audit: type=1400 audit(1664643027.135:8): avc: denied { kernel } for pid=3972 comm="syz-executor.4" 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: 3973 at kernel/events/core.c:2233 event_filter_match+0x422/0x660
Modules linked in:
CPU: 0 PID: 3973 Comm: syz-executor.2 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: ffff888040560000 RCX: 0000000000000000
RDX: ffff88801898d040 RSI: ffffffff8154d8d2 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b401b R12: ffff888040560220
R13: 0000000000000000 R14: ffff8880405600a8 R15: ffff888040560220
FS: 0000555555bfa400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f513f5a6f64 CR3: 000000003fa8c000 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:preempt_count_add+0x4a/0x150
Code: c0 03 0f b6 14 11 38 d0 7c 08 84 d2 0f 85 e9 00 00 00 8b 15 68 b6 e5 05 65 01 1d 21 1e e2 7e 85 d2 75 11 65 8b 05 16 1e e2 7e <0f> b6 c0 3d f4 00 00 00 7f 6c 65 8b 05 05 1e e2 7e 25 ff ff ff 7f
RSP: 0018:ffff8880405df4e8 EFLAGS: 00000246
RAX: 0000000080000001 RBX: 0000000000000001 RCX: 1ffffffff0e0c0d8
RDX: 0000000000000000 RSI: ffffffff8134e24b RDI: 0000000000000001
RBP: 00007f513f493c27 R08: 0000000000000007 R09: ffffffffff600000
R10: 00007f513f493000 R11: 000000000003603d R12: ffff8880405df620
R13: 0000000000000000 R14: ffff88801898d040 R15: ffff88801007a200
is_module_text_address+0x15/0x70
kernel_text_address+0x31/0xb0
__kernel_text_address+0x9/0x40
unwind_get_return_address+0x55/0xa0
arch_stack_walk+0x99/0xf0
stack_trace_save+0x8c/0xc0
kasan_save_stack+0x1e/0x40
kasan_set_track+0x21/0x30
kasan_save_free_info+0x2a/0x50
__kasan_slab_free+0x106/0x190
kmem_cache_free_bulk.part.0+0x210/0x770
mas_destroy+0x380/0x560
mas_store_prealloc+0xf0/0x160
__vma_adjust+0x76b/0x1aa0
__split_vma+0x2a1/0x5d0
split_vma+0x9f/0xe0
mprotect_fixup+0x710/0x8c0
do_mprotect_pkey+0x6fb/0xa70
__x64_sys_mprotect+0x74/0xb0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f513f493c27
Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0a 00 00 00 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:00007ffcbbdbb878 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 0000000000021000 RCX: 00007f513f493c27
RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007f513c9ea000
RBP: 00007ffcbbdbb950 R08: 00000000ffffffff R09: 00007f513ca09700
R10: 0000000000020022 R11: 0000000000000206 R12: 00007ffcbbdbba60
R13: 00007f513ca09700 R14: 0000000000000000 R15: 0000000000022000
irq event stamp: 3966
hardirqs last enabled at (3965): [] call_rcu+0x589/0xa30
hardirqs last disabled at (3966): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (3568): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (3523): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3973 at kernel/events/core.c:2557 merge_sched_in+0xadb/0x1110
Modules linked in:
CPU: 0 PID: 3973 Comm: syz-executor.2 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: ffff88801898d040 RSI: ffffffff8156fe4b RDI: 0000000000000005
RBP: ffff888040560000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88806ce3d2c0
R13: ffff88806ce00000 R14: ffff8880405600a8 R15: ffff888040560220
FS: 0000555555bfa400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f513f5a6f64 CR3: 000000003fa8c000 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:preempt_count_add+0x4a/0x150
Code: c0 03 0f b6 14 11 38 d0 7c 08 84 d2 0f 85 e9 00 00 00 8b 15 68 b6 e5 05 65 01 1d 21 1e e2 7e 85 d2 75 11 65 8b 05 16 1e e2 7e <0f> b6 c0 3d f4 00 00 00 7f 6c 65 8b 05 05 1e e2 7e 25 ff ff ff 7f
RSP: 0018:ffff8880405df4e8 EFLAGS: 00000246
RAX: 0000000080000001 RBX: 0000000000000001 RCX: 1ffffffff0e0c0d8
RDX: 0000000000000000 RSI: ffffffff8134e24b RDI: 0000000000000001
RBP: 00007f513f493c27 R08: 0000000000000007 R09: ffffffffff600000
R10: 00007f513f493000 R11: 000000000003603d R12: ffff8880405df620
R13: 0000000000000000 R14: ffff88801898d040 R15: ffff88801007a200
is_module_text_address+0x15/0x70
kernel_text_address+0x31/0xb0
__kernel_text_address+0x9/0x40
unwind_get_return_address+0x55/0xa0
arch_stack_walk+0x99/0xf0
stack_trace_save+0x8c/0xc0
kasan_save_stack+0x1e/0x40
kasan_set_track+0x21/0x30
kasan_save_free_info+0x2a/0x50
__kasan_slab_free+0x106/0x190
kmem_cache_free_bulk.part.0+0x210/0x770
mas_destroy+0x380/0x560
mas_store_prealloc+0xf0/0x160
__vma_adjust+0x76b/0x1aa0
__split_vma+0x2a1/0x5d0
split_vma+0x9f/0xe0
mprotect_fixup+0x710/0x8c0
do_mprotect_pkey+0x6fb/0xa70
__x64_sys_mprotect+0x74/0xb0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f513f493c27
Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0a 00 00 00 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:00007ffcbbdbb878 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 0000000000021000 RCX: 00007f513f493c27
RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007f513c9ea000
RBP: 00007ffcbbdbb950 R08: 00000000ffffffff R09: 00007f513ca09700
R10: 0000000000020022 R11: 0000000000000206 R12: 00007ffcbbdbba60
R13: 00007f513ca09700 R14: 0000000000000000 R15: 0000000000022000
irq event stamp: 3966
hardirqs last enabled at (3965): [] call_rcu+0x589/0xa30
hardirqs last disabled at (3966): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (3568): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (3523): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
9p: Unknown access argument anry: -22
------------[ cut here ]------------
======================================================
----------------
Code disassembly (best guess), 2 bytes skipped:
0: 0f b6 14 11 movzbl (%rcx,%rdx,1),%edx
4: 38 d0 cmp %dl,%al
6: 7c 08 jl 0x10
8: 84 d2 test %dl,%dl
a: 0f 85 e9 00 00 00 jne 0xf9
10: 8b 15 68 b6 e5 05 mov 0x5e5b668(%rip),%edx # 0x5e5b67e
16: 65 01 1d 21 1e e2 7e add %ebx,%gs:0x7ee21e21(%rip) # 0x7ee21e3e
1d: 85 d2 test %edx,%edx
1f: 75 11 jne 0x32
21: 65 8b 05 16 1e e2 7e mov %gs:0x7ee21e16(%rip),%eax # 0x7ee21e3e
* 28: 0f b6 c0 movzbl %al,%eax <-- trapping instruction
2b: 3d f4 00 00 00 cmp $0xf4,%eax
30: 7f 6c jg 0x9e
32: 65 8b 05 05 1e e2 7e mov %gs:0x7ee21e05(%rip),%eax # 0x7ee21e3e
39: 25 ff ff ff 7f and $0x7fffffff,%eax