general protection fault in skb

Date	Name	Commit	Repro	Result
2023/12/11	lts (merge base)	80529b4968a8	C	[report] general protection fault in skb_segment
2024/01/25	lts (merge base)	ddcaf4999061	C	Didn't crash
2023/12/11	upstream (ToT)	a39b6ac3781d	C	[report] general protection fault in skb_segment
2024/01/25	upstream (ToT)	6098d87eaf31	C	Didn't crash

Date

Name

Commit

Repro

Result

2023/12/11

lts (merge base)

80529b4968a8

[report] general protection fault in skb_segment

2024/01/25

lts (merge base)

ddcaf4999061

Didn't crash

2023/12/11

upstream (ToT)

a39b6ac3781d

[report] general protection fault in skb_segment

2024/01/25

upstream (ToT)

6098d87eaf31

Didn't crash

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
android-5-10	general protection fault in skb_segment	C		done	1	128d	142d	0/2	auto-obsoleted due to no activity on 2024/04/02 16:56
linux-4.14	general protection fault in skb_segment				1	665d	665d	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	261d	261d	23/26	fixed on 2023/10/12 12:48
upstream	general protection fault in skb_segment sctp	C			7	2304d	2314d	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	49d	140d	0/2	upstream: reported C repro on 2023/12/13 03:03
upstream	general protection fault in skb_segment (4) net	C	error		4	135d	143d	25/26	fixed on 2024/01/22 01:16
upstream	general protection fault in skb_segment (2) net				1	1170d	1170d	0/26	auto-closed as invalid on 2021/05/17 11:26
android-54	general protection fault in skb_segment	C			1	58d	142d	0/2	upstream: reported C repro on 2023/12/10 13:55

Created	Duration	User	Patch	Repo	Result
2023/12/25 02:30	6m	retest repro		android13-5.15-lts	report log

Created

Duration

User

Patch

Repo

Result

2023/12/25 02:30

retest repro

android13-5.15-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: 1 PID: 294 Comm: syz-executor327 Not tainted 5.15.138-syzkaller-00282-gb1355f1607d5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:skb_segment+0x2ebe/0x4540 net/core/skbuff.c:4132 Code: 30 81 7c 24 40 ff ff 00 00 0f 85 49 de ff ff e8 a8 ef 8f fd 49 8d 5c 24 70 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 bf 08 00 00 44 8b 2b 4c 8b b4 24 a8 00 00 RSP: 0018:ffffc90000927060 EFLAGS: 00010202 RAX: 000000000000000e RBX: 0000000000000070 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffff88811f6f557e RDI: 000000000000ffff RBP: ffffc900009272d0 R08: ffffffff83dfedba R09: ffffffff83e4748c R10: 0000000000000002 R11: ffff88811e32e2c0 R12: 0000000000000000 R13: ffff88811f6f55d4 R14: ffff88811f6f5570 R15: 0000000000000000 FS: 000055555596d380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020010000 CR3: 000000011e5a0000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> udp6_ufo_fragment+0x87a/0xd40 net/ipv6/udp_offload.c:107 ipv6_gso_segment+0x64a/0x1120 net/ipv6/ip6_offload.c:116 skb_mac_gso_segment+0x27c/0x490 net/core/dev.c:3370 __skb_gso_segment+0x32d/0x4c0 net/core/dev.c:3443 skb_gso_segment include/linux/netdevice.h:5009 [inline] validate_xmit_skb+0x30a/0xce0 net/core/dev.c:3702 __dev_queue_xmit+0x12d2/0x2e70 net/core/dev.c:4243 dev_queue_xmit+0x17/0x20 net/core/dev.c:4285 packet_snd net/packet/af_packet.c:3039 [inline] packet_sendmsg+0x47a9/0x6350 net/packet/af_packet.c:3070 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] __sys_sendto+0x564/0x720 net/socket.c:2056 __do_sys_sendto net/socket.c:2068 [inline] __se_sys_sendto net/socket.c:2064 [inline] __x64_sys_sendto+0xe5/0x100 net/socket.c:2064 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fd15b634419 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:00007fff05299ae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fd15b681390 RCX: 00007fd15b634419 RDX: 0000000000010048 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 0000000000000003 R08: 0000000020000540 R09: 0000000000000014 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff05299b40 R13: 00007fff05299b10 R14: 0000000000000001 R15: 00007fff05299b40 </TASK> Modules linked in: ---[ end trace 1ba3712c5c047f80 ]--- RIP: 0010:skb_segment+0x2ebe/0x4540 net/core/skbuff.c:4132 Code: 30 81 7c 24 40 ff ff 00 00 0f 85 49 de ff ff e8 a8 ef 8f fd 49 8d 5c 24 70 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 bf 08 00 00 44 8b 2b 4c 8b b4 24 a8 00 00 RSP: 0018:ffffc90000927060 EFLAGS: 00010202 RAX: 000000000000000e RBX: 0000000000000070 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffff88811f6f557e RDI: 000000000000ffff RBP: ffffc900009272d0 R08: ffffffff83dfedba R09: ffffffff83e4748c R10: 0000000000000002 R11: ffff88811e32e2c0 R12: 0000000000000000 R13: ffff88811f6f55d4 R14: ffff88811f6f5570 R15: 0000000000000000 FS: 000055555596d380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020010000 CR3: 000000011e5a0000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 81 7c 24 40 ff ff 00 cmpl $0xffff,0x40(%rsp) 7: 00 8: 0f 85 49 de ff ff jne 0xffffde57 e: e8 a8 ef 8f fd call 0xfd8fefbb 13: 49 8d 5c 24 70 lea 0x70(%r12),%rbx 18: 48 89 d8 mov %rbx,%rax 1b: 48 c1 e8 03 shr $0x3,%rax 1f: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 26: fc ff df * 29: 0f b6 04 08 movzbl (%rax,%rcx,1),%eax <-- trapping instruction 2d: 84 c0 test %al,%al 2f: 0f 85 bf 08 00 00 jne 0x8f4 35: 44 8b 2b mov (%rbx),%r13d 38: 4c rex.WR 39: 8b .byte 0x8b 3a: b4 24 mov $0x24,%ah 3c: a8 00 test $0x0,%al

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2023/12/11 02:28	android13-5.15-lts	b1355f1607d5	28b24332	.config	strace log	report	syz	C		[disk image] [vmlinux] [kernel image]	ci2-android-5-15	general protection fault in skb_segment

Crashes (1):

Assets (help?)