xt_physdev: --physdev-out and --physdev-is-out only supported in the FORWARD and POSTROUTING chains with bridged traffic
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BUG: KASAN: use-after-free in dtMoveEntry fs/jfs/jfs_dtree.c:3931 [inline]
BUG: KASAN: use-after-free in dtSplitPage+0x1cc3/0x36a0 fs/jfs/jfs_dtree.c:1558
Write of size 1 at addr ffff88801fdf1000 by task syz.0.0/5326

CPU: 0 UID: 0 PID: 5326 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 print_address_description+0x55/0x1e0 mm/kasan/report.c:378
 print_report+0x58/0x70 mm/kasan/report.c:482
 kasan_report+0x117/0x150 mm/kasan/report.c:595
 dtMoveEntry fs/jfs/jfs_dtree.c:3931 [inline]
 dtSplitPage+0x1cc3/0x36a0 fs/jfs/jfs_dtree.c:1558
 dtSplitUp fs/jfs/jfs_dtree.c:1089 [inline]
 dtInsert+0x1081/0x5cd0 fs/jfs/jfs_dtree.c:868
 jfs_create+0x75b/0xb10 fs/jfs/namei.c:138
 lookup_open fs/namei.c:4511 [inline]
 open_last_lookups fs/namei.c:4611 [inline]
 path_openat+0x1395/0x3860 fs/namei.c:4855
 do_file_open+0x23e/0x4a0 fs/namei.c:4887
 do_sys_openat2+0x113/0x200 fs/open.c:1364
 do_sys_open fs/open.c:1370 [inline]
 __do_sys_creat fs/open.c:1448 [inline]
 __se_sys_creat fs/open.c:1442 [inline]
 __x64_sys_creat+0x8f/0xc0 fs/open.c:1442
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0075f9cdd9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0076f11fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f0076216090 RCX: 00007f0075f9cdd9
RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000200000000100
RBP: 00007f0076032d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0076216128 R14: 00007f0076216090 R15: 00007ffc74d86af8
 </TASK>

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x2d pfn:0x1fdf1
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f0(buddy)
raw: 00fff00000000000 ffffea00007f7bc8 ffffea00004ac348 0000000000000000
raw: 000000000000002d 0000000000000000 00000000f0000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x152c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 5281, tgid 5281 (udevd), ts 102935782177, free_ts 102967957406
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x231/0x280 mm/page_alloc.c:1858
 prep_new_page mm/page_alloc.c:1866 [inline]
 get_page_from_freelist+0x24ba/0x2540 mm/page_alloc.c:3946
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5226
 alloc_pages_mpol+0x235/0x490 mm/mempolicy.c:2490
 alloc_frozen_pages_noprof mm/mempolicy.c:2561 [inline]
 alloc_pages_noprof+0xac/0x2a0 mm/mempolicy.c:2581
 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2591
 filemap_alloc_folio_noprof+0x111/0x470 mm/filemap.c:1014
 ractl_alloc_folio mm/readahead.c:189 [inline]
 page_cache_ra_unbounded+0x393/0xa10 mm/readahead.c:277
 do_page_cache_ra mm/readahead.c:334 [inline]
 force_page_cache_ra+0x26e/0x2e0 mm/readahead.c:364
 filemap_get_pages+0x4c0/0x1ef0 mm/filemap.c:2696
 filemap_read+0x447/0x1230 mm/filemap.c:2806
 blkdev_read_iter+0x30a/0x440 block/fops.c:855
 new_sync_read fs/read_write.c:493 [inline]
 vfs_read+0x582/0xa70 fs/read_write.c:574
 ksys_read+0x150/0x270 fs/read_write.c:717
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 69 tgid 69 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1402 [inline]
 free_unref_folios+0xcec/0x1480 mm/page_alloc.c:3004
 shrink_folio_list+0x2a26/0x52a0 mm/vmscan.c:1516
 evict_folios+0x4998/0x5ac0 mm/vmscan.c:4854
 try_to_shrink_lruvec+0xbca/0x1050 mm/vmscan.c:5009
 shrink_one+0x25c/0x710 mm/vmscan.c:5069
 shrink_many mm/vmscan.c:5132 [inline]
 lru_gen_shrink_node mm/vmscan.c:5210 [inline]
 shrink_node+0x31bf/0x3ae0 mm/vmscan.c:6198
 kswapd_shrink_node mm/vmscan.c:7052 [inline]
 balance_pgdat mm/vmscan.c:7228 [inline]
 kswapd+0x1736/0x2de0 mm/vmscan.c:7501
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Memory state around the buggy address:
 ffff88801fdf0f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88801fdf0f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88801fdf1000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff88801fdf1080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88801fdf1100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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