INFO: task syz.0.2286:13600 blocked for more than 430 seconds.
Not tainted 6.12.0-rc1-syzkaller-00010-gc05ad457ce8c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.2286 state:D stack:0 pid:13600 tgid:13599 ppid:12757 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
[<ffffffff85feff86>] rwsem_down_read_slowpath+0x56a/0x91e kernel/locking/rwsem.c:1084
[<ffffffff85ff09dc>] __down_read_common kernel/locking/rwsem.c:1248 [inline]
[<ffffffff85ff09dc>] __down_read kernel/locking/rwsem.c:1261 [inline]
[<ffffffff85ff09dc>] down_read+0xe4/0x460 kernel/locking/rwsem.c:1526
[<ffffffff807014aa>] filemap_invalidate_lock_shared include/linux/fs.h:870 [inline]
[<ffffffff807014aa>] filemap_update_page mm/filemap.c:2417 [inline]
[<ffffffff807014aa>] filemap_get_pages+0x54e/0x1b30 mm/filemap.c:2572
[<ffffffff8070aad2>] filemap_splice_read+0x4bc/0xb56 mm/filemap.c:2921
[<ffffffff80b0901a>] do_splice_read fs/splice.c:985 [inline]
[<ffffffff80b0901a>] do_splice_read+0x1b2/0x260 fs/splice.c:959
[<ffffffff80b093a8>] splice_direct_to_actor+0x266/0x948 fs/splice.c:1089
[<ffffffff80b0a1ec>] do_splice_direct_actor fs/splice.c:1207 [inline]
[<ffffffff80b0a1ec>] do_splice_direct+0x162/0x218 fs/splice.c:1233
[<ffffffff80a23aba>] do_sendfile+0x96e/0xbf0 fs/read_write.c:1388
[<ffffffff80a29a8c>] __do_sys_sendfile64 fs/read_write.c:1455 [inline]
[<ffffffff80a29a8c>] __se_sys_sendfile64 fs/read_write.c:1441 [inline]
[<ffffffff80a29a8c>] __riscv_sys_sendfile64+0x1fc/0x220 fs/read_write.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
INFO: task syz.0.2286:13601 blocked for more than 430 seconds.
Not tainted 6.12.0-rc1-syzkaller-00010-gc05ad457ce8c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.2286 state:D stack:0 pid:13601 tgid:13599 ppid:12757 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
[<ffffffff85feea50>] rwsem_down_write_slowpath+0x4e0/0xe4a kernel/locking/rwsem.c:1176
[<ffffffff85fef53a>] __down_write_common kernel/locking/rwsem.c:1304 [inline]
[<ffffffff85fef53a>] __down_write kernel/locking/rwsem.c:1313 [inline]
[<ffffffff85fef53a>] down_write+0x180/0x19c kernel/locking/rwsem.c:1578
[<ffffffff81278882>] filemap_invalidate_lock include/linux/fs.h:860 [inline]
[<ffffffff81278882>] blkdev_fallocate+0x1ac/0x30a block/fops.c:808
[<ffffffff80a172c8>] vfs_fallocate+0x3f6/0x966 fs/open.c:333
[<ffffffff80a1a3ae>] ksys_fallocate fs/open.c:356 [inline]
[<ffffffff80a1a3ae>] __do_sys_fallocate fs/open.c:364 [inline]
[<ffffffff80a1a3ae>] __se_sys_fallocate fs/open.c:362 [inline]
[<ffffffff80a1a3ae>] __riscv_sys_fallocate+0xc4/0x126 fs/open.c:362
[<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/37:
#0: ffffffff87fcc100 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x68/0x2d6 kernel/locking/lockdep.c:6716
1 lock held by klogd/2998:
2 locks held by getty/3165:
#0: ff6000001c9d30a0 (&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/3198:
1 lock held by syz.1.1070/8838:
#0: ff60000015750948 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:860 [inline]
#0: ff60000015750948 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1ac/0x30a block/fops.c:808
2 locks held by kworker/0:3/10919:
4 locks held by kworker/u10:2/13593:
#0: ff6000006ec2dd18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:593 [inline]
#0: ff6000006ec2dd18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1505 [inline]
#0: ff6000006ec2dd18 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1804 [inline]
#0: ff6000006ec2dd18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x280/0x3886 kernel/sched/core.c:6575
#1: ff6000006ec19648 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x23e/0x732 kernel/sched/psi.c:989
#2: ff6000006ec1b3d8 (&base->lock){-.-.}-{2:2}, at: __mod_timer+0x564/0xb3a kernel/time/timer.c:1164
#3: ffffffff90a68aa8 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x16a/0x378 lib/debugobjects.c:708
1 lock held by syz.0.2286/13600:
#0: ff60000015750948 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:870 [inline]
#0: ff60000015750948 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_update_page mm/filemap.c:2417 [inline]
#0: ff60000015750948 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_get_pages+0x54e/0x1b30 mm/filemap.c:2572
1 lock held by syz.0.2286/13601:
#0: ff60000015750948 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:860 [inline]
#0: ff60000015750948 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1ac/0x30a block/fops.c:808
2 locks held by syz-executor/13613:
2 locks held by syz.1.2351/14131:
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted 6.12.0-rc1-syzkaller-00010-gc05ad457ce8c #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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 3196 Comm: sshd Not tainted 6.12.0-rc1-syzkaller-00010-gc05ad457ce8c #0
Hardware name: riscv-virtio,qemu (DT)
epc : 000055558d4b0778 ra : 000055558d4b0778 sp : 00007fffdb44be80
gp : 000055558d538a78 tp : 00007fffaf73f800 t0 : 0000000000000000
t1 : 0000000000000000 t2 : 0000000000000000 s0 : 0000555594cf9fd0
s1 : 0000555594cf8ec0 a0 : 0000000000000000 a1 : 0000000000000000
a2 : 0000000000000000 a3 : 0000000000000000 a4 : 0000000000000000
a5 : 0000000000000000 a6 : 0000000000000000 a7 : 0000000000000000
s2 : 0000000000000052 s3 : 0000000000001000 s4 : 0000000000000002
s5 : 0000000000000001 s6 : 00007fffafc2ace8 s7 : 0000555594cfa880
s8 : 000055558d510660 s9 : 0000000000000b16 s10: 00007fffdb44beb8
s11: 00007fffdb44bec0 t3 : 0000000000000000 t4 : 0000000000000000
t5 : 0000000000000000 t6 : 0000000000000000
status: 8000000200006020 badaddr: 0000000000000000 cause: 8000000000000001