[ 63.338344][ T43] kauditd_printk_skb: 10 callbacks suppressed [ 63.338356][ T43] audit: type=1400 audit(1789035211.515:209): avc: denied { transition } for pid=5970 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 [ 63.340411][ T43] audit: type=1400 audit(1789035211.515:210): avc: denied { noatsecure } for pid=5970 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 63.340442][ T43] audit: type=1400 audit(1789035211.515:211): avc: denied { rlimitinh } for pid=5970 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 63.340483][ T43] audit: type=1400 audit(1789035211.515:212): avc: denied { siginh } for pid=5970 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 66.956602][ T43] audit: type=1400 audit(1789035215.135:213): 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 [ 67.019807][ T43] audit: type=1400 audit(1789035215.195:214): 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 [ 67.135298][ T43] audit: type=1400 audit(1789035215.315:215): 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 [ 67.178739][ T43] audit: type=1400 audit(1789035215.355:216): 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 [ 67.878612][ T43] audit: type=1400 audit(1789035216.055:217): avc: denied { write } for pid=5990 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 [ 67.925443][ T43] audit: type=1400 audit(1789035216.105:218): avc: denied { write } for pid=5993 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 [ 68.477699][ T43] kauditd_printk_skb: 4 callbacks suppressed [ 68.477718][ T43] audit: type=1400 audit(1789035216.655:223): avc: denied { write } for pid=6008 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 [ 68.525915][ T43] audit: type=1400 audit(1789035216.705:224): avc: denied { write } for pid=6011 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]:6292' (ED25519) to the list of known hosts. [+] configfs mounted or already busy. [+] nvmet subsystem found. [+] Created subsys1 successfully. [ 69.162558][ T43] audit: type=1400 audit(1789035217.345:225): avc: denied { mounton } for pid=6021 comm="s ** replaying previous printk message ** [ 69.162558][ T43] audit: type=1400 audit(1789035217.345:225): avc: denied { mounton } for pid=6021 comm="syz-executor302" path="/sys/kernel/config" dev="configfs" ino=3111 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 69.162793][ T43] audit: type=1400 audit(1789035217.345:226): avc: denied { mount } for pid=6021 comm="syz-executor302" name="/" dev="configfs" ino=3111 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=filesystem permissive=1 [ 69.164311][ T43] audit: type=1400 audit(1789035217.345:227): avc: denied { search } for pid=6021 comm="syz-executor302" name="/" dev="configfs" ino=3111 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 69.164747][ T43] audit: type=1400 audit(1789035217.345:228): avc: denied { search } for pid=6021 comm="syz-executor302" name="/" dev="configfs" ino=3111 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 69.165587][ T43] audit: type=1400 audit(1789035217.345:229): avc: denied { search } for pid=6021 comm="syz-executor302" name="nvmet" dev="configfs" ino=5779 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 69.165627][ T43] audit: type=1400 audit(1789035217.345:230): avc: denied { search } for pid=6021 comm="syz-executor302" name="subsystems" dev="configfs" ino=5780 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 69.166964][ T43] audit: type=1400 audit(1789035217.345:231): avc: denied { write search } for pid=6021 comm="syz-executor302" name="subsystems" dev="configfs" ino=5780 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 69.167208][ T43] audit: type=1400 audit(1789035217.345:232): avc: denied { add_name } for pid=6021 comm="syz-executor302" name="subsys1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 69.173134][ T6022] ================================================================== [ 69.173142][ T6022] BUG: KASAN: slab-use-after-free in nvmet_port_subsys_allow_link+0x31e/0x390 [ 69.173164][ T6022] Read of size 8 at addr ffff88802f5724c8 by task syz-executor302/6022 [ 69.173172][ T6022] [ 69.173178][ T6022] CPU: 1 UID: 0 PID: 6022 Comm: syz-executor302 Not tainted syzkaller #0 PREEMPT(full) [ 69.173190][ T6022] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 69.173196][ T6022] Call Trace: [ 69.173200][ T6022] [ 69.173204][ T6022] dump_stack_lvl+0x100/0x190 [ 69.173237][ T6022] print_report+0x13d/0x4b0 [ 69.173253][ T6022] ? __virt_addr_valid+0x239/0x430 [ 69.173264][ T6022] ? nvmet_port_subsys_allow_link+0x31e/0x390 [ 69.173281][ T6022] kasan_report+0xdf/0x1c0 [ 69.173295][ T6022] ? nvmet_port_subsys_allow_link+0x31e/0x390 [ 69.173314][ T6022] nvmet_port_subsys_allow_link+0x31e/0x390 [ 69.173331][ T6022] ? mntput_no_expire+0xe7/0x220 [ 69.173344][ T6022] configfs_symlink+0x695/0x1340 [ 69.173356][ T6022] ? __pfx_configfs_symlink+0x10/0x10 [ 69.173369][ T6022] vfs_symlink+0x178/0x4d0 [ 69.173385][ T6022] filename_symlinkat+0x2a6/0x560 [ 69.173400][ T6022] ? __pfx_filename_symlinkat+0x10/0x10 [ 69.173414][ T6022] ? strncpy_from_user+0x19d/0x2d0 [ 69.173426][ T6022] ? do_getname+0x191/0x390 [ 69.173442][ T6022] __x64_sys_symlinkat+0x9c/0xe0 [ 69.173456][ T6022] do_syscall_64+0x123/0x790 [ 69.173471][ T6022] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.173482][ T6022] RIP: 0033:0x7f8879edc459 [ 69.173490][ T6022] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 69.173501][ T6022] RSP: 002b:00007f8879ea71f8 EFLAGS: 00000246 ORIG_RAX: 000000000000010a [ 69.173511][ T6022] RAX: ffffffffffffffda RBX: 00007f8879f49028 RCX: 00007f8879edc459 [ 69.173518][ T6022] RDX: 00007f8879f49028 RSI: 00000000ffffff9c RDI: 00007f8879f49060 [ 69.173525][ T6022] RBP: 00007f8879f49060 R08: 00007f8879ea76c0 R09: 00007f8879ea76c0 [ 69.173531][ T6022] R10: 00007f8879ea76c0 R11: 0000000000000246 R12: ffffffffffffffd0 [ 69.173538][ T6022] R13: 0000000000000010 R14: 00007ffd06eec740 R15: 00007ffd06eec828 [ 69.173547][ T6022] [ 69.173550][ T6022] [ 69.173553][ T6022] Allocated by task 6023: [ 69.173558][ T6022] kasan_save_stack+0x30/0x50 [ 69.173569][ T6022] kasan_save_track+0x14/0x30 [ 69.173579][ T6022] __kasan_kmalloc+0xaa/0xb0 [ 69.173589][ T6022] __kmalloc_cache_noprof+0x2f8/0x6d0 [ 69.173604][ T6022] nvmet_ports_make+0x107/0xb90 [ 69.173620][ T6022] configfs_mkdir+0x525/0xd40 [ 69.173633][ T6022] vfs_mkdir+0x364/0x850 [ 69.173652][ T6022] filename_mkdirat+0x48b/0x5e0 [ 69.173668][ T6022] __x64_sys_mkdir+0x6b/0x90 [ 69.173687][ T6022] do_syscall_64+0x123/0x790 [ 69.173705][ T6022] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.173723][ T6022] [ 69.173727][ T6022] Freed by task 6023: [ 69.173733][ T6022] kasan_save_stack+0x30/0x50 [ 69.173748][ T6022] kasan_save_track+0x14/0x30 [ 69.173763][ T6022] kasan_save_free_info+0x3b/0x70 [ 69.173786][ T6022] __kasan_slab_free+0x5f/0x80 [ 69.173802][ T6022] kfree+0x22b/0x6d0 [ 69.173815][ T6022] config_item_cleanup+0x146/0x240 [ 69.173826][ T6022] config_item_put+0x93/0xb0 [ 69.173837][ T6022] configfs_rmdir+0x5e3/0x950 [ 69.173845][ T6022] vfs_rmdir+0x328/0x8a0 [ 69.173860][ T6022] filename_rmdir+0x31a/0x5c0 [ 69.173872][ T6022] __x64_sys_rmdir+0x46/0x70 [ 69.173884][ T6022] do_syscall_64+0x123/0x790 [ 69.173901][ T6022] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.173911][ T6022] [ 69.173913][ T6022] The buggy address belongs to the object at ffff88802f572000 [ 69.173913][ T6022] which belongs to the cache kmalloc-4k of size 4096 [ 69.173921][ T6022] The buggy address is located 1224 bytes inside of [ 69.173921][ T6022] freed 4096-byte region [ffff88802f572000, ffff88802f573000) [ 69.173930][ T6022] [ 69.173933][ T6022] The buggy address belongs to the physical page: [ 69.173937][ T6022] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2f570 [ 69.173946][ T6022] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 69.173955][ T6022] flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) [ 69.173964][ T6022] page_type: f5(slab) [ 69.173973][ T6022] raw: 00fff00000000040 ffff88801c043040 dead000000000100 dead000000000122 [ 69.173981][ T6022] raw: 0000000000000000 0000000000040004 00000000f5000000 0000000000000000 [ 69.173990][ T6022] head: 00fff00000000040 ffff88801c043040 dead000000000100 dead000000000122 [ 69.173999][ T6022] head: 0000000000000000 0000000000040004 00000000f5000000 0000000000000000 [ 69.174007][ T6022] head: 00fff00000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff [ 69.174016][ T6022] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 69.174021][ T6022] page dumped because: kasan: bad access detected [ 69.174026][ T6022] page_owner tracks the page as allocated [ 69.174029][ T6022] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5146, tgid 5146 (udevd), ts 19074317977 [ 69.174045][ T6022] post_alloc_hook+0xfd/0x120 [ 69.174059][ T6022] get_page_from_freelist+0x110d/0x35d0 [ 69.174074][ T6022] __alloc_frozen_pages_noprof+0x2eb/0x3300 [ 69.174090][ T6022] new_slab+0xa9/0x6e0 [ 69.174104][ T6022] refill_objects+0xe3/0x410 [ 69.174119][ T6022] __pcs_replace_empty_main+0x35e/0x650 [ 69.174134][ T6022] __kmalloc_noprof+0x67c/0x840 [ 69.174143][ T6022] tomoyo_realpath_from_path+0xb6/0x690 [ 69.174155][ T6022] tomoyo_check_open_permission+0x2af/0x3c0 [ 69.174171][ T6022] tomoyo_file_open+0x6b/0x90 [ 69.174184][ T6022] security_file_open+0xb5/0x1e0 [ 69.174195][ T6022] do_dentry_open+0x588/0x14d0 [ 69.174205][ T6022] vfs_open+0x82/0x3f0 [ 69.174217][ T6022] path_openat+0x19fa/0x2440 [ 69.174228][ T6022] do_file_open+0x20e/0x430 [ 69.174239][ T6022] do_sys_openat2+0x10f/0x1e0 [ 69.174252][ T6022] page last free pid 5145 tgid 5145 ts 17640886832 stack trace: [ 69.174259][ T6022] __free_frozen_pages+0x79f/0x10f0 [ 69.174272][ T6022] qlist_free_all+0x47/0xf0 [ 69.174280][ T6022] kasan_quarantine_reduce+0x1a0/0x1f0 [ 69.174291][ T6022] __kasan_slab_alloc+0x69/0x90 [ 69.174302][ T6022] kmem_cache_alloc_noprof+0x269/0x6a0 [ 69.174312][ T6022] do_getname+0x35/0x390 [ 69.174325][ T6022] do_fchownat+0xc6/0x1f0 [ 69.174336][ T6022] __x64_sys_chown+0x7b/0xc0 [ 69.174348][ T6022] do_syscall_64+0x123/0x790 [ 69.174360][ T6022] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.174370][ T6022] [ 69.174372][ T6022] Memory state around the buggy address: [ 69.174377][ T6022] ffff88802f572380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 69.174384][ T6022] ffff88802f572400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 69.174390][ T6022] >ffff88802f572480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 69.174396][ T6022] ^ [ 69.174401][ T6022] ffff88802f572500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 69.174408][ T6022] ffff88802f572580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 69.174413][ T6022] ================================================================== [ 69.174448][ T6022] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 70.555879][ T6022] Shutting down cpus with NMI [ 70.557960][ T6022] Kernel Offset: disabled [ 70.559319][ T6022] Rebooting in 86400 seconds..