Warning: Permanently added '10.128.10.19' (ECDSA) to the list of known hosts. 2022/11/25 20:17:11 fuzzer started 2022/11/25 20:17:12 dialing manager at 10.128.0.163:40721 [ 21.787300][ T23] audit: type=1400 audit(1669407434.349:74): avc: denied { mounton } for pid=1796 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 [ 21.788167][ T1796] cgroup: Unknown subsys name 'net' [ 21.790476][ T23] audit: type=1400 audit(1669407434.349:75): avc: denied { mount } for pid=1796 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 [ 21.794171][ T23] audit: type=1400 audit(1669407434.359:76): avc: denied { unmount } for pid=1796 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 21.889391][ T1796] cgroup: Unknown subsys name 'rlimit' 2022/11/25 20:17:14 syscalls: 2806 2022/11/25 20:17:14 code coverage: enabled 2022/11/25 20:17:14 comparison tracing: enabled 2022/11/25 20:17:14 extra coverage: enabled 2022/11/25 20:17:14 delay kcov mmap: enabled 2022/11/25 20:17:14 setuid sandbox: enabled 2022/11/25 20:17:14 namespace sandbox: enabled 2022/11/25 20:17:14 Android sandbox: enabled 2022/11/25 20:17:14 fault injection: enabled 2022/11/25 20:17:14 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2022/11/25 20:17:14 net packet injection: enabled 2022/11/25 20:17:14 net device setup: enabled 2022/11/25 20:17:14 concurrency sanitizer: enabled 2022/11/25 20:17:14 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/11/25 20:17:14 NIC VF setup: PCI device 0000:00:11.0 is not available 2022/11/25 20:17:14 USB emulation: /dev/raw-gadget does not exist 2022/11/25 20:17:14 hci packet injection: /dev/vhci does not exist 2022/11/25 20:17:14 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 2022/11/25 20:17:14 802.15.4 emulation: enabled [ 22.018974][ T23] audit: type=1400 audit(1669407434.589:77): avc: denied { mounton } for pid=1796 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 [ 22.043869][ T23] audit: type=1400 audit(1669407434.589:78): avc: denied { mount } for pid=1796 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 [ 22.067149][ T23] audit: type=1400 audit(1669407434.589:79): avc: denied { create } for pid=1796 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 22.087653][ T23] audit: type=1400 audit(1669407434.589:80): avc: denied { write } for pid=1796 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 22.107992][ T23] audit: type=1400 audit(1669407434.589:81): avc: denied { read } for pid=1796 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 2022/11/25 20:17:16 suppressing KCSAN reports in functions: 'ext4_free_inodes_count' 'can_send' 'ext4_fill_raw_inode' 'dont_mount' 'generic_write_end' 'pcpu_alloc' '__filemap_add_folio' 'can_receive' 'xas_clear_mark' 'blk_mq_sched_dispatch_requests' 'ext4_mb_good_group' 'tick_sched_timer' 'jbd2_journal_dirty_metadata' 'do_sys_poll' 2022/11/25 20:17:16 fetching corpus: 0, signal 0/2000 (executing program) 2022/11/25 20:17:16 fetching corpus: 49, signal 15580/19222 (executing program) 2022/11/25 20:17:16 fetching corpus: 99, signal 26858/31961 (executing program) 2022/11/25 20:17:16 fetching corpus: 149, signal 33002/39592 (executing program) 2022/11/25 20:17:16 fetching corpus: 199, signal 38774/46695 (executing program) 2022/11/25 20:17:17 fetching corpus: 248, signal 45272/54332 (executing program) 2022/11/25 20:17:17 fetching corpus: 294, signal 48240/58588 (executing program) 2022/11/25 20:17:17 fetching corpus: 344, signal 52460/63909 (executing program) 2022/11/25 20:17:17 fetching corpus: 394, signal 54741/67390 (executing program) [ 25.108192][ T0] ================================================================== [ 25.116277][ T0] BUG: KCSAN: data-race in tick_nohz_stop_tick / tick_nohz_stop_tick [ 25.124337][ T0] [ 25.126642][ T0] write to 0xffffffff860d8270 of 4 bytes by task 0 on cpu 0: [ 25.133985][ T0] tick_nohz_stop_tick+0xa0/0x400 [ 25.138995][ T0] tick_nohz_idle_stop_tick+0x174/0x2c0 [ 25.144525][ T0] do_idle+0x18a/0x250 [ 25.148585][ T0] cpu_startup_entry+0x15/0x20 [ 25.153351][ T0] rest_init+0xe8/0xf0 [ 25.157395][ T0] start_kernel+0x0/0x660 [ 25.161708][ T0] start_kernel+0x5db/0x660 [ 25.166193][ T0] secondary_startup_64_no_verify+0xcf/0xdb [ 25.172076][ T0] [ 25.174390][ T0] read to 0xffffffff860d8270 of 4 bytes by task 0 on cpu 1: [ 25.181647][ T0] tick_nohz_stop_tick+0x7a/0x400 [ 25.186653][ T0] tick_nohz_idle_stop_tick+0x174/0x2c0 [ 25.192184][ T0] do_idle+0x18a/0x250 [ 25.196239][ T0] cpu_startup_entry+0x15/0x20 [ 25.200986][ T0] start_secondary+0x78/0x80 [ 25.205561][ T0] secondary_startup_64_no_verify+0xcf/0xdb [ 25.211437][ T0] [ 25.213740][ T0] value changed: 0x00000000 -> 0xffffffff [ 25.219440][ T0] [ 25.221748][ T0] Reported by Kernel Concurrency Sanitizer on: [ 25.227883][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.1.0-rc6-syzkaller-00176-g08ad43d554ba-dirty #0 [ 25.238031][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 25.248069][ T0] ================================================================== 2022/11/25 20:17:17 fetching corpus: 444, signal 58113/71837 (executing program) 2022/11/25 20:17:18 fetching corpus: 492, signal 60128/74961 (executing program) 2022/11/25 20:17:18 fetching 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