[ 6.686987][ T1474] 8021q: adding VLAN 0 to HW filter on device bond0 [ 6.689998][ T1474] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 14.584171][ T24] kauditd_printk_skb: 38 callbacks suppressed [ 14.584184][ T24] audit: type=1400 audit(1664699326.847:72): avc: denied { transition } for pid=1635 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 [ 14.588673][ T24] audit: type=1400 audit(1664699326.847:73): avc: denied { write } for pid=1635 comm="sh" path="pipe:[14785]" dev="pipefs" ino=14785 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.1.121' (ECDSA) to the list of known hosts. 2022/10/02 08:28:53 fuzzer started 2022/10/02 08:28:53 dialing manager at 10.128.0.163:46849 [ 30.791284][ T24] audit: type=1400 audit(1664699343.047:74): avc: denied { mounton } for pid=1808 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 [ 30.792129][ T1808] cgroup: Unknown subsys name 'net' [ 30.813989][ T24] audit: type=1400 audit(1664699343.047:75): avc: denied { mount } for pid=1808 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 [ 30.841329][ T24] audit: type=1400 audit(1664699343.077:76): avc: denied { unmount } for pid=1808 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 30.974786][ T1808] cgroup: Unknown subsys name 'rlimit' 2022/10/02 08:29:03 syscalls: 2771 2022/10/02 08:29:03 code coverage: enabled 2022/10/02 08:29:03 comparison tracing: enabled 2022/10/02 08:29:03 extra coverage: enabled 2022/10/02 08:29:03 delay kcov mmap: enabled 2022/10/02 08:29:03 setuid sandbox: enabled 2022/10/02 08:29:03 namespace sandbox: enabled 2022/10/02 08:29:03 Android sandbox: enabled 2022/10/02 08:29:03 fault injection: enabled 2022/10/02 08:29:03 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2022/10/02 08:29:03 net packet injection: enabled 2022/10/02 08:29:03 net device setup: enabled 2022/10/02 08:29:03 concurrency sanitizer: enabled 2022/10/02 08:29:03 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/10/02 08:29:03 NIC VF setup: PCI device 0000:00:11.0 is not available 2022/10/02 08:29:03 USB emulation: /dev/raw-gadget does not exist 2022/10/02 08:29:03 hci packet injection: /dev/vhci does not exist 2022/10/02 08:29:03 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 2022/10/02 08:29:03 802.15.4 emulation: enabled [ 31.064608][ T24] audit: type=1400 audit(1664699343.327:77): avc: denied { mounton } for pid=1808 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 [ 31.089409][ T24] audit: type=1400 audit(1664699343.327:78): avc: denied { mount } for pid=1808 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 [ 31.112614][ T24] audit: type=1400 audit(1664699343.327:79): avc: denied { create } for pid=1808 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 31.133027][ T24] audit: type=1400 audit(1664699343.327:80): avc: denied { write } for pid=1808 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 31.153440][ T24] audit: type=1400 audit(1664699343.327:81): avc: denied { read } for pid=1808 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 2022/10/02 08:29:05 suppressing KCSAN reports in functions: '__filemap_add_folio' 'dont_mount' 'jbd2_journal_stop' 'wg_packet_send_staged_packets' 'iptunnel_xmit' 'ext4_fill_raw_inode' 'pollwake' 'jbd2_journal_dirty_metadata' 'do_sys_poll' 'ext4_free_inodes_count' 'generic_fillattr' 'pcpu_alloc' 'generic_write_end' 'can_send' '__xa_clear_mark' 'ext4_dio_write_end_io' 'can_receive' 'xas_clear_mark' 'blk_mq_sched_dispatch_requests' 2022/10/02 08:29:05 fetching corpus: 0, signal 0/2000 (executing program) 2022/10/02 08:29:05 fetching corpus: 45, signal 12826/16657 (executing program) 2022/10/02 08:29:05 fetching corpus: 95, signal 17285/22942 (executing program) 2022/10/02 08:29:05 fetching corpus: 145, signal 24485/31840 (executing program) 2022/10/02 08:29:05 fetching corpus: 195, signal 28821/37897 (executing program) 2022/10/02 08:29:05 fetching corpus: 245, signal 31974/42706 (executing program) 2022/10/02 08:29:05 fetching corpus: 295, 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C0] write to 0xffffffff860d5230 of 4 bytes by task 0 on cpu 1: [ 59.019320][ C0] tick_nohz_stop_tick+0xa0/0x400 [ 59.024346][ C0] tick_nohz_idle_stop_tick+0x174/0x2c0 [ 59.029890][ C0] do_idle+0x18a/0x250 [ 59.033949][ C0] cpu_startup_entry+0x15/0x20 [ 59.038711][ C0] start_secondary+0x78/0x80 2022/10/02 08:29:31 fetching corpus: 11467, signal 206799/298491 (executing program) [ 59.043284][ C0] secondary_startup_64_no_verify+0xcf/0xdb [ 59.049160][ C0] [ 59.051482][ C0] read to 0xffffffff860d5230 of 4 bytes by interrupt on cpu 0: [ 59.059017][ C0] tick_sched_timer+0x42/0x2d0 [ 59.063767][ C0] __run_hrtimer+0x132/0x420 [ 59.068337][ C0] hrtimer_interrupt+0x36e/0xa70 [ 59.073265][ C0] __sysvec_apic_timer_interrupt+0xa3/0x250 [ 59.079176][ C0] sysvec_apic_timer_interrupt+0x88/0xb0 [ 59.084905][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 59.090898][ C0] acpi_idle_enter+0x283/0x340 [ 59.095675][ C0] cpuidle_enter_state+0x2de/0x960 [ 59.100777][ C0] cpuidle_enter+0x3c/0x60 [ 59.105172][ C0] do_idle+0x1a7/0x250 [ 59.109229][ C0] cpu_startup_entry+0x15/0x20 [ 59.114065][ C0] rest_init+0xe8/0xf0 [ 59.118134][ C0] start_kernel+0x0/0x656 [ 59.122458][ C0] start_kernel+0x5d1/0x656 [ 59.126941][ C0] secondary_startup_64_no_verify+0xcf/0xdb [ 59.132932][ C0] [ 59.135239][ C0] value changed: 0x00000001 -> 0xffffffff [ 59.140945][ C0] 2022/10/02 08:29:31 fetching corpus: 11516, signal 207043/298491 (executing program) [ 59.143259][ C0] Reported by Kernel Concurrency Sanitizer on: [ 59.149492][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.0.0-rc7-syzkaller-00239-gb357fd1c2afc-dirty #0 [ 59.159732][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 59.169781][ C0] ================================================================== 2022/10/02 08:29:31 fetching corpus: 11566, signal 207367/298491 (executing program) 2022/10/02 08:29:31 fetching corpus: 11616, signal 207721/298491 (executing program) 2022/10/02 08:29:31 fetching 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