ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 Bluetooth: hci4: command 0x0406 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.0:31793 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 D24120 31793 1 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 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 vfat_lookup+0xeb/0x610 fs/fat/namei_vfat.c:709 __lookup_slow+0x246/0x4a0 fs/namei.c:1672 lookup_slow fs/namei.c:1689 [inline] walk_component+0x7ac/0xda0 fs/namei.c:1811 link_path_walk.part.0+0x901/0x1230 fs/namei.c:2142 link_path_walk fs/namei.c:2073 [inline] path_openat+0x1db/0x2df0 fs/namei.c:3536 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: 0033:0x7f2ade7120e8 Code: Bad RIP value. RSP: 002b:00007ffe883c8c60 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000418 RCX: 00007f2ade7120e8 RDX: 0000000000090800 RSI: 00007f2ade76c69a RDI: 00000000ffffff9c RBP: 00007ffe883c8d2c R08: 0000000000090800 R09: 00007f2ade76c69a R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000 R13: 0000000000156b69 R14: 0000000000000011 R15: 00007ffe883c8d90 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 000000006270fcc6 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7856: #0: 0000000005e3430f (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 2 locks held by syz-executor.0/31793: #0: 00000000f2dcf3d9 (&sb->s_type->i_mutex_key#26){++++}, at: inode_lock_shared include/linux/fs.h:758 [inline] #0: 00000000f2dcf3d9 (&sb->s_type->i_mutex_key#26){++++}, at: lookup_slow fs/namei.c:1688 [inline] #0: 00000000f2dcf3d9 (&sb->s_type->i_mutex_key#26){++++}, at: walk_component+0x798/0xda0 fs/namei.c:1811 #1: 000000005afc7630 (&sbi->s_lock){+.+.}, at: vfat_lookup+0xeb/0x610 fs/fat/namei_vfat.c:709 3 locks held by syz-executor.0/9085: ============================================= 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 09/22/2022 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: 9085 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:348 [inline] RIP: 0010:rcu_is_watching+0xd/0xc0 kernel/rcu/tree.c:1025 Code: 00 00 e8 f6 d7 46 00 e9 f4 f3 ff ff 48 8b 7c 24 18 e8 07 d9 46 00 e9 c8 f3 ff ff 66 90 55 53 48 83 ec 08 65 ff 05 13 53 b0 7e 2e 94 25 02 48 c7 c3 c0 2a 02 00 48 ba 00 00 00 00 00 fc ff df RSP: 0018:ffff88805511f1a0 EFLAGS: 00000282 RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc9000c83f000 RDX: 0000000000040000 RSI: ffffffff817c4c77 RDI: 0000000000000001 RBP: ffff8880ae2084e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f2add044700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f49d22c4000 CR3: 00000000b24c8000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_read_unlock include/linux/rcupdate.h:677 [inline] find_get_entry+0x64c/0x8a0 mm/filemap.c:1491 pagecache_get_page+0x56/0xd50 mm/filemap.c:1564 find_get_page_flags include/linux/pagemap.h:278 [inline] __find_get_block_slow fs/buffer.c:206 [inline] __find_get_block+0x591/0xde0 fs/buffer.c:1295 __getblk_slow+0x14a/0x9e0 fs/buffer.c:1040 __getblk_gfp fs/buffer.c:1321 [inline] __bread_gfp+0x218/0x300 fs/buffer.c:1366 sb_bread include/linux/buffer_head.h:309 [inline] fat__get_entry+0x4f9/0x8e0 fs/fat/dir.c:101 fat_get_entry fs/fat/dir.c:129 [inline] fat_search_long+0x232/0xdc0 fs/fat/dir.c:477 vfat_find fs/fat/namei_vfat.c:697 [inline] vfat_lookup+0x2d4/0x610 fs/fat/namei_vfat.c:711 __lookup_slow+0x246/0x4a0 fs/namei.c:1672 lookup_slow fs/namei.c:1689 [inline] walk_component+0x7ac/0xda0 fs/namei.c:1811 link_path_walk.part.0+0x901/0x1230 fs/namei.c:2142 link_path_walk fs/namei.c:2073 [inline] path_parentat+0x51/0x140 fs/namei.c:2367 filename_parentat+0x198/0x590 fs/namei.c:2389 filename_create+0x9e/0x490 fs/namei.c:3621 user_path_create fs/namei.c:3696 [inline] do_mkdirat+0xa0/0x2d0 fs/namei.c:3834 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f2ade7125a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2add044168 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f2ade834120 RCX: 00007f2ade7125a9 RDX: 00000000000001ff RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 00007f2ade76d580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe883c8a6f R14: 00007f2add044300 R15: 0000000000022000