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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: 1 PID: 3590 Comm: syz-executor359 Tainted: G W 5.17.0-syzkaller-07551-g169e77764adc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:llc_ui_connect+0x400/0xcb0 net/llc/af_llc.c:500 Code: 80 3c 02 00 0f 85 fc 07 00 00 4c 8b a5 38 05 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d bc 24 80 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a9 07 00 00 49 8b b4 24 80 03 00 00 4c 89 f2 48 RSP: 0018:ffffc900038dfcc0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888075746000 RCX: 0000000000000000 RDX: 0000000000000070 RSI: ffffc900038dfe3e RDI: 0000000000000380 RBP: ffff8881423a8000 R08: 0000000000000001 R09: ffff8881423a8535 R10: ffffed10284750a6 R11: 0000000000000000 R12: 0000000000000000 R13: ffffc900038dfe37 R14: ffffc900038dfe38 R15: ffff8881423a8012 FS: 0000555555d8a300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000280 CR3: 000000007f17d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> __sys_connect_file+0x155/0x1a0 net/socket.c:1900 __sys_connect+0x161/0x190 net/socket.c:1917 __do_sys_connect net/socket.c:1927 [inline] __se_sys_connect net/socket.c:1924 [inline] __x64_sys_connect+0x6f/0xb0 net/socket.c:1924 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: 0033:0x7f74b59990b9 Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe147b7fa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f74b59990b9 RDX: 0000000000000010 RSI: 0000000020000140 RDI: 0000000000000003 RBP: 00007f74b595d0a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f74b595d130 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:llc_ui_connect+0x400/0xcb0 net/llc/af_llc.c:500 Code: 80 3c 02 00 0f 85 fc 07 00 00 4c 8b a5 38 05 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d bc 24 80 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a9 07 00 00 49 8b b4 24 80 03 00 00 4c 89 f2 48 RSP: 0018:ffffc900038dfcc0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888075746000 RCX: 0000000000000000 RDX: 0000000000000070 RSI: ffffc900038dfe3e RDI: 0000000000000380 RBP: ffff8881423a8000 R08: 0000000000000001 R09: ffff8881423a8535 R10: ffffed10284750a6 R11: 0000000000000000 R12: 0000000000000000 R13: ffffc900038dfe37 R14: ffffc900038dfe38 R15: ffff8881423a8012 FS: 0000555555d8a300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055c5ab377018 CR3: 000000007f17d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 4: 0f 85 fc 07 00 00 jne 0x806 a: 4c 8b a5 38 05 00 00 mov 0x538(%rbp),%r12 11: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 18: fc ff df 1b: 49 8d bc 24 80 03 00 lea 0x380(%r12),%rdi 22: 00 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 a9 07 00 00 jne 0x7dd 34: 49 8b b4 24 80 03 00 mov 0x380(%r12),%rsi 3b: 00 3c: 4c 89 f2 mov %r14,%rdx 3f: 48 rex.W
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/03/25 12:12 | net-old | 169e77764adc | 89bc8608 | .config | console log | report | syz | C | ci-upstream-net-this-kasan-gce | general protection fault in llc_ui_connect | ||
2022/03/25 02:37 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | syz | C | ci-upstream-net-kasan-gce | general protection fault in llc_ui_connect | ||
2022/03/25 23:09 | upstream | 34af78c4e616 | 89bc8608 | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | general protection fault in llc_ui_connect | |||
2022/03/28 20:20 | net-next-old | 169e77764adc | ee339263 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_ui_connect | |||
2022/03/28 05:47 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_ui_connect | |||
2022/03/28 04:56 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_ui_connect | |||
2022/03/28 01:49 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_ui_connect | |||
2022/03/27 14:18 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_ui_connect | |||
2022/03/27 12:25 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_ui_connect | |||
2022/03/27 10:31 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_ui_connect | |||
2022/03/27 08:32 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_ui_connect | |||
2022/03/27 07:16 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_ui_connect | |||
2022/03/26 05:09 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_ui_connect | |||
2022/03/25 22:52 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_ui_connect | |||
2022/03/25 14:17 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_ui_connect | |||
2022/03/25 02:19 | net-next-old | 169e77764adc | 89bc8608 | .config | console log | report | info | ci-upstream-net-kasan-gce | general protection fault in llc_ui_connect | |||
2022/03/25 23:08 | linux-next | fd4fbb998102 | 89bc8608 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | general protection fault in llc_ui_connect |