./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2568480656
<...>
Warning: Permanently added '10.128.1.61' (ED25519) to the list of known hosts.
execve("./syz-executor2568480656", ["./syz-executor2568480656"], 0x7fff494025c0 /* 10 vars */) = 0
brk(NULL) = 0x555562784000
brk(0x555562784e00) = 0x555562784e00
arch_prctl(ARCH_SET_FS, 0x555562784480) = 0
set_tid_address(0x555562784750) = 5212
set_robust_list(0x555562784760, 24) = 0
rseq(0x555562784da0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2568480656", 4096) = 28
getrandom("\x02\x95\x36\x60\x09\x33\x46\xd1", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555562784e00
brk(0x5555627a5e00) = 0x5555627a5e00
brk(0x5555627a6000) = 0x5555627a6000
mprotect(0x7f3cdab17000, 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
rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGSEGV, {sa_handler=0x7f3cdaa63a50, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f3cdaa6c810}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7f3cdaa63a50, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f3cdaa6c810}, NULL, 8) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5213 attached
, child_tidptr=0x555562784750) = 5213
[pid 5213] set_robust_list(0x555562784760, 24) = 0
[pid 5213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5213] setpgid(0, 0) = 0
[pid 5213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5213] write(3, "1000", 4) = 4
[pid 5213] close(3) = 0
[pid 5213] write(1, "executing program\n", 18executing program
) = 18
[pid 5213] memfd_create("syzkaller", 0) = 3
[pid 5213] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3cd2600000
[pid 5213] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbf\xdc\x47\xfc\x10\xd8\x4e\xed\xa5\x62\x11\xa8\x31\xb3\xf7\x91\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x24\x40\x00\x00\x00\x00\x00\x00\x24\x41\x00\x00\x00\x00\x00\x00\x24\x42\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x12\x00"..., 16777216) = 16777216
[pid 5213] munmap(0x7f3cd2600000, 138412032) = 0
[pid 5213] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5213] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5213] close(3) = 0
[pid 5213] close(4) = 0
[pid 5213] mkdir("./file0", 0777) = 0
[ 59.366303][ T5213] loop0: detected capacity change from 0 to 32768
[ 59.408515][ T5213] XFS (loop0): Mounting V5 Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791
[pid 5213] mount("/dev/loop0", "./file0", "xfs", MS_NODIRATIME|MS_RELATIME, "lazytime,uqnoenforce,swalloc,filestreams,grpquota,allocsize=09m,gquota,nomand,,nouuid") = 0
[pid 5213] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5213] chdir("./file0") = 0
[pid 5213] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5213] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME, 0320) = 4
[pid 5213] mmap(0x20001000, 40960, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x20001000
[pid 5213] openat(AT_FDCWD, "./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5213] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6
[pid 5213] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20003b40} ---
[pid 5213] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20003b43} ---
[pid 5213] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20003b4a} ---
[pid 5213] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20003b4b} ---
[pid 5213] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20003b4d} ---
[pid 5213] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20003b4e} ---
[pid 5213] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20003b56} ---
[pid 5213] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20003b57} ---
[ 59.452972][ T5213] XFS (loop0): Ending clean mount
[ 59.462289][ T5213] XFS (loop0): Quotacheck needed: Please wait.
[ 59.486521][ T5213] XFS (loop0): Quotacheck: Done.
[pid 5213] write(6, 0x20003b40, 4119) = -1 EFAULT (Bad address)
[pid 5213] write(6, "\x23\x21\x20\x0a\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65191) = 3584
[pid 5213] copy_file_range(6, [0], 5, NULL, 18446744072099193947, 0) = 3584
[ 59.562202][ T5213] ------------[ cut here ]------------
[ 59.567834][ T5213] WARNING: CPU: 0 PID: 5213 at fs/iomap/buffered-io.c:727 iomap_write_begin+0x13f0/0x16f0
[ 59.578089][ T5213] Modules linked in:
[ 59.582018][ T5213] CPU: 0 UID: 0 PID: 5213 Comm: syz-executor256 Not tainted 6.11.0-rc2-syzkaller-00111-gee9a43b7cfe2 #0
[ 59.593191][ T5213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
[ 59.603298][ T5213] RIP: 0010:iomap_write_begin+0x13f0/0x16f0
[ 59.609225][ T5213] Code: b5 0d 01 90 48 c7 c7 a0 54 fa 8b e8 da 19 2b ff 90 0f 0b 90 90 e9 74 ef ff ff e8 5b f1 68 ff e9 4b f6 ff ff e8 51 f1 68 ff 90 <0f> 0b 90 bb fb ff ff ff e9 e9 fe ff ff e8 3e f1 68 ff 90 0f 0b 90
[ 59.628918][ T5213] RSP: 0018:ffffc900035b77c0 EFLAGS: 00010293
[ 59.635000][ T5213] RAX: ffffffff822a858f RBX: 0000000000000080 RCX: ffff888079cb5a00
[ 59.643057][ T5213] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000000000000
[ 59.651123][ T5213] RBP: ffffc900035b7a50 R08: ffffffff822a8294 R09: 1ffff1102907dfc9
[ 59.659123][ T5213] R10: dffffc0000000000 R11: ffffed102907dfca R12: ffffc900035b79b0
[ 59.667172][ T5213] R13: ffffc900035b7bf0 R14: ffffc900035b7990 R15: 0000000000000800
[ 59.675182][ T5213] FS: 0000555562784480(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
[ 59.684135][ T5213] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 59.690792][ T5213] CR2: 0000000020001000 CR3: 0000000023c70000 CR4: 00000000003506f0
[ 59.698812][ T5213] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 59.706834][ T5213] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 59.714805][ T5213] Call Trace:
[ 59.718114][ T5213]
[ 59.721046][ T5213] ? __warn+0x163/0x4e0
[ 59.725261][ T5213] ? iomap_write_begin+0x13f0/0x16f0
[ 59.730558][ T5213] ? report_bug+0x2b3/0x500
[ 59.735104][ T5213] ? iomap_write_begin+0x13f0/0x16f0
[ 59.740404][ T5213] ? handle_bug+0x3e/0x70
[ 59.744717][ T5213] ? exc_invalid_op+0x1a/0x50
[ 59.749453][ T5213] ? asm_exc_invalid_op+0x1a/0x20
[ 59.754483][ T5213] ? iomap_write_begin+0x10f4/0x16f0
[ 59.759863][ T5213] ? iomap_write_begin+0x13ef/0x16f0
[ 59.765200][ T5213] ? iomap_write_begin+0x13f0/0x16f0
[ 59.770485][ T5213] ? __pfx_iomap_write_begin+0x10/0x10
[ 59.775991][ T5213] ? __pfx_xfs_buffered_write_delalloc_punch+0x10/0x10
[ 59.782861][ T5213] ? balance_dirty_pages_ratelimited_flags+0x137/0xd10
[ 59.789784][ T5213] ? __pfx_lock_release+0x10/0x10
[ 59.794840][ T5213] ? rcu_is_watching+0x15/0xb0
[ 59.799663][ T5213] ? iomap_iter+0x968/0xf60
[ 59.804179][ T5213] iomap_file_unshare+0x460/0x780
[ 59.809261][ T5213] ? xfs_trans_log_inode+0x135/0x1b0
[ 59.814592][ T5213] ? __pfx_iomap_file_unshare+0x10/0x10
[ 59.820189][ T5213] ? __pfx_xfs_vn_update_time+0x10/0x10
[ 59.825774][ T5213] ? __pfx_inode_dio_wait+0x10/0x10
[ 59.830960][ T5213] ? xfs_break_layouts+0x23a/0x2e0
[ 59.836106][ T5213] xfs_reflink_unshare+0x173/0x5f0
[ 59.841226][ T5213] xfs_file_fallocate+0x6be/0xa50
[ 59.846316][ T5213] ? __pfx_lock_acquire+0x10/0x10
[ 59.851363][ T5213] ? __pfx_xfs_file_fallocate+0x10/0x10
[ 59.856942][ T5213] ? rcu_read_lock_any_held+0xb7/0x160
[ 59.862411][ T5213] ? __pfx_rcu_read_lock_any_held+0x10/0x10
[ 59.868380][ T5213] vfs_fallocate+0x553/0x6c0
[ 59.872984][ T5213] __x64_sys_fallocate+0xbd/0x110
[ 59.878043][ T5213] do_syscall_64+0xf3/0x230
[ 59.882564][ T5213] ? clear_bhb_loop+0x35/0x90
[ 59.887301][ T5213] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 59.893216][ T5213] RIP: 0033:0x7f3cdaa99899
[ 59.897663][ T5213] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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
[ 59.917345][ T5213] RSP: 002b:00007ffd2ccb9a58 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[ 59.925837][ T5213] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3cdaa99899
[ 59.933823][ T5213] RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000000000006
[ 59.941869][ T5213] RBP: 0000000000000000 R08: 0700000000000000 R09: 0700000000000000
[ 59.949874][ T5213] R10: 0000000000002000 R11: 0000000000000246 R12: 00007ffd2ccb9aa0
[ 59.957905][ T5213] R13: 00007ffd2ccb9d28 R14: 431bde82d7b634db R15: 00007f3cdaae203b
[ 59.965934][ T5213]
[ 59.968955][ T5213] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 59.976212][ T5213] CPU: 0 UID: 0 PID: 5213 Comm: syz-executor256 Not tainted 6.11.0-rc2-syzkaller-00111-gee9a43b7cfe2 #0
[ 59.987296][ T5213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
[ 59.997334][ T5213] Call Trace:
[ 60.000602][ T5213]
[ 60.003521][ T5213] dump_stack_lvl+0x241/0x360
[ 60.008191][ T5213] ? __pfx_dump_stack_lvl+0x10/0x10
[ 60.013375][ T5213] ? __pfx__printk+0x10/0x10
[ 60.017957][ T5213] ? vscnprintf+0x5d/0x90
[ 60.022275][ T5213] panic+0x349/0x860
[ 60.026160][ T5213] ? __warn+0x172/0x4e0
[ 60.030300][ T5213] ? __pfx_panic+0x10/0x10
[ 60.034706][ T5213] __warn+0x346/0x4e0
[ 60.038669][ T5213] ? iomap_write_begin+0x13f0/0x16f0
[ 60.043949][ T5213] report_bug+0x2b3/0x500
[ 60.048301][ T5213] ? iomap_write_begin+0x13f0/0x16f0
[ 60.053576][ T5213] handle_bug+0x3e/0x70
[ 60.057714][ T5213] exc_invalid_op+0x1a/0x50
[ 60.062200][ T5213] asm_exc_invalid_op+0x1a/0x20
[ 60.067039][ T5213] RIP: 0010:iomap_write_begin+0x13f0/0x16f0
[ 60.072924][ T5213] Code: b5 0d 01 90 48 c7 c7 a0 54 fa 8b e8 da 19 2b ff 90 0f 0b 90 90 e9 74 ef ff ff e8 5b f1 68 ff e9 4b f6 ff ff e8 51 f1 68 ff 90 <0f> 0b 90 bb fb ff ff ff e9 e9 fe ff ff e8 3e f1 68 ff 90 0f 0b 90
[ 60.092520][ T5213] RSP: 0018:ffffc900035b77c0 EFLAGS: 00010293
[ 60.098582][ T5213] RAX: ffffffff822a858f RBX: 0000000000000080 RCX: ffff888079cb5a00
[ 60.106549][ T5213] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000000000000
[ 60.114505][ T5213] RBP: ffffc900035b7a50 R08: ffffffff822a8294 R09: 1ffff1102907dfc9
[ 60.122487][ T5213] R10: dffffc0000000000 R11: ffffed102907dfca R12: ffffc900035b79b0
[ 60.130471][ T5213] R13: ffffc900035b7bf0 R14: ffffc900035b7990 R15: 0000000000000800
[ 60.138447][ T5213] ? iomap_write_begin+0x10f4/0x16f0
[ 60.143733][ T5213] ? iomap_write_begin+0x13ef/0x16f0
[ 60.149032][ T5213] ? __pfx_iomap_write_begin+0x10/0x10
[ 60.154492][ T5213] ? __pfx_xfs_buffered_write_delalloc_punch+0x10/0x10
[ 60.161339][ T5213] ? balance_dirty_pages_ratelimited_flags+0x137/0xd10
[ 60.168177][ T5213] ? __pfx_lock_release+0x10/0x10
[ 60.173203][ T5213] ? rcu_is_watching+0x15/0xb0
[ 60.177963][ T5213] ? iomap_iter+0x968/0xf60
[ 60.182461][ T5213] iomap_file_unshare+0x460/0x780
[ 60.187477][ T5213] ? xfs_trans_log_inode+0x135/0x1b0
[ 60.192764][ T5213] ? __pfx_iomap_file_unshare+0x10/0x10
[ 60.198313][ T5213] ? __pfx_xfs_vn_update_time+0x10/0x10
[ 60.203846][ T5213] ? __pfx_inode_dio_wait+0x10/0x10
[ 60.209035][ T5213] ? xfs_break_layouts+0x23a/0x2e0
[ 60.214141][ T5213] xfs_reflink_unshare+0x173/0x5f0
[ 60.219246][ T5213] xfs_file_fallocate+0x6be/0xa50
[ 60.224270][ T5213] ? __pfx_lock_acquire+0x10/0x10
[ 60.229293][ T5213] ? __pfx_xfs_file_fallocate+0x10/0x10
[ 60.234827][ T5213] ? rcu_read_lock_any_held+0xb7/0x160
[ 60.240282][ T5213] ? __pfx_rcu_read_lock_any_held+0x10/0x10
[ 60.246180][ T5213] vfs_fallocate+0x553/0x6c0
[ 60.250786][ T5213] __x64_sys_fallocate+0xbd/0x110
[ 60.255817][ T5213] do_syscall_64+0xf3/0x230
[ 60.260317][ T5213] ? clear_bhb_loop+0x35/0x90
[ 60.264985][ T5213] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 60.270884][ T5213] RIP: 0033:0x7f3cdaa99899
[ 60.275302][ T5213] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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
[ 60.295078][ T5213] RSP: 002b:00007ffd2ccb9a58 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[ 60.303484][ T5213] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3cdaa99899
[ 60.311452][ T5213] RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000000000006
[ 60.319422][ T5213] RBP: 0000000000000000 R08: 0700000000000000 R09: 0700000000000000
[ 60.327386][ T5213] R10: 0000000000002000 R11: 0000000000000246 R12: 00007ffd2ccb9aa0
[ 60.335347][ T5213] R13: 00007ffd2ccb9d28 R14: 431bde82d7b634db R15: 00007f3cdaae203b
[ 60.343320][ T5213]
[ 60.346532][ T5213] Kernel Offset: disabled
[ 60.350883][ T5213] Rebooting in 86400 seconds..