general protection fault in ipt_do

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	general protection fault in ipt_do_table netfilter	C			21	2474d	2486d	0/28	closed as dup on 2018/02/12 16:31
upstream	BUG: unable to handle kernel paging request in ipt_do_table netfilter				1	1233d	1229d	0/28	auto-closed as invalid on 2021/10/17 23:06
upstream	KASAN: use-after-free Read in ipt_do_table netfilter	syz	error	error	16	808d	956d	0/28	closed as invalid on 2022/11/17 17:58

netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. 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: 0 PID: 17813 Comm: syz-executor.0 Not tainted 4.19.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ipt_do_table+0x38d/0x1820 net/ipv4/netfilter/ip_tables.c:267 Code: 80 3c 11 00 0f 85 b5 13 00 00 48 8b 4c 24 28 89 c0 48 8b 51 38 48 8d 1c c2 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 7e 13 00 00 48 8b 03 48 89 44 24 58 0f 1f 44 00 RSP: 0018:ffff88803d27eee0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000070700 RCX: ffff8880001044c0 RDX: 000000000000e0e0 RSI: ffff888000104500 RDI: ffff8880001044f8 RBP: ffff88803d27f198 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880b4febc80 R13: ffff8880997e0300 R14: ffff88809e3932f0 R15: ffff8880b4febd44 FS: 00007f4c18dad700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000014a53ad CR3: 000000009162e000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ipt_mangle_out net/ipv4/netfilter/iptable_mangle.c:59 [inline] iptable_mangle_hook+0x222/0x550 net/ipv4/netfilter/iptable_mangle.c:84 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0xc5/0x1e0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:244 [inline] __ip_local_out+0x435/0x800 net/ipv4/ip_output.c:114 ip_local_out+0x26/0x170 net/ipv4/ip_output.c:123 __ip_queue_xmit+0x866/0x1b50 net/ipv4/ip_output.c:506 sctp_packet_transmit+0x1e21/0x3660 net/sctp/output.c:641 sctp_outq_flush_transports+0x19d/0x340 net/sctp/outqueue.c:1166 sctp_outq_flush net/sctp/outqueue.c:1214 [inline] sctp_outq_uncork+0x185/0x200 net/sctp/outqueue.c:777 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1328 [inline] sctp_side_effects net/sctp/sm_sideeffect.c:1199 [inline] sctp_do_sm+0x3c9d/0x5110 net/sctp/sm_sideeffect.c:1170 sctp_primitive_ABORT+0x9b/0xc0 net/sctp/primitive.c:119 sctp_close+0x240/0x7f0 net/sctp/socket.c:1558 inet_release+0xd7/0x1e0 net/ipv4/af_inet.c:427 __sock_release+0xcd/0x2a0 net/socket.c:579 sock_close+0x15/0x20 net/socket.c:1140 __fput+0x2ce/0x890 fs/file_table.c:278 task_work_run+0x148/0x1c0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0xbf3/0x2be0 kernel/exit.c:870 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x466459 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4c18dad218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000056bf68 RCX: 0000000000466459 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000056bf68 RBP: 000000000056bf60 R08: 000000000000000e R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf6c R13: 00007ffdcb8124bf R14: 00007f4c18dad300 R15: 0000000000022000 Modules linked in: ---[ end trace 830ec7249824bac6 ]--- RIP: 0010:ipt_do_table+0x38d/0x1820 net/ipv4/netfilter/ip_tables.c:267 Code: 80 3c 11 00 0f 85 b5 13 00 00 48 8b 4c 24 28 89 c0 48 8b 51 38 48 8d 1c c2 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 7e 13 00 00 48 8b 03 48 89 44 24 58 0f 1f 44 00 RSP: 0018:ffff88803d27eee0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000070700 RCX: ffff8880001044c0 RDX: 000000000000e0e0 RSI: ffff888000104500 RDI: ffff8880001044f8 RBP: ffff88803d27f198 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880b4febc80 R13: ffff8880997e0300 R14: ffff88809e3932f0 R15: ffff8880b4febd44 FS: 00007f4c18dad700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000014a53ad CR3: 000000009162e000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400