hfs: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6985 at fs/hfs/bnode.c:432 hfs_bnode_create+0x428/0x4ec fs/hfs/bnode.c:431 Modules linked in: CPU: 1 PID: 6985 Comm: syz.2.589 Not tainted 5.15.178-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 : hfs_bnode_create+0x428/0x4ec fs/hfs/bnode.c:431 lr : hfs_bnode_create+0x428/0x4ec fs/hfs/bnode.c:431 sp : ffff800020686fd0 x29: ffff800020686fe0 x28: ffff0000f3576000 x27: 000000000000008c x26: ffff0000f357608c x25: dfff800000000000 x24: 1ffff000040d0e10 x23: 0000000000000000 x22: ffff0000e95200e0 x21: ffff0000e9520000 x20: 0000000000000000 x19: ffff0000d128ee00 x18: 1fffe00036832d8e x17: 1fffe00036832d8e x16: ffff800011b4e3fc x15: ffff800014c0fac0 x14: 1ffff0000296e06c x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : 9d93e9c1d7125400 x8 : 9d93e9c1d7125400 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000aa0f0fc x2 : ffff0001b4196d10 x1 : 0000000100000000 x0 : 000000000000001f Call trace: hfs_bnode_create+0x428/0x4ec fs/hfs/bnode.c:431 hfs_bmap_alloc+0x5c0/0x6b4 fs/hfs/btree.c:288 hfs_btree_inc_height+0xf8/0x9d0 fs/hfs/brec.c:471 hfs_brec_insert+0x580/0x97c fs/hfs/brec.c:148 __hfs_ext_write_extent+0x240/0x468 fs/hfs/extent.c:124 hfs_ext_write_extent+0x148/0x1c0 fs/hfs/extent.c:144 hfs_write_inode+0xc0/0xc1c fs/hfs/inode.c:432 write_inode fs/fs-writeback.c:1495 [inline] __writeback_single_inode+0x584/0x13a4 fs/fs-writeback.c:1705 writeback_single_inode+0x1c0/0x79c fs/fs-writeback.c:1760 write_inode_now+0x240/0x2d0 fs/fs-writeback.c:2800 hfs_file_fsync+0xac/0x148 fs/hfs/inode.c:680 vfs_fsync_range+0x168/0x188 fs/sync.c:188 generic_write_sync include/linux/fs.h:2991 [inline] generic_file_write_iter+0x15c/0x1b8 mm/filemap.c:3948 call_write_iter include/linux/fs.h:2174 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x884/0xb44 fs/read_write.c:594 ksys_write+0x15c/0x26c fs/read_write.c:647 __do_sys_write fs/read_write.c:659 [inline] __se_sys_write fs/read_write.c:656 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:656 __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 irq event stamp: 2190 hardirqs last enabled at (2189): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (2189): [] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:4781 hardirqs last disabled at (2190): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (2132): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2132): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (1743): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (1743): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (1743): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (1743): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace 8f1844525e35c320 ]--- ------------[ cut here ]------------ kernel BUG at fs/hfs/bnode.c:479! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 6985 Comm: syz.2.589 Tainted: G W 5.15.178-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 : hfs_bnode_put+0x414/0x420 fs/hfs/bnode.c:479 lr : hfs_bnode_put+0x414/0x420 fs/hfs/bnode.c:479 sp : ffff8000206870f0 x29: ffff8000206870f0 x28: dfff800000000000 x27: ffff7000040d0e34 x26: 1fffe0001d2a4003 x25: 0000000000000200 x24: 1fffe0001a251dc0 x23: dfff800000000000 x22: ffff0000e9520000 x21: ffff0000d128ee80 x20: 0000000000000000 x19: ffff0000d128ee00 x18: 1fffe00036832d8e x17: 1fffe00036832d8e x16: ffff800011b4e58c x15: ffff800014c0fac0 x14: 1ffff0000296e06c x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000c81a0000 x8 : ffff800008fde2a0 x7 : ffff800008922854 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800008fddee4 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: hfs_bnode_put+0x414/0x420 fs/hfs/bnode.c:479 hfs_btree_inc_height+0x4c0/0x9d0 fs/hfs/brec.c:525 hfs_brec_insert+0x580/0x97c fs/hfs/brec.c:148 __hfs_ext_write_extent+0x240/0x468 fs/hfs/extent.c:124 hfs_ext_write_extent+0x148/0x1c0 fs/hfs/extent.c:144 hfs_write_inode+0xc0/0xc1c fs/hfs/inode.c:432 write_inode fs/fs-writeback.c:1495 [inline] __writeback_single_inode+0x584/0x13a4 fs/fs-writeback.c:1705 writeback_single_inode+0x1c0/0x79c fs/fs-writeback.c:1760 write_inode_now+0x240/0x2d0 fs/fs-writeback.c:2800 hfs_file_fsync+0xac/0x148 fs/hfs/inode.c:680 vfs_fsync_range+0x168/0x188 fs/sync.c:188 generic_write_sync include/linux/fs.h:2991 [inline] generic_file_write_iter+0x15c/0x1b8 mm/filemap.c:3948 call_write_iter include/linux/fs.h:2174 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x884/0xb44 fs/read_write.c:594 ksys_write+0x15c/0x26c fs/read_write.c:647 __do_sys_write fs/read_write.c:659 [inline] __se_sys_write fs/read_write.c:656 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:656 __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 Code: aa1403e0 97e3dcbc 17ffffa5 97d39883 (d4210000) ---[ end trace 8f1844525e35c321 ]---