R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002 ------------[ cut here ]------------ loop4: detected capacity change from 0 to 8 WARNING: kernel/printk/printk_ringbuffer.c:1278 at get_data+0x364/0x400, CPU#0: in:imklog/174 Modules linked in: CPU: 0 UID: 0 PID: 174 Comm: in:imklog Not tainted 6.18.0-rc4-next-20251106 #1 PREEMPT(voluntary) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:get_data+0x364/0x400 Code: e8 83 e0 07 83 c0 03 38 d0 0f 8c be fe ff ff 84 d2 0f 84 b6 fe ff ff 48 89 ef e8 e7 4c 5c 00 e9 a9 fe ff ff e8 6d 1c 1f 00 90 <0f> 0b 90 45 31 e4 e9 3b ff ff ff e8 5c 1c 1f 00 90 0f 0b 90 45 31 RSP: 0018:ffff88801b5ff768 EFLAGS: 00010293 FAT-fs (loop4): bread failed, FSINFO block (sector = 244) RAX: 0000000000000000 RBX: ffff88801b5ff880 RCX: ffffffff8155afe6 RDX: ffff888015f05340 RSI: ffffffff8155b1b3 RDI: 0000000000000006 RBP: ffff88801b5ff848 R08: 0000000000001003 R09: 00000151e7121ddd R10: 0000000000000000 R11: 00002a2a82000019 R12: ffffffff85d2e610 R13: 00003fffffffffff R14: 0000000000000000 R15: 0000000000000000 FS: 00007f41f43e1700(0000) GS:ffff8880e539c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f33d2694000 CR3: 000000000e2cb000 CR4: 0000000000350ef0 Call Trace: _prb_read_valid+0x2f3/0x830 prb_read_valid+0x78/0xa0 syslog_print+0x37c/0x5c0 loop7: detected capacity change from 0 to 127 do_syslog.part.0+0x20b/0x5b0 do_syslog+0xcd/0x110 kmsg_read+0x8e/0xc0 proc_reg_read+0x120/0x310 vfs_read+0x1eb/0xc70 ksys_read+0x121/0x240 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f41f4e2408c Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 89 fc ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 bf fc ff ff 48 RSP: 002b:00007f41f43c04d0 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f41f4e2408c RDX: 0000000000001fa0 RSI: 00007f41f43c0d00 RDI: 0000000000000005 RBP: 00005633839334c0 R08: 0000000000000000 R09: 000056338392fe88 R10: a3d70a3d70a3d70b R11: 0000000000000246 R12: 00007f41f43c0d00 R13: 0000000000001fa0 R14: 00007f41f43c0d00 R15: 00007f41f43c0d82 irq event stamp: 64211 hardirqs last enabled at (64219): [] __up_console_sem+0x78/0x80 vfat: Unknown parameter 'ˆ' hardirqs last disabled at (64226): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (63722): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (63717): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- loop7: detected capacity change from 0 to 127 vfat: Unknown parameter 'ˆ' loop0: detected capacity change from 0 to 8 loop5: detected capacity change from 0 to 8 FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) loop7: detected capacity change from 0 to 8 loop4: detected capacity change from 0 to 8 FAT-fs (loop0): FAT read failed (blocknr 32) FAT-fs (loop4): bread failed, FSINFO block (sector = 244) FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop7): FAT read failed (blocknr 32) FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop7): FAT read failed (blocknr 32)