FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.3.1606/9450 is trying to acquire lock:
ffffffff8cb1eda0 (console_owner){-...}-{0:0}, at: console_lock_spinning_enable kernel/printk/printk.c:1818 [inline]
ffffffff8cb1eda0 (console_owner){-...}-{0:0}, at: console_emit_next_record+0x82d/0xc90 kernel/printk/printk.c:2774
but task is already holding lock:
ffff8880b8e3aad8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:537
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+0x2e/0x40 kernel/locking/spinlock.c:378
raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:537
raw_spin_rq_lock kernel/sched/sched.h:1355 [inline]
rq_lock kernel/sched/sched.h:1645 [inline]
task_fork_fair+0x5c/0x350 kernel/sched/fair.c:11901
sched_cgroup_fork+0x32c/0x3c0 kernel/sched/core.c:4685
copy_process+0x24b8/0x4020 kernel/fork.c:2459
kernel_clone+0x225/0x8b0 kernel/fork.c:2757
user_mode_thread+0xda/0x130 kernel/fork.c:2833
rest_init+0x23/0x300 init/main.c:698
start_kernel+0x0/0x539 init/main.c:893
start_kernel+0x490/0x539 init/main.c:1140
secondary_startup_64_no_verify+0xcf/0xdb
-> #3 (&p->pi_lock){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xa4/0xf0 kernel/locking/spinlock.c:162
try_to_wake_up+0x5c/0x1080 kernel/sched/core.c:4111
__wake_up_common+0x2a4/0x4e0 kernel/sched/wait.c:107
__wake_up_common_lock kernel/sched/wait.c:138 [inline]
__wake_up+0x10e/0x190 kernel/sched/wait.c:160
tty_port_default_wakeup+0x9e/0xf0 drivers/tty/tty_port.c:71
serial8250_tx_chars+0x629/0x830 drivers/tty/serial/8250/8250_port.c:1854
serial8250_handle_irq+0x516/0x6d0 drivers/tty/serial/8250/8250_port.c:1961
serial8250_default_handle_irq+0xb4/0x1a0 drivers/tty/serial/8250/8250_port.c:1981
serial8250_interrupt+0x9b/0x1c0 drivers/tty/serial/8250/8250_core.c:126
__handle_irq_event_percpu+0x298/0xa30 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0x87/0x1e0 kernel/irq/handle.c:210
handle_edge_irq+0x243/0xb20 kernel/irq/chip.c:819
generic_handle_irq_desc include/linux/irqdesc.h:158 [inline]
handle_irq arch/x86/kernel/irq.c:233 [inline]
__common_interrupt+0xd7/0x1e0 arch/x86/kernel/irq.c:252
common_interrupt+0xb0/0xd0 arch/x86/kernel/irq.c:242
asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:682
native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
default_idle+0xb/0x10 arch/x86/kernel/process.c:741
default_idle_call+0x84/0xc0 kernel/sched/idle.c:109
cpuidle_idle_call kernel/sched/idle.c:191 [inline]
do_idle+0x1fc/0x570 kernel/sched/idle.c:303
cpu_startup_entry+0x3f/0x60 kernel/sched/idle.c:401
start_secondary+0xe4/0xf0 arch/x86/kernel/smpboot.c:281
secondary_startup_64_no_verify+0xcf/0xdb
-> #2 (&tty->write_wait){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xa4/0xf0 kernel/locking/spinlock.c:162
__wake_up_common_lock kernel/sched/wait.c:137 [inline]
__wake_up+0xf4/0x190 kernel/sched/wait.c:160
tty_port_default_wakeup+0x9e/0xf0 drivers/tty/tty_port.c:71
serial8250_tx_chars+0x629/0x830 drivers/tty/serial/8250/8250_port.c:1854
serial8250_handle_irq+0x516/0x6d0 drivers/tty/serial/8250/8250_port.c:1961
serial8250_default_handle_irq+0xb4/0x1a0 drivers/tty/serial/8250/8250_port.c:1981
serial8250_interrupt+0x9b/0x1c0 drivers/tty/serial/8250/8250_core.c:126
__handle_irq_event_percpu+0x298/0xa30 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0x87/0x1e0 kernel/irq/handle.c:210
handle_edge_irq+0x243/0xb20 kernel/irq/chip.c:819
generic_handle_irq_desc include/linux/irqdesc.h:158 [inline]
handle_irq arch/x86/kernel/irq.c:233 [inline]
__common_interrupt+0xd7/0x1e0 arch/x86/kernel/irq.c:252
common_interrupt+0xb0/0xd0 arch/x86/kernel/irq.c:242
asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:682
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
_raw_spin_unlock_irqrestore+0xa5/0x100 kernel/locking/spinlock.c:194
spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
uart_write+0x68a/0x910 drivers/tty/serial/serial_core.c:602
process_output_block drivers/tty/n_tty.c:586 [inline]
n_tty_write+0xd1a/0x11c0 drivers/tty/n_tty.c:2377
do_tty_write drivers/tty/tty_io.c:1018 [inline]
file_tty_write+0x4dd/0x860 drivers/tty/tty_io.c:1089
call_write_iter include/linux/fs.h:2265 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x44c/0x960 fs/read_write.c:584
ksys_write+0x143/0x240 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #1 (&port_lock_key){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xa4/0xf0 kernel/locking/spinlock.c:162
serial8250_console_write+0x169/0x17a0 drivers/tty/serial/8250/8250_port.c:3432
call_console_driver kernel/printk/printk.c:1977 [inline]
console_emit_next_record+0x947/0xc90 kernel/printk/printk.c:2777
console_flush_all kernel/printk/printk.c:-1 [inline]
console_unlock+0x223/0x630 kernel/printk/printk.c:2906
vprintk_emit+0x489/0x680 kernel/printk/printk.c:2303
_printk+0xcc/0x110 kernel/printk/printk.c:2328
register_console+0x6c6/0x9c0 kernel/printk/printk.c:3269
univ8250_console_init+0x41/0x43 drivers/tty/serial/8250/8250_core.c:687
console_init+0x1bc/0x78e kernel/printk/printk.c:3359
start_kernel+0x303/0x539 init/main.c:1076
secondary_startup_64_no_verify+0xcf/0xdb
-> #0 (console_owner){-...}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3090 [inline]
check_prevs_add kernel/locking/lockdep.c:3209 [inline]
validate_chain kernel/locking/lockdep.c:3825 [inline]
__lock_acquire+0x2cf8/0x7c50 kernel/locking/lockdep.c:5049
lock_acquire+0x1b4/0x490 kernel/locking/lockdep.c:5662
console_lock_spinning_enable kernel/printk/printk.c:1818 [inline]
console_emit_next_record+0x84c/0xc90 kernel/printk/printk.c:2774
console_flush_all kernel/printk/printk.c:-1 [inline]
console_unlock+0x223/0x630 kernel/printk/printk.c:2906
vprintk_emit+0x489/0x680 kernel/printk/printk.c:2303
_printk+0xcc/0x110 kernel/printk/printk.c:2328
fail_dump lib/fault-inject.c:45 [inline]
should_fail_ex+0x37a/0x4d0 lib/fault-inject.c:147
strncpy_from_user+0x32/0x350 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x6d/0x140 mm/maccess.c:186
bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:204 [inline]
____bpf_probe_read_compat_str kernel/trace/bpf_trace.c:310 [inline]
bpf_probe_read_compat_str+0xdd/0x170 kernel/trace/bpf_trace.c:306
bpf_prog_5646b9e3b5361e32+0x6c/0x70
bpf_dispatcher_nop_func include/linux/bpf.h:1011 [inline]
__bpf_prog_run include/linux/filter.h:603 [inline]
bpf_prog_run include/linux/filter.h:610 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2285 [inline]
bpf_trace_run2+0x1cd/0x3b0 kernel/trace/bpf_trace.c:2324
trace_tlb_flush+0x143/0x190 include/trace/events/tlb.h:38
switch_mm_irqs_off+0x758/0xb10 arch/x86/mm/tlb.c:-1
context_switch kernel/sched/core.c:5229 [inline]
__schedule+0xe99/0x40b0 kernel/sched/core.c:6561
preempt_schedule_irq+0xb1/0x150 kernel/sched/core.c:6873
irqentry_exit+0x63/0x70 kernel/entry/common.c:439
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
rcu_read_unlock include/linux/rcupdate.h:820 [inline]
mptcp_diag_dump_listeners net/mptcp/mptcp_diag.c:142 [inline]
mptcp_diag_dump+0xf40/0x1310 net/mptcp/mptcp_diag.c:197
__inet_diag_dump+0x1f6/0x380 net/ipv4/inet_diag.c:1179
inet_diag_dump_compat+0x161/0x200 net/ipv4/inet_diag.c:1288
netlink_dump+0x675/0xcd0 net/netlink/af_netlink.c:2236
__netlink_dump_start+0x537/0x6f0 net/netlink/af_netlink.c:2338
netlink_dump_start include/linux/netlink.h:269 [inline]
inet_diag_rcv_msg_compat+0x1e9/0x3c0 net/ipv4/inet_diag.c:1323
sock_diag_rcv_msg+0x3cc/0x5f0 net/core/sock_diag.c:-1
netlink_rcv_skb+0x1de/0x420 net/netlink/af_netlink.c:2511
sock_diag_rcv+0x26/0x40 net/core/sock_diag.c:295
netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
netlink_unicast+0x74d/0x8d0 net/netlink/af_netlink.c:1344
netlink_sendmsg+0x89e/0xbc0 net/netlink/af_netlink.c:1872
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
____sys_sendmsg+0x59b/0x970 net/socket.c:2519
___sys_sendmsg+0x21c/0x290 net/socket.c:2573
__sys_sendmsg net/socket.c:2602 [inline]
__do_sys_sendmsg net/socket.c:2611 [inline]
__se_sys_sendmsg+0x19e/0x270 net/socket.c:2609
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
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 ***
7 locks held by syz.3.1606/9450:
#0: ffffffff8dd4caa8 (sock_diag_mutex){+.+.}-{3:3}, at: sock_diag_rcv+0x17/0x40 net/core/sock_diag.c:294
#1: ffff88807a55c698 (nlk_cb_mutex-SOCK_DIAG){+.+.}-{3:3}, at: __netlink_dump_start+0x11f/0x6f0 net/netlink/af_netlink.c:2305
#2: ffffffff8de2e248 (inet_diag_table_mutex){+.+.}-{3:3}, at: inet_diag_lock_handler net/ipv4/inet_diag.c:63 [inline]
#2: ffffffff8de2e248 (inet_diag_table_mutex){+.+.}-{3:3}, at: __inet_diag_dump+0x181/0x380 net/ipv4/inet_diag.c:1177
#3: ffffffff8cb2abe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
#3: ffffffff8cb2abe0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline]
#3: ffffffff8cb2abe0 (rcu_read_lock){....}-{1:2}, at: mptcp_diag_dump_listeners net/mptcp/mptcp_diag.c:97 [inline]
#3: ffffffff8cb2abe0 (rcu_read_lock){....}-{1:2}, at: mptcp_diag_dump+0x8af/0x1310 net/mptcp/mptcp_diag.c:197
#4: ffff8880b8e3aad8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:537
#5: ffffffff8cb2abe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
#5: ffffffff8cb2abe0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline]
#5: ffffffff8cb2abe0 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2284 [inline]
#5: ffffffff8cb2abe0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0xda/0x3b0 kernel/trace/bpf_trace.c:2324
#6: ffffffff8cb1ee80 (console_lock){+.+.}-{0:0}, at: _printk+0xcc/0x110 kernel/printk/printk.c:2328
stack backtrace:
CPU: 0 PID: 9450 Comm: syz.3.1606 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
dump_stack_lvl+0x168/0x22e lib/dump_stack.c:106
check_noncircular+0x274/0x310 kernel/locking/lockdep.c:2170
check_prev_add kernel/locking/lockdep.c:3090 [inline]
check_prevs_add kernel/locking/lockdep.c:3209 [inline]
validate_chain kernel/locking/lockdep.c:3825 [inline]
__lock_acquire+0x2cf8/0x7c50 kernel/locking/lockdep.c:5049
lock_acquire+0x1b4/0x490 kernel/locking/lockdep.c:5662
console_lock_spinning_enable kernel/printk/printk.c:1818 [inline]
console_emit_next_record+0x84c/0xc90 kernel/printk/printk.c:2774
console_flush_all kernel/printk/printk.c:-1 [inline]
console_unlock+0x223/0x630 kernel/printk/printk.c:2906
vprintk_emit+0x489/0x680 kernel/printk/printk.c:2303
_printk+0xcc/0x110 kernel/printk/printk.c:2328
fail_dump lib/fault-inject.c:45 [inline]
should_fail_ex+0x37a/0x4d0 lib/fault-inject.c:147
strncpy_from_user+0x32/0x350 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x6d/0x140 mm/maccess.c:186
bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:204 [inline]
____bpf_probe_read_compat_str kernel/trace/bpf_trace.c:310 [inline]
bpf_probe_read_compat_str+0xdd/0x170 kernel/trace/bpf_trace.c:306
bpf_prog_5646b9e3b5361e32+0x6c/0x70
bpf_dispatcher_nop_func include/linux/bpf.h:1011 [inline]
__bpf_prog_run include/linux/filter.h:603 [inline]
bpf_prog_run include/linux/filter.h:610 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2285 [inline]
bpf_trace_run2+0x1cd/0x3b0 kernel/trace/bpf_trace.c:2324
trace_tlb_flush+0x143/0x190 include/trace/events/tlb.h:38
switch_mm_irqs_off+0x758/0xb10 arch/x86/mm/tlb.c:-1
context_switch kernel/sched/core.c:5229 [inline]
__schedule+0xe99/0x40b0 kernel/sched/core.c:6561
preempt_schedule_irq+0xb1/0x150 kernel/sched/core.c:6873
irqentry_exit+0x63/0x70 kernel/entry/common.c:439
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:rcu_read_unlock include/linux/rcupdate.h:820 [inline]
RIP: 0010:mptcp_diag_dump_listeners net/mptcp/mptcp_diag.c:142 [inline]
RIP: 0010:mptcp_diag_dump+0xf40/0x1310 net/mptcp/mptcp_diag.c:197
Code: 8b bc 24 80 00 00 00 48 8b 7c 24 58 e8 d9 f4 1f 00 e8 a4 e3 15 00 89 c3 31 ff 89 c6 e8 d9 4c 7f f7 85 db 44 8b 74 24 50 74 15 bb 88 69 f7 84 c0 74 18 e8 62 49 7f f7 48 8b 5c 24 48 eb 65 e8
RSP: 0018:ffffc90005537100 EFLAGS: 00000202
RAX: ffffffff8a018577 RBX: 0000000000000001 RCX: 0000000000000000
RDX: ffff888024361dc0 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90005537260 R08: dffffc0000000000 R09: fffff52000267bbe
R10: fffff52000267bbe R11: 1ffff92000267bbd R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000d15 R15: ffffffff97027060
__inet_diag_dump+0x1f6/0x380 net/ipv4/inet_diag.c:1179
inet_diag_dump_compat+0x161/0x200 net/ipv4/inet_diag.c:1288
netlink_dump+0x675/0xcd0 net/netlink/af_netlink.c:2236
__netlink_dump_start+0x537/0x6f0 net/netlink/af_netlink.c:2338
netlink_dump_start include/linux/netlink.h:269 [inline]
inet_diag_rcv_msg_compat+0x1e9/0x3c0 net/ipv4/inet_diag.c:1323
sock_diag_rcv_msg+0x3cc/0x5f0 net/core/sock_diag.c:-1
netlink_rcv_skb+0x1de/0x420 net/netlink/af_netlink.c:2511
sock_diag_rcv+0x26/0x40 net/core/sock_diag.c:295
netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
netlink_unicast+0x74d/0x8d0 net/netlink/af_netlink.c:1344
netlink_sendmsg+0x89e/0xbc0 net/netlink/af_netlink.c:1872
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
____sys_sendmsg+0x59b/0x970 net/socket.c:2519
___sys_sendmsg+0x21c/0x290 net/socket.c:2573
__sys_sendmsg net/socket.c:2602 [inline]
__do_sys_sendmsg net/socket.c:2611 [inline]
__se_sys_sendmsg+0x19e/0x270 net/socket.c:2609
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fdcbf98ec29
Code: Unable to access opcode bytes at 0x7fdcbf98ebff.
RSP: 002b:00007fdcbdbf6038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fdcbfbd5fa0 RCX: 00007fdcbf98ec29
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000005
RBP: 00007fdcbdbf6090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007fdcbfbd6038 R14: 00007fdcbfbd5fa0 R15: 00007ffc35bc50a8
CPU: 0 PID: 9450 Comm: syz.3.1606 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
dump_stack_lvl+0x168/0x22e lib/dump_stack.c:106
fail_dump lib/fault-inject.c:52 [inline]
should_fail_ex+0x399/0x4d0 lib/fault-inject.c:147
strncpy_from_user+0x32/0x350 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x6d/0x140 mm/maccess.c:186
bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:204 [inline]
____bpf_probe_read_compat_str kernel/trace/bpf_trace.c:310 [inline]
bpf_probe_read_compat_str+0xdd/0x170 kernel/trace/bpf_trace.c:306
bpf_prog_5646b9e3b5361e32+0x6c/0x70
bpf_dispatcher_nop_func include/linux/bpf.h:1011 [inline]
__bpf_prog_run include/linux/filter.h:603 [inline]
bpf_prog_run include/linux/filter.h:610 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2285 [inline]
bpf_trace_run2+0x1cd/0x3b0 kernel/trace/bpf_trace.c:2324
trace_tlb_flush+0x143/0x190 include/trace/events/tlb.h:38
switch_mm_irqs_off+0x758/0xb10 arch/x86/mm/tlb.c:-1
context_switch kernel/sched/core.c:5229 [inline]
__schedule+0xe99/0x40b0 kernel/sched/core.c:6561
preempt_schedule_irq+0xb1/0x150 kernel/sched/core.c:6873
irqentry_exit+0x63/0x70 kernel/entry/common.c:439
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:rcu_read_unlock include/linux/rcupdate.h:820 [inline]
RIP: 0010:mptcp_diag_dump_listeners net/mptcp/mptcp_diag.c:142 [inline]
RIP: 0010:mptcp_diag_dump+0xf40/0x1310 net/mptcp/mptcp_diag.c:197
Code: 8b bc 24 80 00 00 00 48 8b 7c 24 58 e8 d9 f4 1f 00 e8 a4 e3 15 00 89 c3 31 ff 89 c6 e8 d9 4c 7f f7 85 db 44 8b 74 24 50 74 15 bb 88 69 f7 84 c0 74 18 e8 62 49 7f f7 48 8b 5c 24 48 eb 65 e8
RSP: 0018:ffffc90005537100 EFLAGS: 00000202
RAX: ffffffff8a018577 RBX: 0000000000000001 RCX: 0000000000000000
RDX: ffff888024361dc0 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90005537260 R08: dffffc0000000000 R09: fffff52000267bbe
R10: fffff52000267bbe R11: 1ffff92000267bbd R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000d15 R15: ffffffff97027060
__inet_diag_dump+0x1f6/0x380 net/ipv4/inet_diag.c:1179
inet_diag_dump_compat+0x161/0x200 net/ipv4/inet_diag.c:1288
netlink_dump+0x675/0xcd0 net/netlink/af_netlink.c:2236
__netlink_dump_start+0x537/0x6f0 net/netlink/af_netlink.c:2338
netlink_dump_start include/linux/netlink.h:269 [inline]
inet_diag_rcv_msg_compat+0x1e9/0x3c0 net/ipv4/inet_diag.c:1323
sock_diag_rcv_msg+0x3cc/0x5f0 net/core/sock_diag.c:-1
netlink_rcv_skb+0x1de/0x420 net/netlink/af_netlink.c:2511
sock_diag_rcv+0x26/0x40 net/core/sock_diag.c:295
netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
netlink_unicast+0x74d/0x8d0 net/netlink/af_netlink.c:1344
netlink_sendmsg+0x89e/0xbc0 net/netlink/af_netlink.c:1872
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
____sys_sendmsg+0x59b/0x970 net/socket.c:2519
___sys_sendmsg+0x21c/0x290 net/socket.c:2573
__sys_sendmsg net/socket.c:2602 [inline]
__do_sys_sendmsg net/socket.c:2611 [inline]
__se_sys_sendmsg+0x19e/0x270 net/socket.c:2609
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fdcbf98ec29
Code: Unable to access opcode bytes at 0x7fdcbf98ebff.
RSP: 002b:00007fdcbdbf6038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fdcbfbd5fa0 RCX: 00007fdcbf98ec29
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000005
RBP: 00007fdcbdbf6090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007fdcbfbd6038 R14: 00007fdcbfbd5fa0 R15: 00007ffc35bc50a8
----------------
Code disassembly (best guess):
0: 8b bc 24 80 00 00 00 mov 0x80(%rsp),%edi
7: 48 8b 7c 24 58 mov 0x58(%rsp),%rdi
c: e8 d9 f4 1f 00 call 0x1ff4ea
11: e8 a4 e3 15 00 call 0x15e3ba
16: 89 c3 mov %eax,%ebx
18: 31 ff xor %edi,%edi
1a: 89 c6 mov %eax,%esi
1c: e8 d9 4c 7f f7 call 0xf77f4cfa
21: 85 db test %ebx,%ebx
23: 44 8b 74 24 50 mov 0x50(%rsp),%r14d
28: 74 15 je 0x3f
* 2a: e8 bb 88 69 f7 call 0xf76988ea <-- trapping instruction
2f: 84 c0 test %al,%al
31: 74 18 je 0x4b
33: e8 62 49 7f f7 call 0xf77f499a
38: 48 8b 5c 24 48 mov 0x48(%rsp),%rbx
3d: eb 65 jmp 0xa4
3f: e8 .byte 0xe8