audit: type=1400 audit(1664374102.486:8): avc: denied { kernel } for pid=3776 comm="syz-executor.4" 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: 3775 at kernel/events/core.c:2233 event_filter_match+0x422/0x660
Modules linked in:
CPU: 0 PID: 3775 Comm: modprobe Not tainted 6.0.0-rc7-next-20220927 #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 bb 2e f1 ff 65 8b 2d 30 94 ad 7e 31 ff 89 ee e8 5b 2b f1 ff 85 ed 0f 84 ef 00 00 00 e8 9e 2e f1 ff <0f> 0b eb 9f e8 45 a5 23 00 e9 17 fc ff ff e8 8b 2e f1 ff 48 8d 7b
RSP: 0018:ffff88806ce09c70 EFLAGS: 00010046
RAX: 0000000080010001 RBX: ffff88801d490000 RCX: 0000000000000000
RDX: ffff88801a691ac0 RSI: ffffffff8154e1a2 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88801d490220
R13: 0000000000000000 R14: ffff88801d4900a8 R15: ffff88801d490220
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056075c79b9d8 CR3: 000000000d900000 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:__memset+0x24/0x40
Code: cc cc cc cc cc cc 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 dd 95 4b 00 66 66 2e 0f 1f 84 00
RSP: 0018:ffff88803c087398 EFLAGS: 00000212
RAX: 0000000000000000 RBX: ffff88803c087488 RCX: 0000000000000004
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88803c087440
RBP: ffff88801a691ac0 R08: 0000000000000001 R09: ffff88803c0873f0
R10: ffffed1007810e8b R11: 0000000000000001 R12: 0000000000000000
R13: ffff88803c087418 R14: ffff88801a691ac0 R15: ffff88803c0873f0
__unwind_start+0x2a/0x7c0
arch_stack_walk+0x5f/0xf0
stack_trace_save+0x8c/0xc0
kasan_save_stack+0x1e/0x40
kasan_set_track+0x21/0x30
__kasan_slab_alloc+0x58/0x70
kmem_cache_alloc+0x1a9/0x3e0
vm_area_dup+0x7f/0x230
__split_vma+0xa2/0x5d0
do_mas_align_munmap.constprop.0+0x62d/0x1000
do_mas_munmap+0x1e8/0x2b0
mmap_region+0x21c/0x1a00
do_mmap+0x828/0xf40
vm_mmap_pgoff+0x1af/0x270
ksys_mmap_pgoff+0x3d0/0x4f0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f3a8cc45d82
Code: eb aa 66 0f 1f 44 00 00 41 f7 c1 ff 0f 00 00 75 27 55 48 89 fd 53 89 cb 48 85 ff 74 33 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 56 5b 5d c3 0f 1f 00 c7 05 ae 03 01 00 16 00
RSP: 002b:00007fff04e85848 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f3a8cc45d82
RDX: 0000000000000003 RSI: 0000000000006000 RDI: 00007f3a8c8fe000
RBP: 00007f3a8c8fe000 R08: 0000000000000000 R09: 00000000001ba000
R10: 0000000000000812 R11: 0000000000000206 R12: 00007f3a8cc24a20
R13: 00007fff04e85860 R14: 00007fff04e858f0 R15: 00007fff04e85c80
irq event stamp: 9084
hardirqs last enabled at (9083): [] _raw_spin_unlock_irqrestore+0x28/0x60
hardirqs last disabled at (9084): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (8830): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (8823): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3775 at kernel/events/core.c:2557 merge_sched_in+0xadb/0x1110
Modules linked in:
CPU: 0 PID: 3775 Comm: modprobe Tainted: G W 6.0.0-rc7-next-20220927 #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 e8 08 ef ff 65 8b 05 5d 6e ab 7e 31 ff 89 c6 89 04 24 e8 85 05 ef ff 8b 04 24 85 c0 0f 84 13 02 00 00 e8 c5 08 ef ff <0f> 0b e9 c4 fb ff ff e8 b9 08 ef ff 4c 89 e8 48 05 18 01 00 00 e9
RSP: 0018:ffff88806ce09cb0 EFLAGS: 00010046
RAX: 0000000080010001 RBX: ffff88806ce3d140 RCX: 0000000000000000
RDX: ffff88801a691ac0 RSI: ffffffff8157077b RDI: 0000000000000005
RBP: ffff88801d490000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88806ce3d140
R13: ffff88806ce00000 R14: ffff88801d4900a8 R15: ffff88801d490220
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056075c79b9d8 CR3: 000000000d900000 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:__memset+0x24/0x40
Code: cc cc cc cc cc cc 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 dd 95 4b 00 66 66 2e 0f 1f 84 00
RSP: 0018:ffff88803c087398 EFLAGS: 00000212
RAX: 0000000000000000 RBX: ffff88803c087488 RCX: 0000000000000004
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88803c087440
RBP: ffff88801a691ac0 R08: 0000000000000001 R09: ffff88803c0873f0
R10: ffffed1007810e8b R11: 0000000000000001 R12: 0000000000000000
R13: ffff88803c087418 R14: ffff88801a691ac0 R15: ffff88803c0873f0
__unwind_start+0x2a/0x7c0
arch_stack_walk+0x5f/0xf0
stack_trace_save+0x8c/0xc0
kasan_save_stack+0x1e/0x40
kasan_set_track+0x21/0x30
__kasan_slab_alloc+0x58/0x70
kmem_cache_alloc+0x1a9/0x3e0
vm_area_dup+0x7f/0x230
__split_vma+0xa2/0x5d0
do_mas_align_munmap.constprop.0+0x62d/0x1000
do_mas_munmap+0x1e8/0x2b0
mmap_region+0x21c/0x1a00
do_mmap+0x828/0xf40
vm_mmap_pgoff+0x1af/0x270
ksys_mmap_pgoff+0x3d0/0x4f0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f3a8cc45d82
Code: eb aa 66 0f 1f 44 00 00 41 f7 c1 ff 0f 00 00 75 27 55 48 89 fd 53 89 cb 48 85 ff 74 33 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 56 5b 5d c3 0f 1f 00 c7 05 ae 03 01 00 16 00
RSP: 002b:00007fff04e85848 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f3a8cc45d82
RDX: 0000000000000003 RSI: 0000000000006000 RDI: 00007f3a8c8fe000
RBP: 00007f3a8c8fe000 R08: 0000000000000000 R09: 00000000001ba000
R10: 0000000000000812 R11: 0000000000000206 R12: 00007f3a8cc24a20
R13: 00007fff04e85860 R14: 00007fff04e858f0 R15: 00007fff04e85c80
irq event stamp: 9084
hardirqs last enabled at (9083): [] _raw_spin_unlock_irqrestore+0x28/0x60
hardirqs last disabled at (9084): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (8830): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (8823): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
======================================================
----------------
Code disassembly (best guess):
0: cc int3
1: cc int3
2: cc int3
3: cc int3
4: cc int3
5: cc int3
6: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
b: 49 89 f9 mov %rdi,%r9
e: 48 89 d1 mov %rdx,%rcx
11: 83 e2 07 and $0x7,%edx
14: 48 c1 e9 03 shr $0x3,%rcx
18: 40 0f b6 f6 movzbl %sil,%esi
1c: 48 b8 01 01 01 01 01 movabs $0x101010101010101,%rax
23: 01 01 01
26: 48 0f af c6 imul %rsi,%rax
* 2a: f3 48 ab rep stos %rax,%es:(%rdi) <-- trapping instruction
2d: 89 d1 mov %edx,%ecx
2f: f3 aa rep stos %al,%es:(%rdi)
31: 4c 89 c8 mov %r9,%rax
34: e9 dd 95 4b 00 jmpq 0x4b9616
39: 66 data16
3a: 66 data16
3b: 2e cs
3c: 0f .byte 0xf
3d: 1f (bad)
3e: 84 00 test %al,(%rax)