Warning: Permanently added '10.128.0.71' (ECDSA) to the list of known hosts. 2023/06/26 21:49:54 fuzzer started 2023/06/26 21:49:54 dialing manager at 10.128.0.163:30015 [ 24.267582][ T25] audit: type=1400 audit(1687816194.522:81): avc: denied { mounton } for pid=3044 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 [ 24.268469][ T3044] cgroup: Unknown subsys name 'net' [ 24.290281][ T25] audit: type=1400 audit(1687816194.522:82): avc: denied { mount } for pid=3044 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 [ 24.317636][ T25] audit: type=1400 audit(1687816194.552:83): avc: denied { unmount } for pid=3044 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 24.427857][ T3044] cgroup: Unknown subsys name 'rlimit' [ 24.517723][ T25] audit: type=1400 audit(1687816194.772:84): avc: denied { mounton } for pid=3044 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 [ 24.542563][ T25] audit: type=1400 audit(1687816194.772:85): avc: denied { mount } for pid=3044 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 [ 24.556205][ T3046] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 24.565758][ T25] audit: type=1400 audit(1687816194.772:86): avc: denied { create } for pid=3044 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 24.594764][ T25] audit: type=1400 audit(1687816194.772:87): avc: denied { write } for pid=3044 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 2023/06/26 21:49:54 syscalls: 2854 2023/06/26 21:49:54 code coverage: enabled 2023/06/26 21:49:54 comparison tracing: enabled 2023/06/26 21:49:54 extra coverage: enabled 2023/06/26 21:49:54 delay kcov mmap: enabled 2023/06/26 21:49:54 setuid sandbox: enabled 2023/06/26 21:49:54 namespace sandbox: enabled 2023/06/26 21:49:54 Android sandbox: enabled 2023/06/26 21:49:54 fault injection: enabled 2023/06/26 21:49:54 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2023/06/26 21:49:54 net packet injection: enabled 2023/06/26 21:49:54 net device setup: enabled 2023/06/26 21:49:54 concurrency sanitizer: enabled 2023/06/26 21:49:54 devlink PCI setup: PCI device 0000:00:10.0 is not available 2023/06/26 21:49:54 NIC VF setup: PCI device 0000:00:11.0 is not available 2023/06/26 21:49:54 USB emulation: /dev/raw-gadget does not exist 2023/06/26 21:49:54 hci packet injection: /dev/vhci does not exist 2023/06/26 21:49:54 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 2023/06/26 21:49:54 802.15.4 emulation: enabled 2023/06/26 21:49:54 swap file: enabled 2023/06/26 21:49:54 suppressing KCSAN reports in functions: 'do_sys_poll' 'blk_mq_sched_dispatch_requests' 'mas_state_walk' 'shmem_file_read_iter' 'can_receive' 'generic_write_end' 'shmem_get_folio_gfp' '__fsnotify_parent' '__ip_make_skb' 'd_delete' 'dont_mount' 'generic_fillattr' 'tick_nohz_idle_stop_tick' 'detach_buf_split' '__ext4_new_inode' '__find_get_block' '__xa_clear_mark' 'ext4_free_inodes_count' 'jbd2_journal_dirty_metadata' 'insert_work' 'call_rcu' 'fsnotify' 'ext4_mark_iloc_dirty' 'ext4_es_lookup_extent' 'do_select' 'ext4_write_end' 'ext4_mb_regular_allocator' '_prb_read_valid' 'dentry_unlink_inode' 'pcpu_alloc' '__dentry_kill' 'ext4_fill_raw_inode' 'data_alloc' 'can_send' 'xas_clear_mark' 'exit_mm' [ 24.594888][ T3044] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 24.615082][ T25] audit: type=1400 audit(1687816194.772:88): avc: denied { read } for pid=3044 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 24.644150][ T25] audit: type=1400 audit(1687816194.832:89): avc: denied { relabelto } for pid=3046 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" [ 24.669639][ T25] audit: type=1400 audit(1687816194.832:90): avc: denied { write } for pid=3046 comm="mkswap" path="/root/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" 2023/06/26 21:49:55 fetching corpus: 50, signal 12953/14891 (executing program) 2023/06/26 21:49:55 fetching corpus: 100, signal 22340/26110 (executing program) 2023/06/26 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21:50:13 fetching corpus: 10100, signal 208875/373809 (executing program) 2023/06/26 21:50:14 fetching corpus: 10150, signal 209222/373809 (executing program) 2023/06/26 21:50:14 fetching corpus: 10200, signal 209456/373809 (executing program) [ 43.914855][ T3037] ================================================================== [ 43.922983][ T3037] BUG: KCSAN: data-race in lock_vma_under_rcu / vma_prepare [ 43.930276][ T3037] [ 43.932587][ T3037] write to 0xffff888103b42028 of 4 bytes by task 3039 on cpu 0: [ 43.940205][ T3037] vma_prepare+0x85/0x520 [ 43.944529][ T3037] vma_expand+0x180/0x340 [ 43.948850][ T3037] mmap_region+0x7bc/0x14a0 [ 43.953346][ T3037] do_mmap+0x68b/0xab0 [ 43.957411][ T3037] vm_mmap_pgoff+0x12f/0x240 [ 43.961993][ T3037] ksys_mmap_pgoff+0xc5/0x330 [ 43.966662][ T3037] do_syscall_64+0x41/0xc0 [ 43.971072][ T3037] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 43.976958][ T3037] [ 43.979267][ T3037] read to 0xffff888103b42028 of 4 bytes by task 3037 on cpu 1: [ 43.986795][ T3037] lock_vma_under_rcu+0xcd/0x290 [ 43.991723][ T3037] exc_page_fault+0x16e/0x780 [ 43.996397][ T3037] asm_exc_page_fault+0x26/0x30 [ 44.001254][ T3037] [ 44.003593][ T3037] value changed: 0x0000004e -> 0x00000051 [ 44.009303][ T3037] [ 44.011626][ T3037] Reported by Kernel Concurrency Sanitizer on: [ 44.017760][ T3037] CPU: 1 PID: 3037 Comm: syz-fuzzer Not tainted 6.4.0-syzkaller-00082-gc0a572d9d32f #0 [ 44.027898][ T3037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 44.037939][ T3037] ================================================================== 2023/06/26 21:50:14 fetching corpus: 10250, signal 209749/373809 (executing program) 2023/06/26 21:50:14 fetching corpus: 10300, signal 210191/373809 (executing program) 2023/06/26 21:50:14 fetching corpus: 10350, signal 210491/373809 (executing program) 2023/06/26 21:50:14 fetching corpus: 10400, signal 210827/373809 (executing program) 2023/06/26 21:50:14 fetching corpus: 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