BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD a66bd067 P4D a66bd067 PUD 9e61d067 PMD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 7109 Comm: syz-fuzzer Not tainted 5.8.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__syscall_return_slowpath+0x0/0x280 arch/x86/entry/common.c:309
Code: ff 0f 00 00 00 00 8b bd c0 06 00 00 00 00 74 50 02 49 00 00 00 00 00 00 00 00 00 00 00 00 e8 37 a5 4c 00 00 00 00 0b 0f 1f 00 <00> 00 00 00 8b 04 25 00 00 00 00 00 54 55 53 48 00 00 00 00 b4 08
RSP: 0018:ffffc90005527f38 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000119 RCX: ffffffff81d190b9
RDX: ffff88805fba2480 RSI: ffffffff81d18fdc RDI: ffffc90005527f58
RBP: ffffc90005527f58 R08: 0000000000000001 R09: ffff88809f4bc83f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  000000c000043210(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000955dd000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_syscall_64+0x6c/0xe0 arch/x86/entry/common.c:368
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD a66bd067 P4D a66bd067 PUD 9e61d067 PMD 0 
Oops: 0002 [#2] PREEMPT SMP KASAN
CPU: 1 PID: 7109 Comm: syz-fuzzer Not tainted 5.8.0-rc3-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: e8 55 00 00 00 00 39 eb 76 ce 00 00 00 00 00 44 89 e0 00 00 00 00 c3 e8 7e 5a 00 00 00 00 ff ff ff 66 00 00 00 00 00 00 00 00 <00> 00 00 00 48 89 fb e8 00 00 00 00 8b 2d 66 7e 00 00 00 00 00 00
RSP: 0018:ffffc90005527450 EFLAGS: 00010093
RAX: 0000000000000000 RBX: ffffc900055274f0 RCX: ffffffff816a5e70
RDX: ffff88805fba2480 RSI: ffffffff816a5e9b RDI: 0000000000460dd0
RBP: 0000000000460dd0 R08: ffffc90005527600 R09: ffffffff8c8cc109
R10: 0000000000460dd0 R11: 0000000000000000 R12: ffffc90005527600
R13: 0000000000000001 R14: 0000000000460dd0 R15: ffffc90005527510
FS:  000000c000043210(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000955dd000 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: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+0x8ce/0xd00 arch/x86/mm/fault.c:1258
 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:565
RIP: 0010:__syscall_return_slowpath+0x0/0x280 arch/x86/entry/common.c:309
Code: ff 0f 00 00 00 00 8b bd c0 06 00 00 00 00 74 50 02 49 00 00 00 00 00 00 00 00 00 00 00 00 e8 37 a5 4c 00 00 00 00 0b 0f 1f 00 <00> 00 00 00 8b 04 25 00 00 00 00 00 54 55 53 48 00 00 00 00 b4 08
RSP: 0018:ffffc90005527f38 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000119 RCX: ffffffff81d190b9
RDX: ffff88805fba2480 RSI: ffffffff81d18fdc RDI: ffffc90005527f58
RBP: ffffc90005527f58 R08: 0000000000000001 R09: ffff88809f4bc83f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 do_syscall_64+0x6c/0xe0 arch/x86/entry/common.c:368
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD a66bd067 P4D a66bd067 PUD 9e61d067 PMD 0 
Oops: 0002 [#3] PREEMPT SMP KASAN
CPU: 1 PID: 7109 Comm: syz-fuzzer Not tainted 5.8.0-rc3-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: e8 55 00 00 00 00 39 eb 76 ce 00 00 00 00 00 44 89 e0 00 00 00 00 c3 e8 7e 5a 00 00 00 00 ff ff ff 66 00 00 00 00 00 00 00 00 <00> 00 00 00 48 89 fb e8 00 00 00 00 8b 2d 66 7e 00 00 00 00 00 00
RSP: 0018:ffffc90005526940 EFLAGS: 00010093
RAX: 0000000000000000 RBX: ffffc900055269e0 RCX: ffffffff816a5e70
RDX: ffff88805fba2480 RSI: ffffffff816a5e9b RDI: 0000000000460dd0
RBP: 0000000000460dd0 R08: ffffc90005526af0 R09: ffff8880ae723dc5
R10: 0000000000460dd0 R11: 0000000000000001 R12: ffffc90005526af0
R13: 0000000000000001 R14: 0000000000460dd0 R15: ffffc90005526a00
FS:  000000c000043210(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000955dd000 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+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:565
RIP: 0010:in_gate_area_no_mm+0x0/0x6a arch/x86/entry/vsyscall/vsyscall_64.c:343
Code: e8 55 00 00 00 00 39 eb 76 ce 00 00 00 00 00 44 89 e0 00 00 00 00 c3 e8 7e 5a 00 00 00 00 ff ff ff 66 00 00 00 00 00 00 00 00 <00> 00 00 00 48 89 fb e8 00 00 00 00 8b 2d 66 7e 00 00 00 00 00 00
RSP: 0018:ffffc90005527450 EFLAGS: 00010093
RAX: 0000000000000000 RBX: ffffc900055274f0 RCX: ffffffff816a5e70
RDX: ffff88805fba2480 RSI: ffffffff816a5e9b RDI: 0000000000460dd0
RBP: 0000000000460dd0 R08: ffffc90005527600 R09: ffffffff8c8cc109
R10: 0000000000460dd0 R11: 0000000000000000 R12: ffffc90005527600
R13: 0000000000000001 R14: 0000000000460dd0 R15: ffffc90005527510
 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: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+0x8ce/0xd00 arch/x86/mm/fault.c:1258
Lost 44 message(s)!