INFO: task syz-executor.2:32748 blocked for more than 143 seconds.
Not tainted 6.2.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:26104 pid:32748 ppid:5101 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x9d1/0xe40 kernel/sched/core.c:6555
schedule+0xcb/0x190 kernel/sched/core.c:6631
rwsem_down_read_slowpath+0x5fe/0x950 kernel/locking/rwsem.c:1095
__down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1260
mmap_read_lock include/linux/mmap_lock.h:117 [inline]
exit_mm+0xcc/0x2f0 kernel/exit.c:539
do_exit+0x5c7/0x2150 kernel/exit.c:854
do_group_exit+0x1fd/0x2b0 kernel/exit.c:1012
get_signal+0x1755/0x1820 kernel/signal.c:2859
arch_do_signal_or_restart+0x8d/0x5f0 arch/x86/kernel/signal.c:306
exit_to_user_mode_loop+0x74/0x160 kernel/entry/common.c:168
exit_to_user_mode_prepare+0xad/0x110 kernel/entry/common.c:203
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x2e/0x60 kernel/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcafaa8c0f2
RSP: 002b:00007ffc2c88d3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: fffffffffffffffc RBX: 0000000000000001 RCX: 00007fcafaa8c0f2
RDX: 0000000000000003 RSI: 0000000000200000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 00000000000000dc R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 00007fcafabac2cc
R13: 0000000000000004 R14: 00007fcafabac2c0 R15: 0000000000000032
INFO: task syz-executor.2:32753 blocked for more than 144 seconds.
Not tainted 6.2.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:26648 pid:32753 ppid:5101 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x9d1/0xe40 kernel/sched/core.c:6555
schedule+0xcb/0x190 kernel/sched/core.c:6631
rwsem_down_read_slowpath+0x5fe/0x950 kernel/locking/rwsem.c:1095
__down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1260
mmap_read_lock+0x17/0x50 include/linux/mmap_lock.h:117
do_user_addr_fault+0x4b7/0xcb0 arch/x86/mm/fault.c:1379
handle_page_fault arch/x86/mm/fault.c:1519 [inline]
exc_page_fault+0x7a/0x120 arch/x86/mm/fault.c:1575
asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0010:copy_user_enhanced_fast_string+0xa/0x40 arch/x86/lib/copy_user_64.S:166
Code: ff c9 75 f2 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 01 ca c3 8d 0c ca 89 ca eb 20 0f 01 cb 83 fa 40 72 38 89 d1 a4 31 c0 0f 01 ca c3 89 ca eb 0a 66 2e 0f 1f 84 00 00 00 00 00
RSP: 0018:ffffc90015517a38 EFLAGS: 00050206
RAX: ffffffff84434c01 RBX: 00007fffffffe000 RCX: 0000000000001000
RDX: 0000000000001000 RSI: 00000000205c5000 RDI: ffff888099090000
RBP: ffff88801dcf8c10 R08: dffffc0000000000 R09: ffffed1013212200
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000001000
R13: 0000000000001000 R14: ffff888099090000 R15: 00000000205c5000
copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline]
raw_copy_from_user arch/x86/include/asm/uaccess_64.h:52 [inline]
_copy_from_user+0xf0/0x160 lib/usercopy.c:16
copy_from_user include/linux/uaccess.h:161 [inline]
snd_rawmidi_kernel_write1+0x3bd/0x660 sound/core/rawmidi.c:1547
snd_rawmidi_write+0x615/0xbe0 sound/core/rawmidi.c:1616
vfs_write+0x2e5/0xbb0 fs/read_write.c:582
ksys_write+0x19b/0x2c0 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcafaa8c0a9
RSP: 002b:00007fcafb79b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fcafababf80 RCX: 00007fcafaa8c0a9
RDX: 00000000fffffd2c RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00007fcafaae7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc2c88d35f R14: 00007fcafb79b300 R15: 0000000000022000
INFO: task syz-executor.2:32755 blocked for more than 145 seconds.
Not tainted 6.2.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:23704 pid:32755 ppid:5101 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x9d1/0xe40 kernel/sched/core.c:6555
schedule+0xcb/0x190 kernel/sched/core.c:6631
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6690
__mutex_lock_common+0xecf/0x26c0 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:1122 [inline]
attr_data_get_block+0x4a6/0x2e40 fs/ntfs3/attrib.c:919
ntfs_get_block_vbo+0x374/0xd20 fs/ntfs3/inode.c:573
do_mpage_readpage+0x98b/0x1bb0 fs/mpage.c:208
mpage_read_folio+0x103/0x1d0 fs/mpage.c:379
filemap_read_folio+0x1ba/0x7f0 mm/filemap.c:2426
filemap_update_page+0x3ca/0x550 mm/filemap.c:2511
filemap_get_pages+0x8d8/0x1110 mm/filemap.c:2624
filemap_read+0x3e7/0xee0 mm/filemap.c:2694
call_read_iter include/linux/fs.h:2180 [inline]
generic_file_splice_read+0x24e/0x650 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+0x2a0/0x3f0 fs/splice.c:974
do_sendfile+0x641/0xfd0 fs/read_write.c:1255
__do_sys_sendfile64 fs/read_write.c:1323 [inline]
__se_sys_sendfile64+0x178/0x1e0 fs/read_write.c:1309
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcafaa8c0a9
RSP: 002b:00007fcafb77a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fcafabac050 RCX: 00007fcafaa8c0a9
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000007
RBP: 00007fcafaae7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc2c88d35f R14: 00007fcafb77a300 R15: 0000000000022000
INFO: task syz-executor.2:305 blocked for more than 146 seconds.
Not tainted 6.2.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:25448 pid:305 ppid:5101 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x9d1/0xe40 kernel/sched/core.c:6555
schedule+0xcb/0x190 kernel/sched/core.c:6631
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6690
__mutex_lock_common+0xecf/0x26c0 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:1122 [inline]
attr_data_get_block+0x4a6/0x2e40 fs/ntfs3/attrib.c:919
ntfs_file_mmap+0x4cc/0x780 fs/ntfs3/file.c:296
call_mmap include/linux/fs.h:2191 [inline]
mmap_region+0x1022/0x1e60 mm/mmap.c:2621
do_mmap+0x8d9/0xf30 mm/mmap.c:1411
vm_mmap_pgoff+0x1e5/0x2f0 mm/util.c:520
ksys_mmap_pgoff+0x48c/0x6d0 mm/mmap.c:1457
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcafaa8c0a9
RSP: 002b:00007fcafb759168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fcafabac120 RCX: 00007fcafaa8c0a9
RDX: 0000000000800006 RSI: 0000000002047ffb RDI: 0000000020001000
RBP: 00007fcafaae7ae9 R08: 0000000000000009 R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc2c88d35f R14: 00007fcafb759300 R15: 0000000000022000
INFO: task syz-executor.2:307 blocked for more than 147 seconds.
Not tainted 6.2.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:25528 pid:307 ppid:5101 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x9d1/0xe40 kernel/sched/core.c:6555
schedule+0xcb/0x190 kernel/sched/core.c:6631
io_schedule+0x83/0x100 kernel/sched/core.c:8811
folio_wait_bit_common+0x8ca/0x1390 mm/filemap.c:1297
folio_lock include/linux/pagemap.h:938 [inline]
truncate_inode_pages_range+0xc8d/0x1650 mm/truncate.c:421
truncate_inode_pages mm/truncate.c:448 [inline]
truncate_pagecache mm/truncate.c:743 [inline]
truncate_setsize+0xcb/0xf0 mm/truncate.c:768
ntfs_truncate fs/ntfs3/file.c:395 [inline]
ntfs3_setattr+0x5a5/0xca0 fs/ntfs3/file.c:696
notify_change+0xe50/0x1100 fs/attr.c:482
do_truncate+0x219/0x300 fs/open.c:65
handle_truncate fs/namei.c:3216 [inline]
do_open fs/namei.c:3561 [inline]
path_openat+0x273d/0x2de0 fs/namei.c:3714
do_filp_open+0x275/0x500 fs/namei.c:3741
do_sys_openat2+0x13b/0x500 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+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcafaa8c0a9
RSP: 002b:00007fcafb738168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007fcafabac1f0 RCX: 00007fcafaa8c0a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007fcafaae7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc2c88d35f R14: 00007fcafb738300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d523910 (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: ffffffff8d524110 (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: ffffffff8d523740 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
6 locks held by kworker/1:1H/93:
#0: ffff8880b983a1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0xc6/0x110 kernel/sched/core.c:545
#1: ffff8880b9927748 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x682/0xa30 kernel/sched/psi.c:976
#2: ffffffff8d523740 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x9/0x30 include/linux/rcupdate.h:325
#3: ffff88801eecb8d8 (&lo->lo_work_lock){..-.}-{2:2}, at: spin_lock_irq include/linux/spinlock.h:375 [inline]
#3: ffff88801eecb8d8 (&lo->lo_work_lock){..-.}-{2:2}, at: loop_queue_work drivers/block/loop.c:838 [inline]
#3: ffff88801eecb8d8 (&lo->lo_work_lock){..-.}-{2:2}, at: loop_queue_rq+0x223/0xae0 drivers/block/loop.c:1849
#4: ffffffff8d523740 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:324
#5: ffff888012879818 (&pool->lock/1){..-.}-{2:2}, at: __queue_work+0x5f4/0xd60
2 locks held by getty/4741:
#0: ffff88802c55b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900015902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6e8/0x1e50 drivers/tty/n_tty.c:2177
1 lock held by syz-executor.1/5109:
#0: ffffffff8d528d78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline]
#0: ffffffff8d528d78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x46f/0x890 kernel/rcu/tree_exp.h:946
2 locks held by syz-executor.4/5114:
#0: ffff8880b983a1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0xc6/0x110 kernel/sched/core.c:545
#1: ffff8880b9827748 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x682/0xa30 kernel/sched/psi.c:976
2 locks held by kworker/u4:10/6113:
#0: ffff888012879138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262
#1: ffffc900159afd00 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264
2 locks held by kworker/1:0/26975:
#0: ffff888012872538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262
#1: ffffc900034d7d00 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264
1 lock held by syz-executor.2/32748:
#0: ffff8880792bbe98 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline]
#0: ffff8880792bbe98 (&mm->mmap_lock){++++}-{3:3}, at: exit_mm+0xcc/0x2f0 kernel/exit.c:539
1 lock held by syz-executor.2/32753:
#0: ffff8880792bbe98 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_lock+0x17/0x50 include/linux/mmap_lock.h:117
3 locks held by syz-executor.2/32755:
#0: ffff888078144460 (sb_writers#13){.+.+}-{0:0}, at: do_sendfile+0x61c/0xfd0 fs/read_write.c:1254
#1: ffff8880938b2a20 (mapping.invalidate_lock#4){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline]
#1: ffff8880938b2a20 (mapping.invalidate_lock#4){.+.+}-{3:3}, at: filemap_update_page+0x72/0x550 mm/filemap.c:2478
#2: ffff8880938b25e0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1122 [inline]
#2: ffff8880938b25e0 (&ni->ni_lock/4){+.+.}-{3:3}, at: attr_data_get_block+0x4a6/0x2e40 fs/ntfs3/attrib.c:919
2 locks held by syz-executor.2/305:
#0: ffff8880792bbe98 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline]
#0: ffff8880792bbe98 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x18f/0x2f0 mm/util.c:518
#1: ffff8880938b25e0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1122 [inline]
#1: ffff8880938b25e0 (&ni->ni_lock/4){+.+.}-{3:3}, at: attr_data_get_block+0x4a6/0x2e40 fs/ntfs3/attrib.c:919
3 locks held by syz-executor.2/307:
#0: ffff888078144460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:508
#1: ffff8880938b2880 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff8880938b2880 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: do_truncate+0x205/0x300 fs/open.c:63
#2: ffff8880938b25e0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1122 [inline]
#2: ffff8880938b25e0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_truncate fs/ntfs3/file.c:393 [inline]
#2: ffff8880938b25e0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs3_setattr+0x596/0xca0 fs/ntfs3/file.c:696
1 lock held by syz-executor.2/386:
#0: ffffffff8d528d78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline]
#0: ffffffff8d528d78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x46f/0x890 kernel/rcu/tree_exp.h:946
2 locks held by kworker/u4:7/1225:
1 lock held by syz-executor.0/1265:
#0: ffff8880191f12d8 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline]
#0: ffff8880191f12d8 (&mm->mmap_lock){++++}-{3:3}, at: exit_mm+0xcc/0x2f0 kernel/exit.c:539
1 lock held by syz-executor.0/1266:
#0: ffff8880191f12d8 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_lock+0x17/0x50 include/linux/mmap_lock.h:117
1 lock held by syz-executor.0/1274:
#0: ffff8880191f12d8 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline]
#0: ffff8880191f12d8 (&mm->mmap_lock){++++}-{3:3}, at: exit_mm+0xcc/0x2f0 kernel/exit.c:539
3 locks held by syz-executor.0/1284:
#0: ffff8880191f12d8 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline]
#0: ffff8880191f12d8 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x18f/0x2f0 mm/util.c:518
#1: ffff88809d3dd220 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1122 [inline]
#1: ffff88809d3dd220 (&ni->ni_lock/4){+.+.}-{3:3}, at: attr_data_get_block+0x4a6/0x2e40 fs/ntfs3/attrib.c:919
#2: ffff88809d3dd2d0 (&ni->file.run_lock#3){++++}-{3:3}, at: attr_data_get_block+0x4ae/0x2e40 fs/ntfs3/attrib.c:920
1 lock held by syz-executor.5/1270:
#0: ffff8880191f5018 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline]
#0: ffff8880191f5018 (&mm->mmap_lock){++++}-{3:3}, at: exit_mm+0xcc/0x2f0 kernel/exit.c:539
1 lock held by syz-executor.5/1271:
#0: ffff8880191f5018 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_lock+0x17/0x50 include/linux/mmap_lock.h:117
1 lock held by syz-executor.5/1278:
#0: ffff8880191f5018 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline]
#0: ffff8880191f5018 (&mm->mmap_lock){++++}-{3:3}, at: exit_mm+0xcc/0x2f0 kernel/exit.c:539
3 locks held by syz-executor.5/1280:
1 lock held by syz-executor.4/1281:
#0: ffff88802a016198 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline]
#0: ffff88802a016198 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x18f/0x2f0 mm/util.c:518
4 locks held by syz-executor.4/1283:
2 locks held by syz-executor.4/1285:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc1-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+0x1e3/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x4e3/0x560 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x19b/0x3e0 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+0xcd5/0xd20 kernel/hung_task.c:377
kthread+0x266/0x300 kernel/kthread.c:376
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 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline]
NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry drivers/acpi/processor_idle.c:570 [inline]
NMI backtrace for cpu 1 skipped: idling at acpi_idle_enter+0x43d/0x800 drivers/acpi/processor_idle.c:707