loop4: detected capacity change from 0 to 2048 EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. ------------[ cut here ]------------ lim->dma_alignment > PAGE_SIZE WARNING: block/blk-settings.c:497 at blk_validate_limits+0x1676/0x2270 block/blk-settings.c:497, CPU#1: syz.4.2329/12889 Modules linked in: CPU: 1 UID: 0 PID: 12889 Comm: syz.4.2329 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:blk_validate_limits+0x1676/0x2270 block/blk-settings.c:497 Code: e8 3f 86 11 fd 90 0f 0b 90 eb 8f e8 34 86 11 fd 90 0f 0b 90 eb 84 e8 29 86 11 fd 90 0f 0b 90 e9 76 ff ff ff e8 1b 86 11 fd 90 <0f> 0b 90 e9 68 ff ff ff e8 0d 86 11 fd 90 0f 0b 90 e9 81 00 00 00 RSP: 0018:ffffc9000dc6ee60 EFLAGS: 00010283 RAX: ffffffff84b5fdd5 RBX: ffffc9000dc6f0f0 RCX: 0000000000080000 RDX: ffffc90005e31000 RSI: 0000000000000988 RDI: 0000000000000989 RBP: 00000000ffffffff R08: ffff8880238b36b7 R09: 1ffff110047166d6 R10: dffffc0000000000 R11: ffffed10047166d7 R12: ffffc9000dc6f040 R13: dffffc0000000000 R14: 1ffff92001b8de1e R15: dffffc0000000000 FS: 00007fb9abeed6c0(0000) GS:ffff888125018000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000009e030 CR3: 000000007567a000 CR4: 00000000003526f0 Call Trace: queue_limits_commit_update+0x87/0x390 block/blk-settings.c:552 loop_configure+0x7f1/0xdc0 drivers/block/loop.c:1086 lo_ioctl+0xad5/0x2150 drivers/block/loop.c:1564 blkdev_ioctl+0x5e3/0x740 block/ioctl.c:798 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x510 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb9aaf9e0d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb9abeed028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fb9ab225fa0 RCX: 00007fb9aaf9e0d9 RDX: 00002000000002c0 RSI: 0000000000004c0a RDI: 0000000000000004 RBP: 00007fb9ab035024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb9ab226038 R14: 00007fb9ab225fa0 R15: 00007ffdcbd1a448