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===================================================== BUG: KMSAN: uninit-value in __memcg_slab_free_hook+0x3cc/0x570 mm/memcontrol.c:3043 __memcg_slab_free_hook+0x3cc/0x570 mm/memcontrol.c:3043 memcg_slab_free_hook mm/slub.c:2186 [inline] slab_free mm/slub.c:4470 [inline] kmem_cache_free+0x67f/0xbb0 mm/slub.c:4548 __sigqueue_free kernel/signal.c:451 [inline] collect_signal kernel/signal.c:594 [inline] __dequeue_signal+0xa58/0xad0 kernel/signal.c:616 dequeue_signal+0x14b/0xb20 kernel/signal.c:639 get_signal+0xb46/0x2d00 kernel/signal.c:2796 arch_do_signal_or_restart+0x53/0xcb0 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x5d/0x170 kernel/entry/common.c:218 do_int80_emulation+0xfc/0x190 arch/x86/entry/common.c:256 asm_int80_emulation+0x1f/0x30 arch/x86/include/asm/idtentry.h:626 Uninit was created at: __alloc_pages_noprof+0x9d6/0xe70 mm/page_alloc.c:4723 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline] alloc_pages_node_noprof include/linux/gfp.h:296 [inline] alloc_slab_page mm/slub.c:2321 [inline] allocate_slab+0x203/0x1220 mm/slub.c:2484 new_slab mm/slub.c:2537 [inline] ___slab_alloc+0x12ef/0x35e0 mm/slub.c:3723 __slab_alloc mm/slub.c:3813 [inline] __slab_alloc_node mm/slub.c:3866 [inline] slab_alloc_node mm/slub.c:4025 [inline] __kmalloc_cache_noprof+0x5db/0xb00 mm/slub.c:4184 kmalloc_noprof include/linux/slab.h:681 [inline] kzalloc_noprof include/linux/slab.h:807 [inline] inetdev_init+0x111/0x8a0 net/ipv4/devinet.c:274 inetdev_event+0xbf9/0x1f60 net/ipv4/devinet.c:1565 notifier_call_chain kernel/notifier.c:93 [inline] raw_notifier_call_chain+0xe8/0x440 kernel/notifier.c:461 call_netdevice_notifiers_info+0x1be/0x2b0 net/core/dev.c:1994 call_netdevice_notifiers_extack net/core/dev.c:2032 [inline] call_netdevice_notifiers net/core/dev.c:2046 [inline] register_netdevice+0x2107/0x22d0 net/core/dev.c:10468 veth_newlink+0x9f6/0x1750 drivers/net/veth.c:1829 rtnl_newlink_create net/core/rtnetlink.c:3510 [inline] __rtnl_newlink net/core/rtnetlink.c:3730 [inline] rtnl_newlink+0x2e8f/0x41f0 net/core/rtnetlink.c:3743 rtnetlink_rcv_msg+0x12fc/0x1410 net/core/rtnetlink.c:6647 netlink_rcv_skb+0x375/0x650 net/netlink/af_netlink.c:2550 rtnetlink_rcv+0x34/0x40 net/core/rtnetlink.c:6665 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0xf52/0x1260 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x10da/0x11e0 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x30f/0x380 net/socket.c:745 __sys_sendto+0x685/0x830 net/socket.c:2204 __do_compat_sys_socketcall net/compat.c:475 [inline] __se_compat_sys_socketcall+0xceb/0x1a20 net/compat.c:423 __ia32_compat_sys_socketcall+0x6b/0xa0 net/compat.c:423 ia32_sys_call+0x3710/0x40d0 arch/x86/include/generated/asm/syscalls_32.h:103 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/common.c:386 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449 entry_SYSENTER_compat_after_hwframe+0x84/0x8e CPU: 1 UID: 0 PID: 6271 Comm: syz.4.298 Not tainted 6.11.0-rc1-syzkaller-00004-gdc1c8034e31b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 =====================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/07/29 19:08 | upstream | dc1c8034e31b | 5187fc86 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386-root | KMSAN: uninit-value in __dequeue_signal |