./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3143206761 <...> Warning: Permanently added '10.128.1.65' (ED25519) to the list of known hosts. execve("./syz-executor3143206761", ["./syz-executor3143206761"], 0x7ffeb86bf1e0 /* 10 vars */) = 0 brk(NULL) = 0x555556504000 brk(0x555556504d00) = 0x555556504d00 arch_prctl(ARCH_SET_FS, 0x555556504380) = 0 set_tid_address(0x555556504650) = 5064 set_robust_list(0x555556504660, 24) = 0 rseq(0x555556504ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3143206761", 4096) = 28 getrandom("\xeb\x98\xa5\x80\x9a\x95\x8f\xec", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556504d00 brk(0x555556525d00) = 0x555556525d00 brk(0x555556526000) = 0x555556526000 mprotect(0x7fb5f1dc3000, 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) = 0x7fb5e9800000 [ 77.138742][ T27] audit: type=1400 audit(1704628400.665:83): avc: denied { execmem } for pid=5064 comm="syz-executor314" 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(0x7fb5e9800000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 77.246930][ T27] audit: type=1400 audit(1704628400.775:84): avc: denied { read write } for pid=5064 comm="syz-executor314" 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 [ 77.260892][ T5064] loop0: detected capacity change from 0 to 8192 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0", 0777) = 0 [ 77.272084][ T27] audit: type=1400 audit(1704628400.775:85): avc: denied { open } for pid=5064 comm="syz-executor314" 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 [ 77.302862][ T27] audit: type=1400 audit(1704628400.775:86): avc: denied { ioctl } for pid=5064 comm="syz-executor314" 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 [ 77.330444][ T27] audit: type=1400 audit(1704628400.855:87): avc: denied { mounton } for pid=5064 comm="syz-executor314" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 77.334596][ T5064] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 77.366547][ T5064] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 77.375993][ T5064] REISERFS (device loop0): using ordered data mode [ 77.382509][ T5064] reiserfs: using flush barriers [ 77.389299][ 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 [ 77.405995][ T5064] REISERFS (device loop0): checking transaction log (loop0) [ 77.460320][ T5064] REISERFS (device loop0): Using r5 hash to sort names [ 77.467624][ T5064] REISERFS (device loop0): using 3.5.x disk format [ 77.476445][ T27] audit: type=1400 audit(1704628401.005:88): 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 [ 77.499274][ T27] audit: type=1400 audit(1704628401.005:89): 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 [ 77.522259][ T27] audit: type=1400 audit(1704628401.005:90): 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 [ 77.539657][ T5064] BUG: unable to handle page fault for address: ffff888078658000 [ 77.552544][ T5064] #PF: supervisor write access in kernel mode [ 77.558591][ T5064] #PF: error_code(0x0003) - permissions violation [ 77.564984][ T5064] PGD 12c01067 P4D 12c01067 PUD 18f48063 PMD 221e2063 PTE 8000000078658121 [ 77.573582][ T5064] Oops: 0003 [#1] PREEMPT SMP KASAN [ 77.578766][ T5064] CPU: 0 PID: 5064 Comm: syz-executor314 Not tainted 6.7.0-rc8-syzkaller-00177-g52b1853b080a #0 [ 77.589177][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 77.599221][ T5064] RIP: 0010:memmove+0x28/0x1b0 [ 77.604003][ 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 [ 77.623689][ T5064] RSP: 0018:ffffc9000335ef20 EFLAGS: 00010286 [ 77.629769][ T5064] RAX: ffff8880731d5fb4 RBX: 0000000000000002 RCX: fffffffffab7df94 [ 77.637740][ T5064] RDX: ffffffffffffffe0 RSI: ffff888078657ff0 RDI: ffff888078658000 [ 77.645955][ T5064] RBP: 0000000000000020 R08: ffff8880731d5f84 R09: 0000766972705f73 [ 77.654051][ T5064] R10: 667265736965722e R11: 0000766972705f73 R12: 0000000000000001 [ 77.662018][ T5064] R13: 0000000000000000 R14: ffff8880731d5fa4 R15: 0000000000000010 [ 77.669981][ T5064] FS: 0000555556504380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 77.678908][ T5064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.685484][ T5064] CR2: ffff888078658000 CR3: 000000007d16c000 CR4: 00000000003506f0 [ 77.693463][ T5064] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.701425][ T5064] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.709561][ T5064] Call Trace: [ 77.712833][ T5064] [ 77.715756][ T5064] ? show_regs+0x8f/0xa0 [ 77.720000][ T5064] ? __die+0x2c/0x80 [ 77.723895][ T5064] ? page_fault_oops+0x398/0xab0 [ 77.728826][ T5064] ? cmp_ex_sort+0xc0/0xc0 [ 77.733330][ T5064] ? dump_pagetable+0x530/0x530 [ 77.738181][ T5064] ? search_extable+0x83/0xb0 [ 77.742855][ T5064] ? is_prefetch.constprop.0+0xb6/0x550 [ 77.748398][ T5064] ? trim_init_extable+0x430/0x430 [ 77.753526][ T5064] ? hlock_class+0x4e/0x130 [ 77.758055][ T5064] ? __module_address+0x55/0x3b0 [ 77.762997][ T5064] ? pgtable_bad+0x80/0x80 [ 77.767428][ T5064] ? memmove+0x28/0x1b0 [ 77.771666][ T5064] ? fixup_exception+0x110/0xc80 [ 77.776602][ T5064] ? kernelmode_fixup_or_oops+0x23c/0x2b0 [ 77.782319][ T5064] ? __bad_area_nosemaphore+0x390/0x6a0 [ 77.787858][ T5064] ? spurious_kernel_fault+0x2f4/0x3c0 [ 77.793319][ T5064] ? do_kern_addr_fault+0x5b/0x80 [ 77.798337][ T5064] ? exc_page_fault+0xae/0xc0 [ 77.803100][ T5064] ? asm_exc_page_fault+0x26/0x30 [ 77.808204][ T5064] ? memmove+0x28/0x1b0 [ 77.812351][ T5064] leaf_paste_entries+0x43c/0x920 [ 77.817384][ T5064] balance_leaf+0x9478/0xcda0 [ 77.822065][ T5064] ? get_num_ver.constprop.0+0xfd0/0xfd0 [ 77.827710][ T5064] ? replace_key+0x150/0x150 [ 77.832415][ T5064] do_balance+0x337/0x840 [ 77.836759][ T5064] ? get_right_neighbor_position+0x170/0x170 [ 77.842753][ T5064] reiserfs_paste_into_item+0x62b/0x7c0 [ 77.848316][ T5064] ? reiserfs_delete_object+0x210/0x210 [ 77.853899][ T5064] ? search_by_entry_key+0x940/0x940 [ 77.859202][ T5064] ? reiserfs_check_path+0x9/0x10 [ 77.864226][ T5064] ? r5_hash+0xaf/0xd0 [ 77.868293][ T5064] ? make_cpu_key+0x26/0x2a0 [ 77.872878][ T5064] reiserfs_add_entry+0x936/0xd70 [ 77.878000][ T5064] ? reiserfs_lookup+0x690/0x690 [ 77.882938][ T5064] ? bit_wait_io_timeout+0x160/0x160 [ 77.888228][ T5064] ? do_journal_begin_r+0xbed/0x12a0 [ 77.893530][ T5064] reiserfs_mkdir+0x68a/0x9a0 [ 77.898214][ T5064] ? reiserfs_mknod+0x740/0x740 [ 77.903066][ T5064] ? lock_sync+0x190/0x190 [ 77.907485][ T5064] ? preempt_count_sub+0x160/0x160 [ 77.912592][ T5064] reiserfs_xattr_init+0x4e3/0xae0 [ 77.917705][ T5064] reiserfs_fill_super+0x2139/0x3160 [ 77.922998][ T5064] ? reiserfs_remount+0x1640/0x1640 [ 77.928194][ T5064] ? up_write+0x510/0x510 [ 77.932521][ T5064] ? lock_sync+0x190/0x190 [ 77.936938][ T5064] ? reiserfs_remount+0x1640/0x1640 [ 77.942133][ T5064] mount_bdev+0x1f3/0x2e0 [ 77.946470][ T5064] ? sget+0x640/0x640 [ 77.950450][ T5064] ? selinux_sb_eat_lsm_opts+0x594/0x700 [ 77.956081][ T5064] ? cap_capable+0x1cf/0x230 [ 77.960760][ T5064] ? reiserfs_kill_sb+0x1e0/0x1e0 [ 77.965779][ T5064] legacy_get_tree+0x109/0x220 [ 77.970536][ T5064] vfs_get_tree+0x8c/0x370 [ 77.974951][ T5064] path_mount+0x1492/0x1ed0 [ 77.979458][ T5064] ? lockdep_hardirqs_on+0x7d/0x110 [ 77.984660][ T5064] ? finish_automount+0xa40/0xa40 [ 77.989703][ T5064] ? putname+0x12e/0x170 [ 77.993951][ T5064] __x64_sys_mount+0x293/0x310 [ 77.998720][ T5064] ? copy_mnt_ns+0xb60/0xb60 [ 78.003310][ T5064] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 78.009548][ T5064] do_syscall_64+0x40/0x110 [ 78.014051][ T5064] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 78.019951][ T5064] RIP: 0033:0x7fb5f1d508ba [ 78.024356][ T5064] Code: 20 00 04 00 01 00 00 00 01 ff 00 00 00 00 00 00 20 00 04 00 01 00 00 00 01 ff 00 00 00 00 00 00 20 00 04 00 01 00 00 00 01 ff <00> 00 00 00 00 00 20 00 04 00 01 00 00 00 01 ff 00 00 00 00 00 00 [ 78.043975][ T5064] RSP: 002b:00007ffe05730718 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 78.052381][ T5064] RAX: ffffffffffffffda RBX: 00007ffe05730730 RCX: 00007fb5f1d508ba [ 78.060346][ T5064] RDX: 0000000020001100 RSI: 0000000020000040 RDI: 00007ffe05730730 [ 78.068312][ T5064] RBP: 0000000000000004 R08: 00007ffe05730770 R09: 00000000000010fb [ 78.076290][ T5064] R10: 0000000000000080 R11: 0000000000000286 R12: 0000000000000080 [ 78.084251][ T5064] R13: 00007ffe05730770 R14: 0000000000000003 R15: 0000000000400000 [ 78.092435][ T5064] [ 78.095452][ T5064] Modules linked in: [ 78.099423][ T5064] CR2: ffff888078658000 [ 78.103565][ T5064] ---[ end trace 0000000000000000 ]--- [ 78.109008][ T5064] RIP: 0010:memmove+0x28/0x1b0 [ 78.113769][ 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 [ 78.133368][ T5064] RSP: 0018:ffffc9000335ef20 EFLAGS: 00010286 [ 78.139455][ T5064] RAX: ffff8880731d5fb4 RBX: 0000000000000002 RCX: fffffffffab7df94 [ 78.147421][ T5064] RDX: ffffffffffffffe0 RSI: ffff888078657ff0 RDI: ffff888078658000 [ 78.155386][ T5064] RBP: 0000000000000020 R08: ffff8880731d5f84 R09: 0000766972705f73 [ 78.163351][ T5064] R10: 667265736965722e R11: 0000766972705f73 R12: 0000000000000001 [ 78.171339][ T5064] R13: 0000000000000000 R14: ffff8880731d5fa4 R15: 0000000000000010 [ 78.179303][ T5064] FS: 0000555556504380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 78.188230][ T5064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.194806][ T5064] CR2: ffff888078658000 CR3: 000000007d16c000 CR4: 00000000003506f0 [ 78.202774][ T5064] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.210738][ T5064] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.218719][ T5064] Kernel panic - not syncing: Fatal exception [ 78.224939][ T5064] Kernel Offset: disabled [ 78.229246][ T5064] Rebooting in 86400 seconds..