__schedule_loop kernel/sched/core.c:6680 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6695
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6752
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P1271/1:b..l P6385/1:b..l
rcu: (detected by 0, t=10502 jiffies, g=21429, q=644 ncpus=2)
task:syz.0.300 state:R running task stack:24016 pid:6385 tgid:6383 ppid:5785 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6925
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:kthread_blkcg+0x4/0xe0 kernel/kthread.c:1542
Code: e8 f1 17 9b 00 4c 8b 1b 48 8b 3c 24 41 ff d3 66 90 e9 06 fc ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 <55> 41 57 41 56 53 49 bf 00 00 00 00 00 fc ff df e8 47 aa 33 00 65
RSP: 0018:ffffc900035e6f48 EFLAGS: 00000246
RAX: ffffffff849b193b RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc9000d08b000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 0000000000000040 R08: ffffffff849b39de R09: 1ffffffff2602100
R10: dffffc0000000000 R11: fffffbfff2602101 R12: dffffc0000000000
R13: 0000000000000cc0 R14: ffffffff849b39ad R15: dffffc0000000000
blkcg_css+0x10/0x1d0 block/blk-cgroup.c:107
blk_cgroup_congested+0xbd/0x220 block/blk-cgroup.c:2189
__folio_throttle_swaprate+0x84/0x1d0 mm/swapfile.c:3742
folio_throttle_swaprate include/linux/swap.h:641 [inline]
shmem_add_to_page_cache+0x89c/0x1830 mm/shmem.c:796
shmem_alloc_and_add_folio+0x90b/0x14e0 mm/shmem.c:1814
shmem_get_folio_gfp+0x8dc/0x2370 mm/shmem.c:2192
shmem_fault+0x252/0x6f0 mm/shmem.c:2392
__do_fault+0x135/0x460 mm/memory.c:4655
do_read_fault mm/memory.c:5061 [inline]
do_fault mm/memory.c:5191 [inline]
do_pte_missing mm/memory.c:3947 [inline]
handle_pte_fault+0x3b18/0x6eb0 mm/memory.c:5522
__handle_mm_fault mm/memory.c:5665 [inline]
handle_mm_fault+0x1029/0x1980 mm/memory.c:5833
faultin_page mm/gup.c:1194 [inline]
__get_user_pages+0x6ec/0x16a0 mm/gup.c:1493
populate_vma_page_range+0x264/0x330 mm/gup.c:1932
__mm_populate+0x27a/0x460 mm/gup.c:2035
mm_populate include/linux/mm.h:3415 [inline]
vm_mmap_pgoff+0x2c3/0x3d0 mm/util.c:593
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: 0033:0x7f24e8575f19
RSP: 002b:00007f24e9395048 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f24e8706038 RCX: 00007f24e8575f19
RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f24e85e4e68 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f24e8706038 R15: 00007fff07d64388
task:kworker/u8:7 state:R running task stack:20336 pid:1271 tgid:1271 ppid:2 flags:0x00004000
Workqueue: bat_events batadv_nc_worker
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6925
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5826
Code: 2b 00 74 08 4c 89 f7 e8 7a 95 8b 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc900046879e0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff920008d0f48 RCX: 277abda9b407cd00
RDX: dffffc0000000000 RSI: ffffffff8bcae6c0 RDI: ffffffff8c20aee0
RBP: ffffc90004687b40 R08: ffffffff93010807 R09: 1ffffffff2602100
R10: dffffc0000000000 R11: fffffbfff2602101 R12: 1ffff920008d0f44
R13: dffffc0000000000 R14: ffffc90004687a40 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:326 [inline]
rcu_read_lock include/linux/rcupdate.h:838 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0xec/0x610 net/batman-adv/network-coding.c:719
process_one_work kernel/workqueue.c:3231 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
worker_thread+0x86d/0xd40 kernel/workqueue.c:3390
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:144
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: rcu_preempt kthread starved for 10338 jiffies! g21429 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R running task stack:24912 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
__schedule_loop kernel/sched/core.c:6680 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6695
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2034
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2236
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:144
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.10.0-next-20240719-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:console_flush_all+0x9f7/0xf50 kernel/printk/printk.c:3103
Code: 20 00 90 0f 0b 90 e9 f3 f9 ff ff e8 73 2a 20 00 e8 8e f7 20 0a 4d 85 f6 74 c0 e8 64 2a 20 00 fb 49 bd 00 00 00 00 00 fc ff df <43> 80 3c 2f 00 48 8b 5c 24 30 74 08 48 89 df e8 b5 97 87 00 4c 8b
RSP: 0018:ffffc90000007480 EFLAGS: 00000246
RAX: ffffffff8173aeac RBX: 0000000000000000 RCX: ffffffff8e094680
RDX: 0000000080000102 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007610 R08: ffffffff8173ae53 R09: 1ffffffff2602100
R10: dffffc0000000000 R11: fffffbfff2602101 R12: ffffffff8eb32480
R13: dffffc0000000000 R14: 0000000000000200 R15: 1ffffffff1d6649b
FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f59f9519413 CR3: 000000006c37c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3173
vprintk_emit+0x7a1/0x900 kernel/printk/printk.c:2423
_printk+0xd5/0x120 kernel/printk/printk.c:2450
printk_stack_address arch/x86/kernel/dumpstack.c:72 [inline]
show_trace_log_lvl+0x43a/0x520 arch/x86/kernel/dumpstack.c:285
sched_show_task+0x506/0x6d0 kernel/sched/core.c:7512
report_rtnl_holders+0x327/0x400 net/core/rtnetlink.c:110
call_timer_fn+0x18e/0x650 kernel/time/timer.c:1792
expire_timers kernel/time/timer.c:1843 [inline]
__run_timers kernel/time/timer.c:2417 [inline]
__run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2428
run_timer_base kernel/time/timer.c:2437 [inline]
run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2447
handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:92 [inline]
RIP: 0010:acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:112
Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 40 d7 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d 25 77 95 00 f3 0f 1e fa fb f4 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90
RSP: 0018:ffffffff8e007ca8 EFLAGS: 00000246
RAX: ffffffff8e094680 RBX: ffff88801c6e0864 RCX: 000000000007b531
RDX: 0000000000000001 RSI: ffff88801c6e0800 RDI: ffff88801c6e0864
RBP: 000000000003a6b8 R08: ffff8880b9437c7b R09: 1ffff11017286f8f
R10: dffffc0000000000 R11: ffffffff8b94d870 R12: ffff88801a7ae000
R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8eade280
acpi_idle_enter+0xe4/0x140 drivers/acpi/processor_idle.c:702
cpuidle_enter_state+0x112/0x480 drivers/cpuidle/cpuidle.c:267
cpuidle_enter+0x5d/0xa0 drivers/cpuidle/cpuidle.c:388
call_cpuidle kernel/sched/idle.c:155 [inline]
cpuidle_idle_call kernel/sched/idle.c:230 [inline]
do_idle+0x375/0x5d0 kernel/sched/idle.c:326
cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:424
rest_init+0x2dc/0x300 init/main.c:747
start_kernel+0x47a/0x500 init/main.c:1103
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
rtnl_lock net/core/rtnetlink.c:149 [inline]
__rtnl_newlink net/core/rtnetlink.c:3807 [inline]
rtnl_newlink+0xa0d/0x2070 net/core/rtnetlink.c:3830
rtnetlink_rcv_msg+0x744/0xd00 net/core/rtnetlink.c:6734
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
__sys_sendto+0x3a4/0x4f0 net/socket.c:2204
__do_sys_sendto net/socket.c:2216 [inline]
__se_sys_sendto net/socket.c:2212 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2212
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: 0033:0x7f9cfc377cac
RSP: 002b:00007ffd5cf9d680 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f9cfd034620 RCX: 00007f9cfc377cac
RDX: 000000000000003c RSI: 00007f9cfd034670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffd5cf9d6d4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f9cfd034670 R15: 0000000000000000
Showing all locks held in the system:
2 locks held by kworker/u8:1/12:
3 locks held by kworker/1:0/25:
4 locks held by kworker/u8:2/35:
3 locks held by kworker/u8:3/52:
3 locks held by kworker/u8:4/69:
6 locks held by kworker/u8:5/1046:
#0: ffff888015edd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff888015edd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc9000404fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc9000404fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8f5fddd0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:594
#3: ffff8880796ad0e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
#3: ffff8880796ad0e8 (&dev->mutex){....}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline]
#3: ffff8880796ad0e8 (&dev->mutex){....}-{3:3}, at: devlink_pernet_pre_exit+0x13b/0x440 net/devlink/core.c:506
#4: ffff8880796ac250 (&devlink->lock_key#9){+.+.}-{3:3}, at: devl_lock net/devlink/core.c:276 [inline]
#4: ffff8880796ac250 (&devlink->lock_key#9){+.+.}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline]
#4: ffff8880796ac250 (&devlink->lock_key#9){+.+.}-{3:3}, at: devlink_pernet_pre_exit+0x14d/0x440 net/devlink/core.c:506
#5: ffffffff8f60a948 (rtnl_mutex){+.+.}-{3:3}, at: unregister_netdevice_notifier_net+0x89/0x3a0 net/core/dev.c:1915
3 locks held by kworker/u8:7/1271:
3 locks held by kworker/u8:8/2479:
#0: ffff88802a166148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff88802a166148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc90008f8fd00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc90008f8fd00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8f60a948 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4194
2 locks held by getty/4855:
#0: ffff88802ad6d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2211
3 locks held by kworker/1:3/5150:
#0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc900040dfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc900040dfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8f60a948 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276
3 locks held by kworker/1:6/5186:
3 locks held by syz-executor/6206:
#0: ffffffff8f670390 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218
#1: ffffffff8f670248 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:35 [inline]
#1: ffffffff8f670248 (genl_mutex){+.+.}-{3:3}, at: genl_op_lock net/netlink/genetlink.c:60 [inline]
#1: ffffffff8f670248 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x121/0xec0 net/netlink/genetlink.c:1209
#2: ffffffff8f60a948 (rtnl_mutex){+.+.}-{3:3}, at: wiphy_register+0x1d26/0x2b30 net/wireless/core.c:965
1 lock held by syz-executor/6364:
#0: ffffffff8f60a948 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:149 [inline]
#0: ffffffff8f60a948 (rtnl_mutex){+.+.}-{3:3}, at: __rtnl_newlink net/core/rtnetlink.c:3807 [inline]
#0: ffffffff8f60a948 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_newlink+0xa0d/0x2070 net/core/rtnetlink.c:3830
1 lock held by syz.0.300/6383:
#0: ffff88802c3fba98 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline]
#0: ffff88802c3fba98 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x17c/0x3d0 mm/util.c:586
1 lock held by syz.0.300/6384:
2 locks held by syz.0.300/6385:
1 lock held by kmmpd-loop3/6391:
#0: ffff88806d61e420 (sb_writers#4){.+.+}-{0:0}, at: kmmpd+0x424/0xaa0 fs/ext4/mmp.c:178
1 lock held by syz.4.303/6393:
=============================================
DEBUG: holding rtnl_mutex for 10842 jiffies.
task:syz.4.303 state:R running task stack:23856 pid:6393 tgid:6392 ppid:5109 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6782
preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6806
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
vprintk_emit+0x82d/0x900 kernel/printk/printk.c:2426
_printk+0xd5/0x120 kernel/printk/printk.c:2450
netdev_info+0x122/0x170 net/core/dev.c:11808
__dev_set_promiscuity+0x1c1/0x5a0 net/core/dev.c:8626
dev_set_promiscuity+0x51/0xe0 net/core/dev.c:8664
bond_set_promiscuity drivers/net/bonding/bond_main.c:810 [inline]
bond_change_rx_flags+0x237/0x6b0 drivers/net/bonding/bond_main.c:4597
dev_change_rx_flags net/core/dev.c:8597 [inline]
__dev_set_promiscuity+0x406/0x5a0 net/core/dev.c:8641
__dev_change_flags+0x469/0x6f0 net/core/dev.c:8846
dev_change_flags+0x8b/0x1a0 net/core/dev.c:8909
do_setlink+0xcd0/0x41f0 net/core/rtnetlink.c:2987
__rtnl_newlink net/core/rtnetlink.c:3783 [inline]
rtnl_newlink+0x17a9/0x2070 net/core/rtnetlink.c:3830
rtnetlink_rcv_msg+0x744/0xd00 net/core/rtnetlink.c:6734
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
____sys_sendmsg+0x525/0x7d0 net/socket.c:2597
___sys_sendmsg net/socket.c:2651 [inline]
__sys_sendmsg+0x2b0/0x3a0 net/socket.c:2680
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: 0033:0x7f062e575f19
RSP: 002b:00007f062f345048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f062e705f60 RCX: 00007f062e575f19
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00007f062e5e4e68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f062e705f60 R15: 00007ffde1efa948
DEBUG: waiting rtnl_mutex for 10896 jiffies.
task:kworker/u8:8 state:D stack:18800 pid:2479 tgid:2479 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
__schedule_loop kernel/sched/core.c:6680 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6695
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6752
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4194
process_one_work kernel/workqueue.c:3231 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
worker_thread+0x86d/0xd40 kernel/workqueue.c:3390
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:144
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
DEBUG: waiting rtnl_mutex for 10913 jiffies.
task:syz-executor state:D stack:20992 pid:6206 tgid:6206 ppid:6195 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
__schedule_loop kernel/sched/core.c:6680 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6695
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6752
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
wiphy_register+0x1d26/0x2b30 net/wireless/core.c:965
ieee80211_register_hw+0x30fb/0x3e10 net/mac80211/main.c:1575
mac80211_hwsim_new_radio+0x2a9f/0x4a90 drivers/net/wireless/virtual/mac80211_hwsim.c:5519
hwsim_new_radio_nl+0xece/0x2290 drivers/net/wireless/virtual/mac80211_hwsim.c:6203
genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1210
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
__sys_sendto+0x3a4/0x4f0 net/socket.c:2204
__do_sys_sendto net/socket.c:2216 [inline]
__se_sys_sendto net/socket.c:2212 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2212
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: 0033:0x7f0393177cac
RSP: 002b:00007fffcd743100 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f0393e34620 RCX: 00007f0393177cac
RDX: 0000000000000024 RSI: 00007f0393e34670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007fffcd743154 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f0393e34670 R15: 0000000000000000
DEBUG: waiting rtnl_mutex for 10951 jiffies.
task:kworker/1:3 state:D stack:21848 pid:5150 tgid:5150 ppid:2 flags:0x00004000
Workqueue: events linkwatch_event
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
__schedule_loop kernel/sched/core.c:6680 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6695
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6752
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
linkwatch_event+0xe/0x60 net/core/link_watch.c:276
process_one_work kernel/workqueue.c:3231 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
worker_thread+0x86d/0xd40 kernel/workqueue.c:3390
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:144
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
DEBUG: waiting rtnl_mutex for 10967 jiffies.
task:kworker/u8:5 state:D stack:22768 pid:1046 tgid:1046 ppid:2 flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
__schedule_loop kernel/sched/core.c:6680 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6695
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6752
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
unregister_netdevice_notifier_net+0x89/0x3a0 net/core/dev.c:1915
nsim_dev_hwstats_exit+0x81/0x290 drivers/net/netdevsim/hwstats.c:483
nsim_dev_reload_destroy+0x2ad/0x490 drivers/net/netdevsim/dev.c:1659
nsim_dev_reload_down+0x98/0xd0 drivers/net/netdevsim/dev.c:965
devlink_reload+0x18b/0x870 net/devlink/dev.c:461
devlink_pernet_pre_exit+0x1f3/0x440 net/devlink/core.c:509
ops_pre_exit_list net/core/net_namespace.c:163 [inline]
cleanup_net+0x615/0xcc0 net/core/net_namespace.c:620
process_one_work kernel/workqueue.c:3231 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
worker_thread+0x86d/0xd40 kernel/workqueue.c:3390
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:144
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
DEBUG: waiting rtnl_mutex for 10991 jiffies.
task:syz-executor state:D stack:21728 pid:6364 tgid:6364 ppid:6361 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
__schedule_loop kernel/sched/core.c:6680 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6695
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6752
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
rtnl_lock net/core/rtnetlink.c:149 [inline]
__rtnl_newlink net/core/rtnetlink.c:3807 [inline]
rtnl_newlink+0xa0d/0x2070 net/core/rtnetlink.c:3830
rtnetlink_rcv_msg+0x744/0xd00 net/core/rtnetlink.c:6734
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
__sys_sendto+0x3a4/0x4f0 net/socket.c:2204
__do_sys_sendto net/socket.c:2216 [inline]
__se_sys_sendto net/socket.c:2212 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2212
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: 0033:0x7f9cfc377cac
RSP: 002b:00007ffd5cf9d680 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f9cfd034620 RCX: 00007f9cfc377cac
RDX: 000000000000003c RSI: 00007f9cfd034670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffd5cf9d6d4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f9cfd034670 R15: 0000000000000000
Showing all locks held in the system:
2 locks held by kworker/u8:1/12:
3 locks held by kworker/1:0/25:
4 locks held by kworker/u8:2/35:
3 locks held by kworker/u8:3/52:
3 locks held by kworker/u8:4/69:
6 locks held by kworker/u8:5/1046:
#0: ffff888015edd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff888015edd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc9000404fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc9000404fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8f5fddd0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:594
#3: ffff8880796ad0e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
#3: ffff8880796ad0e8 (&dev->mutex){....}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline]
#3: ffff8880796ad0e8 (&dev->mutex){....}-{3:3}, at: devlink_pernet_pre_exit+0x13b/0x440 net/devlink/core.c:506
#4: ffff8880796ac250 (&devlink->lock_key#9){+.+.}-{3:3}, at: devl_lock net/devlink/core.c:276 [inline]
#4: ffff8880796ac250 (&devlink->lock_key#9){+.+.}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline]
#4: ffff8880796ac250 (&devlink->lock_key#9){+.+.}-{3:3}, at: devlink_pernet_pre_exit+0x14d/0x440 net/devlink/core.c:506
#5: ffffffff8f60a948 (rtnl_mutex){+.+.}-{3:3}, at: unregister_netdevice_notifier_net+0x89/0x3a0 net/core/dev.c:1915
3 locks held by kworker/u8:7/1271:
3 locks held by kworker/u8:8/2479:
#0: ffff88802a166148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff88802a166148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc90008f8fd00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc90008f8fd00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8f60a948 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4194
2 locks held by getty/4855:
#0: ffff88802ad6d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2211
3 locks held by kworker/1:3/5150:
#0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc900040dfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc900040dfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8f60a948 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276
3 locks held by kworker/1:6/5186:
3 locks held by syz-executor/6206:
#0: ffffffff8f670390 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218
#1: ffffffff8f670248 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:35 [inline]
#1: ffffffff8f670248 (genl_mutex){+.+.}-{3:3}, at: genl_op_lock net/netlink/genetlink.c:60 [inline]
#1: ffffffff8f670248 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x121/0xec0 net/netlink/genetlink.c:1209
#2: ffffffff8f60a948 (rtnl_mutex){+.+.}-{3:3}, at: wiphy_register+0x1d26/0x2b30 net/wireless/core.c:965
1 lock held by syz-executor/6364:
#0: ffffffff8f60a948 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:149 [inline]
#0: ffffffff8f60a948 (rtnl_mutex){+.+.}-{3:3}, at: __rtnl_newlink net/core/rtnetlink.c:3807 [inline]
#0: ffffffff8f60a948 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_newlink+0xa0d/0x2070 net/core/rtnetlink.c:3830
1 lock held by syz.0.300/6383:
#0: ffff88802c3fba98 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline]
#0: ffff88802c3fba98 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x17c/0x3d0 mm/util.c:586
1 lock held by syz.0.300/6384:
2 locks held by syz.0.300/6385:
1 lock held by kmmpd-loop3/6391:
#0: ffff88806d61e420 (sb_writers#4){.+.+}-{0:0}, at: kmmpd+0x424/0xaa0 fs/ext4/mmp.c:178
1 lock held by syz.4.303/6393:
=============================================
DEBUG: holding rtnl_mutex for 11170 jiffies.
task:syz.4.303 state:R running task stack:23856 pid:6393 tgid:6392 ppid:5109 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6782
preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6806
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
vprintk_emit+0x82d/0x900 kernel/printk/printk.c:2426
_printk+0xd5/0x120 kernel/printk/printk.c:2450
netdev_info+0x122/0x170 net/core/dev.c:11808
__dev_set_promiscuity+0x1c1/0x5a0 net/core/dev.c:8626
dev_set_promiscuity+0x51/0xe0 net/core/dev.c:8664
bond_set_promiscuity drivers/net/bonding/bond_main.c:810 [inline]
bond_change_rx_flags+0x237/0x6b0 drivers/net/bonding/bond_main.c:4597
dev_change_rx_flags net/core/dev.c:8597 [inline]
__dev_set_promiscuity+0x406/0x5a0 net/core/dev.c:8641
__dev_change_flags+0x469/0x6f0 net/core/dev.c:8846
dev_change_flags+0x8b/0x1a0 net/core/dev.c:8909
do_setlink+0xcd0/0x41f0 net/core/rtnetlink.c:2987
__rtnl_newlink net/core/rtnetlink.c:3783 [inline]
rtnl_newlink+0x17a9/0x2070 net/core/rtnetlink.c:3830
rtnetlink_rcv_msg+0x744/0xd00 net/core/rtnetlink.c:6734
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
____sys_sendmsg+0x525/0x7d0 net/socket.c:2597
___sys_sendmsg net/socket.c:2651 [inline]
__sys_sendmsg+0x2b0/0x3a0 net/socket.c:2680
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: 0033:0x7f062e575f19
RSP: 002b:00007f062f345048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f062e705f60 RCX: 00007f062e575f19
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00007f062e5e4e68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f062e705f60 R15: 00007ffde1efa948
DEBUG: waiting rtnl_mutex for 11224 jiffies.
task:kworker/u8:8 state:D stack:18800 pid:2479 tgid:2479 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
__schedule_loop kernel/sched/core.c:6680 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6695
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6752
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4194
process_one_work kernel/workqueue.c:3231 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
worker_thread+0x86d/0xd40 kernel/workqueue.c:3390
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:144
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
DEBUG: waiting rtnl_mutex for 11240 jiffies.
task:syz-executor state:D stack:20992 pid:6206 tgid:6206 ppid:6195 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
__schedule_loop kernel/sched/core.c:6680 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6695
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6752
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
wiphy_register+0x1d26/0x2b30 net/wireless/core.c:965
ieee80211_register_hw+0x30fb/0x3e10 net/mac80211/main.c:1575
mac80211_hwsim_new_radio+0x2a9f/0x4a90 drivers/net/wireless/virtual/mac80211_hwsim.c:5519
hwsim_new_radio_nl+0xece/0x2290 drivers/net/wireless/virtual/mac80211_hwsim.c:6203
genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1210
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
__sys_sendto+0x3a4/0x4f0 net/socket.c:2204
__do_sys_sendto net/socket.c:2216 [inline]
__se_sys_sendto net/socket.c:2212 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2212
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: 0033:0x7f0393177cac
RSP: 002b:00007fffcd743100 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f0393e34620 RCX: 00007f0393177cac
RDX: 0000000000000024 RSI: 00007f0393e34670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007fffcd743154 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f0393e34670 R15: 0000000000000000
DEBUG: waiting rtnl_mutex for 11279 jiffies.
task:kworker/1:3 state:D stack:21848 pid:5150 tgid:5150 ppid:2 flags:0x00004000
Workqueue: events linkwatch_event
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
__schedule_loop kernel/sched/core.c:6680 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6695
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6752
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
linkwatch_event+0xe/0x60 net/core/link_watch.c:276
process_one_work kernel/workqueue.c:3231 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
worker_thread+0x86d/0xd40 kernel/workqueue.c:3390
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:144
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
DEBUG: waiting rtnl_mutex for 11295 jiffies.
task:kworker/u8:5 state:D stack:22768 pid:1046 tgid:1046 ppid:2 flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
__schedule_loop kernel/sched/core.c:6680 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6695
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6752
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
unregister_netdevice_notifier_net+0x89/0x3a0 net/core/dev.c:1915
nsim_dev_hwstats_exit+0x81/0x290 drivers/net/netdevsim/hwstats.c:483
nsim_dev_reload_destroy+0x2ad/0x490 drivers/net/netdevsim/dev.c:1659
nsim_dev_reload_down+0x98/0xd0 drivers/net/netdevsim/dev.c:965
devlink_reload+0x18b/0x870 net/devlink/dev.c:461
devlink_pernet_pre_exit+0x1f3/0x440 net/devlink/core.c:509
ops_pre_exit_list net/core/net_namespace.c:163 [inline]
cleanup_net+0x615/0xcc0 net/core/net_namespace.c:620
process_one_work kernel/workqueue.c:3231 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
worker_thread+0x86d/0xd40 kernel/workqueue.c:3390
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:144
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
DEBUG: waiting rtnl_mutex for 11319 jiffies.
task:syz-executor state:D stack:21728 pid:6364 tgid:6364 ppid:6361 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
__schedule_loop kernel/sched/core.c:6680 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6695
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6752
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
rtnl_lock net/core/rtnetlink.c:149 [inline]
__rtnl_newlink net/core/rtnetlink.c:3807 [inline]
rtnl_newlink+0xa0d/0x2070 net/core/rtnetlink.c:3830
rtnetlink_rcv_msg+0x744/0xd00 net/core/rtnetlink.c:6734
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
__sys_sendto+0x3a4/0x4f0 net/socket.c:2204
__do_sys_sendto net/socket.c:2216 [inline]
__se_sys_sendto net/socket.c:2212 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2212
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: 0033:0x7f9cfc377cac
RSP: 002b:00007ffd5cf9d680 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f9cfd034620 RCX: 00007f9cfc377cac
RDX: 000000000000003c RSI: 00007f9cfd034670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffd5cf9d6d4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f9cfd034670 R15: 0000000000000000
Showing all locks held in the system:
2 locks held by kworker/u8:1/12:
3 locks held by kworker/1:0/25:
4 locks held by kworker/u8:2/35:
3 locks held by kworker/u8:3/52:
3 locks held by kworker/u8:4/69:
6 locks held by kworker/u8:5/1046:
#0: ffff888015edd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff888015edd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc9000404fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc9000404fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8f5fddd0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:594
#3: ffff8880796ad0e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
#3: ffff8880796ad0e8 (&dev->mutex){....}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline]
#3: ffff8880796ad0e8 (&dev->mutex){....}-{3:3}, at: devlink_pernet_pre_exit+0x13b/0x440 net/devlink/core.c:506
#4: ffff8880796ac250 (&devlink->lock_key#9){+.+.}-{3:3}, at: devl_lock net/devlink/core.c:276 [inline]
#4: ffff8880796ac250 (&devlink->lock_key#9){+.+.}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline]
#4: ffff8880796ac250 (&devlink->lock_key#9){+.+.}-{3:3}, at: devlink_pernet_pre_exit+0x14d/0x440 net/devlink/core.c:506
#5: ffffffff8f60a948 (rtnl_mutex){+.+.}-{3:3}, at: unregister_netdevice_notifier_net+0x89/0x3a0 net/core/dev.c:1915
3 locks held by kworker/u8:7/1271:
3 locks held by kworker/u8:8/2479:
#0: ffff88802a166148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff88802a166148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc90008f8fd00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc90008f8fd00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8f60a948 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4194
2 locks held by getty/4855:
#0: ffff88802ad6d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2211
3 locks held by kworker/1:3/5150:
#0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc900040dfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc900040dfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8f60a948 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276
3 locks held by kworker/1:6/5186:
3 locks held by syz-executor/6206:
#0: ffffffff8f670390 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218
#1: ffffffff8f670248 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:35 [inline]
#1: ffffffff8f670248 (genl_mutex){+.+.}-{3:3}, at: genl_op_lock net/netlink/genetlink.c:60 [inline]
#1: ffffffff8f670248 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x121/0xec0 net/netlink/genetlink.c:1209
#2: ffffffff8f60a948 (rtnl_mutex){+.+.}-{3:3}, at: wiphy_register+0x1d26/0x2b30 net/wireless/core.c:965
1 lock held by syz-executor/6364:
#0: ffffffff8f60a948 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:149 [inline]
#0: ffffffff8f60a948 (rtnl_mutex){+.+.}-{3:3}, at: __rtnl_newlink net/core/rtnetlink.c:3807 [inline]
#0: ffffffff8f60a948 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_newlink+0xa0d/0x2070 net/core/rtnetlink.c:3830
1 lock held by syz.0.300/6383:
#0: ffff88802c3fba98 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline]
#0: ffff88802c3fba98 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x17c/0x3d0 mm/util.c:586
1 lock held by syz.0.300/6384:
2 locks held by syz.0.300/6385:
1 lock held by kmmpd-loop3/6391:
#0: ffff88806d61e420 (sb_writers#4){.+.+}-{0:0}, at: kmmpd+0x424/0xaa0 fs/ext4/mmp.c:178
1 lock held by syz.4.303/6393:
=============================================
DEBUG: holding rtnl_mutex for 11498 jiffies.
task:syz.4.303 state:R running task stack:23856 pid:6393 tgid:6392 ppid:5109 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6782
preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6806
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
vprintk_emit+0x82d/0x900 kernel/printk/printk.c:2426
_printk+0xd5/0x120 kernel/printk/printk.c:2450