./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor61539195
<...>
[ 3.596878][ T28] audit: type=1400 audit(1695549355.401:10): avc: denied { getattr } for pid=83 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[ 3.610374][ T85] acpid (85) used greatest stack depth: 22352 bytes left
[ 3.887727][ T100] udevd[100]: starting version 3.2.11
[ 3.913099][ T101] udevd[101]: starting eudev-3.2.11
[ 11.822305][ T28] kauditd_printk_skb: 50 callbacks suppressed
[ 11.822318][ T28] audit: type=1400 audit(1695549363.651:61): avc: denied { transition } for pid=223 comm="sshd" path="/bin/sh" dev="sda1" ino=89 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 11.826386][ T28] audit: type=1400 audit(1695549363.661:62): avc: denied { noatsecure } for pid=223 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 11.831759][ T28] audit: type=1400 audit(1695549363.661:63): avc: denied { write } for pid=223 comm="sh" path="pipe:[12588]" dev="pipefs" ino=12588 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[ 11.839303][ T28] audit: type=1400 audit(1695549363.661:64): avc: denied { rlimitinh } for pid=223 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 11.843755][ T28] audit: type=1400 audit(1695549363.661:65): avc: denied { siginh } for pid=223 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.0.223' (ED25519) to the list of known hosts.
execve("./syz-executor61539195", ["./syz-executor61539195"], 0x7ffc7fe1e740 /* 10 vars */) = 0
brk(NULL) = 0x555557245000
brk(0x555557245d00) = 0x555557245d00
arch_prctl(ARCH_SET_FS, 0x555557245380) = 0
set_tid_address(0x555557245650) = 294
set_robust_list(0x555557245660, 24) = 0
rseq(0x555557245ca0, 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-executor61539195", 4096) = 26
getrandom("\xe3\xfa\x0a\x44\x0f\xcf\xed\x2f", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555557245d00
brk(0x555557266d00) = 0x555557266d00
brk(0x555557267000) = 0x555557267000
mprotect(0x7ff97c100000, 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
openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3
write(3, "0", 1) = 1
close(3) = 0
mkdir("./syzkaller.dnjh0o", 0700) = 0
chmod("./syzkaller.dnjh0o", 0777) = 0
chdir("./syzkaller.dnjh0o") = 0
memfd_create("syzkaller", 0) = 3
mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff973c4e000
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(0x7ff973c4e000, 262144) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
mkdir("./file1", 0777) = 0
[ 21.738563][ T28] audit: type=1400 audit(1695549373.571:66): avc: denied { execmem } for pid=294 comm="syz-executor615" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 21.748291][ T28] audit: type=1400 audit(1695549373.581:67): avc: denied { read write } for pid=294 comm="syz-executor615" 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
[ 21.752211][ T28] audit: type=1400 audit(1695549373.581:68): avc: denied { open } for pid=294 comm="syz-executor615" 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
[ 21.755437][ T294] loop0: detected capacity change from 0 to 512
[ 21.757122][ T28] audit: type=1400 audit(1695549373.591:69): avc: denied { ioctl } for pid=294 comm="syz-executor615" 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
[ 21.782008][ T28] audit: type=1400 audit(1695549373.591:70): avc: denied { mounton } for pid=294 comm="syz-executor615" path="/root/syzkaller.dnjh0o/file1" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 21.787231][ T294] EXT4-fs (loop0): 1 orphan inode deleted
[ 21.811645][ T294] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.
mount("/dev/loop0", "./file1", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|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
fallocate(4, 0, 0, 7) = 0
open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5
openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 6
write(6, "4", 1) = 1
[ 21.820585][ T28] audit: type=1400 audit(1695549373.651:71): avc: denied { mount } for pid=294 comm="syz-executor615" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[ 21.824430][ T294] ext4 filesystem being mounted at /root/syzkaller.dnjh0o/file1 supports timestamps until 2038 (0x7fffffff)
[ 21.858426][ T294] FAULT_INJECTION: forcing a failure.
[ 21.858426][ T294] name fail_usercopy, interval 1, probability 0, space 0, times 1
[ 21.861457][ T28] audit: type=1400 audit(1695549373.691:72): avc: denied { write } for pid=294 comm="syz-executor615" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[ 21.871425][ T294] CPU: 1 PID: 294 Comm: syz-executor615 Not tainted 6.1.25-syzkaller-00044-g060ebb378d1c #0
[ 21.893172][ T28] audit: type=1400 audit(1695549373.691:73): avc: denied { add_name } for pid=294 comm="syz-executor615" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[ 21.902989][ T294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[ 21.903002][ T294] Call Trace:
[ 21.903008][ T294]
[ 21.903016][ T294] dump_stack_lvl+0x151/0x1b7
[ 21.924150][ T28] audit: type=1400 audit(1695549373.691:74): avc: denied { create } for pid=294 comm="syz-executor615" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[ 21.933368][ T294] ? nf_tcp_handle_invalid+0x3f1/0x3f1
[ 21.936839][ T28] audit: type=1400 audit(1695549373.691:75): avc: denied { read write open } for pid=294 comm="syz-executor615" path="/root/syzkaller.dnjh0o/file1/bus" dev="loop0" ino=16 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[ 21.939354][ T294] ? ext4_write_begin+0xe28/0xfb0
[ 21.999075][ T294] dump_stack+0x15/0x17
[ 22.003060][ T294] should_fail_ex+0x3d0/0x520
[ 22.007576][ T294] should_fail+0xb/0x10
[ 22.011569][ T294] should_fail_usercopy+0x1a/0x20
[ 22.016427][ T294] copy_page_from_iter_atomic+0x349/0x10b0
[ 22.022067][ T294] ? fault_in_readable+0x172/0x2d0
[ 22.027015][ T294] ? ext4_da_write_begin+0x2ff/0x920
[ 22.032228][ T294] ? pipe_zero+0x220/0x220
[ 22.036475][ T294] ? file_remove_privs+0x20/0x20
[ 22.041250][ T294] ? ext4_dirty_folio+0xf0/0xf0
[ 22.045943][ T294] ? current_time+0x1d1/0x2f0
[ 22.050456][ T294] generic_perform_write+0x369/0x5c0
[ 22.055575][ T294] ? generic_file_direct_write+0x6b0/0x6b0
[ 22.061215][ T294] ? generic_write_checks_count+0x490/0x490
[ 22.066947][ T294] ? __this_cpu_preempt_check+0x13/0x20
[ 22.072320][ T294] ? xfd_validate_state+0x6f/0x170
[ 22.077272][ T294] ext4_buffered_write_iter+0x360/0x640
[ 22.082649][ T294] ? __kasan_check_write+0x14/0x20
[ 22.087601][ T294] ext4_file_write_iter+0x194/0x1cf0
[ 22.092719][ T294] ? compat_start_thread+0x20/0x20
[ 22.097671][ T294] ? __update_idle_core+0x310/0x310
[ 22.102701][ T294] ? avc_policy_seqno+0x1b/0x70
[ 22.107385][ T294] ? ext4_file_read_iter+0x470/0x470
[ 22.112508][ T294] ? fsnotify_perm+0x6a/0x5d0
[ 22.117019][ T294] vfs_write+0x902/0xeb0
[ 22.121103][ T294] ? file_end_write+0x1c0/0x1c0
[ 22.125786][ T294] ? ptrace_stop+0x709/0x930
[ 22.130214][ T294] ? __kasan_check_read+0x11/0x20
[ 22.135074][ T294] ? __fdget_pos+0x284/0x310
[ 22.139612][ T294] ksys_write+0x199/0x2c0
[ 22.143772][ T294] ? do_notify_parent+0xa20/0xa20
[ 22.148635][ T294] ? __ia32_sys_read+0x90/0x90
[ 22.153237][ T294] ? fpregs_restore_userregs+0x130/0x290
[ 22.158702][ T294] __x64_sys_write+0x7b/0x90
[ 22.163131][ T294] do_syscall_64+0x3d/0xb0
[ 22.167380][ T294] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 22.173109][ T294] RIP: 0033:0x7ff97c08bb59
[ 22.177452][ T294] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 22.196891][ T294] RSP: 002b:00007ffcdfe887d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 22.205133][ T294] RAX: ffffffffffffffda RBX: 00007ffcdfe887e0 RCX: 00007ff97c08bb59
[ 22.212948][ T294] RDX: 000000000156a396 RSI: 0000000020002a40 RDI: 0000000000000005
[ 22.220761][ T294] RBP: 0000000000000001 R08: 00007ffcdfe88577 R09: 00007ffcdfe80034
[ 22.228566][ T294] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000001
[ 22.236381][ T294] R13: 00007ffcdfe889d8 R14: 0000000000000001 R15: 0000000000000001
[ 22.244285][ T294]
[ 22.247349][ T294] ------------[ cut here ]------------
[ 22.252616][ T294] kernel BUG at fs/buffer.c:2717!
[ 22.257530][ T294] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[ 22.263375][ T294] CPU: 1 PID: 294 Comm: syz-executor615 Not tainted 6.1.25-syzkaller-00044-g060ebb378d1c #0
[ 22.273267][ T294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[ 22.283158][ T294] RIP: 0010:submit_bh_wbc+0x4e2/0x4f0
[ 22.288374][ T294] Code: 54 32 e7 ff e9 b0 fe ff ff e8 6a df a0 ff 0f 0b e8 63 df a0 ff 0f 0b e8 5c df a0 ff 0f 0b e8 55 df a0 ff 0f 0b e8 4e df a0 ff <0f> 0b e8 47 df a0 ff 0f 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56
[ 22.307808][ T294] RSP: 0018:ffffc90000e77570 EFLAGS: 00010293
[ 22.313709][ T294] RAX: ffffffff81d40092 RBX: 0000000000000800 RCX: ffff888108ce6540
[ 22.321522][ T294] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 0000000000000000
[ 22.329333][ T294] RBP: ffffc90000e775c0 R08: ffffffff81d3fd10 R09: ffffed1023f9e055
[ 22.337142][ T294] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000814
[ 22.344953][ T294] R13: 1ffff11023f9e054 R14: ffff88811fcf02a0 R15: 0000000000000000
[ 22.352778][ T294] FS: 0000555557245380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 22.361537][ T294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 22.367956][ T294] CR2: 0000000020003000 CR3: 0000000121c73000 CR4: 00000000003506a0
[ 22.375768][ T294] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 22.383579][ T294] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 22.391390][ T294] Call Trace:
[ 22.394513][ T294]
[ 22.397297][ T294] submit_bh+0x1d/0x30
[ 22.401195][ T294] ? __wait_on_buffer+0x80/0x80
[ 22.405883][ T294] ext4_read_bh+0x1b2/0x250
[ 22.410232][ T294] ext4_read_bh_lock+0x99/0xb0
[ 22.415091][ T294] ext4_block_zero_page_range+0x5d2/0x9f0
[ 22.420641][ T294] ext4_truncate+0x89b/0xfb0
[ 22.425069][ T294] ? __ext4_mark_inode_dirty+0x7d0/0x7d0
[ 22.430532][ T294] ? __kasan_check_write+0x14/0x20
[ 22.435481][ T294] ext4_write_end+0x6e8/0x910
[ 22.439994][ T294] ext4_da_write_end+0x88/0x970
[ 22.444681][ T294] ? ext4_da_write_begin+0x920/0x920
[ 22.449802][ T294] generic_perform_write+0x3e6/0x5c0
[ 22.454923][ T294] ? generic_file_direct_write+0x6b0/0x6b0
[ 22.460562][ T294] ? generic_write_checks_count+0x490/0x490
[ 22.466292][ T294] ? __this_cpu_preempt_check+0x13/0x20
[ 22.471673][ T294] ? xfd_validate_state+0x6f/0x170
[ 22.476620][ T294] ext4_buffered_write_iter+0x360/0x640
[ 22.482003][ T294] ? __kasan_check_write+0x14/0x20
[ 22.486947][ T294] ext4_file_write_iter+0x194/0x1cf0
[ 22.492067][ T294] ? compat_start_thread+0x20/0x20
[ 22.497015][ T294] ? __update_idle_core+0x310/0x310
[ 22.502049][ T294] ? avc_policy_seqno+0x1b/0x70
[ 22.506736][ T294] ? ext4_file_read_iter+0x470/0x470
[ 22.511866][ T294] ? fsnotify_perm+0x6a/0x5d0
[ 22.516374][ T294] vfs_write+0x902/0xeb0
[ 22.520453][ T294] ? file_end_write+0x1c0/0x1c0
[ 22.525140][ T294] ? ptrace_stop+0x709/0x930
[ 22.529563][ T294] ? __kasan_check_read+0x11/0x20
[ 22.534424][ T294] ? __fdget_pos+0x284/0x310
[ 22.538850][ T294] ksys_write+0x199/0x2c0
[ 22.543018][ T294] ? do_notify_parent+0xa20/0xa20
[ 22.547877][ T294] ? __ia32_sys_read+0x90/0x90
[ 22.552477][ T294] ? fpregs_restore_userregs+0x130/0x290
[ 22.557944][ T294] __x64_sys_write+0x7b/0x90
[ 22.562376][ T294] do_syscall_64+0x3d/0xb0
[ 22.566625][ T294] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 22.572352][ T294] RIP: 0033:0x7ff97c08bb59
[ 22.576604][ T294] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 22.596051][ T294] RSP: 002b:00007ffcdfe887d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 22.604376][ T294] RAX: ffffffffffffffda RBX: 00007ffcdfe887e0 RCX: 00007ff97c08bb59
[ 22.612191][ T294] RDX: 000000000156a396 RSI: 0000000020002a40 RDI: 0000000000000005
[ 22.619998][ T294] RBP: 0000000000000001 R08: 00007ffcdfe88577 R09: 00007ffcdfe80034
[ 22.627810][ T294] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000001
[ 22.635621][ T294] R13: 00007ffcdfe889d8 R14: 0000000000000001 R15: 0000000000000001
[ 22.643438][ T294]
[ 22.646393][ T294] Modules linked in:
[ 22.650257][ T294] ---[ end trace 0000000000000000 ]---
[ 22.655553][ T294] RIP: 0010:submit_bh_wbc+0x4e2/0x4f0
[ 22.660729][ T294] Code: 54 32 e7 ff e9 b0 fe ff ff e8 6a df a0 ff 0f 0b e8 63 df a0 ff 0f 0b e8 5c df a0 ff 0f 0b e8 55 df a0 ff 0f 0b e8 4e df a0 ff <0f> 0b e8 47 df a0 ff 0f 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56
[ 22.680336][ T294] RSP: 0018:ffffc90000e77570 EFLAGS: 00010293
[ 22.686247][ T294] RAX: ffffffff81d40092 RBX: 0000000000000800 RCX: ffff888108ce6540
[ 22.694034][ T294] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 0000000000000000
[ 22.701873][ T294] RBP: ffffc90000e775c0 R08: ffffffff81d3fd10 R09: ffffed1023f9e055
[ 22.709674][ T294] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000814
[ 22.717490][ T294] R13: 1ffff11023f9e054 R14: ffff88811fcf02a0 R15: 0000000000000000
[ 22.725291][ T294] FS: 0000555557245380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 22.734041][ T294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 22.740660][ T294] CR2: 0000000020003000 CR3: 0000000121c73000 CR4: 00000000003506a0
[ 22.748465][ T294] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 22.756284][ T294] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 22.764192][ T294] Kernel panic - not syncing: Fatal exception
[ 22.770420][ T294] Kernel Offset: disabled
[ 22.774544][ T294] Rebooting in 86400 seconds..