------------[ cut here ]------------
======================================================
WARNING: possible circular locking dependency detected
5.15.189-syzkaller #0 Not tainted
------------------------------------------------------
udevd/4520 is trying to acquire lock:
ffffffff8c110da0 (console_owner){-...}-{0:0}, at: console_trylock_spinning+0x150/0x350 kernel/printk/printk.c:1879
but task is already holding lock:
ffff8880b912a218 (hrtimer_bases.lock){-.-.}-{2:2}, at: __run_hrtimer kernel/time/hrtimer.c:1694 [inline]
ffff8880b912a218 (hrtimer_bases.lock){-.-.}-{2:2}, at: __hrtimer_run_queues+0x5ff/0xc40 kernel/time/hrtimer.c:1754
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #3 (hrtimer_bases.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
lock_hrtimer_base kernel/time/hrtimer.c:168 [inline]
hrtimer_start_range_ns+0xff/0xc20 kernel/time/hrtimer.c:1289
hrtimer_start include/linux/hrtimer.h:420 [inline]
run_page_cache_worker kernel/rcu/tree.c:3492 [inline]
kvfree_call_rcu+0x60d/0x7c0 kernel/rcu/tree.c:3603
rtnl_register_internal+0x44e/0x540 net/core/rtnetlink.c:223
rtnl_register+0x2e/0x70 net/core/rtnetlink.c:273
ip_rt_init+0x2e0/0x3a0 net/ipv4/route.c:3795
ip_init+0xa/0x20 net/ipv4/ip_output.c:1749
inet_init+0x28b/0x3a0 net/ipv4/af_inet.c:2007
do_one_initcall+0x1ee/0x680 init/main.c:1302
do_initcall_level+0x137/0x1f0 init/main.c:1375
do_initcalls+0x4b/0x90 init/main.c:1391
kernel_init_freeable+0x3ce/0x560 init/main.c:1615
kernel_init+0x19/0x1b0 init/main.c:1506
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
-> #2 (krc.lock){..-.}-{2:2}:
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
krc_this_cpu_lock kernel/rcu/tree.c:3203 [inline]
add_ptr_to_bulk_krc_lock kernel/rcu/tree.c:3510 [inline]
kvfree_call_rcu+0x186/0x7c0 kernel/rcu/tree.c:3601
trie_delete_elem+0x58c/0x710 kernel/bpf/lpm_trie.c:-1
0xffffffffa002ab9e
bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline]
__bpf_prog_run include/linux/filter.h:628 [inline]
bpf_prog_run include/linux/filter.h:635 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline]
bpf_trace_run2+0x15b/0x2d0 kernel/trace/bpf_trace.c:1915
trace_console_rcuidle include/trace/events/printk.h:10 [inline]
call_console_drivers kernel/printk/printk.c:1932 [inline]
console_unlock+0x101f/0x1200 kernel/printk/printk.c:2744
vprintk_emit+0xc0/0x150 kernel/printk/printk.c:2274
_printk+0xcc/0x110 kernel/printk/printk.c:2299
addrconf_notify+0xa5b/0xf00 net/ipv6/addrconf.c:3657
notifier_call_chain kernel/notifier.c:83 [inline]
raw_notifier_call_chain+0xcb/0x160 kernel/notifier.c:391
netdev_state_change+0xd2/0x140 net/core/dev.c:1440
linkwatch_do_dev+0x10d/0x160 net/core/link_watch.c:167
__linkwatch_run_queue+0x4a9/0x7b0 net/core/link_watch.c:213
linkwatch_event+0x48/0x50 net/core/link_watch.c:252
process_one_work+0x863/0x1000 kernel/workqueue.c:2310
worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
-> #1 (&trie->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
trie_delete_elem+0x90/0x710 kernel/bpf/lpm_trie.c:467
0xffffffffa002ab9e
bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline]
__bpf_prog_run include/linux/filter.h:628 [inline]
bpf_prog_run include/linux/filter.h:635 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline]
bpf_trace_run2+0x15b/0x2d0 kernel/trace/bpf_trace.c:1915
trace_console_rcuidle include/trace/events/printk.h:10 [inline]
call_console_drivers kernel/printk/printk.c:1932 [inline]
console_unlock+0x101f/0x1200 kernel/printk/printk.c:2744
vprintk_emit+0xc0/0x150 kernel/printk/printk.c:2274
_printk+0xcc/0x110 kernel/printk/printk.c:2299
addrconf_notify+0xa5b/0xf00 net/ipv6/addrconf.c:3657
notifier_call_chain kernel/notifier.c:83 [inline]
raw_notifier_call_chain+0xcb/0x160 kernel/notifier.c:391
netdev_state_change+0xd2/0x140 net/core/dev.c:1440
linkwatch_do_dev+0x10d/0x160 net/core/link_watch.c:167
__linkwatch_run_queue+0x4a9/0x7b0 net/core/link_watch.c:213
linkwatch_event+0x48/0x50 net/core/link_watch.c:252
process_one_work+0x863/0x1000 kernel/workqueue.c:2310
worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
-> #0 (console_owner){-...}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3053 [inline]
check_prevs_add kernel/locking/lockdep.c:3172 [inline]
validate_chain kernel/locking/lockdep.c:3788 [inline]
__lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012
lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623
console_trylock_spinning+0x170/0x350 kernel/printk/printk.c:1896
vprintk_emit+0xa7/0x150 kernel/printk/printk.c:2273
_printk+0xcc/0x110 kernel/printk/printk.c:2299
report_bug+0x1e5/0x2e0 lib/bug.c:195
handle_bug+0x3a/0x70 arch/x86/kernel/traps.c:239
exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:259
asm_exc_invalid_op+0x16/0x20 arch/x86/include/asm/idtentry.h:604
copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline]
____bpf_probe_read_user kernel/trace/bpf_trace.c:166 [inline]
bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
bpf_prog_2903cf4cc3d681d2+0x3a/0x51c
bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline]
__bpf_prog_run include/linux/filter.h:628 [inline]
bpf_prog_run include/linux/filter.h:635 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline]
bpf_trace_run2+0x15b/0x2d0 kernel/trace/bpf_trace.c:1915
trace_hrtimer_start include/trace/events/timer.h:199 [inline]
debug_activate kernel/time/hrtimer.c:466 [inline]
enqueue_hrtimer+0x314/0x370 kernel/time/hrtimer.c:1074
__run_hrtimer kernel/time/hrtimer.c:1707 [inline]
__hrtimer_run_queues+0x65a/0xc40 kernel/time/hrtimer.c:1754
hrtimer_interrupt+0x3bb/0x8d0 kernel/time/hrtimer.c:1816
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
__sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
___pte_free_tlb+0x1b4/0x2a0 arch/x86/include/asm/irqflags.h:-1
__pte_free_tlb arch/x86/include/asm/pgalloc.h:61 [inline]
free_pte_range mm/memory.c:231 [inline]
free_pmd_range mm/memory.c:249 [inline]
free_pud_range mm/memory.c:283 [inline]
free_p4d_range mm/memory.c:317 [inline]
free_pgd_range+0x622/0xb00 mm/memory.c:397
free_pgtables+0x271/0x2a0 mm/memory.c:-1
exit_mmap+0x39e/0x5f0 mm/mmap.c:3213
__mmput+0x115/0x3b0 kernel/fork.c:1127
exec_mmap+0x4d1/0x5c0 fs/exec.c:1035
begin_new_exec+0x7e8/0x1160 fs/exec.c:1293
load_elf_binary+0x98e/0x2890 fs/binfmt_elf.c:1001
search_binary_handler fs/exec.c:1742 [inline]
exec_binprm fs/exec.c:1783 [inline]
bprm_execve+0xa92/0x17d0 fs/exec.c:1852
do_execveat_common+0x51e/0x6d0 fs/exec.c:1957
do_execve fs/exec.c:2027 [inline]
__do_sys_execve fs/exec.c:2103 [inline]
__se_sys_execve fs/exec.c:2098 [inline]
__x64_sys_execve+0x8e/0xa0 fs/exec.c:2098
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
other info that might help us debug this:
Chain exists of:
console_owner --> krc.lock --> hrtimer_bases.lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(hrtimer_bases.lock);
lock(krc.lock);
lock(hrtimer_bases.lock);
lock(console_owner);
*** DEADLOCK ***
4 locks held by udevd/4520:
#0: ffff88802c03b940 (&sig->cred_guard_mutex){+.+.}-{3:3}, at: prepare_bprm_creds fs/exec.c:1479 [inline]
#0: ffff88802c03b940 (&sig->cred_guard_mutex){+.+.}-{3:3}, at: bprm_execve+0xc4/0x17d0 fs/exec.c:1820
#1: ffff88802c03b9d8 (&sig->exec_update_lock){+.+.}-{3:3}, at: exec_mmap+0xf0/0x5c0 fs/exec.c:989
#2: ffff8880b912a218 (hrtimer_bases.lock){-.-.}-{2:2}, at: __run_hrtimer kernel/time/hrtimer.c:1694 [inline]
#2: ffff8880b912a218 (hrtimer_bases.lock){-.-.}-{2:2}, at: __hrtimer_run_queues+0x5ff/0xc40 kernel/time/hrtimer.c:1754
#3: ffffffff8c11c360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311
stack backtrace:
CPU: 1 PID: 4520 Comm: udevd Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
check_noncircular+0x274/0x310 kernel/locking/lockdep.c:2133
check_prev_add kernel/locking/lockdep.c:3053 [inline]
check_prevs_add kernel/locking/lockdep.c:3172 [inline]
validate_chain kernel/locking/lockdep.c:3788 [inline]
__lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012
lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623
console_trylock_spinning+0x170/0x350 kernel/printk/printk.c:1896
vprintk_emit+0xa7/0x150 kernel/printk/printk.c:2273
_printk+0xcc/0x110 kernel/printk/printk.c:2299
report_bug+0x1e5/0x2e0 lib/bug.c:195
handle_bug+0x3a/0x70 arch/x86/kernel/traps.c:239
exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:259
asm_exc_invalid_op+0x16/0x20 arch/x86/include/asm/idtentry.h:604
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 ed f7 d8 ff 85 db 48 c7 c0 f2 ff ff ff 49 0f 44 c6 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 70 f4 d8 ff <0f> 0b e9 1c ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ea fe
RSP: 0018:ffffc90000dd0ba0 EFLAGS: 00010006
RAX: ffffffff819ecfb0 RBX: 0000000000000000 RCX: ffff88801e4a8000
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1ff6e19
R10: fffffbfff1ff6e19 R11: 1ffffffff1ff6e18 R12: ffff88801e4a9788
R13: dffffc0000000000 R14: ffffc90000dd0bc8 R15: 0000000000000000
bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline]
____bpf_probe_read_user kernel/trace/bpf_trace.c:166 [inline]
bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
bpf_prog_2903cf4cc3d681d2+0x3a/0x51c
bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline]
__bpf_prog_run include/linux/filter.h:628 [inline]
bpf_prog_run include/linux/filter.h:635 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline]
bpf_trace_run2+0x15b/0x2d0 kernel/trace/bpf_trace.c:1915
trace_hrtimer_start include/trace/events/timer.h:199 [inline]
debug_activate kernel/time/hrtimer.c:466 [inline]
enqueue_hrtimer+0x314/0x370 kernel/time/hrtimer.c:1074
__run_hrtimer kernel/time/hrtimer.c:1707 [inline]
__hrtimer_run_queues+0x65a/0xc40 kernel/time/hrtimer.c:1754
hrtimer_interrupt+0x3bb/0x8d0 kernel/time/hrtimer.c:1816
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
__sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:paravirt_tlb_remove_table arch/x86/include/asm/paravirt.h:92 [inline]
RIP: 0010:___pte_free_tlb+0x1b4/0x2a0 arch/x86/mm/pgtable.c:57
Code: 42 00 4d 85 ff 75 16 e8 3a 7a 42 00 eb 15 e8 33 7a 42 00 e8 8e e3 72 08 4d 85 ff 74 ea e8 24 7a 42 00 fb 48 c7 c0 40 01 f9 8b <48> c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 0c 48 c7
RSP: 0018:ffffc9000340f5e0 EFLAGS: 00000293
RAX: ffffffff8bf90140 RBX: 0000000000000000 RCX: ffff88801e4a8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000340f6b8 R08: dffffc0000000000 R09: fffffbfff1ff6e2e
R10: fffffbfff1ff6e2e R11: 1ffffffff1ff6e2d R12: ffffea0001f16280
R13: 00000000ffffffff R14: 1ffff92000681ec0 R15: 0000000000000200
__pte_free_tlb arch/x86/include/asm/pgalloc.h:61 [inline]
free_pte_range mm/memory.c:231 [inline]
free_pmd_range mm/memory.c:249 [inline]
free_pud_range mm/memory.c:283 [inline]
free_p4d_range mm/memory.c:317 [inline]
free_pgd_range+0x622/0xb00 mm/memory.c:397
free_pgtables+0x271/0x2a0 mm/memory.c:-1
exit_mmap+0x39e/0x5f0 mm/mmap.c:3213
__mmput+0x115/0x3b0 kernel/fork.c:1127
exec_mmap+0x4d1/0x5c0 fs/exec.c:1035
begin_new_exec+0x7e8/0x1160 fs/exec.c:1293
load_elf_binary+0x98e/0x2890 fs/binfmt_elf.c:1001
search_binary_handler fs/exec.c:1742 [inline]
exec_binprm fs/exec.c:1783 [inline]
bprm_execve+0xa92/0x17d0 fs/exec.c:1852
do_execveat_common+0x51e/0x6d0 fs/exec.c:1957
do_execve fs/exec.c:2027 [inline]
__do_sys_execve fs/exec.c:2103 [inline]
__se_sys_execve fs/exec.c:2098 [inline]
__x64_sys_execve+0x8e/0xa0 fs/exec.c:2098
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd520f37107
Code: Unable to access opcode bytes at RIP 0x7fd520f370dd.
RSP: 002b:00007fffa7e8b458 EFLAGS: 00000202 ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 000055fea1261140 RCX: 00007fd520f37107
RDX: 000055fed79db150 RSI: 00007fffa7e8b570 RDI: 00007fffa7e8bd70
RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000202 R12: 000055fed79db150
R13: 00007fffa7e8b570 R14: 000000000000000d R15: 0000000000000009
WARNING: CPU: 1 PID: 4520 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 1 PID: 4520 Comm: udevd Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 ed f7 d8 ff 85 db 48 c7 c0 f2 ff ff ff 49 0f 44 c6 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 70 f4 d8 ff <0f> 0b e9 1c ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ea fe
RSP: 0018:ffffc90000dd0ba0 EFLAGS: 00010006
RAX: ffffffff819ecfb0 RBX: 0000000000000000 RCX: ffff88801e4a8000
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1ff6e19
R10: fffffbfff1ff6e19 R11: 1ffffffff1ff6e18 R12: ffff88801e4a9788
R13: dffffc0000000000 R14: ffffc90000dd0bc8 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd520f370dd CR3: 000000001e491000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline]
____bpf_probe_read_user kernel/trace/bpf_trace.c:166 [inline]
bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
bpf_prog_2903cf4cc3d681d2+0x3a/0x51c
bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline]
__bpf_prog_run include/linux/filter.h:628 [inline]
bpf_prog_run include/linux/filter.h:635 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline]
bpf_trace_run2+0x15b/0x2d0 kernel/trace/bpf_trace.c:1915
trace_hrtimer_start include/trace/events/timer.h:199 [inline]
debug_activate kernel/time/hrtimer.c:466 [inline]
enqueue_hrtimer+0x314/0x370 kernel/time/hrtimer.c:1074
__run_hrtimer kernel/time/hrtimer.c:1707 [inline]
__hrtimer_run_queues+0x65a/0xc40 kernel/time/hrtimer.c:1754
hrtimer_interrupt+0x3bb/0x8d0 kernel/time/hrtimer.c:1816
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
__sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:paravirt_tlb_remove_table arch/x86/include/asm/paravirt.h:92 [inline]
RIP: 0010:___pte_free_tlb+0x1b4/0x2a0 arch/x86/mm/pgtable.c:57
Code: 42 00 4d 85 ff 75 16 e8 3a 7a 42 00 eb 15 e8 33 7a 42 00 e8 8e e3 72 08 4d 85 ff 74 ea e8 24 7a 42 00 fb 48 c7 c0 40 01 f9 8b <48> c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 0c 48 c7
RSP: 0018:ffffc9000340f5e0 EFLAGS: 00000293
RAX: ffffffff8bf90140 RBX: 0000000000000000 RCX: ffff88801e4a8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000340f6b8 R08: dffffc0000000000 R09: fffffbfff1ff6e2e
R10: fffffbfff1ff6e2e R11: 1ffffffff1ff6e2d R12: ffffea0001f16280
R13: 00000000ffffffff R14: 1ffff92000681ec0 R15: 0000000000000200
__pte_free_tlb arch/x86/include/asm/pgalloc.h:61 [inline]
free_pte_range mm/memory.c:231 [inline]
free_pmd_range mm/memory.c:249 [inline]
free_pud_range mm/memory.c:283 [inline]
free_p4d_range mm/memory.c:317 [inline]
free_pgd_range+0x622/0xb00 mm/memory.c:397
free_pgtables+0x271/0x2a0 mm/memory.c:-1
exit_mmap+0x39e/0x5f0 mm/mmap.c:3213
__mmput+0x115/0x3b0 kernel/fork.c:1127
exec_mmap+0x4d1/0x5c0 fs/exec.c:1035
begin_new_exec+0x7e8/0x1160 fs/exec.c:1293
load_elf_binary+0x98e/0x2890 fs/binfmt_elf.c:1001
search_binary_handler fs/exec.c:1742 [inline]
exec_binprm fs/exec.c:1783 [inline]
bprm_execve+0xa92/0x17d0 fs/exec.c:1852
do_execveat_common+0x51e/0x6d0 fs/exec.c:1957
do_execve fs/exec.c:2027 [inline]
__do_sys_execve fs/exec.c:2103 [inline]
__se_sys_execve fs/exec.c:2098 [inline]
__x64_sys_execve+0x8e/0xa0 fs/exec.c:2098
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd520f37107
Code: Unable to access opcode bytes at RIP 0x7fd520f370dd.
RSP: 002b:00007fffa7e8b458 EFLAGS: 00000202
ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 000055fea1261140 RCX: 00007fd520f37107
RDX: 000055fed79db150 RSI: 00007fffa7e8b570 RDI: 00007fffa7e8bd70
RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000202 R12: 000055fed79db150
R13: 00007fffa7e8b570 R14: 000000000000000d R15: 0000000000000009
----------------
Code disassembly (best guess):
0: 42 00 4d 85 rex.X add %cl,-0x7b(%rbp)
4: ff 75 16 push 0x16(%rbp)
7: e8 3a 7a 42 00 call 0x427a46
c: eb 15 jmp 0x23
e: e8 33 7a 42 00 call 0x427a46
13: e8 8e e3 72 08 call 0x872e3a6
18: 4d 85 ff test %r15,%r15
1b: 74 ea je 0x7
1d: e8 24 7a 42 00 call 0x427a46
22: fb sti
23: 48 c7 c0 40 01 f9 8b mov $0xffffffff8bf90140,%rax
* 2a: 48 c1 e8 03 shr $0x3,%rax <-- trapping instruction
2e: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx
35: fc ff df
38: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1)
3c: 74 0c je 0x4a
3e: 48 rex.W
3f: c7 .byte 0xc7