======================================================
WARNING: possible circular locking dependency detected
4.19.211-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.4/14546 is trying to acquire lock:
000000001c457c38 (&sbi->alloc_mutex){+.+.}, at: hfsplus_block_free+0xdb/0x5d0 fs/hfsplus/bitmap.c:182

but task is already holding lock:
00000000daab10c5 (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_file_truncate+0x1e2/0x1040 fs/hfsplus/extents.c:576

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #1 (&HFSPLUS_I(inode)->extents_lock){+.+.}:
       hfsplus_get_block+0x292/0x960 fs/hfsplus/extents.c:260
       block_read_full_page+0x288/0xd10 fs/buffer.c:2259
       do_read_cache_page+0x533/0x1170 mm/filemap.c:2828
       read_mapping_page include/linux/pagemap.h:402 [inline]
       hfsplus_block_allocate+0x197/0xa60 fs/hfsplus/bitmap.c:37
       hfsplus_file_extend+0x436/0xf40 fs/hfsplus/extents.c:468
       hfsplus_get_block+0x196/0x960 fs/hfsplus/extents.c:245
       __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
       hfsplus_write_begin+0x87/0x150 fs/hfsplus/inode.c:52
       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

-> #0 (&sbi->alloc_mutex){+.+.}:
       __mutex_lock_common kernel/locking/mutex.c:937 [inline]
       __mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078
       hfsplus_block_free+0xdb/0x5d0 fs/hfsplus/bitmap.c:182
       hfsplus_free_extents+0x228/0x520 fs/hfsplus/extents.c:363
       hfsplus_file_truncate+0xd96/0x1040 fs/hfsplus/extents.c:591
       hfsplus_setattr+0x1e7/0x310 fs/hfsplus/inode.c:263
       notify_change+0x70b/0xfc0 fs/attr.c:334
       do_truncate+0x134/0x1f0 fs/open.c:63
       handle_truncate fs/namei.c:3009 [inline]
       do_last fs/namei.c:3427 [inline]
       path_openat+0x2308/0x2df0 fs/namei.c:3537
       do_filp_open+0x18c/0x3f0 fs/namei.c:3567
       do_sys_open+0x3b3/0x520 fs/open.c:1085
       do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
       entry_SYSCALL_64_after_hwframe+0x49/0xbe

other info that might help us debug this:

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&HFSPLUS_I(inode)->extents_lock);
                               lock(&sbi->alloc_mutex);
                               lock(&HFSPLUS_I(inode)->extents_lock);
  lock(&sbi->alloc_mutex);

 *** DEADLOCK ***

3 locks held by syz-executor.4/14546:
 #0: 000000009f13637d (sb_writers#16){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline]
 #0: 000000009f13637d (sb_writers#16){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360
 #1: 00000000acbc2d07 (&sb->s_type->i_mutex_key#23){+.+.}, at: inode_lock include/linux/fs.h:748 [inline]
 #1: 00000000acbc2d07 (&sb->s_type->i_mutex_key#23){+.+.}, at: do_truncate+0x125/0x1f0 fs/open.c:61
 #2: 00000000daab10c5 (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_file_truncate+0x1e2/0x1040 fs/hfsplus/extents.c:576

stack backtrace:
CPU: 0 PID: 14546 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1222
 check_prev_add kernel/locking/lockdep.c:1866 [inline]
 check_prevs_add kernel/locking/lockdep.c:1979 [inline]
 validate_chain kernel/locking/lockdep.c:2420 [inline]
 __lock_acquire+0x30c9/0x3ff0 kernel/locking/lockdep.c:3416
 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908
 __mutex_lock_common kernel/locking/mutex.c:937 [inline]
 __mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078
 hfsplus_block_free+0xdb/0x5d0 fs/hfsplus/bitmap.c:182
 hfsplus_free_extents+0x228/0x520 fs/hfsplus/extents.c:363
 hfsplus_file_truncate+0xd96/0x1040 fs/hfsplus/extents.c:591
 hfsplus_setattr+0x1e7/0x310 fs/hfsplus/inode.c:263
 notify_change+0x70b/0xfc0 fs/attr.c:334
 do_truncate+0x134/0x1f0 fs/open.c:63
 handle_truncate fs/namei.c:3009 [inline]
 do_last fs/namei.c:3427 [inline]
 path_openat+0x2308/0x2df0 fs/namei.c:3537
 do_filp_open+0x18c/0x3f0 fs/namei.c:3567
 do_sys_open+0x3b3/0x520 fs/open.c:1085
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f7a080830f9
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:00007f7a065f5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f7a081a2f80 RCX: 00007f7a080830f9
RDX: 0000000000000000 RSI: 0000000000143242 RDI: 0000000020000000
RBP: 00007f7a080deae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdeb03e77f R14: 00007f7a065f5300 R15: 0000000000022000
XFS (loop3): unknown mount option [¿Ço=8ö—9!@@«Û»£·˜Ö
�±š	“…Ž/DD€Î¬·œCˆ«„[˽&6²”Gt
].
ieee80211 ©,í…×: Selected rate control algorithm 'minstrel_ht'
netlink: 256 bytes leftover after parsing attributes in process `syz-executor.2'.
hfs: unable to parse mount options
MTD: Attempt to mount non-MTD device "/dev/loop5"
netlink: 256 bytes leftover after parsing attributes in process `syz-executor.2'.
MTD: Attempt to mount non-MTD device "/dev/loop1"
XFS (loop3): unknown mount option [¿Ço=8ö—9!@@«Û»£·˜Ö
�±š	“…Ž/DD€Î¬·œCˆ«„[˽&6²”Gt
].
MTD: Attempt to mount non-MTD device "/dev/loop5"
MTD: Attempt to mount non-MTD device "/dev/loop1"
EXT4-fs (loop3): Unrecognized mount option "" or missing value
MTD: Attempt to mount non-MTD device "/dev/loop1"
mmap: syz-executor.2 (14753) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.rst.
EXT4-fs (loop3): Unrecognized mount option "" or missing value
MTD: Attempt to mount non-MTD device "/dev/loop1"
EXT4-fs (loop3): Unrecognized mount option "" or missing value
MTD: Attempt to mount non-MTD device "/dev/loop1"
MTD: Attempt to mount non-MTD device "/dev/loop1"
MTD: Attempt to mount non-MTD device "/dev/loop2"
MTD: Attempt to mount non-MTD device "/dev/loop1"
MTD: Attempt to mount non-MTD device "/dev/loop1"
MTD: Attempt to mount non-MTD device "/dev/loop2"
MTD: Attempt to mount non-MTD device "/dev/loop1"
MTD: Attempt to mount non-MTD device "/dev/loop2"
MTD: Attempt to mount non-MTD device "/dev/loop3"
MTD: Attempt to mount non-MTD device "/dev/loop2"
MTD: Attempt to mount non-MTD device "/dev/loop1"
MTD: Attempt to mount non-MTD device "/dev/loop2"
MTD: Attempt to mount non-MTD device "/dev/loop3"
MTD: Attempt to mount non-MTD device "/dev/loop1"
MTD: Attempt to mount non-MTD device "/dev/loop0"
MTD: Attempt to mount non-MTD device "/dev/loop2"
MTD: Attempt to mount non-MTD device "/dev/loop3"
MTD: Attempt to mount non-MTD device "/dev/loop1"
MTD: Attempt to mount non-MTD device "/dev/loop2"
MTD: Attempt to mount non-MTD device "/dev/loop0"
MTD: Attempt to mount non-MTD device "/dev/loop3"
MTD: Attempt to mount non-MTD device "/dev/loop1"
MTD: Attempt to mount non-MTD device "/dev/loop2"
MTD: Attempt to mount non-MTD device "/dev/loop0"
MTD: Attempt to mount non-MTD device "/dev/loop3"
MTD: Attempt to mount non-MTD device "/dev/loop1"
MTD: Attempt to mount non-MTD device "/dev/loop2"
MTD: Attempt to mount non-MTD device "/dev/loop3"
MTD: Attempt to mount non-MTD device "/dev/loop0"
MTD: Attempt to mount non-MTD device "/dev/loop1"
MTD: Attempt to mount non-MTD device "/dev/loop2"
MTD: Attempt to mount non-MTD device "/dev/loop3"
MTD: Attempt to mount non-MTD device "/dev/loop0"
MTD: Attempt to mount non-MTD device "/dev/loop2"
MTD: Attempt to mount non-MTD device "/dev/loop1"
MTD: Attempt to mount non-MTD device "/dev/loop1"
MTD: Attempt to mount non-MTD device "/dev/loop1"
MTD: Attempt to mount non-MTD device "/dev/loop1"
MTD: Attempt to mount non-MTD device "/dev/loop1"
MTD: Attempt to mount non-MTD device "/dev/loop1"
MTD: Attempt to mount non-MTD device "/dev/loop1"
MTD: Attempt to mount non-MTD device "/dev/loop3"
MTD: Attempt to mount non-MTD device "/dev/loop1"
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 1 PID: 15285 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 __do_kmalloc mm/slab.c:3725 [inline]
 __kmalloc+0x2ab/0x3c0 mm/slab.c:3736
 kmalloc include/linux/slab.h:520 [inline]
 __do_sys_memfd_create mm/memfd.c:295 [inline]
 __se_sys_memfd_create+0xf8/0x440 mm/memfd.c:268
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f67e14410f9
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:00007f67df9b2f38 EFLAGS: 00000202 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000000000147 RCX: 00007f67e14410f9
RDX: 00007f67df9b2fdc RSI: 0000000000000000 RDI: 00007f67e149be81
RBP: 0000000000000147 R08: 00007f67df9b2e20 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000180
R13: 00007f67df9b2fdc R14: 00007f67df9b2fe0 R15: 0000000020000240
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 15297 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 __do_kmalloc mm/slab.c:3725 [inline]
 __kmalloc+0x2ab/0x3c0 mm/slab.c:3736
 kmalloc include/linux/slab.h:520 [inline]
 __do_sys_memfd_create mm/memfd.c:295 [inline]
 __se_sys_memfd_create+0xf8/0x440 mm/memfd.c:268
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f22725ed0f9
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:00007f2270b5ef38 EFLAGS: 00000202 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000000000147 RCX: 00007f22725ed0f9
RDX: 00007f2270b5efdc RSI: 0000000000000000 RDI: 00007f2272647e81
RBP: 0000000000000147 R08: 00007f2270b5ee20 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000180
R13: 00007f2270b5efdc R14: 00007f2270b5efe0 R15: 0000000020000240
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 15308 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 kmem_cache_alloc+0x277/0x370 mm/slab.c:3557
 shmem_alloc_inode+0x18/0x40 mm/shmem.c:3609
 alloc_inode+0x5d/0x180 fs/inode.c:211
 new_inode_pseudo fs/inode.c:911 [inline]
 new_inode+0x1d/0xf0 fs/inode.c:940
 shmem_get_inode+0x96/0x8d0 mm/shmem.c:2196
 __shmem_file_setup.part.0+0x7a/0x2b0 mm/shmem.c:3965
 __shmem_file_setup mm/shmem.c:3959 [inline]
 shmem_file_setup+0x61/0x90 mm/shmem.c:4006
 __do_sys_memfd_create mm/memfd.c:325 [inline]
 __se_sys_memfd_create+0x26b/0x440 mm/memfd.c:268
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f67e14410f9
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:00007f67df9b2f38 EFLAGS: 00000202 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000000000147 RCX: 00007f67e14410f9
RDX: 00007f67df9b2fdc RSI: 0000000000000000 RDI: 00007f67e149be81
RBP: 0000000000000147 R08: 00007f67df9b2e20 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000180
R13: 00007f67df9b2fdc R14: 00007f67df9b2fe0 R15: 0000000020000240
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 15323 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 kmem_cache_alloc+0x277/0x370 mm/slab.c:3557
 shmem_alloc_inode+0x18/0x40 mm/shmem.c:3609
 alloc_inode+0x5d/0x180 fs/inode.c:211
 new_inode_pseudo fs/inode.c:911 [inline]
 new_inode+0x1d/0xf0 fs/inode.c:940
 shmem_get_inode+0x96/0x8d0 mm/shmem.c:2196
 __shmem_file_setup.part.0+0x7a/0x2b0 mm/shmem.c:3965
 __shmem_file_setup mm/shmem.c:3959 [inline]
 shmem_file_setup+0x61/0x90 mm/shmem.c:4006
 __do_sys_memfd_create mm/memfd.c:325 [inline]
 __se_sys_memfd_create+0x26b/0x440 mm/memfd.c:268
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f22725ed0f9
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:00007f2270b5ef38 EFLAGS: 00000202 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000000000147 RCX: 00007f22725ed0f9
RDX: 00007f2270b5efdc RSI: 0000000000000000 RDI: 00007f2272647e81
RBP: 0000000000000147 R08: 00007f2270b5ee20 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000180
R13: 00007f2270b5efdc R14: 00007f2270b5efe0 R15: 0000000020000240
CPU: 1 PID: 15325 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 kmem_cache_alloc+0x277/0x370 mm/slab.c:3557
 __d_alloc+0x2b/0xa10 fs/dcache.c:1612
 d_alloc_pseudo+0x19/0x70 fs/dcache.c:1743
 alloc_file_pseudo+0xc6/0x250 fs/file_table.c:224
 __shmem_file_setup.part.0+0x102/0x2b0 mm/shmem.c:3976
 __shmem_file_setup mm/shmem.c:3959 [inline]
 shmem_file_setup+0x61/0x90 mm/shmem.c:4006
 __do_sys_memfd_create mm/memfd.c:325 [inline]
 __se_sys_memfd_create+0x26b/0x440 mm/memfd.c:268
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f67e14410f9
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:00007f67df9b2f38 EFLAGS: 00000202 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000000000147 RCX: 00007f67e14410f9
RDX: 00007f67df9b2fdc RSI: 0000000000000000 RDI: 00007f67e149be81
RBP: 0000000000000147 R08: 00007f67df9b2e20 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000180
R13: 00007f67df9b2fdc R14: 00007f67df9b2fe0 R15: 0000000020000240
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 15353 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 kmem_cache_alloc+0x277/0x370 mm/slab.c:3557
 __d_alloc+0x2b/0xa10 fs/dcache.c:1612
 d_alloc_pseudo+0x19/0x70 fs/dcache.c:1743
 alloc_file_pseudo+0xc6/0x250 fs/file_table.c:224
 __shmem_file_setup.part.0+0x102/0x2b0 mm/shmem.c:3976
 __shmem_file_setup mm/shmem.c:3959 [inline]
 shmem_file_setup+0x61/0x90 mm/shmem.c:4006
 __do_sys_memfd_create mm/memfd.c:325 [inline]
 __se_sys_memfd_create+0x26b/0x440 mm/memfd.c:268
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f22725ed0f9
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:00007f2270b5ef38 EFLAGS: 00000202 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000000000147 RCX: 00007f22725ed0f9
RDX: 00007f2270b5efdc RSI: 0000000000000000 RDI: 00007f2272647e81
RBP: 0000000000000147 R08: 00007f2270b5ee20 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000180
R13: 00007f2270b5efdc R14: 00007f2270b5efe0 R15: 0000000020000240
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 15365 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 kmem_cache_alloc+0x277/0x370 mm/slab.c:3557
 kmem_cache_zalloc include/linux/slab.h:699 [inline]
 __alloc_file+0x21/0x340 fs/file_table.c:100
 alloc_empty_file+0x6d/0x170 fs/file_table.c:150
 alloc_file+0x5e/0x4d0 fs/file_table.c:192
 alloc_file_pseudo+0x165/0x250 fs/file_table.c:231
 __shmem_file_setup.part.0+0x102/0x2b0 mm/shmem.c:3976
 __shmem_file_setup mm/shmem.c:3959 [inline]
 shmem_file_setup+0x61/0x90 mm/shmem.c:4006
 __do_sys_memfd_create mm/memfd.c:325 [inline]
 __se_sys_memfd_create+0x26b/0x440 mm/memfd.c:268
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f22725ed0f9
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:00007f2270b5ef38 EFLAGS: 00000202 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000000000147 RCX: 00007f22725ed0f9
RDX: 00007f2270b5efdc RSI: 0000000000000000 RDI: 00007f2272647e81
RBP: 0000000000000147 R08: 00007f2270b5ee20 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000180
R13: 00007f2270b5efdc R14: 00007f2270b5efe0 R15: 0000000020000240
CPU: 0 PID: 15370 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 kmem_cache_alloc+0x277/0x370 mm/slab.c:3557
 kmem_cache_zalloc include/linux/slab.h:699 [inline]
 __alloc_file+0x21/0x340 fs/file_table.c:100
 alloc_empty_file+0x6d/0x170 fs/file_table.c:150
 alloc_file+0x5e/0x4d0 fs/file_table.c:192
 alloc_file_pseudo+0x165/0x250 fs/file_table.c:231
 __shmem_file_setup.part.0+0x102/0x2b0 mm/shmem.c:3976
 __shmem_file_setup mm/shmem.c:3959 [inline]
 shmem_file_setup+0x61/0x90 mm/shmem.c:4006
 __do_sys_memfd_create mm/memfd.c:325 [inline]
 __se_sys_memfd_create+0x26b/0x440 mm/memfd.c:268
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f67e14410f9
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:00007f67df9b2f38 EFLAGS: 00000202 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000000000147 RCX: 00007f67e14410f9
RDX: 00007f67df9b2fdc RSI: 0000000000000000 RDI: 00007f67e149be81
RBP: 0000000000000147 R08: 00007f67df9b2e20 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000180
R13: 00007f67df9b2fdc R14: 00007f67df9b2fe0 R15: 0000000020000240
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 15392 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 kmem_cache_alloc_trace+0x284/0x380 mm/slab.c:3623
 kmalloc include/linux/slab.h:515 [inline]
 kzalloc include/linux/slab.h:709 [inline]
 aa_alloc_file_ctx security/apparmor/include/file.h:60 [inline]
 apparmor_file_alloc_security+0x394/0xad0 security/apparmor/lsm.c:438
 security_file_alloc+0x40/0x90 security/security.c:880
 __alloc_file+0xd8/0x340 fs/file_table.c:105
 alloc_empty_file+0x6d/0x170 fs/file_table.c:150
 alloc_file+0x5e/0x4d0 fs/file_table.c:192
 alloc_file_pseudo+0x165/0x250 fs/file_table.c:231
 __shmem_file_setup.part.0+0x102/0x2b0 mm/shmem.c:3976
 __shmem_file_setup mm/shmem.c:3959 [inline]
 shmem_file_setup+0x61/0x90 mm/shmem.c:4006
 __do_sys_memfd_create mm/memfd.c:325 [inline]
 __se_sys_memfd_create+0x26b/0x440 mm/memfd.c:268
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f22725ed0f9
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:00007f2270b5ef38 EFLAGS: 00000202 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000000000147 RCX: 00007f22725ed0f9
RDX: 00007f2270b5efdc RSI: 0000000000000000 RDI: 00007f2272647e81
RBP: 0000000000000147 R08: 00007f2270b5ee20 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000180
R13: 00007f2270b5efdc R14: 00007f2270b5efe0 R15: 0000000020000240
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 15414 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 kmem_cache_alloc+0x277/0x370 mm/slab.c:3557
 vm_area_alloc+0x1c/0x110 kernel/fork.c:321
 mmap_region+0xa2a/0x16b0 mm/mmap.c:1727
 do_mmap+0x8e8/0x1080 mm/mmap.c:1530
 do_mmap_pgoff include/linux/mm.h:2329 [inline]
 vm_mmap_pgoff+0x197/0x200 mm/util.c:357
 ksys_mmap_pgoff+0x45f/0x5a0 mm/mmap.c:1580
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f22725ed142
Code: 00 00 00 00 00 0f 1f 00 41 f7 c1 ff 0f 00 00 75 27 55 48 89 fd 53 89 cb 48 85 ff 74 3b 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 5b 5d c3 0f 1f 00 48 c7 c0 b8 ff ff ff 64
RSP: 002b:00007f2270b5ef28 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
RAX: ffffffffffffffda RBX: 0000000000000022 RCX: 00007f22725ed142
RDX: 0000000000000003 RSI: 0000000008400000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000000145
R13: 00007f2270b5efdc R14: 00007f2270b5efe0 R15: 0000000020000242
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 1
CPU: 0 PID: 15438 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:3088 [inline]
 prepare_alloc_pages mm/page_alloc.c:4346 [inline]
 __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393