Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported |
---|---|---|---|---|---|---|
KASAN: use-after-free Read in p54u_load_firmware_cb wireless usb | syz | 40 | 1861d | 1944d |
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Title | Replies (including bot) | Last reply |
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KASAN: slab-out-of-bounds Read in p54u_load_firmware_cb | 5 (7) | 2019/08/13 13:27 |
Reminder: 11 open syzbot bugs in "net/wireless" subsystem | 1 (1) | 2019/07/24 01:47 |
Reminder: 67 open syzbot bugs in usb subsystem | 1 (1) | 2019/07/24 01:35 |
Reminder: 47 open syzbot bugs in usb subsystem | 1 (1) | 2019/07/09 19:01 |
Reminder: 12 open syzbot bugs in "net/wireless" subsystem | 1 (1) | 2019/06/25 05:51 |
Reminder: 42 open syzbot bugs in usb subsystem | 1 (1) | 2019/06/25 03:44 |
usb 3-1: Direct firmware load for isl3887usb failed with error -2 usb 3-1: Firmware not found. ================================================================== BUG: KASAN: slab-out-of-bounds in p54u_load_firmware_cb.cold+0x97/0x13d drivers/net/wireless/intersil/p54/p54usb.c:936 Read of size 8 at addr ffff8881c9cf7588 by task kworker/1:5/2759 CPU: 1 PID: 2759 Comm: kworker/1:5 Not tainted 5.2.0-rc5+ #11 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events request_firmware_work_func Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_address_description+0x67/0x231 mm/kasan/report.c:188 __kasan_report.cold+0x1a/0x32 mm/kasan/report.c:317 kasan_report+0xe/0x20 mm/kasan/common.c:614 p54u_load_firmware_cb.cold+0x97/0x13d drivers/net/wireless/intersil/p54/p54usb.c:936 request_firmware_work_func+0x126/0x242 drivers/base/firmware_loader/main.c:785 process_one_work+0x905/0x1570 kernel/workqueue.c:2269 worker_thread+0x96/0xe20 kernel/workqueue.c:2415 kthread+0x30b/0x410 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Allocated by task 1612: save_stack+0x1b/0x80 mm/kasan/common.c:71 set_track mm/kasan/common.c:79 [inline] __kasan_kmalloc mm/kasan/common.c:489 [inline] __kasan_kmalloc.constprop.0+0xbf/0xd0 mm/kasan/common.c:462 kmalloc include/linux/slab.h:547 [inline] syslog_print kernel/printk/printk.c:1346 [inline] do_syslog kernel/printk/printk.c:1519 [inline] do_syslog+0x4f4/0x12e0 kernel/printk/printk.c:1493 kmsg_read+0x8a/0xb0 fs/proc/kmsg.c:40 proc_reg_read+0x1c1/0x280 fs/proc/inode.c:221 __vfs_read+0x76/0x100 fs/read_write.c:425 vfs_read+0x18e/0x3d0 fs/read_write.c:461 ksys_read+0x127/0x250 fs/read_write.c:587 do_syscall_64+0xb7/0x560 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe Freed by task 1612: save_stack+0x1b/0x80 mm/kasan/common.c:71 set_track mm/kasan/common.c:79 [inline] __kasan_slab_free+0x130/0x180 mm/kasan/common.c:451 slab_free_hook mm/slub.c:1421 [inline] slab_free_freelist_hook mm/slub.c:1448 [inline] slab_free mm/slub.c:2994 [inline] kfree+0xd7/0x280 mm/slub.c:3949 syslog_print kernel/printk/printk.c:1405 [inline] do_syslog kernel/printk/printk.c:1519 [inline] do_syslog+0xff3/0x12e0 kernel/printk/printk.c:1493 kmsg_read+0x8a/0xb0 fs/proc/kmsg.c:40 proc_reg_read+0x1c1/0x280 fs/proc/inode.c:221 __vfs_read+0x76/0x100 fs/read_write.c:425 vfs_read+0x18e/0x3d0 fs/read_write.c:461 ksys_read+0x127/0x250 fs/read_write.c:587 do_syscall_64+0xb7/0x560 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe The buggy address belongs to the object at ffff8881c9cf7180 which belongs to the cache kmalloc-1k of size 1024 The buggy address is located 8 bytes to the right of 1024-byte region [ffff8881c9cf7180, ffff8881c9cf7580) The buggy address belongs to the page: page:ffffea0007273d00 refcount:1 mapcount:0 mapping:ffff8881dac02a00 index:0x0 compound_mapcount: 0 flags: 0x200000000010200(slab|head) raw: 0200000000010200 dead000000000100 dead000000000200 ffff8881dac02a00 raw: 0000000000000000 00000000000e000e 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8881c9cf7480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881c9cf7500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff8881c9cf7580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff8881c9cf7600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881c9cf7680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/06/20 02:19 | https://github.com/google/kasan.git usb-fuzzer | 9939f56ee6c0 | 34bf9440 | .config | console log | report | syz | ci2-upstream-usb | ||||
2019/07/21 04:24 | https://github.com/google/kasan.git usb-fuzzer | 6a3599ceaa39 | 1656845f | .config | console log | report | ci2-upstream-usb | |||||
2019/07/20 16:14 | https://github.com/google/kasan.git usb-fuzzer | 6a3599ceaa39 | 1656845f | .config | console log | report | ci2-upstream-usb | |||||
2019/07/17 12:31 | https://github.com/google/kasan.git usb-fuzzer | 6a3599ceaa39 | 0d10349c | .config | console log | report | ci2-upstream-usb | |||||
2019/07/11 03:01 | https://github.com/google/kasan.git usb-fuzzer | 7829a896a587 | ff7bf04c | .config | console log | report | ci2-upstream-usb | |||||
2019/07/09 07:20 | https://github.com/google/kasan.git usb-fuzzer | 7829a896a587 | f62e1e85 | .config | console log | report | ci2-upstream-usb | |||||
2019/05/31 00:59 | https://github.com/google/kasan.git usb-fuzzer | 69bbe8c72e6f | d9aaf3c2 | .config | console log | report | ci2-upstream-usb | |||||
2019/05/05 05:43 | https://github.com/google/kasan.git usb-fuzzer | 43151d6c3fce | d28f4ce5 | .config | console log | report | ci2-upstream-usb |