./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2925248863 <...> DUID 00:04:a1:84:1b:e0:48:24:35:f8:15:f9:55:b5:79:ea:e6:3e forked to background, child pid 3209 [ 31.113643][ T3210] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.139957][ T3210] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.6' (ECDSA) to the list of known hosts. execve("./syz-executor2925248863", ["./syz-executor2925248863"], 0x7ffc6f389530 /* 10 vars */) = 0 brk(NULL) = 0x55555558e000 brk(0x55555558ec40) = 0x55555558ec40 arch_prctl(ARCH_SET_FS, 0x55555558e300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2925248863", 4096) = 28 brk(0x5555555afc40) = 0x5555555afc40 brk(0x5555555b0000) = 0x5555555b0000 mprotect(0x7f7649e3d000, 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) = 0x7f7641800000 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(0x7f7641800000, 524288) = 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", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_I_VERSION, "") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0") = 0 ioctl(4, LOOP_CLR_FD) = 0 syzkaller login: [ 50.114653][ T3633] loop0: detected capacity change from 0 to 1024 [ 50.124664][ T3633] ======================================================= [ 50.124664][ T3633] WARNING: The mand mount option has been deprecated and [ 50.124664][ T3633] and is ignored by this kernel. Remove the mand [ 50.124664][ T3633] option from the mount to silence this warning. [ 50.124664][ T3633] ======================================================= close(4) = 0 [ 50.170076][ T3633] ------------[ cut here ]------------ [ 50.175662][ T3633] kernel BUG at fs/hfsplus/xattr.c:175! [ 50.181741][ T3633] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 50.187829][ T3633] CPU: 0 PID: 3633 Comm: syz-executor292 Not tainted 6.1.0-rc6-syzkaller-00251-g0b1dcc2cf55a #0 [ 50.198234][ T3633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 50.208267][ T3633] RIP: 0010:__hfsplus_setxattr+0x226c/0x2270 [ 50.214251][ T3633] Code: 07 80 c1 03 38 c1 0f 8c e1 f7 ff ff 4c 89 ff e8 ca 0a 7f ff e9 d4 f7 ff ff e8 c0 65 44 08 e8 2b 11 2a ff 0f 0b e8 24 11 2a ff <0f> 0b 66 90 55 53 89 f5 48 89 fb e8 14 11 2a ff 48 8d 7b 90 be 08 [ 50.233841][ T3633] RSP: 0018:ffffc90003d1f2a0 EFLAGS: 00010293 [ 50.239891][ T3633] RAX: ffffffff8262830c RBX: 0000000000010000 RCX: ffff888024dcd7c0 [ 50.247843][ T3633] RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000000 [ 50.255795][ T3633] RBP: ffffc90003d1f748 R08: ffffffff82626a7a R09: ffffed1004ea9558 [ 50.263754][ T3633] R10: ffffed1004ea9558 R11: 1ffff11004ea9557 R12: dffffc0000000000 [ 50.271709][ T3633] R13: ffff8880281fa038 R14: 0000000000000001 R15: 1ffff1100503f407 [ 50.279660][ T3633] FS: 000055555558e300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 50.288567][ T3633] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.295129][ T3633] CR2: 00007f7649dcf5f0 CR3: 0000000074aad000 CR4: 00000000003506f0 [ 50.303082][ T3633] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.311033][ T3633] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.318993][ T3633] Call Trace: [ 50.322263][ T3633] [ 50.325183][ T3633] ? print_irqtrace_events+0x220/0x220 [ 50.330629][ T3633] ? hfsplus_delete_all_attrs+0x440/0x440 [ 50.336334][ T3633] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 50.342220][ T3633] ? lockdep_hardirqs_on+0x95/0x140 [ 50.347405][ T3633] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 50.353294][ T3633] ? _raw_spin_unlock+0x40/0x40 [ 50.358147][ T3633] ? stack_trace_save+0x12d/0x1f0 [ 50.363179][ T3633] ? hfsplus_initxattrs+0xe1/0x230 [ 50.368280][ T3633] hfsplus_initxattrs+0x15c/0x230 [ 50.373288][ T3633] security_inode_init_security+0x3bf/0x3f0 [ 50.379171][ T3633] ? hfsplus_init_security+0x30/0x30 [ 50.384444][ T3633] ? security_dentry_create_files_as+0xd0/0xd0 [ 50.390585][ T3633] ? hfsplus_new_inode+0x67b/0x870 [ 50.395679][ T3633] hfsplus_mknod+0x1bd/0x290 [ 50.400256][ T3633] ? hfsplus_lookup+0xc40/0xc40 [ 50.405090][ T3633] path_openat+0x12e2/0x2e00 [ 50.409685][ T3633] ? do_filp_open+0x500/0x500 [ 50.414350][ T3633] ? alloc_fd+0x5a7/0x640 [ 50.418670][ T3633] do_filp_open+0x275/0x500 [ 50.423161][ T3633] ? vfs_tmpfile+0x490/0x490 [ 50.427744][ T3633] ? _raw_spin_unlock+0x24/0x40 [ 50.432582][ T3633] ? alloc_fd+0x5a7/0x640 [ 50.436901][ T3633] do_sys_openat2+0x13b/0x500 [ 50.441562][ T3633] ? do_raw_spin_unlock+0x134/0x8a0 [ 50.446746][ T3633] ? do_sys_open+0x220/0x220 [ 50.451320][ T3633] ? _raw_spin_unlock_irq+0x2a/0x40 [ 50.456503][ T3633] ? ptrace_notify+0x245/0x340 [ 50.461255][ T3633] __x64_sys_openat+0x243/0x290 [ 50.466091][ T3633] ? __ia32_sys_open+0x270/0x270 [ 50.471012][ T3633] ? syscall_enter_from_user_mode+0x2e/0x1d0 [ 50.476998][ T3633] ? syscall_enter_from_user_mode+0x86/0x1d0 [ 50.482967][ T3633] do_syscall_64+0x2b/0x70 [ 50.487367][ T3633] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 50.493242][ T3633] RIP: 0033:0x7f7649dcf7a9 [ 50.497640][ T3633] 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 [ 50.517229][ T3633] RSP: 002b:00007ffc008516c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 50.525621][ T3633] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7649dcf7a9 [ 50.533576][ T3633] RDX: 00000000000026e1 RSI: 00000000200000c0 RDI: 00000000ffffff9c [ 50.541530][ T3633] RBP: 00007f7649d8f040 R08: 00000000000005eb R09: 0000000000000000 [ 50.549484][ T3633] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7649d8f0d0 [ 50.557439][ T3633] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 50.565397][ T3633] [ 50.568405][ T3633] Modules linked in: [ 50.572595][ T3633] ---[ end trace 0000000000000000 ]--- [ 50.578150][ T3633] RIP: 0010:__hfsplus_setxattr+0x226c/0x2270 [ 50.584183][ T3633] Code: 07 80 c1 03 38 c1 0f 8c e1 f7 ff ff 4c 89 ff e8 ca 0a 7f ff e9 d4 f7 ff ff e8 c0 65 44 08 e8 2b 11 2a ff 0f 0b e8 24 11 2a ff <0f> 0b 66 90 55 53 89 f5 48 89 fb e8 14 11 2a ff 48 8d 7b 90 be 08 [ 50.603897][ T3633] RSP: 0018:ffffc90003d1f2a0 EFLAGS: 00010293 [ 50.610112][ T3633] RAX: ffffffff8262830c RBX: 0000000000010000 RCX: ffff888024dcd7c0 [ 50.618107][ T3633] RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000000 [ 50.626110][ T3633] RBP: ffffc90003d1f748 R08: ffffffff82626a7a R09: ffffed1004ea9558 [ 50.634146][ T3633] R10: ffffed1004ea9558 R11: 1ffff11004ea9557 R12: dffffc0000000000 [ 50.642159][ T3633] R13: ffff8880281fa038 R14: 0000000000000001 R15: 1ffff1100503f407 [ 50.650143][ T3633] FS: 000055555558e300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 50.659088][ T3633] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.665667][ T3633] CR2: 00007f7649dcf5f0 CR3: 0000000074aad000 CR4: 00000000003506f0 [ 50.673653][ T3633] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.681675][ T3633] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.689682][ T3633] Kernel panic - not syncing: Fatal exception [ 50.695885][ T3633] Kernel Offset: disabled [ 50.700203][ T3633] Rebooting in 86400 seconds..