------------[ cut here ]------------
WARNING: CPU: 1 PID: 22983 at block/blk-mq.c:3881 blk_mq_release+0xac/0x148 block/blk-mq.c:3881
Modules linked in:
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 22983 Comm: syz-executor.1 Not tainted 5.19.0-syzkaller #0
Hardware name: ARM-Versatile Express
Backtrace: 
[<816fd818>] (dump_backtrace) from [<816fdb48>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:253)
 r7:81d75788 r6:824227ac r5:60000093 r4:81d83918
[<816fdb30>] (show_stack) from [<81706ab0>] (__dump_stack lib/dump_stack.c:88 [inline])
[<816fdb30>] (show_stack) from [<81706ab0>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106)
[<81706a68>] (dump_stack_lvl) from [<81706ad4>] (dump_stack+0x18/0x1c lib/dump_stack.c:113)
 r5:00000000 r4:82641d14
[<81706abc>] (dump_stack) from [<816fe6e4>] (panic+0x11c/0x360 kernel/panic.c:274)
[<816fe5c8>] (panic) from [<802422cc>] (__warn+0x98/0x198 kernel/panic.c:624)
 r3:00000001 r2:00000000 r1:00000000 r0:81d75788
 r7:8072d52c
[<80242234>] (__warn) from [<816fe990>] (warn_slowpath_fmt+0x68/0xd4 kernel/panic.c:647)
 r8:00000009 r7:8072d52c r6:00000f29 r5:81dc94a4 r4:00000000
[<816fe92c>] (warn_slowpath_fmt) from [<8072d52c>] (blk_mq_release+0xac/0x148 block/blk-mq.c:3881)
 r8:837e36b8 r7:81dc94a4 r6:8354bca0 r5:8354bcc4 r4:825d47dc
[<8072d480>] (blk_mq_release) from [<8071d178>] (blk_release_queue+0x60/0xa4 block/blk-sysfs.c:780)
 r9:00000004 r8:837e36b8 r7:00000000 r6:00000000 r5:8354bca0 r4:8354bcec
[<8071d118>] (blk_release_queue) from [<8081f410>] (kobject_cleanup lib/kobject.c:673 [inline])
[<8071d118>] (blk_release_queue) from [<8081f410>] (kobject_release lib/kobject.c:704 [inline])
[<8071d118>] (blk_release_queue) from [<8081f410>] (kref_put include/linux/kref.h:65 [inline])
[<8071d118>] (blk_release_queue) from [<8081f410>] (kobject_put+0xc8/0x204 lib/kobject.c:721)
 r5:8253810c r4:8354bcec
[<8081f348>] (kobject_put) from [<8071a274>] (blk_put_queue+0x14/0x18 block/blk-core.c:269)
 r7:837e3600 r6:ffffffff r5:8354bca0 r4:00000000
[<8071a260>] (blk_put_queue) from [<807348e8>] (__alloc_disk_node+0x168/0x17c block/genhd.c:1388)
[<80734780>] (__alloc_disk_node) from [<8072d890>] (__blk_mq_alloc_disk+0x64/0xac block/blk-mq.c:3961)
 r9:00000004 r8:837e36b8 r7:837e3600 r6:826f49b4 r5:837e36b8 r4:8354bca0
[<8072d82c>] (__blk_mq_alloc_disk) from [<809d0114>] (loop_add+0x184/0x2f8 drivers/block/loop.c:1978)
 r7:00000000 r6:8254b484 r5:826f49ac r4:837e3600
[<809cff90>] (loop_add) from [<809d1fac>] (loop_control_ioctl+0xc0/0x230 drivers/block/loop.c:2150)
 r10:837df008 r9:00000004 r8:85883a80 r7:00000000 r6:85883a81 r5:00000000
 r4:00004c80
[<809d1eec>] (loop_control_ioctl) from [<804b45d8>] (vfs_ioctl fs/ioctl.c:51 [inline])
[<809d1eec>] (loop_control_ioctl) from [<804b45d8>] (do_vfs_ioctl fs/ioctl.c:830 [inline])
[<809d1eec>] (loop_control_ioctl) from [<804b45d8>] (__do_sys_ioctl fs/ioctl.c:868 [inline])
[<809d1eec>] (loop_control_ioctl) from [<804b45d8>] (sys_ioctl+0x110/0xa74 fs/ioctl.c:856)
 r6:85883a81 r5:00000000 r4:00004c80
[<804b44c8>] (sys_ioctl) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:64)
Exception stack(0xee8c5fa8 to 0xee8c5ff0)
5fa0:                   00000000 00000000 00000004 00004c80 00000000 00000000
5fc0: 00000000 00000000 00029908 00000036 7ee363b2 76fa86d0 7ee36544 76fa820c
5fe0: 76fa8020 76fa8010 00016420 0004c150
 r10:00000036 r9:8552e9c0 r8:80200288 r7:00000036 r6:00029908 r5:00000000
 r4:00000000
Rebooting in 86400 seconds..