./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4158365698 <...> [ 28.959175][ T3187] 8021q: adding VLAN 0 to HW filter on device bond0 [ 28.973203][ T3187] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 38.979362][ T27] kauditd_printk_skb: 37 callbacks suppressed [ 38.979377][ T27] audit: type=1400 audit(1664513197.489:73): avc: denied { transition } for pid=3401 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 [ 39.007987][ T27] audit: type=1400 audit(1664513197.499:74): avc: denied { write } for pid=3401 comm="sh" path="pipe:[28111]" dev="pipefs" ino=28111 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.1.53' (ECDSA) to the list of known hosts. execve("./syz-executor4158365698", ["./syz-executor4158365698"], 0x7ffe5eda2ae0 /* 10 vars */) = 0 brk(NULL) = 0x555556615000 brk(0x555556615c40) = 0x555556615c40 arch_prctl(ARCH_SET_FS, 0x555556615300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor4158365698", 4096) = 28 brk(0x555556636c40) = 0x555556636c40 brk(0x555556637000) = 0x555556637000 mprotect(0x7f48c7d18000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE|MAP_DENYWRITE|MAP_STACK|MAP_HUGETLB, -1, 0) = 0x20000000 madvise(0x20000000, 6291459, MADV_REMOVE) = 0 madvise(0x20800000, 8388608, MADV_DONTNEED) = 0 [ 49.400941][ T27] audit: type=1400 audit(1664513207.919:75): avc: denied { execmem } for pid=3614 comm="syz-executor415" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 49.411796][ T3614] ------------[ cut here ]------------ [ 49.426165][ T3614] kernel BUG at include/linux/mm.h:1529! [ 49.431935][ T3614] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 49.437998][ T3614] CPU: 1 PID: 3614 Comm: syz-executor415 Not tainted 6.0.0-rc7-syzkaller-00130-g511cce163b75 #0 [ 49.448485][ T3614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 49.458554][ T3614] RIP: 0010:copy_hugetlb_page_range+0x1f16/0x2590 [ 49.465024][ T3614] Code: 00 2e ee ff 0f 0b e8 49 4c b8 ff 83 8c 24 00 01 00 00 01 48 8d bc 24 e0 00 00 00 e8 84 14 02 00 e9 5d ef ff ff e8 2a 4c b8 ff <0f> 0b e8 23 4c b8 ff 0f 0b e8 1c 4c b8 ff 49 c1 e4 0e 48 8b 84 24 [ 49.484633][ T3614] RSP: 0018:ffffc90002f875f0 EFLAGS: 00010293 [ 49.490709][ T3614] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.498679][ T3614] RDX: ffff88804d6b0040 RSI: ffffffff81c2eaf6 RDI: 0000000000000005 [ 49.506664][ T3614] RBP: ffffea0001320000 R08: 0000000000000005 R09: 0000000000000000 [ 49.514642][ T3614] R10: 0000000000000001 R11: 0000000000000000 R12: ffffea0001320008 [ 49.522609][ T3614] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000020000000 [ 49.530669][ T3614] FS: 0000555556615300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 49.539600][ T3614] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.546178][ T3614] CR2: 0000000020003200 CR3: 0000000077c91000 CR4: 00000000003506e0 [ 49.554144][ T3614] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.562106][ T3614] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.570069][ T3614] Call Trace: [ 49.573339][ T3614] [ 49.576267][ T3614] ? huge_pte_alloc+0x4c0/0x4c0 [ 49.581200][ T3614] ? lockdep_unlock+0x11b/0x290 [ 49.586051][ T3614] ? __lock_acquire+0x2567/0x56d0 [ 49.591081][ T3614] copy_page_range+0x2044/0x37d0 [ 49.596102][ T3614] ? find_held_lock+0x2d/0x110 [ 49.600867][ T3614] ? dup_mm+0x7a9/0x13a0 [ 49.605107][ T3614] ? handle_mm_fault+0x780/0x780 [ 49.610055][ T3614] ? validate_mm_rb+0x46/0x2d0 [ 49.614841][ T3614] ? down_write+0xde/0x150 [ 49.619277][ T3614] ? __vma_link_rb+0x553/0x710 [ 49.624035][ T3614] dup_mm+0xa99/0x13a0 [ 49.628117][ T3614] ? replace_mm_exe_file+0x480/0x480 [ 49.633411][ T3614] ? __raw_spin_lock_init+0x36/0x110 [ 49.638720][ T3614] copy_process+0x3ca6/0x7090 [ 49.643403][ T3614] ? find_held_lock+0x2d/0x110 [ 49.648174][ T3614] ? __cleanup_sighand+0xb0/0xb0 [ 49.653236][ T3614] ? _copy_from_user+0xf9/0x170 [ 49.658092][ T3614] kernel_clone+0xe7/0xab0 [ 49.662510][ T3614] ? create_io_thread+0xe0/0xe0 [ 49.667361][ T3614] ? do_raw_spin_lock+0x120/0x2a0 [ 49.672381][ T3614] __do_sys_clone3+0x1cd/0x2e0 [ 49.677145][ T3614] ? __do_sys_clone+0x100/0x100 [ 49.681996][ T3614] ? lock_downgrade+0x6e0/0x6e0 [ 49.686845][ T3614] ? _raw_spin_unlock_irq+0x1f/0x40 [ 49.692038][ T3614] ? _raw_spin_unlock_irq+0x1f/0x40 [ 49.697231][ T3614] ? lockdep_hardirqs_on+0x79/0x100 [ 49.702424][ T3614] ? _raw_spin_unlock_irq+0x2a/0x40 [ 49.707619][ T3614] ? ptrace_notify+0xfa/0x140 [ 49.712818][ T3614] do_syscall_64+0x35/0xb0 [ 49.717234][ T3614] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 49.723122][ T3614] RIP: 0033:0x7f48c7cabc39 [ 49.727530][ T3614] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 49.747149][ T3614] RSP: 002b:00007ffca2680968 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 [ 49.755566][ T3614] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f48c7cabc39 [ 49.763545][ T3614] RDX: 00007f48c7cabc39 RSI: 0000000000000058 RDI: 00007ffca2680970 [ 49.771519][ T3614] RBP: 00007f48c7c6fd80 R08: 0000000000000000 R09: 0000000000000000 [ 49.779493][ T3614] R10: 00007ffca2680970 R11: 0000000000000246 R12: 00007f48c7c6fe10 [ 49.787459][ T3614] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 49.795518][ T3614] [ 49.798528][ T3614] Modules linked in: [ 49.802606][ T3614] ---[ end trace 0000000000000000 ]--- [ 49.808075][ T3614] RIP: 0010:copy_hugetlb_page_range+0x1f16/0x2590 [ 49.814573][ T3614] Code: 00 2e ee ff 0f 0b e8 49 4c b8 ff 83 8c 24 00 01 00 00 01 48 8d bc 24 e0 00 00 00 e8 84 14 02 00 e9 5d ef ff ff e8 2a 4c b8 ff <0f> 0b e8 23 4c b8 ff 0f 0b e8 1c 4c b8 ff 49 c1 e4 0e 48 8b 84 24 [ 49.834222][ T3614] RSP: 0018:ffffc90002f875f0 EFLAGS: 00010293 [ 49.840332][ T3614] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.848484][ T3614] RDX: ffff88804d6b0040 RSI: ffffffff81c2eaf6 RDI: 0000000000000005 [ 49.856483][ T3614] RBP: ffffea0001320000 R08: 0000000000000005 R09: 0000000000000000 [ 49.864474][ T3614] R10: 0000000000000001 R11: 0000000000000000 R12: ffffea0001320008 [ 49.872466][ T3614] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000020000000 [ 49.880537][ T3614] FS: 0000555556615300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 49.889454][ T3614] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.896174][ T3614] CR2: 0000000020003200 CR3: 0000000077c91000 CR4: 00000000003506e0 [ 49.904166][ T3614] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.912154][ T3614] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.920512][ T3614] Kernel panic - not syncing: Fatal exception [ 49.926870][ T3614] Kernel Offset: disabled [ 49.931185][ T3614] Rebooting in 86400 seconds..