audit: type=1400 audit(1663217652.767:8): avc: denied { kernel } for pid=3907 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: 3896 at kernel/events/core.c:2233 event_filter_match+0x422/0x660
Modules linked in:
CPU: 0 PID: 3896 Comm: modprobe Not tainted 6.0.0-rc5-next-20220914 #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 25 80 23 00 e9 17 fc ff ff e8 1b 15 f1 ff 48 8d 7b
RSP: 0018:ffff88806ce09c70 EFLAGS: 00010046
RAX: 0000000080010003 RBX: ffff888040aa0000 RCX: 0000000000000000
RDX: ffff88801819d040 RSI: ffffffff81550212 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865ac01b R12: ffff888040aa0220
R13: 0000000000000000 R14: ffff888040aa00a8 R15: ffff888040aa0220
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f452a6eb7d0 CR3: 000000003ce4e000 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:stack_access_ok+0x17/0x1d0
Code: 89 ef e8 5c d1 66 00 eb da 66 2e 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 41 56 41 55 41 54 49 89 d4 48 89 fa 55 <48> c1 ea 03 48 89 f5 53 48 89 fb 48 83 ec 08 0f b6 04 02 84 c0 74
RSP: 0018:ffff88801afb7628 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffff88801afb7a40
RDX: ffff88801afb76d0 RSI: ffff88801afb7a60 RDI: ffff88801afb76d0
RBP: ffff88801afb7728 R08: ffffffff85eda7b8 R09: ffffffff85eda7bc
R10: ffffed10035f6ee7 R11: 000000000003603d R12: 0000000000000008
R13: ffff88801afb7730 R14: ffff88801afb76d0 R15: ffffffff85eda7bd
unwind_next_frame+0x9bc/0x20b0
arch_stack_walk+0x83/0xf0
stack_trace_save+0x8c/0xc0
kasan_save_stack+0x1e/0x40
kasan_set_track+0x21/0x30
kasan_save_free_info+0x2a/0x50
__kasan_slab_free+0x106/0x190
kmem_cache_free_bulk.part.0+0x210/0x770
mt_destroy_walk+0x8dd/0x1100
__mt_destroy+0x23b/0x280
exit_mmap+0x323/0x680
mmput+0xd1/0x390
do_exit+0xa2e/0x27f0
do_group_exit+0xd0/0x2a0
__x64_sys_exit_group+0x3a/0x50
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7feebfc6f699
Code: Unable to access opcode bytes at RIP 0x7feebfc6f66f.
RSP: 002b:00007ffd169798e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007feebfd64610 RCX: 00007feebfc6f699
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffffffffff80 R09: 0000000000000001
R10: 0000000000000004 R11: 0000000000000246 R12: 00007feebfd64610
R13: 0000000000000001 R14: 00007feebfd64ae8 R15: 0000000000000000
irq event stamp: 22996
hardirqs last enabled at (22995): [] call_rcu+0x589/0xa30
hardirqs last disabled at (22996): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (22562): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (22531): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3896 at kernel/events/core.c:2557 merge_sched_in+0xadb/0x1110
Modules linked in:
CPU: 0 PID: 3896 Comm: modprobe Tainted: G W 6.0.0-rc5-next-20220914 #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: 0000000080010003 RBX: ffff88806ce3d100 RCX: 0000000000000000
RDX: ffff88801819d040 RSI: ffffffff815700eb RDI: 0000000000000005
RBP: ffff888040aa0000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865ac01b R12: ffff88806ce3d100
R13: ffff88806ce00000 R14: ffff888040aa00a8 R15: ffff888040aa0220
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f452a6eb7d0 CR3: 000000003ce4e000 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:stack_access_ok+0x17/0x1d0
Code: 89 ef e8 5c d1 66 00 eb da 66 2e 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 41 56 41 55 41 54 49 89 d4 48 89 fa 55 <48> c1 ea 03 48 89 f5 53 48 89 fb 48 83 ec 08 0f b6 04 02 84 c0 74
RSP: 0018:ffff88801afb7628 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffff88801afb7a40
RDX: ffff88801afb76d0 RSI: ffff88801afb7a60 RDI: ffff88801afb76d0
RBP: ffff88801afb7728 R08: ffffffff85eda7b8 R09: ffffffff85eda7bc
R10: ffffed10035f6ee7 R11: 000000000003603d R12: 0000000000000008
R13: ffff88801afb7730 R14: ffff88801afb76d0 R15: ffffffff85eda7bd
unwind_next_frame+0x9bc/0x20b0
arch_stack_walk+0x83/0xf0
stack_trace_save+0x8c/0xc0
kasan_save_stack+0x1e/0x40
kasan_set_track+0x21/0x30
kasan_save_free_info+0x2a/0x50
__kasan_slab_free+0x106/0x190
kmem_cache_free_bulk.part.0+0x210/0x770
mt_destroy_walk+0x8dd/0x1100
__mt_destroy+0x23b/0x280
exit_mmap+0x323/0x680
mmput+0xd1/0x390
do_exit+0xa2e/0x27f0
do_group_exit+0xd0/0x2a0
__x64_sys_exit_group+0x3a/0x50
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7feebfc6f699
Code: Unable to access opcode bytes at RIP 0x7feebfc6f66f.
RSP: 002b:00007ffd169798e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007feebfd64610 RCX: 00007feebfc6f699
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffffffffff80 R09: 0000000000000001
R10: 0000000000000004 R11: 0000000000000246 R12: 00007feebfd64610
R13: 0000000000000001 R14: 00007feebfd64ae8 R15: 0000000000000000
irq event stamp: 22996
hardirqs last enabled at (22995): [] call_rcu+0x589/0xa30
hardirqs last disabled at (22996): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (22562): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (22531): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
======================================================
----------------
Code disassembly (best guess):
0: 89 ef mov %ebp,%edi
2: e8 5c d1 66 00 callq 0x66d163
7: eb da jmp 0xffffffe3
9: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
10: 00 00 00
13: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
1a: fc ff df
1d: 41 56 push %r14
1f: 41 55 push %r13
21: 41 54 push %r12
23: 49 89 d4 mov %rdx,%r12
26: 48 89 fa mov %rdi,%rdx
29: 55 push %rbp
* 2a: 48 c1 ea 03 shr $0x3,%rdx <-- trapping instruction
2e: 48 89 f5 mov %rsi,%rbp
31: 53 push %rbx
32: 48 89 fb mov %rdi,%rbx
35: 48 83 ec 08 sub $0x8,%rsp
39: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax
3d: 84 c0 test %al,%al
3f: 74 .byte 0x74