./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1767469913 <...> Warning: Permanently added '10.128.0.195' (ED25519) to the list of known hosts. execve("./syz-executor1767469913", ["./syz-executor1767469913"], 0x7ffde3c23480 /* 10 vars */) = 0 brk(NULL) = 0x555555c63000 brk(0x555555c63d00) = 0x555555c63d00 arch_prctl(ARCH_SET_FS, 0x555555c63380) = 0 set_tid_address(0x555555c63650) = 5063 set_robust_list(0x555555c63660, 24) = 0 rseq(0x555555c63ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1767469913", 4096) = 28 getrandom("\x24\xa9\x90\x99\xfc\xf2\x77\xec", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555c63d00 brk(0x555555c84d00) = 0x555555c84d00 brk(0x555555c85000) = 0x555555c85000 mprotect(0x7f40403a5000, 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) = 0x7f4037ed6000 [ 74.182194][ T27] audit: type=1400 audit(1702121405.554:83): avc: denied { execmem } for pid=5063 comm="syz-executor176" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 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(0x7f4037ed6000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 74.258829][ T27] audit: type=1400 audit(1702121405.634:84): avc: denied { read write } for pid=5063 comm="syz-executor176" name="loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 74.273840][ T5063] loop0: detected capacity change from 0 to 4096 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file1", 0777) = 0 [ 74.283194][ T27] audit: type=1400 audit(1702121405.634:85): avc: denied { open } for pid=5063 comm="syz-executor176" path="/dev/loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 74.314560][ T27] audit: type=1400 audit(1702121405.644:86): avc: denied { ioctl } for pid=5063 comm="syz-executor176" path="/dev/loop0" dev="devtmpfs" ino=648 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 74.322558][ T5063] 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. [ 74.340763][ T27] audit: type=1400 audit(1702121405.694:87): avc: denied { mounton } for pid=5063 comm="syz-executor176" path="/root/file1" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 74.385748][ T5063] ------------[ cut here ]------------ [ 74.391200][ T5063] kernel BUG at fs/ntfs/aops.c:185! [ 74.396469][ T5063] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 74.402517][ T5063] CPU: 0 PID: 5063 Comm: syz-executor176 Not tainted 6.7.0-rc4-syzkaller-00358-gf2e8a57ee903 #0 [ 74.412917][ T5063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 74.422954][ T5063] RIP: 0010:ntfs_read_folio+0x1ea2/0x2430 [ 74.428673][ T5063] Code: 10 48 8b 98 30 fd ff ff 48 c1 eb 03 83 e3 01 89 de e8 82 af d0 fe 84 db 44 0f b6 4c 24 10 0f 85 15 f1 ff ff e8 3f b4 d0 fe 90 <0f> 0b e8 37 b4 d0 fe 48 8b 44 24 38 48 8d b8 70 fd ff ff e8 06 13 [ 74.448267][ T5063] RSP: 0018:ffffc90003437660 EFLAGS: 00010293 [ 74.454318][ T5063] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff82b5cc0e [ 74.462271][ T5063] RDX: ffff88806d92e100 RSI: ffffffff82b5cc21 RDI: 0000000000000001 [ 74.470225][ T5063] RBP: ffffea0001d1b940 R08: 0000000000000001 R09: 0000000000000001 [ 74.478179][ T5063] R10: 0000000000000000 R11: ffffffff81d116f0 R12: dffffc0000000000 [ 74.486131][ T5063] R13: fffff940003a3729 R14: ffffea0001d1b958 R15: ffffea0001d1b960 [ 74.494086][ T5063] FS: 0000555555c63380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 74.503000][ T5063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.509568][ T5063] CR2: 00007fffdd4b4000 CR3: 000000001f3d6000 CR4: 00000000003506f0 [ 74.517524][ T5063] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.525476][ T5063] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.533437][ T5063] Call Trace: [ 74.536704][ T5063] [ 74.539616][ T5063] ? show_regs+0x8f/0xa0 [ 74.543847][ T5063] ? die+0x36/0xa0 [ 74.547552][ T5063] ? do_trap+0x22b/0x420 [ 74.551780][ T5063] ? ntfs_read_folio+0x1ea2/0x2430 [ 74.556874][ T5063] ? ntfs_read_folio+0x1ea2/0x2430 [ 74.561965][ T5063] ? do_error_trap+0xf4/0x230 [ 74.566628][ T5063] ? ntfs_read_folio+0x1ea2/0x2430 [ 74.571721][ T5063] ? handle_invalid_op+0x34/0x40 [ 74.576648][ T5063] ? ntfs_read_folio+0x1ea2/0x2430 [ 74.581743][ T5063] ? exc_invalid_op+0x2e/0x40 [ 74.586404][ T5063] ? asm_exc_invalid_op+0x1a/0x20 [ 74.591417][ T5063] ? post_alloc_hook+0x2d0/0x350 [ 74.596339][ T5063] ? ntfs_read_folio+0x1e8e/0x2430 [ 74.601432][ T5063] ? ntfs_read_folio+0x1ea1/0x2430 [ 74.606524][ T5063] ? ntfs_read_folio+0x1ea2/0x2430 [ 74.611618][ T5063] ? rcu_is_watching+0x12/0xb0 [ 74.616367][ T5063] ? reacquire_held_locks+0x4c0/0x4c0 [ 74.621728][ T5063] ? ntfs_end_buffer_async_read+0x18e0/0x18e0 [ 74.627788][ T5063] ? folio_add_lru+0x451/0x7f0 [ 74.632538][ T5063] ? ntfs_end_buffer_async_read+0x18e0/0x18e0 [ 74.638587][ T5063] filemap_read_folio+0xe9/0x2c0 [ 74.643513][ T5063] ? __folio_lock_killable+0x20/0x20 [ 74.648783][ T5063] ? __filemap_get_folio+0x2b0/0xaa0 [ 74.654058][ T5063] do_read_cache_folio+0x205/0x540 [ 74.659169][ T5063] ? ntfs_end_buffer_async_read+0x18e0/0x18e0 [ 74.665217][ T5063] read_cache_page+0x5b/0x160 [ 74.669880][ T5063] map_mft_record+0x1dd/0x730 [ 74.674545][ T5063] ntfs_read_locked_inode+0x19b/0x5860 [ 74.679988][ T5063] ? ntfs_attr_reinit_search_ctx+0x3c0/0x3c0 [ 74.685967][ T5063] ntfs_read_inode_mount+0xef9/0x2730 [ 74.691326][ T5063] ntfs_fill_super+0x185c/0x9100 [ 74.696259][ T5063] ? up_write+0x510/0x510 [ 74.700573][ T5063] ? parse_options+0x1db0/0x1db0 [ 74.705497][ T5063] ? lock_sync+0x190/0x190 [ 74.709900][ T5063] ? parse_options+0x1db0/0x1db0 [ 74.714825][ T5063] ? preempt_count_sub+0x160/0x160 [ 74.719962][ T5063] ? sb_set_blocksize+0xf6/0x120 [ 74.724887][ T5063] ? parse_options+0x1db0/0x1db0 [ 74.729811][ T5063] mount_bdev+0x1f3/0x2e0 [ 74.734131][ T5063] ? sget+0x640/0x640 [ 74.738099][ T5063] ? selinux_sb_eat_lsm_opts+0x594/0x700 [ 74.743717][ T5063] ? cap_capable+0x1d8/0x240 [ 74.748294][ T5063] ? ntfs_rl_punch_nolock+0x15d0/0x15d0 [ 74.753846][ T5063] legacy_get_tree+0x109/0x220 [ 74.758593][ T5063] vfs_get_tree+0x8c/0x370 [ 74.762998][ T5063] path_mount+0x1492/0x1ed0 [ 74.767489][ T5063] ? lockdep_hardirqs_on+0x7d/0x110 [ 74.772679][ T5063] ? finish_automount+0xa40/0xa40 [ 74.777692][ T5063] ? putname+0x12e/0x170 [ 74.781919][ T5063] __x64_sys_mount+0x293/0x310 [ 74.786672][ T5063] ? copy_mnt_ns+0xb60/0xb60 [ 74.791251][ T5063] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 74.797496][ T5063] do_syscall_64+0x40/0x110 [ 74.801987][ T5063] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 74.807868][ T5063] RIP: 0033:0x7f4040314d3a [ 74.812264][ T5063] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 74.831854][ T5063] RSP: 002b:00007fffdd4b3498 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 74.840251][ T5063] RAX: ffffffffffffffda RBX: 00007fffdd4b34b0 RCX: 00007f4040314d3a [ 74.848226][ T5063] RDX: 0000000020000000 RSI: 000000002001ee80 RDI: 00007fffdd4b34b0 [ 74.856196][ T5063] RBP: 0000000000000004 R08: 00007fffdd4b34f0 R09: 000000000001ee3b [ 74.864150][ T5063] R10: 0000000001800800 R11: 0000000000000286 R12: 0000000001800800 [ 74.872100][ T5063] R13: 00007fffdd4b34f0 R14: 0000000000000003 R15: 0000000000200000 [ 74.880064][ T5063] [ 74.883067][ T5063] Modules linked in: [ 74.887097][ T5063] ---[ end trace 0000000000000000 ]--- [ 74.888460][ T27] audit: type=1400 audit(1702121406.264:88): avc: denied { append } for pid=4494 comm="syslogd" name="messages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 74.892541][ T5063] RIP: 0010:ntfs_read_folio+0x1ea2/0x2430 [ 74.920345][ T5063] Code: 10 48 8b 98 30 fd ff ff 48 c1 eb 03 83 e3 01 89 de e8 82 af d0 fe 84 db 44 0f b6 4c 24 10 0f 85 15 f1 ff ff e8 3f b4 d0 fe 90 <0f> 0b e8 37 b4 d0 fe 48 8b 44 24 38 48 8d b8 70 fd ff ff e8 06 13 [ 74.939985][ T5063] RSP: 0018:ffffc90003437660 EFLAGS: 00010293 [ 74.946201][ T5063] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff82b5cc0e [ 74.946524][ T27] audit: type=1400 audit(1702121406.264:89): avc: denied { open } for pid=4494 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 74.954211][ T5063] RDX: ffff88806d92e100 RSI: ffffffff82b5cc21 RDI: 0000000000000001 [ 74.976554][ T27] audit: type=1400 audit(1702121406.264:90): avc: denied { getattr } for pid=4494 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 74.984761][ T5063] RBP: ffffea0001d1b940 R08: 0000000000000001 R09: 0000000000000001 [ 75.015182][ T5063] R10: 0000000000000000 R11: ffffffff81d116f0 R12: dffffc0000000000 [ 75.023183][ T5063] R13: fffff940003a3729 R14: ffffea0001d1b958 R15: ffffea0001d1b960 [ 75.031156][ T5063] FS: 0000555555c63380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 75.040110][ T5063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.046724][ T5063] CR2: 00007fffdd4b4000 CR3: 000000001f3d6000 CR4: 00000000003506f0 [ 75.054718][ T5063] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.062690][ T5063] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.070902][ T5063] Kernel panic - not syncing: Fatal exception [ 75.077154][ T5063] Kernel Offset: disabled [ 75.081463][ T5063] Rebooting in 86400 seconds..