INFO: task syz-executor.2:6464 blocked for more than 143 seconds. Not tainted 6.9.0-syzkaller-12277-g56fb6f92854f #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:22320 pid:6464 tgid:6463 ppid:5591 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6837 jbd2_log_wait_commit+0x29f/0x4a0 fs/jbd2/journal.c:697 ext4_fc_commit+0x1d5/0x2060 fs/ext4/fast_commit.c:1199 ext4_fsync_journal fs/ext4/fsync.c:115 [inline] ext4_sync_file+0x6f2/0xb90 fs/ext4/fsync.c:167 generic_write_sync include/linux/fs.h:2794 [inline] iomap_dio_complete+0x5a8/0x960 fs/iomap/direct-io.c:126 ext4_dio_write_iter fs/ext4/file.c:577 [inline] ext4_file_write_iter+0x15e5/0x1a10 fs/ext4/file.c:696 do_iter_readv_writev+0x5a6/0x800 vfs_writev+0x395/0xbe0 fs/read_write.c:971 do_pwritev fs/read_write.c:1072 [inline] __do_sys_pwritev2 fs/read_write.c:1131 [inline] __se_sys_pwritev2+0x1ca/0x2d0 fs/read_write.c:1122 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: 0033:0x7f3b6bc7cee9 RSP: 002b:00007f3b6c9b60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 RAX: ffffffffffffffda RBX: 00007f3b6bdabf80 RCX: 00007f3b6bc7cee9 RDX: 0000000000000001 RSI: 0000000020000240 RDI: 0000000000000004 RBP: 00007f3b6bcc949e R08: 0000000000000000 R09: 0000000000000003 R10: 0000000000001400 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f3b6bdabf80 R15: 00007ffe2e473758 INFO: task syz-executor.2:6465 blocked for more than 144 seconds. Not tainted 6.9.0-syzkaller-12277-g56fb6f92854f #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:28960 pid:6465 tgid:6463 ppid:5591 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6837 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894 rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178 __down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306 inode_lock include/linux/fs.h:791 [inline] ext4_fallocate+0x149/0x1ff0 fs/ext4/extents.c:4735 vfs_fallocate+0x566/0x6c0 fs/open.c:330 ksys_fallocate fs/open.c:353 [inline] __do_sys_fallocate fs/open.c:361 [inline] __se_sys_fallocate fs/open.c:359 [inline] __x64_sys_fallocate+0xbd/0x110 fs/open.c:359 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: 0033:0x7f3b6bc7cee9 RSP: 002b:00007f3b6c9950c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007f3b6bdac050 RCX: 00007f3b6bc7cee9 RDX: 0000000000000000 RSI: 0000000000000020 RDI: 0000000000000004 RBP: 00007f3b6bcc949e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f3b6bdac050 R15: 00007ffe2e473758 INFO: task syz-executor.2:6469 blocked for more than 146 seconds. Not tainted 6.9.0-syzkaller-12277-g56fb6f92854f #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:28960 pid:6469 tgid:6463 ppid:5591 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6837 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894 rwsem_down_read_slowpath kernel/locking/rwsem.c:1086 [inline] __down_read_common kernel/locking/rwsem.c:1250 [inline] __down_read kernel/locking/rwsem.c:1263 [inline] down_read+0x705/0xa40 kernel/locking/rwsem.c:1528 inode_lock_shared include/linux/fs.h:801 [inline] ext4_llseek+0x14f/0x230 fs/ext4/file.c:911 vfs_llseek fs/read_write.c:289 [inline] ksys_lseek fs/read_write.c:302 [inline] __do_sys_lseek fs/read_write.c:313 [inline] __se_sys_lseek fs/read_write.c:311 [inline] __x64_sys_lseek+0x155/0x1e0 fs/read_write.c:311 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: 0033:0x7f3b6bc7cee9 RSP: 002b:00007f3b6c9740c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000008 RAX: ffffffffffffffda RBX: 00007f3b6bdac120 RCX: 00007f3b6bc7cee9 RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f3b6bcc949e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f3b6bdac120 R15: 00007ffe2e473758 Showing all locks held in the system: 1 lock held by khungtaskd/30: #0: ffffffff8e333e60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] #0: ffffffff8e333e60 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline] #0: ffffffff8e333e60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614 5 locks held by kworker/u8:4/61: 3 locks held by kworker/0:2/779: #0: ffff888015079948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] #0: ffff888015079948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc900034bfd00 ( (reg_check_chans).work ){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3207 [inline] , at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffffffff8f5e6748 (rtnl_mutex ){+.+.}-{3:3} , at: reg_check_chans_work+0x91/0xea0 net/wireless/reg.c:2478 6 locks held by kworker/1:2/924: 3 locks held by kworker/u8:7/1090: 3 locks held by kworker/u8:10/2832: #0: ffff888029fb0948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc90009917d00 ( (work_completion)(&(&net->ipv6.addr_chk_work)->work) ){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] ){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffffffff8f5e6748 ( rtnl_mutex ){+.+.}-{3:3} , at: addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4733 2 locks held by getty/4846: #0: ffff88802aa2f0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc900031332f0 ( &ldata->atomic_read_lock ){+.+.}-{3:3} , at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2201 3 locks held by syz-fuzzer/5097: #0: ffff88801dc14420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409 #1: ffff88805ba12200 ( &type->i_mutex_dir_key #3 /1 ){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:826 [inline] ){+.+.}-{3:3}, at: do_unlinkat+0x26a/0x830 fs/namei.c:4394 #2: ffff88807938f200 ( &sb->s_type->i_mutex_key #8 ){++++}-{3:3} , at: inode_lock include/linux/fs.h:791 [inline] , at: vfs_unlink+0xe4/0x650 fs/namei.c:4332 1 lock held by syz-executor.3/5113: #0: ffffffff8f5e6748 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline] ffffffff8f5e6748 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x1b0 drivers/net/tun.c:3500 3 locks held by kworker/0:4/5178: #0: ffff888015078948 ( (wq_completion)events ){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3206 [inline] , at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc90003db7d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffffffff8f5e6748 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276 3 locks held by kworker/1:8/5179: 4 locks held by udevd/5582: #0: ffff88802b4d5e80 ( &p->lock ){+.+.}-{3:3} , at: seq_read_iter+0xb7/0xd60 fs/seq_file.c:182 #1: ffff88807ccf5c88 (&of->mutex#2){+.+.}-{3:3}, at: kernfs_seq_start+0x53/0x3b0 fs/kernfs/file.c:154 #2: ffff88807c403a58 (kn->active#18){.+.+}-{0:0}, at: kernfs_seq_start+0x72/0x3b0 fs/kernfs/file.c:155 #3: ffff8880151af190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:1014 [inline] (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142 2 locks held by syz-executor.2/6464: #0: ffff88801dc14420 (sb_writers #4){.+.+}-{0:0} , at: file_start_write include/linux/fs.h:2854 [inline] , at: vfs_writev+0x2d9/0xbe0 fs/read_write.c:969 #1: ffff88807938f200 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline] #1: ffff88807938f200 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_dio_write_iter fs/ext4/file.c:530 [inline] #1: ffff88807938f200 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_file_write_iter+0x388/0x1a10 fs/ext4/file.c:696 2 locks held by syz-executor.2/6465: #0: ffff88801dc14420 ( sb_writers #4 ){.+.+}-{0:0} , at: file_start_write include/linux/fs.h:2854 [inline] , at: vfs_fallocate+0x4d3/0x6c0 fs/open.c:329 #1: ffff88807938f200 (&sb->s_type->i_mutex_key #8){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline] #8){++++}-{3:3}, at: ext4_fallocate+0x149/0x1ff0 fs/ext4/extents.c:4735 2 locks held by syz-executor.2/6469: #0: ffff88807b6ef9c8 ( &f->f_pos_lock ){+.+.}-{3:3} , at: __fdget_pos+0x24e/0x310 fs/file.c:1191 #1: ffff88807938f200 (&sb->s_type->i_mutex_key#8){++++}-{3:3} , at: inode_lock_shared include/linux/fs.h:801 [inline] , at: ext4_llseek+0x14f/0x230 fs/ext4/file.c:911 7 locks held by syz-executor.4/6517: 2 locks held by syz-executor.5/6533: #0: ffff888028df99c8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x24e/0x310 fs/file.c:1191 #1: ffff88801dc14420 (sb_writers#4){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2854 [inline] ffff88801dc14420 (sb_writers#4){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 fs/read_write.c:586 1 lock held by syz-executor.4/6612: #0: ffffffff8f5e6748 (rtnl_mutex ){+.+.}-{3:3} , at: rtnl_lock net/core/rtnetlink.c:79 [inline] , at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592 2 locks held by syz-executor.5/6659: #0: ffffffff8f5d9f10 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 net/core/net_namespace.c:504 #1: ffffffff8f5e6748 ( rtnl_mutex ){+.+.}-{3:3} , at: wg_netns_pre_exit+0x1f/0x1e0 drivers/net/wireguard/device.c:414 2 locks held by syz-executor.1/6664: #0: ffff88802cbeefc8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x24e/0x310 fs/file.c:1191 #1: ffff88801dc14420 (sb_writers#4){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2854 [inline] (sb_writers#4){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 fs/read_write.c:586 2 locks held by syz-executor.0/6691: #0: ffffffff8f5e6748 ( rtnl_mutex ){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline] ){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x1b0 drivers/net/tun.c:3500 #1: ffffffff8e1ce470 (cpu_hotplug_lock){++++}-{0:0}, at: flush_all_backlogs net/core/dev.c:5983 [inline] #1: ffffffff8e1ce470 (cpu_hotplug_lock){++++}-{0:0}, at: unregister_netdevice_many_notify+0x607/0x16b0 net/core/dev.c:11200 1 lock held by syz-executor.0/6696: #0: ffffffff8f5e6748 ( rtnl_mutex){+.+.}-{3:3}, at: dev_ioctl+0x706/0x1340 net/core/dev_ioctl.c:786 1 lock held by syz-executor.0/6698: #0: ffffffff8f5e6748 ( rtnl_mutex ){+.+.}-{3:3} , at: ipv6_route_ioctl+0x4cb/0x870 net/ipv6/route.c:4475 1 lock held by syz-executor.4/6709: #0: ffffffff8f5e6748 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5e6748 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592 1 lock held by syz-executor.5/6712: #0: ffffffff8f5e6748 ( rtnl_mutex ){+.+.}-{3:3} , at: rtnl_lock net/core/rtnetlink.c:79 [inline] , at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.9.0-syzkaller-12277-g56fb6f92854f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 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+0xfde/0x1020 kernel/hung_task.c:379 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: yealink 6-1:36.0: urb_irq_callback - urb status -71 yealink 6-1:36.0: unexpected response 0 yealink 6-1:36.0: urb_ctl_callback - urb status -71 yealink 6-1:36.0: urb_irq_callback - urb status -71 NMI backtrace for cpu 1 CPU: 1 PID: 6517 Comm: syz-executor.4 Not tainted 6.9.0-syzkaller-12277-g56fb6f92854f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:desc_read_finalized_seq kernel/printk/printk_ringbuffer.c:1894 [inline] RIP: 0010:prb_read kernel/printk/printk_ringbuffer.c:1942 [inline] RIP: 0010:_prb_read_valid+0x846/0xac0 kernel/printk/printk_ringbuffer.c:2113 Code: ff e9 9f fa ff ff 48 8b 84 24 80 00 00 00 42 80 3c 20 00 48 8d bc 24 18 01 00 00 74 05 e8 42 b1 84 00 48 8b 9c 24 18 01 00 00 01 00 00 00 48 89 de e8 5d f5 1e 00 48 83 fb 01 0f 85 4d 02 00 RSP: 0018:ffffc90000a165c0 EFLAGS: 00000046 RAX: 1ffff92000142cdb RBX: 0000000000150340 RCX: ffff888025730000 RDX: ffff888025730000 RSI: 0000000000000002 RDI: ffffc90000a166d8 RBP: ffffc90000a16770 R08: ffffffff81772412 R09: ffffffff81772393 R10: 0000000000000003 R11: ffff888025730000 R12: dffffc0000000000 R13: ffffc90000a167c0 R14: 0000000000006658 R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055559341e978 CR3: 000000000e132000 CR4: 0000000000350ef0 Call Trace: prb_read_valid+0xa9/0xf0 kernel/printk/printk_ringbuffer.c:2182 printk_get_next_message+0x1ee/0xbe0 kernel/printk/printk.c:2840 console_emit_next_record kernel/printk/printk.c:2895 [inline] console_flush_all+0x410/0xfd0 kernel/printk/printk.c:2994 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3063 vprintk_emit+0x5a6/0x770 kernel/printk/printk.c:2345 dev_vprintk_emit+0x2ae/0x330 drivers/base/core.c:4951 dev_printk_emit+0xdd/0x120 drivers/base/core.c:4962 _dev_err+0x122/0x170 drivers/base/core.c:5017 urb_irq_callback+0x37e/0x5b0 drivers/input/misc/yealink.c:416 __usb_hcd_giveback_urb+0x375/0x530 drivers/usb/core/hcd.c:1648 dummy_timer+0x830/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1987 __run_hrtimer kernel/time/hrtimer.c:1687 [inline] __hrtimer_run_queues+0x59d/0xd50 kernel/time/hrtimer.c:1751 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x112/0x3f0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] RIP: 0010:_ieee802_11_parse_elems_full+0xa8a/0x4a00 net/mac80211/parse.c:260 Code: eb 28 e8 a9 20 91 f6 eb 21 e8 a2 20 91 f6 eb 1a e8 9b 20 91 f6 eb 13 e8 94 20 91 f6 eb 0c e8 8d 20 91 f6 eb 05 e8 86 20 91 f6 <4c> 89 f0 48 c1 e8 06 48 8d 8c 24 50 03 00 00 48 8d 3c c1 be 08 00 RSP: 0018:ffffc90000a178a0 EFLAGS: 00000246 RAX: ffffffff8b04f340 RBX: 0000000000000013 RCX: ffff888025730000 RDX: 0000000080000302 RSI: ffffffff8f8664d0 RDI: 0000000000000006 RBP: ffffc90000a17c90 R08: 0000000000000001 R09: ffffffff8b04f0aa R10: 0000000000000028 R11: ffff888025730000 R12: ffff88807ce96db2 R13: dffffc0000000000 R14: 0000000000000006 R15: 0000000000000002 ieee802_11_parse_elems_full+0xde7/0x2870 net/mac80211/parse.c:902 ieee802_11_parse_elems_crc net/mac80211/ieee80211_i.h:2330 [inline] ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2337 [inline] ieee80211_inform_bss+0x15f/0x1080 net/mac80211/scan.c:79 rdev_inform_bss net/wireless/rdev-ops.h:418 [inline] cfg80211_inform_single_bss_data+0x104b/0x2330 net/wireless/scan.c:2277 cfg80211_inform_bss_data+0x3dd/0x5a70 net/wireless/scan.c:3101 cfg80211_inform_bss_frame_data+0x3bc/0x720 net/wireless/scan.c:3191 ieee80211_bss_info_update+0x8a7/0xbc0 net/mac80211/scan.c:226 ieee80211_scan_rx+0x526/0x9c0 net/mac80211/scan.c:340 __ieee80211_rx_handle_packet net/mac80211/rx.c:5222 [inline] ieee80211_rx_list+0x2b00/0x3780 net/mac80211/rx.c:5459 ieee80211_rx_napi+0x18a/0x3c0 net/mac80211/rx.c:5482 ieee80211_rx include/net/mac80211.h:5093 [inline] ieee80211_tasklet_handler+0xeb/0x1f0 net/mac80211/main.c:438 tasklet_action_common+0x323/0x4d0 kernel/softirq.c:785 handle_softirqs+0x2c6/0x970 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5758 Code: 2b 00 74 08 4c 89 f7 e8 ca 7e 89 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25 RSP: 0018:ffffc90009087140 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff92001210e34 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: ffffffff8bcaca00 RDI: ffffffff8c1fe480 RBP: ffffc90009087288 R08: ffffffff92fa8587 R09: 1ffffffff25f50b0 R10: dffffc0000000000 R11: fffffbfff25f50b1 R12: 1ffff92001210e30 R13: dffffc0000000000 R14: ffffc900090871a0 R15: 0000000000000246 rcu_lock_acquire include/linux/rcupdate.h:329 [inline] rcu_read_lock include/linux/rcupdate.h:781 [inline] __lruvec_stat_mod_folio+0x9a/0x300 mm/memcontrol.c:1061 __folio_remove_rmap mm/rmap.c:1556 [inline] folio_remove_rmap_ptes+0x2bf/0x4f0 mm/rmap.c:1595 zap_present_folio_ptes mm/memory.c:1505 [inline] zap_present_ptes mm/memory.c:1570 [inline] zap_pte_range mm/memory.c:1612 [inline] zap_pmd_range mm/memory.c:1730 [inline] zap_pud_range mm/memory.c:1759 [inline] zap_p4d_range mm/memory.c:1780 [inline] unmap_page_range+0x191f/0x4d00 mm/memory.c:1801 unmap_vmas+0x3cc/0x5f0 mm/memory.c:1891 exit_mmap+0x264/0xc80 mm/mmap.c:3341 __mmput+0x115/0x3c0 kernel/fork.c:1346 exit_mm+0x220/0x310 kernel/exit.c:565 do_exit+0x9aa/0x27e0 kernel/exit.c:861 do_group_exit+0x207/0x2c0 kernel/exit.c:1023 get_signal+0x16a1/0x1740 kernel/signal.c:2909 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop kernel/entry/common.c:111 [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+0xc9/0x370 kernel/entry/common.c:218 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 yealink 6-1:36.0: unexpected response 0