Extracting prog: 2m16.363050141s Minimizing prog: 62.13µs Simplifying prog options: 0s Extracting C: 31.374433891s Simplifying C: 7m5.084764717s 1 programs, timeouts [30s 6m0s] extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus detailed listing: executing program 0: syz_mount_image$hfsplus(&(0x7f0000000000), &(0x7f0000002380)='./file0\x00', 0x0, &(0x7f00000023c0)=ANY=[], 0x3, 0x708, &(0x7f00000007c0)="$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") program crashed: possible deadlock in hfsplus_get_block single: successfully extracted reproducer found reproducer with 1 syscalls minimizing guilty program extracting C reproducer testing compiled C program (duration=1m3.840269976s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus program crashed: possible deadlock in hfsplus_get_block simplifying C reproducer testing compiled C program (duration=1m3.840269976s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus program crashed: possible deadlock in hfsplus_get_block testing compiled C program (duration=1m3.840269976s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus program crashed: possible deadlock in hfsplus_get_block testing compiled C program (duration=1m3.840269976s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus program crashed: possible deadlock in hfsplus_get_block testing compiled C program (duration=1m3.840269976s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus program crashed: possible deadlock in hfsplus_get_block testing compiled C program (duration=1m3.840269976s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus program crashed: possible deadlock in hfsplus_get_block testing compiled C program (duration=1m3.840269976s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus program crashed: possible deadlock in hfsplus_get_block testing compiled C program (duration=1m3.840269976s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus program crashed: possible deadlock in hfsplus_get_block reproducing took 9m52.822328809s repro crashed as (corrupted=false): loop0: detected capacity change from 0 to 1024 ============================================ WARNING: possible recursive locking detected 6.11.0-rc6-syzkaller-00017-gc9f016e72b5c #0 Not tainted -------------------------------------------- syz-executor391/5217 is trying to acquire lock: ffff8880301b1548 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_get_block+0x383/0x14f0 fs/hfsplus/extents.c:260 but task is already holding lock: ffff8880301b07c8 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_extend+0x21b/0x1b70 fs/hfsplus/extents.c:458 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&HFSPLUS_I(inode)->extents_lock); lock(&HFSPLUS_I(inode)->extents_lock); *** DEADLOCK *** May be due to missing lock nesting notation 5 locks held by syz-executor391/5217: #0: ffff88807d9940e0 (&type->s_umount_key#43/1){+.+.}-{3:3}, at: alloc_super+0x221/0x9d0 fs/super.c:344 #1: ffff88802863d198 (&sbi->vh_mutex){+.+.}-{3:3}, at: hfsplus_fill_super+0x1380/0x1ca0 fs/hfsplus/super.c:559 #2: ffff88803034a0b0 (&tree->tree_lock){+.+.}-{3:3}, at: hfsplus_find_init+0x14a/0x1c0 fs/hfsplus/bfind.c:28 #3: ffff8880301b07c8 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_extend+0x21b/0x1b70 fs/hfsplus/extents.c:458 #4: ffff88802863d0f8 (&sbi->alloc_mutex){+.+.}-{3:3}, at: hfsplus_block_allocate+0x9e/0x8c0 fs/hfsplus/bitmap.c:35 stack backtrace: CPU: 0 UID: 0 PID: 5217 Comm: syz-executor391 Not tainted 6.11.0-rc6-syzkaller-00017-gc9f016e72b5c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call Trace: __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119 check_deadlock kernel/locking/lockdep.c:3061 [inline] validate_chain+0x15d3/0x5900 kernel/locking/lockdep.c:3855 __lock_acquire+0x137a/0x2040 kernel/locking/lockdep.c:5142 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5759 __mutex_lock_common kernel/locking/mutex.c:608 [inline] __mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752 hfsplus_get_block+0x383/0x14f0 fs/hfsplus/extents.c:260 block_read_full_folio+0x418/0xcd0 fs/buffer.c:2406 filemap_read_folio+0x1a0/0x790 mm/filemap.c:2355 do_read_cache_folio+0x134/0x820 mm/filemap.c:3789 do_read_cache_page+0x30/0x200 mm/filemap.c:3855 read_mapping_page include/linux/pagemap.h:907 [inline] hfsplus_block_allocate+0xee/0x8c0 fs/hfsplus/bitmap.c:37 hfsplus_file_extend+0xade/0x1b70 fs/hfsplus/extents.c:469 hfsplus_bmap_reserve+0x105/0x4e0 fs/hfsplus/btree.c:358 hfsplus_create_cat+0x1b0/0x1b70 fs/hfsplus/catalog.c:272 hfsplus_fill_super+0x13ee/0x1ca0 fs/hfsplus/super.c:566 mount_bdev+0x20a/0x2d0 fs/super.c:1679 legacy_get_tree+0xee/0x190 fs/fs_context.c:662 vfs_get_tree+0x90/0x2b0 fs/super.c:1800 do_new_mount+0x2be/0xb40 fs/namespace.c:3472 do_mount fs/namespace.c:3812 [inline] __do_sys_mount fs/namespace.c:4020 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdcf1ffbdaa Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe6112a7b8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffe6112a7d0 RCX: 00007fdcf1ffbdaa RDX: 0000000020000000 RSI: 0000000020002380 RDI: 00007ffe6112a7d0 RBP: 0000000000000004 R08: 00007ffe6112a810 R09: 0000000000000702 R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 R13: 00007ffe6112a810 R14: 0000000000000003 R15: 0000000000080000 final repro crashed as (corrupted=false): loop0: detected capacity change from 0 to 1024 ============================================ WARNING: possible recursive locking detected 6.11.0-rc6-syzkaller-00017-gc9f016e72b5c #0 Not tainted -------------------------------------------- syz-executor391/5217 is trying to acquire lock: ffff8880301b1548 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_get_block+0x383/0x14f0 fs/hfsplus/extents.c:260 but task is already holding lock: ffff8880301b07c8 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_extend+0x21b/0x1b70 fs/hfsplus/extents.c:458 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&HFSPLUS_I(inode)->extents_lock); lock(&HFSPLUS_I(inode)->extents_lock); *** DEADLOCK *** May be due to missing lock nesting notation 5 locks held by syz-executor391/5217: #0: ffff88807d9940e0 (&type->s_umount_key#43/1){+.+.}-{3:3}, at: alloc_super+0x221/0x9d0 fs/super.c:344 #1: ffff88802863d198 (&sbi->vh_mutex){+.+.}-{3:3}, at: hfsplus_fill_super+0x1380/0x1ca0 fs/hfsplus/super.c:559 #2: ffff88803034a0b0 (&tree->tree_lock){+.+.}-{3:3}, at: hfsplus_find_init+0x14a/0x1c0 fs/hfsplus/bfind.c:28 #3: ffff8880301b07c8 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_extend+0x21b/0x1b70 fs/hfsplus/extents.c:458 #4: ffff88802863d0f8 (&sbi->alloc_mutex){+.+.}-{3:3}, at: hfsplus_block_allocate+0x9e/0x8c0 fs/hfsplus/bitmap.c:35 stack backtrace: CPU: 0 UID: 0 PID: 5217 Comm: syz-executor391 Not tainted 6.11.0-rc6-syzkaller-00017-gc9f016e72b5c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call Trace: __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119 check_deadlock kernel/locking/lockdep.c:3061 [inline] validate_chain+0x15d3/0x5900 kernel/locking/lockdep.c:3855 __lock_acquire+0x137a/0x2040 kernel/locking/lockdep.c:5142 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5759 __mutex_lock_common kernel/locking/mutex.c:608 [inline] __mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752 hfsplus_get_block+0x383/0x14f0 fs/hfsplus/extents.c:260 block_read_full_folio+0x418/0xcd0 fs/buffer.c:2406 filemap_read_folio+0x1a0/0x790 mm/filemap.c:2355 do_read_cache_folio+0x134/0x820 mm/filemap.c:3789 do_read_cache_page+0x30/0x200 mm/filemap.c:3855 read_mapping_page include/linux/pagemap.h:907 [inline] hfsplus_block_allocate+0xee/0x8c0 fs/hfsplus/bitmap.c:37 hfsplus_file_extend+0xade/0x1b70 fs/hfsplus/extents.c:469 hfsplus_bmap_reserve+0x105/0x4e0 fs/hfsplus/btree.c:358 hfsplus_create_cat+0x1b0/0x1b70 fs/hfsplus/catalog.c:272 hfsplus_fill_super+0x13ee/0x1ca0 fs/hfsplus/super.c:566 mount_bdev+0x20a/0x2d0 fs/super.c:1679 legacy_get_tree+0xee/0x190 fs/fs_context.c:662 vfs_get_tree+0x90/0x2b0 fs/super.c:1800 do_new_mount+0x2be/0xb40 fs/namespace.c:3472 do_mount fs/namespace.c:3812 [inline] __do_sys_mount fs/namespace.c:4020 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdcf1ffbdaa Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe6112a7b8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffe6112a7d0 RCX: 00007fdcf1ffbdaa RDX: 0000000020000000 RSI: 0000000020002380 RDI: 00007ffe6112a7d0 RBP: 0000000000000004 R08: 00007ffe6112a810 R09: 0000000000000702 R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 R13: 00007ffe6112a810 R14: 0000000000000003 R15: 0000000000080000