./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3074379580 <...> DUID 00:04:92:3d:a4:bf:d8:99:95:1d:d2:9f:0e:34:7d:20:a7:e6 forked to background, child pid 3188 [ 23.313975][ T3189] 8021q: adding VLAN 0 to HW filter on device bond0 [ 23.328145][ T3189] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.144' (ECDSA) to the list of known hosts. execve("./syz-executor3074379580", ["./syz-executor3074379580"], 0x7ffd75762950 /* 10 vars */) = 0 brk(NULL) = 0x555555b2c000 brk(0x555555b2cc40) = 0x555555b2cc40 arch_prctl(ARCH_SET_FS, 0x555555b2c300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3074379580", 4096) = 28 brk(0x555555b4dc40) = 0x555555b4dc40 brk(0x555555b4e000) = 0x555555b4e000 mprotect(0x7f9cc9781000, 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 syzkaller login: [ 38.994768][ T3608] ------------[ cut here ]------------ [ 39.000269][ T3608] kernel BUG at include/linux/mm.h:1593! [ 39.005910][ T3608] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 39.012136][ T3608] CPU: 0 PID: 3608 Comm: syz-executor307 Not tainted 6.0.0-rc6-next-20220923-syzkaller #0 [ 39.022034][ T3608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 39.032088][ T3608] RIP: 0010:copy_hugetlb_page_range+0x2067/0x2710 [ 39.038587][ T3608] Code: ff 75 ee ff 0f 0b e8 a8 f0 b7 ff 83 8c 24 f8 00 00 00 01 48 8d bc 24 d8 00 00 00 e8 23 18 02 00 e9 fa ee ff ff e8 89 f0 b7 ff <0f> 0b e8 82 f0 b7 ff 48 8b 44 24 70 49 c1 e6 0e 48 bb 00 00 00 00 [ 39.058180][ T3608] RSP: 0018:ffffc90003c7f540 EFLAGS: 00010293 [ 39.064237][ T3608] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.072196][ T3608] RDX: ffff88807b980000 RSI: ffffffff81c4a377 RDI: 0000000000000005 [ 39.080152][ T3608] RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000 [ 39.088111][ T3608] R10: 0000000000000001 R11: 000000000008c07e R12: ffffea0001630008 [ 39.096082][ T3608] R13: 0000000000000000 R14: ffffea0001630000 R15: 0000000020000000 [ 39.104055][ T3608] FS: 0000555555b2c300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 39.112988][ T3608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.119577][ T3608] CR2: 0000000020003200 CR3: 00000000718ca000 CR4: 00000000003506f0 [ 39.127550][ T3608] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.135524][ T3608] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.143508][ T3608] Call Trace: [ 39.146784][ T3608] [ 39.149720][ T3608] ? huge_pte_alloc+0x500/0x500 [ 39.154585][ T3608] ? kasan_save_stack+0x31/0x40 [ 39.159449][ T3608] ? kasan_save_stack+0x1e/0x40 [ 39.164314][ T3608] ? kasan_set_track+0x21/0x30 [ 39.169088][ T3608] ? __kasan_slab_alloc+0x7e/0x80 [ 39.174129][ T3608] ? kmem_cache_alloc+0x2b7/0x3d0 [ 39.179163][ T3608] ? anon_vma_fork+0x1ed/0x630 [ 39.183932][ T3608] ? dup_mmap+0xbb8/0x10b0 [ 39.188358][ T3608] ? dup_mm+0x91/0x370 [ 39.192433][ T3608] ? copy_process+0x3bc6/0x71b0 [ 39.197290][ T3608] ? kernel_clone+0xe7/0x980 [ 39.201885][ T3608] ? __do_sys_clone3+0x1cd/0x2e0 [ 39.206833][ T3608] ? do_syscall_64+0x35/0xb0 [ 39.211428][ T3608] copy_page_range+0x222e/0x3a00 [ 39.216376][ T3608] ? lock_release+0x810/0x810 [ 39.221056][ T3608] ? mas_is_span_wr+0x15a/0x220 [ 39.225924][ T3608] ? mas_wr_store_entry.isra.0+0x5c3/0xf90 [ 39.231743][ T3608] ? handle_mm_fault+0x780/0x780 [ 39.236690][ T3608] ? mas_empty_area_rev+0x1290/0x1290 [ 39.242075][ T3608] ? up_write+0x1ac/0x520 [ 39.246418][ T3608] dup_mmap+0xc10/0x10b0 [ 39.250761][ T3608] ? replace_mm_exe_file+0x4b0/0x4b0 [ 39.256055][ T3608] ? do_raw_spin_unlock+0x171/0x230 [ 39.261262][ T3608] ? lockdep_init_map_type+0x21a/0x7f0 [ 39.266730][ T3608] ? __init_rwsem+0x129/0x1a0 [ 39.271422][ T3608] dup_mm+0x91/0x370 [ 39.275324][ T3608] copy_process+0x3bc6/0x71b0 [ 39.280011][ T3608] ? rcu_read_lock_sched_held+0xd/0x70 [ 39.285492][ T3608] ? lock_acquire+0x4fc/0x630 [ 39.290178][ T3608] ? __cleanup_sighand+0xb0/0xb0 [ 39.295125][ T3608] ? _copy_from_user+0xf9/0x170 [ 39.299994][ T3608] kernel_clone+0xe7/0x980 [ 39.304421][ T3608] ? rcu_read_lock_sched_held+0xd/0x70 [ 39.309899][ T3608] ? create_io_thread+0xe0/0xe0 [ 39.314756][ T3608] ? rcu_read_lock_sched_held+0xd/0x70 [ 39.320234][ T3608] ? do_raw_spin_lock+0x120/0x2a0 [ 39.325269][ T3608] __do_sys_clone3+0x1cd/0x2e0 [ 39.330041][ T3608] ? __do_sys_clone+0x100/0x100 [ 39.334899][ T3608] ? recalc_sigpending_tsk+0x18f/0x1d0 [ 39.340381][ T3608] ? lock_downgrade+0x6e0/0x6e0 [ 39.345240][ T3608] ? _raw_spin_unlock_irq+0x1f/0x40 [ 39.350460][ T3608] ? trace_hardirqs_on+0x2d/0x160 [ 39.355502][ T3608] ? _raw_spin_unlock_irq+0x2a/0x40 [ 39.360715][ T3608] ? ptrace_notify+0xfa/0x140 [ 39.365487][ T3608] do_syscall_64+0x35/0xb0 [ 39.369905][ T3608] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 39.375813][ T3608] RIP: 0033:0x7f9cc9714c39 [ 39.380232][ T3608] 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 [ 39.399839][ T3608] RSP: 002b:00007fffeba9cd58 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 [ 39.408251][ T3608] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9cc9714c39 [ 39.416220][ T3608] RDX: 00007f9cc9714c39 RSI: 0000000000000058 RDI: 00007fffeba9cd60 [ 39.424193][ T3608] RBP: 00007f9cc96d8d80 R08: 0000000000000000 R09: 0000000000000000 [ 39.432161][ T3608] R10: 00007fffeba9cd60 R11: 0000000000000246 R12: 00007f9cc96d8e10 [ 39.440132][ T3608] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 39.448118][ T3608] [ 39.451132][ T3608] Modules linked in: [ 39.455265][ T3608] ---[ end trace 0000000000000000 ]--- [ 39.460732][ T3608] RIP: 0010:copy_hugetlb_page_range+0x2067/0x2710 [ 39.467196][ T3608] Code: ff 75 ee ff 0f 0b e8 a8 f0 b7 ff 83 8c 24 f8 00 00 00 01 48 8d bc 24 d8 00 00 00 e8 23 18 02 00 e9 fa ee ff ff e8 89 f0 b7 ff <0f> 0b e8 82 f0 b7 ff 48 8b 44 24 70 49 c1 e6 0e 48 bb 00 00 00 00 [ 39.486809][ T3608] RSP: 0018:ffffc90003c7f540 EFLAGS: 00010293 [ 39.492859][ T3608] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.500845][ T3608] RDX: ffff88807b980000 RSI: ffffffff81c4a377 RDI: 0000000000000005 [ 39.508834][ T3608] RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000 [ 39.516814][ T3608] R10: 0000000000000001 R11: 000000000008c07e R12: ffffea0001630008 [ 39.524803][ T3608] R13: 0000000000000000 R14: ffffea0001630000 R15: 0000000020000000 [ 39.532758][ T3608] FS: 0000555555b2c300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 39.541702][ T3608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.548308][ T3608] CR2: 0000000020003200 CR3: 00000000718ca000 CR4: 00000000003506f0 [ 39.556294][ T3608] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.564265][ T3608] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.572265][ T3608] Kernel panic - not syncing: Fatal exception [ 39.578379][ T3608] Kernel Offset: disabled [ 39.582694][ T3608] Rebooting in 86400 seconds..