Warning: Permanently added '10.128.1.149' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.889428][ T6175] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 39.186810][ T6235] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program executing program executing program executing program executing program executing program executing program [ 40.716216][ T6275] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program executing program executing program executing program [ 41.679233][ T6300] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program [ 42.062435][ T6310] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program [ 42.432553][ T6320] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program [ 42.821924][ T6330] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program executing program executing program executing program executing program [ 43.965346][ T6360] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program executing program executing program executing program executing program executing program [ 45.292387][ T6395] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) [ 45.483177][ T6400] ================================================================== [ 45.485269][ T6400] BUG: KASAN: slab-use-after-free in nfc_alloc_send_skb+0x164/0x190 [ 45.487341][ T6400] Read of size 4 at addr ffff0000dc7df560 by task syz-executor290/6400 [ 45.489523][ T6400] [ 45.490125][ T6400] CPU: 0 PID: 6400 Comm: syz-executor290 Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 [ 45.492801][ T6400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 45.495538][ T6400] Call trace: [ 45.496398][ T6400] dump_backtrace+0x1b8/0x1e4 [ 45.497599][ T6400] show_stack+0x2c/0x44 [ 45.498661][ T6400] dump_stack_lvl+0xd0/0x124 [ 45.499849][ T6400] print_report+0x174/0x514 [ 45.501027][ T6400] kasan_report+0xd8/0x138 [ 45.502241][ T6400] __asan_report_load4_noabort+0x20/0x2c [ 45.503633][ T6400] nfc_alloc_send_skb+0x164/0x190 [ 45.504848][ T6400] nfc_llcp_send_ui_frame+0x22c/0x554 [ 45.506249][ T6400] llcp_sock_sendmsg+0x1f8/0x358 [ 45.507558][ T6400] ____sys_sendmsg+0x56c/0x840 [ 45.508805][ T6400] __sys_sendmmsg+0x318/0x7d8 [ 45.510041][ T6400] __arm64_sys_sendmmsg+0xa0/0xbc [ 45.511337][ T6400] invoke_syscall+0x98/0x2b8 [ 45.512722][ T6400] el0_svc_common+0x130/0x23c [ 45.513896][ T6400] do_el0_svc+0x48/0x58 [ 45.514975][ T6400] el0_svc+0x54/0x158 [ 45.516024][ T6400] el0t_64_sync_handler+0x84/0xfc [ 45.517345][ T6400] el0t_64_sync+0x190/0x194 [ 45.518523][ T6400] [ 45.519118][ T6400] Allocated by task 6400: [ 45.520258][ T6400] kasan_set_track+0x4c/0x7c [ 45.521640][ T6400] kasan_save_alloc_info+0x24/0x30 [ 45.522958][ T6400] __kasan_kmalloc+0xac/0xc4 [ 45.524147][ T6400] kmalloc_trace+0x70/0x88 [ 45.525304][ T6400] nfc_allocate_device+0x124/0x45c [ 45.526662][ T6400] nci_allocate_device+0x1ac/0x324 [ 45.527999][ T6400] virtual_ncidev_open+0x84/0x1bc [ 45.529377][ T6400] misc_open+0x2f0/0x368 [ 45.530456][ T6400] chrdev_open+0x3e8/0x4fc [ 45.531607][ T6400] do_dentry_open+0x6fc/0x118c [ 45.532936][ T6400] vfs_open+0x7c/0x90 [ 45.534005][ T6400] path_openat+0x1f2c/0x27f8 [ 45.535233][ T6400] do_filp_open+0x1bc/0x3cc [ 45.536415][ T6400] do_sys_openat2+0x124/0x1b8 [ 45.537658][ T6400] __arm64_sys_openat+0x1f0/0x240 [ 45.538930][ T6400] invoke_syscall+0x98/0x2b8 [ 45.540154][ T6400] el0_svc_common+0x130/0x23c [ 45.541374][ T6400] do_el0_svc+0x48/0x58 [ 45.542479][ T6400] el0_svc+0x54/0x158 [ 45.543528][ T6400] el0t_64_sync_handler+0x84/0xfc [ 45.544852][ T6400] el0t_64_sync+0x190/0x194 [ 45.546038][ T6400] [ 45.546664][ T6400] Freed by task 6399: [ 45.547724][ T6400] kasan_set_track+0x4c/0x7c [ 45.548940][ T6400] kasan_save_free_info+0x38/0x5c [ 45.550310][ T6400] ____kasan_slab_free+0x144/0x1c0 [ 45.551664][ T6400] __kasan_slab_free+0x18/0x28 [ 45.552934][ T6400] __kmem_cache_free+0x2ac/0x480 [ 45.554253][ T6400] kfree+0xb8/0x19c [ 45.555255][ T6400] nfc_release+0x1d4/0x27c [ 45.556418][ T6400] device_release+0x8c/0x1ac [ 45.557624][ T6400] kobject_put+0x1c4/0x3c4 [ 45.558878][ T6400] put_device+0x28/0x40 [ 45.559903][ T6400] nci_free_device+0x40/0x60 [ 45.561116][ T6400] virtual_ncidev_close+0x78/0xa0 [ 45.562440][ T6400] __fput+0x324/0x7f8 [ 45.563507][ T6400] __fput_sync+0x60/0x9c [ 45.564620][ T6400] __arm64_sys_close+0x150/0x1e0 [ 45.565995][ T6400] invoke_syscall+0x98/0x2b8 [ 45.567327][ T6400] el0_svc_common+0x130/0x23c [ 45.568574][ T6400] do_el0_svc+0x48/0x58 [ 45.569624][ T6400] el0_svc+0x54/0x158 [ 45.570705][ T6400] el0t_64_sync_handler+0x84/0xfc [ 45.572011][ T6400] el0t_64_sync+0x190/0x194 [ 45.573179][ T6400] [ 45.573773][ T6400] The buggy address belongs to the object at ffff0000dc7df000 [ 45.573773][ T6400] which belongs to the cache kmalloc-2k of size 2048 [ 45.577586][ T6400] The buggy address is located 1376 bytes inside of [ 45.577586][ T6400] freed 2048-byte region [ffff0000dc7df000, ffff0000dc7df800) [ 45.581224][ T6400] [ 45.581828][ T6400] The buggy address belongs to the physical page: [ 45.583518][ T6400] page:00000000ee1e30f7 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11c7d8 [ 45.586222][ T6400] head:00000000ee1e30f7 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 45.588577][ T6400] flags: 0x5ffc00000000840(slab|head|node=0|zone=2|lastcpupid=0x7ff) [ 45.590676][ T6400] page_type: 0xffffffff() [ 45.591796][ T6400] raw: 05ffc00000000840 ffff0000c0002000 dead000000000122 0000000000000000 [ 45.593879][ T6400] raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000 [ 45.596144][ T6400] page dumped because: kasan: bad access detected [ 45.597854][ T6400] [ 45.598460][ T6400] Memory state around the buggy address: [ 45.599944][ T6400] ffff0000dc7df400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 45.602030][ T6400] ffff0000dc7df480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 45.604353][ T6400] >ffff0000dc7df500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 45.606548][ T6400] ^ [ 45.608455][ T6400] ffff0000dc7df580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 45.610586][ T6400] ffff0000dc7df600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb executing program [ 45.612935][ T6400] ================================================================== [ 45.615680][ T6400] Disabling lock debugging due to kernel taint [ 45.617272][ T6400] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program [ 45.970728][ T6410] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program [ 46.325526][ T6420] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program [ 46.503024][ T6425] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program [ 46.864083][ T6435] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program [ 47.043665][ T6440] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program [ 47.224070][ T6445] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program [ 47.573622][ T6455] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program [ 47.751789][ T6460] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program [ 47.933273][ T6465] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program [ 48.287746][ T6475] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program [ 48.464424][ T6480] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program [ 48.640413][ T6485] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program [ 48.993699][ T6495] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program [ 49.346042][ T6505] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program [ 49.517953][ T6510] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program [ 49.873569][ T6520] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program [ 50.055055][ T6525] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program executing program [ 50.588071][ T6540] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program [ 50.763400][ T6545] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program executing program [ 51.301328][ T6560] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program [ 51.470466][ T6565] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program [ 51.643804][ T6570] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program [ 51.999181][ T6580] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program [ 52.170597][ T6585] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program [ 52.340353][ T6590] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program [ 52.509784][ T6595] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program [ 52.683826][ T6600] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program [ 52.858769][ T6605] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program executing program [ 53.395400][ T6620] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program [ 53.573432][ T6625] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program [ 53.935999][ T6635] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program [ 54.111816][ T6640] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program [ 54.288037][ T6645] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program [ 54.463903][ T6650] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program [ 54.826835][ T6660] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6) executing program executing program executing program [ 55.369130][ T6675] llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-6)