./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3500231983 <...> Warning: Permanently added '10.128.1.118' (ED25519) to the list of known hosts. execve("./syz-executor3500231983", ["./syz-executor3500231983"], 0x7fffeef517d0 /* 10 vars */) = 0 brk(NULL) = 0x5555559fc000 brk(0x5555559fcd00) = 0x5555559fcd00 arch_prctl(ARCH_SET_FS, 0x5555559fc380) = 0 set_tid_address(0x5555559fc650) = 5044 set_robust_list(0x5555559fc660, 24) = 0 rseq(0x5555559fcca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3500231983", 4096) = 28 getrandom("\x52\xa4\x22\x02\xea\x0e\x5e\x24", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555559fcd00 brk(0x555555a1dd00) = 0x555555a1dd00 brk(0x555555a1e000) = 0x555555a1e000 mprotect(0x7f154f935000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555559fc650) = 5045 ./strace-static-x86_64: Process 5045 attached [pid 5045] set_robust_list(0x5555559fc660, 24) = 0 [pid 5045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5045] setpgid(0, 0) = 0 [pid 5045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5045] write(3, "1000", 4) = 4 [pid 5045] close(3) = 0 [pid 5045] mmap(0x20000000, 11755520, PROT_READ|PROT_EXEC, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE|MAP_HUGETLB, -1, 0) = 0x20000000 [pid 5045] exit_group(0) = ? [ 88.983653][ T5045] page:ffffea0001b10000 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x6c400 [ 88.993906][ T5045] head:ffffea0001b10000 order:8 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 89.003152][ T5045] flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) [ 89.011088][ T5045] page_type: 0xffffffff() [ 89.015720][ T5045] raw: 00fff00000000040 dead000000000100 dead000000000122 0000000000000000 [ 89.025283][ T5045] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 89.034339][ T5045] page dumped because: VM_BUG_ON_PAGE(compound && compound_order(page) != order) [ 89.043687][ T5045] page_owner tracks the page as allocated [ 89.049565][ T5045] page last allocated via order 9, migratetype Movable, gfp_mask 0x146cca(GFP_HIGHUSER_MOVABLE|__GFP_NOWARN|__GFP_RETRY_MAYFAIL|__GFP_COMP), pid 5045, tgid 5045 (syz-executor350), ts 88977699374, free_ts 34022133781 [ 89.071709][ T5045] post_alloc_hook+0x2cf/0x340 [ 89.076806][ T5045] get_page_from_freelist+0x10d7/0x31b0 [ 89.082441][ T5045] __alloc_pages+0x1d0/0x4a0 [ 89.087070][ T5045] alloc_buddy_hugetlb_folio.isra.0+0xbd/0x380 [ 89.093808][ T5045] alloc_fresh_hugetlb_folio+0x3a1/0x6f0 [ 89.099665][ T5045] alloc_surplus_hugetlb_folio+0x12a/0x300 [ 89.105627][ T5045] hugetlb_acct_memory.part.0+0x34b/0xa90 [ 89.111440][ T5045] hugetlb_reserve_pages+0xa54/0xe60 [ 89.116766][ T5045] hugetlbfs_file_mmap+0x59f/0xb70 [ 89.122054][ T5045] mmap_region+0x6b9/0x28b0 [ 89.126617][ T5045] do_mmap+0x893/0xef0 [ 89.130853][ T5045] vm_mmap_pgoff+0x1a8/0x3b0 [ 89.135795][ T5045] ksys_mmap_pgoff+0x1c4/0x5b0 [ 89.141332][ T5045] __x64_sys_mmap+0x125/0x190 [ 89.146311][ T5045] do_syscall_64+0x38/0xb0 [ 89.151507][ T5045] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 89.162209][ T5045] page last free stack trace: [ 89.175148][ T5045] free_unref_page_prepare+0x476/0xa40 [ 89.180724][ T5045] free_unref_page+0x33/0x3b0 [ 89.185466][ T5045] free_contig_range+0xb6/0x190 [ 89.190395][ T5045] destroy_args+0x768/0x990 [ 89.194957][ T5045] debug_vm_pgtable+0x1d7e/0x3e00 [ 89.200082][ T5045] do_one_initcall+0x117/0x630 [ 89.204894][ T5045] kernel_init_freeable+0x5c2/0x900 [ 89.210144][ T5045] kernel_init+0x1c/0x2a0 [ 89.214506][ T5045] ret_from_fork+0x45/0x80 [ 89.218980][ T5045] ret_from_fork_asm+0x11/0x20 [ 89.224087][ T5045] ------------[ cut here ]------------ [ 89.229582][ T5045] kernel BUG at mm/page_alloc.c:1107! [ 89.234979][ T5045] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 89.241081][ T5045] CPU: 0 PID: 5045 Comm: syz-executor350 Not tainted 6.5.0-rc6-next-20230818-syzkaller #0 [ 89.251007][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 89.261093][ T5045] RIP: 0010:free_unref_page_prepare+0x885/0xa40 [ 89.267393][ T5045] Code: 48 89 d7 e8 5d 2e f4 ff 0f 0b c7 44 24 08 00 00 00 00 4d 8d 77 40 e9 79 fd ff ff 48 c7 c6 80 b9 99 8a 4c 89 ff e8 3b 2e f4 ff <0f> 0b 48 89 ef e8 81 db 0b 00 e9 aa f7 ff ff 4c 89 f7 e8 74 db 0b [ 89.287027][ T5045] RSP: 0018:ffffc9000397f6c0 EFLAGS: 00010293 [ 89.293121][ T5045] RAX: 0000000000000000 RBX: 0000000000000009 RCX: 0000000000000000 [ 89.301117][ T5045] RDX: ffff88807af30000 RSI: ffffffff81d178f5 RDI: 0000000000000000 [ 89.309112][ T5045] RBP: ffffea0001b10008 R08: 0000000000000000 R09: fffffbfff1d9bbf2 [ 89.317097][ T5045] R10: ffffffff8ecddf97 R11: 1ffffffff1976ca9 R12: 000000000006c400 [ 89.325169][ T5045] R13: 0000000000000009 R14: ffffea0001b10040 R15: ffffea0001b10000 [ 89.333155][ T5045] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 89.342104][ T5045] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.348704][ T5045] CR2: 00007f154f89164c CR3: 0000000029448000 CR4: 00000000003506f0 [ 89.356689][ T5045] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 89.364680][ T5045] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 89.372668][ T5045] Call Trace: [ 89.375956][ T5045] [ 89.378901][ T5045] ? show_regs+0x8f/0xa0 [ 89.383171][ T5045] ? die+0x36/0xa0 [ 89.386915][ T5045] ? do_trap+0x22b/0x420 [ 89.391186][ T5045] ? free_unref_page_prepare+0x885/0xa40 [ 89.396854][ T5045] ? free_unref_page_prepare+0x885/0xa40 [ 89.402513][ T5045] ? do_error_trap+0xf4/0x230 [ 89.407215][ T5045] ? free_unref_page_prepare+0x885/0xa40 [ 89.412879][ T5045] ? handle_invalid_op+0x34/0x40 [ 89.417857][ T5045] ? free_unref_page_prepare+0x885/0xa40 [ 89.423542][ T5045] ? exc_invalid_op+0x2d/0x40 [ 89.428244][ T5045] ? asm_exc_invalid_op+0x1a/0x20 [ 89.433301][ T5045] ? free_unref_page_prepare+0x885/0xa40 [ 89.438971][ T5045] ? free_unref_page_prepare+0x885/0xa40 [ 89.444635][ T5045] ? rcu_is_watching+0x12/0xb0 [ 89.449421][ T5045] free_unref_page+0x33/0x3b0 [ 89.454130][ T5045] __update_and_free_hugetlb_folio+0x3c1/0x4a0 [ 89.460307][ T5045] update_and_free_hugetlb_folio+0x82/0x120 [ 89.466222][ T5045] free_huge_folio+0x6e0/0xbb0 [ 89.471012][ T5045] release_pages+0x51b/0x14e0 [ 89.475731][ T5045] ? mlock_drain_local+0x21e/0x4f0 [ 89.480867][ T5045] ? put_pages_list+0x570/0x570 [ 89.485744][ T5045] ? reacquire_held_locks+0x4b0/0x4b0 [ 89.491154][ T5045] ? bit_wait_timeout+0x160/0x160 [ 89.496212][ T5045] ? lru_add_drain_cpu+0x45c/0x850 [ 89.501357][ T5045] __folio_batch_release+0x77/0xe0 [ 89.506495][ T5045] remove_inode_hugepages+0xb7b/0xe20 [ 89.511907][ T5045] ? rcu_is_watching+0x12/0xb0 [ 89.516693][ T5045] ? reacquire_held_locks+0x4b0/0x4b0 [ 89.522098][ T5045] ? trace_contention_end+0xd6/0x100 [ 89.527409][ T5045] ? hugetlb_vma_maps_page+0x3c0/0x3c0 [ 89.532903][ T5045] ? rcu_is_watching+0x12/0xb0 [ 89.537686][ T5045] ? lock_acquire+0x464/0x510 [ 89.542400][ T5045] ? spin_bug+0x1d0/0x1d0 [ 89.546760][ T5045] ? hugetlbfs_setattr+0x4d0/0x4d0 [ 89.551912][ T5045] hugetlbfs_evict_inode+0x22/0x70 [ 89.557060][ T5045] ? hugetlbfs_setattr+0x4d0/0x4d0 [ 89.562203][ T5045] evict+0x2ed/0x6b0 [ 89.566131][ T5045] iput.part.0+0x55e/0x7a0 [ 89.570587][ T5045] iput+0x5c/0x80 [ 89.574251][ T5045] dentry_unlink_inode+0x292/0x430 [ 89.579390][ T5045] __dentry_kill+0x3b8/0x640 [ 89.584010][ T5045] ? dput+0x39/0xfd0 [ 89.587926][ T5045] ? dput+0x39/0xfd0 [ 89.591846][ T5045] dput+0x8dd/0xfd0 [ 89.595682][ T5045] __fput+0x536/0xa70 [ 89.599696][ T5045] task_work_run+0x14d/0x240 [ 89.604326][ T5045] ? task_work_cancel+0x30/0x30 [ 89.609216][ T5045] ? do_raw_spin_unlock+0x173/0x230 [ 89.614450][ T5045] do_exit+0xa99/0x2a20 [ 89.618643][ T5045] ? do_group_exit+0x1c5/0x2a0 [ 89.623439][ T5045] ? reacquire_held_locks+0x4b0/0x4b0 [ 89.628857][ T5045] ? do_raw_spin_lock+0x12e/0x2b0 [ 89.633916][ T5045] ? mm_update_next_owner+0x850/0x850 [ 89.639318][ T5045] ? spin_bug+0x1d0/0x1d0 [ 89.643676][ T5045] ? rcu_is_watching+0x12/0xb0 [ 89.648458][ T5045] do_group_exit+0xd4/0x2a0 [ 89.653030][ T5045] __x64_sys_exit_group+0x3e/0x50 [ 89.658089][ T5045] do_syscall_64+0x38/0xb0 [ 89.662536][ T5045] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 89.668469][ T5045] RIP: 0033:0x7f154f8c0b09 [ 89.672897][ T5045] Code: Unable to access opcode bytes at 0x7f154f8c0adf. [ 89.679922][ T5045] RSP: 002b:00007fffeb55e118 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 89.688367][ T5045] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f154f8c0b09 [ 89.696351][ T5045] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 89.704330][ T5045] RBP: 00007f154f93b290 R08: ffffffffffffffb8 R09: 0000000000000000 [ 89.712314][ T5045] R10: 0000000000048031 R11: 0000000000000246 R12: 00007f154f93b290 [ 89.720300][ T5045] R13: 0000000000000000 R14: 00007f154f93bce0 R15: 00007f154f891d60 [ 89.728307][ T5045] [ 89.731335][ T5045] Modules linked in: [ 89.735833][ T5045] ---[ end trace 0000000000000000 ]--- [ 89.741604][ T5045] RIP: 0010:free_unref_page_prepare+0x885/0xa40 [ 89.748136][ T5045] Code: 48 89 d7 e8 5d 2e f4 ff 0f 0b c7 44 24 08 00 00 00 00 4d 8d 77 40 e9 79 fd ff ff 48 c7 c6 80 b9 99 8a 4c 89 ff e8 3b 2e f4 ff <0f> 0b 48 89 ef e8 81 db 0b 00 e9 aa f7 ff ff 4c 89 f7 e8 74 db 0b [ 89.767872][ T5045] RSP: 0018:ffffc9000397f6c0 EFLAGS: 00010293 [ 89.774244][ T5045] RAX: 0000000000000000 RBX: 0000000000000009 RCX: 0000000000000000 [ 89.782458][ T5045] RDX: ffff88807af30000 RSI: ffffffff81d178f5 RDI: 0000000000000000 [ 89.790681][ T5045] RBP: ffffea0001b10008 R08: 0000000000000000 R09: fffffbfff1d9bbf2 [ 89.798872][ T5045] R10: ffffffff8ecddf97 R11: 1ffffffff1976ca9 R12: 000000000006c400 [ 89.806885][ T5045] R13: 0000000000000009 R14: ffffea0001b10040 R15: ffffea0001b10000 [ 89.815400][ T5045] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 89.824547][ T5045] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.831417][ T5045] CR2: 000055d22c54e0b8 CR3: 0000000029448000 CR4: 00000000003506f0 [ 89.839522][ T5045] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 89.847743][ T5045] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 89.855978][ T5045] Kernel panic - not syncing: Fatal exception [ 89.862354][ T5045] Kernel Offset: disabled [ 89.866684][ T5045] Rebooting in 86400 seconds..