./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor267191833 <...> Warning: Permanently added '10.128.1.147' (ED25519) to the list of known hosts. execve("./syz-executor267191833", ["./syz-executor267191833"], 0x7ffcee356220 /* 10 vars */) = 0 brk(NULL) = 0x5555573e8000 brk(0x5555573e8d00) = 0x5555573e8d00 arch_prctl(ARCH_SET_FS, 0x5555573e8380) = 0 set_tid_address(0x5555573e8650) = 5017 set_robust_list(0x5555573e8660, 24) = 0 rseq(0x5555573e8ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor267191833", 4096) = 27 getrandom("\x44\xa0\xea\x3f\x50\x36\x18\x8b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555573e8d00 brk(0x555557409d00) = 0x555557409d00 brk(0x55555740a000) = 0x55555740a000 mprotect(0x7fb60d19c000, 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 [ 78.793514][ T26] audit: type=1400 audit(1689840884.569:83): avc: denied { write } for pid=5014 comm="strace-static-x" path="pipe:[30321]" dev="pipefs" ino=30321 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb604ccd000 write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\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\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\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(0x7fb604ccd000, 2097152) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 78.825891][ T26] audit: type=1400 audit(1689840884.599:84): avc: denied { execmem } for pid=5017 comm="syz-executor267" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 78.834651][ T5017] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5017 'syz-executor267' ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0", 0777) = 0 [ 78.888401][ T26] audit: type=1400 audit(1689840884.659:85): avc: denied { read write } for pid=5017 comm="syz-executor267" 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 [ 78.892609][ T5017] loop0: detected capacity change from 0 to 4096 [ 78.913375][ T26] audit: type=1400 audit(1689840884.659:86): avc: denied { open } for pid=5017 comm="syz-executor267" 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 [ 78.944634][ T26] audit: type=1400 audit(1689840884.669:87): avc: denied { ioctl } for pid=5017 comm="syz-executor267" 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 [ 78.944930][ T5017] ------------[ cut here ]------------ [ 78.970465][ T26] audit: type=1400 audit(1689840884.699:88): avc: denied { mounton } for pid=5017 comm="syz-executor267" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 78.975876][ T5017] kernel BUG at fs/ntfs/aops.c:186! [ 79.004018][ T5017] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 79.010115][ T5017] CPU: 1 PID: 5017 Comm: syz-executor267 Not tainted 6.5.0-rc2-syzkaller-00052-gbfa3037d8280 #0 [ 79.020534][ T5017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 [ 79.030706][ T5017] RIP: 0010:ntfs_read_folio+0x254c/0x3080 [ 79.036486][ T5017] Code: 4c 24 08 48 8b 98 30 fd ff ff 48 c1 eb 03 83 e3 01 89 de e8 36 7b d5 fe 84 db 4c 8b 4c 24 08 0f 85 50 ea ff ff e8 f4 7f d5 fe <0f> 0b e8 ed 7f d5 fe 48 8b 44 24 40 48 8d b8 70 fd ff ff e8 4c 20 [ 79.056132][ T5017] RSP: 0018:ffffc900033af6c0 EFLAGS: 00010293 [ 79.062214][ T5017] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 79.070197][ T5017] RDX: ffff88807c6ae0c0 RSI: ffffffff82b008dc RDI: 0000000000000001 [ 79.078197][ T5017] RBP: ffffea0001c16dc0 R08: 0000000000000001 R09: ffffea0001c16dc8 [ 79.086177][ T5017] R10: 0000000000000000 R11: ffffffff81cd30b2 R12: dffffc0000000000 [ 79.094155][ T5017] R13: fffff94000382db9 R14: ffffea0001c16de0 R15: ffffea0001c16de0 [ 79.102151][ T5017] FS: 00005555573e8380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 79.111093][ T5017] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.117685][ T5017] CR2: 00000000005fdeb8 CR3: 000000007c9f3000 CR4: 00000000003506e0 [ 79.125667][ T5017] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.133647][ T5017] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.141643][ T5017] Call Trace: [ 79.144923][ T5017] [ 79.147876][ T5017] ? die+0x31/0x80 [ 79.151620][ T5017] ? do_trap+0x1ab/0x3b0 [ 79.155903][ T5017] ? ntfs_read_folio+0x254c/0x3080 [ 79.161258][ T5017] ? do_error_trap+0x9e/0x160 [ 79.165963][ T5017] ? ntfs_read_folio+0x254c/0x3080 [ 79.171103][ T5017] ? handle_invalid_op+0x2c/0x30 [ 79.176073][ T5017] ? ntfs_read_folio+0x254c/0x3080 [ 79.181205][ T5017] ? exc_invalid_op+0x2d/0x40 [ 79.185903][ T5017] ? asm_exc_invalid_op+0x1a/0x20 [ 79.190947][ T5017] ? post_alloc_hook+0x2d2/0x350 [ 79.195913][ T5017] ? ntfs_read_folio+0x254c/0x3080 [ 79.201064][ T5017] ? ntfs_read_folio+0x254c/0x3080 [ 79.206214][ T5017] ? rcu_is_watching+0x12/0xb0 [ 79.211004][ T5017] ? rcu_is_watching+0x12/0xb0 [ 79.215792][ T5017] ? folio_add_lru+0x41c/0x7d0 [ 79.220588][ T5017] ? reacquire_held_locks+0x4b0/0x4b0 [ 79.226008][ T5017] ? ntfs_end_buffer_async_read+0x16e0/0x16e0 [ 79.232119][ T5017] ? folio_add_lru+0x452/0x7d0 [ 79.236908][ T5017] ? ntfs_end_buffer_async_read+0x16e0/0x16e0 [ 79.243011][ T5017] filemap_read_folio+0xe5/0x2b0 [ 79.247966][ T5017] ? __folio_lock_killable+0x20/0x20 [ 79.253270][ T5017] ? __filemap_get_folio+0x1e7/0x990 [ 79.258570][ T5017] ? ntfs_attr_find+0x6d8/0xbe0 [ 79.263447][ T5017] do_read_cache_folio+0x1ff/0x540 [ 79.268585][ T5017] ? ntfs_end_buffer_async_read+0x16e0/0x16e0 [ 79.274679][ T5017] read_cache_page+0x5b/0x180 [ 79.279373][ T5017] map_mft_record+0x1dd/0x730 [ 79.284066][ T5017] ntfs_read_locked_inode+0x19b/0x5860 [ 79.289537][ T5017] ? ntfs_attr_reinit_search_ctx+0x3c0/0x3c0 [ 79.295552][ T5017] ntfs_read_inode_mount+0xef9/0x2730 [ 79.300939][ T5017] ntfs_fill_super+0x185c/0x9100 [ 79.305893][ T5017] ? parse_options+0x1db0/0x1db0 [ 79.310943][ T5017] ? snprintf+0xc8/0x100 [ 79.315202][ T5017] ? vsprintf+0x30/0x30 [ 79.319372][ T5017] ? bit_wait_io_timeout+0x160/0x160 [ 79.324674][ T5017] ? set_blocksize+0x2bd/0x360 [ 79.329451][ T5017] ? parse_options+0x1db0/0x1db0 [ 79.334403][ T5017] mount_bdev+0x30d/0x3d0 [ 79.338748][ T5017] ? ntfs_rl_punch_nolock+0x15d0/0x15d0 [ 79.344307][ T5017] legacy_get_tree+0x109/0x220 [ 79.349090][ T5017] vfs_get_tree+0x88/0x350 [ 79.353520][ T5017] path_mount+0x1492/0x1ed0 [ 79.358038][ T5017] ? lockdep_hardirqs_on+0x7d/0x100 [ 79.363251][ T5017] ? finish_automount+0xa50/0xa50 [ 79.368290][ T5017] ? putname+0x101/0x140 [ 79.372547][ T5017] __x64_sys_mount+0x293/0x310 [ 79.377359][ T5017] ? copy_mnt_ns+0xb60/0xb60 [ 79.381961][ T5017] ? lockdep_hardirqs_on+0x7d/0x100 [ 79.387195][ T5017] ? _raw_spin_unlock_irq+0x2e/0x50 [ 79.392422][ T5017] ? ptrace_notify+0xf4/0x130 [ 79.397126][ T5017] do_syscall_64+0x38/0xb0 [ 79.401551][ T5017] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 79.407468][ T5017] RIP: 0033:0x7fb60d10b8ba [ 79.411891][ T5017] 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 [ 79.431509][ T5017] RSP: 002b:00007ffd30c65278 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 79.439929][ T5017] RAX: ffffffffffffffda RBX: 00007ffd30c65290 RCX: 00007fb60d10b8ba [ 79.447914][ T5017] RDX: 000000002001f600 RSI: 000000002001f640 RDI: 00007ffd30c65290 [ 79.455889][ T5017] RBP: 0000000000000004 R08: 00007ffd30c652d0 R09: 000000000001f5cf [ 79.463865][ T5017] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 [ 79.471853][ T5017] R13: 00007ffd30c652d0 R14: 0000000000000003 R15: 0000000000200000 [ 79.479840][ T5017] [ 79.482861][ T5017] Modules linked in: [ 79.487190][ T5017] ---[ end trace 0000000000000000 ]--- [ 79.492750][ T5017] RIP: 0010:ntfs_read_folio+0x254c/0x3080 [ 79.494433][ T26] audit: type=1400 audit(1689840885.259:89): avc: denied { append } for pid=4449 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 [ 79.498958][ T5017] Code: 4c 24 08 48 8b 98 30 fd ff ff 48 c1 eb 03 83 e3 01 89 de e8 36 7b d5 fe 84 db 4c 8b 4c 24 08 0f 85 50 ea ff ff e8 f4 7f d5 fe <0f> 0b e8 ed 7f d5 fe 48 8b 44 24 40 48 8d b8 70 fd ff ff e8 4c 20 [ 79.521407][ T26] audit: type=1400 audit(1689840885.259:90): avc: denied { open } for pid=4449 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 [ 79.540708][ T5017] RSP: 0018:ffffc900033af6c0 EFLAGS: 00010293 [ 79.563446][ T26] audit: type=1400 audit(1689840885.259:91): avc: denied { getattr } for pid=4449 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 [ 79.569133][ T5017] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 79.599772][ T5017] RDX: ffff88807c6ae0c0 RSI: ffffffff82b008dc RDI: 0000000000000001 [ 79.607869][ T5017] RBP: ffffea0001c16dc0 R08: 0000000000000001 R09: ffffea0001c16dc8 [ 79.615958][ T5017] R10: 0000000000000000 R11: ffffffff81cd30b2 R12: dffffc0000000000 [ 79.624091][ T5017] R13: fffff94000382db9 R14: ffffea0001c16de0 R15: ffffea0001c16de0 [ 79.632160][ T5017] FS: 00005555573e8380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 79.641156][ T5017] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.647748][ T5017] CR2: 00000000005fdeb8 CR3: 000000007c9f3000 CR4: 00000000003506e0 [ 79.655776][ T5017] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.663830][ T5017] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.671856][ T5017] Kernel panic - not syncing: Fatal exception [ 79.678152][ T5017] Kernel Offset: disabled [ 79.682504][ T5017] Rebooting in 86400 seconds..