audit: type=1400 audit(1664655382.064:8): avc: denied { kernel } for pid=4008 comm="syz-executor.6" 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: 4006 at kernel/events/core.c:2233 event_filter_match+0x422/0x660
Modules linked in:
CPU: 0 PID: 4006 Comm: syz-executor.0 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: ffff88803ed20000 RCX: 0000000000000000
RDX: ffff88803e925040 RSI: ffffffff8154d8d2 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88803ed20220
R13: 0000000000000000 R14: ffff88803ed200a8 R15: ffff88803ed20220
FS: 00007f669e6c8700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7eab6c1018 CR3: 000000000ed74000 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:lock_acquire+0x11/0x530
Code: c7 c7 08 80 b0 85 e8 4e 57 4e 00 e9 d9 fe ff ff 66 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 41 57 41 89 f7 41 56 <49> 89 fe 41 55 41 89 d5 41 54 41 89 cc 55 44 89 c5 53 48 81 ec b0
RSP: 0018:ffff88803eb87b60 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 0000000000000040 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff85407320
RBP: ffff88803eb87c18 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000040 R11: 0000000000000001 R12: ffff88803eb87cc0
R13: ffff88801d940000 R14: ffff88803eb87ea8 R15: 0000000000000000
path_init+0x6ce/0x1830
path_lookupat+0x30/0x850
filename_lookup+0x1ce/0x590
user_path_at_empty+0x42/0x60
do_fchownat+0xe1/0x1e0
__x64_sys_chown+0x77/0xc0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f66a1152b19
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:00007f669e6c8188 EFLAGS: 00000246 ORIG_RAX: 000000000000005c
RAX: ffffffffffffffda RBX: 00007f66a1265f60 RCX: 00007f66a1152b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140
RBP: 00007f66a11acf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcd635d71f R14: 00007f669e6c8300 R15: 0000000000022000
irq event stamp: 486
hardirqs last enabled at (485): [] _raw_spin_unlock_irqrestore+0x28/0x60
hardirqs last disabled at (486): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (14): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (3): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4006 at kernel/events/core.c:2557 merge_sched_in+0xadb/0x1110
Modules linked in:
CPU: 0 PID: 4006 Comm: syz-executor.0 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: ffff88806ce3f200 RCX: 0000000000000000
RDX: ffff88803e925040 RSI: ffffffff8156fe4b RDI: 0000000000000005
RBP: ffff88803ed20000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88806ce3f200
R13: 0000000000000001 R14: ffff88803ed200a8 R15: ffff88803ed20220
FS: 00007f669e6c8700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7eab6c1018 CR3: 000000000ed74000 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:lock_acquire+0x11/0x530
Code: c7 c7 08 80 b0 85 e8 4e 57 4e 00 e9 d9 fe ff ff 66 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 41 57 41 89 f7 41 56 <49> 89 fe 41 55 41 89 d5 41 54 41 89 cc 55 44 89 c5 53 48 81 ec b0
RSP: 0018:ffff88803eb87b60 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 0000000000000040 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff85407320
RBP: ffff88803eb87c18 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000040 R11: 0000000000000001 R12: ffff88803eb87cc0
R13: ffff88801d940000 R14: ffff88803eb87ea8 R15: 0000000000000000
path_init+0x6ce/0x1830
path_lookupat+0x30/0x850
filename_lookup+0x1ce/0x590
user_path_at_empty+0x42/0x60
do_fchownat+0xe1/0x1e0
__x64_sys_chown+0x77/0xc0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f66a1152b19
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:00007f669e6c8188 EFLAGS: 00000246 ORIG_RAX: 000000000000005c
RAX: ffffffffffffffda RBX: 00007f66a1265f60 RCX: 00007f66a1152b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140
RBP: 00007f66a11acf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcd635d71f R14: 00007f669e6c8300 R15: 0000000000022000
irq event stamp: 486
hardirqs last enabled at (485): [] _raw_spin_unlock_irqrestore+0x28/0x60
hardirqs last disabled at (486): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (14): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (3): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
======================================================
----------------
Code disassembly (best guess):
0: c7 c7 08 80 b0 85 mov $0x85b08008,%edi
6: e8 4e 57 4e 00 callq 0x4e5759
b: e9 d9 fe ff ff jmpq 0xfffffee9
10: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1)
17: 00 00
19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
20: fc ff df
23: 41 57 push %r15
25: 41 89 f7 mov %esi,%r15d
28: 41 56 push %r14
* 2a: 49 89 fe mov %rdi,%r14 <-- trapping instruction
2d: 41 55 push %r13
2f: 41 89 d5 mov %edx,%r13d
32: 41 54 push %r12
34: 41 89 cc mov %ecx,%r12d
37: 55 push %rbp
38: 44 89 c5 mov %r8d,%ebp
3b: 53 push %rbx
3c: 48 rex.W
3d: 81 .byte 0x81
3e: ec in (%dx),%al
3f: b0 .byte 0xb0