./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4177934001 <...> Warning: Permanently added '10.128.0.219' (ED25519) to the list of known hosts. execve("./syz-executor4177934001", ["./syz-executor4177934001"], 0x7ffd405849e0 /* 10 vars */) = 0 brk(NULL) = 0x555593df1000 brk(0x555593df1d00) = 0x555593df1d00 arch_prctl(ARCH_SET_FS, 0x555593df1380) = 0 set_tid_address(0x555593df1650) = 5222 set_robust_list(0x555593df1660, 24) = 0 rseq(0x555593df1ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4177934001", 4096) = 28 getrandom("\xf6\x79\x1b\x3a\x41\x0e\xc1\x66", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555593df1d00 brk(0x555593e12d00) = 0x555593e12d00 brk(0x555593e13000) = 0x555593e13000 mprotect(0x7f3c670ba000, 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) = 0x7f3c5ea00000 write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\xff\x01\x00\x00\x00\x00\x00\x00\xff\x01\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\xbb\x02\x87\x1c\xc7\xbb\xb3\x5e\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 munmap(0x7f3c5ea00000, 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 [ 59.382384][ T5222] loop0: detected capacity change from 0 to 4096 mount("/dev/loop0", "./file0", "ntfs3", MS_SILENT, "") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0") = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|FASYNC, 000) = 4 [ 59.426005][ T5222] ntfs3(loop0): Different NTFS sector size (2048) and media sector size (512). [ 59.451443][ T5222] ntfs3(loop0): Mark volume as dirty due to NTFS errors [ 59.479033][ T5222] ------------[ cut here ]------------ [ 59.484590][ T5222] kernel BUG at include/linux/highmem.h:275! [ 59.490930][ T5222] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 59.497915][ T5222] CPU: 0 UID: 0 PID: 5222 Comm: syz-executor417 Not tainted 6.12.0-rc4-syzkaller-00045-gd12937763990 #0 [ 59.509003][ T5222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 59.519050][ T5222] RIP: 0010:zero_user_segments+0x28b/0x290 [ 59.524883][ T5222] Code: ff 01 e9 47 fe ff ff e8 a3 42 a7 fe 89 ea be 00 10 00 00 48 c7 c7 10 41 cf 8e e8 f0 38 ff 01 e9 d3 fe ff ff e8 86 42 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 [ 59.544494][ T5222] RSP: 0018:ffffc90003c877c0 EFLAGS: 00010293 [ 59.550562][ T5222] RAX: ffffffff82ed950a RBX: ffffea00006a2cc0 RCX: ffff88807b138000 [ 59.558516][ T5222] RDX: 0000000000000000 RSI: 000000000000100a RDI: 0000000000001000 [ 59.566485][ T5222] RBP: 0000000000001000 R08: ffffffff82ed9345 R09: 1ffffd40000d4598 [ 59.574436][ T5222] R10: dffffc0000000000 R11: fffff940000d4599 R12: 000000000000100a [ 59.582387][ T5222] R13: 0000000000000000 R14: 1ffffd40000d4598 R15: 000000000000100a [ 59.590342][ T5222] FS: 0000555593df1380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 59.599255][ T5222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.605827][ T5222] CR2: 000000000066c7e0 CR3: 0000000077b46000 CR4: 00000000003526f0 [ 59.613788][ T5222] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.621745][ T5222] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.629696][ T5222] Call Trace: [ 59.632957][ T5222] [ 59.635874][ T5222] ? __die_body+0x5f/0xb0 [ 59.640190][ T5222] ? die+0x9e/0xc0 [ 59.643892][ T5222] ? do_trap+0x15a/0x3a0 [ 59.648122][ T5222] ? zero_user_segments+0x28b/0x290 [ 59.653301][ T5222] ? do_error_trap+0x1dc/0x2c0 [ 59.658053][ T5222] ? zero_user_segments+0x28b/0x290 [ 59.663266][ T5222] ? __pfx_do_error_trap+0x10/0x10 [ 59.668491][ T5222] ? report_bug+0x3e8/0x500 [ 59.673001][ T5222] ? handle_invalid_op+0x34/0x40 [ 59.677940][ T5222] ? zero_user_segments+0x28b/0x290 [ 59.683118][ T5222] ? exc_invalid_op+0x38/0x50 [ 59.687779][ T5222] ? asm_exc_invalid_op+0x1a/0x20 [ 59.692789][ T5222] ? zero_user_segments+0xc5/0x290 [ 59.697900][ T5222] ? zero_user_segments+0x28a/0x290 [ 59.703077][ T5222] ? zero_user_segments+0x28b/0x290 [ 59.708254][ T5222] ntfs_extend_initialized_size+0x50b/0x950 [ 59.714149][ T5222] ? __pfx_ntfs_extend_initialized_size+0x10/0x10 [ 59.720584][ T5222] ? __mark_inode_dirty+0x3db/0xe90 [ 59.725781][ T5222] ? ntfs_set_size+0x184/0x200 [ 59.730544][ T5222] ntfs_extend+0x578/0xad0 [ 59.734949][ T5222] ? __pfx_ntfs_extend+0x10/0x10 [ 59.739870][ T5222] ? __mark_inode_dirty+0x3db/0xe90 [ 59.745061][ T5222] ? mnt_put_write_access_file+0xbf/0x100 [ 59.750763][ T5222] ? file_modified_flags+0x437/0x4d0 [ 59.756034][ T5222] ntfs_file_write_iter+0x403/0x7a0 [ 59.761216][ T5222] do_iter_readv_writev+0x600/0x880 [ 59.766397][ T5222] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 59.772110][ T5222] ? rcu_read_lock_any_held+0xb7/0x160 [ 59.777559][ T5222] vfs_writev+0x376/0xba0 [ 59.781873][ T5222] ? __pfx_vfs_writev+0x10/0x10 [ 59.786712][ T5222] ? _raw_spin_unlock_irq+0x2e/0x50 [ 59.791894][ T5222] ? ptrace_notify+0x279/0x380 [ 59.796654][ T5222] __se_sys_pwritev2+0x1ca/0x2d0 [ 59.801578][ T5222] ? __pfx___se_sys_pwritev2+0x10/0x10 [ 59.807022][ T5222] ? do_syscall_64+0x100/0x230 [ 59.811778][ T5222] ? __x64_sys_pwritev2+0x21/0xf0 [ 59.816787][ T5222] do_syscall_64+0xf3/0x230 [ 59.821273][ T5222] ? clear_bhb_loop+0x35/0x90 [ 59.825927][ T5222] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.831807][ T5222] RIP: 0033:0x7f3c67028679 [ 59.836232][ T5222] 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 [ 59.855864][ T5222] RSP: 002b:00007ffc573c2ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 59.864269][ T5222] RAX: ffffffffffffffda RBX: 00007ffc573c3088 RCX: 00007f3c67028679 [ 59.872226][ T5222] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000004 [ 59.880267][ T5222] RBP: 00007f3c670ba610 R08: 0000000000000000 R09: 0000000000000000 [ 59.888229][ T5222] R10: 0000000000001000 R11: 0000000000000246 R12: 0000000000000001 [ 59.896199][ T5222] R13: 00007ffc573c3078 R14: 0000000000000001 R15: 0000000000000001 [ 59.904158][ T5222] [ 59.907156][ T5222] Modules linked in: [ 59.911345][ T5222] ---[ end trace 0000000000000000 ]--- [ 59.917426][ T5222] RIP: 0010:zero_user_segments+0x28b/0x290 [ 59.923234][ T5222] Code: ff 01 e9 47 fe ff ff e8 a3 42 a7 fe 89 ea be 00 10 00 00 48 c7 c7 10 41 cf 8e e8 f0 38 ff 01 e9 d3 fe ff ff e8 86 42 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 [ 59.942892][ T5222] RSP: 0018:ffffc90003c877c0 EFLAGS: 00010293 [ 59.949005][ T5222] RAX: ffffffff82ed950a RBX: ffffea00006a2cc0 RCX: ffff88807b138000 [ 59.957030][ T5222] RDX: 0000000000000000 RSI: 000000000000100a RDI: 0000000000001000 [ 59.965137][ T5222] RBP: 0000000000001000 R08: ffffffff82ed9345 R09: 1ffffd40000d4598 [ 59.973114][ T5222] R10: dffffc0000000000 R11: fffff940000d4599 R12: 000000000000100a [ 59.981193][ T5222] R13: 0000000000000000 R14: 1ffffd40000d4598 R15: 000000000000100a [ 59.989192][ T5222] FS: 0000555593df1380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 59.998152][ T5222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.004794][ T5222] CR2: 000000000066c7e0 CR3: 0000000077b46000 CR4: 00000000003526f0 [ 60.012757][ T5222] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.020784][ T5222] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.028814][ T5222] Kernel panic - not syncing: Fatal exception [ 60.035136][ T5222] Kernel Offset: disabled [ 60.039463][ T5222] Rebooting in 86400 seconds..