__bch2_create+0x7ae/0xf60 fs/bcachefs/fs.c:522
bch2_mknod fs/bcachefs/fs.c:673 [inline]
bch2_create+0xea/0x1b0 fs/bcachefs/fs.c:687
lookup_open fs/namei.c:3595 [inline]
open_last_lookups fs/namei.c:3694 [inline]
path_openat+0x1c03/0x3590 fs/namei.c:3930
do_filp_open+0x235/0x490 fs/namei.c:3960
file_open_name fs/open.c:1360 [inline]
filp_open+0x261/0x2d0 fs/open.c:1380
do_coredump+0x1fbe/0x2ec0 fs/coredump.c:699
get_signal+0x13fc/0x1740 kernel/signal.c:2902
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f821dd7cadf
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 c9 8d 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 1c 8e 02 00 48
RSP: 002b:00007f821eb82df0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: 0000000000040000 RBX: 0000000000040000 RCX: 00007f821dd7cadf
RDX: 0000000000040000 RSI: 00007f8212200000 RDI: 000000000000000a
RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000044b
R10: 00000000000003bc R11: 0000000000000293 R12: 000000000000000a
R13: 00007f821eb82ef0 R14: 00007f821eb82eb0 R15: 00007f8212200000
</TASK>
Mem-Info:
active_anon:2268 inactive_anon:247 isolated_anon:0
active_file:546 inactive_file:36422 isolated_file:0
unevictable:1768 dirty:913 writeback:0
slab_reclaimable:6836 slab_unreclaimable:33938
mapped:4876 shmem:2361 pagetables:418
sec_pagetables:293 bounce:0
kernel_misc_reclaimable:0
free:52880 free_pcp:45 free_cma:0
Node 0 active_anon:56kB inactive_anon:188kB active_file:120kB inactive_file:0kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:112kB dirty:8kB writeback:0kB shmem:1536kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:3308kB pagetables:584kB sec_pagetables:1120kB all_unreclaimable? no
Node 0 DMA free:1368kB boost:2048kB min:2808kB low:2996kB high:3184kB reserved_highatomic:0KB active_anon:20kB inactive_anon:0kB active_file:76kB inactive_file:0kB unevictable:0kB writepending:4kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:172kB local_pcp:172kB free_cma:0kB
lowmem_reserve[]: 0 86 0 0 0
Node 0 DMA32 free:7644kB boost:4096kB min:8504kB low:9604kB high:10704kB reserved_highatomic:0KB active_anon:0kB inactive_anon:8kB active_file:36kB inactive_file:8kB unevictable:1536kB writepending:4kB present:770052kB managed:116620kB mlocked:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (U) 39*8kB (U) 2*16kB (U) 12*32kB (U) 6*64kB (U) 2*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1372kB
Node 0 DMA32: 48*4kB (UM) 29*8kB (UM) 25*16kB (UME) 35*32kB (UME) 21*64kB (UME) 11*128kB (UME) 6*256kB (UME) 3*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 7768kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB
39464 total pagecache pages
118 pages in swap cache
Free swap = 106796kB
Total swap = 124996kB
393083 pages RAM
0 pages HighMem/MovableOnly
187369 pages reserved
0 pages cma reserved
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x400dd0(GFP_KERNEL_ACCOUNT|__GFP_ZERO|__GFP_RECLAIMABLE)
cache: bkey_cached, object size: 272, buffer size: 336, default order: 0, min order: 0
node 0: slabs: 4, objs: 48, free: 0
node 1: slabs: 0, objs: 0, free: 0
Oops: general protection fault, probably for non-canonical address 0xdffffc000000000e: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000070-0x0000000000000077]
CPU: 0 UID: 0 PID: 5108 Comm: syz.0.0 Not tainted 6.12.0-rc3-syzkaller-00319-gb04ae0f45168 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__lock_acquire+0x69/0x2050 kernel/locking/lockdep.c:5065
Code: b6 04 30 84 c0 0f 85 9b 16 00 00 45 31 f6 83 3d 78 d5 ac 0e 00 0f 84 b6 13 00 00 89 54 24 54 89 5c 24 68 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 c9 40 8e 00 48 be 00 00 00 00 00 fc
RSP: 0018:ffffc9000b5fdab0 EFLAGS: 00010002
RAX: 000000000000000e RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000000070
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff203a006 R12: ffff88801ecb0000
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000070
FS: 00007f821eb836c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b15f4160d8 CR3: 000000004d282000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825
six_lock_ip_waiter+0x9e/0x160 fs/bcachefs/six.c:553
six_lock_ip fs/bcachefs/six.h:253 [inline]
six_lock_ip_intent fs/bcachefs/six.h:366 [inline]
six_lock_intent fs/bcachefs/six.h:366 [inline]
bkey_cached_alloc fs/bcachefs/btree_key_cache.c:169 [inline]
btree_key_cache_create fs/bcachefs/btree_key_cache.c:220 [inline]
btree_key_cache_fill+0x59a/0x2920 fs/bcachefs/btree_key_cache.c:309
bch2_btree_path_traverse_cached+0x84e/0xbe0 fs/bcachefs/btree_key_cache.c:361
bch2_btree_path_traverse_one+0x45d/0x2940 fs/bcachefs/btree_iter.c:1146
bch2_btree_path_traverse fs/bcachefs/btree_iter.h:247 [inline]
bch2_trans_update_get_key_cache+0x6c0/0x1230 fs/bcachefs/btree_update.c:494
bch2_trans_update+0x9b1/0x2550 fs/bcachefs/btree_update.c:539
bch2_inode_write fs/bcachefs/inode.h:138 [inline]
bch2_create_trans+0xdfb/0x1af0 fs/bcachefs/fs-common.c:179
__bch2_create+0x7ae/0xf60 fs/bcachefs/fs.c:522
bch2_mknod fs/bcachefs/fs.c:673 [inline]
bch2_create+0xea/0x1b0 fs/bcachefs/fs.c:687
lookup_open fs/namei.c:3595 [inline]
open_last_lookups fs/namei.c:3694 [inline]
path_openat+0x1c03/0x3590 fs/namei.c:3930
do_filp_open+0x235/0x490 fs/namei.c:3960
file_open_name fs/open.c:1360 [inline]
filp_open+0x261/0x2d0 fs/open.c:1380
do_coredump+0x1fbe/0x2ec0 fs/coredump.c:699
get_signal+0x13fc/0x1740 kernel/signal.c:2902
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f821dd7cadf
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 c9 8d 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 1c 8e 02 00 48
RSP: 002b:00007f821eb82df0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: 0000000000040000 RBX: 0000000000040000 RCX: 00007f821dd7cadf
RDX: 0000000000040000 RSI: 00007f8212200000 RDI: 000000000000000a
RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000044b
R10: 00000000000003bc R11: 0000000000000293 R12: 000000000000000a
R13: 00007f821eb82ef0 R14: 00007f821eb82eb0 R15: 00007f8212200000
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__lock_acquire+0x69/0x2050 kernel/locking/lockdep.c:5065
Code: b6 04 30 84 c0 0f 85 9b 16 00 00 45 31 f6 83 3d 78 d5 ac 0e 00 0f 84 b6 13 00 00 89 54 24 54 89 5c 24 68 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 c9 40 8e 00 48 be 00 00 00 00 00 fc
RSP: 0018:ffffc9000b5fdab0 EFLAGS: 00010002
RAX: 000000000000000e RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000000070
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff203a006 R12: ffff88801ecb0000
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000070
FS: 00007f821eb836c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b15f4160d8 CR3: 000000004d282000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: b6 04 mov $0x4,%dh
2: 30 84 c0 0f 85 9b 16 xor %al,0x169b850f(%rax,%rax,8)
9: 00 00 add %al,(%rax)
b: 45 31 f6 xor %r14d,%r14d
e: 83 3d 78 d5 ac 0e 00 cmpl $0x0,0xeacd578(%rip) # 0xeacd58d
15: 0f 84 b6 13 00 00 je 0x13d1
1b: 89 54 24 54 mov %edx,0x54(%rsp)
1f: 89 5c 24 68 mov %ebx,0x68(%rsp)
23: 4c 89 f8 mov %r15,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 80 3c 30 00 cmpb $0x0,(%rax,%rsi,1) <-- trapping instruction
2e: 74 12 je 0x42
30: 4c 89 ff mov %r15,%rdi
33: e8 c9 40 8e 00 call 0x8e4101
38: 48 rex.W
39: be 00 00 00 00 mov $0x0,%esi
3e: 00 fc add %bh,%ah