overlayfs: unrecognized mount option "w²oËIorkdieôäYMW&lr=./file1" or missing value ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) INFO: task syz-executor.0:11668 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D25304 11668 8136 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 io_schedule+0xb5/0x120 kernel/sched/core.c:5181 bit_wait_io+0x12/0x90 kernel/sched/wait_bit.c:207 __wait_on_bit_lock+0xb5/0x170 kernel/sched/wait_bit.c:89 out_of_line_wait_on_bit_lock+0xd2/0x100 kernel/sched/wait_bit.c:116 wait_on_bit_lock_io include/linux/wait_bit.h:208 [inline] __lock_buffer+0x52/0x60 fs/buffer.c:65 lock_buffer include/linux/buffer_head.h:374 [inline] __sync_dirty_buffer+0x2a6/0x320 fs/buffer.c:3178 __ext4_handle_dirty_metadata+0x234/0x590 fs/ext4/ext4_jbd2.c:300 ext4_convert_inline_data_nolock+0x5c9/0xd10 fs/ext4/inline.c:1246 ext4_convert_inline_data+0x347/0x3a0 fs/ext4/inline.c:2033 ext4_page_mkwrite+0x209/0x1320 fs/ext4/inode.c:6295 do_page_mkwrite+0xd4/0x410 mm/memory.c:2486 wp_page_shared mm/memory.c:2794 [inline] do_wp_page+0x980/0x2210 mm/memory.c:2894 handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:181 Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 01 ca c3 0f 1f 80 00 00 00 00 0f 01 cb 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 01 ca c3 66 2e 0f 1f 84 00 00 00 00 00 0f 01 cb 83 RSP: 0018:ffff88803f117db0 EFLAGS: 00050206 RAX: ffffed10160212c0 RBX: 0000000000000600 RCX: 0000000000000600 RDX: 0000000000000600 RSI: ffff8880b0109000 RDI: 00000000200001c0 RBP: ffff8880b0109000 R08: 0000000000000000 R09: ffffed10160212bf R10: ffff8880b01095ff R11: 0000000000000000 R12: 00000000200001c0 R13: 00000000200007c0 R14: 00007ffffffff000 R15: 0000000000000000 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_to_user arch/x86/include/asm/uaccess_64.h:128 [inline] _copy_to_user+0xe2/0x100 lib/usercopy.c:28 copy_to_user include/linux/uaccess.h:155 [inline] __do_sys_mincore mm/mincore.c:283 [inline] __se_sys_mincore+0x4e6/0x7f0 mm/mincore.c:245 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f1ce86ff0c9 Code: Bad RIP value. RSP: 002b:00007f1ce6c71168 EFLAGS: 00000246 ORIG_RAX: 000000000000001b RAX: ffffffffffffffda RBX: 00007f1ce881ef80 RCX: 00007f1ce86ff0c9 RDX: 00000000200001c0 RSI: 0000000000800000 RDI: 0000000020000000 RBP: 00007f1ce875aae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd58763e5f R14: 00007f1ce6c71300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1567: #0: 000000001b1a3fca (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 2 locks held by agetty/8024: #0: 00000000bb571c9e (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 00000000cc71d339 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154 2 locks held by kworker/u4:2/8803: #0: 00000000e482c982 (&rq->lock){-.-.}, at: idle_balance kernel/sched/fair.c:9702 [inline] #0: 00000000e482c982 (&rq->lock){-.-.}, at: pick_next_task_fair+0x556/0x1570 kernel/sched/fair.c:6841 #1: 000000001b1a3fca (rcu_read_lock){....}, at: cpu_of kernel/sched/sched.h:923 [inline] #1: 000000001b1a3fca (rcu_read_lock){....}, at: __update_idle_core+0x39/0x3e0 kernel/sched/fair.c:6057 3 locks held by kworker/u4:9/10548: #0: 0000000005f19139 ((wq_completion)"writeback"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000237a3bb8 ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 0000000071307998 (&type->s_umount_key#45){.+.+}, at: trylock_super+0x1d/0x100 fs/super.c:412 4 locks held by syz-executor.0/11668: #0: 0000000094a0500f (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341 #1: 0000000010153181 (sb_pagefaults){.+.+}, at: sb_start_pagefault include/linux/fs.h:1608 [inline] #1: 0000000010153181 (sb_pagefaults){.+.+}, at: ext4_page_mkwrite+0x1c4/0x1320 fs/ext4/inode.c:6290 #2: 00000000bc3a8f40 (&ei->i_mmap_sem){++++}, at: ext4_page_mkwrite+0x201/0x1320 fs/ext4/inode.c:6293 #3: 000000008d885385 (&ei->xattr_sem){++++}, at: ext4_write_lock_xattr fs/ext4/xattr.h:141 [inline] #3: 000000008d885385 (&ei->xattr_sem){++++}, at: ext4_convert_inline_data+0x20a/0x3a0 fs/ext4/inline.c:2031 4 locks held by syz-executor.5/11765: #0: 00000000a75e3105 (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341 #1: 00000000e7f6b894 (sb_pagefaults){.+.+}, at: sb_start_pagefault include/linux/fs.h:1608 [inline] #1: 00000000e7f6b894 (sb_pagefaults){.+.+}, at: ext4_page_mkwrite+0x1c4/0x1320 fs/ext4/inode.c:6290 #2: 000000002a010030 (&ei->i_mmap_sem){++++}, at: ext4_page_mkwrite+0x201/0x1320 fs/ext4/inode.c:6293 #3: 000000008a6cb1ce (&ei->xattr_sem){++++}, at: ext4_write_lock_xattr fs/ext4/xattr.h:141 [inline] #3: 000000008a6cb1ce (&ei->xattr_sem){++++}, at: ext4_convert_inline_data+0x20a/0x3a0 fs/ext4/inline.c:2031 1 lock held by syz-executor.5/12276: #0: 00000000bbc6d44d (&bdev->bd_mutex){+.+.}, at: __blkdev_get+0x1d0/0x1480 fs/block_dev.c:1478 1 lock held by syz-executor.1/13171: #0: 00000000bbc6d44d (&bdev->bd_mutex){+.+.}, at: iterate_bdevs+0xc4/0x290 fs/block_dev.c:2200 2 locks held by syz-executor.1/13179: #0: 000000003ed2dbf6 (&type->s_umount_key#35){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 #1: 00000000565ac303 (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline] #1: 00000000565ac303 (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457 2 locks held by syz-executor.1/13185: #0: 000000003ed2dbf6 (&type->s_umount_key#35){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 #1: 00000000565ac303 (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline] #1: 00000000565ac303 (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457 2 locks held by syz-executor.1/13193: #0: 000000003ed2dbf6 (&type->s_umount_key#35){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 #1: 00000000565ac303 (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline] #1: 00000000565ac303 (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457 2 locks held by syz-executor.1/13208: #0: 000000003ed2dbf6 (&type->s_umount_key#35){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 #1: 00000000565ac303 (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline] #1: 00000000565ac303 (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457 2 locks held by syz-executor.1/13213: #0: 000000003ed2dbf6 (&type->s_umount_key#35){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 #1: 00000000565ac303 (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline] #1: 00000000565ac303 (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457 1 lock held by systemd-udevd/13168: #0: 00000000bbc6d44d (&bdev->bd_mutex){+.+.}, at: __blkdev_get+0x1d0/0x1480 fs/block_dev.c:1478 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1567 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x991/0xe60 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 23 Comm: kworker/u4:1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet RIP: 0010:lock_release+0x35/0x8b0 kernel/locking/lockdep.c:3917 Code: 57 41 56 41 55 49 89 d5 41 54 55 48 89 fd 53 48 83 ec 78 48 c7 44 24 18 b3 8a b5 41 4c 8d 64 24 18 48 c7 44 24 20 ac 2a b7 89 <49> c1 ec 03 48 c7 44 24 28 f0 49 4b 81 49 8d 14 04 65 48 8b 1c 25 RSP: 0018:ffff8880b5047b10 EFLAGS: 00000282 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff87d51ac5 RDX: ffffffff87d516e7 RSI: 0000000000000001 RDI: ffffffff89f85fa0 RBP: ffffffff89f85fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880b5047b28 R13: ffffffff87d516e7 R14: 00000000000002b3 R15: ffff8880ab0d09e0 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0077efe000 CR3: 00000000a10f3000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_lock_release include/linux/rcupdate.h:247 [inline] rcu_read_unlock include/linux/rcupdate.h:681 [inline] batadv_iv_ogm_slide_own_bcast_window net/batman-adv/bat_iv_ogm.c:954 [inline] batadv_iv_ogm_schedule_buff+0x7ae/0x1340 net/batman-adv/bat_iv_ogm.c:1008 batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:1052 [inline] batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:1045 [inline] batadv_iv_send_outstanding_bat_ogm_packet+0x68c/0x7a0 net/batman-adv/bat_iv_ogm.c:1871 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415