DUID 00:04:83:15:3d:b3:f9:44:11:d6:e6:e1:d9:1f:49:4d:f4:66
forked to background, child pid 3181
[ 26.008569][ T3182] 8021q: adding VLAN 0 to HW filter on device bond0
[ 26.012823][ T3182] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.54' (ECDSA) to the list of known hosts.
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syzkaller login: [ 76.167426][ T6] cfg80211: failed to load regulatory.db
[ 76.191295][ T4110] ==================================================================
[ 76.191306][ T4110] BUG: KASAN: use-after-free in __lock_acquire+0x3ab9/0x5660
[ 76.191354][ T4110] Read of size 8 at addr ffff88807b7a93b8 by task syz-executor404/4110
[ 76.191374][ T4110]
executing program
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[ 76.191379][ T4110] CPU: 0 PID: 4110 Comm: syz-executor404 Not tainted 5.18.0-syzkaller-11972-gd1dc87763f40 #0
[ 76.191406][ T4110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 76.191420][ T4110] Call Trace:
[ 76.191426][ T4110]
[ 76.191434][ T4110] dump_stack_lvl+0xcd/0x134
[ 76.191468][ T4110] print_address_description.constprop.0.cold+0xeb/0x495
[ 76.191499][ T4110] ? __lock_acquire+0x3ab9/0x5660
[ 76.191528][ T4110] kasan_report.cold+0xf4/0x1c6
[ 76.191553][ T4110] ? __lock_acquire+0x3ab9/0x5660
executing program
executing program
executing program
[ 76.191582][ T4110] __lock_acquire+0x3ab9/0x5660
[ 76.191615][ T4110] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 76.191646][ T4110] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 76.191673][ T4110] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 76.191705][ T4110] lock_acquire+0x1ab/0x570
[ 76.191733][ T4110] ? io_poll_remove_entries.part.0+0x15f/0x7e0
[ 76.191764][ T4110] ? lock_release+0x780/0x780
[ 76.191791][ T4110] ? lock_release+0x780/0x780
[ 76.191819][ T4110] ? io_poll_check_events+0x6ca/0x890
executing program
[ 76.191849][ T4110] ? _raw_spin_lock_irq+0x41/0x50
[ 76.191874][ T4110] _raw_spin_lock_irq+0x32/0x50
[ 76.191896][ T4110] ? io_poll_remove_entries.part.0+0x15f/0x7e0
[ 76.191924][ T4110] io_poll_remove_entries.part.0+0x15f/0x7e0
[ 76.191953][ T4110] ? _raw_spin_unlock+0x36/0x40
[ 76.191976][ T4110] io_apoll_task_func+0xbd/0x230
[ 76.192006][ T4110] tctx_task_work+0x16a/0xe10
[ 76.192037][ T4110] ? ctx_flush_and_put+0x1b0/0x1b0
[ 76.192068][ T4110] task_work_run+0xdd/0x1a0
[ 76.192097][ T4110] do_exit+0xaff/0x2a00
[ 76.192124][ T4110] ? lock_downgrade+0x6e0/0x6e0
[ 76.192154][ T4110] ? mm_update_next_owner+0x7a0/0x7a0
[ 76.192187][ T4110] do_group_exit+0xd2/0x2f0
[ 76.192216][ T4110] __x64_sys_exit_group+0x3a/0x50
[ 76.192245][ T4110] do_syscall_64+0x35/0xb0
[ 76.192270][ T4110] entry_SYSCALL_64_after_hwframe+0x46/0xb0
[ 76.192304][ T4110] RIP: 0033:0x7fd1eaa3a689
[ 76.192322][ T4110] Code: Unable to access opcode bytes at RIP 0x7fd1eaa3a65f.
[ 76.192332][ T4110] RSP: 002b:00007ffe67b8b7a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 76.192356][ T4110] RAX: ffffffffffffffda RBX: 00007fd1eaaae330 RCX: 00007fd1eaa3a689
[ 76.192373][ T4110] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 76.192388][ T4110] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000
[ 76.192404][ T4110] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd1eaaae330
[ 76.192420][ T4110] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[ 76.192442][ T4110]
[ 76.192449][ T4110]
[ 76.192452][ T4110] Allocated by task 4110:
[ 76.192461][ T4110] kasan_save_stack+0x1e/0x40
[ 76.192489][ T4110] __kasan_kmalloc+0xa9/0xd0
[ 76.192514][ T4110] io_uring_setup.cold+0x12e/0x27fc
[ 76.192534][ T4110] do_syscall_64+0x35/0xb0
[ 76.192556][ T4110] entry_SYSCALL_64_after_hwframe+0x46/0xb0
[ 76.192579][ T4110]
[ 76.192582][ T4110] Freed by task 3650:
[ 76.192591][ T4110] kasan_save_stack+0x1e/0x40
[ 76.192616][ T4110] kasan_set_track+0x21/0x30
[ 76.192641][ T4110] kasan_set_free_info+0x20/0x30
[ 76.192662][ T4110] ____kasan_slab_free+0x166/0x1a0
[ 76.192687][ T4110] slab_free_freelist_hook+0x8b/0x1c0
[ 76.192712][ T4110] kfree+0xd6/0x4d0
[ 76.192734][ T4110] io_ring_exit_work+0xe29/0xe74
[ 76.192752][ T4110] process_one_work+0x996/0x1610
[ 76.192773][ T4110] worker_thread+0x665/0x1080
[ 76.192793][ T4110] kthread+0x2e9/0x3a0
[ 76.192810][ T4110] ret_from_fork+0x1f/0x30
[ 76.192834][ T4110]
[ 76.192837][ T4110] Last potentially related work creation:
[ 76.192843][ T4110] kasan_save_stack+0x1e/0x40
[ 76.192868][ T4110] __kasan_record_aux_stack+0xbe/0xd0
[ 76.192889][ T4110] insert_work+0x48/0x350
[ 76.192908][ T4110] __queue_work+0x62e/0x1140
[ 76.192930][ T4110] queue_work_on+0xee/0x110
[ 76.192951][ T4110] io_ring_ctx_wait_and_kill+0x327/0x360
[ 76.192972][ T4110] io_uring_release+0x42/0x46
[ 76.192991][ T4110] __fput+0x277/0x9d0
[ 76.193008][ T4110] task_work_run+0xdd/0x1a0
[ 76.193031][ T4110] do_exit+0xaff/0x2a00
[ 76.193053][ T4110] do_group_exit+0xd2/0x2f0
[ 76.193077][ T4110] __x64_sys_exit_group+0x3a/0x50
[ 76.193103][ T4110] do_syscall_64+0x35/0xb0
[ 76.193124][ T4110] entry_SYSCALL_64_after_hwframe+0x46/0xb0
[ 76.193146][ T4110]
[ 76.193150][ T4110] The buggy address belongs to the object at ffff88807b7a9000
[ 76.193150][ T4110] which belongs to the cache kmalloc-2k of size 2048
[ 76.193167][ T4110] The buggy address is located 952 bytes inside of
[ 76.193167][ T4110] 2048-byte region [ffff88807b7a9000, ffff88807b7a9800)
[ 76.193189][ T4110]
[ 76.193192][ T4110] The buggy address belongs to the physical page:
[ 76.193199][ T4110] page:ffffea0001edea00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7b7a8
[ 76.193224][ T4110] head:ffffea0001edea00 order:3 compound_mapcount:0 compound_pincount:0
[ 76.193241][ T4110] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
[ 76.193273][ T4110] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888010c42000
[ 76.193300][ T4110] raw: 0000000000000000 0000000080080008 00000001ffffffff 0000000000000000
[ 76.193312][ T4110] page dumped because: kasan: bad access detected
[ 76.193320][ T4110] page_owner tracks the page as allocated
[ 76.193325][ T4110] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 4110, tgid 4110 (syz-executor404), ts 76147822933, free_ts 76137859535
[ 76.193368][ T4110] get_page_from_freelist+0x1290/0x3b70
[ 76.193392][ T4110] __alloc_pages+0x1c7/0x510
[ 76.193413][ T4110] alloc_pages+0x1aa/0x310
[ 76.193431][ T4110] allocate_slab+0x26c/0x3c0
[ 76.193454][ T4110] ___slab_alloc+0x985/0xd90
[ 76.193477][ T4110] __slab_alloc.constprop.0+0x4d/0xa0
[ 76.193503][ T4110] __kmalloc+0x318/0x350
[ 76.193525][ T4110] io_uring_setup.cold+0x12e/0x27fc
[ 76.193545][ T4110] do_syscall_64+0x35/0xb0
[ 76.193566][ T4110] entry_SYSCALL_64_after_hwframe+0x46/0xb0
[ 76.193589][ T4110] page last free stack trace:
[ 76.193594][ T4110] free_pcp_prepare+0x549/0xd20
[ 76.193614][ T4110] free_unref_page+0x19/0x6a0
[ 76.193634][ T4110] __unfreeze_partials+0x17c/0x1a0
[ 76.193659][ T4110] qlist_free_all+0x6a/0x170
[ 76.193680][ T4110] kasan_quarantine_reduce+0x180/0x200
[ 76.193703][ T4110] __kasan_slab_alloc+0xa2/0xc0
[ 76.193722][ T4110] kmem_cache_alloc+0x204/0x3b0
[ 76.193746][ T4110] vm_area_alloc+0x1c/0x110
[ 76.193768][ T4110] mmap_region+0x96e/0x1460
[ 76.193786][ T4110] do_mmap+0x863/0xfa0
[ 76.193804][ T4110] vm_mmap_pgoff+0x1b7/0x290
[ 76.193827][ T4110] ksys_mmap_pgoff+0x40d/0x5a0
[ 76.193847][ T4110] do_syscall_64+0x35/0xb0
[ 76.193868][ T4110] entry_SYSCALL_64_after_hwframe+0x46/0xb0
[ 76.193891][ T4110]
[ 76.193894][ T4110] Memory state around the buggy address:
[ 76.193903][ T4110] ffff88807b7a9280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 76.193919][ T4110] ffff88807b7a9300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 76.193935][ T4110] >ffff88807b7a9380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 76.193946][ T4110] ^
[ 76.193957][ T4110] ffff88807b7a9400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 76.193972][ T4110] ffff88807b7a9480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 76.193984][ T4110] ==================================================================
[ 76.193992][ T4110] Kernel panic - not syncing: panic_on_warn set ...
[ 76.939252][ T4110] CPU: 0 PID: 4110 Comm: syz-executor404 Not tainted 5.18.0-syzkaller-11972-gd1dc87763f40 #0
[ 76.949418][ T4110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 76.959493][ T4110] Call Trace:
[ 76.962785][ T4110]
[ 76.965726][ T4110] dump_stack_lvl+0xcd/0x134
[ 76.970345][ T4110] panic+0x2d7/0x636
[ 76.974261][ T4110] ? panic_print_sys_info.part.0+0x10b/0x10b
[ 76.980269][ T4110] ? __lock_acquire+0x3ab9/0x5660
[ 76.985317][ T4110] end_report.part.0+0x3f/0x7c
[ 76.990100][ T4110] kasan_report.cold+0x93/0x1c6
[ 76.994976][ T4110] ? __lock_acquire+0x3ab9/0x5660
[ 77.000030][ T4110] __lock_acquire+0x3ab9/0x5660
[ 77.004916][ T4110] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 77.010925][ T4110] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 77.016929][ T4110] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 77.023137][ T4110] lock_acquire+0x1ab/0x570
[ 77.027670][ T4110] ? io_poll_remove_entries.part.0+0x15f/0x7e0
[ 77.033859][ T4110] ? lock_release+0x780/0x780
[ 77.038568][ T4110] ? lock_release+0x780/0x780
[ 77.043273][ T4110] ? io_poll_check_events+0x6ca/0x890
[ 77.048684][ T4110] ? _raw_spin_lock_irq+0x41/0x50
[ 77.053734][ T4110] _raw_spin_lock_irq+0x32/0x50
[ 77.058606][ T4110] ? io_poll_remove_entries.part.0+0x15f/0x7e0
[ 77.064794][ T4110] io_poll_remove_entries.part.0+0x15f/0x7e0
[ 77.070801][ T4110] ? _raw_spin_unlock+0x36/0x40
[ 77.075685][ T4110] io_apoll_task_func+0xbd/0x230
[ 77.080661][ T4110] tctx_task_work+0x16a/0xe10
[ 77.085365][ T4110] ? ctx_flush_and_put+0x1b0/0x1b0
[ 77.090503][ T4110] task_work_run+0xdd/0x1a0
[ 77.095035][ T4110] do_exit+0xaff/0x2a00
[ 77.099215][ T4110] ? lock_downgrade+0x6e0/0x6e0
[ 77.104091][ T4110] ? mm_update_next_owner+0x7a0/0x7a0
[ 77.109495][ T4110] do_group_exit+0xd2/0x2f0
[ 77.114032][ T4110] __x64_sys_exit_group+0x3a/0x50
[ 77.119092][ T4110] do_syscall_64+0x35/0xb0
[ 77.123528][ T4110] entry_SYSCALL_64_after_hwframe+0x46/0xb0
[ 77.129444][ T4110] RIP: 0033:0x7fd1eaa3a689
[ 77.133872][ T4110] Code: Unable to access opcode bytes at RIP 0x7fd1eaa3a65f.
[ 77.141243][ T4110] RSP: 002b:00007ffe67b8b7a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 77.149673][ T4110] RAX: ffffffffffffffda RBX: 00007fd1eaaae330 RCX: 00007fd1eaa3a689
[ 77.157665][ T4110] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 77.165655][ T4110] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000
[ 77.173655][ T4110] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd1eaaae330
[ 77.181650][ T4110] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[ 77.189649][ T4110]
[ 77.192842][ T4110] Kernel Offset: disabled
[ 77.197169][ T4110] Rebooting in 86400 seconds..