[ 186.697785][ T41] audit: type=1400 audit(1595903861.111:41): avc: denied { map } for pid=9912 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '[localhost]:25397' (ECDSA) to the list of known hosts. executing program [ 189.749905][ T41] audit: type=1400 audit(1595903864.161:42): avc: denied { map } for pid=9929 comm="syz-executor996" path="/syz-executor996214851" dev="sda1" ino=16528 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 189.791042][ T9929] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 189.845070][ T9929] overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off. [ 189.874349][ T41] audit: type=1400 audit(1595903864.281:43): avc: denied { associate } for pid=9929 comm="syz-executor996" name="cpu.stat" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 189.901526][ T9929] ------------[ cut here ]------------ [ 189.946773][ T41] audit: type=1400 audit(1595903864.291:44): avc: denied { associate } for pid=9929 comm="syz-executor996" name="cpu.stat" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:hugetlbfs_t:s0 tclass=filesystem permissive=1 [ 189.964295][ T9929] kernel BUG at mm/hugetlb.c:3932! [ 190.015929][ T41] audit: type=1400 audit(1595903864.301:45): avc: denied { map } for pid=9929 comm="syz-executor996" path="/file0/bus/cpu.stat" dev="overlay" ino=38183 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:unlabeled_t:s0 tclass=file permissive=1 [ 190.086298][ T9929] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 190.094900][ T9929] CPU: 1 PID: 9929 Comm: syz-executor996 Not tainted 5.8.0-rc7-syzkaller #0 [ 190.094900][ T9929] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 190.094900][ T9929] RIP: 0010:__unmap_hugepage_range+0xa03/0xba0 [ 190.094900][ T9929] Code: 00 48 c7 c7 40 be 55 88 e8 2a 3c a0 ff e9 b0 fd ff ff e8 90 19 c4 ff 0f 0b e9 de f7 ff ff e8 84 19 c4 ff 0f 0b e8 7d 19 c4 ff <0f> 0b e8 76 19 c4 ff 83 8c 24 c0 00 00 00 01 48 8d bc 24 a0 00 00 [ 190.094900][ T9929] RSP: 0018:ffffc900013d79c8 EFLAGS: 00010293 [ 190.094900][ T9929] RAX: 0000000000000000 RBX: ffffffff8c92ae20 RCX: ffffffff81af9b7b [ 190.094900][ T9929] RDX: ffff888025a54980 RSI: ffffffff81afa353 RDI: 0000000000000007 [ 190.094900][ T9929] RBP: 0000000020000000 R08: 0000000000000000 R09: ffff88801d797887 [ 190.094900][ T9929] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000003000 [ 190.094900][ T9929] R13: 0000000000000000 R14: 0000000020003000 R15: 0000000000200000 [ 190.094900][ T9929] FS: 0000000001cf0880(0000) GS:ffff88802cf00000(0000) knlGS:0000000000000000 [ 190.094900][ T9929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 190.094900][ T9929] CR2: 00007f99a22499b8 CR3: 0000000022bd9000 CR4: 0000000000340ee0 [ 190.094900][ T9929] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 190.094900][ T9929] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 190.094900][ T9929] Call Trace: [ 190.094900][ T9929] ? huge_pte_offset+0x270/0x270 [ 190.094900][ T9929] ? lock_is_held_type+0xb0/0xe0 [ 190.094900][ T9929] ? down_write+0xdb/0x150 [ 190.094900][ T9929] ? down_write_killable+0x170/0x170 [ 190.094900][ T9929] __unmap_hugepage_range_final+0x30/0x70 [ 190.094900][ T9929] unmap_single_vma+0x23a/0x300 [ 190.094900][ T9929] unmap_vmas+0x16f/0x2f0 [ 190.094900][ T9929] ? zap_vma_ptes+0x100/0x100 [ 190.094900][ T9929] exit_mmap+0x2b1/0x510 [ 190.094900][ T9929] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 190.094900][ T9929] ? __khugepaged_exit+0x2b8/0x3f0 [ 190.094900][ T9929] ? kmem_cache_free+0x261/0x310 [ 190.094900][ T9929] ? __khugepaged_exit+0x2d9/0x3f0 [ 190.094900][ T9929] __mmput+0x122/0x470 [ 190.094900][ T9929] mmput+0x53/0x60 [ 190.094900][ T9929] do_exit+0xa8f/0x2a40 [ 190.094900][ T9929] ? mm_update_next_owner+0x7a0/0x7a0 [ 190.094900][ T9929] ? fput_many+0x2f/0x1a0 [ 190.094900][ T9929] ? ksys_mmap_pgoff+0xe6/0x5a0 [ 190.094900][ T9929] do_group_exit+0x125/0x310 [ 190.094900][ T9929] __x64_sys_exit_group+0x3a/0x50 [ 190.094900][ T9929] do_syscall_64+0x60/0xe0 [ 190.094900][ T9929] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 190.094900][ T9929] RIP: 0033:0x432a78 [ 190.094900][ T9929] Code: Bad RIP value. [ 190.094900][ T9929] RSP: 002b:00007fff26ea1ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 190.094900][ T9929] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000432a78 [ 190.094900][ T9929] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 190.094900][ T9929] RBP: 00000000004a6930 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 190.094900][ T9929] R10: 0000000000010012 R11: 0000000000000246 R12: 0000000000000001 [ 190.094900][ T9929] R13: 00000000006b8180 R14: 0000000000000000 R15: 0000000000000000 [ 190.094900][ T9929] Modules linked in: [ 190.712486][ T9929] ---[ end trace 23545166e9817fda ]--- [ 190.727054][ T9929] RIP: 0010:__unmap_hugepage_range+0xa03/0xba0 [ 190.740744][ T9929] Code: 00 48 c7 c7 40 be 55 88 e8 2a 3c a0 ff e9 b0 fd ff ff e8 90 19 c4 ff 0f 0b e9 de f7 ff ff e8 84 19 c4 ff 0f 0b e8 7d 19 c4 ff <0f> 0b e8 76 19 c4 ff 83 8c 24 c0 00 00 00 01 48 8d bc 24 a0 00 00 [ 190.788758][ T9929] RSP: 0018:ffffc900013d79c8 EFLAGS: 00010293 [ 190.806783][ T9929] RAX: 0000000000000000 RBX: ffffffff8c92ae20 RCX: ffffffff81af9b7b [ 190.837767][ T9929] RDX: ffff888025a54980 RSI: ffffffff81afa353 RDI: 0000000000000007 [ 190.865348][ T9929] RBP: 0000000020000000 R08: 0000000000000000 R09: ffff88801d797887 [ 190.885305][ T9929] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000003000 [ 190.907619][ T9929] R13: 0000000000000000 R14: 0000000020003000 R15: 0000000000200000 [ 190.941824][ T9929] FS: 0000000001cf0880(0000) GS:ffff88802cf00000(0000) knlGS:0000000000000000 [ 190.966382][ T9929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 190.983801][ T9929] CR2: 00007f99a22499b8 CR3: 0000000022bd9000 CR4: 0000000000340ee0 [ 191.003783][ T9929] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 191.030177][ T9929] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 191.048066][ T9929] Kernel panic - not syncing: Fatal exception [ 191.057882][ T9929] Kernel Offset: disabled [ 191.057882][ T9929] Rebooting in 86400 seconds..