ci2 starts bisection 2024-02-20 04:38:28.26628114 +0000 UTC m=+58584.092647771 bisecting fixing commit since ea2937bdd12f6ebc51e6698c5696a1b16507999b building syzkaller on 551587c192ecb4df26fcdab775ed145ee69c07d4 ensuring issue is reproducible on original commit ea2937bdd12f6ebc51e6698c5696a1b16507999b testing commit ea2937bdd12f6ebc51e6698c5696a1b16507999b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fec897a4ac59341334e022e3691c13b0a215d3f03acd7abb2a2287aac631e2ad run #0: crashed: KASAN: use-after-free Read in worker_thread run #1: crashed: KASAN: use-after-free Read in process_one_work run #2: crashed: KASAN: use-after-free Read in worker_thread run #3: crashed: KASAN: use-after-free Read in worker_thread run #4: crashed: KASAN: use-after-free Read in worker_thread run #5: crashed: KASAN: use-after-free Read in process_one_work run #6: crashed: KASAN: use-after-free Read in worker_thread run #7: crashed: KASAN: use-after-free Read in worker_thread run #8: crashed: KASAN: use-after-free Read in worker_thread run #9: crashed: KASAN: use-after-free Read in worker_thread run #10: crashed: KASAN: use-after-free Read in worker_thread run #11: crashed: KASAN: use-after-free Read in worker_thread run #12: crashed: KASAN: use-after-free Read in worker_thread run #13: crashed: KASAN: use-after-free Read in process_one_work run #14: crashed: KASAN: use-after-free Read in worker_thread run #15: crashed: KASAN: use-after-free Read in worker_thread run #16: crashed: KASAN: use-after-free Read in worker_thread run #17: crashed: KASAN: use-after-free Read in worker_thread run #18: crashed: KASAN: use-after-free Read in process_one_work run #19: crashed: KASAN: use-after-free Read in worker_thread representative crash: KASAN: use-after-free Read in worker_thread, types: [KASAN] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed testing commit ea2937bdd12f6ebc51e6698c5696a1b16507999b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4c7cbd05c2002e03ce8e0399fa6466ed42302a20684d600378c5f17b999c7748 run #0: crashed: KASAN: use-after-free Read in worker_thread run #1: crashed: KASAN: use-after-free Read in process_one_work run #2: crashed: KASAN: use-after-free Read in process_one_work run #3: crashed: KASAN: use-after-free Read in worker_thread run #4: crashed: KASAN: use-after-free Read in worker_thread run #5: crashed: KASAN: use-after-free Read in process_one_work run #6: crashed: KASAN: use-after-free Read in worker_thread run #7: crashed: KASAN: use-after-free Read in process_one_work run #8: crashed: KASAN: use-after-free Read in worker_thread run #9: crashed: KASAN: use-after-free Read in worker_thread representative crash: KASAN: use-after-free Read in worker_thread, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed kconfig minimization: base=4920 full=6161 leaves diff=241 split chunks (needed=false): <241> split chunk #0 of len 241 into 5 parts testing without sub-chunk 1/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed testing commit ea2937bdd12f6ebc51e6698c5696a1b16507999b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c20f311ce81086f8c4b402e82a13deccfc8ae3b1d2bab03e2a03303f3a24c4c8 run #0: crashed: KASAN: use-after-free Read in process_one_work run #1: crashed: KASAN: use-after-free Read in process_one_work run #2: crashed: KASAN: use-after-free Read in worker_thread run #3: crashed: KASAN: use-after-free Read in process_one_work run #4: crashed: KASAN: use-after-free Read in process_one_work run #5: crashed: KASAN: use-after-free Read in worker_thread run #6: crashed: KASAN: use-after-free Read in worker_thread run #7: crashed: KASAN: use-after-free Read in worker_thread run #8: crashed: KASAN: use-after-free Read in process_one_work run #9: crashed: KASAN: use-after-free Read in process_one_work representative crash: KASAN: use-after-free Read in process_one_work, types: [KASAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed testing commit ea2937bdd12f6ebc51e6698c5696a1b16507999b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c70f7b3d6d2eedb4be23dcb30badd10b0d421f8fe12a2c788b3020deba24e481 run #0: crashed: KASAN: use-after-free Read in worker_thread run #1: crashed: KASAN: use-after-free Read in worker_thread run #2: crashed: KASAN: use-after-free Read in worker_thread run #3: crashed: KASAN: use-after-free Read in worker_thread run #4: crashed: KASAN: use-after-free Read in worker_thread run #5: crashed: KASAN: use-after-free Read in worker_thread run #6: crashed: KASAN: use-after-free Read in worker_thread run #7: crashed: KASAN: use-after-free Read in worker_thread run #8: crashed: KASAN: use-after-free Read in worker_thread run #9: crashed: KASAN: use-after-free Read in process_one_work representative crash: KASAN: use-after-free Read in worker_thread, types: [KASAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit ea2937bdd12f6ebc51e6698c5696a1b16507999b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cb8e0e2c6b44ae6f8065c1db0d9bb873113be0d4b3e9fbed352a2e18d5c48b0a run #0: crashed: KASAN: use-after-free Read in worker_thread run #1: crashed: KASAN: use-after-free Read in process_one_work run #2: crashed: KASAN: use-after-free Read in process_one_work run #3: crashed: KASAN: use-after-free Read in process_one_work run #4: crashed: KASAN: use-after-free Read in worker_thread run #5: crashed: KASAN: use-after-free Read in worker_thread run #6: crashed: KASAN: use-after-free Read in process_one_work run #7: crashed: KASAN: use-after-free Read in worker_thread run #8: crashed: KASAN: use-after-free Read in process_one_work run #9: crashed: KASAN: use-after-free Read in worker_thread representative crash: KASAN: use-after-free Read in worker_thread, types: [KASAN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit ea2937bdd12f6ebc51e6698c5696a1b16507999b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f6149f6fc5cb85255e4c050d1c8be2ffc478584c75ac05e59dce79d65907ab7c run #0: crashed: KASAN: use-after-free Read in process_one_work run #1: crashed: KASAN: use-after-free Read in worker_thread run #2: crashed: KASAN: use-after-free Read in worker_thread run #3: crashed: KASAN: use-after-free Read in worker_thread run #4: crashed: KASAN: use-after-free Read in worker_thread run #5: crashed: KASAN: use-after-free Read in process_one_work run #6: crashed: KASAN: use-after-free Read in worker_thread run #7: crashed: KASAN: use-after-free Read in process_one_work run #8: crashed: KASAN: use-after-free Read in process_one_work run #9: crashed: KASAN: use-after-free Read in worker_thread representative crash: KASAN: use-after-free Read in process_one_work, types: [KASAN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit ea2937bdd12f6ebc51e6698c5696a1b16507999b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 failed building ea2937bdd12f6ebc51e6698c5696a1b16507999b: net/socket.c:1189: undefined reference to `wext_handle_ioctl' net/socket.c:3383: undefined reference to `compat_wext_handle_ioctl' net/core/net-procfs.c:343: undefined reference to `wext_proc_exit' net/core/net-procfs.c:327: undefined reference to `wext_proc_init' minimized to 45 configs; suspects: [HID_ZEROPLUS USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_RNDIS_HOST USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD USB_OHCI_HCD_PCI USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_PRINTER USB_SERIAL USB_SERIAL_FTDI_SIO USB_SERIAL_GENERIC USB_SERIAL_PL2303 USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_TRANCEVIBRATOR USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_WDM WLAN WLAN_VENDOR_ATH WLAN_VENDOR_ATMEL WLAN_VENDOR_BROADCOM WLAN_VENDOR_INTERSIL WLAN_VENDOR_MARVELL WLAN_VENDOR_MEDIATEK WLAN_VENDOR_MICROCHIP WLAN_VENDOR_RALINK WLAN_VENDOR_REALTEK WLAN_VENDOR_RSI WLAN_VENDOR_ZYDAS X86_X32 ZEROPLUS_FF] disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing current HEAD 993bed180178156a70afdafe8aaf23a117107352 testing commit 993bed180178156a70afdafe8aaf23a117107352 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 87cfb3ac795b00905c80a51c58daf09d5f19496133190abedf73612bd4ceea21 run #0: crashed: KASAN: use-after-free Read in process_one_work run #1: crashed: KASAN: use-after-free Read in worker_thread run #2: crashed: KASAN: use-after-free Read in worker_thread run #3: crashed: KASAN: use-after-free Read in worker_thread run #4: crashed: KASAN: use-after-free Read in worker_thread run #5: crashed: KASAN: use-after-free Read in worker_thread run #6: crashed: KASAN: use-after-free Read in process_one_work run #7: crashed: KASAN: use-after-free Read in process_one_work run #8: crashed: KASAN: use-after-free Read in worker_thread run #9: OK representative crash: KASAN: use-after-free Read in process_one_work, types: [KASAN] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 1h46m23.030691079s (build: 37m24.418629613s, test: 1h7m0.692709682s) crash still not fixed or there were kernel test errors commit msg: Merge "Merge branch 'android13-5.15' into branch 'android13-5.15-lts'" into android13-5.15-lts crash: KASAN: use-after-free Read in process_one_work ================================================================== BUG: KASAN: use-after-free in __list_del_entry_valid+0xf0/0x110 lib/list_debug.c:62 Read of size 8 at addr ffff8881164fcc70 by task kworker/0:0/6 CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted 5.15.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Workqueue: wg-crypt-wg1 wg_packet_decrypt_worker Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x38/0x49 lib/dump_stack.c:106 print_address_description.constprop.0+0x24/0x160 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:427 [inline] kasan_report.cold+0x82/0xdb mm/kasan/report.c:444 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:309 __list_del_entry_valid+0xf0/0x110 lib/list_debug.c:62 __list_del_entry include/linux/list.h:132 [inline] list_del_init include/linux/list.h:204 [inline] process_one_work+0x3ba/0xec0 kernel/workqueue.c:2269 worker_thread+0x48e/0xdb0 kernel/workqueue.c:2472 kthread+0x324/0x3e0 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Allocated by task 56: kasan_save_stack+0x26/0x50 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] ____kasan_kmalloc mm/kasan/common.c:512 [inline] ____kasan_kmalloc mm/kasan/common.c:471 [inline] __kasan_kmalloc+0xae/0xe0 mm/kasan/common.c:521 kasan_kmalloc include/linux/kasan.h:227 [inline] __kmalloc+0x2d5/0x4e0 mm/slub.c:4427 __kmalloc_node include/linux/slab.h:469 [inline] kmalloc_node include/linux/slab.h:626 [inline] kvmalloc_node+0xee/0x240 mm/util.c:628 kvmalloc include/linux/mm.h:851 [inline] kvzalloc include/linux/mm.h:859 [inline] alloc_netdev_mqs+0x5e/0xd70 net/core/dev.c:10855 alloc_etherdev_mqs+0x1f/0x30 net/ethernet/eth.c:393 usbnet_probe+0x199/0x24d0 drivers/net/usb/usbnet.c:1694 usb_probe_interface+0x257/0x640 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:516 [inline] really_probe.part.0+0x5c6/0x7b0 drivers/base/dd.c:595 really_probe drivers/base/dd.c:557 [inline] __driver_probe_device+0x1b4/0x320 drivers/base/dd.c:755 driver_probe_device+0x49/0x120 drivers/base/dd.c:785 __device_attach_driver+0x156/0x220 drivers/base/dd.c:907 bus_for_each_drv+0x127/0x1c0 drivers/base/bus.c:427 __device_attach+0x28e/0x490 drivers/base/dd.c:979 device_initial_probe+0xe/0x10 drivers/base/dd.c:1028 bus_probe_device+0x19e/0x240 drivers/base/bus.c:487 device_add+0x9bc/0x1c90 drivers/base/core.c:3404 usb_set_configuration+0x9c9/0x14f0 drivers/usb/core/message.c:2165 usb_generic_driver_probe+0x7d/0xb0 drivers/usb/core/generic.c:238 usb_probe_device+0x9c/0x220 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:516 [inline] really_probe.part.0+0x5c6/0x7b0 drivers/base/dd.c:595 really_probe drivers/base/dd.c:557 [inline] __driver_probe_device+0x1b4/0x320 drivers/base/dd.c:755 driver_probe_device+0x49/0x120 drivers/base/dd.c:785 __device_attach_driver+0x156/0x220 drivers/base/dd.c:907 bus_for_each_drv+0x127/0x1c0 drivers/base/bus.c:427 __device_attach+0x28e/0x490 drivers/base/dd.c:979 device_initial_probe+0xe/0x10 drivers/base/dd.c:1028 bus_probe_device+0x19e/0x240 drivers/base/bus.c:487 device_add+0x9bc/0x1c90 drivers/base/core.c:3404 usb_new_device.cold+0x5f7/0xe5b drivers/usb/core/hub.c:2582 hub_port_connect drivers/usb/core/hub.c:5495 [inline] hub_port_connect_change drivers/usb/core/hub.c:5635 [inline] port_event drivers/usb/core/hub.c:5785 [inline] hub_event+0x20e0/0x36b0 drivers/usb/core/hub.c:5867 process_one_work+0x62c/0xec0 kernel/workqueue.c:2325 process_scheduled_works kernel/workqueue.c:2388 [inline] worker_thread+0x5f7/0xdb0 kernel/workqueue.c:2474 kthread+0x324/0x3e0 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Freed by task 56: kasan_save_stack+0x26/0x50 mm/kasan/common.c:38 kasan_set_track+0x25/0x30 mm/kasan/common.c:45 kasan_set_free_info+0x24/0x40 mm/kasan/generic.c:370 ____kasan_slab_free mm/kasan/common.c:365 [inline] ____kasan_slab_free mm/kasan/common.c:327 [inline] __kasan_slab_free+0x111/0x150 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0x94/0x1a0 mm/slub.c:1749 slab_free mm/slub.c:3519 [inline] kfree+0xc2/0x260 mm/slub.c:4579 kvfree+0x25/0x30 mm/util.c:664 netdev_freemem+0x47/0x60 net/core/dev.c:10809 netdev_release+0x68/0x80 net/core/net-sysfs.c:1903 device_release+0x9d/0x1a0 drivers/base/core.c:2240 kobject_cleanup+0xb5/0x180 lib/kobject.c:713 kobject_release lib/kobject.c:744 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x45/0x60 lib/kobject.c:761 put_device+0xe/0x20 drivers/base/core.c:3512 free_netdev+0x30b/0x490 net/core/dev.c:10995 usbnet_disconnect+0x244/0x2d0 drivers/net/usb/usbnet.c:1633 ax88179_disconnect+0x87/0xb0 drivers/net/usb/ax88179_178a.c:534 usb_unbind_interface+0x185/0x7b0 drivers/usb/core/driver.c:458 __device_release_driver+0x5ae/0x700 drivers/base/dd.c:1229 device_release_driver_internal drivers/base/dd.c:1262 [inline] device_release_driver+0x24/0x40 drivers/base/dd.c:1285 bus_remove_device+0x2a9/0x470 drivers/base/bus.c:529 device_del+0x507/0xbd0 drivers/base/core.c:3592 usb_disable_device+0x26d/0x500 drivers/usb/core/message.c:1414 usb_disconnect.cold+0x1e7/0x651 drivers/usb/core/hub.c:2240 hub_port_connect drivers/usb/core/hub.c:5334 [inline] hub_port_connect_change drivers/usb/core/hub.c:5635 [inline] port_event drivers/usb/core/hub.c:5785 [inline] hub_event+0x13a6/0x36b0 drivers/usb/core/hub.c:5867 process_one_work+0x62c/0xec0 kernel/workqueue.c:2325 process_scheduled_works kernel/workqueue.c:2388 [inline] worker_thread+0x5f7/0xdb0 kernel/workqueue.c:2474 kthread+0x324/0x3e0 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Last potentially related work creation: kasan_save_stack+0x26/0x50 mm/kasan/common.c:38 __kasan_record_aux_stack+0xd8/0xf0 mm/kasan/generic.c:348 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358 insert_work+0x48/0x320 kernel/workqueue.c:1373 __queue_work+0x42b/0xba0 kernel/workqueue.c:1539 queue_work_on+0x4c/0x60 kernel/workqueue.c:1566 queue_work include/linux/workqueue.h:510 [inline] schedule_work include/linux/workqueue.h:571 [inline] usbnet_defer_kevent drivers/net/usb/usbnet.c:471 [inline] usbnet_link_change+0xb1/0x130 drivers/net/usb/usbnet.c:1996 ax88179_reset+0x765/0x9e0 drivers/net/usb/ax88179_178a.c:1694 ax88179_bind+0x36a/0x430 drivers/net/usb/ax88179_178a.c:1342 usbnet_probe+0xbbc/0x24d0 drivers/net/usb/usbnet.c:1746 usb_probe_interface+0x257/0x640 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:516 [inline] really_probe.part.0+0x5c6/0x7b0 drivers/base/dd.c:595 really_probe drivers/base/dd.c:557 [inline] __driver_probe_device+0x1b4/0x320 drivers/base/dd.c:755 driver_probe_device+0x49/0x120 drivers/base/dd.c:785 __device_attach_driver+0x156/0x220 drivers/base/dd.c:907 bus_for_each_drv+0x127/0x1c0 drivers/base/bus.c:427 __device_attach+0x28e/0x490 drivers/base/dd.c:979 device_initial_probe+0xe/0x10 drivers/base/dd.c:1028 bus_probe_device+0x19e/0x240 drivers/base/bus.c:487 device_add+0x9bc/0x1c90 drivers/base/core.c:3404 usb_set_configuration+0x9c9/0x14f0 drivers/usb/core/message.c:2165 usb_generic_driver_probe+0x7d/0xb0 drivers/usb/core/generic.c:238 usb_probe_device+0x9c/0x220 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:516 [inline] really_probe.part.0+0x5c6/0x7b0 drivers/base/dd.c:595 really_probe drivers/base/dd.c:557 [inline] __driver_probe_device+0x1b4/0x320 drivers/base/dd.c:755 driver_probe_device+0x49/0x120 drivers/base/dd.c:785 __device_attach_driver+0x156/0x220 drivers/base/dd.c:907 bus_for_each_drv+0x127/0x1c0 drivers/base/bus.c:427 __device_attach+0x28e/0x490 drivers/base/dd.c:979 device_initial_probe+0xe/0x10 drivers/base/dd.c:1028 bus_probe_device+0x19e/0x240 drivers/base/bus.c:487 device_add+0x9bc/0x1c90 drivers/base/core.c:3404 usb_new_device.cold+0x5f7/0xe5b drivers/usb/core/hub.c:2582 hub_port_connect drivers/usb/core/hub.c:5495 [inline] hub_port_connect_change drivers/usb/core/hub.c:5635 [inline] port_event drivers/usb/core/hub.c:5785 [inline] hub_event+0x20e0/0x36b0 drivers/usb/core/hub.c:5867 process_one_work+0x62c/0xec0 kernel/workqueue.c:2325 process_scheduled_works kernel/workqueue.c:2388 [inline] worker_thread+0x5f7/0xdb0 kernel/workqueue.c:2474 kthread+0x324/0x3e0 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 The buggy address belongs to the object at ffff8881164fc000 which belongs to the cache kmalloc-4k of size 4096 The buggy address is located 3184 bytes inside of 4096-byte region [ffff8881164fc000, ffff8881164fd000) The buggy address belongs to the page: page:ffffea0004593e00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1164f8 head:ffffea0004593e00 order:3 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head|zone=1) raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100043380 raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d60c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_RETRY_MAYFAIL|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 56, ts 56012608629, free_ts 55743950525 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook mm/page_alloc.c:2604 [inline] prep_new_page+0x1a2/0x310 mm/page_alloc.c:2610 get_page_from_freelist+0x1ce2/0x30a0 mm/page_alloc.c:4484 __alloc_pages+0x2d1/0x2620 mm/page_alloc.c:5776 __alloc_pages_node include/linux/gfp.h:591 [inline] alloc_pages_node include/linux/gfp.h:605 [inline] alloc_pages include/linux/gfp.h:618 [inline] alloc_slab_page mm/slub.c:1793 [inline] allocate_slab+0x39d/0x530 mm/slub.c:1932 new_slab mm/slub.c:1995 [inline] ___slab_alloc.constprop.0+0x3ca/0x890 mm/slub.c:3028 __slab_alloc.constprop.0+0x42/0x80 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3248 [inline] __kmalloc+0x49f/0x4e0 mm/slub.c:4423 __kmalloc_node include/linux/slab.h:469 [inline] kmalloc_node include/linux/slab.h:626 [inline] kvmalloc_node+0xee/0x240 mm/util.c:628 kvmalloc include/linux/mm.h:851 [inline] kvzalloc include/linux/mm.h:859 [inline] alloc_netdev_mqs+0x5e/0xd70 net/core/dev.c:10855 alloc_etherdev_mqs+0x1f/0x30 net/ethernet/eth.c:393 usbnet_probe+0x199/0x24d0 drivers/net/usb/usbnet.c:1694 usb_probe_interface+0x257/0x640 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:516 [inline] really_probe.part.0+0x5c6/0x7b0 drivers/base/dd.c:595 really_probe drivers/base/dd.c:557 [inline] __driver_probe_device+0x1b4/0x320 drivers/base/dd.c:755 driver_probe_device+0x49/0x120 drivers/base/dd.c:785 __device_attach_driver+0x156/0x220 drivers/base/dd.c:907 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1471 [inline] free_pcp_prepare+0x1b6/0x4c0 mm/page_alloc.c:1543 free_unref_page_prepare mm/page_alloc.c:3533 [inline] free_unref_page+0x84/0x760 mm/page_alloc.c:3615 free_the_page mm/page_alloc.c:804 [inline] __free_pages+0xd7/0xf0 mm/page_alloc.c:5852 __free_slab+0xdb/0x1c0 mm/slub.c:2020 free_slab mm/slub.c:2035 [inline] discard_slab+0x2b/0x40 mm/slub.c:2041 __unfreeze_partials+0x1e2/0x230 mm/slub.c:2527 put_cpu_partial+0x96/0xb0 mm/slub.c:2607 __slab_free+0x21e/0x4d0 mm/slub.c:3388 do_slab_free mm/slub.c:3507 [inline] ___cache_free+0x1ee/0x230 mm/slub.c:3526 qlink_free mm/kasan/quarantine.c:157 [inline] qlist_free_all+0x6e/0x150 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x15f/0x1c0 mm/kasan/quarantine.c:283 __kasan_slab_alloc+0xaa/0xc0 mm/kasan/common.c:443 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook mm/slab.h:550 [inline] slab_alloc_node mm/slub.c:3240 [inline] slab_alloc mm/slub.c:3248 [inline] kmem_cache_alloc+0x197/0x480 mm/slub.c:3253 kmem_cache_alloc_node include/linux/slab.h:474 [inline] __alloc_skb+0x14b/0x250 net/core/skbuff.c:416 alloc_skb include/linux/skbuff.h:1183 [inline] alloc_skb_with_frags+0x76/0x4a0 net/core/skbuff.c:6156 sock_alloc_send_pskb+0x68b/0x840 net/core/sock.c:2525 Memory state around the buggy address: ffff8881164fcb00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881164fcb80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff8881164fcc00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8881164fcc80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881164fcd00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================