INFO: task kworker/u8:0:11 blocked for more than 143 seconds. Not tainted 6.11.0-rc1-syzkaller-00004-gdc1c8034e31b #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:0 state:D stack:20184 pid:11 tgid:11 ppid:2 flags:0x00004000 Workqueue: writeback wb_workfn (flush-btrfs-37) Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6621 wait_extent_bit fs/btrfs/extent-io-tree.c:823 [inline] lock_extent+0x69e/0x860 fs/btrfs/extent-io-tree.c:1872 btrfs_invalidate_folio+0x272/0xac0 fs/btrfs/inode.c:7285 __extent_writepage fs/btrfs/extent_io.c:1560 [inline] extent_write_cache_pages fs/btrfs/extent_io.c:2251 [inline] btrfs_writepages+0x10b6/0x2760 fs/btrfs/extent_io.c:2373 do_writepages+0x35d/0x870 mm/page-writeback.c:2683 __writeback_single_inode+0x165/0x10b0 fs/fs-writeback.c:1651 writeback_sb_inodes+0x99c/0x1380 fs/fs-writeback.c:1947 wb_writeback+0x481/0xd40 fs/fs-writeback.c:2127 wb_do_writeback fs/fs-writeback.c:2274 [inline] wb_workfn+0x410/0x1090 fs/fs-writeback.c:2314 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312 worker_thread+0x86d/0xd40 kernel/workqueue.c:3390 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task syz.3.406:8488 blocked for more than 144 seconds. Not tainted 6.11.0-rc1-syzkaller-00004-gdc1c8034e31b #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.406 state:D stack:24672 pid:8488 tgid:8488 ppid:7745 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6621 io_schedule+0x8d/0x110 kernel/sched/core.c:7401 folio_wait_bit_common+0x882/0x12b0 mm/filemap.c:1307 extent_write_cache_pages fs/btrfs/extent_io.c:2225 [inline] btrfs_writepages+0xafe/0x2760 fs/btrfs/extent_io.c:2373 do_writepages+0x35d/0x870 mm/page-writeback.c:2683 filemap_fdatawrite_wbc+0x125/0x180 mm/filemap.c:397 __filemap_fdatawrite_range mm/filemap.c:430 [inline] __filemap_fdatawrite mm/filemap.c:436 [inline] filemap_flush+0xdf/0x130 mm/filemap.c:463 btrfs_release_file+0x117/0x130 fs/btrfs/file.c:1547 __fput+0x24a/0x8a0 fs/file_table.c:422 task_work_run+0x24f/0x310 kernel/task_work.c:222 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0b1c777299 RSP: 002b:00007fffe5c0a918 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007f0b1c907a80 RCX: 00007f0b1c777299 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f0b1c907a80 R08: 0000000000000006 R09: 00007fffe5c0abff R10: 00000000005d5c88 R11: 0000000000000246 R12: 000000000004c55a R13: 00007fffe5c0aa10 R14: 00007fffe5c0aa30 R15: ffffffffffffffff INFO: task syz.3.406:8490 blocked for more than 144 seconds. Not tainted 6.11.0-rc1-syzkaller-00004-gdc1c8034e31b #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.406 state:D stack:23552 pid:8490 tgid:8488 ppid:7745 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6621 wait_current_trans+0x343/0x4b0 fs/btrfs/transaction.c:527 start_transaction+0xae2/0x1670 fs/btrfs/transaction.c:697 clone_copy_inline_extent fs/btrfs/reflink.c:294 [inline] btrfs_clone+0x170c/0x2970 fs/btrfs/reflink.c:528 btrfs_clone_files+0x27b/0x3a0 fs/btrfs/reflink.c:750 btrfs_remap_file_range+0x61e/0x1230 fs/btrfs/reflink.c:888 vfs_copy_file_range+0xc1f/0x1530 fs/read_write.c:1522 __do_sys_copy_file_range fs/read_write.c:1612 [inline] __se_sys_copy_file_range+0x3f2/0x5d0 fs/read_write.c:1575 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0b1c777299 RSP: 002b:00007f0b1d5eb048 EFLAGS: 00000246 ORIG_RAX: 0000000000000146 RAX: ffffffffffffffda RBX: 00007f0b1c905f80 RCX: 00007f0b1c777299 RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000009 RBP: 00007f0b1c7e48e6 R08: 0000000000000006 R09: 0000000000000000 R10: 00000000200000c0 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f0b1c905f80 R15: 00007fffe5c0a7b8 INFO: task syz.3.406:8529 blocked for more than 145 seconds. Not tainted 6.11.0-rc1-syzkaller-00004-gdc1c8034e31b #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.406 state:D stack:26864 pid:8529 tgid:8488 ppid:7745 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6621 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678 rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178 __down_write_common kernel/locking/rwsem.c:1306 [inline] __down_write kernel/locking/rwsem.c:1315 [inline] down_write+0x1d7/0x220 kernel/locking/rwsem.c:1580 inode_lock include/linux/fs.h:799 [inline] process_measurement+0x43c/0x1fb0 security/integrity/ima/ima_main.c:250 ima_file_check+0xf2/0x170 security/integrity/ima/ima_main.c:572 security_file_post_open+0x6d/0xa0 security/security.c:3008 do_open fs/namei.c:3729 [inline] path_openat+0x2b91/0x3470 fs/namei.c:3886 do_filp_open+0x235/0x490 fs/namei.c:3913 do_sys_openat2+0x13e/0x1d0 fs/open.c:1416 do_sys_open fs/open.c:1431 [inline] __do_sys_open fs/open.c:1439 [inline] __se_sys_open fs/open.c:1435 [inline] __x64_sys_open+0x225/0x270 fs/open.c:1435 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0b1c777299 RSP: 002b:00007f0b1d5ca048 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f0b1c906058 RCX: 00007f0b1c777299 RDX: 0000000000000000 RSI: 0000000000064842 RDI: 00000000200005c0 RBP: 00007f0b1c7e48e6 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f0b1c906058 R15: 00007fffe5c0a7b8 INFO: task btrfs-transacti:8518 blocked for more than 145 seconds. Not tainted 6.11.0-rc1-syzkaller-00004-gdc1c8034e31b #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:btrfs-transacti state:D stack:23184 pid:8518 tgid:8518 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6621 wb_wait_for_completion+0x166/0x290 fs/fs-writeback.c:216 __writeback_inodes_sb_nr+0x2d2/0x380 fs/fs-writeback.c:2706 try_to_writeback_inodes_sb+0x98/0xc0 fs/fs-writeback.c:2754 btrfs_start_delalloc_flush fs/btrfs/transaction.c:2125 [inline] btrfs_commit_transaction+0x896/0x3740 fs/btrfs/transaction.c:2310 transaction_kthread+0x28a/0x500 fs/btrfs/disk-io.c:1603 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Showing all locks held in the system: 2 locks held by kworker/u8:0/11: #0: ffff88801b682148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] #0: ffff88801b682148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc90000107d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] #1: ffffc90000107d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 1 lock held by khungtaskd/30: #0: ffffffff8e737660 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:326 [inline] #0: ffffffff8e737660 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #0: ffffffff8e737660 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6620 3 locks held by kworker/1:2/939: #0: ffff888015480948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] #0: ffff888015480948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc90003a6fd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] #1: ffffc90003a6fd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffffffff8fa6d848 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276 4 locks held by kworker/u8:5/1019: 5 locks held by kworker/u8:9/2915: #0: ffff8880162e3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] #0: ffff8880162e3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc90009777d00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] #1: ffffc90009777d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffffffff8fa60cd0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:594 #3: ffffffff8fa6d848 (rtnl_mutex){+.+.}-{3:3}, at: default_device_exit_batch+0xe9/0xa90 net/core/dev.c:11874 #4: ffffffff8e73ca38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:328 [inline] #4: ffffffff8e73ca38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:958 1 lock held by dhcpcd/4886: #0: ffffffff8fa6d848 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x2ce/0x1bc0 net/ipv4/devinet.c:1101 2 locks held by getty/4977: #0: ffff88802b3b60a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc900031232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2211 6 locks held by kworker/0:8/7089: #0: ffff8880b923e9d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:560 #1: ffff8880b9228948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:989 #2: ffffffff8e7376c0 (rcu_read_lock_bh){....}-{1:2}, at: local_bh_disable include/linux/bottom_half.h:20 [inline] #2: ffffffff8e7376c0 (rcu_read_lock_bh){....}-{1:2}, at: rcu_read_lock_bh include/linux/rcupdate.h:890 [inline] #2: ffffffff8e7376c0 (rcu_read_lock_bh){....}-{1:2}, at: keep_key_fresh drivers/net/wireguard/send.c:129 [inline] #2: ffffffff8e7376c0 (rcu_read_lock_bh){....}-{1:2}, at: wg_packet_create_data_done drivers/net/wireguard/send.c:259 [inline] #2: ffffffff8e7376c0 (rcu_read_lock_bh){....}-{1:2}, at: wg_packet_tx_worker+0x25f/0x810 drivers/net/wireguard/send.c:276 #3: ffffffff8e737660 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:326 [inline] #3: ffffffff8e737660 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #3: ffffffff8e737660 (rcu_read_lock){....}-{1:2}, at: ip6_input_finish+0xdc/0x2d0 net/ipv6/ip6_input.c:482 #4: ffff8880b9228948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_change+0xfd/0x280 kernel/sched/psi.c:913 #5: ffff8880b933e9d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:560 4 locks held by syz.3.406/8490: #0: ffff88823bd9a420 (sb_writers#13){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2876 [inline] #0: ffff88823bd9a420 (sb_writers#13){.+.+}-{0:0}, at: vfs_copy_file_range+0x9e4/0x1530 fs/read_write.c:1510 #1: ffff88805deec180 (&sb->s_type->i_mutex_key#20){++++}-{3:3}, at: inode_lock include/linux/fs.h:799 [inline] #1: ffff88805deec180 (&sb->s_type->i_mutex_key#20){++++}-{3:3}, at: btrfs_inode_lock+0x4d/0xe0 fs/btrfs/inode.c:362 #2: ffff88805deec010 (&ei->i_mmap_lock){++++}-{3:3}, at: btrfs_inode_lock+0xc5/0xe0 fs/btrfs/inode.c:365 #3: ffff88823bd9a610 (sb_internal#4){.+.+}-{0:0}, at: clone_copy_inline_extent fs/btrfs/reflink.c:294 [inline] #3: ffff88823bd9a610 (sb_internal#4){.+.+}-{0:0}, at: btrfs_clone+0x170c/0x2970 fs/btrfs/reflink.c:528 1 lock held by syz.3.406/8529: #0: ffff88805deec180 (&sb->s_type->i_mutex_key#20){++++}-{3:3}, at: inode_lock include/linux/fs.h:799 [inline] #0: ffff88805deec180 (&sb->s_type->i_mutex_key#20){++++}-{3:3}, at: process_measurement+0x43c/0x1fb0 security/integrity/ima/ima_main.c:250 4 locks held by btrfs-transacti/8518: #0: ffff88802b7747c0 (&fs_info->transaction_kthread_mutex){+.+.}-{3:3}, at: transaction_kthread+0x100/0x500 fs/btrfs/disk-io.c:1573 #1: ffff88802b776458 (btrfs_trans_num_writers){++++}-{0:0}, at: join_transaction+0x405/0xcf0 fs/btrfs/transaction.c:290 #2: ffff88802b776480 (btrfs_trans_num_extwriters){++++}-{0:0}, at: join_transaction+0x405/0xcf0 fs/btrfs/transaction.c:290 #3: ffff88823bd9a0e0 (&type->s_umount_key#56){++++}-{3:3}, at: try_to_writeback_inodes_sb+0x21/0xc0 fs/fs-writeback.c:2751 2 locks held by syz.4.503/9380: #0: ffff88823bd9a0e0 (&type->s_umount_key#56){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline] #0: ffff88823bd9a0e0 (&type->s_umount_key#56){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120 #1: ffff88806af807d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline] #1: ffff88806af807d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb20 fs/fs-writeback.c:2790 1 lock held by syz-executor/9955: 1 lock held by syz-executor/10203: #0: ffff88806606c0e0 (&type->s_umount_key#58){++++}-{3:3}, at: __super_lock fs/super.c:56 [inline] #0: ffff88806606c0e0 (&type->s_umount_key#58){++++}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline] #0: ffff88806606c0e0 (&type->s_umount_key#58){++++}-{3:3}, at: deactivate_super+0xb5/0xf0 fs/super.c:505 1 lock held by syz-executor/10619: #0: ffffffff8fa6d848 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8fa6d848 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e6/0xcf0 net/core/rtnetlink.c:6644 ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-rc1-syzkaller-00004-gdc1c8034e31b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Call Trace: __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline] watchdog+0xfee/0x1030 kernel/hung_task.c:379 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 9955 Comm: syz-executor Not tainted 6.11.0-rc1-syzkaller-00004-gdc1c8034e31b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:130 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline] RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline] RIP: 0010:kasan_check_range+0x4c/0x290 mm/kasan/generic.c:189 Code: 00 00 48 89 fd 48 c1 ed 2f 81 fd fe ff 01 00 0f 86 43 02 00 00 48 89 fb 48 c1 eb 03 49 ba 00 00 00 00 00 fc ff df 4e 8d 1c 13 <49> ff c8 4d 89 c1 49 c1 e9 03 49 be 01 00 00 00 00 fc ff df 4f 8d RSP: 0018:ffffc9000cad7240 EFLAGS: 00000806 RAX: 0000000000000001 RBX: 1ffffffff269d700 RCX: ffffffff816fbcfb RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff934eb800 RBP: 000000000001ffff R08: ffffffff934eb808 R09: 1ffffffff269d700 R10: dffffc0000000000 R11: fffffbfff269d700 R12: ffff8880177b9e00 R13: ffff8880177ba8d8 R14: 0000000000000000 R15: ffff8880177ba900 FS: 0000555570a4b500(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555570a6e608 CR3: 000000004eb28000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: instrument_atomic_read include/linux/instrumented.h:68 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] __lock_acquire+0xc8b/0x2040 kernel/locking/lockdep.c:5112 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5759 rcu_lock_acquire include/linux/rcupdate.h:326 [inline] rcu_read_lock include/linux/rcupdate.h:838 [inline] page_ext_get+0x3d/0x2a0 mm/page_ext.c:535 __reset_page_owner+0x2f/0x3f0 mm/page_owner.c:290 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1094 [inline] free_unref_folios+0x100f/0x1ac0 mm/page_alloc.c:2660 folios_put_refs+0x76e/0x860 mm/swap.c:1039 folio_batch_release include/linux/pagevec.h:101 [inline] shmem_undo_range+0x6de/0x1df0 mm/shmem.c:1023 shmem_truncate_range mm/shmem.c:1132 [inline] shmem_evict_inode+0x29b/0xa80 mm/shmem.c:1260 evict+0x2a8/0x630 fs/inode.c:669 __dentry_kill+0x20d/0x630 fs/dcache.c:610 dput+0x19f/0x2b0 fs/dcache.c:852 __fput+0x5f8/0x8a0 fs/file_table.c:430 task_work_run+0x24f/0x310 kernel/task_work.c:222 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f76f8d75fca Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 73 8a 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 d3 8a 02 00 8b 44 24 RSP: 002b:00007fff9d7c4a80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f76f8d75fca RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007fff9d7c4acc R08: 0000000000000000 R09: 00007fff9d7c47e7 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032 R13: 0000000000071105 R14: 000000000007094d R15: 00007fff9d7c4b20