Bluetooth: hci7: command 0x041b tx timeout Bluetooth: hci7: command 0x040f tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 Bluetooth: hci7: command 0x0419 tx timeout INFO: task syz-executor.4:23586 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 23586 8127 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: 0033:0x7f175478437b Code: Bad RIP value. RSP: 002b:00007ffd7baaca20 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f175478437b RDX: 0000001b2f620000 RSI: 0000001b2f626630 RDI: 0000000000000004 RBP: 00007f17548f4980 R08: 0000000000000000 R09: 000000003253460c R10: 000ab416e501dc94 R11: 0000000000000293 R12: 000000000005be26 R13: 00007ffd7baacb20 R14: 00007f17548f3120 R15: 0000000000000032 INFO: task syz-executor.4:23597 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 D27696 23597 8127 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: 0033:0x7f17547d25a9 Code: Bad RIP value. RSP: 002b:00007f1752d45168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f17548f2f80 RCX: 00007f17547d25a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0 RBP: 00007f175482d7b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd7baac9bf R14: 00007f1752d45300 R15: 0000000000022000 INFO: task syz-executor.4:23613 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 D29072 23613 8127 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_open_common+0x1bc/0x2c0 fs/fuse/file.c:215 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: 0033:0x7f17547d25a9 Code: Bad RIP value. RSP: 002b:00007f1752d24168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f17548f3050 RCX: 00007f17547d25a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140 RBP: 00007f175482d7b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd7baac9bf R14: 00007f1752d24300 R15: 0000000000022000 Showing all locks held in the system: 2 locks held by kworker/u4:2/61: 1 lock held by khungtaskd/1571: #0: 0000000087aece06 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7798: #0: 00000000f1300eed (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 2 locks held by agetty/8021: #0: 00000000575b2e1c (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 00000000af439d99 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154 1 lock held by syz-executor.4/23586: #0: 00000000f73a135e (&sb->s_type->i_mutex_key#32){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 00000000f73a135e (&sb->s_type->i_mutex_key#32){+.+.}, at: fuse_flush+0x1fd/0x5b0 fs/fuse/file.c:421 2 locks held by syz-executor.4/23597: #0: 0000000049395d3d (sb_writers#25){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 0000000049395d3d (sb_writers#25){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 00000000f73a135e (&sb->s_type->i_mutex_key#32){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 00000000f73a135e (&sb->s_type->i_mutex_key#32){+.+.}, at: fuse_open_common+0x1bc/0x2c0 fs/fuse/file.c:215 2 locks held by syz-executor.4/23613: #0: 0000000049395d3d (sb_writers#25){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 0000000049395d3d (sb_writers#25){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 00000000f73a135e (&sb->s_type->i_mutex_key#32){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 00000000f73a135e (&sb->s_type->i_mutex_key#32){+.+.}, at: fuse_open_common+0x1bc/0x2c0 fs/fuse/file.c:215 1 lock held by syz-executor.4/24005: #0: 00000000febf226c (&sb->s_type->i_mutex_key#32){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 00000000febf226c (&sb->s_type->i_mutex_key#32){+.+.}, at: fuse_flush+0x1fd/0x5b0 fs/fuse/file.c:421 2 locks held by syz-executor.4/24007: #0: 00000000cd2b28e0 (sb_writers#25){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 00000000cd2b28e0 (sb_writers#25){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 00000000febf226c (&sb->s_type->i_mutex_key#32){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 00000000febf226c (&sb->s_type->i_mutex_key#32){+.+.}, at: fuse_open_common+0x1bc/0x2c0 fs/fuse/file.c:215 2 locks held by syz-executor.4/24010: #0: 00000000cd2b28e0 (sb_writers#25){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 00000000cd2b28e0 (sb_writers#25){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 00000000febf226c (&sb->s_type->i_mutex_key#32){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 00000000febf226c (&sb->s_type->i_mutex_key#32){+.+.}, at: fuse_open_common+0x1bc/0x2c0 fs/fuse/file.c:215 1 lock held by syz-executor.4/24309: #0: 00000000ed809f34 (&sb->s_type->i_mutex_key#32){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 00000000ed809f34 (&sb->s_type->i_mutex_key#32){+.+.}, at: fuse_flush+0x1fd/0x5b0 fs/fuse/file.c:421 2 locks held by syz-executor.4/24310: #0: 00000000cf067de4 (sb_writers#25){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 00000000cf067de4 (sb_writers#25){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 00000000ed809f34 (&sb->s_type->i_mutex_key#32){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 00000000ed809f34 (&sb->s_type->i_mutex_key#32){+.+.}, at: fuse_open_common+0x1bc/0x2c0 fs/fuse/file.c:215 2 locks held by syz-executor.4/24313: #0: 00000000cf067de4 (sb_writers#25){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 00000000cf067de4 (sb_writers#25){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 00000000ed809f34 (&sb->s_type->i_mutex_key#32){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 00000000ed809f34 (&sb->s_type->i_mutex_key#32){+.+.}, 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 10/11/2022 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: 22187 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0033:0x7fb5dbc80df4 Code: 25 b4 ff ff ff 85 c0 74 2a 89 fe 31 c0 bf 3c 00 00 00 e8 af 37 06 00 c7 44 24 0c 00 00 00 00 0f 1f 80 00 00 00 00 8b 44 24 0c <83> c0 01 89 44 24 0c eb f3 48 8b 76 10 64 8b 14 25 b0 ff ff ff 48 RSP: 002b:00007fb5da256ae0 EFLAGS: 00000286 RAX: 00000000a9fc37bb RBX: 0000000000000000 RCX: ffffffffffffffb8 RDX: 99fe7eebedfda670 RSI: 00007fb5da256b00 RDI: 000000000000000b RBP: 000000000000000b R08: fbbdb6bc8d345eaf R09: 0000000000000000 R10: 10aaa1a219e09b6f R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007fb5da257700 GS: 0000000000000000