audit: type=1400 audit(1664525077.715:7): avc: denied { open } for pid=4030 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
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4017 at kernel/events/core.c:2233 event_filter_match+0x422/0x660
Modules linked in:
CPU: 0 PID: 4017 Comm: syz-executor.0 Not tainted 6.0.0-rc7-next-20220929 #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 60 9c 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: 0000000080010003 RBX: ffff888040048000 RCX: 0000000000000000
RDX: ffff88801d8eb580 RSI: ffffffff8154d972 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b401b R12: ffff888040048220
R13: 0000000000000000 R14: ffff8880400480a8 R15: ffff888040048220
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d92c000 CR3: 0000000005226000 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:debug_lockdep_rcu_enabled+0x23/0x30
Code: bf cc cc cc cc cc cc 8b 05 f6 55 8b 01 85 c0 74 21 8b 05 2c 66 8b 01 85 c0 74 17 65 48 8b 04 25 c0 6e 02 00 8b 80 74 09 00 00 <85> c0 0f 94 c0 0f b6 c0 e9 00 26 3b 00 41 54 53 65 8b 05 72 60 dd
RSP: 0018:ffff88803eaff780 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 1ffff11007d5fef5 RCX: ffffffff812a241f
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff85b06a10
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff85b06a17
R10: fffffbfff0b60d42 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000000 R14: ffffffff85407360 R15: 0000000000000000
rcu_read_lock_sched_held+0xd/0x80
lock_acquire+0x45e/0x530
folio_memcg_lock+0x3a/0x4a0
page_remove_rmap+0x1e/0x490
unmap_page_range+0x1c26/0x2a10
unmap_single_vma+0x190/0x380
unmap_vmas+0x21e/0x370
exit_mmap+0x154/0x680
mmput+0xd1/0x390
do_exit+0xa2e/0x27f0
do_group_exit+0xd0/0x2a0
__x64_sys_exit_group+0x3a/0x50
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7efe43422b19
Code: Unable to access opcode bytes at 0x7efe43422aef.
RSP: 002b:00007ffca6634868 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007efe43422b19
RDX: 00007efe433d572b RSI: ffffffffffffffbc RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000001b2d92a294 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffca6634950
irq event stamp: 4730
hardirqs last enabled at (4729): [] folio_memcg_lock+0x130/0x4a0
hardirqs last disabled at (4730): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (4612): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (4479): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4017 at kernel/events/core.c:2557 merge_sched_in+0xadb/0x1110
Modules linked in:
CPU: 0 PID: 4017 Comm: syz-executor.0 Tainted: G W 6.0.0-rc7-next-20220929 #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 ed 76 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: 0000000080010003 RBX: ffff88806ce3d2c0 RCX: 0000000000000000
RDX: ffff88801d8eb580 RSI: ffffffff8156feeb RDI: 0000000000000005
RBP: ffff888040048000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88806ce3d2c0
R13: ffff88806ce00000 R14: ffff8880400480a8 R15: ffff888040048220
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d92c000 CR3: 0000000005226000 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:debug_lockdep_rcu_enabled+0x23/0x30
Code: bf cc cc cc cc cc cc 8b 05 f6 55 8b 01 85 c0 74 21 8b 05 2c 66 8b 01 85 c0 74 17 65 48 8b 04 25 c0 6e 02 00 8b 80 74 09 00 00 <85> c0 0f 94 c0 0f b6 c0 e9 00 26 3b 00 41 54 53 65 8b 05 72 60 dd
RSP: 0018:ffff88803eaff780 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 1ffff11007d5fef5 RCX: ffffffff812a241f
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff85b06a10
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff85b06a17
R10: fffffbfff0b60d42 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000000 R14: ffffffff85407360 R15: 0000000000000000
rcu_read_lock_sched_held+0xd/0x80
lock_acquire+0x45e/0x530
folio_memcg_lock+0x3a/0x4a0
page_remove_rmap+0x1e/0x490
unmap_page_range+0x1c26/0x2a10
unmap_single_vma+0x190/0x380
unmap_vmas+0x21e/0x370
exit_mmap+0x154/0x680
mmput+0xd1/0x390
do_exit+0xa2e/0x27f0
do_group_exit+0xd0/0x2a0
__x64_sys_exit_group+0x3a/0x50
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7efe43422b19
Code: Unable to access opcode bytes at 0x7efe43422aef.
RSP: 002b:00007ffca6634868 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007efe43422b19
RDX: 00007efe433d572b RSI: ffffffffffffffbc RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000001b2d92a294 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffca6634950
irq event stamp: 4730
hardirqs last enabled at (4729): [] folio_memcg_lock+0x130/0x4a0
hardirqs last disabled at (4730): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (4612): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (4479): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
audit: type=1400 audit(1664525077.723:8): avc: denied { kernel } for pid=4030 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
----------------
Code disassembly (best guess):
0: bf cc cc cc cc mov $0xcccccccc,%edi
5: cc int3
6: cc int3
7: 8b 05 f6 55 8b 01 mov 0x18b55f6(%rip),%eax # 0x18b5603
d: 85 c0 test %eax,%eax
f: 74 21 je 0x32
11: 8b 05 2c 66 8b 01 mov 0x18b662c(%rip),%eax # 0x18b6643
17: 85 c0 test %eax,%eax
19: 74 17 je 0x32
1b: 65 48 8b 04 25 c0 6e mov %gs:0x26ec0,%rax
22: 02 00
24: 8b 80 74 09 00 00 mov 0x974(%rax),%eax
* 2a: 85 c0 test %eax,%eax <-- trapping instruction
2c: 0f 94 c0 sete %al
2f: 0f b6 c0 movzbl %al,%eax
32: e9 00 26 3b 00 jmpq 0x3b2637
37: 41 54 push %r12
39: 53 push %rbx
3a: 65 gs
3b: 8b .byte 0x8b
3c: 05 .byte 0x5
3d: 72 60 jb 0x9f
3f: dd .byte 0xdd