INFO: task syz-executor.5:1735 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.5 state:D stack:23800 pid:1735 ppid:5115 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6555
schedule+0xcb/0x190 kernel/sched/core.c:6631
rwsem_down_read_slowpath+0x5f9/0x930 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/0x2c0 kernel/exit.c:539
do_exit+0x5c7/0x2150 kernel/exit.c:854
do_group_exit+0x1fd/0x2b0 kernel/exit.c:1012
get_signal+0x1701/0x17c0 kernel/signal.c:2859
arch_do_signal_or_restart+0x7b/0x5e0 arch/x86/kernel/signal.c:306
exit_to_user_mode_loop+0x74/0x150 kernel/entry/common.c:168
exit_to_user_mode_prepare+0xb2/0x140 kernel/entry/common.c:203
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x26/0x60 kernel/entry/common.c:296
do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff22508c0f2
RSP: 002b:00007ffc8967f648 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: fffffffffffffffc RBX: 0000000000020022 RCX: 00007ff22508c0f2
RDX: 0000000000000000 RSI: 0000000000021000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000020022 R11: 0000000000000246 R12: 00007ffc8967f850
R13: 00007ff2243ff700 R14: 0000000000000000 R15: 0000000000022000
INFO: task syz-executor.5:1737 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.5 state:D stack:21560 pid:1737 ppid:5115 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x995/0xe20 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+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:1122 [inline]
attr_data_get_block+0x315/0x2d70 fs/ntfs3/attrib.c:919
ntfs_get_block_vbo+0x31f/0xc40 fs/ntfs3/inode.c:573
do_mpage_readpage+0x970/0x1c50 fs/mpage.c:208
mpage_read_folio+0xf7/0x1c0 fs/mpage.c:379
filemap_read_folio+0x187/0x7d0 mm/filemap.c:2426
filemap_create_folio mm/filemap.c:2555 [inline]
filemap_get_pages+0xadb/0x10d0 mm/filemap.c:2607
filemap_read+0x3cf/0xea0 mm/filemap.c:2694
call_read_iter include/linux/fs.h:2180 [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: 0033:0x7ff22508c0a9
RSP: 002b:00007ff225e4e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007ff2251abf80 RCX: 00007ff22508c0a9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007ff2250e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc8967f6bf R14: 00007ff225e4e300 R15: 0000000000022000
INFO: task syz-executor.5:1754 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.5 state:D stack:22056 pid:1754 ppid:5115 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x995/0xe20 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+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:1122 [inline]
attr_data_get_block+0x315/0x2d70 fs/ntfs3/attrib.c:919
ntfs_file_mmap+0x437/0x6b0 fs/ntfs3/file.c:296
call_mmap include/linux/fs.h:2191 [inline]
mmap_region+0xfe6/0x1e20 mm/mmap.c:2621
do_mmap+0x8d9/0xf30 mm/mmap.c:1411
vm_mmap_pgoff+0x19e/0x2b0 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+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff22508c0a9
RSP: 002b:00007ff225e2d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007ff2251ac050 RCX: 00007ff22508c0a9
RDX: 0000000000800006 RSI: 0000000002047ffb RDI: 0000000020001000
RBP: 00007ff2250e7ae9 R08: 0000000000000006 R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc8967f6bf R14: 00007ff225e2d300 R15: 0000000000022000
INFO: task syz-executor.5:1755 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.5 state:D stack:22792 pid:1755 ppid:5115 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x995/0xe20 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+0x83a/0x12a0 mm/filemap.c:1297
__folio_lock mm/filemap.c:1660 [inline]
folio_lock include/linux/pagemap.h:938 [inline]
__filemap_get_folio+0x566/0x1250 mm/filemap.c:1932
truncate_inode_pages_range+0x594/0x1690 mm/truncate.c:377
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+0x200/0x2f0 fs/open.c:65
handle_truncate fs/namei.c:3216 [inline]
do_open fs/namei.c:3561 [inline]
path_openat+0x272b/0x2dd0 fs/namei.c:3714
do_filp_open+0x264/0x4f0 fs/namei.c:3741
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: 0033:0x7ff22508c0a9
RSP: 002b:00007ff225e0c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007ff2251ac120 RCX: 00007ff22508c0a9
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000020000000
RBP: 00007ff2250e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc8967f6bf R14: 00007ff225e0c300 R15: 0000000000022000
INFO: task syz-executor.5:1756 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.5 state:D stack:26360 pid:1756 ppid:5115 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6555
schedule+0xcb/0x190 kernel/sched/core.c:6631
rwsem_down_read_slowpath+0x5f9/0x930 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/0x110 arch/x86/mm/fault.c:1575
asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7ff225031b74
RSP: 002b:00007ff225deb190 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000002 RCX: 00007ff2250e8d6d
RDX: 00000000000ff126 RSI: 0000000000000000 RDI: 00007ff2250e68f1
RBP: 00007ff2250e7ae9 R08: 00007ffc897c1080 R09: 0000000000000010
R10: 00007ffc897c10b8 R11: 00000000000386bc R12: 0000000000000000
R13: 00007ffc8967f6bf R14: 00007ff225deb300 R15: 0000000000022000
Showing all locks held in the system:
2 locks held by kworker/u4:0/9:
#0: ffff888012879138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0
#1: ffff8880b9927748 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x611/0x9a0 kernel/sched/psi.c:976
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d326e90 (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: ffffffff8d327690 (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: ffffffff8d326cc0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
3 locks held by kworker/u4:4/56:
2 locks held by getty/4748:
#0: ffff888027f73098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x53b/0x1650 drivers/tty/n_tty.c:2177
2 locks held by kworker/1:9/1601:
#0: ffff888012872538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0
#1: ffffc9000b78fd00 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264
1 lock held by syz-executor.5/1735:
#0: ffff88802ac66198 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline]
#0: ffff88802ac66198 (&mm->mmap_lock){++++}-{3:3}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:539
3 locks held by syz-executor.5/1737:
#0: ffff888030c1c460 (sb_writers#20){.+.+}-{0:0}, at: do_sendfile+0x5d6/0xf80 fs/read_write.c:1254
#1: ffff888023754040 (mapping.invalidate_lock#5){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline]
#1: ffff888023754040 (mapping.invalidate_lock#5){++++}-{3:3}, at: filemap_create_folio mm/filemap.c:2547 [inline]
#1: ffff888023754040 (mapping.invalidate_lock#5){++++}-{3:3}, at: filemap_get_pages+0xa30/0x10d0 mm/filemap.c:2607
#2: ffff888023753c00 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1122 [inline]
#2: ffff888023753c00 (&ni->ni_lock/4){+.+.}-{3:3}, at: attr_data_get_block+0x315/0x2d70 fs/ntfs3/attrib.c:919
2 locks held by syz-executor.5/1754:
#0: ffff88802ac66198 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline]
#0: ffff88802ac66198 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x14d/0x2b0 mm/util.c:518
#1: ffff888023753c00 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1122 [inline]
#1: ffff888023753c00 (&ni->ni_lock/4){+.+.}-{3:3}, at: attr_data_get_block+0x315/0x2d70 fs/ntfs3/attrib.c:919
3 locks held by syz-executor.5/1755:
#0: ffff888030c1c460 (sb_writers#20){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:508
#1: ffff888023753ea0 (&sb->s_type->i_mutex_key#26){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff888023753ea0 (&sb->s_type->i_mutex_key#26){+.+.}-{3:3}, at: do_truncate+0x1ec/0x2f0 fs/open.c:63
#2: ffff888023753c00 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1122 [inline]
#2: ffff888023753c00 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_truncate fs/ntfs3/file.c:393 [inline]
#2: ffff888023753c00 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs3_setattr+0x596/0xca0 fs/ntfs3/file.c:696
1 lock held by syz-executor.5/1756:
#0: ffff88802ac66198 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_lock+0x17/0x50 include/linux/mmap_lock.h:117
4 locks held by syz-executor.5/4350:
#0: ffff88814b9a2460 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write_file+0x5a/0x1f0 fs/namespace.c:552
#1: ffff8880787ef258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff8880787ef258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: vfs_fileattr_set+0x135/0xd20 fs/ioctl.c:681
#2: ffff88814b9a4b98 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_ind_migrate+0x262/0x730 fs/ext4/migrate.c:624
#3: ffffffff8d32c338 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline]
#3: ffffffff8d32c338 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x384/0x860 kernel/rcu/tree_exp.h:946
2 locks held by syz-executor.5/4359:
#0: ffff88814b9a2460 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:508
#1: ffff8880787ef258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff8880787ef258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: process_measurement+0x411/0x1bc0 security/integrity/ima/ima_main.c:241
2 locks held by syz-executor.5/4362:
#0: ffff88814b9a2460 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:508
#1: ffff8880787ef258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff8880787ef258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: process_measurement+0x411/0x1bc0 security/integrity/ima/ima_main.c:241
2 locks held by syz-executor.5/4365:
#0: ffff88814b9a2460 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:508
#1: ffff8880787ef258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff8880787ef258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: process_measurement+0x411/0x1bc0 security/integrity/ima/ima_main.c:241
2 locks held by syz-executor.5/4367:
#0: ffff88814b9a2460 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:508
#1: ffff8880787ef258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff8880787ef258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: process_measurement+0x411/0x1bc0 security/integrity/ima/ima_main.c:241
1 lock held by syz-executor.0/4375:
#0: ffffffff8d32c338 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline]
#0: ffffffff8d32c338 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x455/0x860 kernel/rcu/tree_exp.h:946
=============================================
NMI backtrace for cpu 1
CPU: 1 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+0x1b1/0x290 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+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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 56 Comm: kworker/u4:4 Not tainted 6.2.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: bat_events batadv_nc_worker
RIP: 0010:hlock_class kernel/locking/lockdep.c:227 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4730 [inline]
RIP: 0010:__lock_acquire+0x51a/0x1f60 kernel/locking/lockdep.c:5005
Code: c3 b8 00 00 00 48 89 d8 48 c1 e8 03 8a 04 10 84 c0 0f 85 c8 12 00 00 44 8a 33 48 8b 44 24 18 8a 04 10 84 c0 0f 85 d9 12 00 00 <41> 8b 1f 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 80 11
RSP: 0018:ffffc900015779a8 EFLAGS: 00000046
RAX: 1ffff11003110c00 RBX: ffffffff904d89f8 RCX: ffffffff816b1500
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff907e1180
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff20fc231
R10: fffffbfff20fc231 R11: 1ffffffff20fc230 R12: 0000000000000000
R13: ffff8880188857c0 R14: 0000000000020002 R15: ffff888018886268
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f798993c000 CR3: 000000002d44c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x182/0x3c0 kernel/locking/lockdep.c:5668
rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:325
rcu_read_lock include/linux/rcupdate.h:764 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0xc8/0x5b0 net/batman-adv/network-coding.c:719
process_one_work+0x877/0xdb0 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308