------------[ cut here ]------------
======================================================
WARNING: possible circular locking dependency detected
5.15.175-syzkaller #0 Not tainted
------------------------------------------------------
syz.0.577/6697 is trying to acquire lock:
ffffffff8c9fc578 ((console_sem).lock){-.-.}-{2:2}, at: down_trylock+0x1c/0xa0 kernel/locking/semaphore.c:138
but task is already holding lock:
ffff8880b8f28098 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x120/0x260 kernel/time/timer.c:946
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #3 (&base->lock){-.-.}-{2:2}:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
lock_timer_base+0x120/0x260 kernel/time/timer.c:946
__mod_timer+0x1d6/0xeb0 kernel/time/timer.c:1019
queue_delayed_work_on+0x156/0x250 kernel/workqueue.c:1715
psi_enqueue kernel/sched/stats.h:104 [inline]
enqueue_task+0x2fe/0x3a0 kernel/sched/core.c:1970
activate_task kernel/sched/core.c:2002 [inline]
wake_up_new_task+0x515/0xb60 kernel/sched/core.c:4519
kernel_clone+0x44e/0x960 kernel/fork.c:2627
kernel_thread+0x168/0x1e0 kernel/fork.c:2655
rest_init+0x21/0x330 init/main.c:706
start_kernel+0x48c/0x540 init/main.c:1140
secondary_startup_64_no_verify+0xb1/0xbb
-> #2 (&rq->__lock){-.-.}-{2:2}:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
_raw_spin_lock_nested+0x2d/0x40 kernel/locking/spinlock.c:368
raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:475
raw_spin_rq_lock kernel/sched/sched.h:1326 [inline]
rq_lock kernel/sched/sched.h:1621 [inline]
task_fork_fair+0x5d/0x350 kernel/sched/fair.c:11488
sched_cgroup_fork+0x2d3/0x330 kernel/sched/core.c:4463
copy_process+0x224a/0x3ef0 kernel/fork.c:2319
kernel_clone+0x210/0x960 kernel/fork.c:2603
kernel_thread+0x168/0x1e0 kernel/fork.c:2655
rest_init+0x21/0x330 init/main.c:706
start_kernel+0x48c/0x540 init/main.c:1140
secondary_startup_64_no_verify+0xb1/0xbb
-> #1 (&p->pi_lock){-.-.}-{2:2}:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
try_to_wake_up+0xae/0x1300 kernel/sched/core.c:4027
up+0x6e/0x90 kernel/locking/semaphore.c:190
__up_console_sem+0x11a/0x1e0 kernel/printk/printk.c:256
console_unlock+0x1145/0x12b0 kernel/printk/printk.c:2760
vprintk_emit+0xbf/0x150 kernel/printk/printk.c:2274
_printk+0xd1/0x120 kernel/printk/printk.c:2299
kauditd_printk_skb kernel/audit.c:549 [inline]
kauditd_hold_skb+0x1b5/0x200 kernel/audit.c:584
kauditd_send_queue+0x2a3/0x2f0 kernel/audit.c:769
kauditd_thread+0x6fb/0xae0 kernel/audit.c:893
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
-> #0 ((console_sem).lock){-.-.}-{2:2}:
check_prev_add kernel/locking/lockdep.c:3053 [inline]
check_prevs_add kernel/locking/lockdep.c:3172 [inline]
validate_chain+0x1649/0x5930 kernel/locking/lockdep.c:3788
__lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
down_trylock+0x1c/0xa0 kernel/locking/semaphore.c:138
__down_trylock_console_sem+0x105/0x250 kernel/printk/printk.c:239
console_trylock kernel/printk/printk.c:2575 [inline]
console_trylock_spinning+0x8a/0x3f0 kernel/printk/printk.c:1867
vprintk_emit+0xa6/0x150 kernel/printk/printk.c:2273
_printk+0xd1/0x120 kernel/printk/printk.c:2299
report_bug+0x1e5/0x2e0 lib/bug.c:195
handle_bug+0x3d/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+0x15c/0x1c0
bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline]
____bpf_probe_read_compat kernel/trace/bpf_trace.c:281 [inline]
bpf_probe_read_compat+0xe4/0x180 kernel/trace/bpf_trace.c:277
bpf_prog_2dbf287f85779254+0x3d/0xf58
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_run3+0x1d1/0x380 kernel/trace/bpf_trace.c:1916
trace_timer_start include/trace/events/timer.h:52 [inline]
enqueue_timer+0x3ae/0x540 kernel/time/timer.c:586
internal_add_timer kernel/time/timer.c:611 [inline]
__mod_timer+0xa60/0xeb0 kernel/time/timer.c:1062
mrp_join_timer_arm net/802/mrp.c:596 [inline]
mrp_join_timer+0x14b/0x180 net/802/mrp.c:611
call_timer_fn+0x16d/0x560 kernel/time/timer.c:1451
expire_timers kernel/time/timer.c:1496 [inline]
__run_timers+0x67c/0x890 kernel/time/timer.c:1767
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
__do_softirq kernel/softirq.c:592 [inline]
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
_compound_head include/linux/page-flags.h:198 [inline]
PageReferenced include/linux/page-flags.h:345 [inline]
mark_page_accessed+0x89/0x1330 mm/swap.c:406
zap_pte_range mm/memory.c:1381 [inline]
zap_pmd_range mm/memory.c:1505 [inline]
zap_pud_range mm/memory.c:1534 [inline]
zap_p4d_range mm/memory.c:1555 [inline]
unmap_page_range+0xe4f/0x2630 mm/memory.c:1576
unmap_vmas+0x1f8/0x390 mm/memory.c:1653
exit_mmap+0x3b6/0x620 mm/mmap.c:3204
__mmput+0x112/0x3b0 kernel/fork.c:1127
exit_mm+0x688/0x7f0 kernel/exit.c:550
do_exit+0x626/0x2480 kernel/exit.c:861
do_group_exit+0x144/0x310 kernel/exit.c:996
__do_sys_exit_group kernel/exit.c:1007 [inline]
__se_sys_exit_group kernel/exit.c:1005 [inline]
__x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1005
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 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_sem).lock --> &rq->__lock --> &base->lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&base->lock);
lock(&rq->__lock);
lock(&base->lock);
lock((console_sem).lock);
*** DEADLOCK ***
5 locks held by syz.0.577/6697:
#0: ffff888064ea5c78 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:363 [inline]
#0: ffff888064ea5c78 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: zap_pte_range mm/memory.c:1342 [inline]
#0: ffff888064ea5c78 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: zap_pmd_range mm/memory.c:1505 [inline]
#0: ffff888064ea5c78 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: zap_pud_range mm/memory.c:1534 [inline]
#0: ffff888064ea5c78 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: zap_p4d_range mm/memory.c:1555 [inline]
#0: ffff888064ea5c78 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: unmap_page_range+0x9c3/0x2630 mm/memory.c:1576
#1: ffffc90000dd0be0 ((&app->join_timer)#2){+.-.}-{0:0}, at: lockdep_copy_map include/linux/lockdep.h:45 [inline]
#1: ffffc90000dd0be0 ((&app->join_timer)#2){+.-.}-{0:0}, at: call_timer_fn+0xbe/0x560 kernel/time/timer.c:1441
#2: ffff8880617fa4c8 (&app->lock#2){+.-.}-{2:2}, at: spin_lock include/linux/spinlock.h:363 [inline]
#2: ffff8880617fa4c8 (&app->lock#2){+.-.}-{2:2}, at: mrp_join_timer+0xc8/0x180 net/802/mrp.c:609
#3: ffff8880b8f28098 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x120/0x260 kernel/time/timer.c:946
#4: ffffffff8cb1fd20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311
stack backtrace:
CPU: 1 PID: 6697 Comm: syz.0.577 Not tainted 5.15.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
check_noncircular+0x2f8/0x3b0 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+0x1649/0x5930 kernel/locking/lockdep.c:3788
__lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
down_trylock+0x1c/0xa0 kernel/locking/semaphore.c:138
__down_trylock_console_sem+0x105/0x250 kernel/printk/printk.c:239
console_trylock kernel/printk/printk.c:2575 [inline]
console_trylock_spinning+0x8a/0x3f0 kernel/printk/printk.c:1867
vprintk_emit+0xa6/0x150 kernel/printk/printk.c:2273
_printk+0xd1/0x120 kernel/printk/printk.c:2299
report_bug+0x1e5/0x2e0 lib/bug.c:195
handle_bug+0x3d/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+0x15c/0x1c0 mm/maccess.c:226
Code: db 48 c7 c0 f2 ff ff ff 48 0f 44 c5 eb 0c e8 5b c4 d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 44 c4 d5 ff <0f> 0b e9 1e ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c ef fe ff
RSP: 0018:ffffc90000dd0850 EFLAGS: 00010046
RAX: ffffffff81aac09c RBX: 0000000000000000 RCX: ffff88802202bb80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aabfad R09: ffffed1004405771
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000020a50000
R13: 0000000000000008 R14: 0000000020a50000 R15: ffffc90000dd08c8
bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline]
____bpf_probe_read_compat kernel/trace/bpf_trace.c:281 [inline]
bpf_probe_read_compat+0xe4/0x180 kernel/trace/bpf_trace.c:277
bpf_prog_2dbf287f85779254+0x3d/0xf58
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_run3+0x1d1/0x380 kernel/trace/bpf_trace.c:1916
trace_timer_start include/trace/events/timer.h:52 [inline]
enqueue_timer+0x3ae/0x540 kernel/time/timer.c:586
internal_add_timer kernel/time/timer.c:611 [inline]
__mod_timer+0xa60/0xeb0 kernel/time/timer.c:1062
mrp_join_timer_arm net/802/mrp.c:596 [inline]
mrp_join_timer+0x14b/0x180 net/802/mrp.c:611
call_timer_fn+0x16d/0x560 kernel/time/timer.c:1451
expire_timers kernel/time/timer.c:1496 [inline]
__run_timers+0x67c/0x890 kernel/time/timer.c:1767
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
__do_softirq kernel/softirq.c:592 [inline]
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:_compound_head include/linux/page-flags.h:198 [inline]
RIP: 0010:PageReferenced include/linux/page-flags.h:345 [inline]
RIP: 0010:mark_page_accessed+0x89/0x1330 mm/swap.c:406
Code: 89 df 4d 8d 77 08 4c 89 f0 48 c1 e8 03 48 89 04 24 42 80 3c 28 00 74 08 4c 89 f7 e8 11 e7 1d 00 49 8b 1e 89 de 83 e6 01 31 ff c2 0e d4 ff f6 c3 01 0f 85 36 0e 00 00 e8 d4 0a d4 ff 4c 89 fb
RSP: 0018:ffffc900035af708 EFLAGS: 00000246
RAX: 1ffffd4000286191 RBX: ffffea000147f308 RCX: ffff88802202bb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffea0001430c88 R08: ffffffff81ac79bc R09: ffffed1004405771
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000209f9000
R13: dffffc0000000000 R14: ffffea0001430c88 R15: ffffea0001430c80
zap_pte_range mm/memory.c:1381 [inline]
zap_pmd_range mm/memory.c:1505 [inline]
zap_pud_range mm/memory.c:1534 [inline]
zap_p4d_range mm/memory.c:1555 [inline]
unmap_page_range+0xe4f/0x2630 mm/memory.c:1576
unmap_vmas+0x1f8/0x390 mm/memory.c:1653
exit_mmap+0x3b6/0x620 mm/mmap.c:3204
__mmput+0x112/0x3b0 kernel/fork.c:1127
exit_mm+0x688/0x7f0 kernel/exit.c:550
do_exit+0x626/0x2480 kernel/exit.c:861
do_group_exit+0x144/0x310 kernel/exit.c:996
__do_sys_exit_group kernel/exit.c:1007 [inline]
__se_sys_exit_group kernel/exit.c:1005 [inline]
__x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1005
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f9d40cadd29
Code: Unable to access opcode bytes at RIP 0x7f9d40cadcff.
RSP: 002b:00007ffc780d3d68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9d40cadd29
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffc780d3dbc R08: 00007ffc780d3e4f R09: 000000000003874f
R10: 0000000000000001 R11: 0000000000000246 R12: 000000000000002e
R13: 000000000003874f R14: 00007ffc780d3e10 R15: 00007ffc780d3e10
WARNING: CPU: 1 PID: 6697 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0
Modules linked in:
CPU: 1 PID: 6697 Comm: syz.0.577 Not tainted 5.15.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:copy_from_user_nofault+0x15c/0x1c0 mm/maccess.c:226
Code: db 48 c7 c0 f2 ff ff ff 48 0f 44 c5 eb 0c e8 5b c4 d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 44 c4 d5 ff <0f> 0b e9 1e ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c ef fe ff
RSP: 0018:ffffc90000dd0850 EFLAGS: 00010046
RAX: ffffffff81aac09c RBX: 0000000000000000 RCX: ffff88802202bb80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aabfad R09: ffffed1004405771
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000020a50000
R13: 0000000000000008 R14: 0000000020a50000 R15: ffffc90000dd08c8
FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3011eff8 CR3: 000000000c88e000 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_compat kernel/trace/bpf_trace.c:281 [inline]
bpf_probe_read_compat+0xe4/0x180 kernel/trace/bpf_trace.c:277
bpf_prog_2dbf287f85779254+0x3d/0xf58
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_run3+0x1d1/0x380 kernel/trace/bpf_trace.c:1916
trace_timer_start include/trace/events/timer.h:52 [inline]
enqueue_timer+0x3ae/0x540 kernel/time/timer.c:586
internal_add_timer kernel/time/timer.c:611 [inline]
__mod_timer+0xa60/0xeb0 kernel/time/timer.c:1062
mrp_join_timer_arm net/802/mrp.c:596 [inline]
mrp_join_timer+0x14b/0x180 net/802/mrp.c:611
call_timer_fn+0x16d/0x560 kernel/time/timer.c:1451
expire_timers kernel/time/timer.c:1496 [inline]
__run_timers+0x67c/0x890 kernel/time/timer.c:1767
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
__do_softirq kernel/softirq.c:592 [inline]
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:_compound_head include/linux/page-flags.h:198 [inline]
RIP: 0010:PageReferenced include/linux/page-flags.h:345 [inline]
RIP: 0010:mark_page_accessed+0x89/0x1330 mm/swap.c:406
Code: 89 df 4d 8d 77 08 4c 89 f0 48 c1 e8 03 48 89 04 24 42 80 3c 28 00 74 08 4c 89 f7 e8 11 e7 1d 00 49 8b 1e 89 de 83 e6 01 31 ff c2 0e d4 ff f6 c3 01 0f 85 36 0e 00 00 e8 d4 0a d4 ff 4c 89 fb
RSP: 0018:ffffc900035af708 EFLAGS: 00000246
RAX: 1ffffd4000286191 RBX: ffffea000147f308 RCX: ffff88802202bb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffea0001430c88 R08: ffffffff81ac79bc R09: ffffed1004405771
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000209f9000
R13: dffffc0000000000 R14: ffffea0001430c88 R15: ffffea0001430c80
zap_pte_range mm/memory.c:1381 [inline]
zap_pmd_range mm/memory.c:1505 [inline]
zap_pud_range mm/memory.c:1534 [inline]
zap_p4d_range mm/memory.c:1555 [inline]
unmap_page_range+0xe4f/0x2630 mm/memory.c:1576
unmap_vmas+0x1f8/0x390 mm/memory.c:1653
exit_mmap+0x3b6/0x620 mm/mmap.c:3204
__mmput+0x112/0x3b0 kernel/fork.c:1127
exit_mm+0x688/0x7f0 kernel/exit.c:550
do_exit+0x626/0x2480 kernel/exit.c:861
do_group_exit+0x144/0x310 kernel/exit.c:996
__do_sys_exit_group kernel/exit.c:1007 [inline]
__se_sys_exit_group kernel/exit.c:1005 [inline]
__x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1005
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f9d40cadd29
Code: Unable to access opcode bytes at RIP 0x7f9d40cadcff.
RSP: 002b:00007ffc780d3d68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9d40cadd29
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffc780d3dbc R08: 00007ffc780d3e4f R09: 000000000003874f
R10: 0000000000000001 R11: 0000000000000246 R12: 000000000000002e
R13: 000000000003874f R14: 00007ffc780d3e10 R15: 00007ffc780d3e10
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Code disassembly (best guess):
0: 89 df mov %ebx,%edi
2: 4d 8d 77 08 lea 0x8(%r15),%r14
6: 4c 89 f0 mov %r14,%rax
9: 48 c1 e8 03 shr $0x3,%rax
d: 48 89 04 24 mov %rax,(%rsp)
11: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1)
16: 74 08 je 0x20
18: 4c 89 f7 mov %r14,%rdi
1b: e8 11 e7 1d 00 call 0x1de731
20: 49 8b 1e mov (%r14),%rbx
23: 89 de mov %ebx,%esi
25: 83 e6 01 and $0x1,%esi
28: 31 ff xor %edi,%edi
* 2a: e8 c2 0e d4 ff call 0xffd40ef1 <-- trapping instruction
2f: f6 c3 01 test $0x1,%bl
32: 0f 85 36 0e 00 00 jne 0xe6e
38: e8 d4 0a d4 ff call 0xffd40b11
3d: 4c 89 fb mov %r15,%rbx