./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1711623408 <...> Warning: Permanently added '10.128.0.57' (ED25519) to the list of known hosts. execve("./syz-executor1711623408", ["./syz-executor1711623408"], 0x7ffd5759ac20 /* 10 vars */) = 0 brk(NULL) = 0x555593f8a000 brk(0x555593f8ad00) = 0x555593f8ad00 arch_prctl(ARCH_SET_FS, 0x555593f8a380) = 0 set_tid_address(0x555593f8a650) = 5828 set_robust_list(0x555593f8a660, 24) = 0 rseq(0x555593f8aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1711623408", 4096) = 28 getrandom("\x05\x7c\x35\xc8\x07\xf5\x54\x88", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555593f8ad00 brk(0x555593fabd00) = 0x555593fabd00 brk(0x555593fac000) = 0x555593fac000 mprotect(0x7f73305e2000, 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 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7328000000 write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\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\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 munmap(0x7f7328000000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./file0", 0777) = 0 mount("/dev/loop0", "./file0", "ntfs3", MS_NOEXEC|MS_POSIXACL|MS_RELATIME, "") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) chdir("./file0") = 0 open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4 write(4, "\x50\x00\x00\x00\x24\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x29\x00\x00\x00\xff\xff\xff\xff\x00\x24\x00\x00\x95\x05\xff\x01\x01\x00\x00\x00\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 80) = 80 open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 5 [ 61.069829][ T5828] loop0: detected capacity change from 0 to 4096 [ 61.106286][ T5828] ntfs3(loop0): Different NTFS sector size (4096) and media sector size (512). open("./bus", O_RDONLY|O_SYNC) = 6 [ 61.148654][ T29] audit: type=1804 audit(1731230369.023:2): pid=5828 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor171" name="/root/file0/bus" dev="loop0" ino=33 res=1 errno=0 [ 61.162883][ T5828] ------------[ cut here ]------------ [ 61.174905][ T5828] kernel BUG at include/linux/highmem.h:275! [ 61.181259][ T5828] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 61.188210][ T5828] CPU: 0 UID: 0 PID: 5828 Comm: syz-executor171 Not tainted 6.12.0-rc6-syzkaller-00279-gde2f378f2b77 #0 [ 61.199301][ T5828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 61.209360][ T5828] RIP: 0010:zero_user_segments+0x28b/0x290 [ 61.215184][ T5828] Code: ff 01 e9 47 fe ff ff e8 23 37 a7 fe 89 ea be 00 10 00 00 48 c7 c7 b0 42 cf 8e e8 e0 bc ff 01 e9 d3 fe ff ff e8 06 37 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 [ 61.234894][ T5828] RSP: 0018:ffffc90003d873a0 EFLAGS: 00010293 [ 61.240949][ T5828] RAX: ffffffff82eda2fa RBX: ffffea0001ceb700 RCX: ffff88807b023c00 [ 61.248903][ T5828] RDX: 0000000000000000 RSI: 0000000000001050 RDI: 0000000000001000 [ 61.257226][ T5828] RBP: 0000000000001000 R08: ffffffff82eda135 R09: 1ffffd400039d6e0 [ 61.265189][ T5828] R10: dffffc0000000000 R11: fffff9400039d6e1 R12: 0000000000001050 [ 61.273164][ T5828] R13: 0000000000000000 R14: 1ffffd400039d6e0 R15: 0000000000001050 [ 61.281135][ T5828] FS: 0000555593f8a380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 61.290063][ T5828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.296645][ T5828] CR2: 00007fd477795ed8 CR3: 000000007f6a8000 CR4: 00000000003526f0 [ 61.304614][ T5828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.312577][ T5828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.320541][ T5828] Call Trace: [ 61.323824][ T5828] [ 61.326747][ T5828] ? __die_body+0x5f/0xb0 [ 61.331070][ T5828] ? die+0x9e/0xc0 [ 61.334778][ T5828] ? do_trap+0x15a/0x3a0 [ 61.339014][ T5828] ? zero_user_segments+0x28b/0x290 [ 61.344206][ T5828] ? do_error_trap+0x1dc/0x2c0 [ 61.348962][ T5828] ? zero_user_segments+0x28b/0x290 [ 61.354153][ T5828] ? __pfx_do_error_trap+0x10/0x10 [ 61.359255][ T5828] ? report_bug+0x3e8/0x500 [ 61.363765][ T5828] ? handle_invalid_op+0x34/0x40 [ 61.368699][ T5828] ? zero_user_segments+0x28b/0x290 [ 61.373889][ T5828] ? exc_invalid_op+0x38/0x50 [ 61.378577][ T5828] ? asm_exc_invalid_op+0x1a/0x20 [ 61.383597][ T5828] ? zero_user_segments+0xc5/0x290 [ 61.388701][ T5828] ? zero_user_segments+0x28a/0x290 [ 61.393890][ T5828] ? zero_user_segments+0x28b/0x290 [ 61.399082][ T5828] ntfs_extend_initialized_size+0x50b/0x950 [ 61.404972][ T5828] ? __pfx_ntfs_extend_initialized_size+0x10/0x10 [ 61.411380][ T5828] ? __mark_inode_dirty+0x3db/0xe90 [ 61.416573][ T5828] ? ntfs_set_size+0x184/0x200 [ 61.421340][ T5828] ntfs_extend+0x578/0xad0 [ 61.425803][ T5828] ? __pfx_ntfs_extend+0x10/0x10 [ 61.430740][ T5828] ? __pfx_generic_write_checks+0x10/0x10 [ 61.436453][ T5828] ? file_modified_flags+0x312/0x4d0 [ 61.441733][ T5828] ntfs_file_write_iter+0x403/0x7a0 [ 61.446930][ T5828] iter_file_splice_write+0xbfa/0x1510 [ 61.452389][ T5828] ? __pfx_iter_file_splice_write+0x10/0x10 [ 61.458275][ T5828] ? rcu_read_lock_any_held+0xb7/0x160 [ 61.463727][ T5828] ? __pfx_ntfs_file_splice_write+0x10/0x10 [ 61.469616][ T5828] direct_splice_actor+0x11b/0x220 [ 61.474724][ T5828] splice_direct_to_actor+0x586/0xc80 [ 61.480099][ T5828] ? __lock_acquire+0x1384/0x2050 [ 61.485120][ T5828] ? __pfx_direct_splice_actor+0x10/0x10 [ 61.490746][ T5828] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 61.496636][ T5828] do_splice_direct+0x289/0x3e0 [ 61.501481][ T5828] ? __pfx_do_splice_direct+0x10/0x10 [ 61.506842][ T5828] ? rcu_read_lock_any_held+0xb7/0x160 [ 61.512293][ T5828] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 61.518183][ T5828] vfs_copy_file_range+0xd1f/0x1510 [ 61.523377][ T5828] ? __pfx_vfs_copy_file_range+0x10/0x10 [ 61.528998][ T5828] ? __might_fault+0xc6/0x120 [ 61.533670][ T5828] __se_sys_copy_file_range+0x3f2/0x5d0 [ 61.539207][ T5828] ? __pfx___se_sys_copy_file_range+0x10/0x10 [ 61.545264][ T5828] ? __x64_sys_copy_file_range+0x21/0xf0 [ 61.550891][ T5828] do_syscall_64+0xf3/0x230 [ 61.555391][ T5828] ? clear_bhb_loop+0x35/0x90 [ 61.560061][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.565946][ T5828] RIP: 0033:0x7f7330550789 [ 61.570366][ T5828] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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 [ 61.589965][ T5828] RSP: 002b:00007ffdfe2a59a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000146 [ 61.598371][ T5828] RAX: ffffffffffffffda RBX: 0000000000000073 RCX: 00007f7330550789 [ 61.606336][ T5828] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000006 [ 61.614332][ T5828] RBP: 00007f73305e2610 R08: 0000000000003df1 R09: 0000000000000000 [ 61.622294][ T5828] R10: 0000000020000200 R11: 0000000000000246 R12: 0000000000000001 [ 61.630259][ T5828] R13: 00007ffdfe2a5b78 R14: 0000000000000001 R15: 0000000000000001 [ 61.638227][ T5828] [ 61.641238][ T5828] Modules linked in: [ 61.645350][ T5828] ---[ end trace 0000000000000000 ]--- [ 61.650990][ T5828] RIP: 0010:zero_user_segments+0x28b/0x290 [ 61.656826][ T5828] Code: ff 01 e9 47 fe ff ff e8 23 37 a7 fe 89 ea be 00 10 00 00 48 c7 c7 b0 42 cf 8e e8 e0 bc ff 01 e9 d3 fe ff ff e8 06 37 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 [ 61.676488][ T5828] RSP: 0018:ffffc90003d873a0 EFLAGS: 00010293 [ 61.682608][ T5828] RAX: ffffffff82eda2fa RBX: ffffea0001ceb700 RCX: ffff88807b023c00 [ 61.690655][ T5828] RDX: 0000000000000000 RSI: 0000000000001050 RDI: 0000000000001000 [ 61.698631][ T5828] RBP: 0000000000001000 R08: ffffffff82eda135 R09: 1ffffd400039d6e0 [ 61.706642][ T5828] R10: dffffc0000000000 R11: fffff9400039d6e1 R12: 0000000000001050 [ 61.714679][ T5828] R13: 0000000000000000 R14: 1ffffd400039d6e0 R15: 0000000000001050 [ 61.722756][ T5828] FS: 0000555593f8a380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 61.731741][ T5828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.738659][ T5828] CR2: 000000000066c7e0 CR3: 000000007f6a8000 CR4: 00000000003526f0 [ 61.746714][ T5828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.754730][ T5828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.763006][ T5828] Kernel panic - not syncing: Fatal exception [ 61.769340][ T5828] Kernel Offset: disabled [ 61.773662][ T5828] Rebooting in 86400 seconds..