audit: type=1400 audit(1663597322.548:8): avc: denied { kernel } for pid=3717 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
capability: warning: `syz-executor.3' uses deprecated v2 capabilities in a way that may be insecure
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3569 at kernel/events/core.c:2047 perf_group_detach+0x99e/0x12f0
Modules linked in:
CPU: 0 PID: 3569 Comm: systemd-udevd 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:perf_group_detach+0x99e/0x12f0
Code: 85 d5 f8 ff ff e8 22 57 ee ff 65 44 8b 25 46 b5 aa 7e 31 ff 44 89 e6 e8 c0 53 ee ff 45 85 e4 0f 84 0a 05 00 00 e8 02 57 ee ff <0f> 0b e9 a9 f8 ff ff e8 f6 56 ee ff 65 8b 1d 1b b5 aa 7e 31 ff 89
RSP: 0018:ffff88806ce09e60 EFLAGS: 00010046
RAX: 0000000080010001 RBX: ffff888008660000 RCX: 0000000000000000
RDX: ffff88801da0b580 RSI: ffffffff8157c08e RDI: 0000000000000005
RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865ac01b R12: 0000000000000000
R13: ffff888008660090 R14: ffff88806ce3d140 R15: ffff888008660000
FS: 00007f4c910158c0(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f38f2bfe028 CR3: 000000003eb04000 CR4: 0000000000350ef0
Call Trace:
__perf_remove_from_context+0x71e/0xb20
event_function+0x297/0x3d0
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:obj_cgroup_charge+0x250/0x870
Code: 85 3d 05 00 00 49 c7 44 24 28 00 00 00 00 48 c7 c6 2b 10 7b 81 4c 89 e7 e8 4d 27 af ff 4d 85 f6 74 06 e8 a3 df d1 ff fb 31 c0 <45> 84 ff 0f 85 f2 00 00 00 49 89 df 81 e3 ff 0f 00 00 49 c1 ef 0c
RSP: 0018:ffff888018597a08 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000288 RCX: 1ffffffff0b600c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88800d80f980 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88806ce34be0
R13: ffffffff87058700 R14: 0000000000000200 R15: 0000000000000000
kmem_cache_alloc+0xa2/0x3e0
__alloc_file+0x21/0x240
alloc_empty_file+0x6d/0x170
path_openat+0xd4/0x2800
do_filp_open+0x1b6/0x410
do_sys_openat2+0x171/0x4c0
__x64_sys_openat+0x13f/0x1f0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f4c914c4be7
Code: 25 00 00 41 00 3d 00 00 41 00 74 47 64 8b 04 25 18 00 00 00 85 c0 75 6b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 95 00 00 00 48 8b 4c 24 28 64 48 2b 0c 25
RSP: 002b:00007fff8cb8ad60 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4c914c4be7
RDX: 00000000000800c2 RSI: 00005609bc4a43d0 RDI: 00000000ffffff9c
RBP: 00005609bc4a43d0 R08: 000000000000003d R09: 00007fff8cbae080
R10: 0000000000000180 R11: 0000000000000246 R12: 00000000000800c2
R13: 00007f4c91563ca0 R14: 00007fff8cb8ae00 R15: 8421084210842109
irq event stamp: 44642
hardirqs last enabled at (44641): [] obj_cgroup_charge+0x24d/0x870
hardirqs last disabled at (44642): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (44562): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (44497): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3569 at kernel/events/core.c:2183 perf_group_detach+0x9c7/0x12f0
Modules linked in:
CPU: 0 PID: 3569 Comm: systemd-udevd 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:perf_group_detach+0x9c7/0x12f0
Code: ff 0f 0b e9 a9 f8 ff ff e8 f6 56 ee ff 65 8b 1d 1b b5 aa 7e 31 ff 89 de e8 96 53 ee ff 85 db 0f 84 86 04 00 00 e8 d9 56 ee ff <0f> 0b e9 0e fa ff ff e8 cd 56 ee ff 48 8b 7c 24 20 48 81 c7 f8 00
RSP: 0018:ffff88806ce09e60 EFLAGS: 00010046
RAX: 0000000080010001 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88801da0b580 RSI: ffffffff8157c0b7 RDI: 0000000000000005
RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865ac01b R12: ffff888008660000
R13: ffff888008660000 R14: ffff88806ce3d140 R15: ffff888008660000
FS: 00007f4c910158c0(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f38f2bfe028 CR3: 000000003eb04000 CR4: 0000000000350ef0
Call Trace:
__perf_remove_from_context+0x71e/0xb20
event_function+0x297/0x3d0
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:obj_cgroup_charge+0x250/0x870
Code: 85 3d 05 00 00 49 c7 44 24 28 00 00 00 00 48 c7 c6 2b 10 7b 81 4c 89 e7 e8 4d 27 af ff 4d 85 f6 74 06 e8 a3 df d1 ff fb 31 c0 <45> 84 ff 0f 85 f2 00 00 00 49 89 df 81 e3 ff 0f 00 00 49 c1 ef 0c
RSP: 0018:ffff888018597a08 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000288 RCX: 1ffffffff0b600c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88800d80f980 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88806ce34be0
R13: ffffffff87058700 R14: 0000000000000200 R15: 0000000000000000
kmem_cache_alloc+0xa2/0x3e0
__alloc_file+0x21/0x240
alloc_empty_file+0x6d/0x170
path_openat+0xd4/0x2800
do_filp_open+0x1b6/0x410
do_sys_openat2+0x171/0x4c0
__x64_sys_openat+0x13f/0x1f0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f4c914c4be7
Code: 25 00 00 41 00 3d 00 00 41 00 74 47 64 8b 04 25 18 00 00 00 85 c0 75 6b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 95 00 00 00 48 8b 4c 24 28 64 48 2b 0c 25
RSP: 002b:00007fff8cb8ad60 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4c914c4be7
RDX: 00000000000800c2 RSI: 00005609bc4a43d0 RDI: 00000000ffffff9c
RBP: 00005609bc4a43d0 R08: 000000000000003d R09: 00007fff8cbae080
R10: 0000000000000180 R11: 0000000000000246 R12: 00000000000800c2
R13: 00007f4c91563ca0 R14: 00007fff8cb8ae00 R15: 8421084210842109
irq event stamp: 44642
hardirqs last enabled at (44641): [] obj_cgroup_charge+0x24d/0x870
hardirqs last disabled at (44642): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (44562): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (44497): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3569 at kernel/events/core.c:655 perf_event_update_sibling_time+0xd5/0x4d0
Modules linked in:
CPU: 0 PID: 3569 Comm: systemd-udevd 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:perf_event_update_sibling_time+0xd5/0x4d0
Code: 5e 41 5f e9 5d c5 f0 ff e8 58 c5 f0 ff 65 8b 1d 7d 23 ad 7e 31 ff 89 de e8 f8 c1 f0 ff 85 db 0f 84 d3 02 00 00 e8 3b c5 f0 ff <0f> 0b eb 97 e8 32 c5 f0 ff 48 8d 7d 10 48 b8 00 00 00 00 00 fc ff
RSP: 0018:ffff88806ce09e58 EFLAGS: 00010046
RAX: 0000000080010001 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88801da0b580 RSI: ffffffff81555255 RDI: 0000000000000005
RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865ac01b R12: 0000000000000000
R13: ffff8880086600a8 R14: 0000000000000001 R15: 0000000000000001
FS: 00007f4c910158c0(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f38f2bfe028 CR3: 000000003eb04000 CR4: 0000000000350ef0
Call Trace:
list_del_event+0x524/0x860
__perf_remove_from_context+0xd2/0xb20
event_function+0x297/0x3d0
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:obj_cgroup_charge+0x250/0x870
Code: 85 3d 05 00 00 49 c7 44 24 28 00 00 00 00 48 c7 c6 2b 10 7b 81 4c 89 e7 e8 4d 27 af ff 4d 85 f6 74 06 e8 a3 df d1 ff fb 31 c0 <45> 84 ff 0f 85 f2 00 00 00 49 89 df 81 e3 ff 0f 00 00 49 c1 ef 0c
RSP: 0018:ffff888018597a08 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000288 RCX: 1ffffffff0b600c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88800d80f980 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88806ce34be0
R13: ffffffff87058700 R14: 0000000000000200 R15: 0000000000000000
kmem_cache_alloc+0xa2/0x3e0
__alloc_file+0x21/0x240
alloc_empty_file+0x6d/0x170
path_openat+0xd4/0x2800
do_filp_open+0x1b6/0x410
do_sys_openat2+0x171/0x4c0
__x64_sys_openat+0x13f/0x1f0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f4c914c4be7
Code: 25 00 00 41 00 3d 00 00 41 00 74 47 64 8b 04 25 18 00 00 00 85 c0 75 6b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 95 00 00 00 48 8b 4c 24 28 64 48 2b 0c 25
RSP: 002b:00007fff8cb8ad60 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4c914c4be7
RDX: 00000000000800c2 RSI: 00005609bc4a43d0 RDI: 00000000ffffff9c
RBP: 00005609bc4a43d0 R08: 000000000000003d R09: 00007fff8cbae080
R10: 0000000000000180 R11: 0000000000000246 R12: 00000000000800c2
R13: 00007f4c91563ca0 R14: 00007fff8cb8ae00 R15: 8421084210842109
irq event stamp: 44642
hardirqs last enabled at (44641): [] obj_cgroup_charge+0x24d/0x870
hardirqs last disabled at (44642): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (44562): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (44497): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
======================================================
----------------
Code disassembly (best guess):
0: 85 3d 05 00 00 49 test %edi,0x49000005(%rip) # 0x4900000b
6: c7 44 24 28 00 00 00 movl $0x0,0x28(%rsp)
d: 00
e: 48 c7 c6 2b 10 7b 81 mov $0xffffffff817b102b,%rsi
15: 4c 89 e7 mov %r12,%rdi
18: e8 4d 27 af ff callq 0xffaf276a
1d: 4d 85 f6 test %r14,%r14
20: 74 06 je 0x28
22: e8 a3 df d1 ff callq 0xffd1dfca
27: fb sti
28: 31 c0 xor %eax,%eax
* 2a: 45 84 ff test %r15b,%r15b <-- trapping instruction
2d: 0f 85 f2 00 00 00 jne 0x125
33: 49 89 df mov %rbx,%r15
36: 81 e3 ff 0f 00 00 and $0xfff,%ebx
3c: 49 c1 ef 0c shr $0xc,%r15