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BUG: KMSAN: uninit-value in qrtr_tx_resume+0x185/0x1f0 net/qrtr/af_qrtr.c:230
 qrtr_tx_resume+0x185/0x1f0 net/qrtr/af_qrtr.c:230
 qrtr_endpoint_post+0xf95/0x11c0 net/qrtr/af_qrtr.c:519
 qrtr_tun_write_iter+0x274/0x400 net/qrtr/tun.c:108
 call_write_iter include/linux/fs.h:2189 [inline]
 aio_write+0x70f/0x9d0 fs/aio.c:1604
 io_submit_one+0x2b4f/0x3c50 fs/aio.c:2023
 __do_sys_io_submit fs/aio.c:2082 [inline]
 __se_sys_io_submit+0x29d/0x790 fs/aio.c:2052
 __x64_sys_io_submit+0x96/0xe0 fs/aio.c:2052
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Uninit was created at:
 slab_post_alloc_hook+0x12d/0xb60 mm/slab.h:766
 slab_alloc_node mm/slub.c:3452 [inline]
 __kmem_cache_alloc_node+0x518/0x920 mm/slub.c:3491
 __do_kmalloc_node mm/slab_common.c:967 [inline]
 __kmalloc_node_track_caller+0x118/0x3c0 mm/slab_common.c:988
 kmalloc_reserve net/core/skbuff.c:492 [inline]
 __alloc_skb+0x3b8/0x900 net/core/skbuff.c:565
 __netdev_alloc_skb+0x12f/0x7e0 net/core/skbuff.c:630
 qrtr_endpoint_post+0xc1/0x11c0 net/qrtr/af_qrtr.c:446
 qrtr_tun_write_iter+0x274/0x400 net/qrtr/tun.c:108
 call_write_iter include/linux/fs.h:2189 [inline]
 aio_write+0x70f/0x9d0 fs/aio.c:1604
 io_submit_one+0x2b4f/0x3c50 fs/aio.c:2023
 __do_sys_io_submit fs/aio.c:2082 [inline]
 __se_sys_io_submit+0x29d/0x790 fs/aio.c:2052
 __x64_sys_io_submit+0x96/0xe0 fs/aio.c:2052
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

CPU: 0 PID: 6164 Comm: syz-executor.4 Not tainted 6.2.0-syzkaller-81157-g944070199c5e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
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