general protection fault in skb

Kernel	Title	Repro	Cause bisect	Count	Last	Reported	Patched	Status
linux-4.14	general protection fault in skb_clone	C		1	663d	796d	0/1	upstream: reported C repro on 2022/10/17 02:33
upstream	general protection fault in skb_clone	syz		3	2684d	2683d	3/28	fixed on 2017/10/24 19:00
upstream	BUG: unable to handle kernel paging request in skb_clone net			2	1226d	1270d	0/28	closed as invalid on 2021/10/04 21:36
upstream	general protection fault in skb_clone (3) net			44	1668d	1670d	15/28	fixed on 2020/07/17 17:58
upstream	general protection fault in skb_clone (4) net	C	unreliable	41	808d	1105d	0/28	closed as invalid on 2022/10/12 18:15
upstream	general protection fault in skb_clone (2) hams			1	1852d	1849d	0/28	auto-closed as invalid on 2020/03/25 12:28
upstream	general protection fault in skb_clone (5) net	C	done	7	781d	799d	22/28	fixed on 2023/02/24 13:50

RBP: 00007ffe28490ab0 R08: 0000000000000000 R09: 0000000000000001 R10: 00007ffe28490827 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffe28490af0 R14: 00007ffe28490ad0 R15: 0000000000000003 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 CPU: 1 PID: 8330 Comm: syz-executor428 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:skb_clone+0xe9/0x3d0 net/core/skbuff.c:1285 Code: e8 bc 85 f1 fa 84 db 0f 85 f4 00 00 00 e8 7f 84 f1 fa 4c 8d bd 8e 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 <0f> b6 04 02 4c 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 7a 02 00 00 RSP: 0018:ffff8880952175b8 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: ffff8880b31713d0 RCX: 0000000000000000 RDX: 0000000000000011 RSI: ffffffff867100f1 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880b51765a0 R13: 0000000000480020 R14: ffff8880b5176580 R15: 000000000000008e FS: 0000555555aa8300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0f19026a04 CR3: 00000000aae62000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: frame_get_stripped_skb net/hsr/hsr_forward.c:127 [inline] hsr_forward_do net/hsr/hsr_forward.c:285 [inline] hsr_forward_skb+0xf54/0x1c30 net/hsr/hsr_forward.c:373 hsr_handle_frame+0x33b/0x640 net/hsr/hsr_slave.c:50 __netif_receive_skb_core+0x929/0x3270 net/core/dev.c:4876 __netif_receive_skb_one_core+0xae/0x180 net/core/dev.c:4952 __netif_receive_skb+0x27/0x1c0 net/core/dev.c:5066 netif_receive_skb_internal+0xf0/0x3f0 net/core/dev.c:5156 tun_rx_batched.isra.0+0x472/0x740 drivers/net/tun.c:1543 tun_get_user+0x2ee5/0x5100 drivers/net/tun.c:1974 tun_chr_write_iter+0xdb/0x1d0 drivers/net/tun.c:2007 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 vfs_write+0x1f3/0x540 fs/read_write.c:549 ksys_write+0x12b/0x2a0 fs/read_write.c:599 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f0f18f891d3 Code: ff ff bf 01 00 00 00 e8 ab 6f 00 00 66 2e 0f 1f 84 00 00 00 00 00 90 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 RSP: 002b:00007ffe28490a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0f18f891d3 RDX: 0000000000000036 RSI: 0000000020000640 RDI: 00000000000000c8 RBP: 00007ffe28490ab0 R08: 0000000000000000 R09: 0000000000000001 R10: 00007ffe28490827 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffe28490af0 R14: 00007ffe28490ad0 R15: 0000000000000003 Modules linked in: ---[ end trace 6eaf66040c024d61 ]--- RIP: 0010:skb_clone+0xe9/0x3d0 net/core/skbuff.c:1285 Code: e8 bc 85 f1 fa 84 db 0f 85 f4 00 00 00 e8 7f 84 f1 fa 4c 8d bd 8e 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 <0f> b6 04 02 4c 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 7a 02 00 00 RSP: 0018:ffff8880952175b8 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: ffff8880b31713d0 RCX: 0000000000000000 RDX: 0000000000000011 RSI: ffffffff867100f1 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880b51765a0 R13: 0000000000480020 R14: ffff8880b5176580 R15: 000000000000008e FS: 0000555555aa8300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0f19026a04 CR3: 00000000aae62000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: e8 bc 85 f1 fa callq 0xfaf185c1 5: 84 db test %bl,%bl 7: 0f 85 f4 00 00 00 jne 0x101 d: e8 7f 84 f1 fa callq 0xfaf18491 12: 4c 8d bd 8e 00 00 00 lea 0x8e(%rbp),%r15 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 4c 89 fa mov %r15,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2e: 4c 89 fa mov %r15,%rdx 31: 83 e2 07 and $0x7,%edx 34: 38 d0 cmp %dl,%al 36: 7f 08 jg 0x40 38: 84 c0 test %al,%al 3a: 0f 85 7a 02 00 00 jne 0x2ba

Crashes (2):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2022/10/17 11:47	linux-4.19.y	3f8a27f9e27b	67cb024c	.config	console log	report	syz	C		[disk image] [vmlinux]	ci2-linux-4-19	general protection fault in skb_clone
2021/12/12 07:37	linux-4.19.y	3f8a27f9e27b	49ca1f59	.config	console log	report	syz	C			ci2-linux-4-19	general protection fault in skb_clone

Crashes (2):

Assets (help?)