audit: type=1400 audit(1663601160.056:8): avc: denied { kernel } for pid=3924 comm="syz-executor.5" 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: 3922 at kernel/events/core.c:2233 event_filter_match+0x422/0x660
Modules linked in:
CPU: 0 PID: 3922 Comm: modprobe Not tainted 6.0.0-rc6-next-20220919 #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 70 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 45 8d 23 00 e9 17 fc ff ff e8 1b 15 f1 ff 48 8d 7b
RSP: 0018:ffff88806ce09c70 EFLAGS: 00010046
RAX: 0000000080010002 RBX: ffff88801f2d0000 RCX: 0000000000000000
RDX: ffff88801b9b9ac0 RSI: ffffffff81550262 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865ac01b R12: ffff88801f2d0220
R13: 0000000000000000 R14: ffff88801f2d00a8 R15: ffff88801f2d0220
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f035ee76b70 CR3: 000000001b968000 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:_raw_spin_unlock_irqrestore+0x2e/0x60
Code: 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 4a ee 03 fd 48 89 ef e8 b2 63 04 fd 80 e7 02 74 06 e8 98 a6 26 fd fb bf 01 00 00 00 ed ee f9 fc 65 8b 05 16 25 dc 7b 85 c0 74 07 5b 5d e9 8b f1 39
RSP: 0018:ffff88801d61f6f8 EFLAGS: 00000202
RAX: 00000000000026e5 RBX: 0000000000000246 RCX: ffffffff812999ff
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffffff854ced40 R08: 0000000000000001 R09: ffffffff86ccb7ef
R10: fffffbfff0d996fd R11: 0000000000000001 R12: ffff88801daa7440
R13: ffff88801daa6558 R14: ffff88800a42c048 R15: ffff888007c75000
find_and_remove_object+0x123/0x170
kmemleak_free+0x21/0x40
kmem_cache_free+0xbd/0x610
mas_destroy+0x2cd/0x560
mas_store_prealloc+0xf0/0x160
__vma_adjust+0x76b/0x1aa0
__split_vma+0x2a1/0x5d0
do_mas_align_munmap.constprop.0+0x273/0x1000
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: 0033:0x7f5998529d82
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:00007ffe60c36808 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f5998529d82
RDX: 0000000000000003 RSI: 0000000000002000 RDI: 00007f5998021000
RBP: 00007f5998021000 R08: 0000000000000000 R09: 000000000001b000
R10: 0000000000000812 R11: 0000000000000206 R12: 00007f5998508f20
R13: 00007ffe60c36820 R14: 00007ffe60c368b0 R15: 00007ffe60c36c10
irq event stamp: 9958
hardirqs last enabled at (9957): [] _raw_spin_unlock_irqrestore+0x28/0x60
hardirqs last disabled at (9958): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (9206): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (8981): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3922 at kernel/events/core.c:2557 merge_sched_in+0xadb/0x1110
Modules linked in:
CPU: 0 PID: 3922 Comm: modprobe Tainted: G W 6.0.0-rc6-next-20220919 #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 9d 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: 0000000080010002 RBX: ffff88806ce3d140 RCX: 0000000000000000
RDX: ffff88801b9b9ac0 RSI: ffffffff8157013b RDI: 0000000000000005
RBP: ffff88801f2d0000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865ac01b R12: ffff88806ce3d140
R13: ffff88806ce00000 R14: ffff88801f2d00a8 R15: ffff88801f2d0220
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f035ee76b70 CR3: 000000001b968000 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:_raw_spin_unlock_irqrestore+0x2e/0x60
Code: 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 4a ee 03 fd 48 89 ef e8 b2 63 04 fd 80 e7 02 74 06 e8 98 a6 26 fd fb bf 01 00 00 00 ed ee f9 fc 65 8b 05 16 25 dc 7b 85 c0 74 07 5b 5d e9 8b f1 39
RSP: 0018:ffff88801d61f6f8 EFLAGS: 00000202
RAX: 00000000000026e5 RBX: 0000000000000246 RCX: ffffffff812999ff
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffffff854ced40 R08: 0000000000000001 R09: ffffffff86ccb7ef
R10: fffffbfff0d996fd R11: 0000000000000001 R12: ffff88801daa7440
R13: ffff88801daa6558 R14: ffff88800a42c048 R15: ffff888007c75000
find_and_remove_object+0x123/0x170
kmemleak_free+0x21/0x40
kmem_cache_free+0xbd/0x610
mas_destroy+0x2cd/0x560
mas_store_prealloc+0xf0/0x160
__vma_adjust+0x76b/0x1aa0
__split_vma+0x2a1/0x5d0
do_mas_align_munmap.constprop.0+0x273/0x1000
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: 0033:0x7f5998529d82
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:00007ffe60c36808 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f5998529d82
RDX: 0000000000000003 RSI: 0000000000002000 RDI: 00007f5998021000
RBP: 00007f5998021000 R08: 0000000000000000 R09: 000000000001b000
R10: 0000000000000812 R11: 0000000000000206 R12: 00007f5998508f20
R13: 00007ffe60c36820 R14: 00007ffe60c368b0 R15: 00007ffe60c36c10
irq event stamp: 9958
hardirqs last enabled at (9957): [] _raw_spin_unlock_irqrestore+0x28/0x60
hardirqs last disabled at (9958): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (9206): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (8981): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
======================================================
----------------
Code disassembly (best guess):
0: 48 83 c7 18 add $0x18,%rdi
4: 53 push %rbx
5: 48 89 f3 mov %rsi,%rbx
8: 48 8b 74 24 10 mov 0x10(%rsp),%rsi
d: e8 4a ee 03 fd callq 0xfd03ee5c
12: 48 89 ef mov %rbp,%rdi
15: e8 b2 63 04 fd callq 0xfd0463cc
1a: 80 e7 02 and $0x2,%bh
1d: 74 06 je 0x25
1f: e8 98 a6 26 fd callq 0xfd26a6bc
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 ed ee f9 fc callq 0xfcf9ef1c <-- trapping instruction
2f: 65 8b 05 16 25 dc 7b mov %gs:0x7bdc2516(%rip),%eax # 0x7bdc254c
36: 85 c0 test %eax,%eax
38: 74 07 je 0x41
3a: 5b pop %rbx
3b: 5d pop %rbp
3c: e9 .byte 0xe9
3d: 8b f1 mov %ecx,%esi
3f: 39 .byte 0x39