------------[ cut here ]------------ WARNING: CPU: 0 PID: 6608 at fs/hfs/bnode.c:431 hfs_bnode_create.cold+0x27/0x4e fs/hfs/bnode.c:431 Kernel panic - not syncing: panic_on_warn set ... hfs_bmap_alloc+0xfe/0x5e0 fs/hfs/btree.c:263 hfs_btree_inc_height.isra.0+0xe6/0x950 fs/hfs/brec.c:471 hfs_brec_insert+0x97f/0xbb0 fs/hfs/brec.c:77 __hfs_ext_write_extent+0x3ec/0x510 fs/hfs/extent.c:124 __hfs_ext_cache_extent fs/hfs/extent.c:174 [inline] hfs_ext_read_extent+0x810/0xa20 fs/hfs/extent.c:202 hfs_extend_file+0x4a0/0xac0 fs/hfs/extent.c:401 hfs_get_block+0x17b/0x7e0 fs/hfs/extent.c:353 __block_write_begin_int+0x46c/0x17b0 fs/buffer.c:1978 __block_write_begin fs/buffer.c:2028 [inline] block_write_begin+0x58/0x2e0 fs/buffer.c:2087 cont_write_begin+0x55a/0x820 fs/buffer.c:2440 hfs_write_begin+0x87/0x150 fs/hfs/inode.c:58 generic_perform_write+0x1f8/0x4d0 mm/filemap.c:3170 __generic_file_write_iter+0x24b/0x610 mm/filemap.c:3295 generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 vfs_write+0x1f3/0x540 fs/read_write.c:549 ksys_write+0x12b/0x2a0 fs/read_write.c:599 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f3e19e6a0a9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f3e183dc168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3e19f89f80 RCX: 00007f3e19e6a0a9 RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004 RBP: 00007f3e183dc1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffda1e34e4f R14: 00007f3e183dc300 R15: 0000000000022000 CPU: 0 PID: 6608 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:hfs_bnode_create.cold+0x27/0x4e fs/hfs/bnode.c:431 Code: 14 07 fa e8 e8 39 6c f9 4c 89 ef e8 70 04 23 00 89 ee 48 c7 c7 e0 9c 7d 88 e8 3d 6b fd ff 48 c7 c7 40 9d 7d 88 e8 31 6b fd ff <0f> 0b e9 b1 1c 07 fa e8 ba 39 6c f9 89 ee 48 c7 c7 40 9a 7d 88 e8 RSP: 0018:ffff888044777290 EFLAGS: 00010282 RAX: 0000000000000024 RBX: dffffc0000000000 RCX: 0000000000000000 hfs: new node 0 already hashed? RDX: 0000000000040000 RSI: ffffffff814dff01 RDI: ffffed10088eee44 RBP: 0000000000000000 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880aba63900 R13: ffff8880aa0ba210 R14: ffff8880aa0ba140 R15: 0000000000000000 ------------[ cut here ]------------ hfs_bmap_alloc+0x4d6/0x5e0 fs/hfs/btree.c:288 WARNING: CPU: 1 PID: 6610 at fs/hfs/bnode.c:431 hfs_bnode_create.cold+0x27/0x4e fs/hfs/bnode.c:431 hfs_btree_inc_height.isra.0+0xe6/0x950 fs/hfs/brec.c:471 Modules linked in: CPU: 1 PID: 6610 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:hfs_bnode_create.cold+0x27/0x4e fs/hfs/bnode.c:431 Code: 14 07 fa e8 e8 39 6c f9 4c 89 ef e8 70 04 23 00 89 ee 48 c7 c7 e0 9c 7d 88 e8 3d 6b fd ff 48 c7 c7 40 9d 7d 88 e8 31 6b fd ff <0f> 0b e9 b1 1c 07 fa e8 ba 39 6c f9 89 ee 48 c7 c7 40 9a 7d 88 e8 hfs_brec_insert+0x84d/0xbb0 fs/hfs/brec.c:148 RSP: 0018:ffff88804e897290 EFLAGS: 00010282 RAX: 0000000000000024 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff814dff01 RDI: ffffed1009d12e44 __hfs_ext_write_extent+0x3ec/0x510 fs/hfs/extent.c:124 RBP: 0000000000000000 R08: 0000000000000024 R09: 0000000000000000 __hfs_ext_cache_extent fs/hfs/extent.c:174 [inline] hfs_ext_read_extent+0x810/0xa20 fs/hfs/extent.c:202 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880ac2a4a00 R13: ffff88805210a6d0 R14: ffff88805210a600 R15: 0000000000000000 FS: 00007f3e183dc700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9527b67018 CR3: 00000000a944d000 CR4: 00000000003426e0 hfs_extend_file+0x4a0/0xac0 fs/hfs/extent.c:401 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfs_bmap_alloc+0x4d6/0x5e0 fs/hfs/btree.c:288 hfs_get_block+0x17b/0x7e0 fs/hfs/extent.c:353 __block_write_begin_int+0x46c/0x17b0 fs/buffer.c:1978 hfs_btree_inc_height.isra.0+0xe6/0x950 fs/hfs/brec.c:471 __block_write_begin fs/buffer.c:2028 [inline] block_write_begin+0x58/0x2e0 fs/buffer.c:2087 cont_write_begin+0x55a/0x820 fs/buffer.c:2440 hfs_brec_insert+0x84d/0xbb0 fs/hfs/brec.c:148 __hfs_ext_write_extent+0x3ec/0x510 fs/hfs/extent.c:124 __hfs_ext_cache_extent fs/hfs/extent.c:174 [inline] hfs_ext_read_extent+0x810/0xa20 fs/hfs/extent.c:202 hfs_write_begin+0x87/0x150 fs/hfs/inode.c:58 hfs_extend_file+0x4a0/0xac0 fs/hfs/extent.c:401 generic_perform_write+0x1f8/0x4d0 mm/filemap.c:3170 hfs_get_block+0x17b/0x7e0 fs/hfs/extent.c:353 __block_write_begin_int+0x46c/0x17b0 fs/buffer.c:1978 __generic_file_write_iter+0x24b/0x610 mm/filemap.c:3295 generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 __block_write_begin fs/buffer.c:2028 [inline] block_write_begin+0x58/0x2e0 fs/buffer.c:2087 cont_write_begin+0x55a/0x820 fs/buffer.c:2440 vfs_write+0x1f3/0x540 fs/read_write.c:549 ksys_write+0x12b/0x2a0 fs/read_write.c:599 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f1ebeae30a9 hfs_write_begin+0x87/0x150 fs/hfs/inode.c:58 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f1ebd055168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 generic_perform_write+0x1f8/0x4d0 mm/filemap.c:3170 RAX: ffffffffffffffda RBX: 00007f1ebec02f80 RCX: 00007f1ebeae30a9 RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004 RBP: 00007f1ebd0551d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd87d3772f R14: 00007f1ebd055300 R15: 0000000000022000 __generic_file_write_iter+0x24b/0x610 mm/filemap.c:3295 generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 vfs_write+0x1f3/0x540 fs/read_write.c:549 ksys_write+0x12b/0x2a0 fs/read_write.c:599 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f3e19e6a0a9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f3e183dc168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3e19f89f80 RCX: 00007f3e19e6a0a9 RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004 RBP: 00007f3e183dc1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffda1e34e4f R14: 00007f3e183dc300 R15: 0000000000022000 irq event stamp: 6554 hardirqs last enabled at (6553): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (6553): [] _raw_spin_unlock_irq+0x24/0x80 kernel/locking/spinlock.c:192 hardirqs last disabled at (6554): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (6506): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (6367): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (6367): [] irq_exit+0x215/0x260 kernel/softirq.c:412 ---[ end trace c0ab782fd6b28be8 ]--- Kernel Offset: disabled Rebooting in 86400 seconds.. ---------------- Code disassembly (best guess): 0: 28 00 sub %al,(%rax) 2: 00 00 add %al,(%rax) 4: 75 05 jne 0xb 6: 48 83 c4 28 add $0x28,%rsp a: c3 retq b: e8 f1 19 00 00 callq 0x1a01 10: 90 nop 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall * 2a: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 retq 33: 48 c7 c1 b8 ff ff ff mov $0xffffffffffffffb8,%rcx 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W