general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 17824 Comm: syz-executor.0 Not tainted 5.8.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__switch_to_asm+0x0/0x40 arch/x86/entry/entry_64.S:228 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:ffffc90017437648 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff8880ae735e18 RCX: 0000000000000000 RDX: 1ffff11015ce6bc2 RSI: ffff888096738380 RDI: ffff88809b5d0140 RBP: ffffc90017437718 R08: 0000000000000001 R09: ffff88809b5d0a08 R10: fffffbfff155c549 R11: 00000000fa83b2da R12: ffff8880ae735e00 R13: ffff88809b5d0140 R14: ffff888096738380 R15: ffff88809b5d0570 FS: 00007f8227296700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f82272b79d0 CR3: 0000000094c35000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: context_switch kernel/sched/core.c:3430 [inline] __schedule+0x8e1/0x1eb0 kernel/sched/core.c:4155 preempt_schedule_irq+0xb0/0x150 kernel/sched/core.c:4413 idtentry_exit_cond_resched arch/x86/entry/common.c:621 [inline] idtentry_exit_cond_rcu+0xc0/0xf0 arch/x86/entry/common.c:668 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:596 RIP: 0010:__sanitizer_cov_trace_pc+0x35/0x60 kernel/kcov.c:200 Code: 05 60 ae 8e 7e a9 00 01 ff 00 48 8b 34 24 74 0f f6 c4 01 74 35 8b 82 04 14 00 00 85 c0 74 2b 8b 82 e0 13 00 00 83 f8 02 75 20 <48> 8b 8a e8 13 00 00 8b 92 e4 13 00 00 48 8b 01 48 83 c0 01 48 39 RSP: 0018:ffffc90017437818 EFLAGS: 00000246 RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff86a8a05c RDX: ffff88809b5d0140 RSI: ffffffff86a8a538 RDI: 0000000000000001 RBP: 0000000000067de2 R08: 0000000000000000 R09: ffffffff8c58aa27 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8a96b280 R13: ffffc90017437988 R14: 000000000000000a R15: dffffc0000000000 rcu_read_lock include/linux/rcupdate.h:635 [inline] inet_twsk_purge+0x618/0x7b0 net/ipv4/inet_timewait_sock.c:268 ops_exit_list+0x10d/0x160 net/core/net_namespace.c:189 setup_net+0x502/0x850 net/core/net_namespace.c:364 copy_net_ns+0x2cf/0x5e0 net/core/net_namespace.c:482 create_new_namespaces+0x3f6/0xb10 kernel/nsproxy.c:110 copy_namespaces+0x385/0x470 kernel/nsproxy.c:179 copy_process+0x2b0b/0x6d90 kernel/fork.c:2101 _do_fork+0x12c/0xa70 kernel/fork.c:2443 __do_sys_clone3+0x1dd/0x320 kernel/fork.c:2766 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: unable to handle page fault for address: 0000000040000002 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 94c36067 P4D 94c36067 PUD 0 Oops: 0002 [#2] PREEMPT SMP KASAN CPU: 1 PID: 17824 Comm: syz-executor.0 Not tainted 5.8.0-rc2-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:ffffc90017436c30 EFLAGS: 00010006 RAX: 0000000040000002 RBX: ffffc90017436cd0 RCX: ffffffff8169f760 RDX: ffff88809b5d0140 RSI: ffffffff8169f78b RDI: 000000000045cb19 RBP: 000000000045cb19 R08: ffffc90017436de0 R09: ffffffff8c8c7109 R10: 000000000045cb19 R11: 0000000000000000 R12: ffffc90017436de0 R13: 0000000000000001 R14: 000000000045cb19 R15: ffffc90017436cf0 FS: 00007f8227296700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000040000002 CR3: 0000000094c35000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: is_kernel include/linux/kallsyms.h:43 [inline] is_ksym_addr include/linux/kallsyms.h:49 [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:408 [inline] __die_body arch/x86/kernel/dumpstack.c:393 [inline] die_addr.cold+0x8/0xd arch/x86/kernel/dumpstack.c:433 __exc_general_protection arch/x86/kernel/traps.c:589 [inline] exc_general_protection+0x259/0x720 arch/x86/kernel/traps.c:519 asm_exc_general_protection+0x1e/0x30 arch/x86/include/asm/idtentry.h:559 RIP: 0010:__switch_to_asm+0x0/0x40 arch/x86/entry/entry_64.S:228 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:ffffc90017437648 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff8880ae735e18 RCX: 0000000000000000 RDX: 1ffff11015ce6bc2 RSI: ffff888096738380 RDI: ffff88809b5d0140 RBP: ffffc90017437718 R08: 0000000000000001 R09: ffff88809b5d0a08 R10: fffffbfff155c549 R11: 00000000fa83b2da R12: ffff8880ae735e00 R13: ffff88809b5d0140 R14: ffff888096738380 R15: ffff88809b5d0570 context_switch kernel/sched/core.c:3430 [inline] __schedule+0x8e1/0x1eb0 kernel/sched/core.c:4155 preempt_schedule_irq+0xb0/0x150 kernel/sched/core.c:4413 idtentry_exit_cond_resched arch/x86/entry/common.c:621 [inline] idtentry_exit_cond_rcu+0xc0/0xf0 arch/x86/entry/common.c:668 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:596 RIP: 0010:__sanitizer_cov_trace_pc+0x35/0x60 kernel/kcov.c:200 Code: 05 60 ae 8e 7e a9 00 01 ff 00 48 8b 34 24 74 0f f6 c4 01 74 35 8b 82 04 14 00 00 85 c0 74 2b 8b 82 e0 13 00 00 83 f8 02 75 20 <48> 8b 8a e8 13 00 00 8b 92 e4 13 00 00 48 8b 01 48 83 c0 01 48 39 RSP: 0018:ffffc90017437818 EFLAGS: 00000246 RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff86a8a05c RDX: ffff88809b5d0140 RSI: ffffffff86a8a538 RDI: 0000000000000001 RBP: 0000000000067de2 R08: 0000000000000000 R09: ffffffff8c58aa27 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8a96b280 R13: ffffc90017437988 R14: 000000000000000a R15: dffffc0000000000 rcu_read_lock include/linux/rcupdate.h:635 [inline] inet_twsk_purge+0x618/0x7b0 net/ipv4/inet_timewait_sock.c:268 ops_exit_list+0x10d/0x160 net/core/net_namespace.c:189 setup_net+0x502/0x850 net/core/net_namespace.c:364 copy_net_ns+0x2cf/0x5e0 net/core/net_namespace.c:482 create_new_namespaces+0x3f6/0xb10 kernel/nsproxy.c:110 copy_namespaces+0x385/0x470 kernel/nsproxy.c:179 copy_process+0x2b0b/0x6d90 kernel/fork.c:2101 _do_fork+0x12c/0xa70 kernel/fork.c:2443 __do_sys_clone3+0x1dd/0x320 kernel/fork.c:2766 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: unable to handle page fault for address: 0000000040000002 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 94c36067 P4D 94c36067 PUD 0 Oops: 0002 [#3] PREEMPT SMP KASAN CPU: 1 PID: 17824 Comm: syz-executor.0 Not tainted 5.8.0-rc2-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:ffffc90017436148 EFLAGS: 00010006 RAX: 0000000040000002 RBX: ffffc900174361e8 RCX: ffffffff8169f760 RDX: ffff88809b5d0140 RSI: ffffffff8169f78b RDI: 000000000045cb19 RBP: 000000000045cb19 R08: ffffc900174362f8 R09: ffff8880ae7244ba R10: 000000000045cb19 R11: 0000000000000001 R12: ffffc900174362f8 R13: 0000000000000001 R14: 000000000045cb19 R15: ffffc90017436208 FS: 00007f8227296700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000040000002 CR3: 0000000094c35000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: is_kernel include/linux/kallsyms.h:43 [inline] is_ksym_addr include/linux/kallsyms.h:49 [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 __bad_area_nosemaphore+0xa9/0x480 arch/x86/mm/fault.c:789 do_user_addr_fault arch/x86/mm/fault.c:1242 [inline] handle_page_fault arch/x86/mm/fault.c:1365 [inline] exc_page_fault+0x946/0x14c0 arch/x86/mm/fault.c:1418 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:565 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:ffffc90017436c30 EFLAGS: Lost 144 message(s)!