./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor718758412 <...> Warning: Permanently added '10.128.0.234' (ED25519) to the list of known hosts. execve("./syz-executor718758412", ["./syz-executor718758412"], 0x7ffeb3652400 /* 10 vars */) = 0 brk(NULL) = 0x55555618f000 brk(0x55555618fd00) = 0x55555618fd00 arch_prctl(ARCH_SET_FS, 0x55555618f380) = 0 set_tid_address(0x55555618f650) = 5064 set_robust_list(0x55555618f660, 24) = 0 rseq(0x55555618fca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor718758412", 4096) = 27 getrandom("\x12\xe3\x75\x31\x3e\x95\xa3\x35", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555618fd00 brk(0x5555561b0d00) = 0x5555561b0d00 brk(0x5555561b1000) = 0x5555561b1000 mprotect(0x7f8f80b2c000, 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) = 0x7f8f7867b000 [ 72.581303][ T27] audit: type=1400 audit(1704008165.835:83): avc: denied { execmem } for pid=5064 comm="syz-executor718" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 munmap(0x7f8f7867b000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 [ 72.690513][ T27] audit: type=1400 audit(1704008165.945:84): avc: denied { read write } for pid=5064 comm="syz-executor718" 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 [ 72.704071][ T5064] loop0: detected capacity change from 0 to 8192 close(3) = 0 mkdir("./file0", 0777) = 0 [ 72.715528][ T27] audit: type=1400 audit(1704008165.945:85): avc: denied { open } for pid=5064 comm="syz-executor718" 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 [ 72.745937][ T27] audit: type=1400 audit(1704008165.945:86): avc: denied { ioctl } for pid=5064 comm="syz-executor718" 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 [ 72.773184][ T27] audit: type=1400 audit(1704008166.005:87): avc: denied { append } for pid=4495 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 [ 72.795724][ T27] audit: type=1400 audit(1704008166.005:88): avc: denied { open } for pid=4495 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 [ 72.819377][ T27] audit: type=1400 audit(1704008166.005:89): avc: denied { getattr } for pid=4495 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 [ 72.821092][ T5064] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 72.842853][ T27] audit: type=1400 audit(1704008166.035:90): avc: denied { mounton } for pid=5064 comm="syz-executor718" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 72.855522][ T5064] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 72.887670][ T5064] REISERFS (device loop0): using ordered data mode [ 72.894161][ T5064] reiserfs: using flush barriers [ 72.900920][ T5064] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 72.917541][ T5064] REISERFS (device loop0): checking transaction log (loop0) [ 72.927574][ T5064] REISERFS (device loop0): Using tea hash to sort names [ 72.935193][ T5064] REISERFS (device loop0): using 3.5.x disk format [ 72.970181][ T5064] BUG: unable to handle page fault for address: ffff888077031000 [ 72.977913][ T5064] #PF: supervisor write access in kernel mode [ 72.983972][ T5064] #PF: error_code(0x0003) - permissions violation [ 72.990362][ T5064] PGD 12c01067 P4D 12c01067 PUD 2947d063 PMD 77030063 PTE 200000001 [ 72.998337][ T5064] Oops: 0003 [#1] PREEMPT SMP KASAN [ 73.003527][ T5064] CPU: 0 PID: 5064 Comm: syz-executor718 Not tainted 6.7.0-rc7-syzkaller-00049-g453f5db0619e #0 [ 73.013915][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 73.024043][ T5064] RIP: 0010:memmove+0x28/0x1b0 [ 73.028821][ T5064] Code: c3 90 f3 0f 1e fa 48 89 f8 48 39 fe 7d 0f 49 89 f0 49 01 d0 49 39 f8 0f 8f b5 00 00 00 48 83 fa 20 0f 82 01 01 00 00 48 89 d1 a4 c3 48 81 fa a8 02 00 00 72 05 40 38 fe 74 47 48 83 ea 20 48 [ 73.048417][ T5064] RSP: 0018:ffffc9000336ef20 EFLAGS: 00010286 [ 73.054480][ T5064] RAX: ffff8880730f6fb4 RBX: 0000000000000002 RCX: fffffffffc0c5f94 [ 73.062443][ T5064] RDX: ffffffffffffffe0 RSI: ffff888077030ff0 RDI: ffff888077031000 [ 73.070407][ T5064] RBP: 0000000000000020 R08: ffff8880730f6f84 R09: 0000766972705f73 [ 73.078370][ T5064] R10: 667265736965722e R11: 0000766972705f73 R12: 0000000000000001 [ 73.086331][ T5064] R13: 0000000000000000 R14: ffff8880730f6fa4 R15: 0000000000000010 [ 73.094296][ T5064] FS: 000055555618f380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 73.103219][ T5064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.109799][ T5064] CR2: ffff888077031000 CR3: 000000005e3f0000 CR4: 00000000003506f0 [ 73.117855][ T5064] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.125819][ T5064] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.134217][ T5064] Call Trace: [ 73.137486][ T5064] [ 73.140415][ T5064] ? show_regs+0x8f/0xa0 [ 73.144658][ T5064] ? __die+0x2c/0x80 [ 73.148553][ T5064] ? page_fault_oops+0x398/0xab0 [ 73.153516][ T5064] ? cmp_ex_sort+0xc0/0xc0 [ 73.157926][ T5064] ? dump_pagetable+0x530/0x530 [ 73.162772][ T5064] ? search_extable+0x83/0xb0 [ 73.167443][ T5064] ? is_prefetch.constprop.0+0xb6/0x550 [ 73.172987][ T5064] ? trim_init_extable+0x430/0x430 [ 73.178104][ T5064] ? hlock_class+0x4e/0x130 [ 73.182603][ T5064] ? __module_address+0x55/0x3b0 [ 73.187539][ T5064] ? pgtable_bad+0x80/0x80 [ 73.191954][ T5064] ? memmove+0x28/0x1b0 [ 73.196102][ T5064] ? fixup_exception+0x110/0xc80 [ 73.201039][ T5064] ? kernelmode_fixup_or_oops+0x23c/0x2b0 [ 73.206756][ T5064] ? __bad_area_nosemaphore+0x390/0x6a0 [ 73.212297][ T5064] ? spurious_kernel_fault+0x2f4/0x3c0 [ 73.217753][ T5064] ? do_kern_addr_fault+0x5b/0x80 [ 73.222788][ T5064] ? exc_page_fault+0xae/0xc0 [ 73.227484][ T5064] ? asm_exc_page_fault+0x26/0x30 [ 73.232519][ T5064] ? memmove+0x28/0x1b0 [ 73.236684][ T5064] leaf_paste_entries+0x43c/0x920 [ 73.241739][ T5064] balance_leaf+0x9478/0xcda0 [ 73.246421][ T5064] ? get_num_ver.constprop.0+0xfd0/0xfd0 [ 73.252054][ T5064] ? replace_key+0x150/0x150 [ 73.256657][ T5064] do_balance+0x337/0x840 [ 73.260993][ T5064] ? get_right_neighbor_position+0x170/0x170 [ 73.266988][ T5064] reiserfs_paste_into_item+0x62b/0x7c0 [ 73.272540][ T5064] ? reiserfs_delete_object+0x210/0x210 [ 73.278099][ T5064] ? search_by_entry_key+0x940/0x940 [ 73.283385][ T5064] ? make_cpu_key+0x26/0x2a0 [ 73.287968][ T5064] reiserfs_add_entry+0x936/0xd70 [ 73.293005][ T5064] ? reiserfs_lookup+0x690/0x690 [ 73.297948][ T5064] ? bit_wait_io_timeout+0x160/0x160 [ 73.303246][ T5064] ? do_journal_begin_r+0xbed/0x12a0 [ 73.308545][ T5064] reiserfs_mkdir+0x68a/0x9a0 [ 73.313215][ T5064] ? reiserfs_mknod+0x740/0x740 [ 73.318070][ T5064] ? lock_sync+0x190/0x190 [ 73.322503][ T5064] ? preempt_count_sub+0x160/0x160 [ 73.327609][ T5064] reiserfs_xattr_init+0x4e3/0xae0 [ 73.332719][ T5064] reiserfs_fill_super+0x2139/0x3160 [ 73.338006][ T5064] ? reiserfs_remount+0x1640/0x1640 [ 73.343204][ T5064] ? up_write+0x510/0x510 [ 73.347530][ T5064] ? lock_sync+0x190/0x190 [ 73.352034][ T5064] ? reiserfs_remount+0x1640/0x1640 [ 73.357227][ T5064] mount_bdev+0x1f3/0x2e0 [ 73.361648][ T5064] ? sget+0x640/0x640 [ 73.365653][ T5064] ? selinux_sb_eat_lsm_opts+0x594/0x700 [ 73.371284][ T5064] ? cap_capable+0x1cf/0x230 [ 73.375886][ T5064] ? reiserfs_kill_sb+0x1e0/0x1e0 [ 73.380905][ T5064] legacy_get_tree+0x109/0x220 [ 73.385664][ T5064] vfs_get_tree+0x8c/0x370 [ 73.390178][ T5064] path_mount+0x1492/0x1ed0 [ 73.394681][ T5064] ? lockdep_hardirqs_on+0x7d/0x110 [ 73.399883][ T5064] ? finish_automount+0xa40/0xa40 [ 73.404907][ T5064] ? putname+0x12e/0x170 [ 73.409149][ T5064] __x64_sys_mount+0x293/0x310 [ 73.413919][ T5064] ? copy_mnt_ns+0xb60/0xb60 [ 73.418511][ T5064] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 73.424754][ T5064] do_syscall_64+0x40/0x110 [ 73.429258][ T5064] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 73.435242][ T5064] RIP: 0033:0x7f8f80ab98ba [ 73.439671][ T5064] Code: 48 00 04 00 01 06 01 80 01 00 00 00 02 00 00 00 48 00 04 00 01 06 01 80 01 00 00 00 02 00 00 00 48 00 04 00 01 06 01 80 01 00 <00> 00 02 00 00 00 48 00 04 00 01 06 01 80 01 00 00 00 02 00 00 00 [ 73.459292][ T5064] RSP: 002b:00007ffca7ee6b48 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 73.467719][ T5064] RAX: ffffffffffffffda RBX: 00007ffca7ee6b60 RCX: 00007f8f80ab98ba [ 73.475780][ T5064] RDX: 00000000200001c0 RSI: 0000000020000040 RDI: 00007ffca7ee6b60 [ 73.483762][ T5064] RBP: 0000000000000004 R08: 00007ffca7ee6ba0 R09: 0000000000001113 [ 73.491735][ T5064] R10: 0000000003000012 R11: 0000000000000286 R12: 0000000003000012 [ 73.499720][ T5064] R13: 00007ffca7ee6ba0 R14: 0000000000000003 R15: 0000000000400000 [ 73.507725][ T5064] [ 73.510743][ T5064] Modules linked in: [ 73.514716][ T5064] CR2: ffff888077031000 [ 73.518865][ T5064] ---[ end trace 0000000000000000 ]--- [ 73.524366][ T5064] RIP: 0010:memmove+0x28/0x1b0 [ 73.529147][ T5064] Code: c3 90 f3 0f 1e fa 48 89 f8 48 39 fe 7d 0f 49 89 f0 49 01 d0 49 39 f8 0f 8f b5 00 00 00 48 83 fa 20 0f 82 01 01 00 00 48 89 d1 a4 c3 48 81 fa a8 02 00 00 72 05 40 38 fe 74 47 48 83 ea 20 48 [ 73.548767][ T5064] RSP: 0018:ffffc9000336ef20 EFLAGS: 00010286 [ 73.554869][ T5064] RAX: ffff8880730f6fb4 RBX: 0000000000000002 RCX: fffffffffc0c5f94 [ 73.562857][ T5064] RDX: ffffffffffffffe0 RSI: ffff888077030ff0 RDI: ffff888077031000 [ 73.570834][ T5064] RBP: 0000000000000020 R08: ffff8880730f6f84 R09: 0000766972705f73 [ 73.579070][ T5064] R10: 667265736965722e R11: 0000766972705f73 R12: 0000000000000001 [ 73.587035][ T5064] R13: 0000000000000000 R14: ffff8880730f6fa4 R15: 0000000000000010 [ 73.595000][ T5064] FS: 000055555618f380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 73.603925][ T5064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.610503][ T5064] CR2: ffff888077031000 CR3: 000000005e3f0000 CR4: 00000000003506f0 [ 73.618470][ T5064] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.626522][ T5064] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.634514][ T5064] Kernel panic - not syncing: Fatal exception [ 73.640640][ T5064] Kernel Offset: disabled [ 73.644958][ T5064] Rebooting in 86400 seconds..