------------[ cut here ]------------ WARNING: CPU: 0 PID: 12245 at kernel/events/core.c:2047 perf_group_detach+0x99e/0x12f0 Modules linked in: CPU: 0 PID: 12245 Comm: syz-executor.6 Not tainted 6.0.0-rc5-next-20220916 #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: 0000000080010002 RBX: ffff888008660000 RCX: 0000000000000000 RDX: ffff8880384b9ac0 RSI: ffffffff8157c03e RDI: 0000000000000005 RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff888008660090 R14: ffff88806ce3ef00 R15: ffff888008660000 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000557cba9606f0 CR3: 000000002a47a000 CR4: 0000000000350ef0 Call Trace: <IRQ> __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 </IRQ> <TASK> asm_sysvec_call_function_single+0x16/0x20 RIP: 0010:lock_acquire+0x1db/0x530 Code: 02 b8 ff ff ff ff 65 0f c1 05 c1 36 d8 7e 83 f8 01 0f 85 c8 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffff88803832f4d0 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff11007065e9c RCX: 00000000f72c9ecb RDX: 1ffff11007097486 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff86ccb7c7 R10: fffffbfff0d996f8 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff85406fa0 R15: 0000000000000000 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 get_signal+0x219a/0x22d0 arch_do_signal_or_restart+0x89/0x1be0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x19/0x40 do_syscall_64+0x48/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd0059deb19 Code: Unable to access opcode bytes at RIP 0x7fd0059deaef. RSP: 002b:00007fd002f54218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007fd005af1f68 RCX: 00007fd0059deb19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fd005af1f68 RBP: 00007fd005af1f60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd005af1f6c R13: 00007ffdf84a3f4f R14: 00007fd002f54300 R15: 0000000000022000 </TASK> irq event stamp: 602 hardirqs last enabled at (601): [<ffffffff84263928>] _raw_spin_unlock_irqrestore+0x28/0x60 hardirqs last disabled at (602): [<ffffffff8424281b>] sysvec_call_function_single+0xb/0xc0 softirqs last enabled at (582): [<ffffffff8117063b>] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (459): [<ffffffff8117063b>] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 12245 at kernel/events/core.c:2183 perf_group_detach+0x9c7/0x12f0 Modules linked in: CPU: 0 PID: 12245 Comm: syz-executor.6 Tainted: G W 6.0.0-rc5-next-20220916 #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: 0000000080010002 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8880384b9ac0 RSI: ffffffff8157c067 RDI: 0000000000000005 RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888008660000 R13: ffff888008660000 R14: ffff88806ce3ef00 R15: ffff888008660000 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000557cba9606f0 CR3: 000000002a47a000 CR4: 0000000000350ef0 Call Trace: <IRQ> __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 </IRQ> <TASK> asm_sysvec_call_function_single+0x16/0x20 RIP: 0010:lock_acquire+0x1db/0x530 Code: 02 b8 ff ff ff ff 65 0f c1 05 c1 36 d8 7e 83 f8 01 0f 85 c8 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffff88803832f4d0 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff11007065e9c RCX: 00000000f72c9ecb RDX: 1ffff11007097486 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff86ccb7c7 R10: fffffbfff0d996f8 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff85406fa0 R15: 0000000000000000 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 get_signal+0x219a/0x22d0 arch_do_signal_or_restart+0x89/0x1be0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x19/0x40 do_syscall_64+0x48/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd0059deb19 Code: Unable to access opcode bytes at RIP 0x7fd0059deaef. RSP: 002b:00007fd002f54218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007fd005af1f68 RCX: 00007fd0059deb19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fd005af1f68 RBP: 00007fd005af1f60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd005af1f6c R13: 00007ffdf84a3f4f R14: 00007fd002f54300 R15: 0000000000022000 </TASK> irq event stamp: 602 hardirqs last enabled at (601): [<ffffffff84263928>] _raw_spin_unlock_irqrestore+0x28/0x60 hardirqs last disabled at (602): [<ffffffff8424281b>] sysvec_call_function_single+0xb/0xc0 softirqs last enabled at (582): [<ffffffff8117063b>] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (459): [<ffffffff8117063b>] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 12245 at kernel/events/core.c:655 perf_event_update_sibling_time+0xd5/0x4d0 Modules linked in: CPU: 0 PID: 12245 Comm: syz-executor.6 Tainted: G W 6.0.0-rc5-next-20220916 #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: 0000000080010002 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8880384b9ac0 RSI: ffffffff81555205 RDI: 0000000000000005 RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff8880086600a8 R14: 0000000000000001 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000557cba9606f0 CR3: 000000002a47a000 CR4: 0000000000350ef0 Call Trace: <IRQ> 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 </IRQ> <TASK> asm_sysvec_call_function_single+0x16/0x20 RIP: 0010:lock_acquire+0x1db/0x530 Code: 02 b8 ff ff ff ff 65 0f c1 05 c1 36 d8 7e 83 f8 01 0f 85 c8 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffff88803832f4d0 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff11007065e9c RCX: 00000000f72c9ecb RDX: 1ffff11007097486 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff86ccb7c7 R10: fffffbfff0d996f8 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff85406fa0 R15: 0000000000000000 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 get_signal+0x219a/0x22d0 arch_do_signal_or_restart+0x89/0x1be0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x19/0x40 do_syscall_64+0x48/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd0059deb19 Code: Unable to access opcode bytes at RIP 0x7fd0059deaef. RSP: 002b:00007fd002f54218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007fd005af1f68 RCX: 00007fd0059deb19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fd005af1f68 RBP: 00007fd005af1f60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd005af1f6c R13: 00007ffdf84a3f4f R14: 00007fd002f54300 R15: 0000000000022000 </TASK> irq event stamp: 602 hardirqs last enabled at (601): [<ffffffff84263928>] _raw_spin_unlock_irqrestore+0x28/0x60 hardirqs last disabled at (602): [<ffffffff8424281b>] sysvec_call_function_single+0xb/0xc0 softirqs last enabled at (582): [<ffffffff8117063b>] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (459): [<ffffffff8117063b>] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 02 b8 ff ff ff ff add -0x1(%rax),%bh 6: 65 0f c1 05 c1 36 d8 xadd %eax,%gs:0x7ed836c1(%rip) # 0x7ed836cf d: 7e e: 83 f8 01 cmp $0x1,%eax 11: 0f 85 c8 02 00 00 jne 0x2df 17: 48 83 7c 24 08 00 cmpq $0x0,0x8(%rsp) 1d: 74 01 je 0x20 1f: fb sti 20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 27: fc ff df * 2a: 48 01 c3 add %rax,%rbx <-- trapping instruction 2d: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 34: 48 c7 43 08 00 00 00 movq $0x0,0x8(%rbx) 3b: 00 3c: 48 rex.W 3d: 8b .byte 0x8b 3e: 84 .byte 0x84 3f: 24 .byte 0x24