audit: type=1400 audit(1664691235.918:8): avc: denied { kernel } for pid=3835 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: 111 at kernel/events/core.c:2233 event_filter_match+0x422/0x660
Modules linked in:
CPU: 0 PID: 111 Comm: systemd-journal 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: 0000000080010002 RBX: ffff888040d00000 RCX: 0000000000000000
RDX: ffff88800ff6b580 RSI: ffffffff8154d8d2 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b401b R12: ffff888040d00220
R13: 0000000000000000 R14: ffff888040d000a8 R15: ffff888040d00220
FS: 00007fa988c2e900(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa98805dea0 CR3: 000000000f02a000 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+0x38/0x1d0
Code: 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 08 3c 03 0f 8e 4b 01 00 00 8b 0b <85> c9 74 65 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 08 48 89 fa 48
RSP: 0018:ffff8880187f7908 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff8880187f79c0 RCX: 0000000000000001
RDX: 1ffff110030fef38 RSI: ffff8880187f7d50 RDI: ffff8880187f79c0
RBP: ffff8880187f7d50 R08: ffffffff85e7ad38 R09: ffffffff85e7ad3c
R10: ffffed10030fef45 R11: ffff8880187f7a00 R12: 0000000000000008
R13: ffff8880187f7a20 R14: ffff8880187f79c0 R15: 0000000000000005
unwind_next_frame+0x1526/0x20b0
arch_stack_walk+0x83/0xf0
stack_trace_save+0x8c/0xc0
kasan_save_stack+0x1e/0x40
__kasan_record_aux_stack+0x95/0xb0
call_rcu+0x6a/0xa30
kmem_cache_free+0xbd/0x610
security_file_free+0xaa/0xd0
__fput+0x3db/0xa40
task_work_run+0x170/0x280
exit_to_user_mode_prepare+0x199/0x1a0
syscall_exit_to_user_mode+0x19/0x40
do_syscall_64+0x48/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa9894e7c64
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 36 61 f9 ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 68 61 f9 ff 8b 44
RSP: 002b:00007ffebfa2a080 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: fffffffffffffffe RBX: 00005618d1396d60 RCX: 00007fa9894e7c64
RDX: 0000000000080802 RSI: 00005618d13a8670 RDI: 00000000ffffff9c
RBP: 00005618d13a8670 R08: 0000000000000000 R09: ffffffffffffff01
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000080802
R13: 00000000fffffffa R14: 00005618d139d890 R15: 0000000000000002
irq event stamp: 437880
hardirqs last enabled at (437879): [] _raw_spin_unlock_irqrestore+0x28/0x60
hardirqs last disabled at (437880): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (437630): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (437315): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 111 at kernel/events/core.c:2557 merge_sched_in+0xadb/0x1110
Modules linked in:
CPU: 0 PID: 111 Comm: systemd-journal 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: 0000000080010002 RBX: ffff88806ce3d2c0 RCX: 0000000000000000
RDX: ffff88800ff6b580 RSI: ffffffff8156fe4b RDI: 0000000000000005
RBP: ffff888040d00000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88806ce3d2c0
R13: ffff88806ce00000 R14: ffff888040d000a8 R15: ffff888040d00220
FS: 00007fa988c2e900(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa98805dea0 CR3: 000000000f02a000 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+0x38/0x1d0
Code: 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 08 3c 03 0f 8e 4b 01 00 00 8b 0b <85> c9 74 65 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 08 48 89 fa 48
RSP: 0018:ffff8880187f7908 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff8880187f79c0 RCX: 0000000000000001
RDX: 1ffff110030fef38 RSI: ffff8880187f7d50 RDI: ffff8880187f79c0
RBP: ffff8880187f7d50 R08: ffffffff85e7ad38 R09: ffffffff85e7ad3c
R10: ffffed10030fef45 R11: ffff8880187f7a00 R12: 0000000000000008
R13: ffff8880187f7a20 R14: ffff8880187f79c0 R15: 0000000000000005
unwind_next_frame+0x1526/0x20b0
arch_stack_walk+0x83/0xf0
stack_trace_save+0x8c/0xc0
kasan_save_stack+0x1e/0x40
__kasan_record_aux_stack+0x95/0xb0
call_rcu+0x6a/0xa30
kmem_cache_free+0xbd/0x610
security_file_free+0xaa/0xd0
__fput+0x3db/0xa40
task_work_run+0x170/0x280
exit_to_user_mode_prepare+0x199/0x1a0
syscall_exit_to_user_mode+0x19/0x40
do_syscall_64+0x48/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa9894e7c64
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 36 61 f9 ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 68 61 f9 ff 8b 44
RSP: 002b:00007ffebfa2a080 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: fffffffffffffffe RBX: 00005618d1396d60 RCX: 00007fa9894e7c64
RDX: 0000000000080802 RSI: 00005618d13a8670 RDI: 00000000ffffff9c
RBP: 00005618d13a8670 R08: 0000000000000000 R09: ffffffffffffff01
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000080802
R13: 00000000fffffffa R14: 00005618d139d890 R15: 0000000000000002
irq event stamp: 437880
hardirqs last enabled at (437879): [] _raw_spin_unlock_irqrestore+0x28/0x60
hardirqs last disabled at (437880): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (437630): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (437315): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
9pnet_fd: Insufficient options for proto=fd
------------[ cut here ]------------
======================================================
----------------
Code disassembly (best guess):
0: 41 54 push %r12
2: 49 89 d4 mov %rdx,%r12
5: 48 89 fa mov %rdi,%rdx
8: 55 push %rbp
9: 48 c1 ea 03 shr $0x3,%rdx
d: 48 89 f5 mov %rsi,%rbp
10: 53 push %rbx
11: 48 89 fb mov %rdi,%rbx
14: 48 83 ec 08 sub $0x8,%rsp
18: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax
1c: 84 c0 test %al,%al
1e: 74 08 je 0x28
20: 3c 03 cmp $0x3,%al
22: 0f 8e 4b 01 00 00 jle 0x173
28: 8b 0b mov (%rbx),%ecx
* 2a: 85 c9 test %ecx,%ecx <-- trapping instruction
2c: 74 65 je 0x93
2e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
35: fc ff df
38: 48 8d 7b 08 lea 0x8(%rbx),%rdi
3c: 48 89 fa mov %rdi,%rdx
3f: 48 rex.W