INFO: task syz-executor.2:6193 blocked for more than 144 seconds.
Not tainted 6.1.0-rc8-syzkaller-00154-g296a7b7eb792 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:28464 pid:6193 ppid:3666 flags:0x00000004
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
rwsem_down_write_slowpath+0x600/0x12e0 kernel/locking/rwsem.c:1190
__down_write_common kernel/locking/rwsem.c:1305 [inline]
__down_write_common kernel/locking/rwsem.c:1302 [inline]
__down_write kernel/locking/rwsem.c:1314 [inline]
down_write+0x1e8/0x220 kernel/locking/rwsem.c:1563
inode_lock include/linux/fs.h:756 [inline]
process_measurement+0x6f7/0x18b0 security/integrity/ima/ima_main.c:241
ima_file_check+0xb0/0x100 security/integrity/ima/ima_main.c:517
do_open fs/namei.c:3559 [inline]
path_openat+0x1611/0x2860 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: 0033:0x7f6aef28c0d9
RSP: 002b:00007f6aeffbf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f6aef3ac120 RCX: 00007f6aef28c0d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020004380
RBP: 00007f6aef2e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff9a614def R14: 00007f6aeffbf300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8c58f070 (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/13:
#0: ffffffff8c58ed70 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
4 locks held by kworker/0:1/14:
#0: ffff8880b9a3b158 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2f/0x120 kernel/sched/core.c:537
#1: ffff8880b9a28808 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2de/0x930 kernel/sched/psi.c:909
#2: ffff8880b9a29418 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x5a/0x1f0 kernel/time/timer.c:999
#3: ffff8880b9a3a998 (&pool->lock){-.-.}-{2:2}, at: __queue_work+0x367/0x13b0 kernel/workqueue.c:1474
1 lock held by khungtaskd/27:
#0: ffffffff8c58fbc0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 kernel/locking/lockdep.c:6494
2 locks held by kworker/u4:3/46:
#0: ffff8880b9a3b158 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2f/0x120 kernel/sched/core.c:537
#1: ffff8880b9a28808 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2de/0x930 kernel/sched/psi.c:909
2 locks held by getty/3307:
#0: ffff88814b121098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900031362f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177
2 locks held by kworker/0:4/3712:
#0: ffff888012066538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012066538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012066538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888012066538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888012066538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888012066538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc90004a17da8 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
4 locks held by kworker/u4:14/4484:
#0: ffff8880121c6938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8880121c6938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff8880121c6938 ((wq_completion)netns){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff8880121c6938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff8880121c6938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff8880121c6938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc90003517da8 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffffffff8dea1250 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9f/0xb00 net/core/net_namespace.c:563
#3: ffffffff8deb4e68 (rtnl_mutex){+.+.}-{3:3}, at: wg_netns_pre_exit+0x1b/0x210 drivers/net/wireguard/device.c:420
3 locks held by kworker/u4:18/6090:
#0: ffff888012069138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012069138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012069138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888012069138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888012069138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888012069138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc9000a25fda8 ((work_completion)(&map->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffffffff8c59a878 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline]
#2: ffffffff8c59a878 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x24f/0x780 kernel/rcu/tree_exp.h:946
4 locks held by syz-executor.2/6189:
#0: ffff88807ae52460 (sb_writers#4){.+.+}-{0:0}, at: do_open fs/namei.c:3550 [inline]
#0: ffff88807ae52460 (sb_writers#4){.+.+}-{0:0}, at: path_openat+0x19ee/0x2860 fs/namei.c:3714
#1: ffff888059d88400 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff888059d88400 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: do_truncate+0x12e/0x200 fs/open.c:63
#2: ffff888059d885a0 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:801 [inline]
#2: ffff888059d885a0 (mapping.invalidate_lock){++++}-{3:3}, at: ext4_setattr+0x734/0x2b30 fs/ext4/inode.c:5453
#3: ffff888059d88288 (&ei->i_data_sem){++++}-{3:3}, at: ext4_truncate+0x68d/0x1530 fs/ext4/inode.c:4259
2 locks held by syz-executor.2/6193:
#0: ffff88807ae52460 (sb_writers#4){.+.+}-{0:0}, at: do_open fs/namei.c:3550 [inline]
#0: ffff88807ae52460 (sb_writers#4){.+.+}-{0:0}, at: path_openat+0x19ee/0x2860 fs/namei.c:3714
#1: ffff888059d88400 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff888059d88400 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: process_measurement+0x6f7/0x18b0 security/integrity/ima/ima_main.c:241
3 locks held by kworker/1:9/7591:
#0: ffff8880b9b3b158 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2f/0x120 kernel/sched/core.c:537
#1: ffff8880b9b28808 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2de/0x930 kernel/sched/psi.c:909
#2: ffffffff91c582c0 (&obj_hash[i].lock){-.-.}-{2:2}, at: __debug_check_no_obj_freed lib/debugobjects.c:977 [inline]
#2: ffffffff91c582c0 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_check_no_obj_freed+0xcb/0x420 lib/debugobjects.c:1020
3 locks held by syz-executor.3/7882:
2 locks held by syz-executor.3/7908:
3 locks held by syz-executor.3/7934:
2 locks held by syz-executor.0/8023:
#0: ffffffff8deb4e68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8deb4e68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e9/0xca0 net/core/rtnetlink.c:6088
#1: ffffffff8c59a878 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline]
#1: ffffffff8c59a878 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x24f/0x780 kernel/rcu/tree_exp.h:946
1 lock held by syz-executor.1/8070:
#0: ffffffff8d7e6328 (input_mutex){+.+.}-{3:3}, at: __input_unregister_device+0x136/0x450 drivers/input/input.c:2219
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 6.1.0-rc8-syzkaller-00154-g296a7b7eb792 #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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 7882 Comm: syz-executor.3 Not tainted 6.1.0-rc8-syzkaller-00154-g296a7b7eb792 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:hlock_class kernel/locking/lockdep.c:222 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4754 [inline]
RIP: 0010:__lock_acquire+0x6be/0x56d0 kernel/locking/lockdep.c:5005
Code: 00 00 45 3b a5 48 0a 00 00 0f 8d 99 00 00 00 49 63 c4 48 8d 04 80 49 8d 1c c6 48 8d 7b 20 48 89 fa 48 c1 ea 03 42 0f b6 14 3a <84> d2 74 09 80 fa 03 0f 8e af 27 00 00 0f b7 53 20 66 81 e2 ff 1f
RSP: 0018:ffffc90017936f18 EFLAGS: 00000016
RAX: 0000000000000000 RBX: ffff88807c888a50 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807c888a70
RBP: 0000000000000004 R08: 0000000000000000 R09: dffffc0000000000
R10: fffffbfff221e948 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88807c888000 R14: ffff88807c888a50 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020404030 CR3: 000000004b912000 CR4: 0000000000350ef0
Call Trace:
lock_acquire kernel/locking/lockdep.c:5668 [inline]
lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633
rcu_lock_acquire include/linux/rcupdate.h:304 [inline]
rcu_read_lock include/linux/rcupdate.h:738 [inline]
filemap_get_folios+0x106/0x710 mm/filemap.c:2150
mpage_release_unused_pages+0x1f2/0x740 fs/ext4/inode.c:1595
ext4_writepages+0x153d/0x3da0 fs/ext4/inode.c:2852
do_writepages+0x1af/0x690 mm/page-writeback.c:2469
filemap_fdatawrite_wbc mm/filemap.c:388 [inline]
filemap_fdatawrite_wbc+0x147/0x1b0 mm/filemap.c:378
__filemap_fdatawrite_range+0xb8/0xf0 mm/filemap.c:421
ext4_alloc_da_blocks+0x25f/0x3c0 fs/ext4/inode.c:3140
ext4_release_file+0x181/0x370 fs/ext4/file.c:158
__fput+0x27c/0xa90 fs/file_table.c:320
task_work_run+0x16f/0x270 kernel/task_work.c:179
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xb3d/0x2a30 kernel/exit.c:820
do_group_exit+0xd4/0x2a0 kernel/exit.c:950
get_signal+0x21b1/0x2440 kernel/signal.c:2858
arch_do_signal_or_restart+0x86/0x2300 arch/x86/kernel/signal.c:869
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203
irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:309
asm_exc_general_protection+0x26/0x30 arch/x86/include/asm/idtentry.h:564
RIP: 0033:0x7f1955e8c0e1
Code: Unable to access opcode bytes at 0x7f1955e8c0b7.
RSP: 002b:0000000020000140 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f1955fabf80 RCX: 00007f1955e8c0d9
RDX: 00000000200001c0 RSI: 0000000020000140 RDI: 0000000044000200
RBP: 00007f1955ee7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fff3cadd67f R14: 00007f1956bea300 R15: 0000000000022000