hackrf 5-1:0.108: Registered as swradio17 hackrf 5-1:0.108: SDR API is still slightly experimental and functionality changes may follow usb 5-1: USB disconnect, device number 7 usb 1-1: new full-speed USB device number 90 using dummy_hcd ================================================================== BUG: KASAN: use-after-free in ds_probe+0x604/0x760 drivers/w1/masters/ds2490.c:1019 Read of size 1 at addr ffff88809438de62 by task kworker/0:1/12 CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.1.0-rc5-319617-gd34f951 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xe8/0x16e lib/dump_stack.c:113 print_address_description+0x6c/0x236 mm/kasan/report.c:187 kasan_report.cold+0x1a/0x3c mm/kasan/report.c:317 ds_probe+0x604/0x760 drivers/w1/masters/ds2490.c:1019 usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361 really_probe+0x2da/0xb10 drivers/base/dd.c:509 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 device_add+0xad2/0x16e0 drivers/base/core.c:2106 usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021 generic_probe+0xa2/0xda drivers/usb/core/generic.c:210 usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266 really_probe+0x2da/0xb10 drivers/base/dd.c:509 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 device_add+0xad2/0x16e0 drivers/base/core.c:2106 usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534 hub_port_connect drivers/usb/core/hub.c:5089 [inline] hub_port_connect_change drivers/usb/core/hub.c:5204 [inline] port_event drivers/usb/core/hub.c:5350 [inline] hub_event+0x1398/0x3b00 drivers/usb/core/hub.c:5432 process_one_work+0x90f/0x1580 kernel/workqueue.c:2269 worker_thread+0x9b/0xe20 kernel/workqueue.c:2415 kthread+0x313/0x420 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Allocated by task 5193: set_track mm/kasan/common.c:87 [inline] __kasan_kmalloc mm/kasan/common.c:497 [inline] __kasan_kmalloc.constprop.0+0xbf/0xd0 mm/kasan/common.c:470 kmalloc_array include/linux/slab.h:670 [inline] kcalloc include/linux/slab.h:681 [inline] ext4_ext_remove_space+0xe1b/0x4810 fs/ext4/extents.c:2993 ext4_ext_truncate+0x1b8/0x200 fs/ext4/extents.c:4536 ext4_truncate+0xd39/0x12d0 fs/ext4/inode.c:4526 ext4_evict_inode+0x909/0x1690 fs/ext4/inode.c:289 evict+0x2f5/0x650 fs/inode.c:558 iput_final fs/inode.c:1547 [inline] iput+0x48f/0x800 fs/inode.c:1573 dentry_unlink_inode+0x2c8/0x3f0 fs/dcache.c:374 d_delete+0x2f6/0x380 fs/dcache.c:2378 vfs_rmdir fs/namei.c:3891 [inline] vfs_rmdir+0x38e/0x470 fs/namei.c:3857 do_rmdir+0x376/0x3f0 fs/namei.c:3939 do_syscall_64+0xcf/0x4f0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe Freed by task 5193: set_track mm/kasan/common.c:87 [inline] __kasan_slab_free+0x130/0x180 mm/kasan/common.c:459 slab_free_hook mm/slub.c:1429 [inline] slab_free_freelist_hook+0x5e/0x140 mm/slub.c:1456 slab_free mm/slub.c:3003 [inline] kfree+0xce/0x280 mm/slub.c:3958 ext4_ext_remove_space+0x828/0x4810 fs/ext4/extents.c:3122 ext4_ext_truncate+0x1b8/0x200 fs/ext4/extents.c:4536 ext4_truncate+0xd39/0x12d0 fs/ext4/inode.c:4526 ext4_evict_inode+0x909/0x1690 fs/ext4/inode.c:289 evict+0x2f5/0x650 fs/inode.c:558 iput_final fs/inode.c:1547 [inline] iput+0x48f/0x800 fs/inode.c:1573 dentry_unlink_inode+0x2c8/0x3f0 fs/dcache.c:374 d_delete+0x2f6/0x380 fs/dcache.c:2378 vfs_rmdir fs/namei.c:3891 [inline] vfs_rmdir+0x38e/0x470 fs/namei.c:3857 do_rmdir+0x376/0x3f0 fs/namei.c:3939 do_syscall_64+0xcf/0x4f0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe The buggy address belongs to the object at ffff88809438de40 which belongs to the cache kmalloc-64 of size 64 The buggy address is located 34 bytes inside of 64-byte region [ffff88809438de40, ffff88809438de80) The buggy address belongs to the page: page:ffffea000250e340 count:1 mapcount:0 mapping:ffff88812c3f5600 index:0x0 flags: 0xfff00000000200(slab) raw: 00fff00000000200 ffffea0002391f80 000000100000000c ffff88812c3f5600 raw: 0000000000000000 00000000002a002a 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff88809438dd00: fc fc fc fc fb fb fb fb fb fb fb fb fc fc fc fc ffff88809438dd80: 00 00 00 00 00 00 00 00 fc fc fc fc 00 00 00 00 >ffff88809438de00: 00 00 fc fc fc fc fc fc fb fb fb fb fb fb fb fb ^ ffff88809438de80: fc fc fc fc fb fb fb fb fb fb fb fb fc fc fc fc ffff88809438df00: fb fb fb fb fb fb fb fb fc fc fc fc 00 00 00 00 ==================================================================