[ 73.100634][ T42] kauditd_printk_skb: 10 callbacks suppressed [ 73.100650][ T42] audit: type=1400 audit(1787748255.559:209): avc: denied { transition } for pid=5969 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 73.112608][ T42] audit: type=1400 audit(1787748255.559:210): avc: denied { noatsecure } for pid=5969 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 73.120712][ T42] audit: type=1400 audit(1787748255.559:211): avc: denied { rlimitinh } for pid=5969 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 73.128515][ T42] audit: type=1400 audit(1787748255.559:212): avc: denied { siginh } for pid=5969 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 75.957294][ T42] audit: type=1400 audit(1787748258.419:213): avc: denied { write } for pid=5972 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=1839 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 76.009331][ T42] audit: type=1400 audit(1787748258.469:214): avc: denied { write } for pid=5975 comm="rm" name="hook-state" dev="tmpfs" ino=1839 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 76.581678][ T42] audit: type=1400 audit(1787748259.049:215): avc: denied { write } for pid=5978 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=1839 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 76.631042][ T42] audit: type=1400 audit(1787748259.089:216): avc: denied { write } for pid=5981 comm="rm" name="hook-state" dev="tmpfs" ino=1839 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 76.912551][ T42] audit: type=1400 audit(1787748259.379:217): avc: denied { write } for pid=5984 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=1839 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 76.984515][ T42] audit: type=1400 audit(1787748259.449:218): avc: denied { write } for pid=5987 comm="rm" name="hook-state" dev="tmpfs" ino=1839 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 78.121361][ T42] kauditd_printk_skb: 4 callbacks suppressed [ 78.121379][ T42] audit: type=1400 audit(1787748260.579:223): avc: denied { write } for pid=6006 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=1839 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 78.179670][ T42] audit: type=1400 audit(1787748260.639:224): avc: denied { write } for pid=6009 comm="rm" name="hook-state" dev="tmpfs" ino=1839 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 78.751795][ T42] audit: type=1400 audit(1787748261.219:225): avc: denied { write } for pid=6012 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=1839 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 78.794669][ T42] audit: type=1400 audit(1787748261.259:226): avc: denied { write } for pid=6015 comm="rm" name="hook-state" dev="tmpfs" ino=1839 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 Warning: Permanently added '[localhost]:43114' (ED25519) to the list of known hosts. [ 79.727929][ T42] audit: type=1400 audit(1787748262.189:227): avc: denied { search } for pid=6025 comm="syz-executor233" name="/" dev="configfs" ino=1062 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 79.735314][ T42] audit: type=1400 audit(1787748262.189:228): avc: denied { search } for pid=6025 comm="syz-executor233" name="usb_gadget" dev="configfs" ino=2355 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 79.737430][ T6025] audit: audit_backlog=65 > audit_backlog_limit=64 [ 79.742418][ T42] audit: type=1400 audit(1787748262.189:229): avc: denied { write search } for pid=6025 comm="syz-executor233" name="usb_gadget" dev="configfs" ino=2355 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 79.745132][ T6025] audit: audit_lost=1 audit_rate_limit=0 audit_backlog_limit=64 [ 79.753178][ T42] audit: type=1400 audit(1787748262.189:230): avc: denied { add_name } for pid=6025 comm="syz-executor233" name="g_midi2_6025" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 79.806925][ T6025] ================================================================== [ 79.809611][ T6025] BUG: KASAN: stack-out-of-bounds in append_midi1_out_jack.isra.0+0x38c/0x470 [ 79.812437][ T6025] Write of size 1 at addr ffffc90003067880 by task syz-executor233/6025 [ 79.816323][ T6025] [ 79.817681][ T6025] CPU: 3 UID: 0 PID: 6025 Comm: syz-executor233 Not tainted syzkaller #0 PREEMPT(full) [ 79.817701][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 79.817711][ T6025] Call Trace: [ 79.817717][ T6025] [ 79.817722][ T6025] dump_stack_lvl+0x100/0x190 [ 79.817748][ T6025] print_report+0x13d/0x4b0 [ 79.817771][ T6025] ? _raw_spin_lock_irqsave+0x52/0x60 [ 79.817796][ T6025] ? append_midi1_out_jack.isra.0+0x38c/0x470 [ 79.817813][ T6025] kasan_report+0xdf/0x1c0 [ 79.817838][ T6025] ? append_midi1_out_jack.isra.0+0x38c/0x470 [ 79.817856][ T6025] append_midi1_out_jack.isra.0+0x38c/0x470 [ 79.817874][ T6025] f_midi2_create_usb_configs+0x748/0xdf0 [ 79.817896][ T6025] f_midi2_bind+0x1d12/0x2770 [ 79.817917][ T6025] ? __pfx_f_midi2_bind+0x10/0x10 [ 79.817944][ T6025] ? usb_gstrings_attach+0xd4/0x920 [ 79.817969][ T6025] ? __pfx_f_midi2_bind+0x10/0x10 [ 79.817987][ T6025] usb_add_function+0x219/0x890 [ 79.818013][ T6025] configfs_composite_bind+0xd83/0x1960 [ 79.818038][ T6025] gadget_bind_driver+0x28c/0xbf0 [ 79.818052][ T6025] ? __pfx_dummy_udc_set_speed+0x10/0x10 [ 79.818074][ T6025] ? __pfx_gadget_bind_driver+0x10/0x10 [ 79.818089][ T6025] really_probe+0x241/0xa60 [ 79.818107][ T6025] __driver_probe_device+0x210/0x460 [ 79.818122][ T6025] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 79.818147][ T6025] driver_probe_device+0x4a/0x140 [ 79.818163][ T6025] __driver_attach+0x21f/0x5b0 [ 79.818179][ T6025] ? __pfx___driver_attach+0x10/0x10 [ 79.818194][ T6025] bus_for_each_dev+0x13e/0x1d0 [ 79.818216][ T6025] ? __pfx_bus_for_each_dev+0x10/0x10 [ 79.818237][ T6025] ? bus_add_driver+0x2b5/0x5b0 [ 79.818262][ T6025] bus_add_driver+0x305/0x5b0 [ 79.818285][ T6025] driver_register+0x1e2/0x360 [ 79.818303][ T6025] usb_gadget_register_driver_owner+0x132/0x210 [ 79.818329][ T6025] gadget_dev_desc_UDC_store+0x1b0/0x2e0 [ 79.818349][ T6025] configfs_write_iter+0x302/0x4e0 [ 79.818367][ T6025] vfs_write+0x6af/0x1050 [ 79.818387][ T6025] ? __pfx_configfs_write_iter+0x10/0x10 [ 79.818405][ T6025] ? __pfx_vfs_write+0x10/0x10 [ 79.818424][ T6025] ? __pfx_do_sys_openat2+0x10/0x10 [ 79.818443][ T6025] ksys_write+0x12a/0x250 [ 79.818461][ T6025] ? __pfx_ksys_write+0x10/0x10 [ 79.818482][ T6025] do_syscall_64+0x123/0x790 [ 79.818500][ T6025] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.818516][ T6025] RIP: 0033:0x7f84b9f19bf7 [ 79.818529][ T6025] Code: 48 89 fa 4c 89 df e8 98 1d 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 79.818545][ T6025] RSP: 002b:00007fffbbaac100 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 79.818561][ T6025] RAX: ffffffffffffffda RBX: 0000555593d6d400 RCX: 00007f84b9f19bf7 [ 79.818571][ T6025] RDX: 000000000000000b RSI: 00007fffbbaac270 RDI: 0000000000000003 [ 79.818580][ T6025] RBP: 00007fffbbaac270 R08: 0000000000000000 R09: 0000000000000000 [ 79.818589][ T6025] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffbbaac370 [ 79.818599][ T6025] R13: 00007fffbbaac170 R14: 00007f84b9f521d8 R15: 00007fffbbaac270 [ 79.818614][ T6025] [ 79.818619][ T6025] [ 79.923543][ T6025] The buggy address belongs to stack of task syz-executor233/6025 [ 79.925938][ T6025] and is located at offset 440 in frame: [ 79.927721][ T6025] f_midi2_bind+0x0/0x2770 [ 79.929135][ T6025] [ 79.929889][ T6025] This frame has 6 objects: [ 79.931398][ T6025] [32, 36) 'sw' [ 79.931407][ T6025] [48, 56) 'card' [ 79.932713][ T6025] [80, 88) 'ump' [ 79.934005][ T6025] [112, 128) 'string_fn' [ 79.935270][ T6025] [144, 160) 'strings' [ 79.936750][ T6025] [176, 440) 'config' [ 79.938052][ T6025] [ 79.940099][ T6025] The buggy address belongs to a 8-page vmalloc region starting at 0xffffc90003060000 allocated at kernel_clone+0x176/0x9d0 [ 79.944148][ T6025] The buggy address belongs to the physical page: [ 79.946118][ T6025] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x54bb7 [ 79.948800][ T6025] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) [ 79.951194][ T6025] raw: 00fff00000000000 0000000000000000 ffffea000152edc8 0000000000000000 [ 79.954059][ T6025] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 79.956895][ T6025] page dumped because: kasan: bad access detected [ 79.959353][ T6025] page_owner tracks the page as allocated [ 79.961669][ T6025] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x29c2(GFP_NOWAIT|__GFP_HIGHMEM|__GFP_IO|__GFP_FS|__GFP_ZERO), pid 5434, tgid 5434 (dhcpcd), ts 75918903758 [ 79.967875][ T6025] post_alloc_hook+0xfd/0x120 [ 79.969326][ T6025] get_page_from_freelist+0x110d/0x35b0 [ 79.971262][ T6025] __alloc_frozen_pages_noprof+0x2eb/0x3300 [ 79.973293][ T6025] alloc_pages_mpol+0x201/0x550 [ 79.974904][ T6025] alloc_pages_noprof+0x1a/0x160 [ 79.976502][ T6025] __vmalloc_node_range_noprof+0xdcc/0x1460 [ 79.978227][ T6025] __vmalloc_node_noprof+0xad/0xf0 [ 79.979739][ T6025] copy_process+0x803/0x8370 [ 79.981137][ T6025] kernel_clone+0x176/0x9d0 [ 79.982569][ T6025] __do_sys_clone3+0x214/0x290 [ 79.983991][ T6025] do_syscall_64+0x123/0x790 [ 79.985437][ T6025] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.987272][ T6025] page last free pid 5433 tgid 5433 ts 75917589560 stack trace: [ 79.989593][ T6025] __free_frozen_pages+0x79f/0x10f0 [ 79.991214][ T6025] skb_free_head+0xb9/0x160 [ 79.992653][ T6025] skb_release_data+0x6c5/0x8e0 [ 79.994278][ T6025] consume_skb+0xc4/0x110 [ 79.995925][ T6025] netlink_recvmsg+0x5b9/0xa90 [ 79.997768][ T6025] sock_recvmsg+0x1d5/0x220 [ 79.999474][ T6025] ____sys_recvmsg+0x21e/0x670 [ 80.001006][ T6025] ___sys_recvmsg+0x16a/0x1a0 [ 80.002483][ T6025] __x64_sys_recvmsg+0x19a/0x260 [ 80.004024][ T6025] do_syscall_64+0x123/0x790 [ 80.005469][ T6025] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.007524][ T6025] [ 80.008276][ T6025] Memory state around the buggy address: [ 80.010045][ T6025] ffffc90003067780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 80.012486][ T6025] ffffc90003067800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 80.014953][ T6025] >ffffc90003067880: f3 f3 f3 f3 f3 f3 f3 f3 f3 00 00 00 00 00 00 00 [ 80.017621][ T6025] ^ [ 80.019091][ T6025] ffffc90003067900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 80.021613][ T6025] ffffc90003067980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 80.024049][ T6025] ================================================================== [ 80.026647][ T6025] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 80.028792][ T6025] CPU: 3 UID: 0 PID: 6025 Comm: syz-executor233 Not tainted syzkaller #0 PREEMPT(full) [ 80.031639][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.035191][ T6025] Call Trace: [ 80.036270][ T6025] [ 80.037172][ T6025] dump_stack_lvl+0x100/0x190 [ 80.038573][ T6025] vpanic+0x553/0x970 [ 80.039795][ T6025] ? __pfx_vpanic+0x10/0x10 [ 80.041502][ T6025] ? mark_held_locks+0x40/0x70 [ 80.043227][ T6025] ? append_midi1_out_jack.isra.0+0x38c/0x470 [ 80.045148][ T6025] panic+0xd1/0xe0 [ 80.046659][ T6025] ? __pfx_panic+0x10/0x10 [ 80.048597][ T6025] ? append_midi1_out_jack.isra.0+0x38c/0x470 [ 80.051032][ T6025] ? preempt_schedule_common+0x3c/0xb0 [ 80.052977][ T6025] check_panic_on_warn.cold+0x19/0x34 [ 80.054873][ T6025] end_report.part.0+0x3a/0x90 [ 80.056682][ T6025] kasan_report.cold+0xe/0x18 [ 80.058342][ T6025] ? append_midi1_out_jack.isra.0+0x38c/0x470 [ 80.060475][ T6025] append_midi1_out_jack.isra.0+0x38c/0x470 [ 80.062572][ T6025] f_midi2_create_usb_configs+0x748/0xdf0 [ 80.064598][ T6025] f_midi2_bind+0x1d12/0x2770 [ 80.066103][ T6025] ? __pfx_f_midi2_bind+0x10/0x10 [ 80.067662][ T6025] ? usb_gstrings_attach+0xd4/0x920 [ 80.069238][ T6025] ? __pfx_f_midi2_bind+0x10/0x10 [ 80.070781][ T6025] usb_add_function+0x219/0x890 [ 80.072286][ T6025] configfs_composite_bind+0xd83/0x1960 [ 80.074273][ T6025] gadget_bind_driver+0x28c/0xbf0 [ 80.075781][ T6025] ? __pfx_dummy_udc_set_speed+0x10/0x10 [ 80.077519][ T6025] ? __pfx_gadget_bind_driver+0x10/0x10 [ 80.079381][ T6025] really_probe+0x241/0xa60 [ 80.080694][ T6025] __driver_probe_device+0x210/0x460 [ 80.082184][ T6025] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 80.083909][ T6025] driver_probe_device+0x4a/0x140 [ 80.085425][ T6025] __driver_attach+0x21f/0x5b0 [ 80.086896][ T6025] ? __pfx___driver_attach+0x10/0x10 [ 80.088513][ T6025] bus_for_each_dev+0x13e/0x1d0 [ 80.090022][ T6025] ? __pfx_bus_for_each_dev+0x10/0x10 [ 80.091623][ T6025] ? bus_add_driver+0x2b5/0x5b0 [ 80.093085][ T6025] bus_add_driver+0x305/0x5b0 [ 80.094526][ T6025] driver_register+0x1e2/0x360 [ 80.095971][ T6025] usb_gadget_register_driver_owner+0x132/0x210 [ 80.097826][ T6025] gadget_dev_desc_UDC_store+0x1b0/0x2e0 [ 80.099439][ T6025] configfs_write_iter+0x302/0x4e0 [ 80.100970][ T6025] vfs_write+0x6af/0x1050 [ 80.102487][ T6025] ? __pfx_configfs_write_iter+0x10/0x10 [ 80.104491][ T6025] ? __pfx_vfs_write+0x10/0x10 [ 80.106239][ T6025] ? __pfx_do_sys_openat2+0x10/0x10 [ 80.107750][ T6025] ksys_write+0x12a/0x250 [ 80.109038][ T6025] ? __pfx_ksys_write+0x10/0x10 [ 80.110603][ T6025] do_syscall_64+0x123/0x790 [ 80.112274][ T6025] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.114417][ T6025] RIP: 0033:0x7f84b9f19bf7 [ 80.116013][ T6025] Code: 48 89 fa 4c 89 df e8 98 1d 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 80.122777][ T6025] RSP: 002b:00007fffbbaac100 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 80.125615][ T6025] RAX: ffffffffffffffda RBX: 0000555593d6d400 RCX: 00007f84b9f19bf7 [ 80.128388][ T6025] RDX: 000000000000000b RSI: 00007fffbbaac270 RDI: 0000000000000003 [ 80.131022][ T6025] RBP: 00007fffbbaac270 R08: 0000000000000000 R09: 0000000000000000 [ 80.133522][ T6025] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffbbaac370 [ 80.135996][ T6025] R13: 00007fffbbaac170 R14: 00007f84b9f521d8 R15: 00007fffbbaac270 [ 80.138361][ T6025] [ 80.139997][ T6025] Kernel Offset: disabled [ 80.141302][ T6025] Rebooting in 86400 seconds..