last executing test programs: 1.120597765s ago: executing program 1: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer2', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2', 0x800, 0x0) 1.079872081s ago: executing program 1: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vndbinder', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vndbinder', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vndbinder', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vndbinder', 0x800, 0x0) 1.043800836s ago: executing program 2: sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0) 1.036782047s ago: executing program 1: pwritev2(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0, 0x0) 1.015655531s ago: executing program 4: openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/reclaim', 0x1, 0x0) 1.005123433s ago: executing program 2: fsopen(&(0x7f0000000000), 0x0) 985.704085ms ago: executing program 1: splice(0xffffffffffffffff, &(0x7f0000000000), 0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 957.48062ms ago: executing program 4: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ndctl0', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ndctl0', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ndctl0', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ndctl0', 0x800, 0x0) 931.273224ms ago: executing program 3: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/input/mice', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/input/mice', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/input/mice', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/input/mice', 0x800, 0x0) 929.633394ms ago: executing program 1: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vhost-vsock', 0x2, 0x0) 923.417485ms ago: executing program 4: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/adsp1', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/adsp1', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/adsp1', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/adsp1', 0x800, 0x0) 921.117455ms ago: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/mixer', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/mixer', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/mixer', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/mixer', 0x800, 0x0) 907.787548ms ago: executing program 1: openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/bluetooth/6lowpan_control', 0x2, 0x0) 886.178501ms ago: executing program 0: fchmodat(0xffffffffffffffff, &(0x7f0000000000), 0x0) 885.561101ms ago: executing program 2: openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/mm/transparent_hugepage/khugepaged/scan_sleep_millisecs', 0x1, 0x0) 880.074742ms ago: executing program 3: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/i915', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/i915', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/i915', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/i915', 0x800, 0x0) 866.333494ms ago: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rtc0', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rtc0', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/rtc0', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/rtc0', 0x800, 0x0) 863.404595ms ago: executing program 2: openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/ipv6host', 0x2, 0x0) 837.818889ms ago: executing program 3: utimes(&(0x7f0000000000), &(0x7f0000000000)) 816.283422ms ago: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/net/tun', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/net/tun', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/net/tun', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/net/tun', 0x800, 0x0) 813.647622ms ago: executing program 2: fdatasync(0xffffffffffffffff) 795.855875ms ago: executing program 3: openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/damon/rm_contexts', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/damon/rm_contexts', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/damon/rm_contexts', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/damon/rm_contexts', 0x800, 0x0) 759.013611ms ago: executing program 2: select(0x0, &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000)) 739.513244ms ago: executing program 3: fspick(0xffffffffffffffff, &(0x7f0000000000), 0x0) 547.982624ms ago: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/uinput', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/uinput', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uinput', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/uinput', 0x800, 0x0) 525.497907ms ago: executing program 0: pselect6(0x0, &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000)) 452.182969ms ago: executing program 4: writev(0xffffffffffffffff, &(0x7f0000000000), 0x0) 430.500342ms ago: executing program 4: utimensat(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000000), 0x0) 415.527375ms ago: executing program 4: openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/change-rule', 0x2, 0x0) 0s ago: executing program 3: mmap(&(0x7efffffff000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000000)=nil, 0x1000000, 0x7, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0001000000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.171' (ED25519) to the list of known hosts. 2024/06/18 21:54:48 fuzzer started 2024/06/18 21:54:48 dialing manager at 10.128.0.163:30033 [ 64.795125][ T5079] cgroup: Unknown subsys name 'net' [ 65.036525][ T5079] cgroup: Unknown subsys name 'rlimit' [ 66.164754][ T5101] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 72.175960][ T1249] ieee802154 phy0 wpan0: encryption failed: -22 [ 72.183244][ T1249] ieee802154 phy1 wpan1: encryption failed: -22 2024/06/18 21:54:57 starting 5 executor processes [ 76.030426][ T1094] [ 76.033411][ T1094] ============================= [ 76.038444][ T1094] WARNING: suspicious RCU usage [ 76.043512][ T1094] 6.10.0-rc4-syzkaller-00045-g92e5605a199e #0 Not tainted [ 76.050655][ T1094] ----------------------------- [ 76.055636][ T1094] net/netfilter/ipset/ip_set_core.c:1200 suspicious rcu_dereference_protected() usage! [ 76.065418][ T1094] [ 76.065418][ T1094] other info that might help us debug this: [ 76.065418][ T1094] [ 76.075764][ T1094] 2024/06/18 21:55:00 SYZFATAL: failed to recv *flatrpc.HostMessageRaw: EOF [ 76.075764][ T1094] rcu_scheduler_active = 2, debug_locks = 1 [ 76.084237][ T1094] 3 locks held by kworker/u8:6/1094: [ 76.089560][ T1094] #0: ffff888015ed3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 76.101055][ T1094] #1: ffffc90004107d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 76.112213][ T1094] #2: ffffffff8f5c9290 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 [ 76.122568][ T1094] [ 76.122568][ T1094] stack backtrace: [ 76.128504][ T1094] CPU: 1 PID: 1094 Comm: kworker/u8:6 Not tainted 6.10.0-rc4-syzkaller-00045-g92e5605a199e #0 [ 76.138878][ T1094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 76.148982][ T1094] Workqueue: netns cleanup_net [ 76.154542][ T1094] Call Trace: [ 76.157848][ T1094] [ 76.160794][ T1094] dump_stack_lvl+0x241/0x360 [ 76.165617][ T1094] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.170868][ T1094] ? __pfx__printk+0x10/0x10 [ 76.175601][ T1094] lockdep_rcu_suspicious+0x221/0x340 [ 76.181002][ T1094] _destroy_all_sets+0x232/0x5f0 [ 76.186222][ T1094] ip_set_net_exit+0x20/0x50 [ 76.190855][ T1094] cleanup_net+0x802/0xcc0 [ 76.195389][ T1094] ? __pfx_cleanup_net+0x10/0x10 [ 76.200396][ T1094] ? process_scheduled_works+0x945/0x1830 [ 76.206525][ T1094] process_scheduled_works+0xa2c/0x1830 [ 76.212129][ T1094] ? __pfx_process_scheduled_works+0x10/0x10 [ 76.218345][ T1094] ? assign_work+0x364/0x3d0 [ 76.222959][ T1094] worker_thread+0x86d/0xd70 [ 76.227779][ T1094] ? __kthread_parkme+0x169/0x1d0 [ 76.233268][ T1094] ? __pfx_worker_thread+0x10/0x10 [ 76.238413][ T1094] kthread+0x2f0/0x390 [ 76.242491][ T1094] ? __pfx_worker_thread+0x10/0x10 [ 76.247761][ T1094] ? __pfx_kthread+0x10/0x10 [ 76.252720][ T1094] ret_from_fork+0x4b/0x80 [ 76.257188][ T1094] ? __pfx_kthread+0x10/0x10 [ 76.261796][ T1094] ret_from_fork_asm+0x1a/0x30 [ 76.266619][ T1094] [ 76.322556][ T1094] [ 76.324952][ T1094] ============================= [ 76.329842][ T1094] WARNING: suspicious RCU usage [ 76.335854][ T1094] 6.10.0-rc4-syzkaller-00045-g92e5605a199e #0 Not tainted [ 76.343525][ T1094] ----------------------------- [ 76.348414][ T1094] net/netfilter/ipset/ip_set_core.c:1211 suspicious rcu_dereference_protected() usage! [ 76.358579][ T1094] [ 76.358579][ T1094] other info that might help us debug this: [ 76.358579][ T1094] [ 76.369376][ T1094] [ 76.369376][ T1094] rcu_scheduler_active = 2, debug_locks = 1 [ 76.378027][ T1094] 3 locks held by kworker/u8:6/1094: [ 76.383788][ T1094] #0: ffff888015ed3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 76.395180][ T1094] #1: ffffc90004107d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 76.406257][ T1094] #2: ffffffff8f5c9290 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 [ 76.416242][ T1094] [ 76.416242][ T1094] stack backtrace: [ 76.422513][ T1094] CPU: 1 PID: 1094 Comm: kworker/u8:6 Not tainted 6.10.0-rc4-syzkaller-00045-g92e5605a199e #0 [ 76.432879][ T1094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 76.443066][ T1094] Workqueue: netns cleanup_net [ 76.447983][ T1094] Call Trace: [ 76.451303][ T1094] [ 76.454454][ T1094] dump_stack_lvl+0x241/0x360 [ 76.459549][ T1094] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.464876][ T1094] ? __pfx__printk+0x10/0x10 [ 76.469599][ T1094] lockdep_rcu_suspicious+0x221/0x340 [ 76.474994][ T1094] _destroy_all_sets+0x53f/0x5f0 [ 76.480064][ T1094] ip_set_net_exit+0x20/0x50 [ 76.484756][ T1094] cleanup_net+0x802/0xcc0 [ 76.489233][ T1094] ? __pfx_cleanup_net+0x10/0x10 [ 76.494272][ T1094] ? process_scheduled_works+0x945/0x1830 [ 76.500400][ T1094] process_scheduled_works+0xa2c/0x1830 [ 76.506094][ T1094] ? __pfx_process_scheduled_works+0x10/0x10 [ 76.512121][ T1094] ? assign_work+0x364/0x3d0 [ 76.516729][ T1094] worker_thread+0x86d/0xd70 [ 76.521329][ T1094] ? __kthread_parkme+0x169/0x1d0 [ 76.526439][ T1094] ? __pfx_worker_thread+0x10/0x10 [ 76.531806][ T1094] kthread+0x2f0/0x390 [ 76.535905][ T1094] ? __pfx_worker_thread+0x10/0x10 [ 76.541047][ T1094] ? __pfx_kthread+0x10/0x10 [ 76.545781][ T1094] ret_from_fork+0x4b/0x80 [ 76.550517][ T1094] ? __pfx_kthread+0x10/0x10 [ 76.555168][ T1094] ret_from_fork_asm+0x1a/0x30 [ 76.559984][ T1094]