------------[ cut here ]------------ refcount_t: saturated; leaking memory. WARNING: CPU: 0 PID: 3701 at lib/refcount.c:19 refcount_warn_saturate+0xf4/0x1e0 lib/refcount.c:19 Modules linked in: CPU: 0 PID: 3701 Comm: kworker/0:7 Not tainted 5.19.0-rc8-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 Workqueue: events p9_read_work RIP: 0010:refcount_warn_saturate+0xf4/0x1e0 lib/refcount.c:19 Code: 1d 7d f9 a9 09 31 ff 89 de e8 18 4e 7d fd 84 db 75 ab e8 0f 52 7d fd 48 c7 c7 a0 03 28 8a c6 05 5d f9 a9 09 01 e8 28 fe 35 05 <0f> 0b eb 8f e8 f3 51 7d fd 0f b6 1d 47 f9 a9 09 31 ff 89 de e8 e3 RSP: 0018:ffffc9000353fb78 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888046a7a140 RSI: ffffffff815ffd38 RDI: fffff520006a7f61 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: ffff88823bd94f48 R13: dffffc0000000000 R14: 0000000000000000 R15: 00000000a9a8abaa FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555cc3848 CR3: 000000004a8ec000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __refcount_add_not_zero include/linux/refcount.h:163 [inline] __refcount_inc_not_zero include/linux/refcount.h:227 [inline] refcount_inc_not_zero include/linux/refcount.h:245 [inline] kref_get_unless_zero include/linux/kref.h:111 [inline] p9_req_try_get include/net/9p/client.h:235 [inline] p9_tag_lookup+0x2b3/0x570 net/9p/client.c:341 p9_read_work+0x759/0x1020 net/9p/trans_fd.c:334 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306