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: 0 PID: 1942 Comm: syz-executor.4 Not tainted 5.4.16-syzkaller-01258-g4a192aa559b1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:do_last fs/namei.c:3369 [inline] RIP: 0010:path_openat+0x324/0x3c00 fs/namei.c:3646 Code: 48 89 84 24 00 01 00 00 42 80 3c 38 00 74 08 48 89 df e8 5f ac f8 ff 48 89 5c 24 38 48 8b 1b 48 8d 7b 04 48 89 f8 48 c1 e8 03 <42> 8a 04 38 84 c0 0f 85 4b 24 00 00 8b 43 04 89 84 24 08 01 00 00 RSP: 0018:ffff88819d6ef920 EFLAGS: 00010247 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8881d36be740 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000004 RBP: ffff88819d6efbf0 R08: ffffffff81791d62 R09: 0000000000000003 R10: ffffed1033added7 R11: 0000000000000004 R12: ffff88819d6efc48 R13: ffff8881d6a64300 R14: ffff88819d6efe40 R15: dffffc0000000000 FS: 00000000012db940(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002010743f CR3: 000000019d6c7002 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_filp_open+0x1f7/0x430 fs/namei.c:3676 do_sys_open+0x36f/0x7a0 fs/open.c:1109 __do_sys_open fs/open.c:1127 [inline] __se_sys_open fs/open.c:1122 [inline] __x64_sys_open+0x87/0x90 fs/open.c:1122 do_syscall_64+0xc0/0x100 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x415110 Code: 05 48 3d 01 f0 ff ff 0f 83 2d 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d 5d 33 66 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 0a fa ff ff RSP: 002b:00007ffe44e8a208 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00000000000b9da7 RCX: 0000000000415110 RDX: 00007ffe44e8a218 RSI: 0000000000000000 RDI: 00007ffe44e8a2b0 RBP: 00000000012db914 R08: 0000000000000000 R09: 000000000000000e R10: 000000000000000a R11: 0000000000000246 R12: 00007ffe44e8b340 R13: 00000000012dc940 R14: 0000000000000000 R15: 0000000000000004 Modules linked in: ---[ end trace b36c7f8ebe98e927 ]--- RIP: 0010:do_last fs/namei.c:3369 [inline] RIP: 0010:path_openat+0x324/0x3c00 fs/namei.c:3646 Code: 48 89 84 24 00 01 00 00 42 80 3c 38 00 74 08 48 89 df e8 5f ac f8 ff 48 89 5c 24 38 48 8b 1b 48 8d 7b 04 48 89 f8 48 c1 e8 03 <42> 8a 04 38 84 c0 0f 85 4b 24 00 00 8b 43 04 89 84 24 08 01 00 00 RSP: 0018:ffff88819d6ef920 EFLAGS: 00010247 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8881d36be740 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000004 RBP: ffff88819d6efbf0 R08: ffffffff81791d62 R09: 0000000000000003 R10: ffffed1033added7 R11: 0000000000000004 R12: ffff88819d6efc48 R13: ffff8881d6a64300 R14: ffff88819d6efe40 R15: dffffc0000000000 FS: 00000000012db940(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020d9c43f CR3: 000000019d6c7004 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400