INFO: task syz-executor280:5013 blocked for more than 143 seconds. Not tainted 6.3.0-syzkaller-12049-g58390c8ce1bd #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor280 state:D stack:28240 pid:5013 ppid:5010 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5343 [inline] __schedule+0xc9a/0x5880 kernel/sched/core.c:6669 schedule+0xde/0x1a0 kernel/sched/core.c:6745 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804 rwsem_down_write_slowpath+0x3e2/0x1220 kernel/locking/rwsem.c:1178 __down_write_common kernel/locking/rwsem.c:1306 [inline] __down_write kernel/locking/rwsem.c:1315 [inline] down_write+0x1d2/0x200 kernel/locking/rwsem.c:1574 filemap_invalidate_lock include/linux/fs.h:820 [inline] blkdev_fallocate+0x1e8/0x420 block/fops.c:649 vfs_fallocate+0x48b/0xe40 fs/open.c:324 ksys_fallocate fs/open.c:347 [inline] __do_sys_fallocate fs/open.c:355 [inline] __se_sys_fallocate fs/open.c:353 [inline] __x64_sys_fallocate+0xd3/0x140 fs/open.c:353 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: 0033:0x7f6215977e09 RSP: 002b:00007fff7c2f1a18 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f6215977e09 RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000010000000002 R11: 0000000000000246 R12: 00007f621593b5e0 R13: 0000000000000000 R14: 00007fff7c2f1a40 R15: 00007fff7c2f1a30 INFO: task syz-executor280:5014 blocked for more than 143 seconds. Not tainted 6.3.0-syzkaller-12049-g58390c8ce1bd #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor280 state:D stack:28240 pid:5014 ppid:5012 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5343 [inline] __schedule+0xc9a/0x5880 kernel/sched/core.c:6669 schedule+0xde/0x1a0 kernel/sched/core.c:6745 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804 rwsem_down_write_slowpath+0x3e2/0x1220 kernel/locking/rwsem.c:1178 __down_write_common kernel/locking/rwsem.c:1306 [inline] __down_write kernel/locking/rwsem.c:1315 [inline] down_write+0x1d2/0x200 kernel/locking/rwsem.c:1574 filemap_invalidate_lock include/linux/fs.h:820 [inline] blkdev_fallocate+0x1e8/0x420 block/fops.c:649 vfs_fallocate+0x48b/0xe40 fs/open.c:324 ksys_fallocate fs/open.c:347 [inline] __do_sys_fallocate fs/open.c:355 [inline] __se_sys_fallocate fs/open.c:353 [inline] __x64_sys_fallocate+0xd3/0x140 fs/open.c:353 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: 0033:0x7f6215977e09 RSP: 002b:00007fff7c2f1a18 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f6215977e09 RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000010000000002 R11: 0000000000000246 R12: 00007f621593b5e0 R13: 0000000000000000 R14: 00007fff7c2f1a40 R15: 00007fff7c2f1a30 INFO: task syz-executor280:5031 blocked for more than 143 seconds. Not tainted 6.3.0-syzkaller-12049-g58390c8ce1bd #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor280 state:D stack:26880 pid:5031 ppid:5003 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5343 [inline] __schedule+0xc9a/0x5880 kernel/sched/core.c:6669 schedule+0xde/0x1a0 kernel/sched/core.c:6745 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804 rwsem_down_write_slowpath+0x3e2/0x1220 kernel/locking/rwsem.c:1178 __down_write_common kernel/locking/rwsem.c:1306 [inline] __down_write kernel/locking/rwsem.c:1315 [inline] down_write+0x1d2/0x200 kernel/locking/rwsem.c:1574 filemap_invalidate_lock include/linux/fs.h:820 [inline] blkdev_fallocate+0x1e8/0x420 block/fops.c:649 vfs_fallocate+0x48b/0xe40 fs/open.c:324 ksys_fallocate fs/open.c:347 [inline] __do_sys_fallocate fs/open.c:355 [inline] __se_sys_fallocate fs/open.c:353 [inline] __x64_sys_fallocate+0xd3/0x140 fs/open.c:353 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: 0033:0x7f6215977e09 RSP: 002b:00007fff7c2f1a18 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f6215977e09 RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000010000000002 R11: 0000000000000246 R12: 000000000000d8cf R13: 00007fff7c2f1a2c R14: 00007fff7c2f1a40 R15: 00007fff7c2f1a30 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/13: #0: ffffffff8c799630 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:518 1 lock held by rcu_tasks_trace/14: #0: ffffffff8c799330 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:518 1 lock held by khungtaskd/28: #0: ffffffff8c79a240 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6545 2 locks held by getty/4755: #0: ffff888028bc4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc900015802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2176 1 lock held by syz-executor280/5009: #0: ffff888148c988b0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:820 [inline] #0: ffff888148c988b0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e8/0x420 block/fops.c:649 1 lock held by syz-executor280/5013: #0: ffff888148c988b0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:820 [inline] #0: ffff888148c988b0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e8/0x420 block/fops.c:649 1 lock held by syz-executor280/5014: #0: ffff888148c988b0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:820 [inline] #0: ffff888148c988b0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e8/0x420 block/fops.c:649 1 lock held by syz-executor280/5031: #0: ffff888148c988b0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:820 [inline] #0: ffff888148c988b0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e8/0x420 block/fops.c:649 1 lock held by syz-executor280/5032: #0: ffff888148c988b0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:820 [inline] #0: ffff888148c988b0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e8/0x420 block/fops.c:649 1 lock held by syz-executor280/5039: #0: ffff888148c988b0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:820 [inline] #0: ffff888148c988b0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e8/0x420 block/fops.c:649 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.3.0-syzkaller-12049-g58390c8ce1bd #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106 nmi_cpu_backtrace+0x29c/0x350 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x2a4/0x300 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+0xe16/0x1090 kernel/hung_task.c:379 kthread+0x344/0x440 kernel/kthread.c:379 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: 0 Comm: swapper/0 Not tainted 6.3.0-syzkaller-12049-g58390c8ce1bd #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:tsc_verify_tsc_adjust+0x79/0x2e0 arch/x86/kernel/tsc_sync.c:51 Code: e0 21 72 09 5b 5d 41 5c 41 5d 41 5e c3 4a 8d 3c e5 00 1a 13 8c 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 e4 01 00 00 4e 8b 24 e5 00 1a 13 8c e8 34 d5 f8 ff 85 c0 75 RSP: 0018:ffffffff8c407de0 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff81604059 RDX: 1ffffffff1826340 RSI: 0000000000000001 RDI: ffffffff8c131a00 RBP: 0000000000028200 R08: 0000000000000000 R09: ffffffff8e7a8ad7 R10: fffffbfff1cf515a R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff8e7a8ad0 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f62159e8130 CR3: 000000000c572000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: arch_cpu_idle_enter+0xb/0x10 arch/x86/kernel/process.c:733 do_idle+0xfc/0x3c0 kernel/sched/idle.c:269 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:379 rest_init+0x16f/0x2b0 init/main.c:735 arch_call_rest_init+0x13/0x30 init/main.c:834 start_kernel+0x3b6/0x490 init/main.c:1088 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:556 x86_64_start_kernel+0xb3/0xc0 arch/x86/kernel/head64.c:537 secondary_startup_64_no_verify+0xf4/0xfb