netlink: 16 bytes leftover after parsing attributes in process `syz-executor.1'. ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.2:7241 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.2 D24368 7241 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 fuse_lock_inode+0xaf/0xe0 fs/fuse/inode.c:365 fuse_lookup+0x86/0x410 fs/fuse/dir.c:367 __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: 0033:0x7f6e4dd6adb8 Code: Bad RIP value. RSP: 002b:00007ffc83e80250 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 000000000000078a RCX: 00007f6e4dd6adb8 RDX: 0000000000090800 RSI: 00007f6e4ddc4372 RDI: 00000000ffffff9c RBP: 00007ffc83e8031c R08: 0000000000090800 R09: 00007f6e4ddc4372 R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000 R13: 00000000000ae9c7 R14: 0000000000000014 R15: 00007ffc83e80380 INFO: task syz-executor.2:20469 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.2 D26128 20469 7241 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 request_wait_answer+0x3dc/0x750 fs/fuse/dev.c:485 __fuse_request_send+0x123/0x1c0 fs/fuse/dev.c:505 fuse_simple_request+0x2e6/0x820 fs/fuse/dev.c:576 fuse_lookup_name+0x24c/0x5c0 fs/fuse/dir.c:330 fuse_lookup+0xdf/0x410 fs/fuse/dir.c:368 __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:2270 [inline] path_lookupat+0xe4/0x8d0 fs/namei.c:2318 filename_lookup+0x1ac/0x5a0 fs/namei.c:2349 lookup_bdev fs/block_dev.c:2125 [inline] lookup_bdev+0xfc/0x220 fs/block_dev.c:2115 blkdev_get_by_path+0x1b/0xd0 fs/block_dev.c:1704 mount_bdev+0x5b/0x3b0 fs/super.c:1116 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: 0033:0x7f6e4dd6b279 Code: Bad RIP value. RSP: 002b:00007f6e4c6e0168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f6e4de7df80 RCX: 00007f6e4dd6b279 RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000020000000 RBP: 00007f6e4ddc5189 R08: 0000000020000100 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc83e8005f R14: 00007f6e4c6e0300 R15: 0000000000022000 INFO: task syz-executor.2:20498 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.2 D28608 20498 7241 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 d_wait_lookup fs/dcache.c:2430 [inline] d_alloc_parallel+0x1292/0x19e0 fs/dcache.c:2512 __lookup_slow+0x18d/0x4a0 fs/namei.c:1655 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: 0033:0x7f6e4dd6b279 Code: Bad RIP value. RSP: 002b:00007f6e4c63b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f6e4de7e390 RCX: 00007f6e4dd6b279 RDX: 0000000000000002 RSI: 0000000020002080 RDI: ffffffffffffff9c RBP: 00007f6e4ddc5189 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc83e8005f R14: 00007f6e4c63b300 R15: 0000000000022000 Showing all locks held in the system: 2 locks held by kworker/u4:3/1016: 1 lock held by khungtaskd/1570: #0: 0000000035ad2cb1 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 2 locks held by in:imklog/7805: #0: 0000000054f1ab8d (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 #1: 0000000035ad2cb1 (rcu_read_lock){....}, at: is_bpf_text_address+0x0/0x1b0 kernel/bpf/core.c:533 2 locks held by syz-executor.2/7241: #0: 000000008dfca575 (&type->i_mutex_dir_key#10){++++}, at: inode_lock_shared include/linux/fs.h:758 [inline] #0: 000000008dfca575 (&type->i_mutex_dir_key#10){++++}, at: lookup_slow fs/namei.c:1688 [inline] #0: 000000008dfca575 (&type->i_mutex_dir_key#10){++++}, at: walk_component+0x798/0xda0 fs/namei.c:1811 #1: 00000000b661a496 (&fi->mutex){+.+.}, at: fuse_lock_inode+0xaf/0xe0 fs/fuse/inode.c:365 2 locks held by syz-executor.2/20469: #0: 000000008dfca575 (&type->i_mutex_dir_key#10){++++}, at: inode_lock_shared include/linux/fs.h:758 [inline] #0: 000000008dfca575 (&type->i_mutex_dir_key#10){++++}, at: lookup_slow fs/namei.c:1688 [inline] #0: 000000008dfca575 (&type->i_mutex_dir_key#10){++++}, at: walk_component+0x798/0xda0 fs/namei.c:1811 #1: 00000000b661a496 (&fi->mutex){+.+.}, at: fuse_lock_inode+0xaf/0xe0 fs/fuse/inode.c:365 1 lock held by syz-executor.2/20498: #0: 000000008dfca575 (&type->i_mutex_dir_key#10){++++}, at: inode_lock_shared include/linux/fs.h:758 [inline] #0: 000000008dfca575 (&type->i_mutex_dir_key#10){++++}, at: lookup_slow fs/namei.c:1688 [inline] #0: 000000008dfca575 (&type->i_mutex_dir_key#10){++++}, at: walk_component+0x798/0xda0 fs/namei.c:1811 ============================================= 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 07/22/2022 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: 4684 Comm: systemd-journal Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:unwind_next_frame+0x50f/0x1400 arch/x86/kernel/unwind_orc.c:435 Code: 00 00 31 c0 e9 a4 fb ff ff 48 ba 00 00 00 00 00 fc ff df 4c 89 c6 49 8d 48 01 48 c1 ee 03 0f b6 34 16 48 89 cf 48 89 4c 24 20 <48> c1 ef 03 0f b6 14 17 4c 89 c7 83 e7 07 40 38 fe 40 0f 9e c7 40 RSP: 0018:ffff8880a109f918 EFLAGS: 00000803 RAX: 0000000000000015 RBX: 1ffff11014213f2c RCX: ffffffff8b9099ed RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff8b9099ed RBP: 0000000000000001 R08: ffffffff8b9099ec R09: ffffffff8b9099e8 R10: ffff8880a109fb5f R11: 0000000000074071 R12: ffff8880a109fb48 R13: ffff8880a109fb35 R14: ffff8880a109fb00 R15: ffffffff8b9099e8 FS: 00007fd7db2cb8c0(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd7d8883000 CR3: 00000000a1645000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __unwind_start+0x5b8/0x960 arch/x86/kernel/unwind_orc.c:667 unwind_start arch/x86/include/asm/unwind.h:60 [inline] __save_stack_trace+0x72/0x190 arch/x86/kernel/stacktrace.c:43 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] __kasan_slab_free+0x126/0x1f0 mm/kasan/kasan.c:521 __cache_free mm/slab.c:3503 [inline] kfree+0xcc/0x210 mm/slab.c:3822 aa_free_file_ctx security/apparmor/include/file.h:76 [inline] apparmor_file_free_security+0x9a/0xd0 security/apparmor/lsm.c:448 security_file_free+0x3e/0x70 security/security.c:885 file_free fs/file_table.c:54 [inline] __fput+0x42a/0x890 fs/file_table.c:294 task_work_run+0x148/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fd7da85a840 Code: 73 01 c3 48 8b 0d 68 77 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 89 bb 20 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 RSP: 002b:00007ffe6ee42cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: fffffffffffffffe RBX: 00007ffe6ee42fc0 RCX: 00007fd7da85a840 RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 000056393f69a7c0 RBP: 000000000000000d R08: 000000000000ffc0 R09: 00000000ffffffff R10: 0000000000000069 R11: 0000000000000246 R12: 00000000ffffffff R13: 000056393f68d040 R14: 00007ffe6ee42f80 R15: 000056393f69a5e0