INFO: task syz-executor.3:12780 blocked for more than 143 seconds. Not tainted 6.3.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:24344 pid:12780 ppid:5127 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0x179d/0x4690 kernel/sched/core.c:6622 schedule+0xc3/0x180 kernel/sched/core.c:6698 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757 __mutex_lock_common+0xe33/0x2530 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799 ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline] ntfs_read_folio+0x193/0x210 fs/ntfs3/inode.c:702 filemap_read_folio+0x19d/0x7a0 mm/filemap.c:2424 filemap_create_folio mm/filemap.c:2552 [inline] filemap_get_pages+0xdf7/0x20c0 mm/filemap.c:2605 filemap_read+0x45a/0x1170 mm/filemap.c:2693 call_read_iter include/linux/fs.h:1845 [inline] generic_file_splice_read+0x240/0x640 fs/splice.c:402 do_splice_to fs/splice.c:885 [inline] splice_direct_to_actor+0x40c/0xbd0 fs/splice.c:956 do_splice_direct+0x283/0x3d0 fs/splice.c:1065 do_sendfile+0x620/0xff0 fs/read_write.c:1255 __do_sys_sendfile64 fs/read_write.c:1323 [inline] __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1309 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc83948c0f9 RSP: 002b:00007fc83a24f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fc8395abf80 RCX: 00007fc83948c0f9 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007fc8394e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdeaa75e5f R14: 00007fc83a24f300 R15: 0000000000022000 INFO: task syz-executor.3:12784 blocked for more than 145 seconds. Not tainted 6.3.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:23992 pid:12784 ppid:5127 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0x179d/0x4690 kernel/sched/core.c:6622 schedule+0xc3/0x180 kernel/sched/core.c:6698 io_schedule+0x8c/0x100 kernel/sched/core.c:8884 folio_wait_bit_common+0x86c/0x12b0 mm/filemap.c:1301 __filemap_get_folio+0x44e/0xe50 mm/filemap.c:1936 pagecache_get_page+0x2c/0x240 mm/folio-compat.c:99 find_or_create_page include/linux/pagemap.h:632 [inline] ni_readpage_cmpr+0x313/0xa70 fs/ntfs3/frecord.c:2131 ntfs_read_folio+0x19e/0x210 fs/ntfs3/inode.c:703 filemap_read_folio+0x19d/0x7a0 mm/filemap.c:2424 filemap_update_page mm/filemap.c:2508 [inline] filemap_get_pages+0x15a5/0x20c0 mm/filemap.c:2622 filemap_read+0x45a/0x1170 mm/filemap.c:2693 call_read_iter include/linux/fs.h:1845 [inline] generic_file_splice_read+0x240/0x640 fs/splice.c:402 do_splice_to fs/splice.c:885 [inline] splice_direct_to_actor+0x40c/0xbd0 fs/splice.c:956 do_splice_direct+0x283/0x3d0 fs/splice.c:1065 do_sendfile+0x620/0xff0 fs/read_write.c:1255 __do_sys_sendfile64 fs/read_write.c:1323 [inline] __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1309 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc83948c0f9 RSP: 002b:00007fc83a22e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fc8395ac050 RCX: 00007fc83948c0f9 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000007 RBP: 00007fc8394e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdeaa75e5f R14: 00007fc83a22e300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8cf25f30 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:510 1 lock held by rcu_tasks_trace/13: #0: ffffffff8cf26730 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:510 1 lock held by khungtaskd/28: #0: ffffffff8cf25d60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 12 locks held by kworker/u4:4/75: 2 locks held by getty/4754: #0: ffff88814a132098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:244 #1: ffffc900015802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ab/0x1db0 drivers/tty/n_tty.c:2177 1 lock held by syz-executor.0/5112: 3 locks held by syz-executor.2/5125: 2 locks held by kworker/u4:8/10223: 3 locks held by syz-executor.3/12780: #0: ffff88807818c460 (sb_writers#24){.+.+}-{0:0}, at: do_sendfile+0x5fb/0xff0 fs/read_write.c:1254 #1: ffff8880771dec80 (mapping.invalidate_lock#9){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:813 [inline] #1: ffff8880771dec80 (mapping.invalidate_lock#9){.+.+}-{3:3}, at: filemap_create_folio mm/filemap.c:2544 [inline] #1: ffff8880771dec80 (mapping.invalidate_lock#9){.+.+}-{3:3}, at: filemap_get_pages+0xb1c/0x20c0 mm/filemap.c:2605 #2: ffff8880771de840 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline] #2: ffff8880771de840 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0x193/0x210 fs/ntfs3/inode.c:702 3 locks held by syz-executor.3/12784: #0: ffff88807818c460 (sb_writers#24){.+.+}-{0:0}, at: do_sendfile+0x5fb/0xff0 fs/read_write.c:1254 #1: ffff8880771dec80 (mapping.invalidate_lock#9){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:813 [inline] #1: ffff8880771dec80 (mapping.invalidate_lock#9){.+.+}-{3:3}, at: filemap_update_page mm/filemap.c:2474 [inline] #1: ffff8880771dec80 (mapping.invalidate_lock#9){.+.+}-{3:3}, at: filemap_get_pages+0x8b1/0x20c0 mm/filemap.c:2622 #2: ffff8880771de840 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline] #2: ffff8880771de840 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0x193/0x210 fs/ntfs3/inode.c:702 3 locks held by syz-executor.1/14883: 2 locks held by syz-executor.5/14885: ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.3.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x187/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline] watchdog+0xf9d/0xfe0 kernel/hung_task.c:379 kthread+0x270/0x300 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 CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 6.3.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Workqueue: phy7 ieee80211_iface_work RIP: 0010:ieee80211_rx_bss_info net/mac80211/ibss.c:1118 [inline] RIP: 0010:ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1609 [inline] RIP: 0010:ieee80211_ibss_rx_queued_mgmt+0x12a6/0x2df0 net/mac80211/ibss.c:1638 Code: 86 f4 0f 00 00 49 89 df 49 c1 ef 03 49 be 00 00 00 00 00 fc ff df 43 0f b6 04 37 84 c0 0f 85 8f 15 00 00 48 89 5c 24 58 8b 03 <89> 44 24 78 48 8b 44 24 20 48 8d 58 47 48 89 d8 48 c1 e8 03 42 0f RSP: 0018:ffffc900000e7900 EFLAGS: 00000246 RAX: 0000000000000fff RBX: ffff88807b308ff4 RCX: ffff888016648000 RDX: 0000000000000000 RSI: ffff88805c7f320e RDI: 000000000000000c RBP: ffffc900000e7bd0 R08: ffffffff8a36c097 R09: fffffbfff1ca8066 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11003b75f71 R13: ffff88805cce3638 R14: dffffc0000000000 R15: 1ffff1100f6611fe FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe7367fe000 CR3: 000000001d685000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_iface_process_skb net/mac80211/iface.c:1583 [inline] ieee80211_iface_work+0x7bd/0xd00 net/mac80211/iface.c:1637 process_one_work+0x90c/0x1280 kernel/workqueue.c:2390 worker_thread+0xa63/0x1210 kernel/workqueue.c:2537 kthread+0x270/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308