Extracting prog: 1m57.762580614s Minimizing prog: 3m23.214453536s Simplifying prog options: 0s Extracting C: 1m5.592435443s Simplifying C: 8m52.111733801s 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$hfsplus-syz_clone detailed listing: executing program 0: syz_mount_image$hfsplus(&(0x7f0000000600), &(0x7f0000000640)='./file1\x00', 0x1008000, &(0x7f00000004c0)=ANY=[], 0x1, 0x5e8, &(0x7f0000000c80)="$eJzs3U9vXFcZB+DfTBxnHKR04iZtQJWwilQhLJIZWyIpG6AUZKEKVWLBekScxMokrewpcrsAg1hUrPoRysJfALEsUha0S1h1bdQlEnvvXN07d+xJPHEc2/WM2+eR7pxz7pl75j3v/ZN7x4omwDfW0nymHqWWpfm31ov21uZid2tz8cGgnuRCknrSSFIrVv8jyRfJRvpLvj3oGCr3+fyTxt3PPvr0wyRTQ6trQ8sx7MbS7Mdalic13sKxx3t8hrNJ5o4XH5yMnYH/juw+5nkJAEyyWnJu1PpmcjH9m//iOaB/V9y/xz7TNsYdAAAAAJyCF7aznfVcGnccAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAcJZUv/9fq5b6oD6X2uD3/6erdanqZ9qjcQcAAAAAAAAAACfgu9vZznouDdo7tfJv/q+WjSvl67fyXtaynNVcz3o66aWX1bSTNIcGml7v9Hqr7UNsuTByy4XTmS8AAAAAAAAAfE39OUt7f/8HAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIBJUEvO9YtyuTKoN1OfStJIMl28byP5z6B+lj0adwAAAABwCl7YznbWc2nQ3qmVz/wvlc/9jbyXh+llJb10s5zb5XcB/af++tbmYndrc/FBsewf92f/f64wyhHT/+5h9CdfK98xkztZKddcz+/yTrq5nXq5ZeHaIJ7Rcf2piKn2k8ohI7tdlcXMf1WVk6FZZuT8bkZaVWxFNi4fnInn3DtPflI79d1vfq58BTm/WJXFfN6c6JwvDB19Lx2ciWT2t3+9ea/78P69O2vzkzOlI3oyE4tDmXj5G5WJVpmJq7vtpfwyv8l85vJ2VrOS36dTXtbm8mY66aVTHc/Fa/PgTP30sdbbz4pkutov/avoM2JKL8tDMb1abnspK/l13sntco+2cjM3s5Af5fW0HtvDV0fG/cedqrs86+vPd9Z/7/tV5XySX1TlOFzYt6bI6+WhvA5fc5tl3/CavSzNnvy1ceo7VaU4et6YuGvj5Sf+lRhk4sWDM/G38sBZ6z68v3qv8+4hP++1qiwy8PN9mdg5d+wJHVlxvMwWO6tsPX50FH0vjuxrl31Xdvvq+/qu7vY960ydru7h9o+0UPa9PLKvv921ob5R91sATLyLP7g4PfO/mX/PfDzzl5l7M2813rhw68Ir0zn/r/M/nmqde63+Su3v+Th/2Hv+BwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAjm7t/Q/ud7rd5VUVlYMq9ckIQ+VkK3lq17ivTMBX7Ubvwbs31t7/4IcrDzp3l+8uP3y9detWu92+2bpxZ6W7XL2OO0oA4CTt3fSPOxIAAAAAAAAAAAAAAOBpTuN/Go97jgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwNfb0nymHqWWdut6q2hvbS52i2VQ33tnI0mtqPwzyRfJRvpLmkPD1Z72OZ9/0rj72Ueffrg3VmPw/tpB2x3OxmCIIpb6EzEdcbzduS0ce7y9Gc4lma1KGLsvAwAA//+89gPb") syz_clone(0x40040400, 0x0, 0x0, 0x0, 0x0, 0x0) program crashed: possible deadlock in hfsplus_get_block single: successfully extracted reproducer found reproducer with 2 syscalls minimizing guilty program testing program (duration=1m3.21019336s, {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$hfsplus(&(0x7f0000000600), &(0x7f0000000640)='./file1\x00', 0x1008000, &(0x7f00000004c0)=ANY=[], 0x1, 0x5e8, &(0x7f0000000c80)="$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") program did not crash testing program (duration=1m3.21019336s, {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_clone detailed listing: executing program 0: syz_clone(0x40040400, 0x0, 0x0, 0x0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=1m3.21019336s, {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$hfsplus-syz_clone program crashed: possible deadlock in hfsplus_get_block simplifying C reproducer testing compiled C program (duration=1m3.21019336s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-syz_clone program crashed: possible deadlock in hfsplus_get_block testing compiled C program (duration=1m3.21019336s, {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$hfsplus-syz_clone program crashed: possible deadlock in hfsplus_get_block testing compiled C program (duration=1m3.21019336s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-syz_clone program crashed: possible deadlock in hfsplus_get_block testing compiled C program (duration=1m3.21019336s, {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$hfsplus-syz_clone program crashed: possible deadlock in hfsplus_get_block testing compiled C program (duration=1m3.21019336s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-syz_clone program did not crash testing compiled C program (duration=1m3.21019336s, {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:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-syz_clone program crashed: possible deadlock in hfsplus_get_block testing compiled C program (duration=1m3.21019336s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-syz_clone program crashed: possible deadlock in hfsplus_get_block reproducing took 15m18.681241594s repro crashed as (corrupted=false): ============================================ WARNING: possible recursive locking detected 5.15.179-syzkaller #0 Not tainted -------------------------------------------- syz-executor359/4018 is trying to acquire lock: ffff0000cb058e88 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_get_block+0x2c4/0x1194 fs/hfsplus/extents.c:260 but task is already holding lock: ffff0000d9270108 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x250/0xa2c fs/hfsplus/extents.c:577 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 6 locks held by syz-executor359/4018: #0: ffff0000d9f8c460 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:377 #1: ffff0000cb059740 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:822 [inline] #1: ffff0000cb059740 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x830 fs/namei.c:4331 #2: ffff0000d9270300 (&sb->s_type->i_mutex_key#17){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline] #2: ffff0000d9270300 (&sb->s_type->i_mutex_key#17){+.+.}-{3:3}, at: vfs_unlink+0xd8/0x508 fs/namei.c:4269 #3: ffff0000d5dfc198 (&sbi->vh_mutex){+.+.}-{3:3}, at: hfsplus_unlink+0x144/0x6a0 fs/hfsplus/dir.c:370 #4: ffff0000d9270108 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x250/0xa2c fs/hfsplus/extents.c:577 #5: ffff0000d5dfc0f8 (&sbi->alloc_mutex){+.+.}-{3:3}, at: hfsplus_block_free+0xcc/0x514 fs/hfsplus/bitmap.c:182 stack backtrace: CPU: 1 PID: 4018 Comm: syz-executor359 Not tainted 5.15.179-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 validate_chain kernel/locking/lockdep.c:-1 [inline] __lock_acquire+0x62bc/0x7638 kernel/locking/lockdep.c:5012 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623 __mutex_lock_common+0x194/0x2154 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743 hfsplus_get_block+0x2c4/0x1194 fs/hfsplus/extents.c:260 block_read_full_page+0x2a0/0xc4c fs/buffer.c:2290 hfsplus_readpage+0x28/0x38 fs/hfsplus/inode.c:28 do_read_cache_page+0x60c/0x950 mm/filemap.c:-1 read_cache_page+0x68/0x84 mm/filemap.c:3574 read_mapping_page include/linux/pagemap.h:515 [inline] hfsplus_block_free+0x120/0x514 fs/hfsplus/bitmap.c:185 hfsplus_free_extents+0x148/0x8d4 fs/hfsplus/extents.c:363 hfsplus_file_truncate+0x678/0xa2c fs/hfsplus/extents.c:592 hfsplus_delete_inode+0x154/0x200 fs/hfsplus/inode.c:-1 hfsplus_unlink+0x414/0x6a0 fs/hfsplus/dir.c:405 vfs_unlink+0x2f0/0x508 fs/namei.c:4280 do_unlinkat+0x4cc/0x830 fs/namei.c:4348 __do_sys_unlinkat fs/namei.c:4391 [inline] __se_sys_unlinkat fs/namei.c:4384 [inline] __arm64_sys_unlinkat+0xcc/0xfc fs/namei.c:4384 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 hfsplus: unable to mark blocks free: error -5 hfsplus: can't free extent hfsplus: unable to mark blocks free: error -5 hfsplus: can't free extent hfsplus: unable to mark blocks free: error -5 hfsplus: can't free extent final repro crashed as (corrupted=false): ============================================ WARNING: possible recursive locking detected 5.15.179-syzkaller #0 Not tainted -------------------------------------------- syz-executor359/4018 is trying to acquire lock: ffff0000cb058e88 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_get_block+0x2c4/0x1194 fs/hfsplus/extents.c:260 but task is already holding lock: ffff0000d9270108 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x250/0xa2c fs/hfsplus/extents.c:577 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 6 locks held by syz-executor359/4018: #0: ffff0000d9f8c460 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:377 #1: ffff0000cb059740 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:822 [inline] #1: ffff0000cb059740 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x830 fs/namei.c:4331 #2: ffff0000d9270300 (&sb->s_type->i_mutex_key#17){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline] #2: ffff0000d9270300 (&sb->s_type->i_mutex_key#17){+.+.}-{3:3}, at: vfs_unlink+0xd8/0x508 fs/namei.c:4269 #3: ffff0000d5dfc198 (&sbi->vh_mutex){+.+.}-{3:3}, at: hfsplus_unlink+0x144/0x6a0 fs/hfsplus/dir.c:370 #4: ffff0000d9270108 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x250/0xa2c fs/hfsplus/extents.c:577 #5: ffff0000d5dfc0f8 (&sbi->alloc_mutex){+.+.}-{3:3}, at: hfsplus_block_free+0xcc/0x514 fs/hfsplus/bitmap.c:182 stack backtrace: CPU: 1 PID: 4018 Comm: syz-executor359 Not tainted 5.15.179-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 validate_chain kernel/locking/lockdep.c:-1 [inline] __lock_acquire+0x62bc/0x7638 kernel/locking/lockdep.c:5012 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623 __mutex_lock_common+0x194/0x2154 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743 hfsplus_get_block+0x2c4/0x1194 fs/hfsplus/extents.c:260 block_read_full_page+0x2a0/0xc4c fs/buffer.c:2290 hfsplus_readpage+0x28/0x38 fs/hfsplus/inode.c:28 do_read_cache_page+0x60c/0x950 mm/filemap.c:-1 read_cache_page+0x68/0x84 mm/filemap.c:3574 read_mapping_page include/linux/pagemap.h:515 [inline] hfsplus_block_free+0x120/0x514 fs/hfsplus/bitmap.c:185 hfsplus_free_extents+0x148/0x8d4 fs/hfsplus/extents.c:363 hfsplus_file_truncate+0x678/0xa2c fs/hfsplus/extents.c:592 hfsplus_delete_inode+0x154/0x200 fs/hfsplus/inode.c:-1 hfsplus_unlink+0x414/0x6a0 fs/hfsplus/dir.c:405 vfs_unlink+0x2f0/0x508 fs/namei.c:4280 do_unlinkat+0x4cc/0x830 fs/namei.c:4348 __do_sys_unlinkat fs/namei.c:4391 [inline] __se_sys_unlinkat fs/namei.c:4384 [inline] __arm64_sys_unlinkat+0xcc/0xfc fs/namei.c:4384 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 hfsplus: unable to mark blocks free: error -5 hfsplus: can't free extent hfsplus: unable to mark blocks free: error -5 hfsplus: can't free extent hfsplus: unable to mark blocks free: error -5 hfsplus: can't free extent