./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2008297992 <...> Warning: Permanently added '10.128.0.50' (ED25519) to the list of known hosts. execve("./syz-executor2008297992", ["./syz-executor2008297992"], 0x7ffcb7d76980 /* 10 vars */) = 0 brk(NULL) = 0x55558810a000 brk(0x55558810ad00) = 0x55558810ad00 arch_prctl(ARCH_SET_FS, 0x55558810a380) = 0 set_tid_address(0x55558810a650) = 5225 set_robust_list(0x55558810a660, 24) = 0 rseq(0x55558810aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2008297992", 4096) = 28 getrandom("\xcd\xff\xe2\x84\x22\xa0\x26\xfc", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558810ad00 brk(0x55558812bd00) = 0x55558812bd00 brk(0x55558812c000) = 0x55558812c000 mprotect(0x7effb8fb0000, 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 5226 attached , child_tidptr=0x55558810a650) = 5226 [pid 5226] set_robust_list(0x55558810a660, 24) = 0 [pid 5226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5226] setpgid(0, 0) = 0 [pid 5226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5226] write(3, "1000", 4) = 4 [pid 5226] close(3executing program ) = 0 [pid 5226] write(1, "executing program\n", 18) = 18 [pid 5226] memfd_create("syzkaller", 0) = 3 [pid 5226] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7effb0a00000 [pid 5226] 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\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5226] munmap(0x7effb0a00000, 138412032) = 0 [pid 5226] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5226] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5226] close(3) = 0 [pid 5226] close(4) = 0 [pid 5226] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777) = 0 [pid 5226] mount("/dev/loop0", "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", "ntfs3", MS_NODEV|MS_I_VERSION, "\x3d\xff\xff\xff\xff\xff\xff\xff\xff\x2c\x73\x70\x61\x72\x73\x65\x2c\x61\x63\x6c\x2c\x73\x70\x61\x72\x73\x65\x2c\x69\x6f\x63\x68\x61\x72\x73\x65\x74\x3d\x63\x70\x37\x33\x37\x2c\x66\x6d\x61\x73\x6b\x3d\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x31\x2c") = 0 [pid 5226] openat(AT_FDCWD, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", O_RDONLY|O_DIRECTORY) = 3 [pid 5226] chdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f") = 0 [pid 5226] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5226] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000) = 4 [ 64.902526][ T5226] loop0: detected capacity change from 0 to 4096 [ 64.940892][ T5226] ntfs3: loop0: Different NTFS sector size (1024) and media sector size (512). [ 64.984423][ T5226] ------------[ cut here ]------------ [ 64.990753][ T5226] kernel BUG at include/linux/highmem.h:275! [ 64.996871][ T5226] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 65.003839][ T5226] CPU: 0 UID: 0 PID: 5226 Comm: syz-executor200 Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 [ 65.014946][ T5226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 65.025015][ T5226] RIP: 0010:zero_user_segments+0x28b/0x290 [ 65.030859][ T5226] Code: fe 01 e9 47 fe ff ff e8 83 6f a7 fe 89 ea be 00 10 00 00 48 c7 c7 30 39 cf 8e e8 40 68 fe 01 e9 d3 fe ff ff e8 66 6f a7 fe 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 [ 65.050561][ T5226] RSP: 0018:ffffc90003c77a80 EFLAGS: 00010293 [ 65.056633][ T5226] RAX: ffffffff82ed6bfa RBX: ffffea0001e2f6c0 RCX: ffff88802df50000 [ 65.064610][ T5226] RDX: 0000000000000000 RSI: 000000000000100a RDI: 0000000000001000 [ 65.072583][ T5226] RBP: 0000000000001000 R08: ffffffff82ed6a35 R09: 1ffffd40003c5ed8 [ 65.080648][ T5226] R10: dffffc0000000000 R11: fffff940003c5ed9 R12: 000000000000100a [ 65.088622][ T5226] R13: 0000000000000000 R14: 1ffffd40003c5ed8 R15: 000000000000100a [ 65.096596][ T5226] FS: 000055558810a380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 65.105617][ T5226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.112202][ T5226] CR2: 00007effb8fb40f8 CR3: 000000002dfb0000 CR4: 00000000003526f0 [ 65.120217][ T5226] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.128193][ T5226] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.136192][ T5226] Call Trace: [ 65.139477][ T5226] [ 65.142411][ T5226] ? __die_body+0x5f/0xb0 [ 65.146767][ T5226] ? die+0x9e/0xc0 [ 65.150493][ T5226] ? do_trap+0x15a/0x3a0 [ 65.154744][ T5226] ? zero_user_segments+0x28b/0x290 [ 65.159950][ T5226] ? do_error_trap+0x1dc/0x2c0 [ 65.164726][ T5226] ? zero_user_segments+0x28b/0x290 [ 65.169935][ T5226] ? __pfx_do_error_trap+0x10/0x10 [ 65.175055][ T5226] ? report_bug+0x3e8/0x500 [ 65.179580][ T5226] ? handle_invalid_op+0x34/0x40 [ 65.184527][ T5226] ? zero_user_segments+0x28b/0x290 [ 65.189731][ T5226] ? exc_invalid_op+0x38/0x50 [ 65.194414][ T5226] ? asm_exc_invalid_op+0x1a/0x20 [ 65.199450][ T5226] ? zero_user_segments+0xc5/0x290 [ 65.204592][ T5226] ? zero_user_segments+0x28a/0x290 [ 65.209796][ T5226] ? zero_user_segments+0x28b/0x290 [ 65.215009][ T5226] ntfs_extend_initialized_size+0x50b/0x950 [ 65.220917][ T5226] ? __pfx_ntfs_extend_initialized_size+0x10/0x10 [ 65.227342][ T5226] ? __mark_inode_dirty+0x3db/0xe90 [ 65.232574][ T5226] ? ntfs_set_size+0x184/0x200 [ 65.237348][ T5226] ntfs_extend+0x3fe/0x480 [ 65.241772][ T5226] ntfs_file_write_iter+0x3ce/0x740 [ 65.246982][ T5226] vfs_write+0xa6d/0xc90 [ 65.251234][ T5226] ? __pfx_ntfs_file_write_iter+0x10/0x10 [ 65.256960][ T5226] ? __pfx_vfs_write+0x10/0x10 [ 65.261736][ T5226] ? _raw_spin_unlock_irq+0x2e/0x50 [ 65.266949][ T5226] ? ptrace_notify+0x279/0x380 [ 65.271727][ T5226] __x64_sys_pwrite64+0x1aa/0x230 [ 65.276939][ T5226] ? __pfx___x64_sys_pwrite64+0x10/0x10 [ 65.282494][ T5226] ? exc_page_fault+0x590/0x8c0 [ 65.287359][ T5226] do_syscall_64+0xf3/0x230 [ 65.291869][ T5226] ? clear_bhb_loop+0x35/0x90 [ 65.296555][ T5226] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.302481][ T5226] RIP: 0033:0x7effb8f1dad9 [ 65.306909][ T5226] 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 [ 65.326516][ T5226] RSP: 002b:00007ffe7bace238 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 65.334933][ T5226] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007effb8f1dad9 [ 65.342910][ T5226] RDX: 0000000000000001 RSI: 0000000020000540 RDI: 0000000000000004 [ 65.350883][ T5226] RBP: 00007effb8fb05f0 R08: 000055558810b4c0 R09: 000055558810b4c0 [ 65.358859][ T5226] R10: 000000000000fecf R11: 0000000000000246 R12: 00007ffe7bace260 [ 65.366832][ T5226] R13: 00007ffe7bace488 R14: 431bde82d7b634db R15: 00007effb8f6603b [ 65.374833][ T5226] [ 65.377950][ T5226] Modules linked in: [ 65.382264][ T5226] ---[ end trace 0000000000000000 ]--- [ 65.387931][ T5226] RIP: 0010:zero_user_segments+0x28b/0x290 [ 65.393886][ T5226] Code: fe 01 e9 47 fe ff ff e8 83 6f a7 fe 89 ea be 00 10 00 00 48 c7 c7 30 39 cf 8e e8 40 68 fe 01 e9 d3 fe ff ff e8 66 6f a7 fe 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 [ 65.413577][ T5226] RSP: 0018:ffffc90003c77a80 EFLAGS: 00010293 [ 65.419688][ T5226] RAX: ffffffff82ed6bfa RBX: ffffea0001e2f6c0 RCX: ffff88802df50000 [ 65.427733][ T5226] RDX: 0000000000000000 RSI: 000000000000100a RDI: 0000000000001000 [ 65.435773][ T5226] RBP: 0000000000001000 R08: ffffffff82ed6a35 R09: 1ffffd40003c5ed8 [ 65.443751][ T5226] R10: dffffc0000000000 R11: fffff940003c5ed9 R12: 000000000000100a [ 65.451840][ T5226] R13: 0000000000000000 R14: 1ffffd40003c5ed8 R15: 000000000000100a [ 65.459941][ T5226] FS: 000055558810a380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 65.468923][ T5226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.475675][ T5226] CR2: 00007effb8fb40f8 CR3: 000000002dfb0000 CR4: 00000000003526f0 [ 65.483673][ T5226] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.491726][ T5226] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.499927][ T5226] Kernel panic - not syncing: Fatal exception [ 65.506341][ T5226] Kernel Offset: disabled [ 65.510670][ T5226] Rebooting in 86400 seconds..