================================================================== BUG: KASAN: use-after-free in list_empty include/linux/list.h:290 [inline] BUG: KASAN: use-after-free in waitqueue_active include/linux/wait.h:129 [inline] BUG: KASAN: use-after-free in wq_has_sleeper include/linux/wait.h:163 [inline] BUG: KASAN: use-after-free in skwq_has_sleeper include/net/sock.h:2270 [inline] BUG: KASAN: use-after-free in sock_def_write_space+0x18c/0x394 net/core/sock.c:3086 Read of size 8 at addr ffff0000fe04f880 by task ksoftirqd/0/14 CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted 5.15.122-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 print_address_description+0x7c/0x3f0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:434 [inline] kasan_report+0x174/0x1e4 mm/kasan/report.c:451 __asan_report_load8_noabort+0x44/0x50 mm/kasan/report_generic.c:309 list_empty include/linux/list.h:290 [inline] waitqueue_active include/linux/wait.h:129 [inline] wq_has_sleeper include/linux/wait.h:163 [inline] skwq_has_sleeper include/net/sock.h:2270 [inline] sock_def_write_space+0x18c/0x394 net/core/sock.c:3086 sock_wfree+0x110/0x230 net/core/sock.c:2205 skb_release_head_state+0x108/0x2a0 net/core/skbuff.c:729 skb_release_all net/core/skbuff.c:740 [inline] __kfree_skb net/core/skbuff.c:756 [inline] consume_skb+0x10c/0x40c net/core/skbuff.c:914 __dev_kfree_skb_any+0xc8/0xf4 net/core/dev.c:3121 dev_consume_skb_any include/linux/netdevice.h:4020 [inline] gve_clean_tx_done+0x26c/0xce8 drivers/net/ethernet/google/gve/gve_tx.c:639 gve_tx_poll+0x15c/0x214 drivers/net/ethernet/google/gve/gve_tx.c:701 gve_napi_poll+0x7c/0x27c drivers/net/ethernet/google/gve/gve_main.c:203 __napi_poll+0xb4/0x624 net/core/dev.c:7012 napi_poll net/core/dev.c:7079 [inline] net_rx_action+0x500/0xc10 net/core/dev.c:7166 __do_softirq+0x344/0xe20 kernel/softirq.c:558 do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] invoke_softirq kernel/softirq.c:439 [inline] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 irq_exit+0x14/0x88 kernel/softirq.c:660 handle_domain_irq+0xf4/0x178 kernel/irq/irqdesc.c:710 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:758 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:899 do_interrupt_handler+0x74/0x94 arch/arm64/kernel/entry-common.c:267 el1_interrupt+0x30/0x58 arch/arm64/kernel/entry-common.c:442 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:458 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:580 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:35 [inline] ksoftirqd_run_end kernel/softirq.c:412 [inline] run_ksoftirqd+0x74/0x258 kernel/softirq.c:921 smpboot_thread_fn+0x4b0/0x920 kernel/smpboot.c:164 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 Allocated by task 15931: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] __kasan_slab_alloc+0x8c/0xcc mm/kasan/common.c:467 kasan_slab_alloc include/linux/kasan.h:254 [inline] slab_post_alloc_hook+0x74/0x3f4 mm/slab.h:519 slab_alloc_node mm/slub.c:3220 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc+0x1dc/0x45c mm/slub.c:3233 sock_alloc_inode+0x24/0xc4 net/socket.c:303 alloc_inode fs/inode.c:236 [inline] new_inode_pseudo+0x68/0x200 fs/inode.c:937 sock_alloc net/socket.c:626 [inline] __sock_create+0x134/0x884 net/socket.c:1431 sock_create net/socket.c:1518 [inline] __sys_socket+0x168/0x310 net/socket.c:1560 __do_sys_socket net/socket.c:1569 [inline] __se_sys_socket net/socket.c:1567 [inline] __arm64_sys_socket+0x7c/0x94 net/socket.c:1567 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Freed by task 20: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4c/0x84 mm/kasan/common.c:46 kasan_set_free_info+0x28/0x4c mm/kasan/generic.c:360 ____kasan_slab_free+0x118/0x164 mm/kasan/common.c:366 __kasan_slab_free+0x18/0x28 mm/kasan/common.c:374 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:1705 [inline] slab_free_freelist_hook+0x128/0x1ec mm/slub.c:1731 slab_free mm/slub.c:3499 [inline] kmem_cache_free+0xdc/0x3c4 mm/slub.c:3515 sock_free_inode+0x28/0x38 net/socket.c:324 i_callback+0x50/0x78 fs/inode.c:225 rcu_do_batch kernel/rcu/tree.c:2510 [inline] rcu_core+0x830/0x1b34 kernel/rcu/tree.c:2750 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2763 __do_softirq+0x344/0xe20 kernel/softirq.c:558 Last potentially related work creation: kasan_save_stack+0x38/0x68 mm/kasan/common.c:38 kasan_record_aux_stack+0xd4/0x11c mm/kasan/generic.c:348 __call_rcu kernel/rcu/tree.c:2994 [inline] call_rcu+0x118/0xb40 kernel/rcu/tree.c:3074 destroy_inode fs/inode.c:291 [inline] evict+0x5fc/0x68c fs/inode.c:602 iput_final fs/inode.c:1705 [inline] iput+0x744/0x824 fs/inode.c:1731 dentry_unlink_inode+0x370/0x4b0 fs/dcache.c:376 __dentry_kill+0x324/0x5e4 fs/dcache.c:582 dentry_kill+0xc8/0x250 dput+0x21c/0x458 fs/dcache.c:888 __fput+0x500/0x7f0 fs/file_table.c:288 ____fput+0x20/0x30 fs/file_table.c:308 task_work_run+0x130/0x1e4 kernel/task_work.c:164 get_signal+0x1450/0x1550 kernel/signal.c:2661 do_signal arch/arm64/kernel/signal.c:890 [inline] do_notify_resume+0x3d0/0x32b8 arch/arm64/kernel/signal.c:943 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:597 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Second to last potentially related work creation: kasan_save_stack+0x38/0x68 mm/kasan/common.c:38 kasan_record_aux_stack+0xd4/0x11c mm/kasan/generic.c:348 __call_rcu kernel/rcu/tree.c:2994 [inline] call_rcu+0x118/0xb40 kernel/rcu/tree.c:3074 destroy_inode fs/inode.c:291 [inline] evict+0x5fc/0x68c fs/inode.c:602 iput_final fs/inode.c:1705 [inline] iput+0x744/0x824 fs/inode.c:1731 dentry_unlink_inode+0x370/0x4b0 fs/dcache.c:376 __dentry_kill+0x324/0x5e4 fs/dcache.c:582 dentry_kill+0xc8/0x250 dput+0x21c/0x458 fs/dcache.c:888 __fput+0x500/0x7f0 fs/file_table.c:288 ____fput+0x20/0x30 fs/file_table.c:308 task_work_run+0x130/0x1e4 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x262c/0x32b8 arch/arm64/kernel/signal.c:946 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:597 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 The buggy address belongs to the object at ffff0000fe04f800 which belongs to the cache sock_inode_cache of size 1408 The buggy address is located 128 bytes inside of 1408-byte region [ffff0000fe04f800, ffff0000fe04fd80) The buggy address belongs to the page: page:000000008ecb85ce refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x13e048 head:000000008ecb85ce order:3 compound_mapcount:0 compound_pincount:0 memcg:ffff0000d063d001 flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000010200 dead000000000100 dead000000000122 ffff0000c0854480 raw: 0000000000000000 0000000080150015 00000001ffffffff ffff0000d063d001 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000fe04f780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000fe04f800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff0000fe04f880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff0000fe04f900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff0000fe04f980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================