./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1040057048
<...>
Warning: Permanently added '10.128.0.155' (ED25519) to the list of known hosts.
execve("./syz-executor1040057048", ["./syz-executor1040057048"], 0x7ffc0f7f8390 /* 10 vars */) = 0
brk(NULL) = 0x555555653000
brk(0x555555653d00) = 0x555555653d00
arch_prctl(ARCH_SET_FS, 0x555555653380) = 0
set_tid_address(0x555555653650) = 5011
set_robust_list(0x555555653660, 24) = 0
rseq(0x555555653ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1040057048", 4096) = 28
getrandom("\x29\x2c\x6d\x0a\xd3\x45\xd3\x33", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555555653d00
brk(0x555555674d00) = 0x555555674d00
brk(0x555555675000) = 0x555555675000
mprotect(0x7f98615af000, 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
[ 59.716619][ T26] audit: type=1400 audit(1690036109.950:83): avc: denied { write } for pid=5008 comm="strace-static-x" path="pipe:[30741]" dev="pipefs" ino=30741 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[ 59.743606][ T26] audit: type=1400 audit(1690036109.970:84): avc: denied { execmem } for pid=5011 comm="syz-executor104" 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) = 0x7f98590f5000
write(3, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
munmap(0x7f98590f5000, 65536) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 59.757812][ T5011] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5011 'syz-executor104'
[ 59.773362][ T26] audit: type=1400 audit(1690036110.010:85): 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
[ 59.783383][ T5011] loop0: detected capacity change from 0 to 128
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
mkdir("./file0", 0777) = 0
mount("/dev/loop0", "./file0", "sysv", MS_RDONLY|MS_NOSUID|MS_SILENT, "\x22\x33\x87\x08") = -1 EINVAL (Invalid argument)
[ 59.796014][ T26] audit: type=1400 audit(1690036110.010:86): 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
[ 59.826138][ T26] audit: type=1400 audit(1690036110.010:87): 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
[ 59.834672][ T5011] oldfs: cannot read superblock
[ 59.849938][ T26] audit: type=1400 audit(1690036110.010:88): avc: denied { read write } for pid=5011 comm="syz-executor104" 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
[ 59.879309][ T26] audit: type=1400 audit(1690036110.010:89): avc: denied { open } for pid=5011 comm="syz-executor104" 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
[ 59.904109][ T26] audit: type=1400 audit(1690036110.010:90): avc: denied { ioctl } for pid=5011 comm="syz-executor104" 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
[ 59.930424][ T26] audit: type=1400 audit(1690036110.060:91): avc: denied { mounton } for pid=5011 comm="syz-executor104" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 59.966765][ T5011] ------------[ cut here ]------------
[ 59.972359][ T5011] VFS: brelse: Trying to free free buffer
[ 59.978191][ T5011] WARNING: CPU: 1 PID: 5011 at fs/buffer.c:1257 __brelse+0x6b/0xa0
[ 59.986200][ T5011] Modules linked in:
[ 59.990226][ T5011] CPU: 1 PID: 5011 Comm: syz-executor104 Not tainted 6.5.0-rc2-syzkaller-00307-gd192f5382581 #0
[ 60.000651][ T5011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[ 60.011239][ T5011] RIP: 0010:__brelse+0x6b/0xa0
[ 60.016216][ T5011] Code: 7c 04 84 d2 75 4e 44 8b 63 60 31 ff 44 89 e6 e8 1b 29 8d ff 45 85 e4 75 1c e8 a1 2d 8d ff 48 c7 c7 20 a7 7c 8a e8 65 f6 53 ff <0f> 0b 5b 5d 41 5c e9 8a 2d 8d ff e8 85 2d 8d ff be 04 00 00 00 48
[ 60.036460][ T5011] RSP: 0018:ffffc900033cf8c8 EFLAGS: 00010086
[ 60.042605][ T5011] RAX: 0000000000000000 RBX: ffff88807135a2b8 RCX: 0000000000000000
[ 60.050848][ T5011] RDX: ffff88807e0da000 RSI: ffffffff814c5346 RDI: 0000000000000001
[ 60.059268][ T5011] RBP: ffff88807135a318 R08: 0000000000000001 R09: 0000000000000000
[ 60.067259][ T5011] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[ 60.075398][ T5011] R13: ffff88807135a2b8 R14: dffffc0000000000 R15: ffffffff81f85b70
[ 60.083729][ T5011] FS: 0000555555653380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[ 60.093178][ T5011] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 60.099904][ T5011] CR2: 000000000066c7e0 CR3: 000000007cf88000 CR4: 00000000003506e0
[ 60.107960][ T5011] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 60.116127][ T5011] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 60.124164][ T5011] Call Trace:
[ 60.127458][ T5011]
[ 60.130707][ T5011] ? __warn+0xe6/0x380
[ 60.135072][ T5011] ? __wake_up_klogd.part.0+0x99/0xf0
[ 60.140661][ T5011] ? __brelse+0x6b/0xa0
[ 60.144969][ T5011] ? report_bug+0x3bc/0x580
[ 60.149569][ T5011] ? handle_bug+0x3c/0x70
[ 60.154208][ T5011] ? exc_invalid_op+0x17/0x40
[ 60.160908][ T5011] ? asm_exc_invalid_op+0x1a/0x20
[ 60.165952][ T5011] ? __brelse+0xa0/0xa0
[ 60.170159][ T5011] ? __warn_printk+0x1a6/0x350
[ 60.175018][ T5011] ? __brelse+0x6b/0xa0
[ 60.179214][ T5011] ? __brelse+0x6b/0xa0
[ 60.183850][ T5011] invalidate_bh_lru+0xa2/0x190
[ 60.189612][ T5011] ? on_each_cpu_cond_mask+0x40/0x90
[ 60.194898][ T5011] smp_call_function_many_cond+0x122a/0x1570
[ 60.201706][ T5011] ? generic_remap_file_range_prep+0x50/0x50
[ 60.207775][ T5011] ? __brelse+0xa0/0xa0
[ 60.211985][ T5011] ? generic_smp_call_function_single_interrupt+0x20/0x20
[ 60.219130][ T5011] ? __loop_clr_fd+0x122/0x900
[ 60.223911][ T5011] ? reacquire_held_locks+0x4b0/0x4b0
[ 60.229383][ T5011] ? __brelse+0xa0/0xa0
[ 60.233565][ T5011] ? generic_remap_file_range_prep+0x50/0x50
[ 60.239815][ T5011] on_each_cpu_cond_mask+0x40/0x90
[ 60.244950][ T5011] invalidate_bdev+0x9b/0xd0
[ 60.249649][ T5011] invalidate_disk+0x41/0x110
[ 60.254781][ T5011] __loop_clr_fd+0x259/0x900
[ 60.259480][ T5011] lo_ioctl+0x5d8/0x1a50
[ 60.263917][ T5011] ? loop_configure+0x18c0/0x18c0
[ 60.269167][ T5011] ? avc_ss_reset+0x3e0/0x3e0
[ 60.273938][ T5011] ? tomoyo_path_number_perm+0x273/0x590
[ 60.279575][ T5011] ? reacquire_held_locks+0x4b0/0x4b0
[ 60.284946][ T5011] ? lockdep_hardirqs_on+0x7d/0x100
[ 60.290156][ T5011] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 60.296174][ T5011] ? do_vfs_ioctl+0x379/0x1910
[ 60.301031][ T5011] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 60.306936][ T5011] ? blkdev_common_ioctl+0x1e0/0x1c40
[ 60.312519][ T5011] ? blkdev_pr_preempt+0x2f0/0x2f0
[ 60.317751][ T5011] ? selinux_bprm_creds_for_exec+0xb30/0xb30
[ 60.323740][ T5011] ? find_held_lock+0x2d/0x110
[ 60.328511][ T5011] ? loop_configure+0x18c0/0x18c0
[ 60.333726][ T5011] blkdev_ioctl+0x2f9/0x770
[ 60.338239][ T5011] ? blkdev_common_ioctl+0x1c40/0x1c40
[ 60.343700][ T5011] ? selinux_file_ioctl+0x17d/0x270
[ 60.348919][ T5011] ? selinux_file_ioctl+0xb5/0x270
[ 60.354038][ T5011] ? blkdev_common_ioctl+0x1c40/0x1c40
[ 60.359486][ T5011] __x64_sys_ioctl+0x18f/0x210
[ 60.364246][ T5011] do_syscall_64+0x38/0xb0
[ 60.368665][ T5011] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 60.374749][ T5011] RIP: 0033:0x7f986153247b
[ 60.379169][ T5011] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
[ 60.399122][ T5011] RSP: 002b:00007ffd9d3fbdc0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 60.407537][ T5011] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f986153247b
[ 60.415500][ T5011] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000004
[ 60.423458][ T5011] RBP: 0000000000000004 R08: 00007ffd9d3fbe60 R09: 0000000000009df6
[ 60.431421][ T5011] R10: 0000000000008003 R11: 0000000000000246 R12: 00007ffd9d3fbe60
[ 60.439384][ T5011] R13: 0000000000000003 R14: 0000000000010000 R15: 0000000000000001
[ 60.447364][ T5011]
[ 60.450469][ T5011] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 60.457740][ T5011] CPU: 1 PID: 5011 Comm: syz-executor104 Not tainted 6.5.0-rc2-syzkaller-00307-gd192f5382581 #0
[ 60.468328][ T5011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[ 60.478421][ T5011] Call Trace:
[ 60.481693][ T5011]
[ 60.484640][ T5011] dump_stack_lvl+0xd9/0x1b0
[ 60.489246][ T5011] panic+0x6a4/0x750
[ 60.493151][ T5011] ? panic_smp_self_stop+0xa0/0xa0
[ 60.498526][ T5011] ? show_trace_log_lvl+0x29d/0x3c0
[ 60.503734][ T5011] ? __brelse+0x6b/0xa0
[ 60.507947][ T5011] check_panic_on_warn+0xab/0xb0
[ 60.513725][ T5011] __warn+0xf2/0x380
[ 60.518305][ T5011] ? __wake_up_klogd.part.0+0x99/0xf0
[ 60.523773][ T5011] ? __brelse+0x6b/0xa0
[ 60.527940][ T5011] report_bug+0x3bc/0x580
[ 60.532348][ T5011] handle_bug+0x3c/0x70
[ 60.536518][ T5011] exc_invalid_op+0x17/0x40
[ 60.541121][ T5011] asm_exc_invalid_op+0x1a/0x20
[ 60.545993][ T5011] RIP: 0010:__brelse+0x6b/0xa0
[ 60.550778][ T5011] Code: 7c 04 84 d2 75 4e 44 8b 63 60 31 ff 44 89 e6 e8 1b 29 8d ff 45 85 e4 75 1c e8 a1 2d 8d ff 48 c7 c7 20 a7 7c 8a e8 65 f6 53 ff <0f> 0b 5b 5d 41 5c e9 8a 2d 8d ff e8 85 2d 8d ff be 04 00 00 00 48
[ 60.570985][ T5011] RSP: 0018:ffffc900033cf8c8 EFLAGS: 00010086
[ 60.577414][ T5011] RAX: 0000000000000000 RBX: ffff88807135a2b8 RCX: 0000000000000000
[ 60.585926][ T5011] RDX: ffff88807e0da000 RSI: ffffffff814c5346 RDI: 0000000000000001
[ 60.594796][ T5011] RBP: ffff88807135a318 R08: 0000000000000001 R09: 0000000000000000
[ 60.602949][ T5011] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[ 60.610931][ T5011] R13: ffff88807135a2b8 R14: dffffc0000000000 R15: ffffffff81f85b70
[ 60.618908][ T5011] ? __brelse+0xa0/0xa0
[ 60.623267][ T5011] ? __warn_printk+0x1a6/0x350
[ 60.628034][ T5011] ? __brelse+0x6b/0xa0
[ 60.632187][ T5011] invalidate_bh_lru+0xa2/0x190
[ 60.637031][ T5011] ? on_each_cpu_cond_mask+0x40/0x90
[ 60.642318][ T5011] smp_call_function_many_cond+0x122a/0x1570
[ 60.648295][ T5011] ? generic_remap_file_range_prep+0x50/0x50
[ 60.654286][ T5011] ? __brelse+0xa0/0xa0
[ 60.658465][ T5011] ? generic_smp_call_function_single_interrupt+0x20/0x20
[ 60.665605][ T5011] ? __loop_clr_fd+0x122/0x900
[ 60.670406][ T5011] ? reacquire_held_locks+0x4b0/0x4b0
[ 60.675805][ T5011] ? __brelse+0xa0/0xa0
[ 60.680112][ T5011] ? generic_remap_file_range_prep+0x50/0x50
[ 60.686157][ T5011] on_each_cpu_cond_mask+0x40/0x90
[ 60.691269][ T5011] invalidate_bdev+0x9b/0xd0
[ 60.695951][ T5011] invalidate_disk+0x41/0x110
[ 60.701024][ T5011] __loop_clr_fd+0x259/0x900
[ 60.706022][ T5011] lo_ioctl+0x5d8/0x1a50
[ 60.710444][ T5011] ? loop_configure+0x18c0/0x18c0
[ 60.715651][ T5011] ? avc_ss_reset+0x3e0/0x3e0
[ 60.720350][ T5011] ? tomoyo_path_number_perm+0x273/0x590
[ 60.726059][ T5011] ? reacquire_held_locks+0x4b0/0x4b0
[ 60.731629][ T5011] ? lockdep_hardirqs_on+0x7d/0x100
[ 60.736833][ T5011] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 60.742916][ T5011] ? do_vfs_ioctl+0x379/0x1910
[ 60.747720][ T5011] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 60.753640][ T5011] ? blkdev_common_ioctl+0x1e0/0x1c40
[ 60.759037][ T5011] ? blkdev_pr_preempt+0x2f0/0x2f0
[ 60.764146][ T5011] ? selinux_bprm_creds_for_exec+0xb30/0xb30
[ 60.770140][ T5011] ? find_held_lock+0x2d/0x110
[ 60.775162][ T5011] ? loop_configure+0x18c0/0x18c0
[ 60.780202][ T5011] blkdev_ioctl+0x2f9/0x770
[ 60.785130][ T5011] ? blkdev_common_ioctl+0x1c40/0x1c40
[ 60.790621][ T5011] ? selinux_file_ioctl+0x17d/0x270
[ 60.795924][ T5011] ? selinux_file_ioctl+0xb5/0x270
[ 60.801080][ T5011] ? blkdev_common_ioctl+0x1c40/0x1c40
[ 60.806561][ T5011] __x64_sys_ioctl+0x18f/0x210
[ 60.811359][ T5011] do_syscall_64+0x38/0xb0
[ 60.815771][ T5011] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 60.821692][ T5011] RIP: 0033:0x7f986153247b
[ 60.826282][ T5011] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
[ 60.846157][ T5011] RSP: 002b:00007ffd9d3fbdc0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 60.854578][ T5011] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f986153247b
[ 60.863108][ T5011] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000004
[ 60.871182][ T5011] RBP: 0000000000000004 R08: 00007ffd9d3fbe60 R09: 0000000000009df6
[ 60.879190][ T5011] R10: 0000000000008003 R11: 0000000000000246 R12: 00007ffd9d3fbe60
[ 60.887285][ T5011] R13: 0000000000000003 R14: 0000000000010000 R15: 0000000000000001
[ 60.895249][ T5011]
[ 60.898508][ T5011] Kernel Offset: disabled
[ 60.902942][ T5011] Rebooting in 86400 seconds..