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.1:28309 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.1 D28648 28309 8165 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: 0033:0x7f1ce55aef8b Code: Bad RIP value. RSP: 002b:00007ffdb5fbd860 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1ce55aef8b RDX: 0000001b31220000 RSI: 0000001b31227c6c RDI: 0000000000000004 RBP: 00007f1ce571e980 R08: 0000000000000000 R09: 000000003253460c R10: 00015571d411ce93 R11: 0000000000000293 R12: 0000000000090c93 R13: 00007ffdb5fbd960 R14: 00007f1ce571d120 R15: 0000000000000032 INFO: task syz-executor.1:28314 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.1 D26088 28314 8165 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+0x236/0x2c0 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: 0033:0x7f1ce55fd0d9 Code: Bad RIP value. RSP: 002b:00007f1ce3b6f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f1ce571cf80 RCX: 00007f1ce55fd0d9 RDX: 00000000000000a0 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007f1ce5658ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdb5fbd7ff R14: 00007f1ce3b6f300 R15: 0000000000022000 INFO: task syz-executor.1:28324 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.1 D28856 28324 8165 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 wait_on_page_bit_common mm/filemap.c:1123 [inline] __lock_page+0x316/0x460 mm/filemap.c:1296 lock_page include/linux/pagemap.h:484 [inline] invalidate_inode_pages2_range+0xb3f/0x1110 mm/truncate.c:713 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: 0033:0x7f1ce55fd0d9 Code: Bad RIP value. RSP: 002b:00007f1ce3b4e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f1ce571d050 RCX: 00007f1ce55fd0d9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0 RBP: 00007f1ce5658ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdb5fbd7ff R14: 00007f1ce3b4e300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1569: #0: 00000000fe776285 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 2 locks held by agetty/8043: #0: 00000000d835218a (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 0000000043c9f769 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154 1 lock held by syz-executor.1/28309: #0: 0000000088d0863a (&sb->s_type->i_mutex_key#23){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 0000000088d0863a (&sb->s_type->i_mutex_key#23){+.+.}, at: fuse_flush+0x1fd/0x5b0 fs/fuse/file.c:421 2 locks held by syz-executor.1/28324: #0: 00000000820c91fe (sb_writers#23){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 00000000820c91fe (sb_writers#23){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 0000000088d0863a (&sb->s_type->i_mutex_key#23){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 0000000088d0863a (&sb->s_type->i_mutex_key#23){+.+.}, at: fuse_open_common+0x1bc/0x2c0 fs/fuse/file.c:215 1 lock held by syz-executor.1/28678: #0: 000000000ec67ae0 (&sb->s_type->i_mutex_key#23){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 000000000ec67ae0 (&sb->s_type->i_mutex_key#23){+.+.}, at: fuse_flush+0x1fd/0x5b0 fs/fuse/file.c:421 2 locks held by syz-executor.1/28684: #0: 00000000339c4952 (sb_writers#23){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 00000000339c4952 (sb_writers#23){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 000000000ec67ae0 (&sb->s_type->i_mutex_key#23){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 000000000ec67ae0 (&sb->s_type->i_mutex_key#23){+.+.}, at: fuse_open_common+0x1bc/0x2c0 fs/fuse/file.c:215 1 lock held by syz-executor.1/28992: #0: 00000000d6ae27e4 (&sb->s_type->i_mutex_key#23){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 00000000d6ae27e4 (&sb->s_type->i_mutex_key#23){+.+.}, at: fuse_flush+0x1fd/0x5b0 fs/fuse/file.c:421 2 locks held by syz-executor.1/28996: #0: 00000000439f89e0 (sb_writers#23){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 00000000439f89e0 (sb_writers#23){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 00000000d6ae27e4 (&sb->s_type->i_mutex_key#23){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 00000000d6ae27e4 (&sb->s_type->i_mutex_key#23){+.+.}, at: fuse_open_common+0x1bc/0x2c0 fs/fuse/file.c:215 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1569 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 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 10 Comm: rcu_preempt Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:lock_release+0x45e/0x8b0 kernel/locking/lockdep.c:3931 Code: 00 fc ff df 49 c7 04 04 00 00 00 00 48 8b 44 24 70 65 48 2b 04 25 28 00 00 00 0f 85 67 03 00 00 48 83 c4 78 5b 5d 41 5c 41 5d <41> 5e 41 5f c3 65 8b 05 d6 32 b6 7e 83 f8 07 0f 87 ba 02 00 00 89 RSP: 0000:ffff8880b5a67d60 EFLAGS: 00000092 RAX: 0000000000000000 RBX: 000000010000af5d RCX: 1ffff11016b49d61 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000086 RBP: ffffffff89f88280 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89f88640 R13: ffffffff89f88280 R14: ffff8880b5a4e280 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6c10dc8000 CR3: 00000000a178a000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:166 [inline] _raw_spin_unlock_irq+0x17/0x80 kernel/locking/spinlock.c:192 rcu_gp_cleanup kernel/rcu/tree.c:2150 [inline] rcu_gp_kthread+0x166f/0x21c0 kernel/rcu/tree.c:2244 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415