BUG: Bad page state in process syz.6.730  pfn:535fd
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x535fd
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801265c000 0000000000000000
raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 9949, tgid 9945 (syz.6.730), ts 301645994475, free_ts 300850324186
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x303f/0x3190 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
 xdp_test_run_batch net/bpf/test_run.c:305 [inline]
 bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 5210 tgid 5210 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
 discard_slab mm/slub.c:2677 [inline]
 __put_partials+0xeb/0x130 mm/slub.c:3145
 put_cpu_partial+0x17c/0x250 mm/slub.c:3220
 __slab_free+0x2ea/0x3d0 mm/slub.c:4449
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:247 [inline]
 slab_post_alloc_hook mm/slub.c:4085 [inline]
 slab_alloc_node mm/slub.c:4134 [inline]
 __kmalloc_cache_noprof+0x132/0x2c0 mm/slub.c:4290
 kmalloc_noprof include/linux/slab.h:878 [inline]
 kzalloc_noprof include/linux/slab.h:1014 [inline]
 kernfs_iop_get_link+0x67/0x5a0 fs/kernfs/symlink.c:135
 vfs_readlink+0x170/0x3b0 fs/namei.c:5267
 do_readlinkat+0x249/0x3a0 fs/stat.c:551
 __do_sys_readlink fs/stat.c:574 [inline]
 __se_sys_readlink fs/stat.c:571 [inline]
 __x64_sys_readlink+0x7f/0x90 fs/stat.c:571
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 9949 Comm: syz.6.730 Not tainted 6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x166/0x1b0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:918 [inline]
 free_pages_prepare mm/page_alloc.c:1100 [inline]
 free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
 skb_free_frag include/linux/skbuff.h:3399 [inline]
 skb_free_head net/core/skbuff.c:1096 [inline]
 skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
 skb_release_all net/core/skbuff.c:1190 [inline]
 __kfree_skb net/core/skbuff.c:1204 [inline]
 sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
 kfree_skb_reason include/linux/skbuff.h:1262 [inline]
 __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640
 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741
 __netif_receive_skb_list net/core/dev.c:5808 [inline]
 netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899
 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951
 xdp_recv_frames net/bpf/test_run.c:279 [inline]
 xdp_test_run_batch net/bpf/test_run.c:360 [inline]
 bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4d1e37e719
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:00007f4d1f1ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4d1e536058 RCX: 00007f4d1e37e719
RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
RBP: 00007f4d1e3f132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4d1e536058 R15: 00007ffca2264bf8
 </TASK>
BUG: Bad page state in process syz.6.730  pfn:535fc
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x535fc
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801265c000 0000000000000000
raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 9949, tgid 9945 (syz.6.730), ts 301645983065, free_ts 300850324186
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x303f/0x3190 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
 xdp_test_run_batch net/bpf/test_run.c:305 [inline]
 bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 5210 tgid 5210 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
 discard_slab mm/slub.c:2677 [inline]
 __put_partials+0xeb/0x130 mm/slub.c:3145
 put_cpu_partial+0x17c/0x250 mm/slub.c:3220
 __slab_free+0x2ea/0x3d0 mm/slub.c:4449
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:247 [inline]
 slab_post_alloc_hook mm/slub.c:4085 [inline]
 slab_alloc_node mm/slub.c:4134 [inline]
 __kmalloc_cache_noprof+0x132/0x2c0 mm/slub.c:4290
 kmalloc_noprof include/linux/slab.h:878 [inline]
 kzalloc_noprof include/linux/slab.h:1014 [inline]
 kernfs_iop_get_link+0x67/0x5a0 fs/kernfs/symlink.c:135
 vfs_readlink+0x170/0x3b0 fs/namei.c:5267
 do_readlinkat+0x249/0x3a0 fs/stat.c:551
 __do_sys_readlink fs/stat.c:574 [inline]
 __se_sys_readlink fs/stat.c:571 [inline]
 __x64_sys_readlink+0x7f/0x90 fs/stat.c:571
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 9949 Comm: syz.6.730 Tainted: G    B              6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x166/0x1b0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:918 [inline]
 free_pages_prepare mm/page_alloc.c:1100 [inline]
 free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
 skb_free_frag include/linux/skbuff.h:3399 [inline]
 skb_free_head net/core/skbuff.c:1096 [inline]
 skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
 skb_release_all net/core/skbuff.c:1190 [inline]
 __kfree_skb net/core/skbuff.c:1204 [inline]
 sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
 kfree_skb_reason include/linux/skbuff.h:1262 [inline]
 __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640
 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741
 __netif_receive_skb_list net/core/dev.c:5808 [inline]
 netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899
 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951
 xdp_recv_frames net/bpf/test_run.c:279 [inline]
 xdp_test_run_batch net/bpf/test_run.c:360 [inline]
 bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4d1e37e719
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:00007f4d1f1ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4d1e536058 RCX: 00007f4d1e37e719
RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
RBP: 00007f4d1e3f132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4d1e536058 R15: 00007ffca2264bf8
 </TASK>
BUG: Bad page state in process syz.6.730  pfn:535fb
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x535fb
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801265c000 0000000000000000
raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 9949, tgid 9945 (syz.6.730), ts 301645971715, free_ts 300850324186
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x303f/0x3190 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
 xdp_test_run_batch net/bpf/test_run.c:305 [inline]
 bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 5210 tgid 5210 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
 discard_slab mm/slub.c:2677 [inline]
 __put_partials+0xeb/0x130 mm/slub.c:3145
 put_cpu_partial+0x17c/0x250 mm/slub.c:3220
 __slab_free+0x2ea/0x3d0 mm/slub.c:4449
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:247 [inline]
 slab_post_alloc_hook mm/slub.c:4085 [inline]
 slab_alloc_node mm/slub.c:4134 [inline]
 __kmalloc_cache_noprof+0x132/0x2c0 mm/slub.c:4290
 kmalloc_noprof include/linux/slab.h:878 [inline]
 kzalloc_noprof include/linux/slab.h:1014 [inline]
 kernfs_iop_get_link+0x67/0x5a0 fs/kernfs/symlink.c:135
 vfs_readlink+0x170/0x3b0 fs/namei.c:5267
 do_readlinkat+0x249/0x3a0 fs/stat.c:551
 __do_sys_readlink fs/stat.c:574 [inline]
 __se_sys_readlink fs/stat.c:571 [inline]
 __x64_sys_readlink+0x7f/0x90 fs/stat.c:571
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 9949 Comm: syz.6.730 Tainted: G    B              6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x166/0x1b0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:918 [inline]
 free_pages_prepare mm/page_alloc.c:1100 [inline]
 free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
 skb_free_frag include/linux/skbuff.h:3399 [inline]
 skb_free_head net/core/skbuff.c:1096 [inline]
 skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
 skb_release_all net/core/skbuff.c:1190 [inline]
 __kfree_skb net/core/skbuff.c:1204 [inline]
 sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
 kfree_skb_reason include/linux/skbuff.h:1262 [inline]
 __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640
 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741
 __netif_receive_skb_list net/core/dev.c:5808 [inline]
 netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899
 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951
 xdp_recv_frames net/bpf/test_run.c:279 [inline]
 xdp_test_run_batch net/bpf/test_run.c:360 [inline]
 bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4d1e37e719
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:00007f4d1f1ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4d1e536058 RCX: 00007f4d1e37e719
RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
RBP: 00007f4d1e3f132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4d1e536058 R15: 00007ffca2264bf8
 </TASK>
BUG: Bad page state in process syz.6.730  pfn:535fa
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x535fa
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801265c000 0000000000000000
raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 9949, tgid 9945 (syz.6.730), ts 301645960265, free_ts 300850324186
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x303f/0x3190 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
 xdp_test_run_batch net/bpf/test_run.c:305 [inline]
 bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 5210 tgid 5210 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
 discard_slab mm/slub.c:2677 [inline]
 __put_partials+0xeb/0x130 mm/slub.c:3145
 put_cpu_partial+0x17c/0x250 mm/slub.c:3220
 __slab_free+0x2ea/0x3d0 mm/slub.c:4449
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:247 [inline]
 slab_post_alloc_hook mm/slub.c:4085 [inline]
 slab_alloc_node mm/slub.c:4134 [inline]
 __kmalloc_cache_noprof+0x132/0x2c0 mm/slub.c:4290
 kmalloc_noprof include/linux/slab.h:878 [inline]
 kzalloc_noprof include/linux/slab.h:1014 [inline]
 kernfs_iop_get_link+0x67/0x5a0 fs/kernfs/symlink.c:135
 vfs_readlink+0x170/0x3b0 fs/namei.c:5267
 do_readlinkat+0x249/0x3a0 fs/stat.c:551
 __do_sys_readlink fs/stat.c:574 [inline]
 __se_sys_readlink fs/stat.c:571 [inline]
 __x64_sys_readlink+0x7f/0x90 fs/stat.c:571
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 9949 Comm: syz.6.730 Tainted: G    B              6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x166/0x1b0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:918 [inline]
 free_pages_prepare mm/page_alloc.c:1100 [inline]
 free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
 skb_free_frag include/linux/skbuff.h:3399 [inline]
 skb_free_head net/core/skbuff.c:1096 [inline]
 skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
 skb_release_all net/core/skbuff.c:1190 [inline]
 __kfree_skb net/core/skbuff.c:1204 [inline]
 sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
 kfree_skb_reason include/linux/skbuff.h:1262 [inline]
 __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640
 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741
 __netif_receive_skb_list net/core/dev.c:5808 [inline]
 netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899
 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951
 xdp_recv_frames net/bpf/test_run.c:279 [inline]
 xdp_test_run_batch net/bpf/test_run.c:360 [inline]
 bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4d1e37e719
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:00007f4d1f1ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4d1e536058 RCX: 00007f4d1e37e719
RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
RBP: 00007f4d1e3f132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4d1e536058 R15: 00007ffca2264bf8
 </TASK>
BUG: Bad page state in process syz.6.730  pfn:535f9
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x8 pfn:0x535f9
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801265c000 0000000000000000
raw: 0000000000000008 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 9949, tgid 9945 (syz.6.730), ts 301645948415, free_ts 300850324186
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x303f/0x3190 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
 xdp_test_run_batch net/bpf/test_run.c:305 [inline]
 bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 5210 tgid 5210 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
 discard_slab mm/slub.c:2677 [inline]
 __put_partials+0xeb/0x130 mm/slub.c:3145
 put_cpu_partial+0x17c/0x250 mm/slub.c:3220
 __slab_free+0x2ea/0x3d0 mm/slub.c:4449
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:247 [inline]
 slab_post_alloc_hook mm/slub.c:4085 [inline]
 slab_alloc_node mm/slub.c:4134 [inline]
 __kmalloc_cache_noprof+0x132/0x2c0 mm/slub.c:4290
 kmalloc_noprof include/linux/slab.h:878 [inline]
 kzalloc_noprof include/linux/slab.h:1014 [inline]
 kernfs_iop_get_link+0x67/0x5a0 fs/kernfs/symlink.c:135
 vfs_readlink+0x170/0x3b0 fs/namei.c:5267
 do_readlinkat+0x249/0x3a0 fs/stat.c:551
 __do_sys_readlink fs/stat.c:574 [inline]
 __se_sys_readlink fs/stat.c:571 [inline]
 __x64_sys_readlink+0x7f/0x90 fs/stat.c:571
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 9949 Comm: syz.6.730 Tainted: G    B              6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x166/0x1b0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:918 [inline]
 free_pages_prepare mm/page_alloc.c:1100 [inline]
 free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
 skb_free_frag include/linux/skbuff.h:3399 [inline]
 skb_free_head net/core/skbuff.c:1096 [inline]
 skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
 skb_release_all net/core/skbuff.c:1190 [inline]
 __kfree_skb net/core/skbuff.c:1204 [inline]
 sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
 kfree_skb_reason include/linux/skbuff.h:1262 [inline]
 __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640
 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741
 __netif_receive_skb_list net/core/dev.c:5808 [inline]
 netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899
 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951
 xdp_recv_frames net/bpf/test_run.c:279 [inline]
 xdp_test_run_batch net/bpf/test_run.c:360 [inline]
 bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4d1e37e719
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:00007f4d1f1ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4d1e536058 RCX: 00007f4d1e37e719
RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
RBP: 00007f4d1e3f132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4d1e536058 R15: 00007ffca2264bf8
 </TASK>
BUG: Bad page state in process syz.6.730  pfn:535f8
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880535fe600 pfn:0x535f8
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801265c000 0000000000000000
raw: ffff8880535fe600 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 9949, tgid 9945 (syz.6.730), ts 301645936945, free_ts 300850324186
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x303f/0x3190 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
 xdp_test_run_batch net/bpf/test_run.c:305 [inline]
 bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 5210 tgid 5210 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
 discard_slab mm/slub.c:2677 [inline]
 __put_partials+0xeb/0x130 mm/slub.c:3145
 put_cpu_partial+0x17c/0x250 mm/slub.c:3220
 __slab_free+0x2ea/0x3d0 mm/slub.c:4449
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:247 [inline]
 slab_post_alloc_hook mm/slub.c:4085 [inline]
 slab_alloc_node mm/slub.c:4134 [inline]
 __kmalloc_cache_noprof+0x132/0x2c0 mm/slub.c:4290
 kmalloc_noprof include/linux/slab.h:878 [inline]
 kzalloc_noprof include/linux/slab.h:1014 [inline]
 kernfs_iop_get_link+0x67/0x5a0 fs/kernfs/symlink.c:135
 vfs_readlink+0x170/0x3b0 fs/namei.c:5267
 do_readlinkat+0x249/0x3a0 fs/stat.c:551
 __do_sys_readlink fs/stat.c:574 [inline]
 __se_sys_readlink fs/stat.c:571 [inline]
 __x64_sys_readlink+0x7f/0x90 fs/stat.c:571
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 9949 Comm: syz.6.730 Tainted: G    B              6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x166/0x1b0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:918 [inline]
 free_pages_prepare mm/page_alloc.c:1100 [inline]
 free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
 skb_free_frag include/linux/skbuff.h:3399 [inline]
 skb_free_head net/core/skbuff.c:1096 [inline]
 skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
 skb_release_all net/core/skbuff.c:1190 [inline]
 __kfree_skb net/core/skbuff.c:1204 [inline]
 sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
 kfree_skb_reason include/linux/skbuff.h:1262 [inline]
 __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640
 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741
 __netif_receive_skb_list net/core/dev.c:5808 [inline]
 netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899
 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951
 xdp_recv_frames net/bpf/test_run.c:279 [inline]
 xdp_test_run_batch net/bpf/test_run.c:360 [inline]
 bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4d1e37e719
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:00007f4d1f1ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4d1e536058 RCX: 00007f4d1e37e719
RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
RBP: 00007f4d1e3f132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4d1e536058 R15: 00007ffca2264bf8
 </TASK>
BUG: Bad page state in process syz.6.730  pfn:7d947
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7d947
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801265c000 0000000000000000
raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 9949, tgid 9945 (syz.6.730), ts 301645925055, free_ts 300618376847
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x303f/0x3190 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
 xdp_test_run_batch net/bpf/test_run.c:305 [inline]
 bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 9926 tgid 9925 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
 discard_slab mm/slub.c:2677 [inline]
 __put_partials+0xeb/0x130 mm/slub.c:3145
 put_cpu_partial+0x17c/0x250 mm/slub.c:3220
 __slab_free+0x2ea/0x3d0 mm/slub.c:4449
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:247 [inline]
 slab_post_alloc_hook mm/slub.c:4085 [inline]
 slab_alloc_node mm/slub.c:4134 [inline]
 kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
 ptlock_alloc+0x20/0x70 mm/memory.c:6918
 ptlock_init include/linux/mm.h:2958 [inline]
 pagetable_pte_ctor include/linux/mm.h:2985 [inline]
 __pte_alloc_one_noprof include/asm-generic/pgalloc.h:73 [inline]
 pte_alloc_one+0xcd/0x5d0 arch/x86/mm/pgtable.c:33
 __pte_alloc+0x79/0x390 mm/memory.c:448
 do_anonymous_page mm/memory.c:4752 [inline]
 do_pte_missing mm/memory.c:3963 [inline]
 handle_pte_fault+0x50b4/0x6800 mm/memory.c:5766
 __handle_mm_fault mm/memory.c:5909 [inline]
 handle_mm_fault+0x1106/0x1bb0 mm/memory.c:6077
 do_user_addr_fault arch/x86/mm/fault.c:1338 [inline]
 handle_page_fault arch/x86/mm/fault.c:1481 [inline]
 exc_page_fault+0x459/0x8c0 arch/x86/mm/fault.c:1539
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
Modules linked in:
CPU: 1 UID: 0 PID: 9949 Comm: syz.6.730 Tainted: G    B              6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x166/0x1b0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:918 [inline]
 free_pages_prepare mm/page_alloc.c:1100 [inline]
 free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
 skb_free_frag include/linux/skbuff.h:3399 [inline]
 skb_free_head net/core/skbuff.c:1096 [inline]
 skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
 skb_release_all net/core/skbuff.c:1190 [inline]
 __kfree_skb net/core/skbuff.c:1204 [inline]
 sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
 kfree_skb_reason include/linux/skbuff.h:1262 [inline]
 __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640
 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741
 __netif_receive_skb_list net/core/dev.c:5808 [inline]
 netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899
 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951
 xdp_recv_frames net/bpf/test_run.c:279 [inline]
 xdp_test_run_batch net/bpf/test_run.c:360 [inline]
 bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4d1e37e719
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:00007f4d1f1ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4d1e536058 RCX: 00007f4d1e37e719
RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
RBP: 00007f4d1e3f132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4d1e536058 R15: 00007ffca2264bf8
 </TASK>
BUG: Bad page state in process syz.6.730  pfn:7d946
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7d946
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801265c000 0000000000000000
raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 9949, tgid 9945 (syz.6.730), ts 301645913725, free_ts 300618376847
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x303f/0x3190 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
 xdp_test_run_batch net/bpf/test_run.c:305 [inline]
 bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 9926 tgid 9925 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
 discard_slab mm/slub.c:2677 [inline]
 __put_partials+0xeb/0x130 mm/slub.c:3145
 put_cpu_partial+0x17c/0x250 mm/slub.c:3220
 __slab_free+0x2ea/0x3d0 mm/slub.c:4449
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:247 [inline]
 slab_post_alloc_hook mm/slub.c:4085 [inline]
 slab_alloc_node mm/slub.c:4134 [inline]
 kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
 ptlock_alloc+0x20/0x70 mm/memory.c:6918
 ptlock_init include/linux/mm.h:2958 [inline]
 pagetable_pte_ctor include/linux/mm.h:2985 [inline]
 __pte_alloc_one_noprof include/asm-generic/pgalloc.h:73 [inline]
 pte_alloc_one+0xcd/0x5d0 arch/x86/mm/pgtable.c:33
 __pte_alloc+0x79/0x390 mm/memory.c:448
 do_anonymous_page mm/memory.c:4752 [inline]
 do_pte_missing mm/memory.c:3963 [inline]
 handle_pte_fault+0x50b4/0x6800 mm/memory.c:5766
 __handle_mm_fault mm/memory.c:5909 [inline]
 handle_mm_fault+0x1106/0x1bb0 mm/memory.c:6077
 do_user_addr_fault arch/x86/mm/fault.c:1338 [inline]
 handle_page_fault arch/x86/mm/fault.c:1481 [inline]
 exc_page_fault+0x459/0x8c0 arch/x86/mm/fault.c:1539
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
Modules linked in:
CPU: 1 UID: 0 PID: 9949 Comm: syz.6.730 Tainted: G    B              6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x166/0x1b0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:918 [inline]
 free_pages_prepare mm/page_alloc.c:1100 [inline]
 free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
 skb_free_frag include/linux/skbuff.h:3399 [inline]
 skb_free_head net/core/skbuff.c:1096 [inline]
 skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
 skb_release_all net/core/skbuff.c:1190 [inline]
 __kfree_skb net/core/skbuff.c:1204 [inline]
 sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
 kfree_skb_reason include/linux/skbuff.h:1262 [inline]
 __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640
 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741
 __netif_receive_skb_list net/core/dev.c:5808 [inline]
 netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899
 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951
 xdp_recv_frames net/bpf/test_run.c:279 [inline]
 xdp_test_run_batch net/bpf/test_run.c:360 [inline]
 bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4d1e37e719
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:00007f4d1f1ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4d1e536058 RCX: 00007f4d1e37e719
RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
RBP: 00007f4d1e3f132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4d1e536058 R15: 00007ffca2264bf8
 </TASK>
BUG: Bad page state in process syz.6.730  pfn:7d945
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7d945
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801265c000 0000000000000000
raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 9949, tgid 9945 (syz.6.730), ts 301645902295, free_ts 300618376847
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x303f/0x3190 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
 xdp_test_run_batch net/bpf/test_run.c:305 [inline]
 bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 9926 tgid 9925 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
 discard_slab mm/slub.c:2677 [inline]
 __put_partials+0xeb/0x130 mm/slub.c:3145
 put_cpu_partial+0x17c/0x250 mm/slub.c:3220
 __slab_free+0x2ea/0x3d0 mm/slub.c:4449
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:247 [inline]
 slab_post_alloc_hook mm/slub.c:4085 [inline]
 slab_alloc_node mm/slub.c:4134 [inline]
 kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
 ptlock_alloc+0x20/0x70 mm/memory.c:6918
 ptlock_init include/linux/mm.h:2958 [inline]
 pagetable_pte_ctor include/linux/mm.h:2985 [inline]
 __pte_alloc_one_noprof include/asm-generic/pgalloc.h:73 [inline]
 pte_alloc_one+0xcd/0x5d0 arch/x86/mm/pgtable.c:33
 __pte_alloc+0x79/0x390 mm/memory.c:448
 do_anonymous_page mm/memory.c:4752 [inline]
 do_pte_missing mm/memory.c:3963 [inline]
 handle_pte_fault+0x50b4/0x6800 mm/memory.c:5766
 __handle_mm_fault mm/memory.c:5909 [inline]
 handle_mm_fault+0x1106/0x1bb0 mm/memory.c:6077
 do_user_addr_fault arch/x86/mm/fault.c:1338 [inline]
 handle_page_fault arch/x86/mm/fault.c:1481 [inline]
 exc_page_fault+0x459/0x8c0 arch/x86/mm/fault.c:1539
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
Modules linked in:
CPU: 1 UID: 0 PID: 9949 Comm: syz.6.730 Tainted: G    B              6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x166/0x1b0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:918 [inline]
 free_pages_prepare mm/page_alloc.c:1100 [inline]
 free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
 skb_free_frag include/linux/skbuff.h:3399 [inline]
 skb_free_head net/core/skbuff.c:1096 [inline]
 skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
 skb_release_all net/core/skbuff.c:1190 [inline]
 __kfree_skb net/core/skbuff.c:1204 [inline]
 sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
 kfree_skb_reason include/linux/skbuff.h:1262 [inline]
 __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640
 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741
 __netif_receive_skb_list net/core/dev.c:5808 [inline]
 netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899
 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951
 xdp_recv_frames net/bpf/test_run.c:279 [inline]
 xdp_test_run_batch net/bpf/test_run.c:360 [inline]
 bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4d1e37e719
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:00007f4d1f1ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4d1e536058 RCX: 00007f4d1e37e719
RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
RBP: 00007f4d1e3f132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4d1e536058 R15: 00007ffca2264bf8
 </TASK>
BUG: Bad page state in process syz.6.730  pfn:7d944
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7d944
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801265c000 0000000000000000
raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 9949, tgid 9945 (syz.6.730), ts 301645890585, free_ts 300618376847
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x303f/0x3190 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
 xdp_test_run_batch net/bpf/test_run.c:305 [inline]
 bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 9926 tgid 9925 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
 discard_slab mm/slub.c:2677 [inline]
 __put_partials+0xeb/0x130 mm/slub.c:3145
 put_cpu_partial+0x17c/0x250 mm/slub.c:3220
 __slab_free+0x2ea/0x3d0 mm/slub.c:4449
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:247 [inline]
 slab_post_alloc_hook mm/slub.c:4085 [inline]
 slab_alloc_node mm/slub.c:4134 [inline]
 kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
 ptlock_alloc+0x20/0x70 mm/memory.c:6918
 ptlock_init include/linux/mm.h:2958 [inline]
 pagetable_pte_ctor include/linux/mm.h:2985 [inline]
 __pte_alloc_one_noprof include/asm-generic/pgalloc.h:73 [inline]
 pte_alloc_one+0xcd/0x5d0 arch/x86/mm/pgtable.c:33
 __pte_alloc+0x79/0x390 mm/memory.c:448
 do_anonymous_page mm/memory.c:4752 [inline]
 do_pte_missing mm/memory.c:3963 [inline]
 handle_pte_fault+0x50b4/0x6800 mm/memory.c:5766
 __handle_mm_fault mm/memory.c:5909 [inline]
 handle_mm_fault+0x1106/0x1bb0 mm/memory.c:6077
 do_user_addr_fault arch/x86/mm/fault.c:1338 [inline]
 handle_page_fault arch/x86/mm/fault.c:1481 [inline]
 exc_page_fault+0x459/0x8c0 arch/x86/mm/fault.c:1539
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
Modules linked in:
CPU: 1 UID: 0 PID: 9949 Comm: syz.6.730 Tainted: G    B              6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x166/0x1b0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:918 [inline]
 free_pages_prepare mm/page_alloc.c:1100 [inline]
 free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
 skb_free_frag include/linux/skbuff.h:3399 [inline]
 skb_free_head net/core/skbuff.c:1096 [inline]
 skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
 skb_release_all net/core/skbuff.c:1190 [inline]
 __kfree_skb net/core/skbuff.c:1204 [inline]
 sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
 kfree_skb_reason include/linux/skbuff.h:1262 [inline]
 __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640
 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741
 __netif_receive_skb_list net/core/dev.c:5808 [inline]
 netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899
 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951
 xdp_recv_frames net/bpf/test_run.c:279 [inline]
 xdp_test_run_batch net/bpf/test_run.c:360 [inline]
 bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4d1e37e719
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:00007f4d1f1ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4d1e536058 RCX: 00007f4d1e37e719
RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
RBP: 00007f4d1e3f132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4d1e536058 R15: 00007ffca2264bf8
 </TASK>
BUG: Bad page state in process syz.6.730  pfn:478c1
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x8 pfn:0x478c1
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801265c000 0000000000000000
raw: 0000000000000008 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 9949, tgid 9945 (syz.6.730), ts 301645878785, free_ts 301558700554
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x303f/0x3190 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
 xdp_test_run_batch net/bpf/test_run.c:305 [inline]
 bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 5210 tgid 5210 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
 discard_slab mm/slub.c:2677 [inline]
 __put_partials+0xeb/0x130 mm/slub.c:3145
 put_cpu_partial+0x17c/0x250 mm/slub.c:3220
 __slab_free+0x2ea/0x3d0 mm/slub.c:4449
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:247 [inline]
 slab_post_alloc_hook mm/slub.c:4085 [inline]
 slab_alloc_node mm/slub.c:4134 [inline]
 __do_kmalloc_node mm/slub.c:4263 [inline]
 __kmalloc_node_noprof+0x1d2/0x440 mm/slub.c:4270
 __kvmalloc_node_noprof+0x72/0x190 mm/util.c:658
 seq_buf_alloc fs/seq_file.c:38 [inline]
 seq_read_iter+0x20c/0xd70 fs/seq_file.c:210
 new_sync_read fs/read_write.c:488 [inline]
 vfs_read+0x993/0xb70 fs/read_write.c:569
 ksys_read+0x183/0x2b0 fs/read_write.c:712
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 9949 Comm: syz.6.730 Tainted: G    B              6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x166/0x1b0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:918 [inline]
 free_pages_prepare mm/page_alloc.c:1100 [inline]
 free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
 skb_free_frag include/linux/skbuff.h:3399 [inline]
 skb_free_head net/core/skbuff.c:1096 [inline]
 skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
 skb_release_all net/core/skbuff.c:1190 [inline]
 __kfree_skb net/core/skbuff.c:1204 [inline]
 sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
 kfree_skb_reason include/linux/skbuff.h:1262 [inline]
 __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640
 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741
 __netif_receive_skb_list net/core/dev.c:5808 [inline]
 netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899
 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951
 xdp_recv_frames net/bpf/test_run.c:279 [inline]
 xdp_test_run_batch net/bpf/test_run.c:360 [inline]
 bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4d1e37e719
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:00007f4d1f1ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4d1e536058 RCX: 00007f4d1e37e719
RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
RBP: 00007f4d1e3f132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4d1e536058 R15: 00007ffca2264bf8
 </TASK>
BUG: Bad page state in process syz.6.730  pfn:5b429
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x306 pfn:0x5b429
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801265c000 0000000000000000
raw: 0000000000000306 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 9949, tgid 9945 (syz.6.730), ts 301645819365, free_ts 300480567354
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x303f/0x3190 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
 xdp_test_run_batch net/bpf/test_run.c:305 [inline]
 bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 9914 tgid 9914 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_folios+0xf12/0x18d0 mm/page_alloc.c:2686
 folios_put_refs+0x76c/0x860 mm/swap.c:1007
 folio_batch_release include/linux/pagevec.h:101 [inline]
 truncate_inode_pages_range+0x47b/0xfc0 mm/truncate.c:346
 kill_bdev block/bdev.c:91 [inline]
 blkdev_flush_mapping+0x108/0x270 block/bdev.c:671
 blkdev_put_whole block/bdev.c:678 [inline]
 bdev_release+0x460/0x700 block/bdev.c:1103
 blkdev_release+0x15/0x20 block/fops.c:639
 __fput+0x241/0x880 fs/file_table.c:431
 task_work_run+0x251/0x310 kernel/task_work.c:239
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0xa2f/0x28e0 kernel/exit.c:939
 do_group_exit+0x207/0x2c0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 9949 Comm: syz.6.730 Tainted: G    B              6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x166/0x1b0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:918 [inline]
 free_pages_prepare mm/page_alloc.c:1100 [inline]
 free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
 skb_free_frag include/linux/skbuff.h:3399 [inline]
 skb_free_head net/core/skbuff.c:1096 [inline]
 skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
 skb_release_all net/core/skbuff.c:1190 [inline]
 __kfree_skb net/core/skbuff.c:1204 [inline]
 sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
 kfree_skb_reason include/linux/skbuff.h:1262 [inline]
 __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640
 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741
 __netif_receive_skb_list net/core/dev.c:5808 [inline]
 netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899
 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951
 xdp_recv_frames net/bpf/test_run.c:279 [inline]
 xdp_test_run_batch net/bpf/test_run.c:360 [inline]
 bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4d1e37e719
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:00007f4d1f1ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4d1e536058 RCX: 00007f4d1e37e719
RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
RBP: 00007f4d1e3f132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4d1e536058 R15: 00007ffca2264bf8
 </TASK>
BUG: Bad page state in process syz.6.730  pfn:3009f
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x307 pfn:0x3009f
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801265c000 0000000000000000
raw: 0000000000000307 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 9949, tgid 9945 (syz.6.730), ts 301645807645, free_ts 300480577284
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x303f/0x3190 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
 xdp_test_run_batch net/bpf/test_run.c:305 [inline]
 bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 9914 tgid 9914 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_folios+0xf12/0x18d0 mm/page_alloc.c:2686
 folios_put_refs+0x76c/0x860 mm/swap.c:1007
 folio_batch_release include/linux/pagevec.h:101 [inline]
 truncate_inode_pages_range+0x47b/0xfc0 mm/truncate.c:346
 kill_bdev block/bdev.c:91 [inline]
 blkdev_flush_mapping+0x108/0x270 block/bdev.c:671
 blkdev_put_whole block/bdev.c:678 [inline]
 bdev_release+0x460/0x700 block/bdev.c:1103
 blkdev_release+0x15/0x20 block/fops.c:639
 __fput+0x241/0x880 fs/file_table.c:431
 task_work_run+0x251/0x310 kernel/task_work.c:239
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0xa2f/0x28e0 kernel/exit.c:939
 do_group_exit+0x207/0x2c0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 9949 Comm: syz.6.730 Tainted: G    B              6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x166/0x1b0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:918 [inline]
 free_pages_prepare mm/page_alloc.c:1100 [inline]
 free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
 skb_free_frag include/linux/skbuff.h:3399 [inline]
 skb_free_head net/core/skbuff.c:1096 [inline]
 skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
 skb_release_all net/core/skbuff.c:1190 [inline]
 __kfree_skb net/core/skbuff.c:1204 [inline]
 sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
 kfree_skb_reason include/linux/skbuff.h:1262 [inline]
 __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640
 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741
 __netif_receive_skb_list net/core/dev.c:5808 [inline]
 netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899
 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951
 xdp_recv_frames net/bpf/test_run.c:279 [inline]
 xdp_test_run_batch net/bpf/test_run.c:360 [inline]
 bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4d1e37e719
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:00007f4d1f1ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4d1e536058 RCX: 00007f4d1e37e719
RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
RBP: 00007f4d1e3f132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4d1e536058 R15: 00007ffca2264bf8
 </TASK>
BUG: Bad page state in process syz.6.730  pfn:59925
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x308 pfn:0x59925
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801265c000 0000000000000000
raw: 0000000000000308 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 9949, tgid 9945 (syz.6.730), ts 301645795795, free_ts 300480586804
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x303f/0x3190 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
 xdp_test_run_batch net/bpf/test_run.c:305 [inline]
 bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 9914 tgid 9914 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_folios+0xf12/0x18d0 mm/page_alloc.c:2686
 folios_put_refs+0x76c/0x860 mm/swap.c:1007
 folio_batch_release include/linux/pagevec.h:101 [inline]
 truncate_inode_pages_range+0x47b/0xfc0 mm/truncate.c:346
 kill_bdev block/bdev.c:91 [inline]
 blkdev_flush_mapping+0x108/0x270 block/bdev.c:671
 blkdev_put_whole block/bdev.c:678 [inline]
 bdev_release+0x460/0x700 block/bdev.c:1103
 blkdev_release+0x15/0x20 block/fops.c:639
 __fput+0x241/0x880 fs/file_table.c:431
 task_work_run+0x251/0x310 kernel/task_work.c:239
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0xa2f/0x28e0 kernel/exit.c:939
 do_group_exit+0x207/0x2c0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 9949 Comm: syz.6.730 Tainted: G    B              6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x166/0x1b0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:918 [inline]
 free_pages_prepare mm/page_alloc.c:1100 [inline]
 free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
 skb_free_frag include/linux/skbuff.h:3399 [inline]
 skb_free_head net/core/skbuff.c:1096 [inline]
 skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
 skb_release_all net/core/skbuff.c:1190 [inline]
 __kfree_skb net/core/skbuff.c:1204 [inline]
 sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
 kfree_skb_reason include/linux/skbuff.h:1262 [inline]
 __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640
 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741
 __netif_receive_skb_list net/core/dev.c:5808 [inline]
 netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899
 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951
 xdp_recv_frames net/bpf/test_run.c:279 [inline]
 xdp_test_run_batch net/bpf/test_run.c:360 [inline]
 bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4d1e37e719
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:00007f4d1f1ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4d1e536058 RCX: 00007f4d1e37e719
RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
RBP: 00007f4d1e3f132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4d1e536058 R15: 00007ffca2264bf8
 </TASK>
BUG: Bad page state in process syz.6.730  pfn:6bc84
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x309 pfn:0x6bc84
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801265c000 0000000000000000
raw: 0000000000000309 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 9949, tgid 9945 (syz.6.730), ts 301645784035, free_ts 300480597454
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x303f/0x3190 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline]
 xdp_test_run_batch net/bpf/test_run.c:305 [inline]
 bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 9914 tgid 9914 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_folios+0xf12/0x18d0 mm/page_alloc.c:2686
 folios_put_refs+0x76c/0x860 mm/swap.c:1007
 folio_batch_release include/linux/pagevec.h:101 [inline]
 truncate_inode_pages_range+0x47b/0xfc0 mm/truncate.c:346
 kill_bdev block/bdev.c:91 [inline]
 blkdev_flush_mapping+0x108/0x270 block/bdev.c:671
 blkdev_put_whole block/bdev.c:678 [inline]
 bdev_release+0x460/0x700 block/bdev.c:1103
 blkdev_release+0x15/0x20 block/fops.c:639
 __fput+0x241/0x880 fs/file_table.c:431
 task_work_run+0x251/0x310 kernel/task_work.c:239
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0xa2f/0x28e0 kernel/exit.c:939
 do_group_exit+0x207/0x2c0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 9949 Comm: syz.6.730 Tainted: G    B              6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x166/0x1b0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:918 [inline]
 free_pages_prepare mm/page_alloc.c:1100 [inline]
 free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638
 skb_free_frag include/linux/skbuff.h:3399 [inline]
 skb_free_head net/core/skbuff.c:1096 [inline]
 skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125
 skb_release_all net/core/skbuff.c:1190 [inline]
 __kfree_skb net/core/skbuff.c:1204 [inline]
 sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
 kfree_skb_reason include/linux/skbuff.h:1262 [inline]
 __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640
 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741
 __netif_receive_skb_list net/core/dev.c:5808 [inline]
 netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899
 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951
 xdp_recv_frames net/bpf/test_run.c:279 [inline]
 xdp_test_run_batch net/bpf/test_run.c:360 [inline]
 bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317
 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4266
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4d1e37e719
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:00007f4d1f1ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4d1e536058 RCX: 00007f4d1e37e719
RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
RBP: 00007f4d1e3f132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4d1e536058 R15: 00007ffca2264bf8
 </TASK>
BUG: Bad page state in process syz.6.730  pfn:34bb1
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x30a pfn:0x34bb1
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801265c000 0000000000000000
raw: 000000000000030a 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 9949, tgid 9945 (syz.6.730), ts 301645772185, free_ts 300480609134
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537