Warning: Permanently added '10.128.1.63' (ECDSA) to the list of known hosts. 2023/01/01 18:06:18 fuzzer started 2023/01/01 18:06:18 dialing manager at 10.128.0.163:34253 [ 21.058378][ T23] audit: type=1400 audit(1672596378.939:74): avc: denied { mounton } for pid=3105 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=1136 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 21.059186][ T3105] cgroup: Unknown subsys name 'net' [ 21.081192][ T23] audit: type=1400 audit(1672596378.939:75): avc: denied { mount } for pid=3105 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 21.108494][ T23] audit: type=1400 audit(1672596378.969:76): avc: denied { unmount } for pid=3105 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 21.246148][ T3105] cgroup: Unknown subsys name 'rlimit' 2023/01/01 18:06:19 syscalls: 2806 2023/01/01 18:06:19 code coverage: enabled 2023/01/01 18:06:19 comparison tracing: enabled 2023/01/01 18:06:19 extra coverage: enabled 2023/01/01 18:06:19 delay kcov mmap: enabled 2023/01/01 18:06:19 setuid sandbox: enabled 2023/01/01 18:06:19 namespace sandbox: enabled 2023/01/01 18:06:19 Android sandbox: enabled 2023/01/01 18:06:19 fault injection: enabled 2023/01/01 18:06:19 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2023/01/01 18:06:19 net packet injection: enabled 2023/01/01 18:06:19 net device setup: enabled 2023/01/01 18:06:19 concurrency sanitizer: enabled 2023/01/01 18:06:19 devlink PCI setup: PCI device 0000:00:10.0 is not available 2023/01/01 18:06:19 NIC VF setup: PCI device 0000:00:11.0 is not available 2023/01/01 18:06:19 USB emulation: /dev/raw-gadget does not exist 2023/01/01 18:06:19 hci packet injection: /dev/vhci does not exist 2023/01/01 18:06:19 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 2023/01/01 18:06:19 802.15.4 emulation: enabled 2023/01/01 18:06:19 suppressing KCSAN reports in functions: 'do_sys_poll' 'ext4_do_writepages' 'shmem_get_folio_gfp' 'io_wq_worker_running' 'can_send' '__mark_inode_dirty' 'can_receive' 'wg_packet_decrypt_worker' 'alloc_pid' 'detach_buf_split' 'jbd2_journal_commit_transaction' 'generic_fillattr' 'xas_find_marked' 'ext4_fill_raw_inode' 'do_select' 'io_wqe_activate_free_worker' 'tick_sched_timer' 'dentry_unlink_inode' 'ext4_free_inodes_count' 'blk_mq_sched_dispatch_requests' 'generic_write_end' 'filemap_fdatawrite_wbc' 'dont_mount' 'xas_clear_mark' 'next_uptodate_page' 'pcpu_alloc' 'ext4_ext_try_to_merge_right' 'filemap_read' 'ext4_setattr' '__xa_clear_mark' 'd_delete' 'exit_mm' '__xa_set_mark' 'strncpy' 'ext4_mark_iloc_dirty' 'ext4_dio_write_end_io' [ 21.335853][ T23] audit: type=1400 audit(1672596379.219:77): avc: denied { mounton } for pid=3105 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 21.360719][ T23] audit: type=1400 audit(1672596379.219:78): avc: denied { mount } for pid=3105 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 21.383932][ T23] audit: type=1400 audit(1672596379.219:79): avc: denied { create } for pid=3105 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 21.404348][ T23] audit: type=1400 audit(1672596379.219:80): avc: denied { write } for pid=3105 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 2023/01/01 18:06:19 fetching corpus: 0, signal 0/2000 (executing program) [ 21.424672][ T23] audit: type=1400 audit(1672596379.219:81): avc: denied { read } for pid=3105 comm="syz-executor" 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================================================================== [ 42.703221][ T0] BUG: KCSAN: data-race in tick_nohz_next_event / tick_nohz_stop_tick [ 42.711411][ T0] [ 42.713736][ T0] write to 0xffffffff85ed41f0 of 4 bytes by task 0 on cpu 1: [ 42.721150][ T0] tick_nohz_stop_tick+0xa0/0x400 [ 42.726187][ T0] tick_nohz_idle_stop_tick+0x174/0x2c0 [ 42.731729][ T0] do_idle+0x18a/0x250 [ 42.735785][ T0] cpu_startup_entry+0x15/0x20 [ 42.740536][ T0] start_secondary+0x78/0x80 [ 42.745124][ T0] secondary_startup_64_no_verify+0xcf/0xdb [ 42.751013][ T0] [ 42.753331][ T0] read to 0xffffffff85ed41f0 of 4 bytes by task 0 on cpu 0: [ 42.760596][ T0] tick_nohz_next_event+0x1ee/0x2c0 [ 42.765819][ T0] tick_nohz_get_sleep_length+0x15b/0x250 [ 42.771524][ T0] menu_select+0x347/0x1010 [ 42.776012][ T0] cpuidle_select+0x3d/0x50 [ 42.780526][ T0] do_idle+0x173/0x250 [ 42.784579][ T0] cpu_startup_entry+0x15/0x20 [ 42.789322][ T0] rest_init+0xe8/0xf0 2023/01/01 18:06:40 fetching corpus: 9498, signal 212293/392519 (executing program) [ 42.793375][ T0] arch_call_rest_init+0x5/0x10 [ 42.798214][ T0] start_kernel+0x59e/0x630 [ 42.802704][ T0] secondary_startup_64_no_verify+0xcf/0xdb [ 42.808590][ T0] [ 42.810911][ T0] value changed: 0x00000001 -> 0xffffffff [ 42.816631][ T0] [ 42.818957][ T0] Reported by Kernel Concurrency Sanitizer on: [ 42.825101][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.2.0-rc1-syzkaller-00095-ge4cf7c25bae5-dirty #0 [ 42.835246][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 42.845293][ T0] ================================================================== 2023/01/01 18:06:40 fetching corpus: 9548, signal 212709/393471 (executing program) 2023/01/01 18:06:41 fetching corpus: 9598, signal 213144/394395 (executing program) 2023/01/01 18:06:41 fetching corpus: 9648, signal 213677/395392 (executing program) 2023/01/01 18:06:41 fetching corpus: 9698, signal 214241/396350 (executing program) 2023/01/01 18:06:41 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