rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
1-....
} 2681 jiffies s: 11689 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
0 0
Node 0 DMA: 0*4kB
NMI backtrace for cpu 1
CPU: 1 PID: 14405 Comm: syz-executor.5 Not tainted 6.5.0-syzkaller-12918-g6b8bb5b8d9b3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x31/0x70 kernel/kcov.c:207
Code: 5d 3a b6 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 c0 aa 03 00 a9 00 01 ff 00 74 0e 85 c9 74 35 8b 82 3c 15 00 00 <85> c0 74 2b 8b 82 18 15 00 00 83 f8 02 75 20 48 8b 8a 20 15 00 00
RSP: 0018:ffffc90000197f38 EFLAGS: 00000006
RAX: 0000000000000000 RBX: ffffffff86889965 RCX: 0000000000000100
RDX: ffff88811806d700 RSI: ffffffff863f9d85 RDI: 0000000000000001
RBP: 0000000000000009 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000009 R11: 000000000049ee30 R12: ffffc90000198040
R13: 000000000000002e R14: ffffc900001980d8 R15: 0000000000000009
FS: 00007f78d55ce6c0(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f78d64b2000 CR3: 0000000107fe0000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
format_decode+0xe5/0xba0 lib/vsprintf.c:2541
vsnprintf+0x13d/0x1870 lib/vsprintf.c:2770
sprintf+0xcd/0x100 lib/vsprintf.c:3022
print_time kernel/printk/printk.c:1327 [inline]
info_print_prefix+0x258/0x350 kernel/printk/printk.c:1353
record_print_text+0x143/0x410 kernel/printk/printk.c:1402
printk_get_next_message+0x2ca/0x7c0 kernel/printk/printk.c:2842
console_emit_next_record kernel/printk/printk.c:2877 [inline]
console_flush_all+0x3be/0xf70 kernel/printk/printk.c:2966
console_unlock+0x10c/0x260 kernel/printk/printk.c:3035
vprintk_emit+0x189/0x630 kernel/printk/printk.c:2307
vprintk+0x7b/0x90 kernel/printk/printk_safe.c:45
_printk+0xc8/0x100 kernel/printk/printk.c:2332
show_free_areas+0x1675/0x2140 mm/show_mem.c:384
__show_mem+0x34/0x140 mm/show_mem.c:409
k_spec drivers/tty/vt/keyboard.c:667 [inline]
k_spec+0xea/0x140 drivers/tty/vt/keyboard.c:656
kbd_keycode drivers/tty/vt/keyboard.c:1524 [inline]
kbd_event+0xcc8/0x17c0 drivers/tty/vt/keyboard.c:1543
input_to_handler+0x382/0x4c0 drivers/input/input.c:132
input_pass_values.part.0+0x536/0x7a0 drivers/input/input.c:161
input_pass_values drivers/input/input.c:148 [inline]
input_event_dispose+0x5ee/0x770 drivers/input/input.c:378
input_handle_event+0x11c/0xd80 drivers/input/input.c:406
input_repeat_key+0x251/0x340 drivers/input/input.c:2263
call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
expire_timers kernel/time/timer.c:1751 [inline]
__run_timers+0x764/0xb10 kernel/time/timer.c:2022
run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035
__do_softirq+0x20b/0x94e kernel/softirq.c:553
invoke_softirq kernel/softirq.c:427 [inline]
__irq_exit_rcu kernel/softirq.c:632 [inline]
irq_exit_rcu+0xa7/0x110 kernel/softirq.c:644
sysvec_apic_timer_interrupt+0x8e/0xb0 arch/x86/kernel/apic/apic.c:1074
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:console_flush_all+0x9d2/0xf70 kernel/printk/printk.c:2972
Code: b4 0f 23 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 42 64 1c 00 48 85 db 0f 85 95 03 00 00 e8 a4 68 1c 00 fb 48 8b 44 24 08 <48> 8b 14 24 0f b6 00 83 e2 07 38 d0 7f 08 84 c0 0f 85 9e 04 00 00
RSP: 0018:ffffc9000f1a7ae8 EFLAGS: 00000293
RAX: fffff52001e34f88 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88811806d700 RSI: ffffffff813107bc RDI: 0000000000000007
RBP: ffffffff88353b80 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 205d314320202020 R12: 0000000000000001
R13: dffffc0000000000 R14: ffffffff88353bd8 R15: 0000000000000001
console_unlock+0x10c/0x260 kernel/printk/printk.c:3035
vprintk_emit+0x189/0x630 kernel/printk/printk.c:2307
vprintk+0x7b/0x90 kernel/printk/printk_safe.c:45
_printk+0xc8/0x100 kernel/printk/printk.c:2332
usb_gadget_register_driver_owner+0x1c2/0x2d0 drivers/usb/gadget/udc/core.c:1684
raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:548 [inline]
raw_ioctl+0x172f/0x2b80 drivers/usb/gadget/legacy/raw_gadget.c:1255
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl fs/ioctl.c:857 [inline]
__x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f78d626c84b
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007f78d55cbfa0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f78d626c84b
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000006
RBP: 00007f78d55cd070 R08: 0000000000000010 R09: 00352e6364755f79
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f78d55cc040 R14: 0000000020000180 R15: 00007f78d64b1c58
0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15360kB
Node 0 DMA32: 3*4kB (M) 3*8kB (M) 3*16kB (M) 4*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 2*512kB (M) 2*1024kB (M) 1*2048kB (M) 702*4096kB (M) = 2881748kB
Node 0 Normal: 2611*4kB (UME) 379*8kB (ME) 367*16kB (UME) 120*32kB (ME) 52*64kB (UME) 51*128kB (UME) 47*256kB (UME) 53*512kB (UME) 38*1024kB (M) 13*2048kB (UM) 707*4096kB (M) = 3033620kB
Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB
50559 total pagecache pages
0 pages in swap cache
Free swap = 124996kB
Total swap = 124996kB
2097051 pages RAM
0 pages HighMem/MovableOnly
367316 pages reserved
usb 6-1: async_complete: urb error -104
usb 6-1: async_complete: urb error -104
Mem-Info:
active_anon:2546 inactive_anon:15248 isolated_anon:0
active_file:4816 inactive_file:40639 isolated_file:0
unevictable:0 dirty:11 writeback:0
slab_reclaimable:5569 slab_unreclaimable:69173
mapped:10244 shmem:5105 pagetables:415
sec_pagetables:0 bounce:0
kernel_misc_reclaimable:0
free:1489424 free_pcp:3159 free_cma:0
Node 0 active_anon:10184kB inactive_anon:60992kB active_file:19264kB inactive_file:162556kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:40976kB dirty:44kB writeback:0kB shmem:20420kB writeback_tmp:0kB kernel_stack:4024kB pagetables:1660kB sec_pagetables:0kB all_unreclaimable? no
Node 0 DMA free:15360kB boost:0kB min:20kB low:32kB high:44kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 2814 6738 6738
Node 0 DMA32 free:2881748kB boost:0kB min:4380kB low:7260kB high:10140kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2885196kB mlocked:0kB bounce:0kB free_pcp:3448kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 3924 3924
Node 0 Normal free:3060588kB boost:0kB min:6108kB low:10124kB high:14140kB reserved_highatomic:0KB active_anon:10184kB inactive_anon:60992kB active_file:19264kB inactive_file:162556kB unevictable:0kB writepending:44kB present:5242880kB managed:4018384kB mlocked:0kB bounce:0kB free_pcp:9188kB local_pcp:4300kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15360kB
Node 0 DMA32: 3*4kB (M) 3*8kB (M) 3*16kB (M) 4*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 2*512kB (M) 2*1024kB (M) 1*2048kB (M) 702*4096kB (M) = 2881748kB
Node 0 Normal: 3286*4kB (UME) 498*8kB (UME) 448*16kB (UME) 429*32kB (UME) 107*64kB (UME) 91*128kB (UME) 57*256kB (UME) 55*512kB (UME) 38*1024kB (M) 13*2048kB (UM) 707*4096kB (M) = 3060680kB
Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB
50560 total pagecache pages
0 pages in swap cache
Free swap = 124996kB
Total swap = 124996kB
2097051 pages RAM
0 pages HighMem/MovableOnly
367316 pages reserved