Oops: general protection fault, probably for non-canonical address 0xf6894cff31c68959: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: maybe wild-memory-access in range [0xb44a87f98e344ac8-0xb44a87f98e344acf]
CPU: 0 UID: 0 PID: 5020 Comm: dhcpcd Not tainted 6.14.0-rc2-syzkaller-00346-gba643b6d8440 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:find_stack lib/stackdepot.c:553 [inline]
RIP: 0010:stack_depot_save_flags+0x1b4/0x940 lib/stackdepot.c:618
Code: 00 31 f6 48 89 d5 4c 89 cb e8 a8 ba c7 ff 49 89 d9 8b 5c 24 04 48 89 ea 4c 8b 44 24 08 45 85 e4 75 67 4d 8b 3f 49 39 d7 74 5c <45> 39 77 10 75 f2 45 39 4f 14 75 ec 31 c0 49 8b 0c c0 49 3b 4c c7
RSP: 0018:ffffc9000cf07570 EFLAGS: 00010287
RAX: ffff88805e200000 RBX: 0000000000000001 RCX: 000000000080a450
RDX: ffff88805ea0a450 RSI: 0000000000000003 RDI: 00000000c9d35875
RBP: 00000000ec7b5ddf R08: ffffc9000cf07620 R09: 0000000000000009
R10: dffffc0000000000 R11: fffffbfff2079baf R12: ffff888033f546f8
R13: 0000000000000009 R14: 0000000022280a45 R15: f6894cff31c68949
FS:  00007fc36063c740(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b2b66f0000 CR3: 0000000043452000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ref_tracker_free+0x114/0x7e0 lib/ref_tracker.c:240
 __netns_tracker_free include/net/net_namespace.h:360 [inline]
 put_net_track include/net/net_namespace.h:375 [inline]
 __sk_destruct+0x37d/0x5f0 net/core/sock.c:2305
 unix_dgram_sendmsg+0x103d/0x1df0 net/unix/af_unix.c:2173
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:733
 sock_write_iter+0x2d7/0x3f0 net/socket.c:1137
 do_iter_readv_writev+0x71a/0x9d0
 vfs_writev+0x38b/0xbc0 fs/read_write.c:1050
 do_writev+0x1b6/0x360 fs/read_write.c:1096
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc36070ae03
Code: 89 c7 48 89 44 24 08 e8 6a f2 f9 ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 14 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6d 48 8b 15 f6 5f 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffc0a4e8b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007ffc0a508f78 RCX: 00007fc36070ae03
RDX: 0000000000000005 RSI: 00007ffc0a4e8b30 RDI: 0000000000000013
RBP: 00007ffc0a508f78 R08: 0000000000000013 R09: 00007ffc0a4e8b70
R10: 00007ffc0a4e8b78 R11: 0000000000000246 R12: 0000563170d8cca0
R13: 00007ffc0a4f8db8 R14: 0000000000000148 R15: 0000000000000004
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:find_stack lib/stackdepot.c:553 [inline]
RIP: 0010:stack_depot_save_flags+0x1b4/0x940 lib/stackdepot.c:618
Code: 00 31 f6 48 89 d5 4c 89 cb e8 a8 ba c7 ff 49 89 d9 8b 5c 24 04 48 89 ea 4c 8b 44 24 08 45 85 e4 75 67 4d 8b 3f 49 39 d7 74 5c <45> 39 77 10 75 f2 45 39 4f 14 75 ec 31 c0 49 8b 0c c0 49 3b 4c c7
RSP: 0018:ffffc9000cf07570 EFLAGS: 00010287
RAX: ffff88805e200000 RBX: 0000000000000001 RCX: 000000000080a450
RDX: ffff88805ea0a450 RSI: 0000000000000003 RDI: 00000000c9d35875
RBP: 00000000ec7b5ddf R08: ffffc9000cf07620 R09: 0000000000000009
R10: dffffc0000000000 R11: fffffbfff2079baf R12: ffff888033f546f8
R13: 0000000000000009 R14: 0000000022280a45 R15: f6894cff31c68949
FS:  00007fc36063c740(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b2b66f0000 CR3: 0000000043452000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	00 31                	add    %dh,(%rcx)
   2:	f6 48 89 d5          	testb  $0xd5,-0x77(%rax)
   6:	4c 89 cb             	mov    %r9,%rbx
   9:	e8 a8 ba c7 ff       	call   0xffc7bab6
   e:	49 89 d9             	mov    %rbx,%r9
  11:	8b 5c 24 04          	mov    0x4(%rsp),%ebx
  15:	48 89 ea             	mov    %rbp,%rdx
  18:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1d:	45 85 e4             	test   %r12d,%r12d
  20:	75 67                	jne    0x89
  22:	4d 8b 3f             	mov    (%r15),%r15
  25:	49 39 d7             	cmp    %rdx,%r15
  28:	74 5c                	je     0x86
* 2a:	45 39 77 10          	cmp    %r14d,0x10(%r15) <-- trapping instruction
  2e:	75 f2                	jne    0x22
  30:	45 39 4f 14          	cmp    %r9d,0x14(%r15)
  34:	75 ec                	jne    0x22
  36:	31 c0                	xor    %eax,%eax
  38:	49 8b 0c c0          	mov    (%r8,%rax,8),%rcx
  3c:	49                   	rex.WB
  3d:	3b                   	.byte 0x3b
  3e:	4c                   	rex.WR
  3f:	c7                   	.byte 0xc7