BUG: kernel NULL pointer dereference, address: 0000000000000005 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 90895067 P4D 90895067 PUD 35b9f067 PMD 0 Oops: 0002 [#1] PREEMPT SMP KASAN CPU: 0 PID: 3600 Comm: syz-executor.4 Not tainted 5.8.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:perf_misc_flags+0x0/0x1a8 arch/x86/events/core.c:2615 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 RSP: 0018:ffffc90000007928 EFLAGS: 00010046 RAX: 0000000000000005 RBX: ffffc90000007a20 RCX: ffffc90000007a26 RDX: 0000000000000000 RSI: ffffffff81907ada RDI: ffffc90008007b68 RBP: ffffc90000007b80 R08: 0000000000000000 R09: ffffffff8c599a27 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88804dbe8000 R14: ffffc90000007a24 R15: ffffc90000007a20 FS: 00007fd3b59ee700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000005 CR3: 0000000034049000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: perf_prepare_sample+0x173/0x1d40 kernel/events/core.c:6985 __perf_event_output kernel/events/core.c:7154 [inline] perf_event_output_forward+0xf3/0x270 kernel/events/core.c:7174 __perf_event_overflow+0x13c/0x370 kernel/events/core.c:8746 perf_swevent_hrtimer+0x27e/0x3e0 kernel/events/core.c:10130 __run_hrtimer kernel/time/hrtimer.c:1520 [inline] __hrtimer_run_queues+0x1d5/0xfc0 kernel/time/hrtimer.c:1584 hrtimer_interrupt+0x32a/0x930 kernel/time/hrtimer.c:1646 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1080 [inline] __sysvec_apic_timer_interrupt+0x142/0x5e0 arch/x86/kernel/apic/apic.c:1097 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] sysvec_apic_timer_interrupt+0xe0/0x120 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:587 RIP: 0010:should_resched arch/x86/include/asm/preempt.h:102 [inline] RIP: 0010:__local_bh_enable_ip+0x189/0x250 kernel/softirq.c:196 Code: 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 c4 00 00 00 48 83 3d 60 5a 6e 08 00 74 7b fb 66 0f 1f 44 00 00 <65> 8b 05 80 78 bb 7e 85 c0 74 6b 5b 5d 41 5c c3 80 3d a3 66 63 09 RSP: 0018:ffffc90008007c18 EFLAGS: 00000286 RAX: 1ffffffff1369c12 RBX: 0000000000000201 RCX: 0000000000000007 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff81468609 RBP: ffffffff876c62b9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88804de80100 R13: ffffc90008007db8 R14: ffff88803a0f0000 R15: 0000000000000000 spin_unlock_bh include/linux/spinlock.h:398 [inline] nl80211_netlink_notify net/wireless/nl80211.c:17308 [inline] nl80211_netlink_notify+0x649/0x970 net/wireless/nl80211.c:17260 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 __blocking_notifier_call_chain kernel/notifier.c:284 [inline] __blocking_notifier_call_chain kernel/notifier.c:271 [inline] blocking_notifier_call_chain kernel/notifier.c:295 [inline] blocking_notifier_call_chain+0x67/0x90 kernel/notifier.c:292 netlink_release+0xc51/0x1cf0 net/netlink/af_netlink.c:774 __sock_release+0xcd/0x280 net/socket.c:605 sock_close+0x18/0x20 net/socket.c:1278 __fput+0x33c/0x880 fs/file_table.c:281 task_work_run+0xdd/0x190 kernel/task_work.c:135 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:239 [inline] __prepare_exit_to_usermode+0x1e9/0x1f0 arch/x86/entry/common.c:269 do_syscall_64+0x6c/0xe0 arch/x86/entry/common.c:393 entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: unable to handle page fault for address: 0000000080010001 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 90895067 P4D 90895067 PUD 0 Oops: 0002 [#2] PREEMPT SMP KASAN CPU: 0 PID: 3600 Comm: syz-executor.4 Not tainted 5.8.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:in_gate_area_no_mm+0x0/0x6a arch/x86/entry/vsyscall/vsyscall_64.c:343 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 RSP: 0018:ffffc90000006e40 EFLAGS: 00010046 RAX: 0000000080010001 RBX: ffffc90000006ee0 RCX: ffffffff816a6060 RDX: ffff88804de80100 RSI: ffffffff816a608b RDI: 0000000000415d51 RBP: 0000000000415d51 R08: ffffc90000006ff0 R09: ffffffff8c8d6109 R10: 0000000000415d51 R11: 0000000000000000 R12: ffffc90000006ff0 R13: 0000000000000001 R14: 0000000000415d51 R15: ffffc90000006f00 FS: 00007fd3b59ee700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000080010001 CR3: 0000000034049000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: is_kernel include/linux/kallsyms.h:44 [inline] is_ksym_addr include/linux/kallsyms.h:50 [inline] kallsyms_lookup+0xc3/0x2e0 kernel/kallsyms.c:290 __sprint_symbol+0x9c/0x1c0 kernel/kallsyms.c:363 symbol_string+0x14c/0x370 lib/vsprintf.c:969 pointer+0x185/0x970 lib/vsprintf.c:2226 vsnprintf+0x5b2/0x14f0 lib/vsprintf.c:2624 vscnprintf+0x29/0x80 lib/vsprintf.c:2723 vprintk_store+0x44/0x4a0 kernel/printk/printk.c:1942 vprintk_emit+0x139/0x770 kernel/printk/printk.c:2003 vprintk_func+0x8f/0x1a6 kernel/printk/printk_safe.c:393 printk+0xba/0xed kernel/printk/printk.c:2070 show_ip+0x22/0x30 arch/x86/kernel/dumpstack.c:124 show_iret_regs+0x10/0x32 arch/x86/kernel/dumpstack.c:131 __show_regs+0x18/0x50 arch/x86/kernel/process_64.c:72 show_trace_log_lvl+0x255/0x2b4 arch/x86/kernel/dumpstack.c:274 show_regs arch/x86/kernel/dumpstack.c:447 [inline] __die_body arch/x86/kernel/dumpstack.c:393 [inline] __die+0x51/0x90 arch/x86/kernel/dumpstack.c:407 no_context+0x56b/0x9f0 arch/x86/mm/fault.c:695 __bad_area_nosemaphore+0xa9/0x480 arch/x86/mm/fault.c:789 do_user_addr_fault+0x783/0xd00 arch/x86/mm/fault.c:1171 handle_page_fault arch/x86/mm/fault.c:1365 [inline] exc_page_fault+0xab/0x170 arch/x86/mm/fault.c:1418 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:544 RIP: 0010:perf_misc_flags+0x0/0x1a8 arch/x86/events/core.c:2615 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 RSP: 0018:ffffc90000007928 EFLAGS: 00010046 RAX: 0000000000000005 RBX: ffffc90000007a20 RCX: ffffc90000007a26 RDX: 0000000000000000 RSI: ffffffff81907ada RDI: ffffc90008007b68 RBP: ffffc90000007b80 R08: 0000000000000000 R09: ffffffff8c599a27 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88804dbe8000 R14: ffffc90000007a24 R15: ffffc90000007a20 perf_prepare_sample+0x173/0x1d40 kernel/events/core.c:6985 __perf_event_output kernel/events/core.c:7154 [inline] perf_event_output_forward+0xf3/0x270 kernel/events/core.c:7174 __perf_event_overflow+0x13c/0x370 kernel/events/core.c:8746 perf_swevent_hrtimer+0x27e/0x3e0 kernel/events/core.c:10130 __run_hrtimer kernel/time/hrtimer.c:1520 [inline] __hrtimer_run_queues+0x1d5/0xfc0 kernel/time/hrtimer.c:1584 hrtimer_interrupt+0x32a/0x930 kernel/time/hrtimer.c:1646 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1080 [inline] __sysvec_apic_timer_interrupt+0x142/0x5e0 arch/x86/kernel/apic/apic.c:1097 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] sysvec_apic_timer_interrupt+0xe0/0x120 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:587 RIP: 0010:should_resched arch/x86/include/asm/preempt.h:102 [inline] RIP: 0010:__local_bh_enable_ip+0x189/0x250 kernel/softirq.c:196 Code: 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 c4 00 00 00 48 83 3d 60 5a 6e 08 00 74 7b fb 66 0f 1f 44 00 00 <65> 8b 05 80 78 bb 7e 85 c0 74 6b 5b 5d 41 5c c3 80 3d a3 66 63 09 RSP: 0018:ffffc90008007c18 EFLAGS: 00000286 RAX: 1ffffffff1369c12 RBX: 0000000000000201 RCX: 0000000000000007 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff81468609 RBP: ffffffff876c62b9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88804de80100 R13: ffffc90008007db8 R14: ffff88803a0f0000 R15: 0000000000000000 spin_unlock_bh include/linux/spinlock.h:398 [inline] nl80211_netlink_notify net/wireless/nl80211.c:17308 [inline] nl80211_netlink_notify+0x649/0x970 net/wireless/nl80211.c:17260 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 __blocking_notifier_call_chain kernel/notifier.c:284 [inline] __blocking_notifier_call_chain kernel/notifier.c:271 [inline] blocking_notifier_call_chain kernel/notifier.c:295 [inline] blocking_notifier_call_chain+0x67/0x90 kernel/notifier.c:292 netlink_release+0xc51/0x1cf0 net/netlink/af_netlink.c:774 __sock_release+0xcd/0x280 net/socket.c:605 sock_close+0x18/0x20 net/socket.c:1278 __fput+0x33c/0x880 fs/file_table.c:281 task_work_run+0xdd/0x190 kernel/task_work.c:135 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:239 [inline] __prepare_exit_to_usermode+0x1e9/0x1f0 arch/x86/entry/common.c:269 do_syscall_64+0x6c/0xe0 arch/x86/entry/common.c:393 entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: unable to handle page fault for address: 0000000080010001 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 90895067 P4D 90895067 PUD 0 Oops: 0002 [#3] PREEMPT SMP KASAN CPU: 0 PID: 3600 Comm: syz-executor.4 Not tainted 5.8.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:in_gate_area_no_mm+0x0/0x6a arch/x86/entry/vsyscall/vsyscall_64.c:343 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 RSP: 0018:ffffc90000006330 EFLAGS: 00010046 RAX: 0000000080010001 RBX: ffffc900000063d0 RCX: ffffffff816a6060 RDX: ffff88804de80100 RSI: ffffffff816a608b RDI: 0000000000415d51 RBP: 0000000000415d51 R08: ffffc900000064e0 R09: ffff8880ae624667 R10: 0000000000415d51 R11: 0000000000000001 R12: ffffc900000064e0 R13: 0000000000000001 R14: 0000000000415d51 R15: ffffc900000063f0 FS: 00007fd3b59ee700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000080010001 CR3: 0000000034049000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: is_kernel include/linux/kallsyms.h:44 [inline] is_ksym_addr include/linux/kallsyms.h:50 [inline] kallsyms_lookup+0xc3/0x2e0 kernel/kallsyms.c:290 __sprint_symbol+0x9c/0x1c0 kernel/kallsyms.c:363 symbol_string+0x14c/0x370 lib/vsprintf.c:969 pointer+0x185/0x970 lib/vsprintf.c:2226 vsnprintf+0x5b2/0x14f0 lib/vsprintf.c:2624 vscnprintf+0x29/0x80 lib/vsprintf.c:2723 printk_safe_log_store+0xf5/0x250 kernel/printk/printk_safe.c:94 vprintk_safe kernel/printk/printk_safe.c:347 [inline] vprintk_func+0xef/0x1a6 kernel/printk/printk_safe.c:390 printk+0xba/0xed kernel/printk/printk.c:2070 show_ip+0x22/0x30 arch/x86/kernel/dumpstack.c:124 show_iret_regs+0x10/0x32 arch/x86/kernel/dumpstack.c:131 __show_regs+0x18/0x50 arch/x86/kernel/process_64.c:72 show_trace_log_lvl+0x255/0x2b4 arch/x86/kernel/dumpstack.c:274 show_regs arch/x86/kernel/dumpstack.c:447 [inline] __die_body arch/x86/kernel/dumpstack.c:393 [inline] __die+0x51/0x90 arch/x86/kernel/dumpstack.c:407 no_context+0x56b/0x9f0 arch/x86/mm/fault.c:695 Lost 165 message(s)!