rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=0d2c/1/0x4000000000000000 softirq=20976/21193 fqs=4918
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1079314        399            0
rcu: 	cputime:    24363      28123           89   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=12233 q=2849 ncpus=2)
CPU: 1 UID: 0 PID: 6549 Comm: syz.5.146 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__sanitizer_cov_trace_pc+0x28/0x70
Code: 90 90 f3 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 08 10 a0 92 65 8b 15 28 e7 df 10 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 <83> b9 3c 16 00 00 00 74 2c 8b 91 18 16 00 00 83 fa 02 75 21 48 8b
RSP: 0018:ffffc900001e0b98 EFLAGS: 00000246
RAX: ffffffff81ae2b1e RBX: ffffffff8869cf40 RCX: ffff888107558000
RDX: 0000000000000100 RSI: ffffffff8869cf40 RDI: ffffffff99e466c0
RBP: ffffc900001e0c90 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 1ffff9200003c178
R13: ffffffff99e466c0 R14: 00000000ffffe5df R15: ffffc900001e0be0
FS:  00007ff6334636c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f95c6ee56c0 CR3: 0000000107856000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 call_timer_fn+0x8e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_irq_work+0xa3/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0010:__schedule+0x137/0x4d00
Code: 84 44 18 00 00 e8 69 41 ff ff 48 63 d8 83 fb 08 0f 83 9d 18 00 00 48 8d 1c dd 70 ec bb 8d 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 7f eb b3 f6 4c 8b 3b 4d 8d a7 c8 ba a1 92 4c 89
RSP: 0018:ffffc900046aeba0 EFLAGS: 00000246
RAX: 1ffffffff1b77d8f RBX: ffffffff8dbbec78 RCX: 00b1b530fcc81f00
RDX: 0000000000000000 RSI: ffffffff8be29f20 RDI: ffffffff8be29ee0
RBP: ffffc900046aedb0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: dffffc0000000000 R14: dffffc0000000000 R15: 1ffff920008d5db8
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__local_bh_enable_ip+0x135/0x1c0
Code: 8b e8 8f f2 e8 09 65 66 8b 05 6f 5f 1a 11 66 85 c0 75 5a bf 01 00 00 00 e8 a8 32 0b 00 e8 33 04 42 00 fb 65 8b 05 4b 5f 1a 11 <85> c0 75 05 e8 82 f5 ad ff 48 c7 04 24 0e 36 e0 45 4b c7 04 37 00
RSP: 0018:ffffc900046aef20 EFLAGS: 00000282
RAX: 0000000000000000 RBX: 0000000000000201 RCX: 00b1b530fcc81f00
RDX: 0000000000000000 RSI: ffffffff8d998836 RDI: ffffffff8be29f40
RBP: ffffc900046aefb8 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffffffff8b3934a8
R13: ffffffff8b3af0b0 R14: dffffc0000000000 R15: 1ffff920008d5de4
 batadv_dat_free+0x298/0x380
 batadv_mesh_free+0x7c/0x140
 batadv_meshif_free+0x15/0x20
 netdev_run_todo+0xcd7/0xea0
 rtnl_dellink+0x537/0x710
 rtnetlink_rcv_msg+0x7cf/0xb70
 netlink_rcv_skb+0x208/0x470
 netlink_unicast+0x75c/0x8e0
 netlink_sendmsg+0x805/0xb30
 __sock_sendmsg+0x21c/0x270
 ____sys_sendmsg+0x505/0x830
 ___sys_sendmsg+0x21f/0x2a0
 __x64_sys_sendmsg+0x19b/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff63258e9a9
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff633463038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ff6327b5fa0 RCX: 00007ff63258e9a9
RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 000000000000000d
RBP: 00007ff632610d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff6327b5fa0 R15: 00007ffc817925e8
 </TASK>
