BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD a1d35067 P4D a1d35067 PUD a23be067 PMD 0 Oops: 0002 [#1] PREEMPT SMP KASAN CPU: 1 PID: 27418 Comm: syz-executor.3 Not tainted 5.7.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:295 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:ffffc900021b7f28 EFLAGS: 00010296 RAX: 0000000000000000 RBX: ffffffff886003e8 RCX: 948806c212936400 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000286 RBP: 0000000000000000 R08: ffffffff8178fda0 R09: fffffbfff16fccd5 R10: fffffbfff16fccd5 R11: 0000000000000000 R12: 0000000000000023 R13: dffffc0000000000 R14: ffffc900021b7f58 R15: 0000000000000000 FS: 0000000002b56940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000877fd000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x45ad91 Code: 75 14 b8 23 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 8a 46 00 00 48 89 04 24 b8 23 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 d3 46 00 00 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007fff628c1d30 EFLAGS: 00000293 ORIG_RAX: 0000000000000023 RAX: ffffffffffffffda RBX: 0000000000092638 RCX: 000000000045ad91 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff628c1d40 RBP: 0000000000000001 R08: 00000000da999716 R09: 00ffffffffffffff R10: 00007fff628c1e30 R11: 0000000000000293 R12: 000000000076bf00 R13: 000000000076c900 R14: 000000000009238f R15: 000000000076bfac Modules linked in: CR2: 0000000000000000 ---[ end trace 4262b222bebecffd ]--- RIP: 0010:do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:295 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:ffffc900021b7f28 EFLAGS: 00010296 RAX: 0000000000000000 RBX: ffffffff886003e8 RCX: 948806c212936400 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000286 RBP: 0000000000000000 R08: ffffffff8178fda0 R09: fffffbfff16fccd5 R10: fffffbfff16fccd5 R11: 0000000000000000 R12: 0000000000000023 R13: dffffc0000000000 R14: ffffc900021b7f58 R15: 0000000000000000 FS: 0000000002b56940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000877fd000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400