./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2712629560 <...> Warning: Permanently added '10.128.0.201' (ED25519) to the list of known hosts. execve("./syz-executor2712629560", ["./syz-executor2712629560"], 0x7ffd48d31020 /* 10 vars */) = 0 brk(NULL) = 0x55556cf68000 brk(0x55556cf68d00) = 0x55556cf68d00 arch_prctl(ARCH_SET_FS, 0x55556cf68380) = 0 set_tid_address(0x55556cf68650) = 5086 set_robust_list(0x55556cf68660, 24) = 0 rseq(0x55556cf68ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2712629560", 4096) = 28 getrandom("\xee\xd9\x55\xcc\x22\xc9\x01\xc7", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556cf68d00 brk(0x55556cf89d00) = 0x55556cf89d00 brk(0x55556cf8a000) = 0x55556cf8a000 mprotect(0x7f4f687d7000, 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) = 0x7f4f60200000 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(0x7f4f60200000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./file0", 0777) = 0 mount("/dev/loop0", "./file0", "hfsplus", 0, "") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0") = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "./file0", O_RDONLY) = 4 [ 74.399046][ T5086] loop0: detected capacity change from 0 to 1024 [ 74.441711][ T5086] ------------[ cut here ]------------ [ 74.447370][ T5086] kernel BUG at fs/hfsplus/xattr.c:175! [ 74.453997][ T5086] invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 74.460596][ T5086] CPU: 1 PID: 5086 Comm: syz-executor271 Not tainted 6.9.0-rc7-syzkaller-00117-g448b3fe5a0ea #0 [ 74.471008][ T5086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 74.481062][ T5086] RIP: 0010:__hfsplus_setxattr+0x22c4/0x22d0 [ 74.487045][ T5086] Code: e8 81 ed fe 08 e8 5c a9 14 ff 4c 89 ff 48 c7 c6 e0 59 e1 8b e8 bd ed 5d ff 90 0f 0b e8 45 a9 14 ff 90 0f 0b e8 3d a9 14 ff 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 [ 74.506640][ T5086] RSP: 0018:ffffc90004a7f580 EFLAGS: 00010293 [ 74.512701][ T5086] RAX: ffffffff82815f43 RBX: 0000000000010000 RCX: ffff888028831e00 [ 74.520661][ T5086] RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000000 [ 74.528624][ T5086] RBP: ffffc90004a7fa18 R08: ffffffff82814663 R09: 1ffff1100fde5557 [ 74.536593][ T5086] R10: dffffc0000000000 R11: ffffed100fde5558 R12: ffff88807ef2a370 [ 74.544560][ T5086] R13: dffffc0000000000 R14: ffff88807ef2aa30 R15: 0000000000000000 [ 74.552530][ T5086] FS: 000055556cf68380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 74.561449][ T5086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.568018][ T5086] CR2: 000055caaaa12960 CR3: 000000001bbd2000 CR4: 0000000000350ef0 [ 74.575981][ T5086] Call Trace: [ 74.579249][ T5086] [ 74.582170][ T5086] ? __die_body+0x88/0xe0 [ 74.586492][ T5086] ? die+0xcf/0x110 [ 74.590287][ T5086] ? do_trap+0x15a/0x3a0 [ 74.594529][ T5086] ? __hfsplus_setxattr+0x22c4/0x22d0 [ 74.599894][ T5086] ? do_error_trap+0x1dc/0x2c0 [ 74.604655][ T5086] ? __hfsplus_setxattr+0x22c4/0x22d0 [ 74.610022][ T5086] ? __pfx_do_error_trap+0x10/0x10 [ 74.615132][ T5086] ? report_bug+0x3e8/0x500 [ 74.619645][ T5086] ? srso_alias_return_thunk+0x5/0xfbef5 [ 74.625278][ T5086] ? handle_invalid_op+0x34/0x40 [ 74.630212][ T5086] ? __hfsplus_setxattr+0x22c4/0x22d0 [ 74.635575][ T5086] ? exc_invalid_op+0x38/0x50 [ 74.640240][ T5086] ? asm_exc_invalid_op+0x1a/0x20 [ 74.645263][ T5086] ? __hfsplus_setxattr+0x9e3/0x22d0 [ 74.650537][ T5086] ? __hfsplus_setxattr+0x22c3/0x22d0 [ 74.655902][ T5086] ? __hfsplus_setxattr+0x22c4/0x22d0 [ 74.661267][ T5086] ? srso_alias_return_thunk+0x5/0xfbef5 [ 74.666899][ T5086] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 74.673220][ T5086] ? srso_alias_return_thunk+0x5/0xfbef5 [ 74.678851][ T5086] ? __pfx___hfsplus_setxattr+0x10/0x10 [ 74.684385][ T5086] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 74.690278][ T5086] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 74.696605][ T5086] ? stack_trace_save+0x118/0x1d0 [ 74.701633][ T5086] ? srso_alias_return_thunk+0x5/0xfbef5 [ 74.707269][ T5086] ? stack_depot_save_flags+0x6e4/0x830 [ 74.712859][ T5086] ? srso_alias_return_thunk+0x5/0xfbef5 [ 74.718487][ T5086] ? __kasan_kmalloc+0x98/0xb0 [ 74.723251][ T5086] ? hfsplus_setxattr+0x68/0xe0 [ 74.728090][ T5086] ? srso_alias_return_thunk+0x5/0xfbef5 [ 74.733719][ T5086] ? kmalloc_trace+0x1db/0x370 [ 74.738475][ T5086] ? hfsplus_setxattr+0x68/0xe0 [ 74.743317][ T5086] hfsplus_setxattr+0xb0/0xe0 [ 74.747987][ T5086] hfsplus_trusted_setxattr+0x40/0x60 [ 74.753352][ T5086] ? __pfx_hfsplus_trusted_setxattr+0x10/0x10 [ 74.759412][ T5086] __vfs_setxattr+0x46a/0x4a0 [ 74.764096][ T5086] __vfs_setxattr_noperm+0x12e/0x5e0 [ 74.769383][ T5086] vfs_setxattr+0x221/0x430 [ 74.773890][ T5086] ? __pfx_vfs_setxattr+0x10/0x10 [ 74.778945][ T5086] ? __check_object_size+0x8e/0xa00 [ 74.784164][ T5086] ? srso_alias_return_thunk+0x5/0xfbef5 [ 74.789806][ T5086] ? __might_fault+0xc6/0x120 [ 74.794489][ T5086] ? strncpy_from_user+0x1a4/0x2f0 [ 74.799613][ T5086] setxattr+0x25d/0x2f0 [ 74.803771][ T5086] ? __pfx_setxattr+0x10/0x10 [ 74.808467][ T5086] ? srso_alias_return_thunk+0x5/0xfbef5 [ 74.814112][ T5086] ? mnt_get_write_access+0x226/0x2b0 [ 74.819492][ T5086] ? srso_alias_return_thunk+0x5/0xfbef5 [ 74.825138][ T5086] __se_sys_fsetxattr+0x19e/0x220 [ 74.830171][ T5086] do_syscall_64+0xf5/0x240 [ 74.834689][ T5086] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.840587][ T5086] RIP: 0033:0x7f4f687636f9 [ 74.845007][ T5086] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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 [ 74.864624][ T5086] RSP: 002b:00007ffdf157bd78 EFLAGS: 00000246 ORIG_RAX: 00000000000000be [ 74.873040][ T5086] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f4f687636f9 [ 74.881014][ T5086] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 [ 74.889002][ T5086] RBP: 00007f4f687d7610 R08: 0000000000000001 R09: 00007ffdf157bf48 [ 74.896979][ T5086] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 74.904952][ T5086] R13: 00007ffdf157bf38 R14: 0000000000000001 R15: 0000000000000001 [ 74.912928][ T5086] [ 74.915934][ T5086] Modules linked in: [ 74.921147][ T5086] ---[ end trace 0000000000000000 ]--- [ 74.926632][ T5086] RIP: 0010:__hfsplus_setxattr+0x22c4/0x22d0 [ 74.932675][ T5086] Code: e8 81 ed fe 08 e8 5c a9 14 ff 4c 89 ff 48 c7 c6 e0 59 e1 8b e8 bd ed 5d ff 90 0f 0b e8 45 a9 14 ff 90 0f 0b e8 3d a9 14 ff 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 [ 74.952341][ T5086] RSP: 0018:ffffc90004a7f580 EFLAGS: 00010293 [ 74.958413][ T5086] RAX: ffffffff82815f43 RBX: 0000000000010000 RCX: ffff888028831e00 [ 74.966427][ T5086] RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000000 [ 74.974454][ T5086] RBP: ffffc90004a7fa18 R08: ffffffff82814663 R09: 1ffff1100fde5557 [ 74.982490][ T5086] R10: dffffc0000000000 R11: ffffed100fde5558 R12: ffff88807ef2a370 [ 74.990481][ T5086] R13: dffffc0000000000 R14: ffff88807ef2aa30 R15: 0000000000000000 [ 74.998504][ T5086] FS: 000055556cf68380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 75.007503][ T5086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.014160][ T5086] CR2: 000055caaaa12960 CR3: 000000001bbd2000 CR4: 0000000000350ef0 [ 75.022230][ T5086] Kernel panic - not syncing: Fatal exception [ 75.028570][ T5086] Kernel Offset: disabled [ 75.032895][ T5086] Rebooting in 86400 seconds..