general protection fault in inherit_task

Date	Name	Commit	Repro	Result
2024/01/26	linux-6.1.y (ToT)	883d1a956208	C	[report] INFO: rcu detected stall in corrupted
2023/10/28	upstream (ToT)	56567a20b22b	C	[report] general protection fault in inherit_task_group
2024/01/26	upstream (ToT)	ecb1b8288dc7	C	Didn't crash

Date

Name

Commit

Repro

Result

2024/01/26

linux-6.1.y (ToT)

883d1a956208

[report] INFO: rcu detected stall in corrupted

2023/10/28

upstream (ToT)

56567a20b22b

[report] general protection fault in inherit_task_group

2024/01/26

upstream (ToT)

ecb1b8288dc7

Didn't crash

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
android-54	general protection fault in inherit_task_group	C			22	13d	278d	0/2	upstream: reported C repro on 2024/02/16 22:46
upstream	general protection fault in inherit_task_group perf	C	done	done	4	389d	387d	25/28	fixed on 2023/12/21 03:45
linux-5.15	general protection fault in inherit_task_group origin:upstream	C		done	4	385d	390d	3/3	fixed on 2023/12/05 18:06
android-6-1	general protection fault in inherit_task_group origin:downstream	C			1	138d	278d	0/2	auto-obsoleted due to no activity on 2024/10/14 11:46
android-5-10	general protection fault in inherit_task_group	C			22	10d	278d	0/2	upstream: reported C repro on 2024/02/16 23:02
android-5-15	general protection fault in inherit_task_group origin:downstream	C			7	26d	278d	0/2	upstream: reported C repro on 2024/02/16 23:09

Created	Duration	User	Repo	Result
2024/01/29 13:25	2h27m	fix candidate	upstream	OK (0) job log
2024/01/27 03:16	2h09m	bisect fix	linux-6.1.y	OK (0) job log log
2023/12/27 17:31	1h58m	bisect fix	linux-6.1.y	OK (0) job log log
2023/11/27 11:05	2h03m	bisect fix	linux-6.1.y	OK (0) job log log

Created

Duration

User

Patch

Repo

Result

2024/01/29 13:25

2h27m

fix candidate

upstream

OK (0) job log

2024/01/27 03:16

2h09m

bisect fix

linux-6.1.y

OK (0) job log log

2023/12/27 17:31

1h58m

bisect fix

linux-6.1.y

OK (0) job log log

2023/11/27 11:05

2h03m

bisect fix

linux-6.1.y

OK (0) job log log

general protection fault, probably for non-canonical address 0xdffffc0000000011: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000088-0x000000000000008f] CPU: 0 PID: 16899 Comm: syz-executor297 Not tainted 6.1.60-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 RIP: 0010:inherit_group kernel/events/core.c:13296 [inline] RIP: 0010:inherit_task_group+0x343/0x7f0 kernel/events/core.c:13343 Code: 81 c3 8c 00 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 52 04 00 00 8b 1b 49 81 c6 8c 00 00 00 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 52 04 00 00 41 89 1e e9 cb fd ff ff 4c RSP: 0018:ffffc9000cb1f8f0 EFLAGS: 00010207 RAX: 0000000000000011 RBX: 0000000000000000 RCX: ffff888078ee1dc0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88801f374dc0 RBP: ffff88801f374d40 R08: ffffffff81b3c25b R09: fffffbfff209185d R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8880187cbb80 R14: 000000000000008c R15: ffff88801f374d40 FS: 00007fed8ebcd6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fed8ec38d20 CR3: 000000006be58000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> perf_event_init_context kernel/events/core.c:13412 [inline] perf_event_init_task+0x355/0x7a0 kernel/events/core.c:13465 copy_process+0x1737/0x4060 kernel/fork.c:2241 kernel_clone+0x222/0x920 kernel/fork.c:2682 __do_sys_clone kernel/fork.c:2823 [inline] __se_sys_clone kernel/fork.c:2807 [inline] __x64_sys_clone+0x231/0x280 kernel/fork.c:2807 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fed8ec0c519 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fed8ebcd228 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fed8ec96308 RCX: 00007fed8ec0c519 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fed8ec96300 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fed8ec9630c R13: 0000000000000005 R14: 00007fffaa248db0 R15: 00007fffaa248e98 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:inherit_group kernel/events/core.c:13296 [inline] RIP: 0010:inherit_task_group+0x343/0x7f0 kernel/events/core.c:13343 Code: 81 c3 8c 00 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 52 04 00 00 8b 1b 49 81 c6 8c 00 00 00 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 52 04 00 00 41 89 1e e9 cb fd ff ff 4c RSP: 0018:ffffc9000cb1f8f0 EFLAGS: 00010207 RAX: 0000000000000011 RBX: 0000000000000000 RCX: ffff888078ee1dc0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88801f374dc0 RBP: ffff88801f374d40 R08: ffffffff81b3c25b R09: fffffbfff209185d R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8880187cbb80 R14: 000000000000008c R15: ffff88801f374d40 FS: 00007fed8ebcd6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fed8ec38d20 CR3: 000000006be58000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 81 c3 8c 00 00 00 add $0x8c,%ebx 6: 48 89 d8 mov %rbx,%rax 9: 48 c1 e8 03 shr $0x3,%rax d: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax 12: 84 c0 test %al,%al 14: 0f 85 52 04 00 00 jne 0x46c 1a: 8b 1b mov (%rbx),%ebx 1c: 49 81 c6 8c 00 00 00 add $0x8c,%r14 23: 4c 89 f0 mov %r14,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax <-- trapping instruction 2f: 84 c0 test %al,%al 31: 0f 85 52 04 00 00 jne 0x489 37: 41 89 1e mov %ebx,(%r14) 3a: e9 cb fd ff ff jmp 0xfffffe0a 3f: 4c rex.WR

Crashes (3):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	Assets (help?)	Manager	Title
2023/10/28 07:13	linux-6.1.y	32c9cdbe383c	3c418d72	.config	console log	report	syz	C	[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan-perf	general protection fault in inherit_task_group
2023/10/28 06:05	linux-6.1.y	32c9cdbe383c	3c418d72	.config	console log	report	syz		[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan-perf	general protection fault in inherit_task_group
2023/10/28 05:23	linux-6.1.y	32c9cdbe383c	3c418d72	.config	console log	report	syz		[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan-perf	general protection fault in inherit_task_group

Crashes (3):

Assets (help?)