./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor499950060
<...>
forked to background, child pid 5499
no interfaces have a carrier
[ 35.041133][ T5500] 8021q: adding VLAN 0 to HW filter on device bond0
[ 35.053100][ T5500] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.1.218' (ED25519) to the list of known hosts.
execve("./syz-executor499950060", ["./syz-executor499950060"], 0x7ffed204c0c0 /* 10 vars */) = 0
brk(NULL) = 0x55559070f000
brk(0x55559070fd00) = 0x55559070fd00
arch_prctl(ARCH_SET_FS, 0x55559070f380) = 0
set_tid_address(0x55559070f650) = 5830
set_robust_list(0x55559070f660, 24) = 0
rseq(0x55559070fca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor499950060", 4096) = 27
getrandom("\x6c\x6a\xaa\x7b\x15\xeb\xd9\x12", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55559070fd00
brk(0x555590730d00) = 0x555590730d00
brk(0x555590731000) = 0x555590731000
mprotect(0x7f2e5422d000, 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 5831 attached
<unfinished ...>
[pid 5831] set_robust_list(0x55559070f660, 24 <unfinished ...>
[pid 5830] <... clone resumed>, child_tidptr=0x55559070f650) = 5831
[pid 5831] <... set_robust_list resumed>) = 0
[pid 5831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5831] setpgid(0, 0) = 0
[pid 5831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5831] write(3, "1000", 4) = 4
[pid 5831] close(3) = 0
executing program
[pid 5831] write(1, "executing program\n", 18) = 18
[pid 5831] memfd_create("syzkaller", 0) = 3
[pid 5831] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2e4bc00000
[pid 5831] 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
[pid 5831] munmap(0x7f2e4bc00000, 138412032) = 0
[pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5831] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5831] close(3) = 0
[pid 5831] close(4) = 0
[pid 5831] mkdir("./bus", 0777) = 0
syzkaller login: [ 60.459128][ T5831] loop0: detected capacity change from 0 to 4096
[pid 5831] mount("/dev/loop0", "./bus", "ntfs3", 0, "") = 0
[pid 5831] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid 5831] chdir("./bus") = 0
[pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5831] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 4
[ 60.500038][ T5831] ntfs3(loop0): Different NTFS sector size (4096) and media sector size (512).
[ 60.524771][ T5831] ntfs3(loop0): Mark volume as dirty due to NTFS errors
[ 60.541934][ T5831] ------------[ cut here ]------------
[ 60.547633][ T5831] kernel BUG at include/linux/highmem.h:275!
[ 60.553878][ T5831] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
[ 60.560834][ T5831] CPU: 0 UID: 0 PID: 5831 Comm: syz-executor499 Not tainted 6.12.0-rc6-syzkaller-00077-g2e1b3cc9d7f7 #0
[ 60.571926][ T5831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 60.581989][ T5831] RIP: 0010:zero_user_segments+0x28b/0x290
[ 60.587811][ T5831] Code: ff 01 e9 47 fe ff ff e8 13 3b a7 fe 89 ea be 00 10 00 00 48 c7 c7 b0 42 cf 8e e8 50 ae ff 01 e9 d3 fe ff ff e8 f6 3a 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
[ 60.607415][ T5831] RSP: 0018:ffffc90003bc77c0 EFLAGS: 00010293
[ 60.613474][ T5831] RAX: ffffffff82ed9f0a RBX: ffffea0001da7800 RCX: ffff888036890000
[ 60.621435][ T5831] RDX: 0000000000000000 RSI: 000000000000100a RDI: 0000000000001000
[ 60.629393][ T5831] RBP: 0000000000001000 R08: ffffffff82ed9d45 R09: 1ffffd40003b4f00
[ 60.637352][ T5831] R10: dffffc0000000000 R11: fffff940003b4f01 R12: 000000000000100a
[ 60.645312][ T5831] R13: 0000000000000000 R14: 1ffffd40003b4f00 R15: 000000000000100a
[ 60.653270][ T5831] FS: 000055559070f380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 60.662184][ T5831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 60.668752][ T5831] CR2: 00007f2e542310f8 CR3: 0000000032b70000 CR4: 00000000003526f0
[ 60.676713][ T5831] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 60.684674][ T5831] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 60.692629][ T5831] Call Trace:
[ 60.695898][ T5831] <TASK>
[ 60.698814][ T5831] ? __die_body+0x5f/0xb0
[ 60.703133][ T5831] ? die+0x9e/0xc0
[ 60.706836][ T5831] ? do_trap+0x15a/0x3a0
[ 60.711064][ T5831] ? zero_user_segments+0x28b/0x290
[ 60.716247][ T5831] ? do_error_trap+0x1dc/0x2c0
[ 60.721009][ T5831] ? zero_user_segments+0x28b/0x290
[ 60.726200][ T5831] ? __pfx_do_error_trap+0x10/0x10
[ 60.731302][ T5831] ? report_bug+0x3e8/0x500
[ 60.735802][ T5831] ? handle_invalid_op+0x34/0x40
[ 60.740731][ T5831] ? zero_user_segments+0x28b/0x290
[ 60.745923][ T5831] ? exc_invalid_op+0x38/0x50
[ 60.750594][ T5831] ? asm_exc_invalid_op+0x1a/0x20
[ 60.755612][ T5831] ? zero_user_segments+0xc5/0x290
[ 60.760718][ T5831] ? zero_user_segments+0x28a/0x290
[ 60.765919][ T5831] ? zero_user_segments+0x28b/0x290
[ 60.771104][ T5831] ntfs_extend_initialized_size+0x50b/0x950
[ 60.776988][ T5831] ? __pfx_ntfs_extend_initialized_size+0x10/0x10
[ 60.783387][ T5831] ? __mark_inode_dirty+0x3db/0xe90
[ 60.788573][ T5831] ? ntfs_set_size+0x184/0x200
[ 60.793324][ T5831] ntfs_extend+0x578/0xad0
[ 60.797725][ T5831] ? do_raw_spin_unlock+0x13c/0x8b0
[ 60.802915][ T5831] ? __pfx_ntfs_extend+0x10/0x10
[ 60.807834][ T5831] ? __mark_inode_dirty+0x7f9/0xe90
[ 60.813020][ T5831] ? mnt_put_write_access_file+0xbf/0x100
[ 60.818722][ T5831] ? file_modified_flags+0x437/0x4d0
[ 60.824000][ T5831] ntfs_file_write_iter+0x403/0x7a0
[ 60.829181][ T5831] do_iter_readv_writev+0x600/0x880
[ 60.834369][ T5831] ? __pfx_do_iter_readv_writev+0x10/0x10
[ 60.840073][ T5831] ? rcu_read_lock_any_held+0xb7/0x160
[ 60.845537][ T5831] vfs_writev+0x376/0xba0
[ 60.849869][ T5831] ? __pfx_vfs_writev+0x10/0x10
[ 60.854724][ T5831] ? _raw_spin_unlock_irq+0x2e/0x50
[ 60.859937][ T5831] ? ptrace_notify+0x279/0x380
[ 60.864696][ T5831] __se_sys_pwritev2+0x1ca/0x2d0
[ 60.869629][ T5831] ? __pfx___se_sys_pwritev2+0x10/0x10
[ 60.875077][ T5831] ? exc_page_fault+0x590/0x8c0
[ 60.879915][ T5831] ? __x64_sys_pwritev2+0x21/0xf0
[ 60.884930][ T5831] do_syscall_64+0xf3/0x230
[ 60.889424][ T5831] ? clear_bhb_loop+0x35/0x90
[ 60.894089][ T5831] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 60.899970][ T5831] RIP: 0033:0x7f2e5419aa99
[ 60.904384][ T5831] 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
[ 60.923979][ T5831] RSP: 002b:00007ffda9a4ca18 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
[ 60.932376][ T5831] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2e5419aa99
[ 60.940331][ T5831] RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000004
[ 60.948288][ T5831] RBP: 00007f2e5422d5f0 R08: 0000000000000000 R09: 0000000000000000
[ 60.956245][ T5831] R10: 0000000000005412 R11: 0000000000000246 R12: 00007ffda9a4ca50
[ 60.964200][ T5831] R13: 00007ffda9a4cc78 R14: 431bde82d7b634db R15: 00007f2e541e303b
[ 60.972161][ T5831] </TASK>
[ 60.975164][ T5831] Modules linked in:
[ 60.979180][ T5831] ---[ end trace 0000000000000000 ]---
[ 60.984687][ T5831] RIP: 0010:zero_user_segments+0x28b/0x290
[ 60.990521][ T5831] Code: ff 01 e9 47 fe ff ff e8 13 3b a7 fe 89 ea be 00 10 00 00 48 c7 c7 b0 42 cf 8e e8 50 ae ff 01 e9 d3 fe ff ff e8 f6 3a 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
[ 61.010358][ T5831] RSP: 0018:ffffc90003bc77c0 EFLAGS: 00010293
[ 61.016516][ T5831] RAX: ffffffff82ed9f0a RBX: ffffea0001da7800 RCX: ffff888036890000
[ 61.024638][ T5831] RDX: 0000000000000000 RSI: 000000000000100a RDI: 0000000000001000
[ 61.032619][ T5831] RBP: 0000000000001000 R08: ffffffff82ed9d45 R09: 1ffffd40003b4f00
[ 61.040629][ T5831] R10: dffffc0000000000 R11: fffff940003b4f01 R12: 000000000000100a
[ 61.048663][ T5831] R13: 0000000000000000 R14: 1ffffd40003b4f00 R15: 000000000000100a
[ 61.056663][ T5831] FS: 000055559070f380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[ 61.065612][ T5831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 61.072177][ T5831] CR2: 00007f6b94595ed8 CR3: 0000000032b70000 CR4: 00000000003526f0
[ 61.080381][ T5831] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 61.088402][ T5831] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 61.096406][ T5831] Kernel panic - not syncing: Fatal exception
[ 61.102709][ T5831] Kernel Offset: disabled
[ 61.107048][ T5831] Rebooting in 86400 seconds..