BUG: Bad page state in process syz.8.3409  pfn:33b0c
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888000000000 pfn:0x33b0c
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ce3000 0000000000000000
raw: ffff888000000000 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 664, tgid 661 (syz.8.3409), ts 272050009670, free_ts 272002547334
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:567
 page_pool_alloc_netmems net/core/page_pool.c:618 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:605
 page_pool_alloc_frag_netmem+0x219/0x9c0 net/core/page_pool.c:1038
 page_pool_alloc_netmem include/net/page_pool/helpers.h:131 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x584/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5329 [inline]
 netif_receive_generic_xdp net/core/dev.c:5370 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 656 tgid 655 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 mon_free_buff drivers/usb/mon/mon_bin.c:1359 [inline]
 mon_bin_ioctl+0x5b8/0xcd0 drivers/usb/mon/mon_bin.c:1050
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl fs/ioctl.c:584 [inline]
 __x64_sys_ioctl+0x18b/0x210 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 664 Comm: syz.8.3409 Not tainted syzkaller #0 PREEMPT(full) 
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+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5260
 netif_receive_generic_xdp net/core/dev.c:5376 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff81bb8d69f
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:00007ff81cab9000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff81bdb6090 RCX: 00007ff81bb8d69f
RDX: 000000000000fed7 RSI: 00002000000002c0 RDI: 00000000000000c8
RBP: 00007ff81bc11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fed7 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ff81bdb6128 R14: 00007ff81bdb6090 R15: 00007ffe9390c558
 </TASK>
BUG: Bad page state in process syz.8.3409  pfn:33905
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x33905
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ce3000 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 664, tgid 661 (syz.8.3409), ts 272050001972, free_ts 272002549658
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:567
 page_pool_alloc_netmems net/core/page_pool.c:618 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:605
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5329 [inline]
 netif_receive_generic_xdp net/core/dev.c:5370 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 656 tgid 655 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 mon_free_buff drivers/usb/mon/mon_bin.c:1359 [inline]
 mon_bin_ioctl+0x5b8/0xcd0 drivers/usb/mon/mon_bin.c:1050
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl fs/ioctl.c:584 [inline]
 __x64_sys_ioctl+0x18b/0x210 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 664 Comm: syz.8.3409 Tainted: G    B               syzkaller #0 PREEMPT(full) 
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+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5260
 netif_receive_generic_xdp net/core/dev.c:5376 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff81bb8d69f
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:00007ff81cab9000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff81bdb6090 RCX: 00007ff81bb8d69f
RDX: 000000000000fed7 RSI: 00002000000002c0 RDI: 00000000000000c8
RBP: 00007ff81bc11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fed7 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ff81bdb6128 R14: 00007ff81bdb6090 R15: 00007ffe9390c558
 </TASK>
BUG: Bad page state in process syz.8.3409  pfn:57670
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xb pfn:0x57670
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ce3000 0000000000000000
raw: 000000000000000b 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 664, tgid 661 (syz.8.3409), ts 272049995226, free_ts 272002553302
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:567
 page_pool_alloc_netmems net/core/page_pool.c:618 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:605
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5329 [inline]
 netif_receive_generic_xdp net/core/dev.c:5370 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 656 tgid 655 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 mon_free_buff drivers/usb/mon/mon_bin.c:1359 [inline]
 mon_bin_ioctl+0x5b8/0xcd0 drivers/usb/mon/mon_bin.c:1050
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl fs/ioctl.c:584 [inline]
 __x64_sys_ioctl+0x18b/0x210 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 664 Comm: syz.8.3409 Tainted: G    B               syzkaller #0 PREEMPT(full) 
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+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5260
 netif_receive_generic_xdp net/core/dev.c:5376 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff81bb8d69f
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:00007ff81cab9000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff81bdb6090 RCX: 00007ff81bb8d69f
RDX: 000000000000fed7 RSI: 00002000000002c0 RDI: 00000000000000c8
RBP: 00007ff81bc11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fed7 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ff81bdb6128 R14: 00007ff81bdb6090 R15: 00007ffe9390c558
 </TASK>
BUG: Bad page state in process syz.8.3409  pfn:61bbf
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x9 pfn:0x61bbf
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ce3000 0000000000000000
raw: 0000000000000009 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 664, tgid 661 (syz.8.3409), ts 272049988341, free_ts 272002556267
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:567
 page_pool_alloc_netmems net/core/page_pool.c:618 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:605
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5329 [inline]
 netif_receive_generic_xdp net/core/dev.c:5370 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 656 tgid 655 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 mon_free_buff drivers/usb/mon/mon_bin.c:1359 [inline]
 mon_bin_ioctl+0x5b8/0xcd0 drivers/usb/mon/mon_bin.c:1050
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl fs/ioctl.c:584 [inline]
 __x64_sys_ioctl+0x18b/0x210 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 664 Comm: syz.8.3409 Tainted: G    B               syzkaller #0 PREEMPT(full) 
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+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5260
 netif_receive_generic_xdp net/core/dev.c:5376 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff81bb8d69f
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:00007ff81cab9000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff81bdb6090 RCX: 00007ff81bb8d69f
RDX: 000000000000fed7 RSI: 00002000000002c0 RDI: 00000000000000c8
RBP: 00007ff81bc11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fed7 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ff81bdb6128 R14: 00007ff81bdb6090 R15: 00007ffe9390c558
 </TASK>
BUG: Bad page state in process syz.8.3409  pfn:3fa7b
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x2d6e pfn:0x3fa7b
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ce3000 0000000000000000
raw: 0000000000002d6e 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 664, tgid 661 (syz.8.3409), ts 272049979897, free_ts 272002558884
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:567
 page_pool_alloc_netmems net/core/page_pool.c:618 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:605
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5329 [inline]
 netif_receive_generic_xdp net/core/dev.c:5370 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 656 tgid 655 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 mon_free_buff drivers/usb/mon/mon_bin.c:1359 [inline]
 mon_bin_ioctl+0x5b8/0xcd0 drivers/usb/mon/mon_bin.c:1050
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl fs/ioctl.c:584 [inline]
 __x64_sys_ioctl+0x18b/0x210 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 664 Comm: syz.8.3409 Tainted: G    B               syzkaller #0 PREEMPT(full) 
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+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5260
 netif_receive_generic_xdp net/core/dev.c:5376 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff81bb8d69f
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:00007ff81cab9000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff81bdb6090 RCX: 00007ff81bb8d69f
RDX: 000000000000fed7 RSI: 00002000000002c0 RDI: 00000000000000c8
RBP: 00007ff81bc11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fed7 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ff81bdb6128 R14: 00007ff81bdb6090 R15: 00007ffe9390c558
 </TASK>
BUG: Bad page state in process syz.8.3409  pfn:54801
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffffffffffffffff pfn:0x54801
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ce3000 0000000000000000
raw: ffffffffffffffff 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 664, tgid 661 (syz.8.3409), ts 272049972397, free_ts 272002561327
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:567
 page_pool_alloc_netmems net/core/page_pool.c:618 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:605
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5329 [inline]
 netif_receive_generic_xdp net/core/dev.c:5370 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 656 tgid 655 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 mon_free_buff drivers/usb/mon/mon_bin.c:1359 [inline]
 mon_bin_ioctl+0x5b8/0xcd0 drivers/usb/mon/mon_bin.c:1050
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl fs/ioctl.c:584 [inline]
 __x64_sys_ioctl+0x18b/0x210 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 664 Comm: syz.8.3409 Tainted: G    B               syzkaller #0 PREEMPT(full) 
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+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5260
 netif_receive_generic_xdp net/core/dev.c:5376 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff81bb8d69f
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:00007ff81cab9000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff81bdb6090 RCX: 00007ff81bb8d69f
RDX: 000000000000fed7 RSI: 00002000000002c0 RDI: 00000000000000c8
RBP: 00007ff81bc11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fed7 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ff81bdb6128 R14: 00007ff81bdb6090 R15: 00007ffe9390c558
 </TASK>
BUG: Bad page state in process syz.8.3409  pfn:3ae77
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffffffffffffffff pfn:0x3ae77
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ce3000 0000000000000000
raw: ffffffffffffffff 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 664, tgid 661 (syz.8.3409), ts 272049964689, free_ts 272002566847
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:567
 page_pool_alloc_netmems net/core/page_pool.c:618 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:605
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5329 [inline]
 netif_receive_generic_xdp net/core/dev.c:5370 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 656 tgid 655 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 mon_free_buff drivers/usb/mon/mon_bin.c:1359 [inline]
 mon_bin_ioctl+0x5b8/0xcd0 drivers/usb/mon/mon_bin.c:1050
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl fs/ioctl.c:584 [inline]
 __x64_sys_ioctl+0x18b/0x210 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 664 Comm: syz.8.3409 Tainted: G    B               syzkaller #0 PREEMPT(full) 
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+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5260
 netif_receive_generic_xdp net/core/dev.c:5376 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff81bb8d69f
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:00007ff81cab9000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff81bdb6090 RCX: 00007ff81bb8d69f
RDX: 000000000000fed7 RSI: 00002000000002c0 RDI: 00000000000000c8
RBP: 00007ff81bc11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fed7 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ff81bdb6128 R14: 00007ff81bdb6090 R15: 00007ffe9390c558
 </TASK>
BUG: Bad page state in process syz.8.3409  pfn:2d406
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2d406
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ce3000 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 664, tgid 661 (syz.8.3409), ts 272049957454, free_ts 272002569340
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:567
 page_pool_alloc_netmems net/core/page_pool.c:618 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:605
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5329 [inline]
 netif_receive_generic_xdp net/core/dev.c:5370 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 656 tgid 655 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 mon_free_buff drivers/usb/mon/mon_bin.c:1359 [inline]
 mon_bin_ioctl+0x5b8/0xcd0 drivers/usb/mon/mon_bin.c:1050
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl fs/ioctl.c:584 [inline]
 __x64_sys_ioctl+0x18b/0x210 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 664 Comm: syz.8.3409 Tainted: G    B               syzkaller #0 PREEMPT(full) 
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+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5260
 netif_receive_generic_xdp net/core/dev.c:5376 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff81bb8d69f
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:00007ff81cab9000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff81bdb6090 RCX: 00007ff81bb8d69f
RDX: 000000000000fed7 RSI: 00002000000002c0 RDI: 00000000000000c8
RBP: 00007ff81bc11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fed7 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ff81bdb6128 R14: 00007ff81bdb6090 R15: 00007ffe9390c558
 </TASK>
BUG: Bad page state in process syz.8.3409  pfn:4c729
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffffffffffffffff pfn:0x4c729
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ce3000 0000000000000000
raw: ffffffffffffffff 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 664, tgid 661 (syz.8.3409), ts 272049949906, free_ts 272002572513
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:567
 page_pool_alloc_netmems net/core/page_pool.c:618 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:605
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5329 [inline]
 netif_receive_generic_xdp net/core/dev.c:5370 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 656 tgid 655 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 mon_free_buff drivers/usb/mon/mon_bin.c:1359 [inline]
 mon_bin_ioctl+0x5b8/0xcd0 drivers/usb/mon/mon_bin.c:1050
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl fs/ioctl.c:584 [inline]
 __x64_sys_ioctl+0x18b/0x210 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 664 Comm: syz.8.3409 Tainted: G    B               syzkaller #0 PREEMPT(full) 
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+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5260
 netif_receive_generic_xdp net/core/dev.c:5376 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff81bb8d69f
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:00007ff81cab9000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff81bdb6090 RCX: 00007ff81bb8d69f
RDX: 000000000000fed7 RSI: 00002000000002c0 RDI: 00000000000000c8
RBP: 00007ff81bc11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fed7 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ff81bdb6128 R14: 00007ff81bdb6090 R15: 00007ffe9390c558
 </TASK>
BUG: Bad page state in process syz.8.3409  pfn:4a15f
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4a15f
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ce3000 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 664, tgid 661 (syz.8.3409), ts 272049941935, free_ts 272002575053
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:567
 page_pool_alloc_netmems net/core/page_pool.c:618 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:605
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5329 [inline]
 netif_receive_generic_xdp net/core/dev.c:5370 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 656 tgid 655 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 mon_free_buff drivers/usb/mon/mon_bin.c:1359 [inline]
 mon_bin_ioctl+0x5b8/0xcd0 drivers/usb/mon/mon_bin.c:1050
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl fs/ioctl.c:584 [inline]
 __x64_sys_ioctl+0x18b/0x210 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 664 Comm: syz.8.3409 Tainted: G    B               syzkaller #0 PREEMPT(full) 
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+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5260
 netif_receive_generic_xdp net/core/dev.c:5376 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff81bb8d69f
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:00007ff81cab9000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff81bdb6090 RCX: 00007ff81bb8d69f
RDX: 000000000000fed7 RSI: 00002000000002c0 RDI: 00000000000000c8
RBP: 00007ff81bc11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fed7 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ff81bdb6128 R14: 00007ff81bdb6090 R15: 00007ffe9390c558
 </TASK>
BUG: Bad page state in process syz.8.3409  pfn:324c3
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x324c3
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ce3000 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 664, tgid 661 (syz.8.3409), ts 272049934098, free_ts 272002577890
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:567
 page_pool_alloc_netmems net/core/page_pool.c:618 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:605
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5329 [inline]
 netif_receive_generic_xdp net/core/dev.c:5370 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 656 tgid 655 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 mon_free_buff drivers/usb/mon/mon_bin.c:1359 [inline]
 mon_bin_ioctl+0x5b8/0xcd0 drivers/usb/mon/mon_bin.c:1050
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl fs/ioctl.c:584 [inline]
 __x64_sys_ioctl+0x18b/0x210 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 664 Comm: syz.8.3409 Tainted: G    B               syzkaller #0 PREEMPT(full) 
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+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5260
 netif_receive_generic_xdp net/core/dev.c:5376 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff81bb8d69f
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:00007ff81cab9000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff81bdb6090 RCX: 00007ff81bb8d69f
RDX: 000000000000fed7 RSI: 00002000000002c0 RDI: 00000000000000c8
RBP: 00007ff81bc11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fed7 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ff81bdb6128 R14: 00007ff81bdb6090 R15: 00007ffe9390c558
 </TASK>
BUG: Bad page state in process syz.8.3409  pfn:5e3a6
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xad7 pfn:0x5e3a6
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ce3000 0000000000000000
raw: 0000000000000ad7 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 664, tgid 661 (syz.8.3409), ts 272049926378, free_ts 272002580970
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:567
 page_pool_alloc_netmems net/core/page_pool.c:618 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:605
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5329 [inline]
 netif_receive_generic_xdp net/core/dev.c:5370 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 656 tgid 655 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 mon_free_buff drivers/usb/mon/mon_bin.c:1359 [inline]
 mon_bin_ioctl+0x5b8/0xcd0 drivers/usb/mon/mon_bin.c:1050
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl fs/ioctl.c:584 [inline]
 __x64_sys_ioctl+0x18b/0x210 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 1 UID: 0 PID: 664 Comm: syz.8.3409 Tainted: G    B               syzkaller #0 PREEMPT(full) 
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+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5260
 netif_receive_generic_xdp net/core/dev.c:5376 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5438
 tun_get_user+0x1d43/0x3ce0 drivers/net/tun.c:1872
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff81bb8d69f
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:00007ff81cab9000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff81bdb6090 RCX: 00007ff81bb8d69f
RDX: 000000000000fed7 RSI: 00002000000002c0 RDI: 00000000000000c8
RBP: 00007ff81bc11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fed7 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ff81bdb6128 R14: 00007ff81bdb6090 R15: 00007ffe9390c558
 </TASK>