INFO: task kworker/u4:5:26798 blocked for more than 149 seconds. Not tainted 6.2.0-syzkaller-10827-g489fa31ea873 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:5 state:D stack:25080 pid:26798 ppid:2 flags:0x00004000 Workqueue: writeback wb_workfn (flush-7:3) Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0x17d8/0x4990 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 folio_lock include/linux/pagemap.h:952 [inline] write_cache_pages+0x58f/0x1450 mm/page-writeback.c:2440 mpage_writepages+0x107/0x1d0 fs/mpage.c:653 do_writepages+0x3a6/0x670 mm/page-writeback.c:2551 __writeback_single_inode+0x1c4/0x15e0 fs/fs-writeback.c:1600 writeback_sb_inodes+0x92c/0x1360 fs/fs-writeback.c:1891 __writeback_inodes_wb+0x11b/0x260 fs/fs-writeback.c:1962 wb_writeback+0x51c/0x1080 fs/fs-writeback.c:2067 wb_check_background_flush fs/fs-writeback.c:2133 [inline] wb_do_writeback fs/fs-writeback.c:2221 [inline] wb_workfn+0xd80/0x1100 fs/fs-writeback.c:2248 process_one_work+0x915/0x13a0 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 INFO: task syz-executor.3:31409 blocked for more than 149 seconds. Not tainted 6.2.0-syzkaller-10827-g489fa31ea873 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:25976 pid:31409 ppid:5088 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0x17d8/0x4990 kernel/sched/core.c:6622 schedule+0xc3/0x180 kernel/sched/core.c:6698 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757 rwsem_down_read_slowpath+0x5f4/0x950 kernel/locking/rwsem.c:1086 __down_read_common+0x61/0x2c0 kernel/locking/rwsem.c:1250 mmap_read_lock include/linux/mmap_lock.h:117 [inline] do_user_addr_fault arch/x86/mm/fault.c:1358 [inline] handle_page_fault arch/x86/mm/fault.c:1498 [inline] exc_page_fault+0x558/0x8a0 arch/x86/mm/fault.c:1554 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0033:0x7eff4d2276f6 RSP: 002b:00007ffc6704a248 EFLAGS: 00010287 RAX: 0000001b3152a000 RBX: 00007eff4d3ac018 RCX: 0000001b31520000 RDX: 0000001b3152a004 RSI: 0000001b31529324 RDI: 0000000079e39d19 RBP: 0000000079e39d19 R08: 0000001b31b20000 R09: 0000000079e39d1d R10: 00007ffc670c1080 R11: 0000000000073a6c R12: 00007eff4d3a0000 R13: 0000000000000001 R14: 000000000000d218 R15: ffffffff81bed1d9 INFO: task syz-executor.3:31412 blocked for more than 151 seconds. Not tainted 6.2.0-syzkaller-10827-g489fa31ea873 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:24352 pid:31412 ppid:5088 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0x17d8/0x4990 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 folio_lock include/linux/pagemap.h:952 [inline] write_cache_pages+0x58f/0x1450 mm/page-writeback.c:2440 mpage_writepages+0x107/0x1d0 fs/mpage.c:653 do_writepages+0x3a6/0x670 mm/page-writeback.c:2551 filemap_fdatawrite_wbc+0x125/0x180 mm/filemap.c:390 __filemap_fdatawrite_range mm/filemap.c:423 [inline] file_write_and_wait_range+0x20f/0x300 mm/filemap.c:781 __generic_file_fsync+0x72/0x190 fs/libfs.c:1132 fat_file_fsync+0x7e/0x190 fs/fat/file.c:191 generic_write_sync include/linux/fs.h:2452 [inline] generic_file_write_iter+0x2a1/0x310 mm/filemap.c:4090 call_write_iter include/linux/fs.h:1851 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x7b2/0xbb0 fs/read_write.c:584 ksys_write+0x1a0/0x2c0 fs/read_write.c:637 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: 0033:0x7eff4d28c0f9 RSP: 002b:00007eff4bdfe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007eff4d3abf80 RCX: 00007eff4d28c0f9 RDX: 000000000208e24b RSI: 0000000020000080 RDI: 0000000000000004 RBP: 00007eff4d2e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc6704a27f R14: 00007eff4bdfe300 R15: 0000000000022000 INFO: task syz-executor.3:31414 blocked for more than 153 seconds. Not tainted 6.2.0-syzkaller-10827-g489fa31ea873 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:26168 pid:31414 ppid:5088 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0x17d8/0x4990 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 folio_wait_writeback+0xec/0x1f0 mm/page-writeback.c:3127 migrate_folio_unmap mm/migrate.c:1192 [inline] migrate_pages_batch mm/migrate.c:1685 [inline] migrate_pages+0x2d50/0x6610 mm/migrate.c:1973 do_mbind mm/mempolicy.c:1338 [inline] kernel_mbind mm/mempolicy.c:1485 [inline] __do_sys_mbind mm/mempolicy.c:1559 [inline] __se_sys_mbind+0x75a/0x9c0 mm/mempolicy.c:1555 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: 0033:0x7eff4d28c0f9 RSP: 002b:00007eff43add168 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed RAX: ffffffffffffffda RBX: 00007eff4d3ac050 RCX: 00007eff4d28c0f9 RDX: 0000000000000000 RSI: 0000000000800000 RDI: 0000000020001000 RBP: 00007eff4d2e7ae9 R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc6704a27f R14: 00007eff43add300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8d127cf0 (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: ffffffff8d1284f0 (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: ffffffff8d127b20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 2 locks held by getty/4748: #0: ffff88802c32c098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:244 #1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ab/0x1db0 drivers/tty/n_tty.c:2177 2 locks held by kworker/1:11/7430: #0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x77f/0x13a0 #1: ffffc9001639fd20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7c6/0x13a0 kernel/workqueue.c:2365 4 locks held by kworker/u4:6/13144: #0: ffff888016612938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x77f/0x13a0 #1: ffffc900032cfd20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7c6/0x13a0 kernel/workqueue.c:2365 #2: ffffffff8e28a2d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf5/0xb80 net/core/net_namespace.c:575 #3: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: tc_action_net_exit include/net/act_api.h:172 [inline] #3: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: gate_exit_net+0x30/0x100 net/sched/act_gate.c:658 3 locks held by kworker/1:17/16901: #0: ffff88814a151138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x77f/0x13a0 #1: ffffc90005127d20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7c6/0x13a0 kernel/workqueue.c:2365 #2: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16b0 net/ipv6/addrconf.c:4088 3 locks held by kworker/0:9/25887: #0: ffff88814a151138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x77f/0x13a0 #1: ffffc9000b77fd20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7c6/0x13a0 kernel/workqueue.c:2365 #2: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16b0 net/ipv6/addrconf.c:4088 3 locks held by kworker/u4:5/26798: #0: ffff888144ab3938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x77f/0x13a0 #1: ffffc90004b17d20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7c6/0x13a0 kernel/workqueue.c:2365 #2: ffff88805eb100e0 (&type->s_umount_key#87){++++}-{3:3}, at: trylock_super+0x1f/0xf0 fs/super.c:414 1 lock held by syz-executor.3/31409: #0: ffff888023207698 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline] #0: ffff888023207698 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault arch/x86/mm/fault.c:1358 [inline] #0: ffff888023207698 (&mm->mmap_lock){++++}-{3:3}, at: handle_page_fault arch/x86/mm/fault.c:1498 [inline] #0: ffff888023207698 (&mm->mmap_lock){++++}-{3:3}, at: exc_page_fault+0x558/0x8a0 arch/x86/mm/fault.c:1554 2 locks held by syz-executor.3/31412: #0: ffff88801dd37768 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x254/0x2f0 fs/file.c:1046 #1: ffff88805eb10460 (sb_writers#23){.+.+}-{0:0}, at: vfs_write+0x26d/0xbb0 fs/read_write.c:580 1 lock held by syz-executor.3/31414: #0: ffff888023207698 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock include/linux/mmap_lock.h:71 [inline] #0: ffff888023207698 (&mm->mmap_lock){++++}-{3:3}, at: do_mbind mm/mempolicy.c:1312 [inline] #0: ffff888023207698 (&mm->mmap_lock){++++}-{3:3}, at: kernel_mbind mm/mempolicy.c:1485 [inline] #0: ffff888023207698 (&mm->mmap_lock){++++}-{3:3}, at: __do_sys_mbind mm/mempolicy.c:1559 [inline] #0: ffff888023207698 (&mm->mmap_lock){++++}-{3:3}, at: __se_sys_mbind+0x47d/0x9c0 mm/mempolicy.c:1555 3 locks held by kworker/0:2/31953: #0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77f/0x13a0 #1: ffffc9000357fd20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x7c6/0x13a0 kernel/workqueue.c:2365 #2: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:277 2 locks held by syz-executor.4/32620: #0: ffffffff8e27c5e8 (vlan_ioctl_mutex){+.+.}-{3:3}, at: sock_ioctl+0x618/0x850 net/socket.c:1276 #1: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: vlan_ioctl_handler+0x112/0x9e0 net/8021q/vlan.c:553 2 locks held by syz-executor.4/32623: #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline] #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7ce/0xf40 net/core/rtnetlink.c:6171 #1: ffffffff8d12d1f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:293 [inline] #1: ffffffff8d12d1f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3a3/0x890 kernel/rcu/tree_exp.h:989 1 lock held by syz-executor.4/32624: #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline] #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7ce/0xf40 net/core/rtnetlink.c:6171 1 lock held by syz-executor.4/32627: #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: ip_rt_ioctl+0xea/0x1670 net/ipv4/fib_frontend.c:627 1 lock held by syz-executor.0/32622: #0: ffffffff8e27c5e8 (vlan_ioctl_mutex){+.+.}-{3:3}, at: sock_ioctl+0x618/0x850 net/socket.c:1276 1 lock held by syz-executor.0/32625: #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline] #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7ce/0xf40 net/core/rtnetlink.c:6171 1 lock held by syz-executor.0/32626: #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline] #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7ce/0xf40 net/core/rtnetlink.c:6171 1 lock held by syz-executor.0/32628: #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: ip_rt_ioctl+0xea/0x1670 net/ipv4/fib_frontend.c:627 1 lock held by syz-executor.3/32636: #0: ffffffff8e27c5e8 (vlan_ioctl_mutex){+.+.}-{3:3}, at: sock_ioctl+0x618/0x850 net/socket.c:1276 1 lock held by syz-executor.3/32639: #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline] #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7ce/0xf40 net/core/rtnetlink.c:6171 1 lock held by syz-executor.3/32642: #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline] #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7ce/0xf40 net/core/rtnetlink.c:6171 1 lock held by syz-executor.3/32645: #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: ip_rt_ioctl+0xea/0x1670 net/ipv4/fib_frontend.c:627 1 lock held by syz-executor.5/32632: #0: ffffffff8e27c5e8 (vlan_ioctl_mutex){+.+.}-{3:3}, at: sock_ioctl+0x618/0x850 net/socket.c:1276 1 lock held by syz-executor.5/32635: #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline] #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7ce/0xf40 net/core/rtnetlink.c:6171 1 lock held by syz-executor.5/32638: #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline] #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7ce/0xf40 net/core/rtnetlink.c:6171 1 lock held by syz-executor.2/32640: #0: ffffffff8e27c5e8 (vlan_ioctl_mutex){+.+.}-{3:3}, at: sock_ioctl+0x618/0x850 net/socket.c:1276 1 lock held by syz-executor.2/32643: #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline] #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7ce/0xf40 net/core/rtnetlink.c:6171 1 lock held by syz-executor.2/32646: #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline] #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7ce/0xf40 net/core/rtnetlink.c:6171 1 lock held by syz-executor.2/32648: #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: ip_rt_ioctl+0xea/0x1670 net/ipv4/fib_frontend.c:627 1 lock held by syz-executor.1/32651: #0: ffffffff8d12d1f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:325 [inline] #0: ffffffff8d12d1f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x46c/0x890 kernel/rcu/tree_exp.h:989 1 lock held by syz-executor.1/32654: #0: ffffffff8e27c5e8 (vlan_ioctl_mutex){+.+.}-{3:3}, at: sock_ioctl+0x618/0x850 net/socket.c:1276 1 lock held by syz-executor.1/32655: #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline] #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7ce/0xf40 net/core/rtnetlink.c:6171 1 lock held by syz-executor.1/32656: #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline] #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7ce/0xf40 net/core/rtnetlink.c:6171 1 lock held by syz-executor.1/32657: #0: ffffffff8e296848 (rtnl_mutex){+.+.}-{3:3}, at: ip_rt_ioctl+0xea/0x1670 net/ipv4/fib_frontend.c:627 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.2.0-syzkaller-10827-g489fa31ea873 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x4e5/0x560 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x1b4/0x410 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+0x1024/0x1070 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 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 19837 Comm: kworker/u4:10 Not tainted 6.2.0-syzkaller-10827-g489fa31ea873 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Workqueue: phy35 ieee80211_iface_work RIP: 0010:ieee80211_sta_get_rates+0x3d7/0x720 net/mac80211/util.c:2300 Code: 38 84 c0 0f 85 fe 00 00 00 0f b7 1b 83 7c 24 2c 1f 0f 87 29 01 00 00 e8 17 37 4d f7 4d 89 e5 03 5c 24 44 89 d8 99 f7 7c 24 78 <89> c3 89 c7 8b 6c 24 48 89 ee e8 7a 38 4d f7 39 eb 75 62 bf 40 00 RSP: 0018:ffffc90005147840 EFLAGS: 00000202 RAX: 00000000000001e0 RBX: 00000000000001e0 RCX: ffff88804b65d7c0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8a3f752b R09: fffffbfff1ce8d2e R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880728833d0 R13: ffff8880728833d0 R14: 000000000000000a R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0091c7010 CR3: 000000000cf30000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_update_sta_info net/mac80211/ibss.c:1003 [inline] ieee80211_rx_bss_info net/mac80211/ibss.c:1118 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1609 [inline] ieee80211_ibss_rx_queued_mgmt+0x126c/0x2e80 net/mac80211/ibss.c:1638 ieee80211_iface_process_skb net/mac80211/iface.c:1583 [inline] ieee80211_iface_work+0x7bd/0xd00 net/mac80211/iface.c:1637 process_one_work+0x915/0x13a0 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