| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2024/04/27 | upstream (ToT) | 2c8159388952 | C | Didn't crash |
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| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2024/04/27 | upstream (ToT) | 2c8159388952 | C | Didn't crash |
| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| linux-5.15 | possible deadlock in hrtimer_run_queues | C | 20 | 23d | 49d | 0/3 | upstream: reported C repro on 2024/03/15 12:42 | ||
| upstream | possible deadlock in hrtimer_run_queues net bpf | C | error | 592 | 7d16h | 44d | 25/26 | upstream: reported C repro on 2024/03/19 22:29 |
=====================================================
WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected
6.1.84-syzkaller #0 Not tainted
-----------------------------------------------------
syz-executor349/3552 [HC0[0]:SC0[2]:HE0:SE0] is trying to acquire:
ffff88807c402d68 (&htab->buckets[i].lock){+.-.}-{2:2}, at: sock_hash_delete_elem+0xac/0x2f0 net/core/sock_map.c:932
and this task is already holding:
ffff8880b992a4d8 (hrtimer_bases.lock){-.-.}-{2:2}, at: lock_hrtimer_base kernel/time/hrtimer.c:173 [inline]
ffff8880b992a4d8 (hrtimer_bases.lock){-.-.}-{2:2}, at: hrtimer_start_range_ns+0xd8/0xc50 kernel/time/hrtimer.c:1297
which would create a new lock dependency:
(hrtimer_bases.lock){-.-.}-{2:2} -> (&htab->buckets[i].lock){+.-.}-{2:2}
but this new dependency connects a HARDIRQ-irq-safe lock:
(hrtimer_bases.lock){-.-.}-{2:2}
... which became HARDIRQ-irq-safe at:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
hrtimer_run_queues+0x181/0x450 kernel/time/hrtimer.c:1916
run_local_timers kernel/time/timer.c:1845 [inline]
update_process_times+0x7b/0x1b0 kernel/time/timer.c:1868
tick_periodic+0x197/0x210 kernel/time/tick-common.c:100
tick_handle_periodic+0x46/0x150 kernel/time/tick-common.c:112
timer_interrupt+0x4d/0x60 arch/x86/kernel/time.c:57
__handle_irq_event_percpu+0x2a8/0xb20 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0x85/0x1e0 kernel/irq/handle.c:210
handle_level_irq+0x3ab/0x6c0 kernel/irq/chip.c:650
generic_handle_irq_desc include/linux/irqdesc.h:158 [inline]
handle_irq arch/x86/kernel/irq.c:231 [inline]
__common_interrupt+0xd7/0x1f0 arch/x86/kernel/irq.c:250
common_interrupt+0x9f/0xc0 arch/x86/kernel/irq.c:240
asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:644
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
__setup_irq+0x12fa/0x1d80 kernel/irq/manage.c:1809
request_threaded_irq+0x2a7/0x380 kernel/irq/manage.c:2198
request_irq include/linux/interrupt.h:168 [inline]
setup_default_timer_irq+0x1f/0x30 arch/x86/kernel/time.c:70
x86_late_time_init+0x51/0x86 arch/x86/kernel/time.c:94
start_kernel+0x414/0x53f init/main.c:1102
secondary_startup_64_no_verify+0xcf/0xdb
to a HARDIRQ-irq-unsafe lock:
(&htab->buckets[i].lock){+.-.}-{2:2}
... which became HARDIRQ-irq-unsafe at:
...
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
_raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178
sock_hash_delete_elem+0xac/0x2f0 net/core/sock_map.c:932
bpf_prog_a8aaa52f2e199321+0x46/0x46
bpf_dispatcher_nop_func include/linux/bpf.h:989 [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:2273 [inline]
bpf_trace_run4+0x253/0x470 kernel/trace/bpf_trace.c:2314
__bpf_trace_mm_page_alloc+0xba/0xe0 include/trace/events/kmem.h:177
trace_mm_page_alloc include/trace/events/kmem.h:177 [inline]
__alloc_pages+0x717/0x770 mm/page_alloc.c:5569
alloc_slab_page+0x6a/0x150 mm/slub.c:1794
allocate_slab mm/slub.c:1939 [inline]
new_slab+0x84/0x2d0 mm/slub.c:1992
___slab_alloc+0xc20/0x1270 mm/slub.c:3180
__slab_alloc mm/slub.c:3279 [inline]
slab_alloc_node mm/slub.c:3364 [inline]
slab_alloc mm/slub.c:3406 [inline]
__kmem_cache_alloc_lru mm/slub.c:3413 [inline]
kmem_cache_alloc+0x1a5/0x2d0 mm/slub.c:3422
kmem_cache_zalloc include/linux/slab.h:682 [inline]
__proc_create+0x419/0x9f0 fs/proc/generic.c:426
proc_create_reg fs/proc/generic.c:553 [inline]
proc_create_single_data+0x123/0x240 fs/proc/generic.c:653
snmp6_register_dev+0xa1/0x110 net/ipv6/proc.c:256
ipv6_add_dev+0x611/0x1180 net/ipv6/addrconf.c:414
addrconf_notify+0x7a6/0xf60 net/ipv6/addrconf.c:3577
notifier_call_chain kernel/notifier.c:87 [inline]
raw_notifier_call_chain+0xd0/0x170 kernel/notifier.c:455
call_netdevice_notifiers_info net/core/dev.c:1970 [inline]
call_netdevice_notifiers_extack net/core/dev.c:2008 [inline]
call_netdevice_notifiers+0x145/0x1b0 net/core/dev.c:2022
register_netdevice+0x12f2/0x1720 net/core/dev.c:10132
__ip_tunnel_create+0x2b0/0x370 net/ipv4/ip_tunnel.c:267
ip_tunnel_init_net+0x21f/0x700 net/ipv4/ip_tunnel.c:1100
ops_init+0x356/0x600 net/core/net_namespace.c:135
setup_net+0x4b5/0xb90 net/core/net_namespace.c:332
copy_net_ns+0x395/0x5d0 net/core/net_namespace.c:478
create_new_namespaces+0x425/0x7a0 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0x11e/0x170 kernel/nsproxy.c:226
ksys_unshare+0x580/0xb20 kernel/fork.c:3203
__do_sys_unshare kernel/fork.c:3274 [inline]
__se_sys_unshare kernel/fork.c:3272 [inline]
__x64_sys_unshare+0x34/0x40 kernel/fork.c:3272
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
other info that might help us debug this:
Possible interrupt unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&htab->buckets[i].lock);
local_irq_disable();
lock(hrtimer_bases.lock);
lock(&htab->buckets[i].lock);
<Interrupt>
lock(hrtimer_bases.lock);
*** DEADLOCK ***
2 locks held by syz-executor349/3552:
#0: ffff8880b992a4d8 (hrtimer_bases.lock){-.-.}-{2:2}, at: lock_hrtimer_base kernel/time/hrtimer.c:173 [inline]
#0: ffff8880b992a4d8 (hrtimer_bases.lock){-.-.}-{2:2}, at: hrtimer_start_range_ns+0xd8/0xc50 kernel/time/hrtimer.c:1297
#1: ffffffff8d12a980 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
#1: ffffffff8d12a980 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline]
#1: ffffffff8d12a980 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2272 [inline]
#1: ffffffff8d12a980 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run4+0x16a/0x470 kernel/trace/bpf_trace.c:2314
the dependencies between HARDIRQ-irq-safe lock and the holding lock:
-> (hrtimer_bases.lock){-.-.}-{2:2} {
IN-HARDIRQ-W at:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
hrtimer_run_queues+0x181/0x450 kernel/time/hrtimer.c:1916
run_local_timers kernel/time/timer.c:1845 [inline]
update_process_times+0x7b/0x1b0 kernel/time/timer.c:1868
tick_periodic+0x197/0x210 kernel/time/tick-common.c:100
tick_handle_periodic+0x46/0x150 kernel/time/tick-common.c:112
timer_interrupt+0x4d/0x60 arch/x86/kernel/time.c:57
__handle_irq_event_percpu+0x2a8/0xb20 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0x85/0x1e0 kernel/irq/handle.c:210
handle_level_irq+0x3ab/0x6c0 kernel/irq/chip.c:650
generic_handle_irq_desc include/linux/irqdesc.h:158 [inline]
handle_irq arch/x86/kernel/irq.c:231 [inline]
__common_interrupt+0xd7/0x1f0 arch/x86/kernel/irq.c:250
common_interrupt+0x9f/0xc0 arch/x86/kernel/irq.c:240
asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:644
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
__setup_irq+0x12fa/0x1d80 kernel/irq/manage.c:1809
request_threaded_irq+0x2a7/0x380 kernel/irq/manage.c:2198
request_irq include/linux/interrupt.h:168 [inline]
setup_default_timer_irq+0x1f/0x30 arch/x86/kernel/time.c:70
x86_late_time_init+0x51/0x86 arch/x86/kernel/time.c:94
start_kernel+0x414/0x53f init/main.c:1102
secondary_startup_64_no_verify+0xcf/0xdb
IN-SOFTIRQ-W at:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
hrtimer_interrupt+0xf7/0x980 kernel/time/hrtimer.c:1793
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
__sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
arch_local_irq_enable arch/x86/include/asm/irqflags.h:80 [inline]
__do_softirq+0x1f3/0xa4c kernel/softirq.c:555
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x155/0x240 kernel/softirq.c:650
irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
common_interrupt+0xa4/0xc0 arch/x86/kernel/irq.c:240
asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:644
finish_task_switch+0x1d3/0x810 kernel/sched/core.c:5124
context_switch kernel/sched/core.c:5248 [inline]
__schedule+0x1435/0x4550 kernel/sched/core.c:6558
schedule_idle+0x4a/0x90 kernel/sched/core.c:6662
do_idle+0x62d/0x680 kernel/sched/idle.c:331
cpu_startup_entry+0x3d/0x60 kernel/sched/idle.c:401
start_secondary+0xe4/0xf0 arch/x86/kernel/smpboot.c:281
secondary_startup_64_no_verify+0xcf/0xdb
INITIAL USE at:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
hrtimer_run_queues+0x181/0x450 kernel/time/hrtimer.c:1916
run_local_timers kernel/time/timer.c:1845 [inline]
update_process_times+0x7b/0x1b0 kernel/time/timer.c:1868
tick_periodic+0x197/0x210 kernel/time/tick-common.c:100
tick_handle_periodic+0x46/0x150 kernel/time/tick-common.c:112
timer_interrupt+0x4d/0x60 arch/x86/kernel/time.c:57
__handle_irq_event_percpu+0x2a8/0xb20 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0x85/0x1e0 kernel/irq/handle.c:210
handle_level_irq+0x3ab/0x6c0 kernel/irq/chip.c:650
generic_handle_irq_desc include/linux/irqdesc.h:158 [inline]
handle_irq arch/x86/kernel/irq.c:231 [inline]
__common_interrupt+0xd7/0x1f0 arch/x86/kernel/irq.c:250
common_interrupt+0x9f/0xc0 arch/x86/kernel/irq.c:240
asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:644
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
__setup_irq+0x12fa/0x1d80 kernel/irq/manage.c:1809
request_threaded_irq+0x2a7/0x380 kernel/irq/manage.c:2198
request_irq include/linux/interrupt.h:168 [inline]
setup_default_timer_irq+0x1f/0x30 arch/x86/kernel/time.c:70
x86_late_time_init+0x51/0x86 arch/x86/kernel/time.c:94
start_kernel+0x414/0x53f init/main.c:1102
secondary_startup_64_no_verify+0xcf/0xdb
}
... key at: [<ffff8880b982a4d8>] 0xffff8880b982a4d8
the dependencies between the lock to be acquired
and HARDIRQ-irq-unsafe lock:
-> (&htab->buckets[i].lock){+.-.}-{2:2} {
HARDIRQ-ON-W at:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
_raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178
sock_hash_delete_elem+0xac/0x2f0 net/core/sock_map.c:932
bpf_prog_a8aaa52f2e199321+0x46/0x46
bpf_dispatcher_nop_func include/linux/bpf.h:989 [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:2273 [inline]
bpf_trace_run4+0x253/0x470 kernel/trace/bpf_trace.c:2314
__bpf_trace_mm_page_alloc+0xba/0xe0 include/trace/events/kmem.h:177
trace_mm_page_alloc include/trace/events/kmem.h:177 [inline]
__alloc_pages+0x717/0x770 mm/page_alloc.c:5569
alloc_slab_page+0x6a/0x150 mm/slub.c:1794
allocate_slab mm/slub.c:1939 [inline]
new_slab+0x84/0x2d0 mm/slub.c:1992
___slab_alloc+0xc20/0x1270 mm/slub.c:3180
__slab_alloc mm/slub.c:3279 [inline]
slab_alloc_node mm/slub.c:3364 [inline]
slab_alloc mm/slub.c:3406 [inline]
__kmem_cache_alloc_lru mm/slub.c:3413 [inline]
kmem_cache_alloc+0x1a5/0x2d0 mm/slub.c:3422
kmem_cache_zalloc include/linux/slab.h:682 [inline]
__proc_create+0x419/0x9f0 fs/proc/generic.c:426
proc_create_reg fs/proc/generic.c:553 [inline]
proc_create_single_data+0x123/0x240 fs/proc/generic.c:653
snmp6_register_dev+0xa1/0x110 net/ipv6/proc.c:256
ipv6_add_dev+0x611/0x1180 net/ipv6/addrconf.c:414
addrconf_notify+0x7a6/0xf60 net/ipv6/addrconf.c:3577
notifier_call_chain kernel/notifier.c:87 [inline]
raw_notifier_call_chain+0xd0/0x170 kernel/notifier.c:455
call_netdevice_notifiers_info net/core/dev.c:1970 [inline]
call_netdevice_notifiers_extack net/core/dev.c:2008 [inline]
call_netdevice_notifiers+0x145/0x1b0 net/core/dev.c:2022
register_netdevice+0x12f2/0x1720 net/core/dev.c:10132
__ip_tunnel_create+0x2b0/0x370 net/ipv4/ip_tunnel.c:267
ip_tunnel_init_net+0x21f/0x700 net/ipv4/ip_tunnel.c:1100
ops_init+0x356/0x600 net/core/net_namespace.c:135
setup_net+0x4b5/0xb90 net/core/net_namespace.c:332
copy_net_ns+0x395/0x5d0 net/core/net_namespace.c:478
create_new_namespaces+0x425/0x7a0 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0x11e/0x170 kernel/nsproxy.c:226
ksys_unshare+0x580/0xb20 kernel/fork.c:3203
__do_sys_unshare kernel/fork.c:3274 [inline]
__se_sys_unshare kernel/fork.c:3272 [inline]
__x64_sys_unshare+0x34/0x40 kernel/fork.c:3272
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
IN-SOFTIRQ-W at:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
_raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178
sock_hash_delete_elem+0xac/0x2f0 net/core/sock_map.c:932
0xffffffffa0002066
bpf_dispatcher_nop_func include/linux/bpf.h:989 [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:2273 [inline]
bpf_trace_run4+0x253/0x470 kernel/trace/bpf_trace.c:2314
__bpf_trace_mm_page_alloc+0xba/0xe0 include/trace/events/kmem.h:177
__traceiter_mm_page_alloc+0x35/0x50 include/trace/events/kmem.h:177
trace_mm_page_alloc include/trace/events/kmem.h:177 [inline]
__alloc_pages+0x717/0x770 mm/page_alloc.c:5569
__alloc_pages_node include/linux/gfp.h:237 [inline]
alloc_pages_node+0x127/0x1b0 include/linux/gfp.h:260
page_frag_alloc_1k net/core/skbuff.c:163 [inline]
__napi_alloc_skb+0x34b/0x520 net/core/skbuff.c:681
napi_alloc_skb include/linux/skbuff.h:3231 [inline]
page_to_skb+0x282/0xb60 drivers/net/virtio_net.c:501
receive_mergeable drivers/net/virtio_net.c:1128 [inline]
receive_buf+0x436/0x5520 drivers/net/virtio_net.c:1267
virtnet_receive drivers/net/virtio_net.c:1562 [inline]
virtnet_poll+0x6d3/0x1470 drivers/net/virtio_net.c:1680
__napi_poll+0xc7/0x470 net/core/dev.c:6537
napi_poll net/core/dev.c:6604 [inline]
net_rx_action+0x70f/0xeb0 net/core/dev.c:6718
__do_softirq+0x2e9/0xa4c kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x155/0x240 kernel/softirq.c:650
irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
common_interrupt+0xa4/0xc0 arch/x86/kernel/irq.c:240
asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:644
bytes_is_nonzero mm/kasan/generic.c:84 [inline]
memory_is_nonzero mm/kasan/generic.c:102 [inline]
memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
memory_is_poisoned mm/kasan/generic.c:159 [inline]
check_region_inline mm/kasan/generic.c:180 [inline]
kasan_check_range+0x71/0x290 mm/kasan/generic.c:189
instrument_atomic_read include/linux/instrumented.h:72 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
cpumask_test_cpu include/linux/cpumask.h:444 [inline]
cpu_online include/linux/cpumask.h:1030 [inline]
trace_lock_release include/trace/events/lock.h:69 [inline]
lock_release+0xc7/0xa20 kernel/locking/lockdep.c:5673
rcu_lock_release include/linux/rcupdate.h:355 [inline]
rcu_read_unlock include/linux/rcupdate.h:824 [inline]
__d_lookup+0x6d6/0x790 fs/dcache.c:2505
lookup_fast+0x74/0x490 fs/namei.c:1648
open_last_lookups fs/namei.c:3521 [inline]
path_openat+0x640/0x2e60 fs/namei.c:3782
do_filp_open+0x230/0x480 fs/namei.c:3812
do_sys_openat2+0x13b/0x500 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1345
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
INITIAL USE at:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
_raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178
sock_hash_delete_elem+0xac/0x2f0 net/core/sock_map.c:932
bpf_prog_a8aaa52f2e199321+0x46/0x46
bpf_dispatcher_nop_func include/linux/bpf.h:989 [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:2273 [inline]
bpf_trace_run4+0x253/0x470 kernel/trace/bpf_trace.c:2314
__bpf_trace_mm_page_alloc+0xba/0xe0 include/trace/events/kmem.h:177
trace_mm_page_alloc include/trace/events/kmem.h:177 [inline]
__alloc_pages+0x717/0x770 mm/page_alloc.c:5569
alloc_slab_page+0x6a/0x150 mm/slub.c:1794
allocate_slab mm/slub.c:1939 [inline]
new_slab+0x84/0x2d0 mm/slub.c:1992
___slab_alloc+0xc20/0x1270 mm/slub.c:3180
__slab_alloc mm/slub.c:3279 [inline]
slab_alloc_node mm/slub.c:3364 [inline]
slab_alloc mm/slub.c:3406 [inline]
__kmem_cache_alloc_lru mm/slub.c:3413 [inline]
kmem_cache_alloc+0x1a5/0x2d0 mm/slub.c:3422
kmem_cache_zalloc include/linux/slab.h:682 [inline]
__proc_create+0x419/0x9f0 fs/proc/generic.c:426
proc_create_reg fs/proc/generic.c:553 [inline]
proc_create_single_data+0x123/0x240 fs/proc/generic.c:653
snmp6_register_dev+0xa1/0x110 net/ipv6/proc.c:256
ipv6_add_dev+0x611/0x1180 net/ipv6/addrconf.c:414
addrconf_notify+0x7a6/0xf60 net/ipv6/addrconf.c:3577
notifier_call_chain kernel/notifier.c:87 [inline]
raw_notifier_call_chain+0xd0/0x170 kernel/notifier.c:455
call_netdevice_notifiers_info net/core/dev.c:1970 [inline]
call_netdevice_notifiers_extack net/core/dev.c:2008 [inline]
call_netdevice_notifiers+0x145/0x1b0 net/core/dev.c:2022
register_netdevice+0x12f2/0x1720 net/core/dev.c:10132
__ip_tunnel_create+0x2b0/0x370 net/ipv4/ip_tunnel.c:267
ip_tunnel_init_net+0x21f/0x700 net/ipv4/ip_tunnel.c:1100
ops_init+0x356/0x600 net/core/net_namespace.c:135
setup_net+0x4b5/0xb90 net/core/net_namespace.c:332
copy_net_ns+0x395/0x5d0 net/core/net_namespace.c:478
create_new_namespaces+0x425/0x7a0 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0x11e/0x170 kernel/nsproxy.c:226
ksys_unshare+0x580/0xb20 kernel/fork.c:3203
__do_sys_unshare kernel/fork.c:3274 [inline]
__se_sys_unshare kernel/fork.c:3272 [inline]
__x64_sys_unshare+0x34/0x40 kernel/fork.c:3272
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
}
... key at: [<ffffffff920b1340>] sock_hash_alloc.__key+0x0/0x20
... acquired at:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
_raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178
sock_hash_delete_elem+0xac/0x2f0 net/core/sock_map.c:932
bpf_prog_a8aaa52f2e199321+0x42/0x46
bpf_dispatcher_nop_func include/linux/bpf.h:989 [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:2273 [inline]
bpf_trace_run4+0x253/0x470 kernel/trace/bpf_trace.c:2314
__bpf_trace_mm_page_alloc+0xba/0xe0 include/trace/events/kmem.h:177
__traceiter_mm_page_alloc+0x35/0x50 include/trace/events/kmem.h:177
trace_mm_page_alloc include/trace/events/kmem.h:177 [inline]
__alloc_pages+0x717/0x770 mm/page_alloc.c:5569
__stack_depot_save+0x372/0x470 lib/stackdepot.c:474
save_stack+0x104/0x1e0 mm/page_owner.c:128
__set_page_owner+0x26/0x390 mm/page_owner.c:190
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2513
prep_new_page mm/page_alloc.c:2520 [inline]
get_page_from_freelist+0x31a1/0x3320 mm/page_alloc.c:4279
__alloc_pages+0x28d/0x770 mm/page_alloc.c:5547
__stack_depot_save+0x372/0x470 lib/stackdepot.c:474
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x60/0x70 mm/kasan/common.c:52
__kasan_slab_alloc+0x65/0x70 mm/kasan/common.c:328
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737
slab_alloc_node mm/slub.c:3398 [inline]
slab_alloc mm/slub.c:3406 [inline]
__kmem_cache_alloc_lru mm/slub.c:3413 [inline]
kmem_cache_alloc+0x10c/0x2d0 mm/slub.c:3422
kmem_cache_zalloc include/linux/slab.h:682 [inline]
fill_pool lib/debugobjects.c:168 [inline]
debug_objects_fill_pool+0x485/0xa10 lib/debugobjects.c:606
debug_object_activate+0x32/0x4e0 lib/debugobjects.c:693
debug_hrtimer_activate kernel/time/hrtimer.c:420 [inline]
debug_activate kernel/time/hrtimer.c:475 [inline]
enqueue_hrtimer+0x30/0x410 kernel/time/hrtimer.c:1084
__hrtimer_start_range_ns kernel/time/hrtimer.c:1259 [inline]
hrtimer_start_range_ns+0xa9c/0xc50 kernel/time/hrtimer.c:1299
hrtimer_start_expires include/linux/hrtimer.h:434 [inline]
hrtimer_sleeper_start_expires kernel/time/hrtimer.c:1966 [inline]
do_nanosleep+0x153/0x5f0 kernel/time/hrtimer.c:2042
hrtimer_nanosleep+0x24d/0x490 kernel/time/hrtimer.c:2098
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1308 [inline]
__se_sys_clock_nanosleep+0x323/0x3b0 kernel/time/posix-timers.c:1285
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
stack backtrace:
CPU: 1 PID: 3552 Comm: syz-executor349 Not tainted 6.1.84-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
print_bad_irq_dependency kernel/locking/lockdep.c:2604 [inline]
check_irq_usage kernel/locking/lockdep.c:2843 [inline]
check_prev_add kernel/locking/lockdep.c:3094 [inline]
check_prevs_add kernel/locking/lockdep.c:3209 [inline]
validate_chain+0x4d16/0x5950 kernel/locking/lockdep.c:3825
__lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5049
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
_raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178
sock_hash_delete_elem+0xac/0x2f0 net/core/sock_map.c:932
bpf_prog_a8aaa52f2e199321+0x42/0x46
bpf_dispatcher_nop_func include/linux/bpf.h:989 [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:2273 [inline]
bpf_trace_run4+0x253/0x470 kernel/trace/bpf_trace.c:2314
__bpf_trace_mm_page_alloc+0xba/0xe0 include/trace/events/kmem.h:177
__traceiter_mm_page_alloc+0x35/0x50 include/trace/events/kmem.h:177
trace_mm_page_alloc include/trace/events/kmem.h:177 [inline]
__alloc_pages+0x717/0x770 mm/page_alloc.c:5569
__stack_depot_save+0x372/0x470 lib/stackdepot.c:474
save_stack+0x104/0x1e0 mm/page_owner.c:128
__set_page_owner+0x26/0x390 mm/page_owner.c:190
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2513
prep_new_page mm/page_alloc.c:2520 [inline]
get_page_from_freelist+0x31a1/0x3320 mm/page_alloc.c:4279
__alloc_pages+0x28d/0x770 mm/page_alloc.c:5547
__stack_depot_save+0x372/0x470 lib/stackdepot.c:474
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x60/0x70 mm/kasan/common.c:52
__kasan_slab_alloc+0x65/0x70 mm/kasan/common.c:328
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737
slab_alloc_node mm/slub.c:3398 [inline]
slab_alloc mm/slub.c:3406 [inline]
__kmem_cache_alloc_lru mm/slub.c:3413 [inline]
kmem_cache_alloc+0x10c/0x2d0 mm/slub.c:3422
kmem_cache_zalloc include/linux/slab.h:682 [inline]
fill_pool lib/debugobjects.c:168 [inline]
debug_objects_fill_pool+0x485/0xa10 lib/debugobjects.c:606
debug_object_activate+0x32/0x4e0 lib/debugobjects.c:693
debug_hrtimer_activate kernel/time/hrtimer.c:420 [inline]
debug_activate kernel/time/hrtimer.c:475 [inline]
enqueue_hrtimer+0x30/0x410 kernel/time/hrtimer.c:1084
__hrtimer_start_range_ns kernel/time/hrtimer.c:1259 [inline]
hrtimer_start_range_ns+0xa9c/0xc50 kernel/time/hrtimer.c:1299
hrtimer_start_expires include/linux/hrtimer.h:434 [inline]
hrtimer_sleeper_start_expires kernel/time/hrtimer.c:1966 [inline]
do_nanosleep+0x153/0x5f0 kernel/time/hrtimer.c:2042
hrtimer_nanosleep+0x24d/0x490 kernel/time/hrtimer.c:2098
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1308 [inline]
__se_sys_clock_nanosleep+0x323/0x3b0 kernel/time/posix-timers.c:1285
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa7e63276c3
Code: 00 00 00 00 00 66 90 83 ff 03 74 7b 83 ff 02 b8 fa ff ff ff 49 89 ca 0f 44 f8 80 3d be 09 05 00 00 74 14 b8 e6 00 00 00 0f 05 <f7> d8 c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec 28 48 89 54 24 10
RSP: 002b:00007fff7526bfb8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa7e63276c3
RDX: 00007fff7526bfd0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00000000000f4240 R08: 00007fff753840b0 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000202 R12: 000000000001087e
R13: 00007fff7526c004 R14: 00007fff7526c020 R15: 00007fff7526c010
</TASK>
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024/04/07 03:37 | linux-6.1.y | 347385861c50 | ca620dd8 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | possible deadlock in hrtimer_run_queues | |
| 2024/03/31 22:05 | linux-6.1.y | e5cd595e23c1 | 6baf5069 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | possible deadlock in hrtimer_run_queues | |
| 2024/03/29 02:58 | linux-6.1.y | e5cd595e23c1 | e91187ee | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | possible deadlock in hrtimer_run_queues | |
| 2024/03/17 02:34 | linux-6.1.y | d7543167affd | d615901c | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | possible deadlock in hrtimer_run_queues | |
| 2024/03/15 23:11 | linux-6.1.y | d7543167affd | d615901c | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | possible deadlock in hrtimer_run_queues | |
| 2024/04/10 09:03 | linux-6.1.y | 347385861c50 | 171ec371 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | possible deadlock in hrtimer_run_queues | ||
| 2024/04/10 00:15 | linux-6.1.y | 347385861c50 | 171ec371 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in hrtimer_run_queues | ||
| 2024/04/09 22:46 | linux-6.1.y | 347385861c50 | 171ec371 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in hrtimer_run_queues | ||
| 2024/04/09 22:30 | linux-6.1.y | 347385861c50 | 171ec371 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in hrtimer_run_queues | ||
| 2024/04/09 18:12 | linux-6.1.y | 347385861c50 | f3234354 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in hrtimer_run_queues | ||
| 2024/04/06 10:54 | linux-6.1.y | 347385861c50 | ca620dd8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in hrtimer_run_queues | ||
| 2024/04/06 05:58 | linux-6.1.y | 347385861c50 | ca620dd8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in hrtimer_run_queues | ||
| 2024/04/05 20:21 | linux-6.1.y | 347385861c50 | 77230c29 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | possible deadlock in hrtimer_run_queues | ||
| 2024/04/05 18:53 | linux-6.1.y | 347385861c50 | 77230c29 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | possible deadlock in hrtimer_run_queues | ||
| 2024/04/02 01:41 | linux-6.1.y | e5cd595e23c1 | 6baf5069 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | possible deadlock in hrtimer_run_queues | ||
| 2024/03/30 09:49 | linux-6.1.y | e5cd595e23c1 | 6baf5069 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | possible deadlock in hrtimer_run_queues | ||
| 2024/03/30 07:16 | linux-6.1.y | e5cd595e23c1 | 6baf5069 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | possible deadlock in hrtimer_run_queues | ||
| 2024/03/28 15:17 | linux-6.1.y | e5cd595e23c1 | e91187ee | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | possible deadlock in hrtimer_run_queues | ||
| 2024/03/20 00:00 | linux-6.1.y | d7543167affd | e104824c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | possible deadlock in hrtimer_run_queues |