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: 7444 Comm: syz-executor.0 Not tainted 5.1.0+ #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:do_move_mount.isra.59+0x7e5/0x14f0 fs/namespace.c:2602 Code: 48 83 bd 68 ff ff ff 00 0f 84 63 f9 ff ff 48 8b b5 68 ff ff ff 48 ba 00 00 00 00 00 fc ff df 48 8d 7e 48 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 28 09 00 00 48 8b b5 68 ff ff ff 48 83 7e 48 00 RSP: 0018:ffff888085f8fd60 EFLAGS: 00010206 RAX: ffff8880a0fc1420 RBX: 1ffff11010bf1fb3 RCX: 0000000000000006 RDX: dffffc0000000000 RSI: ffffffffffffffea RDI: 0000000000000032 RBP: ffff888085f8fe20 R08: 1ffff110153036be R09: ffffed1015d66bdf R10: ffff8880a470e680 R11: ffff8880a9ff5a00 R12: ffff888085f8fea8 R13: dffffc0000000000 R14: ffff8880a9ff5a20 R15: ffff888085f8fe70 FS: 00007f432ba90700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000100 CR3: 0000000085d0e000 CR4: 00000000001406f0 Call Trace: __do_sys_move_mount fs/namespace.c:3524 [inline] __se_sys_move_mount fs/namespace.c:3483 [inline] __x64_sys_move_mount+0x277/0x340 fs/namespace.c:3483 do_syscall_64+0xd0/0x520 arch/x86/entry/common.c:298 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4592c9 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f432ba8fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000001ad RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00000000004592c9 RDX: ffffffffffffff9c RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000075c070 R08: 0000000000000066 R09: 0000000000000000 R10: 0000000020000100 R11: 0000000000000246 R12: 00007f432ba906d4 R13: 00000000004c5706 R14: 00000000004d9ba8 R15: 00000000ffffffff Modules linked in: ---[ end trace e5469a8172e1249d ]--- RIP: 0010:do_move_mount.isra.59+0x7e5/0x14f0 fs/namespace.c:2602 Code: 48 83 bd 68 ff ff ff 00 0f 84 63 f9 ff ff 48 8b b5 68 ff ff ff 48 ba 00 00 00 00 00 fc ff df 48 8d 7e 48 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 28 09 00 00 48 8b b5 68 ff ff ff 48 83 7e 48 00 RSP: 0018:ffff888085f8fd60 EFLAGS: 00010206 RAX: ffff8880a0fc1420 RBX: 1ffff11010bf1fb3 RCX: 0000000000000006 RDX: dffffc0000000000 RSI: ffffffffffffffea RDI: 0000000000000032 RBP: ffff888085f8fe20 R08: 1ffff110153036be R09: ffffed1015d66bdf R10: ffff8880a470e680 R11: ffff8880a9ff5a00 R12: ffff888085f8fea8 R13: dffffc0000000000 R14: ffff8880a9ff5a20 R15: ffff888085f8fe70 FS: 00007f432ba90700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1456c90000 CR3: 0000000085d0e000 CR4: 00000000001406f0