audit: type=1400 audit(1663832929.454:8): avc: denied { kernel } for pid=3989 comm="syz-executor.0" 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: 3980 at kernel/events/core.c:2233 event_filter_match+0x422/0x660
Modules linked in:
CPU: 0 PID: 3980 Comm: syz-executor.7 Not tainted 6.0.0-rc6-next-20220921 #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 2b 1b f1 ff 65 8b 2d c0 73 ad 7e 31 ff 89 ee e8 cb 17 f1 ff 85 ed 0f 84 ef 00 00 00 e8 0e 1b f1 ff <0f> 0b eb 9f e8 b5 8b 23 00 e9 17 fc ff ff e8 fb 1a f1 ff 48 8d 7b
RSP: 0018:ffff88806ce09c70 EFLAGS: 00010046
RAX: 0000000080010002 RBX: ffff888041910000 RCX: 0000000000000000
RDX: ffff8880161ab580 RSI: ffffffff81550212 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b001b R12: ffff888041910220
R13: 0000000000000000 R14: ffff8880419100a8 R15: ffff888041910220
FS: 00007f4ed0aa9700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f234a33d630 CR3: 0000000017e70000 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 ea 21 03 fd 48 89 ef e8 52 97 03 fd 80 e7 02 74 06 e8 68 ec 25 fd fb bf 01 00 00 00 6d 3d f9 fc 65 8b 05 16 65 db 7b 85 c0 74 07 5b 5d e9 8b 31 39
RSP: 0018:ffff888041d0fac8 EFLAGS: 00000206
RAX: 0000000000000111 RBX: 0000000000000246 RCX: ffffffff81298d9f
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffffff854cf7a0 R08: 0000000000000001 R09: ffffffff86ccf7f7
R10: fffffbfff0d99efe R11: 0000000000000001 R12: fffffbfff0b608d4
R13: 0000000000000008 R14: 0000000000000cc0 R15: 0000000000000000
kmemleak_alloc_percpu+0xa4/0x150
pcpu_alloc+0x801/0x1100
perf_trace_event_init+0x370/0x9f0
perf_trace_init+0x1a0/0x2f0
perf_tp_event_init+0xa2/0x120
perf_try_init_event+0x130/0x570
perf_event_alloc.part.0+0xff8/0x3ba0
__do_sys_perf_event_open+0x4c6/0x32c0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f4ed3533b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4ed0aa9188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f4ed3646f60 RCX: 00007f4ed3533b19
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000080
RBP: 00007f4ed358df6d R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff42a5d5bf R14: 00007f4ed0aa9300 R15: 0000000000022000
irq event stamp: 274
hardirqs last enabled at (273): [] _raw_spin_unlock_irqrestore+0x28/0x60
hardirqs last disabled at (274): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (230): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (223): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3980 at kernel/events/core.c:2557 merge_sched_in+0xadb/0x1110
Modules linked in:
CPU: 0 PID: 3980 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220921 #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 f8 18 ef ff 65 8b 05 8d 71 ab 7e 31 ff 89 c6 89 04 24 e8 95 15 ef ff 8b 04 24 85 c0 0f 84 13 02 00 00 e8 d5 18 ef ff <0f> 0b e9 c4 fb ff ff e8 c9 18 ef ff 4c 89 e8 48 05 18 01 00 00 e9
RSP: 0018:ffff88806ce09cb0 EFLAGS: 00010046
RAX: 0000000080010002 RBX: ffff88806ce3d140 RCX: 0000000000000000
RDX: ffff8880161ab580 RSI: ffffffff8157044b RDI: 0000000000000005
RBP: ffff888041910000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b001b R12: ffff88806ce3d140
R13: ffff88806ce00000 R14: ffff8880419100a8 R15: ffff888041910220
FS: 00007f4ed0aa9700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f234a33d630 CR3: 0000000017e70000 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 ea 21 03 fd 48 89 ef e8 52 97 03 fd 80 e7 02 74 06 e8 68 ec 25 fd fb bf 01 00 00 00 6d 3d f9 fc 65 8b 05 16 65 db 7b 85 c0 74 07 5b 5d e9 8b 31 39
RSP: 0018:ffff888041d0fac8 EFLAGS: 00000206
RAX: 0000000000000111 RBX: 0000000000000246 RCX: ffffffff81298d9f
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffffff854cf7a0 R08: 0000000000000001 R09: ffffffff86ccf7f7
R10: fffffbfff0d99efe R11: 0000000000000001 R12: fffffbfff0b608d4
R13: 0000000000000008 R14: 0000000000000cc0 R15: 0000000000000000
kmemleak_alloc_percpu+0xa4/0x150
pcpu_alloc+0x801/0x1100
perf_trace_event_init+0x370/0x9f0
perf_trace_init+0x1a0/0x2f0
perf_tp_event_init+0xa2/0x120
perf_try_init_event+0x130/0x570
perf_event_alloc.part.0+0xff8/0x3ba0
__do_sys_perf_event_open+0x4c6/0x32c0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f4ed3533b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4ed0aa9188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f4ed3646f60 RCX: 00007f4ed3533b19
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000080
RBP: 00007f4ed358df6d R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff42a5d5bf R14: 00007f4ed0aa9300 R15: 0000000000022000
irq event stamp: 274
hardirqs last enabled at (273): [] _raw_spin_unlock_irqrestore+0x28/0x60
hardirqs last disabled at (274): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (230): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (223): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
loop5: detected capacity change from 0 to 3
------------[ 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 ea 21 03 fd callq 0xfd0321fc
12: 48 89 ef mov %rbp,%rdi
15: e8 52 97 03 fd callq 0xfd03976c
1a: 80 e7 02 and $0x2,%bh
1d: 74 06 je 0x25
1f: e8 68 ec 25 fd callq 0xfd25ec8c
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 6d 3d f9 fc callq 0xfcf93d9c <-- trapping instruction
2f: 65 8b 05 16 65 db 7b mov %gs:0x7bdb6516(%rip),%eax # 0x7bdb654c
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 31 mov (%rcx),%esi
3f: 39 .byte 0x39