------------[ cut here ]------------ WARNING: CPU: 0 PID: 3817 at kernel/events/core.c:2047 perf_group_detach+0x99e/0x12f0 Modules linked in: CPU: 0 PID: 3817 Comm: syz-executor.7 Not tainted 6.0.0-rc5-next-20220914 #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 96 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 6b b5 aa 7e 31 ff 89 RSP: 0018:ffff88806ce09e60 EFLAGS: 00010046 RAX: 0000000080010003 RBX: ffff8880086605c8 RCX: 0000000000000000 RDX: ffff88800fe40000 RSI: ffffffff8157c03e RDI: 0000000000000005 RBP: ffff8880086605c8 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff888008660658 R14: ffff88806ce3ef00 R15: ffff8880086605c8 FS: 000055555669c400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb65c4983a4 CR3: 0000000009812000 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:__sanitizer_cov_trace_cmp8+0x4/0x20 Code: 00 00 00 00 00 90 48 8b 0c 24 89 f2 89 fe bf 04 00 00 00 e9 1e ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 0c 24 <48> 89 f2 48 89 fe bf 06 00 00 00 e9 fc fe ff ff 66 66 2e 0f 1f 84 RSP: 0018:ffff88802c9af698 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 00000000000357a0 RCX: ffffffff81690ea0 RDX: ffff88800fe40000 RSI: 000000000007ffdf RDI: 00000000000357a0 RBP: 1ffff11005935ed5 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888008a93680 R13: 00007fb6592df000 R14: 000000000007ffdf R15: 0000000000000000 vm_normal_page+0xf0/0x2e0 copy_page_range+0xf78/0x43b0 dup_mmap+0xa4a/0xfc0 dup_mm+0x91/0x380 copy_process+0x6ac7/0x6e20 kernel_clone+0xe7/0x890 __do_sys_clone+0xba/0x100 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb65b44a10b Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00 RSP: 002b:00007ffdb051a5e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb65b44a10b RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000001 R08: 0000000000000000 R09: 000055555669c400 R10: 000055555669c6d0 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffdb051a6c0 irq event stamp: 2053208 hardirqs last enabled at (2053207): [] pte_alloc_one+0x190/0x200 hardirqs last disabled at (2053208): [] sysvec_call_function_single+0xb/0xc0 softirqs last enabled at (2052970): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (2052961): [] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3817 at kernel/events/core.c:2183 perf_group_detach+0x9c7/0x12f0 Modules linked in: CPU: 0 PID: 3817 Comm: syz-executor.7 Tainted: G W 6.0.0-rc5-next-20220914 #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 6b 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: 0000000080010003 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88800fe40000 RSI: ffffffff8157c067 RDI: 0000000000000005 RBP: ffff8880086605c8 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880086605c8 R13: ffff8880086605c8 R14: ffff88806ce3ef00 R15: ffff8880086605c8 FS: 000055555669c400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb65c4983a4 CR3: 0000000009812000 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:__sanitizer_cov_trace_cmp8+0x4/0x20 Code: 00 00 00 00 00 90 48 8b 0c 24 89 f2 89 fe bf 04 00 00 00 e9 1e ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 0c 24 <48> 89 f2 48 89 fe bf 06 00 00 00 e9 fc fe ff ff 66 66 2e 0f 1f 84 RSP: 0018:ffff88802c9af698 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 00000000000357a0 RCX: ffffffff81690ea0 RDX: ffff88800fe40000 RSI: 000000000007ffdf RDI: 00000000000357a0 RBP: 1ffff11005935ed5 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888008a93680 R13: 00007fb6592df000 R14: 000000000007ffdf R15: 0000000000000000 vm_normal_page+0xf0/0x2e0 copy_page_range+0xf78/0x43b0 dup_mmap+0xa4a/0xfc0 dup_mm+0x91/0x380 copy_process+0x6ac7/0x6e20 kernel_clone+0xe7/0x890 __do_sys_clone+0xba/0x100 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb65b44a10b Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00 RSP: 002b:00007ffdb051a5e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb65b44a10b RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000001 R08: 0000000000000000 R09: 000055555669c400 R10: 000055555669c6d0 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffdb051a6c0 irq event stamp: 2053208 hardirqs last enabled at (2053207): [] pte_alloc_one+0x190/0x200 hardirqs last disabled at (2053208): [] sysvec_call_function_single+0xb/0xc0 softirqs last enabled at (2052970): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (2052961): [] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3817 at kernel/events/core.c:655 perf_event_update_sibling_time+0xd5/0x4d0 Modules linked in: CPU: 0 PID: 3817 Comm: syz-executor.7 Tainted: G W 6.0.0-rc5-next-20220914 #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 cd 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: 0000000080010003 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88800fe40000 RSI: ffffffff81555205 RDI: 0000000000000005 RBP: ffff8880086605c8 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff888008660670 R14: 0000000000000001 R15: 0000000000000001 FS: 000055555669c400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb65c4983a4 CR3: 0000000009812000 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:__sanitizer_cov_trace_cmp8+0x4/0x20 Code: 00 00 00 00 00 90 48 8b 0c 24 89 f2 89 fe bf 04 00 00 00 e9 1e ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 0c 24 <48> 89 f2 48 89 fe bf 06 00 00 00 e9 fc fe ff ff 66 66 2e 0f 1f 84 RSP: 0018:ffff88802c9af698 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 00000000000357a0 RCX: ffffffff81690ea0 RDX: ffff88800fe40000 RSI: 000000000007ffdf RDI: 00000000000357a0 RBP: 1ffff11005935ed5 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888008a93680 R13: 00007fb6592df000 R14: 000000000007ffdf R15: 0000000000000000 vm_normal_page+0xf0/0x2e0 copy_page_range+0xf78/0x43b0 dup_mmap+0xa4a/0xfc0 dup_mm+0x91/0x380 copy_process+0x6ac7/0x6e20 kernel_clone+0xe7/0x890 __do_sys_clone+0xba/0x100 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb65b44a10b Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00 RSP: 002b:00007ffdb051a5e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb65b44a10b RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000001 R08: 0000000000000000 R09: 000055555669c400 R10: 000055555669c6d0 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffdb051a6c0 irq event stamp: 2053208 hardirqs last enabled at (2053207): [] pte_alloc_one+0x190/0x200 hardirqs last disabled at (2053208): [] sysvec_call_function_single+0xb/0xc0 softirqs last enabled at (2052970): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (2052961): [] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 00 add %al,(%rax) 4: 00 90 48 8b 0c 24 add %dl,0x240c8b48(%rax) a: 89 f2 mov %esi,%edx c: 89 fe mov %edi,%esi e: bf 04 00 00 00 mov $0x4,%edi 13: e9 1e ff ff ff jmpq 0xffffff36 18: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1) 1f: 00 00 00 00 23: 0f 1f 00 nopl (%rax) 26: 48 8b 0c 24 mov (%rsp),%rcx * 2a: 48 89 f2 mov %rsi,%rdx <-- trapping instruction 2d: 48 89 fe mov %rdi,%rsi 30: bf 06 00 00 00 mov $0x6,%edi 35: e9 fc fe ff ff jmpq 0xffffff36 3a: 66 data16 3b: 66 data16 3c: 2e cs 3d: 0f .byte 0xf 3e: 1f (bad) 3f: 84 .byte 0x84