bisecting fixing commit since a6ca7c65b1376f7bb14979cb745d3da73c8de948
building syzkaller on e1768e9c12f6025bdcfe8a957808608d499692b8
testing commit a6ca7c65b1376f7bb14979cb745d3da73c8de948
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: d2fcb7e5eafe9c2f2d372367804cf4a8bbf4289baa8561498026d43f98f8c74e
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD e853993d29aa42ac4b3c2912db975a0a66d7a5b0
testing commit e853993d29aa42ac4b3c2912db975a0a66d7a5b0
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: f41df7abf715e48bd6e21243fc3b43b1c5832314ab989d3f014ed19ef6c861a4
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 23m22.024967124s (build: 16m12.115474341s, test: 6m38.864828669s)
the crash still happens on HEAD
commit msg: Linux 4.14.269
crash: unregister_netdevice: waiting for DEV to become free
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8333 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_failslab+0xba/0xf0 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc+0x47/0x3e0 mm/slab.c:3550
 mempool_alloc_slab+0x3a/0x50 mm/mempool.c:450
 mempool_alloc+0x110/0x300 mm/mempool.c:330
 bvec_alloc+0xe3/0x250 block/bio.c:216
 bio_alloc_bioset+0x40e/0x5f0 block/bio.c:506
 bio_alloc include/linux/bio.h:422 [inline]
 mpage_alloc.isra.0+0x5d/0x280 fs/mpage.c:79
 __mpage_writepage+0x99d/0x1490 fs/mpage.c:622
 write_cache_pages+0x4cd/0xe50 mm/page-writeback.c:2257
 mpage_writepages+0xb6/0x1d0 fs/mpage.c:716
 fat_writepages+0x10/0x20 fs/fat/inode.c:191
 do_writepages+0xba/0x220 mm/page-writeback.c:2361
 __filemap_fdatawrite_range+0x213/0x2d0 mm/filemap.c:346
 filemap_write_and_wait_range mm/filemap.c:581 [inline]
 filemap_write_and_wait_range+0x30/0x90 mm/filemap.c:575
 generic_file_direct_write+0x193/0x410 mm/filemap.c:2934
 __generic_file_write_iter+0x279/0x590 mm/filemap.c:3137
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 aio_write+0x291/0x4e0 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0xb66/0x1290 fs/aio.c:1709
 SYSC_io_submit fs/aio.c:1734 [inline]
 SyS_io_submit+0xb/0x10 fs/aio.c:1731
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe9efdbacd9
RSP: 002b:00007fe9efd672e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8342 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_failslab+0xba/0xf0 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc+0x47/0x3e0 mm/slab.c:3550
 mempool_alloc_slab+0x3a/0x50 mm/mempool.c:450
 mempool_alloc+0x110/0x300 mm/mempool.c:330
 bvec_alloc+0xe3/0x250 block/bio.c:216
 bio_alloc_bioset+0x40e/0x5f0 block/bio.c:506
 bio_alloc include/linux/bio.h:422 [inline]
 mpage_alloc.isra.0+0x5d/0x280 fs/mpage.c:79
 __mpage_writepage+0x99d/0x1490 fs/mpage.c:622
 write_cache_pages+0x4cd/0xe50 mm/page-writeback.c:2257
 mpage_writepages+0xb6/0x1d0 fs/mpage.c:716
 fat_writepages+0x10/0x20 fs/fat/inode.c:191
 do_writepages+0xba/0x220 mm/page-writeback.c:2361
 __filemap_fdatawrite_range+0x213/0x2d0 mm/filemap.c:346
 filemap_write_and_wait_range mm/filemap.c:581 [inline]
 filemap_write_and_wait_range+0x30/0x90 mm/filemap.c:575
 generic_file_direct_write+0x193/0x410 mm/filemap.c:2934
 __generic_file_write_iter+0x279/0x590 mm/filemap.c:3137
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 aio_write+0x291/0x4e0 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0xb66/0x1290 fs/aio.c:1709
 SYSC_io_submit fs/aio.c:1734 [inline]
 SyS_io_submit+0xb/0x10 fs/aio.c:1731
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe9efdbacd9
RSP: 002b:00007fe9efd672e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8350 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_failslab+0xba/0xf0 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc+0x47/0x3e0 mm/slab.c:3550
 mempool_alloc_slab+0x3a/0x50 mm/mempool.c:450
 mempool_alloc+0x110/0x300 mm/mempool.c:330
 bvec_alloc+0xe3/0x250 block/bio.c:216
 bio_alloc_bioset+0x40e/0x5f0 block/bio.c:506
 bio_alloc include/linux/bio.h:422 [inline]
 mpage_alloc.isra.0+0x5d/0x280 fs/mpage.c:79
 __mpage_writepage+0x99d/0x1490 fs/mpage.c:622
 write_cache_pages+0x4cd/0xe50 mm/page-writeback.c:2257
 mpage_writepages+0xb6/0x1d0 fs/mpage.c:716
 fat_writepages+0x10/0x20 fs/fat/inode.c:191
 do_writepages+0xba/0x220 mm/page-writeback.c:2361
 __filemap_fdatawrite_range+0x213/0x2d0 mm/filemap.c:346
 filemap_write_and_wait_range mm/filemap.c:581 [inline]
 filemap_write_and_wait_range+0x30/0x90 mm/filemap.c:575
 generic_file_direct_write+0x193/0x410 mm/filemap.c:2934
 __generic_file_write_iter+0x279/0x590 mm/filemap.c:3137
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 aio_write+0x291/0x4e0 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0xb66/0x1290 fs/aio.c:1709
 SYSC_io_submit fs/aio.c:1734 [inline]
 SyS_io_submit+0xb/0x10 fs/aio.c:1731
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe9efdbacd9
RSP: 002b:00007fe9efd672e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8358 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_failslab+0xba/0xf0 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc+0x47/0x3e0 mm/slab.c:3550
 mempool_alloc_slab+0x3a/0x50 mm/mempool.c:450
 mempool_alloc+0x110/0x300 mm/mempool.c:330
 bvec_alloc+0xe3/0x250 block/bio.c:216
 bio_alloc_bioset+0x40e/0x5f0 block/bio.c:506
 bio_alloc include/linux/bio.h:422 [inline]
 mpage_alloc.isra.0+0x5d/0x280 fs/mpage.c:79
 __mpage_writepage+0x99d/0x1490 fs/mpage.c:622
 write_cache_pages+0x4cd/0xe50 mm/page-writeback.c:2257
 mpage_writepages+0xb6/0x1d0 fs/mpage.c:716
 fat_writepages+0x10/0x20 fs/fat/inode.c:191
 do_writepages+0xba/0x220 mm/page-writeback.c:2361
 __filemap_fdatawrite_range+0x213/0x2d0 mm/filemap.c:346
 filemap_write_and_wait_range mm/filemap.c:581 [inline]
 filemap_write_and_wait_range+0x30/0x90 mm/filemap.c:575
 generic_file_direct_write+0x193/0x410 mm/filemap.c:2934
 __generic_file_write_iter+0x279/0x590 mm/filemap.c:3137
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 aio_write+0x291/0x4e0 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0xb66/0x1290 fs/aio.c:1709
 SYSC_io_submit fs/aio.c:1734 [inline]
 SyS_io_submit+0xb/0x10 fs/aio.c:1731
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe9efdbacd9
RSP: 002b:00007fe9efd672e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8367 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_failslab+0xba/0xf0 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc+0x47/0x3e0 mm/slab.c:3550
 mempool_alloc_slab+0x3a/0x50 mm/mempool.c:450
 mempool_alloc+0x110/0x300 mm/mempool.c:330
 bvec_alloc+0xe3/0x250 block/bio.c:216
 bio_alloc_bioset+0x40e/0x5f0 block/bio.c:506
 bio_alloc include/linux/bio.h:422 [inline]
 mpage_alloc.isra.0+0x5d/0x280 fs/mpage.c:79
 __mpage_writepage+0x99d/0x1490 fs/mpage.c:622
 write_cache_pages+0x4cd/0xe50 mm/page-writeback.c:2257
 mpage_writepages+0xb6/0x1d0 fs/mpage.c:716
 fat_writepages+0x10/0x20 fs/fat/inode.c:191
 do_writepages+0xba/0x220 mm/page-writeback.c:2361
 __filemap_fdatawrite_range+0x213/0x2d0 mm/filemap.c:346
 filemap_write_and_wait_range mm/filemap.c:581 [inline]
 filemap_write_and_wait_range+0x30/0x90 mm/filemap.c:575
 generic_file_direct_write+0x193/0x410 mm/filemap.c:2934
 __generic_file_write_iter+0x279/0x590 mm/filemap.c:3137
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 aio_write+0x291/0x4e0 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0xb66/0x1290 fs/aio.c:1709
 SYSC_io_submit fs/aio.c:1734 [inline]
 SyS_io_submit+0xb/0x10 fs/aio.c:1731
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe9efdbacd9
RSP: 002b:00007fe9efd672e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 8376 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_failslab+0xba/0xf0 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc+0x47/0x3e0 mm/slab.c:3550
 mempool_alloc_slab+0x3a/0x50 mm/mempool.c:450
 mempool_alloc+0x110/0x300 mm/mempool.c:330
 bvec_alloc+0xe3/0x250 block/bio.c:216
 bio_alloc_bioset+0x40e/0x5f0 block/bio.c:506
 bio_alloc include/linux/bio.h:422 [inline]
 mpage_alloc.isra.0+0x5d/0x280 fs/mpage.c:79
 __mpage_writepage+0x99d/0x1490 fs/mpage.c:622
 write_cache_pages+0x4cd/0xe50 mm/page-writeback.c:2257
 mpage_writepages+0xb6/0x1d0 fs/mpage.c:716
 fat_writepages+0x10/0x20 fs/fat/inode.c:191
 do_writepages+0xba/0x220 mm/page-writeback.c:2361
 __filemap_fdatawrite_range+0x213/0x2d0 mm/filemap.c:346
 filemap_write_and_wait_range mm/filemap.c:581 [inline]
 filemap_write_and_wait_range+0x30/0x90 mm/filemap.c:575
 generic_file_direct_write+0x193/0x410 mm/filemap.c:2934
 __generic_file_write_iter+0x279/0x590 mm/filemap.c:3137
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 aio_write+0x291/0x4e0 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0xb66/0x1290 fs/aio.c:1709
 SYSC_io_submit fs/aio.c:1734 [inline]
 SyS_io_submit+0xb/0x10 fs/aio.c:1731
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe9efdbacd9
RSP: 002b:00007fe9efd672e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 1
CPU: 0 PID: 8385 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2898 [inline]
 prepare_alloc_pages mm/page_alloc.c:4131 [inline]
 __alloc_pages_nodemask+0x249/0x2740 mm/page_alloc.c:4179
 __alloc_pages include/linux/gfp.h:484 [inline]
 __alloc_pages_node include/linux/gfp.h:497 [inline]
 kmem_getpages mm/slab.c:1419 [inline]
 cache_grow_begin+0x80/0x710 mm/slab.c:2676
 cache_alloc_refill+0x2ac/0x380 mm/slab.c:3043
 ____cache_alloc mm/slab.c:3125 [inline]
 __do_cache_alloc mm/slab.c:3347 [inline]
 slab_alloc mm/slab.c:3382 [inline]
 kmem_cache_alloc+0x358/0x3e0 mm/slab.c:3550
 mempool_alloc_slab+0x3a/0x50 mm/mempool.c:450
 mempool_alloc+0x110/0x300 mm/mempool.c:330
 bio_alloc_bioset+0x372/0x5f0 block/bio.c:486
 bio_alloc include/linux/bio.h:422 [inline]
 mpage_alloc.isra.0+0x5d/0x280 fs/mpage.c:79
 __mpage_writepage+0x99d/0x1490 fs/mpage.c:622
 write_cache_pages+0x4cd/0xe50 mm/page-writeback.c:2257
 mpage_writepages+0xb6/0x1d0 fs/mpage.c:716
 fat_writepages+0x10/0x20 fs/fat/inode.c:191
 do_writepages+0xba/0x220 mm/page-writeback.c:2361
 __filemap_fdatawrite_range+0x213/0x2d0 mm/filemap.c:346
 filemap_write_and_wait_range mm/filemap.c:581 [inline]
 filemap_write_and_wait_range+0x30/0x90 mm/filemap.c:575
 generic_file_direct_write+0x193/0x410 mm/filemap.c:2934
 __generic_file_write_iter+0x279/0x590 mm/filemap.c:3137
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 aio_write+0x291/0x4e0 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0xb66/0x1290 fs/aio.c:1709
 SYSC_io_submit fs/aio.c:1734 [inline]
 SyS_io_submit+0xb/0x10 fs/aio.c:1731
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe9efdbacd9
RSP: 002b:00007fe9efd672e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8393 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_failslab+0xba/0xf0 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc+0x47/0x3e0 mm/slab.c:3550
 mempool_alloc_slab+0x3a/0x50 mm/mempool.c:450
 mempool_alloc+0x110/0x300 mm/mempool.c:330
 bvec_alloc+0xe3/0x250 block/bio.c:216
 bio_alloc_bioset+0x40e/0x5f0 block/bio.c:506
 bio_alloc include/linux/bio.h:422 [inline]
 mpage_alloc.isra.0+0x5d/0x280 fs/mpage.c:79
 __mpage_writepage+0x99d/0x1490 fs/mpage.c:622
 write_cache_pages+0x4cd/0xe50 mm/page-writeback.c:2257
 mpage_writepages+0xb6/0x1d0 fs/mpage.c:716
 fat_writepages+0x10/0x20 fs/fat/inode.c:191
 do_writepages+0xba/0x220 mm/page-writeback.c:2361
 __filemap_fdatawrite_range+0x213/0x2d0 mm/filemap.c:346
 filemap_write_and_wait_range mm/filemap.c:581 [inline]
 filemap_write_and_wait_range+0x30/0x90 mm/filemap.c:575
 generic_file_direct_write+0x193/0x410 mm/filemap.c:2934
 __generic_file_write_iter+0x279/0x590 mm/filemap.c:3137
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 aio_write+0x291/0x4e0 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0xb66/0x1290 fs/aio.c:1709
 SYSC_io_submit fs/aio.c:1734 [inline]
 SyS_io_submit+0xb/0x10 fs/aio.c:1731
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe9efdbacd9
RSP: 002b:00007fe9efd672e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8403 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_failslab+0xba/0xf0 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc+0x47/0x3e0 mm/slab.c:3550
 mempool_alloc_slab+0x3a/0x50 mm/mempool.c:450
 mempool_alloc+0x110/0x300 mm/mempool.c:330
 bvec_alloc+0xe3/0x250 block/bio.c:216
 bio_alloc_bioset+0x40e/0x5f0 block/bio.c:506
 bio_alloc include/linux/bio.h:422 [inline]
 mpage_alloc.isra.0+0x5d/0x280 fs/mpage.c:79
 __mpage_writepage+0x99d/0x1490 fs/mpage.c:622
 write_cache_pages+0x4cd/0xe50 mm/page-writeback.c:2257
 mpage_writepages+0xb6/0x1d0 fs/mpage.c:716
 fat_writepages+0x10/0x20 fs/fat/inode.c:191
 do_writepages+0xba/0x220 mm/page-writeback.c:2361
 __filemap_fdatawrite_range+0x213/0x2d0 mm/filemap.c:346
 filemap_write_and_wait_range mm/filemap.c:581 [inline]
 filemap_write_and_wait_range+0x30/0x90 mm/filemap.c:575
 generic_file_direct_write+0x193/0x410 mm/filemap.c:2934
 __generic_file_write_iter+0x279/0x590 mm/filemap.c:3137
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 aio_write+0x291/0x4e0 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0xb66/0x1290 fs/aio.c:1709
 SYSC_io_submit fs/aio.c:1734 [inline]
 SyS_io_submit+0xb/0x10 fs/aio.c:1731
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe9efdbacd9
RSP: 002b:00007fe9efd672e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8412 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_failslab+0xba/0xf0 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc+0x47/0x3e0 mm/slab.c:3550
 mempool_alloc_slab+0x3a/0x50 mm/mempool.c:450
 mempool_alloc+0x110/0x300 mm/mempool.c:330
 bvec_alloc+0xe3/0x250 block/bio.c:216
 bio_alloc_bioset+0x40e/0x5f0 block/bio.c:506
 bio_alloc include/linux/bio.h:422 [inline]
 mpage_alloc.isra.0+0x5d/0x280 fs/mpage.c:79
 __mpage_writepage+0x99d/0x1490 fs/mpage.c:622
 write_cache_pages+0x4cd/0xe50 mm/page-writeback.c:2257
 mpage_writepages+0xb6/0x1d0 fs/mpage.c:716
 fat_writepages+0x10/0x20 fs/fat/inode.c:191
 do_writepages+0xba/0x220 mm/page-writeback.c:2361
 __filemap_fdatawrite_range+0x213/0x2d0 mm/filemap.c:346
 filemap_write_and_wait_range mm/filemap.c:581 [inline]
 filemap_write_and_wait_range+0x30/0x90 mm/filemap.c:575
 generic_file_direct_write+0x193/0x410 mm/filemap.c:2934
 __generic_file_write_iter+0x279/0x590 mm/filemap.c:3137
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 aio_write+0x291/0x4e0 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0xb66/0x1290 fs/aio.c:1709
 SYSC_io_submit fs/aio.c:1734 [inline]
 SyS_io_submit+0xb/0x10 fs/aio.c:1731
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe9efdbacd9
RSP: 002b:00007fe9efd672e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 8420 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_failslab+0xba/0xf0 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc+0x47/0x3e0 mm/slab.c:3550
 mempool_alloc_slab+0x3a/0x50 mm/mempool.c:450
 mempool_alloc+0x110/0x300 mm/mempool.c:330
 bvec_alloc+0xe3/0x250 block/bio.c:216
 bio_alloc_bioset+0x40e/0x5f0 block/bio.c:506
 bio_alloc include/linux/bio.h:422 [inline]
 mpage_alloc.isra.0+0x5d/0x280 fs/mpage.c:79
 __mpage_writepage+0x99d/0x1490 fs/mpage.c:622
 write_cache_pages+0x4cd/0xe50 mm/page-writeback.c:2257
 mpage_writepages+0xb6/0x1d0 fs/mpage.c:716
 fat_writepages+0x10/0x20 fs/fat/inode.c:191
 do_writepages+0xba/0x220 mm/page-writeback.c:2361
 __filemap_fdatawrite_range+0x213/0x2d0 mm/filemap.c:346
 filemap_write_and_wait_range mm/filemap.c:581 [inline]
 filemap_write_and_wait_range+0x30/0x90 mm/filemap.c:575
 generic_file_direct_write+0x193/0x410 mm/filemap.c:2934
 __generic_file_write_iter+0x279/0x590 mm/filemap.c:3137
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 aio_write+0x291/0x4e0 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0xb66/0x1290 fs/aio.c:1709
 SYSC_io_submit fs/aio.c:1734 [inline]
 SyS_io_submit+0xb/0x10 fs/aio.c:1731
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe9efdbacd9
RSP: 002b:00007fe9efd672e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 8429 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2898 [inline]
 prepare_alloc_pages mm/page_alloc.c:4131 [inline]
 __alloc_pages_nodemask+0x249/0x2740 mm/page_alloc.c:4179
 __alloc_pages include/linux/gfp.h:484 [inline]
 __alloc_pages_node include/linux/gfp.h:497 [inline]
 kmem_getpages mm/slab.c:1419 [inline]
 cache_grow_begin+0x80/0x710 mm/slab.c:2676
 cache_alloc_refill+0x2ac/0x380 mm/slab.c:3043
 ____cache_alloc mm/slab.c:3125 [inline]
 __do_cache_alloc mm/slab.c:3347 [inline]
 slab_alloc mm/slab.c:3382 [inline]
 kmem_cache_alloc+0x358/0x3e0 mm/slab.c:3550
 mempool_alloc_slab+0x3a/0x50 mm/mempool.c:450
 mempool_alloc+0x110/0x300 mm/mempool.c:330
 bio_alloc_bioset+0x372/0x5f0 block/bio.c:486
 bio_alloc include/linux/bio.h:422 [inline]
 mpage_alloc.isra.0+0x5d/0x280 fs/mpage.c:79
 __mpage_writepage+0x99d/0x1490 fs/mpage.c:622
 write_cache_pages+0x4cd/0xe50 mm/page-writeback.c:2257
 mpage_writepages+0xb6/0x1d0 fs/mpage.c:716
 fat_writepages+0x10/0x20 fs/fat/inode.c:191
 do_writepages+0xba/0x220 mm/page-writeback.c:2361
 __filemap_fdatawrite_range+0x213/0x2d0 mm/filemap.c:346
 filemap_write_and_wait_range mm/filemap.c:581 [inline]
 filemap_write_and_wait_range+0x30/0x90 mm/filemap.c:575
 generic_file_direct_write+0x193/0x410 mm/filemap.c:2934
 __generic_file_write_iter+0x279/0x590 mm/filemap.c:3137
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 aio_write+0x291/0x4e0 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0xb66/0x1290 fs/aio.c:1709
 SYSC_io_submit fs/aio.c:1734 [inline]
 SyS_io_submit+0xb/0x10 fs/aio.c:1731
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe9efdbacd9
RSP: 002b:00007fe9efd672e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8438 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2898 [inline]
 prepare_alloc_pages mm/page_alloc.c:4131 [inline]
 __alloc_pages_nodemask+0x249/0x2740 mm/page_alloc.c:4179
 __alloc_pages include/linux/gfp.h:484 [inline]
 __alloc_pages_node include/linux/gfp.h:497 [inline]
 kmem_getpages mm/slab.c:1419 [inline]
 cache_grow_begin+0x80/0x710 mm/slab.c:2676
 cache_alloc_refill+0x2ac/0x380 mm/slab.c:3043
 ____cache_alloc mm/slab.c:3125 [inline]
 __do_cache_alloc mm/slab.c:3347 [inline]
 slab_alloc mm/slab.c:3382 [inline]
 kmem_cache_alloc+0x358/0x3e0 mm/slab.c:3550
 mempool_alloc_slab+0x3a/0x50 mm/mempool.c:450
 mempool_alloc+0x110/0x300 mm/mempool.c:330
 bio_alloc_bioset+0x372/0x5f0 block/bio.c:486
 bio_alloc include/linux/bio.h:422 [inline]
 mpage_alloc.isra.0+0x5d/0x280 fs/mpage.c:79
 __mpage_writepage+0x99d/0x1490 fs/mpage.c:622
 write_cache_pages+0x4cd/0xe50 mm/page-writeback.c:2257
 mpage_writepages+0xb6/0x1d0 fs/mpage.c:716
 fat_writepages+0x10/0x20 fs/fat/inode.c:191
 do_writepages+0xba/0x220 mm/page-writeback.c:2361
 __filemap_fdatawrite_range+0x213/0x2d0 mm/filemap.c:346
 filemap_write_and_wait_range mm/filemap.c:581 [inline]
 filemap_write_and_wait_range+0x30/0x90 mm/filemap.c:575
 generic_file_direct_write+0x193/0x410 mm/filemap.c:2934
 __generic_file_write_iter+0x279/0x590 mm/filemap.c:3137
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 aio_write+0x291/0x4e0 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0xb66/0x1290 fs/aio.c:1709
 SYSC_io_submit fs/aio.c:1734 [inline]
 SyS_io_submit+0xb/0x10 fs/aio.c:1731
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe9efdbacd9
RSP: 002b:00007fe9efd672e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8445 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_failslab+0xba/0xf0 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc+0x47/0x3e0 mm/slab.c:3550
 mempool_alloc_slab+0x3a/0x50 mm/mempool.c:450
 mempool_alloc+0x110/0x300 mm/mempool.c:330
 bvec_alloc+0xe3/0x250 block/bio.c:216
 bio_alloc_bioset+0x40e/0x5f0 block/bio.c:506
 bio_alloc include/linux/bio.h:422 [inline]
 mpage_alloc.isra.0+0x5d/0x280 fs/mpage.c:79
 __mpage_writepage+0x99d/0x1490 fs/mpage.c:622
 write_cache_pages+0x4cd/0xe50 mm/page-writeback.c:2257
 mpage_writepages+0xb6/0x1d0 fs/mpage.c:716
 fat_writepages+0x10/0x20 fs/fat/inode.c:191
 do_writepages+0xba/0x220 mm/page-writeback.c:2361
 __filemap_fdatawrite_range+0x213/0x2d0 mm/filemap.c:346
 filemap_write_and_wait_range mm/filemap.c:581 [inline]
 filemap_write_and_wait_range+0x30/0x90 mm/filemap.c:575
 generic_file_direct_write+0x193/0x410 mm/filemap.c:2934
 __generic_file_write_iter+0x279/0x590 mm/filemap.c:3137
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 aio_write+0x291/0x4e0 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0xb66/0x1290 fs/aio.c:1709
 SYSC_io_submit fs/aio.c:1734 [inline]
 SyS_io_submit+0xb/0x10 fs/aio.c:1731
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe9efdbacd9
RSP: 002b:00007fe9efd672e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8455 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2898 [inline]
 prepare_alloc_pages mm/page_alloc.c:4131 [inline]
 __alloc_pages_nodemask+0x249/0x2740 mm/page_alloc.c:4179
 __alloc_pages include/linux/gfp.h:484 [inline]
 __alloc_pages_node include/linux/gfp.h:497 [inline]
 kmem_getpages mm/slab.c:1419 [inline]
 cache_grow_begin+0x80/0x710 mm/slab.c:2676
 cache_alloc_refill+0x2ac/0x380 mm/slab.c:3043
 ____cache_alloc mm/slab.c:3125 [inline]
 __do_cache_alloc mm/slab.c:3347 [inline]
 slab_alloc mm/slab.c:3382 [inline]
 kmem_cache_alloc+0x358/0x3e0 mm/slab.c:3550
 mempool_alloc_slab+0x3a/0x50 mm/mempool.c:450
 mempool_alloc+0x110/0x300 mm/mempool.c:330
 bio_alloc_bioset+0x372/0x5f0 block/bio.c:486
 bio_alloc include/linux/bio.h:422 [inline]
 mpage_alloc.isra.0+0x5d/0x280 fs/mpage.c:79
 __mpage_writepage+0x99d/0x1490 fs/mpage.c:622
 write_cache_pages+0x4cd/0xe50 mm/page-writeback.c:2257
 mpage_writepages+0xb6/0x1d0 fs/mpage.c:716
 fat_writepages+0x10/0x20 fs/fat/inode.c:191
 do_writepages+0xba/0x220 mm/page-writeback.c:2361
 __filemap_fdatawrite_range+0x213/0x2d0 mm/filemap.c:346
 filemap_write_and_wait_range mm/filemap.c:581 [inline]
 filemap_write_and_wait_range+0x30/0x90 mm/filemap.c:575
 generic_file_direct_write+0x193/0x410 mm/filemap.c:2934
 __generic_file_write_iter+0x279/0x590 mm/filemap.c:3137
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 aio_write+0x291/0x4e0 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0xb66/0x1290 fs/aio.c:1709
 SYSC_io_submit fs/aio.c:1734 [inline]
 SyS_io_submit+0xb/0x10 fs/aio.c:1731
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe9efdbacd9
RSP: 002b:00007fe9efd672e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8464 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_failslab+0xba/0xf0 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc+0x47/0x3e0 mm/slab.c:3550
 mempool_alloc_slab+0x3a/0x50 mm/mempool.c:450
 mempool_alloc+0x110/0x300 mm/mempool.c:330
 bvec_alloc+0xe3/0x250 block/bio.c:216
 bio_alloc_bioset+0x40e/0x5f0 block/bio.c:506
 bio_alloc include/linux/bio.h:422 [inline]
 mpage_alloc.isra.0+0x5d/0x280 fs/mpage.c:79
 __mpage_writepage+0x99d/0x1490 fs/mpage.c:622
 write_cache_pages+0x4cd/0xe50 mm/page-writeback.c:2257
 mpage_writepages+0xb6/0x1d0 fs/mpage.c:716
 fat_writepages+0x10/0x20 fs/fat/inode.c:191
 do_writepages+0xba/0x220 mm/page-writeback.c:2361
 __filemap_fdatawrite_range+0x213/0x2d0 mm/filemap.c:346
 filemap_write_and_wait_range mm/filemap.c:581 [inline]
 filemap_write_and_wait_range+0x30/0x90 mm/filemap.c:575
 generic_file_direct_write+0x193/0x410 mm/filemap.c:2934
 __generic_file_write_iter+0x279/0x590 mm/filemap.c:3137
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 aio_write+0x291/0x4e0 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0xb66/0x1290 fs/aio.c:1709
 SYSC_io_submit fs/aio.c:1734 [inline]
 SyS_io_submit+0xb/0x10 fs/aio.c:1731
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe9efdbacd9
RSP: 002b:00007fe9efd672e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8473 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_failslab+0xba/0xf0 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc+0x47/0x3e0 mm/slab.c:3550
 mempool_alloc_slab+0x3a/0x50 mm/mempool.c:450
 mempool_alloc+0x110/0x300 mm/mempool.c:330
 bvec_alloc+0xe3/0x250 block/bio.c:216
 bio_alloc_bioset+0x40e/0x5f0 block/bio.c:506
 bio_alloc include/linux/bio.h:422 [inline]
 mpage_alloc.isra.0+0x5d/0x280 fs/mpage.c:79
 __mpage_writepage+0x99d/0x1490 fs/mpage.c:622
 write_cache_pages+0x4cd/0xe50 mm/page-writeback.c:2257
 mpage_writepages+0xb6/0x1d0 fs/mpage.c:716
 fat_writepages+0x10/0x20 fs/fat/inode.c:191
 do_writepages+0xba/0x220 mm/page-writeback.c:2361
 __filemap_fdatawrite_range+0x213/0x2d0 mm/filemap.c:346
 filemap_write_and_wait_range mm/filemap.c:581 [inline]
 filemap_write_and_wait_range+0x30/0x90 mm/filemap.c:575
 generic_file_direct_write+0x193/0x410 mm/filemap.c:2934
 __generic_file_write_iter+0x279/0x590 mm/filemap.c:3137
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 aio_write+0x291/0x4e0 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0xb66/0x1290 fs/aio.c:1709
 SYSC_io_submit fs/aio.c:1734 [inline]
 SyS_io_submit+0xb/0x10 fs/aio.c:1731
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe9efdbacd9
RSP: 002b:00007fe9efd672e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 8482 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_failslab+0xba/0xf0 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc+0x47/0x3e0 mm/slab.c:3550
 mempool_alloc_slab+0x3a/0x50 mm/mempool.c:450
 mempool_alloc+0x110/0x300 mm/mempool.c:330
 bvec_alloc+0xe3/0x250 block/bio.c:216
 bio_alloc_bioset+0x40e/0x5f0 block/bio.c:506
 bio_alloc include/linux/bio.h:422 [inline]
 mpage_alloc.isra.0+0x5d/0x280 fs/mpage.c:79
 __mpage_writepage+0x99d/0x1490 fs/mpage.c:622
 write_cache_pages+0x4cd/0xe50 mm/page-writeback.c:2257
 mpage_writepages+0xb6/0x1d0 fs/mpage.c:716
 fat_writepages+0x10/0x20 fs/fat/inode.c:191
 do_writepages+0xba/0x220 mm/page-writeback.c:2361
 __filemap_fdatawrite_range+0x213/0x2d0 mm/filemap.c:346
 filemap_write_and_wait_range mm/filemap.c:581 [inline]
 filemap_write_and_wait_range+0x30/0x90 mm/filemap.c:575
 generic_file_direct_write+0x193/0x410 mm/filemap.c:2934
 __generic_file_write_iter+0x279/0x590 mm/filemap.c:3137
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 aio_write+0x291/0x4e0 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0xb66/0x1290 fs/aio.c:1709
 SYSC_io_submit fs/aio.c:1734 [inline]
 SyS_io_submit+0xb/0x10 fs/aio.c:1731
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe9efdbacd9
RSP: 002b:00007fe9efd672e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 8490 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_failslab+0xba/0xf0 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc+0x47/0x3e0 mm/slab.c:3550
 mempool_alloc_slab+0x3a/0x50 mm/mempool.c:450
 mempool_alloc+0x110/0x300 mm/mempool.c:330
 bvec_alloc+0xe3/0x250 block/bio.c:216
 bio_alloc_bioset+0x40e/0x5f0 block/bio.c:506
 bio_alloc include/linux/bio.h:422 [inline]
 mpage_alloc.isra.0+0x5d/0x280 fs/mpage.c:79
 __mpage_writepage+0x99d/0x1490 fs/mpage.c:622
 write_cache_pages+0x4cd/0xe50 mm/page-writeback.c:2257
 mpage_writepages+0xb6/0x1d0 fs/mpage.c:716
 fat_writepages+0x10/0x20 fs/fat/inode.c:191
 do_writepages+0xba/0x220 mm/page-writeback.c:2361
 __filemap_fdatawrite_range+0x213/0x2d0 mm/filemap.c:346
 filemap_write_and_wait_range mm/filemap.c:581 [inline]
 filemap_write_and_wait_range+0x30/0x90 mm/filemap.c:575
 generic_file_direct_write+0x193/0x410 mm/filemap.c:2934
 __generic_file_write_iter+0x279/0x590 mm/filemap.c:3137
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 aio_write+0x291/0x4e0 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0xb66/0x1290 fs/aio.c:1709
 SYSC_io_submit fs/aio.c:1734 [inline]
 SyS_io_submit+0xb/0x10 fs/aio.c:1731
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe9efdbacd9
RSP: 002b:00007fe9efd672e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 8499 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_failslab+0xba/0xf0 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc+0x47/0x3e0 mm/slab.c:3550
 mempool_alloc_slab+0x3a/0x50 mm/mempool.c:450
 mempool_alloc+0x110/0x300 mm/mempool.c:330
 bvec_alloc+0xe3/0x250 block/bio.c:216
 bio_alloc_bioset+0x40e/0x5f0 block/bio.c:506
 bio_alloc include/linux/bio.h:422 [inline]
 mpage_alloc.isra.0+0x5d/0x280 fs/mpage.c:79
 __mpage_writepage+0x99d/0x1490 fs/mpage.c:622
 write_cache_pages+0x4cd/0xe50 mm/page-writeback.c:2257
 mpage_writepages+0xb6/0x1d0 fs/mpage.c:716
 fat_writepages+0x10/0x20 fs/fat/inode.c:191
 do_writepages+0xba/0x220 mm/page-writeback.c:2361
 __filemap_fdatawrite_range+0x213/0x2d0 mm/filemap.c:346
 filemap_write_and_wait_range mm/filemap.c:581 [inline]
 filemap_write_and_wait_range+0x30/0x90 mm/filemap.c:575
 generic_file_direct_write+0x193/0x410 mm/filemap.c:2934
 __generic_file_write_iter+0x279/0x590 mm/filemap.c:3137
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 aio_write+0x291/0x4e0 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0xb66/0x1290 fs/aio.c:1709
 SYSC_io_submit fs/aio.c:1734 [inline]
 SyS_io_submit+0xb/0x10 fs/aio.c:1731
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe9efdbacd9
RSP: 002b:00007fe9efd672e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 8508 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_failslab+0xba/0xf0 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc+0x47/0x3e0 mm/slab.c:3550
 mempool_alloc_slab+0x3a/0x50 mm/mempool.c:450
 mempool_alloc+0x110/0x300 mm/mempool.c:330
 bvec_alloc+0xe3/0x250 block/bio.c:216
 bio_alloc_bioset+0x40e/0x5f0 block/bio.c:506
 bio_alloc include/linux/bio.h:422 [inline]
 mpage_alloc.isra.0+0x5d/0x280 fs/mpage.c:79
 __mpage_writepage+0x99d/0x1490 fs/mpage.c:622
 write_cache_pages+0x4cd/0xe50 mm/page-writeback.c:2257
 mpage_writepages+0xb6/0x1d0 fs/mpage.c:716
 fat_writepages+0x10/0x20 fs/fat/inode.c:191
 do_writepages+0xba/0x220 mm/page-writeback.c:2361
 __filemap_fdatawrite_range+0x213/0x2d0 mm/filemap.c:346
 filemap_write_and_wait_range mm/filemap.c:581 [inline]
 filemap_write_and_wait_range+0x30/0x90 mm/filemap.c:575
 generic_file_direct_write+0x193/0x410 mm/filemap.c:2934
 __generic_file_write_iter+0x279/0x590 mm/filemap.c:3137
 generic_file_write_iter+0x302/0x660 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 aio_write+0x291/0x4e0 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0xb66/0x1290 fs/aio.c:1709
 SYSC_io_submit fs/aio.c:1734 [inline]
 SyS_io_submit+0xb/0x10 fs/aio.c:1731
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe9efdbacd9
RSP: 002b:00007fe9efd672e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fe9efe3f4c0 RCX: 00007fe9efdbacd9
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007fe9efd3e000
RBP: 00007fe9efe0c0c0 R08: 0000000000000001 R09: 0000000000000033
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9efe3f4cc
R13: 00007fe9efd672f0 R14: 00007fe9efe3f4c8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8518 Comm: syz-executor336 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1e7 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.2+0x105/0x144 lib/fault-inject.c:149
 should_failslab+0xba/0xf0 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc+0x47/0x3e0 mm/slab.c:3550