BUG: Bad page state in process syz.0.0  pfn:40985
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x40985
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff88801e490000 0000000000000000
raw: 0000000000000000 3fffffffffffffff 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 5321, tgid 5320 (syz.0.0), ts 70225019252, free_ts 70215535095
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
 __alloc_pages_noprof mm/page_alloc.c:4774 [inline]
 alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
 page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
 page_pool_alloc_frag_netmem+0x59c/0x940 net/core/page_pool.c:998
 page_pool_alloc_netmem include/net/page_pool/helpers.h:131 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0xcea/0x1720 net/core/skbuff.c:893
 netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
 netif_receive_generic_xdp net/core/dev.c:5298 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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 5317 tgid 5317 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0xe0d/0x10e0 mm/page_alloc.c:2660
 discard_slab mm/slub.c:2707 [inline]
 __put_partials+0x160/0x1c0 mm/slub.c:3176
 put_cpu_partial+0x17c/0x250 mm/slub.c:3251
 __slab_free+0x290/0x380 mm/slub.c:4503
 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:250 [inline]
 slab_post_alloc_hook mm/slub.c:4138 [inline]
 slab_alloc_node mm/slub.c:4187 [inline]
 kmem_cache_alloc_node_noprof+0x1d9/0x380 mm/slub.c:4239
 __alloc_skb+0x1c3/0x440 net/core/skbuff.c:596
 alloc_skb include/linux/skbuff.h:1331 [inline]
 mld_newpack+0x17c/0xc70 net/ipv6/mcast.c:1788
 add_grhead net/ipv6/mcast.c:1899 [inline]
 add_grec+0x1492/0x19a0 net/ipv6/mcast.c:2037
 mld_send_initial_cr+0x228/0x4b0 net/ipv6/mcast.c:2282
 mld_dad_work+0x44/0x500 net/ipv6/mcast.c:2308
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd30 kernel/workqueue.c:3400
 kthread+0x7a9/0x920 kernel/kthread.c:464
Modules linked in:
CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-00624-g2f2d52945852 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:692 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x12af/0x1510 net/core/dev.c:5191
 netif_receive_generic_xdp net/core/dev.c:5304 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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: 0033:0x7fe3b658bc1f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fe3b7392000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe3b67a5fa0 RCX: 00007fe3b658bc1f
RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8
RBP: 00007fe3b660e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe3b67a5fa0 R15: 00007ffd4b2fa3d8
 </TASK>
BUG: Bad page state in process syz.0.0  pfn:40984
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x40984
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff88801e490000 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 5321, tgid 5320 (syz.0.0), ts 70225011629, free_ts 70215535095
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
 __alloc_pages_noprof mm/page_alloc.c:4774 [inline]
 alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
 netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
 netif_receive_generic_xdp net/core/dev.c:5298 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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 5317 tgid 5317 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0xe0d/0x10e0 mm/page_alloc.c:2660
 discard_slab mm/slub.c:2707 [inline]
 __put_partials+0x160/0x1c0 mm/slub.c:3176
 put_cpu_partial+0x17c/0x250 mm/slub.c:3251
 __slab_free+0x290/0x380 mm/slub.c:4503
 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:250 [inline]
 slab_post_alloc_hook mm/slub.c:4138 [inline]
 slab_alloc_node mm/slub.c:4187 [inline]
 kmem_cache_alloc_node_noprof+0x1d9/0x380 mm/slub.c:4239
 __alloc_skb+0x1c3/0x440 net/core/skbuff.c:596
 alloc_skb include/linux/skbuff.h:1331 [inline]
 mld_newpack+0x17c/0xc70 net/ipv6/mcast.c:1788
 add_grhead net/ipv6/mcast.c:1899 [inline]
 add_grec+0x1492/0x19a0 net/ipv6/mcast.c:2037
 mld_send_initial_cr+0x228/0x4b0 net/ipv6/mcast.c:2282
 mld_dad_work+0x44/0x500 net/ipv6/mcast.c:2308
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd30 kernel/workqueue.c:3400
 kthread+0x7a9/0x920 kernel/kthread.c:464
Modules linked in:
CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Tainted: G    B              6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:692 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x12af/0x1510 net/core/dev.c:5191
 netif_receive_generic_xdp net/core/dev.c:5304 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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: 0033:0x7fe3b658bc1f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fe3b7392000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe3b67a5fa0 RCX: 00007fe3b658bc1f
RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8
RBP: 00007fe3b660e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe3b67a5fa0 R15: 00007ffd4b2fa3d8
 </TASK>
BUG: Bad page state in process syz.0.0  pfn:40983
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x40983
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff88801e490000 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 5321, tgid 5320 (syz.0.0), ts 70225004592, free_ts 70215535095
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
 __alloc_pages_noprof mm/page_alloc.c:4774 [inline]
 alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
 netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
 netif_receive_generic_xdp net/core/dev.c:5298 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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 5317 tgid 5317 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0xe0d/0x10e0 mm/page_alloc.c:2660
 discard_slab mm/slub.c:2707 [inline]
 __put_partials+0x160/0x1c0 mm/slub.c:3176
 put_cpu_partial+0x17c/0x250 mm/slub.c:3251
 __slab_free+0x290/0x380 mm/slub.c:4503
 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:250 [inline]
 slab_post_alloc_hook mm/slub.c:4138 [inline]
 slab_alloc_node mm/slub.c:4187 [inline]
 kmem_cache_alloc_node_noprof+0x1d9/0x380 mm/slub.c:4239
 __alloc_skb+0x1c3/0x440 net/core/skbuff.c:596
 alloc_skb include/linux/skbuff.h:1331 [inline]
 mld_newpack+0x17c/0xc70 net/ipv6/mcast.c:1788
 add_grhead net/ipv6/mcast.c:1899 [inline]
 add_grec+0x1492/0x19a0 net/ipv6/mcast.c:2037
 mld_send_initial_cr+0x228/0x4b0 net/ipv6/mcast.c:2282
 mld_dad_work+0x44/0x500 net/ipv6/mcast.c:2308
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd30 kernel/workqueue.c:3400
 kthread+0x7a9/0x920 kernel/kthread.c:464
Modules linked in:
CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Tainted: G    B              6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:692 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x12af/0x1510 net/core/dev.c:5191
 netif_receive_generic_xdp net/core/dev.c:5304 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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: 0033:0x7fe3b658bc1f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fe3b7392000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe3b67a5fa0 RCX: 00007fe3b658bc1f
RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8
RBP: 00007fe3b660e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe3b67a5fa0 R15: 00007ffd4b2fa3d8
 </TASK>
BUG: Bad page state in process syz.0.0  pfn:40982
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x40982
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff88801e490000 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 5321, tgid 5320 (syz.0.0), ts 70224997169, free_ts 70215535095
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
 __alloc_pages_noprof mm/page_alloc.c:4774 [inline]
 alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
 netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
 netif_receive_generic_xdp net/core/dev.c:5298 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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 5317 tgid 5317 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0xe0d/0x10e0 mm/page_alloc.c:2660
 discard_slab mm/slub.c:2707 [inline]
 __put_partials+0x160/0x1c0 mm/slub.c:3176
 put_cpu_partial+0x17c/0x250 mm/slub.c:3251
 __slab_free+0x290/0x380 mm/slub.c:4503
 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:250 [inline]
 slab_post_alloc_hook mm/slub.c:4138 [inline]
 slab_alloc_node mm/slub.c:4187 [inline]
 kmem_cache_alloc_node_noprof+0x1d9/0x380 mm/slub.c:4239
 __alloc_skb+0x1c3/0x440 net/core/skbuff.c:596
 alloc_skb include/linux/skbuff.h:1331 [inline]
 mld_newpack+0x17c/0xc70 net/ipv6/mcast.c:1788
 add_grhead net/ipv6/mcast.c:1899 [inline]
 add_grec+0x1492/0x19a0 net/ipv6/mcast.c:2037
 mld_send_initial_cr+0x228/0x4b0 net/ipv6/mcast.c:2282
 mld_dad_work+0x44/0x500 net/ipv6/mcast.c:2308
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd30 kernel/workqueue.c:3400
 kthread+0x7a9/0x920 kernel/kthread.c:464
Modules linked in:
CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Tainted: G    B              6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:692 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x12af/0x1510 net/core/dev.c:5191
 netif_receive_generic_xdp net/core/dev.c:5304 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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: 0033:0x7fe3b658bc1f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fe3b7392000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe3b67a5fa0 RCX: 00007fe3b658bc1f
RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8
RBP: 00007fe3b660e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe3b67a5fa0 R15: 00007ffd4b2fa3d8
 </TASK>
BUG: Bad page state in process syz.0.0  pfn:40981
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x8 pfn:0x40981
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff88801e490000 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 5321, tgid 5320 (syz.0.0), ts 70224990287, free_ts 70215535095
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
 __alloc_pages_noprof mm/page_alloc.c:4774 [inline]
 alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
 netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
 netif_receive_generic_xdp net/core/dev.c:5298 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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 5317 tgid 5317 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0xe0d/0x10e0 mm/page_alloc.c:2660
 discard_slab mm/slub.c:2707 [inline]
 __put_partials+0x160/0x1c0 mm/slub.c:3176
 put_cpu_partial+0x17c/0x250 mm/slub.c:3251
 __slab_free+0x290/0x380 mm/slub.c:4503
 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:250 [inline]
 slab_post_alloc_hook mm/slub.c:4138 [inline]
 slab_alloc_node mm/slub.c:4187 [inline]
 kmem_cache_alloc_node_noprof+0x1d9/0x380 mm/slub.c:4239
 __alloc_skb+0x1c3/0x440 net/core/skbuff.c:596
 alloc_skb include/linux/skbuff.h:1331 [inline]
 mld_newpack+0x17c/0xc70 net/ipv6/mcast.c:1788
 add_grhead net/ipv6/mcast.c:1899 [inline]
 add_grec+0x1492/0x19a0 net/ipv6/mcast.c:2037
 mld_send_initial_cr+0x228/0x4b0 net/ipv6/mcast.c:2282
 mld_dad_work+0x44/0x500 net/ipv6/mcast.c:2308
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd30 kernel/workqueue.c:3400
 kthread+0x7a9/0x920 kernel/kthread.c:464
Modules linked in:
CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Tainted: G    B              6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:692 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x12af/0x1510 net/core/dev.c:5191
 netif_receive_generic_xdp net/core/dev.c:5304 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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: 0033:0x7fe3b658bc1f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fe3b7392000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe3b67a5fa0 RCX: 00007fe3b658bc1f
RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8
RBP: 00007fe3b660e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe3b67a5fa0 R15: 00007ffd4b2fa3d8
 </TASK>
BUG: Bad page state in process syz.0.0  pfn:40980
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888040980000 pfn:0x40980
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff88801e490000 0000000000000000
raw: ffff888040980000 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 5321, tgid 5320 (syz.0.0), ts 70224983480, free_ts 70215535095
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
 __alloc_pages_noprof mm/page_alloc.c:4774 [inline]
 alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
 netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
 netif_receive_generic_xdp net/core/dev.c:5298 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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 5317 tgid 5317 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0xe0d/0x10e0 mm/page_alloc.c:2660
 discard_slab mm/slub.c:2707 [inline]
 __put_partials+0x160/0x1c0 mm/slub.c:3176
 put_cpu_partial+0x17c/0x250 mm/slub.c:3251
 __slab_free+0x290/0x380 mm/slub.c:4503
 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:250 [inline]
 slab_post_alloc_hook mm/slub.c:4138 [inline]
 slab_alloc_node mm/slub.c:4187 [inline]
 kmem_cache_alloc_node_noprof+0x1d9/0x380 mm/slub.c:4239
 __alloc_skb+0x1c3/0x440 net/core/skbuff.c:596
 alloc_skb include/linux/skbuff.h:1331 [inline]
 mld_newpack+0x17c/0xc70 net/ipv6/mcast.c:1788
 add_grhead net/ipv6/mcast.c:1899 [inline]
 add_grec+0x1492/0x19a0 net/ipv6/mcast.c:2037
 mld_send_initial_cr+0x228/0x4b0 net/ipv6/mcast.c:2282
 mld_dad_work+0x44/0x500 net/ipv6/mcast.c:2308
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd30 kernel/workqueue.c:3400
 kthread+0x7a9/0x920 kernel/kthread.c:464
Modules linked in:
CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Tainted: G    B              6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:692 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x12af/0x1510 net/core/dev.c:5191
 netif_receive_generic_xdp net/core/dev.c:5304 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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: 0033:0x7fe3b658bc1f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fe3b7392000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe3b67a5fa0 RCX: 00007fe3b658bc1f
RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8
RBP: 00007fe3b660e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe3b67a5fa0 R15: 00007ffd4b2fa3d8
 </TASK>
BUG: Bad page state in process syz.0.0  pfn:36d6f
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x36d6f
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff88801e490000 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 5321, tgid 5320 (syz.0.0), ts 70224976581, free_ts 70215635013
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
 __alloc_pages_noprof mm/page_alloc.c:4774 [inline]
 alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
 netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
 netif_receive_generic_xdp net/core/dev.c:5298 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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 5317 tgid 5317 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0xe0d/0x10e0 mm/page_alloc.c:2660
 __slab_free+0x2c2/0x380 mm/slub.c:4544
 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:250 [inline]
 slab_post_alloc_hook mm/slub.c:4138 [inline]
 slab_alloc_node mm/slub.c:4187 [inline]
 kmem_cache_alloc_node_noprof+0x1d9/0x380 mm/slub.c:4239
 __alloc_skb+0x1c3/0x440 net/core/skbuff.c:596
 alloc_skb include/linux/skbuff.h:1331 [inline]
 mld_newpack+0x17c/0xc70 net/ipv6/mcast.c:1788
 add_grhead net/ipv6/mcast.c:1899 [inline]
 add_grec+0x1492/0x19a0 net/ipv6/mcast.c:2037
 mld_send_initial_cr+0x228/0x4b0 net/ipv6/mcast.c:2282
 mld_dad_work+0x44/0x500 net/ipv6/mcast.c:2308
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd30 kernel/workqueue.c:3400
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Modules linked in:
CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Tainted: G    B              6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:692 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x12af/0x1510 net/core/dev.c:5191
 netif_receive_generic_xdp net/core/dev.c:5304 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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: 0033:0x7fe3b658bc1f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fe3b7392000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe3b67a5fa0 RCX: 00007fe3b658bc1f
RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8
RBP: 00007fe3b660e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe3b67a5fa0 R15: 00007ffd4b2fa3d8
 </TASK>
BUG: Bad page state in process syz.0.0  pfn:36d6e
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x36d6e
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff88801e490000 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 5321, tgid 5320 (syz.0.0), ts 70224969609, free_ts 70215635013
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
 __alloc_pages_noprof mm/page_alloc.c:4774 [inline]
 alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
 netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
 netif_receive_generic_xdp net/core/dev.c:5298 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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 5317 tgid 5317 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0xe0d/0x10e0 mm/page_alloc.c:2660
 __slab_free+0x2c2/0x380 mm/slub.c:4544
 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:250 [inline]
 slab_post_alloc_hook mm/slub.c:4138 [inline]
 slab_alloc_node mm/slub.c:4187 [inline]
 kmem_cache_alloc_node_noprof+0x1d9/0x380 mm/slub.c:4239
 __alloc_skb+0x1c3/0x440 net/core/skbuff.c:596
 alloc_skb include/linux/skbuff.h:1331 [inline]
 mld_newpack+0x17c/0xc70 net/ipv6/mcast.c:1788
 add_grhead net/ipv6/mcast.c:1899 [inline]
 add_grec+0x1492/0x19a0 net/ipv6/mcast.c:2037
 mld_send_initial_cr+0x228/0x4b0 net/ipv6/mcast.c:2282
 mld_dad_work+0x44/0x500 net/ipv6/mcast.c:2308
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd30 kernel/workqueue.c:3400
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Modules linked in:
CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Tainted: G    B              6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:692 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x12af/0x1510 net/core/dev.c:5191
 netif_receive_generic_xdp net/core/dev.c:5304 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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: 0033:0x7fe3b658bc1f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fe3b7392000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe3b67a5fa0 RCX: 00007fe3b658bc1f
RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8
RBP: 00007fe3b660e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe3b67a5fa0 R15: 00007ffd4b2fa3d8
 </TASK>
BUG: Bad page state in process syz.0.0  pfn:36d6d
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x36d6d
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff88801e490000 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 5321, tgid 5320 (syz.0.0), ts 70224962364, free_ts 70215635013
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
 __alloc_pages_noprof mm/page_alloc.c:4774 [inline]
 alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
 netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
 netif_receive_generic_xdp net/core/dev.c:5298 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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 5317 tgid 5317 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0xe0d/0x10e0 mm/page_alloc.c:2660
 __slab_free+0x2c2/0x380 mm/slub.c:4544
 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:250 [inline]
 slab_post_alloc_hook mm/slub.c:4138 [inline]
 slab_alloc_node mm/slub.c:4187 [inline]
 kmem_cache_alloc_node_noprof+0x1d9/0x380 mm/slub.c:4239
 __alloc_skb+0x1c3/0x440 net/core/skbuff.c:596
 alloc_skb include/linux/skbuff.h:1331 [inline]
 mld_newpack+0x17c/0xc70 net/ipv6/mcast.c:1788
 add_grhead net/ipv6/mcast.c:1899 [inline]
 add_grec+0x1492/0x19a0 net/ipv6/mcast.c:2037
 mld_send_initial_cr+0x228/0x4b0 net/ipv6/mcast.c:2282
 mld_dad_work+0x44/0x500 net/ipv6/mcast.c:2308
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd30 kernel/workqueue.c:3400
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Modules linked in:
CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Tainted: G    B              6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:692 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x12af/0x1510 net/core/dev.c:5191
 netif_receive_generic_xdp net/core/dev.c:5304 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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: 0033:0x7fe3b658bc1f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fe3b7392000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe3b67a5fa0 RCX: 00007fe3b658bc1f
RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8
RBP: 00007fe3b660e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe3b67a5fa0 R15: 00007ffd4b2fa3d8
 </TASK>
BUG: Bad page state in process syz.0.0  pfn:36d6c
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x36d6c
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff88801e490000 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 5321, tgid 5320 (syz.0.0), ts 70224954704, free_ts 70215635013
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
 __alloc_pages_noprof mm/page_alloc.c:4774 [inline]
 alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
 netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
 netif_receive_generic_xdp net/core/dev.c:5298 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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 5317 tgid 5317 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0xe0d/0x10e0 mm/page_alloc.c:2660
 __slab_free+0x2c2/0x380 mm/slub.c:4544
 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:250 [inline]
 slab_post_alloc_hook mm/slub.c:4138 [inline]
 slab_alloc_node mm/slub.c:4187 [inline]
 kmem_cache_alloc_node_noprof+0x1d9/0x380 mm/slub.c:4239
 __alloc_skb+0x1c3/0x440 net/core/skbuff.c:596
 alloc_skb include/linux/skbuff.h:1331 [inline]
 mld_newpack+0x17c/0xc70 net/ipv6/mcast.c:1788
 add_grhead net/ipv6/mcast.c:1899 [inline]
 add_grec+0x1492/0x19a0 net/ipv6/mcast.c:2037
 mld_send_initial_cr+0x228/0x4b0 net/ipv6/mcast.c:2282
 mld_dad_work+0x44/0x500 net/ipv6/mcast.c:2308
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd30 kernel/workqueue.c:3400
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Modules linked in:
CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Tainted: G    B              6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:692 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x12af/0x1510 net/core/dev.c:5191
 netif_receive_generic_xdp net/core/dev.c:5304 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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: 0033:0x7fe3b658bc1f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fe3b7392000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe3b67a5fa0 RCX: 00007fe3b658bc1f
RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8
RBP: 00007fe3b660e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe3b67a5fa0 R15: 00007ffd4b2fa3d8
 </TASK>
BUG: Bad page state in process syz.0.0  pfn:36d6b
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x36d6b
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff88801e490000 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 5321, tgid 5320 (syz.0.0), ts 70224947515, free_ts 70215635013
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
 __alloc_pages_noprof mm/page_alloc.c:4774 [inline]
 alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
 netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
 netif_receive_generic_xdp net/core/dev.c:5298 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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 5317 tgid 5317 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0xe0d/0x10e0 mm/page_alloc.c:2660
 __slab_free+0x2c2/0x380 mm/slub.c:4544
 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:250 [inline]
 slab_post_alloc_hook mm/slub.c:4138 [inline]
 slab_alloc_node mm/slub.c:4187 [inline]
 kmem_cache_alloc_node_noprof+0x1d9/0x380 mm/slub.c:4239
 __alloc_skb+0x1c3/0x440 net/core/skbuff.c:596
 alloc_skb include/linux/skbuff.h:1331 [inline]
 mld_newpack+0x17c/0xc70 net/ipv6/mcast.c:1788
 add_grhead net/ipv6/mcast.c:1899 [inline]
 add_grec+0x1492/0x19a0 net/ipv6/mcast.c:2037
 mld_send_initial_cr+0x228/0x4b0 net/ipv6/mcast.c:2282
 mld_dad_work+0x44/0x500 net/ipv6/mcast.c:2308
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd30 kernel/workqueue.c:3400
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Modules linked in:
CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Tainted: G    B              6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:692 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x12af/0x1510 net/core/dev.c:5191
 netif_receive_generic_xdp net/core/dev.c:5304 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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: 0033:0x7fe3b658bc1f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fe3b7392000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe3b67a5fa0 RCX: 00007fe3b658bc1f
RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8
RBP: 00007fe3b660e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe3b67a5fa0 R15: 00007ffd4b2fa3d8
 </TASK>
BUG: Bad page state in process syz.0.0  pfn:36d6a
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x36d6a
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff88801e490000 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 5321, tgid 5320 (syz.0.0), ts 70224940144, free_ts 70215635013
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
 __alloc_pages_noprof mm/page_alloc.c:4774 [inline]
 alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
 netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
 netif_receive_generic_xdp net/core/dev.c:5298 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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 5317 tgid 5317 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0xe0d/0x10e0 mm/page_alloc.c:2660
 __slab_free+0x2c2/0x380 mm/slub.c:4544
 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:250 [inline]
 slab_post_alloc_hook mm/slub.c:4138 [inline]
 slab_alloc_node mm/slub.c:4187 [inline]
 kmem_cache_alloc_node_noprof+0x1d9/0x380 mm/slub.c:4239
 __alloc_skb+0x1c3/0x440 net/core/skbuff.c:596
 alloc_skb include/linux/skbuff.h:1331 [inline]
 mld_newpack+0x17c/0xc70 net/ipv6/mcast.c:1788
 add_grhead net/ipv6/mcast.c:1899 [inline]
 add_grec+0x1492/0x19a0 net/ipv6/mcast.c:2037
 mld_send_initial_cr+0x228/0x4b0 net/ipv6/mcast.c:2282
 mld_dad_work+0x44/0x500 net/ipv6/mcast.c:2308
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd30 kernel/workqueue.c:3400
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Modules linked in:
CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Tainted: G    B              6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:692 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x12af/0x1510 net/core/dev.c:5191
 netif_receive_generic_xdp net/core/dev.c:5304 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5366
 tun_get_user+0x2a4b/0x4860 drivers/net/tun.c:1929
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:684
 ksys_write+0x18f/0x2b0 fs/read_write.c:736
 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: 0033:0x7fe3b658bc1f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fe3b7392000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe3b67a5fa0 RCX: 00007fe3b658bc1f
RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8
RBP: 00007fe3b660e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe3b67a5fa0 R15: 00007ffd4b2fa3d8
 </TASK>