Warning: Permanently added '10.128.0.72' (ECDSA) to the list of known hosts.
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[ 561.757248][ T6] ==================================================================
[ 561.765440][ T6] BUG: KASAN: use-after-free in __lock_acquire+0x3eb0/0x56c0
[ 561.772837][ T6] Read of size 8 at addr ffff888076fae328 by task kworker/0:0/6
[ 561.780451][ T6]
[ 561.782756][ T6] CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted 5.18.0-rc3-syzkaller #0
[ 561.790887][ T6] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 561.800925][ T6] Workqueue: events io_fallback_req_func
[ 561.806563][ T6] Call Trace:
[ 561.809998][ T6]
[ 561.812912][ T6] dump_stack_lvl+0xcd/0x134
[ 561.817498][ T6] print_address_description.constprop.0.cold+0xeb/0x495
[ 561.824526][ T6] ? __lock_acquire+0x3eb0/0x56c0
[ 561.829544][ T6] kasan_report.cold+0xf4/0x1c6
[ 561.834378][ T6] ? mark_lock.part.0+0xd0/0x1910
[ 561.839547][ T6] ? __lock_acquire+0x3eb0/0x56c0
[ 561.844578][ T6] __lock_acquire+0x3eb0/0x56c0
[ 561.849425][ T6] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 561.855398][ T6] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 561.861372][ T6] lock_acquire+0x1ab/0x510
[ 561.865870][ T6] ? io_poll_remove_entries.part.0+0x15f/0x7e0
[ 561.872019][ T6] ? lock_release+0x720/0x720
[ 561.876694][ T6] ? lock_release+0x720/0x720
[ 561.881360][ T6] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 561.887761][ T6] ? io_poll_check_events+0x356/0x6e0
[ 561.893116][ T6] ? _raw_spin_lock_irq+0x41/0x50
[ 561.898128][ T6] _raw_spin_lock_irq+0x32/0x50
[ 561.902964][ T6] ? io_poll_remove_entries.part.0+0x15f/0x7e0
[ 561.909110][ T6] io_poll_remove_entries.part.0+0x15f/0x7e0
[ 561.915201][ T6] io_apoll_task_func+0xe6/0x270
[ 561.920141][ T6] io_fallback_req_func+0xf9/0x1ae
[ 561.925240][ T6] ? io_put_req.part.0.cold+0x11/0x11
[ 561.930602][ T6] process_one_work+0x996/0x1610
[ 561.935527][ T6] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 561.940881][ T6] ? rwlock_bug.part.0+0x90/0x90
[ 561.945803][ T6] ? _raw_spin_lock_irq+0x41/0x50
[ 561.950812][ T6] worker_thread+0x665/0x1080
[ 561.955474][ T6] ? process_one_work+0x1610/0x1610
[ 561.960654][ T6] kthread+0x2e9/0x3a0
[ 561.964703][ T6] ? kthread_complete_and_exit+0x40/0x40
[ 561.970316][ T6] ret_from_fork+0x1f/0x30
[ 561.974721][ T6]
[ 561.977718][ T6]
[ 561.980019][ T6] Allocated by task 3786:
[ 561.984319][ T6] kasan_save_stack+0x1e/0x40
[ 561.988977][ T6] __kasan_kmalloc+0xa9/0xd0
[ 561.993551][ T6] io_uring_setup.cold+0x133/0x257d
[ 561.998727][ T6] do_syscall_64+0x35/0xb0
[ 562.003126][ T6] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 562.008998][ T6]
[ 562.011304][ T6] Freed by task 3654:
[ 562.015256][ T6] kasan_save_stack+0x1e/0x40
[ 562.019916][ T6] kasan_set_track+0x21/0x30
[ 562.024485][ T6] kasan_set_free_info+0x20/0x30
[ 562.029404][ T6] ____kasan_slab_free+0x166/0x1a0
[ 562.034493][ T6] slab_free_freelist_hook+0x8b/0x1c0
[ 562.039849][ T6] kfree+0xd6/0x4d0
[ 562.043634][ T6] io_ring_exit_work+0xf57/0xf9d
[ 562.048551][ T6] process_one_work+0x996/0x1610
[ 562.053469][ T6] worker_thread+0x665/0x1080
[ 562.058124][ T6] kthread+0x2e9/0x3a0
[ 562.062171][ T6] ret_from_fork+0x1f/0x30
[ 562.066567][ T6]
[ 562.068865][ T6] Last potentially related work creation:
[ 562.074552][ T6] kasan_save_stack+0x1e/0x40
[ 562.079207][ T6] __kasan_record_aux_stack+0xbe/0xd0
[ 562.084559][ T6] insert_work+0x48/0x350
[ 562.088867][ T6] __queue_work+0x62e/0x1140
[ 562.093436][ T6] queue_work_on+0xee/0x110
[ 562.097916][ T6] io_ring_ctx_wait_and_kill+0x2f2/0x327
[ 562.103529][ T6] io_uring_release+0x42/0x46
[ 562.108359][ T6] __fput+0x277/0x9d0
[ 562.112330][ T6] task_work_run+0xdd/0x1a0
[ 562.116820][ T6] do_exit+0xaff/0x2a00
[ 562.120961][ T6] io_sq_thread.cold+0x1b9/0x1c3
[ 562.125880][ T6] ret_from_fork+0x1f/0x30
[ 562.130279][ T6]
[ 562.132579][ T6] The buggy address belongs to the object at ffff888076fae000
[ 562.132579][ T6] which belongs to the cache kmalloc-2k of size 2048
[ 562.146612][ T6] The buggy address is located 808 bytes inside of
[ 562.146612][ T6] 2048-byte region [ffff888076fae000, ffff888076fae800)
[ 562.159955][ T6]
[ 562.162256][ T6] The buggy address belongs to the physical page:
[ 562.168639][ T6] page:ffffea0001dbea00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x76fa8
[ 562.178768][ T6] head:ffffea0001dbea00 order:3 compound_mapcount:0 compound_pincount:0
[ 562.187069][ T6] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
[ 562.195031][ T6] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888010c42000
[ 562.203595][ T6] raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000
[ 562.212150][ T6] page dumped because: kasan: bad access detected
[ 562.218534][ T6] page_owner tracks the page as allocated
[ 562.224224][ T6] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 3776, tgid 3776 (syz-executor165), ts 561696685616, free_ts 561644426549
[ 562.246006][ T6] get_page_from_freelist+0xba2/0x3e00
[ 562.251459][ T6] __alloc_pages+0x1b2/0x500
[ 562.256033][ T6] alloc_pages+0x1aa/0x310
[ 562.260431][ T6] allocate_slab+0x26c/0x3c0
[ 562.264997][ T6] ___slab_alloc+0x8df/0xf20
[ 562.269566][ T6] __slab_alloc.constprop.0+0x4d/0xa0
[ 562.274916][ T6] __kmalloc+0x318/0x350
[ 562.279136][ T6] io_uring_setup.cold+0x133/0x257d
[ 562.284319][ T6] do_syscall_64+0x35/0xb0
[ 562.288719][ T6] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 562.294593][ T6] page last free stack trace:
[ 562.299236][ T6] free_pcp_prepare+0x549/0xd20
[ 562.304067][ T6] free_unref_page+0x19/0x6a0
[ 562.308724][ T6] __unfreeze_partials+0x17c/0x1a0
[ 562.313813][ T6] qlist_free_all+0x6a/0x170
[ 562.318384][ T6] kasan_quarantine_reduce+0x180/0x200
[ 562.323824][ T6] __kasan_slab_alloc+0xa2/0xc0
[ 562.328652][ T6] kmem_cache_alloc_node+0x255/0x3f0
[ 562.333915][ T6] copy_process+0x5c4/0x6fe0
[ 562.338484][ T6] kernel_clone+0xe7/0xab0
[ 562.342883][ T6] __do_sys_clone+0xc8/0x110
[ 562.347450][ T6] do_syscall_64+0x35/0xb0
[ 562.351849][ T6] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 562.357747][ T6]
[ 562.360053][ T6] Memory state around the buggy address:
[ 562.365659][ T6] ffff888076fae200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 562.373696][ T6] ffff888076fae280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 562.381740][ T6] >ffff888076fae300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 562.389783][ T6] ^
[ 562.395128][ T6] ffff888076fae380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 562.403166][ T6] ffff888076fae400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 562.411200][ T6] ==================================================================
[ 562.419233][ T6] Kernel panic - not syncing: panic_on_warn set ...
[ 562.425791][ T6] CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted 5.18.0-rc3-syzkaller #0
[ 562.433925][ T6] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 562.443966][ T6] Workqueue: events io_fallback_req_func
[ 562.449594][ T6] Call Trace:
[ 562.452856][ T6]
[ 562.455765][ T6] dump_stack_lvl+0xcd/0x134
[ 562.460347][ T6] panic+0x2d7/0x636
[ 562.464225][ T6] ? panic_print_sys_info.part.0+0x10b/0x10b
[ 562.470194][ T6] ? __lock_acquire+0x3eb0/0x56c0
[ 562.475202][ T6] end_report.part.0+0x3f/0x7c
[ 562.479969][ T6] kasan_report.cold+0x93/0x1c6
[ 562.484819][ T6] ? mark_lock.part.0+0xd0/0x1910
[ 562.489935][ T6] ? __lock_acquire+0x3eb0/0x56c0
[ 562.495273][ T6] __lock_acquire+0x3eb0/0x56c0
[ 562.500138][ T6] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 562.506114][ T6] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 562.512093][ T6] lock_acquire+0x1ab/0x510
[ 562.516589][ T6] ? io_poll_remove_entries.part.0+0x15f/0x7e0
[ 562.522737][ T6] ? lock_release+0x720/0x720
[ 562.527409][ T6] ? lock_release+0x720/0x720
[ 562.532075][ T6] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 562.538303][ T6] ? io_poll_check_events+0x356/0x6e0
[ 562.543661][ T6] ? _raw_spin_lock_irq+0x41/0x50
[ 562.548672][ T6] _raw_spin_lock_irq+0x32/0x50
[ 562.553508][ T6] ? io_poll_remove_entries.part.0+0x15f/0x7e0
[ 562.560447][ T6] io_poll_remove_entries.part.0+0x15f/0x7e0
[ 562.566440][ T6] io_apoll_task_func+0xe6/0x270
[ 562.571360][ T6] io_fallback_req_func+0xf9/0x1ae
[ 562.576455][ T6] ? io_put_req.part.0.cold+0x11/0x11
[ 562.581813][ T6] process_one_work+0x996/0x1610
[ 562.586742][ T6] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 562.592097][ T6] ? rwlock_bug.part.0+0x90/0x90
[ 562.597020][ T6] ? _raw_spin_lock_irq+0x41/0x50
[ 562.602033][ T6] worker_thread+0x665/0x1080
[ 562.606695][ T6] ? process_one_work+0x1610/0x1610
[ 562.611878][ T6] kthread+0x2e9/0x3a0
[ 562.616015][ T6] ? kthread_complete_and_exit+0x40/0x40
[ 562.621627][ T6] ret_from_fork+0x1f/0x30
[ 562.626032][ T6]
[ 562.629522][ T6] Kernel Offset: disabled
[ 562.633830][ T6] Rebooting in 86400 seconds..