Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported |
---|---|---|---|---|---|---|
KASAN: use-after-free Read in v4l2_release usb media | C | 275 | 1963d | 2067d |
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Title | Replies (including bot) | Last reply |
---|---|---|
KASAN: use-after-free Read in v4l2_ioctl | 2 (3) | 2019/08/13 14:06 |
Reminder: 28 open syzbot bugs in media subsystem | 1 (1) | 2019/06/27 03:53 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2019/06/29 23:49 | 39m | lnowakow@eng.ucsd.edu | patch | https://github.com/google/kasan.git usb-fuzzer | OK |
2019/06/29 23:36 | 5m | lnowakow@eng.ucsd.edu | patch | https://github.com/google/kasan.git usb-fuzzer | error |
usb 6-1: USB disconnect, device number 66 radio-raremono 6-1:0.210: Thanko's Raremono disconnected radio-raremono 1-1:0.210: V4L2 device registered as radio33 ================================================================== usb 1-1: USB disconnect, device number 67 BUG: KASAN: use-after-free in v4l2_ioctl+0x187/0x1a0 drivers/media/v4l2-core/v4l2-dev.c:362 Read of size 8 at addr ffff8880966123e0 by task v4l_id/6796 CPU: 1 PID: 6796 Comm: v4l_id Not tainted 5.1.0-rc4-319354-g9a33b36 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 radio-raremono 1-1:0.210: Thanko's Raremono disconnected 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 radio-raremono 5-1:0.210: raremono_cmd_main failed (-71) radio-raremono 5-1:0.210: V4L2 device registered as radio33 kasan_report.cold+0x1a/0x3c mm/kasan/report.c:317 v4l2_ioctl+0x187/0x1a0 drivers/media/v4l2-core/v4l2-dev.c:362 usb 5-1: USB disconnect, device number 67 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xced/0x12f0 fs/ioctl.c:696 radio-raremono 5-1:0.210: Thanko's Raremono disconnected ksys_ioctl+0xa0/0xc0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x74/0xb0 fs/ioctl.c:718 do_syscall_64+0xcf/0x4f0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fa09191e347 usb 3-1: Using ep0 maxpacket: 8 Code: 90 90 90 48 8b 05 f1 fa 2a 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 90 90 90 90 90 90 90 90 90 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 fa 2a 00 31 d2 48 29 c2 64 RSP: 002b:00007ffef9276ed8 EFLAGS: 00000206 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa09191e347 RDX: 00007ffef9276ee0 RSI: 0000000080685600 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000400884 R13: 00007ffef9277030 R14: 0000000000000000 R15: 0000000000000000 usb 4-1: Using ep0 maxpacket: 8 Allocated by task 21: 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 slab_post_alloc_hook mm/slab.h:437 [inline] slab_alloc_node mm/slub.c:2756 [inline] __kmalloc_node_track_caller+0xf3/0x320 mm/slub.c:4372 alloc_dr drivers/base/devres.c:103 [inline] devm_kmalloc+0x8c/0x190 drivers/base/devres.c:793 devm_kzalloc include/linux/device.h:679 [inline] usb_raremono_probe+0x34/0x235 drivers/media/radio/radio-raremono.c:298 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 usb 3-1: config 0 has an invalid interface number: 210 but max is 0 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 usb 3-1: config 0 has no interface number 0 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 usb 3-1: New USB device found, idVendor=10c4, idProduct=818a, bcdDevice=37.10 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+0x138e/0x3b00 drivers/usb/core/hub.c:5432 process_one_work+0x90f/0x1580 kernel/workqueue.c:2269 process_scheduled_works kernel/workqueue.c:2331 [inline] worker_thread+0x7b0/0xe20 kernel/workqueue.c:2417 usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 kthread+0x313/0x420 kernel/kthread.c:253 usb 4-1: config 0 has an invalid interface number: 210 but max is 0 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Freed by task 21: 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/0x290 mm/slub.c:3958 usb 4-1: config 0 has no interface number 0 release_nodes+0x4ac/0x920 drivers/base/devres.c:508 usb 4-1: New USB device found, idVendor=10c4, idProduct=818a, bcdDevice=37.10 devres_release_all+0x79/0xc8 drivers/base/devres.c:529 __device_release_driver drivers/base/dd.c:1086 [inline] device_release_driver_internal+0x23a/0x4f0 drivers/base/dd.c:1113 bus_remove_device+0x302/0x5c0 drivers/base/bus.c:556 device_del+0x467/0xb90 drivers/base/core.c:2269 usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb_disable_device+0x242/0x790 drivers/usb/core/message.c:1235 usb_disconnect+0x298/0x870 drivers/usb/core/hub.c:2197 hub_port_connect drivers/usb/core/hub.c:4940 [inline] hub_port_connect_change drivers/usb/core/hub.c:5204 [inline] port_event drivers/usb/core/hub.c:5350 [inline] hub_event+0xcd2/0x3b00 drivers/usb/core/hub.c:5432 process_one_work+0x90f/0x1580 kernel/workqueue.c:2269 process_scheduled_works kernel/workqueue.c:2331 [inline] worker_thread+0x7b0/0xe20 kernel/workqueue.c:2417 kthread+0x313/0x420 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 The buggy address belongs to the object at ffff888096612200 which belongs to the cache kmalloc-4k of size 4096 The buggy address is located 480 bytes inside of 4096-byte region [ffff888096612200, ffff888096613200) The buggy address belongs to the page: page:ffffea0002598400 count:1 mapcount:0 mapping:ffff88812c3f4600 index:0x0 compound_mapcount: 0 usb 3-1: config 0 descriptor?? flags: 0xfff00000010200(slab|head) raw: 00fff00000010200 dead000000000100 dead000000000200 ffff88812c3f4600 raw: 0000000000000000 0000000000070007 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff888096612280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888096612300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888096612380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888096612400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888096612480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== usb 4-1: config 0 descriptor??
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/04/15 15:41 | https://github.com/google/kasan.git usb-fuzzer | 9a33b36996cb | 505ab413 | .config | console log | report | syz | C | ci2-upstream-usb | |||
2019/04/13 07:32 | https://github.com/google/kasan.git usb-fuzzer | 9a33b36996cb | c402d8f1 | .config | console log | report | syz | C | ci2-upstream-usb | |||
2019/04/29 18:18 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | b617407b | .config | console log | report | syz | ci2-upstream-usb | ||||
2019/07/04 03:20 | https://github.com/google/kasan.git usb-fuzzer | 7829a896a587 | 55565fa0 | .config | console log | report | ci2-upstream-usb | |||||
2019/06/27 23:00 | https://github.com/google/kasan.git usb-fuzzer | 7829a896a587 | 7509bf36 | .config | console log | report | ci2-upstream-usb | |||||
2019/06/17 13:21 | https://github.com/google/kasan.git usb-fuzzer | 69bbe8c72e6f | 442206d7 | .config | console log | report | ci2-upstream-usb | |||||
2019/06/02 12:26 | https://github.com/google/kasan.git usb-fuzzer | 69bbe8c72e6f | 53c81ea5 | .config | console log | report | ci2-upstream-usb | |||||
2019/05/29 16:58 | https://github.com/google/kasan.git usb-fuzzer | 69bbe8c72e6f | f5a25d38 | .config | console log | report | ci2-upstream-usb | |||||
2019/05/25 00:17 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | 85c57315 | .config | console log | report | ci2-upstream-usb | |||||
2019/05/22 23:53 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | 84b9d384 | .config | console log | report | ci2-upstream-usb | |||||
2019/05/13 16:43 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | 16ab1e89 | .config | console log | report | ci2-upstream-usb | |||||
2019/05/13 05:23 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | 5f302c04 | .config | console log | report | ci2-upstream-usb | |||||
2019/05/13 03:31 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | 5f302c04 | .config | console log | report | ci2-upstream-usb | |||||
2019/05/13 02:57 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | 5f302c04 | .config | console log | report | ci2-upstream-usb | |||||
2019/05/13 02:51 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | 5f302c04 | .config | console log | report | ci2-upstream-usb | |||||
2019/05/12 23:43 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | 5f302c04 | .config | console log | report | ci2-upstream-usb | |||||
2019/05/12 19:15 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | 5f302c04 | .config | console log | report | ci2-upstream-usb | |||||
2019/05/12 12:18 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | c017728b | .config | console log | report | ci2-upstream-usb | |||||
2019/05/12 12:02 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | c017728b | .config | console log | report | ci2-upstream-usb | |||||
2019/05/12 09:21 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | c017728b | .config | console log | report | ci2-upstream-usb | |||||
2019/05/11 08:32 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | 46caad94 | .config | console log | report | ci2-upstream-usb | |||||
2019/05/11 08:06 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | 46caad94 | .config | console log | report | ci2-upstream-usb | |||||
2019/05/10 23:34 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | 46caad94 | .config | console log | report | ci2-upstream-usb | |||||
2019/05/10 10:05 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | 018207ef | .config | console log | report | ci2-upstream-usb | |||||
2019/05/07 21:47 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | a7383bfa | .config | console log | report | ci2-upstream-usb | |||||
2019/05/06 16:54 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | 148296f4 | .config | console log | report | ci2-upstream-usb | |||||
2019/05/04 20:35 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | d28f4ce5 | .config | console log | report | ci2-upstream-usb | |||||
2019/05/04 12:26 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | d28f4ce5 | .config | console log | report | ci2-upstream-usb | |||||
2019/05/04 11:58 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | d28f4ce5 | .config | console log | report | ci2-upstream-usb | |||||
2019/05/03 13:44 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | 1bfa09b9 | .config | console log | report | ci2-upstream-usb | |||||
2019/04/24 01:51 | https://github.com/google/kasan.git usb-fuzzer | d34f9519daaa | 2398edea | .config | console log | report | ci2-upstream-usb | |||||
2019/04/21 23:59 | https://github.com/google/kasan.git usb-fuzzer | d34f9519daaa | b0e8efcb | .config | console log | report | ci2-upstream-usb | |||||
2019/04/20 11:03 | https://github.com/google/kasan.git usb-fuzzer | d34f9519daaa | b0e8efcb | .config | console log | report | ci2-upstream-usb |