SELinux: unrecognized netlink message: protocol=6 nlmsg_type=19474 sclass=netlink_xfrm_socket pig=12054 comm=syz-executor.1 IPv6: addrconf: prefix option has invalid lifetime =============================== [ INFO: suspicious RCU usage. ] 4.9.202+ #0 Not tainted ------------------------------- include/linux/radix-tree.h:199 suspicious rcu_dereference_check() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 0 2 locks held by syz-executor.3/12058: #0: (&sb->s_type->i_mutex_key#10){+.+.+.}, at: [<0000000072ff5454>] inode_lock include/linux/fs.h:771 [inline] #0: (&sb->s_type->i_mutex_key#10){+.+.+.}, at: [<0000000072ff5454>] shmem_add_seals+0x166/0x1020 mm/shmem.c:2610 #1: (&(&mapping->tree_lock)->rlock){..-...}, at: [<0000000065c1bf0c>] spin_lock_irq include/linux/spinlock.h:332 [inline] #1: (&(&mapping->tree_lock)->rlock){..-...}, at: [<0000000065c1bf0c>] shmem_tag_pins mm/shmem.c:2465 [inline] #1: (&(&mapping->tree_lock)->rlock){..-...}, at: [<0000000065c1bf0c>] shmem_wait_for_pins mm/shmem.c:2506 [inline] #1: (&(&mapping->tree_lock)->rlock){..-...}, at: [<0000000065c1bf0c>] shmem_add_seals+0x342/0x1020 mm/shmem.c:2622 stack backtrace: CPU: 0 PID: 12058 Comm: syz-executor.3 Not tainted 4.9.202+ #0 ffff8801ce607ca0 ffffffff81b55d2b ffff8801d91eac28 0000000000000000 0000000000000002 00000000000000c7 ffff8801d5e7af80 ffff8801ce607cd0 ffffffff81406867 ffffea0006e73cc0 dffffc0000000000 ffff8801ce607d78 Call Trace: [<00000000f8c67547>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000f8c67547>] dump_stack+0xcb/0x130 lib/dump_stack.c:56 [<000000007d30a66f>] lockdep_rcu_suspicious.cold+0x10a/0x149 kernel/locking/lockdep.c:4458 [<00000000c80b4e01>] radix_tree_deref_slot include/linux/radix-tree.h:199 [inline] [<00000000c80b4e01>] shmem_tag_pins mm/shmem.c:2467 [inline] [<00000000c80b4e01>] shmem_wait_for_pins mm/shmem.c:2506 [inline] [<00000000c80b4e01>] shmem_add_seals+0xa44/0x1020 mm/shmem.c:2622 [<0000000046ca8c03>] shmem_fcntl+0xf7/0x130 mm/shmem.c:2657 [<000000004ecb6303>] do_fcntl fs/fcntl.c:340 [inline] [<000000004ecb6303>] SYSC_fcntl fs/fcntl.c:376 [inline] [<000000004ecb6303>] SyS_fcntl+0x1d5/0xb50 fs/fcntl.c:361 [<0000000056c04dae>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<0000000021b8e287>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb IPv6: addrconf: prefix option has invalid lifetime FAT-fs (loop3): Unrecognized mount option "e)d=M¬0Ì€kíÀoþ~XçÿSຼ sÍ?õÄmÊAêþ—]öø«Õ g£ªüJY