general protection fault in tipc_conn_delete

Title	Replies (including bot)	Last reply
[PATCH] net: tipc: fix general protection fault in tipc_conn_delete_sub	7 (7)	2020/07/28 16:15
general protection fault in tipc_conn_delete_sub	0 (1)	2020/04/06 16:06

Title

Replies (including bot)

Last reply

[PATCH] net: tipc: fix general protection fault in tipc_conn_delete_sub

7 (7)

2020/07/28 16:15

general protection fault in tipc_conn_delete_sub

0 (1)

2020/04/06 16:06


Created	Duration	User	Patch	Repo	Result
2022/09/13 09:27	16m	retest repro		upstream	OK log
2020/07/27 08:10	16m	bkkarthik@pesu.pes.edu	patch	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master	OK

general protection fault, probably for non-canonical address 0xdffffc0000000014: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x00000000000000a0-0x00000000000000a7] CPU: 1 PID: 113 Comm: kworker/u4:3 Not tainted 5.6.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: tipc_send tipc_conn_send_work RIP: 0010:tipc_conn_delete_sub+0x54/0x440 net/tipc/topsrv.c:231 Code: 48 c1 ea 03 80 3c 02 00 0f 85 f0 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 6b 18 48 8d bd a0 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 c0 03 00 00 48 c7 c0 34 0b 8a 8a 4c 8b a5 a0 00 RSP: 0018:ffffc900012d7b58 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff8880a8269c00 RCX: ffffffff8789ca01 RDX: 0000000000000014 RSI: ffffffff8789a059 RDI: 00000000000000a0 RBP: 0000000000000000 R08: ffff8880a8d88380 R09: fffffbfff18577a8 R10: fffffbfff18577a7 R11: ffffffff8c2bbd3f R12: dffffc0000000000 R13: ffff888093d35a18 R14: ffff8880a8269c00 R15: ffff888093d35a00 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000076c000 CR3: 000000009441d000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tipc_conn_send_to_sock+0x380/0x560 net/tipc/topsrv.c:266 tipc_conn_send_work+0x6f/0x90 net/tipc/topsrv.c:304 process_one_work+0x965/0x16a0 kernel/workqueue.c:2266 worker_thread+0x96/0xe20 kernel/workqueue.c:2412 kthread+0x388/0x470 kernel/kthread.c:268 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace 2c161a84be832606 ]--- RIP: 0010:tipc_conn_delete_sub+0x54/0x440 net/tipc/topsrv.c:231 Code: 48 c1 ea 03 80 3c 02 00 0f 85 f0 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 6b 18 48 8d bd a0 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 c0 03 00 00 48 c7 c0 34 0b 8a 8a 4c 8b a5 a0 00 RSP: 0018:ffffc900012d7b58 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff8880a8269c00 RCX: ffffffff8789ca01 RDX: 0000000000000014 RSI: ffffffff8789a059 RDI: 00000000000000a0 RBP: 0000000000000000 R08: ffff8880a8d88380 R09: fffffbfff18577a8 R10: fffffbfff18577a7 R11: ffffffff8c2bbd3f R12: dffffc0000000000 R13: ffff888093d35a18 R14: ffff8880a8269c00 R15: ffff888093d35a00 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020800000 CR3: 0000000091b8e000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400