./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2911815084 <...> Warning: Permanently added '10.128.0.202' (ED25519) to the list of known hosts. execve("./syz-executor2911815084", ["./syz-executor2911815084"], 0x7ffd1aadd110 /* 10 vars */) = 0 brk(NULL) = 0x555592a4e000 brk(0x555592a4ed00) = 0x555592a4ed00 arch_prctl(ARCH_SET_FS, 0x555592a4e380) = 0 set_tid_address(0x555592a4e650) = 5835 set_robust_list(0x555592a4e660, 24) = 0 rseq(0x555592a4eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2911815084", 4096) = 28 getrandom("\xaa\xa8\xb9\x97\x6d\xf6\xfa\x2a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555592a4ed00 brk(0x555592a6fd00) = 0x555592a6fd00 brk(0x555592a70000) = 0x555592a70000 mprotect(0x7fcf1a664000, 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 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5836 attached [pid 5836] set_robust_list(0x555592a4e660, 24 [pid 5835] <... clone resumed>, child_tidptr=0x555592a4e650) = 5836 [pid 5836] <... set_robust_list resumed>) = 0 [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5836] setpgid(0, 0) = 0 [pid 5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5836] write(3, "1000", 4) = 4 [pid 5836] close(3) = 0 [pid 5836] write(1, "executing program\n", 18executing program ) = 18 [pid 5836] memfd_create("syzkaller", 0) = 3 [pid 5836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fcf12000000 [pid 5836] write(3, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536 [pid 5836] munmap(0x7fcf12000000, 138412032) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5836] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5836] close(3) = 0 [pid 5836] close(4) = 0 [pid 5836] mkdir("./file0", 0777) = 0 [ 68.268463][ T5836] loop0: detected capacity change from 0 to 128 [ 68.315503][ T5836] VFS: Found a Xenix FS (block size = 1024) on device loop0 [ 68.323083][ T5836] Bad inode number on dev loop0: 2 is out of range [ 68.329706][ T5836] SysV FS: get root inode failed [ 68.334677][ T5836] oldfs: cannot read superblock [ 68.339996][ C0] ------------[ cut here ]------------ [ 68.345530][ C0] VFS: brelse: Trying to free free buffer [ 68.351406][ C0] WARNING: CPU: 0 PID: 0 at fs/buffer.c:1234 invalidate_bh_lru+0x102/0x1b0 [ 68.360023][ C0] Modules linked in: [ 68.363923][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.12.0-syzkaller-08446-g228a1157fb9f #0 [ 68.373886][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 68.383947][ C0] RIP: 0010:invalidate_bh_lru+0x102/0x1b0 [ 68.389675][ C0] Code: 14 c0 da ff f0 ff 0b eb 25 e8 9a 28 73 ff 41 80 3c 2e 00 75 2a eb 30 e8 8c 28 73 ff 90 48 c7 c7 e0 a3 19 8c e8 6f d6 33 ff 90 <0f> 0b 90 90 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c [ 68.409284][ C0] RSP: 0018:ffffc90000007f30 EFLAGS: 00010046 [ 68.415351][ C0] RAX: 53646c566f61b500 RBX: ffff888077cd5b40 RCX: ffffffff8e6966c0 [ 68.423405][ C0] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000 [ 68.431384][ C0] RBP: 0000000000000000 R08: ffffffff8155fd62 R09: fffffbfff1cfa8a0 [ 68.439350][ C0] R10: dffffc0000000000 R11: fffffbfff1cfa8a0 R12: ffff8880b8639798 [ 68.447340][ C0] R13: 0000000000000000 R14: 1ffff110170c72f3 R15: ffff8880b8639798 [ 68.455309][ C0] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 68.464330][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.470910][ C0] CR2: 000055d651c965d8 CR3: 000000003495a000 CR4: 00000000003526f0 [ 68.478880][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.486842][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.494803][ C0] Call Trace: [ 68.498074][ C0] [ 68.500912][ C0] ? __warn+0x168/0x4e0 [ 68.505065][ C0] ? invalidate_bh_lru+0x102/0x1b0 [ 68.510178][ C0] ? report_bug+0x2b3/0x500 [ 68.514687][ C0] ? invalidate_bh_lru+0x102/0x1b0 [ 68.519799][ C0] ? handle_bug+0x60/0x90 [ 68.524125][ C0] ? exc_invalid_op+0x1a/0x50 [ 68.528821][ C0] ? asm_exc_invalid_op+0x1a/0x20 [ 68.533868][ C0] ? __warn_printk+0x292/0x360 [ 68.538644][ C0] ? invalidate_bh_lru+0x102/0x1b0 [ 68.543768][ C0] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 68.549231][ C0] __flush_smp_call_function_queue+0x3fc/0x1690 [ 68.555473][ C0] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 68.560934][ C0] __sysvec_call_function_single+0xb8/0x430 [ 68.566823][ C0] sysvec_call_function_single+0x9e/0xc0 [ 68.572455][ C0] [ 68.575376][ C0] [ 68.578301][ C0] asm_sysvec_call_function_single+0x1a/0x20 [ 68.584276][ C0] RIP: 0010:acpi_safe_halt+0x21/0x30 [ 68.589559][ C0] Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 c0 d3 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d 05 da aa 00 f3 0f 1e fa fb f4 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 [ 68.609178][ C0] RSP: 0018:ffffffff8e607ca8 EFLAGS: 00000246 [ 68.615250][ C0] RAX: ffffffff8e6966c0 RBX: ffff8881416e7064 RCX: 0000000000015931 [ 68.623219][ C0] RDX: 0000000000000001 RSI: ffff8881416e7000 RDI: ffff8881416e7064 [ 68.631185][ C0] RBP: 000000000003a7b8 R08: ffff8880b8637cdb R09: 1ffff110170c6f9b [ 68.639150][ C0] R10: dffffc0000000000 R11: ffffffff8bbe9a50 R12: ffff88801ef95000 [ 68.647113][ C0] R13: 0000000000000001 R14: 0000000000000001 R15: ffffffff8f1198c0 [ 68.655082][ C0] ? __pfx_acpi_idle_enter+0x10/0x10 [ 68.660371][ C0] acpi_idle_enter+0xe4/0x140 [ 68.665125][ C0] cpuidle_enter_state+0x109/0x470 [ 68.670247][ C0] ? __pfx_menu_select+0x10/0x10 [ 68.675183][ C0] cpuidle_enter+0x5d/0xa0 [ 68.679600][ C0] do_idle+0x372/0x5c0 [ 68.683667][ C0] ? __pfx___schedule+0x10/0x10 [ 68.688513][ C0] ? __pfx_do_idle+0x10/0x10 [ 68.693116][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 68.699004][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 68.705358][ C0] ? rest_init+0x31/0x300 [ 68.709677][ C0] ? rest_init+0x31/0x300 [ 68.713996][ C0] cpu_startup_entry+0x42/0x60 [ 68.718785][ C0] rest_init+0x2dc/0x300 [ 68.723043][ C0] ? __pfx_x86_late_time_init+0x10/0x10 [ 68.728602][ C0] start_kernel+0x47f/0x500 [ 68.733111][ C0] x86_64_start_reservations+0x2a/0x30 [ 68.738568][ C0] x86_64_start_kernel+0x9f/0xa0 [ 68.743498][ C0] common_startup_64+0x13e/0x147 [ 68.748444][ C0] [ 68.751457][ C0] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 68.758727][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.12.0-syzkaller-08446-g228a1157fb9f #0 [ 68.768694][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 68.778739][ C0] Call Trace: [ 68.782013][ C0] [ 68.784847][ C0] dump_stack_lvl+0x241/0x360 [ 68.789524][ C0] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.794721][ C0] ? __pfx__printk+0x10/0x10 [ 68.799304][ C0] ? _printk+0xd5/0x120 [ 68.803458][ C0] ? __init_begin+0x41000/0x41000 [ 68.808480][ C0] ? vscnprintf+0x5d/0x90 [ 68.812801][ C0] panic+0x349/0x880 [ 68.816697][ C0] ? __warn+0x177/0x4e0 [ 68.820844][ C0] ? __pfx_panic+0x10/0x10 [ 68.825267][ C0] ? show_trace_log_lvl+0x3b2/0x410 [ 68.830464][ C0] ? common_startup_64+0x13e/0x147 [ 68.835572][ C0] __warn+0x34b/0x4e0 [ 68.839550][ C0] ? invalidate_bh_lru+0x102/0x1b0 [ 68.844662][ C0] report_bug+0x2b3/0x500 [ 68.848991][ C0] ? invalidate_bh_lru+0x102/0x1b0 [ 68.854101][ C0] handle_bug+0x60/0x90 [ 68.858258][ C0] exc_invalid_op+0x1a/0x50 [ 68.862763][ C0] asm_exc_invalid_op+0x1a/0x20 [ 68.867609][ C0] RIP: 0010:invalidate_bh_lru+0x102/0x1b0 [ 68.873332][ C0] Code: 14 c0 da ff f0 ff 0b eb 25 e8 9a 28 73 ff 41 80 3c 2e 00 75 2a eb 30 e8 8c 28 73 ff 90 48 c7 c7 e0 a3 19 8c e8 6f d6 33 ff 90 <0f> 0b 90 90 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c [ 68.893186][ C0] RSP: 0018:ffffc90000007f30 EFLAGS: 00010046 [ 68.899251][ C0] RAX: 53646c566f61b500 RBX: ffff888077cd5b40 RCX: ffffffff8e6966c0 [ 68.907215][ C0] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000 [ 68.915179][ C0] RBP: 0000000000000000 R08: ffffffff8155fd62 R09: fffffbfff1cfa8a0 [ 68.923139][ C0] R10: dffffc0000000000 R11: fffffbfff1cfa8a0 R12: ffff8880b8639798 [ 68.931102][ C0] R13: 0000000000000000 R14: 1ffff110170c72f3 R15: ffff8880b8639798 [ 68.939072][ C0] ? __warn_printk+0x292/0x360 [ 68.943837][ C0] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 68.949410][ C0] __flush_smp_call_function_queue+0x3fc/0x1690 [ 68.955648][ C0] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 68.961127][ C0] __sysvec_call_function_single+0xb8/0x430 [ 68.967016][ C0] sysvec_call_function_single+0x9e/0xc0 [ 68.972648][ C0] [ 68.975570][ C0] [ 68.978493][ C0] asm_sysvec_call_function_single+0x1a/0x20 [ 68.984473][ C0] RIP: 0010:acpi_safe_halt+0x21/0x30 [ 68.989753][ C0] Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 c0 d3 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d 05 da aa 00 f3 0f 1e fa fb f4 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 [ 69.009352][ C0] RSP: 0018:ffffffff8e607ca8 EFLAGS: 00000246 [ 69.015417][ C0] RAX: ffffffff8e6966c0 RBX: ffff8881416e7064 RCX: 0000000000015931 [ 69.023390][ C0] RDX: 0000000000000001 RSI: ffff8881416e7000 RDI: ffff8881416e7064 [ 69.031358][ C0] RBP: 000000000003a7b8 R08: ffff8880b8637cdb R09: 1ffff110170c6f9b [ 69.039321][ C0] R10: dffffc0000000000 R11: ffffffff8bbe9a50 R12: ffff88801ef95000 [ 69.047893][ C0] R13: 0000000000000001 R14: 0000000000000001 R15: ffffffff8f1198c0 [ 69.055862][ C0] ? __pfx_acpi_idle_enter+0x10/0x10 [ 69.061157][ C0] acpi_idle_enter+0xe4/0x140 [ 69.065856][ C0] cpuidle_enter_state+0x109/0x470 [ 69.070964][ C0] ? __pfx_menu_select+0x10/0x10 [ 69.075897][ C0] cpuidle_enter+0x5d/0xa0 [ 69.080312][ C0] do_idle+0x372/0x5c0 [ 69.084374][ C0] ? __pfx___schedule+0x10/0x10 [ 69.089311][ C0] ? __pfx_do_idle+0x10/0x10 [ 69.093902][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 69.099790][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 69.106114][ C0] ? rest_init+0x31/0x300 [ 69.110436][ C0] ? rest_init+0x31/0x300 [ 69.114755][ C0] cpu_startup_entry+0x42/0x60 [ 69.119524][ C0] rest_init+0x2dc/0x300 [ 69.123758][ C0] ? __pfx_x86_late_time_init+0x10/0x10 [ 69.129300][ C0] start_kernel+0x47f/0x500 [ 69.133800][ C0] x86_64_start_reservations+0x2a/0x30 [ 69.139256][ C0] x86_64_start_kernel+0x9f/0xa0 [ 69.144186][ C0] common_startup_64+0x13e/0x147 [ 69.149128][ C0] [ 69.152404][ C0] Kernel Offset: disabled [ 69.156736][ C0] Rebooting in 86400 seconds..