./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor77146346
<...>
Warning: Permanently added '10.128.0.126' (ED25519) to the list of known hosts.
execve("./syz-executor77146346", ["./syz-executor77146346"], 0x7ffebbf26fa0 /* 10 vars */) = 0
brk(NULL) = 0x55558c30b000
brk(0x55558c30bd00) = 0x55558c30bd00
arch_prctl(ARCH_SET_FS, 0x55558c30b380) = 0
set_tid_address(0x55558c30b650) = 5827
set_robust_list(0x55558c30b660, 24) = 0
rseq(0x55558c30bca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor77146346", 4096) = 26
getrandom("\x88\x22\x05\xd1\x15\x8e\x1d\x6f", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55558c30bd00
brk(0x55558c32cd00) = 0x55558c32cd00
brk(0x55558c32d000) = 0x55558c32d000
mprotect(0x7f8560662000, 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 5828 attached
<unfinished ...>
[pid 5828] set_robust_list(0x55558c30b660, 24 <unfinished ...>
[pid 5827] <... clone resumed>, child_tidptr=0x55558c30b650) = 5828
[pid 5828] <... set_robust_list resumed>) = 0
[pid 5828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5828] setpgid(0, 0) = 0
[pid 5828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5828] write(3, "1000", 4) = 4
[pid 5828] close(3) = 0
[pid 5828] write(1, "executing program\n", 18executing program
) = 18
[pid 5828] memfd_create("syzkaller", 0) = 3
[pid 5828] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8558000000
[pid 5828] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid 5828] munmap(0x7f8558000000, 138412032) = 0
[pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5828] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5828] close(3) = 0
[pid 5828] close(4) = 0
[pid 5828] 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
[ 69.062864][ T5828] loop0: detected capacity change from 0 to 4096
[pid 5828] 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_NOEXEC, "sparse,fmask=00000000000000000000011,acl,iocharset=iso8859-6,showmeta,prealloc,sparse,dmask=00000000"...) = 0
[pid 5828] 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 5828] 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 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5828] mknod("./file1", 000) = 0
[pid 5828] openat(AT_FDCWD, "./file1", O_RDWR|O_EXCL|O_NONBLOCK|O_DIRECT) = 4
[pid 5828] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 5
[pid 5828] pwritev2(5, [{iov_base="\x00", iov_len=1}], 1, 7, 0) = 1
[ 69.141725][ T29] audit: type=1800 audit(1731898922.292:2): pid=5828 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor771" name="file1" dev="loop0" ino=33 res=0 errno=0
[ 69.169698][ T5828] ------------[ cut here ]------------
[ 69.175297][ T5828] kernel BUG at include/linux/highmem.h:275!
[ 69.181377][ T5828] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
[ 69.188328][ T5828] CPU: 0 UID: 0 PID: 5828 Comm: syz-executor771 Not tainted 6.12.0-syzkaller #0
[ 69.197337][ T5828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
[ 69.207381][ T5828] RIP: 0010:zero_user_segments+0x28b/0x290
[ 69.213219][ T5828] Code: ff 01 e9 47 fe ff ff e8 13 16 a7 fe 89 ea be 00 10 00 00 48 c7 c7 70 44 cf 8e e8 a0 e0 ff 01 e9 d3 fe ff ff e8 f6 15 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
[ 69.232826][ T5828] RSP: 0018:ffffc9000384f9a0 EFLAGS: 00010293
[ 69.238884][ T5828] RAX: ffffffff82edd3ba RBX: ffffea0000489500 RCX: ffff88807bda0000
[ 69.246844][ T5828] RDX: 0000000000000000 RSI: 0000000000001008 RDI: 0000000000001000
[ 69.254806][ T5828] RBP: 0000000000001000 R08: ffffffff82edd1f5 R09: 1ffffd40000912a0
[ 69.262770][ T5828] R10: dffffc0000000000 R11: fffff940000912a1 R12: 0000000000001008
[ 69.270733][ T5828] R13: 0000000000000000 R14: 1ffffd40000912a0 R15: 0000000000001008
[ 69.278701][ T5828] FS: 000055558c30b380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 69.287626][ T5828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 69.294210][ T5828] CR2: 00007f8560666100 CR3: 0000000034cf2000 CR4: 00000000003526f0
[ 69.302207][ T5828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 69.310174][ T5828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 69.318144][ T5828] Call Trace:
[ 69.321417][ T5828] <TASK>
[ 69.324347][ T5828] ? __die_body+0x5f/0xb0
[ 69.328676][ T5828] ? die+0x9e/0xc0
[ 69.332392][ T5828] ? do_trap+0x15a/0x3a0
[ 69.336640][ T5828] ? zero_user_segments+0x28b/0x290
[ 69.341836][ T5828] ? do_error_trap+0x1dc/0x2c0
[ 69.346597][ T5828] ? zero_user_segments+0x28b/0x290
[ 69.351796][ T5828] ? __pfx_do_error_trap+0x10/0x10
[ 69.356906][ T5828] ? report_bug+0x3e8/0x500
[ 69.361415][ T5828] ? handle_invalid_op+0x34/0x40
[ 69.366351][ T5828] ? zero_user_segments+0x28b/0x290
[ 69.371562][ T5828] ? exc_invalid_op+0x38/0x50
[ 69.376241][ T5828] ? asm_exc_invalid_op+0x1a/0x20
[ 69.381275][ T5828] ? zero_user_segments+0xc5/0x290
[ 69.386382][ T5828] ? zero_user_segments+0x28a/0x290
[ 69.391579][ T5828] ? zero_user_segments+0x28b/0x290
[ 69.396793][ T5828] ntfs_extend_initialized_size+0x50b/0x950
[ 69.402692][ T5828] ? __pfx_ntfs_extend_initialized_size+0x10/0x10
[ 69.409108][ T5828] ? __mark_inode_dirty+0x3db/0xe90
[ 69.414324][ T5828] ? ntfs_set_size+0x184/0x200
[ 69.419111][ T5828] ntfs_extend+0x578/0xad0
[ 69.423524][ T5828] ? __pfx_ntfs_extend+0x10/0x10
[ 69.428454][ T5828] ? __mark_inode_dirty+0x3db/0xe90
[ 69.433655][ T5828] ? mnt_put_write_access_file+0xbf/0x100
[ 69.439407][ T5828] ? file_modified_flags+0x437/0x4d0
[ 69.444692][ T5828] ntfs_file_write_iter+0x403/0x7a0
[ 69.449910][ T5828] vfs_write+0xaeb/0xd30
[ 69.454157][ T5828] ? __pfx_ntfs_file_write_iter+0x10/0x10
[ 69.459874][ T5828] ? __pfx_vfs_write+0x10/0x10
[ 69.464639][ T5828] ? _raw_spin_unlock_irq+0x2e/0x50
[ 69.469831][ T5828] ? ptrace_notify+0x279/0x380
[ 69.474594][ T5828] __x64_sys_pwrite64+0x1aa/0x230
[ 69.479616][ T5828] ? __pfx___x64_sys_pwrite64+0x10/0x10
[ 69.485160][ T5828] ? do_syscall_64+0x100/0x230
[ 69.489926][ T5828] do_syscall_64+0xf3/0x230
[ 69.494434][ T5828] ? clear_bhb_loop+0x35/0x90
[ 69.499112][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 69.505001][ T5828] RIP: 0033:0x7f85605cedd9
[ 69.509415][ T5828] 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
[ 69.529012][ T5828] RSP: 002b:00007ffd402768f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
[ 69.537419][ T5828] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007f85605cedd9
[ 69.545388][ T5828] RDX: 0000000000000001 RSI: 0000000020003a80 RDI: 0000000000000004
[ 69.553351][ T5828] RBP: 00007f85606625f0 R08: 0000000000000000 R09: 0000000000000000
[ 69.561313][ T5828] R10: 0000000008000c61 R11: 0000000000000246 R12: 00007ffd40276930
[ 69.569276][ T5828] R13: 00007ffd40276b58 R14: 431bde82d7b634db R15: 00007f856061803b
[ 69.577246][ T5828] </TASK>
[ 69.580260][ T5828] Modules linked in:
[ 69.584274][ T5828] ---[ end trace 0000000000000000 ]---
[ 69.590245][ T5828] RIP: 0010:zero_user_segments+0x28b/0x290
[ 69.596138][ T5828] Code: ff 01 e9 47 fe ff ff e8 13 16 a7 fe 89 ea be 00 10 00 00 48 c7 c7 70 44 cf 8e e8 a0 e0 ff 01 e9 d3 fe ff ff e8 f6 15 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
[ 69.615804][ T5828] RSP: 0018:ffffc9000384f9a0 EFLAGS: 00010293
[ 69.621910][ T5828] RAX: ffffffff82edd3ba RBX: ffffea0000489500 RCX: ffff88807bda0000
[ 69.629936][ T5828] RDX: 0000000000000000 RSI: 0000000000001008 RDI: 0000000000001000
[ 69.637985][ T5828] RBP: 0000000000001000 R08: ffffffff82edd1f5 R09: 1ffffd40000912a0
[ 69.645975][ T5828] R10: dffffc0000000000 R11: fffff940000912a1 R12: 0000000000001008
[ 69.653950][ T5828] R13: 0000000000000000 R14: 1ffffd40000912a0 R15: 0000000000001008
[ 69.661967][ T5828] FS: 000055558c30b380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[ 69.670953][ T5828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 69.677595][ T5828] CR2: 00007ffd6b595fd8 CR3: 0000000034cf2000 CR4: 00000000003526f0
[ 69.685606][ T5828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 69.693567][ T5828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 69.701619][ T5828] Kernel panic - not syncing: Fatal exception
[ 69.708010][ T5828] Kernel Offset: disabled
[ 69.712328][ T5828] Rebooting in 86400 seconds..