last executing test programs: 951.489982ms 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) 895.70334ms ago: executing program 2: 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) 891.969241ms ago: executing program 1: stat(&(0x7f0000000000), &(0x7f0000000000)) 885.148122ms ago: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/full', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/full', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/full', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/full', 0x800, 0x0) 867.994395ms ago: executing program 1: fchmod(0xffffffffffffffff, 0x0) 860.972056ms ago: executing program 3: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/tlk_device', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/tlk_device', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/tlk_device', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/tlk_device', 0x800, 0x0) 858.925776ms ago: executing program 2: openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/sync/sw_sync', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/sync/sw_sync', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/sync/sw_sync', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/sync/sw_sync', 0x800, 0x0) 853.964087ms ago: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/unconfined', 0x2, 0x0) 849.363897ms ago: executing program 4: openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/direct', 0x2, 0x0) 839.078739ms ago: executing program 1: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sr0', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sr0', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sr0', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sr0', 0x800, 0x0) 834.51355ms ago: executing program 3: openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/load', 0x2, 0x0) 826.515641ms ago: executing program 2: utimensat(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000000), 0x0) 818.627712ms ago: executing program 1: epoll_pwait2(0xffffffffffffffff, &(0x7f0000000000), 0x0, &(0x7f0000000000), &(0x7f0000000000), 0x0) 814.417833ms ago: executing program 0: fchdir(0xffffffffffffffff) 799.977635ms ago: executing program 4: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snd/timer', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/snd/timer', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snd/timer', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/snd/timer', 0x800, 0x0) 791.090857ms ago: executing program 0: chmod(&(0x7f0000000000), 0x0) 790.443137ms ago: executing program 3: utime(&(0x7f0000000000), &(0x7f0000000000)) 787.049157ms ago: executing program 1: fdatasync(0xffffffffffffffff) 781.019649ms ago: executing program 2: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptp0', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ptp0', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptp0', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ptp0', 0x800, 0x0) 760.444791ms ago: executing program 0: vmsplice(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 757.843382ms ago: executing program 3: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/bifrost', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/bifrost', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bifrost', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/bifrost', 0x800, 0x0) 751.761652ms ago: executing program 4: rmdir(&(0x7f0000000000)) 749.923773ms ago: executing program 1: mkdir(&(0x7f0000000000), 0x0) 736.109295ms ago: executing program 4: faccessat2(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 729.706486ms ago: executing program 0: statx(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, &(0x7f0000000000)) 717.106538ms 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) 704.36281ms ago: executing program 4: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/capi20', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/capi20', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/capi20', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/capi20', 0x800, 0x0) 675.651745ms ago: executing program 3: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/hwrng', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/hwrng', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/hwrng', 0x800, 0x0) 629.951372ms ago: executing program 4: copy_file_range(0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0) 0s ago: executing program 2: 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 '10.128.1.241' (ED25519) to the list of known hosts. 2024/06/18 08:39:46 fuzzer started 2024/06/18 08:39:47 dialing manager at 10.128.0.163:30033 [ 62.016143][ T5082] cgroup: Unknown subsys name 'net' [ 62.296778][ T5082] cgroup: Unknown subsys name 'rlimit' [ 63.425869][ T5084] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 63.438439][ T5084] syz-executor (5084) used greatest stack depth: 18968 bytes left 2024/06/18 08:39:53 starting 5 executor processes [ 71.665779][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.671640][ T2826] [ 71.676402][ T2826] ============================= [ 71.681774][ T2826] WARNING: suspicious RCU usage [ 71.686647][ T2826] 6.10.0-rc4-syzkaller-00033-g14d7c92f8df9 #0 Not tainted [ 71.694149][ T2826] ----------------------------- [ 71.699094][ T2826] net/netfilter/ipset/ip_set_core.c:1200 suspicious rcu_dereference_protected() usage! [ 71.708790][ T2826] [ 71.708790][ T2826] other info that might help us debug this: [ 71.708790][ T2826] [ 71.709376][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.719206][ T2826] [ 71.719206][ T2826] rcu_scheduler_active = 2, debug_locks = 1 [ 71.719229][ T2826] 3 locks held by kworker/u8:8/2826: [ 71.719241][ T2826] #0: ffff888015ed3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 71.750934][ T2826] #1: ffffc90009817d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 71.762030][ T2826] #2: ffffffff8f5c9290 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 [ 71.771794][ T2826] [ 71.771794][ T2826] stack backtrace: [ 71.777707][ T2826] CPU: 0 PID: 2826 Comm: kworker/u8:8 Not tainted 6.10.0-rc4-syzkaller-00033-g14d7c92f8df9 #0 [ 71.788148][ T2826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 71.798298][ T2826] Workqueue: netns cleanup_net [ 71.803238][ T2826] Call Trace: [ 71.806536][ T2826] [ 71.809567][ T2826] dump_stack_lvl+0x241/0x360 [ 71.814255][ T2826] ? __pfx_dump_stack_lvl+0x10/0x10 [ 71.819444][ T2826] ? __pfx__printk+0x10/0x10 [ 71.824047][ T2826] lockdep_rcu_suspicious+0x221/0x340 [ 71.829417][ T2826] _destroy_all_sets+0x232/0x5f0 [ 71.834350][ T2826] ip_set_net_exit+0x20/0x50 [ 71.838932][ T2826] cleanup_net+0x802/0xcc0 [ 71.843346][ T2826] ? __pfx_cleanup_net+0x10/0x10 [ 71.848373][ T2826] ? process_scheduled_works+0x945/0x1830 [ 71.854081][ T2826] process_scheduled_works+0xa2c/0x1830 [ 71.859647][ T2826] ? __pfx_process_scheduled_works+0x10/0x10 2024/06/18 08:39:57 SYZFATAL: failed to recv *flatrpc.HostMessageRaw: EOF [ 71.865719][ T2826] ? assign_work+0x364/0x3d0 [ 71.870387][ T2826] worker_thread+0x86d/0xd70 [ 71.874978][ T2826] ? __kthread_parkme+0x169/0x1d0 [ 71.879995][ T2826] ? __pfx_worker_thread+0x10/0x10 [ 71.885095][ T2826] kthread+0x2f0/0x390 [ 71.889156][ T2826] ? __pfx_worker_thread+0x10/0x10 [ 71.894370][ T2826] ? __pfx_kthread+0x10/0x10 [ 71.899042][ T2826] ret_from_fork+0x4b/0x80 [ 71.903602][ T2826] ? __pfx_kthread+0x10/0x10 [ 71.908190][ T2826] ret_from_fork_asm+0x1a/0x30 [ 71.912959][ T2826] [ 71.923647][ T61] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.932820][ T61] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.023253][ T2826] [ 72.025637][ T2826] ============================= [ 72.030943][ T2826] WARNING: suspicious RCU usage [ 72.035822][ T2826] 6.10.0-rc4-syzkaller-00033-g14d7c92f8df9 #0 Not tainted [ 72.043291][ T2826] ----------------------------- [ 72.048420][ T2826] net/netfilter/ipset/ip_set_core.c:1211 suspicious rcu_dereference_protected() usage! [ 72.058513][ T2826] [ 72.058513][ T2826] other info that might help us debug this: [ 72.058513][ T2826] [ 72.069321][ T2826] [ 72.069321][ T2826] rcu_scheduler_active = 2, debug_locks = 1 [ 72.077414][ T2826] 3 locks held by kworker/u8:8/2826: [ 72.082796][ T2826] #0: ffff888015ed3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 72.093892][ T2826] #1: ffffc90009817d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 72.104580][ T2826] #2: ffffffff8f5c9290 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 [ 72.114166][ T2826] [ 72.114166][ T2826] stack backtrace: [ 72.120127][ T2826] CPU: 1 PID: 2826 Comm: kworker/u8:8 Not tainted 6.10.0-rc4-syzkaller-00033-g14d7c92f8df9 #0 [ 72.130362][ T2826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 72.140412][ T2826] Workqueue: netns cleanup_net [ 72.145611][ T2826] Call Trace: [ 72.148877][ T2826] [ 72.151801][ T2826] dump_stack_lvl+0x241/0x360 [ 72.156474][ T2826] ? __pfx_dump_stack_lvl+0x10/0x10 [ 72.161665][ T2826] ? __pfx__printk+0x10/0x10 [ 72.166274][ T2826] lockdep_rcu_suspicious+0x221/0x340 [ 72.171658][ T2826] _destroy_all_sets+0x53f/0x5f0 [ 72.176608][ T2826] ip_set_net_exit+0x20/0x50 [ 72.181297][ T2826] cleanup_net+0x802/0xcc0 [ 72.185902][ T2826] ? __pfx_cleanup_net+0x10/0x10 [ 72.190859][ T2826] ? process_scheduled_works+0x945/0x1830 [ 72.196666][ T2826] process_scheduled_works+0xa2c/0x1830 [ 72.202230][ T2826] ? __pfx_process_scheduled_works+0x10/0x10 [ 72.208207][ T2826] ? assign_work+0x364/0x3d0 [ 72.212790][ T2826] worker_thread+0x86d/0xd70 [ 72.217383][ T2826] ? __kthread_parkme+0x169/0x1d0 [ 72.222399][ T2826] ? __pfx_worker_thread+0x10/0x10 [ 72.227499][ T2826] kthread+0x2f0/0x390 [ 72.231586][ T2826] ? __pfx_worker_thread+0x10/0x10 [ 72.236765][ T2826] ? __pfx_kthread+0x10/0x10 [ 72.241481][ T2826] ret_from_fork+0x4b/0x80 [ 72.245990][ T2826] ? __pfx_kthread+0x10/0x10 [ 72.250601][ T2826] ret_from_fork_asm+0x1a/0x30 [ 72.255614][ T2826] [ 72.264022][ T1249] ieee802154 phy0 wpan0: encryption failed: -22 [ 72.270812][ T1249] ieee802154 phy1 wpan1: encryption failed: -22