0x00000000047c-0x00000001047d : ""
ftl_cs: FTL header corrupt!
------------[ cut here ]------------
wbt_init(disk)
WARNING: block/blk-wbt.c:741 at wbt_init_enable_default+0x4e/0x60 block/blk-wbt.c:741, CPU#1: syz.7.1554/12036
Modules linked in:
CPU: 1 UID: 0 PID: 12036 Comm: syz.7.1554 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:wbt_init_enable_default+0x4e/0x60 block/blk-wbt.c:741
Code: ff 89 c6 e8 04 c4 31 fd 85 db 75 18 e8 bb bf 31 fd 5b e9 70 89 7d fc cc e8 af bf 31 fd 5b e9 64 89 7d fc cc e8 a3 bf 31 fd 90 <0f> 0b 90 5b e9 54 89 7d fc cc 0f 1f 84 00 00 00 00 00 90 90 90 90
RSP: 0018:ffffc900034f71b8 EFLAGS: 00010283
RAX: ffffffff8492b7ad RBX: 00000000fffffff4 RCX: 0000000000080000
RDX: ffffc9000cbeb000 RSI: 0000000000016d91 RDI: 0000000000016d92
RBP: 1ffff11004d01212 R08: ffffffff8fef1b77 R09: 1ffffffff1fde36e
R10: dffffc0000000000 R11: fffffbfff1fde36f R12: 0000000000000000
R13: 1ffff11004d02002 R14: ffff888026809000 R15: ffff888026810000
FS:  00007fe41b7c96c0(0000) GS:ffff8881257f5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30823ffc CR3: 00000000485c7000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 blk_register_queue+0x36a/0x3f0 block/blk-sysfs.c:935
 __add_disk+0x677/0xd50 block/genhd.c:528
 add_disk_fwnode+0xfb/0x480 block/genhd.c:597
 add_mtd_blktrans_dev+0xe6f/0x14b0 drivers/mtd/mtd_blkdevs.c:382
 mtdblock_add_mtd+0x18a/0x240 drivers/mtd/mtdblock.c:333
 blktrans_notify_add+0x9f/0xf0 drivers/mtd/mtd_blkdevs.c:464
 add_mtd_device+0x1137/0x17c0 drivers/mtd/mtdcore.c:820
 mtd_add_partition+0x316/0x510 drivers/mtd/mtdpart.c:279
 mtdchar_blkpg_ioctl+0x28a/0x2c0 drivers/mtd/mtdchar.c:562
 mtdchar_ioctl+0x14f7/0x1bc0 drivers/mtd/mtdchar.c:1218
 mtdchar_unlocked_ioctl+0xae/0xd0 drivers/mtd/mtdchar.c:1241
 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:63 [inline]
 do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe41a99aeb9
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:00007fe41b7c9028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe41ac16090 RCX: 00007fe41a99aeb9
RDX: 0000200000000040 RSI: 0000000000001269 RDI: 0000000000000006
RBP: 00007fe41aa08c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe41ac16128 R14: 00007fe41ac16090 R15: 00007fff355aa108
 </TASK>