./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1915874345
<...>
DUID 00:04:7c:7c:42:18:3f:30:8d:b4:e2:57:c6:a5:0a:a4:65:8b
forked to background, child pid 4659
[ 38.820279][ T4660] 8021q: adding VLAN 0 to HW filter on device bond0
[ 38.845805][ T4660] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.1.172' (ECDSA) to the list of known hosts.
execve("./syz-executor1915874345", ["./syz-executor1915874345"], 0x7fffca345830 /* 10 vars */) = 0
brk(NULL) = 0x5555555dd000
brk(0x5555555ddc40) = 0x5555555ddc40
arch_prctl(ARCH_SET_FS, 0x5555555dd300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor1915874345", 4096) = 28
brk(0x5555555fec40) = 0x5555555fec40
brk(0x5555555ff000) = 0x5555555ff000
mprotect(0x7fa49ec01000, 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) = 0x7fa496747000
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"..., 524288) = 524288
munmap(0x7fa496747000, 524288) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
mkdir("./file1", 0777) = 0
mount("/dev/loop0", "./file1", "hfsplus", MS_NODEV|MS_SYNCHRONOUS|MS_NODIRATIME|MS_POSIXACL|MS_STRICTATIME, "") = 0
openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
chdir("./file1") = 0
ioctl(4, LOOP_CLR_FD) = 0
close(4) = 0
openat(AT_FDCWD, "blkio.throttle.io_serviced_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
syzkaller login: [ 71.182555][ T4993] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4993 'syz-executor191'
[ 71.204060][ T4993] loop0: detected capacity change from 0 to 1024
[ 71.248266][ T4993] hfsplus: new node 0 already hashed?
[ 71.254287][ T4993] ------------[ cut here ]------------
[ 71.259853][ T4993] WARNING: CPU: 0 PID: 4993 at fs/hfsplus/bnode.c:573 hfsplus_bnode_create+0x3b1/0x440
[ 71.269622][ T4993] Modules linked in:
[ 71.273561][ T4993] CPU: 0 PID: 4993 Comm: syz-executor191 Not tainted 6.3.0-syzkaller-13466-gfc4354c6e5c2 #0
[ 71.283742][ T4993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
[ 71.293998][ T4993] RIP: 0010:hfsplus_bnode_create+0x3b1/0x440
[ 71.300078][ T4993] Code: 8a 44 89 e6 e8 b0 9e 4a 08 e9 7c fd ff ff e8 96 96 29 ff 4c 89 ff e8 be a7 56 08 48 c7 c7 00 b4 ff 8a 44 89 e6 e8 8f 9e 4a 08 <0f> 0b eb b5 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 89 fc ff ff 48 89
[ 71.319769][ T4993] RSP: 0018:ffffc90003baef78 EFLAGS: 00010246
[ 71.325949][ T4993] RAX: 0000000000000023 RBX: ffff888015e9b400 RCX: 2c026a9ea1cbe000
[ 71.333959][ T4993] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 71.342053][ T4993] RBP: 0000000000000000 R08: ffffffff816ee89c R09: fffff52000775da5
[ 71.350084][ T4993] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
[ 71.358135][ T4993] R13: dffffc0000000000 R14: ffff888077b02000 R15: ffff888077b020e0
[ 71.366177][ T4993] FS: 00005555555dd300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 71.375199][ T4993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 71.381834][ T4993] CR2: 000000002000f000 CR3: 00000000221bd000 CR4: 00000000003506f0
[ 71.389876][ T4993] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 71.397907][ T4993] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 71.405927][ T4993] Call Trace:
[ 71.409230][ T4993]
[ 71.412169][ T4993] hfsplus_bmap_alloc+0x59a/0x640
[ 71.417283][ T4993] ? hfsplus_bmap_reserve+0x4e0/0x4e0
[ 71.422693][ T4993] hfs_btree_inc_height+0x11e/0xdb0
[ 71.427968][ T4993] ? hfsplus_brec_insert+0xdd0/0xdd0
[ 71.433305][ T4993] ? read_lock_is_recursive+0x20/0x20
[ 71.438799][ T4993] ? __mutex_trylock_common+0x182/0x2e0
[ 71.444545][ T4993] ? __might_sleep+0xc0/0xc0
[ 71.449169][ T4993] hfsplus_brec_insert+0x166/0xdd0
[ 71.454356][ T4993] ? rcu_is_watching+0x15/0xb0
[ 71.459148][ T4993] ? trace_contention_end+0x3c/0xf0
[ 71.464440][ T4993] ? hfsplus_brec_find+0x19d/0x570
[ 71.469593][ T4993] ? hfs_find_1st_rec_by_cnid+0x3c0/0x3c0
[ 71.475384][ T4993] ? hfsplus_brec_keylen+0x310/0x310
[ 71.480709][ T4993] ? mutex_lock_io_nested+0x60/0x60
[ 71.486001][ T4993] __hfsplus_ext_write_extent+0x36b/0x5b0
[ 71.491749][ T4993] __hfsplus_ext_cache_extent+0x84/0xe00
[ 71.497457][ T4993] ? mutex_lock_nested+0x1b/0x20
[ 71.502435][ T4993] hfsplus_file_extend+0x439/0x1b10
[ 71.507713][ T4993] ? xas_find+0x37c/0xaa0
[ 71.512089][ T4993] ? hfsplus_get_block+0x14e0/0x14e0
[ 71.517457][ T4993] ? find_lock_entries+0x10f0/0x10f0
[ 71.522784][ T4993] ? clean_bdev_aliases+0x7f9/0x920
[ 71.528080][ T4993] hfsplus_get_block+0x406/0x14e0
[ 71.533142][ T4993] ? hfsplus_ext_write_extent+0x1f0/0x1f0
[ 71.538928][ T4993] ? _raw_spin_unlock+0x28/0x40
[ 71.543819][ T4993] ? folio_create_buffers+0x132/0x250
[ 71.549290][ T4993] __block_write_begin_int+0x548/0x1a50
[ 71.554927][ T4993] ? folio_add_lru+0x353/0x6f0
[ 71.559728][ T4993] ? hfsplus_ext_write_extent+0x1f0/0x1f0
[ 71.565533][ T4993] ? PageUptodate+0x290/0x290
[ 71.570264][ T4993] ? folio_test_hugetlb+0xa0/0x1d0
[ 71.575475][ T4993] ? pagecache_get_page+0xeb/0x220
[ 71.580616][ T4993] ? hfsplus_ext_write_extent+0x1f0/0x1f0
[ 71.586411][ T4993] block_write_begin+0x9c/0x1f0
[ 71.591288][ T4993] ? cont_write_begin+0x626/0x880
[ 71.596372][ T4993] cont_write_begin+0x643/0x880
[ 71.601271][ T4993] ? fault_in_readable+0x165/0x2b0
[ 71.606483][ T4993] ? generic_cont_expand_simple+0x2a0/0x2a0
[ 71.612422][ T4993] ? fault_in_readable+0x1a6/0x2b0
[ 71.617602][ T4993] ? fault_in_safe_writeable+0x260/0x260
[ 71.623348][ T4993] hfsplus_write_begin+0x8a/0xd0
[ 71.628401][ T4993] ? hfsplus_ext_write_extent+0x1f0/0x1f0
[ 71.634154][ T4993] generic_perform_write+0x300/0x5e0
[ 71.639522][ T4993] ? generic_file_direct_write+0x460/0x460
[ 71.645399][ T4993] ? __file_remove_privs+0x640/0x640
[ 71.650718][ T4993] ? generic_write_checks+0x160/0x1c0
[ 71.656184][ T4993] __generic_file_write_iter+0x17a/0x400
[ 71.661855][ T4993] generic_file_write_iter+0xaf/0x310
[ 71.667323][ T4993] vfs_write+0x790/0xb20
[ 71.671612][ T4993] ? file_end_write+0x250/0x250
[ 71.676581][ T4993] ? lockdep_hardirqs_on+0x98/0x140
[ 71.681846][ T4993] ? __fdget_pos+0x265/0x2f0
[ 71.686568][ T4993] ksys_write+0x1a0/0x2c0
[ 71.690941][ T4993] ? __ia32_sys_read+0x90/0x90
[ 71.695918][ T4993] ? syscall_enter_from_user_mode+0x32/0x230
[ 71.701942][ T4993] ? syscall_enter_from_user_mode+0x8c/0x230
[ 71.708015][ T4993] do_syscall_64+0x41/0xc0
[ 71.712489][ T4993] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 71.718465][ T4993] RIP: 0033:0x7fa49eb937c9
[ 71.722931][ T4993] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48
[ 71.742634][ T4993] RSP: 002b:00007ffc4885f908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 71.751111][ T4993] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa49eb937c9
[ 71.759162][ T4993] RDX: 0000000000029000 RSI: 0000000020000040 RDI: 0000000000000004
[ 71.767195][ T4993] RBP: 00007fa49eb53060 R08: 0000000000000000 R09: 0000000000000000
[ 71.775246][ T4993] R10: 0000000000000642 R11: 0000000000000246 R12: 00007fa49eb530f0
[ 71.783262][ T4993] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 71.791340][ T4993]
[ 71.794465][ T4993] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 71.801770][ T4993] CPU: 0 PID: 4993 Comm: syz-executor191 Not tainted 6.3.0-syzkaller-13466-gfc4354c6e5c2 #0
[ 71.811857][ T4993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
[ 71.821929][ T4993] Call Trace:
[ 71.825220][ T4993]
[ 71.828158][ T4993] dump_stack_lvl+0x1e7/0x2d0
[ 71.832860][ T4993] ? nf_tcp_handle_invalid+0x650/0x650
[ 71.838355][ T4993] ? panic+0x770/0x770
[ 71.842444][ T4993] ? vscnprintf+0x5d/0x80
[ 71.846790][ T4993] panic+0x30f/0x770
[ 71.850698][ T4993] ? __warn+0x171/0x4a0
[ 71.854870][ T4993] ? __memcpy_flushcache+0x2b0/0x2b0
[ 71.860183][ T4993] __warn+0x314/0x4a0
[ 71.864179][ T4993] ? hfsplus_bnode_create+0x3b1/0x440
[ 71.869573][ T4993] report_bug+0x2b3/0x500
[ 71.873915][ T4993] ? hfsplus_bnode_create+0x3b1/0x440
[ 71.879321][ T4993] handle_bug+0x3d/0x70
[ 71.883510][ T4993] exc_invalid_op+0x1a/0x50
[ 71.888041][ T4993] asm_exc_invalid_op+0x1a/0x20
[ 71.892947][ T4993] RIP: 0010:hfsplus_bnode_create+0x3b1/0x440
[ 71.899230][ T4993] Code: 8a 44 89 e6 e8 b0 9e 4a 08 e9 7c fd ff ff e8 96 96 29 ff 4c 89 ff e8 be a7 56 08 48 c7 c7 00 b4 ff 8a 44 89 e6 e8 8f 9e 4a 08 <0f> 0b eb b5 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 89 fc ff ff 48 89
[ 71.918853][ T4993] RSP: 0018:ffffc90003baef78 EFLAGS: 00010246
[ 71.924955][ T4993] RAX: 0000000000000023 RBX: ffff888015e9b400 RCX: 2c026a9ea1cbe000
[ 71.932935][ T4993] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 71.940931][ T4993] RBP: 0000000000000000 R08: ffffffff816ee89c R09: fffff52000775da5
[ 71.948910][ T4993] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
[ 71.956891][ T4993] R13: dffffc0000000000 R14: ffff888077b02000 R15: ffff888077b020e0
[ 71.964879][ T4993] ? __wake_up_klogd+0xcc/0x100
[ 71.969762][ T4993] ? hfsplus_bnode_create+0x3b1/0x440
[ 71.975151][ T4993] hfsplus_bmap_alloc+0x59a/0x640
[ 71.980196][ T4993] ? hfsplus_bmap_reserve+0x4e0/0x4e0
[ 71.985591][ T4993] hfs_btree_inc_height+0x11e/0xdb0
[ 71.990816][ T4993] ? hfsplus_brec_insert+0xdd0/0xdd0
[ 71.996114][ T4993] ? read_lock_is_recursive+0x20/0x20
[ 72.001504][ T4993] ? __mutex_trylock_common+0x182/0x2e0
[ 72.007063][ T4993] ? __might_sleep+0xc0/0xc0
[ 72.011673][ T4993] hfsplus_brec_insert+0x166/0xdd0
[ 72.016812][ T4993] ? rcu_is_watching+0x15/0xb0
[ 72.021593][ T4993] ? trace_contention_end+0x3c/0xf0
[ 72.026808][ T4993] ? hfsplus_brec_find+0x19d/0x570
[ 72.031937][ T4993] ? hfs_find_1st_rec_by_cnid+0x3c0/0x3c0
[ 72.037674][ T4993] ? hfsplus_brec_keylen+0x310/0x310
[ 72.042974][ T4993] ? mutex_lock_io_nested+0x60/0x60
[ 72.048209][ T4993] __hfsplus_ext_write_extent+0x36b/0x5b0
[ 72.053962][ T4993] __hfsplus_ext_cache_extent+0x84/0xe00
[ 72.059606][ T4993] ? mutex_lock_nested+0x1b/0x20
[ 72.064567][ T4993] hfsplus_file_extend+0x439/0x1b10
[ 72.069777][ T4993] ? xas_find+0x37c/0xaa0
[ 72.074132][ T4993] ? hfsplus_get_block+0x14e0/0x14e0
[ 72.079437][ T4993] ? find_lock_entries+0x10f0/0x10f0
[ 72.084774][ T4993] ? clean_bdev_aliases+0x7f9/0x920
[ 72.090074][ T4993] hfsplus_get_block+0x406/0x14e0
[ 72.095130][ T4993] ? hfsplus_ext_write_extent+0x1f0/0x1f0
[ 72.100868][ T4993] ? _raw_spin_unlock+0x28/0x40
[ 72.105729][ T4993] ? folio_create_buffers+0x132/0x250
[ 72.111119][ T4993] __block_write_begin_int+0x548/0x1a50
[ 72.116688][ T4993] ? folio_add_lru+0x353/0x6f0
[ 72.121486][ T4993] ? hfsplus_ext_write_extent+0x1f0/0x1f0
[ 72.127217][ T4993] ? PageUptodate+0x290/0x290
[ 72.131902][ T4993] ? folio_test_hugetlb+0xa0/0x1d0
[ 72.137033][ T4993] ? pagecache_get_page+0xeb/0x220
[ 72.142154][ T4993] ? hfsplus_ext_write_extent+0x1f0/0x1f0
[ 72.147897][ T4993] block_write_begin+0x9c/0x1f0
[ 72.152758][ T4993] ? cont_write_begin+0x626/0x880
[ 72.157817][ T4993] cont_write_begin+0x643/0x880
[ 72.162701][ T4993] ? fault_in_readable+0x165/0x2b0
[ 72.167835][ T4993] ? generic_cont_expand_simple+0x2a0/0x2a0
[ 72.173751][ T4993] ? fault_in_readable+0x1a6/0x2b0
[ 72.178876][ T4993] ? fault_in_safe_writeable+0x260/0x260
[ 72.184533][ T4993] hfsplus_write_begin+0x8a/0xd0
[ 72.189487][ T4993] ? hfsplus_ext_write_extent+0x1f0/0x1f0
[ 72.195246][ T4993] generic_perform_write+0x300/0x5e0
[ 72.200557][ T4993] ? generic_file_direct_write+0x460/0x460
[ 72.206378][ T4993] ? __file_remove_privs+0x640/0x640
[ 72.211685][ T4993] ? generic_write_checks+0x160/0x1c0
[ 72.217174][ T4993] __generic_file_write_iter+0x17a/0x400
[ 72.222824][ T4993] generic_file_write_iter+0xaf/0x310
[ 72.228214][ T4993] vfs_write+0x790/0xb20
[ 72.232502][ T4993] ? file_end_write+0x250/0x250
[ 72.237382][ T4993] ? lockdep_hardirqs_on+0x98/0x140
[ 72.242599][ T4993] ? __fdget_pos+0x265/0x2f0
[ 72.247200][ T4993] ksys_write+0x1a0/0x2c0
[ 72.251552][ T4993] ? __ia32_sys_read+0x90/0x90
[ 72.256334][ T4993] ? syscall_enter_from_user_mode+0x32/0x230
[ 72.262342][ T4993] ? syscall_enter_from_user_mode+0x8c/0x230
[ 72.268341][ T4993] do_syscall_64+0x41/0xc0
[ 72.272781][ T4993] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 72.278685][ T4993] RIP: 0033:0x7fa49eb937c9
[ 72.283113][ T4993] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48
[ 72.302726][ T4993] RSP: 002b:00007ffc4885f908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 72.311153][ T4993] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa49eb937c9
[ 72.319137][ T4993] RDX: 0000000000029000 RSI: 0000000020000040 RDI: 0000000000000004
[ 72.327115][ T4993] RBP: 00007fa49eb53060 R08: 0000000000000000 R09: 0000000000000000
[ 72.335181][ T4993] R10: 0000000000000642 R11: 0000000000000246 R12: 00007fa49eb530f0
[ 72.343162][ T4993] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 72.351154][ T4993]
[ 72.354516][ T4993] Kernel Offset: disabled
[ 72.358936][ T4993] Rebooting in 86400 seconds..