DUID 00:04:11:31:ea:d8:bb:db:47:a8:80:cb:7d:0b:3c:d8:ea:74
forked to background, child pid 4645
[ 34.979201][ T4646] 8021q: adding VLAN 0 to HW filter on device bond0
[ 35.010699][ T4646] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
syzkaller login: [ 76.239781][ T7] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.1.122' (ECDSA) to the list of known hosts.
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[ 197.063000][T10338] ==================================================================
[ 197.071120][T10338] BUG: KASAN: use-after-free in __list_del_entry_valid+0xec/0x110
[ 197.078952][T10338] Read of size 8 at addr ffff88807ba8f020 by task iou-wrk-10331/10338
[ 197.087101][T10338]
[ 197.089418][T10338] CPU: 0 PID: 10338 Comm: iou-wrk-10331 Not tainted 6.2.0-rc2-syzkaller-00313-g9b43a525db12 #0
[ 197.099729][T10338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 197.109780][T10338] Call Trace:
[ 197.113053][T10338]
[ 197.115983][T10338] dump_stack_lvl+0xd1/0x138
[ 197.120584][T10338] print_report+0x15e/0x45d
[ 197.125100][T10338] ? __phys_addr+0xc8/0x140
[ 197.129609][T10338] ? __list_del_entry_valid+0xec/0x110
[ 197.135081][T10338] kasan_report+0xbf/0x1f0
[ 197.139503][T10338] ? __list_del_entry_valid+0xec/0x110
[ 197.144967][T10338] __list_del_entry_valid+0xec/0x110
[ 197.150252][T10338] io_wqe_worker+0x852/0xe40
[ 197.154839][T10338] ? io_worker_handle_work+0x1c60/0x1c60
[ 197.160483][T10338] ? rwlock_bug.part.0+0x90/0x90
[ 197.165414][T10338] ? _raw_spin_unlock_irq+0x23/0x50
[ 197.170605][T10338] ? io_worker_handle_work+0x1c60/0x1c60
[ 197.176235][T10338] ret_from_fork+0x1f/0x30
[ 197.180654][T10338]
[ 197.183669][T10338]
[ 197.185980][T10338] Allocated by task 10331:
[ 197.190380][T10338] kasan_save_stack+0x22/0x40
[ 197.195051][T10338] kasan_set_track+0x25/0x30
[ 197.199636][T10338] __kasan_kmalloc+0xa5/0xb0
[ 197.204218][T10338] create_io_worker+0x10c/0x630
[ 197.209068][T10338] io_wqe_enqueue+0x6c3/0xbc0
[ 197.213744][T10338] io_queue_iowq+0x282/0x5c0
[ 197.218329][T10338] io_queue_sqe_fallback+0xf3/0x190
[ 197.223522][T10338] io_submit_sqes+0x11db/0x1e60
[ 197.228369][T10338] __do_sys_io_uring_enter+0xc1d/0x2540
[ 197.233915][T10338] do_syscall_64+0x39/0xb0
[ 197.238328][T10338] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 197.244215][T10338]
[ 197.246527][T10338] Last potentially related work creation:
[ 197.252225][T10338] kasan_save_stack+0x22/0x40
[ 197.256892][T10338] __kasan_record_aux_stack+0xbc/0xd0
[ 197.262255][T10338] task_work_add+0x7f/0x2c0
[ 197.266766][T10338] io_queue_worker_create+0x41d/0x660
[ 197.272139][T10338] io_wqe_dec_running+0x1e4/0x240
[ 197.277157][T10338] io_wq_worker_sleeping+0xa6/0xc0
[ 197.282265][T10338] schedule+0x16e/0x1b0
[ 197.286418][T10338] schedule_preempt_disabled+0x13/0x20
[ 197.291872][T10338] __mutex_lock+0xa48/0x1360
[ 197.296447][T10338] io_wq_submit_work+0x5f7/0xdc0
[ 197.301393][T10338] io_worker_handle_work+0xc41/0x1c60
[ 197.306787][T10338] io_wqe_worker+0xa5b/0xe40
[ 197.311389][T10338] ret_from_fork+0x1f/0x30
[ 197.315803][T10338]
[ 197.318162][T10338] The buggy address belongs to the object at ffff88807ba8f000
[ 197.318162][T10338] which belongs to the cache kmalloc-512 of size 512
[ 197.332217][T10338] The buggy address is located 32 bytes inside of
[ 197.332217][T10338] 512-byte region [ffff88807ba8f000, ffff88807ba8f200)
[ 197.345395][T10338]
[ 197.347712][T10338] The buggy address belongs to the physical page:
[ 197.354111][T10338] page:ffffea0001eea300 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7ba8c
[ 197.364256][T10338] head:ffffea0001eea300 order:2 compound_mapcount:0 subpages_mapcount:0 compound_pincount:0
[ 197.374397][T10338] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
[ 197.382385][T10338] raw: 00fff00000010200 ffff888012441c80 dead000000000122 0000000000000000
[ 197.390958][T10338] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
[ 197.399526][T10338] page dumped because: kasan: bad access detected
[ 197.405923][T10338] page_owner tracks the page as allocated
[ 197.411623][T10338] page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 10143, tgid 10077 (syz-executor429), ts 196666481357, free_ts 195660604482
[ 197.433583][T10338] get_page_from_freelist+0x119c/0x2ce0
[ 197.439130][T10338] __alloc_pages+0x1cb/0x5b0
[ 197.443710][T10338] allocate_slab+0xa7/0x350
[ 197.448255][T10338] ___slab_alloc+0xa91/0x1400
[ 197.452920][T10338] __slab_alloc.constprop.0+0x56/0xa0
[ 197.458283][T10338] __kmem_cache_alloc_node+0x1a4/0x430
[ 197.463731][T10338] kmalloc_node_trace+0x21/0x60
[ 197.468575][T10338] create_io_worker+0x10c/0x630
[ 197.473420][T10338] io_wqe_enqueue+0x6c3/0xbc0
[ 197.478088][T10338] io_queue_iowq+0x282/0x5c0
[ 197.482675][T10338] io_queue_sqe_fallback+0xf3/0x190
[ 197.487873][T10338] io_submit_sqes+0x11db/0x1e60
[ 197.492730][T10338] __do_sys_io_uring_enter+0xc1d/0x2540
[ 197.498270][T10338] do_syscall_64+0x39/0xb0
[ 197.502682][T10338] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 197.508564][T10338] page last free stack trace:
[ 197.513232][T10338] free_pcp_prepare+0x65c/0xc00
[ 197.518075][T10338] free_unref_page+0x1d/0x490
[ 197.522746][T10338] __unfreeze_partials+0x17c/0x1a0
[ 197.527858][T10338] qlist_free_all+0x6a/0x170
[ 197.532500][T10338] kasan_quarantine_reduce+0x192/0x220
[ 197.537957][T10338] __kasan_slab_alloc+0x66/0x90
[ 197.542809][T10338] kmem_cache_alloc+0x1e4/0x430
[ 197.547656][T10338] taskstats_exit+0x5f3/0xb80
[ 197.552337][T10338] do_exit+0x822/0x2950
[ 197.556517][T10338] do_group_exit+0xd4/0x2a0
[ 197.561017][T10338] __x64_sys_exit_group+0x3e/0x50
[ 197.566037][T10338] do_syscall_64+0x39/0xb0
[ 197.570447][T10338] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 197.576330][T10338]
[ 197.578642][T10338] Memory state around the buggy address:
[ 197.584255][T10338] ffff88807ba8ef00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 197.592307][T10338] ffff88807ba8ef80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 197.600353][T10338] >ffff88807ba8f000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 197.608397][T10338] ^
[ 197.613489][T10338] ffff88807ba8f080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 197.621547][T10338] ffff88807ba8f100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 197.629595][T10338] ==================================================================
[ 197.637907][T10338] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 197.645093][T10338] CPU: 0 PID: 10338 Comm: iou-wrk-10331 Not tainted 6.2.0-rc2-syzkaller-00313-g9b43a525db12 #0
[ 197.655422][T10338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 197.665464][T10338] Call Trace:
[ 197.668732][T10338]
[ 197.671660][T10338] dump_stack_lvl+0xd1/0x138
[ 197.676251][T10338] panic+0x2cc/0x626
[ 197.680144][T10338] ? panic_print_sys_info.part.0+0x110/0x110
[ 197.686119][T10338] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 197.692273][T10338] check_panic_on_warn.cold+0x19/0x35
[ 197.697645][T10338] end_report.part.0+0x36/0x73
[ 197.702421][T10338] ? __list_del_entry_valid+0xec/0x110
[ 197.707884][T10338] kasan_report.cold+0xa/0xf
[ 197.712573][T10338] ? __list_del_entry_valid+0xec/0x110
[ 197.718028][T10338] __list_del_entry_valid+0xec/0x110
[ 197.723319][T10338] io_wqe_worker+0x852/0xe40
[ 197.727912][T10338] ? io_worker_handle_work+0x1c60/0x1c60
[ 197.733554][T10338] ? rwlock_bug.part.0+0x90/0x90
[ 197.738485][T10338] ? _raw_spin_unlock_irq+0x23/0x50
[ 197.743674][T10338] ? io_worker_handle_work+0x1c60/0x1c60
[ 197.749302][T10338] ret_from_fork+0x1f/0x30
[ 197.753722][T10338]
[ 197.756912][T10338] Kernel Offset: disabled
[ 197.761231][T10338] Rebooting in 86400 seconds..