dfe0: 76fcae88 76fcae78 00018734 0012fc20
 r10:00000036 r9:83ed5400 r8:8020029c r7:00000036 r6:0012e624 r5:00000000
 r4:00000000
------------[ cut here ]------------
WARNING: drivers/mtd/mtdpart.c:37 at release_mtd_partition+0x4c/0x50 drivers/mtd/mtdpart.c:37, CPU#0: syz.1.1529/9074
Modules linked in:
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 0 UID: 0 PID: 9074 Comm: syz.1.1529 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: ARM-Versatile Express
Call trace: 
[<802019e8>] (dump_backtrace) from [<80201adc>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:8228ef3c r6:00000000 r5:822a086c r4:00000001
[<80201ac4>] (show_stack) from [<8021ee48>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201ac4>] (show_stack) from [<8021ee48>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120)
[<8021edec>] (dump_stack_lvl) from [<8021ee74>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r7:8228ef3c r6:83ed5400 r5:00000000 r4:82a7dd14
[<8021ee5c>] (dump_stack) from [<8020256c>] (vpanic+0xe0/0x2e4 kernel/panic.c:490)
[<8020248c>] (vpanic) from [<802027a4>] (trace_suspend_resume+0x0/0xd8 kernel/panic.c:627)
 r7:80ce6a68
[<80202770>] (panic) from [<8025158c>] (check_panic_on_warn kernel/panic.c:377 [inline])
[<80202770>] (panic) from [<8025158c>] (get_taint+0x0/0x1c kernel/panic.c:372)
 r3:8280c544 r2:00000001 r1:822876bc r0:8228ef3c
[<80251514>] (check_panic_on_warn) from [<80251708>] (__warn+0x98/0x1a8 kernel/panic.c:902)
[<80251670>] (__warn) from [<80251990>] (warn_slowpath_fmt+0x178/0x1f4 kernel/panic.c:929)
 r8:00000009 r7:8235a0b0 r6:eab3dbbc r5:83ed5400 r4:00000000
[<8025181c>] (warn_slowpath_fmt) from [<80ce6a68>] (release_mtd_partition+0x4c/0x50 drivers/mtd/mtdpart.c:37)
 r10:fffffff4 r9:84cf80f8 r8:82979808 r7:00000000 r6:84fa0ac0 r5:84cf8000
 r4:84cf8000
[<80ce6a1c>] (release_mtd_partition) from [<80ce0fe0>] (mtd_release+0x40/0x54 drivers/mtd/mtdcore.c:101)
 r5:84cf8000 r4:05a00008
[<80ce0fa0>] (mtd_release) from [<80b70680>] (device_release+0x38/0xa8 drivers/base/core.c:2565)
 r5:00000000 r4:84cf80f8
[<80b70648>] (device_release) from [<81a89068>] (kobject_cleanup lib/kobject.c:689 [inline])
[<80b70648>] (device_release) from [<81a89068>] (kobject_release lib/kobject.c:720 [inline])
[<80b70648>] (device_release) from [<81a89068>] (kref_put include/linux/kref.h:65 [inline])
[<80b70648>] (device_release) from [<81a89068>] (kobject_put+0xa0/0x258 lib/kobject.c:737)
 r5:81d53c94 r4:84cf80f8
[<81a88fc8>] (kobject_put) from [<80b708c0>] (put_device+0x18/0x1c drivers/base/core.c:3797)
 r8:82979808 r7:05a00008 r6:fffffff4 r5:00000004 r4:84cf8000
[<80b708a8>] (put_device) from [<80ce3e24>] (add_mtd_device+0x478/0x824 drivers/mtd/mtdcore.c:802)
[<80ce39ac>] (add_mtd_device) from [<80ce6958>] (mtd_add_partition+0x140/0x204 drivers/mtd/mtdpart.c:279)
 r10:0002001f r9:83f1fef8 r8:84cf8300 r7:85bcc700 r6:84cf8000 r5:83f1fc00
 r4:83f1ff20
[<80ce6818>] (mtd_add_partition) from [<80ce9e14>] (mtdchar_blkpg_ioctl drivers/mtd/mtdchar.c:562 [inline])
[<80ce6818>] (mtd_add_partition) from [<80ce9e14>] (mtdchar_ioctl+0x125c/0x1474 drivers/mtd/mtdchar.c:1218)
 r10:83ed5400 r9:84fa0400 r8:859206c0 r7:83f1fc00 r6:20000680 r5:00000000
 r4:0002001f
[<80ce8bb8>] (mtdchar_ioctl) from [<80cea078>] (mtdchar_unlocked_ioctl+0x4c/0x64 drivers/mtd/mtdchar.c:1241)
 r10:83ed5400 r9:00000004 r8:859206c0 r7:20000680 r6:00001269 r5:859206c0
 r4:83f1ff34
[<80cea02c>] (mtdchar_unlocked_ioctl) from [<80584374>] (vfs_ioctl fs/ioctl.c:51 [inline])
[<80cea02c>] (mtdchar_unlocked_ioctl) from [<80584374>] (do_vfs_ioctl fs/ioctl.c:551 [inline])
[<80cea02c>] (mtdchar_unlocked_ioctl) from [<80584374>] (__do_sys_ioctl fs/ioctl.c:595 [inline])
[<80cea02c>] (mtdchar_unlocked_ioctl) from [<80584374>] (sys_ioctl+0x244/0xb5c fs/ioctl.c:583)
 r7:20000680 r6:00001269 r5:859206c1 r4:00000000
[<80584130>] (sys_ioctl) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67)
Exception stack(0xeab3dfa8 to 0xeab3dff0)
dfa0:                   00000000 00000000 00000004 00001269 20000680 00000000
dfc0: 00000000 00000000 0012e624 00000036 003462d8 00000000 00000001 76fcb0dc
dfe0: 76fcae88 76fcae78 00018734 0012fc20
 r10:00000036 r9:83ed5400 r8:8020029c r7:00000036 r6:0012e624 r5:00000000
 r4:00000000
Rebooting in 86400 seconds..