last executing test programs: 1.370834509s ago: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/member', 0x2, 0x0) 1.343794143s ago: executing program 0: utimes(&(0x7f0000000000), &(0x7f0000000000)) 1.307606849s ago: executing program 0: syncfs(0xffffffffffffffff) 1.277789903s ago: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ubi_ctrl', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ubi_ctrl', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ubi_ctrl', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ubi_ctrl', 0x800, 0x0) 1.254063657s ago: executing program 0: sync() 1.011562845s ago: executing program 2: openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/bluetooth/6lowpan_control', 0x2, 0x0) 966.758781ms ago: executing program 2: openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_threshold', 0x2, 0x0) 916.251199ms ago: executing program 2: mremap(0x0, 0x0, 0x0, 0x0, 0x0) 850.387929ms ago: executing program 2: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/tty', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/tty', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/tty', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/tty', 0x800, 0x0) 846.28506ms ago: executing program 4: fsmount(0xffffffffffffffff, 0x0, 0x0) 826.401183ms ago: executing program 2: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/v4l/by-path/platform-soc@0:qcom_cam-req-mgr-video-index0', 0x2, 0x0) 813.477684ms ago: executing program 4: creat(&(0x7f0000000000), 0x0) 804.951296ms ago: executing program 2: 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) 775.910791ms ago: executing program 1: fspick(0xffffffffffffffff, &(0x7f0000000000), 0x0) 774.485921ms ago: executing program 4: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/snapshot', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snapshot', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/snapshot', 0x800, 0x0) 750.663804ms ago: executing program 1: msync(0x0, 0x0, 0x0) 721.397879ms ago: executing program 1: lseek(0xffffffffffffffff, 0x0, 0x0) 670.321026ms ago: executing program 4: openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/damon/mk_contexts', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/damon/mk_contexts', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/damon/mk_contexts', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/damon/mk_contexts', 0x800, 0x0) 664.306838ms ago: executing program 1: pwrite64(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 630.718773ms ago: executing program 1: utime(&(0x7f0000000000), &(0x7f0000000000)) 608.663986ms ago: executing program 1: openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_stats', 0x0, 0x0) 608.071777ms ago: executing program 4: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/random', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/random', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/random', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/random', 0x800, 0x0) 600.935777ms ago: executing program 3: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/pmem0', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pmem0', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/pmem0', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/pmem0', 0x800, 0x0) 580.868911ms ago: executing program 4: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/udmabuf', 0x2, 0x0) 567.361822ms ago: executing program 3: epoll_wait(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 486.808295ms ago: executing program 0: stat(&(0x7f0000000000), &(0x7f0000000000)) 486.372715ms ago: executing program 3: epoll_pwait(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, &(0x7f0000000000), 0x0) 410.998427ms ago: executing program 3: epoll_create1(0x0) 390.92119ms ago: executing program 3: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio1', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/audio1', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/audio1', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/audio1', 0x800, 0x0) 0s ago: executing program 3: 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) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.230' (ED25519) to the list of known hosts. 2024/06/16 17:44:57 fuzzer started 2024/06/16 17:44:57 dialing manager at 10.128.0.163:30033 [ 57.868834][ T5076] cgroup: Unknown subsys name 'net' [ 58.097071][ T5076] cgroup: Unknown subsys name 'rlimit' [ 59.245578][ T5083] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 2024/06/16 17:45:05 starting 5 executor processes [ 67.823458][ T5356] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 67.836919][ T5356] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 67.848010][ T5356] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 67.856976][ T5356] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 67.878221][ T5356] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 67.898583][ T5356] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 68.162943][ T2908] [ 68.165485][ T2908] ============================= [ 68.170464][ T2908] WARNING: suspicious RCU usage [ 68.175353][ T2908] 6.10.0-rc3-syzkaller-00174-ga3e18a540541 #0 Not tainted [ 68.182570][ T2908] ----------------------------- [ 68.187443][ T2908] net/netfilter/ipset/ip_set_core.c:1200 suspicious rcu_dereference_protected() usage! [ 68.197239][ T2908] [ 68.197239][ T2908] other info that might help us debug this: [ 68.197239][ T2908] [ 68.207670][ T2908] [ 68.207670][ T2908] rcu_scheduler_active = 2, debug_locks = 1 [ 68.215756][ T2908] 3 locks held by kworker/u8:8/2908: [ 68.221176][ T2908] #0: ffff888015ed3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 68.232212][ T2908] #1: ffffc90009ac7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 68.242853][ T2908] #2: ffffffff8f5c9050 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 [ 68.252448][ T2908] [ 68.252448][ T2908] stack backtrace: [ 68.258460][ T2908] CPU: 0 PID: 2908 Comm: kworker/u8:8 Not tainted 6.10.0-rc3-syzkaller-00174-ga3e18a540541 #0 [ 68.268898][ T2908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 68.278987][ T2908] Workqueue: netns cleanup_net [ 68.283893][ T2908] Call Trace: [ 68.287204][ T2908] [ 68.290156][ T2908] dump_stack_lvl+0x241/0x360 [ 68.294873][ T2908] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.300112][ T2908] ? __pfx__printk+0x10/0x10 [ 68.304933][ T2908] lockdep_rcu_suspicious+0x221/0x340 [ 68.310698][ T2908] _destroy_all_sets+0x232/0x5f0 [ 68.315680][ T2908] ip_set_net_exit+0x20/0x50 [ 68.320395][ T2908] cleanup_net+0x802/0xcc0 [ 68.324857][ T2908] ? __pfx_cleanup_net+0x10/0x10 [ 68.329843][ T2908] ? process_scheduled_works+0x945/0x1830 [ 68.335614][ T2908] process_scheduled_works+0xa2c/0x1830 [ 68.341229][ T2908] ? __pfx_process_scheduled_works+0x10/0x10 [ 68.347255][ T2908] ? assign_work+0x364/0x3d0 [ 68.351884][ T2908] worker_thread+0x86d/0xd70 [ 68.356519][ T2908] ? _raw_spin_unlock_irqrestore+0xdd/0x140 2024/06/16 17:45:08 SYZFATAL: failed to recv *flatrpc.HostMessageRaw: EOF [ 68.362451][ T2908] ? __kthread_parkme+0x169/0x1d0 [ 68.367515][ T2908] ? __pfx_worker_thread+0x10/0x10 [ 68.372750][ T2908] kthread+0x2f0/0x390 [ 68.376957][ T2908] ? __pfx_worker_thread+0x10/0x10 [ 68.382097][ T2908] ? __pfx_kthread+0x10/0x10 [ 68.386724][ T2908] ret_from_fork+0x4b/0x80 [ 68.391174][ T2908] ? __pfx_kthread+0x10/0x10 [ 68.395798][ T2908] ret_from_fork_asm+0x1a/0x30 [ 68.400620][ T2908] [ 68.421761][ T5355] workqueue: Failed to create a rescuer kthread for wq "bond0": -EINTR [ 68.475881][ T2908] [ 68.486580][ T2908] ============================= [ 68.491866][ T2908] WARNING: suspicious RCU usage [ 68.496838][ T2908] 6.10.0-rc3-syzkaller-00174-ga3e18a540541 #0 Not tainted [ 68.504421][ T2908] ----------------------------- [ 68.509786][ T2908] net/netfilter/ipset/ip_set_core.c:1211 suspicious rcu_dereference_protected() usage! [ 68.519650][ T2908] [ 68.519650][ T2908] other info that might help us debug this: [ 68.519650][ T2908] [ 68.530364][ T2908] [ 68.530364][ T2908] rcu_scheduler_active = 2, debug_locks = 1 [ 68.538858][ T2908] 3 locks held by kworker/u8:8/2908: [ 68.544163][ T2908] #0: ffff888015ed3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 68.555177][ T2908] #1: ffffc90009ac7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 68.565842][ T2908] #2: ffffffff8f5c9050 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 [ 68.575621][ T2908] [ 68.575621][ T2908] stack backtrace: [ 68.581595][ T2908] CPU: 0 PID: 2908 Comm: kworker/u8:8 Not tainted 6.10.0-rc3-syzkaller-00174-ga3e18a540541 #0 [ 68.592148][ T2908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 68.602293][ T2908] Workqueue: netns cleanup_net [ 68.607064][ T2908] Call Trace: [ 68.610396][ T2908] [ 68.613349][ T2908] dump_stack_lvl+0x241/0x360 [ 68.618051][ T2908] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.623532][ T2908] ? __pfx__printk+0x10/0x10 [ 68.628277][ T2908] lockdep_rcu_suspicious+0x221/0x340 [ 68.633683][ T2908] _destroy_all_sets+0x53f/0x5f0 [ 68.638678][ T2908] ip_set_net_exit+0x20/0x50 [ 68.643403][ T2908] cleanup_net+0x802/0xcc0 [ 68.647823][ T2908] ? __pfx_cleanup_net+0x10/0x10 [ 68.652853][ T2908] ? process_scheduled_works+0x945/0x1830 [ 68.658579][ T2908] process_scheduled_works+0xa2c/0x1830 [ 68.664157][ T2908] ? __pfx_process_scheduled_works+0x10/0x10 [ 68.670246][ T2908] ? assign_work+0x364/0x3d0 [ 68.674843][ T2908] worker_thread+0x86d/0xd70 [ 68.679437][ T2908] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 68.685436][ T2908] ? __kthread_parkme+0x169/0x1d0 [ 68.690459][ T2908] ? __pfx_worker_thread+0x10/0x10 [ 68.695562][ T2908] kthread+0x2f0/0x390 [ 68.699633][ T2908] ? __pfx_worker_thread+0x10/0x10 [ 68.704732][ T2908] ? __pfx_kthread+0x10/0x10 [ 68.709406][ T2908] ret_from_fork+0x4b/0x80 [ 68.713856][ T2908] ? __pfx_kthread+0x10/0x10 [ 68.718458][ T2908] ret_from_fork_asm+0x1a/0x30 [ 68.723412][ T2908]