loop5: detected capacity change from 0 to 4096 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 14932 at mm/vmscan.c:681 register_shrinker_prepared+0x119/0x150 mm/vmscan.c:681 Modules linked in: CPU: 0 PID: 14932 Comm: syz-executor.5 Not tainted 5.19.0-rc1-next-20220606-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:register_shrinker_prepared+0x119/0x150 mm/vmscan.c:681 Code: ff 89 c5 89 c6 e8 e7 18 d1 ff 85 ed 75 17 e8 8e 1c d1 ff 5b 48 c7 c7 20 de e7 8b 5d 41 5c 41 5d e9 dc d2 b3 ff e8 77 1c d1 ff <0f> 0b eb e0 e8 ce f6 1d 00 eb be 4c 89 e7 e8 54 f7 1d 00 eb 81 e8 RSP: 0018:ffffc9000579fcb0 EFLAGS: 00010206 RAX: 0000000000007440 RBX: 0000000000000001 RCX: ffffc90003764000 RDX: 0000000000040000 RSI: ffffffff81a95519 RDI: 0000000000000005 RBP: 00000000fffffff4 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff4 R11: 0000000000000001 R12: ffff88803228c7a0 R13: ffff8880307b07a0 R14: ffff8880307b0000 R15: ffffffff8bfeebe0 FS: 00007f6fe0990700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f840616e218 CR3: 00000000177a7000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sget_fc+0x5e7/0x7c0 fs/super.c:552 get_tree_bdev+0x1c0/0x7e0 fs/super.c:1262 vfs_get_tree+0x89/0x2f0 fs/super.c:1501 do_new_mount fs/namespace.c:3040 [inline] path_mount+0x1320/0x1fa0 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __x64_sys_mount+0x27f/0x300 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f6fdf88a63a Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007f6fe098ff88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f6fdf88a63a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f6fe098ffe0 RBP: 00007f6fe0990020 R08: 00007f6fe0990020 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f6fe098ffe0 R15: 0000000020014d00