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general protection fault, probably for non-canonical address 0xdffffc0000000070: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000380-0x0000000000000387] CPU: 0 PID: 4667 Comm: syz-executor370 Not tainted 5.17.0-rc8-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:llc_build_and_send_ui_pkt+0x1b4/0x280 net/llc/llc_output.c:65 Code: 48 c1 ea 03 80 3c 02 00 0f 85 d3 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 5d 10 48 8d bb 80 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 99 00 00 00 48 8b b3 80 03 00 00 4c 89 ea 48 89 RSP: 0018:ffffc9000407f890 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000070 RSI: ffffffff872b72b7 RDI: 0000000000000380 RBP: ffff888022bcb280 R08: 0000000000000000 R09: 0000000000000002 R10: ffffffff874f9c76 R11: 0000000000000002 R12: ffff88807a3c4400 R13: ffff888146d4d510 R14: 0000000000000005 R15: 0000000000000005 FS: 00007fbf45da8700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbf45e40bf0 CR3: 00000000798cf000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> llc_ui_sendmsg+0x7be/0x10d0 net/llc/af_llc.c:967 sock_sendmsg_nosec net/socket.c:705 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:725 ____sys_sendmsg+0x331/0x810 net/socket.c:2413 ___sys_sendmsg+0xf3/0x170 net/socket.c:2467 __sys_sendmmsg+0x195/0x470 net/socket.c:2553 __do_sys_sendmmsg net/socket.c:2582 [inline] __se_sys_sendmmsg net/socket.c:2579 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2579 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fbf45dff369 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 18 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbf45da8318 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007fbf45e80488 RCX: 00007fbf45dff369 RDX: 03fffffffffffeed RSI: 0000000020001380 RDI: 0000000000000003 RBP: 00007fbf45e80480 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbf45e8048c R13: 00007ffdaa49ca3f R14: 00007fbf45da8400 R15: 0000000000022000 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:llc_build_and_send_ui_pkt+0x1b4/0x280 net/llc/llc_output.c:65 Code: 48 c1 ea 03 80 3c 02 00 0f 85 d3 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 5d 10 48 8d bb 80 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 99 00 00 00 48 8b b3 80 03 00 00 4c 89 ea 48 89 RSP: 0018:ffffc9000407f890 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000070 RSI: ffffffff872b72b7 RDI: 0000000000000380 RBP: ffff888022bcb280 R08: 0000000000000000 R09: 0000000000000002 R10: ffffffff874f9c76 R11: 0000000000000002 R12: ffff88807a3c4400 R13: ffff888146d4d510 R14: 0000000000000005 R15: 0000000000000005 FS: 00007fbf45da8700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020003038 CR3: 00000000798cf000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 48 c1 ea 03 shr $0x3,%rdx 4: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 8: 0f 85 d3 00 00 00 jne 0xe1 e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 15: fc ff df 18: 48 8b 5d 10 mov 0x10(%rbp),%rbx 1c: 48 8d bb 80 03 00 00 lea 0x380(%rbx),%rdi 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 99 00 00 00 jne 0xcd 34: 48 8b b3 80 03 00 00 mov 0x380(%rbx),%rsi 3b: 4c 89 ea mov %r13,%rdx 3e: 48 rex.W 3f: 89 .byte 0x89
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/03/24 20:29 | net-next-old | 89695196f0ba | 89bc8608 | .config | console log | report | syz | C | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | ||
2022/03/28 02:38 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/27 20:02 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/27 16:21 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/27 14:24 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/27 10:21 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/27 07:17 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/27 06:59 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/27 06:15 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/26 22:05 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/26 20:14 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/26 20:12 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/26 16:01 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/26 13:03 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/26 06:28 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/26 04:57 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/26 04:40 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/25 23:07 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/25 23:05 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/25 21:58 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/25 15:06 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/25 06:17 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/25 02:20 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/24 22:35 | net-next-old | 89695196f0ba | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/24 20:00 | net-next-old | 89695196f0ba | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_build_and_send_ui_pkt | |||
2022/03/25 23:25 | linux-next | fd4fbb998102 | 89bc8608 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | general protection fault in llc_build_and_send_ui_pkt |