INFO: task syz-executor.4:1285 blocked for more than 143 seconds.
Not tainted 6.1.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:20376 pid:1285 ppid:25392 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5209 [inline]
__schedule+0x8c9/0xd70 kernel/sched/core.c:6521
schedule+0xcb/0x190 kernel/sched/core.c:6597
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6656
__mutex_lock_common+0xe4f/0x26e0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799
ni_lock fs/ntfs3/ntfs_fs.h:1108 [inline]
attr_data_get_block+0x301/0x2370 fs/ntfs3/attrib.c:917
ntfs_get_block_vbo+0x310/0xe40 fs/ntfs3/inode.c:564
do_mpage_readpage+0x970/0x1c50 fs/mpage.c:208
mpage_readahead+0x210/0x380 fs/mpage.c:361
read_pages+0x169/0x9c0 mm/readahead.c:161
page_cache_ra_unbounded+0x703/0x820 mm/readahead.c:270
filemap_readahead mm/filemap.c:2557 [inline]
filemap_get_pages+0x72f/0x10d0 mm/filemap.c:2597
filemap_read+0x3cf/0xea0 mm/filemap.c:2675
call_read_iter include/linux/fs.h:2185 [inline]
generic_file_splice_read+0x1ff/0x5d0 fs/splice.c:309
do_splice_to fs/splice.c:793 [inline]
splice_direct_to_actor+0x41b/0xc00 fs/splice.c:865
do_splice_direct+0x279/0x3d0 fs/splice.c:974
do_sendfile+0x5fb/0xf80 fs/read_write.c:1255
__do_sys_sendfile64 fs/read_write.c:1323 [inline]
__se_sys_sendfile64+0x14f/0x1b0 fs/read_write.c:1309
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb3b3a8c189
RSP: 002b:00007fb3b4765168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fb3b3babf80 RCX: 00007fb3b3a8c189
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000003
RBP: 00007fb3b3ae7b01 R08: 0000000000000000 R09: 0000000000000000
R10: 00008400fffffffa R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeee3f01bf R14: 00007fb3b4765300 R15: 0000000000022000
INFO: task syz-executor.4:1312 blocked for more than 144 seconds.
Not tainted 6.1.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:21944 pid:1312 ppid:25392 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5209 [inline]
__schedule+0x8c9/0xd70 kernel/sched/core.c:6521
schedule+0xcb/0x190 kernel/sched/core.c:6597
io_schedule+0x83/0x100 kernel/sched/core.c:8741
folio_wait_bit_common+0x83a/0x12a0 mm/filemap.c:1296
folio_lock include/linux/pagemap.h:939 [inline]
truncate_inode_pages_range+0xc9d/0x17f0 mm/truncate.c:423
truncate_inode_pages mm/truncate.c:452 [inline]
truncate_pagecache mm/truncate.c:753 [inline]
truncate_setsize+0xcb/0xf0 mm/truncate.c:778
ntfs_truncate fs/ntfs3/file.c:491 [inline]
ntfs3_setattr+0x4f2/0xb00 fs/ntfs3/file.c:792
notify_change+0xe38/0x10f0 fs/attr.c:420
do_truncate+0x1fb/0x2e0 fs/open.c:65
handle_truncate fs/namei.c:3216 [inline]
do_open fs/namei.c:3561 [inline]
path_openat+0x2770/0x2df0 fs/namei.c:3713
do_filp_open+0x264/0x4f0 fs/namei.c:3740
do_sys_openat2+0x124/0x4e0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_creat fs/open.c:1402 [inline]
__se_sys_creat fs/open.c:1396 [inline]
__x64_sys_creat+0x11f/0x160 fs/open.c:1396
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb3b3a8c189
RSP: 002b:00007fb3b4723168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007fb3b3bac120 RCX: 00007fb3b3a8c189
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080
RBP: 00007fb3b3ae7b01 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeee3f01bf R14: 00007fb3b4723300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d327330 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8d327b30 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
#0: ffffffff8d327160 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3311:
#0: ffff888028899098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x53b/0x1650 drivers/tty/n_tty.c:2177
2 locks held by kworker/1:12/4329:
#0: ffff888012866538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0
#1: ffffc9000af6fd00 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264
2 locks held by syz-executor.3/12058:
#0: ffff888037b760e0 (&type->s_umount_key#52){++++}-{3:3}, at: deactivate_super+0x96/0xd0 fs/super.c:362
#1: ffffffff8d32c738 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline]
#1: ffffffff8d32c738 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x455/0x860 kernel/rcu/tree_exp.h:946
2 locks held by kworker/0:16/21085:
#0: ffff888012864d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0
#1: ffffc900031bfd00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264
3 locks held by kworker/1:6/31114:
#0: ffff888012864d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0
#1: ffffc90005727d00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264
#2: ffffffff8d32c738 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline]
#2: ffffffff8d32c738 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x384/0x860 kernel/rcu/tree_exp.h:946
3 locks held by syz-executor.4/1285:
#0: ffff888049e52460 (sb_writers#16){.+.+}-{0:0}, at: do_sendfile+0x5d6/0xf80 fs/read_write.c:1254
#1: ffff88802edc1b60 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline]
#1: ffff88802edc1b60 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0xe9/0x820 mm/readahead.c:226
#2: ffff88802edc1720 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1108 [inline]
#2: ffff88802edc1720 (&ni->ni_lock/4){+.+.}-{3:3}, at: attr_data_get_block+0x301/0x2370 fs/ntfs3/attrib.c:917
3 locks held by syz-executor.4/1312:
#0: ffff888049e52460 (sb_writers#16){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
#1: ffff88802edc19c0 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff88802edc19c0 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: do_truncate+0x1e7/0x2e0 fs/open.c:63
#2: ffff88802edc1720 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1108 [inline]
#2: ffff88802edc1720 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_truncate fs/ntfs3/file.c:489 [inline]
#2: ffff88802edc1720 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs3_setattr+0x4e3/0xb00 fs/ntfs3/file.c:792
1 lock held by syz-executor.2/1869:
#0: ffff88802b35a0e0 (&type->s_umount_key#52){++++}-{3:3}, at: deactivate_super+0x96/0xd0 fs/super.c:362
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106
nmi_cpu_backtrace+0x46f/0x4f0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1ba/0x420 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xcf5/0xd40 kernel/hung_task.c:377
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2982 Comm: syslogd Not tainted 6.1.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x60 kernel/kcov.c:206
Code: 00 00 00 00 66 90 53 48 89 fb e8 17 00 00 00 48 8b 3d b8 00 0d 0d 48 89 de 5b e9 b7 42 53 00 cc cc cc cc cc cc cc 48 8b 04 24 <65> 48 8b 0c 25 40 6f 02 00 65 8b 15 c4 d6 77 7e f7 c2 00 01 ff 00
RSP: 0018:ffffc90002f6f850 EFLAGS: 00000202
RAX: ffffffff813d659d RBX: 0000777fdb3efbff RCX: ffff88807e47ba80
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888024c10400
RBP: dffffc0000000000 R08: ffffffff813d6923 R09: ffffffff81eb4b00
R10: 0000000000000003 R11: ffff88807e47ba80 R12: 0000000000000001
R13: ffff888024c10400 R14: ffff888024c10400 R15: 0000000000000001
FS: 00007f27c00e6800(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8df0c958c8 CR3: 0000000028b5c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__phys_addr+0xd/0x160 arch/x86/mm/physaddr.c:16
virt_to_folio include/linux/mm.h:890 [inline]
check_heap_object+0xa8/0x810 mm/usercopy.c:191
__check_object_size+0xad/0x210 mm/usercopy.c:250
check_object_size include/linux/thread_info.h:199 [inline]
check_copy_size include/linux/thread_info.h:235 [inline]
copy_to_iter include/linux/uio.h:175 [inline]
simple_copy_to_iter+0x3e/0x60 net/core/datagram.c:513
__skb_datagram_iter+0xe5/0x790 net/core/datagram.c:419
skb_copy_datagram_iter+0x3c/0x50 net/core/datagram.c:527
skb_copy_datagram_msg include/linux/skbuff.h:3905 [inline]
__unix_dgram_recvmsg+0x7b9/0x1170 net/unix/af_unix.c:2477
sock_recvmsg_nosec net/socket.c:995 [inline]
sock_recvmsg net/socket.c:1013 [inline]
sock_read_iter+0x3fa/0x530 net/socket.c:1086
call_read_iter include/linux/fs.h:2185 [inline]
new_sync_read fs/read_write.c:389 [inline]
vfs_read+0x7ac/0xbf0 fs/read_write.c:470
ksys_read+0x177/0x2a0 fs/read_write.c:613
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f27c02728fe
Code: c0 e9 e6 fe ff ff 50 48 8d 3d 0e c7 09 00 e8 c9 cf 01 00 66 0f 1f 84 00 00 00 00 00 64 8b 04 25 18 00 00 00 85 c0 75 14 0f 05 <48> 3d 00 f0 ff ff 77 5a c3 66 0f 1f 84 00 00 00 00 00 48 83 ec 28
RSP: 002b:00007ffd8a6c7548 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f27c02728fe
RDX: 00000000000000ff RSI: 000056203325d950 RDI: 0000000000000000
RBP: 000056203325d910 R08: 00007f27c0302040 R09: 00007f27c03020c0
R10: 00007f27c0301fc0 R11: 0000000000000246 R12: 000056203325d98e
R13: 000056203325d950 R14: 0000000000000000 R15: 0000000000000000