loop3: detected capacity change from 0 to 32768
ERROR: (device loop3): duplicateIXtree:
ERROR: (device loop3): remounting filesystem as read-only
BUG: Bad page state in process syz.3.28 pfn:1f151
page:ffffea00007c5440 refcount:0 mapcount:0 mapping:0000000000000000 index:0x33 pfn:0x1f151
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea00007b99c8 ffffc900012ff980 0000000000000000
raw: 0000000000000033 ffff88801f14b4d8 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 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4396, ts 68511824294, free_ts 61756730118
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x1b77/0x1c60 mm/page_alloc.c:4192
__alloc_pages+0x1e1/0x470 mm/page_alloc.c:5474
__page_cache_alloc+0xd2/0x3f0 mm/filemap.c:1022
pagecache_get_page+0x986/0xef0 mm/filemap.c:1940
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x282/0x1060 fs/jfs/jfs_metapage.c:614
diNewExt+0x9eb/0x2cb0 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xde9/0x1c20 fs/jfs/jfs_imap.c:1669
diAlloc+0x1c9/0x1910 fs/jfs/jfs_imap.c:1590
ialloc+0x89/0x940 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x190/0xa70 fs/jfs/namei.c:225
vfs_mkdir+0x387/0x570 fs/namei.c:4065
do_mkdirat+0x1d7/0x5a0 fs/namei.c:4090
__do_sys_mkdirat fs/namei.c:4105 [inline]
__se_sys_mkdirat fs/namei.c:4103 [inline]
__x64_sys_mkdirat+0x85/0x90 fs/namei.c:4103
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
free_unref_page+0x94/0x280 mm/page_alloc.c:3396
__vunmap+0x8ab/0xa40 mm/vmalloc.c:2621
bpf_check+0xa1e5/0xf090 kernel/bpf/verifier.c:14249
bpf_prog_load+0x1043/0x1550 kernel/bpf/syscall.c:2348
__sys_bpf+0x4c2/0x670 kernel/bpf/syscall.c:4651
__do_sys_bpf kernel/bpf/syscall.c:4755 [inline]
__se_sys_bpf kernel/bpf/syscall.c:4753 [inline]
__x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4753
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
Modules linked in:
CPU: 0 PID: 4396 Comm: syz.3.28 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x383/0x6c0 mm/page_alloc.c:3317
free_unref_page_list+0x122/0x7e0 mm/page_alloc.c:3433
release_pages+0x184b/0x1bb0 mm/swap.c:963
__pagevec_release+0x6d/0xe0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x2f3/0xef0 mm/truncate.c:329
jfs_remount+0x337/0x5a0 fs/jfs/super.c:456
reconfigure_super+0x219/0x880 fs/super.c:938
do_remount fs/namespace.c:2670 [inline]
path_mount+0xd3e/0x1020 fs/namespace.c:3336
do_mount fs/namespace.c:3357 [inline]
__do_sys_mount fs/namespace.c:3565 [inline]
__se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3542
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f2eb578dbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2eb39f5038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f2eb59b4fa0 RCX: 00007f2eb578dbe9
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007f2eb5810e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000002012024 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2eb59b5038 R14: 00007f2eb59b4fa0 R15: 00007ffc022fae18
BUG: Bad page state in process syz.3.28 pfn:1ee67
page:ffffea00007b99c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x32 pfn:0x1ee67
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea0000795348 ffffc900012ff980 0000000000000000
raw: 0000000000000032 ffff88801f14b3e0 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 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4396, ts 68511781189, free_ts 61766525037
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x1b77/0x1c60 mm/page_alloc.c:4192
__alloc_pages+0x1e1/0x470 mm/page_alloc.c:5474
__page_cache_alloc+0xd2/0x3f0 mm/filemap.c:1022
pagecache_get_page+0x986/0xef0 mm/filemap.c:1940
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x282/0x1060 fs/jfs/jfs_metapage.c:614
diNewExt+0x9eb/0x2cb0 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xde9/0x1c20 fs/jfs/jfs_imap.c:1669
diAlloc+0x1c9/0x1910 fs/jfs/jfs_imap.c:1590
ialloc+0x89/0x940 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x190/0xa70 fs/jfs/namei.c:225
vfs_mkdir+0x387/0x570 fs/namei.c:4065
do_mkdirat+0x1d7/0x5a0 fs/namei.c:4090
__do_sys_mkdirat fs/namei.c:4105 [inline]
__se_sys_mkdirat fs/namei.c:4103 [inline]
__x64_sys_mkdirat+0x85/0x90 fs/namei.c:4103
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
free_unref_page+0x94/0x280 mm/page_alloc.c:3396
kasan_depopulate_vmalloc_pte+0x67/0x80 mm/kasan/shadow.c:375
apply_to_pte_range mm/memory.c:2573 [inline]
apply_to_pmd_range mm/memory.c:2617 [inline]
apply_to_pud_range mm/memory.c:2653 [inline]
apply_to_p4d_range mm/memory.c:2689 [inline]
__apply_to_page_range+0x95c/0xc80 mm/memory.c:2725
kasan_release_vmalloc+0x93/0xb0 mm/kasan/shadow.c:485
__purge_vmap_area_lazy+0xc6e/0x18f0 mm/vmalloc.c:1704
_vm_unmap_aliases+0x410/0x4a0 mm/vmalloc.c:2107
vm_remove_mappings mm/vmalloc.c:2584 [inline]
__vunmap+0x70d/0xa40 mm/vmalloc.c:2611
bpf_jit_binary_free kernel/bpf/core.c:918 [inline]
bpf_jit_free+0x92/0x180 kernel/bpf/core.c:931
process_one_work+0x863/0x1000 kernel/workqueue.c:2310
worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Modules linked in:
CPU: 0 PID: 4396 Comm: syz.3.28 Tainted: G B 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x383/0x6c0 mm/page_alloc.c:3317
free_unref_page_list+0x122/0x7e0 mm/page_alloc.c:3433
release_pages+0x184b/0x1bb0 mm/swap.c:963
__pagevec_release+0x6d/0xe0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x2f3/0xef0 mm/truncate.c:329
jfs_remount+0x337/0x5a0 fs/jfs/super.c:456
reconfigure_super+0x219/0x880 fs/super.c:938
do_remount fs/namespace.c:2670 [inline]
path_mount+0xd3e/0x1020 fs/namespace.c:3336
do_mount fs/namespace.c:3357 [inline]
__do_sys_mount fs/namespace.c:3565 [inline]
__se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3542
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f2eb578dbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2eb39f5038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f2eb59b4fa0 RCX: 00007f2eb578dbe9
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007f2eb5810e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000002012024 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2eb59b5038 R14: 00007f2eb59b4fa0 R15: 00007ffc022fae18
BUG: Bad page state in process syz.3.28 pfn:1e54d
page:ffffea0000795340 refcount:0 mapcount:0 mapping:0000000000000000 index:0x31 pfn:0x1e54d
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea0001d08808 ffffc900012ff980 0000000000000000
raw: 0000000000000031 ffff88801f14b2e8 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 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4396, ts 68511737017, free_ts 61766579987
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x1b77/0x1c60 mm/page_alloc.c:4192
__alloc_pages+0x1e1/0x470 mm/page_alloc.c:5474
__page_cache_alloc+0xd2/0x3f0 mm/filemap.c:1022
pagecache_get_page+0x986/0xef0 mm/filemap.c:1940
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x282/0x1060 fs/jfs/jfs_metapage.c:614
diNewExt+0x9eb/0x2cb0 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xde9/0x1c20 fs/jfs/jfs_imap.c:1669
diAlloc+0x1c9/0x1910 fs/jfs/jfs_imap.c:1590
ialloc+0x89/0x940 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x190/0xa70 fs/jfs/namei.c:225
vfs_mkdir+0x387/0x570 fs/namei.c:4065
do_mkdirat+0x1d7/0x5a0 fs/namei.c:4090
__do_sys_mkdirat fs/namei.c:4105 [inline]
__se_sys_mkdirat fs/namei.c:4103 [inline]
__x64_sys_mkdirat+0x85/0x90 fs/namei.c:4103
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
free_unref_page+0x94/0x280 mm/page_alloc.c:3396
kasan_depopulate_vmalloc_pte+0x67/0x80 mm/kasan/shadow.c:375
apply_to_pte_range mm/memory.c:2573 [inline]
apply_to_pmd_range mm/memory.c:2617 [inline]
apply_to_pud_range mm/memory.c:2653 [inline]
apply_to_p4d_range mm/memory.c:2689 [inline]
__apply_to_page_range+0x95c/0xc80 mm/memory.c:2725
kasan_release_vmalloc+0x93/0xb0 mm/kasan/shadow.c:485
__purge_vmap_area_lazy+0xc6e/0x18f0 mm/vmalloc.c:1704
_vm_unmap_aliases+0x410/0x4a0 mm/vmalloc.c:2107
vm_remove_mappings mm/vmalloc.c:2584 [inline]
__vunmap+0x70d/0xa40 mm/vmalloc.c:2611
bpf_jit_binary_free kernel/bpf/core.c:918 [inline]
bpf_jit_free+0x92/0x180 kernel/bpf/core.c:931
process_one_work+0x863/0x1000 kernel/workqueue.c:2310
worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Modules linked in:
CPU: 0 PID: 4396 Comm: syz.3.28 Tainted: G B 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x383/0x6c0 mm/page_alloc.c:3317
free_unref_page_list+0x122/0x7e0 mm/page_alloc.c:3433
release_pages+0x184b/0x1bb0 mm/swap.c:963
__pagevec_release+0x6d/0xe0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x2f3/0xef0 mm/truncate.c:329
jfs_remount+0x337/0x5a0 fs/jfs/super.c:456
reconfigure_super+0x219/0x880 fs/super.c:938
do_remount fs/namespace.c:2670 [inline]
path_mount+0xd3e/0x1020 fs/namespace.c:3336
do_mount fs/namespace.c:3357 [inline]
__do_sys_mount fs/namespace.c:3565 [inline]
__se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3542
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f2eb578dbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2eb39f5038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f2eb59b4fa0 RCX: 00007f2eb578dbe9
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007f2eb5810e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000002012024 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2eb59b5038 R14: 00007f2eb59b4fa0 R15: 00007ffc022fae18
BUG: Bad page state in process syz.3.28 pfn:2192a
page:ffffea0000864a80 refcount:0 mapcount:0 mapping:0000000000000000 index:0xd pfn:0x2192a
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea000186b208 ffffea0001867108 0000000000000000
raw: 000000000000000d ffff888061ac5e88 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 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4396, ts 68407050169, free_ts 68387700230
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x1b77/0x1c60 mm/page_alloc.c:4192
__alloc_pages+0x1e1/0x470 mm/page_alloc.c:5474
__page_cache_alloc+0xd2/0x3f0 mm/filemap.c:1022
do_read_cache_page+0x1da/0x1030 mm/filemap.c:3457
read_mapping_page include/linux/pagemap.h:515 [inline]
__get_metapage+0x35d/0x1060 fs/jfs/jfs_metapage.c:621
diReadSpecial+0x257/0x6f0 fs/jfs/jfs_imap.c:447
jfs_mount+0x3cd/0x860 fs/jfs/jfs_mount.c:166
jfs_fill_super+0x50b/0xaf0 fs/jfs/super.c:561
mount_bdev+0x287/0x3c0 fs/super.c:1400
legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
vfs_get_tree+0x88/0x270 fs/super.c:1530
do_new_mount+0x24a/0xa40 fs/namespace.c:3014
do_mount fs/namespace.c:3357 [inline]
__do_sys_mount fs/namespace.c:3565 [inline]
__se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3542
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
free_unref_page+0x94/0x280 mm/page_alloc.c:3396
qlist_free_all+0x35/0x90 mm/kasan/quarantine.c:176
kasan_quarantine_reduce+0x150/0x160 mm/kasan/quarantine.c:283
__kasan_slab_alloc+0x2f/0xd0 mm/kasan/common.c:444
kasan_slab_alloc include/linux/kasan.h:254 [inline]
slab_post_alloc_hook+0x4c/0x380 mm/slab.h:519
slab_alloc_node mm/slub.c:3220 [inline]
slab_alloc mm/slub.c:3228 [inline]
kmem_cache_alloc+0x100/0x290 mm/slub.c:3233
anon_vma_chain_alloc mm/rmap.c:138 [inline]
__anon_vma_prepare+0x66/0x410 mm/rmap.c:192
anon_vma_prepare include/linux/rmap.h:152 [inline]
do_anonymous_page mm/memory.c:3836 [inline]
handle_pte_fault mm/memory.c:4648 [inline]
__handle_mm_fault mm/memory.c:4785 [inline]
handle_mm_fault+0x3b86/0x43c0 mm/memory.c:4883
do_user_addr_fault+0x489/0xc80 arch/x86/mm/fault.c:1357
handle_page_fault arch/x86/mm/fault.c:1445 [inline]
exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1501
asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
copy_user_enhanced_fast_string+0xe/0x40 arch/x86/lib/copy_user_64.S:205
copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline]
raw_copy_to_user arch/x86/include/asm/uaccess_64.h:58 [inline]
copyout lib/iov_iter.c:157 [inline]
copy_page_to_iter_iovec lib/iov_iter.c:228 [inline]
__copy_page_to_iter lib/iov_iter.c:861 [inline]
copy_page_to_iter+0x49e/0x910 lib/iov_iter.c:889
filemap_read+0x1d94/0x2480 mm/filemap.c:2698
blkdev_read_iter+0x11d/0x150 block/fops.c:563
Modules linked in:
CPU: 0 PID: 4396 Comm: syz.3.28 Tainted: G B 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x383/0x6c0 mm/page_alloc.c:3317
free_unref_page_list+0x122/0x7e0 mm/page_alloc.c:3433
release_pages+0x184b/0x1bb0 mm/swap.c:963
__pagevec_release+0x6d/0xe0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x2f3/0xef0 mm/truncate.c:329
jfs_remount+0x337/0x5a0 fs/jfs/super.c:456
reconfigure_super+0x219/0x880 fs/super.c:938
do_remount fs/namespace.c:2670 [inline]
path_mount+0xd3e/0x1020 fs/namespace.c:3336
do_mount fs/namespace.c:3357 [inline]
__do_sys_mount fs/namespace.c:3565 [inline]
__se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3542
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f2eb578dbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2eb39f5038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f2eb59b4fa0 RCX: 00007f2eb578dbe9
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007f2eb5810e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000002012024 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2eb59b5038 R14: 00007f2eb59b4fa0 R15: 00007ffc022fae18