Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f95d41770c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f95d359c120 RCX: 00007f95d347cae9 RDX: 0000000000000c41 RSI: 0000000020002000 RDI: ffffffffffffff9c RBP: 00007f95d4177120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000006e R14: 00007f95d359c120 R15: 00007ffe72def1a8 general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] CPU: 0 PID: 363 Comm: syz-executor.0 Not tainted 6.1.25-syzkaller-00921-gb15c3a3df0a8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:get_fuse_mount fs/fuse/fuse_i.h:971 [inline] RIP: 0010:fuse_file_put+0x11d/0x2420 fs/fuse/file.c:119 Code: 01 00 00 00 89 de e8 52 e6 5f ff 83 fb 01 0f 85 ee 00 00 00 4d 8d 6c 24 28 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ef e8 75 1a a6 ff 4c 8d bc 24 c0 00 00 00 RSP: 0018:ffffc90002e8ee80 EFLAGS: 00010206 RAX: 0000000000000005 RBX: 0000000000000001 RCX: dffffc0000000000 RDX: ffff88811102a880 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffffc90002e8f220 R08: ffffffff82150fde R09: ffffed102005b9c6 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 0000000000000028 R14: ffff8881002dce00 R15: ffff8881002dce28 FS: 00007f95d41776c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f95d4197fa8 CR3: 0000000123e2e000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: fuse_sync_release+0x81/0xb0 fs/fuse/file.c:400 fuse_create_open+0x1bd3/0x3480 fs/fuse/dir.c:816 fuse_atomic_open+0x22e/0x3a0 fs/fuse/dir.c:878 atomic_open fs/namei.c:3276 [inline] lookup_open fs/namei.c:3384 [inline] open_last_lookups fs/namei.c:3481 [inline] path_openat+0xf52/0x2d60 fs/namei.c:3711 do_filp_open+0x230/0x480 fs/namei.c:3741 do_sys_openat2+0x13f/0x850 fs/open.c:1333 do_sys_open fs/open.c:1349 [inline] __do_sys_openat fs/open.c:1365 [inline] __se_sys_openat fs/open.c:1360 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1360 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f95d347cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f95d41770c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f95d359c120 RCX: 00007f95d347cae9 RDX: 0000000000000c41 RSI: 0000000020002000 RDI: ffffffffffffff9c RBP: 00007f95d4177120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000006e R14: 00007f95d359c120 R15: 00007ffe72def1a8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:get_fuse_mount fs/fuse/fuse_i.h:971 [inline] RIP: 0010:fuse_file_put+0x11d/0x2420 fs/fuse/file.c:119 Code: 01 00 00 00 89 de e8 52 e6 5f ff 83 fb 01 0f 85 ee 00 00 00 4d 8d 6c 24 28 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ef e8 75 1a a6 ff 4c 8d bc 24 c0 00 00 00 RSP: 0018:ffffc90002e8ee80 EFLAGS: 00010206 RAX: 0000000000000005 RBX: 0000000000000001 RCX: dffffc0000000000 RDX: ffff88811102a880 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffffc90002e8f220 R08: ffffffff82150fde R09: ffffed102005b9c6 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 0000000000000028 R14: ffff8881002dce00 R15: ffff8881002dce28 FS: 00007f95d41776c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f95d4177d58 CR3: 0000000123e2e000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 28 00 sub %al,(%rax) 2: 00 00 add %al,(%rax) 4: 75 05 jne 0xb 6: 48 83 c4 28 add $0x28,%rsp a: c3 ret b: e8 e1 20 00 00 call 0x20f1 10: 90 nop 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall * 2a: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 c7 c1 b0 ff ff ff mov $0xffffffffffffffb0,%rcx 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W