pkg/report: exclude crc implementations from guilty files

If these happen to be in the stack frames, in almost all cases it will
be due to a bug in the calling code.

See the discussion in #5784.

1 files changed, 101 insertions, 0 deletions

diff --git a/pkg/report/testdata/linux/guilty/66 b/pkg/report/testdata/linux/guilty/66
new file mode 100644
index 000000000..0f775bbe2
--- /dev/null
+++ b/pkg/report/testdata/linux/guilty/66
@@ -0,0 +1,101 @@
+FILE: net/mac80211/wep.c
+
+BUG: unable to handle page fault for address: ffff8880bfffd000
+#PF: supervisor read access in kernel mode
+#PF: error_code(0x0000) - not-present page
+PGD 1a201067 P4D 1a201067 PUD 23ffff067 PMD 23fffe067 PTE 0
+Oops: Oops: 0000 [#1] SMP KASAN PTI
+CPU: 1 UID: 0 PID: 8097 Comm: syz.1.594 Not tainted 6.16.0-rc5-syzkaller-00183-g5e28d5a3f774 #0 PREEMPT(full) 
+Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
+RIP: 0010:crc32_lsb_pclmul_sse+0x8f/0x220 arch/x86/lib/crc32-pclmul.S:6
+Code: 0f 3a 44 c7 11 66 0f ef ec 66 0f ef c5 f3 0f 6f 66 10 66 0f 6f e9 66 0f 3a 44 ef 00 66 0f 3a 44 cf 11 66 0f ef ec 66 0f ef cd <f3> 0f 6f 66 20 66 0f 6f ea 66 0f 3a 44 ef 00 66 0f 3a 44 d7 11 66
+RSP: 0018:ffffc9001bcae6f8 EFLAGS: 00010296
+RAX: e4cc01b02de40500 RBX: fffffffffffffffe RCX: ffffffff8be53dc0
+RDX: ffffffff7301ca7e RSI: ffff8880bfffcfde RDI: 00000000ffffffff
+RBP: 00000000ffffffff R08: ffff88801cb09e07 R09: 1ffff110039613c0
+R10: dffffc0000000000 R11: ffffed10039613c1 R12: fffffffffffffffe
+R13: ffff888033019a5e R14: ffff888033019a5e R15: ffff888067eeec80
+FS:  00007f4779be36c0(0000) GS:ffff888125d1b000(0000) knlGS:0000000000000000
+CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+CR2: ffff8880bfffd000 CR3: 00000000671a8000 CR4: 00000000003526f0
+Call Trace:
+ <TASK>
+ crc32_le_arch+0x56/0xa0 arch/x86/lib/crc32.c:21
+ crc32_le include/linux/crc32.h:18 [inline]
+ ieee80211_wep_encrypt_data net/mac80211/wep.c:114 [inline]
+ ieee80211_wep_encrypt+0x228/0x410 net/mac80211/wep.c:158
+ wep_encrypt_skb net/mac80211/wep.c:277 [inline]
+ ieee80211_crypto_wep_encrypt+0x1f6/0x320 net/mac80211/wep.c:300
+ invoke_tx_handlers_late+0x1145/0x1820 net/mac80211/tx.c:1846
+ ieee80211_tx_dequeue+0x3068/0x4340 net/mac80211/tx.c:3916
+ wake_tx_push_queue net/mac80211/util.c:294 [inline]
+ ieee80211_handle_wake_tx_queue+0x125/0x2a0 net/mac80211/util.c:315
+ drv_wake_tx_queue net/mac80211/driver-ops.h:1367 [inline]
+ schedule_and_wake_txq net/mac80211/driver-ops.h:1374 [inline]
+ ieee80211_queue_skb+0x19e8/0x2180 net/mac80211/tx.c:1648
+ ieee80211_tx+0x297/0x420 net/mac80211/tx.c:1951
+ __ieee80211_tx_skb_tid_band+0x50f/0x680 net/mac80211/tx.c:6103
+ ieee80211_tx_skb_tid+0x266/0x420 net/mac80211/tx.c:6131
+ ieee80211_mgmt_tx+0x1c25/0x21d0 net/mac80211/offchannel.c:1023
+ rdev_mgmt_tx net/wireless/rdev-ops.h:762 [inline]
+ cfg80211_mlme_mgmt_tx+0x7f2/0x1620 net/wireless/mlme.c:938
+ nl80211_tx_mgmt+0x9fd/0xd50 net/wireless/nl80211.c:12921
+ genl_family_rcv_msg_doit+0x215/0x300 net/netlink/genetlink.c:1115
+ genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
+ genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210
+ netlink_rcv_skb+0x205/0x470 net/netlink/af_netlink.c:2552
+ genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
+ netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
+ netlink_unicast+0x75c/0x8e0 net/netlink/af_netlink.c:1346
+ netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896
+ sock_sendmsg_nosec net/socket.c:712 [inline]
+ __sock_sendmsg+0x219/0x270 net/socket.c:727
+ ____sys_sendmsg+0x505/0x830 net/socket.c:2566
+ ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620
+ __sys_sendmsg net/socket.c:2652 [inline]
+ __do_sys_sendmsg net/socket.c:2657 [inline]
+ __se_sys_sendmsg net/socket.c:2655 [inline]
+ __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2655
+ do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
+ do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
+ entry_SYSCALL_64_after_hwframe+0x77/0x7f
+RIP: 0033:0x7f4778d8e929
+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 a8 ff ff ff f7 d8 64 89 01 48
+RSP: 002b:00007f4779be3038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
+RAX: ffffffffffffffda RBX: 00007f4778fb6080 RCX: 00007f4778d8e929
+RDX: 0000000024008080 RSI: 0000200000000c00 RDI: 0000000000000005
+RBP: 00007f4778e10b39 R08: 0000000000000000 R09: 0000000000000000
+R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
+R13: 0000000000000000 R14: 00007f4778fb6080 R15: 00007ffff7e551c8
+ </TASK>
+Modules linked in:
+CR2: ffff8880bfffd000
+---[ end trace 0000000000000000 ]---
+RIP: 0010:crc32_lsb_pclmul_sse+0x8f/0x220 arch/x86/lib/crc32-pclmul.S:6
+Code: 0f 3a 44 c7 11 66 0f ef ec 66 0f ef c5 f3 0f 6f 66 10 66 0f 6f e9 66 0f 3a 44 ef 00 66 0f 3a 44 cf 11 66 0f ef ec 66 0f ef cd <f3> 0f 6f 66 20 66 0f 6f ea 66 0f 3a 44 ef 00 66 0f 3a 44 d7 11 66
+RSP: 0018:ffffc9001bcae6f8 EFLAGS: 00010296
+RAX: e4cc01b02de40500 RBX: fffffffffffffffe RCX: ffffffff8be53dc0
+RDX: ffffffff7301ca7e RSI: ffff8880bfffcfde RDI: 00000000ffffffff
+RBP: 00000000ffffffff R08: ffff88801cb09e07 R09: 1ffff110039613c0
+R10: dffffc0000000000 R11: ffffed10039613c1 R12: fffffffffffffffe
+R13: ffff888033019a5e R14: ffff888033019a5e R15: ffff888067eeec80
+FS:  00007f4779be36c0(0000) GS:ffff888125d1b000(0000) knlGS:0000000000000000
+CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+CR2: ffff8880bfffd000 CR3: 00000000671a8000 CR4: 00000000003526f0
+----------------
+Code disassembly (best guess), 1 bytes skipped:
+   0:	3a 44 c7 11          	cmp    0x11(%rdi,%rax,8),%al
+   4:	66 0f ef ec          	pxor   %xmm4,%xmm5
+   8:	66 0f ef c5          	pxor   %xmm5,%xmm0
+   c:	f3 0f 6f 66 10       	movdqu 0x10(%rsi),%xmm4
+  11:	66 0f 6f e9          	movdqa %xmm1,%xmm5
+  15:	66 0f 3a 44 ef 00    	pclmullqlqdq %xmm7,%xmm5
+  1b:	66 0f 3a 44 cf 11    	pclmulhqhqdq %xmm7,%xmm1
+  21:	66 0f ef ec          	pxor   %xmm4,%xmm5
+  25:	66 0f ef cd          	pxor   %xmm5,%xmm1
+* 29:	f3 0f 6f 66 20       	movdqu 0x20(%rsi),%xmm4 <-- trapping instruction
+  2e:	66 0f 6f ea          	movdqa %xmm2,%xmm5
+  32:	66 0f 3a 44 ef 00    	pclmullqlqdq %xmm7,%xmm5
+  38:	66 0f 3a 44 d7 11    	pclmulhqhqdq %xmm7,%xmm2
+  3e:	66                   	data16
+  
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