last executing test programs:
515.60707ms ago: executing program 3:
symlinkat(&(0x7f0000000000), 0xffffffffffffffff, &(0x7f0000000000))
505.719982ms ago: executing program 0:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dlm-monitor', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-monitor', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-monitor', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dlm-monitor', 0x800, 0x0)
502.948692ms ago: executing program 2:
flock(0xffffffffffffffff, 0x0)
488.123454ms ago: executing program 3:
statx(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, &(0x7f0000000000))
484.923655ms ago: executing program 1:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dsp', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dsp', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dsp', 0x800, 0x0)
472.045957ms ago: executing program 0:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/netlabel', 0x2, 0x0)
469.959578ms ago: executing program 2:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/pktcdvd/control', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pktcdvd/control', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/pktcdvd/control', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/pktcdvd/control', 0x800, 0x0)
455.39943ms ago: executing program 3:
fchown(0xffffffffffffffff, 0x0, 0x0)
453.21376ms ago: executing program 1:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcsu', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcsu', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vcsu', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vcsu', 0x800, 0x0)
438.344582ms ago: executing program 0:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwbinder', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/hwbinder', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/hwbinder', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/hwbinder', 0x800, 0x0)
426.147244ms ago: executing program 3:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ocfs2_control', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ocfs2_control', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ocfs2_control', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ocfs2_control', 0x800, 0x0)
425.558854ms ago: executing program 2:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cdrom1', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/cdrom1', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/cdrom1', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/cdrom1', 0x800, 0x0)
419.226805ms ago: executing program 1:
linkat(0xffffffffffffffff, &(0x7f0000000000), 0xffffffffffffffff, &(0x7f0000000000), 0x0)
408.034707ms ago: executing program 4:
readv(0xffffffffffffffff, &(0x7f0000000000), 0x0)
399.882008ms ago: executing program 2:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/audio', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/audio', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/audio', 0x800, 0x0)
399.375118ms ago: executing program 3:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp1', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dsp1', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dsp1', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dsp1', 0x800, 0x0)
390.08119ms ago: executing program 4:
ftruncate(0xffffffffffffffff, 0x0)
381.721981ms ago: executing program 0:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/context', 0x2, 0x0)
370.633973ms ago: executing program 1:
utime(&(0x7f0000000000), &(0x7f0000000000))
358.792725ms ago: executing program 0:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/img-rogue', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/img-rogue', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/img-rogue', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/img-rogue', 0x800, 0x0)
351.701665ms ago: executing program 2:
sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0)
349.161316ms ago: executing program 4:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/nmem0', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/nmem0', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/nmem0', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/nmem0', 0x800, 0x0)
339.300968ms ago: executing program 1:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video37', 0x2, 0x0)
333.264919ms ago: executing program 0:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ashmem', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ashmem', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ashmem', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ashmem', 0x800, 0x0)
326.19037ms ago: executing program 4:
io_uring_enter(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000000), 0x0)
322.38771ms ago: executing program 2:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cuse', 0x2, 0x0)
305.340443ms ago: executing program 4:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/tcp_rmem', 0x1, 0x0)
294.236924ms ago: executing program 1:
readlink(&(0x7f0000000000), &(0x7f0000000000), 0x0)
262.08269ms ago: executing program 4:
tee(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0)
0s ago: executing program 3:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/kernel/yama/ptrace_scope', 0x2, 0x0)
kernel console output (not intermixed with test programs):
Warning: Permanently added '10.128.0.193' (ED25519) to the list of known hosts.
2024/06/18 07:27:37 fuzzer started
2024/06/18 07:27:37 dialing manager at 10.128.0.163:30033
[ 60.545451][ T5076] cgroup: Unknown subsys name 'net'
[ 60.826548][ T5076] cgroup: Unknown subsys name 'rlimit'
[ 62.058457][ T5101] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
2024/06/18 07:27:43 starting 5 executor processes
[ 69.324095][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 69.357707][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 69.433356][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 69.441232][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 69.471330][ T51]
[ 69.473916][ T51] =============================
[ 69.478789][ T51] WARNING: suspicious RCU usage
[ 69.483723][ T51] 6.10.0-rc4-syzkaller-00033-g14d7c92f8df9 #0 Not tainted
[ 69.491078][ T51] -----------------------------
[ 69.496130][ T51] net/netfilter/ipset/ip_set_core.c:1200 suspicious rcu_dereference_protected() usage!
[ 69.505808][ T51]
[ 69.505808][ T51] other info that might help us debug this:
[ 69.505808][ T51]
[ 69.516202][ T51]
[ 69.516202][ T51] rcu_scheduler_active = 2, debug_locks = 1
[ 69.524326][ T51] 3 locks held by kworker/u8:3/51:
2024/06/18 07:27:46 SYZFATAL: failed to recv *flatrpc.HostMessageRaw: EOF
[ 69.529641][ T51] #0: ffff888015ed3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 69.541454][ T51] #1: ffffc90000bb7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 69.552261][ T51] #2: ffffffff8f5c9290 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0
[ 69.561970][ T51]
[ 69.561970][ T51] stack backtrace:
[ 69.567900][ T51] CPU: 1 PID: 51 Comm: kworker/u8:3 Not tainted 6.10.0-rc4-syzkaller-00033-g14d7c92f8df9 #0
[ 69.577999][ T51] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 69.588076][ T51] Workqueue: netns cleanup_net
[ 69.593080][ T51] Call Trace:
[ 69.596599][ T51]
[ 69.599614][ T51] dump_stack_lvl+0x241/0x360
[ 69.604331][ T51] ? __pfx_dump_stack_lvl+0x10/0x10
[ 69.609563][ T51] ? __pfx__printk+0x10/0x10
[ 69.614217][ T51] lockdep_rcu_suspicious+0x221/0x340
[ 69.619590][ T51] _destroy_all_sets+0x232/0x5f0
[ 69.624527][ T51] ip_set_net_exit+0x20/0x50
[ 69.629142][ T51] cleanup_net+0x802/0xcc0
[ 69.633588][ T51] ? __pfx_cleanup_net+0x10/0x10
[ 69.638542][ T51] ? process_scheduled_works+0x945/0x1830
[ 69.644257][ T51] process_scheduled_works+0xa2c/0x1830
[ 69.649812][ T51] ? __pfx_process_scheduled_works+0x10/0x10
[ 69.655790][ T51] ? assign_work+0x364/0x3d0
[ 69.660386][ T51] worker_thread+0x86d/0xd70
[ 69.665037][ T51] ? __kthread_parkme+0x169/0x1d0
[ 69.670096][ T51] ? __pfx_worker_thread+0x10/0x10
[ 69.675547][ T51] kthread+0x2f0/0x390
[ 69.679722][ T51] ? __pfx_worker_thread+0x10/0x10
[ 69.684922][ T51] ? __pfx_kthread+0x10/0x10
[ 69.689518][ T51] ret_from_fork+0x4b/0x80
[ 69.694102][ T51] ? __pfx_kthread+0x10/0x10
[ 69.698682][ T51] ret_from_fork_asm+0x1a/0x30
[ 69.703569][ T51]
[ 69.765688][ T51]
[ 69.768172][ T51] =============================
[ 69.773412][ T51] WARNING: suspicious RCU usage
[ 69.778281][ T51] 6.10.0-rc4-syzkaller-00033-g14d7c92f8df9 #0 Not tainted
[ 69.785599][ T51] -----------------------------
[ 69.790467][ T51] net/netfilter/ipset/ip_set_core.c:1211 suspicious rcu_dereference_protected() usage!
[ 69.800275][ T51]
[ 69.800275][ T51] other info that might help us debug this:
[ 69.800275][ T51]
[ 69.810939][ T51]
[ 69.810939][ T51] rcu_scheduler_active = 2, debug_locks = 1
[ 69.819260][ T51] 3 locks held by kworker/u8:3/51:
[ 69.824477][ T51] #0: ffff888015ed3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 69.835581][ T51] #1: ffffc90000bb7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 69.846349][ T51] #2: ffffffff8f5c9290 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0
[ 69.855863][ T51]
[ 69.855863][ T51] stack backtrace:
[ 69.862108][ T51] CPU: 0 PID: 51 Comm: kworker/u8:3 Not tainted 6.10.0-rc4-syzkaller-00033-g14d7c92f8df9 #0
[ 69.872221][ T51] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 69.882558][ T51] Workqueue: netns cleanup_net
[ 69.887362][ T51] Call Trace:
[ 69.890666][ T51]
[ 69.893628][ T51] dump_stack_lvl+0x241/0x360
[ 69.898437][ T51] ? __pfx_dump_stack_lvl+0x10/0x10
[ 69.903943][ T51] ? __pfx__printk+0x10/0x10
[ 69.908623][ T51] lockdep_rcu_suspicious+0x221/0x340
[ 69.914049][ T51] _destroy_all_sets+0x53f/0x5f0
[ 69.919024][ T51] ip_set_net_exit+0x20/0x50
[ 69.923669][ T51] cleanup_net+0x802/0xcc0
[ 69.928312][ T51] ? __pfx_cleanup_net+0x10/0x10
[ 69.933645][ T51] ? process_scheduled_works+0x945/0x1830
[ 69.939590][ T51] process_scheduled_works+0xa2c/0x1830
[ 69.945377][ T51] ? __pfx_process_scheduled_works+0x10/0x10
[ 69.951418][ T51] ? assign_work+0x364/0x3d0
[ 69.956053][ T51] worker_thread+0x86d/0xd70
[ 69.960683][ T51] ? __kthread_parkme+0x169/0x1d0
[ 69.965739][ T51] ? __pfx_worker_thread+0x10/0x10
[ 69.971056][ T51] kthread+0x2f0/0x390
[ 69.975153][ T51] ? __pfx_worker_thread+0x10/0x10
[ 69.980358][ T51] ? __pfx_kthread+0x10/0x10
[ 69.984943][ T51] ret_from_fork+0x4b/0x80
[ 69.989366][ T51] ? __pfx_kthread+0x10/0x10
[ 69.994034][ T51] ret_from_fork_asm+0x1a/0x30
[ 69.998805][ T51]