syzbot


INFO: rcu detected stall in raw_ioctl

Status: upstream: reported on 2023/10/31 09:02
Subsystems: usb
[Documentation on labels]
Reported-by: syzbot+5f996b83575ef4058638@syzkaller.appspotmail.com
First crash: 256d, last: 1d17h
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [usb?] INFO: rcu detected stall in raw_ioctl 0 (1) 2023/10/31 09:02
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: soft lockup in raw_ioctl kvm net serial 3 357d 461d 0/26 auto-obsoleted due to no activity on 2023/05/31 06:54

Sample crash report:
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
 0-....
 } 2630 jiffies s: 14157 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):

Sending NMI from CPU 1 to CPUs 0:
lowmem_reserve[]: 0
NMI backtrace for cpu 0
CPU: 0 PID: 24390 Comm: syz-executor.4 Not tainted 6.8.0-rc5-syzkaller-00096-g3bf0514dc6f3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:io_serial_out+0x8f/0xb0 drivers/tty/serial/8250/8250_port.c:417
Code: 48 8d 7d 40 44 89 e1 48 b8 00 00 00 00 00 fc ff df 48 89 fa d3 e3 48 c1 ea 03 80 3c 02 00 75 18 66 03 5d 40 44 89 e8 89 da ee <5b> 5d 41 5c 41 5d c3 e8 65 b6 13 ff eb a4 e8 be b6 13 ff eb e1 66
RSP: 0018:ffffc900000073c8 EFLAGS: 00000002
RAX: 0000000000000037 RBX: 00000000000003f8 RCX: 0000000000000000
RDX: 00000000000003f8 RSI: ffffffff82882c65 RDI: ffffffff8c1ab320
RBP: ffffffff8c1ab2e0 R08: 0000000000000001 R09: 000000000000001f
R10: 0000000000000000 R11: 0000000000000008 R12: 0000000000000000
R13: 0000000000000037 R14: ffffffff82882c00 R15: 0000000000000000
FS:  00007fafb021f6c0(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fafb021e070 CR3: 000000011c853000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 serial_out drivers/tty/serial/8250/8250.h:122 [inline]
 serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3373 [inline]
 serial8250_console_write+0xcbd/0x1060 drivers/tty/serial/8250/8250_port.c:3444
 console_emit_next_record kernel/printk/printk.c:2901 [inline]
 console_flush_all+0x4d8/0xd60 kernel/printk/printk.c:2967
 console_unlock+0x10c/0x260 kernel/printk/printk.c:3036
 vprintk_emit+0x17f/0x5f0 kernel/printk/printk.c:2303
 vprintk+0x7b/0x90 kernel/printk/printk_safe.c:45
 _printk+0xc8/0x100 kernel/printk/printk.c:2328
 show_free_areas+0x1232/0x2140 mm/show_mem.c:349
 __show_mem+0x34/0x140 mm/show_mem.c:406
 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+0x5c9/0x840 drivers/input/input.c:161
 input_event_dispose+0x377/0x630 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+0x193/0x590 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x759/0xaa0 kernel/time/timer.c:2038
 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2051
 __do_softirq+0x20a/0x8c1 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+0x90/0xb0 arch/x86/kernel/apic/apic.c:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:console_flush_all+0xa11/0xd60 kernel/printk/printk.c:2973
Code: e8 64 7d 23 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 92 a1 1c 00 48 85 db 0f 85 7c 01 00 00 e8 f4 a5 1c 00 fb 48 8b 04 24 <4c> 89 fa 83 e2 07 0f b6 00 38 d0 7f 08 84 c0 0f 85 55 02 00 00 41
RSP: 0018:ffffc9000167faf8 EFLAGS: 00000293
RAX: fffff520002cff86 RBX: 0000000000000000 RCX: ffffffff81313f3e
RDX: ffff8881165b3a00 RSI: ffffffff81313f4c RDI: 0000000000000007
RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000004 R12: 0000000000000001
R13: ffffffff88360618 R14: ffffffff883605c0 R15: ffffc9000167fc30
 console_unlock+0x10c/0x260 kernel/printk/printk.c:3036
 vprintk_emit+0x17f/0x5f0 kernel/printk/printk.c:2303
 vprintk+0x7b/0x90 kernel/printk/printk_safe.c:45
 _printk+0xc8/0x100 kernel/printk/printk.c:2328
 usb_gadget_register_driver_owner+0x1c2/0x2d0 drivers/usb/gadget/udc/core.c:1700
 raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:595 [inline]
 raw_ioctl+0x172f/0x2b80 drivers/usb/gadget/legacy/raw_gadget.c:1306
 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:52 [inline]
 do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fafb0edfb0b
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:00007fafb021cfa0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fafb0edfb0b
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000005
RBP: 00007fafb021e070 R08: 0000000000000010 R09: 00342e6364755f79
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fafb021d040 R14: 00000000200000c0 R15: 00007fafb11333f0
 </TASK>
 0 3915 3915
Node 0 Normal free:2880012kB boost:0kB min:6100kB low:10108kB high:14116kB reserved_highatomic:0KB active_anon:1348kB inactive_anon:59904kB active_file:21604kB inactive_file:166936kB unevictable:0kB writepending:0kB present:5242880kB managed:4009928kB mlocked:0kB bounce:0kB free_pcp:1668kB local_pcp:924kB 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: 2*4kB (M) 0*8kB 1*16kB (M) 2*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 2*512kB (M) 2*1024kB (M) 2*2048kB (M) 701*4096kB (M) = 2879448kB
Node 0 Normal: 1189*4kB (ME) 953*8kB (UME) 291*16kB (UME) 424*32kB (UME) 60*64kB (ME) 167*128kB (ME) 78*256kB (M) 53*512kB (ME) 16*1024kB (M) 4*2048kB (UME) 672*4096kB (M) = 2880012kB
Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB
51684 total pagecache pages
0 pages in swap cache
Free swap  = 124996kB
Total swap = 124996kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369995 pages reserved
Mem-Info:
active_anon:337 inactive_anon:14826 isolated_anon:0
 active_file:5401 inactive_file:41734 isolated_file:0
 unevictable:0 dirty:0 writeback:0
 slab_reclaimable:4952 slab_unreclaimable:89087
 mapped:12994 shmem:4553 pagetables:479
 sec_pagetables:0 bounce:0
 kernel_misc_reclaimable:0
 free:1444438 free_pcp:2075 free_cma:0
Node 0 active_anon:1348kB inactive_anon:59304kB active_file:21604kB inactive_file:166936kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:51976kB dirty:0kB writeback:0kB shmem:18212kB writeback_tmp:0kB kernel_stack:3968kB pagetables:1916kB 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 2812 6727 6727
Node 0 DMA32 free:2879448kB boost:0kB min:4380kB low:7256kB high:10132kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2882936kB mlocked:0kB bounce:0kB free_pcp:3488kB local_pcp:64kB free_cma:0kB
lowmem_reserve[]: 0 0 3915 3915
Node 0 Normal free:2882944kB boost:0kB min:6100kB low:10108kB high:14116kB reserved_highatomic:0KB active_anon:1348kB inactive_anon:59304kB active_file:21604kB inactive_file:166936kB unevictable:0kB writepending:0kB present:5242880kB managed:4009928kB mlocked:0kB bounce:0kB free_pcp:4812kB local_pcp:932kB 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: 2*4kB (M) 0*8kB 1*16kB (M) 2*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 2*512kB (M) 2*1024kB (M) 2*2048kB (M) 701*4096kB (M) = 2879448kB
Node 0 Normal: 1362*4kB (UME) 965*8kB (UME) 303*16kB (UME) 449*32kB (UME) 72*64kB (UME) 172*128kB (UME) 79*256kB (UM) 54*512kB (UME) 17*1024kB (UM) 3*2048kB (ME) 672*4096kB (M) = 2882944kB
Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB
51688 total pagecache pages
0 pages in swap cache
Free swap  = 124996kB
Total swap = 124996kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369995 pages reserved
Mem-Info:
active_anon:337 inactive_anon:14826 isolated_anon:0
 active_file:5401 inactive_file:41734 isolated_file:0
 unevictable:0 dirty:0 writeback:0
 slab_reclaimable:4952 slab_unreclaimable:89030
 mapped:12069 shmem:4553 pagetables:479
 sec_pagetables:0 bounce:0
 kernel_misc_reclaimable:0
 free:1445577 free_pcp:1361 free_cma:0
Node 0 active_anon:1348kB inactive_anon:59304kB active_file:21604kB inactive_file:166936kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48276kB dirty:0kB writeback:0kB shmem:18212kB writeback_tmp:0kB kernel_stack:3968kB pagetables:1916kB 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 2812 6727 6727
Node 0 DMA32 free:2879448kB boost:0kB min:4380kB low:7256kB high:10132kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2882936kB mlocked:0kB bounce:0kB free_pcp:3488kB local_pcp:64kB free_cma:0kB
lowmem_reserve[]: 0 0 3915 3915
Node 0 Normal free:2887500kB boost:0kB min:6100kB low:10108kB high:14116kB reserved_highatomic:0KB active_anon:1348kB inactive_anon:59304kB active_file:21604kB inactive_file:166936kB unevictable:0kB writepending:0kB present:5242880kB managed:4009928kB mlocked:0kB bounce:0kB free_pcp:1956kB local_pcp:932kB 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: 2*4kB (M) 0*8kB 1*16kB (M) 2*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 2*512kB (M) 2*1024kB (M) 2*2048kB (M) 701*4096kB (M) = 2879448kB
Node 0 Normal: 1443*4kB (UME) 971*8kB (UME) 303*16kB (UME) 451*32kB (UME) 73*64kB (UME) 174*128kB (UME) 88*256kB (UM) 55*512kB (UME) 18*1024kB (UM) 3*2048kB (ME) 672*4096kB (M) = 2887540kB
Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB
51688 total pagecache pages
0 pages in swap cache
Free swap  = 124996kB
Total swap = 124996kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369995 pages reserved
Mem-Info:
active_anon:337 inactive_anon:14826 isolated_anon:0
 active_file:5401 inactive_file:41734 isolated_file:0
 unevictable:0 dirty:0 writeback:0
 slab_reclaimable:4952 slab_unreclaimable:89030
 mapped:12069 shmem:4553 pagetables:479
 sec_pagetables:0 bounce:0
 kernel_misc_reclaimable:0
 free:1445524 free_pcp:1529 free_cma:0
Node 0 active_anon:1348kB inactive_anon:59304kB active_file:21604kB inactive_file:166936kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48276kB dirty:0kB writeback:0kB shmem:18212kB writeback_tmp:0kB kernel_stack:3968kB pagetables:1916kB 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 2812 6727 6727
Node 0 DMA32 free:2879448kB boost:0kB min:4380kB low:7256kB high:10132kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2882936kB mlocked:0kB bounce:0kB free_pcp:3488kB local_pcp:64kB free_cma:0kB
lowmem_reserve[]: 0 0 3915 3915
Node 0 Normal free:2887288kB boost:0kB min:6100kB low:10108kB high:14116kB reserved_highatomic:0KB active_anon:1348kB inactive_anon:59304kB active_file:21604kB inactive_file:166936kB unevictable:0kB writepending:0kB present:5242880kB managed:4009928kB mlocked:0kB bounce:0kB free_pcp:2628kB local_pcp:932kB 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: 2*4kB (M) 0*8kB 1*16kB (M) 2*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 2*512kB (M) 2*1024kB (M) 2*2048kB (M) 701*4096kB (M) = 2879448kB
Node 0 Normal: 1380*4kB (UME) 971*8kB (UME) 303*16kB (UME) 451*32kB (UME) 73*64kB (UME) 174*128kB (UME) 88*256kB (UM) 55*512kB (UME) 18*1024kB (UM) 3*2048kB (ME) 672*4096kB (M) = 2887288kB
Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB
51688 total pagecache pages
0 pages in swap cache
Free swap  = 124996kB
Total swap = 124996kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369995 pages reserved
Mem-Info:
active_anon:337 inactive_anon:14751 isolated_anon:0
 active_file:5401 inactive_file:41734 isolated_file:0
 unevictable:0 dirty:0 writeback:0
 slab_reclaimable:4952 slab_unreclaimable:88917
 mapped:12069 shmem:4553 pagetables:479
 sec_pagetables:0 bounce:0
 kernel_misc_reclaimable:0
 free:1446020 free_pcp:1360 free_cma:0
Node 0 active_anon:1348kB inactive_anon:59004kB active_file:21604kB inactive_file:166936kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48276kB dirty:0kB writeback:0kB shmem:18212kB writeback_tmp:0kB kernel_stack:3968kB pagetables:1916kB 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 2812 6727 6727
Node 0 DMA32 free:2879448kB boost:0kB min:4380kB low:7256kB high:10132kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2882936kB mlocked:0kB bounce:0kB free_pcp:3488kB local_pcp:64kB free_cma:0kB
lowmem_reserve[]: 0 0 3915 3915
Node 0 Normal free:2889272kB boost:0kB min:6100kB low:10108kB high:14116kB reserved_highatomic:0KB active_anon:1348kB inactive_anon:59004kB active_file:21604kB inactive_file:166936kB unevictable:0kB writepending:0kB present:5242880kB managed:4009928kB mlocked:0kB bounce:0kB free_pcp:1952kB local_pcp:932kB 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: 2*4kB (M) 0*8kB 1*16kB (M) 2*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 2*512kB (M) 2*1024kB (M) 2*2048kB (M) 701*4096kB (M) = 2879448kB
Node 0 Normal: 1451*4kB (UME) 974*8kB (UME) 306*16kB (UME) 457*32kB (UME) 78*64kB (UME) 179*128kB (UME) 88*256kB (UM) 56*512kB (UME) 18*1024kB (UM) 3*2048kB (ME) 672*4096kB (M) = 2889308kB
Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB
51688 total pagecache pages
0 pages in swap cache
Free swap  = 124996kB
Total swap = 124996kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369995 pages reserved
Mem-Info:
active_anon:337 inactive_anon:14751 isolated_anon:0
 active_file:5401 inactive_file:41734 isolated_file:0
 unevictable:0 dirty:0 writeback:0
 slab_reclaimable:4952 slab_unreclaimable:88917
 mapped:12069 shmem:4553 pagetables:479
 sec_pagetables:0 bounce:0
 kernel_misc_reclaimable:0
 free:1446020 free_pcp:1364 free_cma:0
Node 0 active_anon:1348kB inactive_anon:59004kB active_file:21604kB inactive_file:166936kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48276kB dirty:0kB writeback:0kB shmem:18212kB writeback_tmp:0kB kernel_stack:3968kB pagetables:1916kB 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 2812 6727 6727
Node 0 DMA32 free:2879448kB boost:0kB min:4380kB low:7256kB high:10132kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2882936kB mlocked:0kB bounce:0kB free_pcp:3488kB local_pcp:64kB free_cma:0kB
lowmem_reserve[]: 0 0 3915 3915
Node 0 Normal free:2889272kB boost:0kB min:6100kB low:10108kB high:14116kB reserved_highatomic:0KB active_anon:1348kB inactive_anon:59004kB active_file:21604kB inactive_file:166936kB unevictable:0kB writepending:0kB present:5242880kB managed:4009928kB mlocked:0kB bounce:0kB free_pcp:1968kB local_pcp:932kB 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: 2*4kB (M) 0*8kB 1*16kB (M) 2*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 2*512kB (M) 2*1024kB (M) 2*2048kB (M) 701*4096kB (M) = 2879448kB
Node 0 Normal: 1564*4kB (UME) 979*8kB (UME) 310*16kB (UME) 456*32kB (UME) 77*64kB (UME) 180*128kB (UME) 88*256kB (UM) 55*512kB (UME) 19*1024kB (UM) 3*2048kB (ME) 672*4096kB (M) = 2890408kB
Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB
51688 total pagecache pages
0 pages in swap cache
Free swap  = 124996kB
Total swap = 124996kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369995 pages reserved
Mem-Info:
active_anon:337 inactive_anon:14751 isolated_anon:0
 active_file:5401 inactive_file:41734 isolated_file:0
 unevictable:0 dirty:0 writeback:0
 slab_reclaimable:4952 slab_unreclaimable:88826
 mapped:12069 shmem:4553 pagetables:479
 sec_pagetables:0 bounce:0
 kernel_misc_reclaimable:0
 free:1446992 free_pcp:1837 free_cma:0
Node 0 active_anon:1348kB inactive_anon:59004kB active_file:21604kB inactive_file:166936kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48276kB dirty:0kB writeback:0kB shmem:18212kB writeback_tmp:0kB kernel_stack:3968kB pagetables:1916kB 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 2812 6727 6727
Node 0 DMA32 free:2879448kB boost:0kB min:4380kB low:7256kB high:10132kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2882936kB mlocked:0kB bounce:0kB free_pcp:3488kB local_pcp:64kB free_cma:0kB
lowmem_reserve[]: 0 0 3915 3915
Node 0 Normal free:2893160kB boost:0kB min:6100kB low:10108kB high:14116kB reserved_highatomic:0KB active_anon:1348kB inactive_anon:59004kB active_file:21604kB inactive_file:166936kB unevictable:0kB writepending:0kB present:5242880kB managed:4009928kB mlocked:0kB bounce:0kB free_pcp:3860kB local_pcp:3796kB 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: 2*4kB (M) 0*8kB 1*16kB (M) 2*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 2*512kB (M) 2*1024kB (M) 2*2048kB (M) 701*4096kB (M) = 2879448kB
Node 0 Normal: 1550*4kB (UME) 980*8kB (UME) 334*16kB (UME) 470*32kB (UME) 86*64kB (UME) 180*128kB (UME) 88*256kB (UM) 56*512kB (UME) 20*1024kB (UM) 3*2048kB (ME) 672*4096kB (M) = 2893304kB
Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB
51688 total pagecache pages
0 pages in swap cache
Free swap  = 124996kB
Total swap = 124996kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369995 pages reserved
Mem-Info:
active_anon:337 inactive_anon:14751 isolated_anon:0
 active_file:5401 inactive_file:41734 isolated_file:0
 unevictable:0 dirty:0 writeback:0
 slab_reclaimable:4952 slab_unreclaimable:88750
 mapped:12069 shmem:4553 pagetables:479
 sec_pagetables:0 bounce:0
 kernel_misc_reclaimable:0
 free:1447863 free_pcp:1290 free_cma:0
Node 0 active_anon:1348kB inactive_anon:59004kB active_file:21604kB inactive_file:166936kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48276kB dirty:0kB writeback:0kB shmem:18212kB writeback_tmp:0kB kernel_stack:3968kB pagetables:1916kB 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 2812 6727 6727
Node 0 DMA32 free:2879448kB boost:0kB min:4380kB low:7256kB high:10132kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2882936kB mlocked:0kB bounce:0kB free_pcp:3488kB local_pcp:64kB free_cma:0kB
lowmem_reserve[]: 0 0 3915 3915
Node 0 Normal free:2896644kB boost:0kB min:6100kB low:10108kB high:14116kB reserved_highatomic:0KB active_anon:1348kB inactive_anon:59004kB active_file:21604kB inactive_file:166936kB unevictable:0kB writepending:0kB present:5242880kB managed:4009928kB mlocked:0kB bounce:0kB free_pcp:1672kB local_pcp:1596kB 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: 2*4kB (M) 0*8kB 1*16kB (M) 2*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 2*512kB (M) 2*1024kB (M) 2*2048kB (M) 701*4096kB (M) = 2879448kB
Node 0 Normal: 1376*4kB (UME) 990*8kB (UME) 356*16kB (UME) 493*32kB (UME) 88*64kB (UME) 186*128kB (UME) 92*256kB (UM) 58*512kB (UME) 20*1024kB (UM) 3*2048kB (ME) 672*4096kB (M) = 2896720kB
Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB
51688 total pagecache pages
0 pages in swap cache
Free swap  = 124996kB
Total swap = 124996kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369995 pages reserved
Mem-Info:
active_anon:337 inactive_anon:14776 isolated_anon:0
 active_file:5401 inactive_file:41734 isolated_file:0
 unevictable:0 dirty:0 writeback:0
 slab_reclaimable:4952 slab_unreclaimable:88750
 mapped:12069 shmem:4553 pagetables:479
 sec_pagetables:0 bounce:0
 kernel_misc_reclaimable:0
 free:1448913 free_pcp:1458 free_cma:0
Node 0 active_anon:1348kB inactive_anon:59104kB active_file:21604kB inactive_file:166936kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48276kB dirty:0kB writeback:0kB shmem:18212kB writeback_tmp:0kB kernel_stack:3940kB pagetables:1916kB 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 2812 6727 6727
Node 0 DMA32 free:2879448kB boost:0kB min:4380kB low:7256kB high:10132kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2882936kB mlocked:0kB bounce:0kB free_pcp:3488kB local_pcp:64kB free_cma:0kB
lowmem_reserve[]: 0 0 3915 3915
Node 0 Normal free:2900844kB boost:0kB min:6100kB low:10108kB high:14116kB reserved_highatomic:0KB active_anon:1348kB inactive_anon:59104kB active_file:21604kB inactive_file:166936kB unevictable:0kB writepending:0kB present:5242880kB managed:4009928kB mlocked:0kB bounce:0kB free_pcp:2344kB local_pcp:2264kB free_cma:0kB

Crashes (39):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/02/21 08:07 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3bf0514dc6f3 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/12/14 02:32 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 51920207674e 3222d10c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/12/10 09:02 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 940704296f7e 28b24332 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/11/05 11:17 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 90b0c2b2edd1 500bfdc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/11/04 11:31 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 90b0c2b2edd1 500bfdc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/11/04 00:17 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c70793fb7632 500bfdc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/11/03 22:12 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c70793fb7632 500bfdc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/11/01 22:54 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c70793fb7632 69904c9f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/10/27 14:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 9b6db9a3a675 3c418d72 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/10/27 08:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ec0989703642 bf285f0c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/10/26 22:22 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ec0989703642 23afc60f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/10/26 07:12 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ec0989703642 72e794c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/10/26 01:30 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ec0989703642 72e794c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/10/25 21:52 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ec0989703642 72e794c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/10/25 21:45 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ec0989703642 72e794c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/10/25 18:58 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ec0989703642 72e794c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/10/25 13:12 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ec0989703642 17e6d526 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/10/24 18:34 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ec0989703642 17e6d526 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/10/22 08:39 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a04224da1f34 361b23dc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/10/16 13:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 1053c4a4b8fc f757a323 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/10/15 07:36 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 1053c4a4b8fc f757a323 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/09/26 11:40 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 6465e260f487 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/09/26 06:56 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 6465e260f487 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/09/25 15:39 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 6465e260f487 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/09/22 00:11 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ce9ecca0238b 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/09/14 10:11 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 0bb80ecc33a8 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/09/14 08:19 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 0bb80ecc33a8 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/09/13 07:26 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 0bb80ecc33a8 59da8366 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/09/10 12:53 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 6b8bb5b8d9b3 6654cf89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/09/10 08:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 2a5a4326e583 6654cf89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/09/06 09:25 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f86ed6ec0b3 0b6286dc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/09/03 10:24 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 0468be89b3fa 696ea0d2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/09/02 00:10 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b84acc11b1c9 696ea0d2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/08/23 23:25 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 78e0ea427754 b81ca3f6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/08/15 19:21 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bbb9e06d2c64 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/08/14 11:30 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 55c3e571d2a0 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/08/14 04:07 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 55c3e571d2a0 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/08/12 11:40 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 55c3e571d2a0 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
2023/06/11 23:32 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing d37537a1f7cf 49519f06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in raw_ioctl
* Struck through repros no longer work on HEAD.