./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1462726692

<...>
Warning: Permanently added '10.128.1.134' (ED25519) to the list of known hosts.
execve("./syz-executor1462726692", ["./syz-executor1462726692"], 0x7ffecbfef830 /* 10 vars */) = 0
brk(NULL)                               = 0x55555564a000
brk(0x55555564ad00)                     = 0x55555564ad00
arch_prctl(ARCH_SET_FS, 0x55555564a380) = 0
set_tid_address(0x55555564a650)         = 295
set_robust_list(0x55555564a660, 24)     = 0
rseq(0x55555564aca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1462726692", 4096) = 28
getrandom("\x3a\x72\xb2\x1c\xb7\xc9\x66\x32", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55555564ad00
brk(0x55555566bd00)                     = 0x55555566bd00
brk(0x55555566c000)                     = 0x55555566c000
mprotect(0x7feee5069000, 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) = 0x7feedcbb8000
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"..., 262144) = 262144
munmap(0x7feedcbb8000, 262144)          = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 4
ioctl(4, LOOP_SET_FD, 3)                = 0
close(3)                                = 0
mkdir("./file1", 0777)                  = 0
[   22.555305][   T28] audit: type=1400 audit(1689333691.876:66): avc:  denied  { execmem } for  pid=295 comm="syz-executor146" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   22.560838][  T295] loop0: detected capacity change from 0 to 512
[   22.561484][   T28] audit: type=1400 audit(1689333691.876:67): avc:  denied  { read write } for  pid=295 comm="syz-executor146" name="loop0" dev="devtmpfs" ino=114 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[   22.568497][   T28] audit: type=1400 audit(1689333691.876:68): avc:  denied  { open } for  pid=295 comm="syz-executor146" path="/dev/loop0" dev="devtmpfs" ino=114 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[   22.574165][   T28] audit: type=1400 audit(1689333691.876:69): avc:  denied  { ioctl } for  pid=295 comm="syz-executor146" path="/dev/loop0" dev="devtmpfs" ino=114 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[   22.574835][  T295] EXT4-fs (loop0): 1 orphan inode deleted
[   22.594975][   T28] audit: type=1400 audit(1689333691.886:70): avc:  denied  { mounton } for  pid=295 comm="syz-executor146" path="/root/file1" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   22.599603][  T295] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.
[   22.631172][   T28] audit: type=1400 audit(1689333691.956:71): avc:  denied  { mount } for  pid=295 comm="syz-executor146" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
mount("/dev/loop0", "./file1", "ext4", MS_REC, ",errors=continue") = 0
openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
chdir("./file1")                        = 0
ioctl(4, LOOP_CLR_FD)                   = 0
close(4)                                = 0
open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
fallocate(4, 0, 67143319, 55963)        = 0
mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = 0
open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5
write(5, "\x00\x00\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x35\x93\xf9\x57\x36\xef\x32\x02\x20\x6b\x70\x72\xf0\xf6\xfe\x00\x52\xcb\x7d\xbf\xc3\xdd\x31\xe3\x1b\xff\xaf\x78\x04\xd9\x6e\x2c\xf8\xc2\x55\x79\x64\xda\xba\x69\xef\xd0\x77\x4c\x9d\x36\x4a\xcc\xf7\x3d\x13\xf9\xb2\xb6\x00\x40\x05\x8a\xc6\x1c\x4e\xab\xde\xb9\x28\x10\xed\x13\x35\x63\x4e\x38\xed\x83\xee\xc2\x2e\x8b\x55"..., 34136651) = 262144
exit_group(0)                           = ?
[   22.631189][  T295] ext4 filesystem being mounted at /root/file1 supports timestamps until 2038 (0x7fffffff)
[   22.667243][   T28] audit: type=1400 audit(1689333691.996:72): avc:  denied  { write } for  pid=295 comm="syz-executor146" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[   22.675917][  T295] ------------[ cut here ]------------
[   22.694224][  T295] kernel BUG at fs/ext4/ext4.h:3331!
[   22.694572][   T28] audit: type=1400 audit(1689333691.996:73): avc:  denied  { add_name } for  pid=295 comm="syz-executor146" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[   22.702991][  T295] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   22.723790][   T28] audit: type=1400 audit(1689333691.996:74): avc:  denied  { create } for  pid=295 comm="syz-executor146" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[   22.725793][  T295] CPU: 0 PID: 295 Comm: syz-executor146 Not tainted 6.1.25-syzkaller-00026-g5e7421101fe2 #0
[   22.746260][   T28] audit: type=1400 audit(1689333691.996:75): avc:  denied  { read write open } for  pid=295 comm="syz-executor146" path="/root/file1/bus" dev="loop0" ino=16 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[   22.755774][  T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
[   22.755786][  T295] RIP: 0010:ext4_mb_load_buddy_gfp+0xef8/0xf10
[   22.755814][  T295] Code: 9e 37 c6 ff e9 de f3 ff ff e8 d4 1a 80 ff 48 c7 c7 20 fa cb 86 4c 89 ee 48 89 da e8 72 c6 a8 00 e9 50 f2 ff ff e8 b8 1a 80 ff <0f> 0b e8 b1 1a 80 ff 0f 0b e8 aa 1a 80 ff 0f 0b 0f 1f 84 00 00 00
[   22.815011][  T295] RSP: 0018:ffffc90000e07988 EFLAGS: 00010293
[   22.820919][  T295] RAX: ffffffff81f4ca58 RBX: 0000000000000001 RCX: ffff8881219ee540
[   22.828742][  T295] RDX: 0000000000000000 RSI: 0000000020457be0 RDI: 0000000000000001
[   22.836747][  T295] RBP: ffffc90000e07a10 R08: ffffffff81f4bc4c R09: ffffed10200ac7b0
[   22.844644][  T295] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000020457be0
[   22.852454][  T295] R13: ffff88811df8e000 R14: ffff88811cf913c8 R15: ffff88811cf91018
[   22.860264][  T295] FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   22.869112][  T295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.875534][  T295] CR2: 000056200aaa53f0 CR3: 0000000121c50000 CR4: 00000000003506b0
[   22.883349][  T295] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.891167][  T295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.898975][  T295] Call Trace:
[   22.902097][  T295]  <TASK>
[   22.905132][  T295]  ? _raw_spin_trylock_bh+0x190/0x190
[   22.910331][  T295]  ext4_discard_preallocations+0x79c/0xef0
[   22.916187][  T295]  ? mb_clear_bits+0x130/0x130
[   22.921373][  T295]  ? rwsem_write_trylock+0x15b/0x290
[   22.926938][  T295]  ? __kasan_slab_free+0x11/0x20
[   22.931702][  T295]  ext4_release_file+0x16e/0x310
[   22.936480][  T295]  ? ext4_file_open+0x750/0x750
[   22.941146][  T295]  __fput+0x3ab/0x870
[   22.945154][  T295]  ____fput+0x15/0x20
[   22.948959][  T295]  task_work_run+0x24d/0x2e0
[   22.953684][  T295]  ? task_work_cancel+0x2b0/0x2b0
[   22.958552][  T295]  ? __kasan_check_write+0x14/0x20
[   22.963628][  T295]  ? exit_task_namespaces+0xc2/0xd0
[   22.968660][  T295]  do_exit+0xbc5/0x2a40
[   22.972650][  T295]  ? put_task_struct+0x80/0x80
[   22.977350][  T295]  ? __kasan_check_write+0x14/0x20
[   22.982296][  T295]  ? _raw_spin_lock_irq+0xa5/0x1b0
[   22.987246][  T295]  ? _raw_spin_lock_irqsave+0x210/0x210
[   22.992617][  T295]  ? zap_other_threads+0x29c/0x2d0
[   22.997563][  T295]  ? __kasan_check_write+0x14/0x20
[   23.002522][  T295]  do_group_exit+0x21a/0x2d0
[   23.006929][  T295]  __x64_sys_exit_group+0x3f/0x40
[   23.011801][  T295]  do_syscall_64+0x3d/0xb0
[   23.016128][  T295]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   23.021878][  T295] RIP: 0033:0x7feee4ff4279
[   23.026236][  T295] Code: Unable to access opcode bytes at 0x7feee4ff424f.
[   23.033196][  T295] RSP: 002b:00007ffcb8bfcb78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   23.041530][  T295] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007feee4ff4279
[   23.049354][  T295] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[   23.057164][  T295] RBP: 00007feee506f370 R08: ffffffffffffffb8 R09: 00007ffcb8bfcd98
[   23.065104][  T295] R10: 0000000000000012 R11: 0000000000000246 R12: 00007feee506f370
[   23.072977][  T295] R13: 0000000000000000 R14: 00007feee50700e0 R15: 00007feee4fc2b40
[   23.080819][  T295]  </TASK>
[   23.083645][  T295] Modules linked in:
[   23.088229][  T295] ---[ end trace 0000000000000000 ]---
[   23.093543][  T295] RIP: 0010:ext4_mb_load_buddy_gfp+0xef8/0xf10
[   23.100110][  T295] Code: 9e 37 c6 ff e9 de f3 ff ff e8 d4 1a 80 ff 48 c7 c7 20 fa cb 86 4c 89 ee 48 89 da e8 72 c6 a8 00 e9 50 f2 ff ff e8 b8 1a 80 ff <0f> 0b e8 b1 1a 80 ff 0f 0b e8 aa 1a 80 ff 0f 0b 0f 1f 84 00 00 00
[   23.119687][  T295] RSP: 0018:ffffc90000e07988 EFLAGS: 00010293
[   23.125755][  T295] RAX: ffffffff81f4ca58 RBX: 0000000000000001 RCX: ffff8881219ee540
[   23.133566][  T295] RDX: 0000000000000000 RSI: 0000000020457be0 RDI: 0000000000000001
[   23.141313][  T295] RBP: ffffc90000e07a10 R08: ffffffff81f4bc4c R09: ffffed10200ac7b0
[   23.149195][  T295] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000020457be0
[   23.156954][  T295] R13: ffff88811df8e000 R14: ffff88811cf913c8 R15: ffff88811cf91018
[   23.165366][  T295] FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   23.174202][  T295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.180539][  T295] CR2: 000056200aaa53f0 CR3: 0000000121c50000 CR4: 00000000003506b0
[   23.188407][  T295] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.196183][  T295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.204058][  T295] Kernel panic - not syncing: Fatal exception
[   23.210114][  T295] Kernel Offset: disabled
[   23.214249][  T295] Rebooting in 86400 seconds..