[ 6.681157][ T1473] 8021q: adding VLAN 0 to HW filter on device bond0 [ 6.683070][ T1473] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 13.656199][ T24] kauditd_printk_skb: 38 callbacks suppressed [ 13.656212][ T24] audit: type=1400 audit(1664396872.546:72): avc: denied { transition } for pid=1632 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 [ 13.660359][ T24] audit: type=1400 audit(1664396872.546:73): avc: denied { write } for pid=1632 comm="sh" path="pipe:[14884]" dev="pipefs" ino=14884 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.0.13' (ECDSA) to the list of known hosts. 2022/09/28 20:27:59 fuzzer started 2022/09/28 20:27:59 dialing manager at 10.128.0.163:44919 [ 28.560322][ T24] audit: type=1400 audit(1664396887.456:74): avc: denied { mounton } for pid=1805 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 [ 28.570511][ T1805] cgroup: Unknown subsys name 'net' [ 28.583127][ T24] audit: type=1400 audit(1664396887.466:75): avc: denied { mount } for pid=1805 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 [ 28.610369][ T24] audit: type=1400 audit(1664396887.476:76): avc: denied { unmount } for pid=1805 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 28.750579][ T1805] cgroup: Unknown subsys name 'rlimit' 2022/09/28 20:28:07 syscalls: 2771 2022/09/28 20:28:07 code coverage: enabled 2022/09/28 20:28:07 comparison tracing: enabled 2022/09/28 20:28:07 extra coverage: enabled 2022/09/28 20:28:07 delay kcov mmap: enabled 2022/09/28 20:28:07 setuid sandbox: enabled 2022/09/28 20:28:07 namespace sandbox: enabled 2022/09/28 20:28:07 Android sandbox: enabled 2022/09/28 20:28:07 fault injection: enabled 2022/09/28 20:28:07 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2022/09/28 20:28:07 net packet injection: enabled 2022/09/28 20:28:07 net device setup: enabled 2022/09/28 20:28:07 concurrency sanitizer: enabled 2022/09/28 20:28:07 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/28 20:28:07 NIC VF setup: PCI device 0000:00:11.0 is not available 2022/09/28 20:28:07 USB emulation: /dev/raw-gadget does not exist 2022/09/28 20:28:07 hci packet injection: /dev/vhci does not exist 2022/09/28 20:28:07 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 2022/09/28 20:28:07 802.15.4 emulation: enabled [ 28.870243][ T24] audit: type=1400 audit(1664396887.766:77): avc: denied { mounton } for pid=1805 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 [ 28.899918][ T24] audit: type=1400 audit(1664396887.766:78): avc: denied { mount } for pid=1805 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 [ 28.923217][ T24] audit: type=1400 audit(1664396887.766:79): avc: denied { create } for pid=1805 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 28.943772][ T24] audit: type=1400 audit(1664396887.766:80): avc: denied { write } for pid=1805 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 28.964107][ T24] audit: type=1400 audit(1664396887.766:81): avc: denied { read } for pid=1805 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 2022/09/28 20:28:08 suppressing KCSAN reports in functions: 'generic_fillattr' 'pcpu_alloc' 'ext4_writepages' '__xa_clear_mark' 'dentry_unlink_inode' 'generic_write_end' 'exit_mm' 'ext4_free_inodes_count' 'xas_clear_mark' 'ext4_fill_raw_inode' 'j1939_xtp_rx_dat_one' 'do_sys_poll' 'jbd2_journal_dirty_metadata' 'blk_mq_sched_dispatch_requests' 'filemap_read' 'dont_mount' 'jbd2_journal_stop' 2022/09/28 20:28:09 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/28 20:28:09 fetching corpus: 50, signal 11749/15612 (executing program) 2022/09/28 20:28:09 fetching corpus: 100, signal 21558/27131 (executing program) 2022/09/28 20:28:09 fetching corpus: 150, signal 30821/38010 (executing program) 2022/09/28 20:28:09 fetching corpus: 200, signal 35376/44174 (executing program) 2022/09/28 20:28:09 fetching corpus: 250, signal 39693/50089 (executing program) 2022/09/28 20:28:09 fetching corpus: 300, signal 42878/54812 (executing program) 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fetching corpus: 950, signal 77272/106216 (executing program) 2022/09/28 20:28:11 fetching corpus: 1000, signal 78913/109027 (executing program) 2022/09/28 20:28:12 fetching corpus: 1050, signal 81222/112438 (executing program) 2022/09/28 20:28:12 fetching corpus: 1100, signal 82839/115182 (executing program) 2022/09/28 20:28:12 fetching corpus: 1150, signal 85303/118609 (executing program) 2022/09/28 20:28:12 fetching corpus: 1200, signal 86639/121101 (executing program) 2022/09/28 20:28:12 fetching corpus: 1250, signal 87910/123518 (executing program) 2022/09/28 20:28:12 fetching corpus: 1300, signal 88943/125688 (executing program) 2022/09/28 20:28:12 fetching corpus: 1350, signal 90148/128014 (executing program) 2022/09/28 20:28:13 fetching corpus: 1400, signal 91623/130571 (executing program) 2022/09/28 20:28:13 fetching corpus: 1450, signal 92911/132948 (executing program) 2022/09/28 20:28:13 fetching corpus: 1500, signal 93790/134947 (executing program) 2022/09/28 20:28:13 fetching corpus: 1550, signal 94760/137032 (executing program) 2022/09/28 20:28:13 fetching corpus: 1600, signal 96194/139443 (executing program) 2022/09/28 20:28:13 fetching corpus: 1650, signal 97343/141600 (executing program) 2022/09/28 20:28:13 fetching corpus: 1700, signal 98555/143781 (executing program) 2022/09/28 20:28:13 fetching corpus: 1750, signal 99482/145737 (executing program) 2022/09/28 20:28:13 fetching corpus: 1800, signal 100282/147580 (executing program) 2022/09/28 20:28:14 fetching corpus: 1850, signal 101453/149690 (executing program) 2022/09/28 20:28:14 fetching corpus: 1900, signal 102751/151878 (executing program) 2022/09/28 20:28:14 fetching corpus: 1950, signal 104738/154560 (executing program) 2022/09/28 20:28:14 fetching corpus: 2000, signal 106067/156784 (executing program) 2022/09/28 20:28:14 fetching corpus: 2050, signal 107006/158656 (executing program) 2022/09/28 20:28:14 fetching corpus: 2100, signal 108245/160730 (executing program) 2022/09/28 20:28:14 fetching corpus: 2150, signal 109135/162516 (executing program) 2022/09/28 20:28:15 fetching corpus: 2200, signal 110799/164827 (executing program) 2022/09/28 20:28:15 fetching corpus: 2250, signal 111930/166753 (executing program) 2022/09/28 20:28:15 fetching corpus: 2300, signal 113075/168684 (executing program) 2022/09/28 20:28:15 fetching corpus: 2350, signal 113882/170371 (executing program) 2022/09/28 20:28:15 fetching corpus: 2400, signal 114575/171998 (executing program) 2022/09/28 20:28:15 fetching corpus: 2450, signal 115799/173902 (executing program) 2022/09/28 20:28:15 fetching corpus: 2500, signal 116652/175589 (executing program) 2022/09/28 20:28:16 fetching corpus: 2550, signal 117470/177298 (executing program) 2022/09/28 20:28:16 fetching corpus: 2600, signal 118134/178906 (executing program) 2022/09/28 20:28:16 fetching corpus: 2650, signal 118829/180434 (executing program) 2022/09/28 20:28:16 fetching corpus: 2700, signal 119718/182071 (executing program) 2022/09/28 20:28:16 fetching corpus: 2750, signal 120612/183738 (executing program) 2022/09/28 20:28:16 fetching corpus: 2800, signal 121178/185154 (executing program) 2022/09/28 20:28:16 fetching corpus: 2850, signal 122014/186761 (executing program) 2022/09/28 20:28:16 fetching corpus: 2900, signal 123354/188679 (executing program) 2022/09/28 20:28:17 fetching corpus: 2950, signal 124514/190457 (executing program) 2022/09/28 20:28:17 fetching corpus: 3000, signal 125275/191983 (executing program) 2022/09/28 20:28:17 fetching corpus: 3050, signal 126226/193651 (executing program) 2022/09/28 20:28:17 fetching corpus: 3100, signal 127282/195306 (executing program) 2022/09/28 20:28:17 fetching corpus: 3150, signal 128074/196729 (executing program) 2022/09/28 20:28:17 fetching corpus: 3200, signal 129018/198333 (executing program) 2022/09/28 20:28:17 fetching corpus: 3250, signal 129531/199674 (executing program) 2022/09/28 20:28:17 fetching corpus: 3300, signal 130274/201126 (executing program) 2022/09/28 20:28:17 fetching corpus: 3350, signal 130996/202527 (executing program) 2022/09/28 20:28:18 fetching corpus: 3400, signal 131730/203979 (executing program) 2022/09/28 20:28:18 fetching corpus: 3450, signal 132446/205334 (executing program) 2022/09/28 20:28:18 fetching corpus: 3500, signal 133009/206645 (executing program) 2022/09/28 20:28:18 fetching corpus: 3550, signal 134274/208256 (executing program) [ 39.709500][ T0] ================================================================== [ 39.717596][ T0] BUG: KCSAN: data-race in tick_nohz_stop_tick / tick_sched_timer [ 39.725394][ T0] [ 39.727706][ T0] write to 0xffffffff860d51f0 of 4 bytes by interrupt on cpu 0: [ 39.735311][ T0] tick_sched_timer+0x2b0/0x2d0 [ 39.740141][ T0] __run_hrtimer+0x132/0x420 [ 39.744712][ T0] hrtimer_interrupt+0x36e/0xa70 [ 39.749624][ T0] __sysvec_apic_timer_interrupt+0xa3/0x250 [ 39.755501][ T0] sysvec_apic_timer_interrupt+0x88/0xb0 [ 39.761111][ T0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 39.767073][ T0] acpi_idle_enter+0x283/0x340 [ 39.771825][ T0] cpuidle_enter_state+0x2de/0x960 [ 39.776922][ T0] cpuidle_enter+0x3c/0x60 [ 39.781329][ T0] do_idle+0x1a7/0x250 [ 39.785384][ T0] cpu_startup_entry+0x15/0x20 [ 39.790132][ T0] rest_init+0xe8/0xf0 [ 39.794194][ T0] start_kernel+0x0/0x656 [ 39.798511][ T0] start_kernel+0x5d1/0x656 [ 39.802999][ T0] secondary_startup_64_no_verify+0xcf/0xdb [ 39.808899][ T0] [ 39.811222][ T0] read to 0xffffffff860d51f0 of 4 bytes by task 0 on cpu 1: [ 39.818482][ T0] tick_nohz_stop_tick+0x7a/0x400 [ 39.823488][ T0] tick_nohz_idle_stop_tick+0x174/0x2c0 [ 39.829024][ T0] do_idle+0x18a/0x250 [ 39.833119][ T0] cpu_startup_entry+0x15/0x20 [ 39.837907][ T0] start_secondary+0x78/0x80 [ 39.842497][ T0] secondary_startup_64_no_verify+0xcf/0xdb [ 39.848390][ T0] [ 39.850698][ T0] value changed: 0xffffffff -> 0x00000000 [ 39.856495][ T0] 2022/09/28 20:28:18 fetching corpus: 3600, signal 134960/209611 (executing program) [ 39.858807][ T0] Reported by Kernel Concurrency Sanitizer on: [ 39.864934][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.0.0-rc7-syzkaller-00068-g49c13ed0316d-dirty #0 [ 39.876889][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 39.886936][ T0] ================================================================== 2022/09/28 20:28:18 fetching corpus: 3650, signal 135577/210973 (executing program) 2022/09/28 20:28:19 fetching corpus: 3700, signal 136825/212571 (executing program) 2022/09/28 20:28:19 fetching corpus: 3750, signal 137828/213990 (executing program) 2022/09/28 20:28:19 fetching corpus: 3800, signal 138290/215199 (executing program) 2022/09/28 20:28:19 fetching corpus: 3850, signal 138851/216452 (executing program) 2022/09/28 20:28:19 fetching corpus: 3900, signal 139442/217693 (executing program) 2022/09/28 20:28:19 fetching corpus: 3950, signal 139961/218884 (executing program) 2022/09/28 20:28:19 fetching corpus: 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