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WARNING in hfsplus_bnode_create

Status: upstream: reported C repro on 2023/05/13 19:31
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+b9a11951980cf86e1899@syzkaller.appspotmail.com
First crash: 208d, last: 67d
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2023/05/19 upstream (ToT) 2d1bcbc6cd70 C [report] WARNING in hfsplus_bnode_create
▶ ▼ Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in hfsplus_bnode_create hfs C error 195 8h29m 370d 0/25 upstream: reported C repro on 2022/12/02 04:34
linux-4.14 WARNING in hfsplus_bnode_create hfsplus C 1 305d 343d 0/1 upstream: reported C repro on 2022/12/29 14:39
linux-4.19 WARNING in hfsplus_bnode_create hfsplus C error 5 304d 372d 0/1 upstream: reported C repro on 2022/11/30 07:43
linux-6.1 WARNING in hfsplus_bnode_create origin:upstream C 9 9d15h 226d 0/3 upstream: reported C repro on 2023/04/25 07:57

Sample crash report:
loop0: detected capacity change from 0 to 1024
hfsplus: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3968 at fs/hfsplus/bnode.c:584 hfsplus_bnode_create+0x428/0x4ec fs/hfsplus/bnode.c:583
Modules linked in:
CPU: 1 PID: 3968 Comm: syz-executor870 Not tainted 5.15.111-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : hfsplus_bnode_create+0x428/0x4ec fs/hfsplus/bnode.c:583
lr : hfsplus_bnode_create+0x428/0x4ec fs/hfsplus/bnode.c:583
sp : ffff80001cdb6c70
x29: ffff80001cdb6c80 x28: ffff0000ddcd60f8 x27: ffff0000ddcd6000
x26: 00000000000000f8 x25: dfff800000000000 x24: 0000000000000000
x23: 0000000000000000 x22: ffff0000c9a440e0 x21: ffff0000c9a44000
x20: 0000000000000000 x19: ffff0000c0f7fc00 x18: 0000000000000001
x17: ff808000083359dc x16: ffff800011948074 x15: ffff8000083359dc
x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000000
x11: ff8080000832c484 x10: 0000000000000000 x9 : 825ef17445ee0200
x8 : 825ef17445ee0200 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001cdb63d8 x4 : ffff8000149afce0 x3 : ffff80000a9525e0
x2 : ffff0001b481ed10 x1 : 0000000100000000 x0 : 0000000000000023
Call trace:
 hfsplus_bnode_create+0x428/0x4ec fs/hfsplus/bnode.c:583
 hfsplus_bmap_alloc+0x5a4/0x698 fs/hfsplus/btree.c:414
 hfs_btree_inc_height+0xf8/0xa60 fs/hfsplus/brec.c:475
 hfsplus_brec_insert+0x11c/0xaa0 fs/hfsplus/brec.c:75
 __hfsplus_ext_write_extent+0x288/0x4bc fs/hfsplus/extents.c:107
 __hfsplus_ext_cache_extent+0x84/0xa84 fs/hfsplus/extents.c:186
 hfsplus_ext_read_extent fs/hfsplus/extents.c:218 [inline]
 hfsplus_file_extend+0x390/0x14e0 fs/hfsplus/extents.c:461
 hfsplus_get_block+0x398/0x1194 fs/hfsplus/extents.c:245
 __block_write_begin_int+0x3ec/0x1608 fs/buffer.c:2012
 __block_write_begin fs/buffer.c:2062 [inline]
 block_write_begin fs/buffer.c:2122 [inline]
 cont_write_begin+0x538/0x710 fs/buffer.c:2471
 hfsplus_write_begin+0xa8/0xf8 fs/hfsplus/inode.c:53
 generic_perform_write+0x24c/0x520 mm/filemap.c:3776
 __generic_file_write_iter+0x230/0x454 mm/filemap.c:3903
 generic_file_write_iter+0xb4/0x1b8 mm/filemap.c:3935
 call_write_iter include/linux/fs.h:2103 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x87c/0xb3c 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:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 18202
hardirqs last  enabled at (18201): [<ffff80000832a61c>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (18202): [<ffff800011943708>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387
softirqs last  enabled at (17038): [<ffff800008020ccc>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (17038): [<ffff800008020ccc>] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587
softirqs last disabled at (16663): [<ffff8000081b573c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (16663): [<ffff8000081b573c>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (16663): [<ffff8000081b573c>] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636
---[ end trace 67bd52ab03f1bb8b ]---
------------[ cut here ]------------
kernel BUG at fs/hfsplus/bnode.c:631!
Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 3968 Comm: syz-executor870 Tainted: G        W         5.15.111-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : hfsplus_bnode_put+0x588/0x594 fs/hfsplus/bnode.c:631
lr : hfsplus_bnode_put+0x588/0x594 fs/hfsplus/bnode.c:631
sp : ffff80001cdb6d80
x29: ffff80001cdb6d80 x28: dfff800000000000 x27: ffff7000039b6dc8
x26: 1fffe00019348803 x25: ffff0000c9a44000 x24: 1fffe000181eff80
x23: dfff800000000000 x22: ffff0000c0f7fc00 x21: ffff0000c0f7fc80
x20: 0000000000000000 x19: ffff0000c0f7fc00 x18: 0000000000000001
x17: ff808000083359dc x16: ffff800011948204 x15: ffff8000083359dc
x14: 1ffff0000291a06a x13: ffffffffffffffff x12: 0000000000000000
x11: ff80800008fafdd0 x10: 0000000000000000 x9 : ffff800008fafdd0
x8 : ffff0000d8e99b40 x7 : ffff800008914708 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800008faf8a4
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 hfsplus_bnode_put+0x588/0x594 fs/hfsplus/bnode.c:631
 hfs_btree_inc_height+0x4fc/0xa60 fs/hfsplus/brec.c:530
 hfsplus_brec_insert+0x11c/0xaa0 fs/hfsplus/brec.c:75
 __hfsplus_ext_write_extent+0x288/0x4bc fs/hfsplus/extents.c:107
 __hfsplus_ext_cache_extent+0x84/0xa84 fs/hfsplus/extents.c:186
 hfsplus_ext_read_extent fs/hfsplus/extents.c:218 [inline]
 hfsplus_file_extend+0x390/0x14e0 fs/hfsplus/extents.c:461
 hfsplus_get_block+0x398/0x1194 fs/hfsplus/extents.c:245
 __block_write_begin_int+0x3ec/0x1608 fs/buffer.c:2012
 __block_write_begin fs/buffer.c:2062 [inline]
 block_write_begin fs/buffer.c:2122 [inline]
 cont_write_begin+0x538/0x710 fs/buffer.c:2471
 hfsplus_write_begin+0xa8/0xf8 fs/hfsplus/inode.c:53
 generic_perform_write+0x24c/0x520 mm/filemap.c:3776
 __generic_file_write_iter+0x230/0x454 mm/filemap.c:3903
 generic_file_write_iter+0xb4/0x1b8 mm/filemap.c:3935
 call_write_iter include/linux/fs.h:2103 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x87c/0xb3c 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:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: aa1403e0 97e45cf7 17ffff77 97d44af2 (d4210000) 
---[ end trace 67bd52ab03f1bb8c ]---

Crashes (7):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/05/13 19:31 linux-5.15.y b0ece631f84a 2b9ba477 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in hfsplus_bnode_create
2023/06/27 17:56 linux-5.15.y f67653019430 4cd5bb25 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan WARNING in hfsplus_bnode_create
2023/05/30 05:30 linux-5.15.y 1fe619a7d252 cf184559 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan WARNING in hfsplus_bnode_create
2023/06/07 05:44 linux-5.15.y d7af3e5ba454 a4ae4f42 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in hfsplus_bnode_create
2023/10/01 06:32 linux-5.15.y b911329317b4 8e26a358 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in hfsplus_bnode_create
2023/09/22 03:21 linux-5.15.y 35ecaa3632bf 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hfsplus_bnode_create
2023/05/30 05:23 linux-5.15.y 1fe619a7d252 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hfsplus_bnode_create
* Struck through repros no longer work on HEAD.