syzbot


general protection fault in skb_put

Status: upstream: reported C repro on 2019/04/22 01:02
Reported-by: syzbot+7007264d1b0ca8fa4698@syzkaller.appspotmail.com
First crash: 1859d, last: 1107d
Fix bisection: failed (error log, bisect log)
  
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream general protection fault in skb_put bluetooth C done error 43 1354d 1936d 0/26 auto-obsoleted due to no activity on 2022/09/23 14:24
linux-4.19 general protection fault in skb_put C error 32 981d 1858d 0/1 upstream: reported C repro on 2019/04/23 05:25
Last patch testing requests (8)
Created Duration User Patch Repo Result
2023/02/07 18:32 17m retest repro linux-4.14.y report log
2023/02/07 17:32 10m retest repro linux-4.14.y report log
2023/02/07 16:32 10m retest repro linux-4.14.y report log
2023/02/07 15:32 10m retest repro linux-4.14.y report log
2022/09/17 14:29 11m retest repro linux-4.14.y report log
2022/09/17 13:29 10m retest repro linux-4.14.y report log
2022/09/17 12:29 15m retest repro linux-4.14.y report log
2022/09/17 11:29 10m retest repro linux-4.14.y report log

Sample crash report:
Bluetooth: hci2 command 0x1009 tx timeout
Bluetooth: hci0 command 0x1009 tx timeout
Bluetooth: hci5 command 0x1009 tx timeout
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
kobject: 'hci0' (ffff888081e469a8): kobject_add_internal: parent: 'bluetooth', set: 'devices'
Modules linked in:
CPU: 0 PID: 7163 Comm: kworker/u4:2 Not tainted 4.14.131 #25
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound flush_to_ldisc
kobject: 'hci0' (ffff888081e469a8): kobject_uevent_env
task: ffff88808beea3c0 task.stack: ffff888081818000
RIP: 0010:skb_put+0x31/0x1c0 net/core/skbuff.c:1694
RSP: 0018:ffff88808181fb48 EFLAGS: 00010202
kobject: 'hci0' (ffff888081e469a8): fill_kobj_path: path = '/devices/virtual/bluetooth/hci0'
RAX: dffffc0000000000 RBX: ffff88808b67b0c0 RCX: ffff88808c672a80
RDX: 0000000000000019 RSI: 0000000000000003 RDI: 0000000000000000
RBP: ffff88808181fb70 R08: 000000000000226e R09: ffffffff88c897b0
R10: 0000000000000006 R11: ffff88808beea3c0 R12: 0000000000000000
R13: 0000000000000003 R14: ffff8880a1a56de0 R15: 00000000000000c8
FS:  0000000000000000(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff0fd168dc CR3: 00000000929dd000 CR4: 00000000001406f0
Call Trace:
 skb_put_data include/linux/skbuff.h:2079 [inline]
 ll_recv+0x501/0x1010 drivers/bluetooth/hci_ll.c:416
 hci_uart_tty_receive+0x1f4/0x4d0 drivers/bluetooth/hci_ldisc.c:603
kobject: 'rfkill147' (ffff8880a15060e8): kobject_add_internal: parent: 'hci0', set: 'devices'
 tty_ldisc_receive_buf+0x14d/0x1a0 drivers/tty/tty_buffer.c:459
 tty_port_default_receive_buf+0x73/0xa0 drivers/tty/tty_port.c:37
 receive_buf drivers/tty/tty_buffer.c:475 [inline]
 flush_to_ldisc+0x1ec/0x400 drivers/tty/tty_buffer.c:527
kobject: 'rfkill147' (ffff8880a15060e8): kobject_uevent_env
 process_one_work+0x863/0x1600 kernel/workqueue.c:2114
kobject: 'rfkill147' (ffff8880a15060e8): fill_kobj_path: path = '/devices/virtual/bluetooth/hci0/rfkill147'
 worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248
 kthread+0x319/0x430 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 41 56 41 55 41 89 f5 41 54 49 89 fc 4d 8d bc 24 c8 00 00 00 53 e8 b0 fc 8e fc 4c 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 
RIP: skb_put+0x31/0x1c0 net/core/skbuff.c:1694 RSP: ffff88808181fb48
---[ end trace 851b7fd4c7b3ca1e ]---

Crashes (70):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/07/01 18:04 linux-4.14.y f4cc0ed9b2c7 907bf746 .config console log report syz C ci2-linux-4-14
2019/04/22 01:45 linux-4.14.y 68d7a45eec10 b0e8efcb .config console log report syz C ci2-linux-4-14
2020/04/17 00:42 linux-4.14.y c10b57a567e4 c743fcb3 .config console log report syz ci2-linux-4-14
2019/07/23 15:48 linux-4.14.y ff33472c282e bb071d58 .config console log report syz ci2-linux-4-14
2021/05/13 02:16 linux-4.14.y 7d7d1c0ab3eb ed7d41c5 .config console log report info ci2-linux-4-14 general protection fault in skb_put
2021/05/07 21:03 linux-4.14.y 7d7d1c0ab3eb bc5434be .config console log report info ci2-linux-4-14 general protection fault in skb_put
2021/05/07 17:54 linux-4.14.y 7d7d1c0ab3eb f6da8120 .config console log report info ci2-linux-4-14 general protection fault in skb_put
2021/05/05 02:36 linux-4.14.y 7d7d1c0ab3eb 06c27ff5 .config console log report info ci2-linux-4-14 general protection fault in skb_put
2021/04/19 19:25 linux-4.14.y cf256fbcbe34 4285c989 .config console log report info ci2-linux-4-14 general protection fault in skb_put
2021/04/18 13:55 linux-4.14.y cf256fbcbe34 7e2b734b .config console log report info ci2-linux-4-14 general protection fault in skb_put
2021/03/18 20:55 linux-4.14.y cb83ddcd5332 380dcc3e .config console log report info ci2-linux-4-14 general protection fault in skb_put
2020/12/25 10:34 linux-4.14.y 3f2ecb86cb90 b982b3ea .config console log report info ci2-linux-4-14
2020/12/03 14:39 linux-4.14.y c196b3a9c83a 59ad4022 .config console log report info ci2-linux-4-14
2020/11/20 02:52 linux-4.14.y 8961076ed318 0767f13f .config console log report info ci2-linux-4-14
2020/11/15 01:50 linux-4.14.y 27ce4f2a6817 1bf9a662 .config console log report info ci2-linux-4-14
2020/11/12 04:15 linux-4.14.y 27ce4f2a6817 cca87986 .config console log report info ci2-linux-4-14
2020/11/07 08:32 linux-4.14.y 6b6446efedb2 cba33199 .config console log report info ci2-linux-4-14
2020/10/29 05:52 linux-4.14.y 5b7a52cd2eef f24824d3 .config console log report info ci2-linux-4-14
2020/10/20 21:52 linux-4.14.y cbfa1702aaf6 ff4a3345 .config console log report info ci2-linux-4-14
2020/10/17 03:29 linux-4.14.y cbfa1702aaf6 6e262c73 .config console log report info ci2-linux-4-14
2020/09/28 05:03 linux-4.14.y cbfa1702aaf6 5dd8aee8 .config console log report info ci2-linux-4-14
2020/09/11 04:59 linux-4.14.y 458a534cac0c ac7ca78e .config console log report ci2-linux-4-14
2020/08/25 14:29 linux-4.14.y 6a24ca2506d6 344da168 .config console log report ci2-linux-4-14
2020/08/01 03:27 linux-4.14.y 7f2c5eb458b8 8df85ed9 .config console log report ci2-linux-4-14
2020/07/25 11:33 linux-4.14.y 69b94dd6dcd1 1f7cc1ca .config console log report ci2-linux-4-14
2020/07/24 07:58 linux-4.14.y 69b94dd6dcd1 70c104a1 .config console log report ci2-linux-4-14
2020/07/18 04:59 linux-4.14.y b850307b279c 9c812472 .config console log report ci2-linux-4-14
2020/06/09 13:35 linux-4.14.y c6db52a88798 092934c1 .config console log report ci2-linux-4-14
2020/05/29 18:46 linux-4.14.y 4f68020fef1c bed08304 .config console log report ci2-linux-4-14
2020/05/28 18:53 linux-4.14.y 4f68020fef1c c7192a2f .config console log report ci2-linux-4-14
2020/05/22 09:28 linux-4.14.y a41ba30d9df2 4afdfa20 .config console log report ci2-linux-4-14
2020/05/21 12:35 linux-4.14.y a41ba30d9df2 4afdfa20 .config console log report ci2-linux-4-14
2020/04/30 07:59 linux-4.14.y 050272a0423e 2dd552a5 .config console log report ci2-linux-4-14
2020/04/21 23:50 linux-4.14.y c10b57a567e4 2e44d63e .config console log report ci2-linux-4-14
2020/04/17 04:30 linux-4.14.y c10b57a567e4 c743fcb3 .config console log report ci2-linux-4-14
2020/04/11 14:28 linux-4.14.y 4520f06b03ae a8c6a3f8 .config console log report ci2-linux-4-14
2020/04/08 04:00 linux-4.14.y 4520f06b03ae db9bcd4b .config console log report ci2-linux-4-14
2020/04/03 20:12 linux-4.14.y 4520f06b03ae 5ed396e6 .config console log report ci2-linux-4-14
2020/04/03 07:30 linux-4.14.y 4520f06b03ae a34e2c33 .config console log report ci2-linux-4-14
2020/03/30 07:57 linux-4.14.y 01364dad1d45 05736b29 .config console log report ci2-linux-4-14
2020/03/25 05:26 linux-4.14.y 01364dad1d45 41f049cc .config console log report ci2-linux-4-14
2020/03/24 23:45 linux-4.14.y 01364dad1d45 68660b21 .config console log report ci2-linux-4-14
2020/03/23 07:08 linux-4.14.y 01364dad1d45 78267cec .config console log report ci2-linux-4-14
2020/03/19 18:27 linux-4.14.y 12cd844a39ed 2c31c529 .config console log report ci2-linux-4-14
2020/03/09 07:44 linux-4.14.y 78d697fc93f9 2e9971bb .config console log report ci2-linux-4-14
2020/02/14 21:54 linux-4.14.y e0f8b8a65a47 5d7b90f1 .config console log report ci2-linux-4-14
2020/01/25 17:40 linux-4.14.y 8bac50406cca 2e95ab33 .config console log report ci2-linux-4-14
2020/01/02 03:42 linux-4.14.y 4c5bf01e16a7 25a0186e .config console log report ci2-linux-4-14
2019/12/26 21:10 linux-4.14.y e1f7d50ae3a3 be5c2c81 .config console log report ci2-linux-4-14
2019/12/26 05:02 linux-4.14.y e1f7d50ae3a3 be5c2c81 .config console log report ci2-linux-4-14
2019/12/23 01:51 linux-4.14.y e1f7d50ae3a3 8b967267 .config console log report ci2-linux-4-14
2019/12/19 10:30 linux-4.14.y bfb9e5c03076 79b211f7 .config console log report ci2-linux-4-14
2019/12/07 18:23 linux-4.14.y a844dc4c5442 85f26751 .config console log report ci2-linux-4-14
2019/10/05 20:23 linux-4.14.y db1892238c55 f3f7d9c8 .config console log report ci2-linux-4-14
2019/10/03 10:42 linux-4.14.y f6e27dbb1afa fc17ba49 .config console log report ci2-linux-4-14
2019/08/28 07:43 linux-4.14.y b5260801526c fd37b39e .config console log report ci2-linux-4-14
2019/08/13 03:15 linux-4.14.y 3ffe1e79c174 8620c2c2 .config console log report ci2-linux-4-14
2019/06/27 12:01 linux-4.14.y f4cc0ed9b2c7 7509bf36 .config console log report ci2-linux-4-14
2019/06/25 16:59 linux-4.14.y bc2bccef19ee 0a8d1a96 .config console log report ci2-linux-4-14
2019/06/24 22:38 linux-4.14.y a5758c531177 2873954b .config console log report ci2-linux-4-14
2019/06/22 21:58 linux-4.14.y a5758c531177 34bf9440 .config console log report ci2-linux-4-14
2019/06/21 20:34 linux-4.14.y bb263a2a2d43 34bf9440 .config console log report ci2-linux-4-14
2019/06/20 13:40 linux-4.14.y bb263a2a2d43 34bf9440 .config console log report ci2-linux-4-14
2019/06/20 09:02 linux-4.14.y bb263a2a2d43 34bf9440 .config console log report ci2-linux-4-14
2019/06/16 14:00 linux-4.14.y a74d0e937a3a 442206d7 .config console log report ci2-linux-4-14
2019/06/10 14:07 linux-4.14.y e6a95d8851f1 0159583c .config console log report ci2-linux-4-14
2019/05/03 04:38 linux-4.14.y 1c046f373132 e9039493 .config console log report ci2-linux-4-14
2019/04/26 13:26 linux-4.14.y 68d7a45eec10 b617407b .config console log report ci2-linux-4-14
2019/04/24 09:09 linux-4.14.y 68d7a45eec10 2398edea .config console log report ci2-linux-4-14
2019/04/22 00:01 linux-4.14.y 68d7a45eec10 b0e8efcb .config console log report ci2-linux-4-14
* Struck through repros no longer work on HEAD.