INFO: task syz-executor.5:14228 blocked for more than 143 seconds. Not tainted 6.2.0-rc1-syzkaller-00095-ge4cf7c25bae5 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:19136 pid:14228 ppid:5109 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_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] ntfs_file_write_iter+0x25a/0x6c0 fs/ntfs3/file.c:1051 do_iter_write+0x6c2/0xc20 fs/read_write.c:861 iter_file_splice_write+0x7fc/0xfc0 fs/splice.c:686 do_splice_from fs/splice.c:764 [inline] direct_splice_actor+0xe6/0x1c0 fs/splice.c:931 splice_direct_to_actor+0x4e4/0xc00 fs/splice.c:886 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: 0033:0x7f7b4c28c0a9 RSP: 002b:00007f7b4d0c7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f7b4c3abf80 RCX: 00007f7b4c28c0a9 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007f7b4c2e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 000080001d00c0d0 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffa79571ff R14: 00007f7b4d0c7300 R15: 0000000000022000 INFO: task syz-executor.5:14250 blocked for more than 144 seconds. Not tainted 6.2.0-rc1-syzkaller-00095-ge4cf7c25bae5 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:17824 pid:14250 ppid:5109 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_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:2576 [inline] filemap_get_pages+0x72f/0x10d0 mm/filemap.c:2616 filemap_read+0x3cf/0xea0 mm/filemap.c:2694 __kernel_read+0x3fc/0x830 fs/read_write.c:428 integrity_kernel_read+0xac/0xf0 security/integrity/iint.c:199 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:485 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:516 [inline] ima_calc_file_hash+0x178f/0x1ca0 security/integrity/ima/ima_crypto.c:573 ima_collect_measurement+0x444/0x8c0 security/integrity/ima/ima_api.c:292 process_measurement+0xf41/0x1bc0 security/integrity/ima/ima_main.c:339 ima_file_check+0xd8/0x130 security/integrity/ima/ima_main.c:519 do_open fs/namei.c:3559 [inline] path_openat+0x2600/0x2dd0 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_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: 0033:0x7f7b4c28c0a9 RSP: 002b:00007f7b4d0a6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f7b4c3ac050 RCX: 00007f7b4c28c0a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140 RBP: 00007f7b4c2e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffa79571ff R14: 00007f7b4d0a6300 R15: 0000000000022000 INFO: task syz-executor.5:14251 blocked for more than 145 seconds. Not tainted 6.2.0-rc1-syzkaller-00095-ge4cf7c25bae5 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:22496 pid:14251 ppid:5109 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 include/linux/pagemap.h:938 [inline] truncate_inode_pages_range+0xc7d/0x1690 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+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: 0033:0x7f7b4c28c0a9 RSP: 002b:00007f7b4d085168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f7b4c3ac120 RCX: 00007f7b4c28c0a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007f7b4c2e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffa79571ff R14: 00007f7b4d085300 R15: 0000000000022000 INFO: task syz-executor.5:14252 blocked for more than 147 seconds. Not tainted 6.2.0-rc1-syzkaller-00095-ge4cf7c25bae5 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:23640 pid:14252 ppid:5109 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_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+0x411/0x1bc0 security/integrity/ima/ima_main.c:241 ima_file_check+0xd8/0x130 security/integrity/ima/ima_main.c:519 do_open fs/namei.c:3559 [inline] path_openat+0x2600/0x2dd0 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_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: 0033:0x7f7b4c28c0a9 RSP: 002b:00007f7b4d064168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f7b4c3ac1f0 RCX: 00007f7b4c28c0a9 RDX: 0000000000000000 RSI: 0000000000024000 RDI: 0000000020000000 RBP: 00007f7b4c2e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffa79571ff R14: 00007f7b4d064300 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: ffff8880b9827748 (&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: ffffffff8d326f50 (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: ffffffff8d327750 (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: ffffffff8d326d80 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 3 locks held by kworker/u4:4/75: 2 locks held by getty/4745: #0: ffff88814a277098 (&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 1 lock held by syz-executor.2/5102: 3 locks held by kworker/u4:8/6696: 5 locks held by kworker/u4:9/9822: 1 lock held by syz-executor.0/13498: #0: ffffffff8d32c3f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline] #0: ffffffff8d32c3f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x455/0x860 kernel/rcu/tree_exp.h:946 2 locks held by syz-executor.5/14228: #0: ffff88801fdb4460 (sb_writers#20){.+.+}-{0:0}, at: do_sendfile+0x5d6/0xf80 fs/read_write.c:1254 #1: ffff888076195c20 (&sb->s_type->i_mutex_key#39){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff888076195c20 (&sb->s_type->i_mutex_key#39){+.+.}-{3:3}, at: ntfs_file_write_iter+0x25a/0x6c0 fs/ntfs3/file.c:1051 3 locks held by syz-executor.5/14250: #0: ffff88801daf4ce0 (&iint->mutex){+.+.}-{3:3}, at: process_measurement+0x795/0x1bc0 security/integrity/ima/ima_main.c:260 #1: ffff888076195dc0 (mapping.invalidate_lock#14){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline] #1: ffff888076195dc0 (mapping.invalidate_lock#14){++++}-{3:3}, at: page_cache_ra_unbounded+0xe9/0x820 mm/readahead.c:226 #2: ffff888076195980 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1122 [inline] #2: ffff888076195980 (&ni->ni_lock/4){+.+.}-{3:3}, at: attr_data_get_block+0x315/0x2d70 fs/ntfs3/attrib.c:919 3 locks held by syz-executor.5/14251: #0: ffff88801fdb4460 (sb_writers#20){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:508 #1: ffff888076195c20 (&sb->s_type->i_mutex_key#39){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff888076195c20 (&sb->s_type->i_mutex_key#39){+.+.}-{3:3}, at: do_truncate+0x1ec/0x2f0 fs/open.c:63 #2: ffff888076195980 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1122 [inline] #2: ffff888076195980 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_truncate fs/ntfs3/file.c:393 [inline] #2: ffff888076195980 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs3_setattr+0x596/0xca0 fs/ntfs3/file.c:696 1 lock held by syz-executor.5/14252: #0: ffff888076195c20 (&sb->s_type->i_mutex_key#39){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #0: ffff888076195c20 (&sb->s_type->i_mutex_key#39){+.+.}-{3:3}, at: process_measurement+0x411/0x1bc0 security/integrity/ima/ima_main.c:241 2 locks held by syz-executor.5/14340: #0: ffff888067c800e0 (&type->s_umount_key#100){+.+.}-{3:3}, at: deactivate_super+0x96/0xd0 fs/super.c:362 #1: ffffffff8d32c3f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline] #1: ffffffff8d32c3f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x384/0x860 kernel/rcu/tree_exp.h:946 2 locks held by kworker/1:23/14575: #0: ffff888012872538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0 #1: ffffc900053cfd00 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264 1 lock held by syz-executor.4/16871: #0: ffff8880293ea0e0 (&type->s_umount_key#79/1){+.+.}-{3:3}, at: alloc_super+0x212/0x920 fs/super.c:228 1 lock held by syz-executor.2/16873: ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc1-syzkaller-00095-ge4cf7c25bae5 #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: 14289 Comm: udevd Not tainted 6.2.0-rc1-syzkaller-00095-ge4cf7c25bae5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:syscall_return_via_sysret+0x1b/0x44 Code: 48 83 bc 24 a0 00 00 00 2b 0f 85 9f 0d 00 00 66 90 b9 48 00 00 00 65 48 8b 14 25 10 6f 02 00 83 e2 fe 89 d0 48 c1 ea 20 0f 30 <41> 5f 41 5e 41 5d 41 5c 5d 5b 41 5b 41 5a 41 59 41 58 58 59 5a 5e RSP: 0018:ffffc90003a3ff58 EFLAGS: 00000046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000048 RDX: 0000000000000000 RSI: ffffffff8aedbbe0 RDI: ffffffff8b4bc2a0 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1d2cd36 R10: fffffbfff1d2cd36 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007fd1ef6a0840(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f22972a2000 CR3: 000000005b7cf000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: RIP: 0033:0x7fd1ef325a37 Code: c7 c0 ff ff ff ff c3 0f 1f 40 00 48 8b 15 39 f4 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb ba 0f 1f 00 b8 08 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 11 f4 0c 00 f7 d8 64 89 02 48 RSP: 002b:00007ffee6decff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000008 RAX: 0000000000007c00 RBX: 0000000000007c00 RCX: 00007fd1ef325a37 RDX: 0000000000000000 RSI: 0000000000007c00 RDI: 0000000000000009 RBP: 0000000000000400 R08: 00005601164c9ce0 R09: 000000000000004c R10: 0000000000000002 R11: 0000000000000246 R12: 00005601164c9ce0 R13: 00005601164abb30 R14: 00005601164abb30 R15: 00005601164abae0