BUG: Bad page state in process syz.1.184 pfn:4b5a4
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88804b5a5380 pfn:0x4b5a4
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880210cb000 0000000000000000
raw: ffff88804b5a5380 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 6541, tgid 6540 (syz.1.184), ts 91372458171, free_ts 91023569340
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
prep_new_page mm/page_alloc.c:1867 [inline]
get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946
__alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304
__alloc_pages_noprof mm/page_alloc.c:5338 [inline]
alloc_pages_bulk_noprof+0x5de/0x13c0 mm/page_alloc.c:5230
alloc_pages_bulk_node_noprof include/linux/gfp.h:261 [inline]
__page_pool_alloc_netmems_slow+0x1c6/0xa60 net/core/page_pool.c:619
page_pool_alloc_netmems net/core/page_pool.c:670 [inline]
page_pool_alloc_netmems+0xc4/0x1a0 net/core/page_pool.c:657
page_pool_alloc_frag_netmem+0x21d/0xa10 net/core/page_pool.c:1079
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+0x5a7/0x1220 net/core/skbuff.c:984
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:1018
netif_skb_check_for_xdp net/core/dev.c:5561 [inline]
netif_receive_generic_xdp net/core/dev.c:5602 [inline]
do_xdp_generic+0x56b/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
page last free pid 6509 tgid 6509 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1406 [inline]
__free_frozen_pages+0x79f/0x1090 mm/page_alloc.c:2950
kvm_mmu_free_memory_cache+0x189/0x2d0 virt/kvm/kvm_main.c:419
mmu_free_memory_caches arch/x86/kvm/mmu/mmu.c:635 [inline]
kvm_mmu_destroy+0x64/0x150 arch/x86/kvm/mmu/mmu.c:7736
kvm_arch_vcpu_destroy+0x282/0x3e0 arch/x86/kvm/x86.c:12911
kvm_vcpu_destroy virt/kvm/kvm_main.c:468 [inline]
kvm_destroy_vcpus+0x24e/0x3c0 virt/kvm/kvm_main.c:488
kvm_arch_destroy_vm+0xd2/0x350 arch/x86/kvm/x86.c:13461
kvm_destroy_vm virt/kvm/kvm_main.c:1294 [inline]
kvm_put_kvm+0x512/0xb10 virt/kvm/kvm_main.c:1331
kvm_vm_release+0x3c/0x50 virt/kvm/kvm_main.c:1354
__fput+0x3ff/0xb50 fs/file_table.c:512
task_work_run+0x150/0x240 kernel/task_work.c:233
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
__exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
exit_to_user_mode_loop+0x1d8/0x6f0 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
__do_fast_syscall_32+0x701/0x970 arch/x86/entry/syscall_32.c:310
do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
Modules linked in:
CPU: 2 UID: 0 PID: 6541 Comm: syz.1.184 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
bad_page.cold+0xbe/0xdf mm/page_alloc.c:643
free_page_is_bad mm/page_alloc.c:1078 [inline]
free_page_is_bad mm/page_alloc.c:1072 [inline]
__free_pages_prepare mm/page_alloc.c:1397 [inline]
__free_frozen_pages+0x7d1/0x1090 mm/page_alloc.c:2950
page_frag_free+0x199/0x1f0 mm/page_frag_cache.c:169
__xdp_return+0x3b6/0x990 net/core/xdp.c:448
bpf_xdp_shrink_data net/core/filter.c:4289 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4313 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4335 [inline]
bpf_xdp_adjust_tail+0x8a1/0xbb0 net/core/filter.c:4328
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:723 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x614/0x1610 net/core/dev.c:5492
netif_receive_generic_xdp net/core/dev.c:5608 [inline]
do_xdp_generic+0x92e/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
RIP: 0023:0xf71b71eb
Code: 57 56 53 8b 44 24 14 f6 00 08 75 23 8b 44 24 18 8b 5c 24 1c 8b 4c 24 20 8b 54 24 24 8b 74 24 28 8b 7c 24 2c 8b 6c 24 30 cd 80 <5b> 5e 5f 5d c3 5b 5e 5f 5d e9 f7 a1 ff ff 66 90 66 90 66 90 90 53
RSP: 002b:00000000f546d44c EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000040
RDX: 000000000000fdef RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.1.184 pfn:4b5cb
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4b5cb
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880210cb000 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 6541, tgid 6540 (syz.1.184), ts 91372432541, free_ts 91023576140
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
prep_new_page mm/page_alloc.c:1867 [inline]
get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946
__alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304
__alloc_pages_noprof mm/page_alloc.c:5338 [inline]
alloc_pages_bulk_noprof+0x5de/0x13c0 mm/page_alloc.c:5230
alloc_pages_bulk_node_noprof include/linux/gfp.h:261 [inline]
__page_pool_alloc_netmems_slow+0x1c6/0xa60 net/core/page_pool.c:619
page_pool_alloc_netmems net/core/page_pool.c:670 [inline]
page_pool_alloc_netmems+0xc4/0x1a0 net/core/page_pool.c:657
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+0xa15/0x1220 net/core/skbuff.c:984
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:1018
netif_skb_check_for_xdp net/core/dev.c:5561 [inline]
netif_receive_generic_xdp net/core/dev.c:5602 [inline]
do_xdp_generic+0x56b/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
page last free pid 6509 tgid 6509 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1406 [inline]
__free_frozen_pages+0x79f/0x1090 mm/page_alloc.c:2950
kvm_mmu_free_memory_cache+0x189/0x2d0 virt/kvm/kvm_main.c:419
mmu_free_memory_caches arch/x86/kvm/mmu/mmu.c:635 [inline]
kvm_mmu_destroy+0x64/0x150 arch/x86/kvm/mmu/mmu.c:7736
kvm_arch_vcpu_destroy+0x282/0x3e0 arch/x86/kvm/x86.c:12911
kvm_vcpu_destroy virt/kvm/kvm_main.c:468 [inline]
kvm_destroy_vcpus+0x24e/0x3c0 virt/kvm/kvm_main.c:488
kvm_arch_destroy_vm+0xd2/0x350 arch/x86/kvm/x86.c:13461
kvm_destroy_vm virt/kvm/kvm_main.c:1294 [inline]
kvm_put_kvm+0x512/0xb10 virt/kvm/kvm_main.c:1331
kvm_vm_release+0x3c/0x50 virt/kvm/kvm_main.c:1354
__fput+0x3ff/0xb50 fs/file_table.c:512
task_work_run+0x150/0x240 kernel/task_work.c:233
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
__exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
exit_to_user_mode_loop+0x1d8/0x6f0 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
__do_fast_syscall_32+0x701/0x970 arch/x86/entry/syscall_32.c:310
do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
Modules linked in:
CPU: 2 UID: 0 PID: 6541 Comm: syz.1.184 Tainted: G B L syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE, [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
bad_page.cold+0xbe/0xdf mm/page_alloc.c:643
free_page_is_bad mm/page_alloc.c:1078 [inline]
free_page_is_bad mm/page_alloc.c:1072 [inline]
__free_pages_prepare mm/page_alloc.c:1397 [inline]
__free_frozen_pages+0x7d1/0x1090 mm/page_alloc.c:2950
page_frag_free+0x199/0x1f0 mm/page_frag_cache.c:169
__xdp_return+0x3b6/0x990 net/core/xdp.c:448
bpf_xdp_shrink_data net/core/filter.c:4289 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4313 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4335 [inline]
bpf_xdp_adjust_tail+0x8a1/0xbb0 net/core/filter.c:4328
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:723 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x614/0x1610 net/core/dev.c:5492
netif_receive_generic_xdp net/core/dev.c:5608 [inline]
do_xdp_generic+0x92e/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
RIP: 0023:0xf71b71eb
Code: 57 56 53 8b 44 24 14 f6 00 08 75 23 8b 44 24 18 8b 5c 24 1c 8b 4c 24 20 8b 54 24 24 8b 74 24 28 8b 7c 24 2c 8b 6c 24 30 cd 80 <5b> 5e 5f 5d c3 5b 5e 5f 5d e9 f7 a1 ff ff 66 90 66 90 66 90 90 53
RSP: 002b:00000000f546d44c EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000040
RDX: 000000000000fdef RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.1.184 pfn:4b5ca
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4b5ca
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880210cb000 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 6541, tgid 6540 (syz.1.184), ts 91372428317, free_ts 91023582981
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
prep_new_page mm/page_alloc.c:1867 [inline]
get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946
__alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304
__alloc_pages_noprof mm/page_alloc.c:5338 [inline]
alloc_pages_bulk_noprof+0x5de/0x13c0 mm/page_alloc.c:5230
alloc_pages_bulk_node_noprof include/linux/gfp.h:261 [inline]
__page_pool_alloc_netmems_slow+0x1c6/0xa60 net/core/page_pool.c:619
page_pool_alloc_netmems net/core/page_pool.c:670 [inline]
page_pool_alloc_netmems+0xc4/0x1a0 net/core/page_pool.c:657
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+0xa15/0x1220 net/core/skbuff.c:984
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:1018
netif_skb_check_for_xdp net/core/dev.c:5561 [inline]
netif_receive_generic_xdp net/core/dev.c:5602 [inline]
do_xdp_generic+0x56b/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
page last free pid 6509 tgid 6509 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1406 [inline]
__free_frozen_pages+0x79f/0x1090 mm/page_alloc.c:2950
kvm_mmu_free_memory_cache+0x189/0x2d0 virt/kvm/kvm_main.c:419
mmu_free_memory_caches arch/x86/kvm/mmu/mmu.c:635 [inline]
kvm_mmu_destroy+0x64/0x150 arch/x86/kvm/mmu/mmu.c:7736
kvm_arch_vcpu_destroy+0x282/0x3e0 arch/x86/kvm/x86.c:12911
kvm_vcpu_destroy virt/kvm/kvm_main.c:468 [inline]
kvm_destroy_vcpus+0x24e/0x3c0 virt/kvm/kvm_main.c:488
kvm_arch_destroy_vm+0xd2/0x350 arch/x86/kvm/x86.c:13461
kvm_destroy_vm virt/kvm/kvm_main.c:1294 [inline]
kvm_put_kvm+0x512/0xb10 virt/kvm/kvm_main.c:1331
kvm_vm_release+0x3c/0x50 virt/kvm/kvm_main.c:1354
__fput+0x3ff/0xb50 fs/file_table.c:512
task_work_run+0x150/0x240 kernel/task_work.c:233
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
__exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
exit_to_user_mode_loop+0x1d8/0x6f0 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
__do_fast_syscall_32+0x701/0x970 arch/x86/entry/syscall_32.c:310
do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
Modules linked in:
CPU: 2 UID: 0 PID: 6541 Comm: syz.1.184 Tainted: G B L syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE, [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
bad_page.cold+0xbe/0xdf mm/page_alloc.c:643
free_page_is_bad mm/page_alloc.c:1078 [inline]
free_page_is_bad mm/page_alloc.c:1072 [inline]
__free_pages_prepare mm/page_alloc.c:1397 [inline]
__free_frozen_pages+0x7d1/0x1090 mm/page_alloc.c:2950
page_frag_free+0x199/0x1f0 mm/page_frag_cache.c:169
__xdp_return+0x3b6/0x990 net/core/xdp.c:448
bpf_xdp_shrink_data net/core/filter.c:4289 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4313 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4335 [inline]
bpf_xdp_adjust_tail+0x8a1/0xbb0 net/core/filter.c:4328
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:723 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x614/0x1610 net/core/dev.c:5492
netif_receive_generic_xdp net/core/dev.c:5608 [inline]
do_xdp_generic+0x92e/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
RIP: 0023:0xf71b71eb
Code: 57 56 53 8b 44 24 14 f6 00 08 75 23 8b 44 24 18 8b 5c 24 1c 8b 4c 24 20 8b 54 24 24 8b 74 24 28 8b 7c 24 2c 8b 6c 24 30 cd 80 <5b> 5e 5f 5d c3 5b 5e 5f 5d e9 f7 a1 ff ff 66 90 66 90 66 90 90 53
RSP: 002b:00000000f546d44c EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000040
RDX: 000000000000fdef RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.1.184 pfn:4b5c9
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffffffffffffffff pfn:0x4b5c9
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880210cb000 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 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 6541, tgid 6540 (syz.1.184), ts 91372424319, free_ts 91023589794
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
prep_new_page mm/page_alloc.c:1867 [inline]
get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946
__alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304
__alloc_pages_noprof mm/page_alloc.c:5338 [inline]
alloc_pages_bulk_noprof+0x5de/0x13c0 mm/page_alloc.c:5230
alloc_pages_bulk_node_noprof include/linux/gfp.h:261 [inline]
__page_pool_alloc_netmems_slow+0x1c6/0xa60 net/core/page_pool.c:619
page_pool_alloc_netmems net/core/page_pool.c:670 [inline]
page_pool_alloc_netmems+0xc4/0x1a0 net/core/page_pool.c:657
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+0xa15/0x1220 net/core/skbuff.c:984
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:1018
netif_skb_check_for_xdp net/core/dev.c:5561 [inline]
netif_receive_generic_xdp net/core/dev.c:5602 [inline]
do_xdp_generic+0x56b/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
page last free pid 6509 tgid 6509 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1406 [inline]
__free_frozen_pages+0x79f/0x1090 mm/page_alloc.c:2950
kvm_mmu_free_memory_cache+0x189/0x2d0 virt/kvm/kvm_main.c:419
mmu_free_memory_caches arch/x86/kvm/mmu/mmu.c:635 [inline]
kvm_mmu_destroy+0x64/0x150 arch/x86/kvm/mmu/mmu.c:7736
kvm_arch_vcpu_destroy+0x282/0x3e0 arch/x86/kvm/x86.c:12911
kvm_vcpu_destroy virt/kvm/kvm_main.c:468 [inline]
kvm_destroy_vcpus+0x24e/0x3c0 virt/kvm/kvm_main.c:488
kvm_arch_destroy_vm+0xd2/0x350 arch/x86/kvm/x86.c:13461
kvm_destroy_vm virt/kvm/kvm_main.c:1294 [inline]
kvm_put_kvm+0x512/0xb10 virt/kvm/kvm_main.c:1331
kvm_vm_release+0x3c/0x50 virt/kvm/kvm_main.c:1354
__fput+0x3ff/0xb50 fs/file_table.c:512
task_work_run+0x150/0x240 kernel/task_work.c:233
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
__exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
exit_to_user_mode_loop+0x1d8/0x6f0 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
__do_fast_syscall_32+0x701/0x970 arch/x86/entry/syscall_32.c:310
do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
Modules linked in:
CPU: 2 UID: 0 PID: 6541 Comm: syz.1.184 Tainted: G B L syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE, [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
bad_page.cold+0xbe/0xdf mm/page_alloc.c:643
free_page_is_bad mm/page_alloc.c:1078 [inline]
free_page_is_bad mm/page_alloc.c:1072 [inline]
__free_pages_prepare mm/page_alloc.c:1397 [inline]
__free_frozen_pages+0x7d1/0x1090 mm/page_alloc.c:2950
page_frag_free+0x199/0x1f0 mm/page_frag_cache.c:169
__xdp_return+0x3b6/0x990 net/core/xdp.c:448
bpf_xdp_shrink_data net/core/filter.c:4289 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4313 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4335 [inline]
bpf_xdp_adjust_tail+0x8a1/0xbb0 net/core/filter.c:4328
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:723 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x614/0x1610 net/core/dev.c:5492
netif_receive_generic_xdp net/core/dev.c:5608 [inline]
do_xdp_generic+0x92e/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
RIP: 0023:0xf71b71eb
Code: 57 56 53 8b 44 24 14 f6 00 08 75 23 8b 44 24 18 8b 5c 24 1c 8b 4c 24 20 8b 54 24 24 8b 74 24 28 8b 7c 24 2c 8b 6c 24 30 cd 80 <5b> 5e 5f 5d c3 5b 5e 5f 5d e9 f7 a1 ff ff 66 90 66 90 66 90 90 53
RSP: 002b:00000000f546d44c EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000040
RDX: 000000000000fdef RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.1.184 pfn:4b5c8
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88804b5c8340 pfn:0x4b5c8
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880210cb000 0000000000000000
raw: ffff88804b5c8340 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 6541, tgid 6540 (syz.1.184), ts 91372420224, free_ts 91023596520
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
prep_new_page mm/page_alloc.c:1867 [inline]
get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946
__alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304
__alloc_pages_noprof mm/page_alloc.c:5338 [inline]
alloc_pages_bulk_noprof+0x5de/0x13c0 mm/page_alloc.c:5230
alloc_pages_bulk_node_noprof include/linux/gfp.h:261 [inline]
__page_pool_alloc_netmems_slow+0x1c6/0xa60 net/core/page_pool.c:619
page_pool_alloc_netmems net/core/page_pool.c:670 [inline]
page_pool_alloc_netmems+0xc4/0x1a0 net/core/page_pool.c:657
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+0xa15/0x1220 net/core/skbuff.c:984
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:1018
netif_skb_check_for_xdp net/core/dev.c:5561 [inline]
netif_receive_generic_xdp net/core/dev.c:5602 [inline]
do_xdp_generic+0x56b/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
page last free pid 6509 tgid 6509 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1406 [inline]
__free_frozen_pages+0x79f/0x1090 mm/page_alloc.c:2950
kvm_mmu_free_memory_cache+0x189/0x2d0 virt/kvm/kvm_main.c:419
mmu_free_memory_caches arch/x86/kvm/mmu/mmu.c:635 [inline]
kvm_mmu_destroy+0x64/0x150 arch/x86/kvm/mmu/mmu.c:7736
kvm_arch_vcpu_destroy+0x282/0x3e0 arch/x86/kvm/x86.c:12911
kvm_vcpu_destroy virt/kvm/kvm_main.c:468 [inline]
kvm_destroy_vcpus+0x24e/0x3c0 virt/kvm/kvm_main.c:488
kvm_arch_destroy_vm+0xd2/0x350 arch/x86/kvm/x86.c:13461
kvm_destroy_vm virt/kvm/kvm_main.c:1294 [inline]
kvm_put_kvm+0x512/0xb10 virt/kvm/kvm_main.c:1331
kvm_vm_release+0x3c/0x50 virt/kvm/kvm_main.c:1354
__fput+0x3ff/0xb50 fs/file_table.c:512
task_work_run+0x150/0x240 kernel/task_work.c:233
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
__exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
exit_to_user_mode_loop+0x1d8/0x6f0 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
__do_fast_syscall_32+0x701/0x970 arch/x86/entry/syscall_32.c:310
do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
Modules linked in:
CPU: 2 UID: 0 PID: 6541 Comm: syz.1.184 Tainted: G B L syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE, [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
bad_page.cold+0xbe/0xdf mm/page_alloc.c:643
free_page_is_bad mm/page_alloc.c:1078 [inline]
free_page_is_bad mm/page_alloc.c:1072 [inline]
__free_pages_prepare mm/page_alloc.c:1397 [inline]
__free_frozen_pages+0x7d1/0x1090 mm/page_alloc.c:2950
page_frag_free+0x199/0x1f0 mm/page_frag_cache.c:169
__xdp_return+0x3b6/0x990 net/core/xdp.c:448
bpf_xdp_shrink_data net/core/filter.c:4289 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4313 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4335 [inline]
bpf_xdp_adjust_tail+0x8a1/0xbb0 net/core/filter.c:4328
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:723 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x614/0x1610 net/core/dev.c:5492
netif_receive_generic_xdp net/core/dev.c:5608 [inline]
do_xdp_generic+0x92e/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
RIP: 0023:0xf71b71eb
Code: 57 56 53 8b 44 24 14 f6 00 08 75 23 8b 44 24 18 8b 5c 24 1c 8b 4c 24 20 8b 54 24 24 8b 74 24 28 8b 7c 24 2c 8b 6c 24 30 cd 80 <5b> 5e 5f 5d c3 5b 5e 5f 5d e9 f7 a1 ff ff 66 90 66 90 66 90 90 53
RSP: 002b:00000000f546d44c EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000040
RDX: 000000000000fdef RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.1.184 pfn:4b58f
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4b58f
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880210cb000 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 6541, tgid 6540 (syz.1.184), ts 91372416058, free_ts 91023603797
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
prep_new_page mm/page_alloc.c:1867 [inline]
get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946
__alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304
__alloc_pages_noprof mm/page_alloc.c:5338 [inline]
alloc_pages_bulk_noprof+0x5de/0x13c0 mm/page_alloc.c:5230
alloc_pages_bulk_node_noprof include/linux/gfp.h:261 [inline]
__page_pool_alloc_netmems_slow+0x1c6/0xa60 net/core/page_pool.c:619
page_pool_alloc_netmems net/core/page_pool.c:670 [inline]
page_pool_alloc_netmems+0xc4/0x1a0 net/core/page_pool.c:657
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+0xa15/0x1220 net/core/skbuff.c:984
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:1018
netif_skb_check_for_xdp net/core/dev.c:5561 [inline]
netif_receive_generic_xdp net/core/dev.c:5602 [inline]
do_xdp_generic+0x56b/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
page last free pid 6509 tgid 6509 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1406 [inline]
__free_frozen_pages+0x79f/0x1090 mm/page_alloc.c:2950
kvm_mmu_free_memory_cache+0x189/0x2d0 virt/kvm/kvm_main.c:419
mmu_free_memory_caches arch/x86/kvm/mmu/mmu.c:635 [inline]
kvm_mmu_destroy+0x64/0x150 arch/x86/kvm/mmu/mmu.c:7736
kvm_arch_vcpu_destroy+0x282/0x3e0 arch/x86/kvm/x86.c:12911
kvm_vcpu_destroy virt/kvm/kvm_main.c:468 [inline]
kvm_destroy_vcpus+0x24e/0x3c0 virt/kvm/kvm_main.c:488
kvm_arch_destroy_vm+0xd2/0x350 arch/x86/kvm/x86.c:13461
kvm_destroy_vm virt/kvm/kvm_main.c:1294 [inline]
kvm_put_kvm+0x512/0xb10 virt/kvm/kvm_main.c:1331
kvm_vm_release+0x3c/0x50 virt/kvm/kvm_main.c:1354
__fput+0x3ff/0xb50 fs/file_table.c:512
task_work_run+0x150/0x240 kernel/task_work.c:233
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
__exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
exit_to_user_mode_loop+0x1d8/0x6f0 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
__do_fast_syscall_32+0x701/0x970 arch/x86/entry/syscall_32.c:310
do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
Modules linked in:
CPU: 2 UID: 0 PID: 6541 Comm: syz.1.184 Tainted: G B L syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE, [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
bad_page.cold+0xbe/0xdf mm/page_alloc.c:643
free_page_is_bad mm/page_alloc.c:1078 [inline]
free_page_is_bad mm/page_alloc.c:1072 [inline]
__free_pages_prepare mm/page_alloc.c:1397 [inline]
__free_frozen_pages+0x7d1/0x1090 mm/page_alloc.c:2950
page_frag_free+0x199/0x1f0 mm/page_frag_cache.c:169
__xdp_return+0x3b6/0x990 net/core/xdp.c:448
bpf_xdp_shrink_data net/core/filter.c:4289 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4313 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4335 [inline]
bpf_xdp_adjust_tail+0x8a1/0xbb0 net/core/filter.c:4328
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:723 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x614/0x1610 net/core/dev.c:5492
netif_receive_generic_xdp net/core/dev.c:5608 [inline]
do_xdp_generic+0x92e/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
RIP: 0023:0xf71b71eb
Code: 57 56 53 8b 44 24 14 f6 00 08 75 23 8b 44 24 18 8b 5c 24 1c 8b 4c 24 20 8b 54 24 24 8b 74 24 28 8b 7c 24 2c 8b 6c 24 30 cd 80 <5b> 5e 5f 5d c3 5b 5e 5f 5d e9 f7 a1 ff ff 66 90 66 90 66 90 90 53
RSP: 002b:00000000f546d44c EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000040
RDX: 000000000000fdef RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.1.184 pfn:4b58c
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88804b58cd00 pfn:0x4b58c
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880210cb000 0000000000000000
raw: ffff88804b58cd00 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 6541, tgid 6540 (syz.1.184), ts 91372411523, free_ts 91023610722
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
prep_new_page mm/page_alloc.c:1867 [inline]
get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946
__alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304
__alloc_pages_noprof mm/page_alloc.c:5338 [inline]
alloc_pages_bulk_noprof+0x5de/0x13c0 mm/page_alloc.c:5230
alloc_pages_bulk_node_noprof include/linux/gfp.h:261 [inline]
__page_pool_alloc_netmems_slow+0x1c6/0xa60 net/core/page_pool.c:619
page_pool_alloc_netmems net/core/page_pool.c:670 [inline]
page_pool_alloc_netmems+0xc4/0x1a0 net/core/page_pool.c:657
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+0xa15/0x1220 net/core/skbuff.c:984
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:1018
netif_skb_check_for_xdp net/core/dev.c:5561 [inline]
netif_receive_generic_xdp net/core/dev.c:5602 [inline]
do_xdp_generic+0x56b/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
page last free pid 6509 tgid 6509 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1406 [inline]
__free_frozen_pages+0x79f/0x1090 mm/page_alloc.c:2950
kvm_mmu_free_memory_cache+0x189/0x2d0 virt/kvm/kvm_main.c:419
mmu_free_memory_caches arch/x86/kvm/mmu/mmu.c:635 [inline]
kvm_mmu_destroy+0x64/0x150 arch/x86/kvm/mmu/mmu.c:7736
kvm_arch_vcpu_destroy+0x282/0x3e0 arch/x86/kvm/x86.c:12911
kvm_vcpu_destroy virt/kvm/kvm_main.c:468 [inline]
kvm_destroy_vcpus+0x24e/0x3c0 virt/kvm/kvm_main.c:488
kvm_arch_destroy_vm+0xd2/0x350 arch/x86/kvm/x86.c:13461
kvm_destroy_vm virt/kvm/kvm_main.c:1294 [inline]
kvm_put_kvm+0x512/0xb10 virt/kvm/kvm_main.c:1331
kvm_vm_release+0x3c/0x50 virt/kvm/kvm_main.c:1354
__fput+0x3ff/0xb50 fs/file_table.c:512
task_work_run+0x150/0x240 kernel/task_work.c:233
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
__exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
exit_to_user_mode_loop+0x1d8/0x6f0 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
__do_fast_syscall_32+0x701/0x970 arch/x86/entry/syscall_32.c:310
do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
Modules linked in:
CPU: 2 UID: 0 PID: 6541 Comm: syz.1.184 Tainted: G B L syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE, [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
bad_page.cold+0xbe/0xdf mm/page_alloc.c:643
free_page_is_bad mm/page_alloc.c:1078 [inline]
free_page_is_bad mm/page_alloc.c:1072 [inline]
__free_pages_prepare mm/page_alloc.c:1397 [inline]
__free_frozen_pages+0x7d1/0x1090 mm/page_alloc.c:2950
page_frag_free+0x199/0x1f0 mm/page_frag_cache.c:169
__xdp_return+0x3b6/0x990 net/core/xdp.c:448
bpf_xdp_shrink_data net/core/filter.c:4289 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4313 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4335 [inline]
bpf_xdp_adjust_tail+0x8a1/0xbb0 net/core/filter.c:4328
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:723 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x614/0x1610 net/core/dev.c:5492
netif_receive_generic_xdp net/core/dev.c:5608 [inline]
do_xdp_generic+0x92e/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
RIP: 0023:0xf71b71eb
Code: 57 56 53 8b 44 24 14 f6 00 08 75 23 8b 44 24 18 8b 5c 24 1c 8b 4c 24 20 8b 54 24 24 8b 74 24 28 8b 7c 24 2c 8b 6c 24 30 cd 80 <5b> 5e 5f 5d c3 5b 5e 5f 5d e9 f7 a1 ff ff 66 90 66 90 66 90 90 53
RSP: 002b:00000000f546d44c EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000040
RDX: 000000000000fdef RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.1.184 pfn:50687
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88802403b300 pfn:0x50687
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880210cb000 0000000000000000
raw: ffff88802403b300 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 6541, tgid 6540 (syz.1.184), ts 91372406988, free_ts 91023822862
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
prep_new_page mm/page_alloc.c:1867 [inline]
get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946
__alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304
__alloc_pages_noprof mm/page_alloc.c:5338 [inline]
alloc_pages_bulk_noprof+0x5de/0x13c0 mm/page_alloc.c:5230
alloc_pages_bulk_node_noprof include/linux/gfp.h:261 [inline]
__page_pool_alloc_netmems_slow+0x1c6/0xa60 net/core/page_pool.c:619
page_pool_alloc_netmems net/core/page_pool.c:670 [inline]
page_pool_alloc_netmems+0xc4/0x1a0 net/core/page_pool.c:657
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+0xa15/0x1220 net/core/skbuff.c:984
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:1018
netif_skb_check_for_xdp net/core/dev.c:5561 [inline]
netif_receive_generic_xdp net/core/dev.c:5602 [inline]
do_xdp_generic+0x56b/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
page last free pid 6509 tgid 6509 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1406 [inline]
__free_frozen_pages+0x79f/0x1090 mm/page_alloc.c:2950
kvm_arch_vcpu_destroy+0x31a/0x3e0 arch/x86/kvm/x86.c:12913
kvm_vcpu_destroy virt/kvm/kvm_main.c:468 [inline]
kvm_destroy_vcpus+0x24e/0x3c0 virt/kvm/kvm_main.c:488
kvm_arch_destroy_vm+0xd2/0x350 arch/x86/kvm/x86.c:13461
kvm_destroy_vm virt/kvm/kvm_main.c:1294 [inline]
kvm_put_kvm+0x512/0xb10 virt/kvm/kvm_main.c:1331
kvm_vm_release+0x3c/0x50 virt/kvm/kvm_main.c:1354
__fput+0x3ff/0xb50 fs/file_table.c:512
task_work_run+0x150/0x240 kernel/task_work.c:233
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
__exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
exit_to_user_mode_loop+0x1d8/0x6f0 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
__do_fast_syscall_32+0x701/0x970 arch/x86/entry/syscall_32.c:310
do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
Modules linked in:
CPU: 2 UID: 0 PID: 6541 Comm: syz.1.184 Tainted: G B L syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE, [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
bad_page.cold+0xbe/0xdf mm/page_alloc.c:643
free_page_is_bad mm/page_alloc.c:1078 [inline]
free_page_is_bad mm/page_alloc.c:1072 [inline]
__free_pages_prepare mm/page_alloc.c:1397 [inline]
__free_frozen_pages+0x7d1/0x1090 mm/page_alloc.c:2950
page_frag_free+0x199/0x1f0 mm/page_frag_cache.c:169
__xdp_return+0x3b6/0x990 net/core/xdp.c:448
bpf_xdp_shrink_data net/core/filter.c:4289 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4313 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4335 [inline]
bpf_xdp_adjust_tail+0x8a1/0xbb0 net/core/filter.c:4328
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:723 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x614/0x1610 net/core/dev.c:5492
netif_receive_generic_xdp net/core/dev.c:5608 [inline]
do_xdp_generic+0x92e/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
RIP: 0023:0xf71b71eb
Code: 57 56 53 8b 44 24 14 f6 00 08 75 23 8b 44 24 18 8b 5c 24 1c 8b 4c 24 20 8b 54 24 24 8b 74 24 28 8b 7c 24 2c 8b 6c 24 30 cd 80 <5b> 5e 5f 5d c3 5b 5e 5f 5d e9 f7 a1 ff ff 66 90 66 90 66 90 90 53
RSP: 002b:00000000f546d44c EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000040
RDX: 000000000000fdef RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.1.184 pfn:60b6a
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x60b6a
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880210cb000 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 6541, tgid 6540 (syz.1.184), ts 91372397786, free_ts 91023831028
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
prep_new_page mm/page_alloc.c:1867 [inline]
get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946
__alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304
__alloc_pages_noprof mm/page_alloc.c:5338 [inline]
alloc_pages_bulk_noprof+0x5de/0x13c0 mm/page_alloc.c:5230
alloc_pages_bulk_node_noprof include/linux/gfp.h:261 [inline]
__page_pool_alloc_netmems_slow+0x1c6/0xa60 net/core/page_pool.c:619
page_pool_alloc_netmems net/core/page_pool.c:670 [inline]
page_pool_alloc_netmems+0xc4/0x1a0 net/core/page_pool.c:657
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+0xa15/0x1220 net/core/skbuff.c:984
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:1018
netif_skb_check_for_xdp net/core/dev.c:5561 [inline]
netif_receive_generic_xdp net/core/dev.c:5602 [inline]
do_xdp_generic+0x56b/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
page last free pid 6509 tgid 6509 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1406 [inline]
__free_frozen_pages+0x79f/0x1090 mm/page_alloc.c:2950
kvm_vcpu_destroy virt/kvm/kvm_main.c:478 [inline]
kvm_destroy_vcpus+0x2a6/0x3c0 virt/kvm/kvm_main.c:488
kvm_arch_destroy_vm+0xd2/0x350 arch/x86/kvm/x86.c:13461
kvm_destroy_vm virt/kvm/kvm_main.c:1294 [inline]
kvm_put_kvm+0x512/0xb10 virt/kvm/kvm_main.c:1331
kvm_vm_release+0x3c/0x50 virt/kvm/kvm_main.c:1354
__fput+0x3ff/0xb50 fs/file_table.c:512
task_work_run+0x150/0x240 kernel/task_work.c:233
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
__exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
exit_to_user_mode_loop+0x1d8/0x6f0 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
__do_fast_syscall_32+0x701/0x970 arch/x86/entry/syscall_32.c:310
do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
Modules linked in:
CPU: 2 UID: 0 PID: 6541 Comm: syz.1.184 Tainted: G B L syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE, [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
bad_page.cold+0xbe/0xdf mm/page_alloc.c:643
free_page_is_bad mm/page_alloc.c:1078 [inline]
free_page_is_bad mm/page_alloc.c:1072 [inline]
__free_pages_prepare mm/page_alloc.c:1397 [inline]
__free_frozen_pages+0x7d1/0x1090 mm/page_alloc.c:2950
page_frag_free+0x199/0x1f0 mm/page_frag_cache.c:169
__xdp_return+0x3b6/0x990 net/core/xdp.c:448
bpf_xdp_shrink_data net/core/filter.c:4289 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4313 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4335 [inline]
bpf_xdp_adjust_tail+0x8a1/0xbb0 net/core/filter.c:4328
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:723 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x614/0x1610 net/core/dev.c:5492
netif_receive_generic_xdp net/core/dev.c:5608 [inline]
do_xdp_generic+0x92e/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
RIP: 0023:0xf71b71eb
Code: 57 56 53 8b 44 24 14 f6 00 08 75 23 8b 44 24 18 8b 5c 24 1c 8b 4c 24 20 8b 54 24 24 8b 74 24 28 8b 7c 24 2c 8b 6c 24 30 cd 80 <5b> 5e 5f 5d c3 5b 5e 5f 5d e9 f7 a1 ff ff 66 90 66 90 66 90 90 53
RSP: 002b:00000000f546d44c EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000040
RDX: 000000000000fdef RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.1.184 pfn:71761
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x71761
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880210cb000 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 6541, tgid 6540 (syz.1.184), ts 91372393445, free_ts 91059171544
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
prep_new_page mm/page_alloc.c:1867 [inline]
get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946
__alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304
__alloc_pages_noprof mm/page_alloc.c:5338 [inline]
alloc_pages_bulk_noprof+0x5de/0x13c0 mm/page_alloc.c:5230
alloc_pages_bulk_node_noprof include/linux/gfp.h:261 [inline]
__page_pool_alloc_netmems_slow+0x1c6/0xa60 net/core/page_pool.c:619
page_pool_alloc_netmems net/core/page_pool.c:670 [inline]
page_pool_alloc_netmems+0xc4/0x1a0 net/core/page_pool.c:657
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+0xa15/0x1220 net/core/skbuff.c:984
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:1018
netif_skb_check_for_xdp net/core/dev.c:5561 [inline]
netif_receive_generic_xdp net/core/dev.c:5602 [inline]
do_xdp_generic+0x56b/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
page last free pid 0 tgid 0 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1406 [inline]
__free_frozen_pages+0x79f/0x1090 mm/page_alloc.c:2950
__tdp_mmu_free_sp arch/x86/kvm/mmu/tdp_mmu.c:58 [inline]
tdp_mmu_free_sp_rcu_callback+0x62/0xc0 arch/x86/kvm/mmu/tdp_mmu.c:82
rcu_do_batch kernel/rcu/tree.c:2645 [inline]
rcu_core+0x5a2/0x10d0 kernel/rcu/tree.c:2897
handle_softirqs+0x1ea/0x9b0 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x162/0x210 kernel/softirq.c:735
irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
Modules linked in:
CPU: 2 UID: 0 PID: 6541 Comm: syz.1.184 Tainted: G B L syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE, [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
bad_page.cold+0xbe/0xdf mm/page_alloc.c:643
free_page_is_bad mm/page_alloc.c:1078 [inline]
free_page_is_bad mm/page_alloc.c:1072 [inline]
__free_pages_prepare mm/page_alloc.c:1397 [inline]
__free_frozen_pages+0x7d1/0x1090 mm/page_alloc.c:2950
page_frag_free+0x199/0x1f0 mm/page_frag_cache.c:169
__xdp_return+0x3b6/0x990 net/core/xdp.c:448
bpf_xdp_shrink_data net/core/filter.c:4289 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4313 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4335 [inline]
bpf_xdp_adjust_tail+0x8a1/0xbb0 net/core/filter.c:4328
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:723 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x614/0x1610 net/core/dev.c:5492
netif_receive_generic_xdp net/core/dev.c:5608 [inline]
do_xdp_generic+0x92e/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
RIP: 0023:0xf71b71eb
Code: 57 56 53 8b 44 24 14 f6 00 08 75 23 8b 44 24 18 8b 5c 24 1c 8b 4c 24 20 8b 54 24 24 8b 74 24 28 8b 7c 24 2c 8b 6c 24 30 cd 80 <5b> 5e 5f 5d c3 5b 5e 5f 5d e9 f7 a1 ff ff 66 90 66 90 66 90 90 53
RSP: 002b:00000000f546d44c EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000040
RDX: 000000000000fdef RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.1.184 pfn:537d8
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880537d8c00 pfn:0x537d8
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880210cb000 0000000000000000
raw: ffff8880537d8c00 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 6541, tgid 6540 (syz.1.184), ts 91372386753, free_ts 91059186917
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
prep_new_page mm/page_alloc.c:1867 [inline]
get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946
__alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304
__alloc_pages_noprof mm/page_alloc.c:5338 [inline]
alloc_pages_bulk_noprof+0x5de/0x13c0 mm/page_alloc.c:5230
alloc_pages_bulk_node_noprof include/linux/gfp.h:261 [inline]
__page_pool_alloc_netmems_slow+0x1c6/0xa60 net/core/page_pool.c:619
page_pool_alloc_netmems net/core/page_pool.c:670 [inline]
page_pool_alloc_netmems+0xc4/0x1a0 net/core/page_pool.c:657
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+0xa15/0x1220 net/core/skbuff.c:984
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:1018
netif_skb_check_for_xdp net/core/dev.c:5561 [inline]
netif_receive_generic_xdp net/core/dev.c:5602 [inline]
do_xdp_generic+0x56b/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
page last free pid 0 tgid 0 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1406 [inline]
__free_frozen_pages+0x79f/0x1090 mm/page_alloc.c:2950
__tdp_mmu_free_sp arch/x86/kvm/mmu/tdp_mmu.c:58 [inline]
tdp_mmu_free_sp_rcu_callback+0x62/0xc0 arch/x86/kvm/mmu/tdp_mmu.c:82
rcu_do_batch kernel/rcu/tree.c:2645 [inline]
rcu_core+0x5a2/0x10d0 kernel/rcu/tree.c:2897
handle_softirqs+0x1ea/0x9b0 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x162/0x210 kernel/softirq.c:735
irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
Modules linked in:
CPU: 2 UID: 0 PID: 6541 Comm: syz.1.184 Tainted: G B L syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE, [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
bad_page.cold+0xbe/0xdf mm/page_alloc.c:643
free_page_is_bad mm/page_alloc.c:1078 [inline]
free_page_is_bad mm/page_alloc.c:1072 [inline]
__free_pages_prepare mm/page_alloc.c:1397 [inline]
__free_frozen_pages+0x7d1/0x1090 mm/page_alloc.c:2950
page_frag_free+0x199/0x1f0 mm/page_frag_cache.c:169
__xdp_return+0x3b6/0x990 net/core/xdp.c:448
bpf_xdp_shrink_data net/core/filter.c:4289 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4313 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4335 [inline]
bpf_xdp_adjust_tail+0x8a1/0xbb0 net/core/filter.c:4328
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:723 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x614/0x1610 net/core/dev.c:5492
netif_receive_generic_xdp net/core/dev.c:5608 [inline]
do_xdp_generic+0x92e/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
RIP: 0023:0xf71b71eb
Code: 57 56 53 8b 44 24 14 f6 00 08 75 23 8b 44 24 18 8b 5c 24 1c 8b 4c 24 20 8b 54 24 24 8b 74 24 28 8b 7c 24 2c 8b 6c 24 30 cd 80 <5b> 5e 5f 5d c3 5b 5e 5f 5d e9 f7 a1 ff ff 66 90 66 90 66 90 90 53
RSP: 002b:00000000f546d44c EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000040
RDX: 000000000000fdef RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.1.184 pfn:4d0a9
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888000000000 pfn:0x4d0a9
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000040 ffff8880210cb000 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 6541, tgid 6540 (syz.1.184), ts 91372332787, free_ts 91059200403
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
prep_new_page mm/page_alloc.c:1867 [inline]
get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946
__alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304
__alloc_pages_noprof mm/page_alloc.c:5338 [inline]
alloc_pages_bulk_noprof+0x5de/0x13c0 mm/page_alloc.c:5230
alloc_pages_bulk_node_noprof include/linux/gfp.h:261 [inline]
__page_pool_alloc_netmems_slow+0x1c6/0xa60 net/core/page_pool.c:619
page_pool_alloc_netmems net/core/page_pool.c:670 [inline]
page_pool_alloc_netmems+0xc4/0x1a0 net/core/page_pool.c:657
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+0xa15/0x1220 net/core/skbuff.c:984
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:1018
netif_skb_check_for_xdp net/core/dev.c:5561 [inline]
netif_receive_generic_xdp net/core/dev.c:5602 [inline]
do_xdp_generic+0x56b/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
page last free pid 0 tgid 0 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1406 [inline]
__free_frozen_pages+0x79f/0x1090 mm/page_alloc.c:2950
__tdp_mmu_free_sp arch/x86/kvm/mmu/tdp_mmu.c:58 [inline]
tdp_mmu_free_sp_rcu_callback+0x62/0xc0 arch/x86/kvm/mmu/tdp_mmu.c:82
rcu_do_batch kernel/rcu/tree.c:2645 [inline]
rcu_core+0x5a2/0x10d0 kernel/rcu/tree.c:2897
handle_softirqs+0x1ea/0x9b0 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x162/0x210 kernel/softirq.c:735
irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
Modules linked in:
CPU: 2 UID: 0 PID: 6541 Comm: syz.1.184 Tainted: G B L syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE, [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
bad_page.cold+0xbe/0xdf mm/page_alloc.c:643
free_page_is_bad mm/page_alloc.c:1078 [inline]
free_page_is_bad mm/page_alloc.c:1072 [inline]
__free_pages_prepare mm/page_alloc.c:1397 [inline]
__free_frozen_pages+0x7d1/0x1090 mm/page_alloc.c:2950
page_frag_free+0x199/0x1f0 mm/page_frag_cache.c:169
__xdp_return+0x3b6/0x990 net/core/xdp.c:448
bpf_xdp_shrink_data net/core/filter.c:4289 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4313 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4335 [inline]
bpf_xdp_adjust_tail+0x8a1/0xbb0 net/core/filter.c:4328
bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:723 [inline]
bpf_prog_run_xdp include/net/xdp.h:696 [inline]
bpf_prog_run_generic_xdp+0x614/0x1610 net/core/dev.c:5492
netif_receive_generic_xdp net/core/dev.c:5608 [inline]
do_xdp_generic+0x92e/0x12c0 net/core/dev.c:5670
tun_get_user+0x1c1c/0x3c20 drivers/net/tun.c:1905
tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2032
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
do_int80_emulation+0x14b/0x720 arch/x86/entry/syscall_32.c:172
asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598
RIP: 0023:0xf71b71eb
Code: 57 56 53 8b 44 24 14 f6 00 08 75 23 8b 44 24 18 8b 5c 24 1c 8b 4c 24 20 8b 54 24 24 8b 74 24 28 8b 7c 24 2c 8b 6c 24 30 cd 80 <5b> 5e 5f 5d c3 5b 5e 5f 5d e9 f7 a1 ff ff 66 90 66 90 66 90 90 53
RSP: 002b:00000000f546d44c EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000040
RDX: 000000000000fdef RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
----------------
Code disassembly (best guess):
0: 57 push %rdi
1: 56 push %rsi
2: 53 push %rbx
3: 8b 44 24 14 mov 0x14(%rsp),%eax
7: f6 00 08 testb $0x8,(%rax)
a: 75 23 jne 0x2f
c: 8b 44 24 18 mov 0x18(%rsp),%eax
10: 8b 5c 24 1c mov 0x1c(%rsp),%ebx
14: 8b 4c 24 20 mov 0x20(%rsp),%ecx
18: 8b 54 24 24 mov 0x24(%rsp),%edx
1c: 8b 74 24 28 mov 0x28(%rsp),%esi
20: 8b 7c 24 2c mov 0x2c(%rsp),%edi
24: 8b 6c 24 30 mov 0x30(%rsp),%ebp
28: cd 80 int $0x80
* 2a: 5b pop %rbx <-- trapping instruction
2b: 5e pop %rsi
2c: 5f pop %rdi
2d: 5d pop %rbp
2e: c3 ret
2f: 5b pop %rbx
30: 5e pop %rsi
31: 5f pop %rdi
32: 5d pop %rbp
33: e9 f7 a1 ff ff jmp 0xffffa22f
38: 66 90 xchg %ax,%ax
3a: 66 90 xchg %ax,%ax
3c: 66 90 xchg %ax,%ax
3e: 90 nop
3f: 53 push %rbx