BUG: Bad page state in process syz.0.15 pfn:34164
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888034164d90 pfn:0x34164
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226b8000 0000000000000000
raw: ffff888034164d90 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 6616, tgid 6614 (syz.0.15), ts 117474981956, free_ts 117459551300
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
netif_skb_check_for_xdp net/core/dev.c:5256 [inline]
netif_receive_generic_xdp net/core/dev.c:5295 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
page last free pid 5196 tgid 5196 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0xe04/0x10e0 mm/page_alloc.c:2660
__slab_free+0x2c2/0x380 mm/slub.c:4520
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4115 [inline]
slab_alloc_node mm/slub.c:4164 [inline]
__kmalloc_cache_noprof+0x1d9/0x390 mm/slub.c:4320
kmalloc_noprof include/linux/slab.h:901 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
kernfs_fop_open+0x3e0/0xd10 fs/kernfs/file.c:623
do_dentry_open+0xdec/0x1960 fs/open.c:956
vfs_open+0x3b/0x370 fs/open.c:1086
do_open fs/namei.c:3830 [inline]
path_openat+0x2c81/0x3590 fs/namei.c:3989
do_filp_open+0x27f/0x4e0 fs/namei.c:4016
do_sys_openat2+0x13e/0x1d0 fs/open.c:1428
do_sys_open fs/open.c:1443 [inline]
__do_sys_openat fs/open.c:1459 [inline]
__se_sys_openat fs/open.c:1454 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1454
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 0 UID: 0 PID: 6616 Comm: syz.0.15 Not tainted 6.14.0-rc6-syzkaller-gb7f94fcf5546 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x1079/0x10e0 mm/page_alloc.c:2660
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5188
netif_receive_generic_xdp net/core/dev.c:5301 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc3da57e98f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fc3db388020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc3da745fa0 RCX: 00007fc3da57e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007fc3da5f3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc3da745fa0 R15: 00007ffe7d632228
BUG: Bad page state in process syz.0.15 pfn:6bd39
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88806bd39d80 pfn:0x6bd39
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226b8000 0000000000000000
raw: ffff88806bd39d80 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 6616, tgid 6614 (syz.0.15), ts 117474970660, free_ts 117459578205
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
netif_skb_check_for_xdp net/core/dev.c:5256 [inline]
netif_receive_generic_xdp net/core/dev.c:5295 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
page last free pid 5196 tgid 5196 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0xe04/0x10e0 mm/page_alloc.c:2660
__slab_free+0x2c2/0x380 mm/slub.c:4520
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4115 [inline]
slab_alloc_node mm/slub.c:4164 [inline]
__kmalloc_cache_noprof+0x1d9/0x390 mm/slub.c:4320
kmalloc_noprof include/linux/slab.h:901 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
kernfs_fop_open+0x3e0/0xd10 fs/kernfs/file.c:623
do_dentry_open+0xdec/0x1960 fs/open.c:956
vfs_open+0x3b/0x370 fs/open.c:1086
do_open fs/namei.c:3830 [inline]
path_openat+0x2c81/0x3590 fs/namei.c:3989
do_filp_open+0x27f/0x4e0 fs/namei.c:4016
do_sys_openat2+0x13e/0x1d0 fs/open.c:1428
do_sys_open fs/open.c:1443 [inline]
__do_sys_openat fs/open.c:1459 [inline]
__se_sys_openat fs/open.c:1454 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1454
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 0 UID: 0 PID: 6616 Comm: syz.0.15 Tainted: G B 6.14.0-rc6-syzkaller-gb7f94fcf5546 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x1079/0x10e0 mm/page_alloc.c:2660
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5188
netif_receive_generic_xdp net/core/dev.c:5301 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc3da57e98f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fc3db388020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc3da745fa0 RCX: 00007fc3da57e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007fc3da5f3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc3da745fa0 R15: 00007ffe7d632228
BUG: Bad page state in process syz.0.15 pfn:337a3
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880337a3d90 pfn:0x337a3
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226b8000 0000000000000000
raw: ffff8880337a3d90 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 6616, tgid 6614 (syz.0.15), ts 117474959644, free_ts 117459600002
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
netif_skb_check_for_xdp net/core/dev.c:5256 [inline]
netif_receive_generic_xdp net/core/dev.c:5295 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
page last free pid 5196 tgid 5196 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0xe04/0x10e0 mm/page_alloc.c:2660
__slab_free+0x2c2/0x380 mm/slub.c:4520
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4115 [inline]
slab_alloc_node mm/slub.c:4164 [inline]
__kmalloc_cache_noprof+0x1d9/0x390 mm/slub.c:4320
kmalloc_noprof include/linux/slab.h:901 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
kernfs_fop_open+0x3e0/0xd10 fs/kernfs/file.c:623
do_dentry_open+0xdec/0x1960 fs/open.c:956
vfs_open+0x3b/0x370 fs/open.c:1086
do_open fs/namei.c:3830 [inline]
path_openat+0x2c81/0x3590 fs/namei.c:3989
do_filp_open+0x27f/0x4e0 fs/namei.c:4016
do_sys_openat2+0x13e/0x1d0 fs/open.c:1428
do_sys_open fs/open.c:1443 [inline]
__do_sys_openat fs/open.c:1459 [inline]
__se_sys_openat fs/open.c:1454 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1454
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 0 UID: 0 PID: 6616 Comm: syz.0.15 Tainted: G B 6.14.0-rc6-syzkaller-gb7f94fcf5546 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x1079/0x10e0 mm/page_alloc.c:2660
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5188
netif_receive_generic_xdp net/core/dev.c:5301 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc3da57e98f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fc3db388020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc3da745fa0 RCX: 00007fc3da57e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007fc3da5f3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc3da745fa0 R15: 00007ffe7d632228
BUG: Bad page state in process syz.0.15 pfn:2fd59
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88802fd59e58 pfn:0x2fd59
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226b8000 0000000000000000
raw: ffff88802fd59e58 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 6616, tgid 6614 (syz.0.15), ts 117474948638, free_ts 117459634797
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
netif_skb_check_for_xdp net/core/dev.c:5256 [inline]
netif_receive_generic_xdp net/core/dev.c:5295 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
page last free pid 5196 tgid 5196 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0xe04/0x10e0 mm/page_alloc.c:2660
__slab_free+0x2c2/0x380 mm/slub.c:4520
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4115 [inline]
slab_alloc_node mm/slub.c:4164 [inline]
__kmalloc_cache_noprof+0x1d9/0x390 mm/slub.c:4320
kmalloc_noprof include/linux/slab.h:901 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
kernfs_fop_open+0x3e0/0xd10 fs/kernfs/file.c:623
do_dentry_open+0xdec/0x1960 fs/open.c:956
vfs_open+0x3b/0x370 fs/open.c:1086
do_open fs/namei.c:3830 [inline]
path_openat+0x2c81/0x3590 fs/namei.c:3989
do_filp_open+0x27f/0x4e0 fs/namei.c:4016
do_sys_openat2+0x13e/0x1d0 fs/open.c:1428
do_sys_open fs/open.c:1443 [inline]
__do_sys_openat fs/open.c:1459 [inline]
__se_sys_openat fs/open.c:1454 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1454
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 0 UID: 0 PID: 6616 Comm: syz.0.15 Tainted: G B 6.14.0-rc6-syzkaller-gb7f94fcf5546 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x1079/0x10e0 mm/page_alloc.c:2660
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5188
netif_receive_generic_xdp net/core/dev.c:5301 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc3da57e98f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fc3db388020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc3da745fa0 RCX: 00007fc3da57e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007fc3da5f3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc3da745fa0 R15: 00007ffe7d632228
BUG: Bad page state in process syz.0.15 pfn:2fd4e
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88802fd4ee88 pfn:0x2fd4e
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226b8000 0000000000000000
raw: ffff88802fd4ee88 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 6616, tgid 6614 (syz.0.15), ts 117474937440, free_ts 117459653563
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
netif_skb_check_for_xdp net/core/dev.c:5256 [inline]
netif_receive_generic_xdp net/core/dev.c:5295 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
page last free pid 5196 tgid 5196 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0xe04/0x10e0 mm/page_alloc.c:2660
__slab_free+0x2c2/0x380 mm/slub.c:4520
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4115 [inline]
slab_alloc_node mm/slub.c:4164 [inline]
__kmalloc_cache_noprof+0x1d9/0x390 mm/slub.c:4320
kmalloc_noprof include/linux/slab.h:901 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
kernfs_fop_open+0x3e0/0xd10 fs/kernfs/file.c:623
do_dentry_open+0xdec/0x1960 fs/open.c:956
vfs_open+0x3b/0x370 fs/open.c:1086
do_open fs/namei.c:3830 [inline]
path_openat+0x2c81/0x3590 fs/namei.c:3989
do_filp_open+0x27f/0x4e0 fs/namei.c:4016
do_sys_openat2+0x13e/0x1d0 fs/open.c:1428
do_sys_open fs/open.c:1443 [inline]
__do_sys_openat fs/open.c:1459 [inline]
__se_sys_openat fs/open.c:1454 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1454
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 0 UID: 0 PID: 6616 Comm: syz.0.15 Tainted: G B 6.14.0-rc6-syzkaller-gb7f94fcf5546 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x1079/0x10e0 mm/page_alloc.c:2660
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5188
netif_receive_generic_xdp net/core/dev.c:5301 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc3da57e98f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fc3db388020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc3da745fa0 RCX: 00007fc3da57e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007fc3da5f3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc3da745fa0 R15: 00007ffe7d632228
BUG: Bad page state in process syz.0.15 pfn:29b1b
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888029b1b0f8 pfn:0x29b1b
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226b8000 0000000000000000
raw: ffff888029b1b0f8 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 6616, tgid 6614 (syz.0.15), ts 117474926909, free_ts 117459837159
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
netif_skb_check_for_xdp net/core/dev.c:5256 [inline]
netif_receive_generic_xdp net/core/dev.c:5295 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
page last free pid 5196 tgid 5196 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0xe04/0x10e0 mm/page_alloc.c:2660
discard_slab mm/slub.c:2684 [inline]
__put_partials+0x160/0x1c0 mm/slub.c:3153
put_cpu_partial+0x17c/0x250 mm/slub.c:3228
__slab_free+0x290/0x380 mm/slub.c:4479
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4115 [inline]
slab_alloc_node mm/slub.c:4164 [inline]
__kmalloc_cache_noprof+0x1d9/0x390 mm/slub.c:4320
kmalloc_noprof include/linux/slab.h:901 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
kernfs_fop_open+0x3e0/0xd10 fs/kernfs/file.c:623
do_dentry_open+0xdec/0x1960 fs/open.c:956
vfs_open+0x3b/0x370 fs/open.c:1086
do_open fs/namei.c:3830 [inline]
path_openat+0x2c81/0x3590 fs/namei.c:3989
do_filp_open+0x27f/0x4e0 fs/namei.c:4016
do_sys_openat2+0x13e/0x1d0 fs/open.c:1428
do_sys_open fs/open.c:1443 [inline]
__do_sys_openat fs/open.c:1459 [inline]
__se_sys_openat fs/open.c:1454 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1454
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
Modules linked in:
CPU: 0 UID: 0 PID: 6616 Comm: syz.0.15 Tainted: G B 6.14.0-rc6-syzkaller-gb7f94fcf5546 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x1079/0x10e0 mm/page_alloc.c:2660
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5188
netif_receive_generic_xdp net/core/dev.c:5301 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc3da57e98f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fc3db388020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc3da745fa0 RCX: 00007fc3da57e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007fc3da5f3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc3da745fa0 R15: 00007ffe7d632228
BUG: Bad page state in process syz.0.15 pfn:274e4
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880274e4e88 pfn:0x274e4
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226b8000 0000000000000000
raw: ffff8880274e4e88 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 6616, tgid 6614 (syz.0.15), ts 117474916558, free_ts 117459853689
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
netif_skb_check_for_xdp net/core/dev.c:5256 [inline]
netif_receive_generic_xdp net/core/dev.c:5295 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
page last free pid 5196 tgid 5196 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0xe04/0x10e0 mm/page_alloc.c:2660
discard_slab mm/slub.c:2684 [inline]
__put_partials+0x160/0x1c0 mm/slub.c:3153
put_cpu_partial+0x17c/0x250 mm/slub.c:3228
__slab_free+0x290/0x380 mm/slub.c:4479
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4115 [inline]
slab_alloc_node mm/slub.c:4164 [inline]
__kmalloc_cache_noprof+0x1d9/0x390 mm/slub.c:4320
kmalloc_noprof include/linux/slab.h:901 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
kernfs_fop_open+0x3e0/0xd10 fs/kernfs/file.c:623
do_dentry_open+0xdec/0x1960 fs/open.c:956
vfs_open+0x3b/0x370 fs/open.c:1086
do_open fs/namei.c:3830 [inline]
path_openat+0x2c81/0x3590 fs/namei.c:3989
do_filp_open+0x27f/0x4e0 fs/namei.c:4016
do_sys_openat2+0x13e/0x1d0 fs/open.c:1428
do_sys_open fs/open.c:1443 [inline]
__do_sys_openat fs/open.c:1459 [inline]
__se_sys_openat fs/open.c:1454 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1454
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
Modules linked in:
CPU: 0 UID: 0 PID: 6616 Comm: syz.0.15 Tainted: G B 6.14.0-rc6-syzkaller-gb7f94fcf5546 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x1079/0x10e0 mm/page_alloc.c:2660
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5188
netif_receive_generic_xdp net/core/dev.c:5301 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc3da57e98f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fc3db388020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc3da745fa0 RCX: 00007fc3da57e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007fc3da5f3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc3da745fa0 R15: 00007ffe7d632228
BUG: Bad page state in process syz.0.15 pfn:3098c
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88803098ce88 pfn:0x3098c
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226b8000 0000000000000000
raw: ffff88803098ce88 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 6616, tgid 6614 (syz.0.15), ts 117474905545, free_ts 117459871127
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
netif_skb_check_for_xdp net/core/dev.c:5256 [inline]
netif_receive_generic_xdp net/core/dev.c:5295 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
page last free pid 5196 tgid 5196 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0xe04/0x10e0 mm/page_alloc.c:2660
discard_slab mm/slub.c:2684 [inline]
__put_partials+0x160/0x1c0 mm/slub.c:3153
put_cpu_partial+0x17c/0x250 mm/slub.c:3228
__slab_free+0x290/0x380 mm/slub.c:4479
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4115 [inline]
slab_alloc_node mm/slub.c:4164 [inline]
__kmalloc_cache_noprof+0x1d9/0x390 mm/slub.c:4320
kmalloc_noprof include/linux/slab.h:901 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
kernfs_fop_open+0x3e0/0xd10 fs/kernfs/file.c:623
do_dentry_open+0xdec/0x1960 fs/open.c:956
vfs_open+0x3b/0x370 fs/open.c:1086
do_open fs/namei.c:3830 [inline]
path_openat+0x2c81/0x3590 fs/namei.c:3989
do_filp_open+0x27f/0x4e0 fs/namei.c:4016
do_sys_openat2+0x13e/0x1d0 fs/open.c:1428
do_sys_open fs/open.c:1443 [inline]
__do_sys_openat fs/open.c:1459 [inline]
__se_sys_openat fs/open.c:1454 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1454
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
Modules linked in:
CPU: 0 UID: 0 PID: 6616 Comm: syz.0.15 Tainted: G B 6.14.0-rc6-syzkaller-gb7f94fcf5546 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x1079/0x10e0 mm/page_alloc.c:2660
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5188
netif_receive_generic_xdp net/core/dev.c:5301 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc3da57e98f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fc3db388020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc3da745fa0 RCX: 00007fc3da57e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007fc3da5f3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc3da745fa0 R15: 00007ffe7d632228
BUG: Bad page state in process syz.0.15 pfn:61691
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888061691e88 pfn:0x61691
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226b8000 0000000000000000
raw: ffff888061691e88 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 6616, tgid 6614 (syz.0.15), ts 117474894285, free_ts 117459887482
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
netif_skb_check_for_xdp net/core/dev.c:5256 [inline]
netif_receive_generic_xdp net/core/dev.c:5295 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
page last free pid 5196 tgid 5196 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0xe04/0x10e0 mm/page_alloc.c:2660
discard_slab mm/slub.c:2684 [inline]
__put_partials+0x160/0x1c0 mm/slub.c:3153
put_cpu_partial+0x17c/0x250 mm/slub.c:3228
__slab_free+0x290/0x380 mm/slub.c:4479
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4115 [inline]
slab_alloc_node mm/slub.c:4164 [inline]
__kmalloc_cache_noprof+0x1d9/0x390 mm/slub.c:4320
kmalloc_noprof include/linux/slab.h:901 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
kernfs_fop_open+0x3e0/0xd10 fs/kernfs/file.c:623
do_dentry_open+0xdec/0x1960 fs/open.c:956
vfs_open+0x3b/0x370 fs/open.c:1086
do_open fs/namei.c:3830 [inline]
path_openat+0x2c81/0x3590 fs/namei.c:3989
do_filp_open+0x27f/0x4e0 fs/namei.c:4016
do_sys_openat2+0x13e/0x1d0 fs/open.c:1428
do_sys_open fs/open.c:1443 [inline]
__do_sys_openat fs/open.c:1459 [inline]
__se_sys_openat fs/open.c:1454 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1454
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
Modules linked in:
CPU: 0 UID: 0 PID: 6616 Comm: syz.0.15 Tainted: G B 6.14.0-rc6-syzkaller-gb7f94fcf5546 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x1079/0x10e0 mm/page_alloc.c:2660
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5188
netif_receive_generic_xdp net/core/dev.c:5301 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc3da57e98f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fc3db388020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc3da745fa0 RCX: 00007fc3da57e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007fc3da5f3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc3da745fa0 R15: 00007ffe7d632228
BUG: Bad page state in process syz.0.15 pfn:7efe0
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88807efe0e58 pfn:0x7efe0
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226b8000 0000000000000000
raw: ffff88807efe0e58 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 6616, tgid 6614 (syz.0.15), ts 117474883361, free_ts 117459961280
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
netif_skb_check_for_xdp net/core/dev.c:5256 [inline]
netif_receive_generic_xdp net/core/dev.c:5295 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
page last free pid 5196 tgid 5196 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0xe04/0x10e0 mm/page_alloc.c:2660
__slab_free+0x2c2/0x380 mm/slub.c:4520
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4115 [inline]
slab_alloc_node mm/slub.c:4164 [inline]
__kmalloc_cache_noprof+0x1d9/0x390 mm/slub.c:4320
kmalloc_noprof include/linux/slab.h:901 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
kernfs_fop_open+0x3e0/0xd10 fs/kernfs/file.c:623
do_dentry_open+0xdec/0x1960 fs/open.c:956
vfs_open+0x3b/0x370 fs/open.c:1086
do_open fs/namei.c:3830 [inline]
path_openat+0x2c81/0x3590 fs/namei.c:3989
do_filp_open+0x27f/0x4e0 fs/namei.c:4016
do_sys_openat2+0x13e/0x1d0 fs/open.c:1428
do_sys_open fs/open.c:1443 [inline]
__do_sys_openat fs/open.c:1459 [inline]
__se_sys_openat fs/open.c:1454 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1454
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 0 UID: 0 PID: 6616 Comm: syz.0.15 Tainted: G B 6.14.0-rc6-syzkaller-gb7f94fcf5546 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x1079/0x10e0 mm/page_alloc.c:2660
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5188
netif_receive_generic_xdp net/core/dev.c:5301 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc3da57e98f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fc3db388020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc3da745fa0 RCX: 00007fc3da57e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007fc3da5f3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc3da745fa0 R15: 00007ffe7d632228
BUG: Bad page state in process syz.0.15 pfn:6c421
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88806c421e88 pfn:0x6c421
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226b8000 0000000000000000
raw: ffff88806c421e88 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 6616, tgid 6614 (syz.0.15), ts 117474872140, free_ts 117459978756
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
__alloc_pages_noprof mm/page_alloc.c:4774 [inline]
alloc_pages_bulk_noprof+0x847/0xae0 mm/page_alloc.c:4694
alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
__page_pool_alloc_pages_slow+0x11f/0x690 net/core/page_pool.c:542
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
skb_pp_cow_data+0xcc8/0x1720 net/core/skbuff.c:893
netif_skb_check_for_xdp net/core/dev.c:5256 [inline]
netif_receive_generic_xdp net/core/dev.c:5295 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
page last free pid 5196 tgid 5196 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0xe04/0x10e0 mm/page_alloc.c:2660
__slab_free+0x2c2/0x380 mm/slub.c:4520
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4115 [inline]
slab_alloc_node mm/slub.c:4164 [inline]
__kmalloc_cache_noprof+0x1d9/0x390 mm/slub.c:4320
kmalloc_noprof include/linux/slab.h:901 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
kernfs_fop_open+0x3e0/0xd10 fs/kernfs/file.c:623
do_dentry_open+0xdec/0x1960 fs/open.c:956
vfs_open+0x3b/0x370 fs/open.c:1086
do_open fs/namei.c:3830 [inline]
path_openat+0x2c81/0x3590 fs/namei.c:3989
do_filp_open+0x27f/0x4e0 fs/namei.c:4016
do_sys_openat2+0x13e/0x1d0 fs/open.c:1428
do_sys_open fs/open.c:1443 [inline]
__do_sys_openat fs/open.c:1459 [inline]
__se_sys_openat fs/open.c:1454 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1454
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 0 UID: 0 PID: 6616 Comm: syz.0.15 Tainted: G B 6.14.0-rc6-syzkaller-gb7f94fcf5546 #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_frozen_pages+0x1079/0x10e0 mm/page_alloc.c:2660
bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
bpf_xdp_frags_shrink_tail+0x3b3/0x780 net/core/filter.c:4175
____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
bpf_xdp_adjust_tail+0x1c6/0x210 net/core/filter.c:4193
bpf_prog_f476d5219b92964a+0x1e/0x20
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:654 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5188
netif_receive_generic_xdp net/core/dev.c:5301 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5363
__netif_receive_skb_core+0x1be5/0x4540 net/core/dev.c:5713
__netif_receive_skb_one_core net/core/dev.c:5891 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:6006
netif_receive_skb_internal net/core/dev.c:6092 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:6151
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cd/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc3da57e98f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fc3db388020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc3da745fa0 RCX: 00007fc3da57e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007fc3da5f3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc3da745fa0 R15: 00007ffe7d632228