audit: type=1400 audit(1664244511.866:8): avc: denied { kernel } for pid=3621 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: 3624 at kernel/events/core.c:2233 event_filter_match+0x422/0x660 Modules linked in: CPU: 0 PID: 3624 Comm: modprobe Not tainted 6.0.0-rc6-next-20220923 #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 1b 1e f1 ff 65 8b 2d e0 88 ad 7e 31 ff 89 ee e8 bb 1a f1 ff 85 ed 0f 84 ef 00 00 00 e8 fe 1d f1 ff <0f> 0b eb 9f e8 c5 80 23 00 e9 17 fc ff ff e8 eb 1d f1 ff 48 8d 7b RSP: 0018:ffff88806ce09c70 EFLAGS: 00010046 RAX: 0000000080010002 RBX: ffff888019d70000 RCX: 0000000000000000 RDX: ffff88800db69ac0 RSI: ffffffff8154ecf2 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: ffffffff865b001b R12: ffff888019d70220 R13: 0000000000000000 R14: ffff888019d700a8 R15: ffff888019d70220 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4fe64ba620 CR3: 000000000dd0c000 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:_raw_spin_unlock_irqrestore+0x2e/0x60 Code: 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 ca 0b 03 fd 48 89 ef e8 32 81 03 fd 80 e7 02 74 06 e8 a8 d5 25 fd fb bf 01 00 00 00 3d 2b f9 fc 65 8b 05 e6 61 db 7b 85 c0 74 07 5b 5d e9 9b 2e 39 RSP: 0018:ffff88801d5d7750 EFLAGS: 00000206 RAX: 0000000000000b99 RBX: 0000000000000202 RCX: ffffffff81297aaf RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffff888019d08a20 R08: 0000000000000001 R09: ffffffff86ccf7ef R10: fffffbfff0d99efd R11: 0000000000000001 R12: ffff888019d08ab0 R13: ffff888019d08a60 R14: dffffc0000000000 R15: ffff888007c75000 __delete_object+0xb3/0x100 kmem_cache_free+0xbd/0x610 mas_destroy+0x2cd/0x560 mas_store_prealloc+0xf0/0x160 mmap_region+0xdc5/0x1a00 do_mmap+0x828/0xf40 vm_mmap_pgoff+0x1af/0x270 vm_mmap+0x95/0xc0 elf_map+0x105/0x2b0 load_elf_binary+0xd89/0x4ef0 bprm_execve+0x7f5/0x1920 kernel_execve+0x3ea/0x500 call_usermodehelper_exec_async+0x2e6/0x580 ret_from_fork+0x22/0x30 irq event stamp: 2970 hardirqs last enabled at (2969): [] _raw_spin_unlock_irqrestore+0x28/0x60 hardirqs last disabled at (2970): [] sysvec_call_function_single+0xb/0xc0 softirqs last enabled at (2378): [] fpu_flush_thread+0x298/0x3d0 softirqs last disabled at (2376): [] fpu_flush_thread+0x21c/0x3d0 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3624 at kernel/events/core.c:2557 merge_sched_in+0xadb/0x1110 Modules linked in: CPU: 0 PID: 3624 Comm: modprobe Tainted: G W 6.0.0-rc6-next-20220923 #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 c8 1a ef ff 65 8b 05 8d 85 ab 7e 31 ff 89 c6 89 04 24 e8 65 17 ef ff 8b 04 24 85 c0 0f 84 13 02 00 00 e8 a5 1a ef ff <0f> 0b e9 c4 fb ff ff e8 99 1a ef ff 4c 89 e8 48 05 18 01 00 00 e9 RSP: 0018:ffff88806ce09cb0 EFLAGS: 00010046 RAX: 0000000080010002 RBX: ffff88806ce3d140 RCX: 0000000000000000 RDX: ffff88800db69ac0 RSI: ffffffff8156f04b RDI: 0000000000000005 RBP: ffff888019d70000 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: ffffffff865b001b R12: ffff88806ce3d140 R13: ffff88806ce00000 R14: ffff888019d700a8 R15: ffff888019d70220 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4fe64ba620 CR3: 000000000dd0c000 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:_raw_spin_unlock_irqrestore+0x2e/0x60 Code: 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 ca 0b 03 fd 48 89 ef e8 32 81 03 fd 80 e7 02 74 06 e8 a8 d5 25 fd fb bf 01 00 00 00 3d 2b f9 fc 65 8b 05 e6 61 db 7b 85 c0 74 07 5b 5d e9 9b 2e 39 RSP: 0018:ffff88801d5d7750 EFLAGS: 00000206 RAX: 0000000000000b99 RBX: 0000000000000202 RCX: ffffffff81297aaf RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffff888019d08a20 R08: 0000000000000001 R09: ffffffff86ccf7ef R10: fffffbfff0d99efd R11: 0000000000000001 R12: ffff888019d08ab0 R13: ffff888019d08a60 R14: dffffc0000000000 R15: ffff888007c75000 __delete_object+0xb3/0x100 kmem_cache_free+0xbd/0x610 mas_destroy+0x2cd/0x560 mas_store_prealloc+0xf0/0x160 mmap_region+0xdc5/0x1a00 do_mmap+0x828/0xf40 vm_mmap_pgoff+0x1af/0x270 vm_mmap+0x95/0xc0 elf_map+0x105/0x2b0 load_elf_binary+0xd89/0x4ef0 bprm_execve+0x7f5/0x1920 kernel_execve+0x3ea/0x500 call_usermodehelper_exec_async+0x2e6/0x580 ret_from_fork+0x22/0x30 irq event stamp: 2970 hardirqs last enabled at (2969): [] _raw_spin_unlock_irqrestore+0x28/0x60 hardirqs last disabled at (2970): [] sysvec_call_function_single+0xb/0xc0 softirqs last enabled at (2378): [] fpu_flush_thread+0x298/0x3d0 softirqs last disabled at (2376): [] fpu_flush_thread+0x21c/0x3d0 ---[ end trace 0000000000000000 ]--- capability: warning: `syz-executor.5' uses 32-bit capabilities (legacy support in use) capability: warning: `syz-executor.5' uses deprecated v2 capabilities in a way that may be insecure ---------------- Code disassembly (best guess): 0: 48 83 c7 18 add $0x18,%rdi 4: 53 push %rbx 5: 48 89 f3 mov %rsi,%rbx 8: 48 8b 74 24 10 mov 0x10(%rsp),%rsi d: e8 ca 0b 03 fd callq 0xfd030bdc 12: 48 89 ef mov %rbp,%rdi 15: e8 32 81 03 fd callq 0xfd03814c 1a: 80 e7 02 and $0x2,%bh 1d: 74 06 je 0x25 1f: e8 a8 d5 25 fd callq 0xfd25d5cc 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 3d 2b f9 fc callq 0xfcf92b6c <-- trapping instruction 2f: 65 8b 05 e6 61 db 7b mov %gs:0x7bdb61e6(%rip),%eax # 0x7bdb621c 36: 85 c0 test %eax,%eax 38: 74 07 je 0x41 3a: 5b pop %rbx 3b: 5d pop %rbp 3c: e9 .byte 0xe9 3d: 9b fwait 3e: 2e cs 3f: 39 .byte 0x39