audit: type=1400 audit(1664761339.313:8): avc: denied { kernel } for pid=3799 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: 3803 at kernel/events/core.c:2233 event_filter_match+0x422/0x660
Modules linked in:
CPU: 0 PID: 3803 Comm: modprobe Not tainted 6.0.0-rc7-next-20220930 #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 7b 33 f1 ff 65 8b 2d 00 9d ad 7e 31 ff 89 ee e8 1b 30 f1 ff 85 ed 0f 84 ef 00 00 00 e8 5e 33 f1 ff <0f> 0b eb 9f e8 d5 a1 23 00 e9 17 fc ff ff e8 4b 33 f1 ff 48 8d 7b
RSP: 0018:ffff88806ce09c70 EFLAGS: 00010046
RAX: 0000000000010002 RBX: ffff88803fb60000 RCX: 0000000000000000
RDX: ffff88801f1a5040 RSI: ffffffff8154d8d2 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88803fb60220
R13: 0000000000000000 R14: ffff88803fb600a8 R15: ffff88803fb60220
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4de3a60000 CR3: 000000001751e000 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:unwind_next_frame+0x27e/0x20b0
Code: 24 28 8b 4c 24 20 44 8b 5c 24 18 89 c8 8b 14 95 3c 30 27 86 48 8d 3c 40 4c 8d 84 3f c0 e5 e1 85 83 c2 01 49 81 f8 3c 30 27 86 <0f> 83 bf 06 00 00 89 d7 48 8d 3c 7f 48 8d bc 3f c0 e5 e1 85 48 81
RSP: 0018:ffff88801cdaf308 EFLAGS: 00000297
RAX: 00000000000ad894 RBX: 0000000000000001 RCX: 00000000000ad894
RDX: 00000000000ad89c RSI: 000000000003109f RDI: 00000000002089bc
RBP: ffff88801cdaf3e0 R08: ffffffff8622f938 R09: ffffffff8622e28c
R10: ffffed10039b5e7e R11: 000000000003603d R12: ffff88801cdaf3c9
R13: ffff88801cdaf3e8 R14: ffff88801cdaf388 R15: ffffffff84109f6a
arch_stack_walk+0x83/0xf0
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
__create_object+0x3d/0xc10
kmem_cache_alloc_bulk+0x414/0x7d0
mas_alloc_nodes+0x2ff/0x800
mas_preallocate+0x1bb/0x360
__vma_adjust+0x18a/0x1aa0
__split_vma+0x4c3/0x5d0
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: 0033:0x7f1844a6fd82
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:00007ffce6b48cf8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f1844a6fd82
RDX: 0000000000000001 RSI: 0000000000005000 RDI: 00007f1844562000
RBP: 00007f1844562000 R08: 0000000000000000 R09: 0000000000017000
R10: 0000000000000812 R11: 0000000000000206 R12: 00007f1844a4ef20
R13: 00007ffce6b48d10 R14: 00007ffce6b48d70 R15: 00007ffce6b49100
irq event stamp: 8872
hardirqs last enabled at (8871): [] asm_sysvec_apic_timer_interrupt+0x16/0x20
hardirqs last disabled at (8872): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (8548): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (8537): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3803 at kernel/events/core.c:2557 merge_sched_in+0xadb/0x1110
Modules linked in:
CPU: 0 PID: 3803 Comm: modprobe Tainted: G W 6.0.0-rc7-next-20220930 #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 08 0e ef ff 65 8b 05 8d 77 ab 7e 31 ff 89 c6 89 04 24 e8 a5 0a ef ff 8b 04 24 85 c0 0f 84 13 02 00 00 e8 e5 0d ef ff <0f> 0b e9 c4 fb ff ff e8 d9 0d ef ff 4c 89 e8 48 05 18 01 00 00 e9
RSP: 0018:ffff88806ce09cb0 EFLAGS: 00010046
RAX: 0000000000010002 RBX: ffff88806ce3d2c0 RCX: 0000000000000000
RDX: ffff88801f1a5040 RSI: ffffffff8156fe4b RDI: 0000000000000005
RBP: ffff88803fb60000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88806ce3d2c0
R13: ffff88806ce00000 R14: ffff88803fb600a8 R15: ffff88803fb60220
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4de3a60000 CR3: 000000001751e000 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:unwind_next_frame+0x27e/0x20b0
Code: 24 28 8b 4c 24 20 44 8b 5c 24 18 89 c8 8b 14 95 3c 30 27 86 48 8d 3c 40 4c 8d 84 3f c0 e5 e1 85 83 c2 01 49 81 f8 3c 30 27 86 <0f> 83 bf 06 00 00 89 d7 48 8d 3c 7f 48 8d bc 3f c0 e5 e1 85 48 81
RSP: 0018:ffff88801cdaf308 EFLAGS: 00000297
RAX: 00000000000ad894 RBX: 0000000000000001 RCX: 00000000000ad894
RDX: 00000000000ad89c RSI: 000000000003109f RDI: 00000000002089bc
RBP: ffff88801cdaf3e0 R08: ffffffff8622f938 R09: ffffffff8622e28c
R10: ffffed10039b5e7e R11: 000000000003603d R12: ffff88801cdaf3c9
R13: ffff88801cdaf3e8 R14: ffff88801cdaf388 R15: ffffffff84109f6a
arch_stack_walk+0x83/0xf0
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
__create_object+0x3d/0xc10
kmem_cache_alloc_bulk+0x414/0x7d0
mas_alloc_nodes+0x2ff/0x800
mas_preallocate+0x1bb/0x360
__vma_adjust+0x18a/0x1aa0
__split_vma+0x4c3/0x5d0
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: 0033:0x7f1844a6fd82
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:00007ffce6b48cf8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f1844a6fd82
RDX: 0000000000000001 RSI: 0000000000005000 RDI: 00007f1844562000
RBP: 00007f1844562000 R08: 0000000000000000 R09: 0000000000017000
R10: 0000000000000812 R11: 0000000000000206 R12: 00007f1844a4ef20
R13: 00007ffce6b48d10 R14: 00007ffce6b48d70 R15: 00007ffce6b49100
irq event stamp: 8872
hardirqs last enabled at (8871): [] asm_sysvec_apic_timer_interrupt+0x16/0x20
hardirqs last disabled at (8872): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (8548): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (8537): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
device syz_tun entered promiscuous mode
------------[ cut here ]------------
======================================================
----------------
Code disassembly (best guess):
0: 24 28 and $0x28,%al
2: 8b 4c 24 20 mov 0x20(%rsp),%ecx
6: 44 8b 5c 24 18 mov 0x18(%rsp),%r11d
b: 89 c8 mov %ecx,%eax
d: 8b 14 95 3c 30 27 86 mov -0x79d8cfc4(,%rdx,4),%edx
14: 48 8d 3c 40 lea (%rax,%rax,2),%rdi
18: 4c 8d 84 3f c0 e5 e1 lea -0x7a1e1a40(%rdi,%rdi,1),%r8
1f: 85
20: 83 c2 01 add $0x1,%edx
23: 49 81 f8 3c 30 27 86 cmp $0xffffffff8627303c,%r8
* 2a: 0f 83 bf 06 00 00 jae 0x6ef <-- trapping instruction
30: 89 d7 mov %edx,%edi
32: 48 8d 3c 7f lea (%rdi,%rdi,2),%rdi
36: 48 8d bc 3f c0 e5 e1 lea -0x7a1e1a40(%rdi,%rdi,1),%rdi
3d: 85
3e: 48 rex.W
3f: 81 .byte 0x81