kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 26919 Comm: modprobe Not tainted 4.19.101-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:do_last fs/namei.c:3262 [inline] RIP: 0010:path_openat+0x293/0x4500 fs/namei.c:3537 Code: 80 3c 02 00 0f 85 fa 34 00 00 48 8b 85 28 ff ff ff 48 8b 58 58 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 RSP: 0018:ffff888095917ae0 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff81b02b3e RDX: 0000000000000000 RSI: ffffffff81b02b4c RDI: 0000000000000004 RBP: ffff888095917c60 R08: ffff88808ee583c0 R09: 0000000000000001 R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000000000000000 R13: ffff888095917e60 R14: ffff888095917e60 R15: ffff888095917ca0 FS: 00007fa71ee20700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e625000 CR3: 00000000797f9000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_filp_open+0x1a1/0x280 fs/namei.c:3567 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_open fs/open.c:1106 [inline] __se_sys_open fs/open.c:1101 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1101 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fa71e738120 Code: 48 8b 15 1b 4d 2b 00 f7 d8 64 89 02 83 c8 ff c3 90 90 90 90 90 90 90 90 90 90 83 3d d5 a4 2b 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e 8c 01 00 48 89 04 24 RSP: 002b:00007fffd1c3de38 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 000055e93347b240 RCX: 00007fa71e738120 RDX: 00007fffd1c3e06c RSI: 0000000000080000 RDI: 00007fffd1c3e050 RBP: 00007fa71ec08300 R08: 0000000000000000 R09: 000055e93347b219 R10: 0000000000000000 R11: 0000000000000246 R12: 000055e933473210 R13: 000055e93347b210 R14: 000055e933473210 R15: 00007fffd1c3e050 Modules linked in: ---[ end trace a39e7f3135f4dce3 ]--- RIP: 0010:do_last fs/namei.c:3262 [inline] RIP: 0010:path_openat+0x293/0x4500 fs/namei.c:3537 Code: 80 3c 02 00 0f 85 fa 34 00 00 48 8b 85 28 ff ff ff 48 8b 58 58 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 RSP: 0018:ffff888095917ae0 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff81b02b3e RDX: 0000000000000000 RSI: ffffffff81b02b4c RDI: 0000000000000004 RBP: ffff888095917c60 R08: ffff88808ee583c0 R09: 0000000000000001 R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000000000000000 R13: ffff888095917e60 R14: ffff888095917e60 R15: ffff888095917ca0 FS: 00007fa71ee20700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001ca8bf8 CR3: 00000000797f9000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400