DUID 00:04:ae:1e:d5:49:b7:3c:3f:84:b3:e9:d7:e4:a5:00:02:90
forked to background, child pid 4645
[ 38.998841][ T4646] 8021q: adding VLAN 0 to HW filter on device bond0
[ 39.017368][ T4646] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.235' (ECDSA) to the list of known hosts.
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syzkaller login: [ 76.242734][ T5532] syz-executor302[5532]: segfault at 10c ip 00007f561b4fa6d1 sp 00007f561b4ef300 error 4 in syz-executor3021261921[7f561b4f9000+9a000] likely on CPU 0 (core 0, socket 0)
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[ 76.276951][ T5532] Code: f3 0f 6f 0c 25 00 04 00 20 c7 04 25 18 04 00 20 00 00 00 00 c7 04 25 1c 04 00 20 00 00 00 00 c7 04 25 3c 04 00 20 00 00 00 00 <8b> 88 0c 01 00 00 48 c7 04 25 10 04 00 20 00 00 00 00 48 c7 04 25
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[ 76.963831][ T6117] syz-executor302[6117]: segfault at 10c ip 00007f561b4fa6d1 sp 00007f561b4ce300 error 4 in syz-executor3021261921[7f561b4f9000+9a000] likely on CPU 0 (core 0, socket 0)
[ 77.009597][ T6117] Code: f3 0f 6f 0c 25 00 04 00 20 c7 04 25 18 04 00 20 00 00 00 00 c7 04 25 1c 04 00 20 00 00 00 00 c7 04 25 3c 04 00 20 00 00 00 00 <8b> 88 0c 01 00 00 48 c7 04 25 10 04 00 20 00 00 00 00 48 c7 04 25
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[ 77.268505][ T6329] syz-executor302[6329]: segfault at 10c ip 00007f561b4fa6d1 sp 00007f561b4ce300 error 4 in syz-executor3021261921[7f561b4f9000+9a000] likely on CPU 1 (core 0, socket 0)
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[ 77.307090][ T6329] Code: f3 0f 6f 0c 25 00 04 00 20 c7 04 25 18 04 00 20 00 00 00 00 c7 04 25 1c 04 00 20 00 00 00 00 c7 04 25 3c 04 00 20 00 00 00 00 <8b> 88 0c 01 00 00 48 c7 04 25 10 04 00 20 00 00 00 00 48 c7 04 25
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[ 77.790460][ T6634] syz-executor302[6634]: segfault at 10c ip 00007f561b4fa6d1 sp 00007f561b4ce300 error 4 in syz-executor3021261921[7f561b4f9000+9a000] likely on CPU 0 (core 0, socket 0)
[ 77.818575][ T6634] Code: f3 0f 6f 0c 25 00 04 00 20 c7 04 25 18 04 00 20 00 00 00 00 c7 04 25 1c 04 00 20 00 00 00 00 c7 04 25 3c 04 00 20 00 00 00 00 <8b> 88 0c 01 00 00 48 c7 04 25 10 04 00 20 00 00 00 00 48 c7 04 25
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[ 80.225622][ T8542] syz-executor302[8542]: segfault at 10c ip 00007f561b4fa6d1 sp 00007f561b4ce300 error 4 in syz-executor3021261921[7f561b4f9000+9a000] likely on CPU 0 (core 0, socket 0)
[ 80.270751][ T8542] Code: f3 0f 6f 0c 25 00 04 00 20 c7 04 25 18 04 00 20 00 00 00 00 c7 04 25 1c 04 00 20 00 00 00 00 c7 04 25 3c 04 00 20 00 00 00 00 <8b> 88 0c 01 00 00 48 c7 04 25 10 04 00 20 00 00 00 00 48 c7 04 25
[ 80.278840][ T8580] syz-executor302[8580]: segfault at 10c ip 00007f561b4fa6d1 sp 00007f561b4ce300 error 4 in syz-executor3021261921[7f561b4f9000+9a000] likely on CPU 0 (core 0, socket 0)
[ 80.321773][ T8580] Code: f3 0f 6f 0c 25 00 04 00 20 c7 04 25 18 04 00 20 00 00 00 00 c7 04 25 1c 04 00 20 00 00 00 00 c7 04 25 3c 04 00 20 00 00 00 00 <8b> 88 0c 01 00 00 48 c7 04 25 10 04 00 20 00 00 00 00 48 c7 04 25
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[ 81.610989][ T898] cfg80211: failed to load regulatory.db
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[ 83.464617][T10343] ==================================================================
[ 83.472994][T10343] BUG: KASAN: use-after-free in io_wq_worker_running+0x114/0x130
[ 83.480869][T10343] Read of size 4 at addr ffff88806f65f004 by task iou-wrk-10317/10343
[ 83.489101][T10343]
[ 83.491466][T10343] CPU: 1 PID: 10343 Comm: iou-wrk-10317 Not tainted 6.2.0-rc3-syzkaller-00021-g7dd4b804e080 #0
[ 83.502344][T10343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 83.512671][T10343] Call Trace:
[ 83.516059][T10343]
[ 83.519089][T10343] dump_stack_lvl+0xd1/0x138
[ 83.523876][T10343] print_report+0x15e/0x45d
[ 83.528665][T10343] ? __phys_addr+0xc8/0x140
[ 83.534110][T10343] ? io_wq_worker_running+0x114/0x130
[ 83.539508][T10343] kasan_report+0xbf/0x1f0
[ 83.544068][T10343] ? io_wq_worker_running+0x114/0x130
[ 83.549451][T10343] io_wq_worker_running+0x114/0x130
[ 83.554765][T10343] schedule_preempt_disabled+0x13/0x20
[ 83.560248][T10343] __mutex_lock+0xa48/0x1360
[ 83.564963][T10343] ? io_wq_submit_work+0x5f7/0xdc0
[ 83.570073][T10343] ? mutex_lock_io_nested+0x11a0/0x11a0
[ 83.575642][T10343] ? find_held_lock+0x2d/0x110
[ 83.580598][T10343] ? io_worker_handle_work+0x599/0x1c60
[ 83.586167][T10343] ? lock_downgrade+0x6e0/0x6e0
[ 83.591011][T10343] ? do_raw_spin_lock+0x124/0x2b0
[ 83.596027][T10343] io_wq_submit_work+0x5f7/0xdc0
[ 83.601802][T10343] io_worker_handle_work+0xc41/0x1c60
[ 83.607805][T10343] io_wqe_worker+0xa5b/0xe40
[ 83.612417][T10343] ? io_worker_handle_work+0x1c60/0x1c60
[ 83.618065][T10343] ? ret_from_fork+0x8/0x30
[ 83.622574][T10343] ? lock_downgrade+0x6e0/0x6e0
[ 83.627418][T10343] ? do_raw_spin_lock+0x124/0x2b0
[ 83.632532][T10343] ? rwlock_bug.part.0+0x90/0x90
[ 83.637483][T10343] ? _raw_spin_unlock_irq+0x23/0x50
[ 83.642685][T10343] ? io_worker_handle_work+0x1c60/0x1c60
[ 83.648489][T10343] ret_from_fork+0x1f/0x30
[ 83.652904][T10343]
[ 83.655910][T10343]
[ 83.658221][T10343] Allocated by task 10317:
[ 83.662626][T10343] kasan_save_stack+0x22/0x40
[ 83.667300][T10343] kasan_set_track+0x25/0x30
[ 83.671876][T10343] __kasan_kmalloc+0xa5/0xb0
[ 83.676547][T10343] create_io_worker+0x10c/0x630
[ 83.681388][T10343] io_wqe_enqueue+0x6c3/0xbc0
[ 83.686089][T10343] io_queue_iowq+0x282/0x5c0
[ 83.690789][T10343] io_queue_sqe_fallback+0xf3/0x190
[ 83.696001][T10343] io_submit_sqes+0x11db/0x1e60
[ 83.700846][T10343] __do_sys_io_uring_enter+0xc1d/0x2540
[ 83.706391][T10343] do_syscall_64+0x39/0xb0
[ 83.710802][T10343] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 83.716696][T10343]
[ 83.719012][T10343] Freed by task 10343:
[ 83.723095][T10343] kasan_save_stack+0x22/0x40
[ 83.727773][T10343] kasan_set_track+0x25/0x30
[ 83.732352][T10343] kasan_save_free_info+0x2e/0x40
[ 83.737368][T10343] ____kasan_slab_free+0x160/0x1c0
[ 83.742466][T10343] slab_free_freelist_hook+0x8b/0x1c0
[ 83.748787][T10343] __kmem_cache_free+0xaf/0x3b0
[ 83.753642][T10343] io_queue_worker_create+0x567/0x660
[ 83.759029][T10343] io_wqe_dec_running+0x1e4/0x240
[ 83.764061][T10343] io_wq_worker_sleeping+0xa6/0xc0
[ 83.769177][T10343] schedule+0x16e/0x1b0
[ 83.773435][T10343] schedule_preempt_disabled+0x13/0x20
[ 83.778898][T10343] __mutex_lock+0xa48/0x1360
[ 83.783514][T10343] io_wq_submit_work+0x5f7/0xdc0
[ 83.788479][T10343] io_worker_handle_work+0xc41/0x1c60
[ 83.794467][T10343] io_wqe_worker+0xa5b/0xe40
[ 83.799058][T10343] ret_from_fork+0x1f/0x30
[ 83.803466][T10343]
[ 83.807809][T10343] Last potentially related work creation:
[ 83.813701][T10343] kasan_save_stack+0x22/0x40
[ 83.818393][T10343] __kasan_record_aux_stack+0xbc/0xd0
[ 83.823782][T10343] task_work_add+0x7f/0x2c0
[ 83.828289][T10343] io_queue_worker_create+0x41d/0x660
[ 83.833694][T10343] io_wqe_dec_running+0x1e4/0x240
[ 83.838733][T10343] io_wq_worker_sleeping+0xa6/0xc0
[ 83.843856][T10343] schedule+0x16e/0x1b0
[ 83.848537][T10343] schedule_preempt_disabled+0x13/0x20
[ 83.854002][T10343] __mutex_lock+0xa48/0x1360
[ 83.858588][T10343] io_wq_submit_work+0x5f7/0xdc0
[ 83.863566][T10343] io_worker_handle_work+0xc41/0x1c60
[ 83.868937][T10343] io_wqe_worker+0xa5b/0xe40
[ 83.873527][T10343] ret_from_fork+0x1f/0x30
[ 83.878050][T10343]
[ 83.880413][T10343] The buggy address belongs to the object at ffff88806f65f000
[ 83.880413][T10343] which belongs to the cache kmalloc-512 of size 512
[ 83.894635][T10343] The buggy address is located 4 bytes inside of
[ 83.894635][T10343] 512-byte region [ffff88806f65f000, ffff88806f65f200)
[ 83.907808][T10343]
[ 83.910116][T10343] The buggy address belongs to the physical page:
[ 83.916508][T10343] page:ffffea0001bd9700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x6f65c
[ 83.926647][T10343] head:ffffea0001bd9700 order:2 compound_mapcount:0 subpages_mapcount:0 compound_pincount:0
[ 83.936714][T10343] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
[ 83.944700][T10343] raw: 00fff00000010200 ffff888012441c80 dead000000000122 0000000000000000
[ 83.953278][T10343] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
[ 83.961855][T10343] page dumped because: kasan: bad access detected
[ 83.968265][T10343] page_owner tracks the page as allocated
[ 83.973990][T10343] page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 10289, tgid 10256 (syz-executor302), ts 82997066921, free_ts 82819421677
[ 83.996625][T10343] get_page_from_freelist+0x119c/0x2ce0
[ 84.002231][T10343] __alloc_pages+0x1cb/0x5b0
[ 84.006840][T10343] allocate_slab+0xa7/0x350
[ 84.011606][T10343] ___slab_alloc+0xa91/0x1400
[ 84.016367][T10343] __slab_alloc.constprop.0+0x56/0xa0
[ 84.021749][T10343] __kmem_cache_alloc_node+0x1a4/0x430
[ 84.027303][T10343] kmalloc_node_trace+0x21/0x60
[ 84.032149][T10343] create_io_worker+0x10c/0x630
[ 84.037144][T10343] io_wqe_enqueue+0x6c3/0xbc0
[ 84.041928][T10343] io_queue_iowq+0x282/0x5c0
[ 84.046517][T10343] io_queue_sqe_fallback+0xf3/0x190
[ 84.051824][T10343] io_submit_sqes+0x11db/0x1e60
[ 84.056772][T10343] __do_sys_io_uring_enter+0xc1d/0x2540
[ 84.062936][T10343] do_syscall_64+0x39/0xb0
[ 84.067373][T10343] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 84.073456][T10343] page last free stack trace:
[ 84.078120][T10343] __free_pages_ok+0x846/0x10b0
[ 84.082993][T10343] io_mem_free.part.0+0xb0/0xb9
[ 84.087849][T10343] io_ring_exit_work+0xa86/0xc84
[ 84.092780][T10343] process_one_work+0x9bf/0x1710
[ 84.097734][T10343] worker_thread+0x669/0x1090
[ 84.102508][T10343] kthread+0x2e8/0x3a0
[ 84.106580][T10343] ret_from_fork+0x1f/0x30
[ 84.111004][T10343]
[ 84.113411][T10343] Memory state around the buggy address:
[ 84.119142][T10343] ffff88806f65ef00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 84.128220][T10343] ffff88806f65ef80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 84.136394][T10343] >ffff88806f65f000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 84.145067][T10343] ^
[ 84.151217][T10343] ffff88806f65f080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 84.159836][T10343] ffff88806f65f100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 84.168425][T10343] ==================================================================
[ 84.180409][T10343] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 84.187744][T10343] CPU: 1 PID: 10343 Comm: iou-wrk-10317 Not tainted 6.2.0-rc3-syzkaller-00021-g7dd4b804e080 #0
[ 84.202608][T10343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 84.214493][T10343] Call Trace:
[ 84.217785][T10343]
[ 84.220973][T10343] dump_stack_lvl+0xd1/0x138
[ 84.225851][T10343] panic+0x2cc/0x626
[ 84.229850][T10343] ? panic_print_sys_info.part.0+0x110/0x110
[ 84.236583][T10343] ? preempt_schedule_thunk+0x1a/0x20
[ 84.242155][T10343] ? preempt_schedule_common+0x59/0xc0
[ 84.250973][T10343] check_panic_on_warn.cold+0x19/0x35
[ 84.257408][T10343] end_report.part.0+0x36/0x73
[ 84.262234][T10343] ? io_wq_worker_running+0x114/0x130
[ 84.267641][T10343] kasan_report.cold+0xa/0xf
[ 84.272644][T10343] ? io_wq_worker_running+0x114/0x130
[ 84.278041][T10343] io_wq_worker_running+0x114/0x130
[ 84.283316][T10343] schedule_preempt_disabled+0x13/0x20
[ 84.289075][T10343] __mutex_lock+0xa48/0x1360
[ 84.296068][T10343] ? io_wq_submit_work+0x5f7/0xdc0
[ 84.302231][T10343] ? mutex_lock_io_nested+0x11a0/0x11a0
[ 84.308865][T10343] ? find_held_lock+0x2d/0x110
[ 84.314298][T10343] ? io_worker_handle_work+0x599/0x1c60
[ 84.319968][T10343] ? lock_downgrade+0x6e0/0x6e0
[ 84.325124][T10343] ? do_raw_spin_lock+0x124/0x2b0
[ 84.330631][T10343] io_wq_submit_work+0x5f7/0xdc0
[ 84.335796][T10343] io_worker_handle_work+0xc41/0x1c60
[ 84.341464][T10343] io_wqe_worker+0xa5b/0xe40
[ 84.346340][T10343] ? io_worker_handle_work+0x1c60/0x1c60
[ 84.352974][T10343] ? ret_from_fork+0x8/0x30
[ 84.357774][T10343] ? lock_downgrade+0x6e0/0x6e0
[ 84.365140][T10343] ? do_raw_spin_lock+0x124/0x2b0
[ 84.370362][T10343] ? rwlock_bug.part.0+0x90/0x90
[ 84.375523][T10343] ? _raw_spin_unlock_irq+0x23/0x50
[ 84.381172][T10343] ? io_worker_handle_work+0x1c60/0x1c60
[ 84.389123][T10343] ret_from_fork+0x1f/0x30
[ 84.394523][T10343]
[ 84.397935][T10343] Kernel Offset: disabled
[ 84.402302][T10343] Rebooting in 86400 seconds..