audit: type=1400 audit(1663490288.907:8): avc: denied { kernel } for pid=3745 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3742 at kernel/events/core.c:2233 event_filter_match+0x422/0x660
Modules linked in:
CPU: 0 PID: 3742 Comm: modprobe Not tainted 6.0.0-rc5-next-20220916 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:event_filter_match+0x422/0x660
Code: 00 00 00 e9 7c fc ff ff e8 4b 15 f1 ff 65 8b 2d c0 73 ad 7e 31 ff 89 ee e8 eb 11 f1 ff 85 ed 0f 84 ef 00 00 00 e8 2e 15 f1 ff <0f> 0b eb 9f e8 05 92 23 00 e9 17 fc ff ff e8 1b 15 f1 ff 48 8d 7b
RSP: 0018:ffff88806ce09c70 EFLAGS: 00010046
RAX: 0000000080010001 RBX: ffff888041ab05c8 RCX: 0000000000000000
RDX: ffff888036fe0000 RSI: ffffffff81550212 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865ac01b R12: ffff888041ab07e8
R13: 0000000000000000 R14: ffff888041ab0670 R15: ffff888041ab07e8
FS: 00007f719fa56540(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffc32297f8 CR3: 000000001b482000 CR4: 0000000000350ef0
Call Trace:
merge_sched_in+0x107/0x1110
visit_groups_merge.constprop.0.isra.0+0x4fc/0xef0
ctx_sched_in+0x2e6/0x770
perf_event_sched_in+0x75/0x80
ctx_resched+0x1ce/0x390
__perf_install_in_context+0x285/0x9c0
remote_function+0x125/0x1b0
__flush_smp_call_function_queue+0x1df/0x5a0
__sysvec_call_function_single+0x92/0x3a0
sysvec_call_function_single+0x89/0xc0
asm_sysvec_call_function_single+0x16/0x20
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x4/0x20
Code: 84 00 00 00 00 00 48 8b 0c 24 0f b7 d6 0f b7 f7 bf 03 00 00 00 e9 bc fe ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 48 8b 0c 24 <89> f2 89 fe bf 05 00 00 00 e9 9e fe ff ff 66 66 2e 0f 1f 84 00 00
RSP: 0018:ffff888036fefa20 EFLAGS: 00000246
RAX: 0000000000000007 RBX: 0000000000000040 RCX: ffffffff81817c89
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888036fefac0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888036fefb68
R13: 0000000000000000 R14: ffffffff85214600 R15: 0000000000000000
path_init+0x379/0x1830
path_lookupat+0x30/0x850
filename_lookup+0x1ce/0x590
vfs_statx+0x14c/0x430
vfs_fstatat+0x8c/0xb0
__do_sys_newstat+0x8b/0x110
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f719fb6d3a6
Code: 00 00 75 05 48 83 c4 18 c3 e8 96 f2 01 00 66 0f 1f 44 00 00 41 89 f8 48 89 f7 48 89 d6 41 83 f8 01 77 29 b8 04 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 02 c3 90 48 8b 15 b9 fa 0c 00 f7 d8 64 89 02
RSP: 002b:00007fffc32297c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00007fffc3229870 RCX: 00007f719fb6d3a6
RDX: 00007fffc3229870 RSI: 00007fffc3229870 RDI: 00005582eec80c39
RBP: 00005582eec80c39 R08: 0000000000000001 R09: 00007f719fc3dbe0
R10: 00007fffc322a8c2 R11: 0000000000000246 R12: 00005582f046a310
R13: 00005582eec89060 R14: 00007fffc3229860 R15: 00005582f046a310
irq event stamp: 16766
hardirqs last enabled at (16765): [] _raw_spin_unlock_irqrestore+0x28/0x60
hardirqs last disabled at (16766): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (16018): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (16013): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3742 at kernel/events/core.c:2557 merge_sched_in+0xadb/0x1110
Modules linked in:
CPU: 0 PID: 3742 Comm: modprobe Tainted: G W 6.0.0-rc5-next-20220916 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:merge_sched_in+0xadb/0x1110
Code: ff ff e8 78 16 ef ff 65 8b 05 ed 74 ab 7e 31 ff 89 c6 89 04 24 e8 15 13 ef ff 8b 04 24 85 c0 0f 84 13 02 00 00 e8 55 16 ef ff <0f> 0b e9 c4 fb ff ff e8 49 16 ef ff 4c 89 e8 48 05 18 01 00 00 e9
RSP: 0018:ffff88806ce09cb0 EFLAGS: 00010046
RAX: 0000000080010001 RBX: ffff88806ce3d100 RCX: 0000000000000000
RDX: ffff888036fe0000 RSI: ffffffff815700eb RDI: 0000000000000005
RBP: ffff888041ab05c8 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865ac01b R12: ffff88806ce3d100
R13: ffff88806ce00000 R14: ffff888041ab0670 R15: ffff888041ab07e8
FS: 00007f719fa56540(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffc32297f8 CR3: 000000001b482000 CR4: 0000000000350ef0
Call Trace:
visit_groups_merge.constprop.0.isra.0+0x4fc/0xef0
ctx_sched_in+0x2e6/0x770
perf_event_sched_in+0x75/0x80
ctx_resched+0x1ce/0x390
__perf_install_in_context+0x285/0x9c0
remote_function+0x125/0x1b0
__flush_smp_call_function_queue+0x1df/0x5a0
__sysvec_call_function_single+0x92/0x3a0
sysvec_call_function_single+0x89/0xc0
asm_sysvec_call_function_single+0x16/0x20
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x4/0x20
Code: 84 00 00 00 00 00 48 8b 0c 24 0f b7 d6 0f b7 f7 bf 03 00 00 00 e9 bc fe ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 48 8b 0c 24 <89> f2 89 fe bf 05 00 00 00 e9 9e fe ff ff 66 66 2e 0f 1f 84 00 00
RSP: 0018:ffff888036fefa20 EFLAGS: 00000246
RAX: 0000000000000007 RBX: 0000000000000040 RCX: ffffffff81817c89
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888036fefac0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888036fefb68
R13: 0000000000000000 R14: ffffffff85214600 R15: 0000000000000000
path_init+0x379/0x1830
path_lookupat+0x30/0x850
filename_lookup+0x1ce/0x590
vfs_statx+0x14c/0x430
vfs_fstatat+0x8c/0xb0
__do_sys_newstat+0x8b/0x110
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f719fb6d3a6
Code: 00 00 75 05 48 83 c4 18 c3 e8 96 f2 01 00 66 0f 1f 44 00 00 41 89 f8 48 89 f7 48 89 d6 41 83 f8 01 77 29 b8 04 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 02 c3 90 48 8b 15 b9 fa 0c 00 f7 d8 64 89 02
RSP: 002b:00007fffc32297c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00007fffc3229870 RCX: 00007f719fb6d3a6
RDX: 00007fffc3229870 RSI: 00007fffc3229870 RDI: 00005582eec80c39
RBP: 00005582eec80c39 R08: 0000000000000001 R09: 00007f719fc3dbe0
R10: 00007fffc322a8c2 R11: 0000000000000246 R12: 00005582f046a310
R13: 00005582eec89060 R14: 00007fffc3229860 R15: 00005582f046a310
irq event stamp: 16766
hardirqs last enabled at (16765): [] _raw_spin_unlock_irqrestore+0x28/0x60
hardirqs last disabled at (16766): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (16018): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (16013): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
======================================================
----------------
Code disassembly (best guess):
0: 84 00 test %al,(%rax)
2: 00 00 add %al,(%rax)
4: 00 00 add %al,(%rax)
6: 48 8b 0c 24 mov (%rsp),%rcx
a: 0f b7 d6 movzwl %si,%edx
d: 0f b7 f7 movzwl %di,%esi
10: bf 03 00 00 00 mov $0x3,%edi
15: e9 bc fe ff ff jmpq 0xfffffed6
1a: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1)
21: 00 00 00 00
25: 90 nop
26: 48 8b 0c 24 mov (%rsp),%rcx
* 2a: 89 f2 mov %esi,%edx <-- trapping instruction
2c: 89 fe mov %edi,%esi
2e: bf 05 00 00 00 mov $0x5,%edi
33: e9 9e fe ff ff jmpq 0xfffffed6
38: 66 data16
39: 66 data16
3a: 2e cs
3b: 0f .byte 0xf
3c: 1f (bad)
3d: 84 00 test %al,(%rax)