BUG: Bad page state in process syz.2.19 pfn:229c2
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x229c2
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801f2d7000 0000000000000000
raw: 0000000000000000 3fffffffffffffff 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 6073, tgid 6072 (syz.2.19), ts 52288562878, free_ts 19324336141
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
page_pool_alloc_frag_netmem+0x220/0x760 net/core/page_pool.c:998
page_pool_alloc_netmem include/net/page_pool/helpers.h:131 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0x571/0xf10 net/core/skbuff.c:893
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
netif_receive_generic_xdp net/core/dev.c:5298 [inline]
do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
page last free pid 5367 tgid 5367 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
free_pipe_info+0x2b3/0x3f0 fs/pipe.c:862
put_pipe_info fs/pipe.c:720 [inline]
pipe_release+0x2bf/0x320 fs/pipe.c:743
__fput+0x3ff/0xb70 fs/file_table.c:465
fput_close_sync+0x15f/0x1e0 fs/file_table.c:570
__do_sys_close fs/open.c:1581 [inline]
__se_sys_close fs/open.c:1566 [inline]
__x64_sys_close+0x8b/0x120 fs/open.c:1566
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 3 UID: 0 PID: 6073 Comm: syz.2.19 Not tainted 6.14.0-syzkaller-00624-g2f2d52945852 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
bad_page+0xb3/0x1f0 mm/page_alloc.c:501
free_page_is_bad_report mm/page_alloc.c:913 [inline]
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
__xdp_return+0x363/0xac0 net/core/xdp.c:447
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:692 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191
netif_receive_generic_xdp net/core/dev.c:5304 [inline]
do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7fb4579
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:00000000f50d6520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000a80
RDX: 000000000000fdef RSI: 00000000f743cff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.19 pfn:2572e
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2572e
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801f2d7000 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 6073, tgid 6072 (syz.2.19), ts 52288558625, free_ts 19361521118
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
netif_receive_generic_xdp net/core/dev.c:5298 [inline]
do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
page last free pid 30 tgid 30 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
pagetable_free include/linux/mm.h:2923 [inline]
pagetable_dtor_free include/linux/mm.h:3021 [inline]
__tlb_remove_table include/asm-generic/tlb.h:216 [inline]
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:282
rcu_do_batch kernel/rcu/tree.c:2546 [inline]
rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
run_ksoftirqd kernel/softirq.c:950 [inline]
run_ksoftirqd+0x3a/0x60 kernel/softirq.c:942
smpboot_thread_fn+0x661/0xa30 kernel/smpboot.c:164
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Modules linked in:
CPU: 3 UID: 0 PID: 6073 Comm: syz.2.19 Tainted: G B 6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
bad_page+0xb3/0x1f0 mm/page_alloc.c:501
free_page_is_bad_report mm/page_alloc.c:913 [inline]
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
__xdp_return+0x363/0xac0 net/core/xdp.c:447
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:692 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191
netif_receive_generic_xdp net/core/dev.c:5304 [inline]
do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7fb4579
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:00000000f50d6520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000a80
RDX: 000000000000fdef RSI: 00000000f743cff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.19 pfn:23856
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x23856
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801f2d7000 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 6073, tgid 6072 (syz.2.19), ts 52288554626, free_ts 19361531568
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
netif_receive_generic_xdp net/core/dev.c:5298 [inline]
do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
page last free pid 30 tgid 30 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
pagetable_free include/linux/mm.h:2923 [inline]
pagetable_dtor_free include/linux/mm.h:3021 [inline]
__tlb_remove_table include/asm-generic/tlb.h:216 [inline]
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:282
rcu_do_batch kernel/rcu/tree.c:2546 [inline]
rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
run_ksoftirqd kernel/softirq.c:950 [inline]
run_ksoftirqd+0x3a/0x60 kernel/softirq.c:942
smpboot_thread_fn+0x661/0xa30 kernel/smpboot.c:164
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Modules linked in:
CPU: 3 UID: 0 PID: 6073 Comm: syz.2.19 Tainted: G B 6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
bad_page+0xb3/0x1f0 mm/page_alloc.c:501
free_page_is_bad_report mm/page_alloc.c:913 [inline]
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
__xdp_return+0x363/0xac0 net/core/xdp.c:447
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:692 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191
netif_receive_generic_xdp net/core/dev.c:5304 [inline]
do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7fb4579
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:00000000f50d6520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000a80
RDX: 000000000000fdef RSI: 00000000f743cff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.19 pfn:22278
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888022278000 pfn:0x22278
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801f2d7000 0000000000000000
raw: ffff888022278000 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 6073, tgid 6072 (syz.2.19), ts 52288550443, free_ts 19361534755
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
netif_receive_generic_xdp net/core/dev.c:5298 [inline]
do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
page last free pid 30 tgid 30 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
pagetable_free include/linux/mm.h:2923 [inline]
pagetable_dtor_free include/linux/mm.h:3021 [inline]
__tlb_remove_table include/asm-generic/tlb.h:216 [inline]
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:282
rcu_do_batch kernel/rcu/tree.c:2546 [inline]
rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
run_ksoftirqd kernel/softirq.c:950 [inline]
run_ksoftirqd+0x3a/0x60 kernel/softirq.c:942
smpboot_thread_fn+0x661/0xa30 kernel/smpboot.c:164
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Modules linked in:
CPU: 3 UID: 0 PID: 6073 Comm: syz.2.19 Tainted: G B 6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
bad_page+0xb3/0x1f0 mm/page_alloc.c:501
free_page_is_bad_report mm/page_alloc.c:913 [inline]
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
__xdp_return+0x363/0xac0 net/core/xdp.c:447
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:692 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191
netif_receive_generic_xdp net/core/dev.c:5304 [inline]
do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7fb4579
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:00000000f50d6520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000a80
RDX: 000000000000fdef RSI: 00000000f743cff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.19 pfn:26012
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x26012
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801f2d7000 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 6073, tgid 6072 (syz.2.19), ts 52288539225, free_ts 19361539894
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
netif_receive_generic_xdp net/core/dev.c:5298 [inline]
do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
page last free pid 30 tgid 30 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
pagetable_free include/linux/mm.h:2923 [inline]
pagetable_dtor_free include/linux/mm.h:3021 [inline]
__tlb_remove_table include/asm-generic/tlb.h:216 [inline]
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:282
rcu_do_batch kernel/rcu/tree.c:2546 [inline]
rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
run_ksoftirqd kernel/softirq.c:950 [inline]
run_ksoftirqd+0x3a/0x60 kernel/softirq.c:942
smpboot_thread_fn+0x661/0xa30 kernel/smpboot.c:164
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Modules linked in:
CPU: 3 UID: 0 PID: 6073 Comm: syz.2.19 Tainted: G B 6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
bad_page+0xb3/0x1f0 mm/page_alloc.c:501
free_page_is_bad_report mm/page_alloc.c:913 [inline]
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
__xdp_return+0x363/0xac0 net/core/xdp.c:447
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:692 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191
netif_receive_generic_xdp net/core/dev.c:5304 [inline]
do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7fb4579
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:00000000f50d6520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000a80
RDX: 000000000000fdef RSI: 00000000f743cff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.19 pfn:229d8
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x229d8
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801f2d7000 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 6073, tgid 6072 (syz.2.19), ts 52288534984, free_ts 28311035755
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
netif_receive_generic_xdp net/core/dev.c:5298 [inline]
do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
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:1127 [inline]
free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
pagetable_free include/linux/mm.h:2923 [inline]
pagetable_dtor_free include/linux/mm.h:3021 [inline]
__tlb_remove_table include/asm-generic/tlb.h:216 [inline]
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:282
rcu_do_batch kernel/rcu/tree.c:2546 [inline]
rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
__do_softirq kernel/softirq.c:595 [inline]
invoke_softirq kernel/softirq.c:435 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
Modules linked in:
CPU: 3 UID: 0 PID: 6073 Comm: syz.2.19 Tainted: G B 6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
bad_page+0xb3/0x1f0 mm/page_alloc.c:501
free_page_is_bad_report mm/page_alloc.c:913 [inline]
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
__xdp_return+0x363/0xac0 net/core/xdp.c:447
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:692 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191
netif_receive_generic_xdp net/core/dev.c:5304 [inline]
do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7fb4579
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:00000000f50d6520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000a80
RDX: 000000000000fdef RSI: 00000000f743cff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.19 pfn:26277
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888026277700 pfn:0x26277
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801f2d7000 0000000000000000
raw: ffff888026277700 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 6073, tgid 6072 (syz.2.19), ts 52288530914, free_ts 28311039746
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
netif_receive_generic_xdp net/core/dev.c:5298 [inline]
do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
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:1127 [inline]
free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
rcu_do_batch kernel/rcu/tree.c:2546 [inline]
rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
__do_softirq kernel/softirq.c:595 [inline]
invoke_softirq kernel/softirq.c:435 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
Modules linked in:
CPU: 3 UID: 0 PID: 6073 Comm: syz.2.19 Tainted: G B 6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
bad_page+0xb3/0x1f0 mm/page_alloc.c:501
free_page_is_bad_report mm/page_alloc.c:913 [inline]
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
__xdp_return+0x363/0xac0 net/core/xdp.c:447
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:692 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191
netif_receive_generic_xdp net/core/dev.c:5304 [inline]
do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7fb4579
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:00000000f50d6520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000a80
RDX: 000000000000fdef RSI: 00000000f743cff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.19 pfn:23d45
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x23d45
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801f2d7000 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 6073, tgid 6072 (syz.2.19), ts 52288526466, free_ts 28311051846
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
netif_receive_generic_xdp net/core/dev.c:5298 [inline]
do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
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:1127 [inline]
free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
pagetable_free include/linux/mm.h:2923 [inline]
pagetable_dtor_free include/linux/mm.h:3021 [inline]
__tlb_remove_table include/asm-generic/tlb.h:216 [inline]
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:282
rcu_do_batch kernel/rcu/tree.c:2546 [inline]
rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
__do_softirq kernel/softirq.c:595 [inline]
invoke_softirq kernel/softirq.c:435 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
Modules linked in:
CPU: 3 UID: 0 PID: 6073 Comm: syz.2.19 Tainted: G B 6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
bad_page+0xb3/0x1f0 mm/page_alloc.c:501
free_page_is_bad_report mm/page_alloc.c:913 [inline]
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
__xdp_return+0x363/0xac0 net/core/xdp.c:447
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:692 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191
netif_receive_generic_xdp net/core/dev.c:5304 [inline]
do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7fb4579
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:00000000f50d6520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000a80
RDX: 000000000000fdef RSI: 00000000f743cff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.19 pfn:258b6
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x258b6
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801f2d7000 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 6073, tgid 6072 (syz.2.19), ts 52288522520, free_ts 28311057698
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
netif_receive_generic_xdp net/core/dev.c:5298 [inline]
do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
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:1127 [inline]
free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
pagetable_free include/linux/mm.h:2923 [inline]
pagetable_dtor_free include/linux/mm.h:3021 [inline]
__tlb_remove_table include/asm-generic/tlb.h:216 [inline]
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:282
rcu_do_batch kernel/rcu/tree.c:2546 [inline]
rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
__do_softirq kernel/softirq.c:595 [inline]
invoke_softirq kernel/softirq.c:435 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
Modules linked in:
CPU: 3 UID: 0 PID: 6073 Comm: syz.2.19 Tainted: G B 6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
bad_page+0xb3/0x1f0 mm/page_alloc.c:501
free_page_is_bad_report mm/page_alloc.c:913 [inline]
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
__xdp_return+0x363/0xac0 net/core/xdp.c:447
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:692 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191
netif_receive_generic_xdp net/core/dev.c:5304 [inline]
do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7fb4579
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:00000000f50d6520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000a80
RDX: 000000000000fdef RSI: 00000000f743cff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.19 pfn:20194
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888020194c30 pfn:0x20194
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801f2d7000 0000000000000000
raw: ffff888020194c30 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 6073, tgid 6072 (syz.2.19), ts 52288517977, free_ts 28311061275
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
netif_receive_generic_xdp net/core/dev.c:5298 [inline]
do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
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:1127 [inline]
free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
rcu_do_batch kernel/rcu/tree.c:2546 [inline]
rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
__do_softirq kernel/softirq.c:595 [inline]
invoke_softirq kernel/softirq.c:435 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
Modules linked in:
CPU: 3 UID: 0 PID: 6073 Comm: syz.2.19 Tainted: G B 6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
bad_page+0xb3/0x1f0 mm/page_alloc.c:501
free_page_is_bad_report mm/page_alloc.c:913 [inline]
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
__xdp_return+0x363/0xac0 net/core/xdp.c:447
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:692 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191
netif_receive_generic_xdp net/core/dev.c:5304 [inline]
do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7fb4579
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:00000000f50d6520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000a80
RDX: 000000000000fdef RSI: 00000000f743cff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.19 pfn:2590e
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2590e
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801f2d7000 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 6073, tgid 6072 (syz.2.19), ts 52288513972, free_ts 28311648838
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
netif_receive_generic_xdp net/core/dev.c:5298 [inline]
do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
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:1127 [inline]
free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
pagetable_free include/linux/mm.h:2923 [inline]
pagetable_dtor_free include/linux/mm.h:3021 [inline]
__tlb_remove_table include/asm-generic/tlb.h:216 [inline]
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:282
rcu_do_batch kernel/rcu/tree.c:2546 [inline]
rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
__do_softirq kernel/softirq.c:595 [inline]
invoke_softirq kernel/softirq.c:435 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
Modules linked in:
CPU: 3 UID: 0 PID: 6073 Comm: syz.2.19 Tainted: G B 6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
bad_page+0xb3/0x1f0 mm/page_alloc.c:501
free_page_is_bad_report mm/page_alloc.c:913 [inline]
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
__xdp_return+0x363/0xac0 net/core/xdp.c:447
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:692 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191
netif_receive_generic_xdp net/core/dev.c:5304 [inline]
do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7fb4579
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:00000000f50d6520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000a80
RDX: 000000000000fdef RSI: 00000000f743cff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: Bad page state in process syz.2.19 pfn:25391
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x25391
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801f2d7000 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 6073, tgid 6072 (syz.2.19), ts 52288509798, free_ts 28311654886
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
netif_skb_check_for_xdp net/core/dev.c:5259 [inline]
netif_receive_generic_xdp net/core/dev.c:5298 [inline]
do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
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:1127 [inline]
free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
pagetable_free include/linux/mm.h:2923 [inline]
pagetable_dtor_free include/linux/mm.h:3021 [inline]
__tlb_remove_table include/asm-generic/tlb.h:216 [inline]
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:282
rcu_do_batch kernel/rcu/tree.c:2546 [inline]
rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
__do_softirq kernel/softirq.c:595 [inline]
invoke_softirq kernel/softirq.c:435 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
Modules linked in:
CPU: 3 UID: 0 PID: 6073 Comm: syz.2.19 Tainted: G B 6.14.0-syzkaller-00624-g2f2d52945852 #0
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
bad_page+0xb3/0x1f0 mm/page_alloc.c:501
free_page_is_bad_report mm/page_alloc.c:913 [inline]
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
__xdp_return+0x363/0xac0 net/core/xdp.c:447
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:692 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191
netif_receive_generic_xdp net/core/dev.c:5304 [inline]
do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366
tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929
tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:684
ksys_write+0x12b/0x250 fs/read_write.c:736
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7fb4579
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:00000000f50d6520 EFLAGS: 00000293 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00000000000000c8 RCX: 0000000080000a80
RDX: 000000000000fdef RSI: 00000000f743cff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 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