bridge0: topology change detected, propagating
bridge0: port 2(bridge_slave_1) entered forwarding state
bridge0: topology change detected, propagating
ip6_tunnel: ip6tnl1 xmit: Local address not yet configured!
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (0 ticks this GP) idle=761c/1/0x4000000000000000 softirq=116427/116427 fqs=1
rcu: 	(detected by 1, t=10502 jiffies, g=131877, q=444 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 21363 Comm: syz.9.3629 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__hrtimer_run_queues+0x426/0xa10
Code: 01 00 00 e8 5c 61 13 00 41 89 dc c1 eb 06 48 8d 3c dd 30 8e 57 90 be 08 00 00 00 e8 34 26 81 00 31 f6 4c 0f a3 25 aa f0 a3 0e <0f> 92 c3 40 0f 92 c6 bf 02 00 00 00 e8 29 64 13 00 84 db 74 19 e8
RSP: 0018:ffffc90000007dd8 EFLAGS: 00000047
RAX: ffffffff81b39d01 RBX: 0000000000000000 RCX: ffffffff81b39d7c
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff90578e30
RBP: ffff88811ab54300 R08: ffffffff90578e37 R09: 1ffffffff20af1c6
R10: dffffc0000000000 R11: fffffbfff20af1c7 R12: 0000000000000000
R13: 0000000000000001 R14: ffff888121028360 R15: 1ffff11024205062
FS:  00007ff32a7f66c0(0000) GS:ffff88818d94d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f18556738e0 CR3: 000000017029c000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 hrtimer_interrupt+0x448/0x910
 __sysvec_apic_timer_interrupt+0x102/0x430
 sysvec_apic_timer_interrupt+0xa1/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:its_return_thunk+0x0/0x10
Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc <c3> cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 e9 5b 77 5e f5 cc
RSP: 0018:ffffc90008437480 EFLAGS: 00000283
RAX: ffffffff820a4b7c RBX: ffffea000448e240 RCX: 0000000000080000
RDX: ffffc900089da000 RSI: 0000000000054a50 RDI: 0000000000054a51
RBP: 1ffffd4000891c49 R08: ffffea000448e247 R09: 1ffffd4000891c48
R10: dffffc0000000000 R11: fffff94000891c49 R12: ffffea000448e248
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
 folio_add_lru+0x34c/0x4c0
 shmem_alloc_and_add_folio+0xcc2/0xf60
 shmem_get_folio_gfp+0x5da/0x16d0
 shmem_fault+0x179/0x390
 __do_fault+0x138/0x2a0
 do_pte_missing+0x2215/0x34b0
 handle_mm_fault+0x19f5/0x3720
 __get_user_pages+0x1675/0x2750
 populate_vma_page_range+0x2be/0x3c0
 __mm_populate+0x25f/0x390
 vm_mmap_pgoff+0x353/0x4e0
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff32c59e019
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff32a7f6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007ff32c825fa0 RCX: 00007ff32c59e019
RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000200000000000
RBP: 00007ff32c63500c R08: ffffffffffffffff R09: 000000006a72c000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff32c826038 R14: 00007ff32c825fa0 R15: 00007ffcc4dbfbf8
 </TASK>
rcu: rcu_preempt kthread starved for 10500 jiffies! g131877 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:27736 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 __schedule+0x17d9/0x56c0
 schedule+0x164/0x2b0
 schedule_timeout+0x152/0x2c0
 rcu_gp_fqs_loop+0x30c/0x11f0
 rcu_gp_kthread+0x9e/0x2b0
 kthread+0x388/0x470
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 21358 Comm: syz.2.3626 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:smp_call_function_many_cond+0x11e6/0x15f0
Code: c0 75 7a 41 8b 1e 89 de 83 e6 01 31 ff e8 42 21 0c 00 83 e3 01 48 bb 00 00 00 00 00 fc ff df 75 07 e8 ee 1c 0c 00 eb 37 f3 90 <41> 0f b6 04 1c 84 c0 75 10 41 f7 06 01 00 00 00 74 1e e8 d3 1c 0c
RSP: 0018:ffffc90008597ac0 EFLAGS: 00000293
RAX: ffffffff81bae1ed RBX: dffffc0000000000 RCX: ffff88819d35bc00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90008597c10 R08: ffffffff90578e37 R09: 1ffffffff20af1c6
R10: dffffc0000000000 R11: ffffffff8174f150 R12: 1ffff110242085fd
R13: ffff88823c63c448 R14: ffff888121042fe8 R15: 0000000000000000
FS:  00007f185665b6c0(0000) GS:ffff8882a8f4d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c457ba1 CR3: 0000000177814000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 clock_was_set+0x715/0x7e0
 do_settimeofday64+0x34e/0x590
 __x64_sys_clock_settime+0x253/0x2a0
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f185579e019
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f185665b028 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00007f1855a25fa0 RCX: 00007f185579e019
RDX: 0000000000000000 RSI: 0000200000000240 RDI: 0000000000000000
RBP: 00007f185583500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1855a26038 R14: 00007f1855a25fa0 R15: 00007ffff859a258
 </TASK>
hpet_rtc_timer_reinit: 39 callbacks suppressed
hpet: Lost 20 RTC interrupts
