INFO: task syz-executor.3:15898 blocked for more than 145 seconds.
Not tainted 6.1.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:25504 pid:15898 ppid:3675 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5209 [inline]
__schedule+0xae9/0x53f0 kernel/sched/core.c:6521
schedule+0xde/0x1b0 kernel/sched/core.c:6597
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6656
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
ni_lock fs/ntfs3/ntfs_fs.h:1108 [inline]
attr_data_get_block+0x1df/0x1590 fs/ntfs3/attrib.c:917
ntfs_get_block_vbo+0x2fd/0x1400 fs/ntfs3/inode.c:564
do_mpage_readpage+0x765/0x19e0 fs/mpage.c:208
mpage_readahead+0x34d/0x590 fs/mpage.c:361
ntfs_readahead+0x1f9/0x260 fs/ntfs3/inode.c:733
read_pages+0x1a2/0xd60 mm/readahead.c:161
page_cache_ra_unbounded+0x477/0x5e0 mm/readahead.c:270
do_page_cache_ra mm/readahead.c:300 [inline]
page_cache_ra_order+0x6ec/0xa00 mm/readahead.c:560
ondemand_readahead+0x6b3/0x1000 mm/readahead.c:682
page_cache_async_ra mm/readahead.c:731 [inline]
page_cache_async_ra+0x117/0x150 mm/readahead.c:713
filemap_readahead mm/filemap.c:2557 [inline]
filemap_get_pages+0x6c5/0x16b0 mm/filemap.c:2597
filemap_read+0x315/0xc00 mm/filemap.c:2675
generic_file_read_iter+0x3b4/0x5a0 mm/filemap.c:2821
ntfs_file_read_iter+0x1b8/0x270 fs/ntfs3/file.c:853
call_read_iter include/linux/fs.h:2193 [inline]
generic_file_splice_read+0x182/0x4b0 fs/splice.c:309
do_splice_to+0x1b9/0x240 fs/splice.c:793
splice_direct_to_actor+0x2ab/0x8a0 fs/splice.c:865
do_splice_direct+0x1ab/0x280 fs/splice.c:974
do_sendfile+0xb19/0x1270 fs/read_write.c:1255
__do_sys_sendfile64 fs/read_write.c:1323 [inline]
__se_sys_sendfile64 fs/read_write.c:1309 [inline]
__x64_sys_sendfile64+0x1d0/0x210 fs/read_write.c:1309
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6d5c28c0d9
RSP: 002b:00007f6d5cfa0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f6d5c3abf80 RCX: 00007f6d5c28c0d9
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000005
RBP: 00007f6d5c2e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe3a2a9cff R14: 00007f6d5cfa0300 R15: 0000000000022000
INFO: task syz-executor.3:15917 blocked for more than 148 seconds.
Not tainted 6.1.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:27344 pid:15917 ppid:3675 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5209 [inline]
__schedule+0xae9/0x53f0 kernel/sched/core.c:6521
schedule+0xde/0x1b0 kernel/sched/core.c:6597
io_schedule+0xbe/0x130 kernel/sched/core.c:8741
folio_wait_bit_common+0x394/0x9b0 mm/filemap.c:1296
folio_lock include/linux/pagemap.h:939 [inline]
truncate_inode_pages_range+0xbe2/0x1030 mm/truncate.c:423
truncate_inode_pages mm/truncate.c:452 [inline]
truncate_pagecache+0x67/0x90 mm/truncate.c:753
ntfs_truncate fs/ntfs3/file.c:491 [inline]
ntfs3_setattr+0x4fe/0xc00 fs/ntfs3/file.c:792
notify_change+0xcd4/0x1440 fs/attr.c:420
do_truncate+0x140/0x200 fs/open.c:65
handle_truncate fs/namei.c:3216 [inline]
do_open fs/namei.c:3561 [inline]
path_openat+0x2143/0x2860 fs/namei.c:3714
do_filp_open+0x1ba/0x410 fs/namei.c:3741
do_sys_openat2+0x16d/0x4c0 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+0xcd/0x120 fs/open.c:1396
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6d5c28c0d9
RSP: 002b:00007f6d5cf5e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f6d5c3ac120 RCX: 00007f6d5c28c0d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180
RBP: 00007f6d5c2e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe3a2a9cff R14: 00007f6d5cf5e300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/11:
#0: ffffffff8c58c2b0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/12:
#0: ffffffff8c58bfb0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/27:
#0: ffffffff8c58ce00 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 kernel/locking/lockdep.c:6494
2 locks held by getty/3312:
#0: ffff88814abd7098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900020382f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177
1 lock held by syz-executor.0/3689:
#0: ffffffff8c597ab8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline]
#0: ffffffff8c597ab8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x5df/0x780 kernel/rcu/tree_exp.h:946
2 locks held by kworker/0:10/12531:
#0: ffff888012072538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012072538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012072538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888012072538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888012072538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888012072538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc9000628fda8 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
3 locks held by syz-executor.3/15898:
#0: ffff88807e4c2460 (sb_writers#18){.+.+}-{0:0}, at: __do_sys_sendfile64 fs/read_write.c:1323 [inline]
#0: ffff88807e4c2460 (sb_writers#18){.+.+}-{0:0}, at: __se_sys_sendfile64 fs/read_write.c:1309 [inline]
#0: ffff88807e4c2460 (sb_writers#18){.+.+}-{0:0}, at: __x64_sys_sendfile64+0x1d0/0x210 fs/read_write.c:1309
#1: ffff8880341d6600 (mapping.invalidate_lock#7){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline]
#1: ffff8880341d6600 (mapping.invalidate_lock#7){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x153/0x5e0 mm/readahead.c:226
#2: ffff8880341d61c0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1108 [inline]
#2: ffff8880341d61c0 (&ni->ni_lock/4){+.+.}-{3:3}, at: attr_data_get_block+0x1df/0x1590 fs/ntfs3/attrib.c:917
3 locks held by syz-executor.3/15917:
#0: ffff88807e4c2460 (sb_writers#18){.+.+}-{0:0}, at: do_open fs/namei.c:3550 [inline]
#0: ffff88807e4c2460 (sb_writers#18){.+.+}-{0:0}, at: path_openat+0x19ee/0x2860 fs/namei.c:3714
#1: ffff8880341d6460 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff8880341d6460 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: do_truncate+0x12e/0x200 fs/open.c:63
#2: ffff8880341d61c0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1108 [inline]
#2: ffff8880341d61c0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_truncate fs/ntfs3/file.c:489 [inline]
#2: ffff8880341d61c0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs3_setattr+0x4ef/0xc00 fs/ntfs3/file.c:792
2 locks held by syz-executor.1/17047:
#0: ffffffff8deac1a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8deac1a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e9/0xca0 net/core/rtnetlink.c:6088
#1: ffffffff8c597980 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x48/0x6d0 kernel/rcu/tree.c:3953
2 locks held by syz-executor.3/17065:
#0: ffffffff8db4b3c8 (capi_controller_lock){+.+.}-{3:3}, at: capi20_release+0x2c/0x330 drivers/isdn/capi/kcapi.c:616
#1: ffffffff8c597ab8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline]
#1: ffffffff8c597ab8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x24f/0x780 kernel/rcu/tree_exp.h:946
3 locks held by syz-executor.4/17063:
#0: ffffffff8db4faa8 (capi_mutex){+.+.}-{3:3}, at: capi_unlocked_ioctl+0x23/0x70 drivers/isdn/capi/capi.c:949
#1: ffff888074ec0ab0 (&cdev->lock){+.+.}-{3:3}, at: capi_ioctl.isra.0+0x15f/0xca0 drivers/isdn/capi/capi.c:765
#2: ffffffff8db4b3c8 (capi_controller_lock){+.+.}-{3:3}, at: capi20_register+0x334/0x6e0 drivers/isdn/capi/kcapi.c:570
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.1.0-rc8-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+0xd1/0x138 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x333/0x3c0 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+0xc75/0xfc0 kernel/hung_task.c:377
kthread+0x2e8/0x3a0 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: 17080 Comm: syz-executor.5 Not tainted 6.1.0-rc8-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:arch_irqs_disabled_flags arch/x86/include/asm/irqflags.h:125 [inline]
RIP: 0010:check_preemption_disabled+0x4d/0x170 lib/smp_processor_id.c:19
Code: e3 ff ff ff 7f 31 ff 89 de 0f 1f 44 00 00 85 db 74 11 0f 1f 44 00 00 44 89 e0 5b 5d 41 5c 41 5d 41 5e c3 0f 1f 44 00 00 9c 5b <81> e3 00 02 00 00 31 ff 48 89 de 0f 1f 44 00 00 48 85 db 74 d3 0f
RSP: 0018:ffffc90004f2f608 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000046 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffffff8aa614c0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000092080 R12: 0000000000000001
R13: ffffffff8a4c3640 R14: 00000000ffffffff R15: ffff888079031140
FS: 00007f2b0411f700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2b0411f718 CR3: 000000001d460000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lockdep_recursion_inc kernel/locking/lockdep.c:461 [inline]
lock_is_held_type+0x67/0x140 kernel/locking/lockdep.c:5710
lock_is_held include/linux/lockdep.h:283 [inline]
__might_resched+0x25/0x2d0 kernel/sched/core.c:9870
down_read+0x75/0x450 kernel/locking/rwsem.c:1508
anon_vma_lock_read include/linux/rmap.h:131 [inline]
validate_mm+0x117/0x270 mm/mmap.c:341
__vma_adjust+0x904/0x1ae0 mm/mmap.c:858
vma_adjust include/linux/mm.h:2684 [inline]
__split_vma+0x4ce/0x5e0 mm/mmap.c:2234
do_mas_align_munmap+0x7e0/0x1260 mm/mmap.c:2359
do_mas_munmap+0x26e/0x2c0 mm/mmap.c:2499
mmap_region+0x21d/0x1dd0 mm/mmap.c:2547
do_mmap+0x831/0xf60 mm/mmap.c:1412
vm_mmap_pgoff+0x1af/0x280 mm/util.c:520
ksys_mmap_pgoff+0x41f/0x5a0 mm/mmap.c:1458
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f2b0348c122
Code: 00 00 00 00 00 0f 1f 00 41 f7 c1 ff 0f 00 00 75 27 55 48 89 fd 53 89 cb 48 85 ff 74 3b 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 5b 5d c3 0f 1f 00 48 c7 c0 b8 ff ff ff 64
RSP: 002b:00007f2b0411f0d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000008011 RCX: 00007f2b0348c122
RDX: 0000000000000003 RSI: 0000000000012140 RDI: 0000000020000000
RBP: 0000000020000000 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000008011 R11: 0000000000000206 R12: 00000000200000c0
R13: 0000000020000000 R14: 0000000020000040 R15: 0000000020000000