Bluetooth: hci7: command 0x041b tx timeout Bluetooth: hci7: command 0x040f tx timeout Bluetooth: hci7: command 0x0419 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.4:12189 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.4 D28648 12189 8117 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 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:589 [inline] rwsem_down_write_failed+0x3aa/0x760 kernel/locking/rwsem-xadd.c:618 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0x4f/0x90 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:748 [inline] fuse_flush+0x1fd/0x5b0 fs/fuse/file.c:421 filp_close+0xb4/0x160 fs/open.c:1162 __close_fd+0x133/0x200 fs/file.c:636 __do_sys_close fs/open.c:1181 [inline] __se_sys_close fs/open.c:1179 [inline] __x64_sys_close+0x69/0x100 fs/open.c:1179 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fe034e5c37b Code: Bad RIP value. RSP: 002b:00007ffe31c9ac90 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe034e5c37b RDX: 0000001b2e820000 RSI: 0000001b2e8264d0 RDI: 0000000000000004 RBP: 00007fe034fcc980 R08: 0000000000000000 R09: 000000003253460c R10: 001c3f5fe092d294 R11: 0000000000000293 R12: 00000000000a218a R13: 00007ffe31c9ad90 R14: 00007fe034fcb050 R15: 0000000000000032 INFO: task syz-executor.4:12202 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.4 D28184 12202 8117 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 fuse_wait_on_page_writeback fs/fuse/file.c:383 [inline] fuse_wait_on_page_writeback.isra.0+0x11b/0x170 fs/fuse/file.c:379 fuse_launder_page fs/fuse/file.c:2033 [inline] fuse_launder_page+0xb6/0xe0 fs/fuse/file.c:2026 do_launder_page mm/truncate.c:655 [inline] invalidate_inode_pages2_range+0x795/0x1110 mm/truncate.c:725 fuse_finish_open+0x2e2/0x590 fs/fuse/file.c:182 fuse_open_common+0x254/0x2c0 fs/fuse/file.c:222 do_dentry_open+0x4aa/0x1160 fs/open.c:796 do_last fs/namei.c:3421 [inline] path_openat+0x793/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fe034eaa5a9 Code: Bad RIP value. RSP: 002b:00007fe03341d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe034fcaf80 RCX: 00007fe034eaa5a9 RDX: 0000000000000000 RSI: 0000000000000300 RDI: 0000000020000100 RBP: 00007fe034f057b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe31c9ac2f R14: 00007fe03341d300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1571: #0: 00000000cf28b956 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by systemd-journal/4680: 1 lock held by in:imklog/7811: #0: 000000008d246c7e (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 2 locks held by agetty/8030: #0: 00000000123f7528 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 00000000d2e3faeb (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154 1 lock held by syz-executor.4/12189: #0: 0000000075e88619 (&sb->s_type->i_mutex_key#34){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 0000000075e88619 (&sb->s_type->i_mutex_key#34){+.+.}, at: fuse_flush+0x1fd/0x5b0 fs/fuse/file.c:421 2 locks held by syz-executor.4/12202: #0: 000000002714690c (sb_writers#27){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 000000002714690c (sb_writers#27){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 0000000075e88619 (&sb->s_type->i_mutex_key#34){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 0000000075e88619 (&sb->s_type->i_mutex_key#34){+.+.}, at: fuse_open_common+0x1bc/0x2c0 fs/fuse/file.c:215 1 lock held by syz-executor.4/12670: #0: 00000000e9b5fb63 (&sb->s_type->i_mutex_key#34){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 00000000e9b5fb63 (&sb->s_type->i_mutex_key#34){+.+.}, at: fuse_flush+0x1fd/0x5b0 fs/fuse/file.c:421 2 locks held by syz-executor.4/12674: #0: 00000000874bf33d (sb_writers#27){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 00000000874bf33d (sb_writers#27){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 00000000e9b5fb63 (&sb->s_type->i_mutex_key#34){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 00000000e9b5fb63 (&sb->s_type->i_mutex_key#34){+.+.}, at: fuse_open_common+0x1bc/0x2c0 fs/fuse/file.c:215 1 lock held by syz-executor.4/13057: #0: 00000000338d35a3 (&sb->s_type->i_mutex_key#34){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 00000000338d35a3 (&sb->s_type->i_mutex_key#34){+.+.}, at: fuse_flush+0x1fd/0x5b0 fs/fuse/file.c:421 2 locks held by syz-executor.4/13058: #0: 000000001d6d09ab (sb_writers#27){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 000000001d6d09ab (sb_writers#27){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 00000000338d35a3 (&sb->s_type->i_mutex_key#34){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 00000000338d35a3 (&sb->s_type->i_mutex_key#34){+.+.}, at: fuse_open_common+0x1bc/0x2c0 fs/fuse/file.c:215 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1571 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 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 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 16810 Comm: kworker/u4:10 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: bat_events batadv_nc_worker RIP: 0010:hlock_class kernel/locking/lockdep.c:145 [inline] RIP: 0010:mark_lock+0x17/0x1160 kernel/locking/lockdep.c:3106 Code: 89 e8 dd 7c 4d 00 eb 87 4c 89 ff e8 43 7c 4d 00 eb c7 90 48 b8 00 00 00 00 00 fc ff df 41 57 89 d1 41 89 d7 41 56 4c 8d 76 20 <4c> 89 f2 41 55 49 89 fd 41 54 48 c1 ea 03 41 bc 01 00 00 00 55 41 RSP: 0018:ffff888042ae7a50 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000008 RDX: 0000000000000008 RSI: ffff888094d54e18 RDI: ffff888094d54540 RBP: 0000000000000000 R08: 000000000000002e R09: 0000000000000002 R10: ffff888094d54e18 R11: 0000000000000000 R12: 000000000002002e R13: ffff888094d54540 R14: ffff888094d54e38 R15: 0000000000000008 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f37a5008000 CR3: 00000000a221e000 CR4: 00000000003426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __lock_acquire+0x6de/0x3ff0 kernel/locking/lockdep.c:3377 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 rcu_lock_acquire include/linux/rcupdate.h:242 [inline] rcu_read_lock include/linux/rcupdate.h:627 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:419 [inline] batadv_nc_worker+0x12d/0xd50 net/batman-adv/network-coding.c:730 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