BUG: Bad page state in process syz.2.4118 pfn:6ab84
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88804ec6d600 pfn:0x6ab84
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880201c5000 0000000000000000
raw: ffff88804ec6d600 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 19253, tgid 19252 (syz.2.4118), ts 673345558316, free_ts 673331712868
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1af/0x220 mm/page_alloc.c:1845
prep_new_page mm/page_alloc.c:1853 [inline]
get_page_from_freelist+0x10a3/0x3a30 mm/page_alloc.c:3879
__alloc_frozen_pages_noprof+0x25f/0x2470 mm/page_alloc.c:5178
__alloc_pages_noprof mm/page_alloc.c:5212 [inline]
alloc_pages_bulk_noprof+0x77a/0x1410 mm/page_alloc.c:5132
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x1c7/0xca0 net/core/page_pool.c:612
page_pool_alloc_netmems net/core/page_pool.c:663 [inline]
page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:650
page_pool_alloc_frag_netmem+0x219/0x9c0 net/core/page_pool.c:1072
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:952
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:986
netif_skb_check_for_xdp net/core/dev.c:5429 [inline]
netif_receive_generic_xdp net/core/dev.c:5470 [inline]
do_xdp_generic+0x530/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
page last free pid 19239 tgid 19238 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1394 [inline]
__free_frozen_pages+0x7df/0x1160 mm/page_alloc.c:2901
pagetable_free include/linux/mm.h:3004 [inline]
pagetable_dtor_free include/linux/mm.h:3107 [inline]
__tlb_remove_table include/asm-generic/tlb.h:220 [inline]
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x121/0x320 mm/mmu_gather.c:290
rcu_do_batch kernel/rcu/tree.c:2605 [inline]
rcu_core+0x79c/0x1530 kernel/rcu/tree.c:2861
handle_softirqs+0x219/0x8e0 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:723
irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1052
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
Modules linked in:
CPU: 2 UID: 0 PID: 19253 Comm: syz.2.4118 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:
__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:649
free_page_is_bad mm/page_alloc.c:1082 [inline]
free_page_is_bad mm/page_alloc.c:1076 [inline]
free_pages_prepare mm/page_alloc.c:1386 [inline]
__free_frozen_pages+0x845/0x1160 mm/page_alloc.c:2901
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:4191 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4215 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4237 [inline]
bpf_xdp_adjust_tail+0x887/0xcb0 net/core/filter.c:4230
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:721 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x61f/0x1570 net/core/dev.c:5360
netif_receive_generic_xdp net/core/dev.c:5476 [inline]
do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f15579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5406520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 00000000800002c0
RDX: 000000000000fed7 RSI: 00000000f73a6ff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.4118 pfn:48663
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x48663
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880201c5000 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 19253, tgid 19252 (syz.2.4118), ts 673345545197, free_ts 673331745442
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1af/0x220 mm/page_alloc.c:1845
prep_new_page mm/page_alloc.c:1853 [inline]
get_page_from_freelist+0x10a3/0x3a30 mm/page_alloc.c:3879
__alloc_frozen_pages_noprof+0x25f/0x2470 mm/page_alloc.c:5178
__alloc_pages_noprof mm/page_alloc.c:5212 [inline]
alloc_pages_bulk_noprof+0x77a/0x1410 mm/page_alloc.c:5132
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x1c7/0xca0 net/core/page_pool.c:612
page_pool_alloc_netmems net/core/page_pool.c:663 [inline]
page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:650
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:952
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:986
netif_skb_check_for_xdp net/core/dev.c:5429 [inline]
netif_receive_generic_xdp net/core/dev.c:5470 [inline]
do_xdp_generic+0x530/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
page last free pid 19239 tgid 19238 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1394 [inline]
__free_frozen_pages+0x7df/0x1160 mm/page_alloc.c:2901
pagetable_free include/linux/mm.h:3004 [inline]
pagetable_dtor_free include/linux/mm.h:3107 [inline]
__tlb_remove_table include/asm-generic/tlb.h:220 [inline]
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x121/0x320 mm/mmu_gather.c:290
rcu_do_batch kernel/rcu/tree.c:2605 [inline]
rcu_core+0x79c/0x1530 kernel/rcu/tree.c:2861
handle_softirqs+0x219/0x8e0 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:723
irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1052
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
Modules linked in:
CPU: 2 UID: 0 PID: 19253 Comm: syz.2.4118 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:
__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:649
free_page_is_bad mm/page_alloc.c:1082 [inline]
free_page_is_bad mm/page_alloc.c:1076 [inline]
free_pages_prepare mm/page_alloc.c:1386 [inline]
__free_frozen_pages+0x845/0x1160 mm/page_alloc.c:2901
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:4191 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4215 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4237 [inline]
bpf_xdp_adjust_tail+0x887/0xcb0 net/core/filter.c:4230
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:721 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x61f/0x1570 net/core/dev.c:5360
netif_receive_generic_xdp net/core/dev.c:5476 [inline]
do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f15579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5406520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 00000000800002c0
RDX: 000000000000fed7 RSI: 00000000f73a6ff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.4118 pfn:5b515
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x74c5 pfn:0x5b515
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880201c5000 0000000000000000
raw: 00000000000074c5 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 19253, tgid 19252 (syz.2.4118), ts 673345533486, free_ts 673331760852
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1af/0x220 mm/page_alloc.c:1845
prep_new_page mm/page_alloc.c:1853 [inline]
get_page_from_freelist+0x10a3/0x3a30 mm/page_alloc.c:3879
__alloc_frozen_pages_noprof+0x25f/0x2470 mm/page_alloc.c:5178
__alloc_pages_noprof mm/page_alloc.c:5212 [inline]
alloc_pages_bulk_noprof+0x77a/0x1410 mm/page_alloc.c:5132
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x1c7/0xca0 net/core/page_pool.c:612
page_pool_alloc_netmems net/core/page_pool.c:663 [inline]
page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:650
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:952
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:986
netif_skb_check_for_xdp net/core/dev.c:5429 [inline]
netif_receive_generic_xdp net/core/dev.c:5470 [inline]
do_xdp_generic+0x530/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
page last free pid 19239 tgid 19238 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1394 [inline]
__free_frozen_pages+0x7df/0x1160 mm/page_alloc.c:2901
pagetable_free include/linux/mm.h:3004 [inline]
pagetable_dtor_free include/linux/mm.h:3107 [inline]
__tlb_remove_table include/asm-generic/tlb.h:220 [inline]
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x121/0x320 mm/mmu_gather.c:290
rcu_do_batch kernel/rcu/tree.c:2605 [inline]
rcu_core+0x79c/0x1530 kernel/rcu/tree.c:2861
handle_softirqs+0x219/0x8e0 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:723
irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1052
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
Modules linked in:
CPU: 2 UID: 0 PID: 19253 Comm: syz.2.4118 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:
__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:649
free_page_is_bad mm/page_alloc.c:1082 [inline]
free_page_is_bad mm/page_alloc.c:1076 [inline]
free_pages_prepare mm/page_alloc.c:1386 [inline]
__free_frozen_pages+0x845/0x1160 mm/page_alloc.c:2901
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:4191 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4215 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4237 [inline]
bpf_xdp_adjust_tail+0x887/0xcb0 net/core/filter.c:4230
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:721 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x61f/0x1570 net/core/dev.c:5360
netif_receive_generic_xdp net/core/dev.c:5476 [inline]
do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f15579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5406520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 00000000800002c0
RDX: 000000000000fed7 RSI: 00000000f73a6ff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.4118 pfn:4c9a7
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x34f pfn:0x4c9a7
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880201c5000 0000000000000000
raw: 000000000000034f 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 19253, tgid 19252 (syz.2.4118), ts 673345522608, free_ts 673331794121
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1af/0x220 mm/page_alloc.c:1845
prep_new_page mm/page_alloc.c:1853 [inline]
get_page_from_freelist+0x10a3/0x3a30 mm/page_alloc.c:3879
__alloc_frozen_pages_noprof+0x25f/0x2470 mm/page_alloc.c:5178
__alloc_pages_noprof mm/page_alloc.c:5212 [inline]
alloc_pages_bulk_noprof+0x77a/0x1410 mm/page_alloc.c:5132
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x1c7/0xca0 net/core/page_pool.c:612
page_pool_alloc_netmems net/core/page_pool.c:663 [inline]
page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:650
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:952
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:986
netif_skb_check_for_xdp net/core/dev.c:5429 [inline]
netif_receive_generic_xdp net/core/dev.c:5470 [inline]
do_xdp_generic+0x530/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
page last free pid 19239 tgid 19238 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1394 [inline]
__free_frozen_pages+0x7df/0x1160 mm/page_alloc.c:2901
pagetable_free include/linux/mm.h:3004 [inline]
pagetable_dtor_free include/linux/mm.h:3107 [inline]
__tlb_remove_table include/asm-generic/tlb.h:220 [inline]
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x121/0x320 mm/mmu_gather.c:290
rcu_do_batch kernel/rcu/tree.c:2605 [inline]
rcu_core+0x79c/0x1530 kernel/rcu/tree.c:2861
handle_softirqs+0x219/0x8e0 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:723
irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1052
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
Modules linked in:
CPU: 2 UID: 0 PID: 19253 Comm: syz.2.4118 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:
__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:649
free_page_is_bad mm/page_alloc.c:1082 [inline]
free_page_is_bad mm/page_alloc.c:1076 [inline]
free_pages_prepare mm/page_alloc.c:1386 [inline]
__free_frozen_pages+0x845/0x1160 mm/page_alloc.c:2901
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:4191 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4215 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4237 [inline]
bpf_xdp_adjust_tail+0x887/0xcb0 net/core/filter.c:4230
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:721 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x61f/0x1570 net/core/dev.c:5360
netif_receive_generic_xdp net/core/dev.c:5476 [inline]
do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f15579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5406520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 00000000800002c0
RDX: 000000000000fed7 RSI: 00000000f73a6ff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.4118 pfn:477b6
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888000000000 pfn:0x477b6
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880201c5000 0000000000000000
raw: ffff888000000000 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 19253, tgid 19252 (syz.2.4118), ts 673345510524, free_ts 673338107300
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1af/0x220 mm/page_alloc.c:1845
prep_new_page mm/page_alloc.c:1853 [inline]
get_page_from_freelist+0x10a3/0x3a30 mm/page_alloc.c:3879
__alloc_frozen_pages_noprof+0x25f/0x2470 mm/page_alloc.c:5178
__alloc_pages_noprof mm/page_alloc.c:5212 [inline]
alloc_pages_bulk_noprof+0x77a/0x1410 mm/page_alloc.c:5132
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x1c7/0xca0 net/core/page_pool.c:612
page_pool_alloc_netmems net/core/page_pool.c:663 [inline]
page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:650
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:952
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:986
netif_skb_check_for_xdp net/core/dev.c:5429 [inline]
netif_receive_generic_xdp net/core/dev.c:5470 [inline]
do_xdp_generic+0x530/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
page last free pid 19253 tgid 19252 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1394 [inline]
__free_frozen_pages+0x7df/0x1160 mm/page_alloc.c:2901
___free_pages_bulk mm/kasan/shadow.c:333 [inline]
__kasan_populate_vmalloc mm/kasan/shadow.c:393 [inline]
kasan_populate_vmalloc+0x1eb/0x2d0 mm/kasan/shadow.c:435
alloc_vmap_area+0x960/0x29e0 mm/vmalloc.c:2098
__get_vm_area_node+0x1ca/0x330 mm/vmalloc.c:3193
__vmalloc_node_range_noprof+0x271/0x1480 mm/vmalloc.c:3857
__vmalloc_node_noprof+0xad/0xf0 mm/vmalloc.c:3960
bpf_prog_calc_tag+0x67/0x350 kernel/bpf/core.c:304
resolve_pseudo_ldimm64 kernel/bpf/verifier.c:20527 [inline]
bpf_check+0x61fa/0xbdd0 kernel/bpf/verifier.c:24611
bpf_prog_load+0x112e/0x2850 kernel/bpf/syscall.c:3077
__sys_bpf+0x3e72/0x4980 kernel/bpf/syscall.c:6149
__do_sys_bpf kernel/bpf/syscall.c:6259 [inline]
__se_sys_bpf kernel/bpf/syscall.c:6257 [inline]
__ia32_sys_bpf+0x76/0xe0 kernel/bpf/syscall.c:6257
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
Modules linked in:
CPU: 2 UID: 0 PID: 19253 Comm: syz.2.4118 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:
__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:649
free_page_is_bad mm/page_alloc.c:1082 [inline]
free_page_is_bad mm/page_alloc.c:1076 [inline]
free_pages_prepare mm/page_alloc.c:1386 [inline]
__free_frozen_pages+0x845/0x1160 mm/page_alloc.c:2901
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:4191 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4215 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4237 [inline]
bpf_xdp_adjust_tail+0x887/0xcb0 net/core/filter.c:4230
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:721 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x61f/0x1570 net/core/dev.c:5360
netif_receive_generic_xdp net/core/dev.c:5476 [inline]
do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f15579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5406520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 00000000800002c0
RDX: 000000000000fed7 RSI: 00000000f73a6ff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.4118 pfn:72ce2
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x72ce2
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880201c5000 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 19253, tgid 19252 (syz.2.4118), ts 673345496700, free_ts 673338119366
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1af/0x220 mm/page_alloc.c:1845
prep_new_page mm/page_alloc.c:1853 [inline]
get_page_from_freelist+0x10a3/0x3a30 mm/page_alloc.c:3879
__alloc_frozen_pages_noprof+0x25f/0x2470 mm/page_alloc.c:5178
__alloc_pages_noprof mm/page_alloc.c:5212 [inline]
alloc_pages_bulk_noprof+0x77a/0x1410 mm/page_alloc.c:5132
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x1c7/0xca0 net/core/page_pool.c:612
page_pool_alloc_netmems net/core/page_pool.c:663 [inline]
page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:650
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:952
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:986
netif_skb_check_for_xdp net/core/dev.c:5429 [inline]
netif_receive_generic_xdp net/core/dev.c:5470 [inline]
do_xdp_generic+0x530/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
page last free pid 19253 tgid 19252 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1394 [inline]
__free_frozen_pages+0x7df/0x1160 mm/page_alloc.c:2901
___free_pages_bulk mm/kasan/shadow.c:333 [inline]
__kasan_populate_vmalloc mm/kasan/shadow.c:393 [inline]
kasan_populate_vmalloc+0x1eb/0x2d0 mm/kasan/shadow.c:435
alloc_vmap_area+0x960/0x29e0 mm/vmalloc.c:2098
__get_vm_area_node+0x1ca/0x330 mm/vmalloc.c:3193
__vmalloc_node_range_noprof+0x271/0x1480 mm/vmalloc.c:3857
__vmalloc_node_noprof+0xad/0xf0 mm/vmalloc.c:3960
bpf_prog_calc_tag+0x67/0x350 kernel/bpf/core.c:304
resolve_pseudo_ldimm64 kernel/bpf/verifier.c:20527 [inline]
bpf_check+0x61fa/0xbdd0 kernel/bpf/verifier.c:24611
bpf_prog_load+0x112e/0x2850 kernel/bpf/syscall.c:3077
__sys_bpf+0x3e72/0x4980 kernel/bpf/syscall.c:6149
__do_sys_bpf kernel/bpf/syscall.c:6259 [inline]
__se_sys_bpf kernel/bpf/syscall.c:6257 [inline]
__ia32_sys_bpf+0x76/0xe0 kernel/bpf/syscall.c:6257
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
Modules linked in:
CPU: 2 UID: 0 PID: 19253 Comm: syz.2.4118 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:
__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:649
free_page_is_bad mm/page_alloc.c:1082 [inline]
free_page_is_bad mm/page_alloc.c:1076 [inline]
free_pages_prepare mm/page_alloc.c:1386 [inline]
__free_frozen_pages+0x845/0x1160 mm/page_alloc.c:2901
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:4191 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4215 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4237 [inline]
bpf_xdp_adjust_tail+0x887/0xcb0 net/core/filter.c:4230
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:721 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x61f/0x1570 net/core/dev.c:5360
netif_receive_generic_xdp net/core/dev.c:5476 [inline]
do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f15579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5406520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 00000000800002c0
RDX: 000000000000fed7 RSI: 00000000f73a6ff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.4118 pfn:4b3dc
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888000000000 pfn:0x4b3dc
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880201c5000 0000000000000000
raw: ffff888000000000 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 19253, tgid 19252 (syz.2.4118), ts 673345483313, free_ts 673338178089
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1af/0x220 mm/page_alloc.c:1845
prep_new_page mm/page_alloc.c:1853 [inline]
get_page_from_freelist+0x10a3/0x3a30 mm/page_alloc.c:3879
__alloc_frozen_pages_noprof+0x25f/0x2470 mm/page_alloc.c:5178
__alloc_pages_noprof mm/page_alloc.c:5212 [inline]
alloc_pages_bulk_noprof+0x77a/0x1410 mm/page_alloc.c:5132
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x1c7/0xca0 net/core/page_pool.c:612
page_pool_alloc_netmems net/core/page_pool.c:663 [inline]
page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:650
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:952
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:986
netif_skb_check_for_xdp net/core/dev.c:5429 [inline]
netif_receive_generic_xdp net/core/dev.c:5470 [inline]
do_xdp_generic+0x530/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
page last free pid 19253 tgid 19252 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1394 [inline]
__free_frozen_pages+0x7df/0x1160 mm/page_alloc.c:2901
vfree+0x1fd/0xb50 mm/vmalloc.c:3440
bpf_prog_calc_tag+0x2d3/0x350 kernel/bpf/core.c:331
resolve_pseudo_ldimm64 kernel/bpf/verifier.c:20527 [inline]
bpf_check+0x61fa/0xbdd0 kernel/bpf/verifier.c:24611
bpf_prog_load+0x112e/0x2850 kernel/bpf/syscall.c:3077
__sys_bpf+0x3e72/0x4980 kernel/bpf/syscall.c:6149
__do_sys_bpf kernel/bpf/syscall.c:6259 [inline]
__se_sys_bpf kernel/bpf/syscall.c:6257 [inline]
__ia32_sys_bpf+0x76/0xe0 kernel/bpf/syscall.c:6257
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
Modules linked in:
CPU: 2 UID: 0 PID: 19253 Comm: syz.2.4118 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:
__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:649
free_page_is_bad mm/page_alloc.c:1082 [inline]
free_page_is_bad mm/page_alloc.c:1076 [inline]
free_pages_prepare mm/page_alloc.c:1386 [inline]
__free_frozen_pages+0x845/0x1160 mm/page_alloc.c:2901
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:4191 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4215 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4237 [inline]
bpf_xdp_adjust_tail+0x887/0xcb0 net/core/filter.c:4230
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:721 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x61f/0x1570 net/core/dev.c:5360
netif_receive_generic_xdp net/core/dev.c:5476 [inline]
do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f15579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5406520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 00000000800002c0
RDX: 000000000000fed7 RSI: 00000000f73a6ff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.4118 pfn:53219
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x53219
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880201c5000 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 19253, tgid 19252 (syz.2.4118), ts 673345470744, free_ts 673338663467
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1af/0x220 mm/page_alloc.c:1845
prep_new_page mm/page_alloc.c:1853 [inline]
get_page_from_freelist+0x10a3/0x3a30 mm/page_alloc.c:3879
__alloc_frozen_pages_noprof+0x25f/0x2470 mm/page_alloc.c:5178
__alloc_pages_noprof mm/page_alloc.c:5212 [inline]
alloc_pages_bulk_noprof+0x77a/0x1410 mm/page_alloc.c:5132
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x1c7/0xca0 net/core/page_pool.c:612
page_pool_alloc_netmems net/core/page_pool.c:663 [inline]
page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:650
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:952
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:986
netif_skb_check_for_xdp net/core/dev.c:5429 [inline]
netif_receive_generic_xdp net/core/dev.c:5470 [inline]
do_xdp_generic+0x530/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
page last free pid 19253 tgid 19252 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1394 [inline]
__free_frozen_pages+0x7df/0x1160 mm/page_alloc.c:2901
vfree+0x1fd/0xb50 mm/vmalloc.c:3440
bpf_check+0x87d/0xbdd0 kernel/bpf/verifier.c:24780
bpf_prog_load+0x112e/0x2850 kernel/bpf/syscall.c:3077
__sys_bpf+0x3e72/0x4980 kernel/bpf/syscall.c:6149
__do_sys_bpf kernel/bpf/syscall.c:6259 [inline]
__se_sys_bpf kernel/bpf/syscall.c:6257 [inline]
__ia32_sys_bpf+0x76/0xe0 kernel/bpf/syscall.c:6257
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
Modules linked in:
CPU: 2 UID: 0 PID: 19253 Comm: syz.2.4118 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:
__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:649
free_page_is_bad mm/page_alloc.c:1082 [inline]
free_page_is_bad mm/page_alloc.c:1076 [inline]
free_pages_prepare mm/page_alloc.c:1386 [inline]
__free_frozen_pages+0x845/0x1160 mm/page_alloc.c:2901
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:4191 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4215 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4237 [inline]
bpf_xdp_adjust_tail+0x887/0xcb0 net/core/filter.c:4230
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:721 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x61f/0x1570 net/core/dev.c:5360
netif_receive_generic_xdp net/core/dev.c:5476 [inline]
do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f15579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5406520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 00000000800002c0
RDX: 000000000000fed7 RSI: 00000000f73a6ff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.4118 pfn:58808
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x58808
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880201c5000 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 19253, tgid 19252 (syz.2.4118), ts 673345458007, free_ts 673341985070
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1af/0x220 mm/page_alloc.c:1845
prep_new_page mm/page_alloc.c:1853 [inline]
get_page_from_freelist+0x10a3/0x3a30 mm/page_alloc.c:3879
__alloc_frozen_pages_noprof+0x25f/0x2470 mm/page_alloc.c:5178
__alloc_pages_noprof mm/page_alloc.c:5212 [inline]
alloc_pages_bulk_noprof+0x77a/0x1410 mm/page_alloc.c:5132
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x1c7/0xca0 net/core/page_pool.c:612
page_pool_alloc_netmems net/core/page_pool.c:663 [inline]
page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:650
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:952
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:986
netif_skb_check_for_xdp net/core/dev.c:5429 [inline]
netif_receive_generic_xdp net/core/dev.c:5470 [inline]
do_xdp_generic+0x530/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
page last free pid 9158 tgid 9158 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1394 [inline]
__free_frozen_pages+0x7df/0x1160 mm/page_alloc.c:2901
__folio_put+0x329/0x450 mm/swap.c:112
folio_put include/linux/mm.h:1425 [inline]
aio_free_ring+0x2dd/0x4f0 fs/aio.c:345
free_ioctx+0x21/0xa0 fs/aio.c:622
process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3263
process_scheduled_works kernel/workqueue.c:3346 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3427
kthread+0x3c5/0x780 kernel/kthread.c:463
ret_from_fork+0x675/0x7d0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 2 UID: 0 PID: 19253 Comm: syz.2.4118 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:
__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:649
free_page_is_bad mm/page_alloc.c:1082 [inline]
free_page_is_bad mm/page_alloc.c:1076 [inline]
free_pages_prepare mm/page_alloc.c:1386 [inline]
__free_frozen_pages+0x845/0x1160 mm/page_alloc.c:2901
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:4191 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4215 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4237 [inline]
bpf_xdp_adjust_tail+0x887/0xcb0 net/core/filter.c:4230
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:721 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x61f/0x1570 net/core/dev.c:5360
netif_receive_generic_xdp net/core/dev.c:5476 [inline]
do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f15579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5406520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 00000000800002c0
RDX: 000000000000fed7 RSI: 00000000f73a6ff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.4118 pfn:59b03
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x59b03
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880201c5000 0000000000000000
raw: 0000000000000001 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 19253, tgid 19252 (syz.2.4118), ts 673345444171, free_ts 673341999773
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1af/0x220 mm/page_alloc.c:1845
prep_new_page mm/page_alloc.c:1853 [inline]
get_page_from_freelist+0x10a3/0x3a30 mm/page_alloc.c:3879
__alloc_frozen_pages_noprof+0x25f/0x2470 mm/page_alloc.c:5178
__alloc_pages_noprof mm/page_alloc.c:5212 [inline]
alloc_pages_bulk_noprof+0x77a/0x1410 mm/page_alloc.c:5132
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x1c7/0xca0 net/core/page_pool.c:612
page_pool_alloc_netmems net/core/page_pool.c:663 [inline]
page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:650
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:952
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:986
netif_skb_check_for_xdp net/core/dev.c:5429 [inline]
netif_receive_generic_xdp net/core/dev.c:5470 [inline]
do_xdp_generic+0x530/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
page last free pid 9158 tgid 9158 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1394 [inline]
__free_frozen_pages+0x7df/0x1160 mm/page_alloc.c:2901
__folio_put+0x329/0x450 mm/swap.c:112
folio_put include/linux/mm.h:1425 [inline]
aio_free_ring+0x2dd/0x4f0 fs/aio.c:345
free_ioctx+0x21/0xa0 fs/aio.c:622
process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3263
process_scheduled_works kernel/workqueue.c:3346 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3427
kthread+0x3c5/0x780 kernel/kthread.c:463
ret_from_fork+0x675/0x7d0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 2 UID: 0 PID: 19253 Comm: syz.2.4118 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:
__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:649
free_page_is_bad mm/page_alloc.c:1082 [inline]
free_page_is_bad mm/page_alloc.c:1076 [inline]
free_pages_prepare mm/page_alloc.c:1386 [inline]
__free_frozen_pages+0x845/0x1160 mm/page_alloc.c:2901
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:4191 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4215 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4237 [inline]
bpf_xdp_adjust_tail+0x887/0xcb0 net/core/filter.c:4230
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:721 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x61f/0x1570 net/core/dev.c:5360
netif_receive_generic_xdp net/core/dev.c:5476 [inline]
do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f15579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5406520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 00000000800002c0
RDX: 000000000000fed7 RSI: 00000000f73a6ff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.4118 pfn:59b01
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x2 pfn:0x59b01
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880201c5000 0000000000000000
raw: 0000000000000002 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 19253, tgid 19252 (syz.2.4118), ts 673345431157, free_ts 673342012819
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1af/0x220 mm/page_alloc.c:1845
prep_new_page mm/page_alloc.c:1853 [inline]
get_page_from_freelist+0x10a3/0x3a30 mm/page_alloc.c:3879
__alloc_frozen_pages_noprof+0x25f/0x2470 mm/page_alloc.c:5178
__alloc_pages_noprof mm/page_alloc.c:5212 [inline]
alloc_pages_bulk_noprof+0x77a/0x1410 mm/page_alloc.c:5132
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x1c7/0xca0 net/core/page_pool.c:612
page_pool_alloc_netmems net/core/page_pool.c:663 [inline]
page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:650
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:952
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:986
netif_skb_check_for_xdp net/core/dev.c:5429 [inline]
netif_receive_generic_xdp net/core/dev.c:5470 [inline]
do_xdp_generic+0x530/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
page last free pid 9158 tgid 9158 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1394 [inline]
__free_frozen_pages+0x7df/0x1160 mm/page_alloc.c:2901
__folio_put+0x329/0x450 mm/swap.c:112
folio_put include/linux/mm.h:1425 [inline]
aio_free_ring+0x2dd/0x4f0 fs/aio.c:345
free_ioctx+0x21/0xa0 fs/aio.c:622
process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3263
process_scheduled_works kernel/workqueue.c:3346 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3427
kthread+0x3c5/0x780 kernel/kthread.c:463
ret_from_fork+0x675/0x7d0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 2 UID: 0 PID: 19253 Comm: syz.2.4118 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:
__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:649
free_page_is_bad mm/page_alloc.c:1082 [inline]
free_page_is_bad mm/page_alloc.c:1076 [inline]
free_pages_prepare mm/page_alloc.c:1386 [inline]
__free_frozen_pages+0x845/0x1160 mm/page_alloc.c:2901
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:4191 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4215 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4237 [inline]
bpf_xdp_adjust_tail+0x887/0xcb0 net/core/filter.c:4230
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:721 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x61f/0x1570 net/core/dev.c:5360
netif_receive_generic_xdp net/core/dev.c:5476 [inline]
do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f15579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5406520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 00000000800002c0
RDX: 000000000000fed7 RSI: 00000000f73a6ff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.4118 pfn:59b00
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x59b00
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880201c5000 0000000000000000
raw: 0000000000000003 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 19253, tgid 19252 (syz.2.4118), ts 673345418063, free_ts 673342026229
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1af/0x220 mm/page_alloc.c:1845
prep_new_page mm/page_alloc.c:1853 [inline]
get_page_from_freelist+0x10a3/0x3a30 mm/page_alloc.c:3879
__alloc_frozen_pages_noprof+0x25f/0x2470 mm/page_alloc.c:5178
__alloc_pages_noprof mm/page_alloc.c:5212 [inline]
alloc_pages_bulk_noprof+0x77a/0x1410 mm/page_alloc.c:5132
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x1c7/0xca0 net/core/page_pool.c:612
page_pool_alloc_netmems net/core/page_pool.c:663 [inline]
page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:650
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:952
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:986
netif_skb_check_for_xdp net/core/dev.c:5429 [inline]
netif_receive_generic_xdp net/core/dev.c:5470 [inline]
do_xdp_generic+0x530/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
page last free pid 9158 tgid 9158 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1394 [inline]
__free_frozen_pages+0x7df/0x1160 mm/page_alloc.c:2901
__folio_put+0x329/0x450 mm/swap.c:112
folio_put include/linux/mm.h:1425 [inline]
aio_free_ring+0x2dd/0x4f0 fs/aio.c:345
free_ioctx+0x21/0xa0 fs/aio.c:622
process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3263
process_scheduled_works kernel/workqueue.c:3346 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3427
kthread+0x3c5/0x780 kernel/kthread.c:463
ret_from_fork+0x675/0x7d0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 2 UID: 0 PID: 19253 Comm: syz.2.4118 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:
__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:649
free_page_is_bad mm/page_alloc.c:1082 [inline]
free_page_is_bad mm/page_alloc.c:1076 [inline]
free_pages_prepare mm/page_alloc.c:1386 [inline]
__free_frozen_pages+0x845/0x1160 mm/page_alloc.c:2901
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:4191 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4215 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4237 [inline]
bpf_xdp_adjust_tail+0x887/0xcb0 net/core/filter.c:4230
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:721 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x61f/0x1570 net/core/dev.c:5360
netif_receive_generic_xdp net/core/dev.c:5476 [inline]
do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5538
tun_get_user+0x1d41/0x3cc0 drivers/net/tun.c:1872
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1999
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_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f15579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5406520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 00000000800002c0
RDX: 000000000000fed7 RSI: 00000000f73a6ff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
----------------
Code disassembly (best guess), 2 bytes skipped:
0: 10 06 adc %al,(%rsi)
2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi
6: 10 07 adc %al,(%rdi)
8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi
c: 10 08 adc %cl,(%rax)
e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi
1e: 00 51 52 add %dl,0x52(%rcx)
21: 55 push %rbp
22: 89 e5 mov %esp,%ebp
24: 0f 34 sysenter
26: cd 80 int $0x80
* 28: 5d pop %rbp <-- trapping instruction
29: 5a pop %rdx
2a: 59 pop %rcx
2b: c3 ret
2c: 90 nop
2d: 90 nop
2e: 90 nop
2f: 90 nop
30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi