audit: type=1400 audit(1664725257.638:8): avc: denied { kernel } for pid=3968 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: 293 at kernel/events/core.c:2233 event_filter_match+0x422/0x660
Modules linked in:
CPU: 0 PID: 293 Comm: syz-executor.1 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: 0000000080010001 RBX: ffff88803ea50000 RCX: 0000000000000000
RDX: ffff888019c75040 RSI: ffffffff8154d8d2 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88803ea50220
R13: 0000000000000000 R14: ffff88803ea500a8 R15: ffff88803ea50220
FS: 0000555555d1d400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff23b7fff64 CR3: 000000000df32000 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_get_return_address+0x6e/0xa0
Code: ea 03 80 3c 02 00 75 36 48 8b 7b 58 e8 4b c0 0b 00 85 c0 74 cf 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c 02 00 <75> 1c 48 8b 43 58 5b 5d e9 75 9b 4e 03 e8 e0 da 66 00 eb a0 48 89
RSP: 0018:ffff888030097290 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffff8880300972a8 RCX: 0000000000000000
RDX: 1ffff11006012e60 RSI: ffff888030097610 RDI: ffffffff81781989
RBP: ffff888030097300 R08: ffffffff85edffdc R09: ffffffff85edffe0
R10: ffffed1006012e62 R11: ffff8880300972e8 R12: ffff888030097370
R13: 0000000000000000 R14: ffff888019c75040 R15: 0000000000000000
arch_stack_walk+0x99/0xf0
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
ptlock_alloc+0x1d/0x70
pte_alloc_one+0x68/0x200
__pte_alloc+0x69/0x210
copy_page_range+0x1bc5/0x4270
dup_mmap+0xa4a/0xfc0
dup_mm+0x91/0x380
copy_process+0x6ac6/0x6e20
kernel_clone+0xe7/0x890
__do_sys_clone+0xba/0x100
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe46e7b410b
Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00
RSP: 002b:00007fff4d4b2ec0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe46e7b410b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000555555d1d400
R10: 0000555555d1d6d0 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000001 R14: 0000000000000001 R15: 00007fff4d4b2fa0
irq event stamp: 139044
hardirqs last enabled at (139043): [] memcg_account_kmem+0x3d/0x70
hardirqs last disabled at (139044): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (138900): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (138859): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 293 at kernel/events/core.c:2557 merge_sched_in+0xadb/0x1110
Modules linked in:
CPU: 0 PID: 293 Comm: syz-executor.1 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: 0000000080010001 RBX: ffff88806ce3d2c0 RCX: 0000000000000000
RDX: ffff888019c75040 RSI: ffffffff8156fe4b RDI: 0000000000000005
RBP: ffff88803ea50000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88806ce3d2c0
R13: ffff88806ce00000 R14: ffff88803ea500a8 R15: ffff88803ea50220
FS: 0000555555d1d400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff23b7fff64 CR3: 000000000df32000 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_get_return_address+0x6e/0xa0
Code: ea 03 80 3c 02 00 75 36 48 8b 7b 58 e8 4b c0 0b 00 85 c0 74 cf 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c 02 00 <75> 1c 48 8b 43 58 5b 5d e9 75 9b 4e 03 e8 e0 da 66 00 eb a0 48 89
RSP: 0018:ffff888030097290 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffff8880300972a8 RCX: 0000000000000000
RDX: 1ffff11006012e60 RSI: ffff888030097610 RDI: ffffffff81781989
RBP: ffff888030097300 R08: ffffffff85edffdc R09: ffffffff85edffe0
R10: ffffed1006012e62 R11: ffff8880300972e8 R12: ffff888030097370
R13: 0000000000000000 R14: ffff888019c75040 R15: 0000000000000000
arch_stack_walk+0x99/0xf0
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
ptlock_alloc+0x1d/0x70
pte_alloc_one+0x68/0x200
__pte_alloc+0x69/0x210
copy_page_range+0x1bc5/0x4270
dup_mmap+0xa4a/0xfc0
dup_mm+0x91/0x380
copy_process+0x6ac6/0x6e20
kernel_clone+0xe7/0x890
__do_sys_clone+0xba/0x100
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe46e7b410b
Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00
RSP: 002b:00007fff4d4b2ec0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe46e7b410b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000555555d1d400
R10: 0000555555d1d6d0 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000001 R14: 0000000000000001 R15: 00007fff4d4b2fa0
irq event stamp: 139044
hardirqs last enabled at (139043): [] memcg_account_kmem+0x3d/0x70
hardirqs last disabled at (139044): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (138900): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (138859): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
======================================================
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 03 80 3c 02 00 75 add 0x7500023c(%rax),%eax
6: 36 48 8b 7b 58 mov %ss:0x58(%rbx),%rdi
b: e8 4b c0 0b 00 callq 0xbc05b
10: 85 c0 test %eax,%eax
12: 74 cf je 0xffffffe3
14: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
1b: fc ff df
1e: 48 89 ea mov %rbp,%rdx
21: 48 c1 ea 03 shr $0x3,%rdx
25: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
* 29: 75 1c jne 0x47 <-- trapping instruction
2b: 48 8b 43 58 mov 0x58(%rbx),%rax
2f: 5b pop %rbx
30: 5d pop %rbp
31: e9 75 9b 4e 03 jmpq 0x34e9bab
36: e8 e0 da 66 00 callq 0x66db1b
3b: eb a0 jmp 0xffffffdd
3d: 48 rex.W
3e: 89 .byte 0x89