./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1540422766 <...> Warning: Permanently added '10.128.0.131' (ED25519) to the list of known hosts. execve("./syz-executor1540422766", ["./syz-executor1540422766"], 0x7fffac6a7ed0 /* 10 vars */) = 0 brk(NULL) = 0x555555d25000 brk(0x555555d25d00) = 0x555555d25d00 arch_prctl(ARCH_SET_FS, 0x555555d25380) = 0 set_tid_address(0x555555d25650) = 5016 set_robust_list(0x555555d25660, 24) = 0 rseq(0x555555d25ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1540422766", 4096) = 28 getrandom("\xea\x3c\xf7\x3b\x00\xd6\x70\x3b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555d25d00 brk(0x555555d46d00) = 0x555555d46d00 brk(0x555555d47000) = 0x555555d47000 mprotect(0x7fa6b05f5000, 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 [ 61.178245][ T26] audit: type=1400 audit(1690045158.297:83): avc: denied { write } for pid=5013 comm="strace-static-x" path="pipe:[29641]" dev="pipefs" ino=29641 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 61.205226][ T26] audit: type=1400 audit(1690045158.327:84): avc: denied { execmem } for pid=5016 comm="syz-executor154" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6a8144000 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(0x7fa6a8144000, 4194304) = 0 [ 61.207207][ T5016] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5016 'syz-executor154' openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0", 0777) = 0 [ 61.271907][ T26] audit: type=1400 audit(1690045158.397:85): avc: denied { read write } for pid=5016 comm="syz-executor154" 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 [ 61.274225][ T5016] loop0: detected capacity change from 0 to 8192 [ 61.296822][ T26] audit: type=1400 audit(1690045158.397:86): avc: denied { open } for pid=5016 comm="syz-executor154" 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 [ 61.313260][ T5016] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 61.328970][ T26] audit: type=1400 audit(1690045158.397:87): avc: denied { ioctl } for pid=5016 comm="syz-executor154" 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 [ 61.367391][ T5016] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 61.367693][ T5016] REISERFS (device loop0): using ordered data mode [ 61.383265][ T5016] reiserfs: using flush barriers [ 61.383281][ T26] audit: type=1400 audit(1690045158.437:88): avc: denied { mounton } for pid=5016 comm="syz-executor154" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 61.389791][ T5016] 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 [ 61.427380][ T5016] REISERFS (device loop0): checking transaction log (loop0) [ 61.436870][ T5016] REISERFS (device loop0): Using r5 hash to sort names [ 61.445049][ T5016] REISERFS panic (device loop0): vs-13065 update_stat_data: key [1 2 0x0 DIRECT], found item *3.6* [1 2 0x0 DIRECT], item_len 44, item_location 4052, free_space(entry_count) 0 [ 61.462837][ T5016] ------------[ cut here ]------------ [ 61.468325][ T5016] kernel BUG at fs/reiserfs/prints.c:390! [ 61.474199][ T5016] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 61.480283][ T5016] CPU: 0 PID: 5016 Comm: syz-executor154 Not tainted 6.5.0-rc2-syzkaller-00307-gd192f5382581 #0 [ 61.490684][ T5016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 61.500960][ T5016] RIP: 0010:__reiserfs_panic+0x100/0x150 [ 61.506605][ T5016] Code: 64 ff 4d 89 e8 4c 89 f1 4c 89 e2 48 8d b3 58 06 00 00 49 c7 c1 40 ef 23 92 48 c7 c7 c0 de 81 8a e8 35 83 47 ff e8 a0 20 64 ff <0f> 0b 49 c7 c6 60 dd 81 8a 4d 89 f4 eb c5 e8 8d 20 64 ff 4d 85 e4 [ 61.526306][ T5016] RSP: 0018:ffffc900033af6f0 EFLAGS: 00010293 [ 61.532372][ T5016] RAX: 0000000000000000 RBX: ffff88807a072000 RCX: 0000000000000000 [ 61.540514][ T5016] RDX: ffff888018fe0200 RSI: ffffffff82216830 RDI: 0000000000000005 [ 61.548477][ T5016] RBP: ffffc900033af7c0 R08: 0000000000000005 R09: 0000000000000000 [ 61.556443][ T5016] R10: 0000000080000000 R11: 0000000000000001 R12: ffffffff8a816fc0 [ 61.564839][ T5016] R13: ffffffff8a817d20 R14: ffffffff8a81dd20 R15: ffff888071b63e80 [ 61.572801][ T5016] FS: 0000555555d25380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 61.581726][ T5016] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.588305][ T5016] CR2: 00007fff6d8dd000 CR3: 000000002d488000 CR4: 00000000003506f0 [ 61.596275][ T5016] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.604237][ T5016] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.612201][ T5016] Call Trace: [ 61.615470][ T5016] [ 61.618408][ T5016] ? die+0x31/0x80 [ 61.622147][ T5016] ? do_trap+0x1ab/0x3b0 [ 61.626406][ T5016] ? __reiserfs_panic+0x100/0x150 [ 61.631436][ T5016] ? do_error_trap+0x9e/0x160 [ 61.636112][ T5016] ? __reiserfs_panic+0x100/0x150 [ 61.641150][ T5016] ? handle_invalid_op+0x2c/0x30 [ 61.646086][ T5016] ? __reiserfs_panic+0x100/0x150 [ 61.651125][ T5016] ? exc_invalid_op+0x2d/0x40 [ 61.655831][ T5016] ? asm_exc_invalid_op+0x1a/0x20 [ 61.660849][ T5016] ? __reiserfs_panic+0x100/0x150 [ 61.665899][ T5016] ? __reiserfs_panic+0x100/0x150 [ 61.671100][ T5016] ? reiserfs_debug+0x10/0x10 [ 61.675866][ T5016] reiserfs_update_sd_size+0x765/0xcc0 [ 61.681332][ T5016] ? make_le_item_head+0x580/0x580 [ 61.686446][ T5016] ? reiserfs_mkdir+0x6d5/0x9a0 [ 61.691294][ T5016] reiserfs_mkdir+0x6d5/0x9a0 [ 61.695974][ T5016] ? reiserfs_mknod+0x740/0x740 [ 61.700819][ T5016] ? reiserfs_lookup_privroot+0x19b/0x200 [ 61.706547][ T5016] ? down_write_killable_nested+0x250/0x250 [ 61.712443][ T5016] reiserfs_xattr_init+0x57f/0xbb0 [ 61.717566][ T5016] reiserfs_fill_super+0x2139/0x3150 [ 61.722869][ T5016] ? reiserfs_remount+0x1640/0x1640 [ 61.728070][ T5016] ? reacquire_held_locks+0x4b0/0x4b0 [ 61.733450][ T5016] ? snprintf+0xc8/0x100 [ 61.737696][ T5016] ? reiserfs_remount+0x1640/0x1640 [ 61.742905][ T5016] mount_bdev+0x30d/0x3d0 [ 61.747233][ T5016] ? reiserfs_kill_sb+0x1e0/0x1e0 [ 61.752257][ T5016] legacy_get_tree+0x109/0x220 [ 61.757043][ T5016] vfs_get_tree+0x88/0x350 [ 61.761464][ T5016] path_mount+0x1492/0x1ed0 [ 61.765965][ T5016] ? lockdep_hardirqs_on+0x7d/0x100 [ 61.771161][ T5016] ? finish_automount+0xa50/0xa50 [ 61.776181][ T5016] ? putname+0x101/0x140 [ 61.780421][ T5016] __x64_sys_mount+0x293/0x310 [ 61.785202][ T5016] ? copy_mnt_ns+0xb60/0xb60 [ 61.789804][ T5016] ? lockdep_hardirqs_on+0x7d/0x100 [ 61.795021][ T5016] ? _raw_spin_unlock_irq+0x2e/0x50 [ 61.800237][ T5016] ? ptrace_notify+0xf4/0x130 [ 61.804995][ T5016] do_syscall_64+0x38/0xb0 [ 61.809431][ T5016] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.815880][ T5016] RIP: 0033:0x7fa6b05828ba [ 61.820311][ T5016] 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 [ 61.840196][ T5016] RSP: 002b:00007fff6d8dc178 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 61.848619][ T5016] RAX: ffffffffffffffda RBX: 00007fff6d8dc190 RCX: 00007fa6b05828ba [ 61.856585][ T5016] RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007fff6d8dc190 [ 61.864547][ T5016] RBP: 0000000000000004 R08: 00007fff6d8dc1d0 R09: 0000000000001105 [ 61.872513][ T5016] R10: 0000000000208000 R11: 0000000000000286 R12: 0000000000208000 [ 61.880825][ T5016] R13: 00007fff6d8dc1d0 R14: 0000000000000003 R15: 0000000000400000 [ 61.888799][ T5016] [ 61.891814][ T5016] Modules linked in: [ 61.896055][ T5016] ---[ end trace 0000000000000000 ]--- [ 61.900906][ T26] audit: type=1400 audit(1690045159.027:89): avc: denied { append } for pid=4448 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 [ 61.901588][ T5016] RIP: 0010:__reiserfs_panic+0x100/0x150 [ 61.923931][ T26] audit: type=1400 audit(1690045159.027:90): avc: denied { open } for pid=4448 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 [ 61.929184][ T5016] Code: 64 ff 4d 89 e8 4c 89 f1 4c 89 e2 48 8d b3 58 06 00 00 49 c7 c1 40 ef 23 92 48 c7 c7 c0 de 81 8a e8 35 83 47 ff e8 a0 20 64 ff <0f> 0b 49 c7 c6 60 dd 81 8a 4d 89 f4 eb c5 e8 8d 20 64 ff 4d 85 e4 [ 61.951854][ T26] audit: type=1400 audit(1690045159.027:91): avc: denied { getattr } for pid=4448 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 [ 61.979525][ T5016] RSP: 0018:ffffc900033af6f0 EFLAGS: 00010293 [ 62.008245][ T5016] RAX: 0000000000000000 RBX: ffff88807a072000 RCX: 0000000000000000 [ 62.016257][ T5016] RDX: ffff888018fe0200 RSI: ffffffff82216830 RDI: 0000000000000005 [ 62.024243][ T5016] RBP: ffffc900033af7c0 R08: 0000000000000005 R09: 0000000000000000 [ 62.032240][ T5016] R10: 0000000080000000 R11: 0000000000000001 R12: ffffffff8a816fc0 [ 62.040256][ T5016] R13: ffffffff8a817d20 R14: ffffffff8a81dd20 R15: ffff888071b63e80 [ 62.048236][ T5016] FS: 0000555555d25380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 62.057225][ T5016] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.063920][ T5016] CR2: 00007fff6d8dd000 CR3: 000000002d488000 CR4: 00000000003506f0 [ 62.071946][ T5016] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.079945][ T5016] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.087922][ T5016] Kernel panic - not syncing: Fatal exception [ 62.094196][ T5016] Kernel Offset: disabled [ 62.098514][ T5016] Rebooting in 86400 seconds..