audit: type=1400 audit(1664847082.314:8): avc: denied { kernel } for pid=3849 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: 112 at kernel/events/core.c:2233 event_filter_match+0x422/0x660
Modules linked in:
CPU: 0 PID: 112 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: 0000:ffff88806ce09c70 EFLAGS: 00010046
RAX: 0000000080010002 RBX: ffff88803d310000 RCX: 0000000000000000
RDX: ffff888017588000 RSI: ffffffff8154d8d2 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88803d310220
R13: 0000000000000000 R14: ffff88803d3100a8 R15: ffff88803d310220
FS: 00007f8205da5900(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f820523e5f0 CR3: 000000000f08e000 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:check_preemption_disabled+0x3e/0x180
Code: 44 8b 25 dd d8 dc 7b 65 8b 1d 7e 2d dd 7b 81 e3 ff ff ff 7f 31 ff 89 de 0f 1f 44 00 00 85 db 74 15 0f 1f 44 00 00 44 89 e0 5b <5d> 41 5c 41 5d 41 5e e9 16 fa 3a 00 0f 1f 44 00 00 9c 5b 81 e3 00
RSP: 0000:ffff88801883fa58 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffff888010036000 RCX: ffffffff817aa35c
RDX: 1ffff11002006d29 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffffff849ec800 R08: 0000000000000000 R09: ffffea0000699b47
R10: fffff940000d3368 R11: 0000000000000001 R12: 0000000000000000
R13: ffffffff849ec7c0 R14: 0000000000000001 R15: 0000000000000000
rcu_is_watching+0x11/0xb0
unlock_page_memcg+0xba/0x230
mark_buffer_dirty+0x515/0x6c0
__block_commit_write.constprop.0.isra.0+0x157/0x2c0
block_page_mkwrite+0x4b5/0x550
ext4_page_mkwrite+0xc8f/0x1a70
do_page_mkwrite+0x1a0/0x640
do_wp_page+0xed1/0x2050
__handle_mm_fault+0x11eb/0x35e0
handle_mm_fault+0x2e6/0xa20
do_user_addr_fault+0x536/0x1300
exc_page_fault+0x98/0x1a0
asm_exc_page_fault+0x22/0x30
RIP: 0033:0x7f8206929d0a
Code: 24 38 be 02 00 00 00 48 89 ef e8 11 59 e9 ff 85 c0 78 5d 48 8b 4c 24 38 48 8b 54 24 20 48 8b 41 20 48 89 42 20 48 8b 44 24 28 <48> 89 41 20 66 90 48 8b 5c 24 10 48 89 13 48 8b 5c 24 18 48 89 03
RSP: 002b:00007fff461f8390 EFLAGS: 00010202
RAX: 00000000001354d8 RBX: 000056205b500f90 RCX: 00007f820523e5d0
RDX: 00007f82052c54d8 RSI: 000056205b500f9b RDI: 00007f820523e603
RBP: 000056205b52af40 R08: 0000000000000043 R09: 00007fff461f83c0
R10: 0000000000000002 R11: 0000000000037514 R12: 000000000000001b
R13: 0441f0e2fa9bf6df R14: 0000000000000000 R15: 00007fff461f83c8
irq event stamp: 426376
hardirqs last enabled at (426375): [] _raw_spin_unlock_irqrestore+0x28/0x60
hardirqs last disabled at (426376): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (426060): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (425937): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 112 at kernel/events/core.c:2557 merge_sched_in+0xadb/0x1110
Modules linked in:
CPU: 0 PID: 112 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: 0000:ffff88806ce09cb0 EFLAGS: 00010046
RAX: 0000000080010002 RBX: ffff88806ce3d2c0 RCX: 0000000000000000
RDX: ffff888017588000 RSI: ffffffff8156fe4b RDI: 0000000000000005
RBP: ffff88803d310000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88806ce3d2c0
R13: ffff88806ce00000 R14: ffff88803d3100a8 R15: ffff88803d310220
FS: 00007f8205da5900(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f820523e5f0 CR3: 000000000f08e000 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:check_preemption_disabled+0x3e/0x180
Code: 44 8b 25 dd d8 dc 7b 65 8b 1d 7e 2d dd 7b 81 e3 ff ff ff 7f 31 ff 89 de 0f 1f 44 00 00 85 db 74 15 0f 1f 44 00 00 44 89 e0 5b <5d> 41 5c 41 5d 41 5e e9 16 fa 3a 00 0f 1f 44 00 00 9c 5b 81 e3 00
RSP: 0000:ffff88801883fa58 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffff888010036000 RCX: ffffffff817aa35c
RDX: 1ffff11002006d29 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffffff849ec800 R08: 0000000000000000 R09: ffffea0000699b47
R10: fffff940000d3368 R11: 0000000000000001 R12: 0000000000000000
R13: ffffffff849ec7c0 R14: 0000000000000001 R15: 0000000000000000
rcu_is_watching+0x11/0xb0
unlock_page_memcg+0xba/0x230
mark_buffer_dirty+0x515/0x6c0
__block_commit_write.constprop.0.isra.0+0x157/0x2c0
block_page_mkwrite+0x4b5/0x550
ext4_page_mkwrite+0xc8f/0x1a70
do_page_mkwrite+0x1a0/0x640
do_wp_page+0xed1/0x2050
__handle_mm_fault+0x11eb/0x35e0
handle_mm_fault+0x2e6/0xa20
do_user_addr_fault+0x536/0x1300
exc_page_fault+0x98/0x1a0
asm_exc_page_fault+0x22/0x30
RIP: 0033:0x7f8206929d0a
Code: 24 38 be 02 00 00 00 48 89 ef e8 11 59 e9 ff 85 c0 78 5d 48 8b 4c 24 38 48 8b 54 24 20 48 8b 41 20 48 89 42 20 48 8b 44 24 28 <48> 89 41 20 66 90 48 8b 5c 24 10 48 89 13 48 8b 5c 24 18 48 89 03
RSP: 002b:00007fff461f8390 EFLAGS: 00010202
RAX: 00000000001354d8 RBX: 000056205b500f90 RCX: 00007f820523e5d0
RDX: 00007f82052c54d8 RSI: 000056205b500f9b RDI: 00007f820523e603
RBP: 000056205b52af40 R08: 0000000000000043 R09: 00007fff461f83c0
R10: 0000000000000002 R11: 0000000000037514 R12: 000000000000001b
R13: 0441f0e2fa9bf6df R14: 0000000000000000 R15: 00007fff461f83c8
irq event stamp: 426376
hardirqs last enabled at (426375): [] _raw_spin_unlock_irqrestore+0x28/0x60
hardirqs last disabled at (426376): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (426060): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (425937): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
loop0: detected capacity change from 0 to 128
=======================================================
WARNING: The mand mount option has been deprecated and
and is ignored by this kernel. Remove the mand
option from the mount to silence this warning.
=======================================================
SELinux: security_context_str_to_sid (user_u) failed with errno=-22
loop0: detected capacity change from 0 to 2
loop0: detected capacity change from 0 to 128
SELinux: security_context_str_to_sid (user_u) failed with errno=-22
----------------
Code disassembly (best guess):
0: 44 8b 25 dd d8 dc 7b mov 0x7bdcd8dd(%rip),%r12d # 0x7bdcd8e4
7: 65 8b 1d 7e 2d dd 7b mov %gs:0x7bdd2d7e(%rip),%ebx # 0x7bdd2d8c
e: 81 e3 ff ff ff 7f and $0x7fffffff,%ebx
14: 31 ff xor %edi,%edi
16: 89 de mov %ebx,%esi
18: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
1d: 85 db test %ebx,%ebx
1f: 74 15 je 0x36
21: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
26: 44 89 e0 mov %r12d,%eax
29: 5b pop %rbx
* 2a: 5d pop %rbp <-- trapping instruction
2b: 41 5c pop %r12
2d: 41 5d pop %r13
2f: 41 5e pop %r14
31: e9 16 fa 3a 00 jmpq 0x3afa4c
36: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
3b: 9c pushfq
3c: 5b pop %rbx
3d: 81 .byte 0x81
3e: e3 00 jrcxz 0x40