FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
======================================================
WARNING: possible circular locking dependency detected
6.11.0-syzkaller-02574-ga430d95c5efa #0 Not tainted
------------------------------------------------------
syz.4.455/8331 is trying to acquire lock:
ffffffff8dcc7e40 (console_owner){-.-.}-{0:0}, at: console_lock_spinning_enable kernel/printk/printk.c:1873 [inline]
ffffffff8dcc7e40 (console_owner){-.-.}-{0:0}, at: console_emit_next_record kernel/printk/printk.c:2978 [inline]
ffffffff8dcc7e40 (console_owner){-.-.}-{0:0}, at: console_flush_all+0x4ff/0xd70 kernel/printk/printk.c:3050
but task is already holding lock:
ffff8880b883eb98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:568 [inline]
ffff8880b883eb98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x7e/0x130 kernel/sched/core.c:553
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #4 (&rq->__lock){-.-.}-{2:2}:
_raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378
raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:560
raw_spin_rq_lock kernel/sched/sched.h:1415 [inline]
rq_lock kernel/sched/sched.h:1714 [inline]
task_fork_fair+0x73/0x250 kernel/sched/fair.c:12710
sched_cgroup_fork+0x3cf/0x510 kernel/sched/core.c:4633
copy_process+0x439b/0x8dd0 kernel/fork.c:2483
kernel_clone+0xfd/0x960 kernel/fork.c:2781
user_mode_thread+0xb4/0xf0 kernel/fork.c:2859
rest_init+0x23/0x2b0 init/main.c:712
start_kernel+0x3e4/0x4d0 init/main.c:1105
x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:507
x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:488
common_startup_64+0x13e/0x148
-> #3 (&p->pi_lock){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:551 [inline]
try_to_wake_up+0x9a/0x13e0 kernel/sched/core.c:4051
__wake_up_common+0x131/0x1e0 kernel/sched/wait.c:89
__wake_up_common_lock kernel/sched/wait.c:106 [inline]
__wake_up+0x31/0x60 kernel/sched/wait.c:127
tty_port_default_wakeup+0x2a/0x40 drivers/tty/tty_port.c:69
serial8250_tx_chars+0x68e/0x860 drivers/tty/serial/8250/8250_port.c:1821
serial8250_handle_irq+0x5d3/0x780 drivers/tty/serial/8250/8250_port.c:1929
serial8250_default_handle_irq+0x9a/0x210 drivers/tty/serial/8250/8250_port.c:1949
serial8250_interrupt+0x103/0x210 drivers/tty/serial/8250/8250_core.c:86
__handle_irq_event_percpu+0x229/0x7c0 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0xab/0x1e0 kernel/irq/handle.c:210
handle_edge_irq+0x263/0xd10 kernel/irq/chip.c:831
generic_handle_irq_desc include/linux/irqdesc.h:173 [inline]
handle_irq arch/x86/kernel/irq.c:247 [inline]
call_irq_handler arch/x86/kernel/irq.c:259 [inline]
__common_interrupt+0xdf/0x250 arch/x86/kernel/irq.c:285
common_interrupt+0xab/0xd0 arch/x86/kernel/irq.c:278
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
orc_find arch/x86/kernel/unwind_orc.c:217 [inline]
unwind_next_frame+0x26b/0x23a0 arch/x86/kernel/unwind_orc.c:494
arch_stack_walk+0x100/0x170 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:579
poison_slab_object+0xf7/0x160 mm/kasan/common.c:240
__kasan_slab_free+0x32/0x50 mm/kasan/common.c:256
kasan_slab_free include/linux/kasan.h:184 [inline]
slab_free_hook mm/slub.c:2250 [inline]
slab_free mm/slub.c:4474 [inline]
kfree+0x12a/0x3b0 mm/slub.c:4595
load_elf_binary+0x4e9/0x4d80 fs/binfmt_elf.c:894
search_binary_handler fs/exec.c:1820 [inline]
exec_binprm fs/exec.c:1862 [inline]
bprm_execve fs/exec.c:1913 [inline]
bprm_execve+0x703/0x1960 fs/exec.c:1889
do_execveat_common.isra.0+0x4f1/0x630 fs/exec.c:2020
do_execve fs/exec.c:2094 [inline]
__do_sys_execve fs/exec.c:2170 [inline]
__se_sys_execve fs/exec.c:2165 [inline]
__x64_sys_execve+0x8c/0xb0 fs/exec.c:2165
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
-> #2 (&tty->write_wait){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
__wake_up_common_lock kernel/sched/wait.c:105 [inline]
__wake_up+0x1c/0x60 kernel/sched/wait.c:127
tty_port_default_wakeup+0x2a/0x40 drivers/tty/tty_port.c:69
serial8250_tx_chars+0x68e/0x860 drivers/tty/serial/8250/8250_port.c:1821
serial8250_handle_irq+0x5d3/0x780 drivers/tty/serial/8250/8250_port.c:1929
serial8250_default_handle_irq+0x9a/0x210 drivers/tty/serial/8250/8250_port.c:1949
serial8250_interrupt+0x103/0x210 drivers/tty/serial/8250/8250_core.c:86
__handle_irq_event_percpu+0x229/0x7c0 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0xab/0x1e0 kernel/irq/handle.c:210
handle_edge_irq+0x263/0xd10 kernel/irq/chip.c:831
generic_handle_irq_desc include/linux/irqdesc.h:173 [inline]
handle_irq arch/x86/kernel/irq.c:247 [inline]
call_irq_handler arch/x86/kernel/irq.c:259 [inline]
__common_interrupt+0xdf/0x250 arch/x86/kernel/irq.c:285
common_interrupt+0xab/0xd0 arch/x86/kernel/irq.c:278
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194
spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
uart_port_unlock_irqrestore include/linux/serial_core.h:669 [inline]
uart_write+0x19d/0x3d0 drivers/tty/serial/serial_core.c:634
process_output_block drivers/tty/n_tty.c:574 [inline]
n_tty_write+0x419/0x1140 drivers/tty/n_tty.c:2389
iterate_tty_write drivers/tty/tty_io.c:1021 [inline]
file_tty_write.constprop.0+0x506/0x9a0 drivers/tty/tty_io.c:1096
tty_write drivers/tty/tty_io.c:1117 [inline]
redirected_tty_write drivers/tty/tty_io.c:1140 [inline]
redirected_tty_write+0xcc/0x140 drivers/tty/tty_io.c:1120
new_sync_write fs/read_write.c:590 [inline]
vfs_write+0x6b5/0x1140 fs/read_write.c:683
ksys_write+0x12f/0x260 fs/read_write.c:736
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
-> #1 (&port_lock_key){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
uart_port_lock_irqsave include/linux/serial_core.h:618 [inline]
serial8250_console_write+0xaa6/0x1090 drivers/tty/serial/8250/8250_port.c:3352
console_emit_next_record kernel/printk/printk.c:2984 [inline]
console_flush_all+0x53f/0xd70 kernel/printk/printk.c:3050
console_unlock+0xae/0x290 kernel/printk/printk.c:3119
vprintk_emit+0x409/0x600 kernel/printk/printk.c:2348
vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:45
_printk+0xc8/0x100 kernel/printk/printk.c:2373
register_console+0xaa2/0x10a0 kernel/printk/printk.c:3655
univ8250_console_init+0x5f/0x90 drivers/tty/serial/8250/8250_core.c:513
console_init+0xcc/0x680 kernel/printk/printk.c:3801
start_kernel+0x29a/0x4d0 init/main.c:1040
x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:507
x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:488
common_startup_64+0x13e/0x148
-> #0 (console_owner){-.-.}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3133 [inline]
check_prevs_add kernel/locking/lockdep.c:3252 [inline]
validate_chain kernel/locking/lockdep.c:3868 [inline]
__lock_acquire+0x24ed/0x3cb0 kernel/locking/lockdep.c:5142
lock_acquire kernel/locking/lockdep.c:5759 [inline]
lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5724
console_lock_spinning_enable kernel/printk/printk.c:1873 [inline]
console_emit_next_record kernel/printk/printk.c:2978 [inline]
console_flush_all+0x514/0xd70 kernel/printk/printk.c:3050
console_unlock+0xae/0x290 kernel/printk/printk.c:3119
vprintk_emit+0x409/0x600 kernel/printk/printk.c:2348
vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:45
_printk+0xc8/0x100 kernel/printk/printk.c:2373
fail_dump lib/fault-inject.c:45 [inline]
should_fail_ex+0x46c/0x5b0 lib/fault-inject.c:153
strncpy_from_user+0x38/0x320 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x7f/0x180 mm/maccess.c:186
bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:216 [inline]
____bpf_probe_read_user_str kernel/trace/bpf_trace.c:225 [inline]
bpf_probe_read_user_str+0x26/0x70 kernel/trace/bpf_trace.c:222
bpf_prog_bc7c5c6b9645592f+0x3d/0x3f
bpf_dispatcher_nop_func include/linux/bpf.h:1243 [inline]
__bpf_prog_run include/linux/filter.h:691 [inline]
bpf_prog_run include/linux/filter.h:698 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2406 [inline]
bpf_trace_run4+0x245/0x5a0 kernel/trace/bpf_trace.c:2449
__bpf_trace_sched_switch+0x13e/0x190 include/trace/events/sched.h:222
__traceiter_sched_switch+0x6c/0xc0 include/trace/events/sched.h:222
trace_sched_switch include/trace/events/sched.h:222 [inline]
__schedule+0x17cf/0x5490 kernel/sched/core.c:6526
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:6851
irqentry_exit+0x36/0x90 kernel/entry/common.c:354
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
__nf_register_net_hook+0x45d/0x730 net/netfilter/core.c:428
nf_register_net_hook+0x109/0x160 net/netfilter/core.c:578
nf_register_net_hooks+0x5d/0xd0 net/netfilter/core.c:594
ip_vs_register_hooks+0xe7/0x150 net/netfilter/ipvs/ip_vs_core.c:2253
ip_vs_add_service+0xd58/0x1550 net/netfilter/ipvs/ip_vs_ctl.c:1418
do_ip_vs_set_ctl+0xed7/0x11c0 net/netfilter/ipvs/ip_vs_ctl.c:2807
nf_setsockopt+0x8a/0xf0 net/netfilter/nf_sockopt.c:101
ip_setsockopt+0xcb/0xf0 net/ipv4/ip_sockglue.c:1424
raw_setsockopt+0xb8/0x290 net/ipv4/raw.c:845
do_sock_setsockopt+0x222/0x480 net/socket.c:2330
__sys_setsockopt+0x1a4/0x270 net/socket.c:2353
__do_sys_setsockopt net/socket.c:2362 [inline]
__se_sys_setsockopt net/socket.c:2359 [inline]
__x64_sys_setsockopt+0xbd/0x160 net/socket.c:2359
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
other info that might help us debug this:
Chain exists of:
console_owner --> &p->pi_lock --> &rq->__lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&rq->__lock);
lock(&p->pi_lock);
lock(&rq->__lock);
lock(console_owner);
*** DEADLOCK ***
6 locks held by syz.4.455/8331:
#0: ffffffff8fc0ef08 (__ip_vs_mutex){+.+.}-{3:3}, at: do_ip_vs_set_ctl+0x46d/0x11c0 net/netfilter/ipvs/ip_vs_ctl.c:2739
#1: ffffffff8fb73fc8 (nf_hook_mutex){+.+.}-{3:3}, at: __nf_register_net_hook+0x184/0x730 net/netfilter/core.c:432
#2: ffff8880b883eb98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:568 [inline]
#2: ffff8880b883eb98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x7e/0x130 kernel/sched/core.c:553
#3: ffffffff8ddba6a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:326 [inline]
#3: ffffffff8ddba6a0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline]
#3: ffffffff8ddba6a0 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2405 [inline]
#3: ffffffff8ddba6a0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run4+0x1d6/0x5a0 kernel/trace/bpf_trace.c:2449
#4: ffffffff8dda8280 (console_lock){+.+.}-{0:0}, at: vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:45
#5: ffffffff8dda82f0 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:331 [inline]
#5: ffffffff8dda82f0 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:267 [inline]
#5: ffffffff8dda82f0 (console_srcu){....}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:286 [inline]
#5: ffffffff8dda82f0 (console_srcu){....}-{0:0}, at: console_flush_all+0x12d/0xd70 kernel/printk/printk.c:3042
stack backtrace:
CPU: 0 UID: 0 PID: 8331 Comm: syz.4.455 Not tainted 6.11.0-syzkaller-02574-ga430d95c5efa #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
__dump_stack lib/dump_stack.c:93 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:119
check_noncircular+0x31a/0x400 kernel/locking/lockdep.c:2186
check_prev_add kernel/locking/lockdep.c:3133 [inline]
check_prevs_add kernel/locking/lockdep.c:3252 [inline]
validate_chain kernel/locking/lockdep.c:3868 [inline]
__lock_acquire+0x24ed/0x3cb0 kernel/locking/lockdep.c:5142
lock_acquire kernel/locking/lockdep.c:5759 [inline]
lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5724
console_lock_spinning_enable kernel/printk/printk.c:1873 [inline]
console_emit_next_record kernel/printk/printk.c:2978 [inline]
console_flush_all+0x514/0xd70 kernel/printk/printk.c:3050
console_unlock+0xae/0x290 kernel/printk/printk.c:3119
vprintk_emit+0x409/0x600 kernel/printk/printk.c:2348
vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:45
_printk+0xc8/0x100 kernel/printk/printk.c:2373
fail_dump lib/fault-inject.c:45 [inline]
should_fail_ex+0x46c/0x5b0 lib/fault-inject.c:153
strncpy_from_user+0x38/0x320 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x7f/0x180 mm/maccess.c:186
bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:216 [inline]
____bpf_probe_read_user_str kernel/trace/bpf_trace.c:225 [inline]
bpf_probe_read_user_str+0x26/0x70 kernel/trace/bpf_trace.c:222
bpf_prog_bc7c5c6b9645592f+0x3d/0x3f
bpf_dispatcher_nop_func include/linux/bpf.h:1243 [inline]
__bpf_prog_run include/linux/filter.h:691 [inline]
bpf_prog_run include/linux/filter.h:698 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2406 [inline]
bpf_trace_run4+0x245/0x5a0 kernel/trace/bpf_trace.c:2449
__bpf_trace_sched_switch+0x13e/0x190 include/trace/events/sched.h:222
__traceiter_sched_switch+0x6c/0xc0 include/trace/events/sched.h:222
trace_sched_switch include/trace/events/sched.h:222 [inline]
__schedule+0x17cf/0x5490 kernel/sched/core.c:6526
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:6851
irqentry_exit+0x36/0x90 kernel/entry/common.c:354
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:lock_is_held include/linux/lockdep.h:249 [inline]
RIP: 0010:__nf_register_net_hook+0x45d/0x730 net/netfilter/core.c:434
Code: 0f b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 0f 8c e8 fc ff ff 84 d2 0f 84 e0 fc ff ff 4c 89 f7 e8 28 39 b5 f8 e9 d3 fc ff ff 1e 7d 56 f8 be ff ff ff ff 48 c7 c7 c8 3f b7 8f e8 dd ae e2 01
RSP: 0018:ffffc9000324f7d8 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffffffff8c8601c0 RCX: ffffffff893558f5
RDX: ffff88802ef58000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: ffff888062bdaed8 R14: ffffffff8c8601dc R15: ffff888062bd9dc0
nf_register_net_hook+0x109/0x160 net/netfilter/core.c:578
nf_register_net_hooks+0x5d/0xd0 net/netfilter/core.c:594
ip_vs_register_hooks+0xe7/0x150 net/netfilter/ipvs/ip_vs_core.c:2253
ip_vs_add_service+0xd58/0x1550 net/netfilter/ipvs/ip_vs_ctl.c:1418
do_ip_vs_set_ctl+0xed7/0x11c0 net/netfilter/ipvs/ip_vs_ctl.c:2807
nf_setsockopt+0x8a/0xf0 net/netfilter/nf_sockopt.c:101
ip_setsockopt+0xcb/0xf0 net/ipv4/ip_sockglue.c:1424
raw_setsockopt+0xb8/0x290 net/ipv4/raw.c:845
do_sock_setsockopt+0x222/0x480 net/socket.c:2330
__sys_setsockopt+0x1a4/0x270 net/socket.c:2353
__do_sys_setsockopt net/socket.c:2362 [inline]
__se_sys_setsockopt net/socket.c:2359 [inline]
__x64_sys_setsockopt+0xbd/0x160 net/socket.c:2359
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: 0033:0x7fe8fb97def9
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:00007fe8fc724038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fe8fbb36130 RCX: 00007fe8fb97def9
RDX: 0000000000000482 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 00007fe8fc724090 R08: 000000000000002c R09: 0000000000000000
R10: 0000000020000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007fe8fbb36130 R15: 00007ffea2ad89d8
CPU: 0 UID: 0 PID: 8331 Comm: syz.4.455 Not tainted 6.11.0-syzkaller-02574-ga430d95c5efa #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
__dump_stack lib/dump_stack.c:93 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:119
fail_dump lib/fault-inject.c:52 [inline]
should_fail_ex+0x497/0x5b0 lib/fault-inject.c:153
strncpy_from_user+0x38/0x320 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x7f/0x180 mm/maccess.c:186
bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:216 [inline]
____bpf_probe_read_user_str kernel/trace/bpf_trace.c:225 [inline]
bpf_probe_read_user_str+0x26/0x70 kernel/trace/bpf_trace.c:222
bpf_prog_bc7c5c6b9645592f+0x3d/0x3f
bpf_dispatcher_nop_func include/linux/bpf.h:1243 [inline]
__bpf_prog_run include/linux/filter.h:691 [inline]
bpf_prog_run include/linux/filter.h:698 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2406 [inline]
bpf_trace_run4+0x245/0x5a0 kernel/trace/bpf_trace.c:2449
__bpf_trace_sched_switch+0x13e/0x190 include/trace/events/sched.h:222
__traceiter_sched_switch+0x6c/0xc0 include/trace/events/sched.h:222
trace_sched_switch include/trace/events/sched.h:222 [inline]
__schedule+0x17cf/0x5490 kernel/sched/core.c:6526
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:6851
irqentry_exit+0x36/0x90 kernel/entry/common.c:354
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:lock_is_held include/linux/lockdep.h:249 [inline]
RIP: 0010:__nf_register_net_hook+0x45d/0x730 net/netfilter/core.c:434
Code: 0f b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 0f 8c e8 fc ff ff 84 d2 0f 84 e0 fc ff ff 4c 89 f7 e8 28 39 b5 f8 e9 d3 fc ff ff 1e 7d 56 f8 be ff ff ff ff 48 c7 c7 c8 3f b7 8f e8 dd ae e2 01
RSP: 0018:ffffc9000324f7d8 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffffffff8c8601c0 RCX: ffffffff893558f5
RDX: ffff88802ef58000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: ffff888062bdaed8 R14: ffffffff8c8601dc R15: ffff888062bd9dc0
nf_register_net_hook+0x109/0x160 net/netfilter/core.c:578
nf_register_net_hooks+0x5d/0xd0 net/netfilter/core.c:594
ip_vs_register_hooks+0xe7/0x150 net/netfilter/ipvs/ip_vs_core.c:2253
ip_vs_add_service+0xd58/0x1550 net/netfilter/ipvs/ip_vs_ctl.c:1418
do_ip_vs_set_ctl+0xed7/0x11c0 net/netfilter/ipvs/ip_vs_ctl.c:2807
nf_setsockopt+0x8a/0xf0 net/netfilter/nf_sockopt.c:101
ip_setsockopt+0xcb/0xf0 net/ipv4/ip_sockglue.c:1424
raw_setsockopt+0xb8/0x290 net/ipv4/raw.c:845
do_sock_setsockopt+0x222/0x480 net/socket.c:2330
__sys_setsockopt+0x1a4/0x270 net/socket.c:2353
__do_sys_setsockopt net/socket.c:2362 [inline]
__se_sys_setsockopt net/socket.c:2359 [inline]
__x64_sys_setsockopt+0xbd/0x160 net/socket.c:2359
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: 0033:0x7fe8fb97def9
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:00007fe8fc724038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fe8fbb36130 RCX: 00007fe8fb97def9
RDX: 0000000000000482 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 00007fe8fc724090 R08: 000000000000002c R09: 0000000000000000
R10: 0000000020000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007fe8fbb36130 R15: 00007ffea2ad89d8
----------------
Code disassembly (best guess):
0: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx
4: 4c 89 f0 mov %r14,%rax
7: 83 e0 07 and $0x7,%eax
a: 83 c0 03 add $0x3,%eax
d: 38 d0 cmp %dl,%al
f: 0f 8c e8 fc ff ff jl 0xfffffcfd
15: 84 d2 test %dl,%dl
17: 0f 84 e0 fc ff ff je 0xfffffcfd
1d: 4c 89 f7 mov %r14,%rdi
20: e8 28 39 b5 f8 call 0xf8b5394d
25: e9 d3 fc ff ff jmp 0xfffffcfd
* 2a: e8 1e 7d 56 f8 call 0xf8567d4d <-- trapping instruction
2f: be ff ff ff ff mov $0xffffffff,%esi
34: 48 c7 c7 c8 3f b7 8f mov $0xffffffff8fb73fc8,%rdi
3b: e8 dd ae e2 01 call 0x1e2af1d