------------[ cut here ]------------ ====================================================== WARNING: possible circular locking dependency detected 6.11.0-rc5-next-20240827-syzkaller #0 Not tainted ------------------------------------------------------ dhcpcd-run-hook/5677 is trying to acquire lock: ffffffff8e815278 ((console_sem).lock){-...}-{2:2}, at: down_trylock+0x20/0xa0 kernel/locking/semaphore.c:139 but task is already holding lock: ffff8880b903ead8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0xb0/0x140 kernel/sched/core.c:595 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&rq->__lock){-.-.}-{2:2}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:587 raw_spin_rq_lock kernel/sched/sched.h:1488 [inline] task_rq_lock+0xc6/0x360 kernel/sched/core.c:689 cgroup_move_task+0x92/0x2d0 kernel/sched/psi.c:1161 css_set_move_task+0x72e/0x950 kernel/cgroup/cgroup.c:898 cgroup_post_fork+0x256/0x880 kernel/cgroup/cgroup.c:6690 copy_process+0x39e9/0x3d50 kernel/fork.c:2598 kernel_clone+0x226/0x8f0 kernel/fork.c:2784 user_mode_thread+0x132/0x1a0 kernel/fork.c:2862 rest_init+0x23/0x300 init/main.c:712 start_kernel+0x47f/0x500 init/main.c:1105 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:507 x86_64_start_kernel+0x9f/0xa0 arch/x86/kernel/head64.c:488 common_startup_64+0x13e/0x147 -> #1 (&p->pi_lock){-.-.}-{2:2}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:551 [inline] try_to_wake_up+0xb0/0x1480 kernel/sched/core.c:4150 up+0x72/0x90 kernel/locking/semaphore.c:191 __up_console_sem kernel/printk/printk.c:342 [inline] __console_unlock kernel/printk/printk.c:2828 [inline] console_unlock+0x22f/0x4d0 kernel/printk/printk.c:3155 vprintk_emit+0x87d/0xa10 kernel/printk/printk.c:2399 _printk+0xd5/0x120 kernel/printk/printk.c:2424 ieee80211_sta_create_ibss+0x30f/0x650 net/mac80211/ibss.c:1315 ieee80211_sta_find_ibss net/mac80211/ibss.c:1451 [inline] ieee80211_ibss_work+0xde5/0x14c0 net/mac80211/ibss.c:1668 cfg80211_wiphy_work+0x2db/0x490 net/wireless/core.c:440 process_one_work kernel/workqueue.c:3232 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3313 worker_thread+0x86d/0xd10 kernel/workqueue.c:3390 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 -> #0 ((console_sem).lock){-...}-{2:2}: check_prev_add kernel/locking/lockdep.c:3161 [inline] check_prevs_add kernel/locking/lockdep.c:3280 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3904 __lock_acquire+0x1384/0x2050 kernel/locking/lockdep.c:5202 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 down_trylock+0x20/0xa0 kernel/locking/semaphore.c:139 __down_trylock_console_sem+0x109/0x250 kernel/printk/printk.c:325 console_trylock kernel/printk/printk.c:2811 [inline] console_trylock_spinning kernel/printk/printk.c:1985 [inline] vprintk_emit+0x4b2/0xa10 kernel/printk/printk.c:2398 _printk+0xd5/0x120 kernel/printk/printk.c:2424 __report_bug lib/bug.c:195 [inline] report_bug+0x346/0x500 lib/bug.c:219 handle_bug+0x60/0x90 arch/x86/kernel/traps.c:285 exc_invalid_op+0x1a/0x50 arch/x86/kernel/traps.c:309 asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:621 place_entity+0x463/0x520 kernel/sched/fair.c:5337 enqueue_entity+0x271/0x1920 kernel/sched/fair.c:5409 enqueue_task_fair+0x206/0xe30 kernel/sched/fair.c:6985 enqueue_task+0x1a5/0x300 kernel/sched/core.c:2014 activate_task kernel/sched/core.c:2056 [inline] ttwu_do_activate+0x1d1/0x7e0 kernel/sched/core.c:3665 ttwu_queue kernel/sched/core.c:3940 [inline] try_to_wake_up+0x8bc/0x1480 kernel/sched/core.c:4266 hrtimer_wakeup+0x62/0x80 kernel/time/hrtimer.c:1927 __run_hrtimer kernel/time/hrtimer.c:1691 [inline] __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1755 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1817 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1026 [inline] __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1043 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1037 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 preempt_count_sub+0x7/0x170 kernel/sched/core.c:5801 unwind_next_frame+0x18e6/0x22d0 arch/x86/kernel/unwind_orc.c:672 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2299 [inline] slab_free mm/slub.c:4525 [inline] kmem_cache_free+0x194/0x3d0 mm/slub.c:4627 anon_vma_chain_free mm/rmap.c:148 [inline] unlink_anon_vmas+0x5a0/0x5f0 mm/rmap.c:448 free_pgtables+0x567/0x840 mm/memory.c:409 exit_mmap+0x48e/0xc40 mm/mmap.c:1876 __mmput+0x115/0x390 kernel/fork.c:1347 exec_mmap+0x680/0x710 fs/exec.c:1013 begin_new_exec+0x12c0/0x2050 fs/exec.c:1279 load_elf_binary+0x966/0x2710 fs/binfmt_elf.c:996 search_binary_handler fs/exec.c:1751 [inline] exec_binprm fs/exec.c:1793 [inline] bprm_execve+0xaf8/0x1770 fs/exec.c:1844 do_execveat_common+0x55f/0x6f0 fs/exec.c:1951 do_execve fs/exec.c:2025 [inline] __do_sys_execve fs/exec.c:2101 [inline] __se_sys_execve fs/exec.c:2096 [inline] __x64_sys_execve+0x92/0xb0 fs/exec.c:2096 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 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_sem).lock --> &p->pi_lock --> &rq->__lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&rq->__lock); lock(&p->pi_lock); lock(&rq->__lock); lock((console_sem).lock); *** DEADLOCK *** 5 locks held by dhcpcd-run-hook/5677: #0: ffff888025e198c0 (&sig->cred_guard_mutex){+.+.}-{3:3}, at: prepare_bprm_creds fs/exec.c:1463 [inline] #0: ffff888025e198c0 (&sig->cred_guard_mutex){+.+.}-{3:3}, at: bprm_execve+0xd1/0x1770 fs/exec.c:1824 #1: ffff888025e19958 (&sig->exec_update_lock){++++}-{3:3}, at: exec_mmap+0xe4/0x710 fs/exec.c:968 #2: ffff88802ae54d98 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock include/linux/mmap_lock.h:106 [inline] #2: ffff88802ae54d98 (&mm->mmap_lock){++++}-{3:3}, at: exit_mmap+0x2bd/0xc40 mm/mmap.c:1873 #3: ffff88801937c618 (&p->pi_lock){-.-.}-{2:2}, at: class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:551 [inline] #3: ffff88801937c618 (&p->pi_lock){-.-.}-{2:2}, at: try_to_wake_up+0xb0/0x1480 kernel/sched/core.c:4150 #4: ffff8880b903ead8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0xb0/0x140 kernel/sched/core.c:595 stack backtrace: CPU: 1 UID: 0 PID: 5677 Comm: dhcpcd-run-hook Not tainted 6.11.0-rc5-next-20240827-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_circular_bug+0x13a/0x1b0 kernel/locking/lockdep.c:2074 check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2206 check_prev_add kernel/locking/lockdep.c:3161 [inline] check_prevs_add kernel/locking/lockdep.c:3280 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3904 __lock_acquire+0x1384/0x2050 kernel/locking/lockdep.c:5202 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 down_trylock+0x20/0xa0 kernel/locking/semaphore.c:139 __down_trylock_console_sem+0x109/0x250 kernel/printk/printk.c:325 console_trylock kernel/printk/printk.c:2811 [inline] console_trylock_spinning kernel/printk/printk.c:1985 [inline] vprintk_emit+0x4b2/0xa10 kernel/printk/printk.c:2398 _printk+0xd5/0x120 kernel/printk/printk.c:2424 __report_bug lib/bug.c:195 [inline] report_bug+0x346/0x500 lib/bug.c:219 handle_bug+0x60/0x90 arch/x86/kernel/traps.c:285 exc_invalid_op+0x1a/0x50 arch/x86/kernel/traps.c:309 asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:621 RIP: 0010:place_entity+0x463/0x520 kernel/sched/fair.c:5337 Code: 27 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 48 8b 3c 24 4c 89 fe e8 77 14 00 00 48 89 04 24 e9 e0 fd ff ff 90 <0f> 0b 90 41 bd 01 00 00 00 e9 22 ff ff ff 89 d9 80 e1 07 38 c1 0f RSP: 0018:ffffc90000a18a10 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000100000 RDX: 0000000000000400 RSI: ffff88801937bc80 RDI: ffff88801937bd00 RBP: dffffc0000000000 R08: ffff88807c4387c7 R09: 1ffff1100f8870f8 R10: dffffc0000000000 R11: ffffed100f8870f9 R12: 00000000326e0d6f R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801937bc80 enqueue_entity+0x271/0x1920 kernel/sched/fair.c:5409 enqueue_task_fair+0x206/0xe30 kernel/sched/fair.c:6985 enqueue_task+0x1a5/0x300 kernel/sched/core.c:2014 activate_task kernel/sched/core.c:2056 [inline] ttwu_do_activate+0x1d1/0x7e0 kernel/sched/core.c:3665 ttwu_queue kernel/sched/core.c:3940 [inline] try_to_wake_up+0x8bc/0x1480 kernel/sched/core.c:4266 hrtimer_wakeup+0x62/0x80 kernel/time/hrtimer.c:1927 __run_hrtimer kernel/time/hrtimer.c:1691 [inline] __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1755 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1817 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1026 [inline] __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1043 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1037 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:preempt_count_sub+0x7/0x170 kernel/sched/core.c:5801 Code: c7 90 66 1c 90 e8 b9 ea 99 00 e9 66 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 56 53 <89> fb 48 c7 c0 40 b9 f9 94 48 c1 e8 03 49 be 00 00 00 00 00 fc ff RSP: 0018:ffffc9000313efb8 EFLAGS: 00000202 RAX: ffffc90003140000 RBX: ffffc9000313f0b0 RCX: ffffc9000313fee8 RDX: dffffc0000000000 RSI: ffffc90003138000 RDI: 0000000000000001 RBP: ffffc9000313f0a0 R08: ffffc9000313fed0 R09: 0000000000000000 R10: ffffc9000313f0f0 R11: fffff52000627e20 R12: dffffc0000000000 R13: ffffc9000313f0a0 R14: ffffc90003138000 R15: ffffc9000313fee0 unwind_next_frame+0x18e6/0x22d0 arch/x86/kernel/unwind_orc.c:672 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2299 [inline] slab_free mm/slub.c:4525 [inline] kmem_cache_free+0x194/0x3d0 mm/slub.c:4627 anon_vma_chain_free mm/rmap.c:148 [inline] unlink_anon_vmas+0x5a0/0x5f0 mm/rmap.c:448 free_pgtables+0x567/0x840 mm/memory.c:409 exit_mmap+0x48e/0xc40 mm/mmap.c:1876 __mmput+0x115/0x390 kernel/fork.c:1347 exec_mmap+0x680/0x710 fs/exec.c:1013 begin_new_exec+0x12c0/0x2050 fs/exec.c:1279 load_elf_binary+0x966/0x2710 fs/binfmt_elf.c:996 search_binary_handler fs/exec.c:1751 [inline] exec_binprm fs/exec.c:1793 [inline] bprm_execve+0xaf8/0x1770 fs/exec.c:1844 do_execveat_common+0x55f/0x6f0 fs/exec.c:1951 do_execve fs/exec.c:2025 [inline] __do_sys_execve fs/exec.c:2101 [inline] __se_sys_execve fs/exec.c:2096 [inline] __x64_sys_execve+0x92/0xb0 fs/exec.c:2096 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2e22d49ef7 Code: Unable to access opcode bytes at 0x7f2e22d49ecd. RSP: 002b:00007ffd50fbab68 EFLAGS: 00000246 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 000055f754238e28 RCX: 00007f2e22d49ef7 RDX: 000055f754238e48 RSI: 000055f754238e28 RDI: 000055f754238ed0 RBP: 000055f754238ed0 R08: 000055f754238ed5 R09: 00007ffd50fbceb4 R10: 0000000000000008 R11: 0000000000000246 R12: 000055f754238e48 R13: 00007f2e22ef7904 R14: 000055f754238e48 R15: 0000000000000000 WARNING: CPU: 1 PID: 5677 at kernel/sched/fair.c:5337 place_entity+0x463/0x520 kernel/sched/fair.c:5337 Modules linked in: CPU: 1 UID: 0 PID: 5677 Comm: dhcpcd-run-hook Not tainted 6.11.0-rc5-next-20240827-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:place_entity+0x463/0x520 kernel/sched/fair.c:5337 Code: 27 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 48 8b 3c 24 4c 89 fe e8 77 14 00 00 48 89 04 24 e9 e0 fd ff ff 90 <0f> 0b 90 41 bd 01 00 00 00 e9 22 ff ff ff 89 d9 80 e1 07 38 c1 0f RSP: 0018:ffffc90000a18a10 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000100000 RDX: 0000000000000400 RSI: ffff88801937bc80 RDI: ffff88801937bd00 RBP: dffffc0000000000 R08: ffff88807c4387c7 R09: 1ffff1100f8870f8 R10: dffffc0000000000 R11: ffffed100f8870f9 R12: 00000000326e0d6f R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801937bc80 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2e22d49ecd CR3: 000000005b8ee000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: enqueue_entity+0x271/0x1920 kernel/sched/fair.c:5409 enqueue_task_fair+0x206/0xe30 kernel/sched/fair.c:6985 enqueue_task+0x1a5/0x300 kernel/sched/core.c:2014 activate_task kernel/sched/core.c:2056 [inline] ttwu_do_activate+0x1d1/0x7e0 kernel/sched/core.c:3665 ttwu_queue kernel/sched/core.c:3940 [inline] try_to_wake_up+0x8bc/0x1480 kernel/sched/core.c:4266 hrtimer_wakeup+0x62/0x80 kernel/time/hrtimer.c:1927 __run_hrtimer kernel/time/hrtimer.c:1691 [inline] __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1755 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1817 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1026 [inline] __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1043 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1037 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:preempt_count_sub+0x7/0x170 kernel/sched/core.c:5801 Code: c7 90 66 1c 90 e8 b9 ea 99 00 e9 66 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 56 53 <89> fb 48 c7 c0 40 b9 f9 94 48 c1 e8 03 49 be 00 00 00 00 00 fc ff RSP: 0018:ffffc9000313efb8 EFLAGS: 00000202 RAX: ffffc90003140000 RBX: ffffc9000313f0b0 RCX: ffffc9000313fee8 RDX: dffffc0000000000 RSI: ffffc90003138000 RDI: 0000000000000001 RBP: ffffc9000313f0a0 R08: ffffc9000313fed0 R09: 0000000000000000 R10: ffffc9000313f0f0 R11: fffff52000627e20 R12: dffffc0000000000 R13: ffffc9000313f0a0 R14: ffffc90003138000 R15: ffffc9000313fee0 unwind_next_frame+0x18e6/0x22d0 arch/x86/kernel/unwind_orc.c:672 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2299 [inline] slab_free mm/slub.c:4525 [inline] kmem_cache_free+0x194/0x3d0 mm/slub.c:4627 anon_vma_chain_free mm/rmap.c:148 [inline] unlink_anon_vmas+0x5a0/0x5f0 mm/rmap.c:448 free_pgtables+0x567/0x840 mm/memory.c:409 exit_mmap+0x48e/0xc40 mm/mmap.c:1876 __mmput+0x115/0x390 kernel/fork.c:1347 exec_mmap+0x680/0x710 fs/exec.c:1013 begin_new_exec+0x12c0/0x2050 fs/exec.c:1279 load_elf_binary+0x966/0x2710 fs/binfmt_elf.c:996 search_binary_handler fs/exec.c:1751 [inline] exec_binprm fs/exec.c:1793 [inline] bprm_execve+0xaf8/0x1770 fs/exec.c:1844 do_execveat_common+0x55f/0x6f0 fs/exec.c:1951 do_execve fs/exec.c:2025 [inline] __do_sys_execve fs/exec.c:2101 [inline] __se_sys_execve fs/exec.c:2096 [inline] __x64_sys_execve+0x92/0xb0 fs/exec.c:2096 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2e22d49ef7 Code: Unable to access opcode bytes at 0x7f2e22d49ecd. RSP: 002b:00007ffd50fbab68 EFLAGS: 00000246 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 000055f754238e28 RCX: 00007f2e22d49ef7 RDX: 000055f754238e48 RSI: 000055f754238e28 RDI: 000055f754238ed0 RBP: 000055f754238ed0 R08: 000055f754238ed5 R09: 00007ffd50fbceb4 R10: 0000000000000008 R11: 0000000000000246 R12: 000055f754238e48 R13: 00007f2e22ef7904 R14: 000055f754238e48 R15: 0000000000000000 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 90 nop 1: 66 1c 90 data16 sbb $0x90,%al 4: e8 b9 ea 99 00 call 0x99eac2 9: e9 66 ff ff ff jmp 0xffffff74 e: 0f 1f 40 00 nopl 0x0(%rax) 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 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: f3 0f 1e fa endbr64 26: 41 56 push %r14 28: 53 push %rbx * 29: 89 fb mov %edi,%ebx <-- trapping instruction 2b: 48 c7 c0 40 b9 f9 94 mov $0xffffffff94f9b940,%rax 32: 48 c1 e8 03 shr $0x3,%rax 36: 49 rex.WB 37: be 00 00 00 00 mov $0x0,%esi 3c: 00 fc add %bh,%ah 3e: ff .byte 0xff