BUG: Bad page state in process jfsCommit pfn:792d0
page:ffffea0001e4b400 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1c pfn:0x792d0
flags: 0xfff1000000820d(locked|referenced|uptodate|workingset|private|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff1000000820d dead000000000100 dead000000000122 0000000000000000
raw: 000000000000001c ffff88801cb21ba0 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 6036, tgid 6034 (syz.0.31), ts 83251779334, free_ts 82222582262
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x1cd/0x210 mm/page_alloc.c:1554
prep_new_page mm/page_alloc.c:1561 [inline]
get_page_from_freelist+0x195c/0x19f0 mm/page_alloc.c:3191
__alloc_pages+0x1e3/0x460 mm/page_alloc.c:4457
folio_alloc+0x1e/0x30 mm/mempolicy.c:2291
filemap_alloc_folio+0xdf/0x470 mm/filemap.c:1004
do_read_cache_folio+0x36c/0x7e0 mm/filemap.c:3753
do_read_cache_page+0x32/0x250 mm/filemap.c:3855
read_mapping_page include/linux/pagemap.h:892 [inline]
__get_metapage+0x31a/0xfa0 fs/jfs/jfs_metapage.c:620
diRead+0x6d3/0xb90 fs/jfs/jfs_imap.c:367
jfs_iget+0x8d/0x3c0 fs/jfs/inode.c:35
jfs_fill_super+0x70c/0xac0 fs/jfs/super.c:580
mount_bdev+0x22b/0x2d0 fs/super.c:1643
legacy_get_tree+0xea/0x180 fs/fs_context.c:662
vfs_get_tree+0x8c/0x280 fs/super.c:1764
do_new_mount+0x24b/0xa40 fs/namespace.c:3371
do_mount fs/namespace.c:3711 [inline]
__do_sys_mount fs/namespace.c:3920 [inline]
__se_sys_mount+0x2da/0x3c0 fs/namespace.c:3897
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1154 [inline]
free_unref_page_prepare+0x7ce/0x8e0 mm/page_alloc.c:2336
free_unref_page+0x32/0x2e0 mm/page_alloc.c:2429
__slab_free+0x35e/0x410 mm/slub.c:3722
qlink_free mm/kasan/quarantine.c:166 [inline]
qlist_free_all+0x75/0xe0 mm/kasan/quarantine.c:185
kasan_quarantine_reduce+0x143/0x160 mm/kasan/quarantine.c:292
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:305
kasan_slab_alloc include/linux/kasan.h:188 [inline]
slab_post_alloc_hook+0x6e/0x4d0 mm/slab.h:767
slab_alloc_node mm/slub.c:3485 [inline]
kmem_cache_alloc_node+0x150/0x330 mm/slub.c:3530
__alloc_skb+0x108/0x2c0 net/core/skbuff.c:640
alloc_skb include/linux/skbuff.h:1284 [inline]
nlmsg_new include/net/netlink.h:999 [inline]
inet6_netconf_notify_devconf+0x10f/0x1d0 net/ipv6/addrconf.c:582
__addrconf_sysctl_unregister net/ipv6/addrconf.c:7215 [inline]
addrconf_sysctl_unregister net/ipv6/addrconf.c:7239 [inline]
addrconf_ifdown+0x1544/0x1880 net/ipv6/addrconf.c:3979
addrconf_notify+0x6c6/0x1010 net/ipv6/addrconf.c:-1
notifier_call_chain+0x197/0x390 kernel/notifier.c:93
call_netdevice_notifiers_extack net/core/dev.c:2064 [inline]
call_netdevice_notifiers net/core/dev.c:2078 [inline]
unregister_netdevice_many_notify+0xf36/0x1810 net/core/dev.c:11074
unregister_netdevice_many net/core/dev.c:11130 [inline]
default_device_exit_batch+0x9cb/0xa60 net/core/dev.c:11608
ops_exit_list net/core/net_namespace.c:178 [inline]
cleanup_net+0x77f/0xb90 net/core/net_namespace.c:652
Modules linked in:
CPU: 1 PID: 111 Comm: jfsCommit Not tainted 6.6.100-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
dump_stack_lvl+0x16c/0x230 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:512
free_page_is_bad mm/page_alloc.c:961 [inline]
free_pages_prepare mm/page_alloc.c:1146 [inline]
free_unref_page_prepare+0x887/0x8e0 mm/page_alloc.c:2336
free_unref_page+0x32/0x2e0 mm/page_alloc.c:2429
txUnlock+0x27e/0xcb0 fs/jfs/jfs_txnmgr.c:932
txLazyCommit fs/jfs/jfs_txnmgr.c:2682 [inline]
jfs_lazycommit+0x570/0xa60 fs/jfs/jfs_txnmgr.c:2732
kthread+0x2fa/0x390 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
page:ffffea0001e4b400 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1c pfn:0x792d0
flags: 0xfff1000000820d(locked|referenced|uptodate|workingset|private|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff1000000820d dead000000000100 dead000000000122 0000000000000000
raw: 000000000000001c ffff88801cb21ba0 00000000ffffffff 0000000000000000
page dumped because: VM_BUG_ON_FOLIO(((unsigned int) folio_ref_count(folio) + 127u <= 127u))
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 6036, tgid 6034 (syz.0.31), ts 83251779334, free_ts 82222582262
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x1cd/0x210 mm/page_alloc.c:1554
prep_new_page mm/page_alloc.c:1561 [inline]
get_page_from_freelist+0x195c/0x19f0 mm/page_alloc.c:3191
__alloc_pages+0x1e3/0x460 mm/page_alloc.c:4457
folio_alloc+0x1e/0x30 mm/mempolicy.c:2291
filemap_alloc_folio+0xdf/0x470 mm/filemap.c:1004
do_read_cache_folio+0x36c/0x7e0 mm/filemap.c:3753
do_read_cache_page+0x32/0x250 mm/filemap.c:3855
read_mapping_page include/linux/pagemap.h:892 [inline]
__get_metapage+0x31a/0xfa0 fs/jfs/jfs_metapage.c:620
diRead+0x6d3/0xb90 fs/jfs/jfs_imap.c:367
jfs_iget+0x8d/0x3c0 fs/jfs/inode.c:35
jfs_fill_super+0x70c/0xac0 fs/jfs/super.c:580
mount_bdev+0x22b/0x2d0 fs/super.c:1643
legacy_get_tree+0xea/0x180 fs/fs_context.c:662
vfs_get_tree+0x8c/0x280 fs/super.c:1764
do_new_mount+0x24b/0xa40 fs/namespace.c:3371
do_mount fs/namespace.c:3711 [inline]
__do_sys_mount fs/namespace.c:3920 [inline]
__se_sys_mount+0x2da/0x3c0 fs/namespace.c:3897
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1154 [inline]
free_unref_page_prepare+0x7ce/0x8e0 mm/page_alloc.c:2336
free_unref_page+0x32/0x2e0 mm/page_alloc.c:2429
__slab_free+0x35e/0x410 mm/slub.c:3722
qlink_free mm/kasan/quarantine.c:166 [inline]
qlist_free_all+0x75/0xe0 mm/kasan/quarantine.c:185
kasan_quarantine_reduce+0x143/0x160 mm/kasan/quarantine.c:292
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:305
kasan_slab_alloc include/linux/kasan.h:188 [inline]
slab_post_alloc_hook+0x6e/0x4d0 mm/slab.h:767
slab_alloc_node mm/slub.c:3485 [inline]
kmem_cache_alloc_node+0x150/0x330 mm/slub.c:3530
__alloc_skb+0x108/0x2c0 net/core/skbuff.c:640
alloc_skb include/linux/skbuff.h:1284 [inline]
nlmsg_new include/net/netlink.h:999 [inline]
inet6_netconf_notify_devconf+0x10f/0x1d0 net/ipv6/addrconf.c:582
__addrconf_sysctl_unregister net/ipv6/addrconf.c:7215 [inline]
addrconf_sysctl_unregister net/ipv6/addrconf.c:7239 [inline]
addrconf_ifdown+0x1544/0x1880 net/ipv6/addrconf.c:3979
addrconf_notify+0x6c6/0x1010 net/ipv6/addrconf.c:-1
notifier_call_chain+0x197/0x390 kernel/notifier.c:93
call_netdevice_notifiers_extack net/core/dev.c:2064 [inline]
call_netdevice_notifiers net/core/dev.c:2078 [inline]
unregister_netdevice_many_notify+0xf36/0x1810 net/core/dev.c:11074
unregister_netdevice_many net/core/dev.c:11130 [inline]
default_device_exit_batch+0x9cb/0xa60 net/core/dev.c:11608
ops_exit_list net/core/net_namespace.c:178 [inline]
cleanup_net+0x77f/0xb90 net/core/net_namespace.c:652
------------[ cut here ]------------
kernel BUG at include/linux/mm.h:1447!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 111 Comm: jfsCommit Tainted: G B 6.6.100-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:folio_get include/linux/mm.h:1447 [inline]
RIP: 0010:get_page include/linux/mm.h:1453 [inline]
RIP: 0010:put_metapage+0x253/0x340 fs/jfs/jfs_metapage.c:750
Code: 38 c1 0f 8c 32 ff ff ff 4c 89 ef e8 37 ad dd fe e9 25 ff ff ff e8 4d 67 86 fe 48 8b 3c 24 48 c7 c6 80 f4 e3 8a e8 5d 28 c6 fe <0f> 0b f3 0f 1e fa 4c 8b 2c 24 4c 89 ee 48 81 e6 ff 0f 00 00 31 ff
RSP: 0018:ffffc90002d17cc0 EFLAGS: 00010246
RAX: 049a2f63391b7a00 RBX: ffff88801cb21ba0 RCX: 049a2f63391b7a00
RDX: 0000000000000000 RSI: ffffffff8afc66e0 RDI: ffffffff8afc66a0
RBP: 000000000000007f R08: ffffffff8e4a7daf R09: 1ffffffff1c94fb5
R10: dffffc0000000000 R11: fffffbfff1c94fb6 R12: ffff88801cb21bc8
R13: ffffea0001e4b434 R14: 1ffff11003964379 R15: 1ffff11003964386
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055fd64b08000 CR3: 000000002ecf8000 CR4: 00000000003506f0
Call Trace:
txUnlock+0x427/0xcb0 fs/jfs/jfs_txnmgr.c:947
txLazyCommit fs/jfs/jfs_txnmgr.c:2682 [inline]
jfs_lazycommit+0x570/0xa60 fs/jfs/jfs_txnmgr.c:2732
kthread+0x2fa/0x390 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:folio_get include/linux/mm.h:1447 [inline]
RIP: 0010:get_page include/linux/mm.h:1453 [inline]
RIP: 0010:put_metapage+0x253/0x340 fs/jfs/jfs_metapage.c:750
Code: 38 c1 0f 8c 32 ff ff ff 4c 89 ef e8 37 ad dd fe e9 25 ff ff ff e8 4d 67 86 fe 48 8b 3c 24 48 c7 c6 80 f4 e3 8a e8 5d 28 c6 fe <0f> 0b f3 0f 1e fa 4c 8b 2c 24 4c 89 ee 48 81 e6 ff 0f 00 00 31 ff
RSP: 0018:ffffc90002d17cc0 EFLAGS: 00010246
RAX: 049a2f63391b7a00 RBX: ffff88801cb21ba0 RCX: 049a2f63391b7a00
RDX: 0000000000000000 RSI: ffffffff8afc66e0 RDI: ffffffff8afc66a0
RBP: 000000000000007f R08: ffffffff8e4a7daf R09: 1ffffffff1c94fb5
R10: dffffc0000000000 R11: fffffbfff1c94fb6 R12: ffff88801cb21bc8
R13: ffffea0001e4b434 R14: 1ffff11003964379 R15: 1ffff11003964386
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055fd64b08000 CR3: 0000000062779000 CR4: 00000000003506f0