wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.2:21295 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 D26264 21295 8162 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: 0033:0x7fca659ce62a Code: Bad RIP value. RSP: 002b:00007fca63f3ef88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 000000000000acc8 RCX: 00007fca659ce62a RDX: 000000002000ad00 RSI: 000000002000ad40 RDI: 00007fca63f3efe0 RBP: 00007fca63f3f020 R08: 00007fca63f3f020 R09: 0000000002000001 R10: 0000000002000001 R11: 0000000000000202 R12: 000000002000ad00 R13: 000000002000ad40 R14: 00007fca63f3efe0 R15: 000000002000ad80 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 000000004e4f2485 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 2 locks held by syz-executor.2/21295: #0: 000000003e457d7a (&type->s_umount_key#70/1){+.+.}, at: alloc_super fs/super.c:226 [inline] #0: 000000003e457d7a (&type->s_umount_key#70/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519 #1: 000000003be04be0 (sb_internal#2){.+.+}, at: sb_start_intwrite include/linux/fs.h:1626 [inline] #1: 000000003be04be0 (sb_internal#2){.+.+}, at: xfs_trans_alloc+0x4fc/0x700 fs/xfs/xfs_trans.c:271 1 lock held by syz-executor.1/22279: #0: 000000003e457d7a (&type->s_umount_key#74){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.1/22741: #0: 000000003e457d7a (&type->s_umount_key#74){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.1/22744: #0: 000000003e457d7a (&type->s_umount_key#74){++++}, 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 02/16/2023 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: 9364 Comm: kworker/u4:5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Workqueue: bat_events batadv_nc_worker RIP: 0010:hlock_class kernel/locking/lockdep.c:152 [inline] RIP: 0010:mark_lock+0x73/0x1160 kernel/locking/lockdep.c:3106 Code: 45 20 66 a9 ff 1f 74 7c 48 ba 00 00 00 00 00 fc ff df 4c 89 f1 48 c1 e9 03 0f b6 14 11 84 d2 74 09 80 fa 03 0f 8e d2 07 00 00 <25> ff 1f 00 00 48 69 d8 50 01 00 00 48 81 eb 50 01 00 00 48 81 c3 RSP: 0018:ffff88804a957b78 EFLAGS: 00000046 RAX: 0000000000000617 RBX: 0000000000000001 RCX: 1ffff11009529162 RDX: 0000000000000000 RSI: ffff88804a948af0 RDI: ffff88804a948240 RBP: ffff88804a948af0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000004 R13: ffff88804a948240 R14: ffff88804a948b10 R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9ef51ab000 CR3: 0000000093803000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mark_held_locks+0xa6/0xf0 kernel/locking/lockdep.c:2810 __trace_hardirqs_on_caller kernel/locking/lockdep.c:2831 [inline] lockdep_hardirqs_on+0x288/0x5c0 kernel/locking/lockdep.c:2884 __local_bh_enable_ip+0x159/0x270 kernel/softirq.c:194 spin_unlock_bh include/linux/spinlock.h:374 [inline] batadv_nc_purge_paths+0x22d/0x310 net/batman-adv/network-coding.c:482 batadv_nc_worker+0x731/0xd50 net/batman-adv/network-coding.c:733 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415