./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3319617305 <...> Warning: Permanently added '10.128.1.190' (ED25519) to the list of known hosts. execve("./syz-executor3319617305", ["./syz-executor3319617305"], 0x7ffed141ddd0 /* 10 vars */) = 0 brk(NULL) = 0x555574457000 brk(0x555574457d40) = 0x555574457d40 arch_prctl(ARCH_SET_FS, 0x5555744573c0) = 0 set_tid_address(0x555574457690) = 5103 set_robust_list(0x5555744576a0, 24) = 0 rseq(0x555574457ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3319617305", 4096) = 28 getrandom("\x84\x2c\xe4\x61\x42\x12\x1b\x8c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555574457d40 brk(0x555574478d40) = 0x555574478d40 brk(0x555574479000) = 0x555574479000 mprotect(0x7fe271929000, 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 write(1, "executing program\n", 18executing program ) = 18 futex(0x7fe27192f32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7fe2718cabe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe2718bc260}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe271840000 mprotect(0x7fe271841000, 131072, PROT_READ|PROT_WRITE) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe271860990, parent_tid=0x7fe271860990, exit_signal=0, stack=0x7fe271840000, stack_size=0x20300, tls=0x7fe2718606c0}./strace-static-x86_64: Process 5104 attached => {parent_tid=[5104]}, 88) = 5104 [pid 5104] rseq(0x7fe271860fe0, 0x20, 0, 0x53053053 [pid 5103] rt_sigprocmask(SIG_SETMASK, [], [pid 5104] <... rseq resumed>) = 0 [pid 5103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5104] set_robust_list(0x7fe2718609a0, 24 [pid 5103] futex(0x7fe27192f328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... set_robust_list resumed>) = 0 [pid 5103] <... futex resumed>) = 0 [pid 5104] rt_sigprocmask(SIG_SETMASK, [], [pid 5103] futex(0x7fe27192f32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5104] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY) = 3 [pid 5104] futex(0x7fe27192f32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5103] <... futex resumed>) = 0 [pid 5104] futex(0x7fe27192f328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5103] futex(0x7fe27192f328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5103] <... futex resumed>) = 0 [pid 5103] futex(0x7fe27192f32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5104] preadv(3, [pid 5103] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5103] futex(0x7fe27192f32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5103] futex(0x7fe27192f33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5103] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe27181f000 [pid 5103] mprotect(0x7fe271820000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5103] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5103] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe27183f990, parent_tid=0x7fe27183f990, exit_signal=0, stack=0x7fe27181f000, stack_size=0x20300, tls=0x7fe27183f6c0}./strace-static-x86_64: Process 5105 attached => {parent_tid=[5105]}, 88) = 5105 [pid 5105] rseq(0x7fe27183ffe0, 0x20, 0, 0x53053053 [pid 5103] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5105] <... rseq resumed>) = 0 [pid 5103] futex(0x7fe27192f338, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] set_robust_list(0x7fe27183f9a0, 24 [pid 5103] <... futex resumed>) = 0 [pid 5105] <... set_robust_list resumed>) = 0 [pid 5103] futex(0x7fe27192f33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5105] memfd_create("\x59\xff\xff", MFD_ALLOW_SEALING|MFD_HUGETLB|0x8) = 4 [pid 5105] futex(0x7fe27192f33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... futex resumed>) = 0 [pid 5103] futex(0x7fe27192f338, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... futex resumed>) = 1 [pid 5103] <... futex resumed>) = 0 [pid 5105] fcntl(4, F_DUPFD, 4 [pid 5103] futex(0x7fe27192f33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] <... fcntl resumed>) = 5 [pid 5105] futex(0x7fe27192f33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... futex resumed>) = 0 [pid 5105] <... futex resumed>) = 1 [pid 5103] futex(0x7fe27192f338, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] futex(0x7fe27192f338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5103] <... futex resumed>) = 0 [pid 5103] futex(0x7fe27192f33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5105] mmap(0x20000000, 8192, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSDOWN|PROT_GROWSUP|0xfcffff10, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x20000000 [pid 5105] futex(0x7fe27192f33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5103] <... futex resumed>) = 0 [pid 5103] futex(0x7fe27192f338, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] futex(0x7fe27192f338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5103] <... futex resumed>) = 0 [pid 5105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5103] futex(0x7fe27192f33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 71.612241][ T5105] list_del corruption, ffffea0001eb8090->next is NULL [ 71.619497][ T5105] ------------[ cut here ]------------ [ 71.624949][ T5105] kernel BUG at lib/list_debug.c:53! [ 71.630293][ T5105] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 71.630318][ T5105] CPU: 0 UID: 0 PID: 5105 Comm: syz-executor331 Not tainted 6.10.0-rc7-next-20240709-syzkaller #0 [ 71.630335][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 71.630347][ T5105] RIP: 0010:__list_del_entry_valid_or_report+0xd0/0x140 [ 71.630387][ T5105] Code: 06 e2 42 fd 48 8b 13 4c 39 fa 75 6b b0 01 5b 41 5c 41 5e 41 5f c3 cc cc cc cc 48 c7 c7 a0 9b 20 8c 4c 89 fe e8 71 e0 d7 06 90 <0f> 0b 48 c7 c7 00 9c 20 8c 4c 89 fe e8 5f e0 d7 06 90 0f 0b 48 c7 [ 71.630403][ T5105] RSP: 0018:ffffc900034df410 EFLAGS: 00010046 [ 71.630428][ T5105] RAX: 0000000000000033 RBX: ffff888140e81000 RCX: f885dda17ff31200 [ 71.630440][ T5105] RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000 [ 71.630449][ T5105] RBP: ffffea0001eb8090 R08: ffffffff8173a779 R09: 1ffff9200069be1c [ 71.630461][ T5105] R10: dffffc0000000000 R11: fffff5200069be1d R12: dffffc0000000000 [ 71.630478][ T5105] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffea0001eb8090 [ 71.630489][ T5105] FS: 00007fe27183f6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 71.630503][ T5105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.630514][ T5105] CR2: 00000000200d1a00 CR3: 0000000021fbe000 CR4: 00000000003506f0 [ 71.630527][ T5105] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.630537][ T5105] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.630550][ T5105] Call Trace: [ 71.630560][ T5105] [ 71.630567][ T5105] ? __die_body+0x88/0xe0 [ 71.630592][ T5105] ? die+0xcf/0x110 [ 71.630615][ T5105] ? do_trap+0x15a/0x3a0 [ 71.630646][ T5105] ? __list_del_entry_valid_or_report+0xd0/0x140 [ 71.630665][ T5105] ? do_error_trap+0x1dc/0x2c0 [ 71.630685][ T5105] ? __list_del_entry_valid_or_report+0xd0/0x140 [ 71.630705][ T5105] ? __pfx_do_error_trap+0x10/0x10 [ 71.630726][ T5105] ? report_bug+0x3cd/0x500 [ 71.630752][ T5105] ? __list_del_entry_valid_or_report+0xd0/0x140 [ 71.630771][ T5105] ? handle_invalid_op+0x34/0x40 [ 71.630809][ T5105] ? __list_del_entry_valid_or_report+0xd0/0x140 [ 71.630826][ T5105] ? exc_invalid_op+0x38/0x50 [ 71.630847][ T5105] ? asm_exc_invalid_op+0x1a/0x20 [ 71.630874][ T5105] ? __wake_up_klogd+0x109/0x140 [ 71.630893][ T5105] ? __list_del_entry_valid_or_report+0xd0/0x140 [ 71.630912][ T5105] __folio_undo_large_rmappable+0x104/0x230 [ 71.630964][ T5105] __folio_migrate_mapping+0x6c1/0x3490 [ 71.630988][ T5105] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 71.631012][ T5105] ? rcu_is_watching+0x15/0xb0 [ 71.631035][ T5105] ? __pfx___might_resched+0x10/0x10 [ 71.631056][ T5105] ? __pfx___folio_migrate_mapping+0x10/0x10 [ 71.631081][ T5105] ? copy_mc_to_kernel+0x35/0xa0 [ 71.631103][ T5105] ? folio_mc_copy+0x17c/0x290 [ 71.631119][ T5105] migrate_folio+0x111/0x260 [ 71.631141][ T5105] move_to_new_folio+0x306/0x12e0 [ 71.631168][ T5105] ? __pfx_move_to_new_folio+0x10/0x10 [ 71.631189][ T5105] ? rcu_is_watching+0x15/0xb0 [ 71.631215][ T5105] ? lock_release+0xbf/0x9f0 [ 71.631244][ T5105] ? __pfx_invalid_migration_vma+0x10/0x10 [ 71.631268][ T5105] ? __up_read+0x2c2/0x6b0 [ 71.631284][ T5105] ? __pfx___up_read+0x10/0x10 [ 71.631302][ T5105] ? try_to_migrate+0x3de/0x4b0 [ 71.631322][ T5105] ? __pfx_try_to_migrate+0x10/0x10 [ 71.631341][ T5105] ? __pfx_try_to_migrate_one+0x10/0x10 [ 71.631359][ T5105] ? __pfx_folio_not_mapped+0x10/0x10 [ 71.631377][ T5105] ? __pfx_folio_lock_anon_vma_read+0x10/0x10 [ 71.631394][ T5105] ? __pfx_invalid_migration_vma+0x10/0x10 [ 71.631418][ T5105] migrate_pages+0xb74/0x3460 [ 71.631447][ T5105] ? lock_release+0x70/0x9f0 [ 71.631466][ T5105] ? __pfx_alloc_migration_target_by_mpol+0x10/0x10 [ 71.631482][ T5105] ? __walk_page_range+0x6bd/0x720 [ 71.631510][ T5105] ? __pfx_migrate_pages+0x10/0x10 [ 71.631532][ T5105] ? __pfx_lock_release+0x10/0x10 [ 71.631554][ T5105] ? mas_prev_slot+0xf10/0xfb0 [ 71.631572][ T5105] ? mas_next_slot+0xeab/0xf90 [ 71.631593][ T5105] ? __pfx_up_write+0x10/0x10 [ 71.631608][ T5105] ? mas_find+0x422/0xbb0 [ 71.631626][ T5105] __se_sys_mbind+0x1490/0x19f0 [ 71.631654][ T5105] ? __pfx___se_sys_mbind+0x10/0x10 [ 71.631676][ T5105] ? rcu_is_watching+0x15/0xb0 [ 71.631702][ T5105] ? __pfx_ptrace_notify+0x10/0x10 [ 71.631720][ T5105] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 71.631740][ T5105] ? rcu_is_watching+0x15/0xb0 [ 71.631762][ T5105] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [pid 5105] mbind(0x20199000, 16384, MPOL_DEFAULT, NULL, 0, MPOL_MF_STRICT|MPOL_MF_MOVE [pid 5103] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5103] exit_group(0) = ? [ 71.631793][ T5105] ? rcu_is_watching+0x15/0xb0 [ 71.631816][ T5105] ? __x64_sys_mbind+0x21/0xf0 [ 71.631837][ T5105] do_syscall_64+0xf3/0x230 [ 71.631858][ T5105] ? clear_bhb_loop+0x35/0x90 [ 71.631874][ T5105] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 71.631898][ T5105] RIP: 0033:0x7fe2718a4d39 [ 71.631917][ T5105] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b0 ff ff ff f7 d8 64 89 01 48 [ 71.631930][ T5105] RSP: 002b:00007fe27183f208 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed [ 71.631946][ T5105] RAX: ffffffffffffffda RBX: 00007fe27192f338 RCX: 00007fe2718a4d39 [ 71.631957][ T5105] RDX: 0000000000000000 RSI: 0000000000004000 RDI: 0000000020199000 [ 71.631967][ T5105] RBP: 00007fe27192f330 R08: 0000000000000000 R09: 0000000000000003 [ 71.631977][ T5105] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe2718fc604 [ 71.631987][ T5105] R13: 00007fe2718fc008 R14: 7277682f7665642f R15: 00000000ffffff1f [ 71.632004][ T5105] [ 71.632009][ T5105] Modules linked in: [ 71.632026][ T5105] ---[ end trace 0000000000000000 ]--- [ 72.171155][ T5105] RIP: 0010:__list_del_entry_valid_or_report+0xd0/0x140 [ 72.178101][ T5105] Code: 06 e2 42 fd 48 8b 13 4c 39 fa 75 6b b0 01 5b 41 5c 41 5e 41 5f c3 cc cc cc cc 48 c7 c7 a0 9b 20 8c 4c 89 fe e8 71 e0 d7 06 90 <0f> 0b 48 c7 c7 00 9c 20 8c 4c 89 fe e8 5f e0 d7 06 90 0f 0b 48 c7 [ 72.197723][ T5105] RSP: 0018:ffffc900034df410 EFLAGS: 00010046 [ 72.203797][ T5105] RAX: 0000000000000033 RBX: ffff888140e81000 RCX: f885dda17ff31200 [ 72.211764][ T5105] RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000 [ 72.219735][ T5105] RBP: ffffea0001eb8090 R08: ffffffff8173a779 R09: 1ffff9200069be1c [ 72.227707][ T5105] R10: dffffc0000000000 R11: fffff5200069be1d R12: dffffc0000000000 [ 72.235788][ T5105] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffea0001eb8090 [ 72.243879][ T5105] FS: 00007fe27183f6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 72.252918][ T5105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.259506][ T5105] CR2: 00000000200d1a00 CR3: 0000000021fbe000 CR4: 00000000003506f0 [ 72.267506][ T5105] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.275566][ T5105] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.283631][ T5105] Kernel panic - not syncing: Fatal exception [ 72.289991][ T5105] Kernel Offset: disabled [ 72.294321][ T5105] Rebooting in 86400 seconds..