[ 8.842211][ T2773] eql: remember to turn off Van-Jacobson compression on your slave devices [ 8.892941][ T2843] ssh-keygen (2843) used greatest stack depth: 11296 bytes left Starting sshd: OK syzkaller syzkaller login: [ 17.816387][ T23] kauditd_printk_skb: 60 callbacks suppressed [ 17.816398][ T23] audit: type=1400 audit(1676862952.533:72): avc: denied { transition } for pid=2934 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 17.821636][ T23] audit: type=1400 audit(1676862952.543:73): avc: denied { write } for pid=2934 comm="sh" path="pipe:[675]" dev="pipefs" ino=675 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.0.84' (ECDSA) to the list of known hosts. 2023/02/20 03:15:59 fuzzer started 2023/02/20 03:15:59 dialing manager at 10.128.0.163:41729 [ 25.182350][ T23] audit: type=1400 audit(1676862959.903:74): avc: denied { mounton } for pid=3104 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 [ 25.183627][ T3104] cgroup: Unknown subsys name 'net' [ 25.205444][ T23] audit: type=1400 audit(1676862959.903:75): avc: denied { mount } for pid=3104 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 [ 25.234507][ T23] audit: type=1400 audit(1676862959.933:76): avc: denied { unmount } for pid=3104 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 25.350817][ T3104] cgroup: Unknown subsys name 'rlimit' 2023/02/20 03:16:00 syscalls: 2806 2023/02/20 03:16:00 code coverage: enabled 2023/02/20 03:16:00 comparison tracing: enabled 2023/02/20 03:16:00 extra coverage: enabled 2023/02/20 03:16:00 delay kcov mmap: enabled 2023/02/20 03:16:00 setuid sandbox: enabled 2023/02/20 03:16:00 namespace sandbox: enabled 2023/02/20 03:16:00 Android sandbox: enabled 2023/02/20 03:16:00 fault injection: enabled 2023/02/20 03:16:00 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2023/02/20 03:16:00 net packet injection: enabled 2023/02/20 03:16:00 net device setup: enabled 2023/02/20 03:16:00 concurrency sanitizer: enabled 2023/02/20 03:16:00 devlink PCI setup: PCI device 0000:00:10.0 is not available 2023/02/20 03:16:00 NIC VF setup: PCI device 0000:00:11.0 is not available 2023/02/20 03:16:00 USB emulation: /dev/raw-gadget does not exist 2023/02/20 03:16:00 hci packet injection: /dev/vhci does not exist 2023/02/20 03:16:00 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 2023/02/20 03:16:00 802.15.4 emulation: enabled 2023/02/20 03:16:00 suppressing KCSAN reports in functions: 'io_wq_worker_running' '__xa_clear_mark' 'do_select' 'blk_mq_sched_dispatch_requests' 'ext4_free_inodes_count' 'xas_clear_mark' 'generic_fillattr' 'exit_mm' 'pcpu_alloc' 'tick_sched_timer' 'generic_write_end' 'ip_tunnel_xmit' 'jbd2_journal_dirty_metadata' 'can_receive' 'can_send' 'do_sys_poll' 2023/02/20 03:16:00 fetching corpus: 0, signal 0/2000 (executing program) [ 25.440188][ T23] audit: type=1400 audit(1676862960.163:77): avc: denied { mounton } for pid=3104 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 [ 25.469625][ T23] audit: type=1400 audit(1676862960.163:78): avc: denied { mount } for pid=3104 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 [ 25.492942][ T23] audit: type=1400 audit(1676862960.163:79): avc: denied { create } for pid=3104 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 25.513397][ T23] audit: type=1400 audit(1676862960.163:80): avc: denied { write } for pid=3104 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 2023/02/20 03:16:00 fetching corpus: 50, signal 11771/15564 (executing program) [ 25.533919][ T23] audit: type=1400 audit(1676862960.163:81): avc: denied { read } for pid=3104 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 2023/02/20 03:16:00 fetching corpus: 100, signal 27878/33093 (executing program) 2023/02/20 03:16:00 fetching corpus: 150, signal 33889/40640 (executing program) 2023/02/20 03:16:00 fetching corpus: 200, signal 39984/48203 (executing program) 2023/02/20 03:16:00 fetching corpus: 250, signal 44005/53631 (executing program) 2023/02/20 03:16:01 fetching corpus: 300, signal 48180/59208 (executing program) 2023/02/20 03:16:01 fetching corpus: 350, signal 51581/63934 (executing program) 2023/02/20 03:16:01 fetching corpus: 400, signal 54632/68288 (executing program) 2023/02/20 03:16:01 fetching corpus: 450, signal 57323/72283 (executing program) 2023/02/20 03:16:01 fetching corpus: 500, signal 59891/76077 (executing program) 2023/02/20 03:16:01 fetching corpus: 550, signal 62722/80052 (executing program) 2023/02/20 03:16:01 fetching corpus: 600, signal 65187/83689 (executing program) 2023/02/20 03:16:01 fetching corpus: 650, signal 66978/86691 (executing program) 2023/02/20 03:16:02 fetching corpus: 700, signal 69124/90004 (executing program) 2023/02/20 03:16:02 fetching corpus: 750, signal 71795/93672 (executing program) [ 27.629292][ T0] ================================================================== [ 27.637401][ T0] BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_nohz_idle_stop_tick [ 27.646371][ T0] [ 27.648683][ T0] write to 0xffffffff85ef9db0 of 4 bytes by task 0 on cpu 0: [ 27.656044][ T0] tick_nohz_idle_stop_tick+0x1fe/0x6e0 [ 27.661594][ T0] do_idle+0x17d/0x240 [ 27.665668][ T0] cpu_startup_entry+0x18/0x20 [ 27.670446][ T0] rest_init+0xef/0xf0 [ 27.674507][ T0] arch_call_rest_init+0x9/0x10 [ 27.679354][ T0] start_kernel+0x58a/0x610 [ 27.683865][ T0] secondary_startup_64_no_verify+0xcf/0xdb [ 27.689755][ T0] [ 27.692070][ T0] read to 0xffffffff85ef9db0 of 4 bytes by task 0 on cpu 1: [ 27.699341][ T0] tick_nohz_idle_stop_tick+0x1d6/0x6e0 [ 27.704901][ T0] do_idle+0x17d/0x240 [ 27.708968][ T0] cpu_startup_entry+0x18/0x20 [ 27.713735][ T0] start_secondary+0x7c/0x80 [ 27.718328][ T0] secondary_startup_64_no_verify+0xcf/0xdb [ 27.724220][ T0] 2023/02/20 03:16:02 fetching corpus: 800, signal 73784/96740 (executing program) [ 27.726532][ T0] value changed: 0x00000000 -> 0xffffffff [ 27.732244][ T0] [ 27.734559][ T0] Reported by Kernel Concurrency Sanitizer on: [ 27.740781][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.2.0-syzkaller-dirty #0 [ 27.748852][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 27.758897][ T0] ================================================================== 2023/02/20 03:16:02 fetching corpus: 850, signal 75555/99574 (executing program) 2023/02/20 03:16:02 fetching corpus: 900, signal 77549/102622 (executing program) 2023/02/20 03:16:02 fetching corpus: 950, signal 80071/106011 (executing program) 2023/02/20 03:16:03 fetching corpus: 1000, signal 83069/109733 (executing program) 2023/02/20 03:16:03 fetching corpus: 1050, signal 84925/112441 (executing program) 2023/02/20 03:16:03 fetching corpus: 1100, signal 86480/114966 (executing program) 2023/02/20 03:16:03 fetching corpus: 1150, signal 87693/117175 (executing program) 2023/02/20 03:16:03 fetching corpus: 1200, signal 89474/119832 (executing program) 2023/02/20 03:16:03 fetching corpus: 1250, signal 91111/122265 (executing program) 2023/02/20 03:16:03 fetching corpus: 1300, signal 92419/124470 (executing program) 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