./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4230145810 <...> Warning: Permanently added '10.128.0.25' (ECDSA) to the list of known hosts. execve("./syz-executor4230145810", ["./syz-executor4230145810"], 0x7ffc41262a00 /* 10 vars */) = 0 brk(NULL) = 0x555556168000 brk(0x555556168c40) = 0x555556168c40 arch_prctl(ARCH_SET_FS, 0x555556168300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor4230145810", 4096) = 28 brk(0x555556189c40) = 0x555556189c40 brk(0x55555618a000) = 0x55555618a000 mprotect(0x7f93b0afa000, 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) = 0x7f93a8641000 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"..., 32768) = 32768 munmap(0x7f93a8641000, 32768) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0", 0777) = 0 mount("/dev/loop0", "./file0", "hfs", MS_REC, "") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0") = 0 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 4 [ 52.522436][ T3629] loop0: detected capacity change from 0 to 64 [ 52.545020][ T3629] hfs: new node 0 already hashed? [ 52.551075][ T3629] ------------[ cut here ]------------ [ 52.556562][ T3629] WARNING: CPU: 1 PID: 3629 at fs/hfs/bnode.c:421 hfs_bnode_create+0x3d4/0x460 [ 52.566254][ T3629] Modules linked in: [ 52.570381][ T3629] CPU: 1 PID: 3629 Comm: syz-executor423 Not tainted 6.1.0-rc8-syzkaller-00152-g3ecc37918c80 #0 [ 52.581031][ T3629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 52.591439][ T3629] RIP: 0010:hfs_bnode_create+0x3d4/0x460 [ 52.597104][ T3629] Code: 31 c0 e8 4b 2e 32 08 e9 5f fd ff ff e8 35 53 2c ff 4c 89 ff e8 3d 9a 3d 08 48 c7 c7 60 e2 07 8b 44 89 e6 31 c0 e8 28 2e 32 08 <0f> 0b eb b1 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 61 fc ff ff 48 89 [ 52.616819][ T3629] RSP: 0018:ffffc90003a6ef90 EFLAGS: 00010246 [ 52.623369][ T3629] RAX: 000000000000001f RBX: ffff888017a03b00 RCX: 3705689a48634200 [ 52.631401][ T3629] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 52.639410][ T3629] RBP: 0000000000000000 R08: ffffffff816e5c7d R09: fffff5200074dda9 [ 52.647722][ T3629] R10: fffff5200074dda9 R11: 1ffff9200074dda8 R12: 0000000000000000 [ 52.655760][ T3629] R13: dffffc0000000000 R14: ffff88807e100000 R15: ffff88807e1000e0 [ 52.663780][ T3629] FS: 0000555556168300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 52.672779][ T3629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.679405][ T3629] CR2: 00005621d99a5628 CR3: 00000000284fb000 CR4: 00000000003506f0 [ 52.687370][ T3629] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.695399][ T3629] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.703594][ T3629] Call Trace: [ 52.706869][ T3629] [ 52.709860][ T3629] ? hfs_bnode_put+0x1c3/0x480 [ 52.714666][ T3629] hfs_bmap_alloc+0x598/0x620 [ 52.719541][ T3629] ? hfs_bmap_reserve+0x410/0x410 [ 52.724585][ T3629] hfs_btree_inc_height+0xec/0xca0 [ 52.729825][ T3629] ? hfs_brec_insert+0xc00/0xc00 [ 52.734769][ T3629] ? rcu_read_lock_sched_held+0x87/0x110 [ 52.740457][ T3629] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 52.746447][ T3629] hfs_brec_insert+0x12f/0xc00 [ 52.751278][ T3629] ? trace_contention_end+0x72/0x1d0 [ 52.756570][ T3629] ? __might_sleep+0xc0/0xc0 [ 52.761441][ T3629] ? hfs_brec_keylen+0x360/0x360 [ 52.766382][ T3629] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 52.772435][ T3629] __hfs_ext_write_extent+0x2a6/0x460 [ 52.777815][ T3629] __hfs_ext_cache_extent+0x67/0x980 [ 52.783144][ T3629] ? mutex_lock_nested+0x17/0x20 [ 52.788107][ T3629] ? hfs_find_init+0x167/0x1e0 [ 52.792947][ T3629] hfs_extend_file+0x323/0x1420 [ 52.797808][ T3629] ? xas_find+0x937/0xa60 [ 52.802210][ T3629] ? hfs_get_block+0xbb0/0xbb0 [ 52.806978][ T3629] ? filemap_get_folios+0x557/0x830 [ 52.812244][ T3629] ? find_lock_entries+0xf60/0xf60 [ 52.817365][ T3629] ? trace_writeback_dirty_inode+0xdf/0x2b0 [ 52.823314][ T3629] hfs_get_block+0x3fc/0xbb0 [ 52.827924][ T3629] ? hfs_free_extents+0x420/0x420 [ 52.833042][ T3629] ? do_raw_spin_unlock+0x134/0x8a0 [ 52.838274][ T3629] ? folio_alloc+0x47/0x50 [ 52.842773][ T3629] ? create_page_buffers+0x244/0x4b0 [ 52.848074][ T3629] __block_write_begin_int+0x54c/0x1a80 [ 52.853776][ T3629] ? hfs_free_extents+0x420/0x420 [ 52.858849][ T3629] ? page_zero_new_buffers+0x940/0x940 [ 52.864301][ T3629] ? PageHeadHuge+0x8a/0x1d0 [ 52.868947][ T3629] ? hfs_free_extents+0x420/0x420 [ 52.873985][ T3629] block_write_begin+0x93/0x1e0 [ 52.878884][ T3629] ? cont_write_begin+0x5e5/0x860 [ 52.883922][ T3629] ? hfs_free_extents+0x420/0x420 [ 52.889009][ T3629] cont_write_begin+0x606/0x860 [ 52.893882][ T3629] ? fault_in_readable+0x1d5/0x310 [ 52.899065][ T3629] ? generic_cont_expand_simple+0x250/0x250 [ 52.904990][ T3629] ? fault_in_readable+0x219/0x310 [ 52.910184][ T3629] ? fault_in_safe_writeable+0x240/0x240 [ 52.915833][ T3629] hfs_write_begin+0x86/0xd0 [ 52.920483][ T3629] ? hfs_free_extents+0x420/0x420 [ 52.925517][ T3629] generic_perform_write+0x2e4/0x5e0 [ 52.930878][ T3629] ? __block_commit_write+0x420/0x420 [ 52.936264][ T3629] ? generic_file_direct_write+0x610/0x610 [ 52.942130][ T3629] ? __file_remove_privs+0x6c0/0x6c0 [ 52.947430][ T3629] ? generic_write_checks+0x15c/0x1c0 [ 52.952881][ T3629] __generic_file_write_iter+0x176/0x400 [ 52.958534][ T3629] generic_file_write_iter+0xab/0x310 [ 52.964008][ T3629] vfs_write+0x7dc/0xc50 [ 52.968267][ T3629] ? file_end_write+0x230/0x230 [ 52.973228][ T3629] ? ptrace_stop+0x74d/0x970 [ 52.977863][ T3629] ? _raw_spin_unlock_irq+0x2a/0x40 [ 52.983142][ T3629] ? __fdget_pos+0x252/0x2e0 [ 52.987752][ T3629] ksys_write+0x177/0x2a0 [ 52.992156][ T3629] ? __ia32_sys_read+0x80/0x80 [ 52.996930][ T3629] ? syscall_enter_from_user_mode+0x2e/0x1d0 [ 53.002963][ T3629] ? syscall_enter_from_user_mode+0x86/0x1d0 [ 53.009016][ T3629] do_syscall_64+0x3d/0xb0 [ 53.013425][ T3629] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 53.019787][ T3629] RIP: 0033:0x7f93b0a8d799 [ 53.024213][ T3629] 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 [ 53.043926][ T3629] RSP: 002b:00007ffea7a2c418 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.052402][ T3629] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f93b0a8d799 [ 53.060449][ T3629] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004 [ 53.068431][ T3629] RBP: 00007f93b0a4d030 R08: 0000000000000000 R09: 0000000000000000 [ 53.076449][ T3629] R10: 000000000000024c R11: 0000000000000246 R12: 00007f93b0a4d0c0 [ 53.084479][ T3629] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 53.092877][ T3629] [ 53.095924][ T3629] Kernel panic - not syncing: panic_on_warn set ... [ 53.102503][ T3629] CPU: 0 PID: 3629 Comm: syz-executor423 Not tainted 6.1.0-rc8-syzkaller-00152-g3ecc37918c80 #0 [ 53.112903][ T3629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 53.122950][ T3629] Call Trace: [ 53.126225][ T3629] [ 53.129154][ T3629] dump_stack_lvl+0x1b1/0x28e [ 53.133833][ T3629] ? nf_tcp_handle_invalid+0x62e/0x62e [ 53.139286][ T3629] ? panic+0x710/0x710 [ 53.143354][ T3629] ? vscnprintf+0x59/0x80 [ 53.147678][ T3629] ? hfs_bnode_create+0x350/0x460 [ 53.152699][ T3629] panic+0x2d6/0x710 [ 53.156590][ T3629] ? __warn+0x131/0x220 [ 53.160741][ T3629] ? memcpy_page_flushcache+0xfc/0xfc [ 53.166123][ T3629] ? hfs_bnode_create+0x3d4/0x460 [ 53.171170][ T3629] __warn+0x1fa/0x220 [ 53.175156][ T3629] ? hfs_bnode_create+0x3d4/0x460 [ 53.180178][ T3629] report_bug+0x1b3/0x2d0 [ 53.184509][ T3629] handle_bug+0x3d/0x70 [ 53.188661][ T3629] exc_invalid_op+0x16/0x40 [ 53.193164][ T3629] asm_exc_invalid_op+0x16/0x20 [ 53.198018][ T3629] RIP: 0010:hfs_bnode_create+0x3d4/0x460 [ 53.203651][ T3629] Code: 31 c0 e8 4b 2e 32 08 e9 5f fd ff ff e8 35 53 2c ff 4c 89 ff e8 3d 9a 3d 08 48 c7 c7 60 e2 07 8b 44 89 e6 31 c0 e8 28 2e 32 08 <0f> 0b eb b1 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 61 fc ff ff 48 89 [ 53.223261][ T3629] RSP: 0018:ffffc90003a6ef90 EFLAGS: 00010246 [ 53.229327][ T3629] RAX: 000000000000001f RBX: ffff888017a03b00 RCX: 3705689a48634200 [ 53.237293][ T3629] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 53.245259][ T3629] RBP: 0000000000000000 R08: ffffffff816e5c7d R09: fffff5200074dda9 [ 53.253222][ T3629] R10: fffff5200074dda9 R11: 1ffff9200074dda8 R12: 0000000000000000 [ 53.261185][ T3629] R13: dffffc0000000000 R14: ffff88807e100000 R15: ffff88807e1000e0 [ 53.269159][ T3629] ? __wake_up_klogd+0xcd/0x100 [ 53.274017][ T3629] ? hfs_bnode_put+0x1c3/0x480 [ 53.278775][ T3629] hfs_bmap_alloc+0x598/0x620 [ 53.283450][ T3629] ? hfs_bmap_reserve+0x410/0x410 [ 53.288479][ T3629] hfs_btree_inc_height+0xec/0xca0 [ 53.293594][ T3629] ? hfs_brec_insert+0xc00/0xc00 [ 53.298530][ T3629] ? rcu_read_lock_sched_held+0x87/0x110 [ 53.304163][ T3629] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 53.310146][ T3629] hfs_brec_insert+0x12f/0xc00 [ 53.314905][ T3629] ? trace_contention_end+0x72/0x1d0 [ 53.320188][ T3629] ? __might_sleep+0xc0/0xc0 [ 53.324779][ T3629] ? hfs_brec_keylen+0x360/0x360 [ 53.329712][ T3629] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 53.335690][ T3629] __hfs_ext_write_extent+0x2a6/0x460 [ 53.341058][ T3629] __hfs_ext_cache_extent+0x67/0x980 [ 53.346335][ T3629] ? mutex_lock_nested+0x17/0x20 [ 53.351269][ T3629] ? hfs_find_init+0x167/0x1e0 [ 53.356034][ T3629] hfs_extend_file+0x323/0x1420 [ 53.360878][ T3629] ? xas_find+0x937/0xa60 [ 53.365213][ T3629] ? hfs_get_block+0xbb0/0xbb0 [ 53.369968][ T3629] ? filemap_get_folios+0x557/0x830 [ 53.375164][ T3629] ? find_lock_entries+0xf60/0xf60 [ 53.380273][ T3629] ? trace_writeback_dirty_inode+0xdf/0x2b0 [ 53.386176][ T3629] hfs_get_block+0x3fc/0xbb0 [ 53.390769][ T3629] ? hfs_free_extents+0x420/0x420 [ 53.395784][ T3629] ? do_raw_spin_unlock+0x134/0x8a0 [ 53.400982][ T3629] ? folio_alloc+0x47/0x50 [ 53.405394][ T3629] ? create_page_buffers+0x244/0x4b0 [ 53.410683][ T3629] __block_write_begin_int+0x54c/0x1a80 [ 53.416243][ T3629] ? hfs_free_extents+0x420/0x420 [ 53.421260][ T3629] ? page_zero_new_buffers+0x940/0x940 [ 53.426717][ T3629] ? PageHeadHuge+0x8a/0x1d0 [ 53.431306][ T3629] ? hfs_free_extents+0x420/0x420 [ 53.436326][ T3629] block_write_begin+0x93/0x1e0 [ 53.441184][ T3629] ? cont_write_begin+0x5e5/0x860 [ 53.446206][ T3629] ? hfs_free_extents+0x420/0x420 [ 53.451227][ T3629] cont_write_begin+0x606/0x860 [ 53.456083][ T3629] ? fault_in_readable+0x1d5/0x310 [ 53.461196][ T3629] ? generic_cont_expand_simple+0x250/0x250 [ 53.467084][ T3629] ? fault_in_readable+0x219/0x310 [ 53.472200][ T3629] ? fault_in_safe_writeable+0x240/0x240 [ 53.477833][ T3629] hfs_write_begin+0x86/0xd0 [ 53.482414][ T3629] ? hfs_free_extents+0x420/0x420 [ 53.487434][ T3629] generic_perform_write+0x2e4/0x5e0 [ 53.492722][ T3629] ? __block_commit_write+0x420/0x420 [ 53.498088][ T3629] ? generic_file_direct_write+0x610/0x610 [ 53.503891][ T3629] ? __file_remove_privs+0x6c0/0x6c0 [ 53.509171][ T3629] ? generic_write_checks+0x15c/0x1c0 [ 53.514544][ T3629] __generic_file_write_iter+0x176/0x400 [ 53.520180][ T3629] generic_file_write_iter+0xab/0x310 [ 53.525556][ T3629] vfs_write+0x7dc/0xc50 [ 53.529802][ T3629] ? file_end_write+0x230/0x230 [ 53.534644][ T3629] ? ptrace_stop+0x74d/0x970 [ 53.539241][ T3629] ? _raw_spin_unlock_irq+0x2a/0x40 [ 53.544439][ T3629] ? __fdget_pos+0x252/0x2e0 [ 53.549027][ T3629] ksys_write+0x177/0x2a0 [ 53.553357][ T3629] ? __ia32_sys_read+0x80/0x80 [ 53.558120][ T3629] ? syscall_enter_from_user_mode+0x2e/0x1d0 [ 53.564099][ T3629] ? syscall_enter_from_user_mode+0x86/0x1d0 [ 53.570080][ T3629] do_syscall_64+0x3d/0xb0 [ 53.574493][ T3629] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 53.580378][ T3629] RIP: 0033:0x7f93b0a8d799 [ 53.584784][ T3629] 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 [ 53.604380][ T3629] RSP: 002b:00007ffea7a2c418 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.612785][ T3629] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f93b0a8d799 [ 53.620752][ T3629] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004 [ 53.628714][ T3629] RBP: 00007f93b0a4d030 R08: 0000000000000000 R09: 0000000000000000 [ 53.636677][ T3629] R10: 000000000000024c R11: 0000000000000246 R12: 00007f93b0a4d0c0 [ 53.644640][ T3629] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 53.652622][ T3629] [ 53.655794][ T3629] Kernel Offset: disabled [ 53.660182][ T3629] Rebooting in 86400 seconds..