./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1300619671 <...> Warning: Permanently added '10.128.0.69' (ED25519) to the list of known hosts. execve("./syz-executor1300619671", ["./syz-executor1300619671"], 0x7fffeef33a70 /* 10 vars */) = 0 brk(NULL) = 0x555572aa0000 brk(0x555572aa0d00) = 0x555572aa0d00 arch_prctl(ARCH_SET_FS, 0x555572aa0380) = 0 set_tid_address(0x555572aa0650) = 5227 set_robust_list(0x555572aa0660, 24) = 0 rseq(0x555572aa0ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1300619671", 4096) = 28 getrandom("\xd5\xf1\x8e\x84\x07\x6f\x24\x08", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555572aa0d00 brk(0x555572ac1d00) = 0x555572ac1d00 brk(0x555572ac2000) = 0x555572ac2000 mprotect(0x7febeca50000, 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 5229 attached [pid 5229] set_robust_list(0x555572aa0660, 24 [pid 5227] <... clone resumed>, child_tidptr=0x555572aa0650) = 5229 [pid 5229] <... set_robust_list resumed>) = 0 [pid 5229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5229] setpgid(0, 0) = 0 [pid 5229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5229] write(3, "1000", 4) = 4 [pid 5229] close(3) = 0 [pid 5229] write(1, "executing program\n", 18executing program ) = 18 [pid 5229] memfd_create("syzkaller", 0) = 3 [pid 5229] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7febe4400000 [pid 5229] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x20\x21\x6f\x11\xa9\xe0\x6c\x4c\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5229] munmap(0x7febe4400000, 138412032) = 0 [pid 5229] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5229] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5229] close(3) = 0 [pid 5229] close(4) = 0 [pid 5229] mkdir("./file1", 0777) = 0 [ 53.872086][ T5229] loop0: detected capacity change from 0 to 4096 [ 53.906201][ T5229] ntfs3: loop0: Different NTFS sector size (2048) and media sector size (512). [pid 5229] mount("/dev/loop0", "./file1", "ntfs3", MS_SYNCHRONOUS, "gid=0x000000000000ee01,showmeta,sparse,umask=00000000000000000000011,iocharset=macromanian,") = 0 [pid 5229] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5229] chdir("./file1") = 0 [pid 5229] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5229] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 4 [pid 5229] creat("./bus", 000) = 5 [pid 5229] pwrite64(5, "+", 1, 0) = 1 [pid 5229] open("./bus", O_RDONLY) = 6 [ 53.931190][ T5229] ntfs3: loop0: Failed to initialize $Extend/$ObjId. [ 53.971670][ T29] audit: type=1804 audit(1723481442.576:2): pid=5229 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=open_writers comm="syz-executor130" name="/root/file1/bus" dev="loop0" ino=33 res=1 errno=0 [ 53.983879][ T5229] ------------[ cut here ]------------ [ 53.998684][ T5229] kernel BUG at include/linux/highmem.h:275! [ 54.004856][ T5229] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 54.011811][ T5229] CPU: 0 UID: 0 PID: 5229 Comm: syz-executor130 Not tainted 6.11.0-rc3-next-20240812-syzkaller #0 [ 54.022474][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 54.032627][ T5229] RIP: 0010:zero_user_segments+0x28b/0x290 [ 54.038445][ T5229] Code: 02 02 e9 47 fe ff ff e8 23 30 a8 fe 89 ea be 00 10 00 00 48 c7 c7 30 86 ce 8e e8 e0 7b 02 02 e9 d3 fe ff ff e8 06 30 a8 fe 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 [ 54.058089][ T5229] RSP: 0018:ffffc90003a574a0 EFLAGS: 00010293 [ 54.064162][ T5229] RAX: ffffffff82eb5e4a RBX: ffffea0001d39440 RCX: ffff888029bd5a00 [ 54.072226][ T5229] RDX: 0000000000000000 RSI: 0000000000001001 RDI: 0000000000001000 [ 54.080207][ T5229] RBP: 0000000000001000 R08: ffffffff82eb5c85 R09: 1ffffd40003a7288 [ 54.088169][ T5229] R10: dffffc0000000000 R11: fffff940003a7289 R12: 0000000000001001 [ 54.096924][ T5229] R13: 0000000000000000 R14: 1ffffd40003a7288 R15: 0000000000001001 [ 54.105016][ T5229] FS: 0000555572aa0380(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 54.113997][ T5229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.120572][ T5229] CR2: 00007febeca54100 CR3: 0000000077864000 CR4: 00000000003506f0 [ 54.128542][ T5229] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.136517][ T5229] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.144597][ T5229] Call Trace: [ 54.147870][ T5229] [ 54.150797][ T5229] ? __die_body+0x5f/0xb0 [ 54.155111][ T5229] ? die+0x9e/0xc0 [ 54.158838][ T5229] ? do_trap+0x15a/0x3a0 [ 54.164230][ T5229] ? zero_user_segments+0x28b/0x290 [ 54.169421][ T5229] ? do_error_trap+0x1dc/0x2c0 [ 54.174173][ T5229] ? zero_user_segments+0x28b/0x290 [ 54.179363][ T5229] ? __pfx_do_error_trap+0x10/0x10 [ 54.184462][ T5229] ? report_bug+0x3e8/0x500 [ 54.188968][ T5229] ? handle_invalid_op+0x34/0x40 [ 54.193905][ T5229] ? zero_user_segments+0x28b/0x290 [ 54.199110][ T5229] ? exc_invalid_op+0x38/0x50 [ 54.203783][ T5229] ? asm_exc_invalid_op+0x1a/0x20 [ 54.208795][ T5229] ? zero_user_segments+0xc5/0x290 [ 54.213890][ T5229] ? zero_user_segments+0x28a/0x290 [ 54.219111][ T5229] ? zero_user_segments+0x28b/0x290 [ 54.224299][ T5229] ntfs_extend_initialized_size+0x50b/0x950 [ 54.230189][ T5229] ? __pfx_ntfs_extend_initialized_size+0x10/0x10 [ 54.236589][ T5229] ? __mark_inode_dirty+0x41c/0xe20 [ 54.241774][ T5229] ? ntfs_set_size+0x184/0x200 [ 54.246532][ T5229] ntfs_extend+0x3fe/0x480 [ 54.250938][ T5229] ntfs_file_write_iter+0x3d1/0x740 [ 54.256216][ T5229] iter_file_splice_write+0xbd7/0x14e0 [ 54.261687][ T5229] ? __pfx_iter_file_splice_write+0x10/0x10 [ 54.267673][ T5229] ? rcu_read_lock_any_held+0xb7/0x160 [ 54.273125][ T5229] ? __pfx_iter_file_splice_write+0x10/0x10 [ 54.279020][ T5229] direct_splice_actor+0x11e/0x220 [ 54.284154][ T5229] splice_direct_to_actor+0x58e/0xc90 [ 54.289550][ T5229] ? __lock_acquire+0x137a/0x2040 [ 54.295238][ T5229] ? __pfx_direct_splice_actor+0x10/0x10 [ 54.300882][ T5229] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 54.306776][ T5229] do_splice_direct+0x28c/0x3e0 [ 54.311760][ T5229] ? __pfx_do_splice_direct+0x10/0x10 [ 54.317195][ T5229] ? rcu_read_lock_any_held+0xb7/0x160 [ 54.322641][ T5229] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 54.328529][ T5229] vfs_copy_file_range+0xd37/0x1530 [ 54.333722][ T5229] ? __pfx_vfs_copy_file_range+0x10/0x10 [ 54.339344][ T5229] ? __might_fault+0xc6/0x120 [ 54.344101][ T5229] __se_sys_copy_file_range+0x3f2/0x5d0 [ 54.349644][ T5229] ? __pfx___se_sys_copy_file_range+0x10/0x10 [ 54.355705][ T5229] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 54.362024][ T5229] ? do_syscall_64+0x100/0x230 [ 54.366779][ T5229] ? __x64_sys_copy_file_range+0x21/0xf0 [ 54.372402][ T5229] do_syscall_64+0xf3/0x230 [ 54.376894][ T5229] ? clear_bhb_loop+0x35/0x90 [ 54.381573][ T5229] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.387663][ T5229] RIP: 0033:0x7febec9bcdd9 [ 54.392097][ T5229] 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 [ 54.411833][ T5229] RSP: 002b:00007ffef5b189d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000146 [ 54.420240][ T5229] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007febec9bcdd9 [ 54.428205][ T5229] RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000006 [ 54.436423][ T5229] RBP: 00007febeca505f0 R08: 0000000000000006 R09: 0000000000000000 [ 54.444382][ T5229] R10: 00000000200000c0 R11: 0000000000000246 R12: 00007ffef5b18a10 [ 54.452354][ T5229] R13: 00007ffef5b18c38 R14: 431bde82d7b634db R15: 00007febeca0603b [ 54.460772][ T5229] [ 54.463788][ T5229] Modules linked in: [ 54.467875][ T5229] ---[ end trace 0000000000000000 ]--- [ 54.473470][ T5229] RIP: 0010:zero_user_segments+0x28b/0x290 [ 54.479303][ T5229] Code: 02 02 e9 47 fe ff ff e8 23 30 a8 fe 89 ea be 00 10 00 00 48 c7 c7 30 86 ce 8e e8 e0 7b 02 02 e9 d3 fe ff ff e8 06 30 a8 fe 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 [ 54.498942][ T5229] RSP: 0018:ffffc90003a574a0 EFLAGS: 00010293 [ 54.505029][ T5229] RAX: ffffffff82eb5e4a RBX: ffffea0001d39440 RCX: ffff888029bd5a00 [ 54.513036][ T5229] RDX: 0000000000000000 RSI: 0000000000001001 RDI: 0000000000001000 [ 54.521110][ T5229] RBP: 0000000000001000 R08: ffffffff82eb5c85 R09: 1ffffd40003a7288 [ 54.529388][ T5229] R10: dffffc0000000000 R11: fffff940003a7289 R12: 0000000000001001 [ 54.537389][ T5229] R13: 0000000000000000 R14: 1ffffd40003a7288 R15: 0000000000001001 [ 54.545386][ T5229] FS: 0000555572aa0380(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 54.554434][ T5229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.561098][ T5229] CR2: 00007febeca54100 CR3: 0000000077864000 CR4: 00000000003506f0 [ 54.569179][ T5229] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.577191][ T5229] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.585220][ T5229] Kernel panic - not syncing: Fatal exception [ 54.591507][ T5229] Kernel Offset: disabled [ 54.595823][ T5229] Rebooting in 86400 seconds..