general protection fault in free_verifier

Title	Replies (including bot)	Last reply
[PATCH bpf-next] bpf: Fix error path under memory pressure	4 (4)	2020/01/22 15:56
general protection fault in free_verifier_state (3)	1 (3)	2020/01/21 19:16

Title

Replies (including bot)

Last reply

[PATCH bpf-next] bpf: Fix error path under memory pressure

4 (4)

2020/01/22 15:56

general protection fault in free_verifier_state (3)

1 (3)

2020/01/21 19:16

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	general protection fault in free_verifier_state (2) bpf	C			2	2297d	2297d	4/26	fixed on 2018/02/01 04:00
upstream	general protection fault in free_verifier_state bpf	C			2	2315d	2315d	3/26	fixed on 2017/12/27 08:45

RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441339 RDX: 0000000000000048 RSI: 00000000200017c0 RDI: 0000000000000005 RBP: 00000000006cc018 R08: 0000000000000002 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402280 R13: 0000000000402310 R14: 0000000000000000 R15: 0000000000000000 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 9996 Comm: syz-executor310 Not tainted 5.5.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:free_verifier_state+0x49/0x1d0 kernel/bpf/verifier.c:744 Code: db 48 83 ec 20 48 89 45 b8 48 c1 e8 03 4c 01 f8 89 75 c4 48 89 45 c8 e8 05 9c f2 ff 4c 63 f3 4f 8d 2c f4 4c 89 e8 48 c1 e8 03 <42> 80 3c 38 00 0f 85 2b 01 00 00 4f 8d 34 f4 49 8b 3e 48 85 ff 48 RSP: 0018:ffffc90002007688 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8184dd58 RDX: 0000000000000000 RSI: ffffffff8182644b RDI: 0000000000000000 RBP: ffffc900020076d0 R08: ffff888098656280 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 000000000236b880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 0000000098345000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_check_common+0x2ec7/0x9650 kernel/bpf/verifier.c:9597 do_check_main kernel/bpf/verifier.c:9654 [inline] bpf_check+0x84ed/0xbb07 kernel/bpf/verifier.c:10009 bpf_prog_load+0xeab/0x17f0 kernel/bpf/syscall.c:2095 __do_sys_bpf+0x1521/0x41e0 kernel/bpf/syscall.c:3387 __se_sys_bpf kernel/bpf/syscall.c:3346 [inline] __x64_sys_bpf+0x73/0xb0 kernel/bpf/syscall.c:3346 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441339 Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 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 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffe7971f348 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441339 RDX: 0000000000000048 RSI: 00000000200017c0 RDI: 0000000000000005 RBP: 00000000006cc018 R08: 0000000000000002 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402280 R13: 0000000000402310 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace af38d247c1b207c2 ]--- RIP: 0010:free_verifier_state+0x49/0x1d0 kernel/bpf/verifier.c:744 Code: db 48 83 ec 20 48 89 45 b8 48 c1 e8 03 4c 01 f8 89 75 c4 48 89 45 c8 e8 05 9c f2 ff 4c 63 f3 4f 8d 2c f4 4c 89 e8 48 c1 e8 03 <42> 80 3c 38 00 0f 85 2b 01 00 00 4f 8d 34 f4 49 8b 3e 48 85 ff 48 RSP: 0018:ffffc90002007688 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8184dd58 RDX: 0000000000000000 RSI: ffffffff8182644b RDI: 0000000000000000 RBP: ffffc900020076d0 R08: ffff888098656280 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 000000000236b880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 0000000098345000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (5):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	Manager
2020/01/21 19:04	bpf-next	2e3a94aa2bfc	8eda0b95	.config	console log	report	syz	C	ci-upstream-bpf-next-kasan-gce
2020/01/21 18:39	bpf-next	2e3a94aa2bfc	8eda0b95	.config	console log	report			ci-upstream-bpf-next-kasan-gce
2020/01/15 21:28	bpf-next	5640a771d797	f9b69507	.config	console log	report			ci-upstream-bpf-next-kasan-gce
2020/01/14 18:16	bpf-next	6dd42aa17fdd	32881205	.config	console log	report			ci-upstream-bpf-next-kasan-gce
2020/01/11 11:23	bpf-next	ac065870d928	4c04afaa	.config	console log	report			ci-upstream-bpf-next-kasan-gce

Crashes (5):

Assets (help?)