./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1003176163 <...> Warning: Permanently added '10.128.1.33' (ED25519) to the list of known hosts. execve("./syz-executor1003176163", ["./syz-executor1003176163"], 0x7fff3b3938c0 /* 10 vars */) = 0 brk(NULL) = 0x55555635d000 brk(0x55555635dd00) = 0x55555635dd00 arch_prctl(ARCH_SET_FS, 0x55555635d380) = 0 set_tid_address(0x55555635d650) = 5053 set_robust_list(0x55555635d660, 24) = 0 rseq(0x55555635dca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1003176163", 4096) = 28 getrandom("\x84\x6f\xac\xec\x8c\x72\xa5\x7e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555635dd00 brk(0x55555637ed00) = 0x55555637ed00 brk(0x55555637f000) = 0x55555637f000 mprotect(0x7f185fb11000, 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 [ 70.576519][ T27] audit: type=1400 audit(1703667876.077:83): avc: denied { execmem } for pid=5053 comm="syz-executor100" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1857660000 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(0x7f1857660000, 138412032) = 0 [ 70.606376][ T27] audit: type=1400 audit(1703667876.107:84): avc: denied { append } for pid=4491 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 [ 70.628938][ T27] audit: type=1400 audit(1703667876.107:85): avc: denied { open } for pid=4491 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 [ 70.652182][ T27] audit: type=1400 audit(1703667876.107:86): avc: denied { getattr } for pid=4491 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 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 70.693056][ T27] audit: type=1400 audit(1703667876.187:87): avc: denied { read write } for pid=5053 comm="syz-executor100" 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 [ 70.707488][ T5053] loop0: detected capacity change from 0 to 8192 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file1", 0777) = 0 [ 70.717447][ T27] audit: type=1400 audit(1703667876.187:88): avc: denied { open } for pid=5053 comm="syz-executor100" 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 [ 70.748007][ T27] audit: type=1400 audit(1703667876.207:89): avc: denied { ioctl } for pid=5053 comm="syz-executor100" 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 [ 70.773865][ T27] audit: type=1400 audit(1703667876.247:90): avc: denied { mounton } for pid=5053 comm="syz-executor100" path="/root/file1" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 70.778457][ T5053] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 70.809718][ T5053] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 70.819118][ T5053] REISERFS (device loop0): using ordered data mode [ 70.825642][ T5053] reiserfs: using flush barriers [ 70.832277][ T5053] 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 [ 70.848953][ T5053] REISERFS (device loop0): checking transaction log (loop0) [ 70.858723][ T5053] REISERFS (device loop0): Using r5 hash to sort names [ 70.865829][ T5053] REISERFS (device loop0): using 3.5.x disk format [ 70.887848][ T5053] BUG: unable to handle page fault for address: ffff8880754a3000 [ 70.895568][ T5053] #PF: supervisor write access in kernel mode [ 70.901612][ T5053] #PF: error_code(0x0003) - permissions violation [ 70.908000][ T5053] PGD 12c01067 P4D 12c01067 PUD 7b824063 PMD 1f493063 PTE 80000000754a3121 [ 70.916585][ T5053] Oops: 0003 [#1] PREEMPT SMP KASAN [ 70.921770][ T5053] CPU: 0 PID: 5053 Comm: syz-executor100 Not tainted 6.7.0-rc7-syzkaller-00003-gfbafc3e621c3 #0 [ 70.932158][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 70.942198][ T5053] RIP: 0010:memmove+0x28/0x1b0 [ 70.946963][ T5053] 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 [ 70.966638][ T5053] RSP: 0018:ffffc9000343ef20 EFLAGS: 00010286 [ 70.972686][ T5053] RAX: ffff8880734a0fb4 RBX: 0000000000000002 RCX: fffffffffdffdf94 [ 70.980639][ T5053] RDX: ffffffffffffffe0 RSI: ffff8880754a2ff0 RDI: ffff8880754a3000 [ 70.988591][ T5053] RBP: 0000000000000020 R08: ffff8880734a0f84 R09: 0000766972705f73 [ 70.996540][ T5053] R10: 667265736965722e R11: 0000766972705f73 R12: 0000000000000001 [ 71.004491][ T5053] R13: 0000000000000000 R14: ffff8880734a0fa4 R15: 0000000000000010 [ 71.012443][ T5053] FS: 000055555635d380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 71.021356][ T5053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.027921][ T5053] CR2: ffff8880754a3000 CR3: 00000000202dc000 CR4: 00000000003506f0 [ 71.035875][ T5053] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.043826][ T5053] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.051777][ T5053] Call Trace: [ 71.055040][ T5053] [ 71.057951][ T5053] ? show_regs+0x8f/0xa0 [ 71.062182][ T5053] ? __die+0x2c/0x80 [ 71.066059][ T5053] ? page_fault_oops+0x398/0xab0 [ 71.070985][ T5053] ? cmp_ex_sort+0xc0/0xc0 [ 71.075391][ T5053] ? dump_pagetable+0x530/0x530 [ 71.080225][ T5053] ? search_extable+0x83/0xb0 [ 71.084898][ T5053] ? is_prefetch.constprop.0+0xb6/0x550 [ 71.090423][ T5053] ? trim_init_extable+0x430/0x430 [ 71.095513][ T5053] ? hlock_class+0x4e/0x130 [ 71.099998][ T5053] ? __module_address+0x55/0x3b0 [ 71.104919][ T5053] ? pgtable_bad+0x80/0x80 [ 71.109314][ T5053] ? memmove+0x28/0x1b0 [ 71.113448][ T5053] ? fixup_exception+0x110/0xc80 [ 71.118366][ T5053] ? kernelmode_fixup_or_oops+0x23c/0x2b0 [ 71.124066][ T5053] ? __bad_area_nosemaphore+0x390/0x6a0 [ 71.129596][ T5053] ? spurious_kernel_fault+0x2f4/0x3c0 [ 71.135039][ T5053] ? do_kern_addr_fault+0x5b/0x80 [ 71.140043][ T5053] ? exc_page_fault+0xae/0xc0 [ 71.144716][ T5053] ? asm_exc_page_fault+0x26/0x30 [ 71.149726][ T5053] ? memmove+0x28/0x1b0 [ 71.153864][ T5053] leaf_paste_entries+0x43c/0x920 [ 71.158892][ T5053] balance_leaf+0x9478/0xcda0 [ 71.163646][ T5053] ? get_num_ver.constprop.0+0xfd0/0xfd0 [ 71.169261][ T5053] ? replace_key+0x150/0x150 [ 71.173868][ T5053] do_balance+0x337/0x840 [ 71.178185][ T5053] ? get_right_neighbor_position+0x170/0x170 [ 71.184152][ T5053] reiserfs_paste_into_item+0x62b/0x7c0 [ 71.189690][ T5053] ? reiserfs_delete_object+0x210/0x210 [ 71.195229][ T5053] ? search_by_entry_key+0x940/0x940 [ 71.200498][ T5053] ? reiserfs_check_path+0x9/0x10 [ 71.205506][ T5053] ? r5_hash+0xaf/0xd0 [ 71.209563][ T5053] ? make_cpu_key+0x26/0x2a0 [ 71.214130][ T5053] reiserfs_add_entry+0x936/0xd70 [ 71.219146][ T5053] ? reiserfs_lookup+0x690/0x690 [ 71.224073][ T5053] ? bit_wait_io_timeout+0x160/0x160 [ 71.229360][ T5053] ? do_journal_begin_r+0xbed/0x12a0 [ 71.234647][ T5053] reiserfs_mkdir+0x68a/0x9a0 [ 71.239308][ T5053] ? reiserfs_mknod+0x740/0x740 [ 71.244153][ T5053] ? lock_sync+0x190/0x190 [ 71.248566][ T5053] ? preempt_count_sub+0x160/0x160 [ 71.253678][ T5053] reiserfs_xattr_init+0x4e3/0xae0 [ 71.258776][ T5053] reiserfs_fill_super+0x2139/0x3160 [ 71.264047][ T5053] ? reiserfs_remount+0x1640/0x1640 [ 71.269228][ T5053] ? up_write+0x510/0x510 [ 71.273540][ T5053] ? lock_sync+0x190/0x190 [ 71.277950][ T5053] ? reiserfs_remount+0x1640/0x1640 [ 71.283134][ T5053] mount_bdev+0x1f3/0x2e0 [ 71.287452][ T5053] ? sget+0x640/0x640 [ 71.291422][ T5053] ? selinux_sb_eat_lsm_opts+0x594/0x700 [ 71.297039][ T5053] ? cap_capable+0x1cf/0x230 [ 71.301619][ T5053] ? reiserfs_kill_sb+0x1e0/0x1e0 [ 71.306631][ T5053] legacy_get_tree+0x109/0x220 [ 71.311380][ T5053] vfs_get_tree+0x8c/0x370 [ 71.315782][ T5053] path_mount+0x1492/0x1ed0 [ 71.320274][ T5053] ? lockdep_hardirqs_on+0x7d/0x110 [ 71.325459][ T5053] ? finish_automount+0xa40/0xa40 [ 71.330466][ T5053] ? putname+0x12e/0x170 [ 71.334705][ T5053] __x64_sys_mount+0x293/0x310 [ 71.339455][ T5053] ? copy_mnt_ns+0xb60/0xb60 [ 71.344029][ T5053] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 71.350258][ T5053] do_syscall_64+0x40/0x110 [ 71.354743][ T5053] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 71.360626][ T5053] RIP: 0033:0x7f185fa9e8ba [ 71.365020][ T5053] 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 [ 71.384616][ T5053] RSP: 002b:00007ffdfc80dbb8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 71.393010][ T5053] RAX: ffffffffffffffda RBX: 00007ffdfc80dbd0 RCX: 00007f185fa9e8ba [ 71.400964][ T5053] RDX: 0000000020001100 RSI: 0000000020000040 RDI: 00007ffdfc80dbd0 [ 71.409004][ T5053] RBP: 0000000000000004 R08: 00007ffdfc80dc10 R09: 0000000000001108 [ 71.416955][ T5053] R10: 0000000002000480 R11: 0000000000000286 R12: 0000000002000480 [ 71.424907][ T5053] R13: 00007ffdfc80dc10 R14: 0000000000000003 R15: 0000000000400000 [ 71.432860][ T5053] [ 71.435861][ T5053] Modules linked in: [ 71.439733][ T5053] CR2: ffff8880754a3000 [ 71.443860][ T5053] ---[ end trace 0000000000000000 ]--- [ 71.449289][ T5053] RIP: 0010:memmove+0x28/0x1b0 [ 71.454035][ T5053] 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 [ 71.473624][ T5053] RSP: 0018:ffffc9000343ef20 EFLAGS: 00010286 [ 71.479671][ T5053] RAX: ffff8880734a0fb4 RBX: 0000000000000002 RCX: fffffffffdffdf94 [ 71.487623][ T5053] RDX: ffffffffffffffe0 RSI: ffff8880754a2ff0 RDI: ffff8880754a3000 [ 71.495575][ T5053] RBP: 0000000000000020 R08: ffff8880734a0f84 R09: 0000766972705f73 [ 71.503527][ T5053] R10: 667265736965722e R11: 0000766972705f73 R12: 0000000000000001 [ 71.511477][ T5053] R13: 0000000000000000 R14: ffff8880734a0fa4 R15: 0000000000000010 [ 71.519425][ T5053] FS: 000055555635d380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 71.528333][ T5053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.534899][ T5053] CR2: ffff8880754a3000 CR3: 00000000202dc000 CR4: 00000000003506f0 [ 71.542853][ T5053] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.550818][ T5053] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.558769][ T5053] Kernel panic - not syncing: Fatal exception [ 71.565032][ T5053] Kernel Offset: disabled [ 71.569344][ T5053] Rebooting in 86400 seconds..