BUG: kernel NULL pointer dereference, address: 0000000000000282 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 4b287067 P4D 4b287067 PUD 4b288067 PMD 0 Oops: 0002 [#1] PREEMPT SMP KASAN CPU: 0 PID: 7320 Comm: syz-executor.5 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+0x26/0x280 arch/x86/entry/common.c:316 Code: 0b 0f 1f 00 41 55 65 48 8b 04 25 00 ff 01 00 41 54 55 53 48 83 3d d1 5f b4 08 00 48 8b 18 74 3f 48 89 fd 9c 58 0f 1f 44 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:ffffc90007d97f18 EFLAGS: 00010282 RAX: 0000000000000282 RBX: 0000000000000000 RCX: ffffffff8165f037 RDX: ffff88804b2ca340 RSI: ffffffff8165efe5 RDI: ffffc90007d97f58 RBP: ffffc90007d97f58 R08: 00000000227fde3a R09: ffffc90007d97e57 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000ce4940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000282 CR3: 000000004b286000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: do_syscall_64+0x6c/0xe0 arch/x86/entry/common.c:368 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45f96a Code: Bad RIP value. RSP: 002b:00007fff8bce57f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e4 RAX: 0000000000000000 RBX: 00000000000a9831 RCX: 000000000045f96a RDX: 0000000000000000 RSI: 00007fff8bce5800 RDI: 0000000000000001 RBP: 0000000000000654 R08: 0000000000000001 R09: 0000000000ce4940 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000f R13: 00007fff8bce5860 R14: 00000000000a978a R15: 00007fff8bce5870 Modules linked in: CR2: 0000000000000282 ---[ end trace a4c3981bc07de3e7 ]--- RIP: 0010:__syscall_return_slowpath+0x26/0x280 arch/x86/entry/common.c:316 Code: 0b 0f 1f 00 41 55 65 48 8b 04 25 00 ff 01 00 41 54 55 53 48 83 3d d1 5f b4 08 00 48 8b 18 74 3f 48 89 fd 9c 58 0f 1f 44 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:ffffc90007d97f18 EFLAGS: 00010282 RAX: 0000000000000282 RBX: 0000000000000000 RCX: ffffffff8165f037 RDX: ffff88804b2ca340 RSI: ffffffff8165efe5 RDI: ffffc90007d97f58 RBP: ffffc90007d97f58 R08: 00000000227fde3a R09: ffffc90007d97e57 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000ce4940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000282 CR3: 000000004b286000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600