last executing test programs:
kernel console output (not intermixed with test programs):
Warning: Permanently added '10.128.0.23' (ED25519) to the list of known hosts.
[ 92.755433][ T822] cfg80211: failed to load regulatory.db
[ 95.334662][ T5807] cgroup: Unknown subsys name 'net'
[ 95.576178][ T5807] cgroup: Unknown subsys name 'cpuset'
[ 95.631398][ T5807] cgroup: Unknown subsys name 'rlimit'
[ 95.804511][ T5808] BUG: sleeping function called from invalid context at mm/mmu_gather.c:142
[ 95.804535][ T5808] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 5808, name: udevd
[ 95.804552][ T5808] preempt_count: 0, expected: 0
[ 95.804561][ T5808] RCU nest depth: 1, expected: 0
[ 95.804571][ T5808] 2 locks held by udevd/5808:
[ 95.804582][ T5808] #0: ffff8880387090b0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mmap+0x2c2/0x9e0
[ 95.804654][ T5808] #1: ffffffff8dfc81c0 (rcu_read_lock){....}-{1:3}, at: folio_lruvec_lock_irqsave+0x24/0x540
[ 95.804717][ T5808] CPU: 0 UID: 0 PID: 5808 Comm: udevd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 95.804740][ T5808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 95.804752][ T5808] Call Trace:
[ 95.804760][ T5808]
[ 95.804769][ T5808] dump_stack_lvl+0xe8/0x150
[ 95.804796][ T5808] __might_resched+0x329/0x480
[ 95.804827][ T5808] ? free_unref_folios+0x1877/0x1aa0
[ 95.804862][ T5808] tlb_flush_mmu+0x6f2/0xa30
[ 95.804892][ T5808] tlb_finish_mmu+0xf9/0x230
[ 95.804918][ T5808] exit_mmap+0x498/0x9e0
[ 95.804951][ T5808] ? __pfx_exit_mmap+0x10/0x10
[ 95.804978][ T5808] ? do_raw_spin_lock+0x12b/0x2f0
[ 95.805015][ T5808] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 95.805055][ T5808] ? __pfx_exit_aio+0x10/0x10
[ 95.805097][ T5808] ? uprobe_clear_state+0x2bf/0x3f0
[ 95.805128][ T5808] __mmput+0xcb/0x3e0
[ 95.805152][ T5808] exit_mm+0x18e/0x250
[ 95.805185][ T5808] do_exit+0x6a2/0x22c0
[ 95.805211][ T5808] ? lockdep_hardirqs_on+0x7a/0x110
[ 95.805254][ T5808] ? rt_spin_lock+0x1e0/0x400
[ 95.805276][ T5808] ? __pfx_do_exit+0x10/0x10
[ 95.805303][ T5808] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 95.805336][ T5808] ? rt_spin_unlock+0x160/0x200
[ 95.805361][ T5808] do_group_exit+0x21b/0x2d0
[ 95.805389][ T5808] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
Setting up swapspace version 1, size = 127995904 bytes
[ 95.805407][ T5808] __x64_sys_exit_group+0x3f/0x40
[ 95.805429][ T5808] x64_sys_call+0x221a/0x2240
[ 95.805448][ T5808] do_syscall_64+0x15f/0xf80
[ 95.805469][ T5808] ? trace_irq_disable+0x3b/0x140
[ 95.805489][ T5808] ? clear_bhb_loop+0x40/0x90
[ 95.805510][ T5808] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.805527][ T5808] RIP: 0033:0x7f62bcd8c6c5
[ 95.805543][ T5808] Code: Unable to access opcode bytes at 0x7f62bcd8c69b.
[ 95.805551][ T5808] RSP: 002b:00007fff29267f78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 95.805567][ T5808] RAX: ffffffffffffffda RBX: 000055dbfa9391d0 RCX: 00007f62bcd8c6c5
[ 95.805579][ T5808] RDX: 00000000000000e7 RSI: fffffffffffffe68 RDI: 0000000000000000
[ 95.805590][ T5808] RBP: 000055dbfa6da910 R08: 0000000000000000 R09: 0000000000000000
[ 95.805600][ T5808] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 95.805610][ T5808] R13: 00007fff29267fc0 R14: 0000000000000000 R15: 0000000000000000
[ 95.805636][ T5808]
[ 95.812877][ T5808]
[ 95.812892][ T5808] =============================
[ 95.812898][ T5808] [ BUG: Invalid wait context ]
[ 95.812908][ T5808] syzkaller #0 Tainted: G W
[ 95.812919][ T5808] -----------------------------
[ 95.812924][ T5808] udevd/5808 is trying to lock:
[ 95.812934][ T5808] ffff8880406438b8 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: __sock_release+0x89/0x250
[ 95.812987][ T5808] other info that might help us debug this:
[ 95.812993][ T5808] context-{5:5}
[ 95.812999][ T5808] 1 lock held by udevd/5808:
[ 95.813007][ T5808] #0: ffffffff8dfc81c0 (rcu_read_lock){....}-{1:3}, at: folio_lruvec_lock_irqsave+0x24/0x540
[ 95.813065][ T5808] stack backtrace:
[ 95.813078][ T5808] CPU: 0 UID: 0 PID: 5808 Comm: udevd Tainted: G W syzkaller #0 PREEMPT_{RT,(full)}
[ 95.813102][ T5808] Tainted: [W]=WARN
[ 95.813109][ T5808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 95.813119][ T5808] Call Trace:
[ 95.813126][ T5808]
[ 95.813133][ T5808] dump_stack_lvl+0xe8/0x150
[ 95.813154][ T5808] __lock_acquire+0xec1/0x2cf0
[ 95.813181][ T5808] ? ima_file_free+0x171/0x5e0
[ 95.813211][ T5808] ? __pfx_ima_file_free+0x10/0x10
[ 95.813228][ T5808] ? __lock_acquire+0x6b5/0x2cf0
[ 95.813251][ T5808] ? __sock_release+0x89/0x250
[ 95.813269][ T5808] lock_acquire+0x106/0x350
[ 95.813290][ T5808] ? __sock_release+0x89/0x250
[ 95.813310][ T5808] ? __might_resched+0x37/0x480
[ 95.813338][ T5808] down_write+0x3a/0x50
[ 95.813361][ T5808] ? __sock_release+0x89/0x250
[ 95.813378][ T5808] __sock_release+0x89/0x250
[ 95.813396][ T5808] ? __pfx_sock_close+0x10/0x10
[ 95.813413][ T5808] sock_close+0x1c/0x30
[ 95.813430][ T5808] __fput+0x461/0xa70
[ 95.813454][ T5808] task_work_run+0x1d9/0x270
[ 95.813480][ T5808] ? __pfx_task_work_run+0x10/0x10
[ 95.813507][ T5808] ? rt_spin_unlock+0x160/0x200
[ 95.813528][ T5808] do_exit+0x70f/0x22c0
[ 95.813552][ T5808] ? lockdep_hardirqs_on+0x7a/0x110
[ 95.813577][ T5808] ? rt_spin_lock+0x1e0/0x400
[ 95.813595][ T5808] ? __pfx_do_exit+0x10/0x10
[ 95.813621][ T5808] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 95.813644][ T5808] ? rt_spin_unlock+0x160/0x200
[ 95.813664][ T5808] do_group_exit+0x21b/0x2d0
[ 95.813689][ T5808] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.813708][ T5808] __x64_sys_exit_group+0x3f/0x40
[ 95.813732][ T5808] x64_sys_call+0x221a/0x2240
[ 95.813755][ T5808] do_syscall_64+0x15f/0xf80
[ 95.813779][ T5808] ? trace_irq_disable+0x3b/0x140
[ 95.813800][ T5808] ? clear_bhb_loop+0x40/0x90
[ 95.813822][ T5808] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.813840][ T5808] RIP: 0033:0x7f62bcd8c6c5
[ 95.813856][ T5808] Code: Unable to access opcode bytes at 0x7f62bcd8c69b.
[ 95.813865][ T5808] RSP: 002b:00007fff29267f78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 95.813886][ T5808] RAX: ffffffffffffffda RBX: 000055dbfa9391d0 RCX: 00007f62bcd8c6c5
[ 95.813900][ T5808] RDX: 00000000000000e7 RSI: fffffffffffffe68 RDI: 0000000000000000
[ 95.813914][ T5808] RBP: 000055dbfa6da910 R08: 0000000000000000 R09: 0000000000000000
[ 95.813926][ T5808] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 95.813937][ T5808] R13: 00007fff29267fc0 R14: 0000000000000000 R15: 0000000000000000
[ 95.813972][ T5808]
[ 97.372351][ T5807] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k