WARNING in perf_cgroup_switch

[cheung wall]

Hello,

when using Healer to fuzz the latest Linux Kernel, the following crash

was triggered on:


HEAD commit: 90d35da658da8cff0d4ecbb5113f5fac9d00eb72  (tag: v6.8-rc7)

git tree: upstream

console output: https://pastebin.com/raw/JUHdKvrL

kernel config: https://pastebin.com/raw/UriWWdtC

C reproducer: https://pastebin.com/raw/LbJ4dUAF

Syzlang reproducer: https://pastebin.com/raw/anTbwgS5

If you fix this issue, please add the following tag to the commit:

Reported-by: Qiang Zhang <zzqq0103.hey@xxxxxxxxx>

----------------------------------------------------------

------------[ cut here ]------------
WARNING: CPU: 0 PID: 191666 at kernel/events/core.c:859
perf_cgroup_switch+0x204/0x270 kernel/events/core.c:859
Modules linked in:
CPU: 0 PID: 191666 Comm: syz-executor.6 Not tainted 6.8.0-rc7 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
1.13.0-1ubuntu1.1 04/01/2014
RIP: 0010:perf_cgroup_switch+0x204/0x270 kernel/events/core.c:859
Code: ef ff 4c 89 e7 e8 6c 88 8c 02 e8 f7 eb ef ff 48 89 ef e8 5f 88
8c 02 5b 5d 41 5c 41 5d 41 5e e9 e2 eb ef ff e8 dd eb ef ff 90 <0f> 0b
90 e9 89 fe ff ff e8 5f b4 1c 00 e9 71 fe ff ff 4c 89 e7 e8
RSP: 0018:ffff88816802f8c8 EFLAGS: 00010012
RAX: ffff888104952f80 RBX: ffffffffa9c143c0 RCX: ffffffffa64e48c3
RDX: 0000000040000000 RSI: 0000000000000004 RDI: ffff8881c0034084
RBP: ffff8881c0033fc0 R08: 0000000000002001 R09: fffffbfff548507b
R10: fffffbfff548507a R11: ffffffffaa4283d3 R12: ffff8881c00340b0
R13: 0000000000000000 R14: ffff8881049538d8 R15: ffff888104952f80
FS:  00007f97672de700(0000) GS:ffff8881c0000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6c67bd50c0 CR3: 000000010db06003 CR4: 0000000000770ef0
PKRU: 55555554
Call Trace:
 <TASK>
 __perf_event_task_sched_out+0x12a/0x1050 kernel/events/core.c:3683
 perf_event_task_sched_out include/linux/perf_event.h:1507 [inline]
 prepare_task_switch kernel/sched/core.c:5204 [inline]
 context_switch kernel/sched/core.c:5347 [inline]
 __schedule+0xbd5/0x2100 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x68/0x140 kernel/sched/core.c:6817
 futex_wait_queue+0xc3/0x160 kernel/futex/waitwake.c:370
 __futex_wait+0x256/0x360 kernel/futex/waitwake.c:669
 futex_wait+0xde/0x180 kernel/futex/waitwake.c:697
 do_futex+0x2b4/0x330 kernel/futex/syscalls.c:102
 __do_sys_futex kernel/futex/syscalls.c:179 [inline]
 __se_sys_futex kernel/futex/syscalls.c:160 [inline]
 __x64_sys_futex+0x1b1/0x400 kernel/futex/syscalls.c:160
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xb4/0x1b0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f9767fb1c8d
Code: c3 e8 17 32 00 00 0f 1f 80 00 00 00 00 f3 0f 1e fa 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:00007f97672ddc98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f97680ed120 RCX: 00007f9767fb1c8d
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f97680ed128
RBP: 00007f97680ed128 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f97680ed12c
R13: 00007ffe6612df6f R14: 00007ffe6612e110 R15: 00007f97672ddd80
 </TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 191687 at kernel/events/core.c:834
perf_cgroup_set_timestamp kernel/events/core.c:834 [inline]
WARNING: CPU: 0 PID: 191687 at kernel/events/core.c:834
ctx_sched_in+0x44a/0x560 kernel/events/core.c:3910
Modules linked in:
CPU: 0 PID: 191687 Comm: syz-executor.0 Tainted: G        W
6.8.0-rc7 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
1.13.0-1ubuntu1.1 04/01/2014
RIP: 0010:perf_cgroup_set_timestamp kernel/events/core.c:834 [inline]
RIP: 0010:ctx_sched_in+0x44a/0x560 kernel/events/core.c:3910
Code: 00 00 44 8b 6d 70 e9 7b fc ff ff e8 a0 05 f0 ff 0f b6 d3 48 8d
75 38 48 89 ef e8 01 fa ff ff e9 24 fd ff ff e8 87 05 f0 ff 90 <0f> 0b
90 e9 9f fe ff ff 4c 89 c7 48 89 44 24 18 e8 f1 ce 1c 00 48
RSP: 0018:ffff88817925f9f0 EFLAGS: 00010082
RAX: 0000000000040000 RBX: 0000000000000002 RCX: ffffffff816e2f19
RDX: 0000000000002b70 RSI: ffffc9001f7f8000 RDI: ffff8881c0034084
RBP: ffff888153538e00 R08: 00000221966807f5 R09: ffffed102f24bf49
R10: ffffed102f24bf48 R11: 0000000000000003 R12: 0000000000000000
R13: ffff88810f39f800 R14: fffffdde6997f80b R15: ffff8881c0033fc0
FS:  00007f7176579700(0000) GS:ffff8881c0000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200000c0 CR3: 000000013b6d2005 CR4: 0000000000770ef0
PKRU: 55555554
Call Trace:
 <TASK>
 perf_event_sched_in+0x32/0x70 kernel/events/core.c:2677
 ctx_resched+0x82/0xe0 kernel/events/core.c:2736
 __perf_install_in_context+0x2f1/0x820 kernel/events/core.c:2807
 remote_function kernel/events/core.c:92 [inline]
 remote_function+0x111/0x1a0 kernel/events/core.c:72
 csd_do_func kernel/smp.c:133 [inline]
 generic_exec_single kernel/smp.c:404 [inline]
 generic_exec_single+0x14f/0x390 kernel/smp.c:390
 smp_call_function_single+0x2bb/0x3a0 kernel/smp.c:647
 task_function_call+0xce/0x150 kernel/events/core.c:120
 perf_install_in_context+0x23e/0x480 kernel/events/core.c:2909
 __do_sys_perf_event_open+0x10a2/0x1d50 kernel/events/core.c:12768
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xb4/0x1b0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f717724cc8d
Code: c3 e8 17 32 00 00 0f 1f 80 00 00 00 00 f3 0f 1e fa 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:00007f7176578bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f7177388120 RCX: 00007f717724cc8d
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007f71772aa4af R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc524ce3ef R14: 00007ffc524ce590 R15: 00007f7176578d80
 </TASK>
---[ end trace 0000000000000000 ]---
netlink: 608 bytes leftover after parsing attributes in process
`syz-executor.0'.
netlink: 608 bytes leftover after parsing attributes in process
`syz-executor.0'.
netlink: 608 bytes leftover after parsing attributes in process
`syz-executor.0'.
netlink: 76 bytes leftover after parsing attributes in process `syz-executor.6'.
netlink: 76 bytes leftover after parsing attributes in process `syz-executor.6'.
netlink: 76 bytes leftover after parsing attributes in process `syz-executor.6'.
netlink: 77364 bytes leftover after parsing attributes in process
`syz-executor.5'.
netlink: 77364 bytes leftover after parsing attributes in process
`syz-executor.5'.
netlink: 77364 bytes leftover after parsing attributes in process
`syz-executor.5'.
audit: type=1326 audit(6914317446.261:390): auid=0 uid=0 gid=0 ses=4
subj=system_u:system_r:kernel_t:s0 pid=193378 comm="syz-executor.3"
exe="/syz-executor.3" sig=31 arch=c000003e syscall=202 compat=0
ip=0x7f716584dc8d code=0x0
pimreg: entered allmulticast mode
netlink: 'syz-executor.2': attribute type 27 has an invalid length.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'.
kvm: pic: non byte read
kvm: pic: level sensitive irq not supported
kvm: pic: non byte read
kvm: pic: level sensitive irq not supported
kvm: pic: non byte read
kvm: pic: non byte read
kvm: pic: non byte read
kvm: pic: non byte read
kvm: pic: non byte read
kvm: pic: non byte read
kvm: pic: non byte read
kvm: pic: non byte read
audit: type=1326 audit(6914317447.111:391): auid=0 uid=0 gid=0 ses=4
subj=system_u:system_r:kernel_t:s0 pid=193497 comm="syz-executor.3"
exe="/syz-executor.3" sig=31 arch=c000003e syscall=202 compat=0
ip=0x7f716584dc8d code=0x0