Bluetooth: hci8: command 0x040f tx timeout Bluetooth: hci7: command 0x0419 tx timeout Bluetooth: hci8: command 0x0419 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.0:13194 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 D26136 13194 8116 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 xlog_grant_head_wait+0x13b/0xcd0 fs/xfs/xfs_log.c:263 xlog_grant_head_check+0x3c8/0x420 fs/xfs/xfs_log.c:325 xfs_log_reserve+0x347/0xa70 fs/xfs/xfs_log.c:454 xfs_trans_reserve+0x63a/0x9c0 fs/xfs/xfs_trans.c:197 xfs_trans_alloc+0x2f7/0x700 fs/xfs/xfs_trans.c:289 xlog_finish_defer_ops fs/xfs/xfs_log_recover.c:4841 [inline] xlog_recover_process_intents+0x274/0x430 fs/xfs/xfs_log_recover.c:4947 xlog_recover_finish+0x5f/0x230 fs/xfs/xfs_log_recover.c:5839 xfs_log_mount_finish+0x135/0x450 fs/xfs/xfs_log.c:778 xfs_mountfs+0x1032/0x1bf0 fs/xfs/xfs_mount.c:974 xfs_fs_fill_super+0xd0e/0x1540 fs/xfs/xfs_super.c:1720 mount_bdev+0x2fc/0x3b0 fs/super.c:1158 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2492 [inline] do_mount+0x115c/0x2f50 fs/namespace.c:2822 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f96cf24b5fa Code: Bad RIP value. RSP: 002b:00007f96cd7bbf88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 000000000000bb2c RCX: 00007f96cf24b5fa RDX: 000000002000bb00 RSI: 0000000020000040 RDI: 00007f96cd7bbfe0 RBP: 00007f96cd7bc020 R08: 00007f96cd7bc020 R09: 00000000010000ce R10: 00000000010000ce R11: 0000000000000202 R12: 000000002000bb00 R13: 0000000020000040 R14: 00007f96cd7bbfe0 R15: 0000000020000300 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 0000000017954654 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7737: #0: 000000002bea09ff (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 2 locks held by syz-executor.0/13194: #0: 000000008f21e4e8 (&type->s_umount_key#64/1){+.+.}, at: alloc_super fs/super.c:226 [inline] #0: 000000008f21e4e8 (&type->s_umount_key#64/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519 #1: 000000007f64971b (sb_internal#2){.+.+}, at: sb_start_intwrite include/linux/fs.h:1626 [inline] #1: 000000007f64971b (sb_internal#2){.+.+}, at: xfs_trans_alloc+0x4fc/0x700 fs/xfs/xfs_trans.c:271 2 locks held by syz-executor.3/13838: #0: 000000000547da1f (&type->s_umount_key#64/1){+.+.}, at: alloc_super fs/super.c:226 [inline] #0: 000000000547da1f (&type->s_umount_key#64/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519 #1: 0000000022e5b3f1 (sb_internal#2){.+.+}, at: sb_start_intwrite include/linux/fs.h:1626 [inline] #1: 0000000022e5b3f1 (sb_internal#2){.+.+}, at: xfs_trans_alloc+0x4fc/0x700 fs/xfs/xfs_trans.c:271 1 lock held by syz-executor.5/13844: #0: 000000008f21e4e8 (&type->s_umount_key#66){.+.+}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.5/13850: #0: 000000008f21e4e8 (&type->s_umount_key#66){.+.+}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.5/13852: #0: 000000008f21e4e8 (&type->s_umount_key#66){.+.+}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.5/13855: #0: 000000008f21e4e8 (&type->s_umount_key#66){.+.+}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.5/13859: #0: 000000008f21e4e8 (&type->s_umount_key#66){.+.+}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.5/13932: #0: 000000008f21e4e8 (&type->s_umount_key#66){.+.+}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.5/14497: #0: 000000008f21e4e8 (&type->s_umount_key#66){.+.+}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.5/14498: #0: 000000008f21e4e8 (&type->s_umount_key#66){.+.+}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.5/14499: #0: 000000008f21e4e8 (&type->s_umount_key#66){.+.+}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.5/14500: #0: 000000008f21e4e8 (&type->s_umount_key#66){.+.+}, at: iterate_supers+0xdb/0x290 fs/super.c:631 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1570 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 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4696 Comm: systemd-journal Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:__write_once_size include/linux/compiler.h:289 [inline] RIP: 0010:arch_atomic_set arch/x86/include/asm/atomic.h:43 [inline] RIP: 0010:atomic_set include/asm-generic/atomic-instrumented.h:34 [inline] RIP: 0010:prep_compound_page+0x176/0x210 mm/page_alloc.c:612 Code: 75 08 75 88 4c 8d 65 54 be 04 00 00 00 4c 89 e7 e8 0f 8d 19 00 4c 89 e2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 14 02 <4c> 89 e0 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 27 c7 45 54 ff ff RSP: 0018:ffff8880a08b78e8 EFLAGS: 00000807 RAX: dffffc0000000000 RBX: ffffea00023da834 RCX: ffffffff817ec1e1 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffea00023da7d4 RBP: ffffea00023da780 R08: 0000000000000001 R09: fffff9400047b4fa R10: ffffea00023da7d7 R11: 0000000000000000 R12: ffffea00023da7d4 R13: ffffea00023da7c0 R14: ffffea00023da781 R15: dffffc0000000000 FS: 00007f78f44858c0(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f78f19eb000 CR3: 00000000a0854000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: prep_new_page mm/page_alloc.c:1952 [inline] get_page_from_freelist+0x312b/0x4170 mm/page_alloc.c:3376 __alloc_pages_nodemask+0x387/0x2890 mm/page_alloc.c:4399 __alloc_pages include/linux/gfp.h:496 [inline] __alloc_pages_node include/linux/gfp.h:509 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682 cache_alloc_refill+0x273/0x340 mm/slab.c:3049 ____cache_alloc mm/slab.c:3132 [inline] __do_cache_alloc mm/slab.c:3354 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x346/0x370 mm/slab.c:3557 getname_flags+0xce/0x590 fs/namei.c:140 user_path_at_empty+0x2a/0x50 fs/namei.c:2609 user_path_at include/linux/namei.h:57 [inline] do_faccessat+0x248/0x7a0 fs/open.c:397 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f78f37409c7 Code: 83 c4 08 48 3d 01 f0 ff ff 73 01 c3 48 8b 0d c8 d4 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 15 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a1 d4 2b 00 f7 d8 64 89 01 48 RSP: 002b:00007fff4e0210a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00007fff4e023fc0 RCX: 00007f78f37409c7 RDX: 00007f78f41b1a00 RSI: 0000000000000000 RDI: 000055bef09fe9a3 RBP: 00007fff4e0210e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000069 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fff4e023fc0 R15: 00007fff4e0215d0