github.com/google/syzkaller@v0.0.0-20251211124644-a066d2bc4b02/pkg/report/testdata/linux/guilty/66 (about) 1 FILE: net/mac80211/wep.c 2 3 BUG: unable to handle page fault for address: ffff8880bfffd000 4 #PF: supervisor read access in kernel mode 5 #PF: error_code(0x0000) - not-present page 6 PGD 1a201067 P4D 1a201067 PUD 23ffff067 PMD 23fffe067 PTE 0 7 Oops: Oops: 0000 [#1] SMP KASAN PTI 8 CPU: 1 UID: 0 PID: 8097 Comm: syz.1.594 Not tainted 6.16.0-rc5-syzkaller-00183-g5e28d5a3f774 #0 PREEMPT(full) 9 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 10 RIP: 0010:crc32_lsb_pclmul_sse+0x8f/0x220 arch/x86/lib/crc32-pclmul.S:6 11 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 12 RSP: 0018:ffffc9001bcae6f8 EFLAGS: 00010296 13 RAX: e4cc01b02de40500 RBX: fffffffffffffffe RCX: ffffffff8be53dc0 14 RDX: ffffffff7301ca7e RSI: ffff8880bfffcfde RDI: 00000000ffffffff 15 RBP: 00000000ffffffff R08: ffff88801cb09e07 R09: 1ffff110039613c0 16 R10: dffffc0000000000 R11: ffffed10039613c1 R12: fffffffffffffffe 17 R13: ffff888033019a5e R14: ffff888033019a5e R15: ffff888067eeec80 18 FS: 00007f4779be36c0(0000) GS:ffff888125d1b000(0000) knlGS:0000000000000000 19 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 20 CR2: ffff8880bfffd000 CR3: 00000000671a8000 CR4: 00000000003526f0 21 Call Trace: 22 <TASK> 23 crc32_le_arch+0x56/0xa0 arch/x86/lib/crc32.c:21 24 crc32_le include/linux/crc32.h:18 [inline] 25 ieee80211_wep_encrypt_data net/mac80211/wep.c:114 [inline] 26 ieee80211_wep_encrypt+0x228/0x410 net/mac80211/wep.c:158 27 wep_encrypt_skb net/mac80211/wep.c:277 [inline] 28 ieee80211_crypto_wep_encrypt+0x1f6/0x320 net/mac80211/wep.c:300 29 invoke_tx_handlers_late+0x1145/0x1820 net/mac80211/tx.c:1846 30 ieee80211_tx_dequeue+0x3068/0x4340 net/mac80211/tx.c:3916 31 wake_tx_push_queue net/mac80211/util.c:294 [inline] 32 ieee80211_handle_wake_tx_queue+0x125/0x2a0 net/mac80211/util.c:315 33 drv_wake_tx_queue net/mac80211/driver-ops.h:1367 [inline] 34 schedule_and_wake_txq net/mac80211/driver-ops.h:1374 [inline] 35 ieee80211_queue_skb+0x19e8/0x2180 net/mac80211/tx.c:1648 36 ieee80211_tx+0x297/0x420 net/mac80211/tx.c:1951 37 __ieee80211_tx_skb_tid_band+0x50f/0x680 net/mac80211/tx.c:6103 38 ieee80211_tx_skb_tid+0x266/0x420 net/mac80211/tx.c:6131 39 ieee80211_mgmt_tx+0x1c25/0x21d0 net/mac80211/offchannel.c:1023 40 rdev_mgmt_tx net/wireless/rdev-ops.h:762 [inline] 41 cfg80211_mlme_mgmt_tx+0x7f2/0x1620 net/wireless/mlme.c:938 42 nl80211_tx_mgmt+0x9fd/0xd50 net/wireless/nl80211.c:12921 43 genl_family_rcv_msg_doit+0x215/0x300 net/netlink/genetlink.c:1115 44 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] 45 genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210 46 netlink_rcv_skb+0x205/0x470 net/netlink/af_netlink.c:2552 47 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 48 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] 49 netlink_unicast+0x75c/0x8e0 net/netlink/af_netlink.c:1346 50 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896 51 sock_sendmsg_nosec net/socket.c:712 [inline] 52 __sock_sendmsg+0x219/0x270 net/socket.c:727 53 ____sys_sendmsg+0x505/0x830 net/socket.c:2566 54 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620 55 __sys_sendmsg net/socket.c:2652 [inline] 56 __do_sys_sendmsg net/socket.c:2657 [inline] 57 __se_sys_sendmsg net/socket.c:2655 [inline] 58 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2655 59 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] 60 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 61 entry_SYSCALL_64_after_hwframe+0x77/0x7f 62 RIP: 0033:0x7f4778d8e929 63 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 64 RSP: 002b:00007f4779be3038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 65 RAX: ffffffffffffffda RBX: 00007f4778fb6080 RCX: 00007f4778d8e929 66 RDX: 0000000024008080 RSI: 0000200000000c00 RDI: 0000000000000005 67 RBP: 00007f4778e10b39 R08: 0000000000000000 R09: 0000000000000000 68 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 69 R13: 0000000000000000 R14: 00007f4778fb6080 R15: 00007ffff7e551c8 70 </TASK> 71 Modules linked in: 72 CR2: ffff8880bfffd000 73 ---[ end trace 0000000000000000 ]--- 74 RIP: 0010:crc32_lsb_pclmul_sse+0x8f/0x220 arch/x86/lib/crc32-pclmul.S:6 75 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 76 RSP: 0018:ffffc9001bcae6f8 EFLAGS: 00010296 77 RAX: e4cc01b02de40500 RBX: fffffffffffffffe RCX: ffffffff8be53dc0 78 RDX: ffffffff7301ca7e RSI: ffff8880bfffcfde RDI: 00000000ffffffff 79 RBP: 00000000ffffffff R08: ffff88801cb09e07 R09: 1ffff110039613c0 80 R10: dffffc0000000000 R11: ffffed10039613c1 R12: fffffffffffffffe 81 R13: ffff888033019a5e R14: ffff888033019a5e R15: ffff888067eeec80 82 FS: 00007f4779be36c0(0000) GS:ffff888125d1b000(0000) knlGS:0000000000000000 83 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 84 CR2: ffff8880bfffd000 CR3: 00000000671a8000 CR4: 00000000003526f0 85 ---------------- 86 Code disassembly (best guess), 1 bytes skipped: 87 0: 3a 44 c7 11 cmp 0x11(%rdi,%rax,8),%al 88 4: 66 0f ef ec pxor %xmm4,%xmm5 89 8: 66 0f ef c5 pxor %xmm5,%xmm0 90 c: f3 0f 6f 66 10 movdqu 0x10(%rsi),%xmm4 91 11: 66 0f 6f e9 movdqa %xmm1,%xmm5 92 15: 66 0f 3a 44 ef 00 pclmullqlqdq %xmm7,%xmm5 93 1b: 66 0f 3a 44 cf 11 pclmulhqhqdq %xmm7,%xmm1 94 21: 66 0f ef ec pxor %xmm4,%xmm5 95 25: 66 0f ef cd pxor %xmm5,%xmm1 96 * 29: f3 0f 6f 66 20 movdqu 0x20(%rsi),%xmm4 <-- trapping instruction 97 2e: 66 0f 6f ea movdqa %xmm2,%xmm5 98 32: 66 0f 3a 44 ef 00 pclmullqlqdq %xmm7,%xmm5 99 38: 66 0f 3a 44 d7 11 pclmulhqhqdq %xmm7,%xmm2 100 3e: 66 data16 101