RDX: 0000000000000000 RSI: 0000000000001269 RDI: 0000000000000003
RBP: 00007f719e52b090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007f719d9b5fa0 R15: 00007ffc1a033aa8
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 0 PID: 10779 at drivers/mtd/mtdpart.c:37 release_mtd_partition+0x71/0x90 drivers/mtd/mtdpart.c:37
Modules linked in:
CPU: 0 UID: 0 PID: 10779 Comm: syz.0.1039 Tainted: G     U              6.15.0-syzkaller-10402-g4cb6c8af8591 #0 PREEMPT(full) 
Tainted: [U]=USER
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:release_mtd_partition+0x71/0x90 drivers/mtd/mtdpart.c:37
Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 1e 48 8b 7b 38 e8 bf e7 ae fb 48 89 df 5b 5d e9 b5 e7 ae fb e8 b0 3b 54 fb 90 <0f> 0b 90 eb c2 e8 45 da b9 fb eb db 48 89 ef e8 3b da b9 fb eb a5
RSP: 0018:ffffc9000130f840 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888144adb000 RCX: ffffffff8b73d1cd
RDX: ffff8880282a0000 RSI: ffffffff86671c80 RDI: ffff888144adb000
RBP: ffff888144adb648 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888144701ce0 R15: 0000000000000000
FS:  00007f719e52b6c0(0000) GS:ffff88812497b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b301f4ff8 CR3: 00000000278e2000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 mtd_release+0xa0/0xd0 drivers/mtd/mtdcore.c:101
 device_release+0xa4/0x240 drivers/base/core.c:2568
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1e7/0x5a0 lib/kobject.c:737
 put_device+0x1f/0x30 drivers/base/core.c:3800
 add_mtd_device+0xbc7/0x1720 drivers/mtd/mtdcore.c:752
 mtd_add_partition+0x30c/0x670 drivers/mtd/mtdpart.c:279
 mtdchar_blkpg_ioctl+0x20b/0x250 drivers/mtd/mtdchar.c:562
 mtdchar_ioctl+0xbc4/0x2090 drivers/mtd/mtdchar.c:1216
 mtdchar_unlocked_ioctl+0xb0/0xf0 drivers/mtd/mtdchar.c:1239
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f719d78e969
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f719e52b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f719d9b5fa0 RCX: 00007f719d78e969
RDX: 0000000000000000 RSI: 0000000000001269 RDI: 0000000000000003
RBP: 00007f719e52b090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007f719d9b5fa0 R15: 00007ffc1a033aa8
 </TASK>