INFO: task syz-executor.3:7187 blocked for more than 143 seconds.
Not tainted 6.9.0-rc7-syzkaller-00183-gcf87f46fd34d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:26016 pid:7187 tgid:7184 ppid:5089 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6838
io_schedule+0xbf/0x130 kernel/sched/core.c:9044
folio_wait_bit_common+0x3d8/0x9b0 mm/filemap.c:1283
__folio_lock mm/filemap.c:1621 [inline]
folio_lock include/linux/pagemap.h:1048 [inline]
folio_lock include/linux/pagemap.h:1044 [inline]
__filemap_get_folio+0x695/0xa90 mm/filemap.c:1874
pagecache_get_page+0x2c/0x260 mm/folio-compat.c:93
find_or_create_page include/linux/pagemap.h:757 [inline]
ni_readpage_cmpr+0x24e/0xca0 fs/ntfs3/frecord.c:2135
ntfs_read_folio+0x107/0x1f0 fs/ntfs3/inode.c:725
filemap_read_folio+0xe5/0x2c0 mm/filemap.c:2331
filemap_fault+0x1891/0x38c0 mm/filemap.c:3381
__do_fault+0x10a/0x490 mm/memory.c:4531
do_read_fault mm/memory.c:4894 [inline]
do_fault mm/memory.c:5024 [inline]
do_pte_missing mm/memory.c:3880 [inline]
handle_pte_fault mm/memory.c:5300 [inline]
__handle_mm_fault+0x371d/0x4a80 mm/memory.c:5441
handle_mm_fault+0x476/0xa00 mm/memory.c:5606
do_user_addr_fault+0x2e5/0x1030 arch/x86/mm/fault.c:1382
handle_page_fault arch/x86/mm/fault.c:1474 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1532
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:__get_user_4+0x11/0x20 arch/x86/lib/getuser.S:77
Code: 01 ca c3 cc cc cc cc 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 89 c2 48 c1 fa 3f 48 09 d0 0f 01 cb <8b> 10 31 c0 0f 01 ca c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90
RSP: 0018:ffffc900040b7cd8 EFLAGS: 00050202
RAX: 0000000020000080 RBX: 0000000000000004 RCX: ffffc90009fb3000
RDX: 0000000000000000 RSI: ffffffff8a09e381 RDI: ffffffff8b8f5920
RBP: 0000000020000080 R08: 0000000000000000 R09: fffffbfff1f7eaf2
R10: ffffffff8fbf5797 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000113 R14: ffff888079d90000 R15: ffffffff88af3dd0
pep_getsockopt+0x59/0x290 net/phonet/pep.c:1073
do_sock_getsockopt+0x2e5/0x760 net/socket.c:2373
__sys_getsockopt+0x1a1/0x270 net/socket.c:2402
__do_sys_getsockopt net/socket.c:2412 [inline]
__se_sys_getsockopt net/socket.c:2409 [inline]
__x64_sys_getsockopt+0xbd/0x160 net/socket.c:2409
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fccac87dd69
RSP: 002b:00007fccad5340c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 00007fccac9ac050 RCX: 00007fccac87dd69
RDX: 0000000000000004 RSI: 0000000000000113 RDI: 0000000000000007
RBP: 00007fccac8ca49e R08: 0000000020000080 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fccac9ac050 R15: 00007ffd294730e8
INFO: task syz-executor.3:7191 blocked for more than 144 seconds.
Not tainted 6.9.0-rc7-syzkaller-00183-gcf87f46fd34d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:27680 pid:7191 tgid:7184 ppid:5089 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
ni_lock fs/ntfs3/ntfs_fs.h:1123 [inline]
ntfs_read_folio+0xfc/0x1f0 fs/ntfs3/inode.c:724
filemap_read_folio+0xe5/0x2c0 mm/filemap.c:2331
filemap_fault+0x1891/0x38c0 mm/filemap.c:3381
__do_fault+0x10a/0x490 mm/memory.c:4531
do_read_fault mm/memory.c:4894 [inline]
do_fault mm/memory.c:5024 [inline]
do_pte_missing mm/memory.c:3880 [inline]
handle_pte_fault mm/memory.c:5300 [inline]
__handle_mm_fault+0x371d/0x4a80 mm/memory.c:5441
handle_mm_fault+0x476/0xa00 mm/memory.c:5606
do_user_addr_fault+0x2e5/0x1030 arch/x86/mm/fault.c:1382
handle_page_fault arch/x86/mm/fault.c:1474 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1532
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:do_strncpy_from_user lib/strncpy_from_user.c:41 [inline]
RIP: 0010:strncpy_from_user+0x164/0x300 lib/strncpy_from_user.c:139
Code: 00 48 83 ed 08 4d 89 64 1d 00 bf 07 00 00 00 48 83 c3 08 48 89 ee e8 ab 6f dd fc 48 83 fd 07 0f 86 ca 00 00 00 e8 8c 74 dd fc <4d> 8b 24 1e e8 83 74 dd fc 48 b8 ff fe fe fe fe fe fe fe 4c 89 e2
RSP: 0018:ffffc90004137d10 EFLAGS: 00050287
RAX: 00000000000003af RBX: 0000000000000000 RCX: ffffc9000adba000
RDX: 0000000000040000 RSI: ffffffff84b05834 RDI: 0000000000000007
RBP: 0000000000000fe0 R08: 0000000000000007 R09: 0000000000000007
R10: 0000000000000fe0 R11: 0000000000000000 R12: 0000000020003460
R13: ffff88802afe3320 R14: 0000000020002480 R15: 0000000000000fe0
getname_flags.part.0+0x93/0x4f0 fs/namei.c:150
getname_flags include/linux/audit.h:322 [inline]
getname+0x8f/0xe0 fs/namei.c:218
do_sys_openat2+0x104/0x1e0 fs/open.c:1400
do_sys_open fs/open.c:1421 [inline]
__do_sys_openat fs/open.c:1437 [inline]
__se_sys_openat fs/open.c:1432 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1432
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fccac87dd69
RSP: 002b:00007fccad5130c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fccac9ac120 RCX: 00007fccac87dd69
RDX: 0000000000000c01 RSI: 0000000020002480 RDI: ffffffffffffff9c
RBP: 00007fccac8ca49e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fccac9ac120 R15: 00007ffd294730e8
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8d9b0e20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#0: ffffffff8d9b0e20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
#0: ffffffff8d9b0e20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
3 locks held by kworker/u8:4/60:
#0: ffff888015089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x1296/0x1ac0 kernel/workqueue.c:3242
#1: ffffc900015c7d80 ((work_completion)(&map->work)){+.+.}-{0:0}, at: process_one_work+0x906/0x1ac0 kernel/workqueue.c:3243
#2: ffff888079d6e410 (&p->pi_lock){-.-.}-{2:2}, at: class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:553 [inline]
#2: ffff888079d6e410 (&p->pi_lock){-.-.}-{2:2}, at: try_to_wake_up+0x9a/0x13e0 kernel/sched/core.c:4262
2 locks held by getty/4833:
#0: ffff88802aace0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc8/0x1490 drivers/tty/n_tty.c:2201
1 lock held by syz-executor.1/7044:
#0: ffff88802ccca848 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xeb/0x180 fs/file.c:1191
2 locks held by syz-executor.3/7187:
#0: ffff8880531a8540 (mapping.invalidate_lock#6){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:850 [inline]
#0: ffff8880531a8540 (mapping.invalidate_lock#6){.+.+}-{3:3}, at: filemap_fault+0x5cb/0x38c0 mm/filemap.c:3296
#1: ffff8880531a8100 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1123 [inline]
#1: ffff8880531a8100 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0xfc/0x1f0 fs/ntfs3/inode.c:724
2 locks held by syz-executor.3/7191:
#0: ffff8880531a8540 (mapping.invalidate_lock#6){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:850 [inline]
#0: ffff8880531a8540 (mapping.invalidate_lock#6){.+.+}-{3:3}, at: filemap_fault+0x5cb/0x38c0 mm/filemap.c:3296
#1: ffff8880531a8100 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1123 [inline]
#1: ffff8880531a8100 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0xfc/0x1f0 fs/ntfs3/inode.c:724
1 lock held by syz-executor.4/7196:
#0: ffffffff8d9bc538 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline]
#0: ffffffff8d9bc538 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x682/0x7a0 kernel/rcu/tree_exp.h:939
3 locks held by syz-executor.3/8214:
#0: ffff8880b953ea58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:559
#1: ffff8880b9528a08 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x20c/0x900 kernel/sched/psi.c:976
#2: ffff88802eb9f908 (&sch->q.lock){+.-.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
#2: ffff88802eb9f908 (&sch->q.lock){+.-.}-{2:2}, at: fq_pie_timer+0xfd/0x5a0 net/sched/sch_fq_pie.c:387
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.9.0-rc7-syzkaller-00183-gcf87f46fd34d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xf86/0x1240 kernel/hung_task.c:380
kthread+0x2c1/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline]
NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt+0x1a/0x20 drivers/acpi/processor_idle.c:112