ERROR: (device loop6): diWrite: ixpxd invalid
ERROR: (device loop6): remounting filesystem as read-only
ERROR: (device loop6): txCommit:
BUG: Bad page state in process syz.6.3515 pfn:31919
page:ffffea0000c64640 refcount:0 mapcount:0 mapping:0000000000000000 index:0x43 pfn:0x31919
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea0000c64608 ffffc900058e79a0 0000000000000000
raw: 0000000000000043 ffff88804f235c98 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x140c40(GFP_NOFS|__GFP_COMP|__GFP_HARDWALL), pid 15542, tgid 15541 (syz.6.3515), ts 620663891999, free_ts 617805228447
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x173/0x1a0 mm/page_alloc.c:2560
prep_new_page mm/page_alloc.c:2567 [inline]
get_page_from_freelist+0x206b/0x2180 mm/page_alloc.c:4358
__alloc_pages+0x1ec/0x4f0 mm/page_alloc.c:5658
folio_alloc+0x1c/0x60 mm/mempolicy.c:2294
filemap_alloc_folio+0xdb/0x480 mm/filemap.c:999
__filemap_get_folio+0x6ba/0xde0 mm/filemap.c:1993
pagecache_get_page+0x26/0x260 mm/folio-compat.c:110
find_or_create_page include/linux/pagemap.h:676 [inline]
grab_cache_page include/linux/pagemap.h:808 [inline]
__get_metapage+0x2a7/0xfb0 fs/jfs/jfs_metapage.c:613
diNewExt+0x9ff/0x2e20 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xe27/0x1c30 fs/jfs/jfs_imap.c:1669
diAlloc+0x1c8/0x1930 fs/jfs/jfs_imap.c:1590
ialloc+0x88/0x930 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x1e1/0xb00 fs/jfs/namei.c:225
vfs_mkdir+0x386/0x570 fs/namei.c:4161
do_mkdirat+0x1d8/0x440 fs/namei.c:4186
__do_sys_mkdirat fs/namei.c:4201 [inline]
__se_sys_mkdirat fs/namei.c:4199 [inline]
__x64_sys_mkdirat+0x85/0x90 fs/namei.c:4199
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1487 [inline]
free_pcp_prepare mm/page_alloc.c:1537 [inline]
free_unref_page_prepare+0x8e5/0x9e0 mm/page_alloc.c:3414
free_unref_page+0x2e/0x3f0 mm/page_alloc.c:3509
free_slab mm/slub.c:2042 [inline]
discard_slab mm/slub.c:2048 [inline]
__unfreeze_partials+0x188/0x1e0 mm/slub.c:2598
put_cpu_partial+0x17c/0x250 mm/slub.c:2674
qlink_free mm/kasan/quarantine.c:166 [inline]
qlist_free_all+0x76/0xe0 mm/kasan/quarantine.c:185
kasan_quarantine_reduce+0x144/0x160 mm/kasan/quarantine.c:292
__kasan_slab_alloc+0x1e/0x80 mm/kasan/common.c:306
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook+0x4b/0x490 mm/slab.h:742
slab_alloc_node mm/slub.c:3366 [inline]
slab_alloc mm/slub.c:3374 [inline]
__kmem_cache_alloc_lru mm/slub.c:3381 [inline]
kmem_cache_alloc+0x18b/0x2f0 mm/slub.c:3390
mt_alloc_one lib/maple_tree.c:154 [inline]
mas_alloc_nodes+0x2ec/0x880 lib/maple_tree.c:1279
mas_node_count_gfp lib/maple_tree.c:1361 [inline]
mas_preallocate+0x162/0x3b0 lib/maple_tree.c:5809
__vma_adjust+0x2ff/0x1d00 mm/mmap.c:724
vma_adjust include/linux/mm.h:2810 [inline]
shift_arg_pages fs/exec.c:705 [inline]
setup_arg_pages+0x81f/0xbe0 fs/exec.c:835
load_elf_binary+0xbf8/0x2820 fs/binfmt_elf.c:1046
search_binary_handler fs/exec.c:1777 [inline]
exec_binprm fs/exec.c:1818 [inline]
bprm_execve+0xaf7/0x17e0 fs/exec.c:1887
do_execveat_common+0x501/0x6b0 fs/exec.c:1992
Modules linked in:
CPU: 1 PID: 15542 Comm: syz.6.3515 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
Call Trace:
dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:726
free_page_is_bad mm/page_alloc.c:1318 [inline]
free_pages_prepare mm/page_alloc.c:1479 [inline]
free_pcp_prepare mm/page_alloc.c:1537 [inline]
free_unref_page_prepare+0x447/0x9e0 mm/page_alloc.c:3414
free_unref_page_list+0xbb/0x8e0 mm/page_alloc.c:3555
release_pages+0x20d1/0x2340 mm/swap.c:1035
__pagevec_release+0x6d/0xe0 mm/swap.c:1055
pagevec_release include/linux/pagevec.h:71 [inline]
folio_batch_release include/linux/pagevec.h:135 [inline]
truncate_inode_pages_range+0x35c/0x10b0 mm/truncate.c:397
jfs_remount+0x348/0x5c0 fs/jfs/super.c:451
reconfigure_super+0x224/0x8d0 fs/super.c:977
do_remount fs/namespace.c:2767 [inline]
path_mount+0xcce/0xfb0 fs/namespace.c:3454
do_mount fs/namespace.c:3475 [inline]
__do_sys_mount fs/namespace.c:3683 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3660
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fd3919a0d8a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd3927ece58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd3927ecee0 RCX: 00007fd3919a0d8a
RDX: 0000200000008580 RSI: 00002000000085c0 RDI: 0000000000000000
RBP: 0000200000008580 R08: 00007fd3927ecee0 R09: 0000000001a6a038
R10: 0000000001a6a038 R11: 0000000000000246 R12: 00002000000085c0
R13: 00007fd3927ecea0 R14: 0000000000000000 R15: 0000200000008600
BUG: Bad page state in process syz.6.3515 pfn:31918
page:ffffea0000c64600 refcount:0 mapcount:0 mapping:0000000000000000 index:0x42 pfn:0x31918
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea000065cfc8 ffffc900058e79a0 0000000000000000
raw: 0000000000000042 ffff88804f235aa8 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x140c40(GFP_NOFS|__GFP_COMP|__GFP_HARDWALL), pid 15542, tgid 15541 (syz.6.3515), ts 620663853011, free_ts 617805228447
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x173/0x1a0 mm/page_alloc.c:2560
prep_new_page mm/page_alloc.c:2567 [inline]
get_page_from_freelist+0x206b/0x2180 mm/page_alloc.c:4358
__alloc_pages+0x1ec/0x4f0 mm/page_alloc.c:5658
folio_alloc+0x1c/0x60 mm/mempolicy.c:2294
filemap_alloc_folio+0xdb/0x480 mm/filemap.c:999
__filemap_get_folio+0x6ba/0xde0 mm/filemap.c:1993
pagecache_get_page+0x26/0x260 mm/folio-compat.c:110
find_or_create_page include/linux/pagemap.h:676 [inline]
grab_cache_page include/linux/pagemap.h:808 [inline]
__get_metapage+0x2a7/0xfb0 fs/jfs/jfs_metapage.c:613
diNewExt+0x9ff/0x2e20 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xe27/0x1c30 fs/jfs/jfs_imap.c:1669
diAlloc+0x1c8/0x1930 fs/jfs/jfs_imap.c:1590
ialloc+0x88/0x930 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x1e1/0xb00 fs/jfs/namei.c:225
vfs_mkdir+0x386/0x570 fs/namei.c:4161
do_mkdirat+0x1d8/0x440 fs/namei.c:4186
__do_sys_mkdirat fs/namei.c:4201 [inline]
__se_sys_mkdirat fs/namei.c:4199 [inline]
__x64_sys_mkdirat+0x85/0x90 fs/namei.c:4199
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1487 [inline]
free_pcp_prepare mm/page_alloc.c:1537 [inline]
free_unref_page_prepare+0x8e5/0x9e0 mm/page_alloc.c:3414
free_unref_page+0x2e/0x3f0 mm/page_alloc.c:3509
free_slab mm/slub.c:2042 [inline]
discard_slab mm/slub.c:2048 [inline]
__unfreeze_partials+0x188/0x1e0 mm/slub.c:2598
put_cpu_partial+0x17c/0x250 mm/slub.c:2674
qlink_free mm/kasan/quarantine.c:166 [inline]
qlist_free_all+0x76/0xe0 mm/kasan/quarantine.c:185
kasan_quarantine_reduce+0x144/0x160 mm/kasan/quarantine.c:292
__kasan_slab_alloc+0x1e/0x80 mm/kasan/common.c:306
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook+0x4b/0x490 mm/slab.h:742
slab_alloc_node mm/slub.c:3366 [inline]
slab_alloc mm/slub.c:3374 [inline]
__kmem_cache_alloc_lru mm/slub.c:3381 [inline]
kmem_cache_alloc+0x18b/0x2f0 mm/slub.c:3390
mt_alloc_one lib/maple_tree.c:154 [inline]
mas_alloc_nodes+0x2ec/0x880 lib/maple_tree.c:1279
mas_node_count_gfp lib/maple_tree.c:1361 [inline]
mas_preallocate+0x162/0x3b0 lib/maple_tree.c:5809
__vma_adjust+0x2ff/0x1d00 mm/mmap.c:724
vma_adjust include/linux/mm.h:2810 [inline]
shift_arg_pages fs/exec.c:705 [inline]
setup_arg_pages+0x81f/0xbe0 fs/exec.c:835
load_elf_binary+0xbf8/0x2820 fs/binfmt_elf.c:1046
search_binary_handler fs/exec.c:1777 [inline]
exec_binprm fs/exec.c:1818 [inline]
bprm_execve+0xaf7/0x17e0 fs/exec.c:1887
do_execveat_common+0x501/0x6b0 fs/exec.c:1992
Modules linked in:
CPU: 1 PID: 15542 Comm: syz.6.3515 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
Call Trace:
dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:726
free_page_is_bad mm/page_alloc.c:1318 [inline]
free_pages_prepare mm/page_alloc.c:1479 [inline]
free_pcp_prepare mm/page_alloc.c:1537 [inline]
free_unref_page_prepare+0x447/0x9e0 mm/page_alloc.c:3414
free_unref_page_list+0xbb/0x8e0 mm/page_alloc.c:3555
release_pages+0x20d1/0x2340 mm/swap.c:1035
__pagevec_release+0x6d/0xe0 mm/swap.c:1055
pagevec_release include/linux/pagevec.h:71 [inline]
folio_batch_release include/linux/pagevec.h:135 [inline]
truncate_inode_pages_range+0x35c/0x10b0 mm/truncate.c:397
jfs_remount+0x348/0x5c0 fs/jfs/super.c:451
reconfigure_super+0x224/0x8d0 fs/super.c:977
do_remount fs/namespace.c:2767 [inline]
path_mount+0xcce/0xfb0 fs/namespace.c:3454
do_mount fs/namespace.c:3475 [inline]
__do_sys_mount fs/namespace.c:3683 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3660
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fd3919a0d8a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd3927ece58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd3927ecee0 RCX: 00007fd3919a0d8a
RDX: 0000200000008580 RSI: 00002000000085c0 RDI: 0000000000000000
RBP: 0000200000008580 R08: 00007fd3927ecee0 R09: 0000000001a6a038
R10: 0000000001a6a038 R11: 0000000000000246 R12: 00002000000085c0
R13: 00007fd3927ecea0 R14: 0000000000000000 R15: 0000200000008600
BUG: Bad page state in process syz.6.3515 pfn:1973f
page:ffffea000065cfc0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x41 pfn:0x1973f
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea000065cf08 ffffc900058e79a0 0000000000000000
raw: 0000000000000041 ffff88804f235d90 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x140c40(GFP_NOFS|__GFP_COMP|__GFP_HARDWALL), pid 15542, tgid 15541 (syz.6.3515), ts 620663806944, free_ts 617805248342
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x173/0x1a0 mm/page_alloc.c:2560
prep_new_page mm/page_alloc.c:2567 [inline]
get_page_from_freelist+0x206b/0x2180 mm/page_alloc.c:4358
__alloc_pages+0x1ec/0x4f0 mm/page_alloc.c:5658
folio_alloc+0x1c/0x60 mm/mempolicy.c:2294
filemap_alloc_folio+0xdb/0x480 mm/filemap.c:999
__filemap_get_folio+0x6ba/0xde0 mm/filemap.c:1993
pagecache_get_page+0x26/0x260 mm/folio-compat.c:110
find_or_create_page include/linux/pagemap.h:676 [inline]
grab_cache_page include/linux/pagemap.h:808 [inline]
__get_metapage+0x2a7/0xfb0 fs/jfs/jfs_metapage.c:613
diNewExt+0x9ff/0x2e20 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xe27/0x1c30 fs/jfs/jfs_imap.c:1669
diAlloc+0x1c8/0x1930 fs/jfs/jfs_imap.c:1590
ialloc+0x88/0x930 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x1e1/0xb00 fs/jfs/namei.c:225
vfs_mkdir+0x386/0x570 fs/namei.c:4161
do_mkdirat+0x1d8/0x440 fs/namei.c:4186
__do_sys_mkdirat fs/namei.c:4201 [inline]
__se_sys_mkdirat fs/namei.c:4199 [inline]
__x64_sys_mkdirat+0x85/0x90 fs/namei.c:4199
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1487 [inline]
free_pcp_prepare mm/page_alloc.c:1537 [inline]
free_unref_page_prepare+0x8e5/0x9e0 mm/page_alloc.c:3414
free_unref_page+0x2e/0x3f0 mm/page_alloc.c:3509
free_slab mm/slub.c:2042 [inline]
discard_slab mm/slub.c:2048 [inline]
__unfreeze_partials+0x188/0x1e0 mm/slub.c:2598
put_cpu_partial+0x17c/0x250 mm/slub.c:2674
qlink_free mm/kasan/quarantine.c:166 [inline]
qlist_free_all+0x76/0xe0 mm/kasan/quarantine.c:185
kasan_quarantine_reduce+0x144/0x160 mm/kasan/quarantine.c:292
__kasan_slab_alloc+0x1e/0x80 mm/kasan/common.c:306
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook+0x4b/0x490 mm/slab.h:742
slab_alloc_node mm/slub.c:3366 [inline]
slab_alloc mm/slub.c:3374 [inline]
__kmem_cache_alloc_lru mm/slub.c:3381 [inline]
kmem_cache_alloc+0x18b/0x2f0 mm/slub.c:3390
mt_alloc_one lib/maple_tree.c:154 [inline]
mas_alloc_nodes+0x2ec/0x880 lib/maple_tree.c:1279
mas_node_count_gfp lib/maple_tree.c:1361 [inline]
mas_preallocate+0x162/0x3b0 lib/maple_tree.c:5809
__vma_adjust+0x2ff/0x1d00 mm/mmap.c:724
vma_adjust include/linux/mm.h:2810 [inline]
shift_arg_pages fs/exec.c:705 [inline]
setup_arg_pages+0x81f/0xbe0 fs/exec.c:835
load_elf_binary+0xbf8/0x2820 fs/binfmt_elf.c:1046
search_binary_handler fs/exec.c:1777 [inline]
exec_binprm fs/exec.c:1818 [inline]
bprm_execve+0xaf7/0x17e0 fs/exec.c:1887
do_execveat_common+0x501/0x6b0 fs/exec.c:1992
Modules linked in:
CPU: 1 PID: 15542 Comm: syz.6.3515 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
Call Trace:
dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:726
free_page_is_bad mm/page_alloc.c:1318 [inline]
free_pages_prepare mm/page_alloc.c:1479 [inline]
free_pcp_prepare mm/page_alloc.c:1537 [inline]
free_unref_page_prepare+0x447/0x9e0 mm/page_alloc.c:3414
free_unref_page_list+0xbb/0x8e0 mm/page_alloc.c:3555
release_pages+0x20d1/0x2340 mm/swap.c:1035
__pagevec_release+0x6d/0xe0 mm/swap.c:1055
pagevec_release include/linux/pagevec.h:71 [inline]
folio_batch_release include/linux/pagevec.h:135 [inline]
truncate_inode_pages_range+0x35c/0x10b0 mm/truncate.c:397
jfs_remount+0x348/0x5c0 fs/jfs/super.c:451
reconfigure_super+0x224/0x8d0 fs/super.c:977
do_remount fs/namespace.c:2767 [inline]
path_mount+0xcce/0xfb0 fs/namespace.c:3454
do_mount fs/namespace.c:3475 [inline]
__do_sys_mount fs/namespace.c:3683 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3660
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fd3919a0d8a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd3927ece58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd3927ecee0 RCX: 00007fd3919a0d8a
RDX: 0000200000008580 RSI: 00002000000085c0 RDI: 0000000000000000
RBP: 0000200000008580 R08: 00007fd3927ecee0 R09: 0000000001a6a038
R10: 0000000001a6a038 R11: 0000000000000246 R12: 00002000000085c0
R13: 00007fd3927ecea0 R14: 0000000000000000 R15: 0000200000008600
ERROR: (device loop6): dtReadFirst: btstack overrun
ERROR: (device loop6): remounting filesystem as read-only
btstack dump:
bn = 0, index = 0
bn = 0, index = 0
bn = 0, index = 0
bn = 0, index = 0
bn = 0, index = 0
bn = 0, index = 0
bn = 0, index = 0
bn = 0, index = 0