syzbot


kernel BUG at ./include/linux/scatterlist.h:LINE!

Status: upstream: reported C repro on 2019/04/13 10:33
Reported-by: syzbot+f644e0e3bce7dfd2a857@syzkaller.appspotmail.com
First crash: 1892d, last: 1467d
Fix bisection the fix commit could be any of (bisect log):
  58b454ebf81e Linux 4.14.112
  56dfe6252c68 Linux 4.14.188
  
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG at ./include/linux/scatterlist.h:LINE! net C done 23 1681d 1824d 0/27 closed as dup on 2019/11/19 04:50
Last patch testing requests (4)
Created Duration User Patch Repo Result
2023/01/25 08:32 9m retest repro linux-4.14.y report log
2023/01/25 07:32 13m retest repro linux-4.14.y report log
2022/09/07 15:27 9m retest repro linux-4.14.y report log
2022/09/07 14:27 9m retest repro linux-4.14.y report log
Fix bisection attempts (8)
Created Duration User Patch Repo Result
2020/07/11 22:34 31m bisect fix linux-4.14.y job log (2)
2020/06/11 22:08 26m bisect fix linux-4.14.y job log (0) log
2020/05/12 21:43 25m bisect fix linux-4.14.y job log (0) log
2020/04/12 21:18 23m bisect fix linux-4.14.y job log (0) log
2020/03/13 20:51 26m bisect fix linux-4.14.y job log (0) log
2020/02/12 20:27 23m bisect fix linux-4.14.y job log (0) log
2020/01/13 19:54 23m bisect fix linux-4.14.y job log (0) log
2019/12/14 19:30 23m bisect fix linux-4.14.y job log (0) log

Sample crash report:
audit: type=1400 audit(1555567159.926:36): avc:  denied  { map } for  pid=7056 comm="syz-executor608" path="/root/syz-executor608215424" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
------------[ cut here ]------------
kernel BUG at ./include/linux/scatterlist.h:124!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 7081 Comm: syz-executor608 Not tainted 4.14.112 #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88807d75c700 task.stack: ffff888080920000
RIP: 0010:sg_page include/linux/scatterlist.h:124 [inline]
RIP: 0010:gcmaes_decrypt.constprop.0+0x91c/0xd30 arch/x86/crypto/aesni-intel_glue.c:828
RSP: 0018:ffff8880809277c8 EFLAGS: 00010297
RAX: ffff88807d75c700 RBX: ffff8880914e3148 RCX: 0000000087654321
RDX: 0000000000000000 RSI: 1ffff1101229c5ba RDI: ffff8880914e2de4
RBP: ffff8880809278a0 R08: ffff8880914e3720 R09: ffffed1010124f1c
R10: ffffed1010124f1b R11: ffff8880809278db R12: ffffea00024a8d42
R13: ffff8880914e317c R14: 0000000000000010 R15: ffff8880a5268a00
FS:  00000000011a9880(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020002640 CR3: 00000000a8ac6000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 generic_gcmaes_decrypt+0xf4/0x130 arch/x86/crypto/aesni-intel_glue.c:1126
 crypto_aead_decrypt include/crypto/aead.h:362 [inline]
 gcmaes_wrapper_decrypt+0x168/0x200 arch/x86/crypto/aesni-intel_glue.c:961
 crypto_aead_decrypt include/crypto/aead.h:362 [inline]
 _aead_recvmsg crypto/algif_aead.c:316 [inline]
 aead_recvmsg+0x827/0x1da0 crypto/algif_aead.c:335
 sock_recvmsg_nosec net/socket.c:819 [inline]
 sock_recvmsg net/socket.c:826 [inline]
 sock_recvmsg+0xc8/0x110 net/socket.c:822
 ___sys_recvmsg+0x221/0x4d0 net/socket.c:2221
 __sys_recvmmsg+0x226/0x6b0 net/socket.c:2329
 SYSC_recvmmsg net/socket.c:2405 [inline]
 SyS_recvmmsg+0x125/0x140 net/socket.c:2394
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x4412c9
RSP: 002b:00007ffcb0fdb928 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412c9
RDX: 0000000000000001 RSI: 0000000020008cc0 RDI: 0000000000000004
RBP: 000000000000a6e1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004020f0
R13: 0000000000402180 R14: 0000000000000000 R15: 0000000000000000
Code: 0f 0b e8 98 09 2e 00 0f 0b e8 91 09 2e 00 0f 0b e8 8a 09 2e 00 0f 0b e8 83 09 2e 00 e8 ea 74 d1 ff e9 63 ff ff ff e8 74 09 2e 00 <0f> 0b e8 6d 09 2e 00 0f 0b 4c 89 85 58 ff ff ff e8 5f 09 2e 00 
RIP: sg_page include/linux/scatterlist.h:124 [inline] RSP: ffff8880809277c8
RIP: gcmaes_decrypt.constprop.0+0x91c/0xd30 arch/x86/crypto/aesni-intel_glue.c:828 RSP: ffff8880809277c8
---[ end trace 52916f13b0ddb713 ]---

Crashes (128):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/04/18 06:03 linux-4.14.y 58b454ebf81e b0e8efcb .config console log report syz C ci2-linux-4-14
2019/04/18 05:16 linux-4.14.y 58b454ebf81e b0e8efcb .config console log report syz C ci2-linux-4-14
2019/11/09 04:46 linux-4.14.y c9fda4f22428 1e35461e .config console log report ci2-linux-4-14
2019/10/26 12:29 linux-4.14.y b98aebd29824 25bb509e .config console log report ci2-linux-4-14
2019/10/26 00:02 linux-4.14.y b98aebd29824 413926c5 .config console log report ci2-linux-4-14
2019/10/24 22:02 linux-4.14.y b98aebd29824 d01bb02a .config console log report ci2-linux-4-14
2019/10/24 18:41 linux-4.14.y b98aebd29824 d01bb02a .config console log report ci2-linux-4-14
2019/10/17 21:21 linux-4.14.y b98aebd29824 8c88c9c1 .config console log report ci2-linux-4-14
2019/10/16 00:24 linux-4.14.y e132c8d7b58d d4ea592f .config console log report ci2-linux-4-14
2019/10/15 23:02 linux-4.14.y e132c8d7b58d d4ea592f .config console log report ci2-linux-4-14
2019/10/12 12:48 linux-4.14.y e132c8d7b58d 426631dd .config console log report ci2-linux-4-14
2019/10/07 12:07 linux-4.14.y db1892238c55 28ac6e64 .config console log report ci2-linux-4-14
2019/10/07 08:00 linux-4.14.y db1892238c55 28ac6e64 .config console log report ci2-linux-4-14
2019/10/06 16:06 linux-4.14.y db1892238c55 f3f7d9c8 .config console log report ci2-linux-4-14
2019/10/05 03:40 linux-4.14.y f6e27dbb1afa f3f7d9c8 .config console log report ci2-linux-4-14
2019/10/05 02:20 linux-4.14.y f6e27dbb1afa f3f7d9c8 .config console log report ci2-linux-4-14
2019/09/30 18:53 linux-4.14.y f6e27dbb1afa c7a4fb99 .config console log report ci2-linux-4-14
2019/09/30 14:30 linux-4.14.y f6e27dbb1afa c7a4fb99 .config console log report ci2-linux-4-14
2019/09/30 11:10 linux-4.14.y f6e27dbb1afa c7a4fb99 .config console log report ci2-linux-4-14
2019/09/29 08:42 linux-4.14.y f6e27dbb1afa c1ad5441 .config console log report ci2-linux-4-14
2019/09/29 07:40 linux-4.14.y f6e27dbb1afa eb6b9855 .config console log report ci2-linux-4-14
2019/09/28 20:23 linux-4.14.y f6e27dbb1afa eb6b9855 .config console log report ci2-linux-4-14
2019/09/28 11:15 linux-4.14.y f6e27dbb1afa eb6b9855 .config console log report ci2-linux-4-14
2019/09/28 04:46 linux-4.14.y f6e27dbb1afa d8074e0b .config console log report ci2-linux-4-14
2019/09/26 18:08 linux-4.14.y f6e27dbb1afa 24d405a3 .config console log report ci2-linux-4-14
2019/09/24 09:06 linux-4.14.y f6e27dbb1afa f8368f99 .config console log report ci2-linux-4-14
2019/09/22 11:26 linux-4.14.y f6e27dbb1afa d96e88f3 .config console log report ci2-linux-4-14
2019/09/20 07:55 linux-4.14.y b10ab5e2c476 4d3ae0b7 .config console log report ci2-linux-4-14
2019/09/18 13:19 linux-4.14.y 968722f5371a 1037b424 .config console log report ci2-linux-4-14
2019/09/17 23:55 linux-4.14.y 968722f5371a 03e0d245 .config console log report ci2-linux-4-14
2019/09/17 11:22 linux-4.14.y 968722f5371a 13dcda9b .config console log report ci2-linux-4-14
2019/09/16 21:30 linux-4.14.y 968722f5371a 51ca0454 .config console log report ci2-linux-4-14
2019/09/16 20:23 linux-4.14.y 968722f5371a 51ca0454 .config console log report ci2-linux-4-14
2019/09/14 07:57 linux-4.14.y e2cd24b62938 32d59357 .config console log report ci2-linux-4-14
2019/09/10 04:38 linux-4.14.y 414510bc00a5 a60cb4cd .config console log report ci2-linux-4-14
2019/09/09 01:52 linux-4.14.y 414510bc00a5 a60cb4cd .config console log report ci2-linux-4-14
2019/09/06 03:41 linux-4.14.y 01fd1694b93c c16be727 .config console log report ci2-linux-4-14
2019/09/05 16:00 linux-4.14.y 01fd1694b93c bf6bcce4 .config console log report ci2-linux-4-14
2019/09/05 12:30 linux-4.14.y 01fd1694b93c 040fda58 .config console log report ci2-linux-4-14
2019/09/05 07:10 linux-4.14.y 01fd1694b93c 040fda58 .config console log report ci2-linux-4-14
2019/09/05 00:09 linux-4.14.y 01fd1694b93c 040fda58 .config console log report ci2-linux-4-14
2019/09/03 03:00 linux-4.14.y 01fd1694b93c 14544a56 .config console log report ci2-linux-4-14
2019/09/03 00:29 linux-4.14.y 01fd1694b93c 14544a56 .config console log report ci2-linux-4-14
2019/09/01 18:50 linux-4.14.y 01fd1694b93c bad3cce2 .config console log report ci2-linux-4-14
2019/08/30 13:25 linux-4.14.y 01fd1694b93c 9adfa876 .config console log report ci2-linux-4-14
2019/08/29 09:35 linux-4.14.y 01fd1694b93c 40203c15 .config console log report ci2-linux-4-14
2019/08/25 10:01 linux-4.14.y b5260801526c d21c5d9d .config console log report ci2-linux-4-14
2019/08/24 21:49 linux-4.14.y 45f092f9e9cb d21c5d9d .config console log report ci2-linux-4-14
2019/04/13 09:32 linux-4.14.y 1ec8f1f0bffe c402d8f1 .config console log report ci2-linux-4-14
* Struck through repros no longer work on HEAD.