hfs: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 12570 at fs/hfs/bnode.c:422 hfs_bnode_create+0x428/0x4dc fs/hfs/bnode.c:421 Modules linked in: CPU: 1 PID: 12570 Comm: syz-executor.0 Not tainted 6.1.71-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfs_bnode_create+0x428/0x4dc fs/hfs/bnode.c:421 lr : hfs_bnode_create+0x428/0x4dc fs/hfs/bnode.c:421 sp : ffff800020f16ed0 x29: ffff800020f16ee0 x28: dfff800000000000 x27: dfff800000000000 x26: 000000000000016c x25: ffff0000d14c4c88 x24: 0000000000000000 x23: 0000000000000000 x22: ffff00012c9f00e0 x21: ffff00012c9f0000 x20: 0000000000000000 x19: ffff0000d14c4c00 x18: 1fffe00036870376 x17: ffff80001581d000 x16: ffff80001214564c x15: ffff0001b4381bbc x14: 1ffff00002b040b0 x13: dfff800000000000 x12: 0000000000040000 x11: 00000000000254e7 x10: ffff80001e5f9000 x9 : 28b9299d902c7600 x8 : 28b9299d902c7600 x7 : ffff80000827c3a8 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000aa874cc x2 : ffff0001b4381cd0 x1 : 0000000100000000 x0 : 000000000000001f Call trace: hfs_bnode_create+0x428/0x4dc fs/hfs/bnode.c:421 hfs_bmap_alloc+0x59c/0x664 fs/hfs/btree.c:291 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:431 write_inode fs/fs-writeback.c:1460 [inline] __writeback_single_inode+0x614/0x1770 fs/fs-writeback.c:1677 writeback_single_inode+0x1c0/0x79c fs/fs-writeback.c:1733 write_inode_now+0x198/0x230 fs/fs-writeback.c:2769 hfs_file_fsync+0xac/0x148 fs/hfs/inode.c:679 vfs_fsync_range+0x168/0x188 fs/sync.c:188 generic_write_sync include/linux/fs.h:2940 [inline] generic_file_write_iter+0x228/0x2b4 mm/filemap.c:3981 do_iter_write+0x534/0x964 fs/read_write.c:861 vfs_writev fs/read_write.c:934 [inline] do_pwritev+0x1ec/0x334 fs/read_write.c:1031 __do_sys_pwritev2 fs/read_write.c:1090 [inline] __se_sys_pwritev2 fs/read_write.c:1081 [inline] __arm64_sys_pwritev2+0xd4/0x108 fs/read_write.c:1081 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 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: 3180 hardirqs last enabled at (3179): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1366 [inline] hardirqs last enabled at (3179): [] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5004 hardirqs last disabled at (3180): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (3120): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (3120): [] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600 softirqs last disabled at (3007): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ kernel BUG at fs/hfs/bnode.c:467! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 12570 Comm: syz-executor.0 Tainted: G W 6.1.71-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfs_bnode_put+0x318/0x324 fs/hfs/bnode.c:467 lr : hfs_bnode_put+0x318/0x324 fs/hfs/bnode.c:467 sp : ffff800020f16ff0 x29: ffff800020f16ff0 x28: dfff800000000000 x27: ffff7000041e2e14 x26: 1fffe0002593e003 x25: 0000000000000200 x24: 1fffe0001a298980 x23: dfff800000000000 x22: ffff00012c9f0000 x21: ffff0000d14c4c80 x20: 0000000000000000 x19: ffff0000d14c4c00 x18: 1fffe00036870376 x17: ffff80001581d000 x16: ffff80001214577c x15: ffff0001b4381bbc x14: 1ffff00002b040b0 x13: dfff800000000000 x12: 0000000000040000 x11: 000000000003ffff x10: ffff80001e5f9000 x9 : ffff800009099934 x8 : 0000000000040000 x7 : ffff8000089d248c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800009099674 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: hfs_bnode_put+0x318/0x324 fs/hfs/bnode.c:467 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:431 write_inode fs/fs-writeback.c:1460 [inline] __writeback_single_inode+0x614/0x1770 fs/fs-writeback.c:1677 writeback_single_inode+0x1c0/0x79c fs/fs-writeback.c:1733 write_inode_now+0x198/0x230 fs/fs-writeback.c:2769 hfs_file_fsync+0xac/0x148 fs/hfs/inode.c:679 vfs_fsync_range+0x168/0x188 fs/sync.c:188 generic_write_sync include/linux/fs.h:2940 [inline] generic_file_write_iter+0x228/0x2b4 mm/filemap.c:3981 do_iter_write+0x534/0x964 fs/read_write.c:861 vfs_writev fs/read_write.c:934 [inline] do_pwritev+0x1ec/0x334 fs/read_write.c:1031 __do_sys_pwritev2 fs/read_write.c:1090 [inline] __se_sys_pwritev2 fs/read_write.c:1081 [inline] __arm64_sys_pwritev2+0xd4/0x108 fs/read_write.c:1081 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 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 Code: aa1503e0 97e366a6 17ffffd5 97d183bc (d4210000) ---[ end trace 0000000000000000 ]---