Title | Replies (including bot) | Last reply |
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[PATCH bpf-next] bpf: Check IS_ERR for the bpf_map_get() return value | 4 (4) | 2023/03/24 19:50 |
[syzbot] [bpf?] [net?] general protection fault in bpf_struct_ops_link_create | 2 (3) | 2023/03/24 18:22 |
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Title | Replies (including bot) | Last reply |
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[PATCH bpf-next] bpf: Check IS_ERR for the bpf_map_get() return value | 4 (4) | 2023/03/24 19:50 |
[syzbot] [bpf?] [net?] general protection fault in bpf_struct_ops_link_create | 2 (3) | 2023/03/24 18:22 |
general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 1 PID: 5081 Comm: syz-executor182 Not tainted 6.2.0-syzkaller-13084-g226bc6ae6405 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:bpf_struct_ops_valid_to_reg kernel/bpf/bpf_struct_ops.c:764 [inline] RIP: 0010:bpf_struct_ops_link_create+0xb1/0x390 kernel/bpf/bpf_struct_ops.c:879 Code: 95 81 eb ff 48 85 c0 48 89 c5 0f 84 9e 02 00 00 e8 24 27 dd ff 48 8d 7d 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 60 02 00 00 44 8b 65 18 bf 1a RSP: 0018:ffffc90003b8fc38 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: 1ffff92000771f87 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff81a7dc8c RDI: 000000000000000f RBP: fffffffffffffff7 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: 000000000000002c R14: ffffc90003b8fde8 R15: 0000000000000000 FS: 0000555556538300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000eaa388 CR3: 00000000206d2000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> link_create kernel/bpf/syscall.c:4585 [inline] __sys_bpf+0x3b77/0x53b0 kernel/bpf/syscall.c:5129 __do_sys_bpf kernel/bpf/syscall.c:5163 [inline] __se_sys_bpf kernel/bpf/syscall.c:5161 [inline] __x64_sys_bpf+0x79/0xc0 kernel/bpf/syscall.c:5161 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc374490ae9 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:00007fffe2184578 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc374490ae9 RDX: 0000000000000010 RSI: 0000000020001340 RDI: 000000000000001c RBP: 00007fc374454c90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fc374454d20 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bpf_struct_ops_valid_to_reg kernel/bpf/bpf_struct_ops.c:764 [inline] RIP: 0010:bpf_struct_ops_link_create+0xb1/0x390 kernel/bpf/bpf_struct_ops.c:879 Code: 95 81 eb ff 48 85 c0 48 89 c5 0f 84 9e 02 00 00 e8 24 27 dd ff 48 8d 7d 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 60 02 00 00 44 8b 65 18 bf 1a RSP: 0018:ffffc90003b8fc38 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: 1ffff92000771f87 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff81a7dc8c RDI: 000000000000000f RBP: fffffffffffffff7 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: 000000000000002c R14: ffffc90003b8fde8 R15: 0000000000000000 FS: 0000555556538300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000eaa388 CR3: 00000000206d2000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 95 xchg %eax,%ebp 1: 81 eb ff 48 85 c0 sub $0xc08548ff,%ebx 7: 48 89 c5 mov %rax,%rbp a: 0f 84 9e 02 00 00 je 0x2ae 10: e8 24 27 dd ff callq 0xffdd2739 15: 48 8d 7d 18 lea 0x18(%rbp),%rdi 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 74 08 je 0x3a 32: 3c 03 cmp $0x3,%al 34: 0f 8e 60 02 00 00 jle 0x29a 3a: 44 8b 65 18 mov 0x18(%rbp),%r12d 3e: bf .byte 0xbf 3f: 1a .byte 0x1a
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/03/24 00:52 | bpf-next | 226bc6ae6405 | f94b4a29 | .config | strace log | report | syz | C | ci-upstream-bpf-next-kasan-gce | general protection fault in bpf_struct_ops_link_create | ||
2023/03/24 14:36 | bpf-next | 226bc6ae6405 | f94b4a29 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | general protection fault in bpf_struct_ops_link_create | |||
2023/03/24 11:58 | bpf-next | 226bc6ae6405 | f94b4a29 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | general protection fault in bpf_struct_ops_link_create | |||
2023/03/24 11:14 | bpf-next | 226bc6ae6405 | f94b4a29 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | general protection fault in bpf_struct_ops_link_create | |||
2023/03/24 10:18 | bpf-next | 226bc6ae6405 | f94b4a29 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | general protection fault in bpf_struct_ops_link_create | |||
2023/03/24 09:28 | bpf-next | 226bc6ae6405 | f94b4a29 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | general protection fault in bpf_struct_ops_link_create | |||
2023/03/24 08:29 | bpf-next | 226bc6ae6405 | f94b4a29 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | general protection fault in bpf_struct_ops_link_create | |||
2023/03/24 06:25 | bpf-next | 226bc6ae6405 | f94b4a29 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | general protection fault in bpf_struct_ops_link_create | |||
2023/03/24 05:54 | bpf-next | 226bc6ae6405 | f94b4a29 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | general protection fault in bpf_struct_ops_link_create | |||
2023/03/24 05:01 | bpf-next | 226bc6ae6405 | f94b4a29 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | general protection fault in bpf_struct_ops_link_create | |||
2023/03/24 03:08 | bpf-next | 226bc6ae6405 | f94b4a29 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | general protection fault in bpf_struct_ops_link_create | |||
2023/03/24 02:28 | bpf-next | 226bc6ae6405 | f94b4a29 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | general protection fault in bpf_struct_ops_link_create | |||
2023/03/24 00:36 | bpf-next | 226bc6ae6405 | f94b4a29 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | general protection fault in bpf_struct_ops_link_create | |||
2023/03/26 17:40 | linux-next | e5dbf24e8b9e | fbf0499a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | general protection fault in bpf_struct_ops_link_create | ||
2023/03/26 02:24 | linux-next | e5dbf24e8b9e | fbf0499a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | general protection fault in bpf_struct_ops_link_create | ||
2023/03/25 22:59 | linux-next | e5dbf24e8b9e | fbf0499a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | general protection fault in bpf_struct_ops_link_create | ||
2023/03/25 13:39 | linux-next | e5dbf24e8b9e | fbf0499a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | general protection fault in bpf_struct_ops_link_create |