syzbot


INFO: rcu detected stall in unix_dgram_recvmsg (4)

Status: upstream: reported syz repro on 2024/10/01 17:08
Subsystems: usb net input
[Documentation on labels]
Reported-by: syzbot+0d91e83957155dac524c@syzkaller.appspotmail.com
First crash: 11d, last: 7h05m
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [usb?] [net?] [input?] INFO: rcu detected stall in unix_dgram_recvmsg (4) 0 (1) 2024/10/01 17:08
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in unix_dgram_recvmsg (3) net 2 111d 111d 0/28 auto-obsoleted due to no activity on 2024/09/18 01:51
upstream INFO: rcu detected stall in unix_dgram_recvmsg (2) net 1 329d 329d 0/28 auto-obsoleted due to no activity on 2024/02/13 00:28
upstream INFO: rcu detected stall in unix_dgram_recvmsg net 2 2130d 2181d 0/28 auto-closed as invalid on 2019/06/07 16:10

Sample crash report:
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
 0-...D
 } 2670 jiffies s: 1725 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):

Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 2530 Comm: syslogd Not tainted 6.12.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:print_time kernel/printk/printk.c:1360 [inline]
RIP: 0010:info_print_prefix+0x21d/0x350 kernel/printk/printk.c:1388
Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 33 01 00 00 48 8b 4d 08 4c 89 ff 48 b8 53 5a 9b a0 2f b8 44 00 48 89 ca <48> c1 ea 09 48 f7 e2 48 89 d6 48 c1 ee 0b 48 69 c6 00 ca 9a 3b 48
RSP: 0018:ffffc90000006d50 EFLAGS: 00000046
RAX: 0044b82fa09b5a53 RBX: ffffc90000006e60 RCX: 0000008132d5804a
RDX: 0000008132d5804a RSI: ffffffff8135b35a RDI: ffffc90000006e60
RBP: ffffc90000006f90 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 00000000000cf0c0 R12: 1ffff92000000dac
R13: 0000000000000001 R14: 0000000000000000 R15: ffffc90000006e60
FS:  00007fad524fa380(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200012b8 CR3: 00000001158bc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 record_print_text+0x141/0x400 kernel/printk/printk.c:1437
 printk_get_next_message+0x2a6/0x670 kernel/printk/printk.c:2978
 console_emit_next_record kernel/printk/printk.c:3046 [inline]
 console_flush_all+0x6ec/0xc60 kernel/printk/printk.c:3180
 __console_flush_and_unlock kernel/printk/printk.c:3239 [inline]
 console_unlock+0xd9/0x210 kernel/printk/printk.c:3279
 vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2407
 vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:68
 _printk+0xc8/0x100 kernel/printk/printk.c:2432
 printk_stack_address arch/x86/kernel/dumpstack.c:72 [inline]
 show_trace_log_lvl+0x1b7/0x3d0 arch/x86/kernel/dumpstack.c:285
 sched_show_task kernel/sched/core.c:7582 [inline]
 sched_show_task+0x3f0/0x5f0 kernel/sched/core.c:7557
 show_state_filter+0xee/0x320 kernel/sched/core.c:7627
 k_spec drivers/tty/vt/keyboard.c:667 [inline]
 k_spec+0xed/0x150 drivers/tty/vt/keyboard.c:656
 kbd_keycode drivers/tty/vt/keyboard.c:1522 [inline]
 kbd_event+0xcbd/0x17a0 drivers/tty/vt/keyboard.c:1541
 input_handler_events_default+0x116/0x1b0 drivers/input/input.c:2549
 input_pass_values+0x777/0x8e0 drivers/input/input.c:126
 input_event_dispose drivers/input/input.c:352 [inline]
 input_handle_event+0xb30/0x14d0 drivers/input/input.c:369
 input_event drivers/input/input.c:398 [inline]
 input_event+0x83/0xa0 drivers/input/input.c:390
 hidinput_hid_event+0xa12/0x2410 drivers/hid/hid-input.c:1719
 hid_process_event+0x4b7/0x5e0 drivers/hid/hid-core.c:1540
 hid_input_array_field+0x535/0x710 drivers/hid/hid-core.c:1652
 hid_process_report drivers/hid/hid-core.c:1694 [inline]
 hid_report_raw_event+0xa02/0x11c0 drivers/hid/hid-core.c:2040
 __hid_input_report.constprop.0+0x341/0x440 drivers/hid/hid-core.c:2110
 hid_irq_in+0x35e/0x870 drivers/hid/usbhid/hid-core.c:285
 __usb_hcd_giveback_urb+0x389/0x6e0 drivers/usb/core/hcd.c:1650
 usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1734
 dummy_timer+0x17c3/0x38d0 drivers/usb/gadget/udc/dummy_hcd.c:1988
 __run_hrtimer kernel/time/hrtimer.c:1691 [inline]
 __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1755
 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1772
 handle_softirqs+0x206/0x8d0 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu kernel/softirq.c:637 [inline]
 irq_exit_rcu+0xac/0x110 kernel/softirq.c:649
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline]
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1037
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_is_held_type+0x107/0x150 kernel/locking/lockdep.c:5902
Code: 00 00 b8 ff ff ff ff 65 0f c1 05 6c 1b 14 79 83 f8 01 75 2d 9c 58 f6 c4 02 75 43 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 45 31 ed eb
RSP: 0018:ffffc9000188f880 EFLAGS: 00000292
RAX: 0000000000000046 RBX: ffff88811581e280 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8727f4a0 RDI: ffffffff8746ea80
RBP: ffffffff88ebb100 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88811581d7c0
R13: 0000000000000001 R14: 00000000ffffffff R15: 0000000000000001
 unix_write_space+0x3bf/0x510 net/unix/af_unix.c:614
 sock_wfree+0x261/0x880 net/core/sock.c:2571
 unix_destruct_scm+0x138/0x190 net/unix/af_unix.c:1884
 skb_release_head_state+0xa3/0x290 net/core/skbuff.c:1177
 skb_release_all net/core/skbuff.c:1188 [inline]
 __kfree_skb net/core/skbuff.c:1204 [inline]
 consume_skb net/core/skbuff.c:1436 [inline]
 consume_skb+0x85/0x100 net/core/skbuff.c:1430
 __unix_dgram_recvmsg+0x81c/0xdd0 net/unix/af_unix.c:2520
 unix_dgram_recvmsg+0xd0/0x110 net/unix/af_unix.c:2537
 sock_recvmsg_nosec net/socket.c:1051 [inline]
 sock_recvmsg+0x1f6/0x250 net/socket.c:1073
 sock_read_iter+0x2bb/0x3b0 net/socket.c:1143
 new_sync_read fs/read_write.c:488 [inline]
 vfs_read+0xa3b/0xbd0 fs/read_write.c:569
 ksys_read+0x1fa/0x260 fs/read_write.c:712
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fad5264eb6a
Code: 00 3d 00 00 41 00 75 0d 50 48 8d 3d 2d 08 0a 00 e8 ea 7d 01 00 31 c0 e9 07 ff ff ff 64 8b 04 25 18 00 00 00 85 c0 75 1b 0f 05 <48> 3d 00 f0 ff ff 76 6c 48 8b 15 8f a2 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffd73013bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fad5264eb6a
RDX: 00000000000000ff RSI: 0000558cb3ce2300 RDI: 0000000000000000
RBP: 0000558cb3ce22c0 R08: 0000000000000001 R09: 0000000000000000
R10: 00007fad527ed3a3 R11: 0000000000000246 R12: 0000558cb3ce233a
R13: 0000558cb3ce2300 R14: 0000000000000000 R15: 00007fad52831a80
 </TASK>
 mark_lock+0xb5/0xc60 kernel/locking/lockdep.c:4703
 </TASK>
task:modprobe        state:R  running task     stack:23984 pid:13281 tgid:13281 ppid:3239   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f61e5bf5a90
RSP: 002b:00007fff5703b918 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f61e5ce6860 RCX: 00007f61e5bf5a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f61e5ce6860 R08: 0000000000000000 R09: 44d5561a148bbb78
R10: 00007fff5703b7d0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f61e5cea658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13287 tgid:13287 ppid:28     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb648574a90
RSP: 002b:00007fff348393e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fb648665860 RCX: 00007fb648574a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fb648665860 R08: 0000000000000000 R09: 5b1755128607bbbe
R10: 00007fff348392a0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fb648669658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13292 tgid:13292 ppid:11     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:13300 tgid:13300 ppid:11     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:23984 pid:13308 tgid:13308 ppid:3239   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f16a6f36a90
RSP: 002b:00007ffce10f58d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f16a7027860 RCX: 00007f16a6f36a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f16a7027860 R08: 0000000000000000 R09: 47f36b5d79884d58
R10: 00007ffce10f5790 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f16a702b658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13314 tgid:13314 ppid:46     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 hlock_class+0x4e/0x130 kernel/locking/lockdep.c:228
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13318 tgid:13318 ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f24ba0c1a90
RSP: 002b:00007ffc32ec6468 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f24ba1b2860 RCX: 00007f24ba0c1a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f24ba1b2860 R08: 0000000000000000 R09: 4a022225d5b679e0
R10: 00007ffc32ec6320 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f24ba1b6658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:13324 tgid:13324 ppid:3239   flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13326 tgid:13326 ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:13329 tgid:13329 ppid:11     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13333 tgid:13333 ppid:11     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f841a9d3a90
RSP: 002b:00007ffd975a2d48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f841aac4860 RCX: 00007f841a9d3a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f841aac4860 R08: 0000000000000000 R09: eb90073b45a653f6
R10: 00007ffd975a2c00 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f841aac8658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:13337 tgid:13337 ppid:11     flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f994f36aa90
RSP: 002b:00007fff2dbfc2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f994f45b860 RCX: 00007f994f36aa90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f994f45b860 R08: 0000000000000000 R09: 9643734d17b461ed
R10: 00007fff2dbfc1a0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f994f45f658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:23984 pid:13344 tgid:13344 ppid:3239   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13352 tgid:13352 ppid:3239   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7192
 _cond_resched include/linux/sched.h:2031 [inline]
 task_work_run+0x16e/0x250 kernel/task_work.c:230
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f24987dca90
RSP: 002b:00007ffc97709fd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f24988cd860 RCX: 00007f24987dca90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f24988cd860 R08: 0000000000000000 R09: cbf2356d90041953
R10: 00007ffc97709e90 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f24988d1658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:23984 pid:13359 tgid:13359 ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13367 tgid:13367 ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13370 tgid:13370 ppid:11     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff58cd90a90
RSP: 002b:00007ffc39296c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007ff58ce81860 RCX: 00007ff58cd90a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007ff58ce81860 R08: 0000000000000000 R09: 9168f9c929db4866
R10: 00007ffc39296ad0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ff58ce85658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13375 tgid:13375 ppid:3239   flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13377 tgid:13377 ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:13382 tgid:13382 ppid:11     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:24416 pid:13385 tgid:13385 ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13391 tgid:13391 ppid:28     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 __pfx_lock_release+0x10/0x10 kernel/locking/lockdep.c:5346
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13395 tgid:13395 ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9e4a5dba90
RSP: 002b:00007ffd05aa5d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f9e4a6cc860 RCX: 00007f9e4a5dba90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f9e4a6cc860 R08: 0000000000000000 R09: b4967c099e5c46be
R10: 00007ffd05aa5be0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f9e4a6d0658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:13401 tgid:13401 ppid:28     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13406 tgid:13406 ppid:11     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13414 tgid:13414 ppid:11     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13422 tgid:13422 ppid:11     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:13428 tgid:13428 ppid:3239   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f382e1a5a90
RSP: 002b:00007ffc8eb612c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f382e296860 RCX: 00007f382e1a5a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f382e296860 R08: 0000000000000000 R09: d64c74a0b049fb79
R10: 00007ffc8eb61180 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f382e29a658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13433 tgid:13433 ppid:11     flags:0x00000000
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13434 tgid:13434 ppid:28     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13441 tgid:13441 ppid:46     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7192
 _cond_resched include/linux/sched.h:2031 [inline]
 exit_mmap+0x4fc/0xb30 mm/mmap.c:1890
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13447 tgid:13447 ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7192
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13451 tgid:13451 ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7192
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13455 tgid:13455 ppid:46     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7192
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13459 tgid:13459 ppid:3239   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff8f5e92a90
RSP: 002b:00007ffc2f1377f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007ff8f5f83860 RCX: 00007ff8f5e92a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007ff8f5f83860 R08: 0000000000000000 R09: 371f7c1efe45cbb0
R10: 00007ffc2f1376b0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ff8f5f87658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13465 tgid:13465 ppid:28     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:23984 pid:13467 tgid:13467 ppid:3239   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4c0d7d0a90
RSP: 002b:00007ffdedd37a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f4c0d8c1860 RCX: 00007f4c0d7d0a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f4c0d8c1860 R08: 0000000000000000 R09: be2b8ab32b644778
R10: 00007ffdedd378e0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f4c0d8c5658 R15: 0000000000000001
 </TASK>
task:kworker/u8:0    state:R  running task     stack:32568 pid:13470 tgid:13470 ppid:11     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13474 tgid:13474 ppid:1174   flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:13482 tgid:13482 ppid:1174   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13488 tgid:13488 ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13489 tgid:13489 ppid:1174   flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:13497 tgid:13497 ppid:1174   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13500 tgid:13500 ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25344 pid:13508 tgid:13508 ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:13512 tgid:13512 ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:13514 tgid:13514 ppid:1174   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:kworker/u8:1    state:R  running task     stack:28784 pid:13517 tgid:13517 ppid:28     flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7192
 _cond_resched include/linux/sched.h:2031 [inline]
 stop_one_cpu+0x112/0x190 kernel/stop_machine.c:151
 sched_exec+0x1dc/0x270 kernel/sched/core.c:5446
 bprm_execve fs/exec.c:1838 [inline]
 bprm_execve+0x46c/0x1950 fs/exec.c:1821
 kernel_execve+0x2ef/0x3b0 fs/exec.c:2012
 call_usermodehelper_exec_async+0x255/0x4c0 kernel/umh.c:110
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:13521 tgid:13521 ppid:3239   flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:13529 tgid:13529 ppid:46     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:13533 tgid:13533 ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:modprobe        state:R  running task     stack:23984 pid:13539 tgid:13539 ppid:1174   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbcd9d63a90
RSP: 002b:00007ffd31d74258 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fbcd9e54860 RCX: 00007fbcd9d63a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fbcd9e54860 R08: 0000000000000000 R09: 0d6577b1883d1c09
R10: 00007ffd31d74110 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fbcd9e58658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:13540 tgid:13540 ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:13543 tgid:13543 ppid:1174   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 __schedule_loop kernel/sched/core.c:6752 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6767
 exit_to_user_mode_loop kernel/entry/common.c:102 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 irqentry_exit_to_user_mode+0xdb/0x240 kernel/entry/common.c:231
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f3348f4cdd0
RSP: 002b:00007fffb4591c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f3348fd2860 RCX: 00007f3348ee1a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f3348fd2860 R08: 0000000000000000 R09: 46e1ee6762a44064
R10: 00007fffb4591b30 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f3348fd6658 R15: 0000000000000001
 </TASK>
task:kworker/u8:1    state:R  running task     stack:32568 pid:13547 tgid:13547 ppid:28     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:kworker/u8:8    state:R  running task     stack:32568 pid:13553 tgid:13553 ppid:3239   flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25344 pid:13554 tgid:13554 ppid:1174   flags:0x00000002
Call Trace:
 <TASK>

Crashes (5):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/10/01 20:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 9852d85ec9d4 ea2b66a6 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in unix_dgram_recvmsg
2024/09/27 17:06 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 075dbe9f6e3c 9314348a .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in unix_dgram_recvmsg
2024/10/09 00:00 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4a9fe2a8ac53 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in unix_dgram_recvmsg
2024/10/08 14:36 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4a9fe2a8ac53 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in unix_dgram_recvmsg
2024/10/07 06:06 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4a9fe2a8ac53 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in unix_dgram_recvmsg
* Struck through repros no longer work on HEAD.