------------[ cut here ]------------
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Tainted: G U L
------------------------------------------------------
modprobe/12164 is trying to acquire lock:
ffffffff8e4eeee0 (console_owner){-.-.}-{0:0}, at: console_lock_spinning_enable+0x61/0x80 kernel/printk/printk.c:1900
but task is already holding lock:
ffff8880b843add8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:647 [inline]
ffff8880b843add8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x7e/0x130 kernel/sched/core.c:632
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:639
raw_spin_rq_lock kernel/sched/sched.h:1580 [inline]
task_rq_lock+0xcf/0x490 kernel/sched/core.c:739
cgroup_move_task+0x81/0x2a0 kernel/sched/psi.c:1170
css_set_move_task+0x285/0x600 kernel/cgroup/cgroup.c:948
cgroup_post_fork+0x1fe/0x9b0 kernel/cgroup/cgroup.c:6910
copy_process+0x57b0/0x7890 kernel/fork.c:2465
kernel_clone+0xfc/0x930 kernel/fork.c:2651
user_mode_thread+0xcc/0x110 kernel/fork.c:2727
rest_init+0x21/0x260 init/main.c:722
start_kernel+0x47a/0x480 init/main.c:1206
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
x86_64_start_kernel+0x122/0x130 arch/x86/kernel/head64.c:291
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:557 [inline]
try_to_wake_up+0xb2/0x1a60 kernel/sched/core.c:4106
__wake_up_common+0x135/0x1f0 kernel/sched/wait.c:108
__wake_up_common_lock kernel/sched/wait.c:125 [inline]
__wake_up+0x31/0x60 kernel/sched/wait.c:146
tty_port_default_wakeup+0x47/0x60 drivers/tty/tty_port.c:67
serial8250_tx_chars+0x68f/0x860 drivers/tty/serial/8250/8250_port.c:1719
serial8250_handle_irq+0x73e/0xcb0 drivers/tty/serial/8250/8250_port.c:1827
serial8250_default_handle_irq+0x9e/0x270 drivers/tty/serial/8250/8250_port.c:1846
serial8250_interrupt+0xf8/0x1d0 drivers/tty/serial/8250/8250_core.c:86
__handle_irq_event_percpu+0x232/0x800 kernel/irq/handle.c:211
handle_irq_event_percpu kernel/irq/handle.c:248 [inline]
handle_irq_event+0xab/0x1e0 kernel/irq/handle.c:265
handle_edge_irq+0x375/0x970 kernel/irq/chip.c:855
generic_handle_irq_desc include/linux/irqdesc.h:172 [inline]
handle_irq arch/x86/kernel/irq.c:255 [inline]
call_irq_handler arch/x86/kernel/irq.c:311 [inline]
__common_interrupt+0xd8/0x2f0 arch/x86/kernel/irq.c:326
common_interrupt+0x60/0xe0 arch/x86/kernel/irq.c:319
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:688
variable_ffs arch/x86/include/asm/bitops.h:312 [inline]
handle_softirqs+0x1ad/0x910 kernel/softirq.c:610
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0xef/0x150 kernel/softirq.c:723
irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1056
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:81
arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline]
default_idle+0x9/0x10 arch/x86/kernel/process.c:767
default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122
cpuidle_idle_call kernel/sched/idle.c:191 [inline]
do_idle+0x35b/0x4b0 kernel/sched/idle.c:332
cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:430
rest_init+0x251/0x260 init/main.c:757
start_kernel+0x47a/0x480 init/main.c:1206
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
x86_64_start_kernel+0x122/0x130 arch/x86/kernel/head64.c:291
common_startup_64+0x13e/0x148
-> #2 (&tty->write_wait){-.-.}-{3:3}:
__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:124 [inline]
__wake_up+0x1c/0x60 kernel/sched/wait.c:146
tty_port_default_wakeup+0x47/0x60 drivers/tty/tty_port.c:67
serial8250_tx_chars+0x68f/0x860 drivers/tty/serial/8250/8250_port.c:1719
serial8250_handle_irq+0x73e/0xcb0 drivers/tty/serial/8250/8250_port.c:1827
serial8250_default_handle_irq+0x9e/0x270 drivers/tty/serial/8250/8250_port.c:1846
serial8250_interrupt+0xf8/0x1d0 drivers/tty/serial/8250/8250_core.c:86
__handle_irq_event_percpu+0x232/0x800 kernel/irq/handle.c:211
handle_irq_event_percpu kernel/irq/handle.c:248 [inline]
handle_irq_event+0xab/0x1e0 kernel/irq/handle.c:265
handle_edge_irq+0x375/0x970 kernel/irq/chip.c:855
generic_handle_irq_desc include/linux/irqdesc.h:172 [inline]
handle_irq arch/x86/kernel/irq.c:255 [inline]
call_irq_handler arch/x86/kernel/irq.c:311 [inline]
__common_interrupt+0xd8/0x2f0 arch/x86/kernel/irq.c:326
common_interrupt+0xb9/0xe0 arch/x86/kernel/irq.c:319
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:688
native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:81
arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline]
default_idle+0x9/0x10 arch/x86/kernel/process.c:767
default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122
cpuidle_idle_call kernel/sched/idle.c:191 [inline]
do_idle+0x35b/0x4b0 kernel/sched/idle.c:332
cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:430
rest_init+0x251/0x260 init/main.c:757
start_kernel+0x47a/0x480 init/main.c:1206
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
x86_64_start_kernel+0x122/0x130 arch/x86/kernel/head64.c:291
common_startup_64+0x13e/0x148
-> #1 (&port_lock_key){-.-.}-{3:3}:
__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:717 [inline]
serial8250_console_write+0x17e/0x1900 drivers/tty/serial/8250/8250_port.c:3301
console_emit_next_record kernel/printk/printk.c:3129 [inline]
console_flush_one_record+0x790/0xe50 kernel/printk/printk.c:3215
console_flush_all kernel/printk/printk.c:3289 [inline]
__console_flush_and_unlock kernel/printk/printk.c:3319 [inline]
console_unlock+0x103/0x260 kernel/printk/printk.c:3359
vprintk_emit+0x407/0x6b0 kernel/printk/printk.c:2426
_printk+0xcf/0x110 kernel/printk/printk.c:2451
register_console.cold+0xc0/0x248 kernel/printk/printk.c:4170
univ8250_console_init+0x6f/0x80 drivers/tty/serial/8250/8250_core.c:515
console_init+0x371/0x520 kernel/printk/printk.c:4369
start_kernel+0x300/0x480 init/main.c:1143
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
x86_64_start_kernel+0x122/0x130 arch/x86/kernel/head64.c:291
common_startup_64+0x13e/0x148
-> #0 (console_owner){-.-.}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3165 [inline]
check_prevs_add kernel/locking/lockdep.c:3284 [inline]
validate_chain kernel/locking/lockdep.c:3908 [inline]
__lock_acquire+0x14b8/0x2630 kernel/locking/lockdep.c:5237
lock_acquire kernel/locking/lockdep.c:5868 [inline]
lock_acquire+0x17c/0x330 kernel/locking/lockdep.c:5825
console_lock_spinning_enable+0x72/0x80 kernel/printk/printk.c:1900
console_emit_next_record kernel/printk/printk.c:3123 [inline]
console_flush_one_record+0x739/0xe50 kernel/printk/printk.c:3215
console_flush_all kernel/printk/printk.c:3289 [inline]
__console_flush_and_unlock kernel/printk/printk.c:3319 [inline]
console_unlock+0x103/0x260 kernel/printk/printk.c:3359
vprintk_emit+0x407/0x6b0 kernel/printk/printk.c:2426
_printk+0xcf/0x110 kernel/printk/printk.c:2451
__report_bug.cold+0x15/0x137 lib/bug.c:243
report_bug+0xb2/0x220 lib/bug.c:281
handle_bug+0x166/0x2a0 arch/x86/kernel/traps.c:435
exc_invalid_op+0x17/0x50 arch/x86/kernel/traps.c:489
asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:616
lockdep_assert_rq_held kernel/sched/sched.h:1571 [inline]
lockdep_assert_rq_held kernel/sched/sched.h:1569 [inline]
update_rq_clock+0x34a/0xd30 kernel/sched/core.c:837
pick_next_task kernel/sched/core.c:6092 [inline]
__schedule+0x1b0d/0x5e10 kernel/sched/core.c:6809
preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7194
irqentry_exit+0x17b/0x670 kernel/entry/common.c:216
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
stack_trace_consume_entry+0x0/0x170 usercopy_64.c:-1
arch_stack_walk+0x88/0xf0 arch/x86/kernel/stacktrace.c:27
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
kasan_save_track+0x14/0x30 mm/kasan/common.c:78
unpoison_slab_object mm/kasan/common.c:340 [inline]
__kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:366
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4953 [inline]
kmem_cache_alloc_from_sheaf_noprof+0xa9/0x190 mm/slub.c:5570
mas_pop_node lib/maple_tree.c:1086 [inline]
mas_new_ma_node lib/maple_tree.c:2140 [inline]
mas_split+0x972/0x16b0 lib/maple_tree.c:3018
mas_commit_b_node.isra.0+0x76/0xc0 lib/maple_tree.c:3072
mas_wr_bnode+0x140/0x1d0 lib/maple_tree.c:3739
mas_wr_store_entry+0x7e3/0x2390 lib/maple_tree.c:3771
mas_store_prealloc+0x6e5/0xfb0 lib/maple_tree.c:5169
vma_iter_store_new mm/vma.h:551 [inline]
vma_link+0x3c9/0x750 mm/vma.c:1827
insert_vm_struct+0xf4/0x2d0 mm/vma.c:3288
__install_special_mapping mm/mmap.c:1460 [inline]
_install_special_mapping+0x187/0x3d0 mm/mmap.c:1496
map_vdso+0x1b0/0x560 arch/x86/entry/vdso/vma.c:172
arch_setup_additional_pages+0x41/0x60 arch/x86/entry/vdso/vma.c:242
load_elf_binary+0x1fd7/0x5110 fs/binfmt_elf.c:1291
search_binary_handler fs/exec.c:1669 [inline]
exec_binprm fs/exec.c:1701 [inline]
bprm_execve fs/exec.c:1753 [inline]
bprm_execve+0x8fb/0x1620 fs/exec.c:1729
kernel_execve+0x32b/0x3d0 fs/exec.c:1919
call_usermodehelper_exec_async+0x239/0x4b0 kernel/umh.c:109
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
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 ***
4 locks held by modprobe/12164:
#0: ffff888076d28340 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:353 [inline]
#0: ffff888076d28340 (&mm->mmap_lock){++++}-{4:4}, at: map_vdso+0x70/0x560 arch/x86/entry/vdso/vma.c:144
#1: ffff8880b843add8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:647 [inline]
#1: ffff8880b843add8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x7e/0x130 kernel/sched/core.c:632
#2: ffffffff8e5cf320 (console_lock){+.+.}-{0:0}, at: _printk+0xcf/0x110 kernel/printk/printk.c:2451
#3: ffffffff8e5cf398 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:336 [inline]
#3: ffffffff8e5cf398 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:409 [inline]
#3: ffffffff8e5cf398 (console_srcu){....}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:289 [inline]
#3: ffffffff8e5cf398 (console_srcu){....}-{0:0}, at: console_flush_one_record+0xfd/0xe50 kernel/printk/printk.c:3192
stack backtrace:
CPU: 0 UID: 0 PID: 12164 Comm: modprobe Tainted: G U L syzkaller #0 PREEMPT(full)
Tainted: [U]=USER, [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
print_circular_bug.cold+0x178/0x1c7 kernel/locking/lockdep.c:2043
check_noncircular+0x146/0x160 kernel/locking/lockdep.c:2175
check_prev_add kernel/locking/lockdep.c:3165 [inline]
check_prevs_add kernel/locking/lockdep.c:3284 [inline]
validate_chain kernel/locking/lockdep.c:3908 [inline]
__lock_acquire+0x14b8/0x2630 kernel/locking/lockdep.c:5237
lock_acquire kernel/locking/lockdep.c:5868 [inline]
lock_acquire+0x17c/0x330 kernel/locking/lockdep.c:5825
console_lock_spinning_enable+0x72/0x80 kernel/printk/printk.c:1900
console_emit_next_record kernel/printk/printk.c:3123 [inline]
console_flush_one_record+0x739/0xe50 kernel/printk/printk.c:3215
console_flush_all kernel/printk/printk.c:3289 [inline]
__console_flush_and_unlock kernel/printk/printk.c:3319 [inline]
console_unlock+0x103/0x260 kernel/printk/printk.c:3359
vprintk_emit+0x407/0x6b0 kernel/printk/printk.c:2426
_printk+0xcf/0x110 kernel/printk/printk.c:2451
__report_bug.cold+0x15/0x137 lib/bug.c:243
report_bug+0xb2/0x220 lib/bug.c:281
handle_bug+0x166/0x2a0 arch/x86/kernel/traps.c:435
exc_invalid_op+0x17/0x50 arch/x86/kernel/traps.c:489
asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:616
RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1571 [inline]
RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1569 [inline]
RIP: 0010:update_rq_clock+0x34a/0xd30 kernel/sched/core.c:837
Code: ab 48 0b 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 c8 eb a2 09 a8 04 0f 84 9e fd ff ff 90 0f 0b 90 e9 95 fd ff ff 90 <0f> 0b 90 e9 51 fd ff ff 48 8d bb 18 0e 00 00 48 b8 00 00 00 00 00
RSP: 0018:ffffc90017ea6a80 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8880b853adc0 RCX: 0000000000000001
RDX: 0000000000000046 RSI: ffffffff8dc1b3c0 RDI: ffffffff8bfa32a0
RBP: ffffc90017ea6c28 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff90b771d7 R11: 0000000000000000 R12: ffffffff90b7a254
R13: ffff8880b853bbf0 R14: ffff888030685b80 R15: ffff8880b853adc0
pick_next_task kernel/sched/core.c:6092 [inline]
__schedule+0x1b0d/0x5e10 kernel/sched/core.c:6809
preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7194
irqentry_exit+0x17b/0x670 kernel/entry/common.c:216
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:stack_trace_consume_entry+0x0/0x170 kernel/stacktrace.c:83
Code: e8 45 3e 15 00 e9 36 ff ff ff 49 c7 c4 ea ff ff ff eb c7 e8 b2 d4 82 09 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 b8 00 00 00 00 00 fc ff df 55 53 48 89 fb 48 83 c7
RSP: 0018:ffffc90017ea6d30 EFLAGS: 00000286
RAX: ffffffff8b6ddb60 RBX: ffffc90017ea6d38 RCX: ffffc90017ea6c8c
RDX: 1ffff92002fd4db0 RSI: ffffffff8b6ddb60 RDI: ffffc90017ea6df8
RBP: ffffc90017ea6dc8 R08: 0000000000000001 R09: 0000000000000007
R10: 0000000000000200 R11: 00000000000a6cc5 R12: ffffffff81f10c60
R13: ffffc90017ea6df8 R14: 0000000000000000 R15: ffff88802be60000
arch_stack_walk+0x88/0xf0 arch/x86/kernel/stacktrace.c:27
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
kasan_save_track+0x14/0x30 mm/kasan/common.c:78
unpoison_slab_object mm/kasan/common.c:340 [inline]
__kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:366
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4953 [inline]
kmem_cache_alloc_from_sheaf_noprof+0xa9/0x190 mm/slub.c:5570
mas_pop_node lib/maple_tree.c:1086 [inline]
mas_new_ma_node lib/maple_tree.c:2140 [inline]
mas_split+0x972/0x16b0 lib/maple_tree.c:3018
mas_commit_b_node.isra.0+0x76/0xc0 lib/maple_tree.c:3072
mas_wr_bnode+0x140/0x1d0 lib/maple_tree.c:3739
mas_wr_store_entry+0x7e3/0x2390 lib/maple_tree.c:3771
mas_store_prealloc+0x6e5/0xfb0 lib/maple_tree.c:5169
vma_iter_store_new mm/vma.h:551 [inline]
vma_link+0x3c9/0x750 mm/vma.c:1827
insert_vm_struct+0xf4/0x2d0 mm/vma.c:3288
__install_special_mapping mm/mmap.c:1460 [inline]
_install_special_mapping+0x187/0x3d0 mm/mmap.c:1496
map_vdso+0x1b0/0x560 arch/x86/entry/vdso/vma.c:172
arch_setup_additional_pages+0x41/0x60 arch/x86/entry/vdso/vma.c:242
load_elf_binary+0x1fd7/0x5110 fs/binfmt_elf.c:1291
search_binary_handler fs/exec.c:1669 [inline]
exec_binprm fs/exec.c:1701 [inline]
bprm_execve fs/exec.c:1753 [inline]
bprm_execve+0x8fb/0x1620 fs/exec.c:1729
kernel_execve+0x32b/0x3d0 fs/exec.c:1919
call_usermodehelper_exec_async+0x239/0x4b0 kernel/umh.c:109
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
debug_locks && !(lock_is_held(&(__rq_lockp(rq))->dep_map) != 0)
WARNING: kernel/sched/sched.h:1571 at lockdep_assert_rq_held kernel/sched/sched.h:1571 [inline], CPU#0: modprobe/12164
WARNING: kernel/sched/sched.h:1571 at lockdep_assert_rq_held kernel/sched/sched.h:1569 [inline], CPU#0: modprobe/12164
WARNING: kernel/sched/sched.h:1571 at update_rq_clock+0x34a/0xd30 kernel/sched/core.c:837, CPU#0: modprobe/12164
Modules linked in:
CPU: 0 UID: 0 PID: 12164 Comm: modprobe Tainted: G U L syzkaller #0 PREEMPT(full)
Tainted: [U]=USER, [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1571 [inline]
RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1569 [inline]
RIP: 0010:update_rq_clock+0x34a/0xd30 kernel/sched/core.c:837
Code: ab 48 0b 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 c8 eb a2 09 a8 04 0f 84 9e fd ff ff 90 0f 0b 90 e9 95 fd ff ff 90 <0f> 0b 90 e9 51 fd ff ff 48 8d bb 18 0e 00 00 48 b8 00 00 00 00 00
RSP: 0018:ffffc90017ea6a80 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8880b853adc0 RCX: 0000000000000001
RDX: 0000000000000046 RSI: ffffffff8dc1b3c0 RDI: ffffffff8bfa32a0
RBP: ffffc90017ea6c28 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff90b771d7 R11: 0000000000000000 R12: ffffffff90b7a254
R13: ffff8880b853bbf0 R14: ffff888030685b80 R15: ffff8880b853adc0
FS: 0000000000000000(0000) GS:ffff8881245e3000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb423989b4c CR3: 000000002918c000 CR4: 00000000003526f0
Call Trace:
pick_next_task kernel/sched/core.c:6092 [inline]
__schedule+0x1b0d/0x5e10 kernel/sched/core.c:6809
preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7194
irqentry_exit+0x17b/0x670 kernel/entry/common.c:216
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:stack_trace_consume_entry+0x0/0x170 kernel/stacktrace.c:83
Code: e8 45 3e 15 00 e9 36 ff ff ff 49 c7 c4 ea ff ff ff eb c7 e8 b2 d4 82 09 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 b8 00 00 00 00 00 fc ff df 55 53 48 89 fb 48 83 c7
RSP: 0018:ffffc90017ea6d30 EFLAGS: 00000286
RAX: ffffffff8b6ddb60 RBX: ffffc90017ea6d38 RCX: ffffc90017ea6c8c
RDX: 1ffff92002fd4db0 RSI: ffffffff8b6ddb60 RDI: ffffc90017ea6df8
RBP: ffffc90017ea6dc8 R08: 0000000000000001 R09: 0000000000000007
R10: 0000000000000200 R11: 00000000000a6cc5 R12: ffffffff81f10c60
R13: ffffc90017ea6df8 R14: 0000000000000000 R15: ffff88802be60000
arch_stack_walk+0x88/0xf0 arch/x86/kernel/stacktrace.c:27
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
kasan_save_track+0x14/0x30 mm/kasan/common.c:78
unpoison_slab_object mm/kasan/common.c:340 [inline]
__kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:366
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4953 [inline]
kmem_cache_alloc_from_sheaf_noprof+0xa9/0x190 mm/slub.c:5570
mas_pop_node lib/maple_tree.c:1086 [inline]
mas_new_ma_node lib/maple_tree.c:2140 [inline]
mas_split+0x972/0x16b0 lib/maple_tree.c:3018
mas_commit_b_node.isra.0+0x76/0xc0 lib/maple_tree.c:3072
mas_wr_bnode+0x140/0x1d0 lib/maple_tree.c:3739
mas_wr_store_entry+0x7e3/0x2390 lib/maple_tree.c:3771
mas_store_prealloc+0x6e5/0xfb0 lib/maple_tree.c:5169
vma_iter_store_new mm/vma.h:551 [inline]
vma_link+0x3c9/0x750 mm/vma.c:1827
insert_vm_struct+0xf4/0x2d0 mm/vma.c:3288
__install_special_mapping mm/mmap.c:1460 [inline]
_install_special_mapping+0x187/0x3d0 mm/mmap.c:1496
map_vdso+0x1b0/0x560 arch/x86/entry/vdso/vma.c:172
arch_setup_additional_pages+0x41/0x60 arch/x86/entry/vdso/vma.c:242
load_elf_binary+0x1fd7/0x5110 fs/binfmt_elf.c:1291
search_binary_handler fs/exec.c:1669 [inline]
exec_binprm fs/exec.c:1701 [inline]
bprm_execve fs/exec.c:1753 [inline]
bprm_execve+0x8fb/0x1620 fs/exec.c:1729
kernel_execve+0x32b/0x3d0 fs/exec.c:1919
call_usermodehelper_exec_async+0x239/0x4b0 kernel/umh.c:109
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
----------------
Code disassembly (best guess):
0: e8 45 3e 15 00 call 0x153e4a
5: e9 36 ff ff ff jmp 0xffffff40
a: 49 c7 c4 ea ff ff ff mov $0xffffffffffffffea,%r12
11: eb c7 jmp 0xffffffda
13: e8 b2 d4 82 09 call 0x982d4ca
18: 66 90 xchg %ax,%ax
1a: 90 nop
1b: 90 nop
1c: 90 nop
1d: 90 nop
1e: 90 nop
1f: 90 nop
20: 90 nop
21: 90 nop
22: 90 nop
23: 90 nop
24: 90 nop
25: 90 nop
26: 90 nop
27: 90 nop
28: 90 nop
29: 90 nop
* 2a: f3 0f 1e fa endbr64 <-- trapping instruction
2e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
35: fc ff df
38: 55 push %rbp
39: 53 push %rbx
3a: 48 89 fb mov %rdi,%rbx
3d: 48 rex.W
3e: 83 .byte 0x83
3f: c7 .byte 0xc7