INFO: task syz.1.50:4087 blocked for more than 432 seconds.
      Not tainted 6.12.0-rc1-syzkaller-00012-g5f153a692bac #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.50        state:D stack:0     pid:4087  tgid:4086  ppid:3154   flags:0x00000004
Call Trace:
[<ffffffff85fe3a74>] context_switch kernel/sched/core.c:5315 [inline]
[<ffffffff85fe3a74>] __schedule+0xd5a/0x3886 kernel/sched/core.c:6675
[<ffffffff85fe6664>] __schedule_loop kernel/sched/core.c:6752 [inline]
[<ffffffff85fe6664>] schedule+0xc4/0x324 kernel/sched/core.c:6767
[<ffffffff85fe6fac>] schedule_preempt_disabled+0x16/0x28 kernel/sched/core.c:6824
[<ffffffff85fea828>] __mutex_lock_common kernel/locking/mutex.c:684 [inline]
[<ffffffff85fea828>] __mutex_lock+0x86a/0x1022 kernel/locking/mutex.c:752
[<ffffffff85feaff4>] mutex_lock_nested+0x14/0x1c kernel/locking/mutex.c:804
[<ffffffff81273822>] bdev_release+0x12c/0x600 block/bdev.c:1087
[<ffffffff81274ad6>] blkdev_release+0x1a/0x26 block/fops.c:639
[<ffffffff80a2c758>] __fput+0x378/0x9e6 fs/file_table.c:431
[<ffffffff80a2ce6c>] ____fput+0x1c/0x26 fs/file_table.c:459
[<ffffffff8014fb7c>] task_work_run+0x16a/0x25e kernel/task_work.c:228
[<ffffffff85fdac68>] resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
[<ffffffff85fdac68>] exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
[<ffffffff85fdac68>] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
[<ffffffff85fdac68>] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
[<ffffffff85fdac68>] syscall_exit_to_user_mode+0x30a/0x31e kernel/entry/common.c:218
[<ffffffff85fd9b26>] do_trap_ecall_u+0x86/0x216 arch/riscv/kernel/traps.c:345
[<ffffffff85ffcac6>] _new_vmalloc_restore_context_a0+0xc2/0xce
INFO: task syz.1.50:4091 blocked for more than 432 seconds.
      Not tainted 6.12.0-rc1-syzkaller-00012-g5f153a692bac #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.50        state:D stack:0     pid:4091  tgid:4086  ppid:3154   flags:0x00000006
Call Trace:
[<ffffffff85fe3a74>] context_switch kernel/sched/core.c:5315 [inline]
[<ffffffff85fe3a74>] __schedule+0xd5a/0x3886 kernel/sched/core.c:6675
[<ffffffff85fe6664>] __schedule_loop kernel/sched/core.c:6752 [inline]
[<ffffffff85fe6664>] schedule+0xc4/0x324 kernel/sched/core.c:6767
[<ffffffff85fe693c>] io_schedule+0x78/0xd4 kernel/sched/core.c:7552
[<ffffffff806fac7c>] folio_wait_bit_common+0x398/0x944 mm/filemap.c:1309
[<ffffffff807058c6>] folio_put_wait_locked mm/filemap.c:1473 [inline]
[<ffffffff807058c6>] do_read_cache_folio+0x2c0/0x4d2 mm/filemap.c:3807
[<ffffffff80705b26>] read_cache_folio+0x4e/0x68 mm/filemap.c:3857
[<ffffffff81300942>] read_mapping_folio include/linux/pagemap.h:1011 [inline]
[<ffffffff81300942>] read_part_sector+0xc0/0x516 block/partitions/core.c:714
[<ffffffff81300f68>] msdos_partition+0x140/0x25ac block/partitions/msdos.c:592
[<ffffffff812ff7c6>] check_partition block/partitions/core.c:138 [inline]
[<ffffffff812ff7c6>] blk_add_partitions block/partitions/core.c:581 [inline]
[<ffffffff812ff7c6>] bdev_disk_changed+0x5de/0x139c block/partitions/core.c:685
[<ffffffff81270850>] blkdev_get_whole+0x17c/0x514 block/bdev.c:707
[<ffffffff81272ac6>] bdev_open+0x86a/0xfa8 block/bdev.c:916
[<ffffffff81278d14>] blkdev_open+0x334/0x3f0 block/fops.c:631
[<ffffffff80a17e08>] do_dentry_open+0x5d0/0x10a2 fs/open.c:958
[<ffffffff80a1c820>] vfs_open+0xbe/0x37a fs/open.c:1088
[<ffffffff80a69c66>] do_open fs/namei.c:3774 [inline]
[<ffffffff80a69c66>] path_openat+0x1b70/0x28c2 fs/namei.c:3933
[<ffffffff80a6ab2a>] do_filp_open+0x172/0x328 fs/namei.c:3960
[<ffffffff80a1d5c0>] do_sys_openat2+0x174/0x1ca fs/open.c:1415
[<ffffffff80a1df6c>] do_sys_open fs/open.c:1430 [inline]
[<ffffffff80a1df6c>] __do_sys_openat fs/open.c:1446 [inline]
[<ffffffff80a1df6c>] __se_sys_openat fs/open.c:1441 [inline]
[<ffffffff80a1df6c>] __riscv_sys_openat+0x178/0x1fe fs/open.c:1441
[<ffffffff8000f2d4>] syscall_handler+0x94/0x118 arch/riscv/include/asm/syscall.h:90
[<ffffffff85fd9c4a>] do_trap_ecall_u+0x1aa/0x216 arch/riscv/kernel/traps.c:331
[<ffffffff85ffcac6>] _new_vmalloc_restore_context_a0+0xc2/0xce

Showing all locks held in the system:
1 lock held by khungtaskd/36:
 #0: ffffffff87fcc100 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x68/0x2d6 kernel/locking/lockdep.c:6716
3 locks held by kworker/0:2/901:
1 lock held by klogd/2970:
2 locks held by getty/3123:
 #0: ff600000186470a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 drivers/tty/tty_ldsem.c:340
 #1: ff2000000008b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xd7c/0x129a drivers/tty/n_tty.c:2211
2 locks held by syz-executor/3147:
2 locks held by kworker/u10:0/3341:
 #0: ff60000011071148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1dae kernel/workqueue.c:3204
 #1: 
ff2000000bf67c90 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1dae kernel/workqueue.c:3204
1 lock held by syz.1.50/4087:
 #0: ff60000019ac24c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x12c/0x600 block/bdev.c:1087
1 lock held by syz.1.50/4091:
 #0: ff60000019ac24c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x672/0xfa8 block/bdev.c:904
1 lock held by syz.0.128/4738:
1 lock held by modprobe/5182:
2 locks held by syz.2.166/5183:

=============================================

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 36 Comm: khungtaskd Not tainted 6.12.0-rc1-syzkaller-00012-g5f153a692bac #0
Hardware name: riscv-virtio,qemu (DT)
Call Trace:
[<ffffffff80010a14>] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:130
[<ffffffff85f7c3cc>] show_stack+0x34/0x40 arch/riscv/kernel/stacktrace.c:136
[<ffffffff85fd797a>] __dump_stack lib/dump_stack.c:94 [inline]
[<ffffffff85fd797a>] dump_stack_lvl+0x122/0x196 lib/dump_stack.c:120
[<ffffffff85fd7a0a>] dump_stack+0x1c/0x24 lib/dump_stack.c:129
[<ffffffff85f3faae>] nmi_cpu_backtrace+0x39c/0x39e lib/nmi_backtrace.c:113
[<ffffffff85f3fd66>] nmi_trigger_cpumask_backtrace+0x2b6/0x456 lib/nmi_backtrace.c:62
[<ffffffff80019974>] arch_trigger_cpumask_backtrace+0x2c/0x3c arch/riscv/kernel/smp.c:347
[<ffffffff80432c3c>] trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
[<ffffffff80432c3c>] check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
[<ffffffff80432c3c>] watchdog+0xcfa/0x1178 kernel/hung_task.c:379
[<ffffffff80154e14>] kthread+0x28c/0x3a6 kernel/kthread.c:389
[<ffffffff85ffcbde>] ret_from_fork+0xe/0x18 arch/riscv/kernel/entry.S:326
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 4738 Comm: syz.0.128 Not tainted 6.12.0-rc1-syzkaller-00012-g5f153a692bac #0
Hardware name: riscv-virtio,qemu (DT)
epc : fp_is_valid arch/riscv/kernel/stacktrace.c:28 [inline]
epc : walk_stackframe+0x128/0x452 arch/riscv/kernel/stacktrace.c:60
 ra : fp_is_valid arch/riscv/kernel/stacktrace.c:28 [inline]
 ra : walk_stackframe+0x128/0x452 arch/riscv/kernel/stacktrace.c:60
epc : ffffffff800104bc ra : ffffffff800104bc sp : ff2000000ba675d0
 gp : ffffffff897bea80 tp : ff6000002ca34ec0 t0 : ff6000002ca359e0
 t1 : ffebffff05c142ab t2 : 00000000000005d7 s0 : ff2000000ba67650
 s1 : ff2000000ba67770 a0 : 0000000000000006 a1 : ff2000000ba67770
 a2 : ff2000000ba68000 a3 : ffffffff800104bc a4 : 0000000000000002
 a5 : ff6000002ca35ec0 a6 : 0000000000000003 a7 : ff6000002e0a155f
 s2 : ff2000000ba68000 s3 : 0000000000000003 s4 : ff2000000ba67760
 s5 : 0000000000000000 s6 : ffffffff85ffb330 s7 : dfffffff00000000
 s8 : dfffffff00000000 s9 : ffffffff85ffc980 s10: 0000000000007fff
 s11: ff2000000ba67770 t3 : 1fec000005946b3b t4 : ffebffff05c142ab
 t5 : ffebffff05c142ac t6 : 1fec000005946b45
status: 0000000200000120 badaddr: 0000000000000000 cause: 8000000000000001
[<ffffffff800104bc>] fp_is_valid arch/riscv/kernel/stacktrace.c:28 [inline]
[<ffffffff800104bc>] walk_stackframe+0x128/0x452 arch/riscv/kernel/stacktrace.c:60
[<ffffffff85fd9d70>] arch_stack_walk+0x1c/0x24 arch/riscv/kernel/stacktrace.c:163
[<ffffffff8000a754>] return_address+0x98/0xfc arch/riscv/kernel/return_address.c:39
[<ffffffff800df284>] get_lock_parent_ip include/linux/ftrace.h:978 [inline]
[<ffffffff800df284>] __local_bh_disable_ip+0x160/0x1a4 kernel/softirq.c:327
[<ffffffff85ffb330>] __raw_spin_lock_bh include/linux/spinlock_api_smp.h:125 [inline]
[<ffffffff85ffb330>] _raw_spin_lock_bh+0x1e/0x4c kernel/locking/spinlock.c:178
[<ffffffff84c79fec>] spin_lock_bh include/linux/spinlock.h:356 [inline]
[<ffffffff84c79fec>] release_sock+0x2e/0x1c8 net/core/sock.c:3624
[<ffffffff81237590>] aead_check_key.isra.0+0x90/0x200 crypto/algif_aead.c:407
[<ffffffff81238c84>] aead_recvmsg_nokey+0x42/0x90 crypto/algif_aead.c:429
[<ffffffff84c5e4a8>] sock_recvmsg_nosec net/socket.c:1051 [inline]
[<ffffffff84c5e4a8>] ____sys_recvmsg+0x46a/0x55a net/socket.c:2819
[<ffffffff84c66d00>] ___sys_recvmsg+0x112/0x19e net/socket.c:2863
[<ffffffff84c67034>] do_recvmmsg+0x2a8/0x730 net/socket.c:2957
[<ffffffff84c684ea>] __sys_recvmmsg net/socket.c:3036 [inline]
[<ffffffff84c684ea>] __do_sys_recvmmsg net/socket.c:3059 [inline]
[<ffffffff84c684ea>] __se_sys_recvmmsg net/socket.c:3052 [inline]
[<ffffffff84c684ea>] __riscv_sys_recvmmsg+0x228/0x26e net/socket.c:3052
[<ffffffff8000f2d4>] syscall_handler+0x94/0x118 arch/riscv/include/asm/syscall.h:90
[<ffffffff85fd9c4a>] do_trap_ecall_u+0x1aa/0x216 arch/riscv/kernel/traps.c:331
[<ffffffff85ffcac6>] _new_vmalloc_restore_context_a0+0xc2/0xce