syzbot


KASAN: user-memory-access Write in n_tty_set_termios
Status: fixed on 2019/01/15 20:25
Reported-by: syzbot+3aa9784721dfb90e984d@syzkaller.appspotmail.com
Fix commit: 83d817f41070 tty: Hold tty_ldisc_lock() during tty_reopen()
First crash: 1272d, last: 1001d
duplicates (3):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
general protection fault in n_tty_set_termios C 13 1023d 1242d 0/22 closed as dup on 2018/05/01 10:15
general protection fault in n_tty_flush_buffer C 11 1040d 1226d 0/22 closed as dup on 2018/05/17 10:46
general protection fault in n_tty_receive_buf_common 48 1045d 1428d 0/22 closed as dup on 2018/07/17 10:20
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-414 KASAN: user-memory-access Write in n_tty_set_termios syz 24 986d 898d 0/1 public: reported syz repro on 2019/04/10 16:04
android-49 KASAN: user-memory-access Write in n_tty_set_termios C 10 1006d 896d 0/3 public: reported C repro on 2019/04/13 00:00

Sample crash report:

Crashes (85):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2018/10/22 02:20 upstream 467e050e9760 ecb386fe .config log report syz C
ci-upstream-kasan-gce-root 2018/05/20 02:16 upstream 0b449a441dac f48c20b8 .config log report syz C
ci-upstream-kasan-gce-root 2018/05/19 15:46 upstream 73fcb1a370c7 849705db .config log report syz C
ci-upstream-kasan-gce-root 2018/04/29 02:07 upstream bf8f5de17442 d5a5d045 .config log report syz C
ci-upstream-kasan-gce-root 2018/04/01 03:47 upstream 10b84daddbec 0174c6c8 .config log report syz C
ci-upstream-kasan-gce-smack-root 2018/12/28 04:06 upstream b71acb0e3721 af317504 .config log report syz
ci-upstream-kasan-gce-root 2018/12/27 07:55 upstream eed9688f8513 e747ec98 .config log report syz
ci-upstream-kasan-gce-selinux-root 2018/12/27 07:23 upstream eed9688f8513 e747ec98 .config log report syz
ci-upstream-kasan-gce-root 2018/11/28 14:12 upstream ef78e5ec9214 4b6d14f2 .config log report syz
ci-upstream-kasan-gce-selinux-root 2018/11/28 07:55 upstream ef78e5ec9214 4b6d14f2 .config log report syz
ci-upstream-kasan-gce-smack-root 2018/11/28 07:18 upstream ef78e5ec9214 4b6d14f2 .config log report syz
ci-upstream-kasan-gce-smack-root 2018/11/25 00:00 upstream 7c98a4261827 ecc7c870 .config log report syz
ci-upstream-kasan-gce-selinux-root 2018/11/24 22:34 upstream 7c98a4261827 ecc7c870 .config log report syz
ci-upstream-kasan-gce-root 2018/11/18 04:10 upstream 1ce80e0fe98e adf636a8 .config log report syz
ci-upstream-kasan-gce-selinux-root 2018/11/17 23:26 upstream 1ce80e0fe98e adf636a8 .config log report syz
ci-upstream-kasan-gce-smack-root 2018/11/17 22:40 upstream 1ce80e0fe98e adf636a8 .config log report syz
ci-upstream-kasan-gce-smack-root 2018/11/14 10:01 upstream ccda4af0f4b9 5f5f6d14 .config log report syz
ci-upstream-kasan-gce-root 2018/11/14 07:36 upstream ccda4af0f4b9 5f5f6d14 .config log report syz
ci-upstream-kasan-gce-selinux-root 2018/11/14 07:30 upstream ccda4af0f4b9 5f5f6d14 .config log report syz
ci-upstream-kasan-gce-root 2018/10/23 01:17 upstream 84df9525b0c2 ecb386fe .config log report syz
ci-upstream-kasan-gce-smack-root 2018/10/22 16:27 upstream 84df9525b0c2 ecb386fe .config log report syz
ci-upstream-kasan-gce-selinux-root 2018/09/22 18:09 upstream 10dc890d4228 37079712 .config log report syz
ci-upstream-kasan-gce-root 2018/09/03 12:32 upstream 60c1f89241d4 a4718693 .config log report syz
ci-upstream-kasan-gce-root 2018/09/03 10:48 upstream 60c1f89241d4 a4718693 .config log report syz
ci-upstream-kasan-gce-root 2018/09/02 21:45 upstream 899ba79553cf a4718693 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2018/11/28 13:19 linux-next 442b8cea2477 4b6d14f2 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2018/11/24 22:12 linux-next 442b8cea2477 ecc7c870 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2018/11/18 01:34 linux-next 442b8cea2477 adf636a8 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2018/11/14 12:47 linux-next 442b8cea2477 5f5f6d14 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2018/10/22 10:22 linux-next 8c60c36d0b8c ecb386fe .config log report syz
ci-upstream-linux-next-kasan-gce-root 2018/09/03 11:00 linux-next dceb9092b16b a4718693 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2018/09/03 08:29 linux-next dceb9092b16b a4718693 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2018/09/02 21:46 linux-next a880148cb2af a4718693 .config log report syz
ci-upstream-kasan-gce-root 2018/12/16 15:19 upstream 6531e115b7ab def91db3 .config log report
ci-upstream-kasan-gce-selinux-root 2018/11/16 11:52 upstream da5322e65940 f5e275d1 .config log report
ci-upstream-kasan-gce-smack-root 2018/11/12 07:21 upstream e12e00e388de 7b5f8621 .config log report
ci-upstream-kasan-gce-root 2018/09/03 21:47 upstream 60c1f89241d4 a4718693 .config log report
ci-upstream-kasan-gce-root 2018/08/14 00:46 upstream 7796916146b8 7a88b141 .config log report
ci-upstream-kasan-gce-root 2018/08/13 22:09 upstream 94710cac0ef4 7a88b141 .config log report
ci-upstream-kasan-gce-root 2018/08/01 19:11 upstream 44960f2a7b63 0a7cf4ec .config log report
ci-upstream-kasan-gce-root 2018/08/01 11:34 upstream c1d61e7fe376 1477993e .config log report
ci-upstream-kasan-gce-root 2018/07/29 02:38 upstream dd63bf22fccd ebf656d7 .config log report
ci-upstream-kasan-gce-root 2018/07/28 10:59 upstream 864af0d40cdc ebf656d7 .config log report
ci-upstream-kasan-gce-root 2018/07/27 03:25 upstream cd3f77d74ac3 375a3e31 .config log report
ci-upstream-kasan-gce-root 2018/07/24 04:17 upstream d72e90f33aa4 912c93d7 .config log report
ci-upstream-kasan-gce-root 2018/07/23 13:19 upstream d72e90f33aa4 f69c5fcd .config log report
ci-upstream-kasan-gce-root 2018/07/11 02:45 upstream 30c2c32d7f70 2e0e3130 .config log report
ci-upstream-kasan-gce-root 2018/06/30 13:37 upstream 1904148a361a dba0b50e .config log report
ci-upstream-kasan-gce-root 2018/06/28 16:40 upstream f57494321cbf dba0b50e .config log report
ci-upstream-kasan-gce-root 2018/06/20 13:04 upstream 81e97f01371f 095ef806 .config log report
ci-upstream-kasan-gce-root 2018/06/17 19:37 upstream ce397d215ccd 27c5f59f .config log report
ci-upstream-kasan-gce-root 2018/06/17 01:27 upstream 35773c93817c 27c5f59f .config log report
ci-upstream-kasan-gce-root 2018/06/16 13:44 upstream 9215310cf13b 27c5f59f .config log report
ci-upstream-kasan-gce-root 2018/05/29 05:24 upstream 786b71f5b754 f48c20b8 .config log report
ci-upstream-kasan-gce-root 2018/05/29 04:51 upstream 786b71f5b754 f48c20b8 .config log report
ci-upstream-kasan-gce-root 2018/05/29 01:15 upstream 786b71f5b754 f48c20b8 .config log report
ci-upstream-kasan-gce-root 2018/05/28 19:55 upstream b04e217704b7 f48c20b8 .config log report
ci-upstream-kasan-gce-root 2018/05/28 19:34 upstream b04e217704b7 f48c20b8 .config log report
ci-upstream-kasan-gce-root 2018/05/27 07:30 upstream 7fbb6157630f f48c20b8 .config log report
ci-upstream-kasan-gce-root 2018/05/23 16:45 upstream a048a07d7f45 f48c20b8 .config log report
ci-upstream-kasan-gce-root 2018/05/23 02:21 upstream a048a07d7f45 f48c20b8 .config log report
ci-upstream-kasan-gce-root 2018/05/21 08:55 upstream 771c577c23ba f48c20b8 .config log report
ci-upstream-kasan-gce-root 2018/05/20 03:41 upstream 0b449a441dac f48c20b8 .config log report
ci-upstream-kasan-gce-root 2018/05/14 04:07 upstream 66e1c94db3cd 481f030c .config log report
ci-upstream-kasan-gce-root 2018/04/01 03:31 upstream 10b84daddbec 0174c6c8 .config log report
ci-upstream-linux-next-kasan-gce-root 2018/12/06 17:05 linux-next 442b8cea2477 3ab38479 .config log report
ci-upstream-linux-next-kasan-gce-root 2018/11/19 19:24 linux-next 442b8cea2477 adf636a8 .config log report
ci-upstream-linux-next-kasan-gce-root 2018/10/07 08:39 linux-next 12ffaa1197f5 8b311eaf .config log report
ci-upstream-linux-next-kasan-gce-root 2018/09/05 15:30 linux-next f2b6e66e9885 196410e4 .config log report
ci-upstream-linux-next-kasan-gce-root 2018/08/17 08:36 linux-next d7857ae43dcc 9ccc1d45 .config log report
ci-upstream-linux-next-kasan-gce-root 2018/08/08 06:42 linux-next 2b769bb85b48 1beb8136 .config log report
ci-upstream-linux-next-kasan-gce-root 2018/08/04 22:08 linux-next 116b181bb646 3476a2df .config log report
ci-upstream-linux-next-kasan-gce-root 2018/07/27 14:52 linux-next d1e0b8e0cb7a 788351b1 .config log report
ci-upstream-linux-next-kasan-gce-root 2018/07/23 16:53 linux-next 89cf55353308 f69c5fcd .config log report
ci-upstream-linux-next-kasan-gce-root 2018/07/20 11:21 linux-next 89cf55353308 49f35839 .config log report
ci-upstream-linux-next-kasan-gce-root 2018/07/18 17:19 linux-next 0b742fe187f7 809256c3 .config log report