Warning: Permanently added '10.128.0.131' (ECDSA) to the list of known hosts. executing program [ 58.259353] audit: type=1400 audit(1585000803.233:36): avc: denied { map } for pid=8207 comm="syz-executor020" path="/root/syz-executor020016887" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 58.267306] overlayfs: upper fs does not support tmpfile. [ 58.291600] overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off. [ 58.302738] audit: type=1400 audit(1585000803.283:37): avc: denied { associate } for pid=8207 comm="syz-executor020" name="cpu.stat" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 58.306098] ------------[ cut here ]------------ [ 58.325792] audit: type=1400 audit(1585000803.283:38): avc: denied { associate } for pid=8207 comm="syz-executor020" name="cpu.stat" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:hugetlbfs_t:s0 tclass=filesystem permissive=1 [ 58.330285] kernel BUG at mm/hugetlb.c:3371! [ 58.354200] audit: type=1400 audit(1585000803.283:39): avc: denied { map } for pid=8207 comm="syz-executor020" path="/root/file0/bus/cpu.stat" dev="overlay" ino=29380 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:unlabeled_t:s0 tclass=file permissive=1 [ 58.357865] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 58.388663] CPU: 1 PID: 8207 Comm: syz-executor020 Not tainted 4.19.112-syzkaller #0 [ 58.396529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.405874] RIP: 0010:__unmap_hugepage_range+0x8e4/0xa90 [ 58.411323] Code: 4c 89 ea e8 4e 7b 93 ff 66 90 4c 89 ff e8 74 f5 84 05 e9 59 fc ff ff e8 9a 79 cd ff 0f 0b e8 93 79 cd ff 0f 0b e8 8c 79 cd ff <0f> 0b e8 85 79 cd ff 48 8b 94 24 b0 00 00 00 b9 01 00 00 00 48 89 [ 58.430225] RSP: 0018:ffff888097fafa38 EFLAGS: 00010293 [ 58.435598] RAX: ffff88809ee4c100 RBX: ffffffff8b6e3b30 RCX: ffffffff819a24bc [ 58.442851] RDX: 0000000000000000 RSI: ffffffff819a2b34 RDI: 0000000000000007 [ 58.450119] RBP: ffff88808e04aac0 R08: ffff88809ee4c100 R09: fffffbfff16d1ce9 [ 58.457379] R10: fffffbfff16d1ce8 R11: 0000000000000003 R12: 0000000020000000 [ 58.464640] R13: 0000000000003000 R14: 0000000000000000 R15: 0000000000200000 [ 58.471892] FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 58.480126] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.485991] CR2: 0000561094b281b0 CR3: 000000008fc72000 CR4: 00000000001406e0 [ 58.493246] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.500510] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.507759] Call Trace: [ 58.510337] ? huge_pte_offset+0x410/0x410 [ 58.514683] ? lock_acquire+0x170/0x400 [ 58.518763] ? unmap_single_vma+0x224/0x300 [ 58.523077] __unmap_hugepage_range_final+0x30/0x70 [ 58.528080] unmap_single_vma+0x238/0x300 [ 58.532213] unmap_vmas+0xa9/0x180 [ 58.535747] exit_mmap+0x2b2/0x510 [ 58.539270] ? __ia32_sys_munmap+0x80/0x80 [ 58.543491] ? trace_hardirqs_off+0x50/0x200 [ 58.547926] ? __khugepaged_exit+0x2c3/0x3d0 [ 58.552325] ? rcu_read_lock_sched_held+0x10a/0x130 [ 58.557337] ? kmem_cache_free+0x218/0x260 [ 58.561559] ? __khugepaged_exit+0x2e4/0x3d0 [ 58.565953] mmput+0x14e/0x4a0 [ 58.569131] do_exit+0xac8/0x2f30 [ 58.572580] ? vma_is_stack_for_current+0xc0/0xc0 [ 58.577496] ? iterate_fd+0x350/0x350 [ 58.581287] ? mm_update_next_owner+0x650/0x650 [ 58.585955] ? putname+0xe1/0x120 [ 58.589391] ? fput+0x2b/0x190 [ 58.592567] ? ksys_mmap_pgoff+0xe0/0x5b0 [ 58.596716] do_group_exit+0x125/0x350 [ 58.600600] __x64_sys_exit_group+0x3a/0x50 [ 58.604908] do_syscall_64+0xf9/0x620 [ 58.608691] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.613862] RIP: 0033:0x43efb8 [ 58.617065] Code: Bad RIP value. [ 58.620408] RSP: 002b:00007ffd51e89eb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 58.628097] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043efb8 [ 58.635373] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 58.642734] RBP: 00000000004be7c8 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 58.650150] R10: 0000000000010012 R11: 0000000000000246 R12: 0000000000000001 [ 58.657432] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 [ 58.664715] Modules linked in: [ 58.667996] ---[ end trace b78387d8290b1cd7 ]--- [ 58.673126] RIP: 0010:__unmap_hugepage_range+0x8e4/0xa90 [ 58.678569] Code: 4c 89 ea e8 4e 7b 93 ff 66 90 4c 89 ff e8 74 f5 84 05 e9 59 fc ff ff e8 9a 79 cd ff 0f 0b e8 93 79 cd ff 0f 0b e8 8c 79 cd ff <0f> 0b e8 85 79 cd ff 48 8b 94 24 b0 00 00 00 b9 01 00 00 00 48 89 [ 58.698063] RSP: 0018:ffff888097fafa38 EFLAGS: 00010293 [ 58.703539] RAX: ffff88809ee4c100 RBX: ffffffff8b6e3b30 RCX: ffffffff819a24bc [ 58.710797] RDX: 0000000000000000 RSI: ffffffff819a2b34 RDI: 0000000000000007 [ 58.718288] RBP: ffff88808e04aac0 R08: ffff88809ee4c100 R09: fffffbfff16d1ce9 [ 58.725586] R10: fffffbfff16d1ce8 R11: 0000000000000003 R12: 0000000020000000 [ 58.732875] R13: 0000000000003000 R14: 0000000000000000 R15: 0000000000200000 [ 58.740157] FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 58.748658] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.755057] CR2: 000000000043ef8e CR3: 000000008fc72000 CR4: 00000000001406e0 [ 58.762537] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.770002] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.777369] Kernel panic - not syncing: Fatal exception [ 58.783641] Kernel Offset: disabled [ 58.787341] Rebooting in 86400 seconds..