INFO: task syz-executor.5:24431 blocked for more than 143 seconds. Not tainted 6.1.0-rc8-syzkaller-00018-g479174d402bc #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:20552 pid:24431 ppid:3665 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5209 [inline] __schedule+0x8c9/0xd70 kernel/sched/core.c:6521 schedule+0xcb/0x190 kernel/sched/core.c:6597 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6656 __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:1108 [inline] attr_data_get_block+0x301/0x2370 fs/ntfs3/attrib.c:917 ntfs_get_block_vbo+0x310/0xe40 fs/ntfs3/inode.c:564 do_mpage_readpage+0x970/0x1c50 fs/mpage.c:208 mpage_readahead+0x210/0x380 fs/mpage.c:361 read_pages+0x169/0x9c0 mm/readahead.c:161 page_cache_ra_unbounded+0x703/0x820 mm/readahead.c:270 filemap_readahead mm/filemap.c:2557 [inline] filemap_get_pages+0x72f/0x10d0 mm/filemap.c:2597 filemap_read+0x3cf/0xea0 mm/filemap.c:2675 call_read_iter include/linux/fs.h:2193 [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: 0033:0x7f35a968c0d9 RSP: 002b:00007f35aa435168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f35a97abf80 RCX: 00007f35a968c0d9 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000005 RBP: 00007f35a96e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7865027f R14: 00007f35aa435300 R15: 0000000000022000 INFO: task syz-executor.5:24445 blocked for more than 144 seconds. Not tainted 6.1.0-rc8-syzkaller-00018-g479174d402bc #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:21792 pid:24445 ppid:3665 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5209 [inline] __schedule+0x8c9/0xd70 kernel/sched/core.c:6521 schedule+0xcb/0x190 kernel/sched/core.c:6597 io_schedule+0x83/0x100 kernel/sched/core.c:8741 folio_wait_bit_common+0x83a/0x12a0 mm/filemap.c:1296 folio_lock include/linux/pagemap.h:939 [inline] truncate_inode_pages_range+0xc9d/0x17f0 mm/truncate.c:423 truncate_inode_pages mm/truncate.c:452 [inline] truncate_pagecache mm/truncate.c:753 [inline] truncate_setsize+0xcb/0xf0 mm/truncate.c:778 ntfs_truncate fs/ntfs3/file.c:491 [inline] ntfs3_setattr+0x4f2/0xb00 fs/ntfs3/file.c:792 notify_change+0xe38/0x10f0 fs/attr.c:420 do_truncate+0x1fb/0x2e0 fs/open.c:65 handle_truncate fs/namei.c:3216 [inline] do_open fs/namei.c:3561 [inline] path_openat+0x2770/0x2df0 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: 0033:0x7f35a968c0d9 RSP: 002b:00007f35aa414168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f35a97ac050 RCX: 00007f35a968c0d9 RDX: 0000000000000000 RSI: 0000000000000018 RDI: 00000000200000c0 RBP: 00007f35a96e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7865027f R14: 00007f35aa414300 R15: 0000000000022000 INFO: task syz-executor.5:24448 blocked for more than 145 seconds. Not tainted 6.1.0-rc8-syzkaller-00018-g479174d402bc #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:23704 pid:24448 ppid:3665 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5209 [inline] __schedule+0x8c9/0xd70 kernel/sched/core.c:6521 schedule+0xcb/0x190 kernel/sched/core.c:6597 rwsem_down_write_slowpath+0xfc1/0x1480 kernel/locking/rwsem.c:1190 __down_write_common kernel/locking/rwsem.c:1305 [inline] __down_write kernel/locking/rwsem.c:1314 [inline] down_write+0x231/0x270 kernel/locking/rwsem.c:1563 inode_lock include/linux/fs.h:756 [inline] process_measurement+0x427/0x1bd0 security/integrity/ima/ima_main.c:241 ima_file_check+0xd8/0x130 security/integrity/ima/ima_main.c:517 do_open fs/namei.c:3559 [inline] path_openat+0x2642/0x2df0 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_open fs/open.c:1334 [inline] __se_sys_open fs/open.c:1330 [inline] __x64_sys_open+0x221/0x270 fs/open.c:1330 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: 0033:0x7f35a968c0d9 RSP: 002b:00007f35aa3f3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f35a97ac120 RCX: 00007f35a968c0d9 RDX: 0000000000000000 RSI: 0000000000143142 RDI: 0000000020000080 RBP: 00007f35a96e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7865027f R14: 00007f35aa3f3300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8d127330 (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: ffffffff8d127b30 (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: ffffffff8d127160 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 2 locks held by getty/3310: #0: ffff888027ff3098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244 #1: ffffc900031262f0 ( &ldata->atomic_read_lock ){+.+.}-{3:3} , at: n_tty_read+0x53b/0x1650 drivers/tty/n_tty.c:2177 1 lock held by syz-executor.0/3666: #0: ffff88808256c0e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0x96/0xd0 fs/super.c:362 1 lock held by syz-executor.3/3670: #0: ffff8880798580e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0x96/0xd0 fs/super.c:362 2 locks held by syz-executor.2/3677: #0: ffff88801d05c0e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0x96/0xd0 fs/super.c:362 #1: ffffffff8d12c738 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline] #1: ffffffff8d12c738 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x455/0x860 kernel/rcu/tree_exp.h:946 2 locks held by kworker/1:6/3724: #0: ffff888012864d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0 #1: ffffc900047ffd00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264 3 locks held by kworker/1:8/3737: #0: ffff888012864d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0 #1: ffffc90004c7fd00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264 #2: ffffffff8d12c738 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline] #2: ffffffff8d12c738 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x455/0x860 kernel/rcu/tree_exp.h:946 2 locks held by kworker/0:11/4028: #0: ffff888012866538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0 #1: ffffc9000649fd00 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264 2 locks held by kworker/1:19/6276: #0: ffff888012864d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0 #1: ffffc9001687fd00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264 3 locks held by syz-executor.5/24431: #0: ffff888021c6c460 (sb_writers#15){.+.+}-{0:0}, at: do_sendfile+0x5d6/0xf80 fs/read_write.c:1254 #1: ffff888037a2a2c0 (mapping.invalidate_lock#4){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline] #1: ffff888037a2a2c0 (mapping.invalidate_lock#4){++++}-{3:3}, at: page_cache_ra_unbounded+0xe9/0x820 mm/readahead.c:226 #2: ffff888037a29e80 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1108 [inline] #2: ffff888037a29e80 (&ni->ni_lock/4){+.+.}-{3:3}, at: attr_data_get_block+0x301/0x2370 fs/ntfs3/attrib.c:917 3 locks held by syz-executor.5/24445: #0: ffff888021c6c460 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393 #1: ffff888037a2a120 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff888037a2a120 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: do_truncate+0x1e7/0x2e0 fs/open.c:63 #2: ffff888037a29e80 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1108 [inline] #2: ffff888037a29e80 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_truncate fs/ntfs3/file.c:489 [inline] #2: ffff888037a29e80 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs3_setattr+0x4e3/0xb00 fs/ntfs3/file.c:792 1 lock held by syz-executor.5/24448: #0: ffff888037a2a120 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #0: ffff888037a2a120 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: process_measurement+0x427/0x1bd0 security/integrity/ima/ima_main.c:241 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.0-rc8-syzkaller-00018-g479174d402bc #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+0x1b1/0x28e 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+0xcf5/0xd40 kernel/hung_task.c:377 kthread+0x266/0x300 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: 21817 Comm: kworker/u4:11 Not tainted 6.1.0-rc8-syzkaller-00018-g479174d402bc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: phy13 ieee80211_iface_work RIP: 0010:lock_acquire+0x6/0x3c0 kernel/locking/lockdep.c:5636 Code: e8 af 73 74 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 65 8b 05 d1 1d 98 7e a9 00 ff ff 00 0f 95 c0 c3 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 00 01 00 00 45 89 c6 41 RSP: 0018:ffffc9001619f8b8 EFLAGS: 00000246 RAX: ffffffff8a105d8a RBX: ffff888029b20868 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8d127160 RBP: ffffc9001619f8c0 R08: 0000000000000000 R09: 0000000000000000 R10: fffff52002c33ec4 R11: 1ffff92002c33ec3 R12: ffff88802a630c80 R13: ffff88802afc9c50 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f22f448f000 CR3: 000000000ce8e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:304 rcu_read_lock include/linux/rcupdate.h:738 [inline] ieee80211_update_sta_info net/mac80211/ibss.c:999 [inline] ieee80211_rx_bss_info net/mac80211/ibss.c:1118 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1609 [inline] ieee80211_ibss_rx_queued_mgmt+0xf20/0x2c00 net/mac80211/ibss.c:1638 ieee80211_iface_process_skb net/mac80211/iface.c:1630 [inline] ieee80211_iface_work+0x773/0xcf0 net/mac80211/iface.c:1684 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:306