Hello, syzbot found the following issue on: HEAD commit: c9c3395d5e3d Linux 6.2 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16d3dd78c80000 kernel config: https://syzkaller.appspot.com/x/.config?x=eeb87d4dfcdb4cc0 dashboard link: https://syzkaller.appspot.com/bug?extid=b68fbebe56d8362907e8 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16523630c80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13a3de27480000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/54c384e0e6b1/disk-c9c3395d.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/c963b4b4fee5/vmlinux-c9c3395d.xz kernel image: https://storage.googleapis.com/syzbot-assets/fc3ecf1163b5/bzImage-c9c3395d.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+b68fbebe56d8362907e8@xxxxxxxxxxxxxxxxxxxxxxxxx BUG: memory leak unreferenced object 0xffff88810a980800 (size 240): comm "kworker/1:1", pid 24, jiffies 4294947427 (age 16.220s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff83b971c6>] __alloc_skb+0x206/0x270 net/core/skbuff.c:552 [<ffffffff82eb3731>] alloc_skb include/linux/skbuff.h:1270 [inline] [<ffffffff82eb3731>] htc_connect_service+0x121/0x230 drivers/net/wireless/ath/ath9k/htc_hst.c:259 [<ffffffff82ec03a5>] ath9k_htc_connect_svc drivers/net/wireless/ath/ath9k/htc_drv_init.c:137 [inline] [<ffffffff82ec03a5>] ath9k_init_htc_services.constprop.0+0xe5/0x390 drivers/net/wireless/ath/ath9k/htc_drv_init.c:157 [<ffffffff82ec0747>] ath9k_htc_probe_device+0xf7/0x8a0 drivers/net/wireless/ath/ath9k/htc_drv_init.c:959 [<ffffffff82eb3ef5>] ath9k_htc_hw_init+0x35/0x60 drivers/net/wireless/ath/ath9k/htc_hst.c:521 [<ffffffff82eb68dd>] ath9k_hif_usb_firmware_cb+0xcd/0x1f0 drivers/net/wireless/ath/ath9k/hif_usb.c:1243 [<ffffffff82aa835b>] request_firmware_work_func+0x4b/0x90 drivers/base/firmware_loader/main.c:1107 [<ffffffff8129a35a>] process_one_work+0x2ba/0x5f0 kernel/workqueue.c:2289 [<ffffffff8129ac7d>] worker_thread+0x5d/0x5b0 kernel/workqueue.c:2436 [<ffffffff812a4fa9>] kthread+0x129/0x170 kernel/kthread.c:376 [<ffffffff81002dcf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 BUG: memory leak unreferenced object 0xffff888100b81a00 (size 512): comm "kworker/1:1", pid 24, jiffies 4294947427 (age 16.220s) hex dump (first 32 bytes): 00 00 00 0a 00 00 00 00 00 02 01 02 00 00 02 01 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff81514fab>] __do_kmalloc_node mm/slab_common.c:967 [inline] [<ffffffff81514fab>] __kmalloc_node_track_caller+0x4b/0x120 mm/slab_common.c:988 [<ffffffff83b970a5>] kmalloc_reserve net/core/skbuff.c:492 [inline] [<ffffffff83b970a5>] __alloc_skb+0xe5/0x270 net/core/skbuff.c:565 [<ffffffff82eb3731>] alloc_skb include/linux/skbuff.h:1270 [inline] [<ffffffff82eb3731>] htc_connect_service+0x121/0x230 drivers/net/wireless/ath/ath9k/htc_hst.c:259 [<ffffffff82ec03a5>] ath9k_htc_connect_svc drivers/net/wireless/ath/ath9k/htc_drv_init.c:137 [inline] [<ffffffff82ec03a5>] ath9k_init_htc_services.constprop.0+0xe5/0x390 drivers/net/wireless/ath/ath9k/htc_drv_init.c:157 [<ffffffff82ec0747>] ath9k_htc_probe_device+0xf7/0x8a0 drivers/net/wireless/ath/ath9k/htc_drv_init.c:959 [<ffffffff82eb3ef5>] ath9k_htc_hw_init+0x35/0x60 drivers/net/wireless/ath/ath9k/htc_hst.c:521 [<ffffffff82eb68dd>] ath9k_hif_usb_firmware_cb+0xcd/0x1f0 drivers/net/wireless/ath/ath9k/hif_usb.c:1243 [<ffffffff82aa835b>] request_firmware_work_func+0x4b/0x90 drivers/base/firmware_loader/main.c:1107 [<ffffffff8129a35a>] process_one_work+0x2ba/0x5f0 kernel/workqueue.c:2289 [<ffffffff8129ac7d>] worker_thread+0x5d/0x5b0 kernel/workqueue.c:2436 [<ffffffff812a4fa9>] kthread+0x129/0x170 kernel/kthread.c:376 [<ffffffff81002dcf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 BUG: memory leak unreferenced object 0xffff88810a88d100 (size 240): comm "kworker/0:2", pid 2491, jiffies 4294948230 (age 8.190s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff83b971c6>] __alloc_skb+0x206/0x270 net/core/skbuff.c:552 [<ffffffff82eb3731>] alloc_skb include/linux/skbuff.h:1270 [inline] [<ffffffff82eb3731>] htc_connect_service+0x121/0x230 drivers/net/wireless/ath/ath9k/htc_hst.c:259 [<ffffffff82ec03a5>] ath9k_htc_connect_svc drivers/net/wireless/ath/ath9k/htc_drv_init.c:137 [inline] [<ffffffff82ec03a5>] ath9k_init_htc_services.constprop.0+0xe5/0x390 drivers/net/wireless/ath/ath9k/htc_drv_init.c:157 [<ffffffff82ec0747>] ath9k_htc_probe_device+0xf7/0x8a0 drivers/net/wireless/ath/ath9k/htc_drv_init.c:959 [<ffffffff82eb3ef5>] ath9k_htc_hw_init+0x35/0x60 drivers/net/wireless/ath/ath9k/htc_hst.c:521 [<ffffffff82eb68dd>] ath9k_hif_usb_firmware_cb+0xcd/0x1f0 drivers/net/wireless/ath/ath9k/hif_usb.c:1243 [<ffffffff82aa835b>] request_firmware_work_func+0x4b/0x90 drivers/base/firmware_loader/main.c:1107 [<ffffffff8129a35a>] process_one_work+0x2ba/0x5f0 kernel/workqueue.c:2289 [<ffffffff8129ac7d>] worker_thread+0x5d/0x5b0 kernel/workqueue.c:2436 [<ffffffff812a4fa9>] kthread+0x129/0x170 kernel/kthread.c:376 [<ffffffff81002dcf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 BUG: memory leak unreferenced object 0xffff88810646b200 (size 512): comm "kworker/0:2", pid 2491, jiffies 4294948230 (age 8.190s) hex dump (first 32 bytes): 00 00 00 0a 00 00 00 00 00 02 01 02 00 00 02 01 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff81514fab>] __do_kmalloc_node mm/slab_common.c:967 [inline] [<ffffffff81514fab>] __kmalloc_node_track_caller+0x4b/0x120 mm/slab_common.c:988 [<ffffffff83b970a5>] kmalloc_reserve net/core/skbuff.c:492 [inline] [<ffffffff83b970a5>] __alloc_skb+0xe5/0x270 net/core/skbuff.c:565 [<ffffffff82eb3731>] alloc_skb include/linux/skbuff.h:1270 [inline] [<ffffffff82eb3731>] htc_connect_service+0x121/0x230 drivers/net/wireless/ath/ath9k/htc_hst.c:259 [<ffffffff82ec03a5>] ath9k_htc_connect_svc drivers/net/wireless/ath/ath9k/htc_drv_init.c:137 [inline] [<ffffffff82ec03a5>] ath9k_init_htc_services.constprop.0+0xe5/0x390 drivers/net/wireless/ath/ath9k/htc_drv_init.c:157 [<ffffffff82ec0747>] ath9k_htc_probe_device+0xf7/0x8a0 drivers/net/wireless/ath/ath9k/htc_drv_init.c:959 [<ffffffff82eb3ef5>] ath9k_htc_hw_init+0x35/0x60 drivers/net/wireless/ath/ath9k/htc_hst.c:521 [<ffffffff82eb68dd>] ath9k_hif_usb_firmware_cb+0xcd/0x1f0 drivers/net/wireless/ath/ath9k/hif_usb.c:1243 [<ffffffff82aa835b>] request_firmware_work_func+0x4b/0x90 drivers/base/firmware_loader/main.c:1107 [<ffffffff8129a35a>] process_one_work+0x2ba/0x5f0 kernel/workqueue.c:2289 [<ffffffff8129ac7d>] worker_thread+0x5d/0x5b0 kernel/workqueue.c:2436 [<ffffffff812a4fa9>] kthread+0x129/0x170 kernel/kthread.c:376 [<ffffffff81002dcf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 --- This report is generated by a bot. 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