kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 5.4.0-rc1+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_nc_worker RIP: 0010:check_preempt_wakeup+0x9a/0x850 kernel/sched/fair.c:6654 Code: 48 c1 e9 03 80 3c 01 00 0f 85 7b 06 00 00 4d 8b bd d8 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7f 18 48 89 f9 48 c1 e9 03 <0f> b6 04 01 84 c0 74 08 3c 03 0f 8e 87 06 00 00 41 8b 47 18 be 08 RSP: 0018:ffff8880a9897980 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: ffff8880a989e300 RCX: 000000000836b159 RDX: ffff8880a989e280 RSI: ffff8880a989e280 RDI: 0000000041b58acb RBP: ffff8880a98979c0 R08: ffff8880ae9356e0 R09: 1ffffffff0f57a21 R10: fffffbfff138d300 R11: ffffffff89c69807 R12: ffff8880a98f44c0 R13: ffff8880a98f4440 R14: ffff8880ae934d00 R15: 0000000041b58ab3 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000f40978 CR3: 000000006d360000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: check_preempt_curr+0x153/0x3a0 kernel/sched/core.c:1421 ttwu_do_wakeup+0x1f/0x5a0 kernel/sched/core.c:2219 ttwu_do_activate+0xe1/0x130 kernel/sched/core.c:2265 ttwu_queue kernel/sched/core.c:2409 [inline] try_to_wake_up+0xb23/0x1ab0 kernel/sched/core.c:2643 wake_up_process+0x10/0x20 kernel/sched/core.c:2667 swake_up_locked.part.0+0x5d/0x190 kernel/sched/swait.c:30 swake_up_locked kernel/sched/swait.c:26 [inline] swake_up_one+0x42/0x60 kernel/sched/swait.c:40 rcu_gp_kthread_wake kernel/rcu/tree.c:1241 [inline] rcu_gp_kthread_wake+0x6d/0xa0 kernel/rcu/tree.c:1232 rcu_report_qs_rsp+0x6d/0xb0 kernel/rcu/tree.c:1825 rcu_report_unblock_qs_rnp kernel/rcu/tree.c:1929 [inline] rcu_preempt_deferred_qs_irqrestore+0xa87/0xd60 kernel/rcu/tree_plugin.h:521 rcu_read_unlock_special kernel/rcu/tree_plugin.h:644 [inline] __rcu_read_unlock+0x220/0x6b0 kernel/rcu/tree_plugin.h:383 rcu_read_unlock include/linux/rcupdate.h:652 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:411 [inline] batadv_nc_worker+0x208/0x760 net/batman-adv/network-coding.c:718 process_one_work+0x9af/0x1740 kernel/workqueue.c:2269 worker_thread+0x98/0xe40 kernel/workqueue.c:2415 kthread+0x361/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace d83048e30b84b579 ]--- RIP: 0010:check_preempt_wakeup+0x9a/0x850 kernel/sched/fair.c:6654 Code: 48 c1 e9 03 80 3c 01 00 0f 85 7b 06 00 00 4d 8b bd d8 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7f 18 48 89 f9 48 c1 e9 03 <0f> b6 04 01 84 c0 74 08 3c 03 0f 8e 87 06 00 00 41 8b 47 18 be 08 RSP: 0018:ffff8880a9897980 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: ffff8880a989e300 RCX: 000000000836b159 RDX: ffff8880a989e280 RSI: ffff8880a989e280 RDI: 0000000041b58acb RBP: ffff8880a98979c0 R08: ffff8880ae9356e0 R09: 1ffffffff0f57a21 R10: fffffbfff138d300 R11: ffffffff89c69807 R12: ffff8880a98f44c0 R13: ffff8880a98f4440 R14: ffff8880ae934d00 R15: 0000000041b58ab3 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000f40978 CR3: 000000006d360000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400