./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor972405373 <...> Warning: Permanently added '10.128.0.199' (ED25519) to the list of known hosts. execve("./syz-executor972405373", ["./syz-executor972405373"], 0x7ffec09085c0 /* 10 vars */) = 0 brk(NULL) = 0x55559001b000 brk(0x55559001bd00) = 0x55559001bd00 arch_prctl(ARCH_SET_FS, 0x55559001b380) = 0 set_tid_address(0x55559001b650) = 5224 set_robust_list(0x55559001b660, 24) = 0 rseq(0x55559001bca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor972405373", 4096) = 27 getrandom("\x2a\xf9\x9b\x4a\xd3\xa4\xe9\x01", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55559001bd00 brk(0x55559003cd00) = 0x55559003cd00 brk(0x55559003d000) = 0x55559003d000 mprotect(0x7fc76b873000, 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 5225 attached , child_tidptr=0x55559001b650) = 5225 [pid 5225] set_robust_list(0x55559001b660, 24) = 0 [pid 5225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5225] setpgid(0, 0) = 0 [pid 5225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5225] write(3, "1000", 4) = 4 [pid 5225] close(3) = 0 executing program [pid 5225] write(1, "executing program\n", 18) = 18 [pid 5225] memfd_create("syzkaller", 0) = 3 [pid 5225] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc763200000 [pid 5225] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x5c\xdb\x3c\x27\x8b\x67\x89\x70\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5225] munmap(0x7fc763200000, 138412032) = 0 [pid 5225] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5225] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5225] close(3) = 0 [pid 5225] close(4) = 0 [pid 5225] mkdir("./file0", 0777) = 0 [pid 5225] mount("/dev/loop0", "./file0", "ntfs3", MS_I_VERSION, "") = 0 [pid 5225] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5225] chdir("./file0") = 0 [pid 5225] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5225] openat(AT_FDCWD, "./file3", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 4 [ 83.819532][ T5225] loop0: detected capacity change from 0 to 4096 [ 83.843659][ T5225] ntfs3: loop0: Different NTFS sector size (1024) and media sector size (512). [ 83.883426][ T5225] ------------[ cut here ]------------ [ 83.889253][ T5225] kernel BUG at include/linux/highmem.h:275! [ 83.895387][ T5225] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 83.902354][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor972 Not tainted 6.11.0-syzkaller-02520-gadfc3ded5c33 #0 [ 83.913136][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 83.923219][ T5225] RIP: 0010:zero_user_segments+0x28b/0x290 [ 83.929053][ T5225] Code: fa 01 e9 47 fe ff ff e8 13 3f ab fe 89 ea be 00 10 00 00 48 c7 c7 50 83 ae 8e e8 60 f4 fa 01 e9 d3 fe ff ff e8 f6 3e ab fe 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 [ 83.948757][ T5225] RSP: 0018:ffffc900033df8a0 EFLAGS: 00010293 [ 83.954889][ T5225] RAX: ffffffff82e8675a RBX: ffffea0001da4d40 RCX: ffff88802f298000 [ 83.962890][ T5225] RDX: 0000000000000000 RSI: 0000000000001328 RDI: 0000000000001000 [ 83.970959][ T5225] RBP: 0000000000001000 R08: ffffffff82e86595 R09: 1ffffd40003b49a8 [ 83.978938][ T5225] R10: dffffc0000000000 R11: fffff940003b49a9 R12: 0000000000001328 [ 83.986923][ T5225] R13: 0000000000000000 R14: 1ffffd40003b49a8 R15: 0000000000001328 [ 83.994897][ T5225] FS: 000055559001b380(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 [ 84.003828][ T5225] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.010433][ T5225] CR2: 00007fc76b8770f8 CR3: 0000000075a40000 CR4: 00000000003506f0 [ 84.019114][ T5225] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.027089][ T5225] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.035059][ T5225] Call Trace: [ 84.038336][ T5225] [ 84.041268][ T5225] ? __die_body+0x88/0xe0 [ 84.045612][ T5225] ? die+0xcf/0x110 [ 84.049438][ T5225] ? do_trap+0x15a/0x3a0 [ 84.053686][ T5225] ? zero_user_segments+0x28b/0x290 [ 84.058895][ T5225] ? do_error_trap+0x1dc/0x2c0 [ 84.063667][ T5225] ? zero_user_segments+0x28b/0x290 [ 84.068873][ T5225] ? __pfx_do_error_trap+0x10/0x10 [ 84.073994][ T5225] ? handle_invalid_op+0x34/0x40 [ 84.078937][ T5225] ? zero_user_segments+0x28b/0x290 [ 84.084143][ T5225] ? exc_invalid_op+0x38/0x50 [ 84.088859][ T5225] ? asm_exc_invalid_op+0x1a/0x20 [ 84.093892][ T5225] ? zero_user_segments+0xc5/0x290 [ 84.099009][ T5225] ? zero_user_segments+0x28a/0x290 [ 84.104233][ T5225] ? zero_user_segments+0x28b/0x290 [ 84.109441][ T5225] ntfs_extend_initialized_size+0x50b/0x950 [ 84.115350][ T5225] ? __pfx_ntfs_extend_initialized_size+0x10/0x10 [ 84.121773][ T5225] ? __mark_inode_dirty+0x3db/0xe90 [ 84.126977][ T5225] ? ntfs_set_size+0x184/0x200 [ 84.131752][ T5225] ntfs_extend+0x3fe/0x480 [ 84.136176][ T5225] ntfs_file_write_iter+0x3ce/0x740 [ 84.141381][ T5225] do_iter_readv_writev+0x608/0x890 [ 84.146595][ T5225] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 84.152346][ T5225] ? rcu_read_lock_any_held+0xb7/0x160 [ 84.157849][ T5225] vfs_writev+0x376/0xba0 [ 84.162193][ T5225] ? __pfx_vfs_writev+0x10/0x10 [ 84.167064][ T5225] ? _raw_spin_unlock_irq+0x2e/0x50 [ 84.172272][ T5225] ? ptrace_notify+0x279/0x380 [ 84.177068][ T5225] __se_sys_pwritev2+0x1ca/0x2d0 [ 84.182031][ T5225] ? __pfx___se_sys_pwritev2+0x10/0x10 [ 84.187494][ T5225] ? exc_page_fault+0x590/0x8c0 [ 84.192350][ T5225] ? __x64_sys_pwritev2+0x21/0xf0 [ 84.197377][ T5225] do_syscall_64+0xf3/0x230 [ 84.201895][ T5225] ? clear_bhb_loop+0x35/0x90 [ 84.206585][ T5225] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.212501][ T5225] RIP: 0033:0x7fc76b7e0ad9 [ 84.216936][ T5225] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 b8 ff ff ff f7 d8 64 89 01 48 [ 84.236554][ T5225] RSP: 002b:00007ffeb09041c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 84.244976][ T5225] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc76b7e0ad9 [ 84.253041][ T5225] RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000004 [ 84.261015][ T5225] RBP: 00007fc76b8735f0 R08: 0000000000000000 R09: 0000000000000000 [ 84.268995][ T5225] R10: 0000000000005405 R11: 0000000000000246 R12: 00007ffeb0904200 [ 84.276993][ T5225] R13: 00007ffeb0904428 R14: 431bde82d7b634db R15: 00007fc76b82903b [ 84.284981][ T5225] [ 84.288008][ T5225] Modules linked in: [ 84.292623][ T5225] ---[ end trace 0000000000000000 ]--- [ 84.298192][ T5225] RIP: 0010:zero_user_segments+0x28b/0x290 [ 84.304031][ T5225] Code: fa 01 e9 47 fe ff ff e8 13 3f ab fe 89 ea be 00 10 00 00 48 c7 c7 50 83 ae 8e e8 60 f4 fa 01 e9 d3 fe ff ff e8 f6 3e ab fe 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 [ 84.323722][ T5225] RSP: 0018:ffffc900033df8a0 EFLAGS: 00010293 [ 84.329849][ T5225] RAX: ffffffff82e8675a RBX: ffffea0001da4d40 RCX: ffff88802f298000 [ 84.337873][ T5225] RDX: 0000000000000000 RSI: 0000000000001328 RDI: 0000000000001000 [ 84.345883][ T5225] RBP: 0000000000001000 R08: ffffffff82e86595 R09: 1ffffd40003b49a8 [ 84.353860][ T5225] R10: dffffc0000000000 R11: fffff940003b49a9 R12: 0000000000001328 [ 84.361885][ T5225] R13: 0000000000000000 R14: 1ffffd40003b49a8 R15: 0000000000001328 [ 84.370063][ T5225] FS: 000055559001b380(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 [ 84.379062][ T5225] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.385685][ T5225] CR2: 00007fc76b8770f8 CR3: 0000000075a40000 CR4: 00000000003506f0 [ 84.393665][ T5225] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.401870][ T5225] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.409905][ T5225] Kernel panic - not syncing: Fatal exception [ 84.416251][ T5225] Kernel Offset: disabled [ 84.420571][ T5225] Rebooting in 86400 seconds..