./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor29717444 <...> Warning: Permanently added '10.128.1.129' (ECDSA) to the list of known hosts. execve("./syz-executor29717444", ["./syz-executor29717444"], 0x7ffee8c629d0 /* 10 vars */) = 0 brk(NULL) = 0x5555558eb000 brk(0x5555558ebc40) = 0x5555558ebc40 arch_prctl(ARCH_SET_FS, 0x5555558eb300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor29717444", 4096) = 26 brk(0x55555590cc40) = 0x55555590cc40 brk(0x55555590d000) = 0x55555590d000 mprotect(0x7f33a4250000, 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 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f339bd78000 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\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 munmap(0x7f339bd78000, 2097152) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file1", 0777) = 0 syzkaller login: [ 45.250409][ T4998] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4998 'syz-executor297' [ 45.280171][ T4998] loop0: detected capacity change from 0 to 4096 [ 45.290312][ T4998] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 45.312336][ T4998] ------------[ cut here ]------------ [ 45.317844][ T4998] kernel BUG at fs/ntfs/aops.c:186! [ 45.323111][ T4998] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 45.329161][ T4998] CPU: 0 PID: 4998 Comm: syz-executor297 Not tainted 6.4.0-rc6-syzkaller-00269-g1b29d271614a #0 [ 45.339637][ T4998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 45.349670][ T4998] RIP: 0010:ntfs_read_folio+0x235c/0x2e20 [ 45.355383][ T4998] Code: 00 48 8b 44 24 50 31 ff 48 8b 98 30 fd ff ff 48 c1 eb 03 83 e3 01 89 de e8 b1 7b d8 fe 84 db 0f 85 59 eb ff ff e8 c4 7f d8 fe <0f> 0b e8 bd 7f d8 fe 48 c7 c6 c0 41 81 8a 4c 89 f7 e8 be 06 14 ff [ 45.374976][ T4998] RSP: 0018:ffffc90003adf6b8 EFLAGS: 00010293 [ 45.381047][ T4998] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 45.389011][ T4998] RDX: ffff888024d7d940 RSI: ffffffff82abc71c RDI: 0000000000000001 [ 45.396961][ T4998] RBP: ffff888073d98050 R08: 0000000000000001 R09: 0000000000000000 [ 45.404905][ T4998] R10: 0000000000000000 R11: ffffffff81cb45eb R12: ffff888073d98050 [ 45.412941][ T4998] R13: ffffea0001d54858 R14: ffffea0001d54840 R15: ffffea0001d54860 [ 45.420911][ T4998] FS: 00005555558eb300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 45.429831][ T4998] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.436410][ T4998] CR2: 00000000005fdeb8 CR3: 0000000075377000 CR4: 0000000000350ef0 [ 45.444360][ T4998] Call Trace: [ 45.447617][ T4998] [ 45.450528][ T4998] ? die+0x32/0x90 [ 45.454330][ T4998] ? do_trap+0x1b2/0x3f0 [ 45.458554][ T4998] ? ntfs_read_folio+0x235c/0x2e20 [ 45.463736][ T4998] ? ntfs_read_folio+0x235c/0x2e20 [ 45.468826][ T4998] ? do_error_trap+0xb1/0x170 [ 45.473478][ T4998] ? ntfs_read_folio+0x235c/0x2e20 [ 45.478564][ T4998] ? handle_invalid_op+0x2c/0x30 [ 45.483477][ T4998] ? ntfs_read_folio+0x235c/0x2e20 [ 45.488561][ T4998] ? exc_invalid_op+0x2f/0x50 [ 45.493223][ T4998] ? asm_exc_invalid_op+0x1a/0x20 [ 45.498228][ T4998] ? post_alloc_hook+0x2db/0x350 [ 45.503151][ T4998] ? ntfs_read_folio+0x235c/0x2e20 [ 45.508241][ T4998] ? ntfs_read_folio+0x235c/0x2e20 [ 45.513344][ T4998] ? ntfs_read_folio+0x235c/0x2e20 [ 45.518438][ T4998] ? rcu_is_watching+0x12/0xb0 [ 45.523190][ T4998] ? folio_add_lru+0x449/0x7c0 [ 45.527938][ T4998] ? lock_downgrade+0x690/0x690 [ 45.532772][ T4998] ? ntfs_end_buffer_async_read+0x1740/0x1740 [ 45.538816][ T4998] ? folio_flags.constprop.0+0x53/0x150 [ 45.544341][ T4998] ? folio_add_lru+0x47f/0x7c0 [ 45.549081][ T4998] ? ntfs_end_buffer_async_read+0x1740/0x1740 [ 45.555124][ T4998] filemap_read_folio+0xdb/0x2c0 [ 45.560039][ T4998] ? __folio_lock_killable+0x20/0x20 [ 45.565304][ T4998] ? __filemap_get_folio+0x1f8/0x990 [ 45.570571][ T4998] do_read_cache_folio+0x1f2/0x510 [ 45.575663][ T4998] ? ntfs_end_buffer_async_read+0x1740/0x1740 [ 45.581704][ T4998] read_cache_page+0x5d/0x160 [ 45.586363][ T4998] map_mft_record+0x1df/0x6c0 [ 45.591019][ T4998] ntfs_read_locked_inode+0x19c/0x5ae0 [ 45.596458][ T4998] ntfs_read_inode_mount+0xe55/0x2670 [ 45.601813][ T4998] ntfs_fill_super+0x189c/0x93f0 [ 45.606734][ T4998] ? parse_options+0x1d70/0x1d70 [ 45.611653][ T4998] ? snprintf+0xbf/0x100 [ 45.615874][ T4998] ? vsprintf+0x30/0x30 [ 45.620007][ T4998] ? wait_for_completion_io_timeout+0x20/0x20 [ 45.626056][ T4998] ? set_blocksize+0x2d8/0x370 [ 45.630801][ T4998] mount_bdev+0x358/0x420 [ 45.635110][ T4998] ? parse_options+0x1d70/0x1d70 [ 45.640028][ T4998] ? ntfs_rl_punch_nolock+0x15c0/0x15c0 [ 45.645553][ T4998] legacy_get_tree+0x109/0x220 [ 45.650298][ T4998] vfs_get_tree+0x8d/0x350 [ 45.654694][ T4998] path_mount+0x134b/0x1e40 [ 45.659176][ T4998] ? kmem_cache_free+0xe9/0x480 [ 45.664006][ T4998] ? finish_automount+0x9b0/0x9b0 [ 45.669010][ T4998] ? putname+0x102/0x140 [ 45.673231][ T4998] __x64_sys_mount+0x283/0x300 [ 45.677975][ T4998] ? copy_mnt_ns+0xb30/0xb30 [ 45.682546][ T4998] ? lockdep_hardirqs_on+0x7d/0x100 [ 45.687727][ T4998] ? _raw_spin_unlock_irq+0x2e/0x50 [ 45.692908][ T4998] ? ptrace_notify+0xfe/0x140 [ 45.697564][ T4998] do_syscall_64+0x39/0xb0 [ 45.701957][ T4998] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 45.707835][ T4998] RIP: 0033:0x7f33a41c5faa [ 45.712227][ T4998] Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 45.731904][ T4998] RSP: 002b:00007fff7c78ae88 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 45.740299][ T4998] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f33a41c5faa [ 45.748250][ T4998] RDX: 0000000020000000 RSI: 000000002001ee80 RDI: 00007fff7c78aea0 [ 45.756200][ T4998] RBP: 00007fff7c78aea0 R08: 00007fff7c78aee0 R09: 00007fff7c78aef0 [ 45.764153][ T4998] R10: 0000000001800800 R11: 0000000000000286 R12: 0000000000000004 [ 45.772101][ T4998] R13: 00005555558eb2c0 R14: 0000000001800800 R15: 00007fff7c78aee0 [ 45.780059][ T4998] [ 45.783053][ T4998] Modules linked in: [ 45.787136][ T4998] ---[ end trace 0000000000000000 ]--- [ 45.792608][ T4998] RIP: 0010:ntfs_read_folio+0x235c/0x2e20 [ 45.798393][ T4998] Code: 00 48 8b 44 24 50 31 ff 48 8b 98 30 fd ff ff 48 c1 eb 03 83 e3 01 89 de e8 b1 7b d8 fe 84 db 0f 85 59 eb ff ff e8 c4 7f d8 fe <0f> 0b e8 bd 7f d8 fe 48 c7 c6 c0 41 81 8a 4c 89 f7 e8 be 06 14 ff [ 45.818099][ T4998] RSP: 0018:ffffc90003adf6b8 EFLAGS: 00010293 [ 45.824173][ T4998] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 45.832189][ T4998] RDX: ffff888024d7d940 RSI: ffffffff82abc71c RDI: 0000000000000001 [ 45.840231][ T4998] RBP: ffff888073d98050 R08: 0000000000000001 R09: 0000000000000000 [ 45.848231][ T4998] R10: 0000000000000000 R11: ffffffff81cb45eb R12: ffff888073d98050 [ 45.856237][ T4998] R13: ffffea0001d54858 R14: ffffea0001d54840 R15: ffffea0001d54860 [ 45.864195][ T4998] FS: 00005555558eb300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 45.873157][ T4998] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.879775][ T4998] CR2: 00000000005fdeb8 CR3: 0000000075377000 CR4: 0000000000350ef0 [ 45.887780][ T4998] Kernel panic - not syncing: Fatal exception [ 45.894742][ T4998] Kernel Offset: disabled [ 45.899058][ T4998] Rebooting in 86400 seconds..