INFO: task syz-executor.5:14276 blocked for more than 143 seconds.
Not tainted 6.3.0-syzkaller-13027-g1a5304fecee5 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:24584 pid:14276 ppid:5039 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x187b/0x4900 kernel/sched/core.c:6669
schedule+0xc3/0x180 kernel/sched/core.c:6745
io_schedule+0x8c/0x100 kernel/sched/core.c:8979
folio_wait_bit_common+0x86c/0x12b0 mm/filemap.c:1301
__filemap_get_folio+0x90/0xa00 mm/filemap.c:1931
pagecache_get_page+0x2e/0x220 mm/folio-compat.c:99
find_or_create_page include/linux/pagemap.h:635 [inline]
ni_readpage_cmpr+0x313/0xa70 fs/ntfs3/frecord.c:2131
ntfs_read_folio+0x19e/0x210 fs/ntfs3/inode.c:716
filemap_read_folio+0x19d/0x7a0 mm/filemap.c:2421
filemap_create_folio mm/filemap.c:2549 [inline]
filemap_get_pages+0xdf7/0x20c0 mm/filemap.c:2602
filemap_read+0x45a/0x1170 mm/filemap.c:2690
call_read_iter include/linux/fs.h:1862 [inline]
new_sync_read fs/read_write.c:389 [inline]
vfs_read+0x7b1/0xb80 fs/read_write.c:470
ksys_read+0x1a0/0x2c0 fs/read_write.c:613
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f9e21a8c169
RSP: 002b:00007f9e22834168 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f9e21babf80 RCX: 00007f9e21a8c169
RDX: 0000000000002020 RSI: 0000000020021440 RDI: 0000000000000006
RBP: 00007f9e21ae7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff8aef489f R14: 00007f9e22834300 R15: 0000000000022000
INFO: task syz-executor.5:14284 blocked for more than 144 seconds.
Not tainted 6.3.0-syzkaller-13027-g1a5304fecee5 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:24616 pid:14284 ppid:5039 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x187b/0x4900 kernel/sched/core.c:6669
schedule+0xc3/0x180 kernel/sched/core.c:6745
io_schedule+0x8c/0x100 kernel/sched/core.c:8979
folio_wait_bit_common+0x86c/0x12b0 mm/filemap.c:1301
__filemap_get_folio+0x90/0xa00 mm/filemap.c:1931
pagecache_get_page+0x2e/0x220 mm/folio-compat.c:99
find_or_create_page include/linux/pagemap.h:635 [inline]
ntfs_get_frame_pages fs/ntfs3/file.c:764 [inline]
ntfs_compress_write+0x6a2/0x1c20 fs/ntfs3/file.c:852
ntfs_file_write_iter+0x3db/0x6d0 fs/ntfs3/file.c:1054
do_iter_write+0x7b1/0xcb0 fs/read_write.c:860
iter_file_splice_write+0x843/0xfe0 fs/splice.c:779
do_splice_from fs/splice.c:857 [inline]
direct_splice_actor+0xe7/0x1c0 fs/splice.c:1023
splice_direct_to_actor+0x4c4/0xbd0 fs/splice.c:978
do_splice_direct+0x283/0x3d0 fs/splice.c:1066
do_sendfile+0x620/0xff0 fs/read_write.c:1254
__do_sys_sendfile64 fs/read_write.c:1322 [inline]
__se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1308
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f9e21a8c169
RSP: 002b:00007f9e22813168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f9e21bac050 RCX: 00007f9e21a8c169
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000004
RBP: 00007f9e21ae7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000007 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff8aef489f R14: 00007f9e22813300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8cf277f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:518
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8cf27bb0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:518
1 lock held by khungtaskd/28:
#0: ffffffff8cf27620 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
3 locks held by udevd/4446:
#0: ffff8880b983c1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:558
#1: ffff88801aba8de0 (&dentry->d_lock){+.+.}-{2:2}, at: __fs_reclaim_acquire mm/page_alloc.c:3884 [inline]
#1: ffff88801aba8de0 (&dentry->d_lock){+.+.}-{2:2}, at: fs_reclaim_acquire+0x8b/0x130 mm/page_alloc.c:3898
#2: ffff88807cc3c558 (&ep->lock){...-}-{2:2}, at: ep_poll_callback+0xd0/0xb10 fs/eventpoll.c:1184
2 locks held by getty/4749:
#0: ffff88802d141098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ab/0x1db0 drivers/tty/n_tty.c:2176
3 locks held by syz-executor.0/5029:
#0: ffff8880b993c1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:558
#1: ffff8880b99287c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:996
#2: ffffffff8cf27620 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x40 include/linux/rcupdate.h:326
3 locks held by syz-executor.5/14276:
#0: ffff88802d157268 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x254/0x2f0 fs/file.c:1047
#1: ffff88807d0d22c0 (mapping.invalidate_lock#8){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:830 [inline]
#1: ffff88807d0d22c0 (mapping.invalidate_lock#8){++++}-{3:3}, at: filemap_create_folio mm/filemap.c:2541 [inline]
#1: ffff88807d0d22c0 (mapping.invalidate_lock#8){++++}-{3:3}, at: filemap_get_pages+0xb1c/0x20c0 mm/filemap.c:2602
#2: ffff88807d0d1e80 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1121 [inline]
#2: ffff88807d0d1e80 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0x193/0x210 fs/ntfs3/inode.c:715
2 locks held by syz-executor.5/14284:
#0: ffff88807cfc0460 (sb_writers#15){.+.+}-{0:0}, at: do_sendfile+0x5fb/0xff0 fs/read_write.c:1253
#1: ffff88807d0d2120 (&sb->s_type->i_mutex_key#26){+.+.}-{3:3}, at: inode_trylock include/linux/fs.h:795 [inline]
#1: ffff88807d0d2120 (&sb->s_type->i_mutex_key#26){+.+.}-{3:3}, at: ntfs_file_write_iter+0x1cb/0x6d0 fs/ntfs3/file.c:1034
1 lock held by kworker/u4:1/15337:
#0: ffff8880b983c1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:558
2 locks held by syz-executor.4/17308:
1 lock held by syz-executor.2/17316:
#0: ffff8880227e80e0 (&type->s_umount_key#49/1){+.+.}-{3:3}, at: alloc_super+0x217/0x930 fs/super.c:228
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.3.0-syzkaller-13027-g1a5304fecee5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x187/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xec2/0xf00 kernel/hung_task.c:379
kthread+0x2b8/0x350 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5029 Comm: syz-executor.0 Not tainted 6.3.0-syzkaller-13027-g1a5304fecee5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:do_wait_thread kernel/exit.c:1496 [inline]
RIP: 0010:do_wait+0x2fc/0xb00 kernel/exit.c:1614
Code: 00 00 4c 8b 3c 24 49 8d 9f c0 05 00 00 48 89 dd 48 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 ef e8 08 43 8f 00 48 8b 6d 00 <48> 39 dd 74 20 48 8d 95 30 fa ff ff 4c 89 ef 31 f6 e8 ae 27 00 00
RSP: 0018:ffffc90003ebfbe0 EFLAGS: 00000246
RAX: 1ffff1100286f0ba RBX: ffff8880279a5f00 RCX: ffff8880279a5940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8880279a5f00 R08: ffffffff8154486f R09: ffffffff8154410e
R10: 0000000000000002 R11: ffff8880279a5940 R12: dffffc0000000000
R13: ffffc90003ebfcc0 R14: 0000000040000005 R15: ffff8880279a5940
FS: 00005555564cf400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f996826a001 CR3: 0000000043ac7000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kernel_wait4+0x2a2/0x3e0 kernel/exit.c:1777
__do_sys_wait4 kernel/exit.c:1805 [inline]
__se_sys_wait4 kernel/exit.c:1801 [inline]
__x64_sys_wait4+0x134/0x1e0 kernel/exit.c:1801
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f0e3b689d47
Code: 89 7c 24 10 48 89 4c 24 18 e8 f5 58 02 00 4c 8b 54 24 18 8b 54 24 14 41 89 c0 48 8b 74 24 08 8b 7c 24 10 b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 89 44 24 10 e8 25 59 02 00 8b 44
RSP: 002b:00007ffe239f5460 EFLAGS: 00000293 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 0000000000000f2e RCX: 00007f0e3b689d47
RDX: 0000000040000001 RSI: 00007ffe239f54ec RDI: 00000000ffffffff
RBP: 00007ffe239f54ec R08: 0000000000000000 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 00000000001ec4bb R14: 0000000000000000 R15: 00007ffe239f5550