Warning: Permanently added '10.128.0.117' (ED25519) to the list of known hosts. 2023/10/02 02:07:30 fuzzer started 2023/10/02 02:07:30 dialing manager at 10.128.0.163:30015 [ 32.275668][ T27] audit: type=1400 audit(1696212457.387:81): avc: denied { mounton } for pid=3079 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=1925 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 32.276895][ T3079] cgroup: Unknown subsys name 'net' [ 32.298479][ T27] audit: type=1400 audit(1696212457.387:82): avc: denied { mount } for pid=3079 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 [ 32.325845][ T27] audit: type=1400 audit(1696212457.407:83): avc: denied { unmount } for pid=3079 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 32.345782][ T27] audit: type=1400 audit(1696212457.417:84): avc: denied { read } for pid=2760 comm="syslogd" name="log" dev="sda1" ino=1915 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 32.487270][ T3079] cgroup: Unknown subsys name 'rlimit' [ 32.607316][ T27] audit: type=1400 audit(1696212457.717:85): avc: denied { mounton } for pid=3079 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 [ 32.633751][ T27] audit: type=1400 audit(1696212457.717:86): avc: denied { mount } for pid=3079 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 [ 32.657318][ T27] audit: type=1400 audit(1696212457.717:87): avc: denied { create } for pid=3079 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 32.677786][ T27] audit: type=1400 audit(1696212457.717:88): avc: denied { write } for pid=3079 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 32.686295][ T3080] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 32.698142][ T27] audit: type=1400 audit(1696212457.717:89): avc: denied { read } for pid=3079 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 32.726988][ T27] audit: type=1400 audit(1696212457.817:90): avc: denied { relabelto } for pid=3080 comm="mkswap" name="swap-file" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" 2023/10/02 02:07:37 syscalls: 2865 2023/10/02 02:07:37 code coverage: enabled 2023/10/02 02:07:37 comparison tracing: enabled 2023/10/02 02:07:37 extra coverage: enabled 2023/10/02 02:07:37 delay kcov mmap: enabled 2023/10/02 02:07:37 setuid sandbox: enabled 2023/10/02 02:07:37 namespace sandbox: enabled 2023/10/02 02:07:37 Android sandbox: enabled 2023/10/02 02:07:37 fault injection: enabled 2023/10/02 02:07:37 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2023/10/02 02:07:37 net packet injection: enabled 2023/10/02 02:07:37 net device setup: enabled 2023/10/02 02:07:37 concurrency sanitizer: enabled 2023/10/02 02:07:37 devlink PCI setup: PCI device 0000:00:10.0 is not available 2023/10/02 02:07:37 NIC VF setup: PCI device 0000:00:11.0 is not available 2023/10/02 02:07:37 USB emulation: /dev/raw-gadget does not exist 2023/10/02 02:07:37 hci packet injection: /dev/vhci does not exist 2023/10/02 02:07:37 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 2023/10/02 02:07:37 802.15.4 emulation: enabled 2023/10/02 02:07:37 swap file: enabled 2023/10/02 02:07:37 suppressing KCSAN reports in functions: 'blk_mq_sched_dispatch_requests' 'call_rcu' 'ext4_da_write_end' 'do_sys_poll' 'ext4_fill_raw_inode' 'd_delete' 'jbd2_journal_dirty_metadata' 'exit_mm' '__percpu_counter_compare' '__find_get_block' '__filemap_add_folio' 'pcpu_alloc' 'atime_needs_update' 'n_tty_receive_char' 'data_alloc' 'mas_replace_node' 'generic_fillattr' 'process_scheduled_works' '__xa_clear_mark' 'ext4_free_inodes_count' 'next_uptodate_folio' 'dentry_unlink_inode' 'shmem_get_folio_gfp' 'ext4_mb_good_group' 'dont_mount' 'shmem_file_read_iter' '_prb_read_valid' 'xas_find_marked' '__xa_set_mark' 'xas_clear_mark' 'do_sync_mmap_readahead' [ 32.761596][ T3079] Adding 124996k swap on ./swap-file. 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corpus: 11900, signal 203254/346466 (executing program) [ 46.655530][ T0] ================================================================== [ 46.663684][ T0] BUG: KCSAN: data-race in tick_nohz_next_event / tick_sched_timer [ 46.671597][ T0] [ 46.673912][ T0] write to 0xffffffff85f16ac0 of 4 bytes by interrupt on cpu 1: [ 46.681548][ T0] tick_sched_timer+0x2ad/0x2c0 [ 46.686446][ T0] __hrtimer_run_queues+0x217/0x700 [ 46.691679][ T0] hrtimer_interrupt+0x20d/0x7b0 [ 46.696730][ T0] __sysvec_apic_timer_interrupt+0x52/0x190 2023/10/02 02:07:51 fetching corpus: 11950, signal 203520/346466 (executing program) [ 46.702670][ T0] sysvec_apic_timer_interrupt+0x31/0x80 [ 46.708324][ T0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 46.714325][ T0] [ 46.716669][ T0] read to 0xffffffff85f16ac0 of 4 bytes by task 0 on cpu 0: [ 46.723976][ T0] tick_nohz_next_event+0x1d1/0x290 [ 46.729217][ T0] tick_nohz_get_sleep_length+0x134/0x2c0 [ 46.734976][ T0] menu_select+0x81a/0x1060 [ 46.739520][ T0] cpuidle_select+0x41/0x50 [ 46.744044][ T0] do_idle+0x160/0x230 [ 46.748137][ T0] cpu_startup_entry+0x24/0x30 2023/10/02 02:07:51 fetching corpus: 12000, signal 203757/346466 (executing program) [ 46.752959][ T0] rest_init+0xf3/0x100 [ 46.757133][ T0] arch_call_rest_init+0x9/0x10 [ 46.762028][ T0] start_kernel+0x57d/0x5d0 [ 46.766580][ T0] x86_64_start_reservations+0x2a/0x30 [ 46.772072][ T0] x86_64_start_kernel+0x94/0xa0 [ 46.777034][ T0] secondary_startup_64_no_verify+0x167/0x16b [ 46.783142][ T0] [ 46.785472][ T0] value changed: 0xffffffff -> 0x00000001 [ 46.791196][ T0] [ 46.793521][ T0] Reported by Kernel Concurrency Sanitizer on: 2023/10/02 02:07:51 fetching corpus: 12050, signal 204056/346466 (executing program) [ 46.799680][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.6.0-rc3-syzkaller-00252-ge81a2dabc3f3 #0 [ 46.809391][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 46.819476][ T0] 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