general protection fault, probably for non-canonical address 0xfc3125804f71a91f: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xe1894c027b8d48f8-0xe1894c027b8d48ff] CPU: 0 PID: 9296 Comm: syz-executor.1 Not tainted 6.2.0-syzkaller-13534-gb01fe98d34f3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:may_create_in_sticky fs/namei.c:1238 [inline] RIP: 0010:do_open fs/namei.c:3538 [inline] RIP: 0010:path_openat+0xd23/0x2750 fs/namei.c:3715 Code: 0c 8f 0c 31 ff 48 8b 5b 68 89 ee e8 f7 8e 9b ff 85 ed 75 3d e8 9e 92 9b ff 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 0f 85 1a 0e 00 00 0f b7 2b bf 00 10 00 00 66 81 RSP: 0018:ffffc90015d27b08 EFLAGS: 00010213 RAX: dffffc0000000000 RBX: e1894c027b8d48fe RCX: ffffc9000d5ba000 RDX: 1c3129804f71a91f RSI: ffffffff81e96792 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff8880772ac2fc R14: 0000000000008241 R15: ffffc90015d27c48 FS: 00007f5a8d3fe700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32e2b000 CR3: 000000001c826000 CR4: 0000000000350ef0 Call Trace: do_filp_open+0x1ba/0x410 fs/namei.c:3742 do_sys_openat2+0x16d/0x4c0 fs/open.c:1348 do_sys_open fs/open.c:1364 [inline] __do_sys_creat fs/open.c:1440 [inline] __se_sys_creat fs/open.c:1434 [inline] __x64_sys_creat+0xcd/0x120 fs/open.c:1434 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5a8e88c0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5a8d3fe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f5a8e9abf80 RCX: 00007f5a8e88c0f9 RDX: 0000000000000000 RSI: 1fb978507dcbbb5e RDI: 0000000020000100 RBP: 00007f5a8e8e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffd716632f R14: 00007f5a8d3fe300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:may_create_in_sticky fs/namei.c:1238 [inline] RIP: 0010:do_open fs/namei.c:3538 [inline] RIP: 0010:path_openat+0xd23/0x2750 fs/namei.c:3715 Code: 0c 8f 0c 31 ff 48 8b 5b 68 89 ee e8 f7 8e 9b ff 85 ed 75 3d e8 9e 92 9b ff 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 0f 85 1a 0e 00 00 0f b7 2b bf 00 10 00 00 66 81 RSP: 0018:ffffc90015d27b08 EFLAGS: 00010213 RAX: dffffc0000000000 RBX: e1894c027b8d48fe RCX: ffffc9000d5ba000 RDX: 1c3129804f71a91f RSI: ffffffff81e96792 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff8880772ac2fc R14: 0000000000008241 R15: ffffc90015d27c48 FS: 00007f5a8d3fe700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3263f000 CR3: 000000001c826000 CR4: 0000000000350ee0 ---------------- Code disassembly (best guess), 3 bytes skipped: 0: 31 ff xor %edi,%edi 2: 48 8b 5b 68 mov 0x68(%rbx),%rbx 6: 89 ee mov %ebp,%esi 8: e8 f7 8e 9b ff callq 0xff9b8f04 d: 85 ed test %ebp,%ebp f: 75 3d jne 0x4e 11: e8 9e 92 9b ff callq 0xff9b92b4 16: 48 89 da mov %rbx,%rdx 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 48 c1 ea 03 shr $0x3,%rdx * 27: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2b: 84 c0 test %al,%al 2d: 0f 85 1a 0e 00 00 jne 0xe4d 33: 0f b7 2b movzwl (%rbx),%ebp 36: bf 00 10 00 00 mov $0x1000,%edi 3b: 66 data16 3c: 81 .byte 0x81