------------[ cut here ]------------ WARNING: CPU: 1 PID: 4599 at fs/crypto/fname.c:567 fscrypt_fname_siphash+0xc8/0xf8 fs/crypto/fname.c:567 Modules linked in: CPU: 1 PID: 4599 Comm: syz.0.58 Not tainted 6.1.134-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : fscrypt_fname_siphash+0xc8/0xf8 fs/crypto/fname.c:567 lr : fscrypt_fname_siphash+0xc8/0xf8 fs/crypto/fname.c:567 sp : ffff8000217c71b0 x29: ffff8000217c71b0 x28: dfff800000000000 x27: ffff0000d9cbec08 x26: ffff0000fbc5a0d0 x25: 0000000000000001 x24: 000000008d4c4d91 x23: 000000005948191c x22: dfff800000000000 x21: ffff0000df767000 x20: 0000000000000000 x19: ffff8000217c72e0 x18: 0000000000000000 x17: ffff800008de4f48 x16: ffff800012278700 x15: 0000000000000002 x14: 0000000000000006 x13: ffff0000f8821bc0 x12: 0000000000080000 x11: 0000000000000424 x10: ffff800021ffa000 x9 : ffff800008bab05c x8 : 0000000000000425 x7 : 0000000000000000 x6 : ffff0000d9cbec00 x5 : ffff0000df66e9f8 x4 : 0000000000000000 x3 : ffff800008e2452c x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: fscrypt_fname_siphash+0xc8/0xf8 fs/crypto/fname.c:567 __ext4fs_dirhash+0xb98/0xf2c fs/ext4/hash.c:268 ext4fs_dirhash+0x178/0x2e4 fs/ext4/hash.c:322 htree_dirblock_to_tree+0x5ac/0xdd4 fs/ext4/namei.c:1125 ext4_htree_fill_tree+0x570/0xf54 fs/ext4/namei.c:1220 ext4_dx_readdir fs/ext4/dir.c:608 [inline] ext4_readdir+0x2810/0x3388 fs/ext4/dir.c:145 iterate_dir+0x1f4/0x4ec fs/readdir.c:-1 __do_sys_getdents64 fs/readdir.c:369 [inline] __se_sys_getdents64 fs/readdir.c:354 [inline] __arm64_sys_getdents64+0x1c4/0x4a0 fs/readdir.c:354 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 3402 hardirqs last enabled at (3401): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (3401): [] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 hardirqs last disabled at (3402): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (3392): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (3390): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4599 at fs/crypto/fname.c:567 fscrypt_fname_siphash+0xc8/0xf8 fs/crypto/fname.c:567 Modules linked in: CPU: 0 PID: 4599 Comm: syz.0.58 Tainted: G W 6.1.134-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : fscrypt_fname_siphash+0xc8/0xf8 fs/crypto/fname.c:567 lr : fscrypt_fname_siphash+0xc8/0xf8 fs/crypto/fname.c:567 sp : ffff8000217c71b0 x29: ffff8000217c71b0 x28: dfff800000000000 x27: ffff0000d9cbec14 x26: ffff0000fbc5a0d0 x25: 0000000000000002 x24: 000000008d4c4d91 x23: 000000005948191c x22: dfff800000000000 x21: ffff0000df767000 x20: 0000000000000000 x19: ffff8000217c72e0 x18: 0000000000000000 x17: ffff800008de4f48 x16: ffff800012278700 x15: 0000000000000002 x14: 0000000000000006 x13: ffff0000f8821bc0 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800021ffa000 x9 : ffff800008bab05c x8 : 0000000000080000 x7 : 0000000000000000 x6 : ffff0000d9cbec00 x5 : ffff0000df66e9f8 x4 : 0000000000000000 x3 : ffff800008e2452c x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: fscrypt_fname_siphash+0xc8/0xf8 fs/crypto/fname.c:567 __ext4fs_dirhash+0xb98/0xf2c fs/ext4/hash.c:268 ext4fs_dirhash+0x178/0x2e4 fs/ext4/hash.c:322 htree_dirblock_to_tree+0x5ac/0xdd4 fs/ext4/namei.c:1125 ext4_htree_fill_tree+0x570/0xf54 fs/ext4/namei.c:1220 ext4_dx_readdir fs/ext4/dir.c:608 [inline] ext4_readdir+0x2810/0x3388 fs/ext4/dir.c:145 iterate_dir+0x1f4/0x4ec fs/readdir.c:-1 __do_sys_getdents64 fs/readdir.c:369 [inline] __se_sys_getdents64 fs/readdir.c:354 [inline] __arm64_sys_getdents64+0x1c4/0x4a0 fs/readdir.c:354 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 3446 hardirqs last enabled at (3445): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (3445): [] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 hardirqs last disabled at (3446): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (3438): [] softirq_handle_end kernel/softirq.c:421 [inline] softirqs last enabled at (3438): [] handle_softirqs+0xb84/0xd58 kernel/softirq.c:606 softirqs last disabled at (3405): [] __do_softirq+0x14/0x20 kernel/softirq.c:612 ---[ end trace 0000000000000000 ]---