1] show_stack+0x20/0x70
> [ 164.144328][ C1] dump_stack+0xfc/0x168
> [ 164.148469][ C1] print_address_description.constprop.0+0x70/0x4e4
> [ 164.154951][ C1] kasan_report_invalid_free+0x64/0x90
> [ 164.160299][ C1] __kasan_slab_free+0x154/0x180
> [ 164.165126][ C1] kasan_slab_free+0x14/0x20
> [ 164.169601][ C1] kfree+0xe0/0x400
> [ 164.173299][ C1] mempool_kfree+0x18/0x28
> [ 164.177605][ C1] mempool_free+0x7c/0x1e0
> [ 164.181914][ C1] nvme_unmap_data+0x1ac/0x298
> [ 164.186569][ C1] nvme_pci_complete_rq+0x7c/0x140
> [ 164.191570][ C1] nvme_irq+0x218/0x4a8
> [ 164.195619][ C1] __handle_irq_event_percpu+0x8c/0x3c8
> [ 164.201058][ C1] handle_irq_event_percpu+0x8c/0x108
> [ 164.206322][ C1] handle_irq_event+0x6c/0x120
> [ 164.210976][ C1] handle_simple_irq+0xe0/0x128
> [ 164.215717][ C1] generic_handle_irq+0x54/0x70
> [ 164.220464][ C1] edge_pcie_irq_domain_handler+0x128/0x1a8
> [ 164.226250][ C1] generic_handle_irq+0x54/0x70
> [ 164.230992][ C1] __handle_domain_irq+0x88/0xf0
> [ 164.235817][ C1] gic_handle_irq+0xe4/0x128
> [ 164.240292][ C1] el1_irq+0xc4/0x180
> [ 164.244163][ C1] __asan_load8+0x70/0xd8
> [ 164.248384][ C1] walk_stackframe+0x3c/0x78
> [ 164.252860][ C1] arch_stack_walk+0xd4/0x168
> [ 164.257429][ C1] stack_trace_save+0xa4/0xd8
> [ 164.261995][ C1] kasan_save_stack+0x28/0x58
> [ 164.266561][ C1] __kasan_kmalloc.isra.0+0xc8/0xe8
> [ 164.271650][ C1] kasan_slab_alloc+0x18/0x28
> [ 164.276213][ C1] kmem_cache_alloc+0x1a8/0x640
> [ 164.280952][ C1] ext4_init_io_end+0x2c/0xb0
> [ 164.285517][ C1] ext4_writepages+0x4bc/0x1288
> [ 164.290257][ C1] do_writepages+0xc0/0x1a0
> [ 164.294655][ C1] __writeback_single_inode+0x70/0x7e0
> [ 164.300008][ C1] writeback_sb_inodes+0x324/0x708
> [ 164.305012][ C1] __writeback_inodes_wb+0x70/0x158
> [ 164.310102][ C1] wb_writeback+0x3ac/0x620
> [ 164.314497][ C1] wb_workfn+0x3cc/0x900
> [ 164.318628][ C1] process_one_work+0x3e8/0x888
> [ 164.323365][ C1] worker_thread+0x7c/0x678
> [ 164.327759][ C1] kthread+0x1e0/0x220
> [ 164.331716][ C1] ret_from_fork+0x10/0x34
> [ 164.336013][ C1]
> [ 164.338223][ C1] Allocated by task 475:
> [ 164.342356][ C1] stack_trace_save+0xa4/0xd8
> [ 164.346921][ C1] kasan_save_stack+0x28/0x58
> [ 164.351487][ C1] __kasan_kmalloc.isra.0+0xc8/0xe8
> [ 164.356574][ C1] kasan_kmalloc+0x10/0x20
> [ 164.360876][ C1] __kmalloc+0x3cc/0x690
> [ 164.365009][ C1] mempool_kmalloc+0x24/0x30
> [ 164.369488][ C1] mempool_alloc+0xe8/0x218
> [ 164.373883][ C1] nvme_map_data+0xf0/0xda8
> [ 164.378276][ C1] nvme_queue_rq+0x148/0x3b8
> [ 164.382760][ C1] __blk_mq_try_issue_directly+0x214/0x2e8
> [ 164.388460][ C1] blk_mq_request_issue_directly+0xbc/0x108
> [ 164.394246][ C1] blk_mq_try_issue_list_directly+0xe8/0x1d8
> [ 164.400125][ C1] blk_mq_sched_insert_requests+0x230/0x300
> [ 164.405909][ C1] blk_mq_flush_plug_list+0x22c/0x3c8
> [ 164.411175][ C1] blk_flush_plug_list+0x1e4/0x228
> [ 164.416177][ C1] blk_mq_submit_bio+0x40c/0xa50
> [ 164.421005][ C1] submit_bio_noacct+0x590/0x630
> [ 164.425831][ C1] submit_bio+0xc8/0x360
> [ 164.429960][ C1] ext4_io_submit+0xa8/0xd0
> [ 164.434352][ C1] ext4_writepages+0x8f8/0x1288
> [ 164.439090][ C1] do_writepages+0xc0/0x1a0
> [ 164.443487][ C1] __writeback_single_inode+0x70/0x7e0
> [ 164.448838][ C1] writeback_sb_inodes+0x324/0x708
> [ 164.453842][ C1] __writeback_inodes_wb+0x70/0x158
> [ 164.458931][ C1] wb_writeback+0x3ac/0x620
> [ 164.463325][ C1] wb_workfn+0x3cc/0x900
> [ 164.467456][ C1] process_one_work+0x3e8/0x888
> [ 164.472193][ C1] worker_thread+0x7c/0x678
> [ 164.476585][ C1] kthread+0x1e0/0x220
> [ 164.480541][ C1] ret_from_fork+0x10/0x34
> [ 164.484836][ C1]
> [ 164.487045][ C1] Freed by task 475:
> [ 164.490828][ C1] stack_trace_save+0xa4/0xd8
> [ 164.495393][ C1] kasan_save_stack+0x28/0x58
> [ 164.499958][ C1] kasan_set_track+0x28/0x40
> [ 164.504438][ C1] kasan_set_free_info+0x24/0x48
> [ 164.509264][ C1] __kasan_slab_free+0x100/0x180
> [ 164.514089][ C1] kasan_slab_free+0x14/0x20
> [ 164.518564][ C1] kfree+0xe0/0x400
> [ 164.522261][ C1] mempool_kfree+0x18/0x28
> [ 164.526567][ C1] mempool_free+0x7c/0x1e0
> [ 164.530875][ C1] nvme_unmap_data+0x1ac/0x298
> [ 164.535529][ C1] nvme_pci_complete_rq+0x7c/0x140
> [ 164.540531][ C1] nvme_irq+0x218/0x4a8
> [ 164.544577][ C1] __handle_irq_event_percpu+0x8c/0x3c8
> [ 164.550016][ C1] handle_irq_event_percpu+0x8c/0x108
> [ 164.555279][ C1] handle_irq_event+0x6c/0x120
> [ 164.559931][ C1] handle_simple_irq+0xe0/0x128
> [ 164.564672][ C1] generic_handle_irq+0x54/0x70
> [ 164.569408][ C1] edge_pcie_irq_domain_handler+0x128/0x1a8
> [ 164.575192][ C1] generic_handle_irq+0x54/0x70
> [ 164.579932][ C1] __handle_domain_irq+0x88/0xf0
> [ 164.584757][ C1] gic_handle_irq+0xe4/0x128
> [ 164.589225][ C1]
> [ 164.591439][ C1] The buggy address belongs to the object at
> ffff0000462fa000
> [ 164.591439][ C1] which belongs to the cache kmalloc-4k of size 4096
> [ 164.605405][ C1] The buggy address is located 0 bytes inside of
> [ 164.605405][ C1] 4096-byte region [ffff0000462fa000, ffff0000462fb000)
> [ 164.618491][ C1] The buggy address belongs to the page:
> [ 164.624015][ C1] page:00000000925a6593 refcount:1 mapcount:0
> mapping:0000000000000000 index:0x0 pfn:0x2462f8
> [ 164.634151][ C1] head:00000000925a6593 order:3
> compound_mapcount:0 compound_pincount:0
> [ 164.642374][ C1] flags: 0x4000000000010200(slab|head)
> [ 164.647732][ C1] raw: 4000000000010200 dead000000000100
> dead000000000122 ffff000042003500
> [ 164.656218][ C1] raw: 0000000000000000 0000000000040004
> 00000001ffffffff 0000000000000000
> [ 164.664694][ C1] page dumped because: kasan: bad access detected
> [ 164.670990][ C1]
> [ 164.673199][ C1] Memory state around the buggy address:
> [ 164.678721][ C1] ffff0000462f9f00: fc fc fc fc fc fc fc fc fc
> fc fc fc fc fc fc fc
> [ 164.686682][ C1] ffff0000462f9f80: fc fc fc fc fc fc fc fc fc
> fc fc fc fc fc fc fc
> [ 164.694642][ C1] >ffff0000462fa000: fa fb fb fb fb fb fb fb fb
> fb fb fb fb fb fb fb
> [ 164.702594][ C1] ^
> [ 164.706550][ C1] ffff0000462fa080: fb fb fb fb fb fb fb fb fb
> fb fb fb fb fb fb fb
> [ 164.714510][ C1] ffff0000462fa100: fb fb fb fb fb fb fb fb fb
> fb fb fb fb fb fb fb
> [ 164.722464][ C1]
> ==================================================================
> [ 164.730436][ C1] ------------[ cut here ]------------
> [ 164.735781][ C1] refcount_t: underflow; use-after-free.
> [ 164.741420][ C1] WARNING: CPU: 1 PID: 475 at lib/refcount.c:28
> refcount_warn_saturate+0x11c/0x178
> [ 164.750600][ C1] Modules linked in:
> [ 164.754402][ C1] CPU: 1 PID: 475 Comm: kworker/u16:5 Tainted: G
> B 5.10.4 #2
> [ 164.762967][ C1] Hardware name: Intellifusion Edge10 (DT)
> [ 164.768677][ C1] Workqueue: writeback wb_workfn (flush-259:0)
> [ 164.774741][ C1] pstate: 60400085 (nZCv daIf +PAN -UAO -TCO BTYPE=--)
> [ 164.781489][ C1] pc : refcount_warn_saturate+0x11c/0x178
> [ 164.787103][ C1] lr : refcount_warn_saturate+0x11c/0x178
> [ 164.792706][ C1] sp : ffff0000eb4a0fe0
> [ 164.796743][ C1] x29: ffff0000eb4a0fe0 x28: 0000000000000000
> [ 164.802800][ C1] x27: 00000000000001a2 x26: ffff0000453671f6
> [ 164.808856][ C1] x25: fffffdffbfeeaf00 x24: ffff0000457b751c
> [ 164.814913][ C1] x23: ffff0000457b7518 x22: 0000000000000000
> [ 164.820969][ C1] x21: ffff000045e70000 x20: ffff0000457b75d0
> [ 164.827024][ C1] x19: 0000000000000003 x18: 0000000000000000
> [ 164.833078][ C1] x17: 0000000000000000 x16: 0000000000000000
> [ 164.839133][ C1] x15: 0000000000000000 x14: 0720072007200720
> [ 164.845191][ C1] x13: 0720072007200720 x12: ffff80001d690d0c
> [ 164.851248][ C1] x11: 1fffe0001d690d0b x10: ffff80001d690d0b
> [ 164.857305][ C1] x9 : dfffa00000000000 x8 : ffff0000eb48685b
> [ 164.863360][ C1] x7 : 0000000000000001 x6 : ffff0000eb486858
> [ 164.869416][ C1] x5 : 00007fffe296f2f5 x4 : dfffa00000000000
> [ 164.875473][ C1] x3 : ffffa000100e359c x2 : ffff80001d6941c6
> [ 164.881529][ C1] x1 : 050c75be6612ca00 x0 : 0000000000000000
> [ 164.887584][ C1] Call trace:
> [ 164.890766][ C1] refcount_warn_saturate+0x11c/0x178
> [ 164.896031][ C1] blk_mq_free_request+0x254/0x2c0
> [ 164.901032][ C1] blk_mq_end_request+0x1c4/0x1e8
> [ 164.905951][ C1] nvme_complete_rq+0xa8/0x458
> [ 164.910608][ C1] nvme_pci_complete_rq+0x84/0x140
> [ 164.915610][ C1] nvme_irq+0x218/0x4a8
> [ 164.919660][ C1] __handle_irq_event_percpu+0x8c/0x3c8
> [ 164.925098][ C1] handle_irq_event_percpu+0x8c/0x108
> [ 164.930362][ C1] handle_irq_event+0x6c/0x120
> [ 164.935016][ C1] handle_simple_irq+0xe0/0x128
> [ 164.939756][ C1] generic_handle_irq+0x54/0x70
> [ 164.944502][ C1] edge_pcie_irq_domain_handler+0x128/0x1a8
> [ 164.950287][ C1] generic_handle_irq+0x54/0x70
> [ 164.955028][ C1] __handle_domain_irq+0x88/0xf0
> [ 164.959854][ C1] gic_handle_irq+0xe4/0x128
> [ 164.964331][ C1] el1_irq+0xc4/0x180
> [ 164.968202][ C1] __asan_load8+0x70/0xd8
> [ 164.972425][ C1] walk_stackframe+0x3c/0x78
> [ 164.976902][ C1] arch_stack_walk+0xd4/0x168
> [ 164.981471][ C1] stack_trace_save+0xa4/0xd8
> [ 164.986036][ C1] kasan_save_stack+0x28/0x58
> [ 164.990603][ C1] __kasan_kmalloc.isra.0+0xc8/0xe8
> [ 164.995690][ C1] kasan_slab_alloc+0x18/0x28
> [ 165.000254][ C1] kmem_cache_alloc+0x1a8/0x640
> [ 165.004992][ C1] ext4_init_io_end+0x2c/0xb0
> [ 165.009559][ C1] ext4_writepages+0x4bc/0x1288
> [ 165.014301][ C1] do_writepages+0xc0/0x1a0
> [ 165.018699][ C1] __writeback_single_inode+0x70/0x7e0
> [ 165.024051][ C1] writeback_sb_inodes+0x324/0x708
> [ 165.029055][ C1] __writeback_inodes_wb+0x70/0x158
> [ 165.034145][ C1] wb_writeback+0x3ac/0x620
> [ 165.038539][ C1] wb_workfn+0x3cc/0x900
> [ 165.042669][ C1] process_one_work+0x3e8/0x888
> [ 165.047406][ C1] worker_thread+0x7c/0x678
> [ 165.051800][ C1] kthread+0x1e0/0x220
> [ 165.055757][ C1] ret_from_fork+0x10/0x34
> [ 165.060058][ C1] ---[ end trace 39fad493b57b2c12 ]---
> [ 165.188702][ C4] nvme nvme0: invalid id 0 completed on queue 5
> [ 165.247987][ C4] nvme nvme0: invalid id 0 completed on queue 5
> [ 165.307319][ C4] nvme nvme0: invalid id 0 completed on queue 5
> [ 193.539269][ T154] nvme nvme0: I/O 392 QID 2 timeout, aborting
> [ 193.588563][ C6] nvme nvme0: Abort status: 0x0
>
Can you test latest mainline (currently v6.6-rc1)?
--
An old man doll... just what I always wanted! - Clara
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