general protection fault in skb

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
android-5-15	general protection fault in skb_segment origin:upstream	C		done	1	124d	138d	0/2	auto-obsoleted due to no activity on 2024/04/03 02:38
linux-4.14	general protection fault in skb_segment				1	662d	662d	0/1	auto-obsoleted due to no activity on 2022/11/02 17:51
upstream	general protection fault in skb_segment (3) net	C	done		2	258d	258d	23/26	fixed on 2023/10/12 12:48
upstream	general protection fault in skb_segment sctp	C			7	2301d	2311d	4/26	fixed on 2018/01/29 03:39
android-6-1	general protection fault in skb_segment origin:upstream missing-backport	C	done	done	1	46d	136d	0/2	upstream: reported C repro on 2023/12/13 03:03
upstream	general protection fault in skb_segment (4) net	C	error		4	132d	139d	25/26	fixed on 2024/01/22 01:16
upstream	general protection fault in skb_segment (2) net				1	1166d	1166d	0/26	auto-closed as invalid on 2021/05/17 11:26
android-54	general protection fault in skb_segment	C			1	55d	139d	0/2	upstream: reported C repro on 2023/12/10 13:55

Created	Duration	User	Patch	Repo	Result
2023/12/24 16:45	10m	retest repro		android13-5.10-lts	report log

Created

Duration

User

Patch

Repo

Result

2023/12/24 16:45

10m

retest repro

android13-5.10-lts

report log

general protection fault, probably for non-canonical address 0xdffffc000000000e: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000070-0x0000000000000077] CPU: 0 PID: 288 Comm: syz-executor161 Not tainted 5.10.201-syzkaller-00620-g389683767761 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:skb_segment+0x2abb/0x4130 net/core/skbuff.c:3937 Code: 24 20 8b 5c 24 30 e9 8d e0 ff ff e8 0f 77 ab fd 48 8b 44 24 60 4c 8d 70 70 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 ef 08 00 00 41 8b 1e 4c 8b b4 24 a8 00 00 RSP: 0018:ffffc90000b07080 EFLAGS: 00010202 RAX: 000000000000000e RBX: 0000000000000000 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffff88810ab10e3e RDI: 000000000000ffff RBP: ffffc90000b072f0 R08: ffffffff83bf0cd3 R09: ffffffff83c3846b R10: 0000000000000002 R11: ffff88811e8c93c0 R12: 000000000000003e R13: 0000000000000011 R14: 0000000000000070 R15: ffff88810ab65000 FS: 0000555555a6c380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020010000 CR3: 000000011eabb000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: udp6_ufo_fragment+0x866/0xcd0 net/ipv6/udp_offload.c:107 ipv6_gso_segment+0x64a/0x1120 net/ipv6/ip6_offload.c:115 skb_mac_gso_segment+0x27c/0x490 net/core/dev.c:3356 __skb_gso_segment+0x32d/0x4c0 net/core/dev.c:3429 skb_gso_segment include/linux/netdevice.h:4808 [inline] validate_xmit_skb+0x30a/0xc50 net/core/dev.c:3669 __dev_queue_xmit+0x1144/0x28e0 net/core/dev.c:4173 dev_queue_xmit+0x17/0x20 net/core/dev.c:4215 packet_snd net/packet/af_packet.c:3036 [inline] packet_sendmsg+0x4526/0x60a0 net/packet/af_packet.c:3068 sock_sendmsg_nosec net/socket.c:652 [inline] __sock_sendmsg net/socket.c:664 [inline] __sys_sendto+0x545/0x700 net/socket.c:2004 __do_sys_sendto net/socket.c:2016 [inline] __se_sys_sendto net/socket.c:2012 [inline] __x64_sys_sendto+0xe5/0x100 net/socket.c:2012 do_syscall_64+0x34/0x70 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f21ad998419 Code: 48 83 c4 28 c3 e8 d7 19 00 00 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe76b38628 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f21ad9e5390 RCX: 00007f21ad998419 RDX: 0000000000010048 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 0000000000000003 R08: 0000000020000540 R09: 0000000000000014 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe76b38680 R13: 00007ffe76b38650 R14: 0000000000000001 R15: 00007ffe76b38680 Modules linked in: ---[ end trace 73b284e4cf1b4834 ]--- RIP: 0010:skb_segment+0x2abb/0x4130 net/core/skbuff.c:3937 Code: 24 20 8b 5c 24 30 e9 8d e0 ff ff e8 0f 77 ab fd 48 8b 44 24 60 4c 8d 70 70 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 ef 08 00 00 41 8b 1e 4c 8b b4 24 a8 00 00 RSP: 0018:ffffc90000b07080 EFLAGS: 00010202 RAX: 000000000000000e RBX: 0000000000000000 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffff88810ab10e3e RDI: 000000000000ffff RBP: ffffc90000b072f0 R08: ffffffff83bf0cd3 R09: ffffffff83c3846b R10: 0000000000000002 R11: ffff88811e8c93c0 R12: 000000000000003e R13: 0000000000000011 R14: 0000000000000070 R15: ffff88810ab65000 FS: 0000555555a6c380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020010000 CR3: 000000011eabb000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 24 20 and $0x20,%al 2: 8b 5c 24 30 mov 0x30(%rsp),%ebx 6: e9 8d e0 ff ff jmp 0xffffe098 b: e8 0f 77 ab fd call 0xfdab771f 10: 48 8b 44 24 60 mov 0x60(%rsp),%rax 15: 4c 8d 70 70 lea 0x70(%rax),%r14 19: 4c 89 f0 mov %r14,%rax 1c: 48 c1 e8 03 shr $0x3,%rax 20: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 27: fc ff df * 2a: 0f b6 04 08 movzbl (%rax,%rcx,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 0f 85 ef 08 00 00 jne 0x925 36: 41 8b 1e mov (%r14),%ebx 39: 4c rex.WR 3a: 8b .byte 0x8b 3b: b4 24 mov $0x24,%ah 3d: a8 00 test $0x0,%al

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2023/12/10 16:42	android13-5.10-lts	389683767761	28b24332	.config	strace log	report	syz	C		[disk image] [vmlinux] [kernel image]	ci2-android-5-10	general protection fault in skb_segment

Crashes (1):

Assets (help?)